CN214866962U - Locking seat cold forging forming device - Google Patents
Locking seat cold forging forming device Download PDFInfo
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- CN214866962U CN214866962U CN202120729497.6U CN202120729497U CN214866962U CN 214866962 U CN214866962 U CN 214866962U CN 202120729497 U CN202120729497 U CN 202120729497U CN 214866962 U CN214866962 U CN 214866962U
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Abstract
The utility model discloses a locking seat cold forging forming device, include: the device comprises a first forming die, a second forming die, a third forming die and a manipulator; the first forming die comprises a first forming punch module, a first clamping main module, a first positioning module and a first punch rod; the second forming die comprises a second forming punch module, a second forming main module, a second positioning module and a second punch rod; the third forming die comprises a third forming punch module, a third forming main module and a third positioning module; the manipulators are respectively arranged among the three forming molds. Through the mode, the utility model can realize automatic station conversion; the same positioning modules are arranged on different dies, so that the positioning consistency of workpieces on different dies can be effectively ensured, and the forming effect is ensured.
Description
Technical Field
The utility model relates to a cold forging shaping field, concretely relates to locking seat cold forging forming device.
Background
The locking base is a component of a safety belt running mechanism of an automobile, and locking protection is carried out when the safety belt runs rapidly or the tension is increased suddenly. The locking seat is a special-shaped, asymmetric and complex-tooth-shaped part and comprises internal teeth, external teeth and a special-shaped surface, and the structure of the locking seat is shown in figure 1.
Because there is not the material clamping locating piece in traditional locking seat forming process, can only artifical manual transmission and blowing in the conversion between the forming technology step, through artifical manual with locking seat semi-manufactured goods from last shaping station to next station in, greatly reduced production machining efficiency.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art existence, the utility model provides a locking seat cold forging forming device.
A locking seat cold forging forming device comprises:
the first forming die comprises a first forming punch module, a first clamping main module, a first positioning module and a first punch rod, the first forming punch module is positioned above the first clamping main module, and a first clamping main die cavity is arranged in the first clamping main module; the first positioning module is positioned at the bottom of the first clamping main module, the first punch rod penetrates through the first clamping main module, and the first punch rod is provided with an external tooth form;
the second forming die comprises a second forming punch module, a second forming main module and a second positioning module, the second forming punch module is positioned above the second forming main module, and a second forming main die cavity is arranged in the second forming main module; the second positioning module is positioned at the bottom of the second molding main module;
the third forming die comprises a third forming punch module, a third forming main module and a third positioning module, the third forming punch module is positioned above the third forming main module, a third forming main die cavity is arranged in the third forming main module, and a cutting edge is arranged on the side wall of the third forming main die cavity; the third positioning module is positioned at the bottom of the third forming main module; the sizes of the first positioning module, the second positioning module and the third positioning module are matched;
and the mechanical arms are respectively arranged between the first forming die and the second forming die and between the second forming die and the third forming die.
Preferably, the side wall of the first clamping main mold cavity is provided with at least two symmetrically arranged planes.
Preferably, the first positioning module is arranged symmetrically by taking a central shaft of the first clamping main die cavity as an axis.
Preferably, the top ends of the second positioning module and the third positioning module are provided with a conical shape.
Preferably, the cutting edge is arranged obliquely.
Preferably, the first forming die, the second forming die and the third forming die each include a floating inner punch block, and the floating inner punch blocks respectively penetrate through the first forming die, the second forming die and the third forming die.
Preferably, the first positioning module penetrates through the first clamping main module, and the first punch rod penetrates through the first positioning module; the second positioning module penetrates through the second molding main module; the third positioning module passes through the third forming main module.
Preferably, the second forming die further comprises a second punch rod, the second punch rod penetrates through the second forming main module, and the second punch rod is provided with an external tooth shape.
Preferably, the third forming die further comprises a third punch, the third punch penetrates through the third forming main module, and the third punch is provided with an external tooth shape.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model has the following beneficial effect:
the locking seat cold forging forming device is provided, the transmission of workpieces among different dies is completed through a mechanical arm, and automatic station conversion is realized; the same positioning modules are arranged on different dies, so that the positioning consistency of workpieces on different dies can be effectively ensured, and the positioning precision is improved, thereby ensuring the forming effect and improving the yield of formed finished products.
Drawings
Fig. 1 is a schematic structural view of a locking seat.
Fig. 2 is a schematic structural view of the locking seat cold forging forming device of the present invention.
Fig. 3 is a schematic structural diagram of a first forming die in the locking seat cold forging forming device of the present invention.
Fig. 4 is a schematic structural diagram of a second forming die in the locking seat cold forging forming device of the present invention.
Fig. 5 is a schematic structural diagram of a third forming die in the locking seat cold forging forming device of the present invention.
Fig. 6 is a schematic view of the structure of the blank of the locking socket.
Fig. 7 is a schematic view of the first semi-finished latch seat.
Fig. 8 is a schematic view of the second semi-finished product of the locking seat.
Fig. 9 is a schematic view of the third semi-finished product of the locking seat.
Fig. 10 is a partially enlarged view of a portion a in fig. 3.
Fig. 11 is a partial enlarged view at B in fig. 5.
Description of reference numerals:
1. a locking seat; 11. internal teeth; 12. an outer tooth; 13. a special-shaped surface;
2. a first molding die; 21. a first forming punch module; 22. a first clamping main module; 23. a first positioning module; 24. a first punch bar;
3. a second molding die; 31. a second forming die block; 32. a second molded main module; 33. a second positioning module; 34. a second punch bar;
4. a third forming die; 41. a third forming punch module; 42. a third molded main module; 421. cutting edges; 43. a third positioning module; 44. a third stamping bar;
5. a blank; 6. a first semi-finished product; 61. a clamping block; 62. positioning holes; 7. a second semi-finished product; 8. and (5) a third semi-finished product.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to the drawings, the cold forging forming device for the locking seat comprises: a first molding die 2, a second molding die 3, a third molding die 4, and a robot. The mechanical arms are respectively arranged between the first forming die 2 and the second forming die 3 and between the second forming die 3 and the third forming die 4, and the conveying of workpieces among different dies is completed through the mechanical arms, so that automatic station conversion is realized. The manipulator may be a manipulator conventional in the art.
The first forming die 2 comprises a first forming punch module 21, a first clamping main module 22, a first positioning module 23 and a first punch bar 24, the first forming punch module 21 is located above the first clamping main module 22, and a first clamping main die cavity is arranged in the first clamping main module 22. Because the blank 5 and the semi-finished product are both circular, when the manipulator grabs the semi-finished product in the forming process, the semi-finished product is easy to rotate, and the forming accuracy of the workpiece on each station is influenced. Therefore, at least two planes which are symmetrically arranged are arranged on the side wall of the first clamping main die cavity, so that at least two symmetrical outer side planes can be formed on the blank 5 in the first clamping main die cavity, and the manipulator directly grabs the outer side planes of the semi-finished product, thereby preventing the semi-finished product from rotating when the stations are switched.
For the positioning accuracy of the semi-finished product in the second forming mold 3 and the third forming mold 4, the first positioning module 23 is located at the bottom of the first clamping main module 22, and a positioning hole 62 is formed at the bottom end of the blank 5 through the first positioning module 23, so that the semi-finished product can be accurately positioned in the second forming mold 3 and the third forming mold 4. The first positioning module 23 is symmetrically arranged with the central axis of the first clamping main cavity as an axis, that is, at least two symmetrical positioning holes 62 are arranged at the bottom end of the blank 5. The first positioning module 23, the second positioning module 33 and the third positioning module 43 are adapted in size.
The first punch 24 penetrates through the first clamping main module 22, the first punch 24 is provided with an external tooth form, and internal teeth 11 are extruded in the inner hole of the semi-finished product through the first punch 24.
The first positioning module 23 may be fixedly disposed at the bottom of the first forming main mold cavity, and the first positioning module 23 may also be movably disposed at the bottom of the first forming main mold cavity, that is, the first positioning module 23 passes through the first clamping main module 22, and at this time, the first punch 24 passes through the first positioning module 23. When the first positioning module 23 passes through the first clamping main module 22 and the molding is completed through the first molding die 2, the first positioning module 23 can be used as an ejector rod to eject the semi-finished product from the cavity of the first molding main die, so that the manipulator can conveniently grab the semi-finished product.
The second forming die 3 comprises a second forming punch module 31, a second forming main die module 32 and a second positioning module 33, the second forming punch module 31 is located above the second forming main die module 32, and a second forming main die cavity is arranged in the second forming main die module 32. The shape in the cavity of the second molding master die is the same as the external teeth 12 and the special-shaped surface 13 of the lock base 1, so that the external teeth 12 and the special-shaped surface 13 of the lock base 1 can be molded when the second molding punch block 31 and the second molding master die 32 are matched.
The second positioning module 33 is located at the bottom of the second main molding module 32, and the top end of the second positioning module 33 is tapered, so that when the semi-finished product falls into the cavity of the second main molding module, the tapered second positioning module 33 can play a guiding role, and the second positioning module 33 can be conveniently and accurately inserted into the positioning hole 62 of the semi-finished product.
To further form the internal teeth 11 of the locking seat 1, the second molding die 3 further includes a second punch 34, and the second punch 34 passes through the second molding main module 32. And, the second punch 34 forms a horizontal outward supporting force in the inner hole of the locking seat 1, so that the second forming main module 32 prevents the semi-finished product from deforming due to the horizontal inward extrusion force generated by the semi-finished product in the forming process through the second forming die 3.
The second positioning module 33 may be fixedly disposed at the bottom of the second forming main mold cavity, and the second positioning module 33 may also be movably disposed at the bottom of the second forming main mold cavity, that is, the second positioning module 33 passes through the second clamping main mold, and at this time, the second plunger 34 passes through the second positioning module 33. When the second positioning module 33 passes through the second clamping main module, after the second forming die 3 completes forming, the second positioning module 33 can be used as an ejector rod to eject the semi-finished product from the cavity of the second forming main die, so that the manipulator can conveniently grab the semi-finished product.
The third forming die 4 comprises a third forming punch block 41, a third forming main die block 42 and a third positioning block 43, the third forming punch block 41 is located above the third forming main die block 42, and a third forming main die cavity is arranged in the third forming main die block 42. The shape in the third molding master cavity is the same as the shape of the finished product of the locking seat 1, that is, the shape of the third molding master cavity is the same as the shapes of the external teeth 12 and the irregular surface 13 of the locking seat 1, so that when the third molding punch 41 and the third molding master 42 are closed, the clamping block 61 can be removed, and the forming of the finished product shape of the locking seat 1 is completed.
The side wall of the third forming main cavity is provided with a cutting edge 421, and the cutting edge 421 is disposed obliquely, that is, the contact surface between the cutting edge 421 and the blank 5 is an inclined surface. Therefore, the semi-finished product can be punched when the third forming main die cavity performs forming processing on the semi-finished product, and the third forming main die cavity also extrudes the semi-finished product inwards while punching due to the fact that the cutting edge 421 is obliquely arranged, so that the effect of punching while extruding is achieved. Through the setting of blade 421, need not the heating at normal atmospheric temperature and can accomplish the shaping of external tooth and do not leave the tear vestige, can satisfy the requirement of profile of tooth bright belt. The heating tooth punching die is changed into a half-punching and half-extruding normal-temperature tooth punching die, so that the process steps are simplified, and the operation can be completed at normal temperature.
When the height of the external teeth 12 of the lock base 1 is higher than a certain value (for example, 5cm), the external teeth 12 are formed by one-step molding through the second molding die 3, which is easy to leave tearing marks on the lock base 1 and affects the molding effect. In order to avoid the occurrence of the tear marks, the external teeth molding may be performed in two steps, a first step of molding the external teeth 12 of a partial height by the second molding die 3, and a second step of molding the external teeth 12 of the remaining height by the third molding die 4.
The shape in the cavity of the third molding main die is the same as the shape of the finished locking seat 1, that is, the side wall of the cavity of the third molding main die is internally toothed and is matched with the externally toothed part 12 of the locking seat 1. During the process of closing the third molding punch block 41 and the third molding main module 42, the outer teeth 12 having the remaining height are extruded while being punched by the cutting edge 421 of the third molding punch block 41.
The internal teeth 11 of the locking socket 1 can be formed in the first forming die 2, and the locking socket 1 has a certain height, so that waste materials generated during the formation of the internal teeth can not be completely removed in the first forming die 2. In order to be able to remove the waste material produced during the forming of the internal toothing completely, the third forming die 4 further comprises a third punch 44, the third punch 44 passing through the third forming main module 42, the third punch 44 being provided with an external toothing which is adapted to the external toothing on the first punch 24. In this way, the third plunger 44 presses the internal teeth 11 of the locking socket 1 without affecting the internal teeth, and the internal tooth waste can be completely removed from the locking socket 1. And, the third punch 44 forms a horizontal outward supporting force in the inner hole of the locking seat 1, so that the third forming main module 42 prevents the semi-finished product from deforming due to the horizontal inward extrusion force on the semi-finished product in the forming process through the third forming die 4.
A third locating module 43 is located at the bottom of the third forming main module 42 and a third punch 44 passes through the third forming main module 42. The top end of the third positioning module 43 is tapered, so that when the semi-finished product falls into the cavity of the third molding main mold, the tapered third positioning module 43 can play a guiding role, and the third positioning module 43 can be conveniently and accurately inserted into the positioning hole 62 of the semi-finished product.
The third positioning module 43 may be fixedly disposed at the bottom of the third forming main cavity, and the third positioning module 43 may also be movably disposed at the bottom of the third forming main cavity, that is, the third positioning module 43 passes through the third clamping main module, and at this time, the third plunger 44 passes through the third positioning module 43. When the third positioning module 43 passes through the third clamping main module, after the third forming mold 4 completes forming, the third positioning module 43 can be used as an ejector rod to eject the semi-finished product from the cavity of the third forming main module, so that the manipulator can conveniently grab the semi-finished product.
A forming process of the cold forging forming device according to the locking seat 1 comprises the following steps:
feeding: a cylindrical blank 5 is placed in the first gripping master cavity of the first gripping master module 22.
Molding of the clamping block 61 and the positioning hole 62: the first forming punch module 21 descends with the floating inner punch block, the blank 5 is extruded and filled in the first clamping main die cavity, and the clamping block 61 is formed by extrusion through the shape of the first clamping main die cavity in the filling process. The filled workpiece is fully contacted with the first positioning module 23, and a positioning hole 62 is formed at the bottom of the blank 5 through the first positioning module 23, so that the first semi-finished product 6 is obtained.
According to the characteristics of the workpiece of the locking seat 1, on the basis of not increasing raw materials, the forming clamping block 61 is used as a clamping and positioning reference of the subsequent forming process step, the asymmetrical workpiece is converted into a structure with a symmetrical upper section surface and an asymmetrical lower end surface, and the manipulator clamps the upper section surface (the clamping block) and transmits the upper section surface to the next station, so that the purpose of transferring the workpiece without rotation is achieved, and the accuracy of tooth lifting type mold entering is improved.
Formation of the internal teeth 11: the first punch 24 is lifted to fully contact with the first semi-finished product 6, and internal teeth are extruded and formed in the inner hole of the first semi-finished product 6 to obtain a second semi-finished product 7. The first positioning module 23 is raised to eject the second semi-finished product 7 out of the first clamping main cavity.
Molding of the external teeth 12 and the shaped surface 13: the robot removes the second semi-finished product 7 from the first molding die 2, places the second semi-finished product in the second molding cavity of the second main molding module 32, and raises the second positioning module 33 to receive the second semi-finished product 7. The second forming punch module 31 and the floating inner punch block move downwards, and the inner hole of the second semi-finished product 7 is accurately sleeved on the second punch rod 34 to continuously extrude and form the inner teeth.
And the second molding punch block 31 descends to be matched with the second molding main module 32, and the second semi-finished product 7 is extruded to form the outer teeth 12 and the special-shaped surface 13 through the shape of the second molding main die cavity, so that a third semi-finished product 8 is obtained.
In the step of external tooth molding, the external tooth molding may be completed in two steps: firstly, the second molding die 3 and a second molding main module 32 are matched in die through a second molding punch module 31 to extrude external teeth 12 with height of 1/3; in the second step, the outer teeth 12 having a height of 2/3 are extruded while being punched by the cutting edge 421 of the third molding main module 42 on the third molding die 4.
Removing internal tooth waste: the robot removes the third semi-finished product 8 from the second molding die 3, places the third semi-finished product in the third molding cavity of the third main molding module 42, and raises the third positioning module 43 to receive the third semi-finished product 8. The third forming punch module 41 and the floating inner punch block descend to accurately sleeve the inner hole of the third semi-finished product 8 into the third punch bar 44, the third forming punch module 41 descends and is matched with the third forming main module 42, and the first punch bar 24 ascends in the inner hole of the third semi-finished product 8 to extrude and remove the internal tooth waste in the third semi-finished product 8.
Removal of the clamping block 61: and the third molding punch block 41 descends to be matched with the third molding main module 42, and the clamping blocks 61 on the third semi-finished product 8 are extruded and removed through the shape of the third molding main die cavity to obtain a finished product.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a locking seat cold forging forming device which characterized in that includes:
the first forming die comprises a first forming punch module, a first clamping main module, a first positioning module and a first punch rod, the first forming punch module is positioned above the first clamping main module, and a first clamping main die cavity is arranged in the first clamping main module; the first positioning module is positioned at the bottom of the first clamping main module, the first punch rod penetrates through the first clamping main module, and the first punch rod is provided with an external tooth form;
the second forming die comprises a second forming punch module, a second forming main module and a second positioning module, the second forming punch module is positioned above the second forming main module, and a second forming main die cavity is arranged in the second forming main module; the second positioning module is positioned at the bottom of the second molding main module;
the third forming die comprises a third forming punch module, a third forming main module and a third positioning module, the third forming punch module is positioned above the third forming main module, a third forming main die cavity is arranged in the third forming main module, and a cutting edge is arranged on the side wall of the third forming main die cavity; the third positioning module is positioned at the bottom of the third forming main module; the sizes of the first positioning module, the second positioning module and the third positioning module are matched;
and the mechanical arms are respectively arranged between the first forming die and the second forming die and between the second forming die and the third forming die.
2. A locking seat cold forging forming device according to claim 1, wherein: the side wall of the first clamping main die cavity is at least provided with two planes which are symmetrically arranged.
3. A locking seat cold forging forming device according to claim 1, wherein: the first positioning module is symmetrically arranged by taking a central shaft of the first clamping main die cavity as an axis.
4. A locking seat cold forging forming device according to claim 1, wherein: the top ends of the second positioning module and the third positioning module are arranged to be conical.
5. A locking seat cold forging forming device according to claim 1, wherein: the cutting edge is obliquely arranged.
6. A locking seat cold forging forming device according to claim 1, wherein: the first forming die, the second forming die and the third forming die respectively comprise floating inner punching blocks, and the floating inner punching blocks respectively penetrate through the first forming die, the second forming die and the third forming die.
7. A locking seat cold forging forming device according to claim 1, wherein: the first positioning module penetrates through the first clamping main module, and the first punch rod penetrates through the first positioning module; the second positioning module penetrates through the second molding main module; the third positioning module passes through the third forming main module.
8. A locking seat cold forging forming device according to claim 1, wherein: the second forming die further comprises a second punch rod, the second punch rod penetrates through the second forming main module, and the second punch rod is provided with an outer tooth shape.
9. A locking seat cold forging forming device according to claim 1, wherein: the third forming die further comprises a third punch rod, the third punch rod penetrates through the third forming main module, and an external tooth shape is arranged on the third punch rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120729497.6U CN214866962U (en) | 2021-04-09 | 2021-04-09 | Locking seat cold forging forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120729497.6U CN214866962U (en) | 2021-04-09 | 2021-04-09 | Locking seat cold forging forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214866962U true CN214866962U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120729497.6U Active CN214866962U (en) | 2021-04-09 | 2021-04-09 | Locking seat cold forging forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214866962U (en) |
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2021
- 2021-04-09 CN CN202120729497.6U patent/CN214866962U/en active Active
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