CN221696405U - Belt grinder - Google Patents

Abstract

The utility model discloses a belt grinder, which comprises a base, wherein one side of the upper end of the base is fixedly connected with a support frame, the upper end of the support frame is fixedly connected with a first driving motor, the output end of the first driving motor is fixedly connected with a driving wheel, the support frame is rotatably connected with a driven wheel, the driving wheel and the driven wheel are provided with abrasive belts, the other end of the upper part of the base is fixedly connected with a fixed seat, a movable frame is arranged above the fixed seat, the upper end of the movable frame is provided with a first air cylinder, the extending end of the first air cylinder is fixedly connected with a connecting seat, the abrasive belts can be driven to rotate by the arrangement of the first driving motor, the driving wheel and the driven wheel, so that the polishing operation of objects is realized, and clamping plates at the two ends can be driven to perform relative movement by the arrangement of a handle, a bidirectional screw rod, a first slotting and a first thread block, so that the two ends of a workpiece can be positioned and clamped, and the stability of the workpiece in the polishing process is ensured.

Description

A belt grinder

Technical Field

The utility model relates to the field of belt grinders, in particular to a belt grinder.

Background Art

Abrasive belt grinders are machines that use fast-moving abrasive belts as abrasive tools for grinding and polishing, thereby improving the dimensional accuracy and finish of workpieces. Belt grinding can process workpieces of various shapes with high surface quality and precision requirements;

The Chinese invention patent announcement No. 105196142 applied by the applicant himself provides a belt grinder for grinding and polishing workpieces, and its main components include a vertical moving mechanism and a horizontal moving mechanism, and the vertical moving mechanism includes a vertical slide, a belt adjustment mechanism, a belt driving assembly, and a high-power motor that can drive the belt to rotate. Since the vertical moving mechanism has many parts and heavy weight, in order to improve the rigidity, the material cost is relatively large, and the manufacturing process requirements are high, thereby increasing the overall cost and material cost of the product. For this reason, the following improvements are made: the original vertical moving mechanism is changed into a fixed assembly, and the vertical moving mechanism and the horizontal moving mechanism are placed under the workbench at the same time, which reduces the material and makes the structure simpler.

Utility Model Content

The utility model aims to provide a belt grinder, which solves the problem in the prior art that the vertical moving mechanism has numerous parts and heavy weight, the material cost is relatively large in order to improve the rigidity, and the manufacturing process requires high requirements.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a belt grinder, comprising a base, a support frame is fixedly connected to one side of the upper end of the base, a first driving motor is fixedly connected to the upper end of the support frame, a driving wheel is fixedly connected to the output end of the first driving motor, a driven wheel is rotatably connected to the support frame, and a sanding belt is arranged on the driving wheel and the driven wheel;

The other end above the base is fixedly connected with a fixing seat, a movable frame is arranged above the fixing seat, a first cylinder is arranged at the upper end of the movable frame, and an extending end of the first cylinder is fixedly connected with a connecting seat.

As a further description of the above technical solution: a bidirectional screw is rotatably connected inside the connecting seat, and a handle is fixedly connected to one end of the bidirectional screw.

As a further description of the above technical solution: two first threaded blocks are threadedly connected on the bidirectional screw, a first slot is provided on the connecting seat, and the first threaded block passes through the first slot and a clamp is provided upwardly.

As a further description of the above technical solution: a second cylinder is arranged on one side of the fixing seat, and a second sliding groove is opened inside the fixing seat.

As a further description of the above technical solution: the interior of the second slide groove is slidably connected with a first slider, the extension end of the second cylinder is connected to the first slider, and the upper end of the first slider is fixedly connected to the movable frame.

As a further description of the above technical solution: a first slide groove is opened at both ends of the inner side of the second slide groove, a second slide block is fixedly connected to both ends of the first slide block, and the second slide block is slidably connected to the inside of the first slide groove.

As a further description of the above technical solution: a second driving motor is arranged on one side of the movable frame, a lead screw is arranged inwardly through the output end of the second driving motor, a second threaded block is threadedly connected to the lead screw, a second slot is provided on the movable frame, the upper end of the second threaded block is fixedly connected to the first cylinder, and the four lower ends of the base are fixedly connected to support seats.

The utility model has the following beneficial effects:

1. Compared with the prior art, the belt grinder can drive the abrasive belt to rotate by providing a first driving motor, a driving wheel and a driven wheel, thereby realizing the grinding operation of the object, and can drive the clamping plates at both ends to move relative to each other by providing a handle, a bidirectional screw, a first slot and a first threaded block, so as to position and clamp the two ends of the workpiece, thereby ensuring the stability of the workpiece during the grinding process;

2. Compared with the prior art, this belt grinder can drive the entire positioning assembly to move horizontally by setting a second cylinder, a first slider and a second slide groove, and can drive the positioning assembly to move longitudinally by setting a second drive motor, a lead screw and a second threaded block, thereby realizing grinding operations at different positions of the workpiece and improving the grinding efficiency of the device.

Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

The utility model is further described below in conjunction with the accompanying drawings and embodiments;

FIG1 is a schematic diagram of the overall structure of a belt grinder according to the utility model;

FIG2 is a schematic diagram of the structure of a connecting seat of a belt grinder of the utility model;

FIG3 is a schematic diagram of the structure of a fixed seat of a belt grinder of the utility model;

FIG. 4 is a schematic diagram of the structure of A in FIG. 3 .

Legend:

1. Driving wheel; 2. First driving motor; 3. Support frame; 4. Clamp; 5. Connecting seat; 6. Base; 7. Support seat; 8. First cylinder; 9. Fixed seat; 10. Handle; 11. Driven wheel; 12. Abrasive belt; 13. First slot; 14. Bidirectional screw; 15. First threaded block; 16. Lead screw; 17. Movable frame; 18. Second cylinder; 19. Second threaded block; 20. Second driving motor; 21. Second slot; 22. First slider; 23. Second slider; 24. First slide groove; 25. Second slide groove.

DETAILED DESCRIPTION

This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

1-4, an embodiment of the utility model is provided: a belt grinder, comprising a base 6, a support frame 3 is fixedly connected to one side of the upper end of the base 6, a first drive motor 2 is fixedly connected to the upper end of the support frame 3, a driving wheel 1 is fixedly connected to the output end of the first drive motor 2, the driving wheel 1 can be driven to rotate by starting the first drive motor 2, a driven wheel 11 is rotatably connected to the support frame 3, a sanding belt 12 is arranged on the driving wheel 1 and the driven wheel 11, and the sanding belt 12 can be driven to rotate under the action of the driving wheel 1 and the driven wheel 11, thereby realizing the belt grinding operation of the workpiece;

The other end above the base 6 is fixedly connected with a fixed seat 9, a movable frame 17 is arranged above the fixed seat 9, a first cylinder 8 is arranged at the upper end of the movable frame 17, and an extended end of the first cylinder 8 is fixedly connected with a connecting seat 5. By starting the first cylinder 8 at the bottom, the height of the entire positioning and clamping assembly can be adjusted to ensure that workpieces of different thicknesses can contact the abrasive belt 12;

A bidirectional screw 14 is rotatably connected inside the connecting seat 5, and a handle 10 is fixedly connected to one end of the bidirectional screw 14. Two first threaded blocks 15 are threadedly connected to the bidirectional screw 14. A first slot 13 is provided on the connecting seat 5. The first threaded block 15 penetrates through the first slot 13 and a clamping plate 4 is arranged upward. Rotating the handle 10 at one end can drive the bidirectional screw 14 to rotate. Under the action of the threaded connection, the first threaded block 15 can drive the two clamping plates 4 above to move relative to each other. The clamping plate 4 can position and clamp the workpiece to ensure the stability of the workpiece during grinding.

A second cylinder 18 is provided on one side of the fixed seat 9, a second slide groove 25 is provided inside the fixed seat 9, a first slider 22 is slidably connected inside the second slide groove 25, an extended end of the second cylinder 18 is connected to the first slider 22, an upper end of the first slider 22 is fixedly connected to the movable frame 17, and the first slider 22 inside can be driven to move by starting the second cylinder 18, thereby driving the movable frame 17 and the clamping assembly at the upper end to move laterally;

The second slide groove 25 has first slide grooves 24 at both ends of its inner side, and the first slide block 22 has second slide blocks 23 fixedly connected at both ends. The second slide block 23 is slidably connected to the inside of the first slide groove 24. The first slide groove 24 and the second slide block 23 can ensure the stability of the movable frame 17 when moving.

A second drive motor 20 is arranged on one side of the movable frame 17, and a lead screw 16 is arranged inwardly through the output end of the second drive motor 20, and a second threaded block 19 is threadedly connected to the lead screw 16. A second slot 21 is provided on the movable frame 17, and the upper end of the second threaded block 19 is fixedly connected to the first cylinder 8, and the four lower ends of the base 6 are fixedly connected to the support seat 7. By starting the second drive motor 20, the internal lead screw 16 can be driven to rotate. Under the action of the threaded connection, the second threaded block 19 can drive the upper positioning and clamping assembly to move longitudinally, and the movable assemblies below cooperate with each other to adjust the position of the workpiece, thereby realizing grinding operations at different positions of the workpiece and improving the grinding efficiency of the device.

Working principle: When the device is in use, first place the workpiece to be polished on the connecting seat 5, and rotate the handle 10 at one end to drive the bidirectional screw 14 to rotate. Under the action of the threaded connection, the first threaded block 15 can drive the two upper clamps 4 to move relative to each other. The clamps 4 can be used to position and clamp the workpiece to ensure its stability during polishing. Then, start the first cylinder 8 to drive the connecting seat 5 to lift and lower, ensuring that the workpiece can correspond to the sanding belt 12. Then, start the first drive motor 2 at the upper end to drive the active wheel 1 to rotate, and under the action of the active wheel 1 and the driven wheel 11, the sanding belt 12 can rotate, thereby realizing the belt polishing operation of the workpiece.

The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims (7)

1. The belt grinder comprises a base (6), and is characterized in that a support frame (3) is fixedly connected to one side of the upper end of the base (6), a first driving motor (2) is fixedly connected to the upper end of the support frame (3), a driving wheel (1) is fixedly connected to the output end of the first driving motor (2), a driven wheel (11) is rotatably connected to the support frame (3), and abrasive belts (12) are arranged on the driving wheel (1) and the driven wheel (11);

The novel air conditioner is characterized in that a fixed seat (9) is fixedly connected to the other end of the upper portion of the base (6), a movable frame (17) is arranged above the fixed seat (9), a first air cylinder (8) is arranged at the upper end of the movable frame (17), and a connecting seat (5) is fixedly connected to the extending end of the first air cylinder (8).

2. Belt grinder according to claim 1, characterized in that the inside of the connection seat (5) is rotatably connected with a bidirectional screw (14), one end of the bidirectional screw (14) being fixedly connected with a handle (10).

3. Belt grinder according to claim 2, characterized in that the two-way screw (14) is screwed with two first thread blocks (15), the connecting seat (5) is provided with a first slot (13), and the first thread blocks (15) penetrate through the first slot (13) and are upwards provided with clamping plates (4).

4. Belt grinder according to claim 1, characterized in that a second cylinder (18) is arranged on one side of the fixed seat (9), and a second chute (25) is provided in the fixed seat (9).

5. Belt grinder according to claim 4, characterized in that the second runner (25) is connected with a first slide block (22) in a sliding manner, the extension end of the second cylinder (18) is connected with the first slide block (22), and the upper end of the first slide block (22) is fixedly connected with the movable frame (17).

6. The belt grinder according to claim 5, wherein the first sliding grooves (24) are formed at two ends of the inner side of the second sliding groove (25), the second sliding blocks (23) are fixedly connected to two ends of the first sliding block (22), and the second sliding blocks (23) are slidably connected to the inside of the first sliding grooves (24).

7. The belt grinder according to claim 1, wherein a second driving motor (20) is arranged at one side of the movable frame (17), a lead screw (16) is arranged at the output end of the second driving motor (20) in a penetrating manner, a second thread block (19) is connected to the lead screw (16) in a threaded manner, a second slot (21) is formed in the movable frame (17), the upper end of the second thread block (19) is fixedly connected with the first cylinder (8), and a supporting seat (7) is fixedly connected to the lower four ends of the base (6).