TWI523617B - Plate spring mounting device of cover - Google Patents

Description

Cover plate spring mounting device

The present invention relates to a device for mounting a plate spring to a cover in a slider for a slide fastener.

Patent Document 1 discloses a slider for a slide fastener.

The zipper head comprises a main body, a pull tab, a claw rod, a leaf spring and a cover. The zipper is assembled by attaching the cover to the mounting post of the main body, and the pull tab, the claw rod and the leaf spring are mounted on the main body, thereby assembling the zipper. head.

The zipper head is a zipper for a zipper having an automatic locking function, and the locking claw of the claw rod protrudes from the claw hole of the main body to the guiding groove by the leaf spring, and the leaf spring is elastically deformed by operating the pulling piece, Thereby, the locking claw of the claw rod is pulled out from the guiding groove.

When the zipper for the zipper is assembled, a leaf spring is attached to the cover before the cover is attached to the mounting post of the main body, and the cover to which the leaf spring is attached is pressed against the mounting post of the main body. Thereby the leaf spring is mounted to the body together with the cover.

That is, as shown in FIGS. 1 and 2, the cover 1 has a box shape with one opening and is on the same The inner surface of the wall 1a has a projection 1b.

The leaf spring 2 has a recess 2a at both ends.

Further, the concave portion 2a of the leaf spring 2 is fitted to the projection 1b of the cover 1 to bring the leaf spring 2 into contact with the inner surface of the upper wall 1a of the cover 1, and the projection 1b is pressed by a pressing punch. As shown in FIG. 3, the protrusion 1b is deformed so that the V-shaped groove 1c is enlarged, and the pair of protrusions 1d of the protrusion 1b forming the V-shaped groove 1c are pressed against the leaf spring 2, whereby the leaf spring 2 is pressed The inner surface of the upper wall 1a of the cover 1 is pressed, so that the leaf spring 2 is attached to the cover 1.

The claw rod 3, the pull tab 4, and the main body 5 are illustrated in FIG.

Prior art literature

Patent literature

Patent Document 1: Japanese Patent Laid-Open Publication No. 2004-147729

As disclosed in Patent Document 1, the protrusion 1b of the cover 1 is pressed at a time by expanding the V-shaped groove 1c by the pressing ram, and the pair of protrusions 1d of the protrusion 1b are expanded and deformed, and the protrusion is stretched. 1d is pressed against the leaf spring 2, so that the leaf spring 2 is attached to the cover 1, and therefore, the expansion deformation amount of the protruding piece 1d is limited, and the size between the pair of protruding pieces 1d which have been expanded and deformed, that is, the pressing of the protrusion 1b The width H is small, and the tab 1d is inclined with respect to the upper surface of the leaf spring 2, so that the leaf spring 2 is easily detached.

Therefore, when the cover 1 to which the leaf spring 2 is attached is conveyed to the slider assembly machine, etc., the leaf spring 2 may fall off from the cover 1.

The present invention has been made in view of the above problems, and its object is to make a cover The plate spring mounting device can be attached to the cover by pressing the leaf spring so as not to fall off.

The present invention is a cover plate spring mounting device in which a leaf spring 20 is mounted in a cover 10 in a zipper pull fastener, wherein the cover 10 has a box shape with one side open and both sides in the longitudinal direction of the bottom surface 10b. The projections 16 respectively have a projection 16 including a pair of tabs 17 and tabs 17, and the leaf springs 20 respectively have recesses 21 on both sides in the longitudinal direction, the recesses 21 for the projections 16 of the cover 10. A plurality of pressing rams are provided, and the pair of protruding pieces 17 and the protruding pieces 17 of the respective projections 16 are pressed in stages in a direction away from each other.

The cover plate spring mounting device of the present invention may be such that the pressing ram includes: pressing the ram 30 once, pressing the pair of tabs 17 and the tabs 17 of the protrusions 16 once. The V-shaped shape is processed, and the secondary pressing ram 40 presses the V-shaped pair of protruding pieces 17 and the protruding piece 17 which are once compacted into a flat shape.

In this manner, after the pair of tabs 17 provided on the projections 16 of the cover 10 are once pressed into a V shape by the primary pressing ram 30, the V-shaped pair is pressed by the secondary pressing ram 40. The tab 17 is secondarily pressed into a flat shape, whereby the leaf spring 20 is attached to the cover 10, so that the pressing width of the projection 16 is large, and the tab 17 can be made parallel with the upper surface of the leaf spring 20, so that The leaf spring 20 does not take off The falling method is performed by pressing and attached to the lid 10.

Moreover, the pair of tabs 17 of the projections 16 are not damaged.

The cover leaf spring mounting device of the present invention includes: a first pressing portion 8c having the primary pressing ram 30; and a second pressing portion 8d having the secondary pressing ram 40; The first pressing portion 8c and the second pressing portion 8d move relative to the cover 10, whereby the primary pressing ram 30 of the first pressing portion 8c and the projection 16 of the cover 10 can be opposed to each other. The secondary pressing ram 40 of the second pressing portion 8d faces the projection 16 of the cover 10.

In the cover leaf spring mounting device of the present invention, the cover 10 is supported by the cover support portion of the turntable 7 that intermittently drives the opening 10 upward, and the turntable 7 is intermittently driven by the turntable 7 The cover 10 is intermittently moved, and the first pressing portion 8c can be positioned on the upstream side in the rotation direction of the turntable 7 and the second pressing portion 8d on the downstream side in the rotation direction of the turntable 7 above the turntable 7 In the embodiment, the first pressing portion 8c having the primary pressing ram 30 and the second pressing portion 8d having the secondary pressing ram 40 are provided.

The cover plate spring mounting device of the present invention may be such that the first pressing portion 8c includes a longitudinal direction positioning member 50 for positioning the primary pressing ram 30 in the longitudinal direction of the cover 10, The pressing portion 8d includes a longitudinal direction positioning member 50 that positions the secondary pressing ram 40 in the longitudinal direction of the cover 10.

In this way, the primary pressing ram 30 and the secondary pressing ram 40 can be placed on the cover 10 Since the longitudinal direction is positioned, the protrusion 16 of the cover 10 can be subjected to primary pressing and secondary pressing in a state where there is no error in the longitudinal direction.

The cover leaf spring mounting device of the present invention may be as follows The longitudinal direction positioning member 50 has a pair of positioning projections 53 in the width direction, and the positioning projections 53 are fitted to the pair of opening portions 14 of the side wall 11 in the longitudinal direction of the cover 10 in the width direction.

In this manner, the opening portion 14 of the cover 10 is positioned in the longitudinal direction. Therefore, the primary compression ram 30 and the secondary compression ram 40 can be positioned with high precision in the longitudinal direction of the cover 10.

The cover leaf spring mounting device of the present invention may be as follows The first pressing portion 8c includes a width direction positioning member 60 that positions the primary pressing ram 30 in the width direction of the cover 10.

The second pressing portion 8d includes a width direction positioning member 60 that positions the secondary pressing ram 40 in the width direction of the cover 10.

In this way, the primary pressing ram 30 and the secondary pressing ram 40 can be placed on the cover 10 Since the positioning is performed in the width direction, the projections 16 of the cover 10 can be subjected to primary pressing and secondary pressing in a state where there is no error in the width direction.

The cover leaf spring mounting device of the present invention may be as follows The width direction positioning member 60 has positioning ribs 63 that are fitted between the pair of inner side faces 11a of the longitudinal direction side walls 11 in the width direction of the cover 10.

Thus, the inner side of the cover 10 is positioned in the width direction as a reference, because Thereby, the primary pressing ram 30 and the secondary pressing ram 40 can be positioned with high precision in the width direction of the cover 10.

The cover leaf spring mounting device of the present invention may be as follows The first pressing portion 8c includes the longitudinal direction positioning member 50 and the width direction positioning member 60,

The second pressing portion 8d includes a longitudinal direction positioning member 50 and a width direction positioning member 60.

In this way, the primary pressing ram 30 and the secondary pressing ram 40 can be placed on the cover 10 Since the longitudinal direction and the width direction are positioned, the protrusion 16 of the cover 10 can be subjected to primary pressing and secondary pressing in a state where there is no error in the longitudinal direction and the width direction.

In the cover plate spring mounting device of the present invention, the length direction positioning structure The member 50 has a pair of positioning projections 53 in the width direction, and the positioning projections 53 are fitted to the opening portions 14 of the pair of longitudinally facing side walls 11 in the width direction of the cover 10,

The width direction positioning member 60 has a positioning protrusion 63 that is fitted between the pair of the inner side surfaces 11a of the pair of longitudinal direction side walls 11 in the width direction of the cover 10,

The longitudinal direction positioning member 50 and the width direction positioning member 60 are movable in the up and down direction with respect to the primary compression indenter 30 and the secondary compression indenter 40, and the longitudinal direction positioning member 50 and the width direction are positioned. The member 60 is biased downward by the spring member, so that the positioning protrusion 53 and the positioning protrusion 63 can be separately protected. The pressing portion 30a and the pressing portion 40a of the secondary pressing ram 30 and the secondary pressing ram 40 are held downward at a lower position.

In this way, the primary pressing ram 30 and the secondary pressing ram 40 can be placed on the cover 10 Positioning in the longitudinal direction and the width direction, and positioning in the longitudinal direction by the longitudinal direction positioning member 50, and one pressing operation using the primary compression ram 30 in the state in which the width direction positioning member 60 is positioned in the width direction Further, the secondary pressing ram 40 is used for the secondary pressing process. Therefore, the protrusion 16 of the cover 10 can be subjected to a primary pressing process and a secondary pressing process with high precision, and the leaf spring 20 can be correctly mounted. Cover 10.

The cover leaf spring mounting device of the present invention may be as follows The cover 10 has a pair of leaf spring support portions 15 on both side portions in the longitudinal direction of the bottom surface 10b, and the leaf spring support portions 15 are placed on both sides in the longitudinal direction of the leaf spring 20, and in the respective leaf spring support portions 15 The upper surface 15a includes protrusions 16, respectively.

The primary pressing ram 30 has a pair of pressing portions 30a, and a pair of tabs 17 of the projections 16 are subjected to a pressing process at a time.

The secondary pressing ram 40 has a pair of pressing portions 40a, and simultaneously performs a second pressing process on the pair of protrusions 17 of each of the protrusions 16 after the primary pressing process.

The pair of tabs 17 of the respective protrusions 16 are secondarily pressed into a flat shape by the pressing portion 40a of the secondary pressing ram 40, whereby the pair of tabs 17 and the leaf spring supporting portion are pressed The upper surface 15a of the 15 is parallel, and a pair of tabs 17 are spaced apart from the upper surface of the leaf spring 20, and the leaf spring 20 is placed on the upper surface 15a of the leaf spring support portion 15.

In this way, the leaf spring 20 can be attached to the cover 10 so as to move in the longitudinal direction. Therefore, the leaf spring 20 has a function as a leaf spring.

According to the present invention, the pair of tabs 17 of the projections 16 are pressed in a direction away from each other by a plurality of pressing rams, whereby the leaf spring 20 is attached to the cover 10, so that one pressure can be reduced. The pressing head expands the pair of tabs 17 by the amount of deformation so that the pair of tabs 17 are not damaged, and at the same time, the pressing width of the projections 16 can be increased, and the tabs 17 and the upper surface of the leaf spring 20 can be made. In parallel, the leaf spring 20 can be attached to the cover 10 by being pressed without being detached.

1‧‧‧ Cover

1a‧‧‧上壁

1b‧‧‧ Protrusion

1c‧‧‧V slot

1d‧‧‧1

2‧‧‧ leaf spring

2a‧‧‧ recess

3‧‧‧ claws

4‧‧‧ Pulling

5‧‧‧ Subject

6‧‧‧Frame

6a‧‧‧ movable body

7‧‧‧ turntable

7a‧‧‧ containment recess (cover support)

7b‧‧‧ outer perimeter

7c‧‧‧Depression

8‧‧‧Indenter Mounting Body

8a‧‧‧ Cover Supply Department

8b‧‧‧Sheet Spring Supply Department

8c‧‧‧1st compression

8d‧‧‧2nd compression

10‧‧‧ Cover

10a‧‧‧ inner circumference

10b‧‧‧ bottom wall (bottom)

11‧‧‧ side wall

11a‧‧‧ inside

11b‧‧‧One side of the height direction (lower surface)

12‧‧‧ End wall

12a‧‧‧ inside

13‧‧‧Upper wall

13a‧‧‧ inside

14‧‧‧ openings

14a‧‧‧ bottom

14b‧‧‧ end face

15‧‧‧Sheet spring support

15a‧‧‧Upper surface

16‧‧‧ Protrusion

16a‧‧‧ Groove

17‧‧‧1

20‧‧ ‧ leaf spring

20a‧‧‧face, upper surface

21‧‧‧ recess

30‧‧‧One compression head

30a‧‧‧Compression Processing Department

31‧‧‧Arc face

32‧‧‧flat surface

33‧‧‧ Groove

34‧‧‧Installing the body

35‧‧‧ hanging piece

36‧‧‧Guiding film

40‧‧‧Secondary pressing head

40a‧‧‧Compression Processing Department

41‧‧‧flat surface

42‧‧‧Arc face

43‧‧‧flat surface

50‧‧‧ Length direction positioning member

51‧‧‧ Positioning members

52‧‧‧ body

52a‧‧‧lower surface

53‧‧‧ positioning protrusion

60‧‧‧Width direction positioning member

61‧‧‧Ontology

62‧‧‧ Horizontal film

63‧‧‧Positioning ridges

64‧‧‧ hole

65‧‧‧ long holes

H‧‧‧ compression width

H1‧‧‧Width

H2‧‧‧ opening width

H3‧‧‧ size

T‧‧‧ thickness

Fig. 1 is a perspective view showing an exploded state of a slide fastener for a slide fastener.

Figure 2 is a longitudinal sectional view of the cover.

Fig. 3 is a longitudinal sectional view showing a state in which a leaf spring is attached to a cover.

4 is a schematic plan view of an apparatus for attaching a leaf spring to a cover.

Figure 5 is a perspective view of the cover and the leaf spring.

Figure 6 is a plan view of the cover.

Fig. 7 is a plan view of a cover in a state in which a leaf spring is placed.

Fig. 8 is a cross-sectional view taken along line A-A of Fig. 7;

Fig. 9 is a cross-sectional view taken along line B-B of Fig. 7;

10(a) and 10(b) are explanatory views of the primary pressing operation.

11(a) and 11(b) are explanatory views of the secondary pressing operation.

Fig. 12 is a side view of the first pressing portion.

Fig. 13 is a perspective view showing a state in which the primary pressing ram, the longitudinal direction positioning member, and the width direction positioning member are disassembled.

Fig. 14 is a perspective view showing a combined state of a primary pressing ram, a longitudinal direction positioning member, and a width direction positioning member.

Figure 15 is a bottom plan view of Figure 14 .

16(a) and 16(b) are explanatory views of the positioning operation in the longitudinal direction.

17(a) and 17(b) are explanatory views of the positioning operation in the width direction.

Fig. 18 is an explanatory view showing a state in which one pressing process is performed by one primary pressing ram.

Fig. 19 is a perspective view showing a combined state of a secondary pressing ram, a longitudinal direction positioning member, and a width direction locating member.

Fig. 4 is a plan view schematically showing a leaf spring mounting device for a cover according to the present invention, in which a turntable 7 as a rotating disk is rotatably provided in a frame 6.

The turntable 7 is intermittently rotationally driven at a predetermined angle by a motor (not shown).

In the vicinity of the outer periphery of the turntable 7, a plurality of cover supporting portions are provided at equal intervals in the rotational direction, and the cover supporting portions are, for example, receiving recesses 7a, and the cover supporting the slider is prevented from moving.

A cover supply portion 8a, a leaf spring supply portion 8b, a first pressing portion 8c, a second pressing portion 8d, and the like are provided around the turntable.

Covers and panels mounted using the apparatus of the present invention based on Figures 5-9 The spring is explained. In addition, the direction toward the moving direction of the slider in a state where the main body is attached and the slider is attached is the longitudinal direction, and the direction in the direction orthogonal to the moving direction of the slider is the width direction, and the zipper is oriented. The direction in the vertical direction of the head will be described as a height direction.

The cover 10 of the present invention is a box type in which one side (lower surface) in the height direction is opened, and includes a pair of side walls 11 and a side wall 11 in the width direction in the longitudinal direction, and a pair of end walls 12 in the longitudinal direction in the width direction. End wall 12; and upper wall 13.

The inner peripheral surface 10a of the cover 10 has a rectangular shape in plan view, and includes an inner side surface 11a and an inner side surface 11a facing each other in the width direction of the pair of side walls 11 facing in the longitudinal direction facing each other in the width direction, and facing in the longitudinal direction. The inner side surface 12a and the inner side surface 12a of the pair of end walls 12 in the width direction are oriented.

An opening portion 14 through which the pivot of the pull tab is inserted is formed in an intermediate portion of the pair of side walls 11 in the longitudinal direction.

The opening portion 14 has a U shape and is open on one surface (lower surface) 11b of the pair of side walls 11 in the height direction, and includes a bottom surface 14a facing the longitudinal direction, and a pair of end surfaces 14b and 14b in the longitudinal direction, from the bottom surface 14a. Both ends in the longitudinal direction are continuous to one side (lower surface) 11b of the side wall 11 and are oriented in the height direction.

The length of the bottom surface 10b of the cover 10, that is, the inner side surface 13a of the upper wall 13 A pair of leaf spring support portions 15 are provided to both side portions. A projection 16 is provided in the middle of the width direction of the pair of leaf spring supporting portions 15.

The protrusion 16 has a groove 16a and has a width in the width of the groove 16a A pair of tabs 17 and tabs 17 spaced apart in the direction. The pair of tabs 17 have an upright shape and are at right angles to the upper surface 15a of the leaf spring support portion 15.

The leaf spring 20 has a rectangular plate shape and is fitted into the inner circumferential surface 10a of the cover 10, Both ends in the longitudinal direction are placed on the leaf spring support portion 15 of the cover 10.

As shown in FIGS. 7 and 8, the end faces 20a in the longitudinal direction of the leaf spring 20 have recesses 21 into which the projections 16 are fitted.

As shown in FIG. 9, the width H1 of the protrusion 16 in the width direction is smaller than the width H2 of the width direction of the recess 21, and the recess 21 is embedded in the protrusion 16 by moving the leaf spring 20 downward from above the protrusion 16. Thereby, the leaf spring 20 can be brought into contact with the leaf spring support portion 15.

The dimension H3 between the bottom surface of the recess 16a of the projection 16 and the upper surface 15a of the leaf spring support portion 15 is larger than the thickness T of the leaf spring 20.

Next, an operation of attaching the leaf spring 20 to the cover 10 will be described.

The cover 10 is supplied to the housing recess 7a of the turntable 7 by the cover supply portion 8a, and the cover 10 is placed in the housing recess 7a so that the upper wall 13 faces downward and the opening faces upward, so that the cover 10 is supported so as not to be movable.

By the intermittent rotation of the turntable 7, the cover 10 supported by the housing recess 7a is moved to a position facing the leaf spring supply portion 8b, and in this state, the cover spring 10 is supplied to the cover 10 by the leaf spring supply portion 8b, as shown in the figure. 7. As shown in FIG. 8, both end portions of the leaf spring 20 in the longitudinal direction are placed on the leaf spring support portion 15 of the cover 10, and the concave portion 21 of the leaf spring 20 is fitted to the projection 16.

There is a gap between the leaf spring 20 and the bottom surface 10b of the cover 10, so that the leaf spring 20 can be The upper wall 13 of the cover 10 is bent and deformed.

The leaf spring supply portion 8b includes: a wire transfer portion that continuously conveys a long wire; an opening portion that opens a hole for the conveyed wire; and a cut portion that opens the opened wire The hole portion is cut to form a leaf spring having grooves at both ends.

By the intermittent rotation of the turntable 7, the cover 10 which supports the leaf spring 20 is moved to the position which opposes the 1st crimping part 8c.

In this state, as shown in FIGS. 10(a) and 10(b), the projections 16 are pressed once by the primary pressing ram 30, and the pair of projections 17 are expanded to form a V shape.

In other words, as shown in Fig. 10 (a), the pressing portion 30a which is the tip end portion of the primary pressing ram 30 has a substantially V shape, and includes an arc surface 31 and an arc surface 31 on both sides in the width direction. And the flat surface 32 of the center portion in the width direction in which the lower end portion of the circular arc surface 31 is continuous, and the flat surface 32 is brought into the groove 16a of the projection 16 before the primary pressing process.

Further, the primary pressing ram 30 is pressed down so that the flat surface 32 of the pressed portion 30a is in contact with the opening of the recess 16a of the cover 10 provided in the projection 16 of the leaf spring supporting portion 15, by The primary pressing ram 30 is sequentially pressed into the groove 16a, and as shown in FIG. 10(b), the pair of protruding pieces 17 and the protruding piece 17 which are in the upright shape are expanded and deformed in the width direction of the cover 10, thereby The pressing is performed into a substantially V shape along a pair of circular arc faces 31 of the primary pressing ram 30.

In this way, the pair of tabs 17 are formed into a substantially V-shaped primary pressing. Under the work, the leaf spring 20 placed on the upper surface 15a of the leaf spring support portion 15 of the cover 10 is separated from the tab 17.

When the primary pressing process of the projections 16 is completed as described above, the turntable 7 is intermittently rotated, and the cover 10 having the leaf spring 20 is moved to a position facing the second pressing portion 8d.

In this state, as shown in FIGS. 11(a) and 11(b), a pair of tabs 17 and tabs of a V shape in which the projections 16 are pressed once by the secondary pressing urging head 40 are used. The secondary press is processed into a flat shape parallel to the upper surface 15a of the leaf spring support portion 15. In addition, the parallel includes substantially parallel and regular parallel.

In other words, as shown in Fig. 11 (a), the pressing portion 40a as the tip end portion of the secondary pressing ram 40 has a substantially flat surface shape having a projection at the center portion in the width direction, and includes both sides in the width direction. The flat surface 41, the flat surface 41, the circular arc surface 42 on both sides in the width direction continuous with the flat surface 41, and the flat surface 43 in the center portion in the width direction in which the circular arc surface 42 is continuous.

Further, the secondary pressing ram 40 is pressed down, and the flat surface 43 of the central portion in the width direction of the pressed portion 40a is brought into contact with the opening portion of the recess 16a of the projection 16 after the primary pressing process. The secondary pressing ram 40 is sequentially pressed into the groove 16a, and as shown in FIG. 11(b), the V-shaped pair of tabs 17 are secondarily pressed into the plate spring supporting portion 15. The upper surface 15a has a parallel flat shape.

In this manner, the primary pressing ram 30 and the secondary pressing ram 40 having different shapes of the pressing portions are used to press the pair of projections 17 of the projections 16 in two stages, so that the expansion can be performed. The size between the deformed pair of tabs 17, that is, the compression The width H becomes larger. Further, since the protruding piece 17 can be made parallel to the upper surface 20a of the leaf spring 20, the leaf spring 20 can be firmly attached to the cover 10 without falling off.

Further, after the pair of tabs 17 are pressed into a V shape at a time, the V-shaped pair of tabs 17 are secondarily pressed into a flat shape parallel to the upper surface 15a of the leaf spring supporting portion 15. Therefore, when the tab 17 is pressed, the local deformation can be alleviated, and a large amount of deformation is ensured, and the tab 17 is not damaged.

In the state in which the leaf spring 20 is attached to the cover 10, there is a gap between both end portions in the longitudinal direction of the leaf spring 20, the upper surface 15a of the leaf spring support portion 15 of the cover 10, and the tab 17 which is pressed into a flat shape. Thus, the leaf spring 20 is movable in the longitudinal direction with respect to the cover 10, and has a function as a leaf spring.

When the leaf spring 20 is attached to the cover 10 as described above, the turntable 7 is intermittently rotated, and the cover 10 to which the leaf spring 20 is attached is moved to a discharge position (not shown), and the leaf spring 20 is mounted. The cover 10 is discharged from the housing recess 7a of the turntable 7.

Next, the first pressing portion 8c will be described.

As shown in Fig. 12, the movable body 6a is movably provided in the vertical direction of the frame 6 above the turntable 7.

The first pressing portion 8c is attached to the indenter mounting body 8 with a primary pressing ram 30.

The indenter mounting body 8 is attached to the movable body 6a, and the primary pressing indenter 30 is positioned above the housing recess 7a of the turntable 7.

Further, by moving the ram attachment body 8 together with the movable body 6a downward, the projection 16 of the cover 10 supported by the accommodating recess 7a is advanced by the primary nip 30. The plate spring 20 is temporarily attached to the cover 10 by one pressing process.

The housing recessed portion 7a of the turntable 7 has a shape in which the cover 10 on which the leaf spring 20 is placed is housed such that its longitudinal direction is directed in a radial direction that is a direction in which the center of rotation of the turntable 7 is coupled to the outer peripheral surface 7b.

The primary pressing ram 30 has a pair of pressing portions 30a that are positioned above the pair of protrusions 16 of the cover 10 housed in the housing recess 7a of the turntable 7.

Therefore, by moving the primary pressing ram 30 downward, the pair of projections 16 of the cover 10 can be simultaneously pressed.

The longitudinal direction positioning member 50 is attached to the indenter attachment body 8 of the first crimping portion 8c, and the primary compression indenter 30 is positioned in the longitudinal direction of the cover 10.

The longitudinal direction positioning member 50 is movably provided in the indenter mounting body 8 in the vertical direction.

The longitudinal direction positioning member 50 is moved downward by the potential member by a spring member (not shown), and is held at a lower position that protrudes downward from the pressed portion 30a of the primary compression ram 30.

Therefore, when the ram attachment body 8 is moved downward, the longitudinal direction positioning member 50 is in contact with the lid 10, and the position of the ram attachment body 8 in the longitudinal direction of the lid 10 is set to a predetermined position, and the primary pressure is applied. The pressing head 30 is positioned in the longitudinal direction of the cover 10 such that the longitudinal direction of the pair of pressing portions 30a is above the pair of protrusions 16 of the cover 10.

In this state, the indenter mounting body 8 is further moved downward, whereby The pair of projections 16 of the cover 10, that is, the pair of projections 17 are pressed into a V shape at a time by the pair of pressing portions 30a of the primary pressing ram 30.

At this time, the longitudinal direction positioning member 50 contracts the spring member to move upward of the indenter mounting body 8.

The width direction positioning member 60 is attached to the indenter mounting body 8 of the first pressing portion 8c, and the primary pressing indenter 30 is positioned in the width direction of the cover 10.

The width direction positioning member 60 is movably provided in the indenter mounting body 8 in the vertical direction.

The width direction positioning member 60 is moved downward by the potential member by a spring member (not shown), and is held at a lower position that protrudes downward from the pressed portion 30a of the primary pressing ram 30.

Therefore, by moving the ram attachment body 8 downward, the width direction positioning member 60 is in contact with the lid 10, and the position of the ram attachment body 8 in the width direction of the lid 10 is set to a predetermined position, and the primary pressure is applied. The pressing head 30 is positioned in the width direction of the cover 10 such that the position in the width direction of the pair of pressing portions 30a is above the pair of protrusions 16 of the cover 10.

In this state, the indenter mounting body 8 is further moved downward, whereby the pair of projections 16 of the cover 10, that is, the pair of projections 17 are once used by the pair of pressing portions 30a that press the indenter 30 once. Pressed into a V shape.

At this time, the width direction positioning member 60 contracts the spring member to move upward of the indenter mounting body 8.

By setting the length direction positioning member 50 and the width direction as described above When the pressing member 30a of the primary pressing ram 30 is positioned in the longitudinal direction and the width direction of the cover 10, the positional member 60 can more accurately press the projection 16 of the cover 10 by the primary pressing ram 30. Tight processing.

Even if neither the longitudinal direction positioning member 50 nor the width direction positioning member 60 is provided, only one of them can be provided, and the protrusion 16 of the cover 10 can be accurately pressed by the primary processing indenter 30.

The details of the primary pressing ram 30, the longitudinal direction positioning member 50, and the width direction positioning member 60 will be described with reference to Figs. 13 to 15 .

The primary pressing ram 30 includes: an elongated mounting body 34 having grooves 33 on both sides in the width direction and having an H-shaped cross section; a pair of hanging pieces 35 and a hanging piece 35 in the longitudinal direction are integrally provided at A lower portion of the mounting body 34 and a pair of pressing portions 30a in the longitudinal direction are provided at a lower portion of the pair of hanging pieces 35.

The mounting body 34 is attached to the ram mounting body 8 such that the pair of hanging pieces 35 protrude downward from the mounting body 34, so that the pair of hanging pieces 35 enter the inside of the cover 10.

The longitudinal direction positioning member 50 has a pair of positioning members 51 and a positioning member 51 in the width direction, and the positioning member 51 includes a vertically long body 52 that is slidably fitted in the vertical direction to the primary pressing ram 30. The recess 33 of the body 34 is mounted; and the positioning protrusion 53 is provided on the lower surface of the body 52.

Further, the main body 52 of the pair of positioning members 51 are fitted to the recesses 33 of the mounting body 34, respectively, and the pair of positioning members 51 are slidably attached to the mounting body 34 in the up and down direction, and the positioning projections 53 are located. The pair of pressing portions 30a of the primary pressing ram 30 are intermediate in the longitudinal direction and are located in the pair of pressing portions 30a. The sides of the width are on both sides.

The width direction positioning member 60 includes: a longitudinally elongated plate-shaped body 61; a lateral piece 62 disposed at a lower portion of the body 61; and a positioning protrusion 63 provided on a lower surface of the lateral piece 62; The sheet 62 has a hole 64 through which the drooping piece 35 of the primary pressing ram 30 is inserted.

The body 61 is formed with a long hole 65 for slidably fitting the guide piece 36 in the up-and-down direction, and the guide piece 36 is provided in the longitudinal direction of the mounting body 34 of the primary pressing ram 30. One side.

Further, one of the lowering pieces 35 of the primary pressing ram 30 is inserted into the hole 64 of the lateral piece 62, and the positioning protrusion 63 is fitted between the pair of hanging pieces 35, and the long hole 65 is fitted to the guide. By the sheet 36, the width direction positioning member 60 is movably attached to the primary pressing ram 30 in the vertical direction.

The positioning protrusion 63 of the width direction positioning member 60 is located between the pair of pressing portions 30a in the longitudinal direction of the primary pressing ram 30, and the pair of positioning projections 53 of the longitudinal direction positioning member 50 are located in the longitudinal direction. Both sides of the processed portion 30a in the width direction. The positioning protrusion 63 of the width direction positioning member 60 is located lower than the pressing portion 30a of the primary pressing ram 30, and the pair of positioning protrusions 53 of the longitudinal direction positioning member 50 are located below the positioning protrusion 63. Position such that the positioning protrusion 53 is at the lowest position.

In the first pressing portion 8c, the main body 52 of the pair of positioning members 51 of the longitudinal direction positioning member 50 and the main body 61 of the width direction positioning member 60 are vertically movably attached to the attachment main body 34 of the primary compression head 30. Therefore, the length direction The positioning member 50 and the width direction positioning member 60 move up and down with reference to the primary pressing ram 30. Therefore, the positioning member 50 and the positioning member 60 can be used to press the primary pressing ram 30 with respect to the cover 10 in the longitudinal direction and the width. Positioning with high precision in the direction.

The attachment main body 34 of the primary compression ram 30 is fixedly attached to the ram attachment body 8, and the longitudinal direction locating member 50 and the width direction locating member 60 are biased and moved downward by a spring member (not shown). The first pressing portion 8c is assembled while being held at the lower position.

The positioning operation of the longitudinal direction positioning member 50 will be described.

As shown in FIGS. 16(a) and 16(b), the longitudinal direction of the pair of positioning projections 53 of the longitudinal direction positioning member 50 and the longitudinal direction of the opening portion 14 of the cover 10 formed in the pair of side walls 11 are The positioning projections 53 are fitted to the opening portions 14 of the pair of side walls 11, respectively, and the primary pressing rams 30 are positioned in the longitudinal direction of the cover 10.

As described above, by using the longitudinal direction positioning member 50, the primary compression ram 30 is positioned in the longitudinal direction of the cover 10 with reference to the opening 14 of the cover 10, so that the primary compression ram 30 can be accurately pressed at a length. Position in the direction.

The amount of the pair of positioning projections 53 projecting toward the inner surface side from the side wall 11 of the cover 10 is restricted so that the positioning projection 53 does not interfere with the leaf spring 20. The lower surface 52a of the main body 52 is in contact with the end surface of the side wall 11 of the cover 10, thereby restricting the depth (the dimension in the vertical direction) of the positioning projection 53 to the opening portion 14.

Further, a recessed portion 7c is formed in the turntable 7, and the recessed portion 7c is continuous with the housing recessed portion 7a of the turntable 7 and is fitted to the positioning projection 53.

The positioning operation of the width direction positioning member 60 will be described.

The positioning protrusion 63 of the width direction positioning member 60 has a length in the longitudinal direction of the positioning protrusion 63 longer than the length of the opening portion 14 of the cover 10, as shown in Figs. 17(a) and 17(b). The length of the positioning protrusion 63 in the width direction is the same as the size between the inner side surface 11a of the pair of side walls 11 of the cover 10, and the positioning protrusion 63 is fitted to the inner side of the pair of side walls 11 of the cover 10. Between 11a, the primary pressing ram 30 is positioned in the width direction of the cover 10.

In this manner, by using the width direction positioning member 60, the primary pressing ram 30 is positioned in the width direction of the cover 10 with reference to the inner side surface of the cover 10, so that the primary pressing ram 30 can be accurately pressed in the width direction. Positioning on.

As shown in Fig. 18, a pair of pressing portions 30a for pressing the ram 30 at a time, The interval in the longitudinal direction of the press-molded portion 30a is the same as the interval between the pair of projections 16 and the projections 16 of the cover 10 in the longitudinal direction, and the tabs 17 of the pair of projections 16 are simultaneously pressed at a time by the pair of pressing portions 30a. machining.

As shown in FIG. 19, the second crimping portion 8d is similar to the first crimping portion 8c. The longitudinal direction positioning member 50 and the width direction positioning member 60 are included. The positioning member 50 and the positioning member 60 are the same as the positioning member 50 and the positioning member 60 of the first pressing portion 8c, and the pressing of the secondary pressing head 40 is performed. The shape of the processed portion 40a is different from the shape of the pressed portion 30a of the primary compression ram 30.

Therefore, the longitudinal direction positioning member 50 and the width direction positioning structure can be utilized. In the member 60, the secondary pressing ram 40 of the second pressing portion 8d is positioned with high precision in the longitudinal direction and the width direction of the cover 10.

The longitudinal direction positioning member 50 and the width direction positioning member 60 may also be respectively The ram attachment body 8 is movably attached to the ram attachment body 8 in the up-and-down direction, and the potential energy is respectively applied by the spring member, and is moved downward to be held at the lower position.

Further, in a state where the turntable 7 is not rotated and the cover 10 is not moved, The first pressing portion 8c and the second pressing portion 8d are moved relative to the lid 10.

For example, the first pressing portion 8c and the second pressing portion 8d are attached to the movable body 6a provided in the frame 6, and the movable body 6a is horizontally movable with respect to the turntable 7, and the first pressing portion 8c is set to be After the primary pressing process is performed at a position facing the cover 10 of the housing recess 7a of the turntable 7, the second pressing portion 8d is placed at a position facing the cover 10 to perform secondary pressing.

Alternatively, a primary pressing ram 30 is provided on the ram mounting body 8 upward and a secondary pressing ram 40 is provided downward, and the primary pressing head is rotated by 180°. 30 faces the cover 10 or causes the secondary compression ram 40 to face the cover 10.

In other words, the first pressing portion 8c and the second pressing portion 8d may be relatively moved with the lid 10.

In the embodiment, a pair of tabs are used to compress the indenter 30 once. 17: a pressing process is performed once, and then the pair of protruding pieces 17 are subjected to secondary pressing by the secondary pressing ram 40, and the leaf spring 20 is attached to the cover 10, but three or more pressing members may be used. The indenter presses the pair of tabs 17 in a direction away from each other, and the leaf spring 20 is attached to the cap 10.

That is, the present invention is a cover leaf spring mounting device that separates a pair of protruding pieces 17 from a pair of protruding pieces 17 by using a plurality of pressing embossing heads having different shapes of the pressing processed portions. The opening direction is performed in a stepwise manner, and the amount of expansion deformation by one pressing ram is reduced, whereby the plate spring 20 is attached to the lid 10 by pressing.

10‧‧‧ Cover

11‧‧‧ side wall

16‧‧‧ Protrusion

16a‧‧‧ Groove

17‧‧‧1

20‧‧ ‧ leaf spring

40‧‧‧Secondary pressing head

40a‧‧‧Compression Processing Department

41‧‧‧flat surface

42‧‧‧Arc face

43‧‧‧flat surface

Claims (11)

A cover plate spring mounting device is provided with a leaf spring (20) in a cover (10) in a zipper for a zipper, characterized in that the cover (10) has a box shape with one opening and a bottom surface (10b) Each of the lengthwise sides has a protrusion (16), and the protrusion (16) includes a pair of tabs (17), and the leaf springs (20) respectively have recesses (21) on both sides in the longitudinal direction, a recess (21) is fitted to each of the protrusions (16) of the cover (10), and a plurality of pressing rams are provided, and a pair of tabs (17) of the protrusions (16) are separated from each other. The direction is compacted in stages. The cover plate spring mounting device of claim 1, wherein the pressing ram comprises: a primary pressing ram (30), and a pair of protrusions (17) of the protrusions (16). And compressing the embossing head (40) once, and pressing the embossing head (14) to be pressed into a flat shape. The cover plate spring mounting device according to claim 2, comprising: a first pressing portion (8c) having the primary pressing ram (30); and a second pressing portion (8d), The secondary pressing ram (40) is provided; and the first pressing portion (8c) and the second pressing portion (8d) can be relatively moved with the cover (10), thereby making After the primary pressing ram (30) of the first pressing portion (8c) faces the projection (16) of the lid (10), the second pressing portion (8d) is twice The pressing ram (40) faces the protrusion (16) of the cover (10). The cover plate spring mounting device according to claim 3, wherein the cover (10) is supported by the cover support portion of the turntable (7) for intermittently rotating, with the opening facing upward, by The turntable (7) is intermittently driven to intermittently move the cover (10). Above the turntable (7), the first pressing portion (8c) is on the upstream side in the rotation direction of the turntable (7). The second pressing portion (8d) is provided with the first pressing portion (8c) having the primary pressing ram (30) on the downstream side in the rotation direction of the turntable (7), and has the above-described The second pressing portion (8d) of the indenter (40) is secondarily pressed. The cover plate spring mounting device according to claim 3, wherein the first pressing portion (8c) includes a longitudinal direction positioning member (50), and the primary pressing head (30) is used. Positioned in the longitudinal direction of the cover (10), the second pressing portion (8d) includes a longitudinal direction positioning member (50) for positioning the secondary pressing ram (40) in the longitudinal direction of the cover (10) . The cover plate spring mounting device according to claim 5, wherein the longitudinal direction positioning member (50) has a pair of positioning protrusions (53) in the width direction, and the positioning protrusions (53) are fitted A pair of opening portions (14) of the side wall (11) in the longitudinal direction of the cover (10) in the width direction. The cover plate spring mounting device according to claim 3, wherein the first pressing portion (8c) includes a width direction positioning member (60), and the primary pressing head (30) is used. Positioned in the width direction of the cover (10), The second pressing portion (8d) includes a width direction positioning member (60) that positions the secondary pressing ram (40) in the width direction of the cover (10). The cover plate spring mounting device of claim 7, wherein the width direction positioning member (60) has a positioning protrusion (63), and the positioning protrusion (63) is fitted to the cover ( A pair of 10) in the width direction faces between the inner side faces (11a) of the side walls (11) in the longitudinal direction. The cover plate spring mounting device according to claim 3, wherein the first pressing portion (8c) includes the longitudinal direction positioning member (50) and the width direction positioning member (60) The second pressing portion (8d) includes a longitudinal direction positioning member (50) and a width direction positioning member (60). The cover plate spring mounting device according to claim 9, wherein the longitudinal direction positioning member (50) has a pair of positioning protrusions (53) in the width direction, and the positioning protrusions (53) are fitted a pair of opening portions (14) facing the longitudinal direction side wall (11) in the width direction of the cover (10), the width direction positioning member (60) having positioning protrusions (63), the positioning protrusions (63) being fitted between the pair of inner side faces (11a) of the pair of longitudinal direction side walls (11) in the width direction of the cover (10), the longitudinal direction positioning member (50) and the width direction positioning member ( 60) moving in the up and down direction with reference to the primary pressing ram (30) and the secondary pressing ram (40), respectively, and the longitudinal locating member (50) and the width locating member (60) are The spring member imparts potential energy and moves downward, thereby positioning the protrusion (53), The positioning ridges (63) are respectively held below the pressing portion (30a) of the primary pressing ram (30) and the secondary pressing ram (40), and the pressing portion (40a). position. The cover plate spring mounting device according to any one of claims 2 to 4, wherein the cover (10) has a pair of leaf spring support portions on both sides in the longitudinal direction of the bottom surface (10b) (15) The leaf spring support portion (15) is placed on both sides in the longitudinal direction of the leaf spring (20), and includes protrusions on the upper surface (15a) of each of the leaf spring support portions (15) 16) The primary pressing ram (30) has a pair of pressing portions (30a), and simultaneously presses a pair of tabs (17) of the protrusions (16), the secondary pressing The pressing head (40) has a pair of pressing portions (40a), and at the same time, a pair of protrusions (17) of the respective protrusions (16) after the primary pressing process are subjected to secondary pressing processing, and secondary pressing is performed. The pressing portion (40a) of the indenter (40) presses the pair of tabs (17) of the respective protrusions (16) into a flat shape, whereby the pair of tabs (17) Parallel to the upper surface (15a) of the leaf spring support portion (15), and a pair of tabs (17) spaced apart from the upper surface of the leaf spring (20), the leaf spring (20) being placed on the leaf spring support portion Upper surface (15a) of (15).