CN221086934U - Pre-compaction piece mounting structure of cut off die mould - Google Patents
Pre-compaction piece mounting structure of cut off die mould Download PDFInfo
- Publication number
- CN221086934U CN221086934U CN202322645323.3U CN202322645323U CN221086934U CN 221086934 U CN221086934 U CN 221086934U CN 202322645323 U CN202322645323 U CN 202322645323U CN 221086934 U CN221086934 U CN 221086934U
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- limiting
- cavity
- pressing block
- hole
- internal thread
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- 238000005056 compaction Methods 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000009966 trimming Methods 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000004512 die casting Methods 0.000 description 1
Abstract
The utility model discloses a pre-pressing block mounting structure of a trimming die, which comprises an upper pressing plate, an upper die plate and a pre-pressing block, wherein a guide connecting column is arranged on the upper die plate in an up-down elastic movable manner, the pre-pressing block is connected with the upper die plate through the guide connecting column, and the pre-pressing block is characterized in that the lower surface of the guide connecting column is provided with an internal thread connecting hole with an opening at the lower part, the pre-pressing block is provided with a connecting through hole which is penetrated up and down and is coaxial with the internal thread connecting hole, and the pre-pressing block is detachably mounted on the upper die plate through penetrating the connecting through hole from bottom to top through a connecting bolt/screw in a corresponding internal thread connecting hole in a threaded manner. The advantage is simple structure, and during the installation, connecting bolt/screw is upwards installed from the lower part of pre-compaction piece, then when needs change the pre-compaction piece, need not follow the whole dismantlement of mould on the press, also need not open the top board, direct follow the below of pre-compaction board install or dismantle the operation can, obviously reduced the dismouting process, improved work efficiency effectively.
Description
Technical Field
The utility model relates to the technical field of stamping dies, in particular to a pre-pressing block mounting structure of a trimming die.
Background
The trimming die is a stamping die which uses a stamping die to trim the edge of an working element so as to enable the working element to have a certain height, diameter and shape. The trimming die is mainly used for trimming the edge of the stretching piece, so that the end face is smooth and attractive, and the next step of assembly is facilitated. At present, various die-casting moulds are basically provided with trimming die moulds, and the conventional trimming die moulds generally comprise an upper pressing plate, an upper template and a pre-pressing block which are sequentially arranged from top to bottom, wherein a guide connecting column is elastically arranged on the upper template up and down, and the pre-pressing block is connected with the upper template through the guide connecting column. For reasons such as product modeling change and logo mark change, the pre-compaction block needs to be replaced or reprocessed sometimes, so that the connection and installation of the pre-compaction block on an upper template need to be designed into a detachable mode, at present, for installation of the pre-compaction block, a blind hole with internal threads is usually machined on the upper surface of the pre-compaction block, a connecting hole which penetrates up and down is arranged in a guide connecting column, and the detachable installation of the pre-compaction block is realized in the blind hole by penetrating through the connecting hole through the rod part with external threads of a locking bolt matched with the blind hole with the internal threads. This kind of mounting structure is not very convenient to the dismouting of pre-compaction piece, when needs are changed the pre-compaction piece, must open the top board earlier and just can carry out corresponding dismouting operation, if this mould has been installed on the press, just must pull down whole pair of mould from the press earlier, open the top board again and just go on, the dismouting process is more, leads to work efficiency comparatively low.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a pre-pressing block mounting structure of a trimming die, which is simple in structure and convenient to assemble and disassemble so as to improve the working efficiency.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a pre-compaction piece mounting structure of cut off die utensil, includes top-down in proper order top board, cope match-plate pattern and pre-compaction piece, the cope match-plate pattern on can be provided with the direction spliced pole from top to bottom elasticity activity, the pre-compaction piece with the cope match-plate pattern be connected through the direction spliced pole, the lower surface of direction spliced pole have lower open-ended internal thread connecting hole, the pre-compaction piece on be provided with from top to bottom link up with internal thread connecting hole coaxial connecting through-hole, through with internal thread connecting hole matched with connecting bolt/screw from bottom to top pass the connecting through-hole spiro union in corresponding internal thread connecting hole in realize pre-compaction piece be in the detachable installation on the cope match-plate pattern.
The guide connecting column comprises a limiting part and a connecting part which are coaxially arranged from top to bottom, wherein the outer diameter of the limiting part is larger than that of the connecting part, an installation cavity which penetrates through from top to bottom is formed in the upper template, the installation cavity comprises a limiting cavity and an extending cavity which are coaxially and sequentially arranged from top to bottom, the inner diameter of the limiting cavity is larger than that of the extending cavity, the inner diameter of the extending cavity is smaller than that of the limiting part, the inner diameter of the limiting cavity is larger than that of the limiting part, the lower end of the connecting part sequentially penetrates through the limiting cavity and the extending cavity and downwards extends out of the extending cavity to be connected with the pre-pressing block, the limiting part is located in the limiting cavity, and the internal thread connecting hole is formed in the connecting part. The downward installation position of the guide connecting column is limited through the limiting cavity, so that stable installation of the pre-pressing block is ensured.
The side part of the limiting part is provided with at least one outer anti-rotation flat end surface, the shape of the limiting cavity is matched with that of the limiting part, and the inner wall of the limiting cavity is provided with an inner anti-rotation flat end surface which is matched with the outer anti-rotation flat end surface. When the connecting bolt/screw is disassembled and assembled, the guide connecting column can be prevented from rotating, and the quick disassembly and assembly are realized.
The connecting through hole comprises a limiting section and a connecting section which are coaxially arranged from bottom to top, the inner diameter of the limiting section is larger than that of the connecting section, the head of the connecting bolt/screw is arranged in the limiting section in a limiting mode, and the end head of the threaded rod part of the connecting bolt/screw extends upwards out of the connecting section in a threaded mode and is in threaded connection with the corresponding inner thread connecting hole.
A spring is arranged between the top of the guide connecting column and the lower surface of the upper pressing plate, and the lower end of the spring stretches into the limiting cavity. The guide connecting column can elastically float up and down.
The lower surface of the upper pressing plate is provided with an upward concave positioning cavity corresponding to the mounting position of the spring, and the upper end of the spring extends into the positioning cavity. The spring is stably installed by matching with the limiting cavity.
Compared with the prior art, the utility model has the advantages that: simple structure, during the installation, connecting bolt/screw is upwards installed from the lower part of pre-compaction piece, then when needs change the pre-compaction piece, need not follow the whole dismantlement of mould on the press, also need not open the top board, direct from the below of pre-compaction board install or dismantle the operation can, obviously reduced the dismouting process, improved work efficiency effectively.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model with a connecting bolt/screw installed;
FIG. 3 is a schematic perspective view of the upper template in the present utility model;
FIG. 4 is a schematic perspective view of a guide post according to the present utility model;
FIG. 5 is a schematic top view of the guide post of the present utility model mounted on the upper plate
Description of the embodiments
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in the figure, a pre-pressing block 3 mounting structure of a trimming die comprises an upper pressing plate 1, an upper template 2 and a pre-pressing block 3 which are sequentially arranged from top to bottom, wherein a guide connecting column 4 is arranged on the upper template 2 in a vertically elastic movable manner, the pre-pressing block 3 is connected with the upper template 2 through the guide connecting column 4, an inner threaded connecting hole 41 with an opening at the lower part is arranged on the lower surface of the guide connecting column 4, a connecting through hole 31 which is communicated up and down and is coaxial with the inner threaded connecting hole 41 is arranged on the pre-pressing block 3, and the pre-pressing block 3 is detachably mounted on the upper template 2 by penetrating through the connecting through hole 31 from bottom to top through a connecting bolt/screw 5 matched with the inner threaded connecting hole 41 in a threaded manner.
In this specific embodiment, the guiding connection column 4 includes a limiting portion 401 and a connecting portion 402 coaxially disposed from top to bottom, the outer diameter of the limiting portion 401 is larger than the outer diameter of the connecting portion 402, a mounting cavity 21 penetrating up and down is disposed on the upper template 2, the mounting cavity 21 includes a limiting cavity 211 and an extending cavity 212 coaxially disposed from top to bottom in sequence, the inner diameter of the limiting cavity 211 is larger than the inner diameter of the extending cavity 212, the inner diameter of the extending cavity 212 is smaller than the outer diameter of the limiting portion 401, the inner diameter of the limiting cavity 211 is larger than the outer diameter of the limiting portion 401, the lower end of the connecting portion 402 sequentially penetrates through the limiting cavity 211 and the extending cavity 212 and extends downwards to be connected with the pre-pressing block 3, the limiting portion 401 is located in the limiting cavity 211, and the internal thread connecting hole 41 is disposed in the connecting portion 402. The downward installation position of the guide connecting column 4 is limited through the limiting cavity 211, so that stable installation of the pre-pressing block 3 is ensured.
In this embodiment, the side portion of the limiting portion 401 has at least one outer anti-rotation flat end surface 42, the shape of the limiting cavity 211 is matched with the shape of the limiting portion 401, and a matched inner anti-rotation flat end surface 213 is disposed on the inner wall of the limiting cavity 211 at a position corresponding to the outer anti-rotation flat end surface 42. When the connecting bolt/screw 5 is disassembled and assembled, the guide connecting column 4 can be prevented from rotating, and quick disassembly and assembly are realized.
In this embodiment, the connection through hole 31 includes a limiting section 311 and a connecting section 312 coaxially disposed from bottom to top, the inner diameter of the limiting section 311 is larger than that of the connecting section 312, the head 52 of the connection bolt/screw 5 is disposed in the limiting section 311 in a limiting manner, and the end of the threaded rod 51 of the connection bolt/screw 5 extends upward to the connecting section 312 to be screwed into the corresponding internal threaded connection hole 41.
In this embodiment, a spring 6 is disposed between the top of the guide connection post 4 and the lower surface of the upper platen 1, and the lower end of the spring 6 extends into the limiting cavity 211. The guide connecting column 4 can elastically float up and down.
In this embodiment, a positioning cavity 11 recessed upward is provided on the lower surface of the upper platen 1 corresponding to the mounting position of the spring 6, and the upper end of the spring 6 extends into the positioning cavity 11. The cooperation spacing chamber 211 realizes the stable installation of spring 6.
Claims (6)
1. The utility model provides a pre-compaction piece mounting structure of cut off die utensil, includes top-down in proper order top board, cope match-plate pattern and pre-compaction piece, the cope match-plate pattern on can be provided with the direction spliced pole from top to bottom elasticity activity, pre-compaction piece with the cope match-plate pattern be connected through the direction spliced pole, its characterized in that the lower surface of direction spliced pole have lower open-ended internal thread connecting hole, pre-compaction piece on be provided with from top to bottom link up with internal thread connecting hole coaxial connecting through-hole, through with internal thread connecting hole matched with connecting bolt/screw from bottom to top pass connecting through-hole spiro union in corresponding internal thread connecting hole realize pre-compaction piece be in the detachable installation on the cope match-plate pattern.
2. The pre-pressing block mounting structure of a trimming die according to claim 1, wherein the guiding connecting column comprises a limiting part and a connecting part which are coaxially arranged from top to bottom, the outer diameter of the limiting part is larger than that of the connecting part, the upper die plate is provided with a mounting cavity which penetrates up and down, the mounting cavity comprises a limiting cavity and an extending cavity which are coaxially and sequentially arranged from top to bottom, the inner diameter of the limiting cavity is larger than that of the extending cavity, the inner diameter of the extending cavity is smaller than that of the limiting part, the inner diameter of the limiting cavity is larger than that of the limiting part, the lower end of the connecting part sequentially penetrates through the limiting cavity and the extending cavity and extends downwards to be connected with the pre-pressing block, the limiting part is positioned in the limiting cavity, and the internal thread connecting hole is formed in the connecting part.
3. The pre-pressing block mounting structure of a trimming die as claimed in claim 2, wherein the side portion of the limiting portion has at least one outer anti-rotation flat end surface, the shape of the limiting cavity is matched with the shape of the limiting portion, and the inner wall of the limiting cavity is provided with a matched inner anti-rotation flat end surface at a position corresponding to the outer anti-rotation flat end surface.
4. The pre-pressing block mounting structure of a trimming die according to claim 1, wherein the connecting through hole comprises a limiting section and a connecting section which are coaxially arranged from bottom to top, the inner diameter of the limiting section is larger than that of the connecting section, the head of the connecting bolt/screw is arranged in the limiting section in a limiting manner, and the end head of the threaded rod part of the connecting bolt/screw extends upwards out of the connecting section to be screwed in the corresponding internal thread connecting hole.
5. The pre-pressing block mounting structure of a trimming die according to claim 2, wherein a spring is disposed between the top of the guide connecting column and the lower surface of the upper pressing plate, and the lower end of the spring extends into the limiting cavity.
6. The pre-pressing block mounting structure of a trimming die set according to claim 5, wherein a positioning cavity recessed upwards is formed in the lower surface of the upper pressing plate corresponding to the mounting position of the spring, and the upper end of the spring extends into the positioning cavity.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221086934U true CN221086934U (en) | 2024-06-07 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |