CN217858317U - Special tool for stamping counter bore - Google Patents
Special tool for stamping counter bore Download PDFInfo
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- CN217858317U CN217858317U CN202221549485.6U CN202221549485U CN217858317U CN 217858317 U CN217858317 U CN 217858317U CN 202221549485 U CN202221549485 U CN 202221549485U CN 217858317 U CN217858317 U CN 217858317U
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- counter bore
- via hole
- punch
- die
- fixing seat
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Abstract
The utility model designs a special tool for processing stamping counter bores, which comprises a die holder, a counter bore processing mechanism, a via hole shaping mechanism, a guide mechanism, a material returning mechanism, a material leaking mechanism and a positioning mechanism; the utility model discloses a counter bore processing agency and via hole plastic mechanism, the device mainly utilizes counter bore drift and via hole drift shape to make spare part produce deformation and shearing in the design process, and control the depth of processing between the two shape and the size that come the control counter bore, the via hole drift of via hole plastic mechanism highly can process out required shape when the counter bore drift of guarantee counter bore processing mechanism highly, the via hole drift of via hole plastic mechanism will run through by the processing material, guarantee via hole is accomplished, the punching press processing of thick plate material counter bore has been realized, the production efficiency is improved, the product quality is promoted, guarantee is provided for productivity promotion and follow-up assembly guarantee.
Description
Technical Field
The utility model relates to the field of mechanical engineering, especially, relate to a special frock of punching press counter bore processing.
Background
The heavy truck frame cross beam and the longitudinal beam are connected through the connecting plate, the fasteners are rivets, due to the fact that related problems such as design exist, interference can occur to partial rivet holes through common rivets, the counter bore flat riveting mode is adopted in the design, and in order to achieve machining of counter bores on parts, the current technological mode is a drilling machine sliding hole, but due to the fact that machining efficiency is low, product consistency is poor, and later-stage assembly quality and overall productivity of a workshop are seriously affected.
In order to improve the processing production efficiency and the product quality, the existing equipment condition of a workshop is combined, a stamping lathe with high stability and high production efficiency is determined to be adopted for processing, so that the existing processing technology needs to be improved, and a corresponding special tool for stamping counter bore processing is manufactured to realize the improvement of the production efficiency and the improvement of the product quality.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a special frock of punching press counter bore processing has realized the punching press processing of thick sheet material counter bore, has improved production efficiency, has promoted product quality, and it ensures to provide the guarantee to promote and follow-up assembly for the productivity.
The utility model discloses an adopt following technical scheme to realize:
a special tool for processing a stamping counter bore comprises a die holder, a counter bore processing mechanism and a via hole shaping mechanism; the die holder comprises an upper die holder and a lower die holder, and the counter bore machining mechanism and the via hole shaping mechanism are respectively arranged between the upper die holder and the lower die holder;
the counter bore processing agency includes: the punch fixing seat comprises a punch fixing seat base plate, a punch fixing seat, a counter bore punch, a counter bore concave die fixing seat and a counter bore concave die fixing seat base plate;
the via hole reshaping mechanism comprises: the through hole fixing seat cushion plate comprises a through hole fixing seat, a through hole punch, a through hole female die fixing seat and a through hole female die fixing seat cushion plate;
the counter bore punch is matched with the counter bore die, and the via hole punch is matched with the via hole die.
Preferably, the counter bore die is a solid body.
Preferably, the height of the counter bore punch and the height of the through hole punch are matched.
Preferably, the die further comprises a guide mechanism, the guide mechanism is arranged between the upper die holder and the lower die holder, and the guide mechanism comprises a guide sleeve and a guide pillar which slides in the guide sleeve.
Preferably, the punching die further comprises a material returning mechanism, wherein the material returning mechanism comprises a material returning spring, a pull rod bolt and a material returning plate, the material returning plate is arranged between the punch fixing seat and the counter bore female die fixing seat, and the counter bore punch and the via hole punch respectively and detachably penetrate through the material returning plate; the material returning plate is provided with a first end of a pull rod bolt, the middle of the pull rod bolt is sleeved with a material returning spring, and a second end of the pull rod bolt is connected with the upper die base in a sliding mode.
Preferably, the material leakage mechanism is used for processing an inclined plane on the material leakage cushion block, the material leakage mechanism is arranged between the lower die base and the counter bore female die fixing base cushion plate, and the inclined plane is arranged below the via hole female die.
Preferably, the device further comprises a positioning mechanism, and the positioning mechanism is a pin.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a counter bore processing agency and via hole plastic mechanism, the device mainly utilizes counter bore drift and via hole drift shape to make spare part produce deformation and shearing in the design process, and control the depth of processing between the two shape and the size that come the control counter bore, the via hole drift of via hole plastic mechanism highly can process out required shape when the counter bore drift of guarantee counter bore processing mechanism highly, the via hole drift of via hole plastic mechanism will run through by the processing material, guarantee via hole is accomplished, the punching press processing of thick plate material counter bore has been realized, the production efficiency is improved, the product quality is promoted, guarantee is provided for productivity promotion and follow-up assembly guarantee.
Drawings
The utility model is further described with the following drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the positioning mechanism of the present invention;
fig. 3 is a schematic view of the height relationship between the counter bore punch and the via hole punch of the present invention.
Description of the reference numerals
1. A die holder; 11. an upper die holder; 12. a lower die holder; 2. a counter bore machining mechanism; 21. the punch fixes the seat cushion plate; 22. a punch fixing seat; 23. a counter bore punch; 24. a counter bore female die; 25. a counter bore female die fixing seat; 26. fixing a seat cushion plate by using a counter bore female die; 27. a counter bore fastening bolt; 3. a via hole reshaping mechanism; 31. a via punch; 32. a via hole female die; 4. a material returning mechanism; 41 a material returning spring; 42 draw-bar bolts; 43 a material returning plate; 5. a material leaking mechanism; 6. a guide mechanism; 61. a guide sleeve; 62. a guide post; 7-a positioning mechanism; 71. and (7) positioning the holes.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The embodiment is as follows:
referring to fig. 1 to 3, a special tool for stamping a counterbore comprises a die holder 1, a counterbore processing mechanism 2 and a via hole shaping mechanism 3; the die holder 1 comprises an upper die holder 11 and a lower die holder 12, wherein the upper die holder 11 and the lower die holder 12 are integral frames of the die holder 1, provide installation positions for all parts and provide connection tasks between a die and a machine tool; the counter bore processing mechanism 2 and the via hole shaping mechanism 3 are respectively arranged between the upper die holder 11 and the lower die holder 12;
the counter bore processing mechanism 2 consists of a punch fixing seat cushion plate 21, a punch fixing seat 22, a counter bore punch 23, a counter bore die 24, a counter bore die fixing seat 25, a counter bore die fixing seat cushion plate 26 and a counter bore fastening bolt 27; the punch fixing seat cushion plate 21 and the punch fixing seat 22 are fixedly connected below the upper die holder 11 through the counter bore fastening bolts 27 in sequence, and the counter bore die fixing seat cushion plate 26 and the counter bore die fixing seat 25 are fixedly connected above the lower die holder 12 through the counter bore fastening bolts 27 in sequence and are used for fixing the counter bore punch 23 and the counter bore die 24 at the die holder fixing positions and supporting force generated in the punching process;
the via hole shaping mechanism 3 consists of a via hole fixing seat base plate, a via hole fixing seat, a via hole punch 31, a via hole female die 32, a via hole female die fixing seat base plate and a via hole fastening bolt; similarly, the via hole fixing seat cushion plate and the via hole fixing seat are fixedly connected below the upper die base 11 through via hole fastening bolts in sequence, and the via hole female die fixing seat cushion plate and the via hole female die fixing seat are fixedly connected above the lower die base 12 through via hole fastening bolts and are used for fixing the via hole punch 31 and the via hole female die 32 at the die base fixing positions and providing support for force generated in the punching process;
the counter bore punch 23 is matched with the counter bore die 24, the counter bore punch 23 and the counter bore die 24 are working components, the counter bore punch 23 can be selected or designed according to the shape of a counter bore, the counter bore punch 23 extends outwards for a short distance at the bottom end of the counter bore, in the embodiment, for example, the diameter of 15mm is the required size of a part hole, the hole with the diameter of 15mm is firstly processed into a hole with the diameter of 14mm, the hole with the diameter of 14mm is selected so that enough material can form the material thickness of a hanging ring position according with the shearing position in the via hole process and the material width of the hanging ring accord with the relevant shearing relation, the counter bore punch 23 is selected to extend to the diameter of 14mm, and the counter bore punch 23 extending to the diameter of 14mm is selected so as to ensure that the part processing error cannot cause the step at the bottom of the counter bore in the via hole process and provide sufficient space for the material flow of the hanging ring at the bottom of the counter bore in the via hole process;
the counter bore die 24 is a solid body, and the counter bore die have certain hardness, so that the counter bore shape of a workpiece material to be processed can be processed according to the shape of the counter bore punch 23 in the counter bore processing process, and redundant material flows at the bottom of the counter bore to form a constant-thickness hanging ring; in the embodiment, a counter bore punch 23 with a diameter of 14mm punches a hole with a diameter of 14mm of a processed material, the processing process is a material flowing process, the material flows to the upper plane by multiple verification during processing, but the material flows to the hole more, so that a material thickness equal hanging loop is formed, and a dotted line rectangular frame in fig. 3 is the position of the material thickness equal hanging loop;
the via hole punch 31 is matched with the via hole die 32, and the via hole shaping mechanism 3 is basically similar to the counter bore processing mechanism 2, and is different from the via hole punch 31 and the via hole die 31 of the via hole shaping mechanism 3; the via hole punch 31 is a punch with the same shape of a counter bore bottom hole, and the via hole die 32 can be selected or designed according to a blanking bottom equal-thickness hanging ring, and is used for machining the bottom hole and guaranteeing the shape of the bottom hole; in the embodiment, a through hole punch 31 with the diameter of 15mm is selected to punch through holes of the peer-to-peer thick hanging ring;
the height of the counter bore punch 23 is matched with that of the through hole punch 31, and when the upper die base 11 descends to a certain height, the counter bore punch 23 can process the required counter bore shape and the through hole punch 31 finishes the through hole shaping work; namely, as the die holder 1 is shared, the position of the counter bore punch of the counter bore processing mechanism and the position of the via hole punch of the via hole shaping mechanism are simultaneously carried out up and down in the working process, the device mainly controls the processing depth of the counter bore punch 23 and the via hole punch 31 to control the shape and the size of the counter bore in the design process, the height of the via hole punch 31 of the via hole shaping mechanism ensures that the counter bore punch 23 of the counter bore processing mechanism is proper, and the via hole punch 31 of the via hole shaping mechanism penetrates through the processed material to ensure that the via hole is completed. (as shown in FIG. 3)
The die comprises an upper die holder 11, a lower die holder 12, a guide mechanism 6, a guide rod 62 and a guide rod support, wherein the guide mechanism 6 is arranged between the upper die holder 11 and the lower die holder 12; the function is to ensure the corresponding position degree between the upper die base 11 and the lower die base 12, so that the mutual working relation of the upper die base and the lower die base is kept stable.
The punching head further comprises a material returning mechanism 4, the material returning mechanism 4 comprises a material returning spring 41, a draw-bar bolt 42 and a material returning plate 43, the material returning plate 43 is arranged between the punching head fixing seat 22 and the counter bore concave die fixing seat 24, and the counter bore punching head 23 and the through hole punching head 31 can penetrate through the material returning plate 43 through holes of the material returning plate 43 respectively; a first end of a pull rod bolt 42 is arranged on the stripper plate 43, a stripper spring 41 is sleeved in the middle of the pull rod bolt 42, and a second end of the pull rod bolt 42 is connected with the upper die base 11 in a sliding manner; meanwhile, a spring can be arranged between the material returning plate 43 and the upper die base 11, and the effect is that the counter bore processing mechanism and the via hole shaping mechanism are adhered to the counter bore punch 23 and the via hole punch 31 due to the fact that materials are extruded to deform and subjected to blanking, and the processed piece is separated from the adhered counter bore punch 23 and the adhered via hole punch 31 by the material returning mechanism, so that continuous work can be realized.
The material leakage mechanism 5 is used for processing an inclined plane on a material leakage cushion block, the material leakage mechanism 5 is arranged between the lower die holder 12 and the counter bore female die fixing seat cushion plate 26, and the inclined plane is arranged below the via hole female die 32; the effect is that via hole plastic mechanism can produce the waste material, through the inclined plane with the waste material discharge the device outside, the personnel of being convenient for clear up can not influence production and damage mould because of the waste material backlog.
The positioning mechanism 7 is of a pin structure, the pin is detachably connected with the positioning hole 71 on the machined workpiece, and the pin is matched with the positioning hole 71 to be positioned, so that the machined workpiece can be placed at a machining position; the positioning hole 71 is a hole without a counter bore, and has a certain position degree requirement between the workpiece to be processed and the processing hole, and the positioning hole 71 is used for positioning because the positioning hole 71 is not processed in the processing process;
the working principle is as follows: in this embodiment, for example, the diameter 15mm is the required size of a part hole, the hole with the diameter 15mm is firstly processed into a hole with the diameter 14mm, and a positioning hole or a positioning edge is processed;
placing the process piece processed in the previous sequence into a counter bore processing mechanism 2 of the device, positioning by using a hole or an edge, moving by using a punch, punching by using a counter bore punch 23, and processing the shape of a counter bore and a constant-thickness hanging ring at the bottom of the counter bore due to material flow by using a counter bore die 24;
the processed process piece of the counter bore processing mechanism 2 of the device is placed into the through hole shaping mechanism 3 of the device, the punch moves, the through hole punch 31 passes through the through hole, the passing die 32 punches the bottom equal-thickness hanging ring to form the shape of the finally required part, the final diameter 15mm is the size required by the part hole, and the size required by the part is finally achieved through the through hole.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. A special tool for processing a stamping counter bore is characterized by comprising a die holder (1), a counter bore processing mechanism (2) and a via hole shaping mechanism (3); the die holder (1) comprises an upper die holder (11) and a lower die holder (12), and the counter bore machining mechanism (2) and the via hole shaping mechanism (3) are respectively arranged between the upper die holder (11) and the lower die holder (12);
the counter bore machining mechanism (2) comprises: the punch fixing seat comprises a punch fixing seat base plate (21), a punch fixing seat (22), a counter bore punch (23), a counter bore die (24), a counter bore die fixing seat (25) and a counter bore die fixing seat base plate (26);
the via hole reshaping mechanism (3) comprises: the through hole fixing seat cushion plate comprises a through hole fixing seat cushion plate, a through hole fixing seat, a through hole punch (31), a through hole female die (32), a through hole female die fixing seat and a through hole female die fixing seat cushion plate;
the counter bore punch head (23) is matched with the counter bore concave die (24), and the via hole punch head (31) is matched with the via hole concave die (32).
2. The tooling special for stamping counterbore processing as set forth in claim 1 wherein said counterbore cavity die (24) is a solid body.
3. The special tool for punching the counter bore according to claim 1, wherein the height of the counter bore punch (23) and the height of the through hole punch (31) are matched.
4. The special tool for stamping the counter bore according to claim 1, further comprising a guide mechanism (6), wherein the guide mechanism (6) is arranged between the upper die holder (11) and the lower die holder (12), and the guide mechanism (6) comprises a guide sleeve (61) and a guide post (62) sliding in the guide sleeve (61).
5. The special tool for punching the counter bore according to claim 1, further comprising a material returning mechanism (4), wherein the material returning mechanism (4) comprises a material returning spring (41), a pull rod bolt (42) and a material returning plate (43), the material returning plate (43) is arranged between the punch fixing seat (22) and the counter bore die fixing seat (25), and the counter bore punch (23) and the via hole punch (31) respectively and detachably penetrate through the material returning plate (43); the material returning plate (43) is provided with a first end of a pull rod bolt (42), the middle of the pull rod bolt (42) is sleeved with a material returning spring (41), and a second end of the pull rod bolt (42) is in sliding connection with the upper die base (11).
6. The special tool for stamping the counter bore according to claim 1, further comprising a material leaking mechanism (5), wherein the material leaking mechanism (5) is used for machining an inclined surface on a material leaking cushion block, the material leaking mechanism (5) is arranged between the lower die base (12) and the counter bore die fixing base plate (26), and the inclined surface is arranged below the via hole die (32).
7. The special tool for the stamping of the counter bore according to claim 1, further comprising a positioning mechanism (7), wherein the positioning mechanism is a pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221549485.6U CN217858317U (en) | 2022-06-21 | 2022-06-21 | Special tool for stamping counter bore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221549485.6U CN217858317U (en) | 2022-06-21 | 2022-06-21 | Special tool for stamping counter bore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217858317U true CN217858317U (en) | 2022-11-22 |
Family
ID=84096977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221549485.6U Active CN217858317U (en) | 2022-06-21 | 2022-06-21 | Special tool for stamping counter bore |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217858317U (en) |
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2022
- 2022-06-21 CN CN202221549485.6U patent/CN217858317U/en active Active
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