Tensioning device of powder spraying conveying line

Abstract

The utility model discloses a powder spraying conveyor line tensioning device which comprises a fixing support and a conveying chain, a U-shaped frame is arranged below the top of the fixing support, the lower portion of the outer side of the U-shaped frame is connected with the conveying chain in a sliding mode, one end of the upper portion of the U-shaped frame is fixedly connected with a first sliding frame, and the other end of the upper portion of the U-shaped frame is fixedly connected with a second sliding frame. A second sliding frame is fixedly connected to the end, away from the first sliding frame, of the upper portion of the U-shaped frame, and sliding rail wheels are rotationally connected to the lower portions of the two ends of the first sliding frame and the lower portions of the two ends of the second sliding frame. The fixed support and the U-shaped frame are matched with the two sliding frames and the corresponding sliding rail wheels, so that the U-shaped frame can slide along the top rail groove of the fixed support, and then the U-shaped frame is matched with the fixed pulley on the pulley fixing seat, so that force can be applied to the first sliding frame by utilizing the tightening rope through the gravity of the cement pressure falling disc; the U-shaped frame is driven to stretch and tighten the conveying chain in real time, and stable operation of the conveying chain is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of powder spraying conveying lines, in particular to a tensioning device for a powder spraying conveying line. Background Art

[0002] During the processing of panels, after grinding and degreasing, they need to be powdered. In order to improve processing efficiency, the panels are usually hung on hooks, and the hooks are driven by chain conveyor lines to move the panels, thereby conveying the panels to the dust removal room, powder spraying room and high-temperature curing room in turn to complete the dust removal, powder spraying and high-temperature curing of the panels.

[0003] Since the entire production line needs to undergo high temperature and cooling processes at the same time, the length of the conveyor chain of the conveyor line will fluctuate due to thermal expansion and contraction, and the chain needs to be driven by a drive device at a certain point, which can easily cause the conveying speed of the workpiece to fluctuate, or the chain force fluctuations to cause folding and jamming of the track. Therefore, a tensioning device is needed that can apply a certain tension to the conveyor chain in real time. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a tensioning device for a powder spraying conveying line, which solves the above problem.

[0005] To achieve the above object, a tensioning device for a powder spraying conveyor line is provided, comprising a fixed bracket and a conveyor chain, wherein a U-shaped bracket is provided below the top of the fixed bracket, the outer side and lower side of the U-shaped bracket are slidably connected to the conveyor chain, an upper end of the U-shaped bracket is fixedly connected to a first sliding bracket, an upper end of the U-shaped bracket away from the first sliding bracket is fixedly connected to a second sliding bracket, both ends of the first sliding bracket and the second sliding bracket are rotatably connected to sliding track wheels below, and top track grooves are provided on both sides above the top of the fixed bracket;

[0006] The cam is fixedly mounted on the support frame, and the cam is mounted on a link cam of the link frame. The cam is mounted on a link cam of the second support frame. The cam is mounted on a link cam of the second support frame.

[0007] According to the tensioning device of the powder spraying conveyor line, the positions of the multiple sliding track wheels are all located above the corresponding top track grooves, the two ends of the first sliding frame and the second sliding frame are respectively slidably connected to the corresponding top track grooves through the sliding track wheels, and the first sliding frame and the second sliding frame are fixedly connected to each other through two connecting rods.

[0008] According to the tensioning device of the powder spraying conveyor line, the bottoms of the fixing bracket and the protection bracket are both fixedly connected to the ground.

[0009] According to the tensioning device of the powder spraying conveyor line, the bodies of the plurality of cement weight plates are each provided with a radial opening groove extending from the center to the edge.

[0010] According to the tensioning device of the powder spraying conveying line, the connecting seat is a high-strength spring telescopic cylinder, and the tensioning rope is a non-retractable steel wire rope.

[0011] According to the tensioning device of the powder spraying conveying line, the tensioning rope is a non-retractable steel wire rope, and the connecting seat is a non-retractable hard sleeve.

[0012] According to the tensioning device of the powder spraying conveyor line, the tensioning rope is a non-retractable steel wire rope, the connecting seat is a movable pulley seat, and the end of the tensioning rope away from the cross suspension chassis passes through the movable pulley seat and is fixedly connected to the fixed bracket at a position below the pulley fixing seat.

[0013] The above solution has at least one of the following beneficial effects:

[0014] 1. The utility model is provided with a fixed bracket and a U-shaped bracket, which cooperates with two sliding brackets and corresponding sliding track wheels, so that the U-shaped bracket can slide along the top track groove of the fixed bracket, and then cooperates with the fixed pulley on the pulley fixing seat, and then the gravity of the cement pressure plate can be used to apply force to the first sliding bracket using the tensioning rope, driving the U-shaped bracket to stretch and tighten the conveyor chain in real time, thereby ensuring the stable operation of the conveyor chain and enhancing the practicality of the device.

[0015] 2. The connecting seat of the utility model can be a high-strength spring telescopic cylinder, which can buffer the tensioning rope when the tension of the conveyor chain changes or the cement pressure plate is added or subtracted, thereby reducing the instantaneous load on the tensioning rope, increasing its service life, and enhancing the practicality of the device.

[0016] 3. The utility model can form a pulley group through a fixed pulley and a movable pulley arranged on a connecting seat. By increasing the falling stroke of the tension rope and the cement pressure plate, the tensioning force of the conveyor chain can be greatly improved when the cement pressure plate is limited.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 This is a schematic diagram of the left side three-dimensional structure of the first embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the right side three-dimensional structure of the first embodiment of the present utility model;

[0021] Figure 3 This is a bottom-view three-dimensional structural diagram of the first embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the right side three-dimensional structure of the second embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the right side three-dimensional structure of the third embodiment of the present invention.

[0024] Legend:

[0025] 1. Fixed bracket; 2. U-shaped bracket; 3. Conveyor chain; 4. First sliding bracket; 5. Second sliding bracket; 6. Sliding track wheel; 7. Top track groove; 8. Connecting seat; 9. Tensioning rope; 10. Pulley fixing seat; 11. Fixed pulley; 12. Cross suspension chassis; 13. Cement weight plate; 14. Protective bracket. DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention. Example

[0027] Reference Figure 1-3The embodiment of the utility model provides a tensioning device for a powder spraying conveyor line, including a fixed bracket 1 and a conveying chain 3. A U-shaped bracket 2 is provided at the top and bottom of the fixed bracket 1, and the outer side and lower side of the U-shaped bracket 2 are slidably connected to the conveying chain 3. One end of the upper part of the U-shaped bracket 2 is fixedly connected to a first sliding bracket 4, and one end of the upper part of the U-shaped bracket 2 away from the first sliding bracket 4 is fixedly connected to a second sliding bracket 5. The first sliding bracket 4 and the second sliding bracket 5 are fixedly connected to each other by two connecting rods. The lower ends of the first sliding bracket 4 and the second sliding bracket 5 are rotatably connected to sliding track wheels 6. Top track grooves 7 are provided on both sides above the top of the fixed bracket 1, and the positions of multiple sliding track wheels 6 are all located above the corresponding top track grooves 7. The two ends of the first sliding bracket 4 and the second sliding bracket 5 are respectively slidably connected to the corresponding top track grooves 7 through sliding track wheels 6;

[0028] The middle part of the side of the first sliding frame 4 away from the second sliding frame 5 is fixedly connected to a connecting seat 8, and the end of the connecting seat 8 away from the first sliding frame 4 is provided with a tensioning rope 9, the connecting seat 8 is a high-strength spring telescopic cylinder, and the tensioning rope 9 is a non-retractable steel wire rope. The top of the fixed bracket 1 is fixedly connected to the middle part of the side away from the second sliding frame 5, and the upper part of the pulley fixing seat 10 is rotatably connected to the side away from the first sliding frame 4. The end of the tensioning rope 9 close to the connecting seat 8 is slidably connected to the pulley fixing seat 10 through the fixed pulley 11, and the end of the tensioning rope 9 away from the connecting seat 8 is fixed. A cross-suspension chassis 12 is fixedly connected, and a plurality of cement pressure plates 13 are arranged above the cross-suspension chassis 12. The bodies of the plurality of cement pressure plates 13 are provided with a radial opening groove from the center to the edge. A protective bracket 14 is provided on the outside of the cross-suspension chassis 12 and the plurality of cement pressure plates 13. The bottoms of the fixed bracket 1 and the protective bracket 14 are fixedly connected to the ground. When the connecting seat 8 is a high-strength spring telescopic cylinder, the tensioning rope 9 can be buffered when the tension of the conveying chain 3 changes or the cement pressure plates 13 are added or subtracted, thereby reducing the instantaneous load on the tensioning rope 9 and improving the service life. Example

[0029] Reference Figure 4The difference between this embodiment and the first embodiment is that: a tensioning device for a powder spraying conveyor line includes a fixed bracket 1 and a conveying chain 3, a U-shaped bracket 2 is provided at the top and bottom of the fixed bracket 1, and the outer side and lower side of the U-shaped bracket 2 are slidably connected to the conveying chain 3, and the upper end of the U-shaped bracket 2 is fixedly connected to the first sliding bracket 4, and the upper end of the U-shaped bracket 2 away from the first sliding bracket 4 is fixedly connected to the second sliding bracket 5, and the first sliding bracket 4 and the second sliding bracket 5 are fixedly connected to each other by two connecting rods. The lower ends of the first sliding bracket 4 and the second sliding bracket 5 are rotatably connected to sliding track wheels 6, and top track grooves 7 are provided on both sides of the top of the fixed bracket 1, and the positions of the multiple sliding track wheels 6 are all located above the corresponding top track grooves 7, and the ends of the first sliding bracket 4 and the second sliding bracket 5 are respectively slidably connected to the corresponding top track grooves 7 through sliding track wheels 6;

[0030] The middle part of the side of the first sliding frame 4 away from the second sliding frame 5 is fixedly connected to a connecting seat 8, and a tensioning rope 9 is provided at one end of the connecting seat 8 away from the first sliding frame 4. The middle part of the side of the top of the fixed bracket 1 away from the second sliding frame 5 is fixedly connected to a pulley fixing seat 10, and the upper side of the pulley fixing seat 10 away from the first sliding frame 4 is rotatably connected to a fixed pulley 11. The end of the tensioning rope 9 close to the connecting seat 8 is slidably connected to the pulley fixing seat 10 through the fixed pulley 11, and the end of the tensioning rope 9 away from the connecting seat 8 is fixedly connected to a cross suspension chassis 12. The tensioning rope 9 is a non-retractable steel wire rope, and the connecting seat 8 is a movable pulley seat. The end of the tensioning rope 9 away from the cross suspension chassis 12 It passes through the movable pulley seat and is fixedly connected with the fixed bracket 1 at a position below the pulley fixed seat 10. A pulley group can be formed through the fixed pulley and the movable pulley arranged on the connecting seat 8. By increasing the downward stroke of the tensioning rope 9 and the cement pressure plate 13, the tensioning force of the conveying chain 3 is greatly improved when the cement pressure plate 13 is limited. A plurality of cement pressure plates 13 are arranged above the cross-suspension chassis 12. The bodies of the plurality of cement pressure plates 13 are all provided with a radial opening groove from the center to the edge. A protective bracket 14 is provided on the outside of the cross-suspension chassis 12 and the plurality of cement pressure plates 13. The bottom of the fixed bracket 1 and the protective bracket 14 are both fixedly connected to the ground. Example

[0031] Reference Figure 5The difference between this embodiment and the first and second embodiments is that: a tensioning device for a powder spraying conveyor line includes a fixed bracket 1 and a conveying chain 3, a U-shaped bracket 2 is provided at the top and bottom of the fixed bracket 1, and the outer side and lower side of the U-shaped bracket 2 are slidably connected to the conveying chain 3, and the upper end of the U-shaped bracket 2 is fixedly connected to a first sliding bracket 4, and the upper end of the U-shaped bracket 2 away from the first sliding bracket 4 is fixedly connected to a second sliding bracket 5, and the first sliding bracket 4 and the second sliding bracket 5 are fixedly connected to each other by two connecting rods. The lower ends of the first sliding bracket 4 and the second sliding bracket 5 are rotatably connected to sliding track wheels 6, and top track grooves 7 are provided on both sides of the top of the fixed bracket 1, and the positions of the multiple sliding track wheels 6 are all located above the corresponding top track grooves 7, and the ends of the first sliding bracket 4 and the second sliding bracket 5 are respectively slidably connected to the corresponding top track grooves 7 through sliding track wheels 6;

[0032] The middle part of the side of the first sliding frame 4 away from the second sliding frame 5 is fixedly connected to a connecting seat 8, and the end of the connecting seat 8 away from the first sliding frame 4 is provided with a tensioning rope 9, the connecting seat 8 is a non-retractable hard sleeve, and the tensioning rope 9 is a non-retractable steel wire rope. The middle part of the side of the top of the fixed bracket 1 away from the second sliding frame 5 is fixedly connected to a pulley fixing seat 10, and the side of the pulley fixing seat 10 away from the first sliding frame 4 is rotatably connected with a fixed pulley 11. The end of the tensioning rope 9 close to the connecting seat 8 is slidably connected to the pulley fixing seat 10 through the fixed pulley 11, and the tensioning rope 9 is away from One end of the connecting seat 8 is fixedly connected to a cross-suspension chassis 12, and a plurality of cement weight plates 13 are arranged above the cross-suspension chassis 12. The bodies of the plurality of cement weight plates 13 are provided with a radial opening groove from the center to the edge. A protective bracket 14 is provided on the outside of the cross-suspension chassis 12 and the plurality of cement weight plates 13. The bottoms of the fixed bracket 1 and the protective bracket 14 are fixedly connected to the ground. The cement weight plates 13 can be protected by the protective bracket 14 to prevent the logistics of the workpiece from affecting them when the production line is working, resulting in fluctuations in the tensioning force.

[0033] Working principle: The fixed bracket 1 and U-shaped frame 2 set in the utility model, in conjunction with two sliding frames and corresponding sliding track wheels 6, can make the U-shaped frame 2 slide along the top track groove 7 of the fixed bracket 1, and then cooperate with the fixed pulley 11 on the pulley fixing seat 10, and then can use the tensioning rope 9 to apply force to the first sliding frame 4 through the gravity of the cement pressure plate 13, drive the U-shaped frame 2 to stretch and tighten the conveyor chain 3 in real time, and ensure the stable operation of the conveyor chain 3.

[0034] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A tensioning device for a powder spraying conveyor line, comprising a fixed bracket (1) and a conveying chain (3), characterized in that: A U-shaped frame (2) is provided below the top of the fixed bracket (1), and the outer lower side of the U-shaped frame (2) is slidably connected to the conveying chain (3). An upper end of the U-shaped frame (2) is fixedly connected to a first sliding frame (4), and an upper end of the U-shaped frame (2) away from the first sliding frame (4) is fixedly connected to a second sliding frame (5). Both ends of the first sliding frame (4) and the second sliding frame (5) are rotatably connected to sliding track wheels (6). Top track grooves (7) are provided on both sides above the top of the fixed bracket (1); The first sliding frame (4) is fixedly connected to a connecting seat (8) at the middle of a side away from the second sliding frame (5), and a tensioning rope (9) is provided at one end of the connecting seat (8) away from the first sliding frame (4). The top of the fixed bracket (1) is fixedly connected to a pulley fixing seat (10) at the middle of a side away from the second sliding frame (5). A fixed pulley (11) is rotatably connected to the side of the pulley fixing seat (10) away from the first sliding frame (4). One end of the tensioning rope (9) close to the connecting seat (8) is slidably connected to the pulley fixing seat (10) through the fixed pulley (11). One end of the tensioning rope (9) away from the connecting seat (8) is fixedly connected to a cross suspension chassis (12), and a plurality of cement pressure plates (13) are provided above the cross suspension chassis (12). A protective bracket (14) is provided on the outer sides of the cross suspension chassis (12) and the plurality of cement pressure plates (13).

2. A tensioning device for a powder spraying conveying line according to claim 1, characterized in that: The plurality of sliding track wheels (6) are all located above the corresponding top track grooves (7); both ends of the first sliding frame (4) and the second sliding frame (5) are respectively slidably connected to the corresponding top track grooves (7) via the sliding track wheels (6); and the first sliding frame (4) and the second sliding frame (5) are fixedly connected to each other via two connecting rods.

3. The tensioning device of a powder spraying conveying line according to claim 1, characterized in that: The bottoms of the fixing bracket (1) and the protection bracket (14) are both fixedly connected to the ground.

4. The tensioning device of a powder spraying conveying line according to claim 1, characterized in that: The bodies of the plurality of cement pressure plates (13) are each provided with a radial opening groove extending from the center to the edge.

5. The tensioning device of a powder spraying conveying line according to claim 1, characterized in that: The connecting seat (8) is a high-strength spring telescopic cylinder, and the tensioning rope (9) is a non-retractable steel wire rope.

6. The tensioning device of a powder spraying conveying line according to claim 1, characterized in that: The tension rope (9) is a non-retractable steel wire rope, and the connecting seat (8) is a non-retractable hard sleeve.

7. The tensioning device of a powder spraying conveying line according to claim 1, characterized in that: The tension rope (9) is a non-retractable steel wire rope, the connecting seat (8) is a movable pulley seat, and the end of the tension rope (9) away from the cross suspension chassis (12) passes through the movable pulley seat and is fixedly connected to the fixed bracket (1) at a position below the pulley fixing seat (10).

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