CN213890725U - Silicon crystal bar clamping mechanism and silicon crystal bar feeding device - Google Patents
Silicon crystal bar clamping mechanism and silicon crystal bar feeding device Download PDFInfo
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- CN213890725U CN213890725U CN202022123897.0U CN202022123897U CN213890725U CN 213890725 U CN213890725 U CN 213890725U CN 202022123897 U CN202022123897 U CN 202022123897U CN 213890725 U CN213890725 U CN 213890725U
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Abstract
The utility model relates to the field of processing of brittle and hard materials, in particular to a silicon crystal bar clamping mechanism and a silicon crystal bar feeding device, wherein the silicon crystal bar clamping mechanism comprises a vertical slide rail, an upper clamping unit, a lower clamping unit and a lifting unit; the upper clamping unit and the lower clamping unit respectively comprise a mounting plate, a clamping assembly, an upper rack, a lower rack, a rotating gear and a rotating driving piece, the mounting plates of the upper clamping unit and the lower clamping unit are arranged on the vertical slide rail in a sliding manner, the clamping assembly is arranged on the mounting plate and can horizontally move along the mounting plate, the clamping assembly comprises a left clamping jaw and a right clamping jaw, the left clamping jaw is connected with the upper rack, the right clamping jaw is connected with the lower rack, the upper rack and the lower rack are arranged between the clamping assembly and the mounting plate in a sliding manner, and the rotating gear is meshed between the upper rack and the lower rack; the lifting unit is in transmission connection with the mounting plate of the upper clamping unit. This scheme simple structure, the centre gripping stability is high, and the commonality is strong, the transportation and the placing of the silicon crystal bar of being convenient for simultaneously.
Description
Technical Field
The utility model relates to a crisp hard material processing field especially relates to a silicon crystal bar fixture and silicon crystal bar material feeding unit.
Background
Silicon crystals are used very widely in the photovoltaic industry. The silicon rod is subjected to primary processing in order to meet the quality parameters of the silicon crystal rod and the appearance and the size of the next process.
The processing of the single silicon crystal rod generally comprises the following steps: firstly, cutting off a long silicon crystal bar to form a plurality of sections of short silicon crystal bars, cutting off the cut short silicon crystal bar to form a silicon crystal square bar after cutting off, and cutting off the silicon crystal square bar to produce a rim charge after taking away the cut short silicon crystal bar, and then using a slicing machine to slice the silicon crystal square body according to actual use requirements to obtain a silicon wafer, thereby meeting the use requirements. In the process of squaring the single crystal silicon rod, the single crystal silicon rod (round rod) and the rod material (square rod) after squaring need to be clamped and transported. In the existing processing equipment, a silicon crystal bar clamping mechanism has a complex structure, poor clamping stability and low universality.
Disclosure of Invention
Therefore, the silicon crystal bar clamping mechanism and the silicon crystal bar feeding device need to be provided, and the problems that the silicon crystal bar clamping mechanism in the prior art is complex in structure, poor in clamping stability and low in universality are solved.
In order to achieve the purpose, the utility model provides a silicon crystal bar clamping mechanism, which comprises a vertical slide rail, an upper clamping unit, a lower clamping unit and a lifting unit;
the upper clamping unit and the lower clamping unit respectively comprise a mounting plate, a clamping assembly, an upper rack, a lower rack, a rotating gear and a rotating driving piece, the mounting plates of the upper clamping unit and the lower clamping unit are arranged on the vertical slide rail in a sliding mode, the clamping assembly is arranged on the mounting plate and can horizontally move along the mounting plate, the clamping assembly comprises a left clamping jaw and a right clamping jaw, the left clamping jaw is connected with the upper rack, the right clamping jaw is connected with the lower rack, the upper rack and the lower rack are arranged between the clamping assembly and the mounting plate in a sliding mode, the rotating gear is meshed between the upper rack and the lower rack, the rotating gear rotates to drive the upper rack and the lower rack to move in opposite directions, and the rotating driving piece is used for driving the rotating gear to rotate;
the lifting unit is in transmission connection with the mounting plate of the upper clamping unit and is used for driving the upper clamping unit to move up and down along the vertical sliding rail.
As the utility model discloses a preferred structure, vertical slide rail is two, go up the mounting panel of centre gripping unit in both sides department respectively with two vertical slide rail sliding connection, the mounting panel of centre gripping unit is located respectively with two vertical slide rail sliding connection in both sides down.
As an optimal structure of the utility model, through vertical slider sliding connection between mounting panel and the vertical slide rail.
As the utility model discloses a preferred structure, go up the centre gripping unit and all still include horizontal slide rail and horizontal slider with lower centre gripping unit, horizontal slide rail sets up respectively in the upper end and the lower extreme of mounting panel, the centre gripping subassembly passes through horizontal slider and horizontal slide rail sliding connection.
As an optimized structure of the utility model, the clamping component is a round bar clamping component.
As an optimized structure of the utility model, the clamping component is a square bar clamping component.
As the utility model discloses an optimal structure, the rotary driving piece is one of cylinder, pneumatic cylinder or linear push rod motor, and the telescopic link and the transmission shaft of rotary driving piece are connected, the rotatable cover of rotatory gear is located on the transmission shaft.
As the utility model discloses a preferred structure, the lift unit includes motor, speed reducer and ball, the motor passes through the speed reducer and is connected with the ball transmission, the mounting panel of going up the centre gripping unit is connected with the ball transmission.
The utility model also provides a silicon crystal bar material feeding unit, material feeding unit includes gyration reversing mechanism and silicon crystal bar fixture, silicon crystal bar fixture is foretell silicon crystal bar fixture, silicon crystal bar fixture installs on the lateral wall of the seat of gyration reversing mechanism.
As the utility model discloses an optimal structure, install two sets of silicon crystal bar fixture on the lateral wall of gyration reversing mechanism's the seat of gyration, wherein a set of silicon crystal bar fixture's centre gripping subassembly is the pole centre gripping subassembly, and another group's silicon crystal bar fixture's centre gripping subassembly is square rod centre gripping subassembly.
Different from the prior art, the technical scheme has the following advantages: the utility model relates to a silicon crystal bar clamping mechanism and a silicon crystal bar feeding device, wherein the silicon crystal bar clamping mechanism comprises a vertical slide rail, an upper clamping unit, a lower clamping unit and a lifting unit; the upper clamping unit and the lower clamping unit are arranged on the vertical guide rail in a sliding mode, the rotary gear can be driven to rotate through the driving of the rotary driving piece in the upper clamping unit and the lower clamping unit, so that the upper rack and the lower rack are driven to move in the opposite direction, the left clamping jaw and the right clamping jaw of the clamping assembly can horizontally move in the opposite direction along the mounting plate, the left clamping jaw and the right clamping jaw are driven to get close to or get away from each other, and therefore silicon crystal bar materials are clamped or loosened; and can go up the high position of centre gripping subassembly through the lifting unit adjustment before to silicon crystal bar centre gripping to the bar centre gripping of adaptation different length specifications, through can driving the centre gripping subassembly through the lifting unit after the centre gripping silicon crystal bar, silicon crystal bar and lower centre gripping subassembly are along vertical slide rail up-and-down motion jointly, so that the centre gripping of silicon crystal bar, transport and place work. In this scheme, drive rotatory gear through the rotary driving piece and rotate to through the relative motion of last rack and lower rack, realize opening and shutting of centre gripping subassembly, simple structure, the centre gripping stability is high, can drive simultaneously through the elevating unit and go up the centre gripping unit and carry out the height position adjustment, can adapt to the centre gripping work of the silicon crystal bar of different length specifications, the commonality is strong, the transportation and the placing of the silicon crystal bar of being convenient for simultaneously.
Drawings
FIG. 1 is a schematic perspective view of a silicon ingot clamping mechanism according to an embodiment;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a schematic perspective view of a silicon ingot clamping mechanism according to an embodiment;
FIG. 4 is a schematic front view of the structure of FIG. 3;
FIG. 5 is a schematic cross-sectional view of a portion of the structure of FIG. 3;
FIG. 6 is a schematic perspective view of a silicon crystal bar stock feeding device according to an embodiment;
fig. 7 is a schematic perspective view of a state where a silicon crystal ingot feeding device according to an embodiment clamps a silicon crystal ingot.
Description of reference numerals:
1. a silicon crystal bar clamping mechanism;
100. a vertical slide rail;
200. an upper clamping unit;
300. a lower clamping unit;
310. mounting a plate;
320. a clamping assembly; 321. a left clamping jaw; 322. a right jaw;
330. an upper rack;
340. a lower rack;
350. a rotating gear;
360. a rotary drive member;
370. a vertical slide block;
380. a horizontal slide rail;
390. a horizontal slider;
400. a lifting unit;
410. a motor; 420. a speed reducer; 430. a ball screw;
2. a rotary reversing mechanism;
3. silicon crystal ingot.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 5 together, the present embodiment provides a silicon crystal bar stock clamping mechanism, where the silicon crystal bar stock clamping mechanism 1 includes a vertical slide rail 100, an upper clamping unit 200, a lower clamping unit 300, and a lifting unit 400;
the upper clamping unit 200 is used for clamping and fixing the upper position of the silicon crystal bar 3, and the lower clamping unit 300 is used for clamping and fixing the lower position of the silicon crystal bar 3. Specifically, each of the upper and lower clamping units 200 and 300 includes a mounting plate 310, a clamping assembly 320, an upper rack 330, a lower rack 340, a rotary gear 350, and a rotary driving member 360, the mounting plates 310 of the upper and lower clamping units 200 and 300 are slidably disposed on the vertical sliding rail 100, the clamping assembly 320 is disposed on the mounting plate 310, the clamping assembly 320 can move horizontally along the mounting plate 310, the clamping assembly 320 comprises a left clamping jaw 321 and a right clamping jaw 322, the left clamping jaw 321 is connected with the upper rack 330, the right clamping jaw 322 is connected with the lower rack 340, the upper rack 330 and the lower rack 340 are slidably disposed between the clamping assembly 320 and the mounting plate 310, the rotating gear 350 is meshed between the upper rack 330 and the lower rack 340, the rotating gear 350 rotates to drive the upper rack 330 and the lower rack 340 to move oppositely, and the rotating driving part 360 is used for driving the rotating gear 350 to rotate; the mounting plate 310 serves as a connection member between the upper and lower clamp units 200 and 300 and the vertical slide 100, facilitating both the upper and lower clamp units 200 and 300 to move up and down along the vertical slide 100. The clamping assembly 320 is directly used for abutting contact with the silicon crystal ingot 3 to clamp the silicon crystal ingot 3. The upper rack 330 is used for driving the left clamping jaw 321 of the clamping assembly 320 to horizontally move left and right, and the lower rack 340 is used for driving the right clamping jaw 322 to horizontally move left and right. The rotating gear 350 is meshed between the upper rack 330 and the lower rack 340, and the upper rack 330 and the lower rack 340 can be driven to move towards each other by the movement of the rotating gear 350, so that the left clamping jaw 321 and the right clamping jaw 322 can be close to or far away from each other.
The lifting unit 400 is in transmission connection with the mounting plate 310 of the upper clamping unit 200, and is used for driving the upper clamping unit 200 to move up and down along the vertical slide rail 100. The lifting unit 400 can drive the upper clamping unit 200 to move up and down, and has the following advantages in practical use: first, the lower clamping unit 300 is used to clamp the lower end of the silicon crystal bar 3, and the silicon crystal bar 3 with different lengths and specifications only needs to adjust the upper clamping position of the silicon crystal bar 3, so that the upper clamping unit 200 can be adjusted in height to adapt to the clamping of the silicon crystal bar 3 with different lengths. Second, when needing to carry out the centre gripping to the silicon bar of warp, silicon bar 3 generally all places on the workstation, last clamping unit with lower clamping unit 3 centre gripping backs with silicon bar, can cause the interference because of 3 bottoms of silicon bar, can not directly drag silicon bar 3, so lifting unit 400 upwards drives clamping unit 200 motion, can drive the silicon bar 3 that is held and down clamping unit 300 and upwards move along vertical slide rail 100 together, thereby make the bottom of silicon bar 3 leave the workstation, prevent to cause the motion to interfere, when transporting silicon bar 3 and placing equally, it is also more convenient. For example, the round bar stock is moved to the square clamping workbench from the feeding workbench, or the square bar stock after being cut is moved to the collecting mechanism.
In this embodiment, the silicon crystal bar stock clamping mechanism 1 includes a vertical slide rail 100, an upper clamping unit 200, a lower clamping unit 300, and a lifting unit 400; the upper clamping unit 200 and the lower clamping unit 300 are slidably mounted on a vertical guide rail, in the upper clamping unit 200 and the lower clamping unit 300, the rotary gear 350 can be driven to rotate through the driving of the rotary driving piece 360, so that the upper rack 330 and the lower rack 340 are driven to move oppositely, the left clamping jaw 321 and the right clamping jaw 322 of the clamping assembly 320 are further driven to horizontally move oppositely along the mounting plate 310, the left clamping jaw 321 and the right clamping jaw 322 are driven to approach or move away from each other, and the silicon crystal bar 3 is clamped or loosened; and can adjust the height position of last centre gripping subassembly 320 through lift unit 400 before 3 centre gripping of silicon crystal bar to the bar centre gripping of adaptation different length specifications, through can driving the centre gripping unit through lift unit 400 after the centre gripping silicon crystal bar 3, silicon crystal bar 3 and lower centre gripping unit move from top to bottom along vertical slide rail 100 jointly, so that the centre gripping of silicon crystal bar 3, transport and place the work. In this scheme, drive rotatory gear 350 through rotary driving piece 360 and rotate to through the relative motion of last rack 330 and lower rack 340, realize opening and shutting of centre gripping subassembly 320, simple structure, the centre gripping stability is high, can drive through lifting unit 400 simultaneously and go up centre gripping unit 200 and carry out the height position adjustment, can adapt to the centre gripping work of the silicon crystal bar 3 of different length specifications, the commonality is strong, the transportation and the placing of the silicon crystal bar 3 of being convenient for simultaneously.
Referring to fig. 1 to 4, as a preferred embodiment of the present invention, the number of the vertical slide rails 100 is two, the mounting plate 310 of the upper clamping unit 200 is slidably connected to the two vertical slide rails 100 at two sides, respectively, and the mounting plate 310 of the lower clamping unit 300 is slidably connected to the two vertical slide rails 100 at two sides, respectively. In this embodiment, the vertical slide rail 100 is provided with two vertical slide rails 100, so that the upper clamping unit 200 and the lower clamping unit 300 are fixed on the vertical slide rail 100 more firmly, and the upper clamping unit 200 and the lower clamping unit 300 move along the vertical slide rail 100 more stably and smoothly. In a specific embodiment, the mounting plate 310 is slidably connected to the vertical slide 100 via a vertical slider 370. Carry out sliding connection through vertical slider 370, connect more stably, connect simple and conveniently, connection efficiency is higher. In certain other embodiments, the vertical slider 370 may be provided directly on the back of the mounting plate 310, the vertical slider 370 being integrally formed with the mounting plate 310.
As shown in fig. 1 to 5, as a preferred embodiment of the present invention, the upper clamping unit 200 and the lower clamping unit 300 further include horizontal sliding rails 380 and horizontal sliding blocks 390, the horizontal sliding rails 380 are respectively disposed at the upper end and the lower end of the mounting plate 310, and the clamping assembly 320 is slidably connected to the horizontal sliding rails 380 through the horizontal sliding blocks 390. The sliding connection between the clamping component 320 and the mounting plate 310 can be stably realized by arranging the sliding rail and the sliding block structure between the clamping component 320 and the mounting plate 310, the connection is simple and convenient, and the water-through clamping component 320 is more stable when performing horizontal displacement.
Referring to fig. 1 and 2, as a preferred embodiment of the present invention, the clamping assembly 320 is a round bar clamping assembly. The round bar clamping component is used for clamping a round silicon crystal bar 3, such as a single crystal silicon bar, and the clamping is more stable and firm. The abutting part of the round bar clamping assembly and the round silicon crystal bar 3 is provided with an arc-shaped clamping block matched with the outer wall of the round silicon crystal bar 3. Referring to fig. 5, the clamping assembly 320 may be a square bar clamping assembly. The square rod clamping component is used for clamping a square silicon crystal rod 3, such as a single crystal silicon rod and a polycrystalline silicon rod which are arranged in a four-side-opening mode, and the clamping is more stable and firm. The square rod clamping assembly and the abutting part of the square silicon crystal bar 3 are provided with flat plate clamping blocks matched with the outer wall of the square silicon crystal bar 3.
In a specific embodiment, the rotary driving member 360 is one of an air cylinder, a hydraulic cylinder, or a linear push rod motor, a telescopic rod of the rotary driving member 360 is connected to a transmission shaft, and the rotary gear 350 is rotatably sleeved on the transmission shaft. The telescopic link extension of rotary driving piece 360 or shorten and to make the transmission shaft move on the horizontal direction, because the rotatable cup joint of rotary gear 350 is on the transmission shaft, rotary gear 350 that the effect of force can be takes place to rotate to rack 330 and lower rack 340 move in opposite directions in the drive, and then realize being close to each other or keeping away from of left clamping jaw 321 and right clamping jaw 322. In some other embodiments, the rotation driving member 360 is a speed reduction motor, and the rotation gear 350 is sleeved on an output shaft of the speed reduction motor. The rotation of the output shaft of the gear motor directly drives the rotating gear 350 to rotate, and the opening and closing of the clamping assembly 320 can also be realized.
Referring to fig. 1 to 5, as a preferred embodiment of the present invention, the lifting unit 400 includes a motor 410, a speed reducer 420 and a ball screw 430, the motor 410 is in transmission connection with the ball screw through the speed reducer 420, and the mounting plate 310 of the upper clamping unit 200 is in transmission connection with the ball screw. In other embodiments, the lifting mechanism may be a pneumatic cylinder or a hydraulic cylinder, and the telescopic rod of the lifting mechanism is connected to the mounting plate 310 of the upper clamping unit 200, and the telescopic rod directly drives the upper clamping unit 200 to move up and down along the vertical slide rail 100.
Referring to fig. 6 and 7, the utility model also provides a 3 material feeding unit of silicon crystal bar, material feeding unit includes gyration reversing mechanism 2 and silicon crystal bar fixture, silicon crystal bar fixture 1 is foretell silicon crystal bar fixture 1, silicon crystal bar fixture 1 installs on the lateral wall of the seat of gyration reversing mechanism 2. In this embodiment, the rotary reversing mechanism 2 can drive the silicon crystal bar stock clamping mechanism 1 to perform position conversion, and a user can reverse the silicon crystal bar stock clamping mechanism 1 to a specified position as required so as to clamp the silicon crystal bar stock 3. In actual use, a guide rail is provided below the feeding device so that the feeding device performs lateral and longitudinal displacements to move the silicon crystal ingot 3 to a prescribed working position.
In the embodiment shown in fig. 6 and 7, two groups of silicon crystal ingot clamping mechanisms 1 are mounted on the side wall of the rotary seat of the rotary reversing mechanism 2, wherein the clamping assemblies 320 of one group of silicon crystal ingot clamping mechanisms 1 are round rod clamping assemblies, and the clamping assemblies 320 of the other group of silicon crystal ingot clamping mechanisms 1 are square rod clamping assemblies. A steering driving mechanism in the rotary reversing mechanism 2 can drive the rotary seat to perform rotary motion, so that the round bar clamping component and the square material clamping component fixed on the rotary seat rotate, the round bar clamping component and the square material clamping component stay on a clamping station as required, and the round bar clamping component is used for clamping a single crystal silicon rod to be processed as required; and clamping the square rod after the silicon single crystal rod is cut by using the square material clamping component. In this embodiment, one set of material feeding unit alright accomplish the centre gripping of treating evolution single crystal silicon rod and transport and the centre gripping of evolution back material is transported, and material feeding unit simple structure, the suitability is strong, can reduce use cost when improving pay-off efficiency.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.
Claims (10)
1. The silicon crystal bar stock clamping mechanism is characterized by comprising a vertical slide rail, an upper clamping unit, a lower clamping unit and a lifting unit;
the upper clamping unit and the lower clamping unit respectively comprise a mounting plate, a clamping assembly, an upper rack, a lower rack, a rotating gear and a rotating driving piece, the mounting plates of the upper clamping unit and the lower clamping unit are arranged on the vertical slide rail in a sliding mode, the clamping assembly is arranged on the mounting plate and can horizontally move along the mounting plate, the clamping assembly comprises a left clamping jaw and a right clamping jaw, the left clamping jaw is connected with the upper rack, the right clamping jaw is connected with the lower rack, the upper rack and the lower rack are arranged between the clamping assembly and the mounting plate in a sliding mode, the rotating gear is meshed between the upper rack and the lower rack, the rotating gear rotates to drive the upper rack and the lower rack to move in opposite directions, and the rotating driving piece is used for driving the rotating gear to rotate;
the lifting unit is in transmission connection with the mounting plate of the upper clamping unit and is used for driving the upper clamping unit to move up and down along the vertical sliding rail.
2. The silicon crystal bar-clamping mechanism according to claim 1, wherein said vertical slide rails are two, and said mounting plate of said upper clamping unit is slidably connected at both sides to said two vertical slide rails, respectively, and said mounting plate of said lower clamping unit is slidably connected at both sides to said two vertical slide rails, respectively.
3. The silicon crystal ingot clamping mechanism of claim 2, wherein the mounting plate is slidably connected to the vertical slide rail by a vertical slider.
4. The silicon crystal bar clamping mechanism according to claim 1, wherein said upper and lower clamping units further comprise horizontal slide rails and horizontal slide blocks, said horizontal slide rails are respectively disposed at the upper and lower ends of the mounting plate, and said clamping assembly is slidably connected to the horizontal slide rails through the horizontal slide blocks.
5. The silicon crystal ingot clamping mechanism of claim 1, wherein the clamping assembly is a round bar clamping assembly.
6. The silicon crystal ingot clamping mechanism of claim 1, wherein the clamping assembly is a square bar clamping assembly.
7. The silicon crystal bar clamping mechanism according to claim 1, wherein the rotary driving member is one of an air cylinder, a hydraulic cylinder or a linear push rod motor, a telescopic rod of the rotary driving member is connected with a transmission shaft, and the rotary gear is rotatably sleeved on the transmission shaft.
8. The silicon crystal bar clamping mechanism according to claim 1, wherein the lifting unit comprises a motor, a speed reducer and a ball screw, the motor is in transmission connection with the ball screw through the speed reducer, and the mounting plate of the upper clamping unit is in transmission connection with the ball screw.
9. A silicon crystal bar stock feeding device, the feeding device comprises a rotary reversing mechanism and a silicon crystal bar stock clamping mechanism, and the silicon crystal bar stock clamping mechanism is the silicon crystal bar stock clamping mechanism according to any one of claims 1 to 8 and is installed on the side wall of a rotary seat of the rotary reversing mechanism.
10. The silicon crystal bar feeding device according to claim 9, wherein two sets of silicon crystal bar clamping mechanisms are mounted on the side wall of the rotary seat of the rotary reversing mechanism, wherein the clamping assembly of one set of silicon crystal bar clamping mechanisms is a round bar clamping assembly, and the clamping assembly of the other set of silicon crystal bar clamping mechanisms is a square bar clamping assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022123897.0U CN213890725U (en) | 2020-09-24 | 2020-09-24 | Silicon crystal bar clamping mechanism and silicon crystal bar feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022123897.0U CN213890725U (en) | 2020-09-24 | 2020-09-24 | Silicon crystal bar clamping mechanism and silicon crystal bar feeding device |
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| Publication Number | Publication Date |
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| CN213890725U true CN213890725U (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022123897.0U Active CN213890725U (en) | 2020-09-24 | 2020-09-24 | Silicon crystal bar clamping mechanism and silicon crystal bar feeding device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115816671A (en) * | 2022-12-19 | 2023-03-21 | 广东利元亨智能装备股份有限公司 | Crystal bar feeding device and feeding method thereof |
| CN117428565A (en) * | 2023-11-08 | 2024-01-23 | 日照易捷工具制造有限公司 | A high-strength and lightweight quick wrench production process and device |
-
2020
- 2020-09-24 CN CN202022123897.0U patent/CN213890725U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115816671A (en) * | 2022-12-19 | 2023-03-21 | 广东利元亨智能装备股份有限公司 | Crystal bar feeding device and feeding method thereof |
| CN117428565A (en) * | 2023-11-08 | 2024-01-23 | 日照易捷工具制造有限公司 | A high-strength and lightweight quick wrench production process and device |
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