CN113580547A - Press mounting device with self-locking pressing function and using method - Google Patents
Press mounting device with self-locking pressing function and using method Download PDFInfo
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- CN113580547A CN113580547A CN202110796516.1A CN202110796516A CN113580547A CN 113580547 A CN113580547 A CN 113580547A CN 202110796516 A CN202110796516 A CN 202110796516A CN 113580547 A CN113580547 A CN 113580547A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 21
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a press mounting device with self-locking compression and a use method, wherein guide upright columns which are arranged in parallel are fixed on two sides of the top of a tool bottom plate, and a top plate is fixedly arranged on the top of each guide upright column; the lower part of the guide upright post is in sliding fit with a lifting plate through a guide sliding sleeve; an upper die assembly is fixedly mounted in the middle of the bottom end of the lifting plate; the upper die assembly is matched with the lower die assembly fixed in the middle of the top of the tool bottom plate, and the hot plastic pipe fitting to be processed is pressed and formed; the lifting plate is connected with a power device for providing press-fitting power through a self-locking type connecting rod mechanism; the power device is fixedly arranged on the top plate. This auto-lock closing device can be used for the end shrinkage cavity of thermoplastic pipe spare, and it can compress tightly the thermoplastic pipe spare end after heating through the mode that compresses tightly automatically, and then carries out the throat to it to guarantee that its throat is accomplished after, realize the auto-lock of mould through self-locking mechanism.
Description
Technical Field
The invention belongs to the field of pressing tools, and particularly relates to a pressing device with self-locking pressing and an operation method.
Background
In the process of processing the end shrinkage cavity of some thermoplastic pipe fittings, the basic process comprises the following steps: heating one end needing the shrinkage cavity, then sending the heated pipe orifice end into a press fitting mold for press fitting, and then maintaining the pressure for a period of time until the shrinkage end is shaped and reaches the preset size specification.
The existing press-fitting device adopts a manual lever type pressing device, one end of a lever needs to be manually pressed in the pressing process of the lever, a die is pressed through the lever, a pipe orifice is reduced, and after the reduction of the pipe orifice is completed, the end of the lever is pressed and pressure is maintained by means of a balancing weight. The lever type pressing device has the following problems in the specific use process: (1) the lever type mechanism needs to apply external force manually, and the manual operation intensity in the whole process is high; (2) in compressing tightly the technology process, need adopt the balancing weight to carry out the pressurize with lever mechanism, because required pressurize power is different, need the balancing weight of multiple different models, probably lead to the pressurize not enough, and then lead to the size deviation.
Disclosure of Invention
The invention aims to provide a press mounting device with self-locking compression and an operation method, the self-locking compression device can be used for shrinkage of an end of a thermoplastic pipe fitting, the heated end of the thermoplastic pipe fitting can be compressed in an automatic compression mode so as to be subjected to necking, and after the necking is finished, the self-locking of a die is realized through a self-locking mechanism so as to realize pressure maintaining and ensure the size specification of the necking.
In order to achieve the technical features, the invention is realized as follows: the press fitting device with self-locking compaction comprises a tool bottom plate, wherein guide stand columns which are arranged in parallel are fixed on two sides of the top of the tool bottom plate, and a top plate is fixedly installed on the tops of the guide stand columns; the lower part of the guide upright post is in sliding fit with a lifting plate through a guide sliding sleeve; an upper die assembly is fixedly mounted in the middle of the bottom end of the lifting plate; the upper die assembly is matched with the lower die assembly fixed in the middle of the top of the tool bottom plate, and the hot plastic pipe fitting to be processed is pressed and formed; the lifting plate is connected with a power device for providing press-fitting power through a self-locking type connecting rod mechanism; the power device is fixedly arranged on the top plate.
The top end of the guide upright post is fixedly connected with the top plate through a first nut.
And a limit stop is fixedly arranged on the guide upright post and positioned between the lifting plate and the top plate.
The top of frock bottom plate is located the lateral surface of roof and is provided with U type backplate, U type backplate adopts the sheet metal material to fold and forms.
The guide sliding sleeve is fixedly arranged on the lifting plate through a sliding sleeve flange.
Go up the mould subassembly including fixing the last mould mount pad of terminal surface under the lifter plate, the bottom of going up the mould mount pad has first mould through first flange fixed mounting.
The lower die assembly comprises a lower die mounting seat fixed at the top of the tool bottom plate, the lower die mounting seat is fixedly mounted on the tool bottom plate through a base bolt, and a lower half die is fixedly mounted at the top end of the lower die mounting seat through a lower half flange.
The self-locking type connecting rod mechanism comprises connecting seats symmetrically fixed at the top of the lifting plate, and the top end of each connecting seat is hinged and connected with the bottom end of the first connecting rod through a first pin shaft; the other end of the first connecting rod is hinged with the second connecting rod and the third connecting rod through a second pin shaft; the top end of the second connecting rod is hinged with a top connecting column through a third pin shaft, and the top connecting column is inversely and fixedly arranged on the top plate through a second nut; and the third connecting rod is hinged with the power device through a fourth pin shaft.
The power device comprises a cylinder body fixed at the top of the top plate, a piston rod of the cylinder body penetrates through a through hole in the top plate, a horizontal pressing plate is fixedly installed at the tail end of the piston rod, and two ends of the horizontal pressing plate are respectively hinged and connected with a third connecting rod of the self-locking type connecting rod mechanism through a fourth pin shaft.
The operation method of the press fitting device with the self-locking pressing function comprises the following steps:
step one, heating the end part of a thermoplastic pipe fitting needing shrinkage cavity by a heating device;
placing the end of the heated thermoplastic pipe fitting on a lower half mold of a lower mold assembly;
step three, starting a power device, driving a piston rod to move downwards through a cylinder body of the power device, driving a third connecting rod to move downwards through the piston rod, driving a first connecting rod and a second connecting rod through the third connecting rod, straightening the first connecting rod and the second connecting rod at the moment, driving a lifting plate to move downwards along a guide upright post through the first connecting rod, driving an upper die assembly to press downwards through the lifting plate, and further pressing the end part of the thermoplastic pipe on a lower half die to finish hole shrinkage;
when the first connecting rod and the second connecting rod are in a stretched state, the hinged parts of the first connecting rod and the second connecting rod are limited through limit stops, the extending state of a piston rod of the cylinder body is kept at the moment, the vertical locking state of the first connecting rod and the second connecting rod is further realized, and the pressing state of the lifting plate is finally kept;
and step five, after the pressure is maintained for a period of time, starting the power device, driving the piston rod to move upwards through the cylinder body of the power device, driving the third connecting rod through the piston rod to move upwards, driving the first connecting rod and the second connecting rod simultaneously through the third connecting rod, removing the vertical locking state of the first connecting rod and the second connecting rod, simultaneously driving the lifting plate to move upwards along the guide upright post under the driving of the first connecting rod, further separating the upper die assembly from the lower die assembly, and finally realizing the molding of the thermoplastic pipe fitting.
The invention has the following beneficial effects:
1. this auto-lock closing device can be used for the end shrinkage cavity of hot plastic pipe spare, and it can compress tightly the thermoplastic pipe spare end after heating through the mode that compresses tightly automatically, and then carries out the throat to it to guarantee that its throat is accomplished after, realize the auto-lock of mould through self-locking mechanism, and then realize the pressurize, guaranteed the size specification of throat.
2. Through foretell fixed mounting mode, guaranteed the stability that the guide post supported.
3. The self-locking connecting rod mechanism can be stopped and limited by the limit stop, so that the self-locking connecting rod mechanism is prevented from being incapable of self-locking due to over-rotation.
4. Through foretell direction sliding sleeve guaranteed that the lifter plate can be along the smooth and easy lift of direction stand.
5. The upper die assembly can be used for compressing the end head of the thermoplastic pipe fitting.
6. Can cooperate with last mould subassembly through foretell bed die subassembly, and then realize the end press fit of pipe fitting.
7. The self-locking connecting rod mechanism can realize self-locking of the upper die assembly and transmit power to the upper die assembly through the self-locking connecting rod mechanism.
8. Can be used for providing through power device and compress tightly power, and then realize the cooperation that compresses tightly between lower mould subassembly and the last mould subassembly.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a view showing the press-fitting apparatus of the present invention in an initial opened state.
Fig. 2 is a state diagram of the press-fitting device of the invention during press-fitting, pressure maintaining and self-locking.
In the figure: the hydraulic cylinder comprises a cylinder body 1, a second nut 2, a first nut 3, a top connecting column 4, a third pin shaft 5, a second connecting rod 6, a guide upright post 7, a limit stop 8, a first connecting rod 9, a first pin shaft 10, a top plate 11, a piston rod 12, a horizontal pressing plate 13, a fourth pin shaft 14, a third connecting rod 15, a second pin shaft 16, a sliding sleeve flange 17, a connecting seat 18, a lifting plate 19, a guide sliding sleeve 20, a base bolt 21, a lower half die 22, a lower half flange 23, a lower die mounting seat 24, a tooling bottom plate 25, a U-shaped guard plate 26, an upper half die 27, an upper half flange 28 and an upper die mounting seat 29.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-2, the press-fitting device with self-locking compression comprises a tool bottom plate 25, wherein guide columns 7 which are arranged in parallel are fixed on two sides of the top of the tool bottom plate 25, and a top plate 11 is fixedly installed on the top of each guide column 7; the lower part of the guide upright post 7 is in sliding fit with a lifting plate 19 through a guide sliding sleeve 20; an upper die assembly is fixedly arranged in the middle of the bottom end of the lifting plate 19; the upper die assembly is matched with the lower die assembly fixed in the middle of the top of the tool bottom plate 25, and the hot plastic pipe fitting to be processed is pressed and formed; the lifting plate 19 is connected with a power device for providing press-fitting power through a self-locking type connecting rod mechanism; the power device is fixedly arranged on the top plate 11. This auto-lock closing device can be used for the end shrinkage cavity of hot plastic pipe spare, and it can compress tightly the thermoplastic pipe spare end after heating through the mode that compresses tightly automatically, and then carries out the throat to it to guarantee that its throat is accomplished after, realize the auto-lock of mould through self-locking mechanism, and then realize the pressurize, guaranteed the size specification of throat. By adopting the press-fitting device, in the working process, the self-locking type connecting rod machine is driven by the power device, the lifting plate 19 is driven by the self-locking type connecting rod machine, the upper die assembly is driven by the lifting plate 19, and finally, press-fitting molding is realized by matching the upper die assembly with the lower die assembly.
Further, the top end of the guide upright post 7 is fixedly connected with the top plate 11 through the first nut 3. Through foretell fixed mounting mode, guaranteed the stability that guide post 7 supported.
Furthermore, a limit stop 8 is fixedly arranged on the guide upright post 7 and positioned between the lifting plate 19 and the top plate 11. The self-locking connecting rod mechanism can be blocked and limited by the limit stop 8, and the self-locking connecting rod mechanism is prevented from being incapable of self-locking due to over-rotation. The first link 9 and the second link 6 will straighten out during self-locking.
Further, the top of the tool bottom plate 25 and the outer side surface of the top plate 11 are provided with a U-shaped guard plate 26, and the U-shaped guard plate 26 is formed by folding a sheet metal material.
Further, the guide sliding sleeve 20 is fixedly mounted on the lifting plate 19 through a sliding sleeve flange 17. The smooth lifting of the lifting plate 19 along the guide post 7 is ensured by the guide sliding bush 20.
Further, go up the mould subassembly including fixing at lifter plate 19 lower terminal surface's last mould mount pad 29, the bottom of going up mould mount pad 29 has first mould 27 through first flange 28 fixed mounting. The upper die assembly can be used for compressing the end head of the thermoplastic pipe fitting.
Further, the lower die assembly comprises a lower die mounting seat 24 fixed at the top of the tooling bottom plate 25, the lower die mounting seat 24 is fixedly mounted on the tooling bottom plate 25 through a base bolt 21, and a lower half die 22 is fixedly mounted at the top end of the lower die mounting seat 24 through a lower half flange 23. Can cooperate with last mould subassembly through foretell bed die subassembly, and then realize the end press fit of pipe fitting.
Further, the self-locking type connecting rod mechanism comprises connecting seats 18 symmetrically fixed on the top of the lifting plate 19, and the top end of each connecting seat 18 is hinged and connected with the bottom end of the first connecting rod 9 through a first pin shaft 10; the other end of the first connecting rod 9 is hinged with the second connecting rod 6 and the third connecting rod 15 through a second pin shaft 16; the top end of the second connecting rod 6 is hinged with the top connecting column 4 through a third pin shaft 5, and the top connecting column 4 is inversely and fixedly arranged on the top plate 11 through a second nut 2; the third connecting rod 15 is hinged with the power device through a fourth pin 14. The self-locking connecting rod mechanism can realize self-locking of the upper die assembly and transmit power to the upper die assembly through the self-locking connecting rod mechanism. In the working process, the third connecting rod 15 is driven by the power device, the first connecting rod 9 and the second connecting rod 6 are driven simultaneously by the third connecting rod 15, and the lifting plate 19 is driven to lift by the first connecting rod 9. And when the first connecting rod 9 and the second connecting rod 6 are in a linear state, self-locking is realized.
Further, the power device comprises a cylinder body 1 fixed on the top of the top plate 11, a piston rod 12 of the cylinder body 1 penetrates through a through hole in the top plate 11, a horizontal pressing plate 13 is fixedly installed at the tail end of the piston rod 12, and two ends of the horizontal pressing plate 13 are respectively connected with a third connecting rod 15 of the self-locking type connecting rod mechanism in an articulated manner through a fourth pin shaft 14. Can be used for providing through power device and compress tightly power, and then realize the cooperation that compresses tightly between lower mould subassembly and the last mould subassembly. In the working process, the piston rod 12 is driven by the cylinder body 1, the piston rod 12 moves downwards and drives the third connecting rod 15, the third connecting rod 15 drives the first connecting rod 9 and the second connecting rod 6, the lifting plate is driven by the first connecting rod 9 and the second connecting rod 6 to lift, and the locking between the first connecting rod 9 and the second connecting rod can be realized.
Example 2:
the operation method of the press fitting device with the self-locking pressing function comprises the following steps:
step one, heating the end part of a thermoplastic pipe fitting needing shrinkage cavity by a heating device;
step two, placing the heated end of the thermoplastic pipe fitting on the lower half die 22 of the lower die assembly;
step three, starting a power device, driving a piston rod 12 to move downwards through a cylinder body 1 of the power device, driving a third connecting rod 15 to move downwards through the piston rod 12, driving a first connecting rod 9 and a second connecting rod 6 through the third connecting rod 15, straightening the first connecting rod 9 and the second connecting rod 6 at the moment, driving a lifting plate 19 to move downwards along a guide upright post 7 through the first connecting rod 9, driving an upper die assembly to press downwards through the lifting plate 19, and further pressing the end part of the thermoplastic pipe fitting on a lower half die 22 to finish hole shrinkage;
step four, when the first connecting rod 9 and the second connecting rod 6 are in the extended state, the hinged parts of the first connecting rod and the second connecting rod are limited through the limit stop 8, the extending state of the piston rod of the cylinder body 1 is kept at the moment, the vertical locking state of the first connecting rod 9 and the second connecting rod 6 is further realized, and the pressing state of the lifting plate 19 is finally kept;
and step five, after the pressure is maintained for a period of time, starting the power device, driving the piston rod 12 to move upwards through the cylinder body 1 of the power device, driving the third connecting rod 15 through the piston rod 12, driving the first connecting rod 9 and the second connecting rod 6 simultaneously through the third connecting rod 15, releasing the vertical locking state of the first connecting rod 9 and the second connecting rod 6, simultaneously driving the lifting plate 19 to move upwards along the guide upright post 7 under the driving of the first connecting rod 9, further separating the upper die assembly from the lower die assembly, and finally realizing the molding of the thermoplastic pipe fitting.
The principle of the invention is as follows:
through the self-locking type connecting rod mechanism, the first connecting rod 9 and the second connecting rod 6 can be ensured to be in a locking self-locking state after being straightened.
Claims (10)
1. Pressure equipment device with auto-lock compresses tightly, its characterized in that: the tool comprises a tool bottom plate (25), wherein guide upright columns (7) which are arranged in parallel are fixed on two sides of the top of the tool bottom plate (25), and a top plate (11) is fixedly installed on the top of each guide upright column (7); the lower part of the guide upright post (7) is matched with a lifting plate (19) in a sliding way through a guide sliding sleeve (20); an upper die assembly is fixedly arranged in the middle of the bottom end of the lifting plate (19); the upper die assembly is matched with the lower die assembly fixed in the middle of the top of the tooling bottom plate (25), and the hot plastic pipe fitting to be processed is pressed and formed; the lifting plate (19) is connected with a power device for providing press-fitting power through a self-locking type connecting rod mechanism; the power device is fixedly arranged on the top plate (11).
2. A press-fitting device with self-locking compression as set forth in claim 1, wherein: the top end of the guide upright post (7) is fixedly connected with the top plate (11) through a first nut (3).
3. A press-fitting device with self-locking pressing according to claim 1 or 2, wherein: and a limit stop (8) is fixedly arranged on the guide upright post (7) and positioned between the lifting plate (19) and the top plate (11).
4. A press-fitting device with self-locking compression as set forth in claim 1, wherein: the top of frock bottom plate (25) is located the lateral surface of roof (11) and is provided with U type backplate (26), U type backplate (26) adopt the sheet metal material to fold and form.
5. A press-fitting device with self-locking compression as set forth in claim 1, wherein: the guide sliding sleeve (20) is fixedly arranged on the lifting plate (19) through a sliding sleeve flange (17).
6. A press-fitting device with self-locking compression as set forth in claim 1, wherein: go up the mould subassembly including fixing last mould mount pad (29) at lifter plate (19) lower terminal surface, the bottom of going up mould mount pad (29) has first mould (27) through first flange (28) fixed mounting.
7. A press-fitting device with self-locking compression as set forth in claim 1, wherein: the lower die assembly comprises a lower die mounting seat (24) fixed at the top of a tooling bottom plate (25), the lower die mounting seat (24) is fixedly mounted on the tooling bottom plate (25) through a base bolt (21), and the top end of the lower die mounting seat (24) is fixedly provided with a lower half die (22) through a lower half flange (23).
8. A press-fitting device with self-locking compression as set forth in claim 1, wherein: the self-locking type connecting rod mechanism comprises connecting seats (18) symmetrically fixed at the top of a lifting plate (19), and the top end of each connecting seat (18) is hinged and connected with the bottom end of a first connecting rod (9) through a first pin shaft (10); the other end of the first connecting rod (9) is hinged with the second connecting rod (6) and the third connecting rod (15) through a second pin shaft (16); the top end of the second connecting rod (6) is hinged with the top connecting column (4) through a third pin shaft (5), and the top connecting column (4) is inversely and fixedly arranged on the top plate (11) through a second nut (2); and the third connecting rod (15) is hinged with the power device through a fourth pin shaft (14).
9. A press-fitting device with self-locking pressing according to claim 1 or 8, wherein: the power device comprises a cylinder body (1) fixed at the top of a top plate (11), a piston rod (12) of the cylinder body (1) penetrates through a through hole in the top plate (11), a horizontal pressing plate (13) is fixedly installed at the tail end of the piston rod (12), and two ends of the horizontal pressing plate (13) are respectively connected with a third connecting rod (15) of the self-locking type connecting rod mechanism in a hinged mode through a fourth pin shaft (14).
10. A method of operating a press-fitting apparatus with self-locking press-fitting as set forth in any one of claims 1 to 9, comprising the steps of:
step one, heating the end part of a thermoplastic pipe fitting needing shrinkage cavity by a heating device;
secondly, placing the end head of the heated thermoplastic pipe fitting on a lower half mould (22) of a lower mould assembly;
step three, starting a power device, driving a piston rod (12) to move downwards through a cylinder body (1) of the power device, driving a third connecting rod (15) to move downwards through the piston rod (12), driving a first connecting rod (9) and a second connecting rod (6) through the third connecting rod (15), straightening the first connecting rod (9) and the second connecting rod (6), simultaneously driving a lifting plate (19) to move downwards along a guide upright post (7) through the first connecting rod (9), driving an upper die assembly to press downwards through the lifting plate (19), further pressing the end part of the thermoplastic pipe on a lower half die (22), and completing hole shrinkage;
fourthly, when the first connecting rod (9) and the second connecting rod (6) are in a stretched state, the hinged parts of the first connecting rod and the second connecting rod are limited through a limit stop (8), the piston rod of the cylinder body (1) is kept in an extending state at the moment, the vertical locking state of the first connecting rod (9) and the second connecting rod (6) is further realized, and the pressing state of the lifting plate (19) is finally kept;
and step five, after the pressure is maintained for a period of time, starting the power device, driving the piston rod (12) to move upwards through the cylinder body (1) of the power device, driving the third connecting rod (15) to move upwards through the piston rod (12), driving the first connecting rod (9) and the second connecting rod (6) simultaneously through the third connecting rod (15), releasing the vertical locking state of the piston rod and the third connecting rod, driving the lifting plate (19) to move upwards along the guide upright post (7) under the driving of the first connecting rod (9), further enabling the upper die assembly to be separated from the lower die assembly, and finally realizing the molding of the thermoplastic pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110796516.1A CN113580547A (en) | 2021-07-14 | 2021-07-14 | Press mounting device with self-locking pressing function and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110796516.1A CN113580547A (en) | 2021-07-14 | 2021-07-14 | Press mounting device with self-locking pressing function and using method |
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| Publication Number | Publication Date |
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| CN113580547A true CN113580547A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110796516.1A Pending CN113580547A (en) | 2021-07-14 | 2021-07-14 | Press mounting device with self-locking pressing function and using method |
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| CN (1) | CN113580547A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649456A (en) * | 2021-10-21 | 2021-11-16 | 广东鸿钢智能装备有限公司 | Crank type servo blanking machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209418701U (en) * | 2019-03-20 | 2019-09-20 | 无锡先导智能装备股份有限公司 | Battery core fixture and four-in-one molding equipment |
| CN110861276A (en) * | 2019-11-27 | 2020-03-06 | 天长市诚信塑业有限公司 | Polycarbonate pipe forming die with quick locking structure |
-
2021
- 2021-07-14 CN CN202110796516.1A patent/CN113580547A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209418701U (en) * | 2019-03-20 | 2019-09-20 | 无锡先导智能装备股份有限公司 | Battery core fixture and four-in-one molding equipment |
| CN110861276A (en) * | 2019-11-27 | 2020-03-06 | 天长市诚信塑业有限公司 | Polycarbonate pipe forming die with quick locking structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649456A (en) * | 2021-10-21 | 2021-11-16 | 广东鸿钢智能装备有限公司 | Crank type servo blanking machine |
| CN113649456B (en) * | 2021-10-21 | 2022-01-04 | 广东鸿钢智能装备有限公司 | Crank type servo blanking machine |
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Application publication date: 20211102 |