CN215750362U

CN215750362U - Roller type calendering device for producing PVC sheets

Info

Publication number: CN215750362U
Application number: CN202122215264.7U
Authority: CN
Inventors: 周以广
Original assignee: Suzhou Ruichi New Materials Co ltd
Current assignee: Suzhou Ruichi New Materials Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-08
Anticipated expiration: 2031-09-14

Abstract

The utility model belongs to the technical field of PVC sheet manufacturing, and particularly relates to a roller type calendering device for producing PVC sheets. The calendering device provided by the utility model comprises a bottom plate, a winding device, an adjusting bracket, a fixed roller and an adjusting roller; a pair of adjusting bracket mirror symmetry is fixed in on the bottom plate, and fixed roll and regulating roller erect between the adjusting bracket rotatablely, and coiling mechanism has the detachable wind-up roll, and the PVC sheet is around rolling up on the wind-up roll behind the clearance between fixed roll and the regulating roller. The roller type calendering device for producing the PVC sheet, provided by the utility model, has the advantages of reasonable and compact design, simplicity and convenience in use, capability of finishing continuous calendering operation of the PVC sheet, and higher dimensional accuracy and stability.

Description

Roller type calendering device for producing PVC sheets

Technical Field

The utility model belongs to the technical field of PVC sheet manufacturing, and particularly relates to a roller type calendering device for producing PVC sheets.

Background

The polyvinyl chloride (PVC) material has the characteristics of good processing performance, low manufacturing cost, corrosion resistance, good insulation and the like, thereby having extremely wide application. At present, PVC materials are widely applied to various fields of daily life such as building materials, packaging, electric power, sports equipment, simulated leather and the like.

The PVC sheet calendering manufacturing process has the characteristics of simple operation, small equipment investment, flexible production and the like, is suitable for medium and small scale production modes, and can also be used for large-scale production. However, the PVC sheet calendering equipment has a direct impact on the product quality and production efficiency, which in turn impacts the market competitiveness of the product. At present, the conventional PVC sheet calendering equipment still has a large lifting space in the aspects of stability, convenience in operation and the like.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a roller type calendering device for producing PVC sheets.

The utility model provides a roller type calendering device for producing PVC sheets, which comprises a bottom plate, a winding device, an adjusting bracket, a fixed roller and an adjusting roller; a pair of adjusting bracket mirror symmetry is fixed in on the bottom plate, and fixed roll and regulating roller erect between the adjusting bracket rotatablely, and coiling mechanism has the detachable wind-up roll, and the PVC sheet is around rolling up on the wind-up roll behind the clearance between fixed roll and the regulating roller. The adjusting bracket comprises a fixed bracket, a sliding block, an adjusting bolt, a first bearing and a second bearing; the sliding block is vertically and slidably arranged on the fixed frame, and the adjusting bolt is connected between the sliding block and the fixed frame to adjust the height of the sliding block; each sliding block is fixed with a second bearing, and an adjusting roller is erected between the second bearings; each fixing frame is also fixed with a first bearing, and a fixing roller is erected between the first bearings.

When the PVC sheet winding device is used, the height of the sliding block is adjusted through the adjusting bolt, so that the gap between the fixing roller and the adjusting roller is adjusted, and a PVC sheet is rolled between the fixing roller and the adjusting roller and then wound on the winding roller.

Further, the first bearing is positioned above the second bearing; the fixed frame is provided with an internal thread part, and the sliding block is provided with a bearing part; the upper end of the adjusting bolt is provided with an external thread part which is in threaded fit connection with the internal thread part; the lower end of the adjusting bolt is provided with a pull cap part, and the upper end surface of the pull cap part is connected with the lower end surface of the pull bearing part in a pressing mode. The adjusting bolt is screwed to enable the pull cap part to move upwards or downwards, and the height of the sliding block can be adjusted.

Furthermore, the upper end surface of the pull cap part is provided with radially extending spline teeth, and the lower end surface of the pull bearing part is also provided with radially extending spline teeth. Two flower teeth pressfitting each other prevent that adjusting bolt from spontaneous rotation and arousing product thickness deviation under the vibration action.

Further, the top end of the adjusting bolt is provided with a screwing part, and the cross section of the screwing part is square, so that an operator can apply torsional force to the screwing part for adjusting.

The adjusting support further comprises a pressure spring, the pressure spring is sleeved on the adjusting bolt, the upper end of the pressure spring is in press fit with the inner threaded portion, and the lower end of the pressure spring is in press fit with the tension bearing portion. When the pressure spring is not arranged, the adjusting roller falls to the lowest position under the action of gravity, and after the pressure spring is arranged, the adjusting roller falls to the lowest position under the combined action of gravity and elasticity, so that the gap between the fixed roller and the adjusting roller is more stable.

Furthermore, vertical sliding grooves are formed in two sides of the sliding block, and sliding rails matched with the sliding grooves are arranged on the fixing frame.

Further, the winding device comprises a bracket, a reduction gear box, a motor, a rotating shaft and a winding roller; the support is fixed on the bottom plate, and reduction gear fixes on the support, and motor power connects reduction gear's input, and reduction gear's output is connected in the pivot, and the wind-up roll cover is established in the pivot.

Furthermore, the cross section of the rotating shaft is in a regular hexagon shape, and the winding roller is provided with an inner hexagon through hole matched with the rotating shaft, so that the winding roller can be conveniently sleeved on the rotating shaft and can also be conveniently taken down from the rotating shaft, and the winding roller is convenient to transport.

Further, a power connection portion, preferably a sprocket, is connected to one end of the fixed roller, through which a rotational driving force can be applied to the fixed roller.

Has the advantages that: compared with the prior art, the roller type calendering device for producing the PVC sheets, provided by the utility model, has the advantages of reasonable and compact design, simplicity and convenience in use, capability of finishing continuous calendering operation of the PVC sheets, and higher dimensional accuracy and stability.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the winding device.

Fig. 3 is a schematic diagram of the cooperation among the adjusting bracket, the fixed roller and the adjusting roller.

Fig. 4 is a schematic structural view of the adjusting bracket.

Fig. 5 is a schematic structural view of the adjusting bolt.

Fig. 6 is a cross-sectional view taken along the plane a-a in fig. 4.

In the figure, a base plate 1, a winding device 2, an adjusting bracket 3, a fixed roller 4, an adjusting roller 5, a winding roller 21, a fixed frame 31, a slider 32, an adjusting bolt 33, a first bearing 34, a second bearing 35, an internal thread portion 311, a pull portion 321, an external thread portion 331, a cap pull portion 332, a screwing portion 333, a pressure spring 36, a bracket 22, a reduction gear box 23, a motor 24, a rotating shaft 25, and a power connecting portion 41.

Detailed Description

The utility model is further illustrated by the following examples, which are intended to illustrate the technical solutions of the utility model more clearly and are not to be construed as a limitation.

Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Example 1

A roller type calendering device for producing PVC sheets is shown in figures 1 to 6 and comprises a base plate 1, a rolling device 2, an adjusting bracket 3, a fixed roller 4 and an adjusting roller 5; a pair of adjusting bracket 3 is fixed in on bottom plate 1 mirror symmetry, and fixed roll 4 and adjusting roller 5 erect between adjusting bracket 3 rotatably, and coiling mechanism 2 has detachable wind-up roll 21, and the PVC sheet is around rolling up on wind-up roll 21 after the clearance between fixed roll 4 and adjusting roller 5.

The adjusting bracket 3 comprises a fixed bracket 31, a sliding block 32, an adjusting bolt 33, a first bearing 34 and a second bearing 35; the sliding block 32 is vertically and slidably arranged on the fixed frame 31, and the adjusting bolt 33 is connected between the sliding block 32 and the fixed frame 31 to adjust the height of the sliding block 32; each slide block 32 is fixed with a second bearing 35, and an adjusting roller 5 is arranged between the second bearings 35; each fixing frame 31 is further fixed with a first bearing 34, and a fixing roller 4 is arranged between the first bearings 34.

In this embodiment, the first bearing 34 is located above the second bearing 35; the fixing frame 31 is provided with an internal thread part 311, and the slide block 32 is provided with a bearing part 321; the upper end of the adjusting bolt 33 is provided with an external thread part 331, and the external thread part 331 is in threaded fit connection with the internal thread part 311; the adjusting bolt 33 has a pull cap portion 332 at a lower end thereof, and an upper end surface of the pull cap portion 332 is press-fitted to a lower end surface of the tensile portion 321.

In this embodiment, the upper end surface of the pulling cap portion 332 has radially extending splines, and the lower end surface of the tensile portion 321 also has radially extending splines.

In this embodiment, the adjusting bolt 33 has a screw part 333 at the top end thereof, and the cross section of the screw part 333 is square.

In this embodiment, the adjusting bracket 3 further includes a pressure spring 36, the pressure spring 36 is sleeved on the adjusting bolt 33, the upper end of the pressure spring 36 is pressed with the internal thread portion 311, and the lower end of the pressure spring 36 is pressed with the tensile portion 321.

In this embodiment, two sides of the sliding block 32 have vertical sliding grooves, and the fixing frame 31 has sliding rails matching with the sliding grooves.

In this embodiment, the winding device 2 includes a bracket 22, a reduction gear box 23, a motor 24, a rotating shaft 25, and a winding roller 21; the support 22 is fixed on the bottom plate 1, the reduction gear box 23 is fixed on the support 22, the motor 24 is in power connection with the input end of the reduction gear box 23, the rotating shaft 25 is connected with the output end of the reduction gear box 23, and the winding roller 21 is sleeved on the rotating shaft 25.

In this embodiment, the cross-section of the rotating shaft 25 is regular hexagon, and the wind-up roll 21 has an inner hexagon through hole matched with the rotating shaft 25.

In this embodiment, a power connection portion 41 is further connected to one end of the fixed roller 4, and the power connection portion 41 is a sprocket.

The above embodiments are exemplary only, and are intended to illustrate the technical concept and features of the present invention so that those skilled in the art can understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a roll-type calendering device of production PVC sheet which characterized in that: comprises a bottom plate (1), a winding device (2), an adjusting bracket (3), a fixed roller (4) and an adjusting roller (5); the pair of adjusting supports (3) are fixed on the bottom plate (1) in a mirror symmetry mode, the fixed roller (4) and the adjusting roller (5) are rotatably erected between the adjusting supports (3), the winding device (2) is provided with a detachable winding roller (21), and a PVC sheet is wound on the winding roller (21) after passing through a gap between the fixed roller (4) and the adjusting roller (5);

the adjusting bracket (3) comprises a fixed frame (31), a sliding block (32), an adjusting bolt (33), a first bearing (34) and a second bearing (35); the sliding block (32) is vertically and slidably arranged on the fixed frame (31), and the adjusting bolt (33) is connected between the sliding block (32) and the fixed frame (31) to adjust the height of the sliding block (32); each sliding block (32) is fixed with a second bearing (35), and an adjusting roller (5) is arranged between the second bearings (35); each fixing frame (31) is also fixed with a first bearing (34), and a fixing roller (4) is arranged between the first bearings (34).

2. A roller calendering apparatus for producing PVC sheets according to claim 1, wherein: the first bearing (34) is positioned above the second bearing (35); the fixed frame (31) is provided with an internal thread part (311), and the slide block (32) is provided with a bearing part (321); the upper end of the adjusting bolt (33) is provided with an external thread part (331), and the external thread part (331) is in threaded fit connection with the internal thread part (311); the lower end of the adjusting bolt (33) is provided with a pull cap part (332), and the upper end surface of the pull cap part (332) is connected with the lower end surface of the pull bearing part (321) in a pressing way.

3. A roller calendering apparatus for producing PVC sheets according to claim 2, wherein: the upper end surface of the pull cap part (332) is provided with radially extending spline teeth, and the lower end surface of the pull bearing part (321) is also provided with radially extending spline teeth.

4. A roller calendering apparatus for producing PVC sheets according to claim 2, wherein: the adjusting bolt (33) has a screwing part (333) at the top end, and the cross section of the screwing part (333) is square.

5. A roller calendering apparatus for producing PVC sheets according to claim 2, wherein: the adjusting support (3) further comprises a pressure spring (36), the pressure spring (36) is sleeved on the adjusting bolt (33), the upper end of the pressure spring (36) is pressed with the internal thread portion (311), and the lower end of the pressure spring (36) is pressed with the tensile portion (321).

6. A roller calendering apparatus for producing PVC sheets according to claim 1, wherein: vertical sliding grooves are formed in two sides of the sliding block (32), and sliding rails matched with the sliding grooves are arranged on the fixing frame (31).

7. A roller calendering apparatus for producing PVC sheets according to claim 1, wherein: the winding device (2) comprises a bracket (22), a reduction gear box (23), a motor (24), a rotating shaft (25) and a winding roller (21); support (22) are fixed on bottom plate (1), and reduction gear box (23) are fixed on support (22), and motor (24) power connection reduction gear box's (23) input, and reduction gear box's (23) output is connected in pivot (25), and wind-up roll (21) cover is established on pivot (25).

8. A roller calendering apparatus for producing PVC sheets according to claim 7, wherein: the section of the rotating shaft (25) is in a regular hexagon shape, and the winding roller (21) is provided with an inner hexagon through hole matched with the rotating shaft (25).

9. A roller calendering apparatus for producing PVC sheets according to claim 1, wherein: one end of the fixed roller (4) is also connected with a power connecting part (41), and the power connecting part (41) is a chain wheel.