CN205147072U - Z type and crooked compound mould of double -H groove weld type of T type stamping workpiece - Google Patents

Abstract

The utility model discloses a Z type and crooked compound mould of double -H groove weld type of T type stamping workpiece, the compound mould of this punching press includes upper die base and die holder, and the upper die base is equipped with Z type terrace die and double -H groove weld type terrace die, and the die is fixed on the die holder, and under the drive of press, Z type and the double -H groove weld type that can successively accomplish this T type stamping workpiece under the cooperation of double -H groove weld type terrace die and Z type terrace die and die are crooked, equipment structure is simple, has improved production efficiency greatly, reduced manufacturing cost, has solved with high costs that a work piece will bending leads to the fact on two sets of moulds, the problem of inefficiency.

Description

A Z-shaped and double U-shaped bending composite mold for T-shaped stamping parts

technical field

The utility model relates to the field of stamping dies, in particular to a Z-shaped and double U-shaped bending composite die for T-shaped stamping parts.

Background technique

At present, the U-shaped bending and Z-shaped bending of the workpiece must be processed and manufactured through two sets of molds. A large number of human resources, and due to numerous processes, low production efficiency and reduced workpiece precision; there are also problems such as cumbersome processing, two sets of molds occupy a large area of the factory building, and high production costs.

Contents of the invention

The purpose of this utility model is to provide a Z-shaped and double U-shaped bending composite mold for T-shaped stamping parts, which can complete the U-shaped bending and Z-shaped bending of the stamping parts at one time, thereby improving the working efficiency of the product and saving costs. Guarantee the quality of the workpiece.

For realizing the purpose of this utility model, the technical scheme that adopts is:

A Z-shaped and double U-shaped bending composite mold for T-shaped stamping parts, including an upper mold and a lower mold, characterized in that: the lower end of the upper mold base (12) is fixedly connected with a punch backing plate (9), and the Z-shaped punch (29) The top is connected to the punch backing plate (9), the Z-shaped punch (29) is fixed by the Z-shaped punch fixing plate (8); the small guide post (32) is fixed on the left end of the punch backing plate (9) , the small guide post (32) passes through the Z-shaped punch fixing plate (8), the die backing plate (6) and the punch fixing plate (5); the second cylindrical pin (10) is located on the right side of the first guide post (7) side, the cylindrical pin 2 (10) connects the upper die base (12), the punch backing plate (9) and the Z-shaped punch fixing plate (8); the left end of the guide post 2 (18) is equipped with a discharge screw One (15), unloading screw one (15) passes through the upper die base (12), the punch backing plate (9), the Z-shaped punch fixing plate (8), the die backing plate (6) and the punch to fix Plate (5); spring one (17) is set on the unloading screw one (15), the upper end of spring one (17) is in contact with the punch backing plate (9), and the lower end of spring one (17) is in contact with the U-shaped punch fixing plate (5) CONTACT.

Further, in a Z-shaped and double U-shaped bending composite mold for T-shaped stamping parts as described above, there is a section between the Z-shaped punch fixing plate (8) and the die backing plate (6) for the Z-shaped punch The distance that the mold runs downwards is convenient to complete the U-shaped bending first, and then the Z-shaped bending.

Further, in a Z-shaped and double U-shaped bending composite mold for T-shaped stamping parts as described above, the U-shaped punch fixing plate (5) is connected to the underside of the die backing plate (6), and the double U-shaped punch (19 ) upper end is fixed on the die backing plate (6), and the double U-shaped punch (19) is fixed by the punch fixing plate (5); the die backing plate (6) and the punch fixing plate of the die (5) Connect with hexagon socket head screw three (31), and the double U-shaped punch (19) is equipped with spring two (20) in the middle, and the upper end of spring two (20) is in contact with the backing plate (6) of the die, and the spring Two (20) lower ends are in contact with the pressing screw (21).

Further, a Z-shaped and double U-shaped bending composite mold for T-shaped stamping parts as described above, the positioning plate (4) is located under the double U-shaped punch (19), and the positioning plate (4) is set on the die ( In the range of the end face of 3), the positioning plate (4) is fixed on the die (3) by countersunk head screws (28), and the size of the die (3) is prepared according to the size of the double U-shaped punch (19) to ensure uniformity on both sides The gap is 1.92mm, the die (3) is fixed on the lower die base (1) by the hexagon socket head cap screw one (22); the cylindrical pin one (2) passes through the positioning plate (4), the die (3) and the lower die base (1) Connect them together, and the lower end of the lower mold base (1) is connected to the end cover (24) through the second hexagon socket head cap screw (25).

Further, in the Z-shaped and double U-shaped bending composite mold for T-shaped stamping parts as described above, the upper mold base (12) is provided with a mold handle (13), and the fixed section of the mold handle (13) is connected with the upper mold The seat counterbore adopts H7/m6 transition fit, and anti-rotation pin (14) is added to prevent rotation. The upper die seat (12) passes through the guide post one (7), guide sleeve one (11) and guide post two (18) ), the second guide sleeve (16) is connected with the lower mold base (1).

Further, in a Z-shaped and double U-shaped bending composite mold for T-shaped stamping parts as described above, the end cover (24) is fixed on the lower mold base (1) with two hexagon socket head screws (25), and the end cover (24 ) is provided with spring three (23); the lower end of spring three (23) is in contact with the lower mold base (1), the upper end of spring three (23) is in contact with discharge screw two (26), and the top of discharge screw two (26) There is a top plate (27).

Further, a Z-shaped and double-U-shaped bending composite mold for T-shaped stamping parts as described above, the bending part adopts the method of convex and concave molds to ensure that the unilateral gap is 0.96, in order to prevent the unbalanced bending force of simultaneous bending Occurrence, take the U-shaped symmetrical bending first, and then the Z-shaped bending.

Beneficial effects of the utility model: the top piece device arranged under the lower mold base ensures the stable bending of the bending piece, the continuation and fixation of the movement of the hat-shaped bending movable punch, prevents deviation, and ensures the accuracy of the workpiece. With the cooperation of the Z-shaped punch and the Z-shaped punch and the die, a set of molds can be used to complete the Z-shaped and double U-shaped bending of the T-shaped stamping part, which greatly reduces the process, improves the output, and solves the original mold needs. The problems of poor economic benefit, low production efficiency and high cost caused by completing Z-shaped and double U-shaped bending on two sets of molds respectively.

Description of drawings

Figure 1 is a front view of a Z-shaped and double U-shaped bending composite mold for a T-shaped stamping part.

Figure 2 is a left view of a Z-shaped and double U-shaped bending composite mold for a T-shaped stamping part.

Fig. 3 is a top view of a Z-shaped and double U-shaped bending composite mold for a T-shaped stamping part.

Fig. 4 is a T-shaped stamping part of a Z-shaped stamping part and a double U-shaped bending composite mold.

The labels in the figure are as follows: 1. Lower mold base; 2. Cylindrical pin 1; 3. Die; 4. Positioning plate; 5. U-shaped punch fixing plate; ;8. Z-type punch fixing plate; 9. Punch backing plate; 10. Cylindrical pin two; 11. Guide sleeve one; 12. Upper die base; 13. Die handle; Screw 1; 16. Guide sleeve 2; 17. Spring 1; 18. Guide post 2; 19. U-shaped punch; 20. Spring 2; 21. Pressing screw; 22. Hexagon socket screw 1; 24. End cover; 25. Inner hexagon screw two; 26. Unloading screw two; 27. Top plate; 28. Countersunk screw; 29. Z-type punch; 30. Small guide sleeve; .Small guide post; 33. Hexagon socket screw four.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

The specific embodiment of the utility model is shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, and Fig. 4 is a T-shaped stamping part. Head screw 28 is tightened, is used for fixing positioning plate.

When the mold is working, the upper mold base 12 goes down with the press slider along the guide post 17 and guide post 2 18, the spring 17 is compressed, and the Z-shaped punch 29 also goes down with the press slider, but the Z-shaped convex Die 29 has not yet reached the position of the T-shaped stamping part. Under the pressure of the press, the double U-shaped punch 19 first touches the T-shaped stamping part, and the spring 20 in the double U-shaped punch 19 is compressed, so that the pressing screw 21 Press the T-shaped stamping parts tightly, and as the press slider continues to descend, the double U-shaped punch 19 and the die 3 cooperate to complete the U-shaped bending of the T-shaped stamping parts, and at the same time, the Z-shaped punch 8 is on the press bed. Under the action, it just contacts with the T-shaped stamping part, and the Z-shaped punch 8 continues to descend until the upper and lower dies are completely closed, and the Z-shaped bending and double U-shaped bending of the T-shaped stamping part are completed.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (6)

1. the Z-type of a T-shaped stamping parts and double-U-shaped bending composite die, comprise upper die and lower die, it is characterized in that: upper bolster (12) lower end is fixed with convex mould pad (9), Z-type punch (29) top is connected on convex mould pad (9), and Z-type punch (29) is fixed by Z-type punch retainer (8); Little guide pillar (32) is fixed on convex mould pad (9) left end, and little guide pillar (32) is through Z-type punch retainer (8), die backing plate (6) and punch retainer (5); Straight pin two (10) is positioned at the right side of guide pillar one (7), and straight pin two (10) couples together upper bolster (12), convex mould pad (9) and Z-type punch retainer (8) three; Guide pillar two (18) left end is equipped with unloading bolt one (15), and unloading bolt one (15) is through upper bolster (12), convex mould pad (9), Z-type punch retainer (8), die backing plate (6) and punch retainer (5); Spring one (17) is enclosed within unloading bolt one (15), and spring one (17) upper end contacts with convex mould pad (9), and spring one (17) lower end contacts with U-shaped punch retainer (5).

2. the Z-type of a kind of T-shaped stamping parts according to claim 1 and double-U-shaped bending composite die, it is characterized in that: between Z-type punch retainer (8) and die backing plate (6), leave one section of distance run for Z-type punch downwards, first complete U-shaped bending to facilitate, then it is bending to complete Z-type.

3. the Z-type of a kind of T-shaped stamping parts according to claim 1 and double-U-shaped bending composite die, it is characterized in that: die backing plate (6) connects U-shaped punch retainer (5) below, double-U-shaped punch (19) upper end is fixed on die backing plate (6), and double-U-shaped punch (19) is fixed by punch retainer (5); Die backing plate (6) described in described die and punch retainer (5) soket head cap screw three (31) are connected, in the middle of described double-U-shaped punch (19), spring two (20) is housed, spring two (20) upper end contacts with die backing plate (6), and spring two (20) lower end contacts with binder screw (21).

4. the Z-type of a kind of T-shaped stamping parts according to claim 1 and double-U-shaped bending composite die, it is characterized in that: double-U-shaped punch (19) is location-plate (4) below, location-plate (4) is arranged in the end face scope of die (3), location-plate (4) is fixed on die (3) by sunk screw (28), die (3) size is by the preparation of double-U-shaped punch (19) size, ensure that double-faced uniform gap is 1.92mm, die (3) is fixed on die shoe (1) by soket head cap screw one (22); Straight pin one (2) connects through location-plate (4), die (3) and die shoe (1), and die shoe (1) lower end is connected to end cap (24) by soket head cap screw two (25).

5. the Z-type of a kind of T-shaped stamping parts according to claim 1 and double-U-shaped bending composite die, it is characterized in that: in upper bolster (12), be provided with die shank (13), canned paragraph and the upper bolster counterbore of die shank (13) adopt H7/m6 interference fits, and add stop pin (14) and prevent from rotating, upper bolster (12) is connected with die shoe (1) with guide pillar two (18), guide pin bushing two (16) by the guide pillar one (7) of the right and left, guide pin bushing one (11).

6. the Z-type of a kind of T-shaped stamping parts according to claim 1 and double-U-shaped bending composite die, is characterized in that: end cap (24) soket head cap screw two (25) is fixed on die shoe (1), is provided with spring three (23) in end cap (24); Spring three (23) lower end contacts with die shoe (1), and spring three (23) upper end contacts with unloading bolt two (26), and unloading bolt two (26) is equipped with top board (27) above.