CN216944825U

CN216944825U - Sander conveying belt tensioning device

Info

Publication number: CN216944825U
Application number: CN202220645242.6U
Authority: CN
Inventors: 陈长升
Original assignee: Qingdao Shengnoriya Machinery Manufacturing Co ltd
Current assignee: Qingdao Shengnoriya Machinery Manufacturing Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-12
Anticipated expiration: 2032-03-23

Abstract

The application relates to the technical field of conveying belts, in particular to a tensioning device for a conveying belt of a sanding machine, which comprises two supporting plates, wherein the two supporting plates are vertically arranged and are oppositely arranged, the two supporting plates are respectively provided with an elongated slot along the length direction of the two supporting plates, a plurality of rotating rollers rotate in the two elongated slots, two ends of each rotating roller can extend out of the elongated slot, and the conveying belt is sleeved on each rotating roller; the sliding rods are vertically arranged and can abut against the end parts of the supporting plate in the length direction in a sliding manner; the adjusting rod is horizontally arranged, the adjusting rod rotates on the sliding rod, the end part of the adjusting rod can penetrate through the end part of the rotating roller, and the adjusting rod can slide in the long groove; the pushing block slides in the long groove and can abut against the end part of the rotating roller, the adjusting rod rotates in the pushing block, and the supporting plate and the sliding rod are provided with driving mechanisms which can drive the pushing block to move close to the sliding rod. This application has the effect that the realization was adjusted the tensioning of conveyer belt.

Description

Sander conveying belt tensioning device

Technical Field

The utility model belongs to the technical field of the technique of conveyer belt and specifically relates to a grinder conveyer belt overspeed device tensioner is related to.

Background

In the use of a sanding machine, particularly a woodworking sanding machine provided with a conveying belt, when the woodworking sanding machine works, the conveying belt is required to convey a plate to the lower side of abrasive cloth or abrasive paper in the sanding machine, and sanding treatment is carried out on the plate. Usually, the conveyer belt is mostly the conveyer belt of elastic rubber material, and rubber conveyor's heat conductivity is poor than metal conveyor, and rubber conveyor can satisfy the work piece of stably laminating with frictional force when the work piece contact, guarantees the stable pay-off sand light operation to the work piece.

With respect to the related art in the above, the inventors found that: in the pay-off in-process at the conveyer belt, the conveyer belt can be followed the rotation of live-rollers and is drawn by the live-rollers and hold and extend, and in the long term, the whole elasticity of conveyer belt can reduce, causes the conveyer belt to appear plastic deformation after being drawn and hold, and the phenomenon of lax appears in the conveyer belt, and the phenomenon of skidding appears when contacting with the live-rollers easily, leads to the conveying efficiency of conveyer belt to reduce.

SUMMERY OF THE UTILITY MODEL

In order to realize adjusting the tensioning of conveyer belt, this application provides a grinder conveyer belt overspeed device tensioner.

The application provides a pair of grinder conveyer belt overspeed device tensioner adopts following technical scheme:

a sander conveying belt tensioning device comprising:

the two supporting plates are vertically arranged and are oppositely arranged, long grooves are formed in the two supporting plates respectively along the length direction of the two supporting plates, a plurality of rotating rollers rotate in the two long grooves, two ends of each rotating roller can extend out of the long grooves, and a conveying belt is sleeved on each rotating roller;

at least two sliding rods are vertically arranged, and the sliding rods can be abutted against the end parts of the supporting plates in the length direction in a sliding mode;

the adjusting rod is horizontally arranged, rotates on the sliding rod, the end part of the adjusting rod can penetrate through the end part of the rotating roller, and the adjusting rod can slide in the long groove;

the pushing block slides to the long groove, the pushing block can abut against the end of the rotating roller, the adjusting rod rotates to the pushing block, the supporting plate and the sliding rod are provided with driving mechanisms, and the driving mechanisms can drive the pushing block to move close to the sliding rod.

By adopting the technical scheme, when the conveying belt is loosened after long-term working, the driving mechanism drives the sliding rod to move, the driving mechanism drives the pushing block to abut against the rotating roller, the rotating roller is pushed to move to one side close to the sliding rod, the sliding path of the pushing block is adjusted to be limited, the pushing block is pushed to stably slide in the long groove and continuously moves towards the sliding rod at the end part of the supporting plate along with the rotating roller, the length of the conveying belt on the rotating roller on the horizontal plane is elongated until the conveying belt is stably sleeved on the rotating roller, and therefore tensioning adjustment of the conveying belt is achieved.

Optionally, the outer peripheral surface of the adjusting rod is provided with threads, the sliding rod and the pushing block are provided with threaded channels at positions corresponding to the adjusting rod, and the adjusting rod is respectively in threaded connection with the pushing block and the sliding rod.

Through adopting above-mentioned technical scheme, it is integrative with the slide bar and promotion piece rigid coupling that the regulation pole passes two screw thread passageways respectively, on the one hand, is convenient for realize through the driving cylinder that the slide bar drives the regulation pole and promotes the piece and adjust the conveyer belt tensioning together, and on the other hand, when the regulation stroke of driving cylinder can not satisfy when the tensioning to the conveyer belt is adjusted, realizes the further regulation to the conveyer belt through adjusting the regulation pole, strengthens the flexibility of adjusting the tensioning of conveyer belt.

Optionally, the driving mechanism comprises a driving cylinder and a clamping block, the driving cylinder is fixedly connected to the supporting plate, a telescopic rod of the driving cylinder is horizontally arranged, one end of the clamping block is fixedly connected to an extending end of the telescopic rod of the driving cylinder, the other end of the clamping block is provided with a groove, and the groove can be clamped to the sliding rod.

By adopting the technical scheme, the driving cylinder is started, the telescopic rod pushes the clamping block to enable the sliding rod to be pushed to the side far away from the driving cylinder to move, and therefore the pushing block pushes the rotating roller to move close to the side of the sliding rod to tension the conveying belt.

Optionally, the clamping block is connected with a fastening bolt, an end of which can penetrate through the clamping block and the sliding rod, through a thread.

Through adopting above-mentioned technical scheme, screw up fastening bolt, realize the grip block rigid coupling on the slide bar, guarantee stable regulation conveyer belt until realizing the tensioning.

Optionally, a connecting groove is formed in the end of the supporting plate, the connecting groove is communicated with the long groove, the groove width of the connecting groove is larger than the outer diameter of the adjusting rod, and the adjusting rod can penetrate through the connecting groove.

Through adopting above-mentioned technical scheme, adjust the pole and be connected with the backup pad through the spread groove, be convenient for realize adjusting the pole and slide in spread groove and elongated slot and realize adjusting the tensioning of conveyer belt.

Optionally, a hand wheel is arranged at one end, far away from the rotating roller, of the adjusting rod.

Through adopting above-mentioned technical scheme, rotate the hand wheel, realize adjusting the pole and promote being connected of piece, when needs adjust the regulating rod and operate the conveyer belt tensioning, rotate the hand wheel can, convenient operation.

Optionally, a clamping groove is formed in one end, extending out of the long groove, of the rotating roller, and the end portion of the adjusting rod can be inserted into the clamping groove.

Through adopting above-mentioned technical scheme, adjust the pole and pass through the centre gripping groove and realize the connection to the live-rollers, be convenient for drive through adjusting the pole and promote the piece and support to push away the live-rollers motion and realize the tensioning of conveyer belt and adjust.

Optionally, a limiting groove is formed in the pushing block and is an arc-shaped limiting groove, and the peripheral side face of the end part of the rotating roller can abut against the bottom face of the limiting groove.

Through adopting above-mentioned technical scheme, make live-rollers tip side butt in spacing tank bottom surface, realize promoting the piece fastening and laminate in live-rollers to the stable tensioning of carrying on of conveyer belt and adjust.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the conveying belt is loosened after long-term operation, the driving mechanism drives the sliding rod to move to drive the pushing block to abut against the rotating roller, so that the rotating roller is pushed to move to one side close to the sliding rod, the sliding path of the pushing block is limited by the adjusting rod, the pushing block is enabled to abut against and push the rotating roller to stably slide in the long groove and continuously move towards the sliding rod at the end part of the supporting plate along with the rotating roller, the length of the conveying belt on the rotating roller on the horizontal plane is lengthened until the conveying belt is stably sleeved on the rotating roller, and therefore tensioning adjustment of the conveying belt is achieved;

2. the adjusting rod respectively penetrates through the two threaded passages to be fixedly connected with the sliding rod and the pushing block into a whole, on one hand, the driving cylinder is started, the telescopic rod pushes the clamping block to enable the sliding rod to be pushed to move to the side far away from the driving cylinder, so that the sliding rod drives the adjusting rod and the pushing block to tension and adjust the conveying belt together, on the other hand, when the adjusting stroke of the driving mechanism cannot meet the requirement of tensioning and adjusting the conveying belt, the further adjustment of the conveying belt is realized through adjusting the adjusting rod, and the flexibility of tensioning and adjusting the conveying belt is enhanced;

3. the side face of the end part of the rotating roller is abutted against the bottom face of the limiting groove, the pushing block is tightly attached to the rotating roller, the hand wheel is rotated, the adjusting rod is connected with the pushing block, then the fastening bolt is screwed, the clamping block is fixedly connected to the sliding rod, the stable adjustment of the conveying belt is guaranteed until the tensioning is realized, when the adjusting rod is required to adjust the tensioning operation of the conveying belt, the hand wheel is rotated, and the operation is convenient.

Drawings

Fig. 1 is a schematic overall structure diagram of a belt tensioning device of a sanding machine according to an embodiment of the present disclosure.

Fig. 2 is an exploded view of a sander belt tensioner showing a clamping groove according to an embodiment of the present application.

Description of reference numerals: 1. a frame; 11. a delivery port; 111. a conveying table; 1111. a support plate; 11111. connecting grooves; 11112. a long groove; 1112. a rotating roller; 11121. a clamping groove; 11122. a conveyor belt; 12. fixing the rod; 13. a drive cylinder; 14. a clamping block; 141. a groove; 142. fastening a bolt; 2. adjusting a rod; 21. a hand wheel; 3. a slide bar; 31. a slider; 311. a first threaded passage; 32. a connecting plate; 4. a pushing block; 41. connecting blocks; 411. a second threaded passage; 412. a limiting groove; 42. and a limiting block.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses grinder conveyer belt overspeed device tensioner.

Referring to fig. 1, grinder conveyer belt overspeed device tensioner includes frame 1 of vertical setting, a material delivery port 11 has been seted up along its length direction middle part position to frame 1, level is provided with in the delivery port 11 and carries platform 111, carry platform 111 to include two backup pad 1111 of parallel arrangement each other, backup pad 1111 is square board, it has a plurality of live-rollers 1112 to rotate along its length direction between two backup pads 1111, the cover is equipped with a conveyer belt 11122 on each live-roller 1112, be provided with in the frame 1 and drive the driven actuating mechanism of conveyer belt 11122 (this for prior art no longer redundantly).

Referring to fig. 1 and 2, two end portions of the two support plates 1111 are respectively provided with a connection groove 11111, a length direction of the connection groove 11111 is perpendicular to a length direction of the support plates 1111, the two support plates 1111 are respectively provided with a long groove 11112 along the length direction thereof, the long groove 11112 is communicated with the connection groove 11111, two end portions of a rotation shaft of each of the rotating rollers 1112 can extend out of the two long grooves 11112, one end of each of the rotating rollers 1112 extending out of the long groove 11112 is provided with a clamping groove 11121 along an axial position of the rotating roller 1112.

Referring to fig. 1 and 2, an adjusting rod 2 is horizontally disposed in each elongated slot 11112, one end of the adjusting rod 2 extends out of the connecting slot 11111, the other end of the adjusting rod 2 can penetrate through the clamping slot 11121, one end of the adjusting rod 2 extending out of the connecting slot 11111 is provided with a sliding rod 3, and the sliding rod 3 can abut against the end portion of the supporting plate 1111 in the length direction.

Referring to fig. 1 and 2, slide bar 3 includes a vertical butt in the sliding block 31 of backup pad 1111 tip and a rigid coupling in the connecting plate 32 of sliding block 31 downside, sliding block 31 all is the rectangle with the cross section of connecting plate 32, sliding block 31 can adopt curved surface transitional coupling with the hookup location of connecting plate 32, sliding block 31 corresponds the position of adjusting pole 2 and offers a first screw thread passageway 311 that the level set up, adjust 2 outer peripheral faces of pole and seted up the screw thread along its length direction, it can threaded connection in sliding block 31 to adjust pole 2.

Referring to fig. 1 and 2, one end of the adjusting rod 2 extending out of the clamping groove 11121 is provided with a pushing block 4, the pushing block 4 comprises a connecting block 41 and a limiting block 42, the length direction of the limiting block 42 is perpendicular to the length direction of the supporting plate 1111, the connecting block 41 is arranged in the middle of the limiting block 42, the limiting block 42 can abut against the outer side surface of the supporting plate 1111 in the length direction to block the connecting block 41 from being separated from the elongated groove 11112, so that the cross section of the pushing block 4 is in a T shape of lying on the side, the connecting block 41 can abut against the end of the rotating roller 1112 and slide in the elongated groove 11112, a second horizontally arranged threaded channel 411 is arranged in the middle of the connecting block 41, and one end of the adjusting rod 2 extending out of the clamping groove 11121 is in threaded connection with the pushing block 4 and penetrates through the second threaded channel 411. Two backup pads 1111 all are provided with actuating mechanism with each slide bar 3 on, and actuating mechanism can drive and promote piece 4 and be close to the motion of sliding block 31 one side.

Referring to fig. 1 and 2, the adjusting rod 2 passes through the first threaded passage 311 and the second threaded passage 411 respectively to be connected with the sliding rod 3 and the pushing block 4, when the conveying belt 11122 loosens during long-term operation, the driving mechanism drives the sliding rod 3 to move to drive the pushing block 4 to abut against the rotating roller 1112, so that the rotating roller 1112 is pushed to move to a side close to the sliding rod 3, the sliding path of the pushing block 4 is limited by the adjusting rod 2 to guide the sliding of the pushing block 4, the pushing block 4 abuts against the rotating roller 1112 to stably slide in the elongated slot 11112, and the sliding rod 3 moves along with the rotating roller 1112 towards the end of the supporting plate 1111, the length of the conveying belt 11122 on the rotating roller 1112 in the horizontal plane is elongated until the conveying belt 11122 is stably sleeved on the rotating roller 1112, so as to achieve tensioning adjustment of the conveying belt 11122.

Referring to fig. 1, a fixed rod 12 is vertically fixedly connected to the lower side surface of the end portion of each supporting plate 1111, the cross section of the fixed rod 12 is rectangular, the driving mechanism comprises a driving cylinder 13 and a clamping block 14, the driving cylinder 13 is respectively and fixedly connected to the fixed rod 12 through bolts, the telescopic rod of the driving cylinder 13 is horizontally arranged on one side close to the connecting plate 32, one end of the clamping block 14 is fixedly connected to the extending end of the telescopic rod, a groove 141 is formed in the other end of the clamping block 14, and the groove 141 can be connected to the connecting plate 32 in a clamping mode. Each clamping block 14 is screwed with a fastening bolt 142 having an end portion capable of passing through the clamping block 14 and the slide bar 3.

Referring to fig. 1, the fastening bolt 142 is tightened to realize that the clamping block 14 is stably connected to the connecting plate 32, and when the conveying belt 11122 needs to be tensioned and adjusted, on one hand, the driving cylinder 13 is started, the telescopic rod extends out to push the clamping block 14 to move away from the driving cylinder 13, so that the sliding rod 3 is pushed out to move away from one side of the driving cylinder 13, and at the moment, the sliding rod 3 drives the pushing rod to move together, so that the pushing block 4 pushes the rotating roller 1112 to move close to one side of the connecting groove 11111 until tensioning adjustment of the conveying belt 11122 is realized; on the other hand, when the adjusting stroke of the telescopic rod of the driving cylinder 13 cannot meet the tensioning adjustment of the conveying belt 11122, the further adjustment of the conveying belt 11122 is realized by adjusting the adjusting rod 2, and the flexibility of the tensioning adjustment of the conveying belt 11122 is enhanced.

Referring to fig. 1, a hand wheel 21 is fixedly connected to one end of the adjusting rod 2 extending out of the first threaded passage 311, the hand wheel 21 is rotated to connect the adjusting rod 2 with the pushing block 4, and when the adjusting rod 2 needs to be adjusted to tension the conveying belt 11122, the hand wheel 21 is rotated to enable the adjusting rod 2 to drive the pushing block 4 to move away from one side of the connecting groove 11111, so that the operation is convenient.

Referring to fig. 1 and 2, in order to further realize the stable movement of the pushing blocks 4 against the rotating rollers 1112 and adjust the conveying belt 11122, each pushing block 4 is provided with a limiting groove 412, each limiting groove 412 is an arc-shaped limiting groove 412, the arc ends of the limiting grooves 412 at the two ends of the same rotating roller 1112 are arranged toward the sliding rod 3 at the same side, and one side of each rotating roller 1112 close to the pushing block 4 can abut against the bottom surface of each limiting groove 412.

The implementation principle of the sander conveying belt tensioning device in the embodiment of the application is as follows: after the adjusting rod 2 is respectively and fixedly connected with the sliding rod 3, the end part of the rotating roller 1112 and the pushing block 4 into a whole through threads, the clamping block 14 is fixedly connected on the sliding rod 3 through the fastening bolt 142, on one hand, the driving cylinder 13 is started, the telescopic rod pushes the clamping block 14 to enable the sliding rod 3 to be pushed to the side far away from the driving cylinder 13 to move, and the sliding rod 3 drives the adjusting rod 2 and the pushing block 4 to slide together in the long groove 11112 to tension and adjust the conveying belt 11122; on the other hand, when the adjusting stroke of the driving mechanism cannot meet the requirement of tensioning and adjusting the conveying belt 11122, the hand wheel 21 is rotated, so that the adjusting rod 2 is conveniently adjusted to drive the pushing block 4 to push the rotating roller 1112 to move close to one side of the sliding rod 3, further adjustment of the conveying belt 11122 is realized, and the flexibility of tensioning and adjusting the conveying belt 11122 is enhanced.

And as the rotating roller 1112 continuously moves towards the side of the sliding rod 3 at the end of the supporting plate 1111, the length of the conveying belt 11122 on the rotating roller 1112 in the horizontal plane is elongated until the conveying belt 11122 is stably sleeved on the rotating roller 1112, thereby realizing the tension adjustment of the conveying belt 11122.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a grinder conveyer belt overspeed device tensioner which characterized in that includes:

the two supporting plates (1111) are vertically arranged, the two supporting plates (1111) are oppositely arranged, long grooves (11112) are formed in the two supporting plates (1111) along the length direction of the two supporting plates, a plurality of rotating rollers (1112) rotate in the two long grooves (11112), the two ends of each rotating roller (1112) can extend out of the long grooves (11112), and a conveying belt (11122) is sleeved on each rotating roller (1112);

the sliding rods (3) are vertically arranged, and the sliding rods (3) can be in sliding contact with the end parts of the supporting plate (1111) in the length direction;

the adjusting rod (2) is horizontally arranged, the adjusting rod (2) rotates to the sliding rod (3), the end part of the adjusting rod (2) can penetrate through the end part of the rotating roller (1112), and the adjusting rod (2) can slide in the long groove (11112);

promote piece (4), promote piece (4) slide in elongated slot (11112), promote piece (4) can butt in live-rollers (1112) tip, adjust pole (2) rotate in promote piece (4), backup pad (1111) with be provided with actuating mechanism on slide bar (3), actuating mechanism can drive promote piece (4) are close to slide bar (3) motion.

2. The sander belt tensioner as set forth in claim 1, wherein: the adjusting rod (2) is provided with threads on the outer peripheral surface, the sliding rod (3) and the pushing block (4) correspond to the position of the adjusting rod (2) and are provided with threaded channels, and the adjusting rod (2) is in threaded connection with the pushing block (4) and the sliding rod (3) respectively.

3. The sander belt tensioner as set forth in claim 2, wherein: actuating mechanism includes actuating cylinder (13) and grip block (14), actuating cylinder (13) rigid coupling in backup pad (1111), actuating cylinder (13) telescopic link level sets up, grip block (14) one end rigid coupling in actuating cylinder (13) telescopic link stretches out the end, grip block (14) other end is seted up flutedly (141), recess (141) can the joint in slide bar (3).

4. The sander conveying belt tensioning device of claim 3, wherein: the clamping block (14) is in threaded connection with a fastening bolt (142) of which the end part can penetrate through the clamping block (14) and the sliding rod (3).

5. The sander belt tensioner as set forth in claim 1, wherein: connecting groove (11111) has been seted up to backup pad (1111) tip, connecting groove (11111) intercommunication elongated slot (11112), connecting groove (11111) width of groove is greater than adjust pole (2) external diameter, it can wear to establish to adjust pole (2) connecting groove (11111).

6. The sander belt tensioner as set forth in claim 1, wherein: and a hand wheel (21) is arranged at one end of the adjusting rod (2) far away from the rotating roller (1112).

7. The sander belt tensioner as set forth in claim 1, wherein: one end of the rotating roller (1112) extending out of the long groove (11112) is provided with a clamping groove (11121), and the end part of the adjusting rod (2) can be inserted into the clamping groove (11121).

8. The sander belt tensioner as set forth in claim 1, wherein: the pushing block (4) is provided with a limiting groove (412), the limiting groove (412) is an arc-shaped limiting groove (412), and the peripheral side surface of the end part of the rotating roller (1112) can abut against the bottom surface of the limiting groove (412).