CN111531149A - 8-shaped buckle pressing mechanism - Google Patents
8-shaped buckle pressing mechanism Download PDFInfo
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- CN111531149A CN111531149A CN202010400588.5A CN202010400588A CN111531149A CN 111531149 A CN111531149 A CN 111531149A CN 202010400588 A CN202010400588 A CN 202010400588A CN 111531149 A CN111531149 A CN 111531149A
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- assembly
- die
- casting
- lifting
- pressing mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000004512 die casting Methods 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 26
- 238000007599 discharging Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/26—Mechanisms or devices for locking or opening dies
- B22D17/263—Mechanisms or devices for locking or opening dies mechanically
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Automatic Assembly (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to an 8-shaped buckle pressing mechanism which comprises a rack, a lifting assembly, a die-casting assembly, a buckling assembly and a driving assembly, wherein the lifting assembly, the die-casting assembly, the buckling assembly and the driving assembly are arranged on the rack; the buckling assembly is arranged on the inner side of the lifting assembly and comprises a pushing rod and an installation seat, the pushing rod is arranged on the installation seat, and the lifting assembly is connected with and drives the pushing rod of the buckling assembly to push the materials to advance and buckle; the drive assembly is connected with die-casting subassembly, lifting unit detachably respectively, and drive assembly is used for controlling drive lifting unit and die-casting subassembly and reciprocates. In the die-casting process, the pressing mechanism enables the convex block on the retaining ring to be stressed in a balanced manner, and the flattened part does not have the phenomena of cracks and the like, so that the service life is greatly prolonged.
Description
The invention is a divisional application, and the application date of the parent application is as follows: 3, 12 months in 2019; the application numbers are: 201910184116.8, respectively; the invention has the name: a 8-shaped buckle pressing mechanism.
Technical Field
The invention relates to the technical field of pressing equipment, in particular to an 8-shaped buckle pressing mechanism.
Background
At present, 8-shaped buttons are fastened by a pressing machine for die casting, wherein the die casting process is a process for unifying process factors such as pressure, speed and time. Meanwhile, the process factors influence each other, restrict each other and complement each other. Only by properly selecting and adjusting these factors to be in harmony, the desired results can be achieved. However, in the actual die casting process, the unbalanced stress causes the buckling life of the 8-shaped buckle to be short, thereby increasing the use cost.
Based on the problems, the invention provides a pressing mechanism aiming at the technical problem that the service life of an 8-shaped buckle is short due to unbalanced stress in the die-casting process.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides an 8-shaped buckle pressing mechanism.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the utility model provides a pressing mechanism is detained to 8 words, this pressing mechanism include the frame and install lift subassembly, die-casting subassembly, lock subassembly and the drive assembly in the frame, wherein:
the die-casting assembly comprises a fixed seat, a sliding rod and a die-casting rod, wherein the fixed seat is provided with a sliding chute, the sliding rod is arranged in the sliding chute in a sliding manner, and the die-casting rod is connected with the sliding rod and used for die-casting materials;
the buckling assembly is arranged on the inner side of the lifting assembly and comprises a pushing rod and an installation seat, the pushing rod is arranged on the installation seat, and the lifting assembly is connected with and drives the pushing rod of the buckling assembly to push materials to advance and buckle;
the drive assembly is detachably connected with the die-casting assembly and the lifting assembly respectively, and the drive assembly is used for controlling the drive lifting assembly and the die-casting assembly to move up and down.
Further, lifting unit includes mounting panel, gear train, transmission shaft, lift axle and promotion portion, the mounting panel comprises three first mounting panel, second mounting panel and the third mounting panel that centers on forming installation space each other, gear train and lift axle all set up in the installation space, the gear train comprises cooperation driven master gear and follow gear, the master gear is installed in the upper end of mounting panel, is located the master gear below from the gear, first mounting panel, master gear and second mounting panel are passed in proper order to the transmission shaft, just the one end and the first mounting panel detachably of transmission shaft are connected, and the other end and the promotion portion detachably of transmission shaft are connected, the epaxial rack that is equipped with of lift, the rack cooperatees the transmission with the gear train.
Furthermore, the lower end of the lifting shaft is connected with the driving assembly, the driving assembly drives the lifting shaft to move up and down, the gear set matched with the rack on the lifting shaft rotates along with the up-and-down movement of the lifting shaft, the transmission shaft and the pushing portion are driven to rotate, and the pushing portion rotates to push the pushing rod to perform pressing action or rotary reset.
Furthermore, a threaded hole is formed in the side portion of the pushing portion, a hole channel corresponding to the threaded hole is formed in the curved surface of the transmission shaft, and the pushing portion is connected with the transmission shaft through bolts sequentially penetrating through the threaded hole and the hole channel.
Furthermore, a plurality of elastic components are arranged below the pushing rod.
Further, drive assembly includes motor, connecting rod and crossbeam, be equipped with the carousel on the output shaft of motor, the carousel rotates with the one end of connecting rod is eccentric to be connected, the other end of connecting rod is connected with the middle part of crossbeam, the crossbeam is connected with die-casting subassembly, lifting unit respectively.
Furthermore, the motor pushes the cross beam to move up and down through a crank structure consisting of the turntable and the connecting rod, and the cross beam is connected with and drives the lifting shaft to slide up and down.
Furthermore, this pressing mechanism still includes ejection of compact subassembly for export off-the-shelf material, ejection of compact subassembly includes bottom plate and two blocks of curb plates, two the curb plate is installed in the both sides of bottom plate in order to form discharging channel, and 8 word after the die-casting are detained and are passed through discharging channel flows.
Furthermore, this pressing mechanism still includes the pay-off subassembly for carry the raw materials, the pay-off subassembly includes pay-off vibrations dish and delivery sheet, the one end and the pay-off vibrations dish of delivery sheet are connected, are equipped with the pay-off passageway on the delivery sheet, the end of pay-off passageway sets up in the place ahead of push rod.
Further, the frame includes workstation and a plurality of support frame, the support frame is connected in the workstation below, provides the support, lifting unit, die-casting subassembly and lock subassembly all set up on the workstation.
The invention has the beneficial effects that:
the die-casting rod of the pressing mechanism slides downwards along with the sliding rod to perform die-casting downwards, and can flatten the convex block, so that the two buckle rings are buckled together to form an 8-shaped buckle, the convex block on the buckle ring is stressed in a balanced manner in the die-casting process, the flattened part does not have the phenomena of cracks and the like, and the service life is greatly prolonged.
Drawings
FIG. 1 is a schematic structural view of an 8-shaped buckle pressing mechanism according to the present invention;
fig. 2 is a top view of the 8-shaped button pressing mechanism of the present invention.
The reference numbers in the figures illustrate: 10. a frame; 101. a work table; 102. a support frame; 11. a lifting assembly; 111. mounting a plate; 112. a gear set; 113. a drive shaft; 114. a lifting shaft; 115. a pushing part; 12. a die cast component; 121. a fixed seat; 122. a slide bar; 123. die-casting the rod; 13. a fastening component; 131. a push rod; 132. a mounting seat; 14. a drive assembly; 141. a motor; 142. a connecting rod; 143. a cross beam; 144. a turntable; 15. a discharge assembly; 151. a base plate; 152. a side plate; 16. a feeding assembly; 161. feeding a vibration disc; 162. a feeding plate.
Detailed Description
The present invention will be described in detail with reference to the drawings in conjunction with examples, and unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 and fig. 2, an 8-shaped buckle pressing mechanism includes a frame 10, and a lifting assembly 11, a die-casting assembly 12, a buckling assembly 13, and a driving assembly 14 mounted on the frame 10, wherein:
the die casting component 12 comprises a fixed seat 121, a sliding rod 122 and a die casting rod 123, wherein a sliding groove is formed in the fixed seat 121, the sliding rod 122 is slidably arranged in the sliding groove, and the die casting rod 123 is connected with the sliding rod 122 and used for die casting materials;
the buckling component 13 is arranged on the inner side of the lifting component 11, the buckling component 13 comprises a pushing rod 131 and a mounting seat 132, the pushing rod 131 is arranged on the mounting seat 132, in this embodiment, the mounting seat 131 is arranged on the workbench 101, and the lifting component 11 is connected with and drives the pushing rod 131 of the buckling component 13 to push the materials to advance for buckling;
the driving assembly 14 is detachably connected with the die casting assembly 12 and the lifting assembly 11, and the driving assembly 14 is used for controlling the lifting assembly 11 and the die casting assembly 12 to move up and down.
Lifting unit 11 includes mounting panel 111, gear train 112, transmission shaft 113, lift axle 114 and promotion portion 115, mounting panel 111 comprises three first mounting panel, second mounting panel and the third mounting panel that centers on forming installation space each other, gear train 112 and lift axle 114 all set up in the installation space, gear train 112 comprises cooperation driven main gear and follow gear, the main gear is installed in mounting panel 111's upper end, is located the main gear below from the gear, first mounting panel, main gear and second mounting panel are passed in proper order to transmission shaft 113, just transmission shaft 113's one end and first mounting panel detachably connection, transmission shaft 113's the other end and promotion portion 115 detachably connection, be equipped with the rack on the lift axle 114, the rack cooperatees the transmission with gear train 112.
The lower end of the lifting shaft 114 is connected to the driving assembly 14, the driving assembly 14 drives the lifting shaft 114 to move up and down, the gear set 112 matched with the rack on the lifting shaft 114 moves up and down along with the lifting shaft 114 to rotate, so as to drive the transmission shaft 113 and the pushing portion 115 to rotate, the pushing portion 115 rotates to push the pushing rod 131 to perform a pressing action or a rotational reset, in this embodiment, when the lifting shaft 114 moves down, the pushing portion 115 rotates counterclockwise to push the pushing rod 131 to perform a pressing operation, and when the lifting shaft 114 moves up, the pushing portion 115 rotates clockwise to return to an initial position.
In addition, in the embodiment, a gap is formed between the pushing portion 115 and the first mounting plate, so that when the pushing portion 115 rotates, friction is not generated between the pushing portion 115 and the first mounting plate to hinder the operation of the pushing portion 115, which may cause the lifting assembly 11 to fail to operate, or even damage the machine.
The detachable connection of one end of the transmission shaft 113 and the first mounting plate can be a bolt connection or a screw connection, and in this embodiment, a screw connection is preferred.
The other end of the transmission shaft 113 is detachably connected with the pushing part 115 by a bolt.
The side of the pushing part 115 is provided with a threaded hole, the curved surface of the transmission shaft 113 is provided with a pore channel corresponding to the threaded hole, and the pushing part 115 is connected with the transmission shaft 113 by a bolt passing through the threaded hole and the pore channel in sequence.
A plurality of elastic members, preferably springs in this embodiment, are disposed below the push rod 131.
The driving assembly 14 comprises a motor 141, a connecting rod 142 and a cross beam 143, a turntable 144 is mounted on an output shaft of the motor 141, the turntable 144 is eccentrically and rotatably connected with one end of the connecting rod 142, the other end of the connecting rod 142 is connected with the middle of the cross beam 143, and the cross beam 143 is respectively connected with the die-casting assembly 12 and the lifting assembly 11.
The motor 141 pushes the beam 143 to move up and down through a crank structure formed by the turntable 144 and the connecting rod 142, the beam 143 is connected to and drives the lifting shafts 114 to slide up and down, in this embodiment, the two lifting shafts 114 are respectively connected to two ends of the beam 143 through bolts, specifically, the lifting shafts 114 have threads, and the lifting shafts 114 pass through the beam 143 and are mounted on the beam 143 through the bolts.
This pressing mechanism still includes ejection of compact subassembly 15 for export off-the-shelf material, ejection of compact subassembly 15 includes bottom plate 151 and two curb plates 152, two curb plate 152 installs in the both sides of bottom plate 151 in order to form discharging channel, and 8 word after the die-casting are detained and are passed through discharging channel flows.
The pressing mechanism further comprises a feeding assembly 16 used for conveying raw materials, the feeding assembly 16 comprises a feeding vibration disc 161 and a feeding plate 162, one end of the feeding plate 162 is connected with the feeding vibration disc 161, a feeding channel is arranged on the feeding plate 162, and the tail end of the feeding channel is arranged in front of the pushing rod 131.
Principle of the invention
When the convex block arranged on the conventional buckle passes through the other half of the buckle and is arranged in the buckle, the die-casting rod 123 slides downwards along with the slide rod 122 to die-cast the convex block, so that the convex block is flattened, the two buckle rings are buckled together to form an 8-shaped buckle, the stress of the convex block on the buckle ring is balanced in the die-casting process, the flattened part cannot crack, and the service life is greatly prolonged.
In addition, it should be noted that the terms "first", "second", "third", and the like in the specification are used for distinguishing various components, elements, steps, and the like in the specification, and are not used for indicating a logical relationship or a sequential relationship between the various components, elements, steps, and the like, unless otherwise specified or indicated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an 8 word knot pressing mechanism, its characterized in that, this pressing mechanism include frame (10) and install lift subassembly (11), die-casting subassembly (12), lock subassembly (13) and drive assembly (14) on frame (10), wherein:
the die-casting assembly (12) comprises a fixed seat (121), a sliding rod (122) and a die-casting rod (123), wherein a sliding groove is formed in the fixed seat (121), the sliding rod (122) is slidably arranged in the sliding groove, and the die-casting rod (123) is connected with the sliding rod (122) together and used for die-casting materials;
the buckling component (13) is arranged on the inner side of the lifting component (11), the buckling component (13) comprises a pushing rod (131) and a mounting seat (132), the pushing rod (131) is arranged on the mounting seat (132), and the lifting component (11) is connected with and drives the pushing rod (131) of the buckling component (13) to push materials to advance for buckling;
the driving assembly (14) is detachably connected with the die-casting assembly (12) and the lifting assembly (11) respectively, and the driving assembly (14) is used for controlling the lifting assembly (11) and the die-casting assembly (12) to move up and down;
lifting unit (11) includes mounting panel (111), gear train (112), transmission shaft (113), lift axle (114) and promotion portion (115), mounting panel (111) comprises three first mounting panel, second mounting panel and the third mounting panel that centers on each other and form installation space, gear train (112) and lift axle (114) all set up in the installation space, gear train (112) comprise the driven master gear of cooperation and follow the gear, the master gear is installed in the upper end of mounting panel (111), lies in the master gear below from the gear, first mounting panel, master gear and second mounting panel are passed in proper order in transmission shaft (113), just the one end and the first mounting panel detachably of transmission shaft (113) are connected, and the other end and the promotion portion (115) detachably of transmission shaft (113) are connected, be equipped with the rack on lift axle (114), the rack is in matched transmission with the gear set (112);
this pressing mechanism still includes ejection of compact subassembly (15) for export off-the-shelf material, ejection of compact subassembly (15) are including bottom plate (151) and two curb plates (152), two install in the both sides of bottom plate (151) in order to form discharging channel in curb plate (152), and 8 word after the die-casting are detained and are passed through discharging channel flows.
2. The figure-8 buckle pressing mechanism according to claim 1, wherein the lower end of the lifting shaft (114) is connected with the driving component (14), the driving component (14) drives the lifting shaft (114) to move up and down, the gear set (112) matched with the rack on the lifting shaft (114) moves up and down along with the lifting shaft (114) to rotate, so as to drive the transmission shaft (113) and the pushing part (115) to rotate, and the pushing part (115) rotates to push the pushing rod (131) to perform pressing action or rotary reset.
3. The 8-shaped buckle pressing mechanism according to claim 1, wherein a threaded hole is formed in the side portion of the pushing portion (115), a hole channel corresponding to the threaded hole is formed in the curved surface of the transmission shaft (113), and the pushing portion (115) is connected with the transmission shaft (113) through bolts sequentially penetrating through the threaded hole and the hole channel.
4. The 8-shaped buckle pressing mechanism according to claim 1 or 2, wherein a plurality of elastic components are arranged below the pushing rod (131).
5. The figure-8 buckle pressing mechanism according to claim 1 or 2, wherein the driving assembly (14) comprises a motor (141), a connecting rod (142) and a cross beam (143), a rotating disc (144) is mounted on an output shaft of the motor (141), the rotating disc (144) is eccentrically and rotatably connected with one end of the connecting rod (142), the other end of the connecting rod (142) is connected with the middle part of the cross beam (143), and the cross beam (143) is respectively connected with the die-casting assembly (12) and the lifting assembly (11).
6. The button pressing mechanism according to claim 1, wherein the motor (141) pushes the beam (143) to move up and down through a crank structure formed by the rotating disc (144) and the connecting rod (142), and the beam (143) is connected with and drives the lifting shaft (114) to slide up and down.
7. The letter-8 fastener pressing mechanism according to claim 1 or 2, further comprising a feeding assembly (16) for feeding raw materials, wherein the feeding assembly (16) comprises a feeding vibration plate (161) and a feeding plate (162), one end of the feeding plate (162) is connected with the feeding vibration plate (161), a feeding channel is arranged on the feeding plate (162), and the end of the feeding channel is arranged in front of the pushing rod (131).
8. The figure-8 buckle pressing mechanism according to claim 1, wherein the frame (10) comprises a workbench (101) and a plurality of support frames (102), the support frames (102) are connected below the workbench (101) to provide support, and the lifting assembly (11), the die-casting assembly (12) and the buckling assembly (13) are all arranged on the workbench (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010400588.5A CN111531149B (en) | 2019-03-12 | 2019-03-12 | 8-shaped buckle pressing mechanism |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184116.8A CN109848393B (en) | 2019-03-12 | 2019-03-12 | 8-shaped buckle pressing mechanism |
| CN202010400588.5A CN111531149B (en) | 2019-03-12 | 2019-03-12 | 8-shaped buckle pressing mechanism |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910184116.8A Division CN109848393B (en) | 2019-03-12 | 2019-03-12 | 8-shaped buckle pressing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111531149A true CN111531149A (en) | 2020-08-14 |
| CN111531149B CN111531149B (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910184116.8A Active CN109848393B (en) | 2019-03-12 | 2019-03-12 | 8-shaped buckle pressing mechanism |
| CN202010400588.5A Active CN111531149B (en) | 2019-03-12 | 2019-03-12 | 8-shaped buckle pressing mechanism |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910184116.8A Active CN109848393B (en) | 2019-03-12 | 2019-03-12 | 8-shaped buckle pressing mechanism |
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| CN (2) | CN109848393B (en) |
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| JPH02167630A (en) * | 1988-12-19 | 1990-06-28 | Matsushita Electric Ind Co Ltd | Feeding device for parts |
| CN203380586U (en) * | 2013-07-16 | 2014-01-08 | 福建省邦手氟塑制品有限公司 | Automatic buckling machine |
| CN103894816A (en) * | 2014-03-19 | 2014-07-02 | 珠海格力电器股份有限公司 | Pressing and clamping machine |
| CN106826195A (en) * | 2017-03-28 | 2017-06-13 | 广东统机器人智能股份有限公司 | A kind of sling automatic assembling |
| CN107010403A (en) * | 2017-04-27 | 2017-08-04 | 东莞市迈悦五金塑胶制品有限公司 | It is a kind of to be used for the automatic assembling of opening head and torsion spring |
| CN206912625U (en) * | 2017-07-27 | 2018-01-23 | 长兴金润大正机械有限公司 | A kind of terminal block machine of battery |
| CN207522003U (en) * | 2017-11-21 | 2018-06-22 | 东莞理工学院 | A kind of button motor auto-stitching machine |
| CN108971929A (en) * | 2018-09-03 | 2018-12-11 | 浙江省平湖高级技工学校 | O-ring automatic setup system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203665051U (en) * | 2014-02-11 | 2014-06-25 | 蔡德庆 | Shoe buckle automatic assembling machine |
| KR101913804B1 (en) * | 2017-10-11 | 2018-12-28 | 이명자 | Die casting mold device for making button |
| CN207788192U (en) * | 2018-01-02 | 2018-08-31 | 泉州宇诺机械有限公司 | A kind of fastener assembly machine |
| CN108311665A (en) * | 2018-04-20 | 2018-07-24 | 东莞理工学院 | A kind of die casting machine of sleeve fastener |
| CN208528050U (en) * | 2018-06-26 | 2019-02-22 | 大连坤达汽车零部件制造有限公司 | A kind of modified partition ring mold |
| CN209830231U (en) * | 2019-03-12 | 2019-12-24 | 苏州经贸职业技术学院 | 8-shaped buckle pressing mechanism |
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2019
- 2019-03-12 CN CN201910184116.8A patent/CN109848393B/en active Active
- 2019-03-12 CN CN202010400588.5A patent/CN111531149B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02167630A (en) * | 1988-12-19 | 1990-06-28 | Matsushita Electric Ind Co Ltd | Feeding device for parts |
| CN203380586U (en) * | 2013-07-16 | 2014-01-08 | 福建省邦手氟塑制品有限公司 | Automatic buckling machine |
| CN103894816A (en) * | 2014-03-19 | 2014-07-02 | 珠海格力电器股份有限公司 | Pressing and clamping machine |
| CN106826195A (en) * | 2017-03-28 | 2017-06-13 | 广东统机器人智能股份有限公司 | A kind of sling automatic assembling |
| CN107010403A (en) * | 2017-04-27 | 2017-08-04 | 东莞市迈悦五金塑胶制品有限公司 | It is a kind of to be used for the automatic assembling of opening head and torsion spring |
| CN206912625U (en) * | 2017-07-27 | 2018-01-23 | 长兴金润大正机械有限公司 | A kind of terminal block machine of battery |
| CN207522003U (en) * | 2017-11-21 | 2018-06-22 | 东莞理工学院 | A kind of button motor auto-stitching machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109848393A (en) | 2019-06-07 |
| CN111531149B (en) | 2020-12-18 |
| CN109848393B (en) | 2020-06-12 |
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Effective date of registration: 20240327 Address after: 230000 B-2704, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: HEFEI LONGZHI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Country or region after: China Address before: Suzhou Vocational and Technical College of Economics and Trade, No. 287 Xuefu Road, North District of International Education Park, Suzhou High tech Zone, Jiangsu Province, 215000 Patentee before: SUZHOU INSTITUTE OF TRADE & COMMERCE Country or region before: China |
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