Conveying device and laser processing equipment

Abstract

The utility model provides a conveying device and laser processing equipment. The conveying device comprises a rack, a motor, a transmission assembly and a conveying belt, a containing space is formed in the rack, and the motor is arranged on the rack and located in the containing space. The transmission assembly is arranged on the rack and located in the containing space. And the motor is in transmission connection with the transmission assembly, so that the transmission assembly can rotate relative to the rack under the driving of the motor. The conveying belt is wound around the transmission assembly which can drive the conveying belt to move. The motor is arranged in the containing space, the size brought by the motor can be reduced, and the built-in motor cannot interfere with operation of other devices.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser processing technical field, especially relate to a conveying device and laser processing equipment. BACKGROUND

[0002] The application range of the conveying belt is wide, and it is mainly used in traditional industries, such as industrial assembly line, logistics transportation, packaging industry and the like. In the related art, the conveying belt can be utilized to assist in improving the efficiency of laser processing, and the motor is externally arranged on the conveying belt, so that the volume of the whole conveying belt is relatively large, and the externally arranged motor is easy to interfere with the operation of other devices. UTILITY MODEL CONTENT

[0003] One purpose of the utility model is to solve the technical problem that the motor is externally arranged on the conveying belt in the prior art, so that the volume of the whole conveying belt is increased and the movement of other devices is interfered.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a conveying device is used for laser processing equipment, and the conveying device comprises a rack, a motor, a transmission assembly and a conveying belt; a containing space is formed in the rack; the motor is arranged on the rack and accommodated in the containing space; the transmission assembly is rotationally arranged in the rack and located in the containing space, and is in transmission connection with the motor, so that the transmission assembly can rotate relative to the rack under the driving of the motor; the conveying belt is arranged around the transmission assembly, and the transmission assembly can drive the conveying belt to move.

[0005] In some embodiments, the transmission assembly comprises a driving roller and a driven roller, the driving roller is rotationally arranged at one end in the length direction of the rack, the motor is in driving connection with the driving roller, the driven roller is rotationally arranged at the other end in the length direction of the rack, and the conveying belt is arranged around the driving roller and the driven roller.

[0006] In some embodiments, the transmission assembly further comprises a first adjusting assembly, the first adjusting assembly is arranged on the rack and connected with the driven roller, the first adjusting assembly can drive the driven roller to move relative to the rack, so as to adjust the relative distance between the driven roller and the driving roller.

[0007] In some embodiments, the first adjusting assembly comprises a first adjusting member and a second adjusting member, the first adjusting member and the second adjusting member are respectively arranged on two sides of the frame, one end of the driven roller is connected with the first adjusting member, the other end of the driven roller is connected with the second adjusting member, the first adjusting member can drive the one end of the driven roller to move relative to the frame to adjust the relative distance between the one end of the driven roller and the driving roller, and the second adjusting member can drive the other end of the driven roller to move relative to the frame to adjust the relative distance between the other end of the driven roller and the driving roller.

[0008] In some embodiments, the conveying device further comprises a first synchronous wheel, a second synchronous wheel and a synchronous belt, the first synchronous wheel is connected with the motor shaft of the motor, the second synchronous wheel is connected with the driving roller, and the synchronous belt is wound around the first synchronous wheel and the second synchronous wheel.

[0009] In some embodiments, the diameter of the first synchronous wheel is smaller than the diameter of the second synchronous wheel.

[0010] In some embodiments, the conveying device further comprises a second adjusting assembly and a motor mounting seat, the second adjusting assembly is arranged on the frame and connected with the motor mounting seat, the motor mounting seat is mounted on the frame, the motor is mounted on the motor mounting seat, and the second adjusting assembly can drive the motor mounting seat to move relative to the frame to adjust the relative distance between the first synchronous wheel and the second synchronous wheel to tension the synchronous belt.

[0011] In some embodiments, the surface of the driving roller is provided with anti-skid lines.

[0012] In some embodiments, the frame comprises a first cover, a second cover and a connecting assembly, the first cover and the second cover are arranged opposite to each other along the width direction of the conveying belt, one end of the connecting assembly is connected with the first cover and the other end is connected with the second cover, the interval between the first cover and the second cover forms the accommodation space, and the motor is arranged on the first cover or the second cover.

[0013] In some embodiments, the frame further comprises a first limiting part arranged at two ends of the first cover and a second limiting part arranged at two ends of the second cover, the first limiting part and the second limiting part are respectively located on two sides of the width direction of the conveying belt to jointly limit the movement of the conveying belt along the length direction of itself.

[0014] In some embodiments, the first limiting part is a first decorative cover connected to the end of the first cover body, and the first decorative cover is capable of abutting against one side of the width direction of the conveying belt; and / or the second limiting part is a second decorative cover connected to the end of the second cover body, and the second decorative cover is capable of abutting against the other side of the width direction of the conveying belt.

[0015] In some embodiments, the conveying device further comprises a first limiting wheel and a second limiting wheel, the first limiting wheel is rotatably arranged at the end of the first cover body, and the first limiting wheel is capable of abutting against one side of the width direction of the conveying belt; the second limiting wheel is rotatably arranged at the end of the second cover body, and the second limiting wheel abuts against the other side of the width direction of the conveying belt.

[0016] In some embodiments, the conveying device further comprises a support plate arranged on the rack, and the support plate is used for supporting the conveying belt located at the upper portion.

[0017] In some embodiments, the conveying device further comprises a plurality of foot supports, and the plurality of foot supports are respectively arranged at the bottom of the rack, at least one of the foot supports is slidingly arranged along the height direction of the rack to adjust the height of the corresponding position of the rack.

[0018] The application also provides a laser processing equipment, comprising a base, a support frame, a processing head and the conveying device as claimed in any one of the preceding claims, the support frame is connected to the base, the processing head is connected to the support frame and is used for laser processing of a workpiece, and the rack of the conveying device is connected to the base, and the conveying device is used for transporting an object.

[0019] In some embodiments, the laser processing equipment further comprises a height adjusting assembly, the height adjusting assembly is respectively connected to the conveying device and the base, and the height adjusting assembly is capable of adjusting the height of the conveying device relative to the base.

[0020] From the above technical solutions, the application has at least the following advantages and positive effects:

[0021] In the application, the motor driving transmission assembly rotates relative to the rack, and the transmission assembly drives the conveying belt to reciprocate relative to the rack. The rack has a containing space, and the motor is located in the containing space. The motor is built-in in the containing space, which can reduce the volume of the motor, and the built-in motor does not interfere with the operation of other devices. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of a conveying device in the embodiment of the application.

[0023] Figure 2is an exploded view of the conveying device in the embodiment of the utility model.

[0024] Figure 3 is Figure 2 is an enlarged view of A in the figure.

[0025] Figure 4 is a structural schematic view of the conveying device hiding the conveying belt in the embodiment of the utility model.

[0026] Figure 5 is a structural schematic view of the driven roller in the embodiment of the utility model.

[0027] Figure 6 is a structural schematic view of the conveying device in another embodiment of the utility model.

[0028] Figure 7 is Figure 6 is an enlarged view of B in the figure.

[0029] The following is the explanation of the reference signs:

[0030] 10, conveying device; 20, height adjusting assembly; 21, connecting seat; 22, adjusting plate; 100, rack; 110, first cover body; 111, first limiting part; 112, first limiting wheel; 120, second cover body; 121, second limiting part; 122, second limiting wheel; 130, connecting assembly; 131, first connecting cross beam; 132, second connecting cross beam; 200, motor; 210, first synchronous wheel; 220, second synchronous wheel; 230, synchronous belt; 240, motor mounting seat; 250, second adjusting assembly; 300, transmission assembly; 310, driving roller; 320, driven roller; 321, driven roller shaft; 400, conveying belt; 500, supporting plate; 600, first adjusting assembly; 610, first adjusting piece; 620, second adjusting piece; 700, foot stand; 800, circuit board. DETAILED DESCRIPTION

[0031] The typical embodiments embodying the features and advantages of the utility model will be described in detail in the following description. It should be understood that the utility model can have various changes on different embodiments, which all do not deviate from the scope of the utility model, and the description and illustration in the essence are used as the description, rather than to limit the utility model.

[0032] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0033] like Figure 1 As shown, in some embodiments, the laser processing equipment provided in this application includes a base, a conveying device 10, a support frame, and a processing head. The base is connected to the frame 100 of the conveying device 10. One end of the support frame is connected to the processing head, and the other end is connected to the base. The processing head is disposed opposite to the base. The processing head can engrave the workpiece to be processed on the conveying device 10. That is, the conveying device 10 is applied to the field of laser engraving. The conveying device 10 can drive the workpiece to be processed to move. The processing head engraves the workpiece moving on the conveying device 10, which can realize the engraving of large-format objects as well as the batch engraving of small objects, thereby improving the scope of application of engraving and improving processing efficiency.

[0034] Please see Figure 1 and Figure 2 In some embodiments, the laser processing equipment further includes a height adjustment component 20. The height adjustment component 20 is connected to both the conveying device 10 and the base. The height adjustment component 20 can adjust the height of the conveying device 10 relative to the base, thereby adjusting the height of the workpiece to be processed and the processing head on the conveying device 10, so that the workpiece to be processed and the processing head are at a suitable height, facilitating the processing head to process and engrave the workpiece.

[0035] The height adjustment assembly 20 includes a connecting base 21 and an adjusting plate 22. The connecting base 21 is fixedly disposed at the bottom of the frame 100, and the adjusting plate 22 is slidably disposed on the outside of the connecting base 21 and connected to the base. The adjusting plate 22 can slide vertically relative to the connecting base 21. In some embodiments, the adjusting plate 22 has an elongated through hole, and the adjusting plate 22 is slidably disposed on the outside of the connecting base 21 by screws passing through the elongated through hole. In some embodiments, the adjusting plate 22 can be an L-shaped plate.

[0036] Referring to Figure 1 and Figure 2 In some embodiments, the conveying device 10 provided by the present application comprises a frame 100, a motor 200, a transmission assembly 300 and a conveying belt 400. In some embodiments, the motor 200 can be, but is not limited to, a stepper motor, a servo motor, etc. In some embodiments, the frame 100 can be made of aluminum profile, which not only meets the strength requirement, but also reduces the weight of the frame 100.

[0037] In some embodiments, the motor 200 is arranged on the frame 100. The frame 100 is formed with a receiving space. The motor 200 is received in the receiving space. The transmission assembly 300 is rotatably arranged on the frame 100. The motor 200 is drivingly connected with the transmission assembly 300 to drive the transmission assembly 300 to rotate relative to the frame 100. The conveying belt 400 is arranged around the transmission assembly 300. The transmission assembly 300 can drive the conveying belt 400 to move. The motor 200 is built-in in the receiving space. The motor 200 has a small volume, so that the built-in motor 200 can avoid interfering with the operation of other devices.

[0038] Referring to Figure 2 and Figure 4 In some embodiments, the frame 100 comprises a first cover 110, a second cover 120 and a connecting assembly 130. The first cover 110 and the second cover 120 are arranged opposite to each other. One end of the connecting assembly 130 is connected with the first cover 110, and the other end of the connecting assembly 130 is connected with the second cover 120. The transmission assembly 300 is rotatably arranged between the first cover 110 and the second cover 120. The space between the first cover 110 and the second cover 120 forms a receiving space. The motor 200 is arranged on the first cover 110 or the second cover 120 and located in the receiving space.

[0039] Referring to Figure 4 In some embodiments, the connecting assembly 130 comprises a first connecting beam 131 and a second connecting beam 132. The first connecting beam 131 and the second connecting beam 132 are arranged opposite to each other. The first connecting beam 131 and the second connecting beam 132 are both connected between the first cover 110 and the second cover 120.

[0040] In some embodiments, the first cover 110 is provided with a first limiting part 111 at each end. The second cover 120 is provided with a second limiting part 121 at each end. The first limiting part 111 and the corresponding second limiting part 121 are located at both sides of the conveying belt 400 in the width direction of the conveying belt 400 to jointly limit the movement of the conveying belt 400 along the length direction of the conveying belt 400.

[0041] Meanwhile, the conveying belt 400 may deviate during use. By setting the first limiting part 111 and the second limiting part 121, the movement of the conveying belt 400 along the length direction of the conveying belt 400 is limited. That is, the conveying belt 400 always moves on the transmission assembly 300, avoiding deviation of the conveying belt 400.

[0042] In some embodiments, the first limiting part 111 is a first decorative cover connected to the end of the first cover body 110, which can abut one side of the conveying belt 400 in the width direction. The first decorative cover decorates both ends of the first cover body 110, beautifying the first cover body 110.

[0043] In some embodiments, the first decorative cover is detachably connected to the first cover body 110, facilitating the installation and removal of the first decorative cover and the first cover body 110. For example, the first decorative cover and the first cover body 110 are snap-connected, fastener-connected, etc.

[0044] In some embodiments, the first decorative cover is movably connected to the first cover body 110. For example, the first decorative cover is rotationally connected to the first cover body 110.

[0045] In some embodiments, referring to Figure 6 and Figure 7 , the conveying device 10 further comprises a first limiting wheel 112. The first limiting wheel 112 is rotationally arranged at the end of the first cover body 110. The first limiting wheel 112 can abut one side of the conveying belt 400 in the width direction.

[0046] In related technologies, the conveying belt 400 abuts the limiting structure, and the conveying belt 400 and the limiting structure have sliding friction, which generates a large friction force, hindering the movement of the conveying belt 400. The first limiting wheel 112 can act as a transmission for the conveying belt 400. The first limiting wheel 112 and the conveying belt 400 have rolling friction, thereby reducing the friction between the conveying belt 400 and the first cover body 110.

[0047] It should be noted that the first limiting wheel 112 is adjustable relative to the width direction of the conveying belt 400, thereby adjusting the relative position between the first limiting wheel 112 and the conveying belt 400.

[0048] In some embodiments, the first limiting wheel 112 is provided in multiple numbers. The multiple first limiting wheels 112 are arranged at both ends of the first cover body 110, respectively. For example, two first limiting wheels 112 are arranged at both ends of the first cover body 110, respectively.

[0049] In some embodiments, the second limiting part 121 is a second decorative cover connected to the end of the second cover body 120, which can abut the other side of the conveying belt 400 in the width direction. The second decorative cover decorates both ends of the second cover body 120, beautifying the second cover body 120.

[0050] In some embodiments, the second decorative cover is detachably connected with the second cover body 120, facilitating the installation and dismounting of the second decorative cover with the second cover body 120. For example, the second decorative cover is snap-connected, fastener-connected, or the like with the second cover body 120. In some embodiments, the second decorative cover is movably connected with the second cover body 120. For example, the second decorative cover is rotationally connected with the second cover body 120.

[0051] In some embodiments, referring to Figure 6 , the conveying device 10 further comprises a second limiting wheel 122. The second limiting wheel 122 is rotationally arranged at an end of the second cover body 120. The second limiting wheel 122 is capable of abutting against the other side of the conveying belt 400 in the width direction. The second limiting wheel 122 is capable of playing a transmission role to the conveying belt 400. The second limiting wheel 122 and the conveying belt 400 have rolling friction, thereby reducing the friction between the conveying belt 400 and the second cover body 120.

[0052] In some embodiments, the second limiting wheel 122 is provided in plurality. The plurality of second limiting wheels 122 are respectively arranged at two ends of the second cover body 120. For example, one second limiting wheel 122 is arranged at each of the two ends of the second cover body 120.

[0053] In some embodiments, referring to Figure 2 , the conveying device 10 further comprises a support plate 500. The support plate 500 is arranged on the rack 100. The rack 100 has an upper portion, and the support plate 500 is used to support the conveying belt 400 located at the upper portion. The workpiece to be processed has a certain weight, and when the workpiece to be processed is placed on the conveying belt 400, the conveying belt 400 will bear the load. The support plate 500 is capable of supporting the conveying belt 400 located at the upper portion, so that the conveying belt 400 stably conveys the workpiece to be processed.

[0054] In some embodiments, the transmission assembly 300 comprises a driving roller 310 and a driven roller 320. The driving roller 310 is rotationally arranged at one end of the rack 100, and the motor 200 is drivingly connected with the driving roller 310. The driven roller 320 is rotationally arranged at the other end of the rack 100. The conveying belt 400 is arranged around the driving roller 310 and the driven roller 320. In operation, the motor 200 drives the driving roller 310 to rotate, and the driving roller 310 drives the conveying belt 400 to move.

[0055] In some embodiments, the surface of the driving roller 310 is provided with anti-skid lines, so as to increase the friction between the driving roller 310 and the conveying belt 400, and prevent the conveying belt 400 from sliding along the axial direction of the driving roller 310. In some embodiments, the anti-skid lines can be grid knurling, protrusions, or the like.

[0056] In some embodiments, the two sides of the driving roller 310 are equipped with bearings. The outer rings of the two bearings are equipped in the round holes of the first cover 110 and the second cover 120.

[0057] In some embodiments, referring to Figure 5 , the transmission assembly 300 further comprises a first adjusting assembly 600, which is arranged on the frame 100 and connected with the driven roller 320. The first adjusting assembly 600 can drive the driven roller 320 to move relative to the frame 100, thereby adjusting the relative distance between the driven roller 320 and the driving roller 310 to adjust the tightness of the conveying belt 400.

[0058] The first adjusting assembly 600 comprises a first adjusting member 610 and a second adjusting member 620. The first adjusting member 610 and the second adjusting member 620 are arranged on the two sides of the frame 100 respectively. One end of the driven roller 320 is connected with the first adjusting member 610, and the other end of the driven roller 320 is connected with the second adjusting member 620. The first adjusting member 610 can drive one end of the driven roller 320 to move relative to the frame 100, thereby adjusting the relative distance between one end of the driven roller 320 and the driving roller 310. The second adjusting member 620 can drive the other end of the driven roller 320 to move relative to the frame 100, thereby adjusting the relative distance between the other end of the driven roller 320 and the driving roller 310.

[0059] In some embodiments, the first adjusting member 610 is a first adjusting screw, and the second adjusting member 620 is a second adjusting screw. The driven roller 320 has a driven roller shaft 320, and the two ends of the driven roller shaft 320 are equipped with bearings. The outer sides of the bearings are fixed with circlips. The two ends of the driven roller shaft 320 are arranged in the long slot of the first cover 110 and the second cover 120. Threaded holes are formed in the two ends of the driven roller shaft 320. The first adjusting screw is threaded through the first cover 110 and threadedly cooperates with the threaded hole in one end of the driven roller shaft 320. The second adjusting screw is threaded through the second cover 120 and threadedly cooperates with the threaded hole in the other end of the driven roller shaft 320. By driving the first adjusting screw and the second adjusting screw to rotate, the two ends of the driven roller shaft 320 are moved towards or away from the driving roller 310, thereby adjusting the relative distance between the driven roller 320 and the driving roller 310.

[0060] In some embodiments, referring to Figure 3 , the conveying device 10 further comprises a first synchronous wheel 210, a second synchronous wheel 220, and a synchronous belt 230. The first synchronous wheel 210 is connected with the motor shaft of the motor 200, the second synchronous wheel 220 is connected with the driving roller 310, and the synchronous belt 230 is wound around the first synchronous wheel 210 and the second synchronous wheel 220. In this way, the running accuracy of the conveying belt 400 can be improved.

[0061] In some embodiments, the diameter of the first synchronous pulley 210 is smaller than the diameter of the second synchronous pulley 220. In some embodiments, the first synchronous pulley 210 is a 16-tooth synchronous pulley. The second synchronous pulley 220 is a 64-tooth synchronous pulley.

[0062] In some embodiments, the transmission device 10 further comprises a second adjusting assembly 250 and a motor mounting base 240. The second adjusting assembly 250 is arranged on the frame 100 and connected with the motor mounting base 240. The motor mounting base 240 is mounted on the frame 100, and the motor 200 is mounted on the motor mounting base 240. The second adjusting assembly 250 can drive the motor mounting base 240 to move relative to the frame 100 to adjust the relative distance between the first synchronous pulley 210 and the second synchronous pulley 220.

[0063] In some embodiments, a plurality of long strip through holes are arranged on the outer periphery of the motor mounting base 240. A plurality of screws are respectively arranged in the plurality of long strip through holes to assemble the motor mounting base 240 on the frame 100, and the screws can slide in the long strip through holes. In some embodiments, the number of the screws and the long strip through holes can be four.

[0064] In some embodiments, the second adjusting assembly 250 can be an elastic member such as a tension spring, a torsion spring, or a spring. One end of the tension spring is connected with the motor mounting base 240, and the other end of the tension spring is connected with the frame 100. The connection point of the tension spring and the frame 100 is located on the side of the first synchronous pulley 210 away from the second synchronous pulley 220. The tension spring provides an elastic force for the motor mounting base 240 to move away from the second synchronous pulley 220. That is, the tension spring has a tendency to move the motor mounting base 240 away from the second synchronous pulley 220. The motor mounting base 240 has a tendency to pull the motor 200 and the first synchronous pulley 210 to move away from the second synchronous pulley 220, so as to keep the synchronous belt 230 in a tight state, and enable the synchronous belt 230 to move smoothly.

[0065] In another embodiment, the motor mounting base 240 is provided with a threaded hole. A screw is arranged in the threaded hole of the motor mounting base 240. The motor mounting base 240 is moved relative to the frame 100 by the screw. That is, the motor mounting base 240 and the first synchronous belt 230 are pulled away from the second synchronous belt 230 by the screw, so that the synchronous belt 230 is tighter.

[0066] In some embodiments, the conveying device 10 further comprises a plurality of legs 700, which are respectively arranged at the bottom of the frame 100, and at least one leg 700 is arranged to slide along the height direction of the frame 100 to adjust the height of the corresponding frame 100. The leg 700 can play the role of cushioning for the conveying belt 400. In addition, when the conveying belt 400 is uneven, the leg 700 can be used to adjust the conveying belt 400 to be flat. In some embodiments, the number of legs 700 can be four. In other embodiments, it can also be six, eight, three, etc.

[0067] The plurality of legs 700 are arranged at the bottom of the frame 100 by screws. At least one leg 700 is arranged in the frame 100 by a long strip-shaped through hole arranged in the vertical direction. The height of the leg 700 relative to the frame 100 is adjusted by the screw and the long strip-shaped through hole.

[0068] In some embodiments, the conveying device 10 further comprises a circuit board 800 arranged in the frame 100. The circuit board 800 is arranged on the inner side of the first cover 110 or the second cover 120. The circuit board 800 is electrically connected with the motor 200 and inputs a control signal to the motor 200 to control the rotation of the motor 200, thereby controlling the movement of the conveying belt 400.

[0069] Although the present application has been described with reference to several exemplary embodiments, it is understood that the terms used are illustrative and not restrictive terms. Since the present application can be embodied in various forms without departing from the spirit or essential characteristics thereof, it should be understood that the above-described embodiments are not limited to any of the aforementioned details, but are to be interpreted broadly within the spirit and scope of the appended claims, and all changes and modifications that fall within the scope of the claims or their equivalents are intended to be embraced by the claims.

Claims

1. A transfer device for a laser processing apparatus, characterized by, The conveying device comprises: a rack, a receiving space being formed in the rack; a motor, disposed on the rack and accommodated in the receiving space; a transmission assembly, disposed on the rack and located in the receiving space, and in driving connection with the motor, so that the transmission assembly can rotate relative to the rack under the driving of the motor; a conveying belt, wound around the transmission assembly, and the transmission assembly can drive the conveying belt to move.

2. The conveyor of claim 1, wherein, The transmission assembly comprises a driving roller and a driven roller, the driving roller is disposed at one end of the rack in the length direction and can rotate relative to the rack, the motor is in driving connection with the driving roller, the driven roller is rotatably disposed at the other end of the rack in the length direction and can rotate relative to the rack, and the conveying belt is wound around the driving roller and the driven roller.

3. The conveyor of claim 2, wherein, The transmission assembly further comprises a first adjusting assembly, the first adjusting assembly is disposed on the rack and connected with the driven roller, and the first adjusting assembly can drive the driven roller to move relative to the rack to adjust the relative distance between the driven roller and the driving roller.

4. The conveyor of claim 3, wherein, The first adjusting assembly comprises a first adjusting member and a second adjusting member, the first adjusting member and the second adjusting member are respectively disposed on both sides of the rack, one end of the driven roller is connected with the first adjusting member, the other end of the driven roller is connected with the second adjusting member, the first adjusting member can drive one end of the driven roller to move relative to the rack to adjust the relative distance between one end of the driven roller and the driving roller, and the second adjusting member can drive the other end of the driven roller to move relative to the rack to adjust the relative distance between the other end of the driven roller and the driving roller.

5. The conveyor of claim 2, wherein, The conveying device further comprises a first synchronous wheel, a second synchronous wheel and a synchronous belt, the first synchronous wheel is connected with the motor shaft of the motor, the second synchronous wheel is connected with the driving roller, and the synchronous belt is wound around the first synchronous wheel and the second synchronous wheel.

6. The conveyor of claim 5, wherein, The diameter of the first synchronous wheel is smaller than the diameter of the second synchronous wheel.

7. The conveyor of claim 5, wherein, The conveying device further comprises a second adjusting assembly and a motor mounting seat, the second adjusting assembly is disposed on the rack and connected with the motor mounting seat, the motor mounting seat is mounted on the rack, the motor is mounted on the motor mounting seat, and the second adjusting assembly can drive the motor mounting seat to move relative to the rack to adjust the relative distance between the first synchronous wheel and the second synchronous wheel, so as to tension the synchronous belt.

8. The conveyor of claim 2, wherein, The surface of the driving roller and / or the driven roller is provided with anti-skid lines.

9. The conveyor of any one of claims 1 to 8, wherein, The rack comprises a first cover, a second cover and a connecting assembly, the first cover and the second cover are oppositely spaced in the width direction of the conveying belt, one end of the connecting assembly is connected with the first cover, and the other end is connected with the second cover; The receiving space comprises a space between the first cover and the second cover, and the motor is disposed on the first cover or the second cover and located in the space.

10. The conveyor of claim 9, wherein, The rack further comprises a first limiting part arranged at two ends of the first cover body and a second limiting part arranged at two ends of the second cover body, the first limiting part and the second limiting part are respectively arranged at two sides of the width direction of the conveying belt to jointly limit the movement of the conveying belt along the length direction of the conveying belt.

11. The conveyor of claim 10, wherein, The first limiting part comprises a first decorative cover connected to the end of the first cover body, the first decorative cover is capable of abutting against one side of the width direction of the conveying belt; And / or, the second limiting part comprises a second decorative cover connected to the end of the second cover body, the second decorative cover is capable of abutting against the other side of the width direction of the conveying belt.

12. The conveyor of any one of claims 1 to 8, wherein, The conveying device further comprises a support plate arranged on the rack, the support plate is used for supporting the conveying belt located at the upper part.

13. The conveyor of any one of claims 1 to 8, wherein, The conveying device further comprises a plurality of foot supports, the plurality of foot supports are respectively arranged at the bottom of the rack, at least one foot support is arranged in a sliding manner along the height direction of the rack to adjust the height of the corresponding position of the rack.

14. A laser processing apparatus characterized by comprising: Comprise: a base; a support frame connected to the base; a processing head connected to the support frame for laser processing of a workpiece; The conveying device of any one of claims 1 to 13, the rack of the conveying device is connected to the base, and the conveying device is used for transporting objects.

15. The laser processing apparatus according to claim 14, characterized by The laser processing equipment further comprises a height adjusting assembly connected to the conveying device and the base respectively, the height adjusting assembly is capable of adjusting the height of the conveying device relative to the base.

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