CN220196109U - Bending die and stamping equipment for fillet-free product - Google Patents
Bending die and stamping equipment for fillet-free product Download PDFInfo
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- CN220196109U CN220196109U CN202321668492.2U CN202321668492U CN220196109U CN 220196109 U CN220196109 U CN 220196109U CN 202321668492 U CN202321668492 U CN 202321668492U CN 220196109 U CN220196109 U CN 220196109U
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- 238000005452 bending Methods 0.000 title claims abstract description 103
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model discloses a bending die and stamping equipment for a product without a fillet, and relates to the technical field of stamping processing, wherein the bending die comprises an upper die and a lower die, and the upper die comprises an upper die seat, and a first male die, a second male die and a third male die which are sequentially connected to the upper die seat; the lower die comprises a lower die plate, a first female die, a second female die and a third female die which are sequentially arranged on the lower die plate; the first male die is in press fit with the first female die for pressing the material belt, and the bending position of the thinned product is extruded; the second male die is in embedded fit with the second female die, and the outer side area of the bending part of the product is blanked; the third male die and the third female die are arranged in a staggered mode, and the bending part of the product is bent at right angles. The stamping equipment comprises the bending die. The bending die and the stamping equipment for the product without the fillet have the effects of meeting the production quality requirement of the product without the fillet and ensuring the product precision.
Description
Technical Field
The utility model relates to the technical field of stamping processing, in particular to a bending die and stamping equipment for a product without a fillet.
Background
The press working is a press working method for obtaining a desired punched part by applying pressure to a material by using a die mounted on a press machine, which is a main process equipment of the press working, to separate or plastically deform the material.
The die on the stamping equipment in the prior art generally comprises an upper die and a lower die, the upper die comprises a male die, the lower die correspondingly comprises a female die, and the stamping equipment deforms and forms a material belt between the male die and the female die into a required stamping part by driving the die closing of the upper die and the lower die.
When a right-angle bending product is processed by punching equipment in the prior art, the bending product generates a fillet at a bending part due to bending, extrusion and deformation of materials; when the bending product needs to have the quality requirement of no fillets, the stamping equipment in the prior art cannot meet the processing requirement.
Disclosure of Invention
Therefore, the utility model aims to solve the technical problem that the stamping equipment in the prior art cannot meet the processing quality requirement of a right-angle bending product without a fillet.
In order to solve the above technical problems, the present utility model provides a bending die for a fillet-free product, comprising:
the upper die comprises an upper die base, a first male die, a second male die and a third male die which are sequentially connected to the upper die base;
the lower die comprises a lower die plate, a first female die, a second female die and a third female die which are sequentially arranged on the lower die plate;
the first male die is in press fit with the first female die for pressing the material belt, and the bending position of the thinned product is extruded; the second male die is in embedded fit with the second female die, and the outer side area of the bending part of the product is blanked; the third male die and the third female die are arranged in a staggered mode, and the bending part of the product is bent at right angles.
In one embodiment of the present utility model, the top end surface outer edge of the third die is perpendicular to the side surface outer edge.
In one embodiment of the present utility model, the upper die further includes a fourth punch disposed between the second punch and the third punch; the lower die further comprises a fourth female die, and the fourth female die is arranged between the second female die and the third female die;
the fourth male die and the fourth female die are arranged in a staggered mode, a 135-degree prefabricated inclined plane is arranged on the fourth female die, and the fourth male die and the fourth female die bend the bending part of the product by 45 degrees.
In one embodiment of the present utility model, the upper mold further includes a fifth male mold and a sixth male mold sequentially disposed at one side of the third male mold; the lower die further comprises a fifth female die and a sixth female die which are sequentially arranged on one side of the third female die;
the fifth male die and the sixth male die are in press fit with the product on the material belt, and the product position is temporarily fixed; the sixth male die and the sixth female die are both provided with matched inclined wedge surfaces, the sixth female die is in sliding connection with the lower die plate, one end of the sixth female die is connected with a side pushing spring, the other end of the side pushing spring is connected with the lower die plate, and after the sixth male die moves downwards, the sixth female die is pushed to move towards the bending part of the product through the inclined wedge surfaces and is propped against the bending part of the product to the fifth female die.
In one embodiment of the present utility model, the top end surface outer edge of the fifth die is perpendicular to the side surface outer edge.
In one embodiment of the present utility model, the upper mold further includes an upper clamping plate, the upper clamping plate is connected to the upper mold base, and the first punch, the second punch, and the third punch are all connected to the upper clamping plate.
In one embodiment of the present utility model, the upper die further includes an upper pad, the upper pad is connected between the upper die base and the upper clamping plate, and one ends of the first punch, the second punch and the third punch are all pressed against the upper pad.
In one embodiment of the utility model, the upper die further comprises a pressing spring and a stripper plate, two ends of the pressing spring are respectively connected with the upper die base and the stripper plate, a plurality of abdication grooves are formed in the stripper plate, and the first male die, the second male die and the third male die are arranged in the abdication grooves in a penetrating mode.
In one embodiment of the utility model, the lower die further comprises a lower die holder and a lower base plate, the lower base plate is connected between the lower die holder and the lower die plate, and one ends of the first die, the second die and the third die are all in pressing contact with the lower base plate.
In a second aspect, to solve the above technical problem, the present utility model provides a stamping apparatus for a fillet-free product, including the bending die for a fillet-free product.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the bending die for the product without the fillet comprises an upper die and a lower die, wherein the upper die comprises an upper die seat, a first male die, a second male die and a third male die which are sequentially connected to the upper die seat; the lower die comprises a lower die plate, a first female die, a second female die and a third female die which are sequentially arranged on the lower die plate; the first male die is in press fit with the first female die for pressing the material belt, and the bending position of the thinned product is extruded; the second male die is in embedded fit with the second female die, and the outer side area of the bending part of the product is blanked; the third male die and the third female die are arranged in a staggered mode, and the bending part of the product is bent at right angles. When the bending die for the product without the fillet is in operation, the material belt is transmitted between the upper die and the lower die, the first male die, the second male die and the third male die continuously perform stamping operation, the first male die and the second male die extrude and thin the product at a preset bending position on the material belt, the thickness of the bending position of the product is reduced, and therefore the bending fillet is controlled, and the bending part of the product and the unbent part form a fillet shape without the fillet after bending; the second male die and the second female die punch out and drop the outer side area of the product bending part, so that the subsequent bending movement of the product bending part is facilitated; and the third male die presses the bending part of the product to the side edge of the third female die to carry out right-angle bending, so that the product without the fillet is formed. The bending die for the product without the fillet is used for controlling the bending fillet by pre-thinning the plate before bending, thereby meeting the product quality requirement without the fillet and ensuring the product precision.
The stamping equipment for the fillet-free product realizes batch bending production of the fillet-free product by adopting the bending die for the fillet-free product, and ensures production operation.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view of a bending die for a fillet-free product in a preferred embodiment of the utility model;
fig. 2 is an enlarged schematic view at a in fig. 1.
Description of the specification reference numerals: 100. an upper die; 101. an upper die holder; 102. a first punch; 103. a second male die; 104. a third male die; 105. a fourth male die; 106. a fifth male die; 107. a sixth male die; 108. an upper clamping plate; 109. an upper backing plate; 110. guide sleeve; 111. a pressing spring; 112. a stripper plate; 200. a lower die; 201. a lower template; 202. a first female die; 203. a second female die; 204. a third female die; 205. a fourth female die; 206. a fifth female die; 207. a sixth female die; 208. a side-pushing spring; 209. a lower die holder; 210. a lower backing plate; 211. a guide post; 300. a material belt; 301. and (5) a product.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1
Referring to fig. 1, the present utility model discloses a bending die for a fillet-free product, comprising:
the upper die 100, the upper die 100 comprises an upper die holder 101, a first male die 102, a second male die 103 and a third male die 104 which are sequentially connected to the upper die holder 101;
the lower die 200, the lower die 200 includes a lower die plate 201, a first female die 202, a second female die 203, and a third female die 204 sequentially disposed on the lower die plate 201;
wherein, the first male die 102 is in press fit with the first female die 202 to press the material belt 300 to squeeze the bending position of the thinned product 301; the second male die 103 is in embedded fit with the second female die 203, and the outer side area of the bending part of the product 301 is blanked; the third male die 104 and the third female die 204 are arranged alternately, and bend the bending portion of the product 301 at right angles.
When the bending die for the product without the fillet is in operation, the material belt 300 is transmitted between the upper die 100 and the lower die 200, the first male die 102, the second male die 103 and the third male die 104 continuously perform stamping operation, the first male die 102 and the second male die 103 squeeze and thin the product 301 at the preset bending position of the material belt 300, so that the thickness of the plate at the bending position of the product 301 is reduced, the bending fillet is controlled, and the bending part of the product 301 and the unbent part form a right-angle shape without the fillet after bending; the second male die 103 and the second female die 203 punch out and drop the outer side area of the bending part of the product 301, so that the subsequent bending movement of the bending part of the product 301 is facilitated; the third male die 104 presses the bent portion of the product 301 against the side edge of the third female die 204, and performs right-angle bending, thereby forming a fillet-free product.
In this embodiment, the top end surface outer edge of the third die 204 is preferably disposed perpendicular to the side surface outer edge. Specifically, no external fillet is arranged on the outer edge of the top end surface of the third female die 204, and when the product 301 is bent at a right angle, the third female die 204 is in seamless contact with the bent part of the inner side of the product 301, so that the processing requirement of no internal fillet after the product 301 is molded is further ensured to be met.
In the present embodiment, it is preferable that the upper die 100 further includes a fourth punch 105, the fourth punch 105 being disposed between the second punch 103 and the third punch 104; the lower die 200 further includes a fourth female die 205, the fourth female die 205 being disposed between the second female die 203 and the third female die 204;
the fourth male die 105 and the fourth female die 205 are arranged in a staggered manner, a 135-degree prefabricated inclined plane is arranged on the fourth female die 205, and the fourth male die 105 and the fourth female die 205 bend the bending portion of the product 301 by 45 degrees.
By presetting 45-degree bending before the product 301 is bent at right angles, the stress and bending difficulty of the product 301 in direct right angle bending are reduced, the pre-bending buffer effect is achieved, and therefore the accuracy of the size of the product 301 is improved.
In this embodiment, the upper die 100 preferably further includes a fifth punch 106 and a sixth punch 107 sequentially disposed on one side of the third punch 104; the lower die 200 further comprises a fifth die 206 and a sixth die 207 which are sequentially arranged at one side of the third die 204;
wherein, the fifth male die 106 is in press fit with the sixth male die 107 for temporarily fixing the position of the product 301 on the material belt 300; the sixth male die 107 and the sixth female die 207 are both provided with matched inclined wedge surfaces, the sixth female die 207 is slidably connected with the lower die plate 201, one end of the sixth female die 207 is connected with a side pushing spring 208, the other end of the side pushing spring 208 is connected with the lower die plate 201, and after the sixth male die 107 moves downwards, the sixth female die 207 is pushed to move towards the bending part of the product 301 through the inclined wedge surfaces and the bending part of the product 301 is pressed against the fifth female die 206.
The fifth die 206 and the sixth die 207 further shape the product 301 after being bent at right angles, thereby further ensuring the dimensional accuracy of the product 301 after being bent at right angles. The fifth male die 106 and the fifth female die 206 press the unbent part of the product 301 to form temporary fixation; when the sixth male die 107 moves downwards, the sixth female die 207 is pushed to slide in a translational manner, the side pushing springs 208 are stretched, and when the sixth female die 207 slides, the bending portion of the product 301 is pressed against the side surface of the fifth female die 206, so that the bending portion and the unbent portion of the product 301 are ensured to be formed into right angles, and the dimensional accuracy is improved.
In this embodiment, the top end surface outer edge of the fifth die 206 is preferably disposed perpendicular to the side surface outer edge. Specifically, no external fillet is arranged on the outer edge of the top end surface of the fifth female die 206, and when the sixth female die 207 pushes the bent part of the product 301 to press against the fifth female die 206, the fifth female die 206 and the bent part of the inner side of the product 301 are in seamless contact, so that the processing requirement of no internal fillet after the product 301 is shaped is further ensured to be met.
In this embodiment, in order to ensure the structural strength of the upper mold 100, it is preferable that the upper mold 100 further includes an upper clamping plate 108, the upper clamping plate 108 is connected to the upper mold base 101, and the first male mold 102, the second male mold 103, and the third male mold 104 are connected to the upper clamping plate 108. Preferably, the upper die 100 further comprises an upper pad 109, the upper pad 109 is connected between the upper die holder 101 and the upper clamping plate 108, and one ends of the first punch 102, the second punch 103 and the third punch 104 are all pressed against the upper pad 109.
The upper clamping plate 108 is used for installing and connecting the first male die 102, the second male die 103 and the third male die 104, and the fourth male die 105, the fifth male die 106 and the sixth male die 107 are all connected with the upper clamping plate 108; by arranging the upper base plate 109, the upper base plate 109 is used for bearing stress of a plurality of male dies during punching, damage to the upper die holder 101 is avoided, and reliability of the bending die is improved.
In this embodiment, in order to ensure the structural strength of the lower mold 200, it is preferable that the lower mold 200 further includes a lower mold base 209 and a lower pad 210, the lower pad 210 is connected between the lower mold base 209 and the lower mold plate 201, and one ends of the first female mold 202, the second female mold 203, and the third female mold 204 are all pressed against the lower pad 210.
Through setting up lower bolster 210, lower bolster 210 sets up the one end at a plurality of dies for bear the atress of die in the punching process and give back, avoid causing the damage to die holder 209, improved the reliability of bending die.
In this embodiment, in order to ensure smooth mold closing and mold separating of the upper mold 100 and the lower mold 200, the upper mold 100 further includes a guide sleeve 110, the guide sleeve 110 is connected with the upper mold base 101, the lower mold 200 is further correspondingly provided with a guide post 211, the guide post 211 is connected with the lower mold base 209, and the guide sleeve 110 is in linear sliding fit with the guide post 211, so as to improve mold closing precision. Preferably, the upper die 100 further includes a pressing spring 111 and a stripper plate 112, two ends of the pressing spring 111 are respectively connected with the upper die holder 101 and the stripper plate 112, a plurality of relief grooves are formed in the stripper plate 112, and the first male die 102, the second male die 103 and the third male die 104 are arranged in the relief grooves in a penetrating manner.
By arranging the stripper plate 112, the upper die holder 101 moves downwards when the bending die is closed, the stripper plate 112 is firstly contacted with the material belt 300, the material belt 300 is tightly pressed, and the stability during bending is improved; subsequently, the upper die holder 101 drives the plurality of male dies to move downwards continuously, and the material pressing spring 111 is compressed until the plurality of male dies complete the stamping action; then the upper die holder 101 drives the plurality of male dies to move upwards, the stripper plate 112 continuously abuts against the material belt 300 under the action of the elastic force of the material pressing springs 111, the plurality of male dies are conveniently and rapidly separated from the material belt 300, and the upper die holder 101 continues to move upwards until the material pressing springs 111 are reset, and the stripper plate 112 is separated from the material belt 300. The arrangement of the stripper plate 112 enables the male die to be quickly separated from the material belt 300, and the die separation reliability is improved.
The implementation principle of the embodiment is as follows: when the bending die for the product without the fillet is in operation, the material belt 300 is transmitted between the upper die 100 and the lower die 200, the upper die 100 and the lower die 200 are clamped, the first male die 102 and the second male die 103 squeeze and thin the product 301 at the preset bending position of the material belt 300, the thickness of the product 301 at the bending position is reduced, and therefore the bending fillet is controlled, and the bending part of the product 301 and the unbent part form a fillet shape without the fillet after bending; the second male die 103 and the second female die 203 punch out and drop the outer side area of the bending part of the product 301, so that the subsequent bending movement of the bending part of the product 301 is facilitated; the fourth male die 105 and the fourth female die 205 pre-bend the bent portion of the product 301 by 45 degrees; the third male die 104 presses the bending part of the product 301 to the side edge of the third female die 204 without the bullnose for right-angle bending; finally, the fifth male die 106 and the fifth female die 206 press and fix the unbent part of the product 301, the sixth male die 107 pushes the sixth female die 207 to transversely move, the sixth female die 207 presses the bent part of the product 301 to the side edge of the fifth female die 206 without a bullnose, and the product 301 is further shaped and flattened, so that the stamping and bending processing of the product without a fillet is completed.
Example two
The utility model also discloses stamping equipment for the fillet-free product, which comprises the bending die for the fillet-free product.
By adopting the bending die for the product without the fillets, the stamping equipment realizes batch bending production of the product without the fillets, and ensures production operation.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A bending die for a fillister-free product, comprising:
the upper die comprises an upper die base, a first male die, a second male die and a third male die which are sequentially connected to the upper die base;
the lower die comprises a lower die plate, a first female die, a second female die and a third female die which are sequentially arranged on the lower die plate;
the first male die is in press fit with the first female die for pressing the material belt, and the bending position of the thinned product is extruded; the second male die is in embedded fit with the second female die, and the outer side area of the bending part of the product is blanked; the third male die and the third female die are arranged in a staggered mode, and the bending part of the product is bent at right angles.
2. The bending die for a fillister-free product of claim 1, wherein: the outer edge of the top end face of the third female die is perpendicular to the outer edge of the side face.
3. The bending die for a fillister-free product of claim 1, wherein: the upper die further comprises a fourth male die, and the fourth male die is arranged between the second male die and the third male die; the lower die further comprises a fourth female die, and the fourth female die is arranged between the second female die and the third female die;
the fourth male die and the fourth female die are arranged in a staggered mode, a 135-degree prefabricated inclined plane is arranged on the fourth female die, and the fourth male die and the fourth female die bend the bending part of the product by 45 degrees.
4. The bending die for a fillister-free product of claim 1, wherein: the upper die further comprises a fifth male die and a sixth male die which are sequentially arranged on one side of the third male die; the lower die further comprises a fifth female die and a sixth female die which are sequentially arranged on one side of the third female die;
the fifth male die and the sixth male die are in press fit with the product on the material belt, and the product position is temporarily fixed; the sixth male die and the sixth female die are both provided with matched inclined wedge surfaces, the sixth female die is in sliding connection with the lower die plate, one end of the sixth female die is connected with a side pushing spring, the other end of the side pushing spring is connected with the lower die plate, and after the sixth male die moves downwards, the sixth female die is pushed to move towards the bending part of the product through the inclined wedge surfaces and is propped against the bending part of the product to the fifth female die.
5. The bending die for a fillister-free product of claim 4, wherein: the outer edge of the top end surface of the fifth female die is perpendicular to the outer edge of the side surface.
6. The bending die for a fillister-free product of claim 1, wherein: the upper die further comprises an upper clamping plate, the upper clamping plate is connected with the upper die holder, and the first male die, the second male die and the third male die are all connected with the upper clamping plate.
7. The bending die for a fillister-free product of claim 6, wherein: the upper die further comprises an upper base plate, the upper base plate is connected between the upper die base and the upper clamping plate, and one ends of the first male die, the second male die and the third male die are propped against the upper base plate.
8. The bending die for a fillister-free product of claim 1, wherein: the upper die further comprises a pressing spring and a stripper plate, two ends of the pressing spring are respectively connected with the upper die base and the stripper plate, a plurality of abdicating grooves are formed in the stripper plate, and the first male die, the second male die and the third male die are arranged in the abdicating grooves in a penetrating mode.
9. The bending die for a fillister-free product of claim 1, wherein: the lower die further comprises a lower die base and a lower base plate, the lower base plate is connected between the lower die base and the lower die plate, and one ends of the first female die, the second female die and the third female die are propped against the lower base plate.
10. A stamping apparatus for fillister-free products, characterized by: comprising a bending die according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321668492.2U CN220196109U (en) | 2023-06-28 | 2023-06-28 | Bending die and stamping equipment for fillet-free product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321668492.2U CN220196109U (en) | 2023-06-28 | 2023-06-28 | Bending die and stamping equipment for fillet-free product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220196109U true CN220196109U (en) | 2023-12-19 |
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ID=89145537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321668492.2U Active CN220196109U (en) | 2023-06-28 | 2023-06-28 | Bending die and stamping equipment for fillet-free product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220196109U (en) |
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2023
- 2023-06-28 CN CN202321668492.2U patent/CN220196109U/en active Active
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