CN206936165U - A kind of adjustment structure of bender - Google Patents

Abstract

The utility model provides an adjustment structure of the bending die, which can quickly adjust the die according to the difference in the thickness of the incoming material, making it suitable for bending materials of various thicknesses, ensuring the production efficiency of the entire die, and ensuring the production of products pass rate. It includes an upper mold assembly and a lower mold assembly. The upper mold assembly includes an upper mold base, an upper backing plate, an upper splint, and a bending punch. The lower mold assembly includes a lower mold base, a lower backing plate, Top plate, the top of the bending punch is fixed on the overall structure composed of the mold base, upper backing plate and upper splint, the top plate is arranged directly below the bending punch, and it is further characterized in that: The top plate is linearly positioned in the linear guide groove of the lower mold base through contour screws, and the bottom of the top plate is pressed into a vertical spring, and the vertical spring is located on the spring guide formed by the lower backing plate and the lower mold base. In the groove, the two sides of the lower backing plate corresponding to the top plate are respectively provided with lower mold insert backing plates.

Description

A kind of adjusting structure of bending die

technical field

The utility model relates to the technical field of bending die structure, in particular to an adjusting structure of a bending die.

Background technique

When the fuel injection system bracket is being bent, because the existing bending die sets a fixed value for the thickness of the incoming material, when the thickness of the incoming material changes, it cannot be adjusted in time, so that once the thickness of the incoming material and When the preset thickness changes, there will be a problem that the qualified rate of the bent product will drop, and the adjustment of the thickness of the existing bending die is time-consuming and laborious, resulting in low production efficiency of the product line.

Contents of the invention

In view of the above problems, the utility model provides an adjustment structure of the bending die, which can quickly adjust the die according to the thickness of the incoming material, making it suitable for bending materials of various thicknesses, ensuring the production efficiency of the entire die, and Guaranteed the qualified rate of production products.

A kind of adjusting structure of bending die, its technical scheme is as follows: it comprises upper mold assembly, lower mold assembly, and described upper mold assembly includes upper mold base, upper backing plate, upper splint, bending punch , the lower mold assembly includes a lower mold base, a lower backing plate, and a top plate. The arrangement directly below the bending punch is further characterized in that: the top plate is linearly positioned in the linear guide groove of the lower mold base through contour screws, and the bottom of the top plate is press-fitted on a vertical spring. The vertical spring is located in the spring guide groove formed by the lower backing plate and the lower mold base. The two sides of the lower backing plate corresponding to the top plate are respectively provided with a lower mold insert backing plate, and the bottom end surfaces of the lower mold inserts on both sides are Respectively supported on the upper end surface of the lower mold insert backing plate, the opposite surfaces of the lower mold inserts on both sides, the upper end surface of the top plate, and the lower end surface of the bending punch form a bending cavity. The outer end surface of the insert is a first inclined surface that expands outward from bottom to top, and the first inclined surface fits the inner end inclined surface of the first adjustment block on the outside, and the bottom of the first adjustment block is from the inner end to the outer end. The second slope that is gradually raised, the second slope at the bottom of the first adjustment block is supported on the guide slope of the second adjustment block, the second adjustment block is arranged horizontally, and the outer end of the second adjustment block is fixed There is a detachable locking structure, the outer side of the first adjustment block is provided with a fixed lower formwork, and the mounting bolts pass through the lower formwork and the first adjustment block and are fixed on the lower mold insert on the corresponding side. The first adjustment The block is provided with a vertical escape hole corresponding to the position of the mounting bolt, and the end of the mounting bolt is fixed with a washer, and the washer is provided with a horizontal spring mounting hole corresponding to the corresponding position of the lower template, and the horizontal spring is set on the Behind the installation bolts, it is located in the installation hole of the horizontal spring, and the two ends of the horizontal spring are installed on the top of the washer and the lower template respectively, so as to ensure that the first slope of the lower mold insert is close to the inner slope of the first adjustment block.

It is further characterized in that: the detachable locking structure includes an adjusting screw and an adjusting screw fixing block, the adjusting screw fixing block is located outside the second adjusting block, and a lock nut is arranged outside the adjusting screw fixing block After the adjusting screw is threaded to the lock nut, it passes through the rear end of the adjusting screw fixing block and is positioned in the nut head positioning cavity of the second adjusting block. When the adjusting screw rotates, it drives the second adjusting block horizontally inward and outward move;

The upper end surface of the second adjustment block is provided with a scale, and the scale is used to adjust the thickness value of the corresponding material;

A workpiece positioning plate is also arranged on the upper end surface of the lower template to ensure the positioning position of the workpiece;

The workpiece positioning plate is respectively provided with positioning holes corresponding to the position of the upper end surface of the lower mold insert, and the positioning internal thread is penetrated with a press screw, and the top of the press screw is used to fix and press the lower mold. the upper end face of the insert;

The bottom of the lower mold base is fixed on the lower plate through the lower feet.

After adopting the above technology, by adjusting the depth of the guide slope of the second adjustment block, the vertical height of the first adjustment block is adjusted, so that under the action of the horizontal spring, the first slope of the lower mold insert is close to the first adjustment block The inner end slope of the lower die insert can be adjusted to adjust the distance between the inner end face of the lower die insert and the corresponding side of the bending punch, so that the distance can be adapted to different material thicknesses, and because the top plate is linearly positioned on the lower die base through the contour screw In the linear guide groove, the bottom of the top plate is press-fitted on the vertical spring, and the upper die seat drives the bending punch down, and then presses the top plate down until the bending is completed. When demoulding, the vertical spring lifts the top plate to complete the demoulding; comprehensive In addition, it can quickly adjust the mold according to the thickness of the incoming material, making it suitable for bending materials of various thicknesses, ensuring the production efficiency of the entire mold, and ensuring the pass rate of the produced products.

Description of drawings

Fig. 1 is the structural representation of the front view of the utility model;

Fig. 2 is a top view structural schematic diagram of Fig. 1;

Fig. 3 is a schematic diagram of the A-A section structure of Fig. 2 (the section line is not drawn)

The names corresponding to the serial numbers in the figure are as follows:

Upper mold base 1, upper backing plate 2, upper splint 3, bending punch 4, lower mold base 5, lower backing plate 6, top plate 7, equal height screw 8, linear guide groove 9, vertical spring 10, spring guide groove 11. Lower mold insert backing plate 12, lower mold insert 13, bending cavity 14, first inclined plane 15, first adjusting block 16, second inclined plane 17, second adjusting block 18, guiding inclined plane 19, mounting bolts 20. Vertical avoidance hole 21, washer 22, horizontal spring mounting hole 23, horizontal spring 24, adjusting screw 25, adjusting screw fixing block 26, lock nut 27, nut head positioning cavity 28, scale 29, workpiece positioning plate 30, Workpiece 31, positioning hole 32, press-fit screw 33, lower pad 34, lower plate 35.

detailed description

An adjustment structure of a bending die, as shown in Figures 1 to 3: it includes an upper mold assembly and a lower mold assembly, and the upper mold assembly includes an upper mold base 1, an upper backing plate 2, an upper splint 3, and a bending convex The mold 4 and the lower mold assembly include the lower mold base 5, the lower backing plate 6, and the top plate 7. Located directly below the bending punch 4, the top plate 7 is linearly positioned in the linear guide groove 9 of the lower mold base 5 through the contour screw 8, and the bottom of the top plate 7 is pressed into the vertical spring 10, and the vertical spring 10 is located on the lower pad In the spring guide groove 11 composed of the plate 6 and the lower mold base 8, the lower backing plate 6 is respectively provided with a lower mold insert backing plate 12 corresponding to the two sides of the top plate 7, and the bottom end surfaces of the lower mold insert 13 on both sides are respectively supported. On the upper end surface of the lower mold insert backing plate 12, the opposite surfaces of the lower mold insert 13 on both sides, the upper end surface of the top plate 7, and the lower end surface of the bending punch 4 form a bending cavity 14, and the lower mold insert The outer end surface of the piece 13 is a first inclined surface 15 that expands outward from bottom to top, and the first inclined surface 15 fits the inner end inclined surface of the first adjusting block 16 on the outside, and the bottom of the first adjusting block 16 is from the inner end to the outer end. The second slope 17 that is gradually lifted, the second slope 17 at the bottom of the first adjustment block 16 is supported on the guide slope 19 of the second adjustment block 18, the second adjustment block 18 is arranged horizontally, and the outer end of the second adjustment block 18 is fixed Equipped with a pull-out locking structure, the outside of the first adjustment block 16 is provided with a fixed lower template 19, and the mounting bolts 20 pass through the lower template 19 and the first adjustment block 16 and are fixed on the lower mold insert 13 on the corresponding side. The adjustment block 16 is provided with a vertical escape hole 21 corresponding to the position of the mounting bolt 20, and the end of the mounting bolt 20 is fixed with a washer 22, and the washer 22 is provided with a horizontal spring mounting hole 23 corresponding to the corresponding position of the lower template 19, and the horizontal spring 24 Set behind the mounting bolts 20, it is located in the horizontal spring mounting hole 23. The two ends of the horizontal spring 24 are respectively topped with a washer 22 and a lower template 19 to ensure that the first slope 15 of the lower mold insert 13 is close to the first adjustment block 16. Beveled inner end.

The locking structure includes an adjusting screw 25 and an adjusting screw fixing block 26, the adjusting screw fixing block 26 is located at the outer position of the second adjusting block 18, a locking nut 27 is arranged on the outer side of the adjusting screw fixing block 26, and the adjusting screw 25 is threadedly connected to the lock Tighten the nut 27 and pass through the rear end of the adjusting screw fixing block 26 to be positioned in the nut head positioning cavity 28 of the second adjusting block 18, and the adjusting screw 25 drives the second adjusting block 18 to move horizontally inward and outward when the adjusting screw 25 rotates;

The upper end face of the second regulating block 18 is provided with scale 29, and scale 29 is used for adjusting the thickness value of corresponding material, and concrete material thickness is corresponding to the numerical value of scale in specific embodiment as follows table:

The above is only the adjustment value of the specific embodiment, and the adjustment amount of the specific value is obtained by converting the slope of the corresponding slope.

The upper end surface of the lower template 19 is also arranged with a workpiece positioning plate 30 to ensure the positioning position of the workpiece 31. The workpiece positioning plate 30 is respectively provided with a positioning hole 32 corresponding to the position of the upper end surface of the lower mold insert 13, and the internal thread of the positioning hole 32 is penetrated. Press-fit screw 33, the top of press-fit screw 33 is used for fixing the upper end surface of press-fit lower die insert 13;

Its working principle is as follows: When there is a deviation between the thickness of the material and the setting, loosen the press screw 33, adjust the knob screw 25 to make the mold suitable for the scale adjustment size of the corresponding material thickness, and adjust the guide of the second adjustment block 18 The depth of the inclined surface, and then adjust the vertical height of the first adjusting block 16, so that under the action of the horizontal spring, the first inclined surface of the lower mold insert 13 is close to the inner end inclined surface of the first adjusting block 16, thereby adjusting the lower mold insert. The distance between the inner end surface of the piece 13 and the corresponding side of the bending punch 4 makes the distance suitable for the corresponding material thickness, and then tighten the pressing screw 33 for subsequent bending production.

The specific embodiments of the utility model have been described in detail above, but the content is only a preferred embodiment of the utility model creation, and cannot be considered as limiting the implementation scope of the utility model creation. All equal changes and improvements made according to the application scope of the utility model should still belong to the scope of the patent.

Claims (6)

1. a kind of adjustment structure of bender, it includes upper die component, lower mold assemblies, the upper die component include upper bolster, on Backing plate, train wheel bridge, bending punch-pin, the lower mold assemblies include die shoe, lower bolster, top plate, and the top of the bending punch-pin is consolidated The overall structure formed loaded on the die holder, upper padding plate, train wheel bridge, the top plate are located at the underface cloth of the bending punch-pin Put, it is further characterized by：The top plate by contour screw straight line to being positioned in the line channel of the die shoe, institute The bottom for stating top plate is pressed in uprighting spring, and the uprighting spring is located in the spring guide groove of the lower bolster, die shoe composition, The both sides that the lower bolster corresponds to top plate are respectively arranged with lower mould mold insert backing plate, and the bottom face of the lower mould mold insert of both sides props up respectively Hold in the upper surface of the lower mould mold insert backing plate, under the forward surfaces of lower mould mold insert of both sides, the upper surface of top plate, bending punch-pin End face forms bending die cavity, and the outer face of the lower mould mold insert is the first inclined-plane extended out from bottom to top, and described first is oblique The inner inclined-plane of first regulating block in face fitting outside, the bottom of first regulating block are gradually lifted outward from inner Second inclined-plane, the second inclined-plane of the bottom of first regulating block are supported on the guiding surface of the second regulating block, and described second adjusts For locking nub level to arrangement, the outer end of second regulating block, which is fixed with, detaches latch-up structure, is set on the outside of first regulating block Fixed lower template is equipped with, installation bolt is installed in the lower mould mold insert of respective side, institute after lower template, the first regulating block The position that the first regulating block is stated corresponding to the installation bolt is provided with and is vertically fixedly mounted with to avoid holes, the end of the installation bolt There is packing ring, the correspondence position that the packing ring corresponds to the lower template is provided with horizontal spring mounting hole, and horizontal spring is set in After the installation bolt, in the horizontal spring mounting hole, dress packing ring, lower mould are pushed up in the both ends of the horizontal spring respectively Plate, it is ensured that be close to the inner inclined-plane of the first regulating block in the lower inclined-plane of mould mold insert first.

A kind of 2. adjustment structure of bender described in claim 1, it is characterised in that：The latch-up structure that detaches includes regulation Screw, set screw fixed block, the set screw fixed block are located at the outer fix of second regulating block, the regulation spiral shell Locking nut is provided with the outside of silk fixed block, is consolidated after the set screw threaded connection locking nut through the set screw Determine block rearward end to be positioned in the nut head positioning chamber of second regulating block, the second regulation is driven when the set screw rotates Block level is to inside and outside movement.

A kind of 3. adjustment structure of bender as claimed in claim 1 or 2, it is characterised in that：Second regulating block it is upper End face is provided with scale, and the scale is used for the thickness value for adjusting corresponding material.

A kind of 4. adjustment structure of bender as claimed in claim 1, it is characterised in that：The upper surface of the lower template also cloth It is equipped with workpiece location-plate.

A kind of 5. adjustment structure of bender as claimed in claim 4, it is characterised in that：The workpiece location-plate corresponds to institute The upper surface position for stating lower mould mold insert is respectively arranged with positioning hole, and the positioning internal thread, which runs through, press fitting screw, the press fitting The top of screw is used for the fixed upper surface for being pressed the lower mould mold insert.

A kind of 6. adjustment structure of bender as claimed in claim 1, it is characterised in that：The bottom of the die shoe is under Feet is installed in lower plate.