CN216801381U - Deep drawing die for processing cylindrical shell - Google Patents
Deep drawing die for processing cylindrical shell Download PDFInfo
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- CN216801381U CN216801381U CN202220232587.9U CN202220232587U CN216801381U CN 216801381 U CN216801381 U CN 216801381U CN 202220232587 U CN202220232587 U CN 202220232587U CN 216801381 U CN216801381 U CN 216801381U
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- cylindrical shell
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Abstract
The utility model provides a deep drawing die for processing a cylindrical shell, which comprises an upper die, a lower die matched with the upper die, a drawing table fixed at the top end of the upper die and a pressure relieving part arranged inside the drawing table, wherein the other end of the pressure relieving part extends to the outside of the drawing table; the bottom of the upper die is provided with a cylindrical convex core, and the lower die is provided with a cylindrical forming cavity at a position corresponding to the cylindrical convex core; when the upper die drives the cylindrical convex core to impact up and down at the position of the cylindrical forming cavity, the pressure relieving part is suitable for enhancing the upward moving resistance of the upper die; the upper die is provided with the upper die body, the upper die body is provided with the upper die body, the lower die body is provided with the upper die body, the upper die body is provided with the lower die body, the lower die body is provided with the upper die body, the lower die body is provided with the lower die body, and the lower die body is provided with the upper die body.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a deep drawing die for processing a cylindrical shell.
Background
With the development of the society at present, the industrial manufacturing technical level is constantly improved, and the deep-drawing mould that uses in cylinder shell production and processing is comparatively common, and traditional processing cylinder shell can appear going up the mould and constantly stretch the activity in-process and lead to wearing and tearing seriously owing to continuous pause and frustration when using with deep-drawing mould.
Therefore, under specific environment, a deep drawing die which has good pressure relief effect and is used for processing the cylindrical shell is required to replace the deep drawing die.
SUMMERY OF THE UTILITY MODEL
The utility model provides a deep drawing die for processing a cylindrical shell to solve the problems.
In order to achieve the above object, an embodiment of the present invention provides a deep drawing die for processing a cylindrical shell, including an upper die, a lower die adapted to the upper die, a drawing table fixed at a top end of the upper die, and a pressure relief portion arranged inside the drawing table, wherein another end of the pressure relief portion extends to an outside of the drawing table;
the bottom of the upper die is provided with a cylindrical convex core, and the lower die is provided with a cylindrical forming cavity at a position corresponding to the cylindrical convex core; wherein
When the upper die drives the cylindrical convex core to impact up and down at the position of the cylindrical forming cavity, the pressure relieving part is suitable for enhancing the upward moving resistance of the upper die.
Furthermore, a plurality of guide rods are fixed at the bottom of the upper die, and a plurality of guide holes are formed in the top end of the lower die; and
the guide rods correspond to the guide holes one to one.
Furthermore, the pressure relief part comprises a positioning frame arranged inside the stretching table, and the top of the positioning frame is provided with an inclined notch; and
the inner wall of the inclined notch is obliquely arranged, and the width of the inclined notch is gradually reduced from top to bottom.
Furthermore, a linkage pressing plate is arranged inside the positioning frame, and longitudinal return springs at equal intervals are fixed at the bottom of the linkage pressing plate; and
the bottom of the longitudinal reset spring is fixedly connected with the bottom of the positioning frame, and the width and the length of the bottom of the inclined notch are smaller than those of the linkage pressing plate.
Furthermore, two groups of trapezoidal blocks are arranged at the top end of the linkage pressing plate in a sliding manner; and
the inclined angle of the inclined plane of the trapezoid block is the same as the inclined angle of the side wall of the inclined notch.
Further, the two trapezoidal blocks are connected with each other through a transverse contraction spring; and
the width of the outer side wall of the top of the trapezoidal block connected through the transverse contraction spring is smaller than the width of the top of the inclined notch and larger than the width of the bottom of the inclined notch.
Further, a first pressing plate is fixed at the top end of the trapezoidal block; and
the top end of the first pressing plate extends out of the stretching table.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects: through setting up the portion of slowly pressing in the upper die top, the leading action is in order to reduce the impulsive force of last mould when the rebound, reduces the pause of going up the mould and removes the in-process and frustrate, and then effectively reduces the wearing and tearing condition of going up the mould and relapse the punching press in-process, has avoided because pause to frustrate wearing and tearing lead to going up the mould and move down the skew and cause the not smooth phenomenon of shell profile.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of a preferred embodiment of a deep drawing die for machining a cylindrical shell according to the present invention;
FIG. 2 is a cross-sectional view of a preferred embodiment of a deep drawing die for processing a cylindrical shell according to the present invention;
figure 3 is a cross-sectional view of a preferred embodiment of the relief portion of the present invention.
In the drawings
1. An upper die; 2. a lower die; 3. a stretching table; 4. a guide bar; 5. a pressure relief part;
11. a cylindrical convex core;
21. a cylindrical forming cavity;
51. a positioning frame; 52. a first pressing plate; 53. a linkage pressing plate; 54. a trapezoidal block; 55. a lateral retraction spring; 56. a longitudinal return spring; 57. a bevel notch.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Referring to fig. 1, fig. 1 is a perspective view of a deep drawing mold for processing a cylindrical shell according to a preferred embodiment of the present invention; referring to fig. 2, fig. 2 is a cross-sectional view of a deep drawing die for processing a cylindrical shell according to a preferred embodiment of the present invention; referring to FIG. 3, FIG. 3 is a cross-sectional view of a preferred embodiment of the relief portion of the present invention; as shown in fig. 1-3, the present invention provides a deep drawing die for processing a cylindrical shell, which includes an upper die 1, a lower die 2 adapted to the upper die 1, a drawing table 3 fixed at the top end of the upper die 1, and a pressure relief portion 5 arranged inside the drawing table 3, wherein the other end of the pressure relief portion 5 extends to the outside of the drawing table 3; the upper die 1 is mainly used for stretching raw materials through up-down stamping movement, the lower die 2 is mainly used for shaping the impact-stretched raw materials, the stretching table 3 is mainly used for connecting the upper die 1 with an external driving device to achieve up-down movement, the pressure relieving part 5 is mainly used for reducing the damping force generated by the impact force when the upper die 1 moves up, and particularly, when the upper die 1 drives the cylindrical convex core 11 to impact up and down at the position of the cylindrical forming cavity 21, the pressure relieving part 5 is suitable for enhancing the upward movement resistance of the upper die 1.
Upper die 1 and lower die 2
The specific composition structure of the upper die 1 and the lower die 2 is described in detail below, the bottom of the upper die 1 is provided with a cylindrical convex core 11, the outer contour of the cylindrical convex core 11 is cylindrical, and the size of the cylinder is matched with a cylindrical shell to be processed, it needs to be further described that the cylindrical convex core 11 is integrally made of solid hard metal, the main purpose is to keep the original shape in the continuous stamping process and effectively enhance the smoothness of the shape of the produced shell, and the lower die 2 is provided with a cylindrical forming cavity 21 corresponding to the cylindrical convex core 11; the inner contour of the cylindrical forming cavity 21 is matched with the inner contour of the cylindrical convex core 11, when raw materials are placed at the position of the cylindrical forming cavity 21 on the lower die 2, the upper die 1 presses the raw materials to stretch the raw materials into the cylindrical forming cavity 21 to form the raw materials, meanwhile, in order to enhance the stability of the upper die 1 in moving up and down, a plurality of guide rods 4 are fixed at the bottom of the upper die 1, the guide rods 4 can play a role of limiting a moving track in the process of moving up and down of the upper die 1, so that the raw materials are always in the downward acting force of the same horizontal line in the process of being stretched, and a plurality of guide holes are formed in the top end of the lower die 2; and the guide rod 4 corresponds to the guide hole one by one
Slow-pressing part 5
The setting of portion of slowing down 5 is inside tensile platform 3, and the primary function of portion of slowing down 5 is in order to reduce the impulsive force of last mould 1 when the rebound, reduces the pause and contuse of going up 1 mould and moving the in-process, and then effectively reduces the wearing and tearing condition of last mould 1 in the repeated punching press process, has avoided leading to going down to appear shifting because the pause and contuse wearing and tearing lead to going up 1 mould and has caused the not smooth phenomenon of shell profile.
The specific composition structure of the pressure reducing part 5 is specifically described below, the pressure reducing part 5 includes a positioning frame 51 disposed inside the stretching table 3, and an inclined notch 57 is formed at the top of the positioning frame 51; the inner wall of the inclined notch 57 is obliquely arranged, and the width of the inclined notch 57 is gradually reduced from top to bottom; the main purpose of the design is that the side wall thickness formed when the inclined notch 57 moves downwards is gradually increased, and the side wall thickness is gradually increased and independent, so that the buffer effect is effectively achieved, meanwhile, a linkage pressing plate 53 is arranged inside the positioning frame 51, and longitudinal return springs 56 at equal intervals are fixed at the bottom of the linkage pressing plate 53 and connected with each other; the bottom of the longitudinal return spring 56 is fixedly connected with the bottom of the positioning frame 51, and the width and the length of the bottom of the inclined notch 57 are both smaller than those of the linkage pressing plate 53; that is, during the upward movement of the upper die 1, the longitudinal return spring 56 contracts to reduce the overall height of the cylindrical shape to pull the linkage pressing plate 53 to move in the positioning frame 51, and it should be further noted that the moving range of the linkage pressing plate 53 is within the inclined notch 57, and two sets of trapezoidal blocks 54 are slidably disposed at the top end of the linkage pressing plate 53; the inclined angle of the inclined plane of the trapezoidal block 54 is the same as the inclined angle of the side wall of the inclined notch 57, when the linkage pressing plate 53 moves to drive the trapezoidal block 54 to move, the side wall of the trapezoidal block 54 is attached to the side wall of the inclined notch 57 in the moving process, and when the side wall of the trapezoidal block 54 is attached to the side wall of the inclined notch 57 and then is continuously pulled by the linkage pressing plate 53, the two trapezoidal blocks 54 move oppositely to keep the attachment of the side walls of the trapezoidal blocks and the side wall of the inclined notch 57; the two trapezoidal blocks 54 are connected with each other by a transverse contraction spring 55; that is, during the movement of the two blocks 54 toward each other, the transverse contraction spring 55 is pressed, the transverse contraction spring 55 and the longitudinal return spring 56 simultaneously generate a reaction force, and the width of the outer side wall of the top of the block 54 connected by the transverse contraction spring 55 is smaller than the width of the top of the inclined notch 57 and larger than the width of the bottom of the inclined notch 57; a primary pressure plate 52 is fixed at the top end of the trapezoidal block 54; the primary pressure plate 52 maintains a synchronous movement state with the trapezoidal blocks 54, and the top end of the primary pressure plate 52 extends outside the stretching table 3.
It should be further noted that when the first pressing plate 52 contacts and presses the external acting platform, the first pressing plate 52 will push the trapezoidal block 54 to move downwards until the side wall is attached to the side wall of the inclined notch 57; in the process of continuously pressing again, the two trapezoidal blocks 54 move oppositely to compress the transverse contraction spring 55, meanwhile, the trapezoidal blocks 54 move on the linkage pressing plate 53 and press the linkage pressing plate 53 downwards to compress the longitudinal return spring 56, in the process, the transverse contraction spring 55 and the longitudinal return spring 56 generate reaction force simultaneously to offset partial downward force, meanwhile, the side edges of the trapezoidal blocks 54 are in contact extrusion with the side walls of the inclined notches 57 to disperse partial downward force, and the pause in the moving process of the upper die 1 can be effectively reduced.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The deep drawing die for processing the cylindrical shell is characterized by comprising an upper die (1), a lower die (2) matched with the upper die (1), a drawing table (3) fixed at the top end of the upper die (1) and a pressure relieving part (5) arranged inside the drawing table (3), wherein the other end of the pressure relieving part (5) extends to the outside of the drawing table (3);
a cylindrical convex core (11) is arranged at the bottom of the upper die (1), and a cylindrical forming cavity (21) is formed in the lower die (2) corresponding to the cylindrical convex core (11); wherein
When the upper die (1) drives the cylindrical convex core (11) to impact up and down at the position of the cylindrical forming cavity (21), the pressure relief part (5) is suitable for enhancing the upward moving resistance of the upper die (1).
2. The deep drawing die for processing a cylindrical shell according to claim 1,
a plurality of guide rods (4) are fixed at the bottom of the upper die (1), and a plurality of guide holes are formed in the top end of the lower die (2); and
the guide rods (4) correspond to the guide holes one by one.
3. The deep drawing die for processing a cylindrical shell according to claim 2,
the slow-pressing part (5) comprises a positioning frame (51) arranged inside the stretching table (3), and the top of the positioning frame (51) is provided with an inclined notch (57); and
the inner wall of the inclined notch (57) is obliquely arranged, and the width of the inclined notch (57) is gradually reduced from top to bottom.
4. The deep drawing die for processing a cylindrical shell according to claim 3,
a linkage pressing plate (53) is arranged inside the positioning frame (51), and longitudinal return springs (56) with equal intervals are fixed at the bottom of the linkage pressing plate (53); and
the bottom of the longitudinal return spring (56) is fixedly connected with the bottom of the positioning frame (51), and the width and the length of the bottom of the inclined notch (57) are smaller than those of the linkage pressing plate (53).
5. The deep drawing die for processing a cylindrical shell according to claim 4,
two groups of trapezoidal blocks (54) are arranged at the top end of the linkage pressing plate (53) in a sliding manner; and
the inclined angle of the trapezoid block (54) is the same as the side wall angle of the inclined notch (57).
6. The deep drawing die for processing a cylindrical shell according to claim 5,
the two trapezoidal blocks (54) are connected with each other through a transverse contraction spring (55); and
the width of the outer side wall of the top of the trapezoid block (54) connected by the transverse contraction spring (55) is smaller than the width of the top of the inclined notch (57) and larger than the width of the bottom of the inclined notch (57).
7. The deep drawing die for processing a cylindrical shell according to claim 6,
a first pressing plate (52) is fixed at the top end of the trapezoidal block (54); and
the top end of the head pressing plate (52) extends out of the stretching table (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220232587.9U CN216801381U (en) | 2022-01-28 | 2022-01-28 | Deep drawing die for processing cylindrical shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220232587.9U CN216801381U (en) | 2022-01-28 | 2022-01-28 | Deep drawing die for processing cylindrical shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216801381U true CN216801381U (en) | 2022-06-24 |
Family
ID=82065862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220232587.9U Active CN216801381U (en) | 2022-01-28 | 2022-01-28 | Deep drawing die for processing cylindrical shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216801381U (en) |
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2022
- 2022-01-28 CN CN202220232587.9U patent/CN216801381U/en active Active
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