CN216324246U - Reverse extrusion forming die frame based on multi-step deep hole structure - Google Patents
Reverse extrusion forming die frame based on multi-step deep hole structure Download PDFInfo
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- CN216324246U CN216324246U CN202122879356.5U CN202122879356U CN216324246U CN 216324246 U CN216324246 U CN 216324246U CN 202122879356 U CN202122879356 U CN 202122879356U CN 216324246 U CN216324246 U CN 216324246U
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- 238000001125 extrusion Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 37
- 238000003754 machining Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a backward extrusion forming die frame based on a multi-step deep hole structure, which comprises an upper die plate and a lower die plate, wherein the bottom of the upper die plate is fixedly connected with an upper die base, the bottom of the upper die base is provided with a mounting hole, a punch is clamped in the mounting hole, the top of the lower die plate is provided with a lower die base, the top of the lower die plate and one side of the lower die base are provided with a demolding mechanism, the inside of the upper die base is provided with a clamping mechanism, the clamping mechanism comprises a mounting cavity arranged in the upper die base, and one side of the mounting cavity is communicated with the mounting hole. This anti-extrusion forming die carrier based on multi-step deep hole structure, stopper and first spring, fly leaf, regulation pole and adjustment handle's cooperation make things convenient for the rapid Assembly between mould and the drift and break away from, simple structure, convenient operation, labour saving and time saving has shortened the drift greatly and has changed required time, effectively improves the machining efficiency of work piece.
Description
Technical Field
The utility model relates to the technical field of metal plastic cold forming, in particular to a reverse extrusion forming die frame based on a multi-step deep hole structure.
Background
At present, in the industrial fields of automobiles, electric power, machinery, ships and the like, a plurality of cup-shaped and rod-shaft parts with step deep holes, particularly non-circular special-shaped holes are provided, the parts with large using amount are machined by a machining method, the machining efficiency is low, and due to the fact that a plurality of deep holes are machined, a cutter cannot reach a designated machining position easily, and the machining difficulty is high. The part is manufactured by a metal extrusion forming method, the production efficiency is ensured, the utilization rate of metal materials is improved, the forming of a common step hole generally adopts a backward extrusion forming method, the forming is carried out by a step forging method, a larger inner hole of one stage is formed firstly, and a smaller inner hole of the next stage is formed secondly.
According to patent grant publication No. CN214601098U, the special die set device for multi-step deep hole backward extrusion comprises an upper die assembly, a lower die assembly and a forging demoulding assembly, wherein the upper die assembly and the lower die assembly are both positioned on a vertical central line of the die set, and the demoulding assembly is positioned between the upper die assembly and the lower die assembly; the upper die assembly comprises an upper die plate and a punch, the upper die plate is integrally arranged on an upper sliding block of the press, the upper die plate is respectively provided with a central stepped hole and diagonal part holes positioned at two sides, and the punch is arranged in the central stepped hole of the upper die plate in a matched manner; the lower die component comprises a main ejector rod, an auxiliary ejector rod, a lower die plate, a die holder and a female die component, the lower die plate is integrally arranged on the table surface of the press, the lower die plate is respectively provided with a central stepped hole and holes at the diagonal positions at two sides, the main ejector rod and the auxiliary ejector rod are arranged in the central stepped hole of the lower die plate, and the auxiliary ejector rod is arranged at the upper part of the main ejector rod and contacts with a forge piece; the demoulding component comprises a pull rod, a return spring, a discharging plate and a discharging stop dog; realize the extrusion in many steps high accuracy hole and dysmorphism hole, above-mentioned utility model in when changing the drift, need professional instrument to dismantle and install the drift, waste time and energy, reduced the machining efficiency of work piece, influence the holistic processing progress of work piece.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a backward extrusion forming die frame based on a multi-step deep hole structure, and solves the problems that in the utility model, when a punch is replaced, a professional tool is needed to disassemble and install the punch, time and labor are wasted, the processing efficiency of a workpiece is reduced, and the overall processing progress of the workpiece is influenced.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a reverse extrusion forming die set based on a multi-step deep hole structure comprises an upper die plate and a lower die plate, wherein the bottom of the upper die plate is fixedly connected with an upper die base, the bottom of the upper die base is provided with a mounting hole, a punch is clamped inside the mounting hole, the top of the lower die plate is provided with a lower die base, the top of the lower die plate and one side of the lower die base are provided with a demolding mechanism, the inside of the upper die base is provided with a clamping mechanism, the clamping mechanism comprises a mounting cavity arranged inside the upper die base, one side of the mounting cavity is communicated with the mounting hole, one side of the inner wall of the mounting cavity is fixedly connected with a limiting rod, a movable plate is connected between the surfaces of the two limiting rods in a sliding manner, one side of the movable plate is fixedly connected with a limiting block, the top of the surface of the punch is provided with a limiting hole matched with the limiting block, and a mounting groove is formed between the bottom of the upper die base and the mounting cavity, the mounting structure is characterized in that a mounting ring is connected between the front face and the back face of the inner wall of the mounting groove in a rotating mode through a mounting shaft, a regulating rod is fixedly connected to the top of the surface of the mounting ring, a mounting rod is fixedly connected to the surface of the limiting block, the regulating rod is rotatably connected with the mounting rod, and a regulating handle is fixedly connected to the bottom of the surface of the mounting ring.
Preferably, the other side of the movable plate is fixedly connected with a first spring, and one end, far away from the movable plate, of the first spring is fixedly connected with the inner wall of the installation cavity.
Preferably, the top of the punch is fixedly connected with a positioning column, and the top of the inner wall of the mounting hole is provided with a positioning hole.
Preferably, the surface of the adjusting rod is provided with a sliding groove, and one end of the mounting rod, which is far away from the limiting rod, penetrates through the adjusting rod through the sliding groove and is in sliding connection with the adjusting rod.
Preferably, the inner wall of the lower die holder is provided with a female die, the bottom of the lower die plate is connected with a push rod in a sliding mode, and the top end of the push rod penetrates through the lower die plate and the female die and extends into the female die.
Preferably, demoulding mechanism is including the installation stand, the bottom of installation stand and the top fixed connection of lower bolster, the surperficial sliding connection of installation stand has the stripper, the top of lower bolster just is located the fixed surface of installation stand and is connected with the second spring.
Preferably, one side of the top of the lower template is fixedly connected with a guide pillar, and the surface of the upper template is provided with a guide hole matched with the guide pillar in a penetrating way.
Advantageous effects
The utility model provides a reverse extrusion forming die frame based on a multi-step deep hole structure. Compared with the prior art, the method has the following beneficial effects:
(1) the reverse extrusion forming die carrier based on the multi-step deep hole structure is characterized in that an upper die base is fixedly connected to the bottom of an upper die plate, a mounting hole is formed in the bottom of the upper die base, a punch is clamped in the mounting hole, a lower die base is arranged on the top of the lower die plate, a demoulding mechanism is arranged on the top of the lower die plate and located on one side of the lower die base, a clamping mechanism is arranged in the upper die base and comprises a mounting cavity formed in the upper die base, one side of the mounting cavity is communicated with the mounting hole, a limiting rod is fixedly connected to one side of the inner wall of the mounting cavity, a movable plate is slidably connected between the surfaces of the two limiting rods, a limiting block is fixedly connected to one side of the movable plate, a limiting hole matched with the limiting block is formed in the top of the surface of the punch, a mounting groove is formed between the bottom of the upper die base and the mounting cavity, and a mounting ring is rotatably connected between the front surface and the back surface of the inner wall of the mounting groove through a mounting shaft, the top fixedly connected with on mounting ring surface adjusts the pole, and the fixed surface of stopper is connected with the installation pole, adjusts the pole and rotates with the installation pole to be connected, and the bottom fixedly connected with adjustment handle on mounting ring surface, stopper and first spring, fly leaf, the cooperation of adjusting pole and adjustment handle conveniently go up the rapid Assembly between mould and the drift and break away from, simple structure, convenient operation, labour saving and time saving has shortened the drift greatly and has changed required time, effectively improves the machining efficiency of work piece.
(2) This anti-extrusion forming die carrier based on multiple step deep hole structure includes the installation stand through demoulding mechanism, the bottom of installation stand and the top fixed connection of lower bolster, the surperficial sliding connection of installation stand has the stripper, the top of lower bolster just is located the fixed surface of installation stand and is connected with the second spring, the second spring realizes automatic drawing of patterns with the cooperation of stripper and installation stand, need not that operating personnel manually breaks away from, has both alleviateed work load, has reduced the potential safety hazard of operation.
Drawings
FIG. 1 is a cross-sectional view of a structure of the present invention;
FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the present invention at B of FIG. 1;
fig. 4 is a perspective view of the punch of the present invention.
In the figure: 1, 2, 3, 4, 5, 51, 52, 55, 56, 57, 58, 59, 510, 511, first, 512, 6, 7, 71, 72, 73, second, 8, 9, 10, 11, 12, 13, 14 guide holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a backward extrusion forming die set based on a multi-step deep hole structure comprises an upper die plate 1 and a lower die plate 2, wherein one side of the top of the lower die plate 2 is fixedly connected with a guide post 13, the surface of the upper die plate 1 is provided with a guide hole 14 matched with the guide post 13 in a penetrating way, the bottom of the upper die plate 1 is fixedly connected with an upper die base 3, the bottom of the upper die base 3 is provided with a mounting hole 4, a punch 6 is clamped inside the mounting hole 4, the top of the punch 6 is fixedly connected with a positioning post 9, the top of the inner wall of the mounting hole 4 is provided with a positioning hole 10, the top of the lower die plate 2 is provided with a lower die base 8, the inner wall of the lower die base 8 is provided with a female die 11, the cross section of the female die 11 is of a step type, the bottom of the lower die plate 2 is slidably connected with a push rod 12, the top end of the push rod 12 penetrates through the lower die plate 2 and the female die 11 and extends into the female die 11, one side of the lower die base 8 is provided with a demoulding mechanism 7, the demolding mechanism 7 comprises an installation upright post 71, a limiting plate is fixedly connected to the top end of the installation upright post 71, the bottom of the installation upright post 71 is fixedly connected with the top of the lower template 2, a demolding plate 72 is connected to the surface of the installation upright post 71 in a sliding manner, a demolding hole matched with the punch 6 is formed in the position between the top and the bottom of the demolding plate 72 in a penetrating manner, a second spring 73 is fixedly connected to the top of the lower template 2 and located on the surface of the installation upright post 71, a clamping mechanism 5 is arranged inside the upper template 3, the clamping mechanism 5 comprises an installation cavity 51 arranged inside the upper template 3, one side of the installation cavity 51 is communicated with the installation hole 4, a limiting rod 52 is fixedly connected to one side of the inner wall of the installation cavity 51, an anti-falling plate is fixedly connected to one end, close to the installation hole 4, of the limiting rod 52 is fixedly connected to an anti-falling plate, a movable plate 53 is connected between the surfaces of the two limiting rods 52 in a sliding manner, and a first spring 511 is fixedly connected to the other side of the movable plate 53, the first spring 511 is in a compressed state, one end of the first spring 511, which is far away from the movable plate 53, is fixedly connected with the inner wall of the mounting cavity 51, one side of the movable plate 53 is fixedly connected with a limit block 54, the top of the surface of the punch 6 is provided with a limit hole 55 matched with the limit block 54, a mounting groove 56 is arranged between the bottom of the upper die base 3 and the mounting cavity 51, a mounting ring 57 is rotatably connected between the front surface and the back surface of the inner wall of the mounting groove 56 through a mounting shaft, the top of the surface of the mounting ring 57 is fixedly connected with an adjusting rod 58, the surface of the limit block 54 is fixedly connected with a mounting rod 59, the adjusting rod 58 is rotatably connected with the mounting rod 59, the surface of the adjusting rod 58 is provided with a sliding groove 512, the sliding groove 512 and the mounting rod 59 can relatively rotate and slide, so as to prevent movement interference, one end, which is far away from the limit rod 52, of the mounting rod 59, penetrates through the adjusting rod 58 and is slidably connected with the adjusting rod 58 through the sliding groove 512, an adjusting handle 510 is fixedly connected to the bottom of the surface of the mounting ring 57.
When the device is used, a workpiece to be processed is placed into the female die 11, the upper die plate 1, the upper die base 3 and the punch 6 move downwards together under the action of the press, the punch 6 penetrates through the stripper plate 72, the punch 6 continues to move downwards, the guide post 13 penetrates through the guide hole 14 of the upper die plate 1 to enable the punch 6 to be aligned with the female die 11, the punch 6 continues to move downwards, the punch 6 is contacted with the workpiece to begin to extrude the workpiece, meanwhile, the stripper plate 72 is contacted with the punch 6 to drive the stripper plate 72 to move downwards, after the preset distance is reached, the punch 6 stops moving downwards and begins to reset, if the workpiece is left in the female die 11, the ejector rod 12 works to eject the workpiece out of the female die 11 after the punch 6 is reset, if the workpiece is sleeved on the surface of the punch 6, the workpiece is separated from the punch 6 under the action of the stripper plate 72 in the resetting process of the punch 6, the adjusting handle 510 is rotated to drive the limit block 54 to be separated from the limit groove 55 through the adjusting rod 58 and the mounting rod 59 when the punch 6 needs to be replaced, the punch 6 can be taken off from the upper die base 3, a new punch 6 is inserted, and the limit block 54 is clamped into the limit hole 55 under the action of the first spring 511, so that the punch 6 is installed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a backward extrusion forming die carrier based on multi-step deep hole structure, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that: an upper die holder (3) is fixedly connected to the bottom of the upper die plate (1), a mounting hole (4) is formed in the bottom of the upper die holder (3), a punch (6) is clamped in the mounting hole (4), a lower die holder (8) is arranged at the top of the lower die plate (2), a demolding mechanism (7) is arranged at the top of the lower die plate (2) and on one side of the lower die holder (8), and a clamping mechanism (5) is arranged in the upper die holder (3);
the clamping mechanism (5) comprises an installation cavity (51) arranged inside the upper die base (3), one side of the installation cavity (51) is communicated with the installation hole (4), one side of the inner wall of the installation cavity (51) is fixedly connected with a limiting rod (52), two movable plates (53) are slidably connected between the surfaces of the limiting rods (52), one side of each movable plate (53) is fixedly connected with a limiting block (54), the top of the surface of the punch (6) is provided with a limiting hole (55) matched with the limiting block (54), an installation groove (56) is formed between the bottom of the upper die base (3) and the installation cavity (51), an installation ring (57) is rotatably connected between the front surface and the back surface of the inner wall of the installation groove (56) through an installation shaft, the top of the surface of the installation ring (57) is fixedly connected with an adjusting rod (58), and the surface of the limiting block (54) is fixedly connected with an installation rod (59), the adjusting rod (58) is rotatably connected with the mounting rod (59), and the bottom of the surface of the mounting ring (57) is fixedly connected with an adjusting handle (510).
2. The backward extrusion forming die frame based on the multi-step deep hole structure as claimed in claim 1, wherein: the other side of the movable plate (53) is fixedly connected with a first spring (511), and one end, far away from the movable plate (53), of the first spring (511) is fixedly connected with the inner wall of the mounting cavity (51).
3. The backward extrusion forming die frame based on the multi-step deep hole structure as claimed in claim 1, wherein: the top of the punch (6) is fixedly connected with a positioning column (9), and the top of the inner wall of the mounting hole (4) is provided with a positioning hole (10).
4. The backward extrusion forming die frame based on the multi-step deep hole structure as claimed in claim 1, wherein: the surface of the adjusting rod (58) is provided with a sliding groove (512), and one end, far away from the limiting rod (52), of the mounting rod (59) penetrates through the adjusting rod (58) through the sliding groove (512) and is in sliding connection with the adjusting rod (58).
5. The backward extrusion forming die frame based on the multi-step deep hole structure as claimed in claim 1, wherein: the die (11) is installed to the inner wall of lower bolster (8), the bottom sliding connection of lower bolster (2) has ejector pin (12), the top of ejector pin (12) runs through lower bolster (2) and die (11) and extends to the inside of die (11).
6. The backward extrusion forming die frame based on the multi-step deep hole structure as claimed in claim 1, wherein: demoulding mechanism (7) is including installation stand (71), the bottom of installation stand (71) and the top fixed connection of lower bolster (2), the surperficial sliding connection of installation stand (71) has stripper (72), the fixed surface that just is located installation stand (71) at the top of lower bolster (2) is connected with second spring (73).
7. The backward extrusion forming die frame based on the multi-step deep hole structure as claimed in claim 1, wherein: one side of the top of the lower template (2) is fixedly connected with a guide pillar (13), and a guide hole (14) matched with the guide pillar (13) penetrates through the surface of the upper template (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122879356.5U CN216324246U (en) | 2021-11-23 | 2021-11-23 | Reverse extrusion forming die frame based on multi-step deep hole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122879356.5U CN216324246U (en) | 2021-11-23 | 2021-11-23 | Reverse extrusion forming die frame based on multi-step deep hole structure |
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| Publication Number | Publication Date |
|---|---|
| CN216324246U true CN216324246U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122879356.5U Expired - Fee Related CN216324246U (en) | 2021-11-23 | 2021-11-23 | Reverse extrusion forming die frame based on multi-step deep hole structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090704A (en) * | 2022-07-12 | 2022-09-23 | 辽宁华通金属有限公司 | Interference bullet shell body integrated forming device and method |
-
2021
- 2021-11-23 CN CN202122879356.5U patent/CN216324246U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090704A (en) * | 2022-07-12 | 2022-09-23 | 辽宁华通金属有限公司 | Interference bullet shell body integrated forming device and method |
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Granted publication date: 20220419 |