CN216686098U

CN216686098U - Driving roller tensioning device

Info

Publication number: CN216686098U
Application number: CN202220350267.3U
Authority: CN
Inventors: 王超
Original assignee: Shandong Zibo Maoyuan Machinery Co ltd
Current assignee: Shandong Zibo Maoyuan Machinery Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-06-07
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses a tensioning device of a driving roller, which comprises a bracket and a roller, wherein the outer surface of the bracket is provided with an adjusting groove, the left side of the inner surface of the adjusting groove is provided with a sliding groove, the inside of the sliding groove is connected with a first sliding block in a sliding way, the outer surface of the right side of the first sliding block is fixedly connected with an adjusting block, one end of the adjusting block, which is far away from the first sliding block, is rotatably connected with the roller through a rotating shaft, the outer surface of the rear end of the bracket penetrates through a rotating rod, and a bearing is fixedly connected with the annular outer surface of the rotating rod. The slack belt is tightened.

Description

Driving roller tensioning device

Technical Field

The utility model relates to the field of rollers, in particular to a tensioning device for a driving roller.

Background

The roller is a cylindrical part and is divided into a driving roller and a driven roller. The transmission system is widely applied to various transmission systems such as rotary screen printers, digital printers, conveying equipment, papermaking and packaging machinery and the like. Usually made of seamless steel tube, and also made of alloy steel cores such as 6061T5, 304L/316L stainless steel, 2205 duplex stainless steel, cast steel and solid forged alloy steel core according to different process requirements.

However, in the prior art, in practical use, after a traditional roller is used for a long time, a conveyor belt on the surface is easy to loosen, or the inner surface of the conveyor belt is worn, so that the roller and the conveyor belt can slip, and normal use of equipment is affected.

Disclosure of Invention

The present invention is directed to a drive roller tensioner that solves the problems set forth above in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a driving roller tensioning device, includes support, roller, the adjustment tank has been seted up to the support surface, the spout has been seted up on adjustment tank internal surface left side, the inside sliding connection of spout has slider one, the right side surface fixedly connected with regulating block of slider one, the one end that slider one was kept away from to the regulating block is rotated through the pivot with the roller and is connected, support rear end surface runs through there is the bull stick, bull stick annular surface fixedly connected with bearing, the bull stick passes through the bearing with the support and rotates to be connected, bull stick front end fixedly connected with screw rod, the inside sliding connection of spout has slider two, slider two right sides fixedly connected with compact heap, the inside thread groove of having run through of compact heap, the screw rod passes thread groove and threaded connection with it, fixedly connected with spring between compact heap and the regulating block.

Preferably, the outer surface of the rotating rod is provided with a clamping groove, the outer surface of the rear end of the support is hinged with a clamping plate at a position corresponding to the clamping groove, and the clamping plate and the clamping groove are matched with each other correspondingly.

Preferably, the number of the clamping grooves is 6, and the clamping grooves are distributed in an annular array by taking the circle center of the rotating rod as a midpoint.

Preferably, the second sliding block and the first sliding block are both in T-shaped structural design and are correspondingly matched with the sliding grooves.

Preferably, the roller moves back and forth along the adjusting groove through the mutual matching of the adjusting block, the first sliding block and the sliding groove.

Preferably, the length of the screw is half of the length of the adjusting groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the conveyor belt is loosened through the mutual matching of the pressing block, the adjusting block and the spring, a user rotates the rotating rod, and the screw rod is driven to rotate under the matching of the bearing, so that the pressing block is driven to move forwards, the spring is further compressed, the elastic force generated by the spring is improved, the spring is forced to push the adjusting block to move forwards under the matching of the first sliding block and the sliding groove, the roller is further driven to move, and the loosened conveyor belt is tightened;

2. the rotating rod is provided with a clamping groove, the clamping groove is arranged on the rotating rod, and the clamping groove is matched with the clamping plate.

Drawings

FIG. 1 is a view of the overall structure of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a longitudinal cross-sectional view of the stent of the present invention;

fig. 4 is a transverse cross-sectional view of the stent of the present invention.

In the figure: 1. a support; 2. an adjustment groove; 3. a roller; 4. an adjusting block; 5. a first sliding block; 6. a chute; 7. a second sliding block; 8. a compression block; 9. a screw; 10. a rotating rod; 12. a spring; 13. a card slot; 14. clamping a plate; 15. a bearing; 16. a thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a tensioning device of a driving roller comprises a support 1 and a roller 3, wherein an adjusting groove 2 is formed in the outer surface of the support 1, a sliding groove 6 is formed in the left side of the inner surface of the adjusting groove 2, a first sliding block 5 is connected to the inside of the sliding groove 6 in a sliding manner, an adjusting block 4 is fixedly connected to the outer surface of the right side of the first sliding block 5, one end, far away from the first sliding block 5, of the adjusting block 4 is rotatably connected with the roller 3 through a rotating shaft, a rotating rod 10 penetrates through the outer surface of the rear end of the support 1, a bearing 15 is fixedly connected to the annular outer surface of the rotating rod 10, the rotating rod 10 is rotatably connected with the support 1 through the bearing 15, a screw rod 9 is fixedly connected to the front end of the rotating rod 10, a second sliding block 7 is connected to the inside of the sliding groove 6 in a sliding manner, a pressing block 8 is fixedly connected to the right side of the second sliding block 7, a thread groove 16 is formed in the pressing block 8 in a penetrating manner, and the screw rod 9 is in a thread connection with the thread groove 16, and a spring 12 is fixedly connected between the pressing block 8 and the adjusting block 4.

Preferably, the outer surface of the rotating rod 10 is provided with clamping grooves 13, clamping plates 14 are hinged to the outer surface of the rear end of the support 1 at positions corresponding to the clamping grooves 13, the clamping plates 14 are correspondingly matched with the clamping grooves 13, the clamping grooves 13 are 6 in number, the clamping plates are distributed in an annular array by taking the circle center of the rotating rod 10 as the midpoint, and the clamping plates 14 can limit the angle of the rotating rod 10.

Preferably, the second sliding block 7 and the first sliding block 5 are both in a T-shaped structural design and are correspondingly matched with the sliding groove 6, so that the guide is provided for the movement of the adjusting block 4 and the pressing block 8.

Preferably, the roller 3 moves back and forth along the adjusting groove 2 through the mutual matching of the adjusting block 4, the sliding block I5 and the sliding groove 6, and the belt is tightened through the movement of the roller 3.

Preferably, the length of the screw 9 is half of the length of the adjusting groove 2, so that the pressing block 8 has enough movement allowance.

The working principle is as follows: when using, when the lax situation appears in the conveyer belt, the user stirs cardboard 14, make its rotation keep away from draw-in groove 13, the rotatory bull stick 10 of user this moment, it is rotatory to drive screw rod 9 under bearing 15's cooperation, thereby drive compact heap 8 forward motion, and then compression spring 12, improve the elasticity that spring 12 produced, force spring 12 to promote regulating block 4 forward motion under the cooperation of slider 5 and spout 6, and then drive roller 3 motion, tighten lax conveyer belt, through the setting of spring 12 and compact heap 8, can adjust spring 12's compressive strength, and then improve roller 3 and carry out the dynamics of tightening to the conveyer belt, after the regulation is accomplished, user's reverse rotation cardboard 14 is spacing bull stick 10 with its card income draw-in groove 13 inside.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drive roller overspeed device tensioner, includes support (1), roller (3), its characterized in that: the outer surface of the support (1) is provided with an adjusting groove (2), the left side of the inner surface of the adjusting groove (2) is provided with a sliding groove (6), the inside of the sliding groove (6) is connected with a first sliding block (5) in a sliding manner, the right side outer surface of the first sliding block (5) is fixedly connected with an adjusting block (4), one end, far away from the first sliding block (5), of the adjusting block (4) is rotatably connected with the roller (3) through a rotating shaft, the outer surface of the rear end of the support (1) penetrates through a rotating rod (10), the annular outer surface of the rotating rod (10) is fixedly connected with a bearing (15), the rotating rod (10) is rotatably connected with the support (1) through the bearing (15), the front end of the rotating rod (10) is fixedly connected with a screw rod (9), the inside of the sliding groove (6) is connected with a second sliding block (7), the right side of the second sliding block (7) is fixedly connected with a pressing block (8), and a thread groove (16) is formed in the pressing block (8) in a penetrating manner, the screw rod (9) penetrates through the thread groove (16) and is in threaded connection with the thread groove, and a spring (12) is fixedly connected between the pressing block (8) and the adjusting block (4).

2. A drive roller tensioner as claimed in claim 1, wherein: the outer surface of the ring of the rotating rod (10) is provided with a clamping groove (13), the outer surface of the rear end of the support (1) is hinged with a clamping plate (14) at a position corresponding to the clamping groove (13), and the clamping plate (14) is correspondingly matched with the clamping groove (13).

3. A drive roller tensioner as claimed in claim 2, wherein: the number of the clamping grooves (13) is 6, and the clamping grooves are distributed in an annular array by taking the circle center of the rotating rod (10) as a midpoint.

4. A drive roller tensioner as claimed in claim 3, wherein: the second sliding block (7) and the first sliding block (5) are both designed to be T-shaped structures and are correspondingly matched with the sliding groove (6) mutually.

5. A drive roller tensioner as claimed in claim 4, wherein: the roller (3) moves back and forth along the adjusting groove (2) through the mutual matching of the adjusting block (4), the first sliding block (5) and the sliding groove (6).

6. A drive roller tensioner according to claim 5, wherein: the length of the screw rod (9) is one half of the length of the adjusting groove (2).