CN109848671B - Automatic pin assembling equipment - Google Patents
Automatic pin assembling equipment Download PDFInfo
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- CN109848671B CN109848671B CN201910166366.9A CN201910166366A CN109848671B CN 109848671 B CN109848671 B CN 109848671B CN 201910166366 A CN201910166366 A CN 201910166366A CN 109848671 B CN109848671 B CN 109848671B
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- frame
- partition plate
- needle closing
- ejection
- swing rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 140
- 238000005192 partition Methods 0.000 claims abstract description 60
- 238000007599 discharging Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 43
- 238000003756 stirring Methods 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Sewing Machines And Sewing (AREA)
- Automatic Assembly (AREA)
Abstract
The automatic pin assembling equipment is characterized by comprising a frame, wherein the frame comprises a mechanism body, a first partition plate, a second partition plate, a third partition plate, a movable trundle and a positioning foot post which are arranged at the bottom of the frame body, a discharging mechanism arranged on the top surface of the right end of the frame, a feeding mechanism and a jacking mechanism which are arranged on the top surface of the first partition plate of the frame, a pulling mechanism, a positioning mechanism, a detecting mechanism and a pin closing mechanism which are arranged on the top of the second partition plate of the frame, an operating mechanism which is arranged at the left front end of the first partition plate of the frame, and a power device which is vertically arranged at the center of the frame. The left side of the material ejection mechanism is provided with a third baffle, and the left side of the third baffle is provided with a swing rod clamping mechanism.
Description
Technical Field
The invention relates to product assembling equipment, in particular to automatic pin assembling equipment which is widely applied to automatic pin assembling.
Background
The pin is a common hanging hardware, the existing pin is assembled on the pin base by manpower, then the pin base and the pin are clamped by pliers, and then the pin is manually retracted, so that the pin is heavy in work and low in efficiency, and is not suitable for industrial production.
Disclosure of Invention
Aiming at the problems, the invention provides a pin and pin base assembly device which is driven by a motor and is driven by a coupler, a gear, cam transmission and swing rod transmission to complete the assembly and pin closing work of a double-material-channel vibration discharging mechanism.
The invention comprises a frame, wherein the frame comprises a mechanism body, a first partition plate, a second partition plate, a third partition plate, a movable trundle and a positioning foot post which are arranged at the bottom of the frame body, a discharging mechanism arranged on the top surface of the right end of the frame, a feeding mechanism and a jacking mechanism which are arranged on the top surface of the first partition plate of the frame, a pulling mechanism, a positioning mechanism, a detecting mechanism and a needle closing mechanism which are arranged on the top of the second partition plate of the frame, an operating mechanism which is arranged at the left front end of the first partition plate of the frame, and a power device which is vertically arranged at the center of the frame. The left side of the material ejection mechanism is provided with a third partition plate, and the left side of the third partition plate is provided with a swing rod clamping mechanism.
The power device is vertically arranged at the center of the frame and penetrates through the first partition plate and the second partition plate, and the power device comprises a transmission shaft, a coupler arranged at the bottom end of the transmission shaft, a driving motor arranged at the bottom end of the coupler, a jacking driving tooth arranged in the middle of the transmission shaft and a positioning driving tooth arranged at the top of the transmission shaft.
The material discharging mechanism is arranged on the right side of the feeding mechanism, a material belt of the material discharging mechanism is connected with a material belt of the feeding mechanism, the material discharging mechanism comprises a material discharging vibrator and a material belt connector, the material discharging vibrator comprises a vibration frame, a circular material discharging disc arranged at the top of the vibration frame, a vibration motor arranged at the bottom of the vibration frame and a material feeding groove arranged on the left side of the circular material discharging disc.
The feeding mechanism is arranged at the right front end of the top of the second partition plate and comprises a feeding vibrator, a feeding groove is arranged at the top of the feeding vibrator, the right end of the feeding groove is connected with the feeding groove of the discharging mechanism, and a feeding belt is arranged in the feeding groove.
The positioning mechanism is arranged at the left rear end of the top of the second partition plate and comprises a positioning driven wheel meshed with the positioning driving wheel, a positioning transmission shaft arranged on the positioning driven wheel, a positioning cam arranged at the front end of the positioning transmission shaft, positioning pressing blocks arranged below the positioning cam, four positioning pressing block reset springs arranged at the bottom of the positioning pressing blocks and a material belt positioning pin arranged on a central sheet at the bottom of the palm positioning pressing blocks.
The needle closing mechanism is arranged at the left rear end of the third partition plate and comprises a needle closing sliding rail, a needle closing sliding block which is slidably arranged on the needle closing sliding rail, a needle closing driving rod which is fixed on the needle closing sliding block, a needle closing rotating shaft which is arranged below the Guan Zhen driving rod, a needle closing cam which is arranged at the left end of the Guan Zhen driving rod, a needle closing guide block which is arranged at the top of the Guan Zhen driving rod, a needle closing base plate which is arranged between the Guan Zhen guide block and the needle closing driving rod, and a needle closing driving wheel which is arranged at the right end of the Guan Zhen driving rod, wherein the Guan Zhen driving wheel is meshed with the ejection driving tooth.
The material stirring mechanism is arranged at the front end of the positioning mechanism above the second partition plate and comprises a material stirring sliding rail, a material stirring base plate arranged on the material stirring sliding rail, a material stirring cam arranged on a transmission shaft, a material stirring head arranged on the front side surface of the material stirring base plate, a material stirring head reset spring arranged on the rear side surface of the material stirring base plate and a feeding belt arranged at the bottom of the material stirring head.
The ejection mechanism is arranged at the rear end of the right side of the third partition board, shares a transmission shaft and a driven wheel with the needle closing mechanism, and comprises an ejection driving wheel, a driven wheel meshed with the ejection driving wheel, an ejection cam arranged at the other end of the transmission shaft, an ejection sliding rail arranged above the ejection cam, an ejection sliding block slidably fixed on the ejection sliding rail, an ejection transmission rod arranged on the ejection sliding block, and an ejection head arranged at the top of the ejection transmission rod.
The swing rod clamping mechanism is arranged at the front ends of the left side and the right side of the third partition plate, shares a material ejection cam with the material ejection mechanism, shares a needle closing cam with the needle closing mechanism, shares a transmission shaft with the material ejection mechanism and the needle closing mechanism, and drives the swing rod to swing left and right through alternate transmission of the material ejection cam and the Guan Zhen cam. The swing rod clamping mechanism further comprises a swing rod sliding groove arranged on the third partition plate, a swing rod sliding block slidably fixed on the left side of the swing rod sliding groove, a swing rod arranged on the right side of the swing rod sliding groove, a swing rod clamping head arranged on the top of the swing rod and a reset spring arranged in the middle of the swing rod.
The detection mechanism is arranged at the top of the third partition board and is used for detecting whether the material ejection mechanism ejects the material to the assembly position, if not, the equipment is stopped, and an alarm is sent out.
The operating mechanism is arranged at the left front end of the second partition board, is electrically connected with the driving motor, the vibrating motor and the feeding vibrator and is used for controlling the starting and stopping, the acceleration and deceleration and the emergency stopping of the equipment.
The material discharging mechanism adopts a double material discharging mechanism, the material feeding mechanism adopts a double material feeding groove, and the material ejection mechanism can eject two materials to an assembling position for assembling.
The invention has the beneficial effects that the pin base and the pin rod which are arranged by the material discharging mechanism are assembled and retracted by adopting the motor drive and through the shaft coupling, the gear, the cam transmission and the swing rod transmission, and the productivity per minute can reach 160-200 pcs/min, thereby greatly improving the production efficiency.
Drawings
Fig. 1 is a general assembly structure diagram of the present invention.
Fig. 2 is an exploded view of the structure of the present invention.
FIG. 3 is a block diagram of the discharge mechanism of the present invention.
FIG. 4 is a block diagram of the feed mechanism of the present invention.
Fig. 5 is a block diagram of a kick-out mechanism of the present invention.
Fig. 6 is a block diagram of the positioning mechanism of the present invention.
Fig. 7 is a structural view of an operating mechanism of the present invention.
Fig. 8 is a structural view of the needle closing mechanism of the present invention.
Fig. 9 is a structural view of a material ejection mechanism of the present invention.
FIG. 10 is a block diagram of a pendulum clamping mechanism of the present invention.
Detailed Description
As shown in fig. 1, the invention is a pin automation assembly device.
As shown in fig. 1 and 2, the invention comprises a frame 1, wherein the frame 1 comprises a mechanism body 13, a first partition 14, a second partition 15, a third partition 16, a movable caster and a positioning foot column 3 which are arranged at the bottom of the frame body 17, a discharging mechanism 2 which is arranged on the top surface of the right end of the frame 1, a feeding mechanism 4 and a jacking mechanism 9 which are arranged on the top surface of the first partition 14 of the frame 1, a pulling mechanism 5, a positioning mechanism 6, a detecting mechanism 7 and a needle closing mechanism 8 which are arranged on the top of the second partition 15 of the frame 1, an operating mechanism 11 which is arranged on the left front end of the first partition 14 of the frame 1, and a power device 12 which is vertically arranged in the center of the frame 1. A third partition plate 16 is arranged on the left side of the material ejection mechanism 9, and a swing rod clamping mechanism 10 is arranged on the left side of the third partition plate 16.
As shown in fig. 2, the power unit 12 is vertically installed at the center of the frame 1, penetrates through the first partition 14 and the second partition 15, and includes a driving shaft 12, a coupling installed at the bottom end of the driving shaft 12, a driving motor 13 installed at the bottom end of the coupling, a material ejection driving tooth 91 installed at the middle of the driving shaft 12, and a positioning driving tooth 61 installed at the top of the driving shaft 12.
As shown in fig. 3, the discharging mechanism 2 is installed on the right side of the feeding mechanism, the feeding belt of the feeding mechanism is connected with the feeding belt of the feeding mechanism, the discharging mechanism 2 comprises a discharging vibrator and a feeding belt interface 24, the discharging vibrator comprises a vibrating frame 22, a circular discharging disc 21 installed on the top of the vibrating frame 22, a vibrating motor 23 installed on the bottom of the vibrating frame 22, and a feeding groove 24 arranged on the left side of the circular discharging disc 21.
As shown in fig. 4, the feeding mechanism 4 is mounted at the right front end of the top of the second partition 15, and comprises a feeding vibrator 41, and a feeding groove 42 mounted at the top of the feeding vibrator 41, wherein the right end of the feeding groove 42 is connected with the feeding groove 24 of the discharging mechanism 2, and the feeding groove 42 is provided with a feeding belt 55.
As shown in fig. 5, the material stirring mechanism 5 is mounted at the front end of the positioning mechanism 6 above the second partition 15, and comprises a material stirring slide rail 51, a material stirring base plate 53 mounted on the material stirring slide rail 51, a material stirring cam 54 mounted on the transmission shaft 12, a material stirring head 56 mounted on the front side of the material stirring base plate 53, a material stirring head return spring 52 mounted on the rear side of the material stirring base plate 53, and a feeding belt 55 mounted at the bottom of the material stirring head 56.
As shown in fig. 6, the positioning mechanism 6 is mounted at the left rear end of the top of the second partition 15, and comprises a positioning driven wheel 62 meshed with the positioning driving wheel 61, a positioning transmission shaft 63 mounted on the positioning driven wheel 62, a positioning cam 64 mounted at the front end of the positioning transmission shaft 63, positioning presser blocks 66 mounted below the positioning cam 64, four positioning presser block return springs 65 mounted at the bottom of the positioning presser blocks 66, and a material belt positioning pin 67 mounted at the bottom center piece of the palm positioning presser block 66.
As shown in fig. 8, the needle closing mechanism 8 is mounted at the left rear end of the third partition 16, and comprises a needle closing slide rail 85, a needle closing slide block 82 slidably mounted on the Guan Zhen slide rail 85, a needle closing driving rod 81 fixed on the Guan Zhen slide block 82, a needle closing rotating shaft 87 mounted on the Guan Zhen slide block 82 and below the Guan Zhen driving rod 81, a needle closing cam 86 mounted at the left end of the Guan Zhen rotating shaft 87, a needle closing guide block 83 mounted on the top of the Guan Zhen driving rod 81, a needle closing base plate 84 mounted between the needle closing guide block 83 and the needle closing driving rod 81, and a needle closing driving wheel 88 mounted on the right end of the Guan Zhen rotating shaft 87, wherein the Guan Zhen driving wheel 88 is meshed with the ejector driving teeth 91.
As shown in fig. 9, the ejector mechanism 9 is mounted at the rear right end of the third partition 16, and shares a transmission shaft 87 and a driven wheel 88 with the needle closing mechanism, and includes a ejector driving wheel 91, a driven wheel 88 engaged with the ejector driving wheel 91, an ejector cam 96 mounted at the other end of the transmission shaft 87, an ejector slide rail 93 mounted above the ejector cam 96, an ejector slide block 94 slidably fixed to the ejector slide rail 93, an ejector transmission rod 95 mounted on the ejector slide block 94, and an ejector head 92 mounted on the top of the ejector transmission rod 95.
As shown in fig. 10, the swing rod clamping mechanism 10 is mounted at the front ends of the left and right sides of the third partition plate 16, and shares the ejector cam 96 with the ejector mechanism 9, shares the needle closing cam 86 with the needle closing mechanism 8, shares one transmission shaft 87 with the ejector mechanism 9 and the needle closing mechanism 8, and drives the swing rod to swing left and right through alternate transmission of the ejector cams 96 and Guan Zhen and the cams 86. The swing rod clamping mechanism 10 further comprises a swing rod sliding groove 101 arranged on the third partition plate 16, a swing rod sliding block 102 slidably fixed on the left side of the swing rod sliding groove 101, a swing rod 103 arranged on the right side of the swing rod sliding groove 101, a swing rod clamping head 104 arranged on the top of the swing rod 103, and a reset spring 105 arranged in the middle of the swing rod 103.
As shown in fig. 1, the detecting mechanism 7 is installed on top of the third partition 16, and is used for detecting whether the material is ejected to the assembling position by the ejection mechanism 9, if not, the equipment is stopped, and an alarm is sent.
As shown in fig. 1, the operating mechanism 11 is mounted at the left front end of the second partition 15, and is electrically connected to the driving motor 13, the vibration motor 23 and the feeding vibrator 41 for controlling the start and stop, acceleration and deceleration and emergency stop of the apparatus.
The invention is driven by a motor, and the pin base and the pin rod are subjected to barrel discharging, direct vibration feeding, material stirring and material ejection through a coupling, a gear transmission mechanism, a cam transmission mechanism and a swing rod transmission mechanism, and finally the work of assembling and closing the pin is completed, and the concrete implementation process is as follows:
After the operating mechanism 11 is started, the pin rods are arranged according to requirements through the material discharging mechanism 2, then the material stirring head 56 is driven to reciprocate through the material stirring cam 54 of the material stirring mechanism, the material stirring head 56 is inserted into the positioning hole in the feeding belt 55), and the feeding belt 55 starts to move forwards, so that the feeding process is realized, the materials are sent to the position of the material pushing mechanism 9 appointed by the machine, and the feeding is carried out once per turn of the cam. When the material shifting mechanism 5 reciprocates back and forth and the positioning mechanism 6 reciprocates up and down, the driven wheel 88 drives the material pushing cams 96 and Guan Zhen to rotate, the material pushing cams 96 drive the material pushing slide blocks 94, the material pushing slide blocks 94 push the material pushing transmission rods 95 and the material pushing transmission rods 95 push the material pushing heads 92 to move up and down, so that materials are pushed to the assembling position, the material discharging mechanism adopts a double material discharging mechanism, the material feeding mechanism adopts a double material feeding groove 55, and the material pushing mechanism 9 can push out two materials to the assembling position simultaneously for assembling. When the material jacking head 92 jacks up the material from the jacking position to the assembling position, after the pin base and the pin rod are assembled, the jacking block is positioned at the far angle position of the jacking cam, at the moment, the swing rod clamping mechanism 10 is driven by the needle closing cam 86 of the needle closing mechanism 8 to move up to the clamping position, guan Zhen cam is positioned at the far angle position, then the swing rod clamping mechanism 10 drives the swing rod clamping head 104 to clamp and fix the assembled pin rod and the pin base under the action of the jacking cam 96, and when the needle closing cam 86 and the jacking cam 96 rotate to the near angle position, the swing rod clamping mechanism 10 resets. The assembled pin is continuously fed forwards under the action of the material shifting mechanism 5, when the pin is fed to the position of the pin closing guide block 83 of the pin closing mechanism 8, the pin can be firstly closed by a certain angle in the pin closing direction through the pin closing guide block 83, and when the pin material belt for pre-closing the pin is shifted to the upper part of the pin closing guide block 83 under the action of the material shifting mechanism 5, the pin closing mechanism 8 is driven by the pin closing cam, the Guan Zhen sliding block 82 upwards pushes up the pin, and the pin is guided into the pin base clamping groove, so that the pin closing process is completed.
Claims (3)
1. The automatic pin assembling equipment is characterized by comprising a frame, wherein the frame comprises a frame body, a first partition plate, a second partition plate, a third partition plate, a movable trundle and a positioning foot post which are arranged at the bottom of the frame body, a discharging mechanism arranged on the top surface of the right end of the frame, a feeding mechanism and a jacking mechanism which are arranged on the top surface of the first partition plate of the frame, a stirring mechanism, a positioning mechanism, a detection mechanism and a pin closing mechanism which are arranged on the top of the second partition plate of the frame, an operating mechanism arranged at the left front end of the first partition plate of the frame, and a power device which is vertically arranged at the center of the frame; a third partition plate is arranged on the left side of the material ejection mechanism, and a swing rod clamping mechanism is arranged on the left side of the third partition plate;
the power device is vertically arranged at the center of the frame and penetrates through the first partition board and the second partition board, and comprises a transmission shaft, a coupler arranged at the bottom end of the transmission shaft, a driving motor arranged at the bottom end of the coupler, a jacking driving wheel arranged in the middle of the transmission shaft and a positioning driving gear arranged at the top of the transmission shaft;
The material stirring mechanism is arranged at the front end of the positioning mechanism above the second partition plate and comprises a material stirring sliding rail, a material stirring base plate which is slidably arranged on the material stirring sliding rail, a material stirring cam which is arranged on a transmission shaft, a material stirring head which is arranged on the front side surface of the material stirring base plate, a material stirring head reset spring which is arranged on the rear side surface of the material stirring base plate and a feeding belt which is arranged at the bottom of the material stirring head;
The needle closing mechanism is arranged at the left rear end of the third partition plate and comprises a needle closing sliding rail, a needle closing sliding block which is slidably arranged on the needle closing sliding rail, a needle closing transmission rod which is arranged on the needle closing sliding block, a needle closing rotating shaft which is arranged below the Guan Zhen transmission rod, a needle closing cam which is arranged at the left end of the Guan Zhen rotating shaft, a needle closing guide block which is arranged at the top of the Guan Zhen transmission rod, a needle closing base plate which is arranged between the Guan Zhen guide block and the needle closing transmission rod, and a needle closing transmission wheel which is arranged at the right end of the Guan Zhen rotating shaft, wherein the Guan Zhen transmission wheel is meshed with the jacking driving wheel;
The ejection mechanism is arranged at the rear end of the right side of the third partition board, shares a needle closing rotating shaft and a needle closing driving wheel with the needle closing mechanism, and comprises an ejection cam arranged at the other end of the Guan Zhen rotating shaft, an ejection sliding rail arranged above the ejection cam, an ejection sliding block slidably fixed on the ejection sliding rail, an ejection driving rod arranged on the ejection sliding block, and an ejection head arranged at the top of the ejection driving rod;
The swing rod clamping mechanisms are arranged at the front ends of the left side and the right side of the third partition plate, share a material ejection cam with the material ejection mechanism, share a needle closing cam with the needle closing mechanism, share a needle closing rotating shaft with the material ejection mechanism and the needle closing mechanism, and drive the swing rod to swing left and right through alternate transmission of the material ejection cam and the Guan Zhen cam; the swing rod clamping mechanism further comprises a swing rod sliding groove arranged on the third partition plate, a swing rod sliding block slidably fixed on the left side of the swing rod sliding groove, a swing rod arranged on the right side of the swing rod sliding groove, a swing rod clamping head arranged on the top of the swing rod and a reset spring arranged in the middle of the swing rod.
2. The automatic pin assembling device according to claim 1, wherein the discharging mechanism is arranged on the right side of the feeding mechanism, a material belt of the discharging mechanism is connected with a material belt of the feeding mechanism, the discharging mechanism comprises a discharging vibrator and a material belt connector, the discharging vibrator comprises a vibrating frame, a circular discharging disc arranged on the top of the vibrating frame, a vibrating motor arranged on the bottom of the vibrating frame, and a material feeding groove arranged on the left side of the circular discharging disc.
3. The automatic pin assembling device according to claim 1, wherein the feeding mechanism is mounted at the right front end of the top of the second partition plate and comprises a feeding vibrator and a feeding groove mounted at the top of the feeding vibrator, the right end of the feeding groove is connected with the feeding groove of the discharging mechanism, and the feeding groove is provided with a feeding belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166366.9A CN109848671B (en) | 2019-03-06 | 2019-03-06 | Automatic pin assembling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166366.9A CN109848671B (en) | 2019-03-06 | 2019-03-06 | Automatic pin assembling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109848671A CN109848671A (en) | 2019-06-07 |
| CN109848671B true CN109848671B (en) | 2024-04-26 |
Family
ID=66899873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910166366.9A Active CN109848671B (en) | 2019-03-06 | 2019-03-06 | Automatic pin assembling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109848671B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480302A (en) * | 2019-09-06 | 2019-11-22 | 常州市赫铭自动化科技有限公司 | Foreskin Endo-GIA self-binder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB945259A (en) * | 1959-08-11 | 1963-12-23 | Holo Krome Screw Corp | A machine tool having a work-holding and transferring device |
| US4531284A (en) * | 1981-06-22 | 1985-07-30 | Sony Corporation | Automatic assembling machine |
| US5419441A (en) * | 1993-10-08 | 1995-05-30 | United States Surgical Corporation | Needle blank sorting apparatus |
| CN202780385U (en) * | 2012-07-03 | 2013-03-13 | 浙江信泰办公用品制造有限公司 | Main pin opening adjusting mechanism of safety pin penetrating machine |
| CN104827291A (en) * | 2015-06-06 | 2015-08-12 | 欧阳庆丰 | An elastic hook assembly device |
| CN106624708A (en) * | 2016-12-28 | 2017-05-10 | 龚光清 | Processing device of pin |
| CN210172926U (en) * | 2019-03-06 | 2020-03-24 | 深圳市大华科创科技有限公司 | Automatic pin assembling equipment |
-
2019
- 2019-03-06 CN CN201910166366.9A patent/CN109848671B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB945259A (en) * | 1959-08-11 | 1963-12-23 | Holo Krome Screw Corp | A machine tool having a work-holding and transferring device |
| US3150390A (en) * | 1959-08-11 | 1964-09-29 | Veeder Root Inc | Apparatus for trimming sequentially the opposite ends of an elongated workpiece |
| US4531284A (en) * | 1981-06-22 | 1985-07-30 | Sony Corporation | Automatic assembling machine |
| US5419441A (en) * | 1993-10-08 | 1995-05-30 | United States Surgical Corporation | Needle blank sorting apparatus |
| CN202780385U (en) * | 2012-07-03 | 2013-03-13 | 浙江信泰办公用品制造有限公司 | Main pin opening adjusting mechanism of safety pin penetrating machine |
| CN104827291A (en) * | 2015-06-06 | 2015-08-12 | 欧阳庆丰 | An elastic hook assembly device |
| CN106624708A (en) * | 2016-12-28 | 2017-05-10 | 龚光清 | Processing device of pin |
| CN210172926U (en) * | 2019-03-06 | 2020-03-24 | 深圳市大华科创科技有限公司 | Automatic pin assembling equipment |
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| Publication number | Publication date |
|---|---|
| CN109848671A (en) | 2019-06-07 |
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