Rubber product edge trimmer

Abstract

The utility model discloses a rubber product edge trimmer, and belongs to the field of rubber forming. According to the technical scheme, the rubber product edge trimmer comprises a workbench, a workpiece clamping assembly and a grinding assembly are arranged on the workbench, the grinding assembly comprises a sliding base, a first rotation driving mechanism is installed on the sliding base, and the output end of the first rotation driving mechanism is connected with a grinding head; the workpiece clamping assembly comprises a front jacking shaft and a rear jacking shaft, and the front jacking shaft and the rear jacking shaft can oppositely jack and clamp a rubber workpiece; the sliding direction of the sliding seat is perpendicular to the axial direction of the front top shaft. The grinding device has the beneficial effects that a workpiece is fixed through the front jacking shaft and the rear jacking shaft, the first rotation driving mechanism drives the grinding head to rotate, an operator controls the sliding base to be close to the working periphery, grinding of workpiece flashes can be completed, the clamping assembly and the sliding base are arranged, the worker can conveniently control the relative position of the workpiece and the grinding head, shaking is avoided, and the working efficiency is improved. Workpieces are prevented from being damaged, and meanwhile working efficiency and safety are improved.

Description

Technical Field

[0001] The utility model relates to the field of rubber molding, in particular to a rubber product trimming machine. Background Art

[0002] Rubber products are made from natural and synthetic rubber through a series of processing techniques. In the automotive and transportation fields, rubber products such as tires, seals, suspension systems and shock absorbers play an important role. They have excellent elasticity and wear resistance, can withstand high pressure and high temperature, and effectively reduce vibration and noise.

[0003] The processing technology of rubber products mainly includes basic processes such as plasticizing, mixing, calendering, extrusion, molding, and vulcanization. Through these processes, the elastic rubber raw materials are turned into semi-finished products with plasticity, and then vulcanized to make them into rubber products with high elasticity and good physical and mechanical properties.

[0004] To prevent rubber shortage during the vulcanization process of rubber products, a certain amount of interference is required for filling the rubber before vulcanization. After the mold is closed and pressurized, the rubber will quickly fill the mold cavity. At this time, the excess rubber overflows on the mold parting surface and the mold cavity gap to form rubber flash. In order to obtain rubber products with good appearance, the flash needs to be trimmed. Manual trimming with a grinder or file on site can easily cause defects in the rubber body of the product, and the trimming efficiency is low, the labor intensity is high, and there are safety hazards. Summary of the invention

[0005] The utility model provides a special rubber product trimming machine to solve the problems that the current manual handheld grinder or file for trimming the flash of rubber parts easily causes the rubber parts to be damaged, and the manual labor intensity is high and the efficiency is low.

[0006] In order to solve the above problems, the technical solution adopted by the utility model is a rubber product trimming machine, including a workbench, on which a workpiece clamping assembly and a grinding assembly are arranged, the grinding assembly includes a slide seat, on which a first rotating drive mechanism is installed, and a grinding head is connected to the output end of the first rotating drive mechanism, the workpiece clamping assembly includes a front top shaft and a rear top shaft, and the front top shaft and the rear top shaft can clamp the rubber workpiece against each other; the sliding direction of the slide seat is perpendicular to the axial direction of the front top shaft. This scheme designs a trimming machine, which fixes the workpiece by the front top shaft and the rear top shaft, and the first rotating drive mechanism drives the grinding head to rotate. The operator controls the slide seat to approach the working periphery to complete the grinding of the workpiece flash. The clamping assembly and the slide seat are provided, which is convenient for the staff to control the relative position of the workpiece and the grinding head, and at the same time avoids shaking, prevents damage to the workpiece, and improves work efficiency and safety.

[0007] Preferably, chucks are provided at the opposite ends of the front top shaft and the rear top shaft, respectively, to improve the fixing effect on the rubber workpiece and improve the versatility.

[0008] Preferably, the workbench is further provided with a second rotation drive mechanism, and the output end of the second rotation drive mechanism is fixedly connected to the rear top shaft. The workpiece and the grinding head rotate simultaneously, further improving the grinding efficiency.

[0009] Preferably, the first rotation drive mechanism includes a first drive motor, a motor mounting plate is provided on the slide, the motor mounting plate is perpendicular to the upper surface of the slide, and the output shaft of the first drive motor passes through the motor mounting plate and is connected to the grinding head.

[0010] Preferably, a grinding head fixing plate is also provided on the slide seat, and the grinding head fixing plate is perpendicular to the upper surface of the slide seat. The grinding head is connected to a rotating shaft, and the rotating shaft passes through the grinding head fixing plate and is connected to a first driven wheel. A first driving wheel is installed on the output shaft of the first driving motor, and a first transmission belt is installed around the first driving wheel and the first driven wheel.

[0011] Preferably, a rear top shaft mounting seat is provided on the table top of the workbench, the rear top shaft is rotatably mounted on the rear top shaft mounting seat, and a second driven wheel is provided at one end of the rear top shaft away from the front top shaft; the second rotation drive mechanism includes a second drive motor, the second drive motor is mounted inside the workbench, a second driving wheel is mounted on the output shaft of the second drive motor, and a second transmission belt is mounted around the second driving wheel and the second driven wheel. The belt drive structure is used as the intermediate drive, which has the ability of slippage buffering, and improves the protection of the workpiece and the safety of operation.

[0012] Preferably, a front top shaft mounting seat is installed on the table top of the workbench, and a through hole is provided on the front top shaft mounting seat. The front top shaft can be rotatably inserted in the through hole. A positioning mechanism is provided between the front top shaft and the workbench, and the chuck is rotatably mounted on the end of the front top shaft through a bearing.

[0013] Preferably, the positioning mechanism includes a slide, a long hole along the axial direction of the front top shaft is opened on the table surface of the workbench, the slide is installed in the long hole through a locking bolt, a positioning pin is provided on the slide, a horizontal plate is fixedly provided on the peripheral side wall of the front top shaft, a pin hole is opened on the horizontal plate, and the positioning pin is inserted into the pin hole. The axial position of the front top shaft can be adjusted and fixed, and workpieces of different lengths can be clamped and fixed, thereby improving versatility.

[0014] Preferably, a telescopic cylinder is provided on the table top of the workbench, and a telescopic rod of the telescopic cylinder is fixedly connected to the slide seat.

[0015] Preferably, a cylinder connecting plate is further provided on the upper surface of the slide seat, the cylinder connecting plate is perpendicular to the upper surface of the slide seat, and the telescopic rod of the cylinder is fixedly connected to the cylinder connecting plate.

[0016] It can be seen from the above technical scheme that the advantages of the utility model are as follows: the scheme provides a trimming machine for rubber products, the device has a clamping assembly for clamping the workpiece against the top and a grinding assembly for grinding the workpiece, the grinding assembly is driven by a cylinder to move stably toward the workpiece to achieve grinding of the workpiece, during the grinding process, the components operate stably, avoiding damage to the workpiece caused by excessive grinding, and at the same time, it is easy to operate, no hand-held operation is required, labor intensity is reduced, and work efficiency and safety are improved; the clamping distance of the clamping assembly and the stroke of the grinding assembly can be flexibly adjusted, which improves the versatility of the grinder, and uses belt drive as the intermediate drive to improve the safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the utility model, the drawings required for use in the description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a specific implementation method of the utility model.

[0019] Figure 2 It is a structural schematic diagram of a workpiece clamping assembly in a specific implementation manner of the utility model.

[0020] Figure 3 It is a schematic structural diagram of a grinding assembly in a specific implementation manner of the utility model.

[0021] Description of main reference numerals

[0022] 1. Workbench, 2. Clamping assembly, 2-1. Front top shaft, 2-2. Rear top shaft, 2-3. Chuck, 3. Grinding assembly, 3-1. Slide, 3-2. First drive motor, 3-3. Grinding head, 4. Rear top shaft mounting seat, 5. Front top shaft mounting seat, 6. Slide, 7. Locating pin, 8. Horizontal plate, 9. Telescopic cylinder, 10. Second drive motor, 11. Limit seat, 12. Rubber workpiece. DETAILED DESCRIPTION

[0023] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the utility model, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0024] like Figure 1 As shown, a rubber product trimming machine includes a workbench 1, the workbench 1 is a table structure, and its table top is the table top of the workbench. The table top of the workbench 1 is provided with a workpiece clamping component 2 and a grinding component 3:

[0025] like Figure 2 As shown, two front top shaft mounting seats 5 are installed on the workbench along the first direction, and the front top shaft mounting seats 5 are provided with through holes. The through holes of the two front top shaft mounting seats 5 are coaxially arranged, and the front top shaft 2-1 is rotatably inserted therein. Along the first direction, a rear top shaft mounting seat 4 is provided behind the front top shaft mounting seat 5, and a rear top shaft 2-2 is rotatably installed on the rear top shaft mounting seat. The rear top shaft 2-2 is coaxially arranged with the front top shaft 2-1, and a positioning mechanism is provided between the front top shaft 2-1 and the workbench 1, so that the front top shaft 2-1 can slide axially in the through holes of the front top shaft mounting seats, and the front top shaft 2-1 can be fixed at a selected position by the positioning mechanism. Specifically, the positioning mechanism includes a slide 6 A long hole along the axial direction of the front top shaft is opened on the table surface of the workbench 1, and the slide 6 is installed in the long hole by a locking bolt. The slide 6 can move along the long hole and lock the position by the locking bolt. A positioning pin 7 is provided on the slide 6. A cross plate 8 is fixedly provided on the peripheral side wall of the front top shaft 2-1, and a pin hole is opened on the cross plate 8. When positioning the front top shaft, the front top shaft is rotated so that the positioning pin 7 is inserted into the pin hole. The opposite ends of the front top shaft 2-1 and the rear top shaft of the front top shaft 2-1 and the rear top shaft 2-2 are respectively provided with chucks 2-3, wherein the front top shaft 2-1 is connected to the chuck on it by a bearing, and the chucks 2-3 are all detachable and replaceable.

[0026] The workbench 1 is also provided with a second rotation driving mechanism, the output end of the second rotation driving mechanism is fixedly connected to the rear top shaft 2-2, and a second driven wheel is provided at the end of the rear top shaft away from the front top shaft; the second rotation driving mechanism includes a second drive motor 10, and the second drive motor 10 is installed inside the workbench 1, and a second driving wheel is installed on the output shaft of the second drive motor 10, and a second transmission belt is installed around the second driving wheel and the second driven wheel.

[0027] like Figure 3As shown, the grinding assembly 3 includes a slide 3-1, and the slide 3-1 is installed on the table surface of the workbench through a guide rail mechanism, and the guiding direction of the guide rail mechanism is perpendicular to the axial direction of the front top shaft. A first rotation drive mechanism is installed on the slide 3-1, and the output end of the first rotation drive mechanism is connected to a grinding head 3-3. The workpiece clamping assembly includes a front top shaft 2-1 and a rear top shaft 2-2, and the front top shaft 2-1 and the rear top shaft 2-2 can clamp the rubber workpiece 12 against each other; the sliding direction of the slide 3-1 is perpendicular to the axial direction of the front top shaft 2-1, and the first rotation drive mechanism includes a first drive motor 2-3. A motor mounting plate is provided on the slide 3-1, and the motor mounting plate is perpendicular to the upper surface of the slide 3-1. The output shaft of the first drive motor passes through the motor mounting plate and is connected to the grinding head 3-3. The slide 3-1 is also provided with a grinding head fixing plate, and the grinding head fixing plate is perpendicular to the upper surface of the slide 3-1. The grinding head is linked with a rotating shaft, and the rotating shaft passes through the grinding head fixing plate and is connected to a first driven wheel. A first driving wheel is installed on the output shaft of the first driving motor, and a first transmission belt is installed around the first driving wheel and the first driven wheel. A telescopic cylinder 9 is provided on the surface of the workbench 1, and a cylinder connecting plate is also provided on the upper surface of the slide 3-1. The cylinder connecting plate is perpendicular to the upper surface of the slide 3-1, and the telescopic rod of the cylinder is fixedly connected to the cylinder connecting plate. A limit seat 11 is also provided on the surface of the workbench, and the limit seat 11 is installed on the surface through a long hole. The limit seat 11 can move in a direction perpendicular to the axial direction of the front top shaft to control the moving distance of the slide.

[0028] When the utility model is in use, the position of the slide is first adjusted according to the axial length of the rubber workpiece 12, so that the distance between the chucks of the front top shaft and the rear top shaft adapts to the length of the workpiece, and the position of the limit seat 11 is adjusted so that the stroke of the cylinder adapts to the outer diameter of the flash of the workpiece, and then the workpiece is clamped between the two chucks, the first and second drive motors are started to rotate the rear top shaft and the grinding head, and then the telescopic cylinder is started to gradually bring the grinding head close to the outer surface of the workpiece to grind the flash.

[0029] It can be seen from the above embodiments that the beneficial effect of the utility model is that the present scheme provides a trimming machine for rubber products, the device has a clamping assembly for clamping the workpiece against the top and a grinding assembly for grinding the workpiece, the grinding assembly is driven by a cylinder to stably move toward the workpiece to achieve grinding of the workpiece, and during the grinding process, the components operate stably to avoid damage to the workpiece caused by excessive grinding. At the same time, it is easy to operate and does not require hand-held operation, which reduces labor intensity and improves work efficiency and safety; the clamping distance of the clamping assembly and the stroke of the grinding assembly can be flexibly adjusted, which improves the versatility of the grinder, and uses belt drive as the intermediate drive to improve the safety of the equipment.

[0030] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rubber product trimming machine, comprising a workbench (1), characterized in that: The workbench (1) is provided with a workpiece clamping assembly (2) and a grinding assembly (3); the grinding assembly (3) comprises a slide seat (3-1); a first rotation drive mechanism is mounted on the slide seat (3-1); an output end of the first rotation drive mechanism is connected to a grinding head (3-3); the workpiece clamping assembly comprises a front top shaft (2-1) and a rear top shaft (2-2); the front top shaft (2-1) and the rear top shaft (2-2) are capable of clamping a rubber workpiece against each other; and the sliding direction of the slide seat (3-1) is perpendicular to the axial direction of the front top shaft (2-1).

2. The rubber product trimming machine according to claim 1, characterized in that: The opposite ends of the front top shaft (2-1) and the rear top shaft are respectively provided with chucks (2-3).

3. The rubber product trimming machine according to claim 1, characterized in that: The workbench (1) is also provided with a second rotation drive mechanism, and the output end of the second rotation drive mechanism is fixedly connected to the rear top shaft (2-2).

4. The rubber product trimming machine according to claim 1, characterized in that: The first rotation drive mechanism comprises a first drive motor (3-2); a motor mounting plate is provided on the slide seat (3-1); the motor mounting plate is perpendicular to the upper surface of the slide seat (3-1); and an output shaft of the first drive motor passes through the motor mounting plate and is connected to the grinding head (3-3).

5. The rubber product trimming machine according to claim 4, characterized in that: The slide seat (3-1) is also provided with a grinding head fixing plate, the grinding head fixing plate is perpendicular to the upper surface of the slide seat (3-1), the grinding head is connected to a rotating shaft, the rotating shaft passes through the grinding head fixing plate and is connected to a first driven wheel, a first driving wheel is installed on the output shaft of the first driving motor, and a first transmission belt is installed around the first driving wheel and the first driven wheel.

6. The rubber product trimming machine according to claim 3, characterized in that: A rear top shaft mounting seat (4) is provided on the table top of the workbench (1), the rear top shaft is rotatably mounted on the rear top shaft mounting seat, and a second driven wheel is provided at one end of the rear top shaft away from the front top shaft; the second rotation drive mechanism comprises a second drive motor (10), the second drive motor (10) is mounted inside the workbench (1), a second driving wheel is mounted on the output shaft of the second drive motor (10), and a second transmission belt is mounted around the second driving wheel and the second driven wheel.

7. The rubber product trimming machine according to claim 2, characterized in that: A front top shaft mounting seat (5) is mounted on the table top of the workbench, a through hole is provided on the front top shaft mounting seat (5), the front top shaft (2-1) is rotatably inserted into the through hole, a positioning mechanism is provided between the front top shaft (2-1) and the workbench, and the chuck (2-3) is rotatably mounted on the end of the front top shaft (2-1) via a bearing.

8. The rubber product trimming machine according to claim 7, characterized in that: The positioning mechanism comprises a slide (6), a long hole along the axial direction of the front top shaft is opened on the table surface of the workbench (1), the slide (6) is installed in the long hole by means of a locking bolt, a positioning pin (7) is provided on the slide (6), a transverse plate (8) is fixedly arranged on the peripheral side wall of the front top shaft (2-1), a pin hole is opened on the transverse plate (8), and the positioning pin (7) is inserted into the pin hole.

9. The rubber product trimming machine according to any one of claims 1 to 8, characterized in that: A telescopic cylinder (9) is provided on the table top of the workbench (1), and a telescopic rod of the telescopic cylinder (9) is fixedly connected to the slide seat (3-1).

10. The rubber product trimming machine according to claim 9, characterized in that: The upper surface of the slide seat (3-1) is also provided with a cylinder connecting plate, the cylinder connecting plate is perpendicular to the upper surface of the slide seat (3-1), and the telescopic rod of the cylinder is fixedly connected to the cylinder connecting plate.

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