Alignment mechanism and machining equipment

Abstract

The utility model relates to the technical field of circuit board processing equipment, in particular to an alignment mechanism and processing equipment. The aligning mechanism comprises a rack, a conveying assembly and a beating and aligning assembly. The conveying assembly and the beating and aligning assembly are both arranged on the rack. The beating and aligning assembly comprises a first limiting piece, a second limiting piece and a first driving assembly; the first driving assembly is connected with the first limiting piece and the second limiting piece, and the first driving assembly is used for driving the first limiting piece and the second limiting piece to move in opposite directions at the same time; a clamping space used for clamping a workpiece is formed between the first limiting piece and the second limiting piece, and the conveying assembly is used for conveying the workpiece to the clamping space. According to the utility model, the two limiting pieces are driven by one driving source to finish the alignment work, so that the alignment cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit board processing equipment, in particular to a positioning mechanism and processing equipment. Background Art

[0002] In the packaging process of printed circuit boards, the packaging line is used to transport printed circuit boards (PCBs). At the same time, in the transmission direction, the PCBs need to be positioned at the preset position of the packaging line to facilitate product code reading and tracking. However, the sizes of PCBs with different material numbers vary greatly. When products with different material numbers are produced in an interlaced manner, it is difficult to position all PCBs with different material numbers in the middle of the packaging line.

[0003] In the prior art, a two-sided clapper method is generally used to position the PCB at a preset position of the packaging line. This method usually uses two power sources to drive the clappers on both sides respectively, which leads to an increase in cost. Utility Model Content

[0004] The technical problem to be solved by the utility model is: in view of the problem of increased cost in the prior art, two power sources are used to drive the clappers on both sides respectively, and a positioning mechanism and processing equipment are provided.

[0005] In order to solve the above technical problems, on the one hand, the embodiment of the utility model provides a positioning mechanism, including a frame, a conveying component and an alignment component;

[0006] The conveying assembly and the aligning assembly are both arranged on the frame;

[0007] The alignment component includes a first limit member, a second limit member and a first drive component; the first drive component is connected to the first limit member and the second limit member, and the first drive component is used to drive the first limit member and the second limit member to move in opposite directions at the same time; a clamping space for clamping the workpiece is formed between the first limit member and the second limit member, and the conveying component is used to deliver the workpiece to the clamping space.

[0008] Optionally, the first driving assembly includes a first power source, a first transmission connection, a plurality of fixed seats, a first driving gear and a first driven gear, the housing of the first power source is arranged on the frame, the first driving gear is installed on the output end of the first power source, the first driven gear and the first driving gear are spaced apart along the first direction, and the first transmission connection is wound around the first driving gear and the first driven gear; the plurality of fixed seats are installed on the first transmission connection, and the first limit member and the second limit member are respectively arranged on one of the fixed seats.

[0009] Optionally, the first transmission connecting member includes a first transmission section and a second transmission section that are connected, the first power source has a first side portion and a second side portion that are opposite, the first transmission section is located on the first side portion, and the second transmission section is located on the second side portion; a fixed seat is provided on each of the first transmission section and the second transmission section, wherein the first limiting member is connected to the fixed seat on the first transmission section, and the second limiting member is connected to the fixed seat on the second transmission section.

[0010] Optionally, the first limiting member includes a first side plate and a first elastic member, the second limiting member includes a second side plate and a second elastic member, the first side plate and the second side plate are spaced apart in a first direction and connected to the frame through the first driving assembly, the first side plate is connected to the first elastic member on the side facing the second side plate, and the second side plate is connected to the second elastic member on the side facing the first side plate, and the first elastic member and the second elastic member are used to buffer the correction force of the first limiting member and the second limiting member on the workpiece.

[0011] Optionally, the first limiting member also includes a first contact member, and the second limiting member also includes a second contact member, the first contact member is connected to a side of the first elastic member facing the second side plate, and the second contact member is connected to a side of the second elastic member facing the first side plate, and both the first contact member and the second contact member are used to abut the workpiece.

[0012] Optionally, an elasticity measuring device is further included, and the elasticity measuring device is arranged on the first side plate and / or the second side plate, and is used to detect the compression amount of the first elastic member and / or the second elastic member.

[0013] Optionally, the conveying assembly includes a plurality of conveying rollers and a second driving assembly, wherein the plurality of conveying rollers are arranged on the frame at intervals along a second direction perpendicular to the first direction, and the second driving assembly is used to drive the conveying rollers to rotate and convey the workpiece to the clamping space along the second direction;

[0014] The first side plate and the second side plate are inserted into the gaps between the plurality of conveying rollers and are both connected to the first driving assembly;

[0015] The shapes of one end of the first contact member and the second contact member close to the plurality of conveying rollers are adapted to the plurality of conveying rollers.

[0016] Optionally, the second driving assembly includes a second power source, a second driving gear, a second transmission connecting member and a second driven gear, the housing of the second power source is disposed on the frame, the second driving gear is installed on the output end of the second power source, each of the conveying rollers is provided with a second driven gear, and the second transmission connecting member is wound around the second driving gear and the second driven gear.

[0017] Optionally, the second driving assembly further includes a tensioning member, the tensioning member includes a supporting shaft and a tensioning gear, the tensioning gear is connected to the frame via the supporting shaft, and a gear tooth portion of the tensioning gear abuts against the second transmission connecting member.

[0018] Optionally, it further includes a support frame, the frame is provided with a guide mechanism extending along the first direction, the support frame is mounted on the fixing seat and slidably connected to the guide mechanism, and the first limit member and the second limit member are respectively provided on one of the support frames.

[0019] Optionally, a product arrival sensing device is further included, and the product arrival sensing device is arranged on the frame and is used to detect whether the workpiece has arrived at the clamping space.

[0020] Optionally, the first driving assembly includes a first power source, a driving gear, a driven gear, a first screw, a second screw, a first guide seat and a second guide seat, the frame is provided with a guide device extending along a first direction, the housing of the first power source is provided on the frame, the output shaft of the first power source is set to the first screw and extends along the first direction, the driving gear is fixedly provided on the first screw, the second screw is arranged parallel to the first screw in the first direction, the driven gear is fixedly provided on the second screw, and the driven gear is meshed with the driving gear so that the first screw and the second screw rotate in opposite directions, the first guide seat is slidably provided on the first screw and the guide device, the second guide seat is slidably provided on the second screw and the guide device, the first limit member is provided on the first guide seat, and the second limit member is provided on the second guide seat.

[0021] According to the alignment mechanism of this embodiment, after the workpiece is placed on the conveying assembly, the conveying assembly transports the workpiece to the clamping space, and the first driving assembly drives the first limiter and the second limiter to move toward each other, so that the first limiter and the second limiter are close to each other, and then the workpiece is pushed to the desired position. After the first limiter and the second limiter push the workpiece to the desired position, the first driving member drives the first limiter and the second limiter to move away from each other, so that the first limiter and the second limiter are away from each other, and the corresponding clamping space is reserved, so that the subsequent alignment work of other workpieces can be facilitated. In this embodiment, the transportation direction of the conveying assembly is preferably perpendicular to the moving direction of the first limiter. This embodiment drives two limiters to complete the alignment work by a driving source, which reduces the alignment cost. At the same time, this embodiment replaces manual work to move the workpiece to the desired position, reduces manual intervention, reduces costs, and improves the efficiency of placing workpieces.

[0022] On the other hand, an embodiment of the utility model provides a processing device used for processing PCB boards, including the above-mentioned alignment mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural schematic diagram of a first viewing angle of an alignment mechanism provided by an embodiment of the utility model;

[0024] Figure 2 It is a structural schematic diagram of a second viewing angle of an alignment mechanism provided by an embodiment of the utility model;

[0025] Figure 3 It is a schematic diagram of the alignment mechanism provided by one embodiment of the utility model after removing some structures;

[0026] Figure 4 It is a schematic diagram of a positioning mechanism provided by another embodiment of the utility model with some structures removed;

[0027] Figure 5 It is a schematic diagram of an alignment mechanism provided by another embodiment of the utility model with some structures removed.

[0028] The reference numerals in the specification are as follows:

[0029] 1. Frame; 2. Conveying assembly; 3. Aligning assembly; 4. Clamping space; 5. Elastic measuring device; 6. Support frame; 7. Guide mechanism; 8. Product arrival sensing device; 21. Conveying roller; 22. Second driving assembly; 221. Second power source; 222. Second driving gear; 223. Second transmission connecting member; 224. Second driven gear; 225. Tensioning member; 31. First limiting member; 32. Second limiting member; 33. First driving assembly; 311. First side plate; 312. First elastic member; 313. First contact member; 321. Second side plate; 322. Second elastic member; 323. Second contact member; 331. First power source; 332. First transmission connecting member; 333. Fixed seat; 334. First driving gear; 335. First driven gear; 3321. First transmission section; 3322. Second transmission section. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0031] like Figures 1 to 5 As shown, an embodiment of the utility model provides a positioning mechanism, including a frame 1, a conveying component 2 and an alignment component 3;

[0032] The conveying component 2 and the aligning component 3 are both arranged on the frame 1;

[0033] The snap assembly 3 includes a first limiter 31, a second limiter 32 and a first drive assembly 33; the first drive assembly 33 is connected to the first limiter 31 and the second limiter 32, and the first drive assembly 33 is used to drive the first limiter 31 and the second limiter 32 to move in opposite directions at the same time; a clamping space 4 for clamping the workpiece is formed between the first limiter 31 and the second limiter 32, and the conveying assembly 2 is used to deliver the workpiece to the clamping space 4. In this embodiment, the first limiter 31 and the second limiter 32 are arranged relative to each other, and the clamping space 4 is the space between the first limiter 31 and the second limiter 32, and the size of the clamping space 4 can be changed. When there is no workpiece between the clamping space 4, the space of the clamping space 4 is larger, so that it is convenient for the conveying assembly 2 to convey the workpiece to the clamping space 4. After the transport assembly delivers the workpiece to the clamping space 4, the first drive assembly 33 drives the first limiter 31 and the second limiter 32 to move toward each other, so that the space of the clamping space 4 gradually becomes smaller until at least one of the first limiter 31 and the second limiter 32 contacts the workpiece. When one of the first limiter 31 and the second limiter 32 contacts the workpiece, the contacting limiter will push the workpiece to move in the direction of the other limiter until the first limiter 31 and the second limiter 32 clamp the workpiece. In this process, the workpiece is moved to the desired position, which can facilitate subsequent work (such as code reading and tracking). After the first limiter 31 and the second limiter 32 transfer the workpiece to the desired position, the first limiter 31 and the second limiter 32 move away from each other, so that the clamping space 4 is restored to a state of a larger space. In this embodiment, the workpiece can be a circuit board (PCB board) or other products.

[0034] In one embodiment, the first driving assembly 33 includes a first power source 331, a first transmission connection member 332, a plurality of fixed seats 333, a first driving gear 334 and a first driven gear 335. The housing of the first power source 331 is disposed on the frame 1, the first driving gear 334 is mounted on the output end of the first power source 331, the first driven gear 335 and the first driving gear 334 are spaced apart along the first direction, the first transmission connection member 332 is wound around the first driving gear 334 and the first driven gear 335; a plurality of fixed seats 333 are mounted on the first transmission connection member 332, and the first limit member 31 and the second limit member 32 are respectively disposed on one of the fixed seats 333.

[0035] In one embodiment, the first transmission connection member 332 includes a first transmission section 3321 and a second transmission section 3322 connected to each other, the first power source 331 has a first side portion and a second side portion opposite to each other, the first transmission section 3321 is located at the first side portion, and the second transmission section 3322 is located at the second side portion; a fixed seat 333 is provided on each of the first transmission section 3321 and the second transmission section 3322, wherein the first stopper 31 is connected to the fixed seat 333 on the first transmission section 3321, and the second stopper 32 is connected to the fixed seat 333 on the second transmission section 3322. By adjusting the positions of the two fixed seats 333 on the first transmission section 3321 and the second transmission section 3322, the first stopper 31 and the second stopper 32 can center and align workpieces of different sizes, thereby facilitating subsequent scanning and tracking. In this embodiment, the first power source 331 is preferably a closed-loop stepping motor, and the first transmission connection member 332 is preferably a conveyor belt, so that the workpieces can be accurately centered and aligned.

[0036] In one embodiment, the first stopper 31 includes a first side plate 311 and a first elastic member 312, and the second stopper 32 includes a second side plate 321 and a second elastic member 322. The first side plate 311 and the second side plate 321 are spaced apart in the first direction and connected to the frame 1 through the first driving assembly 33. The first side plate 311 is connected to the first elastic member 312 on the side facing the second side plate 321, and the second side plate 321 is connected to the second elastic member 322 on the side facing the first side plate 311. The first elastic member 312 and the second elastic member 322 are used to buffer the correction force of the first stopper 31 and the second stopper 32 on the workpiece. In this embodiment, the first stopper 31 and the second stopper 32 are respectively in contact with the workpiece through the first elastic member 312 and the second elastic member 322. By setting the first elastic member 312 and the second elastic member 322, a buffering effect can be played, and the workpiece can be prevented from being damaged when the workpiece is aligned. The first elastic member 312 and the second elastic member 322 are preferably springs.

[0037] In one embodiment, the first stopper 31 further includes a first contact member 313, and the second stopper 32 further includes a second contact member 323. The first contact member 313 is connected to the side of the first elastic member 312 facing the second side plate 321, and the second contact member 323 is connected to the side of the second elastic member 322 facing the first side plate 311. The first contact member 313 and the second contact member 323 are both used to abut against the workpiece. In this embodiment, the first contact member 313 and the second contact member 323 are in contact with the workpiece, and the first elastic member 312 and the second elastic member 322 buffer the first contact member 313 and the second contact member 323, so that the workpiece can be better aligned.

[0038] In one embodiment, an elasticity measuring device 5 is further included, and the elasticity measuring device 5 is disposed on the first side plate 311 and / or the second side plate 321, and is used to detect the compression amount of the first elastic member 312 and / or the second elastic member 322. In this embodiment, the elasticity measuring device 5 is disposed on both the first side plate 311 and the second side plate 321. The elasticity measuring device 5 is suitable for being connected to a controller (PLC), and the controller controls whether the first driving assembly 33 stops the alignment action according to the compression amount of the first elastic member 312 and / or the second elastic member 322 fed back by the elasticity measuring device 5.

[0039] In one embodiment, the conveying assembly 2 includes a plurality of conveying rollers 21 and a second driving assembly 22. The plurality of conveying rollers 21 are arranged on the frame 1 at intervals along a second direction perpendicular to the first direction. The second driving assembly 22 is used to drive the conveying rollers 21 to rotate and convey the workpiece to the clamping space 4 along the second direction.

[0040] The first side plate 311 and the second side plate 321 are disposed in the gaps between the plurality of conveying rollers 21 and are both connected to the first driving assembly 33;

[0041] The shapes of the first contact member 313 and the second contact member 323 at one end close to the plurality of conveying rollers 21 are adapted to the plurality of conveying rollers 21. In this embodiment, the second driving assembly 22 drives the conveying rollers 21 to rotate around their own axes so that the conveying rollers 21 transport the workpieces along the second direction. In this embodiment, the first side plate 311 and the second side plate 321 are provided with structures (through holes) adapted to the conveying rollers 21. In this embodiment, the second direction is the transport direction, and when the second direction is the front-to-back direction, the first direction is the left-to-right direction.

[0042] In one embodiment, the second driving assembly 22 includes a second power source 221, a second driving gear 222, a second transmission connecting member 223 and a second driven gear 224. The housing of the second power source 221 is disposed on the frame 1, the second driving gear 222 is mounted on the output end of the second power source 221, a second driven gear 224 is sleeved on each conveying roller 21, and the second transmission connecting member 223 is wound around the second driving gear 222 and the second driven gear 224. In this embodiment, the second power source 221 is preferably a closed-loop stepping motor, and the second transmission member is preferably a transmission chain.

[0043] In one embodiment, the second drive assembly 22 further includes a tensioning member 225, the tensioning member 225 includes a support shaft and a tensioning gear, the tensioning gear is connected to the frame 1 through the support shaft, and the gear portion of the tensioning gear abuts against the second transmission connecting member 223. In this embodiment, the provision of the tensioning member 225 increases the stability of the operation of the second drive assembly 22.

[0044] In one embodiment, a support frame 6 is further included, and a guide mechanism 7 extending along the first direction is provided on the frame 1. The support frame 6 is mounted on the fixing seat 333 and slidably connected to the guide mechanism 7. The first stopper 31 and the second stopper 32 are respectively provided on one support frame 6. In this embodiment, the guide mechanism 7 can be a slide rail or a guide column. The number of the guide mechanisms 7 is preferably two, and the two guide mechanisms 7 are spaced apart along the second direction, so that the support frame 6 can slide more stably.

[0045] In one embodiment, a product in place sensing device 8 is further included. The product in place sensing device 8 is arranged on the frame 1 and is used to detect whether the workpiece has reached the clamping space 4. In this embodiment, there are multiple product in place sensing devices 8. Along the second direction (transportation direction), a product in place sensing device 8 is provided at the position of the head end and the position of the end of the clamping space 4 on the frame 1. The product in place sensing device 8 is suitable for being connected to a controller (PLC). When the product in place sensing device 8 senses that the workpiece has reached the clamping space 4, the controller controls the first drive component 33 to work so that the first limit member 31 and the second limit member 32 align the workpiece. When the product in place sensing device 8 senses that the workpiece has left the clamping space 4, the controller controls the second drive component 22 to stop working so that the product stops at the corresponding position.

[0046] In one embodiment, the first driving assembly 33 includes a first power source 331, a driving gear, a driven gear, a first screw, a second screw, a first guide seat and a second guide seat. A guide device extending in a first direction is provided on the frame 1. The shell of the first power source 331 is provided on the frame 1. The output shaft of the first power source 331 is set as a first screw and extends in the first direction. A driving gear is fixedly provided on the first screw. The second screw is arranged parallel to the first screw in the first direction. The driven gear is fixedly provided on the second screw, and the driven gear is meshed with the driving gear so that the first screw and the second screw rotate in opposite directions. The first guide seat is slidably provided on the first screw and the guide device, and the second guide seat is slidably provided on the second screw and the guide device. The first limit member 31 is provided on the first guide seat, and the second limit member 32 is provided on the second guide seat.

[0047] According to the alignment mechanism of this embodiment, after the workpiece is placed on the conveying assembly 2, the conveying assembly 2 transports the workpiece to the clamping space 4, and the first driving assembly 33 drives the first limiter 31 and the second limiter 32 to move toward each other, so that the first limiter 31 and the second limiter 32 are close to each other, and then the workpiece is pushed to the desired position. After the first limiter 31 and the second limiter 32 push the workpiece to the desired position, the first driving member drives the first limiter 31 and the second limiter 32 to move away from each other, so that the first limiter 31 and the second limiter 32 are separated from each other, and the corresponding clamping space 4 is reserved, so that the subsequent alignment work of other workpieces can be facilitated. In this embodiment, the transportation direction of the conveying assembly 2 is preferably perpendicular to the moving direction of the first limiter 31. In this embodiment, the alignment work is completed by driving two limiters by a driving source, which reduces the alignment cost. At the same time, this embodiment replaces manual work to move the workpiece to the desired position, reduces manual intervention, reduces costs, and improves the efficiency of placing workpieces.

[0048] In addition, an embodiment of the present invention provides a processing device, which is used for processing PCB boards and includes the alignment mechanism of the above embodiment.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning mechanism, characterized in that: It includes a frame, a conveying component and an alignment component; The conveying assembly and the aligning assembly are both arranged on the frame; The alignment component includes a first limit member, a second limit member and a first drive component; the first drive component is connected to the first limit member and the second limit member, and the first drive component is used to drive the first limit member and the second limit member to move in opposite directions at the same time; a clamping space for clamping the workpiece is formed between the first limit member and the second limit member, and the conveying component is used to deliver the workpiece to the clamping space.

2. The alignment mechanism according to claim 1, characterized in that: The first driving assembly includes a first power source, a first transmission connection, a plurality of fixed seats, a first driving gear and a first driven gear. The housing of the first power source is arranged on the frame, the first driving gear is installed on the output end of the first power source, the first driven gear and the first driving gear are spaced apart along a first direction, and the first transmission connection is wound around the first driving gear and the first driven gear; the plurality of fixed seats are installed on the first transmission connection, and the first limit member and the second limit member are respectively arranged on one of the fixed seats.

3. The alignment mechanism according to claim 2, characterized in that: The first transmission connecting member includes a first transmission section and a second transmission section that are connected, the first power source has a first side portion and a second side portion that are opposite, the first transmission section is located on the first side portion, and the second transmission section is located on the second side portion; a fixed seat is provided on each of the first transmission section and the second transmission section, wherein the first limiting member is connected to the fixed seat on the first transmission section, and the second limiting member is connected to the fixed seat on the second transmission section.

4. The alignment mechanism according to claim 1, characterized in that: The first limiting member includes a first side plate and a first elastic member, the second limiting member includes a second side plate and a second elastic member, the first side plate and the second side plate are spaced apart in a first direction and are connected to the frame through the first driving assembly, the first side plate is connected to the first elastic member on a side facing the second side plate, and the second side plate is connected to the second elastic member on a side facing the first side plate, and the first elastic member and the second elastic member are used to buffer the correction force of the first limiting member and the second limiting member on the workpiece.

5. The alignment mechanism according to claim 4, characterized in that: The first limiting member also includes a first contact member, and the second limiting member also includes a second contact member. The first contact member is connected to a side of the first elastic member facing the second side plate, and the second contact member is connected to a side of the second elastic member facing the first side plate. Both the first contact member and the second contact member are used to abut the workpiece.

6. The alignment mechanism according to claim 4, characterized in that: It also includes an elasticity measuring device, which is arranged on the first side plate and / or the second side plate and is used to detect the compression amount of the first elastic member and / or the second elastic member.

7. The alignment mechanism according to claim 5, characterized in that: The conveying assembly includes a plurality of conveying rollers and a second driving assembly, wherein the plurality of conveying rollers are arranged on the frame at intervals along a second direction perpendicular to the first direction, and the second driving assembly is used to drive the conveying rollers to rotate and convey the workpiece to the clamping space along the second direction; The first side plate and the second side plate are inserted into the gaps between the plurality of conveying rollers and are both connected to the first driving assembly; The shapes of one end of the first contact member and the second contact member close to the plurality of conveying rollers are adapted to the plurality of conveying rollers.

8. The alignment mechanism according to claim 7, characterized in that: The second driving assembly includes a second power source, a second driving gear, a second transmission connecting member and a second driven gear. The housing of the second power source is arranged on the frame, the second driving gear is installed on the output end of the second power source, each of the conveying rollers is provided with a second driven gear, and the second transmission connecting member is wound around the second driving gear and the second driven gear.

9. The alignment mechanism according to claim 8, characterized in that: The second driving assembly further includes a tensioning member, which includes a supporting shaft and a tensioning gear. The tensioning gear is connected to the frame via the supporting shaft, and a gear tooth portion of the tensioning gear abuts against the second transmission connecting member.

10. The alignment mechanism according to claim 2, characterized in that: It also includes a support frame, the frame is provided with a guide mechanism extending along the first direction, the support frame is installed on the fixing seat and slidably connected to the guide mechanism, and the first limiting member and the second limiting member are respectively provided on one of the support frames.

11. The alignment mechanism according to claim 1, characterized in that: It also includes a product arrival sensing device, which is arranged on the frame and is used to detect whether the workpiece has arrived at the clamping space.

12. The alignment mechanism according to claim 1, characterized in that: The first driving assembly includes a first power source, a driving gear, a driven gear, a first screw, a second screw, a first guide seat and a second guide seat. The frame is provided with a guide device extending along a first direction. The housing of the first power source is arranged on the frame. The output shaft of the first power source is arranged as the first screw and extends along the first direction. The driving gear is fixedly arranged on the first screw. The second screw is arranged parallel to the first screw in the first direction. The driven gear is fixedly arranged on the second screw, and the driven gear is meshed with the driving gear so that the first screw and the second screw rotate in opposite directions. The first guide seat is slidably arranged on the first screw and the guide device, and the second guide seat is slidably arranged on the second screw and the guide device. The first limiter is arranged on the first guide seat, and the second limiter is arranged on the second guide seat.

13. A processing device, used for processing PCB boards, characterized in that: It comprises the alignment mechanism described in any one of claims 1 to 9.

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