Lever type stamping die structure

Abstract

The utility model provides a lever type stamping die structure which comprises a punch, a hanging rod, a lever, a supporting seat, a forming lower die insert core and a forming upper die punch, the lever is arranged on the supporting seat in a swinging mode, the bottom end of the hanging rod is hinged to one end of the lever, the forming lower die insert core is hinged to the other end of the lever, a lower die groove is formed in the forming lower die insert core, and a lower die is arranged in the lower die groove. And the bottom of the forming upper die punch is provided with an upper die face part. Materials are placed on the lower mold groove, when the mold is closed, the punch and the upper forming mold punch move downwards, the lever swings on the supporting base under the driving of the hanging rod, the end, connected with the lower forming mold insert, of the lever is lifted, the materials are extruded and formed between the upper mold face and the lower mold groove, and therefore the U-shaped hardware is formed. Module movement is achieved through swinging of the lever on the supporting base, stress of parts is reduced, rotation resistance between the lever and the supporting base is small, abrasion of the parts is reduced, the service life of the die is prolonged, and product machining precision is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a lever-type stamping die structure. Background Art

[0002] Attachment Figure 5 Shown is a U-shaped hardware 10. Currently, the U-shaped hardware 10 is attached Figure 4 The mold structure shown is used for stamping and forming. During processing, the material is placed on top of the forming slider 14, and the first punch 11 and the second punch 15 move downward. The first punch 11 drives the slider 12 to move downward. The inclined surface at the bottom end of the first punch 11 abuts against the inclined surface at one end of the slider push rod 13, causing the slider push rod 13 to move horizontally to the left. The inclined surface at the other end of the slider push rod 13 abuts against the inclined surface at the bottom of the forming slider 14, causing the forming slider 14 to rise. The material is formed into a U-shaped hardware part 10 under the stamping action of the second punch 15 and the forming slider 14. This mold structure drives the module movement through the movement of the inclined surface, which can easily lead to severe wear of the inclined surface, thereby affecting the processing accuracy of the product, shortening the mold life, and increasing the frequency of mold maintenance. Summary of the Invention

[0003] The problem to be solved by the utility model is to provide a lever-type stamping die structure, which reduces die wear, increases die service life, and ensures product processing accuracy.

[0004] To solve the above technical problems, a lever-type stamping die structure is provided in accordance with the utility model, which includes a punch, a hanger, a lever, a support seat, a forming lower die insert, and a forming upper die punch. The lever is swingably arranged on the support seat, the bottom end of the hanger is hinged to one end of the lever, the forming lower die insert is hinged to the other end of the lever, a lower model groove is provided on the forming lower die insert, and an upper model surface is provided at the bottom of the forming upper die punch.

[0005] Preferably, both ends of the lever are provided with avoidance grooves, the suspension rod is hinged to one of the avoidance grooves through a first pin, and the forming upper die punch is hinged to the other avoidance groove through a second pin.

[0006] Preferably, the molding lower mold insert includes two relatively arranged lower model plates, the bottom of the lower model plate is connected to a connecting arm portion, and a first pin hole matching the second pin is penetrated by the connecting arm portion, and second pin holes are provided on both side walls of the avoidance groove, and the second pin is connected between the two first pin holes and the two second pin holes, and a lower model surface is provided on the inner side of the top of the lower model plate, and the two lower model surfaces surround to form a lower model groove, and a spring groove is provided on the inner side surface of the lower model plate, and a spring is abutted between the two spring grooves, and a guide slope is provided on the top of the outer side surface of the lower model plate.

[0007] Preferably, the support base comprises a support bottom plate, a cushion block, the top of the support bottom plate is provided with a mounting groove matched with the cushion block, the cushion block is detachably connected on the mounting groove, the top of the cushion block is provided with an arc-shaped groove, the bottom center of the lever is provided with an arc-shaped surface matched with the arc-shaped groove, and the arc-shaped surface is movably arranged on the arc-shaped groove.

[0008] The utility model discloses a lever formula stamping die structure, and the material is placed on the lower model groove, when the die closes, the punch and the forming upper die punch move downward, the punch will drive the suspender to move downward, the lever will swing on the support base under the drive of the suspender, one end of the lever connected with the suspender will sink, one end of the lever connected with the forming lower die punch will rise, and the material will be extruded between the upper model surface and the lower model groove, thereby forming the U-shaped hardware, which utilizes the swing action of the lever on the support base to realize the activity of the module, reduces the stress of the part, the rotating resistance between the lever and the support base is small, effectively reduces the abrasion of the part, prolongs the service life of the die, and ensures the machining precision of the product. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 The utility model discloses an appearance structure schematic diagram.

[0010] Figure 2 The utility model discloses a sectional view.

[0011] Figure 3 The utility model discloses an exploded structure schematic diagram.

[0012] Figure 4 The utility model discloses an existing technology structure schematic diagram.

[0013] Figure 5 The utility model discloses an appearance structure schematic diagram of U-shaped hardware.

[0014] Fig. 1 is a schematic diagram of the structure of the prior art; Fig. 2 is a schematic diagram of the appearance structure of the U-shaped hardware; Fig. 3 is a sectional view of the utility model; Fig. 4 is an exploded structure schematic diagram of the utility model; Fig. 5 is a schematic diagram of the structure of the utility model; Fig. 6 is a schematic diagram of the appearance structure of the U-shaped hardware; Fig. 7 is a schematic diagram of the structure of the existing technology; Fig. 8 is a schematic diagram of the appearance structure of the U-shaped hardware; Fig. 9 is a sectional view of the utility model; Fig. 10 is an exploded structure schematic diagram of the utility model; Fig. 11 is a schematic diagram of the structure of the utility model; Fig. 12 is a schematic diagram of the appearance structure of the U-shaped hardware; Punch 1, suspender 2, lever 3, avoid position groove 30, second pin hole 300, arc-shaped surface 31, support base 4, support bottom plate 40, mounting groove 400, cushion block 41, forming lower die punch 5, lower model groove 50, lower model plate 51, lower model surface 510, spring groove 511, guide inclined surface 512, connecting arm part 52, first pin hole 520, forming upper die punch 6, upper model surface part 60, first pin 7, second pin 8, spring 9, U-shaped hardware 10, first punch 11, sliding block 12, sliding block push rod 13, forming sliding block 14, second punch 15. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments.

[0016] Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present disclosure.

[0017] Reference Figures 1-5 .

[0018] The utility model provides a lever formula stamping die structure, contain punch 1, boom 2, lever 3, support seat 4, form lower die punch 5, form upper die punch 6, lever 3 swing formula setting in support seat 4, the bottom end of boom 2 is hinged in one end of lever 3, form lower die punch 5 is hinged in the other end of lever 3, be provided with lower model groove 50 on form lower die punch 5, the bottom of form upper die punch 6 is provided with upper model face 60.

[0019] Its working principle is, place material on lower model groove 50, when the die is closed, punch 1 and form upper die punch 6 move downward, punch 1 will drive boom 2 to move downward, lever 3 will swing on support seat 4 under the drive of boom 2, one end of lever 3 connected with boom 2 will sink, one end of lever 3 connected with form lower die punch 5 will rise, material will be extruded between upper model face 60 and lower model groove 50 and formed, thereby forming U-shaped hardware 10, which realizes the activity of the module by using the swing action of lever 3 on support seat 4, reduces the stress of the part, the rotation resistance between lever 3 and support seat 4 is small, effectively reduces the wear of the part, improves the service life of the die, and ensures the machining precision of the product.

[0020] Based on the above-mentioned embodiments, both ends of lever 3 are provided with avoidance grooves 30, boom 2 is hinged on one avoidance groove 30 through first pin 7, form upper die punch 6 is hinged on the other avoidance groove 30 through second pin 8, when lever 3 swings, boom 2 and form lower die punch 5 will move on avoidance groove 30, having the advantages of small size and compact structure.

[0021] Based on the above embodiment, the lower mold enters the sub 5 includes two oppositely arranged lower mold plates 51, the bottom of the lower mold plate 51 is connected with the connecting arm part 52, the first pin hole 520 matched with the second pin 8 is arranged through the connecting arm part 52, the second pin hole 300 is arranged on the two side walls of the avoidance slot 30, the second pin 8 is connected between the two first pin holes 520 and the two second pin holes 300, the inner side of the top of the lower mold plate 51 is provided with the lower mold surface 510, the two lower mold surfaces 510 are surrounded to form the lower mold groove 50, the inner side of the lower mold plate 51 is provided with the spring groove 511, the spring 9 is abutted between the two spring grooves 511, and the outer side of the top of the lower mold plate 51 is provided with the guide inclined surface 512. In order to realize the automatic closing and opening of the two lower mold plates 51 during the closing and opening of the mold, the lower mold supporting plate can be arranged on the lower mold, the through groove is arranged through the lower mold supporting plate, the forming lower mold enters the sub 5 is arranged in the through groove, and the upper ends of the opposite two side surfaces of the through groove are narrowed to form the closing inclined surface matched with the guide inclined surface 512. During the closing, the forming lower mold enters the sub 5 is lifted under the driving of the lever 3, the two side guide inclined surfaces 512 are abutted on the closing inclined surface, the two lower mold surfaces 510 are closed, and the material is extruded and formed between the upper mold surface part 60 and the two lower mold surfaces 510; during the opening, the forming lower mold enters the sub 5 is lowered under the driving of the lever 3, the two side guide inclined surfaces 512 are separated from the closing inclined surface, the two lower mold plates 51 are opened and reset under the elastic force of the spring, the two side lower mold surfaces 510 are opened, and the U-shaped hardware 10 is conveniently taken out from the lower mold groove 50.

[0022] Based on the above embodiment, the support seat 4 includes a support bottom plate 40 and a cushion block 41, the top of the support bottom plate 40 is provided with a mounting groove 400 matched with the cushion block 41, the cushion block 41 is detachably connected on the mounting groove 400, the top of the cushion block 41 is provided with an arc-shaped groove 410, the bottom center of the lever 3 is provided with an arc-shaped surface 31 matched with the arc-shaped groove 410, and the arc-shaped surface 31 is movably arranged on the arc-shaped groove 410. When the lever 3 swings, the arc-shaped surface 31 will move on the arc-shaped groove 410, and when the arc-shaped groove 410 is worn, the cushion block 41 can be conveniently replaced.

[0023] The above embodiment only describes the preferred embodiments of the utility model, and does not limit the scope of the utility model, and various deformations and improvements of the technical scheme of the utility model made by the ordinary engineering technical personnel in the art without departing from the design spirit of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. A lever press die structure characterized by, The utility model relates to a punch, a boom, a lever, a support seat, a forming lower die punch, a forming upper die punch, the lever swing mode is arranged on the support seat, the bottom end of the boom is hinged in one end of the lever, the forming lower die punch is hinged in the other end of the lever, the forming lower die punch is provided with lower model groove, and the bottom of the forming upper die punch is provided with upper model face.

2. A lever press die structure according to claim 1, wherein Both ends of the lever are provided with the position-avoiding groove, the boom is hinged on one of the position-avoiding groove through the first pin, and the forming upper die punch is hinged on the other position-avoiding groove through the second pin.

3. A lever press die structure according to claim 2, wherein The forming lower die punch includes two oppositely arranged lower model plates, the bottom of the lower model plate is connected with the connecting arm part, the connecting arm part is provided with the first pin hole matched with the second pin in penetration, the two side walls of the position-avoiding groove are provided with the second pin hole, the second pin is connected between the two first pin holes and the two second pin holes, the inner side of the top of the lower model plate is provided with the lower model face, and the two lower model faces surround to form the lower model groove; the inner side of the lower model plate is provided with the spring groove, the spring is abutted between the two spring grooves, and the outer side of the lower model plate is provided with the guide inclined plane on the top.

4. A lever press die structure according to claim 3, wherein The support seat includes a support bottom plate and a cushion block, the top of the support bottom plate is provided with the installation groove matched with the cushion block, the cushion block is detachably connected on the installation groove, the top of the cushion block is provided with the arc-shaped groove, the bottom center of the lever is provided with the arc-shaped surface matched with the arc-shaped groove, and the arc-shaped surface is movably arranged on the arc-shaped groove.

Images