Clamp for grinding machine

Abstract

The utility model relates to the technical field of grinding machine design, in particular to a clamp for a grinding machine. Comprising a circular workbench, and a mounting cavity is formed in the circular workbench; the multiple clamping assemblies are arranged along the peripheral side of the circular workbench; the clamping assembly comprises a clamping rod, a guide seat, a first connecting block, a second connecting block, an elastic belt and a reset spring; the lifting assembly comprises a connecting plate and a lifting driving unit; through the arrangement of the circular workbench, the clamping assembly and the lifting assembly, different types of workpieces can be rapidly and effectively clamped and fixed, frequent manual clamp replacement is reduced, the industrial production efficiency is improved, and the clamping device is suitable for industrial application.

Description

Technical Field

[0001] The utility model relates to the technical field of grinder design, in particular to a clamp for a grinder. Background Art

[0002] A grinder is a machine that grinds the surface of a workpiece using a grinding tool coated or embedded with abrasives. It is mainly used to grind high-precision planes, internal and external cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other surfaces in workpieces.

[0003] The existing grinding machine needs to frequently replace the clamps according to the size of the workpiece to be ground during use, which makes the industrial processing efficiency low and cannot meet the growing industrial demand.

[0004] Therefore, it is necessary to propose a technical means to solve the above defects. Utility Model Content

[0005] The utility model adopts the following technical solutions:

[0006] A clamp for a grinding machine, characterized in that:

[0007] A circular workbench, wherein a mounting cavity is provided in the circular workbench;

[0008] The locking device is a block diagram of a locking device for locking the locking cam of the locking cam, wherein the locking device is a block diagram of a locking cam for locking the locking cam of the locking cam, and the locking device is a block diagram of a locking cam for locking the locking cam of the locking cam.

[0009] A lifting assembly, the lifting assembly includes a connecting plate and a lifting drive unit; the connecting plate is installed in the installation cavity and is located at the center of the circular workbench, and is connected to one end of the elastic band in the plurality of clamping assemblies extending out of the directional slide groove; the lifting drive unit is connected to the connecting plate to drive the connecting plate to rise and fall.

[0010] Preferably, a first avoidance groove for the clamping rod to move is provided on the workbench.

[0011] Preferably, the bottom of the second connecting block extends out of the bottom of the guide seat; and the bottom of the guide seat is provided with a second avoidance groove for the second connecting block to move.

[0012] Preferably, the lifting drive unit includes a screw rod and a servo motor; the screw rod is vertically installed in the middle of the connecting plate; the servo motor is connected to the screw rod to drive the screw rod to rotate.

[0013] Preferably, the clamping assembly also includes an abutment block, a pressure sensor and a cylinder; the abutment block is installed on the side of the second connecting block; the pressure sensor is installed on the side of the abutment block close to the second connecting block; the cylinder is installed on the side of the workbench and is connected to the abutment block to drive the abutment block to move along the center direction of the workbench.

[0014] Preferably, the outer circumference of the clamping rod is covered with elastic cotton.

[0015] The utility model relates to a clamp for a grinding machine, which can quickly and effectively clamp and fix different types of workpieces through the arrangement of a circular worktable, a clamping assembly and a lifting assembly, thereby reducing frequent manual replacement of the clamp, improving industrial production efficiency, and being suitable for industrial applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall schematic diagram of a clamp for a grinding machine of the utility model;

[0017] Figure 2 for Figure 1 The overall schematic diagram after removing some structures;

[0018] Figure 3 It is an overall schematic diagram of a clamping assembly in a clamp for a grinding machine of the utility model. DETAILED DESCRIPTION

[0019] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figures 1 to 3 A clamp for a grinding machine includes a circular worktable 10, in which a mounting cavity 101 is provided; a clamping assembly 20, in which a plurality of clamping assemblies 20 are provided along the circumference of the circular worktable 10; the clamping assembly 20 includes a clamping rod 201, a guide seat 202, a first connecting block 203, a second connecting block 204, an elastic band 205 and a reset spring 206; the clamping rod 201 is provided on the side above the circular worktable 10, and its bottom extends into the mounting cavity 101; the guide seat 202 is installed in the mounting cavity 101, and a guide seat 202 is provided in the guide seat 202. The workbench 10 has a directional slot at the center; the first connecting block 203 is slidably installed in the directional slot, and its upper part is connected to the bottom of the clamping rod 201, so as to drive the clamping rod 201 to move along the center of the circular work when moving along the directional slot; the second connecting block 204 is installed at the bottom of the first connecting block 203; one end of the elastic band 205 is installed at the bottom of the first connecting block 203, and the other end is arranged along the directional slot and extends out of the end of the directional slot; one end of the return spring 206 is connected to the second connecting block 204, and the other end is connected to the inner wall of the mounting cavity 101.

[0023] The lifting assembly 30 includes a connecting plate 301 and a lifting drive unit; the connecting plate 301 is installed in the installation cavity 101 and is located at the center of the circular workbench 10, and is connected to one end of the elastic band 205 in the multiple clamping assemblies 20 that extends out of the directional slide groove; the lifting drive unit is connected to the connecting plate 301 to drive the connecting plate 301 to rise and fall.

[0024] Specifically, in this embodiment, during operation, the tool to be processed is placed above the workbench and is located in the clamping interval formed by the plurality of clamping rods 201, where the lifting drive unit drives the connecting plate 301 downward, and then moves along the direction of the directional slide groove through the elastic band 205, the first connecting block 203, the second connecting block 204 and the clamping rod 201, at which time the reset spring 206 is stretched; when part of the clamping rod 201 abuts against the side of the workpiece to be processed, the lifting plate continues to move downward, where the elastic band 205 is stretched; when the connecting plate 301 descends to a preset height, all the clamping rods 201 abut against the side of the workpiece to be processed, at which time all the elastic bands 205 are stretched, and at this point, the workpiece clamping and fixing is completed; when the workpiece needs to be released, the connecting plate 301 is reset under the drive of the lifting drive unit, and the elastic band 205, the first connecting block 203, the second connecting block 204, and the clamping rod 201 are reset under the drive of the reset spring 206.

[0025] The utility model relates to a clamp for a grinding machine, which can quickly and effectively clamp and fix different types of workpieces through the arrangement of a circular worktable 10, a clamping assembly 20 and a lifting assembly 30, thereby reducing frequent manual replacement of clamps, improving industrial production efficiency, and being suitable for industrial applications.

[0026] In a specific embodiment, the workbench is provided with a first avoidance groove 101 for the clamping rod 201 to move. The bottom of the second connecting block 204 extends out of the bottom of the guide seat 202; the bottom of the guide seat 202 is provided with a second avoidance groove for the second connecting block 204 to move. Specifically, the second avoidance groove is provided to improve the stability of the second connecting block 204 when moving.

[0027] In a specific embodiment, the lifting drive unit includes a screw and a servo motor 302; the screw is vertically installed in the middle of the connecting plate 301; the servo motor 302 is connected to the screw to drive the screw to rotate. Specifically, in this embodiment, when working, the servo motor 302 drives the screw to rotate so that it drives the connecting plate 301 to lift vertically. The clamping assembly 20 also includes an abutment block 207, a pressure sensor and a cylinder 208; the abutment block 207 is installed on the side of the second connecting block 204; the pressure sensor is installed on the side of the abutment block 207 close to the second connecting block 204; the cylinder 208 is installed on the side of the workbench and is connected to the abutment block 207 to drive the abutment block 207 to move along the center direction of the workbench. Specifically, in this embodiment, during operation, when the clamping rod 201 is clamped on the workpiece, the cylinder 208 drives the abutment block 207 to abut against the second connecting block 204, thereby effectively improving the stability of the clamping rod 201 during workpiece processing, thereby improving the processing effect of the workpiece; in addition, the setting of the pressure sensor can effectively control the stroke of the cylinder 208, so that it can effectively drive the abutment block 207 to abut against the second connecting block 204 to prevent it from damaging the second connecting block 204; when the workpiece needs to be released, the cylinder 208 drives the abutment block 207 to reset, and then the lifting assembly 30 and the reset spring 206 are reset.

[0028] In a specific embodiment, the outer periphery of the clamping rod 201 is coated with elastic cotton. In this embodiment, the arrangement of the elastic cotton improves the clamping effect and prevents damage to the workpiece.

[0029] The utility model relates to a clamp for a grinding machine, which can quickly and effectively clamp and fix different types of workpieces through the arrangement of a circular worktable 10, a clamping assembly 20 and a lifting assembly 30, thereby reducing frequent manual replacement of clamps, improving industrial production efficiency, and being suitable for industrial applications.

[0030] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A clamp for a grinding machine, characterized in that: include A circular workbench, wherein a mounting cavity is provided in the circular workbench; The locking device is a block diagram of a locking device for locking the locking cam of the locking cam, wherein the locking device is a block diagram of a locking cam for locking the locking cam of the locking cam, and the locking device is a block diagram of a locking cam for locking the locking cam of the locking cam. A lifting assembly, the lifting assembly includes a connecting plate and a lifting drive unit; the connecting plate is installed in the installation cavity and is located at the center of the circular workbench, and is connected to one end of the elastic band in the plurality of clamping assemblies extending out of the directional slide groove; the lifting drive unit is connected to the connecting plate to drive the connecting plate to rise and fall.

2. A grinder fixture according to claim 1, characterized in that: The workbench is provided with a first avoidance groove for the clamping rod to move.

3. A grinder fixture according to claim 1, characterized in that: The bottom of the second connecting block extends out of the bottom of the guide seat; the bottom of the guide seat is provided with a second avoidance groove for the second connecting block to move.

4. A grinder fixture according to claim 1, characterized in that: The lifting drive unit includes a screw rod and a servo motor; the screw rod is vertically installed in the middle of the connecting plate; the servo motor is connected to the screw rod to drive the screw rod to rotate.

5. A grinder fixture according to claim 1, characterized in that: The clamping assembly also includes an abutment block, a pressure sensor and a cylinder; the abutment block is installed on the side of the second connecting block; the pressure sensor is installed on the side of the abutment block close to the second connecting block; the cylinder is installed on the side of the workbench and is connected to the abutment block to drive the abutment block to move along the center direction of the workbench.

6. A grinder fixture according to claim 1, characterized in that: The outer periphery of the clamping rod is covered with elastic cotton.

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