Combined workbench

Abstract

The utility model discloses a combined workbench which comprises a cutting platform, a discharging platform and a synchronous transmission mechanism used for connecting the cutting platform and the discharging platform, and the cutting platform comprises a first rack, a chain transmission assembly and a plurality of racks; the discharging platform comprises a second rack, a driving roller, a driven roller and a plurality of first carrier rollers, the driving roller and the driven roller are sleeved with a belt, and the top faces of the first carrier rollers and the top face of the driving roller are located on the same horizontal plane; the top surface of the belt and the top surface of the rack are on the same horizontal plane; the synchronous transmission mechanism comprises a power source, two first driving wheels, two first driven wheels and two first chains, and the power source drives the chain transmission assembly to move, drives the multiple racks to move along a kidney-shaped track and drives the belt on the driving roller to move circularly. And the plate can be loaded on the belt, picked by the manipulator and labeled, so that the condition that the plate is scratched is avoided, and the surface quality of the plate is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cutting machine technical field, especially in kind combination work platform. BACKGROUND

[0002] Laser cutting is to make workpiece melt and evaporate by the energy released when laser beam irradiates to the surface, so as to achieve the purpose of cutting and carving. Laser cutting machine has high operation precision and fast processing efficiency, so it is widely used.

[0003] The existing laser cutting machine sets one workbench or two interactive workbenches, and a plurality of equidistantly arranged racks are arranged on all the workbenches. One workbench needs to be cut after completing feeding and discharging, which has low processing efficiency. Two interactive workbenches can cut while one workbench is feeding and discharging, which can improve cutting efficiency, but still needs to feed and discharge on the workbench with a plurality of racks. Since the top of the rack has a sharp corner, the plate will be moved and a certain pressure will be applied to the plate during feeding, mechanical hand picking or labeling, which will cause the surface of the plate to be scratched by the rack, thereby affecting the surface quality of the plate.

[0004] It can be seen that the prior art still needs to be improved and improved. CONTENT OF THE UTILITY MODEL

[0005] In view of the above shortcomings of the prior art, the purpose of the utility model is to provide a combination workbench, which aims to solve the technical problem of reducing the surface quality of the plate during feeding, discharging and labeling on the cutting platform in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A combination workbench, comprising a cutting platform, a feeding platform and a synchronous transmission mechanism for connecting the cutting platform and the feeding platform, the cutting platform comprising a first rack, a chain transmission assembly arranged on the first rack and a plurality of racks arranged on the chain transmission assembly; the feeding platform comprising a second rack, a driving roller rotatably connected with the second rack, a driven roller rotatably connected with the second rack and a plurality of first supporting rollers arranged between the driving roller and the driven roller, a belt being sleeved on the driving roller and the driven roller, and the top surface of the first supporting roller being on the same horizontal plane as the top surface of the driving roller; the top surface of the belt being on the same horizontal plane as the top surface of the rack; the synchronous transmission mechanism comprising a power source arranged on the first rack, two first driving wheels arranged on the chain transmission assembly, two first driven wheels arranged on the driving roller, and two first chains corresponding to the first driving wheels and the first driven wheels, the power source driving the chain transmission assembly to move, and driving the plurality of racks to move in a waist-shaped track and driving the belt on the driving roller to move in a cycle.

[0008] Further, the synchronous transmission mechanism further comprises a tensioning adjuster arranged on the second frame and a tensioning wheel arranged on the tensioning adjuster, the tensioning wheel being pressed on the first chain.

[0009] Further, the feeding platform further comprises a plurality of brackets arranged between the driving roller and the driven roller, the plurality of brackets being arranged at intervals with the plurality of first supporting rollers, and the top surface of the bracket being lower than the top surface of the first supporting roller.

[0010] Further, the bracket comprises a frame arranged on the second frame and a supporting plate arranged on the top of the frame, and the two sides of the supporting plate are inclined downward.

[0011] Further, the feeding platform further comprises a plurality of second supporting rollers, the second supporting rollers being arranged below the first supporting rollers, and the top surface of the second supporting roller being higher than the bottom surface of the driving roller.

[0012] Further, the second frame is provided with a tensioning seat, the tensioning seat being provided with an L-shaped slot on the side close to the driven roller and a through hole on the end away from the second frame, the end of the driven roller being arranged in the L-shaped slot, and the end of the driven roller being provided with an adjusting screw, the adjusting screw being connected with a nut after passing through the through hole.

[0013] Further, the second frame is provided with a plurality of supporting legs, the bottom of the supporting leg being provided with a height-adjusting foot cup, the side wall of the supporting leg being slidingly connected with a fixing plate, and the bottom of the fixing plate being provided with a horizontal portion abutting against the ground.

[0014] Further, the chain transmission assembly comprises a transmission shaft rotatably connected with the first frame, two second driving rollers arranged on the transmission shaft, two second driven rollers rotatably connected with the first frame, and two second chains corresponding to the first driving roller and the second driven roller, a plurality of racks being arranged between the two second chains, and the power source driving the transmission shaft to rotate.

[0015] Further, the first frame is provided with a brush for shielding the second chain, the end of the brush being in contact with the end of the rack.

[0016] Further, the rack has a U-shaped cross section, the rack comprising two symmetrical tooth plates and a bottom plate for connecting the two tooth plates, the bottom plate being provided with a plurality of heat dissipation holes arranged along the length direction of the bottom plate, and the two second chains being provided with a connecting plate at equal intervals, the end of the bottom plate being arranged on the connecting plate.

[0017] Beneficial effects: the combined workbench provided by the utility model connects the cutting platform and the feeding platform through the synchronous transmission mechanism, so that the plurality of racks located on the cutting platform and the belt located on the feeding platform move synchronously, the board moves between the plurality of racks and the belt, the board completes feeding, manipulator picking and label sticking on the belt, the situation that the board is scratched can be avoided, and then the surface quality of the board is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of the combined workbench provided by the utility model is provided.

[0019] Figure 2 The structure diagram of the combined workbench provided by the utility model is provided. Figure 1 The enlarged view of A of the combined workbench provided by the utility model is provided.

[0020] Figure 3 The enlarged view of B of the combined workbench provided by the utility model is provided. Figure 1 The structure diagram of the combined workbench provided by the utility model is provided.

[0021] Figure 4 The main sectional view of the combined workbench provided by the utility model is provided.

[0022] Figure 5 The explosion view of the first supporting roller in the combined workbench provided by the utility model is provided.

[0023] Figure 6 The explosion view of the tensioning seat in the combined workbench provided by the utility model is provided.

[0024] Figure 7 The structure diagram of the supporting leg in the combined workbench provided by the utility model is provided.

[0025] Figure 8 The structure diagram of the rack in the combined workbench provided by the utility model is provided.

[0026] Cutting platform 1, first rack 11, chain transmission assembly 12, transmission shaft 121, second driving wheel 122, second driven wheel 123, second chain 124, rack 13, toothed plate 131, bottom plate 132, heat dissipation hole 133, connecting plate 134, brush 14, tensioning adjusting device 15, feeding platform 2, second rack 21, supporting leg 211, height-adjusting foot cup 212, fixed plate 213, horizontal part 213.1, waist hole 213.2, driving roller 22, driven roller 23, first supporting roller 24, U-shaped seat 241, cover plate 242, belt 25, bracket 26, frame 261, supporting plate 262, second supporting roller 27, tensioning seat 28, L-shaped groove 281, through hole 282, adjusting screw 283, nut 284, synchronous transmission mechanism 3, power source 31, first driving wheel 32, first chain 33, tensioning adjuster 34, tensioning wheel 35. DETAILED DESCRIPTION

[0027] The utility model provides a kind of combined workstation, to make the purpose, technical scheme and effect of the utility model more clear, definite, the following with reference to drawing and by example to the utility model further detailed explanation.It should be understood that the specific embodiments described herein are merely intended to illustrate the utility model and are not intended to limit the utility model.

[0028] Please refer to Figures 1 to 8 As shown in the utility model provides including cutting platform 1, material placing platform 2 and the synchronous transmission mechanism 3 for connecting cutting platform 1 and material placing platform 2, the cutting platform 1 includes first rack 11, chain drive assembly 12 arranged on first rack 11, and a plurality of rack gears 13 arranged on chain drive assembly 12;The material placing platform 2 includes second rack 21, driving roller 22 rotationally connected with second rack 21, driven roller 23 rotationally connected with second rack 21, and a plurality of first supporting rollers 24 arranged between driving roller 22 and driven roller 23, driving roller 22 and driven roller 23 are sleeved with belt 25, the top surface of first supporting roller 24 is on the same horizontal plane with the top surface of driving roller 22;The top surface of belt 25 is on the same horizontal plane with the top surface of rack gear 13, wherein the top surface of rack gear 13 is the top surface of rack gear 13 located on the upper flat section of chain drive assembly 12;The synchronous transmission mechanism 3 includes power source 31 arranged on first rack 11, two first driving wheels 32 arranged on chain drive assembly 12, two first driven wheels arranged on driving roller 22, and two first chains 33 corresponding to being arranged on first driving wheel 32 and first driven wheel, power source 31 drives chain drive assembly 12 to move, and drives a plurality of rack gears 13 to move in a waist-shaped trajectory and drives belt 25 on driving roller 22 to move in a cycle.

[0029] Before cutting, the plate can be placed on the belt 25 of the material placing platform 2, and the plate is labeled. Then power source 31 is started, chain drive assembly 12 is driven to move, and driving roller 22 is driven to rotate through the cooperation of first driving wheel 32, first driven wheel and first chain 33, driving roller 22 and driven roller 23 cooperate to drive belt 25 to move in a cycle, similarly, chain drive assembly 12 drives a plurality of rack gears 13 to move synchronously in a waist-shaped trajectory, to realize the plate on the belt 25 is stably conveyed to a plurality of rack gears 13 to carry out subsequent cutting work.

[0030] After the plate cutting is completed, power source 31 is started again, chain drive assembly 12 is driven to move reversely, and then driving roller 22 is driven to move reversely, so that the plate on the cutting platform 1 is stably conveyed to the belt 25, so as to facilitate the mechanical hand to pick up the material on the belt 25.

[0031] In the whole feeding and discharging, labeling process, the plate is on the belt 25, to avoid the plate from being damaged due to position deviation or pressure.

[0032] In the above, the first plurality of rollers 24 is arranged to support the upper flat section of the belt 25, so as to ensure that the belt 25 can support the board without sagging.

[0033] In a preferred embodiment, referring to Figure 4 , the synchronous transmission mechanism 3 further comprises a tensioning adjuster 34 arranged on the second frame 21, and a tensioning wheel 35 arranged on the tensioning adjuster 34, the tensioning wheel 35 being pressed on the first chain 33. Through the tensioning adjuster 34, the tensioning wheel 35 is always pressed on the first chain 33, and the first chain 33 has appropriate tensioning force, so as to avoid the occurrence of slippage and tooth drop, and reduce the transmission accuracy.

[0034] It should be noted that the design parameters of the first driving wheel 32 and the design parameters of the first driven wheel are consistent, so as to ensure that the plurality of racks 13 and the belt 25 move synchronously.

[0035] In a preferred embodiment, referring to Figure 4 , the feeding platform 2 further comprises a plurality of brackets 26 arranged between the driving roller 22 and the driven roller 23, and the plurality of brackets 26 are arranged at intervals with the plurality of first rollers 24. The plurality of brackets 26 are arranged to further improve the supporting capacity of the belt 25. In particular, during the picking and labeling processes of the mechanical hand, the belt 25 is supported by the bracket 26 to prevent the board from being suspended in the air, avoid the displacement of the board, reduce the labeling accuracy, and prevent the picking from being inaccurate. The top surface of the bracket 26 is lower than the top surface of the first roller 24, so that the belt 25 is supported by the bracket 26 during picking and labeling; during conveying, the belt 25 has a certain gap with the bracket 26 to prevent the belt 25 from being worn due to friction with the bracket 26.

[0036] Further, referring to Figure 4 , 5 , the bracket 26 comprises a frame 261 arranged on the second frame 21 and a supporting plate 262 arranged on the top of the frame 261, and the two sides of the supporting plate 262 are inclined downward. Specifically, the frame 261 is in the shape of a "day", and the supporting plate 262 is fixed on the top of the frame 261 to ensure that the supporting plate 262 has sufficient strength and supporting capacity. Moreover, the two sides of the supporting plate 262 are inclined downward to avoid the edge of the supporting plate 262 scraping the bottom of the belt 25 at the beginning of the movement of the belt 25, thereby scratching the belt 25 and affecting the service life of the belt 25.

[0037] Further, referring to Figure 4 , the feeding platform 2 further comprises a plurality of second rollers 27, the second rollers 27 being located below the first rollers 24, and the top surface of the second rollers 27 being higher than the bottom surface of the driving roller 22. The plurality of second rollers 27 serve to support the lower flat section of the belt 25 to prevent the belt 25 at this position from sagging.

[0038] Specifically, referring to Figure 5 , the inner two sides of the second rack 21 are respectively fixed with U-shaped seats 241, the end of the first supporting roller 24 is inserted into the U-shaped seat 241, and the top of the U-shaped seat 241 is connected with a cover plate 242 to avoid the end of the first supporting roller 24 from being separated from the U-shaped seat 241, thereby achieving the installation of the first supporting roller 24, and the installation structure is convenient for the assembly and disassembly of the first supporting roller 24.

[0039] Similarly, the installation structure of the second supporting roller 27 is similar to that of the first supporting roller 24, and the installation structure of the first supporting roller 24 can be specifically referred to.

[0040] In a preferred embodiment, referring to Figure 6 , the second rack 21 is provided with a tensioning seat 28, the tensioning seat 28 is provided with an L-shaped groove 281 close to one side of the driven roller 23 and a through hole 282 open at the end away from the second rack 21, the end of the driven roller 23 is arranged in the L-shaped groove 281, and the end of the driven roller 23 is provided with an adjusting screw 283, which is connected with a nut 284 after passing through the through hole 282. Through the L-shaped groove 281, the driven roller 23 is easily assembled and disassembled and moved to adjust the distance between the driving roller 22 and the driven roller 23, thereby adjusting the tension of the belt 25. When adjusting, the nut 284 is screwed in or out, so that the driven roller 23 makes a translational motion along the horizontal segment of the L-shaped groove 281.

[0041] In a preferred embodiment, referring to Figure 7 , the second rack 21 is provided with a plurality of supporting legs 211, the bottom of the supporting leg 211 is provided with a height-adjusting cup 212, and the side wall of the supporting leg 211 is slidingly connected with a fixing plate 213, and the bottom of the fixing plate 213 is provided with a horizontal portion 213.1 abutting against the ground. Specifically, the fixing plate 213 is provided with two waist holes 213.2 extending in the vertical direction, and the screw is fixed on the supporting leg 211 through the waist hole 213.2. The height of the second rack 21 is adjusted through the height-adjusting cup 212, so that the top surface of the plurality of racks 13 and the top surface of the belt 25 are on the same horizontal plane. When adjusting, the horizontal portion 213.1 of the fixing plate 213 is always in contact with the ground, and the screw moves along the waist hole 213.2; after the adjustment is completed, the position of the locking screw is locked, and the horizontal portion 213.1 is fixed on the ground through the expansion screw, so as to ensure the stability of the installation position of the second rack 21.

[0042] In actual application, the number of supporting legs 211 should be determined according to the size of the second rack 21, and preferably, the supporting leg 211 located at the corner position of the second rack 21 is provided with a fixing plate 213 to ensure the stability of the connection between the second rack 21 and the ground.

[0043] In a preferred embodiment, referring to Figure 4The chain transmission assembly 12 comprises a transmission shaft 121 rotatably connected with the first rack 11, two second driving wheels 122 arranged on the transmission shaft 121, two second driven wheels 123 rotatably connected with the first rack 11, and two second chains 124 arranged on the first driving wheels 32 and the second driven wheels 123 respectively. The sprockets 13 are arranged between the two second chains 124. The power source 31 drives the transmission shaft 121 to rotate, and drives the sprockets 13 on the second chains 124 to move in a waist-shaped track, so as to support and forward the plate.

[0044] Specifically, the power source 31 comprises a stepping motor and a speed reducer. The output end of the stepping motor is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with the transmission shaft 121 through a shaft coupling. The two first driving wheels 32 are arranged on the two ends of the transmission shaft 121 respectively, and the transmission shaft 121 and the driving roller 22 are driven synchronously through the first chain 33.

[0045] Specifically, referring to Figure 3 The chain transmission assembly 12 further comprises a tension adjusting device 15. The distance between the second driven wheel 123 and the second driving wheel 122 is adjusted through the tension adjusting device 15, so as to adjust the tension of the second chain 124.

[0046] Further, referring to Figure 3 、 8 The first rack 11 is provided with a brush 14 for shielding the second chain 124. The end of the brush 14 is in contact with the end of the sprocket 13. Preferably, the brush 14 is made of stainless steel, which has certain strength and deformation recovery ability. When the sprocket 13 moves, the sprocket 13 will not collide with the brush 14 rigidly, so as to ensure the smooth movement of the sprocket 13. Meanwhile, the brush 14 made of stainless steel has certain heat insulation and strength characteristics, which can well protect the first chain 33.

[0047] In a preferred embodiment, referring to Figure 8 The cross section of the sprocket 13 is U-shaped. The sprocket 13 comprises two symmetrical tooth plates 131 and a bottom plate 132 for connecting the two tooth plates 131. The bottom plate 132 is provided with a plurality of heat dissipation holes 133 arranged along the length direction of the bottom plate 132. The heat dissipation holes 133 are arranged to facilitate heat dissipation of the sprocket 13, prevent deformation of the sprocket 13, and facilitate the falling of the cutting debris to the lower side through the heat dissipation holes 133, so as to prevent the sprocket 13 from being moved to the first end or the last end of the first rack 11. The two second chains 124 are provided with connecting plates 134 at equal intervals. The end of the bottom plate 132 is arranged on the connecting plate 134. The connecting plate 134 is detachably connected with the bottom plate 132 through screw and nut cooperation, so as to facilitate replacement of the sprocket 13.

[0048] It can be understood that, for those skilled in the art, equivalent replacements or changes can be made according to the technical solutions and the inventive concept of the utility model, and all these changes or replacements shall belong to the protection scope of the claims attached to the utility model.

Claims

1. A combination workbench characterized by, The cutting platform, the feeding platform and the synchronous transmission mechanism for connecting the cutting platform and the feeding platform are provided, the cutting platform comprises a first rack, a chain transmission assembly arranged on the first rack and a plurality of racks arranged on the chain transmission assembly; the feeding platform comprises a second rack, a driving roller rotatably connected with the second rack, a driven roller rotatably connected with the second rack, and a plurality of first rollers arranged between the driving roller and the driven roller, a belt is sleeved on the driving roller and the driven roller, and the top surface of the first roller is on the same horizontal plane as the top surface of the driving roller; the top surface of the belt is on the same horizontal plane as the top surface of the rack; the synchronous transmission mechanism comprises a power source arranged on the first rack, two first driving wheels arranged on the chain transmission assembly, two first driven wheels arranged on the driving roller, and two first chains corresponding to the first driving wheels and the first driven wheels, the power source drives the chain transmission assembly to move, and drives the plurality of racks to move in a waist-shaped track and drives the belt on the driving roller to move in a cycle.

2. The combination worktable of claim 1, wherein, The synchronous transmission mechanism further comprises a tensioning adjuster arranged on the second rack and a tensioning wheel arranged on the tensioning adjuster, and the tensioning wheel is pressed on the first chain.

3. The combination worktable of claim 1, wherein, The feeding platform further comprises a plurality of brackets arranged between the driving roller and the driven roller, the plurality of brackets are arranged at intervals with the plurality of first rollers, and the top surface of the bracket is lower than the top surface of the first roller.

4. The combination worktable of claim 3, wherein, The bracket comprises a frame arranged on the second rack and a support plate arranged on the top of the frame, and the two sides of the support plate are inclined downward.

5. The combination worktable of claim 1, wherein, The feeding platform further comprises a plurality of second rollers, the second rollers are located below the first rollers, and the top surface of the second roller is higher than the bottom surface of the driving roller.

6. The combination worktable of claim 1, wherein, The second rack is provided with a tensioning seat, an L-shaped groove is arranged on the side of the tensioning seat close to the driven roller, a through hole is formed on the end of the tensioning seat away from the second rack, the end of the driven roller is arranged in the L-shaped groove, an adjusting screw is arranged on the end of the driven roller, and the adjusting screw is connected with a nut after penetrating through the through hole.

7. The combination worktable of claim 1, wherein, The second rack is provided with a plurality of supporting legs, the bottom of the supporting leg is provided with a height-adjusting foot cup, a fixed plate is slidably connected to the side wall of the supporting leg, and the bottom of the fixed plate is provided with a horizontal portion abutting against the ground.

8. The combination worktable of claim 1, wherein, The chain transmission assembly comprises a transmission shaft rotatably connected with the first rack, two second driving wheels arranged on the transmission shaft, two second driven wheels rotatably connected with the first rack, and two second chains corresponding to the first driving wheels and the second driven wheels, and a plurality of racks are arranged between the two second chains, and the power source drives the transmission shaft to rotate.

9. The combination worktable of claim 8, wherein, The first rack is provided with a brush for shielding the second chain, and the end of the brush is in contact with the end of the rack.

10. The combination worktable of claim 8, wherein, The cross section of the rack is U-shaped, the rack comprises two symmetrically arranged tooth plates and a bottom plate for connecting the two tooth plates, a plurality of heat dissipation holes are formed in the bottom plate along the length direction of the bottom plate, a connecting plate is equidistantly arranged on the two second chains, and the end of the bottom plate is arranged on the connecting plate.

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