CN219787039U - Double-station clamp for laser cutting - Google Patents

Abstract

The utility model relates to a double-station fixture for laser cutting, which comprises a frame, a first cutting station, a second cutting station, a first feeding mechanism and a second feeding mechanism, wherein the first cutting station and the second cutting station are adjacently arranged; the first feeding mechanism and the second feeding mechanism are used for alternately feeding the to-be-cut piece into the first cutting station and the second cutting station. Through setting up first feeding mechanism, second feeding mechanism, can be with waiting to cut the piece and send into first cutting station, second cutting station in turn, operating personnel can go up the unloading to another when one of first feeding mechanism and second feeding mechanism works, and wait to cut the piece and can switch between first cutting station and second cutting station, can realize waiting to cut uninterrupted processing of piece, shorten process time, effectively solved the problem that the manpower frequently goes on manual unloading, and can more effective increase cutting efficiency, save time, duplex position exchange use, can exert the maximize with output.

Description

Double-station clamp for laser cutting

Technical Field

The utility model relates to the technical field of laser cutting equipment, in particular to a double-station clamp for laser cutting.

Background

At present, laser cutting adopts energy released when laser beams irradiate the surface of a workpiece to be cut to melt and evaporate the workpiece to be cut, and the laser cutting has no burrs and wrinkles and high accuracy. However, in the related art, cutting a workpiece to be cut needs to be performed continuously and repeatedly between different cutting stations, in the process, manual operation is mainly performed, dependence is strong, and multiple times of feeding and discharging are needed manually, so that cutting efficiency is low.

Disclosure of Invention

Based on this, it is necessary to provide a double-station fixture which can realize uninterrupted processing of a workpiece to be cut, shorten the processing time, effectively solve the problem that manual feeding and discharging are frequently carried out by manpower, effectively increase the cutting efficiency, save time and exert the output to the maximum laser cutting.

A double-station fixture for laser cutting comprises a frame, a first cutting station, a second cutting station, a first feeding mechanism and a second feeding mechanism which are arranged on the frame,

the first cutting station is arranged adjacent to the second cutting station;

the first feeding mechanism and the second feeding mechanism are arranged in parallel; the first feeding mechanism and the second feeding mechanism are used for alternately feeding a piece to be cut into the first cutting station and the second cutting station, the first feeding mechanism and the second feeding mechanism both comprise a clamping assembly for clamping the piece to be cut and a clamping driving assembly, and the clamping driving assembly is used for driving the clamping assembly to move;

the limiting buffer mechanism is arranged at the second cutting station, is used for buffering the first feeding mechanism and the second feeding mechanism, and can limit the positions of the first feeding mechanism and the second feeding mechanism on the second cutting station.

In one embodiment, the two clamping assemblies are both slidably connected to the frame through a first sliding assembly;

the first sliding assembly comprises a first sliding guide rail arranged on the frame, a first sliding block matched with the first sliding guide rail and a first supporting piece, and the clamping assembly is connected with the first sliding block through the first supporting piece.

In one embodiment, each clamping assembly comprises two clamping members arranged opposite to each other, and the two clamping members can be close to each other or far away from each other so as to clamp the workpiece to be cut.

In one embodiment, each clamping member comprises a second supporting member and a pressing plate, wherein the upper surface of the second supporting member can be abutted against the member to be cut, and the pressing plate is mounted on the second supporting member in a height-adjustable mode so as to press the member to be cut.

In one embodiment, the clamping member further comprises a pressing plate driving part, and the pressing plate driving part is used for driving the pressing plate to move along the direction approaching to or separating from the to-be-cut member.

In one embodiment, the clamping piece further comprises a clamping mounting seat, a mounting groove is formed in the clamping mounting seat, the second supporting piece is arranged in the mounting groove, an abutting groove is formed between the mounting groove and the second supporting piece, and the piece to be cut abuts against the inside of the abutting groove.

In one embodiment, the two clamping pieces are slidably connected with the first supporting piece through a second sliding component;

the second sliding assembly comprises a second sliding guide rail arranged on the first supporting piece and a second sliding block matched with the second sliding guide rail, and the two clamping pieces are respectively connected to the second sliding guide rail through the second sliding block; the extending direction of the second sliding guide rail is perpendicular to the extending direction of the first sliding guide rail.

In one embodiment, the second sliding assembly further comprises an adjusting locking member for adjusting the position between the two clamping members and locking the positions of the two clamping members relative to the second sliding rail.

In one embodiment, the limiting and buffering mechanism comprises a limiting piece and a buffering piece, wherein the limiting piece is used for limiting the positions of the first feeding mechanism and the second feeding mechanism relative to the frame; the buffer piece provides buffer for the first feeding mechanism and the second feeding mechanism.

In one embodiment, the limiting piece comprises a magnetic fixing base and a magnetic part, wherein the magnetic fixing base is fixedly arranged, the magnetic part is connected with the magnetic fixing base, and the magnetic part can fix the first feeding mechanism and the second feeding mechanism;

and/or the buffer piece comprises an abutting plate connected to the first feeding mechanism and the second feeding mechanism and a buffer fixedly arranged, and the buffer can be abutted with the abutting plate so as to slow down the moving speed of the first feeding mechanism and the second feeding mechanism.

According to the scheme, the first feeding mechanism and the second feeding mechanism are arranged, so that a workpiece to be cut can be alternately fed into the first cutting station and the second cutting station, an operator can feed and discharge the other one of the first feeding mechanism and the second feeding mechanism when one of the first feeding mechanism and the second feeding mechanism alternately feeds the workpiece to be cut into the first cutting station and the second cutting station, the workpiece to be cut can be switched between the first cutting station and the second cutting station, uninterrupted processing of the workpiece to be cut can be realized, the processing time is shortened, the problem that manual feeding and discharging are frequently performed by manpower is effectively solved, the cutting efficiency is effectively increased, the time is saved, double-station exchanging is used, the yield can be maximized, and meanwhile, the full-automatic feeding and discharging station can be realized; through setting up spacing buffer gear, provide buffering to first feeding mechanism and second feeding mechanism, and can restrict first feeding mechanism and second feeding mechanism's position on the second cutting station, can make wait to cut the piece when the second cutting station cuts, prevent that first feeding mechanism and second feeding mechanism from appearing the phenomenon of indiscriminate shaking, guarantee the cutting effect.

Drawings

Fig. 1 is a schematic structural diagram of a laser cutting dual-station fixture according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a second feeding mechanism according to an embodiment of the present utility model under a first view angle.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is a schematic structural diagram of a second feeding mechanism according to an embodiment of the present utility model under a second view angle.

Fig. 5 is a schematic structural view of a clamping driving portion according to an embodiment of the utility model.

Fig. 6 is a schematic structural diagram of a clamping transmission part according to an embodiment of the utility model.

Fig. 7 is a schematic structural diagram of a limiting buffer mechanism according to an embodiment of the utility model.

Description of the reference numerals

10. A double-station fixture for laser cutting; 100. a frame; 200. a first cutting station; 300. a second cutting station; 400. a first feeding mechanism; 500. a second feeding mechanism; 510. a clamping member; 511. a second support; 512. a pressing plate; 513. clamping the mounting seat; 514. an abutment groove; 520. clamping the driving assembly; 521. a clamping driving part; 5211. a driving motor; 5212. a drive motor mount; 522. clamping the transmission part; 5221. a first driving wheel; 5222. a second driving wheel; 5223. a synchronous belt; 5224. a dust-proof member; 5225. a dust-proof bracket; 5226. a driving wheel supporting seat; 600. a limit buffer mechanism; 610. a limiting piece; 611. a magnetic fixed base; 612. magnetic attraction; 620. a buffer member; 700. a first slide assembly; 710. a first slide rail; 720. a first support; 800. a second slide assembly; 810. a second slide rail; 820. a second slider; 830. adjusting the locking member; 831. an adjusting plate; 832. a fastener.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If 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, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1, an embodiment of the present utility model provides a dual-station fixture 10 for laser cutting, which includes a frame 100, a first cutting station 200, a second cutting station 300, a first feeding mechanism 400, a second feeding mechanism 500 and a limiting buffer mechanism 600 disposed on the frame 100, wherein the first cutting station 200 is disposed adjacent to the second cutting station 300. The first feeding mechanism 400 is arranged parallel to the second feeding mechanism 500, and the first feeding mechanism 400 and the second feeding mechanism 500 are used for alternately feeding the workpiece to be cut into the first cutting station 200 and the second cutting station 300. The limiting and buffering mechanism 600 is used for buffering the first feeding mechanism 400 and the second feeding mechanism 500, and limiting the positions of the first feeding mechanism 400 and the second feeding mechanism 500 relative to the frame 100.

The first feeding mechanism 400 and the second feeding mechanism 500 each comprise a clamping assembly and a clamping driving assembly 520 for clamping a workpiece to be cut, and the clamping driving assemblies 520 are used for driving the clamping assemblies to move so as to alternately feed the workpiece to be cut in the clamping assemblies into the first cutting station 200 and the second cutting station 300. Specifically, the clamp driving assembly 520 is used to drive the clamp assembly to move in the X direction.

The limiting and buffering mechanism 600 is disposed at the second cutting station 300, and is capable of buffering the first feeding mechanism 400 and the second feeding mechanism 500, and limiting the positions of the first feeding mechanism 400 and the second feeding mechanism 500 on the second cutting station 300. Specifically, the limit buffer mechanism 600 is used to provide buffer for the clamping assembly and can limit the position of the clamping assembly relative to the frame 100.

By arranging the first feeding mechanism 400 and the second feeding mechanism 500, the workpiece to be cut can be alternately fed into the first cutting station 200 and the second cutting station 300, when one of the first feeding mechanism 400 and the second feeding mechanism 500 alternately feeds the workpiece to be cut into the first cutting station 200 and the second cutting station 300, an operator can feed and discharge the other of the first feeding mechanism 400 and the second feeding mechanism 500, the workpiece to be cut can be switched between the first cutting station 200 and the second cutting station 300, uninterrupted processing of the workpiece to be cut can be realized, the processing time is shortened, the problem that manual feeding and discharging are frequently carried out by manpower is effectively solved, the cutting efficiency is effectively increased, the time is saved, double-station exchanging use is realized, the yield is exerted to the maximum, and meanwhile, the full-automatic feeding and discharging station is realized; through setting up spacing buffer gear 600, provide the buffering to first feeding mechanism 400 and second feeding mechanism 500, and can restrict first feeding mechanism 400 and second feeding mechanism 500 position on second cutting station 300, can make wait to cut the piece when second cutting station 300 cuts, prevent that first feeding mechanism 400 and second feeding mechanism 500 from appearing the phenomenon of messy shaking, guarantee the cutting effect.

Referring to fig. 1, according to some embodiments of the utility model, optionally, both clamping assemblies are slidably coupled to the frame 100 by a first sliding assembly 700. Specifically, the first sliding assembly 700 includes a first sliding rail 710 disposed on the frame 100, a first slider and a first support member 720 that are matched with the first sliding rail 710, and the clamping assembly is connected with the first slider through the first support member 720. More specifically, the first slider is fixedly coupled to the first support 720. The first supporting member 720 has a groove type structure. The first supporting member 720 is covered on the first slider.

The first slide rail 710 includes a first section on the frame 100 where the first cutting station 200 is located and a second section outside the frame 100 where the second cutting station 300 is located.

Further, referring to fig. 1, 5 and 6, the clamping driving assembly 520 includes a clamping driving portion 521 and a clamping transmission portion 522, and the clamping driving portion 521 drives the clamping assembly to move through the clamping transmission portion 522. Specifically, the clamping driving portion 521 includes a driving motor 5211 and a driving motor 5211 mounting base, and the driving motor 5211 is fixedly connected to the driving motor 5211 mounting base. The clamping transmission part 522 comprises a first transmission wheel 5221 in transmission connection with the driving motor 5211, a second transmission wheel 5222 and a synchronous belt 5223 which are fixedly connected, and a space is reserved between the second transmission wheel 5222 and the first transmission wheel 5221. The timing belt 5223 is in driving connection with the first and second driving wheels 5221 and 5222. Specifically, the timing belt 5223 is connected to the first support 720, and when the timing belt 5223 moves, the first support 720 also moves synchronously.

More specifically, the clamping transmission portion 522 further includes a dust-proof member 5224, a dust-proof support 5225 and a driving wheel support 5226, where the dust-proof member 5224 is in a groove structure and is covered on the timing belt 5223. The dust guard 5224 is fixedly attached to the dust guard bracket 5225. The second driving wheel 5222 is disposed on the driving wheel support 5226, and the dust-proof member 5224 and the dust-proof support 5225 are fixedly connected to the driving wheel support 5226. The dust-proof member 5224 can protect the timing belt 5223 and prevent the timing belt 5223 from being scalded when the workpiece to be cut is cut.

Referring to fig. 1, 2 and 3, according to some embodiments of the present utility model, each clamping assembly may optionally include two clamping members 510 disposed opposite to each other, and the two clamping members 510 can be close to each other or far away from each other to clamp the workpiece to be cut. Through setting up two holders 510 to be close to each other or keep away from each other, can be according to the not unidimensional piece of waiting to cut, with satisfy the not unidimensional piece of waiting to cut, application scope is wider.

Referring to fig. 1, 2 and 3, according to some embodiments of the present utility model, optionally, each clamping member 510 includes a second supporting member 511 and a pressing plate 512, wherein an upper surface of the second supporting member 511 is capable of abutting against a workpiece to be cut, and the pressing plate 512 is mounted on the second supporting member 511 in a height-adjustable manner so as to press the workpiece to be cut.

When the workpiece to be cut needs to be placed, the height of the pressing plate 512 can be adjusted to be higher, the workpiece to be cut is placed on the upper surface of the second supporting member 511, and finally the height of the pressing plate 512 is adjusted to enable the pressing plate 512 to be propped against the upper surface of the workpiece to be cut, so that the workpiece to be cut is pressed tightly, and the conveying and cutting of the workpiece to be cut are facilitated.

In this embodiment, the clamping member 510 further includes a platen driving portion for driving the platen 512 to move in a direction approaching or moving away from the workpiece to be cut. Specifically, the platen driving part adopts an air cylinder, and the power output end of the air cylinder is fixedly connected with the platen 512. And the second supporting member 511 is provided with a through hole, and the power output end of the air cylinder can be arranged in the through hole in a penetrating way. More specifically, the pressing plate 512 and the pressing plate driving part include a plurality of pressing plates 512 and the pressing plate driving part are uniformly arranged along the length direction of the second supporting member 511 at intervals to compress the workpiece to be cut.

Referring to fig. 1, 2 and 3, according to some embodiments of the present utility model, optionally, the clamping member 510 further includes a clamping mounting seat 513, a mounting groove is formed in the clamping mounting seat 513, the second supporting member 511 is disposed in the mounting groove, the mounting groove and the second supporting member 511 form an abutting groove 514, and the workpiece to be cut abuts against the abutting groove 514.

Specifically, the clamping mount 513 includes an upper retaining wall, a lower retaining wall, a side retaining wall and a limiting retaining wall connected between the upper retaining wall and the lower retaining wall, wherein the limiting retaining wall is disposed at one end of the lower retaining wall away from the side retaining wall, and a mounting groove is formed between the limiting retaining wall and the upper retaining wall. An L-shaped abutment groove 514 is formed between the end of the upper barrier wall remote from the side barrier wall and the upper surface of the second support 511. One side of the workpiece to be cut may be abutted against an end of the upper baffle wall away from the side baffle wall, and a lower surface of the workpiece to be cut is abutted against an upper surface of the second support 511.

Referring to fig. 1, 2 and 4, according to some embodiments of the utility model, optionally, two clamping members 510 are slidably connected to the first supporting member 720 through the second sliding member 800. Specifically, the second sliding assembly 800 includes a second sliding rail 810 disposed on the first supporting member 720 and a second slider 820 matched with the second sliding rail 810, and the two clamping members 510 are respectively connected to the second sliding rail 810 through a second slider 820. The extending direction of the second sliding guide 810 is perpendicular to the extending direction of the first sliding guide 710.

More specifically, each clamping assembly corresponds to two first supporting members 720, and the second sliding rail 810 is disposed between the two first supporting members 720. The extending direction of the second slide rail 810 is the Y direction.

Further, the second sliding assembly 800 further includes an adjusting locking member 830, where the adjusting locking member 830 is used to adjust the position between the two clamping members 510, and can lock the positions of the two clamping members 510 relative to the second sliding rail 810. Specifically, the adjusting locking member 830 includes a plurality of adjusting holes, two adjusting plates 831, and two fastening members 832 disposed on the second sliding rail 810, and the plurality of adjusting holes are disposed at intervals along the length of the second sliding rail 810. The two adjusting plates 831 are respectively connected to a clamping member 510, and the two adjusting plates 831 are respectively provided with mounting holes, and the two fasteners 832 can be inserted into the corresponding mounting holes and are fastened to the adjusting holes, so that the clamping member 510 can be locked relative to the position of the second sliding rail 810.

When it is desired to adjust the position between the two clamping members 510, the fastener 832 that mates with the corresponding clamping member 510 need only be loosened. After the position adjustment between the two clamping members 510 is completed, the fastening member 832 is inserted into the corresponding adjusting hole, and the fastening member 832 is screwed.

Referring to fig. 1 and 7, according to some embodiments of the utility model, the limiting and buffering mechanism 600 includes a limiting member 610 and a buffering member 620, wherein the limiting member 610 is used for limiting the positions of the first feeding mechanism 400 and the second feeding mechanism 500 relative to the frame 100. The buffer 620 provides buffering for the first feeding mechanism 400 and the second feeding mechanism 500. Specifically, the stop 610 is used to limit the position of the clamping assembly relative to the frame 100. The buffer 620 provides a buffer for the clamping assembly.

The buffer 620 includes a contact plate connected to the first feeding mechanism 400 and the second feeding mechanism 500 and a buffer fixedly disposed thereon, and the buffer can contact with the contact plate to slow down the moving speed of the first feeding mechanism 400 and the second feeding mechanism 500. The buffer distance of the buffer can be adjusted according to the moving speed of the first feeding mechanism 400 and the second feeding mechanism 500, and the buffer distance of the first feeding mechanism 400 and the second feeding mechanism 500 is not limited in the present utility model. Specifically, the damper employs a hydraulic damper. Specifically, the abutting plate is arranged on the clamping assembly.

Specifically, the limiting member 610 includes a fixed magnetic fixing base 611 and a magnetic fixing 612 connected to the fixed magnetic base 611, where the magnetic fixing 612 can fix the first feeding mechanism 400 and the second feeding mechanism 500, so as to facilitate cutting of the workpiece to be cut. Specifically, the magnetic attraction 612 acts on the clamping assembly to secure the clamping assembly.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A double-station fixture for laser cutting is characterized by comprising a frame, a first cutting station, a second cutting station, a first feeding mechanism and a second feeding mechanism which are arranged on the frame,

the first cutting station is arranged adjacent to the second cutting station;

the first feeding mechanism and the second feeding mechanism are arranged in parallel; the first feeding mechanism and the second feeding mechanism are used for alternately feeding a piece to be cut into the first cutting station and the second cutting station, the first feeding mechanism and the second feeding mechanism both comprise a clamping assembly for clamping the piece to be cut and a clamping driving assembly, and the clamping driving assembly is used for driving the clamping assembly to move;

the limiting buffer mechanism is arranged at the second cutting station, is used for buffering the first feeding mechanism and the second feeding mechanism, and can limit the positions of the first feeding mechanism and the second feeding mechanism on the second cutting station.

2. The dual-station fixture for laser cutting as defined in claim 1, wherein both of said clamping assemblies are slidably coupled to said frame by a first slide assembly;

the first sliding assembly comprises a first sliding guide rail arranged on the frame, a first sliding block matched with the first sliding guide rail and a first supporting piece, and the clamping assembly is connected with the first sliding block through the first supporting piece.

3. The dual-station fixture for laser cutting as defined in claim 2, wherein each of the clamping assemblies comprises two oppositely disposed clamping members, and the clamping members are capable of being moved toward and away from each other to clamp the workpiece to be cut.

4. A dual-station fixture for laser cutting as claimed in claim 3, wherein each clamping member comprises a second support member, an upper surface of which is capable of abutting against the workpiece to be cut, and a pressing plate, which is height-adjustably mounted on the second support member to press the workpiece to be cut.

5. The dual-station fixture for laser cutting as defined in claim 4, wherein the clamping member further comprises a platen driving portion for driving the platen to move in a direction approaching or moving away from the member to be cut.

6. The dual-station fixture for laser cutting according to claim 4, wherein the clamping member further comprises a clamping mounting seat, a mounting groove is formed in the clamping mounting seat, the second supporting member is arranged in the mounting groove, an abutting groove is formed between the mounting groove and the second supporting member, and the member to be cut abuts against the abutting groove.

7. A dual-station fixture for laser cutting as defined in claim 3 wherein both said clamping members are slidably connected to said first support member by a second slide assembly;

the second sliding assembly comprises a second sliding guide rail arranged on the first supporting piece and a second sliding block matched with the second sliding guide rail, and the two clamping pieces are respectively connected to the second sliding guide rail through the second sliding block; the extending direction of the second sliding guide rail is perpendicular to the extending direction of the first sliding guide rail.

8. The dual-station fixture for laser cutting as defined in claim 7, wherein said second slide assembly further comprises an adjustment lock for adjusting the position between two of said clamping members and locking the position of two of said clamping members relative to said second slide rail.

9. The double-station fixture for laser cutting according to claim 1, wherein the limiting and buffering mechanism comprises a limiting piece and a buffering piece, and the limiting piece is used for limiting the positions of the first feeding mechanism and the second feeding mechanism relative to the frame; the buffer piece provides buffer for the first feeding mechanism and the second feeding mechanism.

10. The double-station fixture for laser cutting according to claim 9, wherein the limiting piece comprises a magnetic attraction fixing base fixedly arranged and a magnetic attraction connected with the magnetic attraction fixing base, and the magnetic attraction can fix the first feeding mechanism and the second feeding mechanism;

and/or the buffer piece comprises an abutting plate connected to the first feeding mechanism and the second feeding mechanism and a buffer fixedly arranged, and the buffer can be abutted with the abutting plate so as to slow down the moving speed of the first feeding mechanism and the second feeding mechanism.