CN220497744U - Die positioning device for improving product size precision - Google Patents
Die positioning device for improving product size precision Download PDFInfo
- Publication number
- CN220497744U CN220497744U CN202321663300.9U CN202321663300U CN220497744U CN 220497744 U CN220497744 U CN 220497744U CN 202321663300 U CN202321663300 U CN 202321663300U CN 220497744 U CN220497744 U CN 220497744U
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- zero
- chuck
- die
- sizing block
- positioning device
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- 238000004513 sizing Methods 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 241001397809 Hakea leucoptera Species 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 241000896693 Disa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a die positioning device for improving the dimensional accuracy of a product, which comprises a plate frame, wherein a clamping assembly is arranged in the plate frame, the clamping assembly comprises a sizing block, a blind rivet positioning pin, a zero positioning chuck and a quick-change disc, the sizing block is arranged in the plate frame, the zero positioning chuck is fixedly arranged at the top of the sizing block, the blind rivet positioning pin is fixedly arranged at the bottom of a die body, the lower end of the blind rivet positioning pin can extend into the zero positioning chuck and then is locked by steel balls in the zero positioning chuck, and the zero positioning chuck is communicated with a sub-disc in the quick-change disc through an air pipe; according to the utility model, through the zero point positioning chuck, the problems of uneven die, die locking damage and the like caused by uneven force in the screw locking process between the template frame and the die are effectively avoided, the locking time is saved, only the quick-change disc is started to switch on air pressure when the die body is replaced, the zero point positioning chuck can unlock the blind rivet positioning pin, and the quick-change of the die body is realized.
Description
Technical Field
The utility model relates to the technical field of automobile accessory production, in particular to a die positioning device for improving the dimensional accuracy of a product.
Background
The automobile is used as one of the modern common transportation means, people pay attention to the safety, the speed, the comfort and the endurance of the automobile during selection, so as the market demand is larger and larger, the selectivity is higher and the requirements on an automobile accessory factory are higher and higher, a plurality of accessories in an engine and a chassis in four components of the automobile are directly cast for ensuring the precision and the performance of the products, and the automobile is divided into two production lines of DISA and HWS in a casting factory, wherein the HWS production line is used for producing castings with large-size accessories and more demand, a traditional mode is adopted in production, a mould is not fast in a locating mode in a template frame, and a traditional locating pin is positioned, so that the automobile accessory is fast in abrasion, low in precision and low in speed.
For this purpose we propose a mould positioning device for improving the dimensional accuracy of the product.
Disclosure of Invention
It is an object of the present utility model to provide a mold positioning device for improving dimensional accuracy of a product, thereby solving or at least alleviating one or more of the above-mentioned problems and other problems of the prior art.
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
the die positioning device for improving the dimensional accuracy of the product comprises a plate frame, wherein a clamping assembly for fixing a die body is arranged in the plate frame;
the clamping assembly comprises a sizing block, a blind rivet locating pin, a zero locating chuck and a quick-change disc, wherein the sizing block is detachably arranged in the template frame, the zero locating chuck is fixedly arranged at the top of the sizing block, the blind rivet locating pin is fixedly arranged at the bottom of the die body, the lower end of the blind rivet locating pin can extend into the zero locating chuck and then is locked by steel balls in the zero locating chuck, the zero locating chuck is communicated with a sub-disc in the quick-change disc through an air pipe, and the sub-disc in the quick-change disc is fixedly arranged on the outer wall of one side of the template frame.
In the die positioning device for improving the dimensional accuracy of a product, four groups of zero positioning chucks are arranged on the top of the sizing block in a rectangular shape.
In the mold positioning device for improving the dimensional accuracy of a product, according to the utility model, the positioning pin is fixedly arranged at the inner bottom of the template frame, the pin sleeve is fixedly arranged at the bottom of the sizing block, and the upper end of the positioning pin can be inserted into the pin sleeve.
According to the die positioning device for improving the dimensional accuracy of the product, the four corners of the top of the sizing block are provided with the mounting holes, the bottom of the template frame is provided with the round holes communicated with the mounting holes, and the upper ends of the bolts penetrate through the round holes and the mounting holes and are fixedly connected with nuts through threads.
In the die positioning device for improving the dimensional accuracy of products, the blind rivet positioning pin is 12.5mm in height and 18mm in diameter.
In the die positioning device for improving the dimensional accuracy of a product, the zero point positioning chuck is 45.2mm in height and 70mm in diameter, and the bottom of the zero point positioning chuck is provided with a flange table with the diameter of 78mm.
In the die positioning device for improving the dimensional accuracy of products according to the utility model, the sizing block is 110mm high, 810mm long and 660mm wide.
According to the die positioning device for improving the dimensional accuracy of the product, the sizing block is hollowed.
The utility model has at least the following beneficial effects:
1. through the zero point positioning chuck that sets up, effectively avoided because of the uneven hard in the screw locking process between template frame and the mould body, and the mould body that leads to is uneven with mould body lock hinder scheduling problem, has saved locking time.
2. The traditional locating pin mode is changed into a blind rivet locating pin, the locating is changed from the upper side of the die body to the locating from the lower side of the die body, the locating is accurate, and the abrasion and collision of the previous locating pin are avoided.
3. When the die body is replaced, only the quick-change disc is started to be communicated with air pressure, the zero-point positioning chuck can unlock the blind rivet positioning pin, and then the die body can be directly lifted out, so that the die body is quickly replaced.
4. Unifies the operation of operators and improves the stability of products.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a sizing block according to the present utility model;
FIG. 3 is a schematic view of a partial cross-sectional structure of the present utility model;
fig. 4 is an enlarged schematic view of the portion a in fig. 1.
Reference numerals illustrate:
1. a template frame; 2. a positioning pin; 3. a pin sleeve; 4. sizing block; 5. a blind rivet positioning pin; 6. a zero point positioning chuck; 7. and (5) quickly replacing the disc.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.
Example 1
Referring to fig. 1 to 4, in the embodiment of the present utility model,
the utility model provides a mould positioner for promoting product dimensional accuracy, includes template frame 1, and template frame 1's inside is provided with the clamping assembly that is used for fixing the mould body;
the clamping assembly comprises a sizing block 4, a blind rivet locating pin 5, a zero locating chuck 6 and a quick-change disc 7, wherein the sizing block 4 is detachably arranged in the template frame 1, the zero locating chuck 6 is fixedly arranged at the top of the sizing block 4, the blind rivet locating pin 5 is fixedly arranged at the bottom of the die body, the lower end of the blind rivet locating pin 5 can extend into the zero locating chuck 6 and then is locked by steel balls in the zero locating chuck 6, the zero locating chuck 6 is communicated with a sub-disc in the quick-change disc 7 through an air pipe, and the sub-disc in the quick-change disc 7 is fixedly arranged on the outer wall of one side of the template frame 1.
Example two
Referring to fig. 1 to 4, in the embodiment of the present utility model,
the die positioning device for improving the dimensional accuracy of a product comprises a template frame 1 and a clamping assembly, wherein the clamping assembly is arranged in the template frame 1;
the clamping assembly used for fixing the die body comprises a sizing block 4, a blind rivet locating pin 5, a zero locating chuck 6 and a quick-change disc 7, wherein the sizing block 4 is detachably arranged in the die plate frame 1, the zero locating chuck 6 is 45.2mm high, the diameter is 70mm, a flange table is arranged at the bottom of the zero locating chuck 6, the diameter of the flange table is 78mm, the zero locating chuck 6 is fixedly arranged in a mounting groove formed in the top of the sizing block 4, the blind rivet locating pin 5 is 12.5mm high, the diameter of the blind rivet locating pin 18mm is fixedly arranged in a groove formed in the bottom of the die body, the lower end of the blind rivet locating pin 5 can extend into the zero locating chuck 6 and then is locked by steel balls in the zero locating chuck 6, the zero locating chuck 6 is communicated with a sub disc in the quick-change disc 7 through an air pipe, and the sub disc in the quick-change disc 7 is fixedly arranged on the outer wall of one side of the die plate frame 1.
In order to improve the stability of the clamping of the die body, the zero point positioning chucks 6 are provided with four groups, and the four groups of zero point positioning chucks 6 are rectangular and are arranged at the top of the sizing block 4.
In order to facilitate the quick positioning of the sizing block 4 on the template frame 1, a positioning pin 2 is fixedly arranged at the inner bottom of the template frame 1, a pin bush 3 is fixedly arranged at the bottom of the sizing block 4, the upper end of the positioning pin 2 can be inserted into the pin bush 3, and the pin bush 3 adopts a pin bush with a flange table and the diameter of which is 20 mm.
Mounting holes are formed in four corners of the top of the sizing block 4, round holes communicated with the mounting holes are formed in the bottom of the template frame 1, nuts are fixedly connected with the upper ends of bolts through the round holes and the mounting holes in a threaded mode, and the sizing block 4 can be detached through the technical scheme.
Under the condition that the die body is effectively supported, the sizing block 4 is arranged in a hollowed-out mode, the weight of the sizing block 4 is reduced, and the sizing block 4 is designed to be 110mm in height, 810mm in length and 660mm in width.
In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.
Working principle: the master disc in the quick-change disc 7 is connected with the sub disc in the quick-change disc 7 arranged on the template frame 1 in a butt joint mode to carry out ventilation control air pressure, then the ventilation control air pressure is input into the zero-point positioning chuck 6 through an air pipe, the internal locking steel balls are opened after the zero-point positioning chuck 6 is connected with air, then the die body provided with the rivet positioning pins 5 is placed into the template frame 1, the lower ends of the rivet positioning pins 5 can be inserted into the zero-point positioning chuck 6, then the quick-change disc 7 is closed with air pressure, the zero-point positioning chuck 6 does not have air pressure, the locking steel balls can lock the rivet positioning pins 5 through the original positions of springs in the zero-point positioning chuck 6, then the master disc in the quick-change disc 7 is separated from the sub disc, and the template frame 1 provided with the template body can enter a machine to be produced.
While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (8)
1. The die positioning device for improving the dimensional accuracy of the product is characterized by comprising a template frame (1), wherein a clamping assembly for fixing a die body is arranged in the template frame (1);
the clamping assembly comprises a sizing block (4), a blind rivet locating pin (5), a zero locating chuck (6) and a quick-change disc (7), wherein the sizing block (4) is detachably arranged in the template frame (1), the zero locating chuck (6) is fixedly arranged at the top of the sizing block (4), the blind rivet locating pin (5) is fixedly arranged at the bottom of the die body, the lower end of the blind rivet locating pin (5) can extend into the zero locating chuck (6) and then is locked by steel balls in the zero locating chuck (6), the zero locating chuck (6) is communicated with a sub-disc in the quick-change disc (7) through an air pipe, and the sub-disc in the quick-change disc (7) is fixedly arranged on the outer wall of one side of the template frame (1).
2. A die positioning device for improving dimensional accuracy of a product according to claim 1, wherein: the zero point positioning chucks (6) are provided with four groups, and the four groups of zero point positioning chucks (6) are rectangular and are arranged at the top of the sizing block (4).
3. A die positioning device for improving dimensional accuracy of a product according to claim 2, wherein: the locating device is characterized in that a locating pin (2) is fixedly arranged at the inner bottom of the template frame (1), a pin sleeve (3) is fixedly arranged at the bottom of the sizing block (4), and the upper end of the locating pin (2) can be inserted into the pin sleeve (3).
4. A die positioning device for improving dimensional accuracy of a product according to claim 3, wherein: mounting holes are formed in four corners of the top of the sizing block (4), round holes communicated with the mounting holes are formed in the bottom of the template frame (1), and nuts are fixedly connected to the upper ends of bolts through the round holes and the mounting holes in a threaded mode.
5. A die positioning device for improving dimensional accuracy of a product according to claim 1, wherein: the blind rivet locating pin (5) is 12.5mm high and 18mm in diameter.
6. A die positioning device for improving dimensional accuracy of a product according to claim 5, wherein: the zero point positioning chuck (6) is 45.2mm in height and 70mm in diameter, a flange table is arranged at the bottom of the zero point positioning chuck (6), and the diameter of the flange table is 78mm.
7. A die positioning device for improving dimensional accuracy of a product according to claim 1, wherein: the sizing block (4) is 110mm in height, 810mm in length and 660mm in width.
8. A die positioning device for improving dimensional accuracy of a product as set forth in claim 7, wherein: the sizing block (4) is hollowed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321663300.9U CN220497744U (en) | 2023-06-28 | 2023-06-28 | Die positioning device for improving product size precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321663300.9U CN220497744U (en) | 2023-06-28 | 2023-06-28 | Die positioning device for improving product size precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220497744U true CN220497744U (en) | 2024-02-20 |
Family
ID=89874497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321663300.9U Active CN220497744U (en) | 2023-06-28 | 2023-06-28 | Die positioning device for improving product size precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220497744U (en) |
-
2023
- 2023-06-28 CN CN202321663300.9U patent/CN220497744U/en active Active
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