CN219881059U - Stamping die for chain sheet - Google Patents
Stamping die for chain sheet Download PDFInfo
- Publication number
- CN219881059U CN219881059U CN202321321450.1U CN202321321450U CN219881059U CN 219881059 U CN219881059 U CN 219881059U CN 202321321450 U CN202321321450 U CN 202321321450U CN 219881059 U CN219881059 U CN 219881059U
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- China
- Prior art keywords
- hole
- die
- punching
- blanking
- chain sheet
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- 238000004080 punching Methods 0.000 claims abstract description 41
- 238000009966 trimming Methods 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model discloses a stamping die for a chain sheet, which comprises a lower die holder and an upper die holder, wherein a punching die set, a positioning hole set and a blanking hole die set are sequentially arranged on the lower die holder, a hole trimming male die set and a hole trimming female die set which are matched are respectively arranged on the upper die holder and the lower die holder, the hole trimming female die set is arranged between the positioning hole set and the blanking hole die set, the hole trimming die set comprises two hole trimming female dies, the aperture of the punching female dies is smaller than the aperture of a shaft hole of the chain sheet, and the aperture of the hole trimming female dies is the same as the aperture of the shaft hole of the chain sheet. According to the utility model, the die is improved, a through hole smaller than the hole diameter of the shaft hole is formed in the coiled material during punching and forming, after positioning, the through hole formed by punching in the first step is repaired, the hole is repaired to a standard shaft hole, finally, the chain piece appearance is formed by punching, the punching of the shaft hole in the process is divided into two steps, namely, the punching and the hole repairing can greatly improve the quality of the shaft hole, the standard shaft hole is obtained, and the guarantee is provided for the installation of the subsequent chain piece.
Description
Technical Field
The utility model relates to a stamping die, in particular to a stamping die for a chain sheet.
Background
In the design of vehicles (especially bicycles and locomotives), chains play a significant role, such as transmission chains, roller chains, ductile chains and the like, which have respective application scenes, and the quality of the chain sheets is ensured for normal operation no matter what application the chain sheets are used for.
At present, the technological process of chain sheet manufacture is as follows: punching, positioning and blanking, namely punching a shaft hole on a coiled material when the coiled material passes through a punching die, positioning, and punching at a lower die with the shape matched with the shape of the chain piece to separate the chain piece from the coiled material to form a complete chain piece.
The die comprises a punching female die, a positioning female die and a blanking female die which are matched with a male die on an upper die base to finish the whole punching forming process, the shaft hole is formed by one-step punching, but through mass production practice, the problem that the shaft hole formed by one-step punching is irregular in shape and poor in quality, a horn hole is particularly easy to appear, and the problem that the shaft hole and the shaft of a chain sheet are difficult or even impossible to install is caused.
Disclosure of Invention
Based on the defects that in the prior art, a chain sheet die is subjected to one-time punching molding to cause irregular shape and poor quality of a shaft hole and cause difficult or impossible installation of a shaft and a chain sheet, the utility model provides a stamping die for a chain sheet.
The technical scheme adopted for solving the technical problems is as follows:
the stamping die for the chain sheet comprises a lower die holder arranged on a machine cabinet and an upper die holder arranged right above the lower die holder and driven by a driving cylinder, wherein a punching die set, a positioning hole set and a blanking hole die set are sequentially arranged on the lower die holder, the punching die set comprises two punching dies, the positioning hole set comprises two positioning dies, the blanking hole die set comprises a blanking die, a punch die set matched with each die is arranged on the upper die holder, a set of matched hole trimming punch die set and a hole trimming die set are respectively arranged on the upper die holder and the lower die holder, the hole trimming die set is arranged between the positioning hole set and the blanking hole die set, the hole trimming die set comprises two hole trimming dies, the hole diameter of each punching die is smaller than the hole diameter of a shaft hole of the chain sheet, and the hole diameter of each hole trimming die is identical to the hole diameter of the shaft hole of the chain sheet. Wherein the punching female die is a cylindrical through hole or a groove; the positioning female die is a cylindrical through hole or a groove; the hole trimming female die is a cylindrical through hole or a groove; the blanking female die is a through hole with the shape matched with the shape of the chain sheet. In this scheme, through improving the mould, when punching a hole the shaping, form the through-hole that is less than the shaft hole aperture on the coiled material, through the back of location, repair the hole to the through-hole that first step punched a hole formed, repair the hole to standard shaft hole, finally the punching press forms the chain piece appearance, and the punching a hole in this in-process shaft hole divide into two steps-punch a hole and repair the hole can improve the quality in shaft hole by a wide margin, obtains standard shaft hole, provides the guarantee for the installation of follow-up chain piece.
Specifically, a guide post is arranged on the lower die holder, a guide sleeve is arranged on the guide post in a sliding manner, a buffer spring is sleeved on the guide post, the top end of the buffer spring abuts against the bottom end of the guide sleeve, and the upper die holder is fixed on the guide sleeve. The top end of the guide post is detachably provided with a top plate, the driving cylinder is arranged on the top plate, and the output section of the driving cylinder penetrates through the top plate and is connected with an upper die holder below the bottom plate. In the scheme, the guide pillar plays a supporting role, and the buffer spring sleeved on the guide pillar can slow down the impact between the upper die holder and the lower die holder during die assembly, so that a certain protection effect can be achieved.
Specifically, be equipped with blanking passageway on the die holder, blanking passageway top extends to the unloading die below, and blanking passageway bottom extends to rack front side or rear side. The blanking channel is a single-section inclined plane, and the single-section inclined plane extends from the blanking position of the blanking channel to the discharging position; or a plurality of inclined planes with a folded-line section, wherein the inclination of each inclined plane is smaller than the inclination of the connecting line of the inlet and the outlet of the blanking channel. The front side or the rear side of the cabinet is provided with a collecting drawer for collecting the chain sheets. In the scheme, the chain sheet formed after the stamping of the upper die holder falls down from the blanking channel and falls into the collecting drawer for collection; through setting up the slope inclined plane when the whereabouts, let the link slide along the slope inclined plane under self gravity effect, avoid directly dropping and take place the collision, damage the surface.
Compared with the prior art, the utility model has the advantages that: according to the utility model, the die is improved, a through hole smaller than the hole diameter of the shaft hole is formed in the coiled material during punching and forming, after positioning, the through hole formed by punching in the first step is repaired, the hole is repaired to a standard shaft hole, finally, the chain piece appearance is formed by punching, the punching of the shaft hole in the process is divided into two steps, namely, the punching and the hole repairing can greatly improve the quality of the shaft hole, the standard shaft hole is obtained, and the guarantee is provided for the installation of the subsequent chain piece.
Drawings
The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.
FIG. 1 is a front view of the present utility model;
FIG. 2 is a schematic view of the upper die section of the lower die holder;
FIG. 3 is a cross-sectional view of the discharge channel;
FIG. 4 is a cross-sectional view of the discharge channel;
in the figure: 001-coil; 10. a cabinet; 101. a blanking channel; 20. a lower die holder; 30. an upper die holder; 301. punching a female die; 302. positioning a female die; 303. hole trimming female die; 304. discharging female dies; 40. a buffer spring; 50. guide sleeve; 60. a guide post; 70. a driving cylinder; 90. a collection drawer; 100. and a top plate.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the drawings, and those skilled in the art will appreciate that the descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the present utility model.
It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.
The title of the stamping die for the chain sheet is mainly described in the embodiment, and specifically is as follows:
the stamping die for the chain sheet comprises a lower die holder 30 arranged on a cabinet 10 and an upper die holder 20 arranged right above the lower die holder 30 and driven by a driving cylinder 70, wherein a punching die set, a positioning hole set and a blanking hole die set are sequentially arranged on the lower die holder 30, the punching die comprises two punching dies 301, the positioning hole set comprises two positioning dies 302, the blanking hole die set comprises a blanking die 304, a punch die set matched with each die is arranged on the upper die holder 20, a set of matched hole trimming punch die set and a hole trimming die 303 die set are respectively arranged on the upper die holder 20 and the lower die holder 30, the hole trimming die 303 is arranged between the positioning hole set and the blanking hole die set, the hole trimming die set comprises two hole trimming dies 303, the hole diameter of the punching die 301 is smaller than the hole diameter of a shaft hole of the chain sheet, and the hole diameter of the hole trimming die 303 is the same as the hole diameter of the shaft hole of the chain sheet. Wherein, the punching female die 301 is a cylindrical through hole or a groove; the positioning female die 302 is a cylindrical through hole or a groove; the hole trimming female die 303 is a cylindrical through hole or a groove; the blanking die 304 is a through hole with the shape matched with the shape of the chain sheet. In this scheme, through improving the mould, when punching a hole the shaping, form the through-hole that is less than the shaft hole aperture on coiled material 001, through the back of location, repair the hole to the through-hole that first step punched a hole formed, repair the hole to standard shaft hole, the punching press forms the chain piece appearance at last, and the punching a hole in this in-process shaft hole divide into two steps-punch a hole and repair the hole can improve the quality in shaft hole by a wide margin, obtains standard shaft hole, provides the guarantee for the installation of follow-up chain piece.
As shown in fig. 2, a guide post 60 is disposed on the lower die holder 30, a guide sleeve 50 is slidably disposed on the guide post 60, a buffer spring 40 is sleeved on the guide post 60, the top end of the buffer spring 40 abuts against the bottom end of the guide sleeve 50, and the upper die holder 20 is fixed on the guide sleeve 50. The top end of the guide post 60 is detachably provided with a top plate 100, the driving cylinder 70 is arranged on the top plate 100, and the output section of the driving cylinder penetrates through the top plate 100 and is connected with the upper die holder 20 below the bottom plate. In this scheme, the guide post 60 plays a supporting role, and the buffer spring 40 sleeved on the guide post 60 can slow down the impact between the upper die holder 20 and the lower die holder 30 during die assembly, so as to play a certain protecting role.
As shown in fig. 1, a blanking channel 101 is disposed on the lower die holder 30, the top of the blanking channel 101 extends below the blanking die 304, and the bottom of the blanking channel 101 extends to the front side or the rear side of the cabinet 10. The blanking channel 101 is a single-section inclined plane, and the single-section inclined plane extends from the blanking position of the blanking channel 101 to the discharging position; or a plurality of inclined planes with a folded-line cross section, wherein the inclination of each inclined plane is smaller than the inclination of a connecting line between the inlet and the outlet of the blanking channel 101. The cabinet 10 is provided with an aggregate drawer 90 for collecting the chain sheets at the front or rear side. In the scheme, the chain sheet formed after the stamping of the upper die holder 20 falls down from the blanking channel 101 and falls into the collecting drawer 90 for collection; through setting up the slope inclined plane when the whereabouts, let the link slide along the slope inclined plane under self gravity effect, avoid directly dropping and take place the collision, damage the surface.
While the foregoing has been provided to illustrate the principles and embodiments of the present utility model, and while specific embodiments have been described herein, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the principles and embodiments of the utility model, the utility model is defined in the appended claims.
Claims (10)
1. The utility model provides a stamping die for chain sheet, including setting up die holder on the rack and setting up in the die holder directly over and through driving cylinder driven upper die base, be equipped with punching die set, locating hole group and unloading hole module on the die holder in proper order, punching die includes two die that punch a hole, and locating hole group includes two locating die, and unloading hole module includes a unloading die, be equipped with on the upper die holder with above-mentioned each die complex punch die set, its characterized in that: the upper die holder and the lower die holder are respectively provided with a group of matched hole trimming male die modules and hole trimming female die modules, the hole trimming female die modules are arranged between the positioning hole groups and the blanking hole modules, each hole trimming die module comprises two hole trimming female dies, the aperture of each hole trimming female die is smaller than the aperture of the corresponding chain sheet shaft hole, and the aperture of each hole trimming female die is identical to the aperture of the corresponding chain sheet shaft hole.
2. The stamping die for a chain sheet according to claim 1, wherein the punching die is a cylindrical through hole or a groove.
3. The stamping die for a chain sheet according to claim 1, wherein the positioning die is a cylindrical through hole or a groove.
4. The stamping die for a chain sheet according to claim 1, wherein the hole trimming die is a cylindrical through hole or a groove.
5. The stamping die for a chain sheet according to claim 1, wherein the blanking die is a through hole having a shape matching the shape of the chain sheet.
6. The stamping die for the chain sheet according to claim 1, wherein a guide post is arranged on the lower die holder, a guide sleeve is slidably arranged on the guide post, a buffer spring is sleeved on the guide post, the top end of the buffer spring abuts against the bottom end of the guide sleeve, and the upper die holder is fixed on the guide sleeve.
7. A stamping die for a chain sheet according to claim 3, wherein a top plate is detachably provided at a top end of the guide post, and the driving cylinder is provided on the top plate and an output section thereof penetrates the top plate and is connected to an upper die holder below the bottom plate.
8. The stamping die for chain sheets according to claim 1, wherein a blanking channel is arranged on the lower die holder, the top of the blanking channel extends below the blanking die, and the bottom of the blanking channel extends to the front side or the rear side of the cabinet.
9. The stamping die for chain sheets according to claim 8, wherein the blanking passage is a single-stage inclined surface, and the single-stage inclined surface extends from a blanking position of the blanking passage to a discharging position; or a plurality of inclined planes with a folded-line section, wherein the inclination of each inclined plane is smaller than the inclination of the connecting line of the inlet and the outlet of the blanking channel.
10. The stamping die for chain sheets according to claim 8, wherein an aggregate drawer for collecting the chain sheets is provided at a front side or a rear side of the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321321450.1U CN219881059U (en) | 2023-05-26 | 2023-05-26 | Stamping die for chain sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321321450.1U CN219881059U (en) | 2023-05-26 | 2023-05-26 | Stamping die for chain sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219881059U true CN219881059U (en) | 2023-10-24 |
Family
ID=88411212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321321450.1U Active CN219881059U (en) | 2023-05-26 | 2023-05-26 | Stamping die for chain sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219881059U (en) |
-
2023
- 2023-05-26 CN CN202321321450.1U patent/CN219881059U/en active Active
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| GR01 | Patent grant |