Workpiece moving, taking and placing mechanism

Abstract

The utility model discloses a work piece moving pick and place mechanism, including support subassembly, moving subassembly and work piece pick and place subassembly, the support subassembly includes first support, second support, stride the intermediate support of first support and second support, intermediate support both ends respectively with first support and second support slidable connection, the first support and the second support extend in the X direction, the middle support extends in the Y direction, and the moving assembly comprises an X-direction moving module and a Y-direction moving module with a second output end. The workpiece taking and placing assembly comprises a connecting plate detachably arranged at the second output end in the Z direction, a small steel sheet taking and placing assembly used for taking and placing small steel sheets and a large steel sheet taking and placing assembly used for taking and placing large steel sheets. The mechanism can accurately move in the X direction, the Y direction and the Z direction, large steel sheets and small steel sheets are taken through the small steel sheet taking and placing assembly and the large steel sheet taking and placing assembly respectively, the small steel sheets and the large steel sheets are prevented from being mixed up, the working efficiency is improved, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic production equipment, in particular to a workpiece moving and picking mechanism. Background Art

[0002] With the update and iteration of electronic products, the requirements for the product yield and production efficiency of electronic products are getting higher and higher. Different-sized steel sheets are required in electronic production. The large steel sheets and small steel sheets are carried on trays. The steel sheets need to be moved to different workstations for operations. In the prior art, manual picking of steel sheets to designated workstations is still adopted, resulting in low work efficiency. Moreover, the large steel sheets and small steel sheets are located in the same tray, and it is easy to pick the wrong one during picking, leading to the inability to continue subsequent operations, affecting the quality of electronic products and having a high rework rate. Therefore, a new technical solution is urgently needed to solve at least one of the above technical problems. Summary of the Invention

[0003] In view of the above deficiencies, the purpose of the utility model is to provide a workpiece moving and picking mechanism, which can move precisely in the X direction, Y direction, and Z direction, and pick and place large steel sheets and small steel sheets through a small steel sheet picking and placing component and a large steel sheet picking and placing component respectively, preventing confusion between small steel sheets and large steel sheets, improving work efficiency, and improving product quality.

[0004] In order to achieve the above technical purpose and meet the above technical requirements, the technical solution adopted by the utility model is as follows:

[0005] A workpiece moving and picking mechanism, characterized by comprising:

[0006] A support component, including a first bracket and a second bracket arranged oppositely, and an intermediate bracket straddling the first bracket and the second bracket. Both ends of the intermediate bracket are slidably connected to the first bracket and the second bracket respectively. The first bracket and the second bracket extend along the X direction, and the intermediate bracket extends along the Y direction;

[0007] A moving component, including an X-direction moving module with a first output end and a Y-direction moving module with a second output end. The X-direction moving module is detachably arranged on the upper side of the first bracket along the X direction, and the Y-direction moving module is detachably arranged on the intermediate bracket along the Y direction;

[0008] A workpiece picking and placing component, including a connecting plate detachably arranged on the second output end along the Z direction, a small steel sheet picking and placing component detachably arranged on the connecting plate for picking and placing small steel sheets, and a large steel sheet picking and placing component detachably arranged on the connecting plate for picking and placing large steel sheets.

[0009] As a preferred technical solution, the small steel sheet picking and placing assembly includes a first lifting cylinder with a first piston rod detachably arranged on the connecting plate along the Z direction, a first lifting plate detachably arranged on the lower side of the first piston rod, at least one first mounting plate detachably arranged on the lower side of the first lifting plate, and a plurality of first suction nozzles detachably arranged on the first mounting plate along the Z direction.

[0010] As a preferred technical solution, the large steel sheet picking and placing assembly includes a second lifting cylinder with a second piston rod detachably arranged on the connecting plate along the Z direction, a second lifting plate detachably arranged on the lower side of the second piston rod, at least one second mounting plate detachably arranged on the lower side of the second lifting plate, and a plurality of second suction nozzles detachably arranged on the second mounting plate along the Z direction. The first lifting plate is located above the second lifting plate, and the first mounting plate and the second mounting plate are arranged staggeredly.

[0011] As a preferred technical solution, a first lifting frame and a second lifting frame are slidably arranged on the connecting plate. The lower sides of the first lifting frame and the second lifting frame are detachably connected to the first lifting plate, and the first lifting cylinder is located between the first lifting frame and the second lifting frame.

[0012] As a preferred technical solution, a third lifting frame and a fourth lifting frame are slidably arranged on the connecting plate. The lower sides of the third lifting frame and the fourth lifting frame are detachably connected to the second lifting plate, and the second lifting cylinder is located between the third lifting frame and the fourth lifting frame.

[0013] As a preferred technical solution, a first mounting block is detachably arranged on the upper side of the first mounting plate, the first suction nozzle is detachably inserted into the first mounting block, a second mounting block is detachably arranged on the upper side of the second mounting plate, and the second suction nozzle is detachably inserted into the second mounting block.

[0014] As a preferred technical solution, the first mounting plate is provided with a first moving groove penetrating it along the Z direction. The first mounting plate is provided with two rows of first mounting holes, and the first mounting holes penetrate the first mounting plate along the Z direction. The first mounting block is provided with two first waist-shaped grooves, and the first waist-shaped grooves are arranged corresponding to the first mounting holes. The second mounting plate is provided with a second moving groove penetrating it along the Z direction. The second mounting plate is provided with two rows of second mounting holes, and the second mounting holes penetrate the second mounting plate along the Z direction. The second mounting block is provided with two second waist-shaped grooves, and the second waist-shaped grooves are arranged corresponding to the second mounting holes.

[0015] As a preferred technical solution, the intermediate bracket includes an intermediate plate arranged along the Y direction, a support frame and a support block respectively arranged at both ends of the lower side of the intermediate plate, the support frame is slidably connected with the first bracket, and the support block is slidably connected with the second bracket.

[0016] As a preferred technical solution, the connecting plate is detachably provided with first, second, third and fourth Z-direction guide rails along the Z direction, first, second, third and fourth Z-direction sliders are respectively arranged on one side of the first, second, third and fourth lifting frames facing the connecting plate, and the first, second, third and fourth Z-direction sliders are respectively slidably embedded in the first, second, third and fourth Z-direction sliders.

[0017] As a preferred technical solution, the upper side of the first bracket is detachably provided with a first X-direction guide rail and a second X-direction guide rail along the X direction, a first X-direction slider and a second X-direction slider are detachably arranged on one side of the support frame facing the first bracket, the upper side of the second bracket is detachably provided with a third X-direction guide rail along the X direction, and the first, second and third X-direction sliders are slidably embedded in the first, second and third X-direction guide rails.

[0018] Compared with the traditional technical solution, the beneficial effects of the present utility model are as follows:

[0019] 1). The X-direction moving module drives the intermediate bracket to move along the X direction, so that the workpiece picking and placing assembly moves in the X direction, and the Y-direction moving module drives the workpiece picking and placing assembly to move in the Y direction. The small steel sheet picking and placing assembly and the large steel sheet picking and placing assembly are used to pick and place large steel sheets and small steel sheets respectively, preventing the confusion of small steel sheets and large steel sheets, improving work efficiency and product quality;

[0020] 2). The first lifting cylinder drives the first lifting plate to lift, thereby driving the first suction nozzle to lift to pick and place small steel sheets, and the second lifting cylinder drives the second lifting plate to lift, thereby driving the second suction nozzle to lift to pick and place large steel sheets. The first mounting plate and the second mounting plate are arranged staggeredly, so that small steel sheets and large steel sheets will not be confused during suction;

[0021] 3). The first lifting frame, the second lifting frame, the third lifting frame and the fourth lifting frame improve the stability of the lifting process;

[0022] 4). The first mounting block and the second mounting block can adjust the position, thereby adjusting the positions of the first suction nozzle and the second suction nozzle, and can be adjusted according to the position of the steel sheet, with a wider application range;

[0023] 5). The cooperation of the guide rail and the slider makes the moving process more stable. Description of the Drawings

[0024] Figure 1Structural diagram of the mechanism provided by an embodiment of the present utility model;

[0025] Figure 2 is Figure 1 a view from another direction of;

[0026] Figure 3 Structural diagram of the workpiece picking and placing assembly provided by an embodiment of the present utility model;

[0027] In Figures 1 - 3 : 1. First support; 2. Second support; 3. Intermediate support; 301. Intermediate plate; 302. Support frame; 303. Support block; 304. Support plate; 4. X-direction moving module; 5. Y-direction moving module; 501. Second output end; 6. Connecting plate; 7. Small steel sheet picking and placing assembly; 701. First lifting cylinder; 7011. First piston rod; 702. First lifting plate; 703. First lifting frame; 704. First mounting plate; 7041. First moving groove; 7042. First mounting hole; 705. First suction nozzle; 706. First mounting block; 7061. First waist-shaped groove; 707. Second lifting frame; 8. Large steel sheet picking and placing assembly; 801. Second lifting cylinder; 8011. Second piston rod; 802. Second lifting plate; 803. Third lifting frame; 804. Second mounting plate; 8041. Second moving groove; 8042. Second mounting hole; 805. Second suction nozzle; 806. Second mounting block; 8061. Second waist-shaped groove; 807. Fourth lifting frame; 9. First Z-direction guide rail; 10. First Z-direction slider; 11. Second Z-direction guide rail; 12. Second Z-direction slider; 13. Third Z-direction guide rail; 14. Third Z-direction slider; 15. Fourth Z-direction guide rail; 16. Fourth Z-direction slider; 17. First X-direction guide rail; 18. First X-direction slider; 19. Second X-direction guide rail; 20. Second X-direction slider; 21. Third X-direction guide rail; 22. Third X-direction slider. Detailed implementation manners

[0028] The present utility model will be further described below with reference to the accompanying drawings.

[0029] In the drawings of the embodiments of the present utility model, the same or similar reference numerals correspond to the same or similar components; in the description of the present utility model, it should be understood that if terms such as "top", "bottom", "left", "right", "front", "rear", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be construed as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0030] Please refer to Figures 1 - 3 , a workpiece moving and picking mechanism provided by an embodiment of the present utility model includes a support assembly, a moving assembly, and a workpiece picking and placing assembly 7. The support assembly includes a first bracket 1 and a second bracket 2 arranged oppositely, and an intermediate bracket 3 spanning the first bracket 1 and the second bracket 2. Both ends of the intermediate bracket 3 are slidably connected to the first bracket 1 and the second bracket 2 respectively. The first bracket 1 and the second bracket 2 extend along the X direction, and the intermediate bracket 3 extends along the Y direction. The moving assembly includes an X-direction moving module 4 with a first output end (not marked) and a Y-direction moving module 5 with a second output end 501. The X-direction moving module 4 is detachably arranged on the upper side of the first bracket 1 along the X direction, and the Y-direction moving module 5 is detachably arranged on the intermediate bracket 3 along the Y direction. The workpiece picking and placing assembly 7 includes a connecting plate 6 detachably arranged on the second output end 501 along the Z direction, a small steel sheet picking and placing component 7 detachably arranged on the connecting plate 6 for picking and placing small steel sheets, and a large steel sheet picking and placing component 8 detachably arranged on the connecting plate 6 for picking and placing large steel sheets. The X-direction moving module 4 drives the intermediate bracket 3 to move along the X direction, so that the workpiece picking and placing assembly 7 moves in the X direction. The Y-direction moving module 5 drives the workpiece picking and placing assembly 7 to move in the Y direction. The small steel sheet picking and placing component 7 and the large steel sheet picking and placing component 8 are used to pick and place large steel sheets and small steel sheets respectively, preventing the confusion of small steel sheets and large steel sheets, improving work efficiency, and improving product quality.

[0031] As Figures 1 - 3 shown, the small steel sheet picking and placing component 7 includes a first lifting cylinder 701 with a first piston rod 7011 detachably arranged on the connecting plate 6 along the Z direction, a first lifting plate 702 detachably arranged on the lower side of the first piston rod 7011, at least one first mounting plate 704 detachably arranged on the lower side of the first lifting plate 702, and a plurality of first suction nozzles 705 detachably arranged on the first mounting plate 704 along the Z direction. The first lifting cylinder 701 drives the first piston rod 7011 to move, and the first piston rod 7011 drives the first lifting plate 702 to lift, thereby indirectly driving the first suction nozzles 705 to lift. The first suction nozzles 705 lift to pick and place small steel sheets.

[0032] As Figures 1 - 3As shown in the figure, the large steel sheet picking and placing assembly 8 includes a second lifting cylinder 801 with a second piston rod 8011 detachably arranged on the connecting plate 6 along the Z direction, a second lifting plate 802 detachably arranged on the lower side of the second piston rod 8011, at least one second mounting plate 804 detachably arranged on the lower side of the second lifting plate 802, and a plurality of second suction nozzles 805 detachably arranged on the second mounting plate 804 along the Z direction. The length of the first suction nozzle 705 is greater than that of the second suction nozzle 805. The first mounting plate 704 and the second mounting plate 804 extend along the X direction. The second lifting cylinder 801 drives the second lifting plate 802 to lift and lower, thereby driving the second suction nozzle 805 to lift and lower to pick and place the large steel sheet. The first lifting plate 702 is located above the second lifting plate 802, so that the structure is more compact and it is convenient to pick and place small steel sheets and large steel sheets on the carrier plate at the same time. The first mounting plate 704 and the second mounting plate 804 are arranged staggeredly, so that small steel sheets and large steel sheets will not be confused during suction.

[0033] As Figures 1 - 3 shown in the figure, the connecting plate 6 is slidably provided with a first lifting frame 703 and a second lifting frame 707. The lower sides of the first lifting frame 703 and the second lifting frame 707 are detachably connected to the first lifting plate 702. The first lifting cylinder 701 is located between the first lifting frame 703 and the second lifting frame 707. The connecting plate 6 is slidably provided with a third lifting frame 803 and a fourth lifting frame 807. The lower sides of the third lifting frame 803 and the fourth lifting frame 807 are detachably connected to the second lifting plate 802. The second lifting cylinder 801 is located between the third lifting frame 803 and the fourth lifting frame 807. The first lifting frame 703, the second lifting frame 707, the third lifting frame 803 and the fourth lifting frame 807 improve the stability of the lifting process.

[0034] As Figures 1 - 3As shown, a first mounting block 706 is detachably arranged on the upper side of the first mounting plate 704, and a first suction nozzle 705 is detachably inserted into the first mounting block 706. A second mounting block 806 is detachably arranged on the upper side of the second mounting plate 804, and a second suction nozzle 805 is detachably inserted into the second mounting block 806. Further, the first mounting plate 704 is provided with a first moving groove 7041 penetrating it along the Z direction, the first mounting plate 704 is provided with two rows of first mounting holes 7042, the first mounting holes 7042 penetrate the first mounting plate 704 along the Z direction, the first mounting block 706 is provided with two first waist-shaped grooves 7061, and the first waist-shaped grooves 7061 are arranged corresponding to the first mounting holes 7042. The second mounting plate 804 is provided with a second moving groove 8041 penetrating it along the Z direction, the second mounting plate 804 is provided with two rows of second mounting holes 8042, the second mounting holes 8042 penetrate the second mounting plate 804 along the Z direction, the second mounting block 806 is provided with two second waist-shaped grooves 8061, and the second waist-shaped grooves 8061 are arranged corresponding to the second mounting holes 8042. The first waist-shaped groove 7061 corresponds to the first mounting hole 7042, and the second waist-shaped groove 8061 corresponds to the second mounting hole 8042. The positions can be adjusted, so as to adjust the positions of the first suction nozzle 705 and the second suction nozzle 805, and make adjustments according to the position of the steel sheet, with a wider application range.

[0035] As Figures 1 - 3 shown, the middle bracket 3 includes a middle plate 301 arranged along the Y direction, support frames 302 and support blocks 303 respectively arranged at both ends of the lower side of the middle plate 301, and a support plate 304 vertically arranged on the upper side of the middle plate 301. The support frame 302 is detachably connected to the first output end, the support frame 302 is slidably connected to the first bracket 1, the support block 303 is slidably connected to the second bracket 2, and the Y-direction moving module 5 is detachably arranged on the support plate 304, with a simple structure and good support performance.

[0036] As Figures 1 - 3 shown, the connecting plate 6 is detachably provided with a first Z-direction guide rail 9, a second Z-direction guide rail 11, a third Z-direction guide rail 13 and a fourth Z-direction guide rail 15 along the Z direction. On the side of the first lifting frame 703, the second lifting frame 707, the third lifting frame 803 and the fourth lifting frame 807 facing the connecting plate 6, a first Z-direction slider 10, a second Z-direction slider 12, a third Z-direction slider 14 and a fourth Z-direction slider 16 are respectively arranged. The first Z-direction slider 10, the second Z-direction slider 12, the third Z-direction slider 14 and the fourth Z-direction slider 16 are respectively slidably embedded in the first Z-direction slider 10, the second Z-direction slider 12, the third Z-direction slider 14 and the fourth Z-direction slider 16, improving the lifting stability of the first lifting plate 702 and the second lifting plate 802 in the Z direction.

[0037] As Figures 1 - 3As shown, a first X-direction guide rail 17 and a second X-direction guide rail 19 are detachably arranged along the X direction on the upper side of the first support 1. A first X-direction slider 18 and a second X-direction slider 20 are detachably arranged on the side of the support frame 302 facing the first support 1. A third X-direction guide rail 21 is detachably arranged along the X direction on the upper side of the second support 2. The first X-direction slider 18, the second X-direction slider 20 and the third X-direction slider 22 are slidably embedded in the first X-direction guide rail 17, the second X-direction guide rail 19 and the third X-direction guide rail 21, improving the moving stability of the lifting intermediate support 3 in the X direction.

[0038] Any numerical values cited in this document include all values from the lower limit value to the upper limit value increasing by one unit at a time. There is at least a two-unit interval between any lower value and any higher value. For example, if the value of the number of components or process variables (such as temperature, pressure, time, etc.) is stated to be from 1 to 90, preferably from 20 to 80, more preferably from 30 to 70, the purpose is to illustrate that values such as 15 to 85, 22 to 68, 43 to 51, 30 to 32, etc. are also explicitly listed in this specification. For values less than 1, a unit is appropriately considered to be 0.0001, 0.001, 0.01, 0.1. These are just examples of what is intended to be clearly expressed, and it can be considered that all possible combinations of the numerical values listed between the lowest value and the highest value are explicitly stated in this specification in a similar manner.

[0039] Unless otherwise stated, all ranges include the endpoints and all numbers between the endpoints. The "about" or "approximate" used with a range applies to both endpoints of the range. Thus, "about 20 to 30" is intended to cover "about 20 to about 30", including at least the specified endpoints.

[0040] All articles and references disclosed, including patent applications and publications, are incorporated herein by reference for various purposes. The term "consisting essentially of" describing a combination should include the identified elements, components, parts or steps and other elements, components, parts or steps that do not substantially affect the basic novel features of the combination. Using the terms "comprising" or "including" to describe the combination of elements, components, parts or steps herein also contemplates embodiments consisting essentially of these elements, components, parts or steps. By using the term "may" herein, it is intended to indicate that any attribute described as "may" included is optional.

[0041] Multiple elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step can be divided into separate multiple elements, components, parts or steps. The disclosure of "a" or "an" used to describe an element, component, part or step does not mean to exclude other elements, components, parts or steps.

[0042] It should be understood that the above description is for illustrative purposes and not for limitation. By reading the above description, many embodiments and many applications beyond the provided examples will be apparent to those skilled in the art. Therefore, the scope of the present teachings should not be determined with reference to the above description, but rather should be determined with reference to the appended claims and the full scope of equivalents to which these claims are entitled. For the sake of completeness, all articles and references, including patent applications and published announcements, are incorporated herein by reference. The omission of any aspect of the subject matter disclosed herein in the foregoing claims is not intended to abandon such subject matter, nor should it be considered that the inventor has not considered such subject matter to be part of the disclosed utility model subject matter.

Claims

1. A workpiece moving and placing mechanism, characterized in that: include: A support assembly, comprising a first bracket and a second bracket arranged opposite to each other, and an intermediate bracket arranged across the first bracket and the second bracket, wherein two ends of the intermediate bracket are slidably connected to the first bracket and the second bracket respectively, the first bracket and the second bracket extend along the X direction, and the intermediate bracket extends along the Y direction; A moving assembly, comprising an X-direction moving module having a first output end and a Y-direction moving module having a second output end, wherein the X-direction moving module is detachably arranged on the upper side of the first bracket along the X direction, and the Y-direction moving module is detachably arranged on the intermediate bracket along the Y direction; The workpiece picking and placing assembly includes a connecting plate detachably arranged on the second output end along the Z direction, a small steel sheet picking and placing assembly detachably arranged on the connecting plate for picking and placing small steel sheets, and a large steel sheet picking and placing assembly detachably arranged on the connecting plate for picking and placing large steel sheets.

2. The workpiece moving and placing mechanism according to claim 1, characterized in that: The small steel sheet picking and placing assembly includes a first lifting cylinder with a first piston rod which is detachably arranged on the connecting plate along the Z direction, a first lifting plate which is detachably arranged on the lower side of the first piston rod, at least one first mounting plate which is detachably arranged on the lower side of the first lifting plate, and a plurality of first suction nozzles which are detachably arranged on the first mounting plate along the Z direction.

3. The workpiece moving and placing mechanism according to claim 2, characterized in that: The large steel sheet picking and placing assembly includes a second lifting cylinder with a second piston rod which is detachably arranged on the connecting plate along the Z direction, a second lifting plate which is detachably arranged on the lower side of the second piston rod, at least one second mounting plate which is detachably arranged on the lower side of the second lifting plate, and a plurality of second suction nozzles which are detachably arranged on the second mounting plate along the Z direction, the first lifting plate is located above the second lifting plate, and the first mounting plate and the second mounting plate are staggered.

4. The workpiece moving and placing mechanism according to claim 3 is characterized in that: The connecting plate is slidably provided with a first lifting frame and a second lifting frame, the lower sides of the first lifting frame and the second lifting frame are detachably connected to the first lifting plate, and the first lifting cylinder is located between the first lifting frame and the second lifting frame.

5. The workpiece moving and placing mechanism according to claim 4, characterized in that: The connecting plate is slidably provided with a third lifting frame and a fourth lifting frame, the lower sides of the third lifting frame and the fourth lifting frame are detachably connected to the second lifting plate, and the second lifting cylinder is located between the third lifting frame and the fourth lifting frame.

6. The workpiece moving and placing mechanism according to claim 3, characterized in that: A first mounting block is detachably provided on the upper side of the first mounting plate, and the first suction nozzle is detachably inserted in the first mounting block. A second mounting block is detachably provided on the upper side of the second mounting plate, and the second suction nozzle is detachably inserted in the second mounting block.

7. The workpiece moving and placing mechanism according to claim 6, characterized in that: The first mounting plate is provided with a first movable groove penetrating therethrough along the Z direction, the first mounting plate is provided with two rows of first mounting holes, the first mounting holes penetrating the first mounting plate along the Z direction, the first mounting block is provided with two first waist-shaped grooves, the first waist-shaped grooves are arranged corresponding to the first mounting holes, the second mounting plate is provided with a second movable groove penetrating therethrough along the Z direction, the second mounting plate is provided with two rows of second mounting holes, the second mounting holes penetrating the second mounting plate along the Z direction, the second mounting block is provided with two second waist-shaped grooves, the second waist-shaped grooves are arranged corresponding to the second mounting holes.

8. The workpiece moving and placing mechanism according to claim 1, characterized in that: The intermediate bracket includes an intermediate plate arranged along the Y direction, a support frame and a support block respectively arranged at both ends of the lower side of the intermediate plate, the support frame is slidably connected to the first bracket, and the support block is slidably connected to the second bracket.

9. The workpiece moving and placing mechanism according to claim 3, characterized in that: The connecting plate is detachably provided with the first, second, third and fourth Z-guide rails along the Z-direction, and the first, second, third and fourth lifting frames are respectively provided with the first, second, third and fourth Z-direction sliders on the side facing the connecting plate, and the first, second, third and fourth Z-direction sliders are respectively slidably embedded in the first, second, third and fourth Z-direction sliders.

10. The workpiece moving and placing mechanism according to claim 8, characterized in that: The first bracket is provided with a first X-direction guide rail and a second X-direction guide rail detachably disposed on the upper side along the X-direction, the first X-direction slider and the second X-direction slider detachably disposed on the side of the support frame facing the first bracket, the second bracket is provided with a third X-direction guide rail detachably disposed on the upper side along the X-direction, and the first, second and third X-direction sliders are slidably embedded in the first, second and third X-direction guide rails.

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