CN220481524U - Composite transition chain link press-fitting die - Google Patents
Composite transition chain link press-fitting die Download PDFInfo
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- CN220481524U CN220481524U CN202321025261.XU CN202321025261U CN220481524U CN 220481524 U CN220481524 U CN 220481524U CN 202321025261 U CN202321025261 U CN 202321025261U CN 220481524 U CN220481524 U CN 220481524U
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- 230000007704 transition Effects 0.000 title claims abstract description 34
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 238000003825 pressing Methods 0.000 claims description 32
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000007723 die pressing method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a composite transition chain link press-fitting die, which relates to the technical field of press-fitting dies and comprises an upper press die, a lower press die, an inner chain plate press-fitting structure and a transition chain plate press-fitting structure, wherein a middle press die is arranged in parallel between the upper press die and the lower press die, a plurality of groups of die press-fitting nails are arranged at the rear part of the lower end face of the upper press die, sample shaft pins are arranged at the left part and the right part of a groove formed in the middle of the upper end face of the lower press die, the shaft pins are hinged with the inner chain plate press-fitting structure and the transition chain plate press-fitting structure, and the left part of the transition chain plate press-fitting structure is sleeved in the right part of the inner chain plate press-fitting structure; a plurality of groups of die hole guide nails are arranged in a groove formed in the middle of the upper end face of the lower die. According to the utility model, through a positioning mode of combining hole positioning and shape positioning, the accurate positioning of a single joint and a transition chain plate in the composite transition chain link is realized, the press mounting efficiency in the production process is improved, and the quality of the press-mounted product is ensured.
Description
Technical Field
The utility model relates to the technical field of press-fitting dies, in particular to a composite transition chain link press-fitting die.
Background
For the press fitting of the structure with holes, a core rod is firstly adopted to manually penetrate through the step pin shaft, then the core rod is manually taken out, the step pin shaft is positioned, and then the press fitting is carried out through a hydraulic press. In the specification of the comparison document CN207629120U, it is mentioned that the first positioning device is fixed on the spring base and is used for horizontally positioning and supporting the step outer link plate, one end of the step outer link plate is provided with a plate hole, the other end of the step outer link plate is provided with a pin shaft, the spring base is provided with an elastic element, the second positioning device is movably connected on the spring base and is elastically supported by the elastic element, but the link press-mounting die in the comparison document mainly depends on hole positioning or contour positioning in the press-mounting process, so that accurate positioning cannot be realized, and the die operation is unstable after press-mounting.
Disclosure of Invention
In order to overcome the defects existing in the prior art, a composite transition chain link press-fitting die is provided at present to solve the problem that the die operation is unstable after press-fitting due to the fact that the parts are positioned by holes or by shapes in the press-fitting process, and the accurate positioning cannot be realized.
In order to achieve the above purpose, a composite transition chain link press-mounting die is provided, relates to press-mounting die technical field, including last moulding-die, lower moulding-die, interior chain board press-mounting structure and transition chain board press-mounting structure, go up the moulding-die and be provided with the well moulding-die between the lower moulding-die in parallel, and the lower terminal surface rear portion of going up the moulding-die is provided with multiunit mould and pushes down the nail, the appearance pivot is all installed to the left and right sides of the recess of seting up in the up end middle part of lower moulding-die, articulated on the pivot have interior chain board press-mounting structure and transition chain board press-mounting structure, and the left portion cover of transition chain board press-mounting structure is put in interior chain board press-mounting structure's right part.
Further, a plurality of groups of die hole guide nails are arranged in the groove formed in the middle of the upper end face of the lower pressing die, and the die hole guide nails are located on the central line of the groove of the upper end face of the lower pressing die.
Further, a plurality of groups of appearance locating holes are formed in the front portion and the rear portion of the middle pressing die, small guide holes are formed in the middle of the lower end face of the middle pressing die, and die hole guide nails and the small guide holes are vertically aligned.
Further, a group of die guide nails are arranged at the left rear corner and the right front corner of the upper end face of the lower pressing die, large guide holes are formed in the left front corner and the right rear corner of the lower pressing die, a group of die guide nails are arranged at the left front part and the right rear part of the upper pressing die and the middle pressing die, a group of large guide holes are formed in the left rear part and the right front part of the upper pressing die and the middle pressing die, and the upper die guide nails and the lower die guide nails are matched with the large guide holes.
Further, the rear ends of the left side and the right side of the upper end face of the lower pressing die are respectively provided with a second external positioning nail, the front ends of the left side and the right side of the upper end face of the lower pressing die are respectively provided with a third external positioning nail, and the third external positioning nails and the second external positioning nails are in front-to-back symmetry relative to the central line of the lower pressing die.
Further, the left and right rear sides of the upper end face of the lower pressing die are respectively provided with a first appearance positioning nail, the front sides of the left and right front sides of the upper end face of the lower pressing die are respectively provided with a fourth appearance positioning nail, and the fourth appearance positioning nails and the first appearance positioning nails are in front-to-back symmetry relative to the central line of the lower pressing die.
The utility model has the beneficial effects that:
1. the die guide nails and the die hole guide nails are arranged for positioning the die frame structure among the upper die, the middle die and the lower die, so that the positioning is convenient and trouble is saved.
2. The utility model is beneficial to solving the problems that when the part is positioned in the shape, the dimensional accuracy of the die and the external dimension of the part are high, and the part is not easy to take out after the press mounting is finished;
3. meanwhile, the utility model is beneficial to solving the problems that the press mounting efficiency is low and the parts cannot be well positioned when the parts are positioned in a hole mode, so that the tight joint and the damage of the parts after the press mounting are avoided.
Drawings
FIG. 1 is an effect diagram of an embodiment of the present utility model;
FIG. 2 is a partially developed view of a lower die according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of an inner link plate press-fitting structure according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a press-fitting structure of a transition link plate according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a transitional link plate press-fitting structure and a transitional link plate press-fitting structure according to an embodiment of the present utility model.
In the figure: 1. performing upper pressing; 2. a middle press mold; 3. pressing down the die; 4. pressing nails under a mould; 5. a die guide pin; 6. a first profile locating peg; 7. a second contoured locating pin; 8. a die hole guide pin; 9. a third profile locating pin; 10. a fourth external locating pin; 11. an inner link plate press-fitting structure; 12. a transition chain plate press-fitting structure; 13. a shaft pin.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clearly apparent, the present utility model is further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are offered by way of illustration only and not as limitations of the utility model, and specific details such as particular system architectures, techniques, etc. may be set forth in order to provide a more thorough understanding of the embodiments of the utility model. The described embodiments are some, but not all, embodiments of the present disclosure. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
Specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.
Fig. 1 is an effect diagram of an embodiment of the present utility model, fig. 2 is a schematic view of a partial structure development on a lower die of an embodiment of the present utility model, fig. 3 is a schematic view of an inner link plate press-fitting structure of an embodiment of the present utility model, fig. 4 is a schematic view of a transition link plate press-fitting structure of an embodiment of the present utility model, and fig. 5 is a schematic view of a transition link plate press-fitting structure of an embodiment of the present utility model and a transition link plate press-fitting structure mounted together.
Referring to fig. 1 to 5, the utility model provides a composite transition chain link press-fitting die, which relates to the technical field of press-fitting dies and comprises an upper press die 1, a lower press die 3, an inner chain plate press-fitting structure 11 and a transition chain plate press-fitting structure 12, wherein a middle press die 2 is arranged between the upper press die 1 and the lower press die 3 in parallel, a plurality of groups of die press-fitting nails 4 are arranged at the rear part of the lower end surface of the upper press die 1, a sample shaft pin 13 is arranged at the left part and the right part of a groove formed in the middle of the upper end surface of the lower press die 3, the inner chain plate press-fitting structure 11 and the transition chain plate press-fitting structure 12 are hinged on the shaft pin 13, and the left part of the transition chain plate press-fitting structure 12 is sleeved in the right part of the inner chain plate press-fitting structure 11.
In the embodiment, a plurality of groups of die hole guide nails 8 are arranged in a groove formed in the middle of the upper end face of the lower die 3, and the die hole guide nails 8 are positioned on the central line of the groove of the upper end face of the lower die 3; the front part and the rear part of the middle pressing die 2 are provided with a plurality of groups of appearance positioning holes, the middle part of the lower end surface of the middle pressing die 2 is provided with a small guide hole, and the die hole guide nails 8 are vertically aligned with the small guide holes; the left rear corner and the right front corner of the upper end face of the lower pressing die 3 are respectively provided with a group of die guide nails 5, the left front corner and the right rear corner of the lower pressing die 3 are respectively provided with a large guide hole, the left front part and the right rear part of the upper pressing die 1 and the middle pressing die 2 are respectively provided with a group of die guide nails 5, the left rear part and the right front part of the upper pressing die 1 and the middle pressing die 2 are respectively provided with a group of large guide holes, and the upper and lower corresponding die guide nails 5 are matched with the large guide.
As a preferred embodiment, the die guide pins 5 and the die hole guide pins 8 are provided for positioning the die frame structure between the upper die 1, the middle die 2 and the lower die 3, which is convenient and trouble-free.
In the embodiment, the rear ends of the left side and the right side of the upper end surface of the lower die 3 are provided with the second external positioning nails 7, the front ends of the left side and the right side of the upper end surface of the lower die 3 are provided with the third external positioning nails 9, and the third external positioning nails 9 and the second external positioning nails 7 are in front-back symmetry about the central line of the lower die 3; the left and right rear sides of the upper end surface of the lower die 3 are provided with first external positioning nails 6, the front sides of the left and right front sides of the upper end surface of the lower die 3 are provided with fourth external positioning nails 10, and the fourth external positioning nails 10 and the first external positioning nails 6 are in front-back symmetry about the central line of the lower die 3.
As a preferred implementation mode, the utility model is beneficial to solving the problems that when the part is positioned in the shape, the requirement on the dimensional precision of the die and the external dimension of the part is high, and the part is not easy to take out after the press mounting is finished;
meanwhile, the utility model is beneficial to solving the problems that the press mounting efficiency is low and the parts cannot be well positioned when the parts are positioned in a hole mode, so that the tight joint and the damage of the parts after the press mounting are avoided;
the utility model can effectively solve the problem that the operation of the die is unstable after the press fitting because the parts are positioned by holes or by shapes in the press fitting process, and the utility model can realize the accurate positioning of a single section and a transition chain plate in the composite transition chain link by combining the hole positioning and the shape positioning, thereby improving the press fitting efficiency in the production process and ensuring the quality of the product after the press fitting.
The above-described embodiments are intended to illustrate the present utility model, not to limit it, and any modifications and variations made to the present utility model within the spirit of the utility model and the scope of the claims should be included in the scope of the present utility model.
Claims (6)
1. The utility model provides a compound transition chain link pressure equipment mould, relates to pressure equipment mould technical field, including last moulding-die (1), lower moulding-die (3), interior chain board pressure equipment structure (11) and transition chain board pressure equipment structure (12), its characterized in that: middle pressing dies (2) are arranged in parallel between the upper pressing dies (1) and the lower pressing dies (3), a plurality of groups of die pressing nails (4) are arranged at the rear part of the lower end face of the upper pressing dies (1), sample shaft pins (13) are arranged at the left part and the right part of a groove formed in the middle of the upper end face of the lower pressing dies (3), an inner chain plate press-mounting structure (11) and a transition chain plate press-mounting structure (12) are hinged on the shaft pins (13), and the left part of the transition chain plate press-mounting structure (12) is sleeved in the right part of the inner chain plate press-mounting structure (11).
2. The composite transition chain link press-fitting die according to claim 1, wherein a plurality of groups of die hole guide nails (8) are arranged in grooves formed in the middle of the upper end face of the lower die (3), and the die hole guide nails (8) are located on the central line of the grooves of the upper end face of the lower die (3).
3. The composite transition chain link press-fitting die according to claim 1, wherein a plurality of groups of appearance positioning holes are formed in the front portion and the rear portion of the middle press die (2), small guide holes are formed in the middle of the lower end face of the middle press die (2), and die hole guide nails (8) are vertically aligned with the small guide holes.
4. The composite transition chain link press-fitting die according to claim 1, wherein a group of die guide nails (5) are arranged at the left rear corner and the right front corner of the upper end face of the lower die (3), large guide holes are formed at the left front corner and the right rear corner of the lower die (3), a group of die guide nails (5) are arranged at the left front part and the right rear part of the upper die (1) and the middle die (2), a group of large guide holes are formed at the left rear part and the right front part of the upper die (1) and the middle die (2), and the die guide nails (5) corresponding to the upper die and the lower die are matched with the large guide holes.
5. The composite transition chain link press-fitting die according to claim 1, wherein the rear ends of the left and right sides of the upper end face of the lower die (3) are provided with second external positioning nails (7), the front ends of the left and right sides of the upper end face of the lower die (3) are provided with third external positioning nails (9), and the third external positioning nails (9) and the second external positioning nails (7) are symmetrical front and back with respect to the center line of the lower die (3).
6. The composite transition chain link press-fitting die according to claim 1, wherein the left and right rear sides of the upper end surface of the lower die (3) are provided with first external positioning nails (6), the left and right front sides of the upper end surface of the lower die (3) are provided with fourth external positioning nails (10), and the fourth external positioning nails (10) and the first external positioning nails (6) are in front-back symmetry with respect to the center line of the lower die (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321025261.XU CN220481524U (en) | 2023-05-04 | 2023-05-04 | Composite transition chain link press-fitting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321025261.XU CN220481524U (en) | 2023-05-04 | 2023-05-04 | Composite transition chain link press-fitting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220481524U true CN220481524U (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321025261.XU Active CN220481524U (en) | 2023-05-04 | 2023-05-04 | Composite transition chain link press-fitting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220481524U (en) |
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2023
- 2023-05-04 CN CN202321025261.XU patent/CN220481524U/en active Active
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