CN212739492U

CN212739492U - Belt tensioning structure of feeding device of rolling wheel machine

Info

Publication number: CN212739492U
Application number: CN202021524067.2U
Authority: CN
Inventors: 戈俊伟; 陈湖平; 尹豪
Original assignee: Changzhou Huashi New Material Technology Co ltd
Current assignee: Changzhou Huashi New Material Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-19
Anticipated expiration: 2030-07-28

Abstract

The belt tensioning structure comprises a conveyor belt body, wherein the conveyor belt body comprises a rack, a belt roller and a belt body, the rack is provided with a tensioning device, and the tensioning device comprises a tensioning roller and a driving assembly for driving the tensioning roller to move; the driving assembly comprises a driving slide rail, the axis of the driving slide rail is perpendicular to the belt roller, a driving slide block is arranged on the driving slide rail in a sliding mode, the tensioning roller is arranged on the driving slide block, the axis of the tensioning roller is parallel to the axis of the belt roller, and the belt body bypasses the tensioning roller; fixed block is fixedly installed at one end of the driving slide rail, a threaded hole is formed in the fixed block, a threaded rod penetrates through the threaded hole, and one end of the threaded rod is rotatably installed on the driving slide block. This application has the difficult tensioning of messenger's belt excessively, improves the effect in belt life-span, and when the belt keeps tight back, during the transported substance material, the material is more for even entering rolling wheel machine, makes the plastic film who rolls out more level and smooth.

Description

Belt tensioning structure of feeding device of rolling wheel machine

Technical Field

The application relates to the field of rolling mills, in particular to a belt tensioning structure of a feeding device of a rolling mill.

Background

At present, the wheel rolling machine is a machine which is mainly used for rolling materials to enable the materials to be smoother, and the use of the wheel rolling machine greatly improves the production efficiency of a factory. The rolling of materials is also an important aspect in the material processing process, and with the development of science and technology, the requirements of people on the rolling mill are higher and higher. When rolling the wheel machine in processing PVC plastic film, need utilize the conveyer belt will follow the material of extruding in the planet extruder and carry to rolling the wheel machine in, when the conveyer belt was carried, need keep the tensioning, otherwise appears the conveyer belt easily and skids, leads to the untimely phenomenon of material transport.

Chinese patent with publication number CN207726170U discloses a conveyer belt tensioning device, including support body, bracing piece and the tensioning roller that is used for the tensioning to carry the thing area, the bracing piece passes tensioning roller axle center, and tensioning roller bracing piece relatively rotates, and the tensioning roller setting is carrying the thing in the area inboard and with carrying the thing and take the laminating, the bracing piece both ends are provided with the slider, offer the spout that supplies the slider to slide on the support body, are connected with the pull-down piece that stimulates the bracing piece downstream on the bracing piece. The belt can be conveniently tensioned, and the slipping phenomenon between the carrying belt and the roller is reduced. However, when the structure is used, the belt is tensioned, which is troublesome, and the phenomenon of over-tensioning of the belt is easy to occur.

With respect to the related art in the above, the inventors consider that there is a drawback that the belt is liable to be over-tensioned, resulting in a reduction in the service life of the belt.

SUMMERY OF THE UTILITY MODEL

In order to make the difficult tensioning of belt excessive, improve belt life, this application provides a rolling machine loading attachment's belt tensioning structure.

The application provides a pair of rolling wheel machine loading attachment's belt tensioning structure adopts following technical scheme:

a belt tensioning structure of a feeding device of a rolling mill comprises a conveyor belt body, wherein the conveyor belt body comprises a rack, a belt roller arranged on the rack and a belt body sleeved on the belt roller; the driving assembly comprises a driving slide rail, the axis of the driving slide rail is perpendicular to the belt roller, a driving slide block is arranged on the driving slide rail in a sliding mode, the tensioning roller is arranged on the driving slide block, the axis of the tensioning roller is parallel to the axis of the belt roller, and the belt body bypasses the tensioning roller; fixed block is fixedly installed at one end of the driving slide rail, a threaded hole is formed in the fixed block, a threaded rod penetrates through the threaded hole, and one end of the threaded rod is rotatably installed on the driving slide block.

Through adopting above-mentioned technical scheme, when the phenomenon of belt body appearance lax, through rotating the threaded rod, make the threaded rod remove for the fixed block, the threaded rod removes for the drive slide rail promptly. One end of the threaded rod is rotatably installed on the driving sliding block, so that the driving sliding block can be driven to move along the driving sliding rail. The threaded rod is when the pivoted, and the distance that every rotation round moved is the distance of a screw thread interval, and is more subtle during the regulation, when adjusting, makes the difficult tensioning of belt excessive to improve belt life. After the belt is kept tight, when materials are conveyed, the materials uniformly enter the rolling wheel machine, so that the rolled plastic film is smoother. The threaded rod can be stopped at any time when being adjusted, the phenomenon of reverse rotation of the threaded rod is not easy to occur, and the structure is more stable.

Preferably, the driving slide rail comprises a driving plate, the driving plate is fixedly mounted on the bottom surface of the rack, the driving plate is perpendicular to the axis of the belt roller, a driving groove is formed in the driving plate, the driving groove is long, and the driving slide block is slidably mounted in the driving groove; the fixed block is fixedly arranged at one end of the driving plate, and the fixed block is adjacent to one end of the driving groove.

Through adopting above-mentioned technical scheme, drive plate simple structure, the cost is lower. And the drive slider is when removing along the drive groove, and the drive slider is held by two relative inside walls of drive groove simultaneously, and its structure is more stable, is difficult for appearing the phenomenon of dislocation.

Preferably, the drive plates are arranged in two blocks, the two drive plates are parallel to each other and are respectively arranged on two sides of the belt body, the two drive grooves are respectively formed in the side faces, close to each other, of the two drive plates, the plane perpendicular to the belt roller is a reference plane, the projections of the two drive plates on the reference plane are overlapped with each other, and the tensioning roller is installed between the two drive sliding blocks.

Through adopting above-mentioned technical scheme, install two drive plates on the bottom surface of frame, and the tensioning roller is installed between two drive sliders, makes the tensioning roller more stable after installing, and the structure is firm. Two protection tensioning rollers that the drive plate can be fine and the belt body of walking around the tensioning roller make tensioning roller and belt body difficult impaired.

Preferably, the fixed block all be located the same end department of drive plate, the threaded rod is located the one end department fixed mounting that the drive plate was kept away from to the fixed block and is rotated the handle, two rotate and install between the handle and make two rotate the synchronous pivoted drive assembly of handle, the direction that the screw thread set up on the threaded rod is the same, drive assembly is including fixed running gear who sets up on the threaded rod, the cover is equipped with and is used for driven hold-in range on two running gear.

Through adopting above-mentioned technical scheme, fixed mounting has a running gear on the threaded rod, and two running gears pass through synchronous belt drive, and after rotating a rotation handle, another rotates the handle and also rotates in the lump, can drive two drive sliders simultaneously and remove in the lump, makes the tensioning roller keep steady in the removal, tensioning belt body that can be stable.

Preferably, the frame on fixed mounting have two protection shields, there is the space at the interval between two protection shields, two protection shields are worn to establish simultaneously to the threaded rod, and install the running gear on the threaded rod and connect the hold-in range of running gear and all be located between two protection shields.

Through adopting above-mentioned technical scheme, through two protection shields centre gripping slewing gear and hold-in range, make slewing gear and hold-in range be difficult for by the collision, fine protection slewing gear and hold-in range have improved the life of slewing gear and hold-in range.

Preferably, the distance between protection shield and another protection shield equals with the thickness of running gear, seted up the gear spout on the lateral wall of threaded rod, the gear spout sets up along the axis of threaded rod, has seted up the gear hole in running gear's center department, the fixed gear slider that is provided with on the inside wall in gear hole, the gear hole is worn to establish by the threaded rod, and the gear slider inlays to be established in the gear spout.

Through adopting above-mentioned technical scheme, when the threaded rod rotated. The gear sliding groove drives the gear sliding block to rotate, so that the rotating gear rotates, and under the clamping of the protection plate, the rotating gear moves along the threaded rod. The distance between the two protection plates is smaller, and the protection effect is better.

Preferably, the drive groove for leading to the groove, the fixed spacing that is provided with on the inside wall in drive groove, the length of spacing equals with the length in drive groove, and spacing sets up along the inside wall in drive groove, has seted up the spacing groove on the side of sliding block and the laminating of drive inslot side wall, when the sliding block inlays to be established at the drive inslot, spacing inlays to be established at the spacing inslot.

Through adopting above-mentioned technical scheme, set up the driving groove into leading to the groove after, people can be light observe the sliding block that sets up in the driving groove, it is more convenient when overhauing. And under the spacing of spacing groove and spacing strip, the phenomenon of position deviation is difficult for appearing in the sliding block, and it is stable to remove.

Preferably, the central line of the driving groove is parallel to the upper surface of the belt body, one end of the driving plate, which is provided with the fixing block, is an adjusting end, and the height of the end, which is far away from the adjusting end, of the driving plate is not higher than the height of the adjusting end.

By adopting the technical scheme, when the conveyor belt body is installed, because the conveyor belt body is used on the rolling mill, the heights of the two ends of the conveyor belt body are usually unequal. Through the regulation end department that will rotate the handle setting at the drive plate, people can more easily bore the conveyer belt downside when adjusting the rotation handle to the rotatory handle that rotates, it is more convenient during the regulation.

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

1. when the belt is adjusted, the belt is not easy to be excessively tensioned, so that the service life of the belt is prolonged, and after the belt is kept tight, materials uniformly enter a rolling wheel machine when conveyed, so that a rolled plastic film is more flat;

2. the structure is simple, and the use and the maintenance are very convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic structural diagram after a part of the rack is hidden.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram of the driving slide rail after one protection plate is used.

Fig. 5 is an enlarged view of a portion B in fig. 4.

Description of reference numerals: 1. a conveyor belt body; 11. a frame; 12. a belt roller; 13. a belt body; 2. driving the slide rail; 21. a drive plate; 22. a drive slot; 221. a limiting strip; 23. driving the slide block; 231. a limiting groove; 24. a tension roller; 3. a fixed block; 31. a threaded hole; 32. a threaded rod; 33. rotating the handle; 4. a rotating gear; 41. a synchronous belt; 42. a gear chute; 43. a gear hole; 44. a gear slider; 45. and (5) protecting the board.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a belt tensioning structure of a feeding device of a rolling wheel machine. Referring to fig. 1 and 2, the belt tensioning structure of the feeding device of the rolling mill comprises a conveyor belt body 1, wherein the conveyor belt body 1 comprises a frame 11, belt rollers 12 installed at two ends of the frame 11 and a belt body 13 sleeved on the belt rollers 12. The height of the two ends of the frame 11 is different.

Referring to fig. 2 and 3, a driving rail 2 as a driving assembly is fixedly mounted on the bottom surface of the frame 11, the driving rail 2 includes two driving plates 21, the driving plates 21 are vertically mounted on the bottom surface of the frame 11, and the driving plates 21 are perpendicular to the axis of the belt roller 12. The two driving plates 21 are respectively positioned at two sides of the belt body 13, a plane perpendicular to the belt roller 12 is used as a reference plane, and the projections of the two driving plates 21 on the reference plane are superposed with each other. The driving plates 21 are respectively provided with a driving groove 22, the driving grooves 22 are through grooves, and the cross sections of the driving grooves 22 are rectangular. The center lines of two short sides in the cross section of the driving groove 22 are parallel to the upper surface of the belt body 13. A driving slider 23 is slidably mounted in the driving groove 22, the width of the driving slider 23 is equal to the width of the driving groove 22, and the length of the driving slider 23 is smaller than the length of the driving groove 22. The limiting strips 221 are welded on the inner side wall of the driving groove 22, and the limiting strips 221 are arranged along the long edge of the driving groove 22. The side face of the driving slider 23, which is attached to the long side of the driving groove 22, is provided with a limiting groove 231, and when the driving slider 23 is slidably mounted in the driving groove 22, the limiting strip 221 is embedded in the limiting groove 231. A tension roller 24 is rotatably installed between the two driving sliders 23, the axis of the tension roller 24 is parallel to the axis of the belt roller 12, and the belt body 13 bypasses the tension roller 24. The driving slide rail 2 further comprises a fixing block 3 fixedly installed at one end of the driving plate 21, and the fixing block 3 is fixedly installed at one end of the driving plate 21 with a high height. A threaded hole 31 penetrating through the fixed block 3 is formed in the fixed block 3, the axis of the threaded hole 31 is collinear with the central lines of two short sides in the cross section of the driving groove 22, a threaded rod 32 penetrates through the threaded hole 31, one end of the threaded rod 32 is located in the driving groove 22 and is rotatably connected with a driving sliding block 23 arranged in the driving groove 22, and a rotating handle 33 is fixedly mounted at the other end of the threaded rod 32.

Referring to fig. 4 and 5, a transmission assembly including a rotary gear 4 mounted on the threaded rod 32 and a timing belt 41 is installed between the two turning handles 33. The thread directions on the two threaded rods 32 are the same, the side walls of the threaded rods 32 are provided with gear sliding grooves 42, and the gear sliding grooves 42 are arranged along the axes of the threaded rods 32. A gear hole 43 is formed in the center of the rotating gear 4, a gear slider 44 with a cross section equal to the cross section of the gear sliding groove 42 is integrally formed on the inner side wall of the gear hole 43, the threaded rod 32 is arranged in the gear hole 43 in a penetrating mode, and the gear slider 44 is embedded in the gear sliding groove 42. The timing belt 41 is sleeved on the rotating gear 4. Referring to fig. 2, two protection plates 45 are fixedly mounted on the bottom surface of the frame 11, the two protection plates 45 are perpendicular to the threaded rod 32, and a gap is formed between the two protection plates 45. Distance between two protection shields 45 equals with turning gear 4's thickness, and two protection shields 45 are worn to establish simultaneously by threaded rod 32, and turning gear 4 and hold-in range 41 all are located between two protection shields 45. As the threaded rod 32 is rotated. The gear runner 42 rotates the gear slider 44, which in turn rotates the rotary gear 4, and the rotary gear 4 moves along the threaded rod 32 under the grip of the protective plate 45. The distance between the two protection plates 45 is smaller, and the protection effect is better.

The application principle of the belt tensioning structure of the feeding device of the rolling wheel machine is as follows: the handle 33 is rotated to drive one of the threaded rods 32 to rotate, and under the action of the transmission assembly, the other threaded rod 32 also synchronously rotates, so that the driving sliders 23 in the two driving grooves 22 are driven to move, and the tensioning roller 24 can stably move. Threaded rod 32 is when the pivoted, and the distance that every turn round moved is the distance of a screw thread interval, and is more subtle during the regulation, when adjusting, makes the difficult tensioning of belt excessive to improve belt life. After the belt is kept tight, when materials are conveyed, the materials uniformly enter the rolling wheel machine, so that the rolled plastic film is smoother. The threaded rod 32 can be stopped at any time during adjustment, the phenomenon that the threaded rod 32 rotates reversely is not easy to occur, and the structure is more stable.

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 rolling wheel machine loading attachment's belt tensioning structure, includes conveyer belt body (1), conveyer belt body (1) include frame (11), install belt roller (12) and cover belt body (13) of establishing on belt roller (12) on frame (11), its characterized in that: the tensioning device is arranged on the frame (11) and comprises a tensioning roller (24) and a driving assembly for driving the tensioning roller (24) to move; the driving assembly comprises a driving slide rail (2), the axis of the driving slide rail (2) is perpendicular to the belt roller (12), a driving slide block (23) is installed on the driving slide rail (2) in a sliding mode, a tension roller (24) is installed on the driving slide block (23), the axis of the tension roller (24) is parallel to the axis of the belt roller (12), and the belt body (13) bypasses the tension roller (24); fixed block (3) are fixedly mounted at one end of drive slide rail (2), threaded hole (31) is formed in fixed block (3), threaded rod (32) penetrates through threaded hole (31), and one end of threaded rod (32) is rotatably mounted on drive slide block (23).

2. The belt tensioning structure of a feeding device of a rolling mill according to claim 1, characterized in that: the driving slide rail (2) comprises a driving plate (21), the driving plate (21) is fixedly installed on the bottom surface of the rack (11), the driving plate (21) is perpendicular to the axis of the belt roller (12), a driving groove (22) is formed in the driving plate (21), the driving groove (22) is long, and a driving slide block (23) is installed in the driving groove (22) in a sliding mode; the fixing block (3) is fixedly arranged at one end of the driving plate (21), and the fixing block (3) is adjacent to one end of the driving groove (22).

3. The belt tensioning structure of a feeding device of a rolling mill according to claim 2, characterized in that: drive plate (21) be provided with two, two drive plate (21) are parallel to each other, and set up respectively in the both sides of belt body (13), set up respectively on the side that two drive plate (21) are close to each other two drive groove (22), the plane of perpendicular to belt roller (12) is the reference surface, two projection of drive plate (21) on the reference surface coincide each other, tensioning roller (24) are installed between two drive slider (23).

4. The belt tensioning structure of a feeding device of a rolling mill according to claim 3, characterized in that: fixed block (3) all be located the same end department of drive plate (21), one end department fixed mounting that drive plate (21) were kept away from in fixed block (3) is located threaded rod (32) has rotation handle (33), two rotate and install between handle (33) and make two rotate handle (33) synchronous rotation's transmission assembly, the direction that the screw thread set up is the same on threaded rod (32), transmission assembly is including fixed running gear (4) that set up on threaded rod (32), the cover is equipped with on two running gear (4) and is used for driven hold-in range (41).

5. The belt tensioning structure of a feeding device of a rolling mill according to claim 4, characterized in that: frame (11) on fixed mounting have two protection shields (45), there is the space at the interval between two protection shields (45), two protection shields (45) are worn to establish simultaneously in threaded rod (32), and install running gear (4) on threaded rod (32) and connect synchronous belt (41) of running gear (4) and all be located between two protection shields (45).

6. The belt tensioning structure of a feeding device of a rolling mill according to claim 5, characterized in that: protection shield (45) and another distance between protection shield (45) equal with the thickness of running gear (4), seted up gear runner (42) on the lateral wall of threaded rod (32), gear runner (42) set up along the axis of threaded rod (32), gear hole (43) have been seted up in the center department of running gear (4), the fixed gear slider (44) that is provided with on the inside wall of gear hole (43), gear hole (43) are worn to establish in threaded rod (32), and gear slider (44) inlay is established in gear runner (42).

7. The belt tensioning structure of a feeding device of a rolling mill according to claim 3, characterized in that: drive groove (22) for leading to the groove, fixed spacing (221) that is provided with on the inside wall in drive groove (22), the length of spacing (221) equals with the length in drive groove (22), and spacing (221) sets up along the inside wall in drive groove (22), spacing groove (231) have been seted up on the side of sliding block and the laminating of drive groove (22) inside wall, the sliding block inlays when establishing in drive groove (22), spacing (221) inlay establishes in spacing groove (231).

8. The belt tensioning structure of a feeding device of a rolling mill according to claim 2, characterized in that: the central line of the driving groove (22) is parallel to the upper surface of the belt body (13), one end of the driving plate (21) provided with the fixing block (3) is an adjusting end, and the height of one end, far away from the adjusting end, of the driving plate (21) is not higher than that of the adjusting end.