CN220844659U

CN220844659U - Sand paper cutting mechanism

Info

Publication number: CN220844659U
Application number: CN202322802350.7U
Authority: CN
Inventors: 冷延波
Original assignee: Qingdao Xili Abrasives Co ltd
Current assignee: Qingdao Xili Abrasives Co ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-04-26
Anticipated expiration: 2033-10-19

Abstract

The utility model provides a sand paper cutting mechanism, which relates to the technical field of cutting mechanisms and comprises: the fixing plate and the conveyer body, tensioning assembly is including two fixed blocks, two be close to both sides department between the relative of fixed block all is fixed with the locating wheel. When the abrasive paper needs to be cut, firstly, the abrasive paper is sleeved on the outer surface of the winding roller, the driving motor is started to drive the paper roll to rotate, then one end of the abrasive paper passes through the top of the nearest positioning wheel, the tension of the surface of the abrasive paper is consistent through the tensioning assembly, the abrasive paper is conveyed to the conveying device body to be cut through the cutting knife, and the quality among a plurality of abrasive papers cut by the cutting knife is uniform through the action of the tensioning assembly.

Description

Sand paper cutting mechanism

Technical Field

The utility model relates to the technical field of cutting mechanisms, in particular to a sand paper cutting mechanism.

Background

Sandpaper is a material used for grinding to smooth and clean surfaces of metals, woods and the like, and is generally formed by adhering various grinding sand grains on base paper, and according to different grinding substances, the abrasive paper comprises a plurality of abrasive papers such as diamond abrasive paper, artificial diamond abrasive paper, glass abrasive paper and the like, and a cutting mechanism is required to cut the abrasive paper in the manufacturing process.

But among the prior art, sand paper cutting mechanism all adopts the manual work to place the sand paper in the below of guillootine when cutting the sand paper, and the sand paper cuts under stationary state, probably can be because the tension in each place of sand paper surface unevenness is different and then lead to cutting to accomplish same batch sand paper quality difference, influences the quality of product, consequently, to above not enough, proposes a sand paper cutting mechanism.

Disclosure of utility model

The utility model aims to solve the problem that in the prior art, the quality of finally cut sand paper is different due to the fact that the tension of the sand paper at different positions in the cutting process of the sand paper possibly is different.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a sandpaper cutting mechanism, comprising: the fixed plate and conveyer body, tensioning assembly is including two fixed blocks, two be close to both sides department between the relative of fixed block all is fixed with the locating wheel, one of them the surface mounting of fixed block has the stopper, the top of stopper is provided with the tension value display, another the surface mounting of fixed block has the atress wheel body.

Preferably, one end of the stress wheel body movably penetrates to the outside of the other fixed block, the supporting plate is fixedly arranged on the outer surface of the fixed plate, the top of the supporting plate is provided with a driving motor, an output shaft of the driving motor is fixedly connected with a winding roller, and one end of the winding roller movably penetrates to the outside of the fixed plate.

Preferably, the bottom fixed mounting of conveyer body has the base, the top of conveyer body is provided with presses the subassembly, press the subassembly including the support frame.

Preferably, the inside top surface of support frame is provided with electric telescopic handle, electric telescopic handle's bottom fixed mounting has the clamp plate.

Preferably, the bottom of the supporting frame is fixedly connected with the top of the conveying device body, and a limiting frame is fixed at the position, close to the center, of the top of the conveying device body.

Preferably, an electric push rod is arranged on the inner top surface of the limiting frame, and a cutting knife is fixed at the bottom end of the electric push rod.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. According to the utility model, when the sand paper is required to be cut, firstly, the sand paper is sleeved on the outer surface of the winding roller, the driving motor is started to drive the paper roll to rotate, then one end of the sand paper passes through the top of the nearest positioning wheel, the tension on the surface of the sand paper is consistent through the tensioning assembly, the sand paper is conveyed to the conveying device body to be cut through the cutting knife, the quality among a plurality of sand papers cut by the cutting knife is uniform through the action of the tensioning assembly, and the problem that in the prior art, the sand paper at different positions possibly has different tensions due to the fact that the tension of the sand paper is not tested in the cutting process of the sand paper, so that a large difference exists in the quality of the finally cut sand paper is solved.

2. According to the utility model, when the abrasive paper moves to the surface of the conveying device body, the electric telescopic rod is started to extend, the pressing plate is driven to press the top of the abrasive paper, and the abrasive paper is smoother in cutting through the action of the pressing assembly, so that the accuracy of the abrasive paper cutting process is improved.

Drawings

Fig. 1 is a front perspective view of a sandpaper cutting mechanism in accordance with the present utility model;

FIG. 2 is a side perspective view of a sandpaper cutting mechanism in accordance with the present utility model;

FIG. 3 is a partial perspective view of a tensioning assembly of a sandpaper cutting mechanism in accordance with the present utility model;

fig. 4 is a partial perspective view of a pressing assembly of a sandpaper cutting mechanism in accordance with the present utility model.

Legend description: 1. a fixing plate; 2. a support plate; 3. a driving motor; 4. a wind-up roll; 5. a tensioning assembly; 501. a fixed block; 502. a positioning wheel; 503. a limiting block; 504. a tension value display; 505. a force-bearing wheel body; 6. a base; 7. a transfer device body; 8. a pressing assembly; 801. a support frame; 802. an electric telescopic rod; 803. pressing the plate; 9. a limiting frame; 10. an electric push rod; 11. a cutting knife.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Embodiment 1 as shown in fig. 1 to 4, the present utility model provides a sandpaper cutting mechanism, comprising: the fixed plate 1 and conveyer body 7, tensioning assembly 5 is including two fixed blocks 501, and the department that is close to both sides between the relative of two fixed blocks 501 all is fixed with positioning wheel 502, and the surface fixation of one of them fixed block 501 has stopper 503, and the top of stopper 503 is provided with tension value display 504, and the surface fixation of another fixed block 501 has atress wheel body 505.

The effect achieved in the whole embodiment 1 is that when the sand paper needs to be cut, firstly, the sand paper is sleeved on the outer surface of the wind-up roller 4, the driving motor 3 is started to drive the wind-up roller 4 to rotate, the rotation of the wind-up roller 4 drives the sand paper roll sleeved on the surface of the sand paper roll to rotate, then one end of the sand paper passes through the top of the positioning wheel 502 closest to the sand paper, is wound on the bottom of the stress wheel body 505, and then is wound on the top of the other positioning wheel 502, so that the sand paper is V-shaped on the surface of the tensioning assembly 5, wherein, as shown in fig. 3, the cross sections of the two positioning wheels 502 are both I-shaped, the middle long rod is movably embedded between the short rods with two wider ends, the tension value display 504 is started, the tension value display 504 is electrically connected with the stress wheel body 505, and the working principle of the tension value display 504 is the prior art, not described too much, the tension of the sand paper is displayed by the tension display 504, when a certain Duan Zhangli value difference in the sand paper is larger, a worker can properly adjust the sand paper, the sand paper removed from the tension assembly 5 is conveyed forward by the conveying device body 7, wherein the conveying device body 7 is composed of a conveying belt, a driving wheel and a motor, as shown in fig. 1, the surface of the conveying belt is made of a coarser rubber plastic material, a plurality of inclined grooves are woven on the surface of the conveying belt, the surface of the sand paper is coarser, when the sand paper moves to the surface of the conveying belt, a larger friction force exists between the two sand paper, so that a larger resistance is generated between the two sand paper and the conveying belt, and then the sand paper is driven to move forward when the conveying belt rotates forward, when the sand paper moves to a proper position, the sand paper is elongated by starting the electric push rod 10, and the cutting knife 11 is driven to move downward, and then cut the abrasive paper, cut and accomplish abrasive paper rethread conveyer body 7 and transport to outside collection box in, through the effect of tensioning assembly 5 for the quality between a plurality of abrasive papers that cutting knife 11 tailor is even, has improved the quality of cutting, has solved among the prior art and has not carried out the tensile test at the abrasive paper in cutting the in-process more and have led to the problem that there is the difference probably to have the difference to lead to the abrasive paper quality of cutting out at last in the abrasive paper tensile force of different positions.

1-4, One end of the force-bearing wheel body 505 movably penetrates through the outside of another fixed block 501, a supporting plate 2 is fixedly installed on the outer surface of the fixed plate 1, a driving motor 3 is arranged at the top of the supporting plate 2, a wind-up roller 4 is fixedly connected to an output shaft of the driving motor 3, one end of the wind-up roller 4 movably penetrates through the outside of the fixed plate 1, a base 6 is fixedly installed at the bottom of the conveying device body 7, a pressing assembly 8 is arranged at the top of the conveying device body 7, the pressing assembly 8 comprises a supporting frame 801, an electric telescopic rod 802 is arranged on the inner top surface of the supporting frame 801, a pressing plate 803 is fixedly installed at the bottom end of the electric telescopic rod 802, a limiting frame 9 is fixedly connected with the top of the conveying device body 7, an electric push rod 10 is arranged on the inner top surface of the limiting frame 9, and a cutter 11 is fixedly arranged at the bottom end of the electric push rod 10.

The effect that its whole embodiment 2 reaches is, in order to make the abrasive paper be more level at the surface of cutting out the in-process, reduce the error when cutting out, when abrasive paper removes to the surface of conveyer body 7, start electric telescopic handle 802, make it extend, drive pressing plate 803 move down, wherein, the length of pressing plate 803 is the length of the conveyer belt part in the conveyer body 7 assorted, when pressing plate 803 removes to the top of abrasive paper, close electric telescopic handle 802, wherein pressing plate 803 surface is comparatively smooth, be the metallic iron material, the frictional force between its and the abrasive paper is less than the frictional force between abrasive paper and the conveyer belt far away, so pressing of pressing plate 803 can not bring great influence to the conveying of abrasive paper, through the effect of pressing component 8, make abrasive paper comparatively level at the time of cutting out, the degree of accuracy of abrasive paper cutting out the in-process has been improved.

Working principle: when the sand paper needs to be cut, firstly, the sand paper is sleeved on the outer surface of the wind-up roller 4, the driving motor 3 is started to drive the wind-up roller 4 to rotate, the rotation of the wind-up roller 4 drives the sand paper roll sleeved on the surface of the sand paper to rotate, then one end of the sand paper passes through the top of the positioning wheel 502 closest to the sand paper and is wound on the bottom of the stress wheel body 505, then is wound on the top of the other positioning wheel 502, the sand paper is enabled to be V-shaped on the surface of the tensioning assembly 5, the tension value display 504 is started, the tension of the sand paper is displayed through the tension value display 504, when a certain Duan Zhangli value difference in the sand paper is large, a worker can properly adjust the sand paper, the sand paper removed from the tensioning assembly 5 is conveyed forwards through the conveying device body 7, as shown in figure 1, the surface of the conveying belt is made of rough rubber plastic material, and a plurality of inclined grooves are woven on the surface, the surface of the sand paper is also rough, when the sand paper moves to the surface of the conveyor belt, the sand paper is driven to move forward when the conveyor belt rotates forward due to larger friction force between the two sand paper and the conveyor belt, when the sand paper moves to a proper position, the electric push rod 10 is started to extend, the cutting knife 11 is driven to move downwards, the sand paper is further cut, the cut sand paper is conveyed to an external collecting box through the conveyor body 7, the quality among the plurality of sand paper cut by the cutting knife 11 is uniform under the action of the tensioning component 5, the cutting quality is improved, in order to make the surface of the sand paper smoother in the cutting process, the cutting error is reduced, when the sand paper moves to the surface of the conveyor body 7, the electric telescopic rod 802 is started to extend, the pressing plate 803 is driven to move downwards, when the pressing plate 803 moves to the top of the sand paper, the electric telescopic rod 802 is closed, the surface of the pressing plate 803 is smooth and made of metal iron, the friction force between the pressing plate 803 and the sand paper is far smaller than that between the sand paper and the conveying belt, so that the pressing of the pressing plate 803 can not bring great influence to the conveying of the sand paper, and the sand paper is smooth in cutting through the pressing plate 803.

The wiring diagrams of the driving motor 3, the tension value display, the multi-stage electric telescopic rod 802 and the electric push rod 10 in the present utility model are common knowledge in the art, the working principle thereof is a known technology, and the model thereof is selected to be a proper model according to actual use, so the control mode and wiring arrangement will not be explained in detail for the driving motor 3, the tension value display, the multi-stage electric telescopic rod 802 and the electric push rod 10.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A sandpaper cutting mechanism, comprising:

A fixed plate (1) and a conveyor body (7);

tensioning assembly (5), tensioning assembly (5) are including two fixed blocks (501), two be close to both sides department between the relative of fixed block (501) all is fixed with location wheel (502), one of them the surface mounting of fixed block (501) has stopper (503), the top of stopper (503) is provided with tension value display (504), another the surface mounting of fixed block (501) has atress wheel body (505).

2. A sandpaper cutting mechanism as defined in claim 1, wherein: one end of the stress wheel body (505) movably penetrates through the outside of the other fixed block (501), a supporting plate (2) is fixedly arranged on the outer surface of the fixed plate (1), a driving motor (3) is arranged at the top of the supporting plate (2), a winding roller (4) is fixedly connected with an output shaft of the driving motor (3), and one end of the winding roller (4) movably penetrates through the outside of the fixed plate (1).

3. A sandpaper cutting mechanism as defined in claim 1, wherein: the bottom of conveyer body (7) fixed mounting has base (6), the top of conveyer body (7) is provided with presses subassembly (8), press subassembly (8) are including support frame (801).

4. A sandpaper cutting mechanism as defined in claim 3, wherein: the electric telescopic support is characterized in that an electric telescopic rod (802) is arranged on the inner top surface of the supporting frame (801), and a pressing plate (803) is fixedly arranged at the bottom end of the electric telescopic rod (802).

5. A sandpaper cutting mechanism as defined in claim 3, wherein: the bottom of support frame (801) is fixedly connected with the top of conveyer body (7), the top of conveyer body (7) is close to center department and is fixed with spacing (9).

6. A sandpaper cutting mechanism as defined in claim 5, wherein: an electric push rod (10) is arranged on the inner top surface of the limiting frame (9), and a cutting knife (11) is fixed at the bottom end of the electric push rod (10).