TWI247645B - Quick-change chuck and knife therefor - Google Patents

Abstract

This invention relates to a quick-change chuck structure, which comprises a main body having axial hole on its center, wherein the lower portion of the axial hole is the insert-and-latch hole for the tool and there is at least one part-slot on the wall of the insert-and-latch hole; a sliding-part placed in each part-slot; a lower positioning-sleeve, which has a center axial hole and is fitted and diametrically matched on the exterior of the lower part of the main body, wherein on the inner wall of the axial hole of the lower positioning-sleeve, there is at least one concave space and a sloped-surface, which is cut from one side of the concave space along the inner wall of the axial hole, and the concave space and the sloped-surface are situated so as to correspond to the sliding-part; a tool having a positioning-end, in opposite to the working-end, for being inserted and diametrically matched into the insert-and-latch hole of the main body of the chuck, wherein there is a part-latch groove on the surface in the positioning-end of the tool for the sliding-part to latch on; an upper positioning-sleeve with an axial hole to fit on the exterior of the upper portion of the main body; and a spring installed on the exterior of the main body and between the upper and lower positioning-sleeves.

Description

1247645

V. INSTRUCTION DESCRIPTION OF THE INVENTION (1) Technical Field of the Invention The present invention relates to a chuck, and more relates to a control of the J-volume under the chuck, and is particularly useful for authors (such as drill bits). structure. Set, so that the chuck can quickly unload the hole cutter [Prior Art] raft;: 51 chucking tool (such as drill bit) chuck structure, the general is -丨, \ one; 彳, moving the power shaft The body wall surface is provided with a plurality of oblique guides, and a clamping jaw is arranged in the production hole. The clamping jaws are arranged in a coaxial manner in the outer body of the body. That is, the rotary drive ring can cause the jaws to move non-parallel to the stepwise direction. • The plurality of jaws can be clamped to the tool in the direction of the center axis of the body, and the cutter is released. The oblique guide hole on the second sound of the sound is related to the angle of the chamfer of the jaw and the main axis of the body, the moving direction and the height of the clamping tool, and the production cost is relatively increased. Work ΪΓ 1 claw = the phenomenon of missing claws and knife slipping... Reinforces the "sufficient stomach" so many of the twists and turns of the gripper are complicated, and the design is so many, but many designs make the chuck structure more and more The cost of the complex clothing is also increasing. [Invention] The technical problem to be solved by the invention: > t ST ί is to eliminate the structure of the conventional jaw type chuck, and the manufacturing cost thereof is not; ^ et al. The invention ☆ diagram overcomes the above problems in a completely different way from the conventional jaw type chuck, and achieves the simplification of the chuck, the assembly and positioning of the mouth cutter, the convenient and rapid positioning, and the improvement of the chuck assembly tool.

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V. Description of invention (2) Qualitative and other purposes. The technical means for solving the problem includes: - the positioning portion of the cutter is traversed in the shaft hole of the body; the sliding member disposed on the wall surface of the body; the horizontally reciprocating movement groove for the shaft of the body; ^ In the positioning part of the child's tool, the component in which the sliding element is embedded is embedded in the axial direction of the external body. The position of the external component is oriented toward the hyperactivity. 2 = the sub-directional movement (1) is empty (4). The sliding invention is compared with the prior art. Efficacy: The present invention proposes a new collet design with a claw-clamping positioning bit, which breaks through the previous problem' and the entire chuck structure is simple, and the rotary positioning sleeve proposed in the prior art is excluded. The predetermined angle can be I, the tool assembly and positioning are positioned in the reciprocating direction of rotation; the special two, convenient, fast and axial and rotating of the tool, improve the orientation of the tool can effectively prevent the tool from slipping. Appropriately, the positioning sleeve can only be rotated and rotated to the positioning sleeve. The reference scheme is rotated, so that the angle of the cymbal can be restricted, instead of the unrestricted positioning between the objects of 360 degrees. Bit sets the angle, in addition to ensuring damaged. </ RTI> can also prevent excessive rotation action resulting in an object [Embodiment] A quick release clamp - body (10), such as the first,, and alpha configuration, mainly includes:

$6, 2, 5, and 6, with a shaft hole 1247645 in the center. 5. Description of the invention (3) Throughout the shaft hole can be divided into upper and lower sections, and the upper section is the power shaft hole (12). Connected to the power shaft of the transmission (not shown), the lower section is the knife _ the toothed hole (1 3 )' can be used for a tool (8 〇) (such as a drill bit) different from the working end · positioning part (8 1) a diameter is inserted therein; an end of the body (丨〇) is provided with a diameter-increasing block (15); a positioning structure, such as the first, second, and sixth A drawings, is attached to the body (1 〇) A hole position (1 4 ) is disposed in each of the opposite positions of the wall of the tool piercing hole (1 3 ), wherein each sliding element (2 〇) is filled, and the sliding element (2 〇) can be rolled as shown in the first figure. Needle (201), or the ball of the tenth figure (202), or the sliding block of the eleventh figure (2 0 3 ); the element hole position (1 4 ) may protrude from the inside of the hole wall to protrude from your tool hole The sliding element (20) of (13) is moderately blocked to prevent it from falling; the position of the positioning portion (8 1 ) of the cutter (80) is opposite to the position of the two-element fitting groove (8 2 ) '俾 positioning portion (8)丨) penetrate the In the tool piercing hole (丨3), a part of the edge of the sliding member (20) is caught in the component slot (82), so that the tool (80) is axially and rotationally positioned; An outer ring groove (2 1 ) is disposed in the center of the sliding member (2 〇), and a gap sealing ring (2 2 ) is filled in the outer ring groove (2 1 ) when the sliding member (20) is engaged with the component slot In (8 2 ), fill the gap with the gap seal ring (2 2 ) to avoid the sliding of the sliding element (2 〇). A rotary direction of a tool is used to strengthen the positioning structure, such as the first, second and fifth figures, which are provided with at least one radial perforation (16) in the wall of the body (10) relative to the tool piercing hole (13). 'A positioning member (3 〇) is tightly fitted in the perforation (丨6), the inner end (3 1 ) protrudes inwardly from the tool piercing hole (丨3), and the outer end (3 2 ) The outer surface of the locating portion (81) of the cutter (80) is axially provided with a groove (83). The groove (83) is open at the open end of the positioning portion. Profit

Page 7 1247645 V. INSTRUCTION DESCRIPTION (4) When the positioning portion (8 1 ) is passed through the cutter tooth hole (1 3 ), the inner end (31) of the positioning member (3 通过) passes through and is located therein. Strengthen the orientation of the body (1〇) and the tool (8〇). The positioning sleeve (40), such as the first, second, third and fifth figures, has a shaft hole (41), and the upper half of the shaft hole (41) is expanded to form a spring receiving portion (42)' One of the different ends of the spring valley portion (42) forms a radially enlarged receiving groove (43) and the portion of the supporting portion (44) 'more than the peripheral portion of the stopping portion (44) is recessed in the axial direction. An arc-shaped limiting groove (45) is provided; the wall surface relative position of the shaft hole (41) is provided with two radially recessed spaces (4 6 ) and one of the spaces (4 6 ) is laterally aligned with the inner wall of the shaft hole Cutting the surface (4 7 ); the body (1 〇) is sized to pass through the shaft hole (41), and the receiving groove (43) is provided for the blocking body (15) to be partially blocked The portion (44) and the blocking body (15) are mutually stopped; the upper sliding member (20) is opposite to the space (46) and the pushing surface (47), and the outer end of the positioning member (30) (3 2 ) The upper positioning sleeve (45), such as the first, second, and fifth figures, is a hollow cover-like casing having a shaft hole with a hole wall extending a predetermined distance toward the inside ( 5 1 ), the top end of the body (10) is closely fitted to the shaft hole (5) 1) inside; and a spring receiving portion (52) is reserved between the shaft hole (5 1 ) and the inner wall of the upper positioning sleeve (50); a spring (60), such as the first, second, and fifth figures, is worn over Outside the body (1〇), a spring receiving portion (52) (42) between the upper and lower positioning sleeves (50) (40); as in the fifth to seventh B, the lower positioning sleeve (4 0 ) is a component that can be held by the user and rotated to rotate, and the lower positioning sleeve (40) is rotated, and the sliding component (2 0 ) is generated in the space (4 6 ) and the pushing surface (4 7 ) ) moving between and positioning pieces (3 0)

1247645 V. INSTRUCTIONS (5) The case where the outer end (32) moves in the limit slot (45). When the sliding element space (46) is assembled or unloaded from the tool (8〇), its positioning part (4) is second; the moving: the piece (20) is pushed away from the axis of the body (1〇) and falls into the second. Therefore, the positioning portion (8) of the knife ί (8 〇) can be inserted into the hole (13) without hindrance. Although the clamping portion (81) is located in the tool insertion hole (13), the lower positioning sleeve (40) is rotated, and the sliding member (20) of the pushing surface (47) is used in the direction of the axis of the body (10). The tool (10) is pumped === the inner end (31) stops in the channel (83), so that the tool 80 ΐί, the body (1〇) can be used. It is true that when the tool benefit tool (8〇) encounters a large resistance during work, it also has a d-force 10) unstable state of hollow rotation, which can improve the reference scheme of the optimal rotation angle. . Also, the point ej = ej = (20) corresponds to the space (46) or corresponds to the push surface (47), and the outer end (32) of the bit member (30) is located in the limit slot (45) Direction: The L-slot wall stop support 'lower positioning sleeve (40) can no longer be separated by the same: except that the boring tool (80) has been assembled or unloaded · eight, greedy limit slot ( 4 5) With the outer end of the positioning member (30) (32) with the money two # two i, stop the chuck in the body (10) and the Ding positioning sleeve (40) ^ 疋 二第^ However, it is impossible to unload the tool by hand. The tooling hole (13) ^ rounding the positioning part (8) of the tool (10)) and the circular section, the positioning part may also be a polygonal column. Page 9 1247645 V. Invention description (6) (8 11 ) (81 2 ), such as a hexagon or a square, of course, the tool piercing hole (1 3 1 ) (1 3 2 ) is a relative sectional shape, and the tool rotation is also achieved by the combination technique of the polygonal hole column. The function of the positioning; the circle shown by the dashed line in the figure means that even the hexagonal or square tool piercing hole (1 3 1 ) (1 3 2 ) can fit the cylindrical positioning part (8 1 ) . FIG. 12 is a view showing another embodiment of the present invention. The figure shows that the inner wall of the body (10) is provided with two radially protruding moldings (17), and the moldings (17) can be embedded.

In the channel (83) of the tool (80), the body (10) and the tool (80) are rotated and positioned; the original positioning member can be used to match the setting of the molding (17) (3) 0) slight change, that is, the positioning member (30') has only the outer end (33) protruding radially from the body (10) without having the inner end protruding from the power shaft hole (12); Therefore, in this embodiment, the outer end (3 3 ) of the positioning member (3 〇,) is engaged with the limiting slot (45) of the lower positioning sleeve (40) to control the rotation of the lower positioning sleeve (4 〇). The function of the angle. Although the case is illustrated by a preferred embodiment, those skilled in the art can make various changes without departing from the spirit and scope of the case. The embodiment is only used to illustrate the case, and the scope of non-== . Any modification or change that is not carried out in the spirit of this case is the scope of application for patent in this case.

Page 10 1247645 Brief Description of the Drawings [Description of the Drawings] The first drawing is a top perspective exploded view of the first embodiment of the present invention. The second drawing is a bottom perspective exploded view of the first embodiment of the present invention. The third figure is a bottom plan view of the lower positioning sleeve of the present invention. The fourth figure is a combined appearance of the first embodiment of the present invention. The fifth figure is a 5 - 5 sectional view in the fourth figure. Figure 6A is a cross-sectional view of 6A-6A in the fourth figure. Figure 6B is a schematic diagram of the action depicted in Figure 6A. Figure 7A is a cross-sectional view of 7A-7A in the sixth A diagram. Figure 7B is a cross-sectional view of 7B-7B in the sixth B diagram. Figure 8 is a cross-sectional view showing a second embodiment of the present invention. Figure 9 is a cross-sectional view showing a third embodiment of the present invention. Figure 11 is a perspective exploded view of a fourth embodiment of the present invention. The eleventh drawing is a perspective exploded view of a fifth embodiment of the present invention. Figure 12 is a perspective exploded view of a sixth embodiment of the present invention.

1247645 Brief description of the drawing [Description of symbols] 10-body 1 2 - power shaft hole 1 3 - tool threading hole 1 3 1 - tool threading hole 1 3 2 - tool threading hole 1 4 - component hole position 15-block Body 1 6 - Perforation 1 7 - Insert 2 0 - Sliding element 2 0 1 - Needle 2 0 2 - Ball 2 0 3 - Slide 2 1 - Outer ring groove 2 2 - Gap ring 3 0 _ Locator 3 0 ' - locating member 3 1 - locating member inner end 3 2 - locating member outer end 3 3 - locating member outer end 4 0 - lower locating sleeve 4 1 _ shaft hole 42 - magazine accommodating portion 4 3 - pocket 44 - stop 4 5 - limit groove 4 6 - space 4 7 - push surface 5 0 - upper positioning sleeve 5 1 - shaft hole 52 - spring receptacle 60 - spring 80 - cutter 8 1 - positioning 8 2 - component The groove 8 3 - channel 8 1 1 - the polygonal cylinder 8 1 2 - the polygonal cylinder

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Claims (1)

1247645 "; Amendment No. 93Π3654 ' VI. Patent application scope 1. A quick-release chuck structure mainly comprises: a body with a shaft hole at the center, and a lower portion of the shaft hole is a cutter piercing hole, and the cutter piercing hole The wall surface is provided with at least one component hole position; the component hole position is filled with a sliding component; the lower positioning sleeve is provided with a shaft hole at the center, and the hole is sleeved outside the lower end portion of the body, and the inner wall of the shaft hole is provided with at least one radial recess a space and a pushing surface obliquely cut along one side of the space; the space and the pushing surface are opposite to the sliding element; a cutter, the portion different from the working end is a positioning portion, and the positioning portion is a traversing hole of the tool passing through the body, the surface of the positioning portion is provided with at least the component slot of the sliding component; an upper positioning sleeve is axially positioned outside the upper end of the body with a central shaft hole; a spring, a sleeve is disposed between the upper and lower positioning sleeves; a positioning member radially disposed on the wall of the cutter piercing hole, one end of the positioning member protrudes from the outer wall; the lower positioning sleeve is sleeved in the hole Wall part The edge is provided with a limiting groove for receiving the end of the positioning member. 2. According to the quick release chuck structure described in claim 1, in the reference, the other end of the positioning member protrudes radially The cutter is inserted into the hole; the positioning portion of the cutter is provided with at least one channel for the end of the positioning member to be embedded therein. 3. According to the quick release chuck structure described in claim 1 of the application, wherein The inner wall of the body is provided with at least one protruding strip; the positioning portion of the cutter is provided with at least one channel for the insert to be embedded therein. Page 13 1247645 Patent Application Case No. 931Π λ 曰 Amendment Medium Central Medium 4 · According to the quick release chuck structure described in the scope of the patent application, the sliding element is a needle roller. The quick-release collet structure according to claim 4, wherein the sliding member has an outer ring groove and a gap seal 6 in the outer ring groove. Quickly disassemble the chuck structure, the sliding element is a sliding block. According to the quick release chuck structure described in claim 6, the sliding block has an outer ring groove and a gap ring in the outer ring groove. According to the quick-disconnecting chuck structure described in the first paragraph of the patent application scope, the positioning portion of the _: Hai cutter is a polygonal cylinder, and the cutter piercing hole has a relatively middle cross-sectional shape as described in item 8 of the patent application scope. The chuck structure is removed, and the positioning portion of the cutter is a hexagonal cylinder.嗲 According to the quick release chuck structure described in claim 8 of the patent application, the positioning portion of the 1 ^ tool is a rectangular cylinder. According to the quick release chuck structure described in claim 1, the cross-sectional shape of the cutter piercing hole is a polygonal hole. Among them, according to the scope of the patent application, the quick-release chuck structure of the 11th household is a cylinder. Medium China I Page 14