CN113263266B - Laser engraving machine for jewelry processing - Google Patents
Laser engraving machine for jewelry processing Download PDFInfo
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- CN113263266B CN113263266B CN202110685745.6A CN202110685745A CN113263266B CN 113263266 B CN113263266 B CN 113263266B CN 202110685745 A CN202110685745 A CN 202110685745A CN 113263266 B CN113263266 B CN 113263266B
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- clamping
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- seat
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- overturning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Mechanical Engineering (AREA)
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- Laser Beam Processing (AREA)
Abstract
The invention discloses a laser engraving machine for jewelry processing, which comprises: the jewelry clamping mechanism is fixedly arranged on the top surface of the overturning and carving tray, and the positioning and locking mechanism is arranged inside the overturning and carving tray; the overturning and carving tray comprises a supporting plate, a carving seat and an overturning and driving box fixedly arranged on the bottom surface of the supporting plate, wherein two sides of the bottom surface of the carving seat are provided with twisting lugs, and an overturning and driving cylinder is fixedly arranged in the overturning and driving box; the jewelry clamping mechanism comprises a clamping seat, a locking threaded sleeve and a concentric clamping arm, and the positioning locking mechanism comprises a hydraulic clamping cylinder and a friction clamping piece. According to the invention, through arranging the mechanical jewelry positioning structure, the concentric arm lock is deflected and clamped by utilizing the relative motion of the locking screw sleeve and the concentric arm lock, so that the problems of low cement gum fixing efficiency and complexity in the traditional jewelry engraving processing are solved, the positioning mode is simple and feasible, long-time laser high-temperature engraving can be carried out, and the practicability of the engraving equipment is improved.
Description
Technical Field
The invention relates to the technical field of jewelry processing, in particular to a laser engraving machine for jewelry processing.
Background
The jewelry is divided into broad sense and narrow sense, the jewelry in the narrow sense only refers to jade products, and with the development of society and economy, the concept of the jewelry is expanded to include gold, silver, jewelry and the like besides natural gems and artificial gems. The industry that deals with these items is collectively referred to as the "jewelry industry". The laser engraving processing of jewelry utilizes 'light' generated by high-energy-density laser to carry out laser on a workpiece, the natural color of a material is exposed through the evaporation of a surface layer substance, the chemical and physical changes of the surface layer substance are caused through light energy to 'carve' traces, part of the substance is burnt, patterns and characters required to be etched are displayed, and the laser engraving processing of jewelry is widely applied to the design and processing of jewelry.
In the processing process of the existing laser engraving machine for processing jewelry, the jewelry needs to be fixed below the laser engraving machine in a daub fixing mode, and the daub belongs to hot-melt materials, is hard at normal temperature, but soft like mud has excellent plasticity after being baked at 100-120 degrees, in the actual use process, the problem that the carved objects fall off when the surface temperature of the jewelry is increased easily due to long-time large-area laser carving, and the turning processing of the jewels can not be carried out after the fixation, and the jewels can not be applied to the multi-surface carving processing procedure, in view of the above, the present invention provides a laser engraving machine for jewelry processing, which is improved to solve the problem that jewelry is difficult to be fixed at high temperature and cannot be turned over, and aims to solve the problem and improve the practical value by the technology.
Disclosure of Invention
The present invention is directed to solving one of the technical problems of the prior art or the related art.
Therefore, the technical scheme adopted by the invention is as follows: laser engraving machine for jewelry processing, comprising: the jewelry turning and carving machine comprises a multi-axis laser engraving machine head, a turning and carving tray table and a tray table conveying rail, wherein the turning and carving tray table is slidably mounted on the top surface of the tray table conveying rail and is positioned right below the multi-axis laser engraving machine head; the overturning and carving tray comprises a supporting plate, a carving seat and an overturning driving box fixedly arranged on the bottom surface of the supporting plate, wherein twisting lugs are arranged on two sides of the bottom surface of the carving seat, an overturning driving cylinder is fixedly arranged in the overturning driving box, the bottom surface of the carving seat is movably connected with a linkage arm, and one end of the linkage arm is movably connected with the output end of the overturning driving cylinder; the jewelry clamping mechanism comprises a clamping seat, a locking threaded sleeve and a plurality of concentric clamping arms, wherein the number of the concentric clamping arms is a plurality, the concentric clamping arms are uniformly distributed in the clamping seat in the circumferential direction, the locking threaded sleeve is in threaded sleeve connection with the outer side of the clamping seat, and one end of each concentric clamping arm penetrates through the outer side of the clamping seat and is abutted against the inner wall of the locking threaded sleeve; the location locking mechanism includes that hydraulic pressure presss from both sides jar and friction clamping piece, the quantity of friction clamping piece is two and is fixed in the output that hydraulic pressure pressed from both sides the jar respectively, the bottom surface fixed mounting of sculpture seat has the lock to hold the ring, the friction clamping piece is the both sides that the lock held the ring of symmetric distribution.
The present invention in a preferred example may be further configured to: the output end of the multi-axis laser engraving machine head is located right above the jewelry clamping mechanism and vertically opposite to the center of a circle of the jewelry clamping mechanism, the pallet conveying rail is of an electromagnetic slide rail structure, and the input ends of the multi-axis laser engraving machine head and the pallet conveying rail are electrically connected with a controller.
By adopting the technical scheme, the multi-axis laser engraving machine head and the pallet conveying rail are a three-axis laser engraving machine and an electromagnetic sliding rail in the prior art, no repeated description is given in the invention, and the movement of the multi-axis laser engraving machine head can be controlled through the programming input of the controller and the pattern engraving can be carried out by driving the overturning engraving pallet to overturn the engraving pallet through the pallet conveying rail.
The present invention in a preferred example may be further configured to: the surface of the supporting plate is provided with an overturning groove matched with the carving seat in size, and the carving seat is rotatably arranged on the inner side of the overturning groove through a twisting lug.
Through adopting above-mentioned technical scheme, drive jewelry fixture and centre gripping work piece through carving the seat and deflect to carry out the pattern sculpture to the side slope of work piece.
The present invention in a preferred example may be further configured to: the locking ring is of a two-thirds circular arc structure, and the circle center of the circular arc of the locking ring is concentric with that of the torsion lug.
Through adopting above-mentioned technical scheme, carry out the rotary motion of sculpture seat through twisting the ear, and the lock is held the ring and is followed the rotatory synchronous deflection of sculpture seat to be located location locking mechanism's exposed core all the time.
The present invention in a preferred example may be further configured to: the hydraulic pressure presss from both sides jar fixed mounting in the top surface of upset drive box inner chamber, just friction clamping piece be composite ceramic brake block structure, a plurality of through-holes and evenly distributed have been seted up on the surface of lock ring.
Through adopting above-mentioned technical scheme, the hydraulic drive that utilizes hydraulic pressure to press from both sides the jar makes friction clamping piece and lock hold ring surface laminating butt, thereby increases the lock and holds the locking location of ring and sculpture seat with the friction between the friction clamping piece to realize the lock.
The present invention in a preferred example may be further configured to: the linkage arm is arranged in an inclined direction, the arrangement direction of the overturning driving cylinder is parallel to the bottom surface of the carving seat, and the overturning driving cylinder is of a cylinder or electric push rod structure.
By adopting the technical scheme, the engraving seat can perform deflection motion around the torsion lug by pushing the overturning driving cylinder under the linkage of the linkage arm, and the workpiece to be machined is driven to perform side engraving at different angles.
The present invention in a preferred example may be further configured to: deflection grooves with the same number as the concentric clamping arms are formed in the outer side of the clamping seat, and one ends of the concentric clamping arms penetrate through the clamping seat through the deflection grooves and are abutted against the inner side of the locking threaded sleeve; the concentric clamping arm comprises a clamping part and a lever abutting part, the clamping part and the lever abutting part are of an integrally formed structure, a rotating pin is arranged between the clamping part and the lever abutting part, the concentric clamping arm is rotatably installed on the inner side of a deflection groove of the clamping seat through the rotating pin, and the length of the lever abutting part is greater than that of the clamping part.
Through adopting above-mentioned technical scheme, the piece of carving is guaranteed with jewelry fixture's concentricity in the synchronous centre gripping of a plurality of concentric centre gripping arm structures, through the lever formula centre gripping driven mode of concentric arm lock, can carry out inseparable butt to machined part week side and consolidate, guarantees to carve the stable location of adding the work piece.
The beneficial effects obtained by the invention are as follows:
1. according to the invention, by arranging the mechanical jewelry positioning structure, the deflection clamping of the concentric clamping arms is carried out by utilizing the relative motion of the locking screw sleeve and the concentric clamping arms, the problems of low cement fixing efficiency and complexity in the traditional jewelry engraving processing are solved, the positioning mode is simple and feasible, the long-time laser high-temperature engraving can be carried out, and the practicability of the engraving equipment is improved.
2. According to the jewelry clamping mechanism, the plurality of concentric clamping arm structures are arranged, the plurality of concentric clamping arms distributed on the circumference and the locking threaded sleeve driven in a rotating mode are utilized for synchronous clamping operation, concentric clamping of a carving piece and the jewelry clamping mechanism is guaranteed, in the clamping process, the periphery side of a workpiece can be tightly abutted and reinforced in a lever type clamping driving mode of the concentric clamping arms, and stable positioning of the workpiece in carving is guaranteed.
3. According to the jewelry engraving machine, the overturning driving box structure is arranged, the overturning driving cylinder and the linkage arm in the overturning driving box are used for driving the engraving seat to perform overturning motion, so that the side slope engraving processing in jewelry engraving can be realized through any inclination angle of the engraving seat, repeated positioning is not needed, and the inclined engraving seat is locked by matching with the positioning locking mechanism, so that the accuracy of engraving processing is further ensured.
Drawings
FIG. 1 is a schematic overall structure diagram of one embodiment of the present invention;
FIG. 2 is a schematic view of a mounting structure of a reverse engraving pallet according to an embodiment of the present invention;
FIG. 3 is a schematic view of a mounting structure of the carving seat according to one embodiment of the invention;
FIG. 4 is a schematic view of the internal structure of the turnover driving box according to one embodiment of the present invention;
FIG. 5 is a schematic diagram of an inverted carving base according to an embodiment of the invention;
FIG. 6 is a cross-sectional structural view of a jewelry holding mechanism in accordance with one embodiment of the present invention;
FIG. 7 is a schematic diagram of a lock nut and concentric clip arms in accordance with one embodiment of the present invention;
fig. 8 is an operation diagram of a positioning and locking mechanism according to an embodiment of the present invention.
Reference numerals:
100. a multi-axis laser engraving head;
200. turning over the engraving support table; 210. a support plate; 220. engraving a seat; 230. turning over the driving box; 240. a linkage arm; 250. turning over the driving cylinder; 221. a locking ring; 222. twisting the lug;
300. carrying out rail transportation by a pallet;
400. a jewelry holding mechanism; 410. a clamping seat; 420. a locking thread insert; 430. a concentric clamp arm; 431. a clamping portion; 432. a lever abutment;
500. a positioning locking mechanism; 510. a hydraulic clamping cylinder; 520. a friction jaw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
It is to be understood that this description is made only by way of example and not as a limitation on the scope of the invention.
The following describes a laser engraving machine for jewelry processing according to some embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1 to 8, the present invention provides a laser engraving machine for jewelry processing, comprising: the jewelry clamping mechanism comprises a multi-axis laser engraving machine head 100, a turnover engraving saddle 200 and a saddle conveying rail 300, wherein the turnover engraving saddle 200 is slidably mounted on the top surface of the saddle conveying rail 300 and is positioned right below the multi-axis laser engraving machine head 100, a jewelry clamping mechanism 400 is fixedly mounted on the top surface of the turnover engraving saddle 200, and a positioning locking mechanism 500 is arranged inside the turnover engraving saddle 200; the overturning and carving pallet 200 comprises a supporting plate 210, a carving seat 220 and an overturning driving box 230 fixedly arranged on the bottom surface of the supporting plate 210, wherein two sides of the bottom surface of the carving seat 220 are provided with twisting lugs 222 for deflecting and rotating the carving seat 220, an overturning driving cylinder 250 is fixedly arranged in the overturning driving box 230, the bottom surface of the carving seat 220 is movably connected with a linkage arm 240, and one end of the linkage arm 240 is movably connected with the output end of the overturning driving cylinder 250; the jewelry clamping mechanism 400 comprises a clamping seat 410, a locking thread insert 420 and concentric clamping arms 430, wherein the number of the concentric clamping arms 430 is a plurality, the concentric clamping arms are uniformly distributed in the clamping seat 410 in the circumferential direction, the locking thread insert 420 is sleeved on the outer side of the clamping seat 410 in a threaded manner, and one end of each concentric clamping arm 430 penetrates through the outer side of the clamping seat 410 and abuts against the inner wall of the locking thread insert 420; the positioning locking mechanism 500 includes two hydraulic clamp cylinders 510 and two friction clamps 520, the two friction clamps 520 are respectively fixed at the output ends of the hydraulic clamp cylinders 510, the locking ring 221 is fixedly installed at the bottom surface of the carving seat 220, and the friction clamps 520 are symmetrically distributed at two sides of the locking ring 221.
In this embodiment, the output end of the multi-axis laser engraving head 100 is located directly above the jewelry clamping mechanism 400 and vertically faces the center of the jewelry clamping mechanism 400, the pallet transport rail 300 is an electromagnetic slide rail structure, the input ends of the multi-axis laser engraving head 100 and the pallet transport rail 300 are electrically connected with a controller, the multi-axis laser engraving head 100 and the pallet transport rail 300 adopt a three-axis laser engraving machine and an electromagnetic slide rail in the prior art, the movement of the multi-axis laser engraving head 100 can be controlled through the programming input of the controller, and the overturning engraving pallet 200 is driven by the pallet transport rail 300 to perform pattern engraving.
In this embodiment, the surface of the supporting plate 210 is provided with an overturning groove with a size matched with the carving seat 220, and the carving seat 220 is rotatably mounted at the inner side of the overturning groove through a twisting lug 222.
Specifically, drive jewelry fixture 400 and centre gripping work piece through sculpture seat 220 and deflect to carry out the pattern sculpture to the side slope of work piece, realize the side slope sculpture processing in the jewelry sculpture through the arbitrary inclination of sculpture seat 220, need not the repeated positioning.
In this embodiment, the locking ring 221 is a two-thirds circular arc structure, so as to realize a large-angle deflection motion of the engraving seat 220, the circular arc center of the locking ring 221 is concentric with the center of the twisting lug 222, the twisting lug 222 performs a rotation motion of the engraving seat 220, and the locking ring 221 synchronously deflects along with the rotation of the engraving seat 220 and is always located inside the clamping end of the positioning locking mechanism 500.
In this embodiment, the hydraulic clamping cylinder 510 is fixedly installed on the top surface of the inner cavity of the turnover driving box 230, and the friction clamping piece 520 is a composite ceramic brake pad structure, so that the rigidity and the surface roughness of the friction clamping piece 520 are improved, the locking is more stable, and the surface of the locking ring 221 is provided with a plurality of through holes and is uniformly distributed.
Specifically, the hydraulic driving of the hydraulic clamp cylinder 510 is utilized to make the friction clamp 520 abut against the surface of the locking ring 221, so as to increase the friction between the locking ring 221 and the friction clamp 520, thereby realizing the locking and positioning of the locking ring 221 and the carving seat 220.
In this embodiment, the linkage arm 240 is arranged in an inclined direction, the arrangement direction of the turning driving cylinder 250 is parallel to the bottom surface of the carving seat 220, and the turning driving cylinder 250 is a cylinder or an electric push rod structure.
Specifically, the engraving seat 220 is driven to perform deflection motion around the torsion lug 222 by pushing the overturning driving cylinder 250 under the linkage of the linkage arm 240, so as to drive the workpiece to be processed to perform engraving processing on the side surfaces at different angles.
In this embodiment, the outer side of the clamping seat 410 is provided with deflection slots with the same number as the concentric clamping arms 430, the concentric clamping arms 430 rotate inside the deflection slots and are clamped close to the surface of the workpiece, and one end of the concentric clamping arms 430 penetrates through the clamping seat 410 through the deflection slots and abuts against the inner side of the locking screw sleeve 420; the concentric clip arm 430 comprises a clamping portion 431 and a lever abutting portion 432, the clamping portion 431 and the lever abutting portion 432 are of an integrally formed structure, the structural strength of the concentric clip arm 430 is improved, a rotating pin is arranged between the clamping portion 431 and the lever abutting portion 432, the concentric clip arm 430 is rotatably installed inside a deflection groove of the clamping seat 410 through the rotating pin, and the length of the lever abutting portion 432 is larger than that of the clamping portion 431.
Specifically, the synchronous centre gripping of a plurality of concentric centre gripping arm structures guarantees carving piece and jewelry fixture 400's concentricity, and through concentric arm lock 430's thick stick formula centre gripping driven mode, can closely butt and consolidate in the machined part week, guarantees to carve the stable location of adding the work piece.
The working principle and the using process of the invention are as follows:
when the laser engraving machine is used, firstly, the pallet track 300 is utilized to turn over and engrave the pallet 200 to move, assemble and mount the pallet under the multi-axis laser engraving machine head 100, and calibrate an initial point position, so that a laser port of the multi-axis laser engraving machine head 100 is opposite to the circle center of the jewelry clamping mechanism 400;
the jewelry to be processed is placed in the jewelry clamping mechanism 400 and is positioned between the concentric clamping arms 430, the locking screw sleeve 420 is rotated and twisted, the locking screw sleeve 420 moves downwards along the surface thread of the clamping seat 410, the tight pivot of the concentric clamping arms 430 rotates and deflects through the abutting motion of the locking screw sleeve 420 measured at the outer side of the lever abutting part 432, the inner side of the clamping part 431 abuts against the periphery of the jewelry, the jewelry can be carved after being clamped and positioned, when the jewelry is carved after being carved, the jewelry is changed at the side, the carving seat 220 can deflect to any angle along the torsion lug 222 through the driving of the hydraulic clamping cylinder 510, the friction abutting joint of the friction clamping piece 520 and the surface of the locking ring 221 is utilized, the carving seat 220 is locked at the inclined angle, and the movement of a carving piece is avoided in the carving process.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (7)
1. Laser engraving machine for jewelry processing, characterized by, includes: the jewelry clamping mechanism comprises a multi-axis laser engraving machine head (100), a turnover engraving saddle (200) and a saddle conveying rail (300), wherein the turnover engraving saddle (200) is slidably mounted on the top surface of the saddle conveying rail (300) and is positioned right below the multi-axis laser engraving machine head (100), a jewelry clamping mechanism (400) is fixedly mounted on the top surface of the turnover engraving saddle (200), and a positioning locking mechanism (500) is arranged inside the turnover engraving saddle (200);
the overturning and carving pallet (200) comprises a supporting plate (210), a carving seat (220) and an overturning driving box (230) fixedly arranged on the bottom surface of the supporting plate (210), wherein two sides of the bottom surface of the carving seat (220) are provided with twisting lugs (222), an overturning driving cylinder (250) is fixedly arranged in the overturning driving box (230), the bottom surface of the carving seat (220) is movably connected with a linkage arm (240), and one end of the linkage arm (240) is movably connected with the output end of the overturning driving cylinder (250);
the jewelry clamping mechanism (400) comprises a clamping seat (410), a locking screw sleeve (420) and a plurality of concentric clamping arms (430), wherein the number of the concentric clamping arms (430) is a plurality, the concentric clamping arms are uniformly distributed in the clamping seat (410) in the circumferential direction, the locking screw sleeve (420) is sleeved on the outer side of the clamping seat (410) in a threaded manner, one end of each concentric clamping arm (430) penetrates through the outer side of the clamping seat (410) and abuts against the inner wall of the locking screw sleeve (420), deflection grooves with the same number as the concentric clamping arms (430) are formed in the outer side of the clamping seat (410), and one end of each concentric clamping arm (430) penetrates through the clamping seat (410) through the deflection grooves and abuts against the inner side of the locking screw sleeve (420);
location locking mechanical system (500) include hydraulic pressure clamp cylinder (510) and friction clamping piece (520), the quantity of friction clamping piece (520) is two and is fixed in the output that hydraulic pressure pressed from both sides cylinder (510) respectively, the bottom surface fixed mounting of sculpture seat (220) has the lock to hold ring (221), friction clamping piece (520) are the both sides that the symmetric distribution held ring (221) in the lock.
2. The laser engraving machine for jewelry processing according to claim 1, wherein the output end of the multi-axis laser engraving head (100) is located right above the jewelry clamping mechanism (400) and vertically faces to the center of the jewelry clamping mechanism (400), the pallet transport rail (300) is of an electromagnetic slide rail structure, and the input ends of the multi-axis laser engraving head (100) and the pallet transport rail (300) are electrically connected with a controller.
3. The laser engraving machine for jewelry processing according to claim 1, wherein the surface of the supporting plate (210) is provided with an overturning groove with a size matched with that of the engraving seat (220), and the engraving seat (220) is rotatably mounted at the inner side of the overturning groove through a twisting lug (222).
4. The laser engraving machine for jewelry processing according to claim 1, wherein the locking ring (221) has a two-thirds circular arc structure, and the center of the circular arc of the locking ring (221) is concentric with the center of the torsion lug (222).
5. The laser engraving machine for jewelry processing according to claim 1, wherein the hydraulic clamping cylinder (510) is fixedly installed on the top surface of the inner cavity of the turnover driving box (230), the friction clamping piece (520) is of a composite ceramic brake pad structure, and a plurality of through holes are formed in the surface of the locking ring (221) and are uniformly distributed.
6. The laser engraving machine for jewelry processing according to claim 1, wherein the linkage arm (240) is arranged in an inclined direction, the arrangement direction of the turning driving cylinder (250) is parallel to the bottom surface of the engraving seat (220), and the turning driving cylinder (250) is of a cylinder or electric push rod structure.
7. The laser engraving machine for jewelry processing according to claim 1, wherein the concentric clamp arm (430) comprises a clamp portion (431) and a lever abutment portion (432), the clamp portion (431) and the lever abutment portion (432) are of an integrally formed structure, a pivot pin is provided between the clamp portion (431) and the lever abutment portion (432), the concentric clamp arm (430) is rotatably mounted inside the deflection groove of the clamp holder (410) by the pivot pin, and the length of the lever abutment portion (432) is greater than that of the clamp portion (431).
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| CN202110685745.6A CN113263266B (en) | 2021-06-21 | 2021-06-21 | Laser engraving machine for jewelry processing |
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| CN202110685745.6A CN113263266B (en) | 2021-06-21 | 2021-06-21 | Laser engraving machine for jewelry processing |
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| CN113714654B (en) * | 2021-09-18 | 2023-06-23 | 深圳市嗨兴科技有限公司 | Continuous bracelet laser engraving device |
| CN114211129A (en) * | 2022-01-06 | 2022-03-22 | 深圳市弗莱博自动化设备有限公司 | Laser marking machine |
| CN114603352A (en) * | 2022-02-18 | 2022-06-10 | 佛山市南方新联物流装备制造有限公司 | Automatic welding and assembling platform for container |
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| TWM305760U (en) * | 2006-08-18 | 2007-02-01 | Micro Star Int Co Ltd | Connection structure of a workpiece and an object |
| CN103231170A (en) * | 2013-04-23 | 2013-08-07 | 上海欣展橡胶有限公司 | Engraving device for fonts on phenolic resin billiards |
| CN205309577U (en) * | 2016-01-29 | 2016-06-15 | 兴科电子科技有限公司 | Semi -automatic multi -angle radium carving machine |
| CN210548877U (en) * | 2019-07-17 | 2020-05-19 | 广东晟颐隆家居制品科技有限公司 | Resin garbage bin decorative pattern laser engraving device |
| CN111136395A (en) * | 2020-02-25 | 2020-05-12 | 六安正辉优产机电科技有限公司 | Self-centering clamping assembly of laser engraving machine |
| CN111230319A (en) * | 2020-02-27 | 2020-06-05 | 嘉兴永瑞电子科技有限公司 | Automatic radium carving device of multiaspect based on radium carving machine |
| CN212185459U (en) * | 2020-03-08 | 2020-12-22 | 智美智能科技(苏州)有限公司 | Numerical control machine tool with ring or bracelet inner circle sculpture function |
| CN212793556U (en) * | 2020-06-18 | 2021-03-26 | 东莞市优瀚激光科技有限公司 | Double-workbench visual positioning laser engraving machine |
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