Machining and grinding device for polyurethane products

Abstract

The utility model discloses a machining and grinding device for polyurethane products, and relates to the field of production equipment. The grinding device comprises an operation table erected through a frame, a sliding table is arranged on the operation table in a front-back sliding mode, butt clamp assemblies are assembled on the left side and the right side of the top face of the sliding table, and a grinding roller lifts above the sliding table; a support slides back and forth on the bottom face of the operation table through a sliding rail assembly, and the front side of the support protrudes out of the front end of the operation table, bends and extends to the position above the operation table and is fixedly installed on the bottom face of the sliding table. A dust suction hood with an opening in the front side is fixedly assembled on the rear side of the operation table, the opening of the dust suction hood is higher than the top face of the sliding table, and the dust suction hood communicates with a dust collector. The grinding machine has the advantages that dust generated during grinding is sucked through the dust collector, the dust is smoothly sucked due to the fact that the operation table and the sliding table are obliquely erected, meanwhile, a gap exists between the sliding table and the operation table, the dust is prevented from interfering with sliding of polyurethane products, and machining smoothness and machining precision are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of processing equipment, relates to the field of polyurethane product's processing, specifically relates to a kind of polyurethane product's processing grinding device. BACKGROUND

[0002] As a kind of functional synthetic polymer material, polyurethane product is favored by its wide application field and unique material performance.This kind of product, for example, polyurethane block or polyurethane board, after production forming, usually needs to go through grinding process to ensure the high precision of its shape and size, and optimize the roughness of surface.

[0003] At present, the common grinding equipment when grinding polyurethane block or polyurethane board, the operation mode involves artificial push and pull these materials along the operation table, so that it contacts with grinding roller and completes grinding.However, this method not only has certain operation risk, but also produces dust and other impurities in the grinding process.The scattering of dust not only causes the deterioration of production and processing environment, but also may cause serious harm to employee health.In addition, the accumulation of dust and other impurities on the operation table also affects the smoothness of polyurethane block or polyurethane board, and then has adverse effect on the precision of grinding process.Therefore, the grinding equipment currently used has certain use drawbacks. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of polyurethane product's processing grinding device to solve the technical problem that the scattering and accumulation of dust when grinding will affect polyurethane product grinding process.Dust generated during grinding is sucked by dust collector, and the inclined erection of operation table and sliding table makes dust be sucked smoothly, and there is gap between sliding table and operation table, to avoid dust interfering with the sliding of polyurethane product, ensure processing smoothness and processing precision.

[0005] The utility model adopts the technical scheme: provide a kind of polyurethane product's processing grinding device, including the operation table of frame erection, and operation table is high in front and low in back, and sliding table is slidably arranged on operation table, and the left and right sides of the top surface of sliding table are equipped with clamping assembly, and grinding roller is lifted above sliding table;There is support on the bottom surface of operation table by means of slide rail assembly, and the front end of support protrudes from the front end of operation table, and is bent and extended to the upper side of operation table, and is fixedly installed with the bottom surface of sliding table;Front opening dust hood is fixedly assembled on the rear side of operation table, and the opening height of dust hood is higher than the top surface of sliding table, and dust hood is connected with dust collector.

[0006] After the polyurethane product is placed on the top surface of the sliding table and is clamped by the pair of clamps, the grinding roller is adjusted to the appropriate position, and then the grinding roller is brought into contact with the polyurethane product by pushing and pulling the sliding table to grind the polyurethane product. During the grinding, the dust collector is operated to generate an air flow in the dust cover at the rear side of the operating table, so that the dust and other impurities generated during the grinding process are sucked and collected, avoiding pollution of the working environment by the dust and other impurities. In addition, the operating table and the sliding table are erected in a manner that the front is high and the rear is low, so that the dust and other impurities are easily sucked into the dust cover. Moreover, the support bracket supporting the sliding table and the top surface of the operating table are kept in a gap, and the sliding table and the top surface of the operating table are kept in a gap, so that the dust does not affect the movement of the sliding table, and at the same time, the sliding rail assembly of the support bracket is assembled on the operating table to avoid the dust affecting the operation of the sliding rail assembly, thereby ensuring the safety and reliability of use.

[0007] Further optimization of the technical solution, the frame top front side is erected with a cross beam, the cross beam is driven and installed with a shaft seat on the lifting assembly, the grinding roller is rotatably arranged on the shaft seat, and a power structure is fixedly installed on one side of the shaft seat, and the power structure is drivingly installed with the grinding roller.

[0008] The grinding roller is drivingly installed on the shaft seat and the power structure on the shaft seat to ensure the rotation of the grinding roller, and the cross beam at the top of the frame provides an assembly position for the lifting assembly to drive the grinding roller to ascend and descend.

[0009] Further optimization of the technical solution, the lifting assembly comprises a matched screw rod and nut, the screw rod is rotatably installed with the shaft seat, the nut is fixedly installed with the cross beam, the screw rod is engaged with the nut, and the shaft seat is vertically slidingly assembled with the cross beam by means of the guide assembly.

[0010] The shaft seat assembled with the grinding roller is adjusted in position by the engagement of the screw rod and the nut, and the guide assembly on the shaft seat can ensure the smoothness of the engagement of the screw rod and the nut, and the self-locking engagement of the screw rod and the nut fixes the position of the grinding roller, which is simple to operate and ensures the grinding accuracy.

[0011] Further optimization of the technical solution, the guide assembly comprises at least one straight rod fixedly installed on the shaft seat, the straight rod penetrates upwardly through the cross beam and is slidingly assembled with the cross beam.

[0012] The sliding assembly of the straight rod on the shaft seat and the cross beam ensures the smoothness of the height adjustment of the grinding roller by the engagement of the screw rod and the nut, and the structure is simple, easy to maintain and ensure, and reduces the use cost.

[0013] Further optimization of the technical solution, a connecting handle is rotatably assembled on the shaft seat, a hand wheel is assembled on the connecting handle, and the connecting handle is coaxially assembled with the screw rod.

[0014] After the screw rod is fixedly connected with the connecting handle, the screw rod and the nut are engaged by rotating the connecting handle with the hand wheel, which is more flexible to use.

[0015] Further optimize the technical scheme, the pair of clamp assembly includes two clamps arranged on the left and right sides of the top surface of the sliding table, the front and back sides of the back of the two clamps are hinged with support arms, the free ends of the support arms are hinged with support blocks, and the support blocks are driven to move linearly along the sliding table by the driving member, so as to approach or move away from each other.

[0016] By adjusting the scissors opening and closing of the support arm, the positions of the two clamps are adjusted to approach or move away from each other, so that the polyurethane product is clamped and fixed, and the universality of clamping is achieved, and the operation is simple.

[0017] Further optimize the technical scheme, the driving member includes two bidirectional screws arranged on the left and right sides of the top surface of the sliding table, and the front and back sides of the bidirectional screws are threadedly connected with screw nuts, and the screw nuts are fixedly installed with the assembly blocks.

[0018] The support arms are controlled to approach or separate from each other by the meshing of the bidirectional screws and the screw nuts, so as to drive the support arms to open and close, thereby adjusting the positions of the clamps, which is simple to operate, stable to use, and the meshing of the bidirectional screws and the screw nuts can be self-locking, thereby ensuring the firmness of the clamping of the clamps on the polyurethane product.

[0019] Further optimize the technical scheme, the sliding rail assembly includes a guide rail fixedly installed on the bottom surface of the operation table, and a sliding block is slidably assembled on the guide rail, and the sliding block is fixedly installed with the support.

[0020] The sliding block slides along the guide rail to drive the support to slide along the operation table, which is simple in structure, stable and reliable in use.

[0021] The beneficial effects of the present application are as follows:

[0022] 1. After the polyurethane product is placed on the sliding table, the bidirectional screw is rotated to make the two support blocks approach each other, so as to push the support arms to rotate and push the two clamps to approach each other, thereby clamping the polyurethane product on the sliding table, ensuring the universality of clamping, the meshing of the double-end screw and the screw nut is self-locking, ensuring the firmness of clamping the polyurethane product, ensuring the stability and reliability of grinding;

[0023] 2. When adjusting the grinding height of the grinding roller, the screw is rotated to mesh with the screw nut on the frame beam, thereby adjusting the position of the shaft seat, and the straight rod on the shaft seat is slidably assembled with the frame, ensuring the stability of the shaft seat lifting, and the meshing of the screw and the screw nut is self-locking, fixing the position of the shaft seat, ensuring the grinding precision of the grinding roller, which is simple in structure, convenient to operate and improves the use flexibility;

[0024] 3. When the polyurethane product held on the top surface of the sliding table is brought into contact with the grinding roller for grinding, the vacuum cleaner is running and airflow is generated in the dust hood behind the operating table to suck up the dust during the grinding process, so as to avoid the dust from spreading and damaging the production environment. In addition, the operating table and sliding table are set up with the front higher than the back, so that dust and other impurities fall into the dust hood smoothly and effortlessly.

[0025] 4. The slide table is supported by a bracket above the operating table. There is a gap between the bracket and the operating table, and there is also a gap between the slide table and the operating table. This prevents dust and other contaminants from interfering with the movement of the slide table. At the same time, the guide rails and sliders that ensure the sliding of the bracket are set on the bottom surface of the operating table, thereby preventing dust from interfering with its operation and ensuring the reliability of the equipment operation. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the processing and grinding apparatus for polyurethane products in this embodiment;

[0027] Figure 2 This is a schematic diagram showing the usage state of the processing and grinding apparatus for polyurethane products in this embodiment;

[0028] Figure 3 This is a schematic diagram of the assembly structure of the grinding roller and the bearing seat in this embodiment;

[0029] Figure 4 This is a schematic diagram of the assembly structure of the operating table and the support in this embodiment;

[0030] Figure 5 This is a schematic diagram of the clamp assembly in this embodiment;

[0031] Figure 6 This is a schematic diagram showing the position and structure of the operating table and slide table in this embodiment;

[0032] Figure 7 This is a schematic diagram of the support structure in this embodiment;

[0033] Figure 8 This is a schematic diagram of the assembly structure of the operating table and guide rail in this embodiment.

[0034] In the diagram, 1 is the frame; 101 is the crossbeam; 2 is the operating table; 3 is the slide table; 4 is the clamping assembly; 401 is the chuck; 402 is the support arm; 403 is the support block; 404 is the double-acting lead screw; 5 is the grinding roller; 6 is the bracket; 7 is the dust hood; 8 is the bearing seat; 801 is the power structure; 802 is the connecting handle; 803 is the handwheel; 9 is the lead screw; 10 is the lead nut; 11 is the straight rod; 12 is the guide rail; and 13 is the slider. Detailed Implementation

[0035] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0036] Please refer to the attached Figure 1 and the attached Figures 4-8 , the processing grinding device of polyurethane product, including the operation table 2 erected by the frame 1, the frame 1 can be welded by the square tube, the operation table 2 can be fixed on the frame 1 by riveting, and the operation table 2 is supported and in the posture of high front and low back, the bracket 6 is slid forward and backward on the bottom surface of the operation table 2 by the slide rail assembly, the guide rail 12 of the slide rail assembly is fixedly installed with the bottom surface of the operation table 2, the sliding block 13 slidably assembled on the guide rail 12 is fixedly installed with the bracket 6, so as to ensure the smoothness of the movement of the bracket 6, and the front side of the bracket 6 protrudes from the front end of the operation table 2 and extends above the operation table 2, so that there is a gap between the bracket 6 and the operation table 2, and the slide table 3 is fixedly installed on the bracket 6 to realize the forward and backward sliding of the slide table 3 along the operation table 2;

[0037] Please refer to the attached Figure 1 , the attached Figure 2 , the attached Figure 5 , the left and right sides of the top surface of the slide table 3 are provided with the clamping assembly 4, the clamping assembly 4 includes two clamping heads 401 arranged on the left and right sides of the top surface of the slide table 3, the front and back sides of the back of the two clamping heads 401 are hingedly connected with the supporting arms 402, the free ends of the supporting arms 402 are hingedly connected with the supporting blocks 403, the supporting blocks 403 are driven to move linearly along the slide table 3 by the driving members and approach or move away from each other, the driving members can be two-way screws 404, the two-way screws 404 are two pieces and can be erected on the left and right sides of the top surface of the slide table 3 by the box body with side wall openings, the front ends of the two-way screws 404 are inserted into the box body and protrude from the front side of the slide table 3, so as to be assembled with the handle for rotation, which is more labor-saving and flexible, the nuts matched with the two sides of the two-way screws 404 are fixedly installed with the supporting blocks 403, and the supporting blocks 403 are arranged in the box body and slidably assembled with the box body, so as to ensure the smoothness of the driving of the two-way screws 404, when the two-way screws 404 drive the supporting blocks 403 to approach each other, the supporting arms 402 hingedly connected with the two-way screws 404 push the clamping heads 401 to move to the center line of the slide table 3, so as to make the two clamping heads 401 close to each other, thereby clamping and fixing the polyurethane product, which is simple and convenient to operate and has more versatility;

[0038] Please refer to the attached Figures 1-3The top front side of the frame 1 is provided with a cross beam 101, the shaft seat 8 is driven to lift by the lifting assembly on the cross beam 101, the grinding roller 5 is rotatably assembled on the shaft seat 8, the power structure 801 is fixedly installed on one side of the shaft seat 8, the power structure 801 is drivingly installed with the grinding roller 5 to drive the grinding roller 5 to rotate, the lifting assembly for driving the grinding roller 5 to lift includes the matched screw rod 9 and the nut 10, the connecting handle 802 is rotatably assembled on the top surface of the shaft seat 8, the hand wheel 803 is assembled on the connecting handle 802, the connecting handle 802 is coaxially assembled with the screw rod 9, the screw rod 9 is engaged with the nut 10, the nut 10 is fixedly installed with the cross beam 101, the lifting of the shaft seat 8 can be realized, at the same time, in order to ensure the smoothness of the lifting of the shaft seat 8, the shaft seat 8 is vertically slidably assembled with the cross beam 101 by the guide assembly, the guide assembly includes at least one straight rod 11 fixedly installed on the shaft seat 8, the straight rod 11 penetrates upwardly through the cross beam 101 and is slidably assembled with the cross beam 101, so that the shaft seat 8 is constrained to be lifted smoothly and stably, after the grinding roller 5 is adjusted in place, the engagement of the screw rod 9 and the nut 10 is self-locked to ensure the stability of the position of the grinding roller 5, then the sliding table 3 is pushed and pulled, the polyurethane product is continuously contacted with the grinding roller 5 and is ground;

[0039] Please refer to the attached drawings Figure 1 , the attached drawings Figure 2 The rear side of the operating table 2 is fixedly assembled with the dust cover 7 which is open in front, the opening height of the dust cover 7 is higher than the table surface of the sliding table 3, the dust cover 7 is connected with the dust collector, when the polyurethane product is ground, the airflow is generated in the dust cover 7 to adsorb the dust and other impurities generated in the grinding process, reduce the dust diffusion and ensure the hygiene of the working environment, the sliding table 3 and the support 6 supported thereby are provided with gaps between the top surface of the operating table 2, so that the dust can not interfere with the movement of the sliding table 3, the use stability and reliability are ensured;

[0040] The working principle of the processing grinding device of the polyurethane product is as follows: the polyurethane product to be ground, such as a polyurethane plate, a polyurethane block, etc., is placed on the top surface of the sliding table 3, the two-way screw rod 404 on the two sides is rotated respectively, the two chucks 401 on the clamping assembly 4 are moved close to each other, and the polyurethane product is clamped and positioned. Then, according to the grinding requirement, the connecting handle 802 on the shaft seat 8 is rotated by means of the hand wheel 803, the screw rod 9 is rotated and engaged with the nut 10 on the cross beam 101 of the frame 1, the shaft seat 8 is lifted and lowered, the straight rod 11 on the shaft seat 8 slides along the cross beam 101, the stability and reliability of the lifting and lowering of the shaft seat 8 are ensured. The position of the grinding roller 5 is adjusted by the lifting and lowering of the shaft seat 8, and the engagement of the screw rod 9 and the nut 10 is self-locking, so as to ensure the grinding precision. After the polyurethane product is fixed and the position of the grinding roller 5 is adjusted, the grinding roller 5 is driven to rotate by the power structure 801 on the shaft seat 8, the sliding table 3 is pushed and pulled to make the fixed polyurethane product on the sliding table 3 contact with the grinding roller 5, and the polyurethane product is ground. During the grinding process of the polyurethane product, the dust collector operates to generate airflow in the dust cover 7, the dust generated during the grinding process is absorbed, the inclined support of the operation table 2 to the sliding table 3 makes it easier for dust and impurities to enter the dust cover 7, so as to ensure the hygiene of the production environment and reduce the harm to the health of the operator. And because there is a gap between the support 6, the sliding table 3 and the operation table 2, dust and other impurities are prevented from falling on the operation table 2 and interfering with the sliding of the sliding table 3. At the same time, the guide rail 12 and the sliding block 13 of the support 6 are arranged on the bottom surface of the operation table 2, so as to avoid dust interference with the operation, smooth and flexible use.

Claims

1. A processing grinding device for polyurethane articles, characterized by: The operation table (2) is erected by the frame (1), and the operation table (2) is high in front and low in back. The sliding table (3) slides on the operation table (2) front and back. The opposite clamping assemblies (4) are arranged on the left and right sides of the top surface of the sliding table (3). The grinding roller (5) is lifted above the sliding table (3). The support (6) slides on the bottom surface of the operation table (2) front and back by the sliding rail assembly. The front side of the support (6) protrudes from the front end of the operation table (2) and is bent and extended above the operation table (2) and is fixedly installed with the bottom surface of the sliding table (3). The dust cover (7) with an open front side is fixedly installed on the rear side of the operation table (2). The opening height of the dust cover (7) is higher than the top surface of the sliding table (3), and the dust cover (7) is connected with the dust collector.

2. The apparatus for machining and grinding polyurethane articles according to claim 1, characterized in that: The cross beam (101) is arranged on the front side of the top end of the frame (1). The shaft seat (8) is driven and installed on the cross beam (101) by the lifting assembly. The grinding roller (5) is rotatably arranged on the shaft seat (8). The power structure (801) is fixedly installed on one side of the shaft seat (8). The power structure (801) is drivingly installed with the grinding roller (5).

3. The apparatus for machining and grinding polyurethane articles according to claim 2, characterized in that: The lifting assembly comprises a matched screw rod (9) and a nut (10). The screw rod (9) is rotatably installed with the shaft seat (8). The nut (10) is fixedly installed with the cross beam (101). The screw rod (9) is engaged with the nut (10). The shaft seat (8) is vertically slidingly assembled with the cross beam (101) by the guide assembly.

4. The apparatus for machining and grinding polyurethane articles according to claim 3, characterized in that: The guide assembly comprises at least one straight rod (11) fixedly installed on the shaft seat (8). The straight rod (11) penetrates upwardly through the cross beam (101) and is slidingly assembled with the cross beam (101).

5. The apparatus for machining and grinding polyurethane articles of claim 3, wherein: The connecting handle (802) is rotatably assembled on the shaft seat (8). The hand wheel (803) is assembled on the connecting handle (802). The connecting handle (802) is coaxially assembled with the screw rod (9).

6. The apparatus for machining and grinding polyurethane articles of claim 1, wherein: The opposite clamping assemblies (4) comprise two chucks (401) arranged on the left and right sides of the top surface of the sliding table (3). The front and back sides of the back surface of the two chucks (401) are hingedly connected with the supporting arms (402). The free ends of the supporting arms (402) are hingedly connected with the supporting blocks (403). The supporting blocks (403) are drivingly moved linearly along the sliding table (3) by the driving member, so as to approach or move away from each other.

7. The apparatus for machining and grinding polyurethane articles according to claim 6, characterized in that: The driving member comprises two bidirectional screw rods (404) erected on the left and right sides of the top surface of the sliding table (3). The front and back sides of the bidirectional screw rod (404) are threadedly connected with the nuts (10). The nuts (10) are fixedly installed with the assembled blocks respectively.

8. The apparatus for machining and grinding polyurethane articles of claim 1, wherein: The sliding rail assembly comprises the guide rail (12) fixedly installed with the bottom surface of the operation table (2). The sliding block (13) is slidingly assembled on the guide rail (12). The sliding block (13) is fixedly installed with the support (6).

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