Tension adjusting device for belt conveying platform and laser cutting equipment

Abstract

The utility model discloses a tension adjusting device and laser cutting equipment used for a belt conveying platform, the tension adjusting device comprises a deviation rectifying device and a tension balancing device, the deviation rectifying device comprises a support, a driving mechanism and a connecting mechanism, the connecting mechanism is used for being connected with a deviation rectifying roller in the laser equipment, and the tension balancing device is arranged on the support. The driving mechanism is used for enabling the connecting mechanism to move up and down along the rack; the tension balancing device is movably arranged on a rack of the laser equipment and comprises a tension roller seat, a roller seat moving mechanism and a tension balancing assembly, the tension roller seat is connected with the roller seat moving mechanism, the tension roller seat is connected with a tension roller in the laser equipment, and the roller seat moving mechanism drives the tension roller seat to move up and down in the vertical direction of the rack. By means of the technical scheme, deviation of the belt can be automatically adjusted in real time, and the tightness state of the belt can be adjusted in real time according to production requirements in the production process; maintenance time is greatly shortened, and production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of laser production equipment, and specifically relates to a tension regulating device for a belt conveying platform and laser cutting equipment. Background Art

[0002] Laser processing equipment such as laser cutting machines are currently widely used in industries such as sheet metal cutting. For some products that have high requirements on the surface of the sheet metal (such as some automotive sheet metal parts), belt-type laser cutting machines have been launched. That is, the workpiece (such as sheet metal parts) is conveyed by a belt and then laser cut, which solves the problem of surface scratches during sheet metal processing.

[0003] However, in the above-mentioned belt-type laser cutting equipment, the belt needs to rotate around the roller to realize material transportation. However, during long-term production, as the belt rotates, there will be a large force on one side of the roller and a small force on the other side for adjustment; at the same time, as the belt is used for a long time, the tension of the belt will also change. At present, the belt adjustment is achieved by manually adjusting the belt rollers. Each adjustment requires multiple manual calibrations according to the deviation direction of the belt, which has the disadvantages of long adjustment time and poor adjustment accuracy. Utility Model Content

[0004] In view of the deficiencies of the prior art, the present invention provides the following technical solutions:

[0005] A tension adjustment device for a belt conveyor platform, comprising a deviation correction device and a tension balancing device, wherein the deviation correction device comprises a support, a driving mechanism and a connecting mechanism, wherein the support is fixedly connected to a frame of a laser device, the connecting mechanism is used to connect to a deviation correction roller in the laser device, and the driving mechanism is used to move the connecting mechanism up and down along the frame;

[0006] The tension balancing device is movably arranged on the frame of the laser equipment, and includes a tension roller seat, a roller seat moving mechanism and a tension balancing assembly; the tension roller seat is connected to the roller seat moving mechanism, the tension roller seat is connected to the tension roller in the laser equipment, and the roller seat moving mechanism drives the tension roller seat to move up and down in the vertical direction of the frame.

[0007] Preferably, the driving mechanism includes a deviation correction driving device, and the deviation correction driving device has a retractable driving shaft; the connecting mechanism includes a connecting plate, an internal connecting part and an external connecting part, the center of the connecting plate is provided with a sliding hole, the internal connecting part is arranged in the sliding hole and slides up and down along the sliding hole, and the roller shaft of the deviation correction roller passes through the internal connecting part; one end of the external connecting part is connected to the driving shaft of the deviation correction driving device, and the other end of the external connecting part is connected to the roller shaft of the deviation correction roller passing through the internal connecting part.

[0008] Preferably, the driving mechanism further includes a deviation detector, the deviation detector is fixedly connected to the frame, and the deviation detector is electrically connected to the deviation correction driving device.

[0009] Preferably, the deviation correction drive device is a telescopic cylinder; the deviation detector is an air pressure detector; and the external component is a fisheye interface.

[0010] Preferably, the roller seat moving mechanism includes a roller seat driver, a roller seat connector, a driving wheel and a driven wheel; the driving wheel is connected to the roller seat driver, and the roller seat driver and the driven wheel are fixed at the upper and lower ends of the frame; the roller seat connector is wrapped around the driving wheel and the driven wheel, so that the roller seat connector forms an outer roller seat connector and an inner roller seat connector; the tension roller seat is fixedly connected to the outer roller seat connector.

[0011] Preferably, the tension roller seat comprises a bottom plate and a support ear, a second through hole is provided on the top of the support ear, and a roller shaft of the tension roller is fixed in the second through hole; the bottom plate is vertically connected to a side of the support ear away from the second through hole.

[0012] Preferably, the roller seat connecting member is a chain, and the driving wheel and the driven wheel are sprockets.

[0013] Preferably, the cutting equipment comprises the above-mentioned tension adjustment device, a frame, an endless belt, a deviation correction roller and a tension roller, and a set of the deviation correction device is provided on each side of the deviation correction roller; and a set of the tension balancing device is provided on each side of the tension roller.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] Through the technical solution of the present application, the deviation of the belt can be automatically adjusted in real time, and the tightness of the belt can also be adjusted in real time according to production needs during the production process; maintenance time is greatly reduced and production efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an overall stereogram of the laser equipment of the utility model;

[0017] Figure 2 This is an overall cross-sectional view of the laser device of the utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the deviation-correcting device of the utility model;

[0019] Figure 4 This is a cross-sectional view of the deviation-correcting device of the utility model;

[0020] Figure 5 This is a structural diagram of the tension balancing device of the utility model. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] A tension adjustment device for a belt conveyor platform, such as Figure 1 and Figure 2 As shown, it includes a deviation correction device 1 and a tension balancing device 2. The deviation correction device is used to correct the belt that deviates during rotation; the tension balancing device 2 is used to adjust the tension of the rotating belt in the laser device in real time so that it is always in a tight state. The deviation correction device 1 and the tension balancing device 2 are both arranged on the frame 3 of the laser device.

[0024] Specifically, Figure 3 and Figure 4 As shown, the deviation-correcting device 1 includes a support 11, a driving mechanism 12 and a connecting mechanism 13; the support 11 is used to fix the deviation-correcting device 1 on the frame 3 of the belt laser device; the connecting mechanism 13 is used to connect the driving mechanism 12 with the deviation-correcting roller 4 in the laser device, and the driving mechanism 12 provides driving force for the deviation-correcting device to complete the "deviation" of the belt during rotation.

[0025] like Figure 3 As shown, the support 11 is L-shaped as a whole and is fixedly connected to the frame 3 in the belt laser device. Figure 3 As shown, the driving mechanism includes a deviation correction drive device 12 and a deviation detector (not shown). The deviation correction drive device 12 has a retractable drive shaft, such as a telescopic cylinder, a telescopic motor, etc. In this embodiment, a telescopic cylinder is preferably used. The deviation correction drive device 12 is fixedly connected to the support 11, and the drive shaft of the deviation correction drive device 12 is connected to the connecting mechanism 13 in a transmission connection. The deviation detector is used to detect whether there is deviation, and it is electrically connected to the deviation correction drive device 12.

[0026] like Figure 3As shown, the connection mechanism 13 includes a connection plate 131, an internal connection member 132 and an external connection member 133; the connection plate 131 is provided with a sliding hole 1331 penetrating the upper and lower surfaces thereof, and the sliding hole 1331 is long and narrow. The internal connection member 132 is arranged in the sliding hole 1331, and can slide up and down in the sliding hole 1331, and is connected to the correction roller 4 in the belt laser device through the internal connection member 132. One end of the external connection member 133 is connected to the driving shaft of the correction drive device 12, and the other end is connected to the correction roller shaft of the correction roller 4. The correction roller shaft passes through the internal connection member 132 and the external connection member 133 in sequence from the inside to the outside. By controlling the extension or contraction of the driving shaft in the correction drive device 12, the correction roller 4 can slide up and down in the sliding hole 1331.

[0027] When the belt deviates, the belt wound on the deviation correction roller 4 will inevitably have a situation where one side has a large force and the other side has a small force. At this time, the deviation detector will detect this situation, and the deviation correction drive device 12 will start to work. Then the deviation correction drive device 12 adjusts the extension amount of the drive shaft of the deviation correction drive device 12 according to the deviation amount, and moves the deviation correction roller 4 up and down through the connecting structure 13, so that the rotating belt returns to the correct position. When the deviation correction drive device 12 is selected as a telescopic cylinder, the deviation detector can be selected as an air pressure detector. By detecting the air pressure in the telescopic cylinder, the extension amount of the cylinder is adjusted according to the pressure, and the height difference on both sides is adjusted, so that the continuously rotating belt can achieve the deviation correction effect.

[0028] like Figure 2 and Figure 5 As shown, the tension balancing device 2 is arranged on the frame 3 of the belt laser device, and is connected to the tension roller 5 in the belt laser device. The belt tension in the conveying platform is adjusted by adjusting the vertical position of the tension roller 5 on the frame 3. The tension balancing device 2 is movably connected to the frame 3, and comprises a tension roller seat 21, a roller seat moving mechanism 22 and a tension balancing assembly 23; the tension balancing assembly 23 is used to keep the tension of the belt 6 in the belt laser device in a tight state at all times; the tension roller seat 21 is connected to the roller seat moving mechanism 22, and the tension roller seat 21 can be moved up and down relative to the vertical direction of the frame 3 through the roller seat moving mechanism 22; the tension roller seat 21 is connected to the tension roller 5 in the laser device; the roller seat moving mechanism 22 and the tension balancing assembly 23 move in coordination, thereby completing the adjustment of the tension of the belt 6.

[0029] Furthermore, the tension roller seat 21 includes a bottom plate 211 and a lug 212, wherein the bottom plate 211 is vertically connected to the lug 212, and the bottom plate 211 is fixedly connected to the roller seat moving mechanism. A second through hole 2121 is provided on the top of the lug 212, which is used for the roller shaft of the tension roller 5 to pass through so that the tension roller shaft is fixedly connected to the lug 212, and the end of the lug 212 away from the through hole 2121 is fixedly connected to the bottom plate 211 through a fastener.

[0030] The roller seat moving mechanism 22 includes a roller seat driver 221, a roller seat connector 222, a driving wheel 223 and a driven wheel (not marked); the driving wheel 223 is connected to the driver 221; the driver 221 and the driven wheel are fixed at the upper and lower ends of the frame 3; the roller seat connector 222 is wound around the driving wheel 223 and the driven wheel, so that the roller seat connector 222 forms an outer roller seat connector and an inner roller seat connector (the connector on the side close to the tension roller seat 21 is the outer roller seat connector, and the connector on the side away from the tension roller seat 21 is the inner roller seat connector), and the tension roller seat 21 is fixedly connected to the outer roller seat connector. In the above design, the driver 221 rotates the driving wheel 223, thereby driving the tension roller seat 21 to move up and down along the frame. The roller seat connector 222 can be a synchronous belt or a chain. Preferably, a chain is selected as the roller seat connector 222, and accordingly, the driving wheel 223 and the driven wheel are both sprockets.

[0031] The tension balancing assembly 23 is of prior art, and includes a balancing chain 231, a first gear 232, a second gear 233 and a telescopic cylinder 234; the telescopic shaft of the telescopic cylinder 234 is fixedly connected to the second gear 233, the telescopic cylinder 234 is fixed to the bottom plate of the frame 3, the second gear 233 and the telescopic cylinder 234 are arranged on the same straight line, and can slide left and right along the bottom plate of the frame 3; one end of the balancing chain 231 is connected to one side of the telescopic cylinder 234 close to the telescopic shaft, and the other end is wound around the second gear 233, and then wound around the first gear 232, and finally fixedly connected to the bottom plate 211 in the tension roller seat 21.

[0032] During operation, when tension adjustment is required, the telescopic cylinder 234 is extended or shortened, and the tension roller seat 21 is moved along the vertical direction of the frame 3 with the cooperation of the roller seat sliding mechanism 22. The following takes the extension of the telescopic cylinder 232 as an example to explain the working process of the tension balancing device 2: when the telescopic cylinder 234 is extended, the second gear 233 is pushed out, and the balance chain 231 is driven to rotate clockwise, so that the balance chain 231 set along the frame 3 moves downward, thereby generating a downward pulling force on the tension roller seat 21. While sensing the pulling force, the driver 221 of the roller seat moving mechanism 22 is started, and the roller seat connecting member 222 rotates counterclockwise, synchronously moving the tension roller seat 21 downward, and then driving the tension roller 5 in the belt laser device to move downward, thereby applying tension to the belt 6 in the belt laser device. And vice versa.

[0033] Furthermore, if Figure 4 As shown, the external connection part 133 is preferably a fisheye connector.

[0034] Embodiment 2:

[0035] A laser cutting device, such as Figure 1 and Figure 2 As shown, it includes a frame 3, a deviation correction roller 4, a tension roller 5, an endless belt 6 and the tension adjustment device described in the above embodiment; the tension adjustment device is arranged on the left and right sides of the frame 3 (i.e., the two sides in the width direction of the belt platform); the deviation correction roller 4 and the tension roller 5 are both arranged on the frame 1; a deviation correction device 1 is respectively provided at both ends of the deviation correction roller 4; and a tension balancing device 2 is respectively provided at both ends of the tension roller 5.

[0036] It should be noted that the technical features in the above-mentioned embodiments 1 to 2 can be combined arbitrarily, and the combined technical solutions all belong to the protection scope of the present application. And in this article, terms such as "including", "comprising" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or equipment including the elements.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tension adjustment device for a belt conveyor platform, comprising a deviation correction device and a tension balancing device, characterized in that: The deflection correction device comprises a support, a driving mechanism and a connecting mechanism, wherein the support is fixedly connected to the frame of the laser device, the connecting mechanism is used to connect to the deflection correction roller in the laser device, and the driving mechanism is used to move the connecting mechanism up and down along the frame; The tension balancing device is movably arranged on the frame of the laser equipment, and includes a tension roller seat, a roller seat moving mechanism and a tension balancing assembly; the tension roller seat is connected to the roller seat moving mechanism, the tension roller seat is connected to the tension roller in the laser equipment, and the roller seat moving mechanism drives the tension roller seat to move up and down in the vertical direction of the frame.

2. The tension adjustment device according to claim 1, characterized in that: The driving mechanism includes a deviation correction driving device, which has a retractable driving shaft; the connecting mechanism includes a connecting plate, an internal connecting part and an external connecting part, the center of the connecting plate is provided with a sliding hole, the internal connecting part is arranged in the sliding hole and slides up and down along the sliding hole, and the roller shaft of the deviation correction roller passes through the internal connecting part; one end of the external connecting part is connected to the driving shaft of the deviation correction driving device, and the other end of the external connecting part is connected to the roller shaft of the deviation correction roller passing through the internal connecting part.

3. The tension adjustment device according to claim 2, characterized in that: The driving mechanism further comprises a deviation detector, which is fixedly connected to the frame and electrically connected to the deviation correction driving device.

4. The tension adjustment device according to claim 3, characterized in that: The deviation correction driving device is a telescopic cylinder; the deviation detector is an air pressure detector; and the external connection part is a fisheye interface.

5. The tension adjustment device according to any one of claims 1 to 4, characterized in that: The roller seat moving mechanism includes a roller seat driver, a roller seat connecting piece, a driving wheel and a driven wheel; the driving wheel is connected to the roller seat driver, and the roller seat driver and the driven wheel are fixed at the upper and lower ends of the frame; the roller seat connecting piece is wound around the driving wheel and the driven wheel, so that the roller seat connecting piece forms an outer roller seat connecting piece and an inner roller seat connecting piece; the tension roller seat is fixedly connected to the outer roller seat connecting piece.

6. The tension adjustment device according to claim 5, characterized in that: The tension roller seat comprises a bottom plate and a support ear, a second through hole is arranged on the top of the support ear, and a roller shaft of the tension roller is fixed in the second through hole; the bottom plate is vertically connected to a side of the support ear away from the second through hole.

7. The tension adjustment device according to claim 6, characterized in that: The roller seat connecting piece is a chain, and the driving wheel and the driven wheel are sprockets.

8. A laser cutting device, characterized in that: The cutting equipment includes the tension adjustment device as described in claim 7, a frame, an endless belt, a correction roller and a tension roller, wherein a set of the correction device is arranged on each side of the correction roller; and a set of the tension balancing device is arranged on each side of the tension roller.

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