CN211464710U - Stamping device for cold heading machine and nut cold heading machine - Google Patents
Stamping device for cold heading machine and nut cold heading machine Download PDFInfo
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- CN211464710U CN211464710U CN201922290563.XU CN201922290563U CN211464710U CN 211464710 U CN211464710 U CN 211464710U CN 201922290563 U CN201922290563 U CN 201922290563U CN 211464710 U CN211464710 U CN 211464710U
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Abstract
The utility model belongs to the technical field of the cold heading machine, concretely relates to stamping device, nut cold heading machine for cold heading machine. Wherein stamping device for cold heading includes: the stamping machine comprises a rack, a driving mechanism arranged at the tail of the rack and a stamping mechanism; the rack is provided with a sunken part, and two side walls of the sunken part are respectively provided with a sliding groove; the bottom of the concave part is provided with a feed opening; the driving mechanism is suitable for driving the punching mechanism to reciprocate along the sliding groove so as to punch and form the blank of the corresponding station; and the stamping mechanism pushes the formed workpiece to pass through the blanking port and fall, so that the process is simple, the operation is simple and convenient, the cold heading forming of the blank is realized, the workpiece forming efficiency is improved, the stable operation of the cold header is ensured, and the stamping efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the cold heading machine, concretely relates to stamping device, nut cold heading machine for cold heading machine.
Background
The cold heading machine is a special device which is mainly used for producing fasteners such as nuts and bolts in batches, is a machine commonly used in the fastener industry, is a special device which is mainly used for producing fasteners such as nuts and bolts in batches, and is a forging method for upsetting and forming metal bars at normal temperature by using a die.
But traditional cold heading machine transmission is complicated, and it is more complicated to operate for cold heading punching efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stamping device for cold heading machine to realize quick and convenient cold heading shaping to the stock.
In order to solve the technical problem, the utility model provides a stamping device for cold heading machine, include: the stamping machine comprises a rack, a driving mechanism arranged at the tail of the rack and a stamping mechanism; the rack is provided with a sunken part, and two side walls of the sunken part are respectively provided with a sliding groove; the bottom of the concave part is provided with a feed opening; the driving mechanism is suitable for driving the punching mechanism to reciprocate along the sliding groove so as to punch and form the blank of the corresponding station; and the formed workpiece is pushed by the stamping mechanism to pass through the feed opening and fall down.
Further, the punching mechanism includes: the pushing assembly is positioned outside the rack and corresponds to the stamping assembly; the driving mechanism is suitable for driving the stamping component to be matched with the die firstly so as to punch and form the blank of the corresponding station; the driving mechanism is suitable for driving the pushing assembly to push out the blank of each station and push down a workpiece formed by punching in the last station.
Further, the stamping assembly comprises: the sliding block and the mould box are oppositely arranged and installed in the concave part; sliding strips which are matched with the sliding grooves to slide are arranged on the two sides of the sliding block; the slide block is connected with the driving mechanism through a connecting rod assembly; a male die mounting groove suitable for mounting a male die is formed in one side wall, opposite to the die box, of the sliding block; a female die mounting groove suitable for mounting a female die is formed in one side wall, opposite to the sliding block, of the die box; the driving mechanism is suitable for pushing the sliding block to reciprocate through the connecting rod assembly so as to enable the male die and the female die to be intermittently matched.
Furthermore, the rack is provided with a through hole penetrating through the rack and the mold box; the jacking assembly comprises: the push rod is matched and installed in the through hole, the push plate is hinged to the bottom of the side wall of the rack on one side of the through hole, and the push rod is fixedly inserted in the push plate and corresponds to the push rod; wherein the push plate is hinged with a pushing connecting rod connected with a driving mechanism at one side far away from the hinge; the driving mechanism is suitable for pushing the driving push plate to approach the rack through the pushing connecting rod so that the push rod pushes the ejector rod, namely the ejector rod pushes out the blank in the female die.
Furthermore, a push block with a cross section larger than that of the push rod is arranged at one end, which is positioned at the contact part of the push rod and the ejector rod, so that the push block can be in contact with the ejector rod in the rotation process of the push plate.
Furthermore, a limiting block matched with the through hole is arranged on one side, which is in contact with the blank, of the ejector rod; a baffle is arranged in the through hole; and a return spring is arranged between the baffle and the limiting block, so that the push rod can automatically reset after pushing the push rod to push the blank.
Further, the drive mechanism includes: a driving assembly and a driven assembly; the connecting rod assembly and the pushing connecting rod are respectively connected with the driven assembly; the driving assembly is suitable for driving the driven assembly to move so as to enable the linkage connecting rod assembly and the pushing connecting rod to respectively do reciprocating motion.
Further, the active component includes: the driving flywheel and the driving flat wheel are oppositely arranged on two sides of the rack, and the driving connecting shaft is respectively fixed with the driving flywheel and the driving flat wheel and penetrates through the rack; the driving flywheel is driven to rotate by an external driving part, so that the driving connecting shaft drives the driving flat wheel to rotate.
Furthermore, any end of the driving connecting shaft is sleeved and fixed with a driving gear; the driven assembly includes: the driven gear and the driven flat wheel are oppositely arranged on two sides of the rack, and the driven connecting shaft is respectively fixed with the driven gear and the driven flat wheel and penetrates through the rack; the driving gear is meshed with the driven gear to drive the driven connecting shaft to rotate; the driven connecting shaft is positioned in the concave part and fixedly sleeved with a cam shaft; the connecting rod assembly is fixed outside the camshaft so that the connecting rod assembly drives the sliding block to slide in a reciprocating manner; the driven connecting shaft is provided with a pushing disc body connected with a pushing connecting rod so as to drive the pushing plate to reciprocate.
In another aspect, the utility model provides a nut cold heading machine, include: the stamping device for the cold header is as described above.
The beneficial effects of the utility model are that, the utility model discloses a stamping device for cold heading machine, include: the stamping machine comprises a rack, a driving mechanism arranged at the tail of the rack and a stamping mechanism; the rack is provided with a sunken part, and two side walls of the sunken part are respectively provided with a sliding groove, so that the moving track of the punching mechanism is provided, and the moving linearity of the punching mechanism is ensured, thereby ensuring the punching effect; the bottom of the concave part is provided with a feed opening; the driving mechanism is suitable for driving the punching mechanism to reciprocate along the sliding groove so as to punch and form the blank of the corresponding station; and the stamping mechanism pushes the formed workpiece to pass through the blanking port and fall, so that the process is simple, the operation is simple and convenient, the cold heading forming of the blank is realized, the workpiece forming efficiency is improved, the stable operation of the cold header is ensured, and the stamping efficiency is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first perspective view of a preferred embodiment of a press apparatus for a cold header according to the present invention;
fig. 2 is a second perspective view of the preferred embodiment of the punching apparatus for a cold header of the present invention;
fig. 3 is a schematic cross-sectional view of a preferred embodiment of the push rod ejector pin of the present invention.
In the figure:
the device comprises a frame 1, a concave part 11, a sliding groove 12, a feed opening 13, a concave die mounting groove 14 and a through hole 15;
the driving mechanism 2, the driving assembly 21, the driving flywheel 211, the driving flat wheel 212, the driving connecting shaft 213, the driving gear 214, the driven assembly 22, the driven gear 221, the driven flat wheel 222 and the driven connecting shaft 223;
the stamping mechanism 3, the stamping assembly 31, the slide block 311, the die box 312, the slide bar 313, the connecting rod assembly 314, the male die installation groove 315, the cam shaft 316, the pushing assembly 32, the ejector rod 321, the push plate 322, the push rod 323, the pushing connecting rod 324, the push block 325, the limiting block 326, the baffle 327, the return spring 328 and the pushing disc 329.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Fig. 1 is a first perspective view of a preferred embodiment of a press apparatus for a cold header according to the present invention;
as shown in fig. 1, the press apparatus for a cold header of the present embodiment includes: the stamping machine comprises a machine frame 1, a driving mechanism 2 arranged at the tail part of the machine frame 1 and a stamping mechanism 3; the rack 1 is provided with a sunken part 11, and two side walls of the sunken part 11 are respectively provided with a sliding groove 12, so that the moving track of the stamping mechanism 3 is provided, the moving linearity of the stamping mechanism 3 is ensured, and the stamping effect is ensured; the bottom of the concave part 11 is provided with a feed opening 13; the driving mechanism 2 is suitable for driving the stamping mechanism 3 to reciprocate along the sliding groove 12 so as to stamp and form the blank of the corresponding station; and the formed workpiece is pushed by the stamping mechanism 3 to pass through the feed opening 13 and fall, so that the process is simple, the operation is simple and convenient, the cold heading forming of the blank is realized, the workpiece forming efficiency is improved, the stable operation of the cold header is ensured, and the stamping efficiency is improved.
As an alternative embodiment of the punching mechanism 3, the punching mechanism 3 includes: a stamping component 31 positioned in the concave part 11 and a pushing component 32 positioned outside the frame 1 and corresponding to the stamping component 31; the driving mechanism 2 is suitable for firstly driving the stamping component 31 to be matched with the die so as to punch and form the blank at the corresponding station; the driving mechanism 2 is suitable for driving the pushing assembly 32 to push out the blanks of each station and push down the workpieces formed by stamping in the last station, and the fallen workpieces directly pass through the discharge opening 13 and fall into the material containing box, so that the situation that the workpieces are adhered to the die and cannot be discharged and the workpieces need to be manually pushed down is avoided.
Fig. 2 is a second perspective view of the preferred embodiment of the punching apparatus for a cold header of the present invention.
As an alternative embodiment of the punching assembly 31, as shown in fig. 2, the punching assembly 31 includes: a slide block 311 and a mold box 312 which are oppositely arranged and installed in the concave part 11; sliding strips 313 which are matched with the sliding grooves 12 to slide are arranged on two sides of the sliding block 311; the slide block 311 is connected with the driving mechanism 2 through a connecting rod assembly 314; a male die mounting groove 315 suitable for mounting a male die is formed in one side wall of the sliding block 311, which is opposite to the die box 312; a die mounting groove 14 suitable for mounting a die is formed in one side wall of the die box 312, which is opposite to the sliding block 311; the driving mechanism 2 is adapted to push the slide block 311 to reciprocate through the connecting rod assembly 314, so that the male die and the female die are intermittently matched, specifically, one male die and the corresponding female die are a station, and the cold heading punch forming of the blank is completed through the matching of the male die and the female die on the station.
As an optional embodiment of the pushing assembly 32, the frame 1 is provided with a through hole 15 penetrating through the frame 1 and the mold box 312; the jacking assembly 32 comprises: a push rod 321 which is adapted to be installed in the through hole 15, a push plate 322 hinged to the bottom of the side wall of the frame 1 at one side of the through hole 15, and a push rod 323 which is inserted and fixed on the push plate 322 and corresponds to the push rod 321; wherein, the push plate 322 is hinged with a push connecting rod 324 connected with the driving mechanism 2 at one side far away from the hinge; the driving mechanism is suitable for pushing the driving push plate 322 to approach to the rack 1 through the pushing connecting rod 324, so that the push rod 323 pushes the push rod 321, that is, the push rod 321 pushes out the blank in the female die, thereby preventing the blank from being adhered to the female die after punch forming.
Fig. 3 is a schematic cross-sectional view of a preferred embodiment of the push rod ejector pin of the present invention.
As shown in fig. 3, preferably, a push block 325 with a cross section larger than that of the push rod 323 is arranged at one end of the push rod 323, which is in contact with the push rod 321, so that the push block 325 can be in contact with the push rod 321 when the push rod 322 rotates, the position of the contact point of the push rod 323 and the push rod 321 changes when the push rod 322 rotates, the contact point moves to cause the push rod 323 to be separated from the push rod 321, the push rod 321 is pushed by the push block 325 with a larger contact surface, and the push block 325 can be ensured to be in contact with the push rod 321 when the push rod 322 rotates.
Preferably, for the automatic resetting of the top rod 321, a limit block 26 matched with the through hole 15 is arranged on one side of the top rod 321 contacting with the blank; a baffle 327 is arranged in the through hole 15; and a return spring 328 is arranged between the baffle 327 and the limiting block 26, so that the push rod 321 can automatically reset after the push rod 323 pushes the push rod 321 to push the blank, and the push rod 323 is pushed to exit the female die by automatic reset after the return spring 328 is compressed, thereby ensuring continuous alternate work of punching and ejecting.
As an alternative embodiment of the drive mechanism 2, the drive mechanism 2 comprises: a driving assembly 21 and a driven assembly 22; wherein the connecting rod assembly 314 and the pushing connecting rod 324 are respectively connected with the driven assembly 22; the driving assembly 21 is adapted to drive the driven assembly 22 to move, so that the linkage connecting rod assembly 314 and the pushing connecting rod 324 respectively reciprocate, and further, the punching assembly 31 and the pushing assembly 32 can be driven to work through one driving part, thereby saving the cost and providing power for punching and ejecting.
As an alternative embodiment of the active component 21, the active component 21 includes: the driving flywheel 211 and the driving flat wheel 212 are oppositely arranged at two sides of the frame 1, and the driving connecting shaft 213 is respectively fixed with the driving flywheel 211 and the driving flat wheel 212 and penetrates through the frame 1; the driving flywheel 211 is driven by an external driving part, specifically, the driving part may be driven by an external driving motor through a belt, so that the driving connecting shaft 213 drives the driving flat wheel 212 to rotate, and simultaneously, the driving shaft of the driving motor is prevented from being directly connected with the driving connecting shaft 213 and then the driving connecting shaft 213 is prevented from being strained, thereby further prolonging the service life of the driving connecting shaft 213, and specifically, the driving flat wheel 212 plays a role in supporting the driving connecting shaft 213 to rotate.
As an alternative embodiment of the driven assembly 22, a driving gear 214 is sleeved and fixed at either end of the driving connecting shaft 213; the driven assembly 22 includes: a driven gear 221 and a driven flat wheel 222 which are oppositely arranged at two sides of the frame 1, and a driven connecting shaft 223 which is respectively fixed with the driven gear 221 and the driven flat wheel 222 and passes through the frame 1; the driving gear 214 is meshed with the driven gear 221 to drive the driven connecting shaft 223 to rotate; a camshaft 316 is fixedly sleeved in the concave part 11 of the driven connecting shaft 223; the connecting rod assembly 314 is fixed outside the cam shaft 316, so that the connecting rod assembly 314 drives the sliding block 311 to slide in a reciprocating manner; the driven connecting shaft 223 is provided with a pushing disc 329 connected with the pushing connecting rod 324 to drive the pushing plate 322 to reciprocate, and specifically, the driven flat wheel 222 plays a role of supporting the driven connecting shaft 223 to rotate.
In summary, in the stamping apparatus for a cold heading machine of the present embodiment, the driving flywheel 211 is driven to rotate by the external driving motor, the driving flywheel 211 rotates to drive the driving connecting shaft 213 to rotate, the driving connecting shaft 213 rotates to drive the driven connecting shaft 223 to rotate through the gear cooperation, the driven connecting shaft 223 rotates to drive the cam shaft 316 to rotate, the cam shaft rotates to drive the slider 311 to reciprocate along the sliding slot 12 through the connecting rod assembly 314, so as to realize the mold closing and separation of the male mold and the female mold, the driven connecting shaft 223 rotates to drive the pushing disk 329 to rotate, the pushing disk 329 rotates to drive the pushing connecting rod 324 to reciprocate, and drives the pushing plate 322 to approach and leave the rack 1, the pushing rod 323 on the pushing plate 322 pushes the ejector rod 321 to eject the blank and the workpiece in the female mold, and the workpiece passes through the discharging opening 13 to be ejected, the process is simple and easy to operate, the cold, the stable operation of the cold header is ensured, and the stamping efficiency is improved.
Example 2
On the basis of embodiment 1, this embodiment 2 provides a nut cold heading machine, includes: the stamping device for the cold header is as described above.
For the concrete structure and implementation process of the stamping device for the cold header, reference is made to the relevant discussion in embodiment 1, and the detailed description is omitted here.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. 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 (10)
1. The utility model provides a stamping device for cold heading machine which characterized in that includes:
the stamping machine comprises a rack, a driving mechanism arranged at the tail of the rack and a stamping mechanism; wherein
The rack is provided with a sunken part, and two side walls of the sunken part are respectively provided with a sliding groove; and
the bottom of the concave part is provided with a feed opening;
the driving mechanism is suitable for driving the punching mechanism to reciprocate along the sliding groove so as to punch and form the blank of the corresponding station;
and the formed workpiece is pushed by the stamping mechanism to pass through the feed opening and fall down.
2. The punching apparatus for a cold heading machine according to claim 1,
the punching press mechanism includes: the pushing assembly is positioned outside the rack and corresponds to the stamping assembly; wherein
The driving mechanism is suitable for driving the stamping component to close the die firstly so as to punch and form the blank of the corresponding station;
the driving mechanism is suitable for driving the pushing assembly to push out the blank of each station and push down a workpiece formed by punching in the last station.
3. The punching apparatus for a cold heading machine according to claim 2,
the stamping assembly comprises: the sliding block and the mould box are oppositely arranged and installed in the concave part;
sliding strips which are matched with the sliding grooves to slide are arranged on the two sides of the sliding block;
the slide block is connected with the driving mechanism through a connecting rod assembly;
a male die mounting groove suitable for mounting a male die is formed in one side wall, opposite to the die box, of the sliding block;
a female die mounting groove suitable for mounting a female die is formed in one side wall, opposite to the sliding block, of the die box;
the driving mechanism is suitable for pushing the sliding block to reciprocate through the connecting rod assembly so as to enable the male die and the female die to be intermittently matched.
4. The punching apparatus for a cold heading machine as claimed in claim 3,
the frame is provided with a through hole penetrating through the frame and the mould box;
the jacking assembly comprises: the push rod is matched and installed in the through hole, the push plate is hinged to the bottom of the side wall of the rack on one side of the through hole, and the push rod is fixedly inserted in the push plate and corresponds to the push rod; wherein
The pushing plate is hinged with a pushing connecting rod connected with the driving mechanism on one side far away from the hinge;
the driving mechanism is suitable for pushing the driving push plate to approach the rack through the pushing connecting rod so that the push rod pushes the ejector rod, namely the ejector rod pushes out the blank in the female die.
5. The punching apparatus for a cold heading machine as claimed in claim 4,
and a push block with a cross section larger than that of the push rod is arranged at one end of the push rod, which is in contact with the ejector rod, so that the push block can be in contact with the ejector rod in the rotation process of the push plate.
6. The punching apparatus for a cold heading machine as claimed in claim 5,
a limiting block matched with the through hole is arranged on one side, which is in contact with the blank, of the ejector rod;
a baffle is arranged in the through hole; and
and a return spring is arranged between the baffle and the limiting block, so that the push rod can automatically reset after pushing the push rod to push the blank.
7. The punching apparatus for a cold heading machine as claimed in claim 6,
the drive mechanism includes: a driving assembly and a driven assembly; wherein
The connecting rod assembly and the pushing connecting rod are respectively connected with the driven assembly;
the driving assembly is suitable for driving the driven assembly to move so as to enable the linkage connecting rod assembly and the pushing connecting rod to respectively do reciprocating motion.
8. The punching apparatus for a cold heading machine as claimed in claim 7,
the active component includes: the driving flywheel and the driving flat wheel are oppositely arranged on two sides of the rack, and the driving connecting shaft is respectively fixed with the driving flywheel and the driving flat wheel and penetrates through the rack;
the driving flywheel is driven to rotate by an external driving part, so that the driving connecting shaft drives the driving flat wheel to rotate.
9. The punching apparatus for a cold heading machine as claimed in claim 8,
any end of the driving connecting shaft is fixedly sleeved with a driving gear;
the driven assembly includes: the driven gear and the driven flat wheel are oppositely arranged on two sides of the rack, and the driven connecting shaft is respectively fixed with the driven gear and the driven flat wheel and penetrates through the rack;
the driving gear is meshed with the driven gear to drive the driven connecting shaft to rotate;
the driven connecting shaft is positioned in the concave part and fixedly sleeved with a cam shaft;
the connecting rod assembly is fixed outside the camshaft so that the connecting rod assembly drives the sliding block to slide in a reciprocating manner;
the driven connecting shaft is provided with a pushing disc body connected with a pushing connecting rod so as to drive the pushing plate to reciprocate.
10. The utility model provides a nut cold heading machine which characterized in that includes:
the press apparatus for a cold header of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290563.XU CN211464710U (en) | 2019-12-19 | 2019-12-19 | Stamping device for cold heading machine and nut cold heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290563.XU CN211464710U (en) | 2019-12-19 | 2019-12-19 | Stamping device for cold heading machine and nut cold heading machine |
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| CN211464710U true CN211464710U (en) | 2020-09-11 |
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| CN201922290563.XU Active CN211464710U (en) | 2019-12-19 | 2019-12-19 | Stamping device for cold heading machine and nut cold heading machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101561A (en) * | 2021-09-22 | 2022-03-01 | 浙江东瑞机械工业有限公司 | Seven mould seven towards dysmorphism cold heading make-up machines |
-
2019
- 2019-12-19 CN CN201922290563.XU patent/CN211464710U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101561A (en) * | 2021-09-22 | 2022-03-01 | 浙江东瑞机械工业有限公司 | Seven mould seven towards dysmorphism cold heading make-up machines |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The utility model relates to a stamping device and a nut cold upsetting machine for a cold upsetting machine Effective date of registration: 20211202 Granted publication date: 20200911 Pledgee: Jiangsu Yixing Rural Commercial Bank Co.,Ltd. Fangqiao sub branch Pledgor: Jiangsu Qunyi mechanical equipment Co.,Ltd. Registration number: Y2021320010520 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221021 Granted publication date: 20200911 Pledgee: Jiangsu Yixing Rural Commercial Bank Co.,Ltd. Fangqiao sub branch Pledgor: Jiangsu Qunyi mechanical equipment Co.,Ltd. Registration number: Y2021320010520 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Punching device and nut cold upsetting machine for cold upsetting machine Effective date of registration: 20221024 Granted publication date: 20200911 Pledgee: Jiangsu Yixing Rural Commercial Bank Co.,Ltd. Fangqiao sub branch Pledgor: Jiangsu Qunyi mechanical equipment Co.,Ltd. Registration number: Y2022320010607 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |