CN218947357U

CN218947357U - Clamp and grinding machine

Info

Publication number: CN218947357U
Application number: CN202222988313.5U
Authority: CN
Inventors: 李�浩; 何敬全; 侯争立; 江泽炯; 陈广荣
Original assignee: Zhaoqing Olin Metal Products Co ltd
Current assignee: Zhaoqing Olin Metal Products Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-05-02
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a fixture and discloses a grinding machine with the fixture, wherein the fixture comprises: the clamping assembly comprises a material rack arranged on the sliding table, a supporting rod positioned above the material rack, and a first air cylinder driving the supporting rod to press down, wherein the supporting rod and the material rack clamp a part to be ground up and down; the lifting assembly comprises a limiting block and a second air cylinder driving the limiting block to lift, the limiting block is used for limiting a part to be ground, the limiting block is lifted to be close to the material frame and can limit the part to be ground, and the limiting block is lifted to be away from the material frame and can release the limiting part to be ground; the pushing assembly comprises a pushing block located on one side of the material rack, a material channel located on one side of the material rack away from the pushing block, and a third air cylinder driving the pushing block to horizontally move, wherein the pushing block is used for pushing a part to be ground from the material rack to the material channel. The utility model can replace operators to take out polished parts, so that the parts can be conveniently taken out, and the polishing efficiency is improved.

Description

Clamp and grinding machine

Technical Field

The utility model relates to the technical field of grinding machine structures, in particular to a clamp and a grinding machine.

Background

In investment casting, a molten metal is poured into a mold shell, the molten metal is cooled to obtain a part with a required shape, and then a grinding machine is used for grinding a pouring gate of the part to remove the pouring gate.

Conventionally, a grinding machine comprises a grinding mechanism and a clamping mechanism, wherein the clamping mechanism comprises a clamp, the clamp is used for clamping and fixing a sprue of a part to be ground, the grinding mechanism comprises a grinding wheel and a motor for driving the grinding wheel to rotate, and the grinding wheel is used for grinding the sprue of the part to be ground.

The feeding mechanism is provided with a sliding table, and the sliding table is used for driving the part to be ground to be close to the grinding wheel.

During polishing, an operator clamps the part to be polished in the clamp, then the grinding wheel polishes the pouring gate of the part to be polished, and after polishing, the operator takes out the polished part from the clamp.

However, the temperature of the polished parts is high, operators cannot take out the parts by hands, and the parts are inconvenient to take out by using the tool, so that the polishing efficiency is affected.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the clamp and the grinding machine provided by the utility model can replace operators to take out polished parts, so that the parts can be conveniently taken out, and the polishing efficiency is improved.

The utility model further provides a grinding machine with the fixture.

According to an embodiment of the first aspect of the present utility model, a jig includes: the clamping assembly comprises a material rack arranged on the sliding table, a supporting rod positioned above the material rack, and a first air cylinder driving the supporting rod to press downwards, wherein the material rack is used for bearing a part to be ground, and the supporting rod and the material rack clamp the part to be ground up and down; the lifting assembly comprises a limiting block and a second air cylinder driving the limiting block to lift, the limiting block is used for limiting a part to be ground, the limiting block is lifted to be close to the material frame and can limit the part to be ground, and the limiting block is lifted to be away from the material frame and can release the limiting part to be ground; the pushing assembly comprises a pushing block located on one side of the material rack, a material channel located on one side of the material rack away from the pushing block, and a third air cylinder driving the pushing block to horizontally move, wherein the pushing block is used for pushing a part to be ground from the material rack to the material channel.

According to some embodiments of the utility model, the material channel is arranged obliquely, and the high point of the material channel is arranged in a direction close to the material frame.

According to some embodiments of the utility model, the pushing block comprises a rod part and a strip part connected with the end part of the rod part, wherein the strip part is transversely arranged and used for pushing out a part to be ground.

According to some embodiments of the utility model, the push-out assembly comprises a mounting frame provided with a guiding sleeve, the inner surface of which accommodates the passage of the stem.

According to some embodiments of the utility model, a cross rod is arranged at the telescopic end of the first cylinder, the supporting rod is vertically arranged, a sleeve is arranged at the top of the supporting rod, the sleeve is used for accommodating the cross rod, a locking bolt and a threaded hole screwed with the locking bolt are arranged on the outer surface of the sleeve, and the end part of the locking bolt is abutted against the cross rod.

According to some embodiments of the utility model, the abutting rod is provided with an abutting part, the abutting part is made of rubber, and the abutting part abuts against the part to be ground.

According to some embodiments of the utility model, the telescopic end of the second cylinder is provided with a mounting piece, and the mounting piece is connected with the limiting block through a first bolt.

According to some embodiments of the utility model, the material rack is provided with a first channel extending up and down, and the first channel accommodates the limiting block to pass through.

According to a second aspect of the utility model, a grinding machine comprises a clamp according to any one of the above.

The clamp and the grinding machine provided by the embodiment of the utility model have at least the following beneficial effects:

1. according to the utility model, the workpiece to be ground can be placed on the material frame by arranging the material frame, the abutting rod and the first air cylinder, and then the abutting rod is driven by the first air cylinder to be pressed down, so that the abutting rod and the material frame clamp the workpiece to be ground up and down, and the workpiece to be ground can be clamped, and the grinding wheel can conveniently polish the workpiece to be ground.

2. According to the utility model, the limiting block and the second air cylinder are arranged, and the second air cylinder drives the limiting block, so that the limiting block is positioned above the material frame, the limiting block can polish a part to be polished, the clamping position of a product to be polished is accurate, and the gate position of the part to be polished can be guaranteed to be polished normally.

3. According to the utility model, the pushing block, the material channel and the third cylinder are arranged, the first cylinder drives the abutting rod to ascend, clamping of the polished part is released, the second cylinder drives the limiting block to descend, the limiting block is far away from the polished part, the third cylinder can drive the pushing block to push the polished part out of the polishing position, the polished part slides out of the material channel, and therefore an operator is replaced to take out the polished part from the clamping position, and polishing efficiency is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a fixture and a grinding machine according to an embodiment of the present utility model;

fig. 2 is a schematic view of a clamp and grinder of fig. 1 from another perspective.

Reference numerals: 100-slipway, 110-work or material rest, 120-butt pole, 130-first cylinder, 140-part to be ground, 150-stopper, 160-second cylinder, 170-ejector pad, 180-material way, 190-third cylinder, 200-pole portion, 210-bar portion, 220-mounting bracket, 230-uide bushing, 240-horizontal pole, 250-sleeve, 260-locking bolt, 270-butt portion, 280-mounting piece, 300-first passageway, emery wheel-310.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A jig and a grinding machine according to an embodiment of the present utility model are described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, a fixture and a grinding machine according to an embodiment of the present utility model include a clamping assembly, a lifting assembly, and a pushing assembly.

The clamping assembly comprises a material rack 110 arranged on the sliding table 100, a supporting rod 120 arranged above the material rack 110, and a first air cylinder 130 driving the supporting rod 120 to press downwards, wherein the material rack 110 is used for bearing a part 140 to be ground, and the supporting rod 120 and the material rack 110 are used for clamping the part 140 to be ground up and down.

Therefore, the part 140 to be ground can be placed on the material rack 110, and then the first cylinder 130 drives the abutting rod 120 to press down, so that the abutting rod 120 and the material rack 110 clamp the part 140 to be ground up and down.

In some embodiments of the present utility model, the telescopic end of the first cylinder 130 is provided with a cross rod 240, the supporting rod 120 is vertically arranged, the top of the supporting rod 120 is provided with a sleeve 250, the sleeve 250 accommodates the cross rod 240, the outer surface of the sleeve 250 is provided with a locking bolt 260 and a threaded hole screwed with the locking bolt 260, and the end of the locking bolt 260 is abutted against the cross rod 240.

By arranging the cross rod 240, the sleeve 250 and the locking bolt 260, and loosening the locking bolt 260, the sleeve 250 can move on the cross rod 240, so that the position of the abutting rod 120 can be adjusted, and the abutting of the parts 140 to be ground can be conveniently adapted to different positions.

In some embodiments of the present utility model, the abutting rod 120 is provided with an abutting portion 270, the abutting portion 270 is made of rubber, and the abutting portion 270 abuts against the part 140 to be ground.

By arranging the abutting part 270, the abutting part 270 is made of rubber, so that friction between the abutting part 270 and the part 140 to be ground can be increased, the part 140 to be ground can be firmly clamped by the abutting rod 120 and the material rack 110, and the part 140 to be ground is prevented from flying out in the processing process of the grinding wheel 310.

The lifting assembly comprises a limiting block 150 and a second air cylinder 160 driving the limiting block 150 to lift, wherein the limiting block 150 is used for limiting the part 140 to be ground, the limiting block 150 ascends to be close to the material frame 110 and can limit the part 140 to be ground, the limiting block 150 descends to be far away from the material frame 110 and can release the limiting part 140 to be ground.

Therefore, the second cylinder 160 drives the limiting block 150, so that the limiting block 150 is located above the material rack 110, and the limiting block 150 can polish the part 140 to be polished.

In some embodiments of the present utility model, the material rack 110 is provided with a first channel 300 extending up and down, and the first channel 300 accommodates the stopper 150.

Therefore, when the second cylinder 160 drives the limiting block 150 to lift, the limiting block 150 can pass through the first channel 300, so that the subsequently polished parts can be conveniently ejected.

In some embodiments of the present utility model, the telescopic end of the second cylinder 160 is provided with the mounting member 280, and the mounting member 280 is connected with the limiting block 150 through the first bolt, so by unscrewing the first bolt, the mounting member 280 and the limiting block 150 can be detached, and the limiting block 150 with different sizes can be conveniently replaced, so as to adapt to limiting the parts 140 to be ground with different specifications.

The pushing assembly includes a pushing block 170 located at one side of the material rack 110, a material channel 180 located at one side of the material rack 110 away from the pushing block 170, and a third air cylinder 190 driving the pushing block 170 to move horizontally, wherein the pushing block 170 is used for pushing the part 140 to be ground from the material rack 110 to the material channel 180.

Therefore, the first cylinder 130 drives the abutting rod 120 to ascend to release clamping the polished part, the second cylinder 160 drives the limiting block 150 to descend at the same time, the limiting block 150 is far away from the polished part, and the third cylinder 190 can drive the pushing block 170 to push the polished part out of the polishing position, so that the polished part slides out of the material channel 180.

In some embodiments of the present utility model, the chute 180 is inclined such that the high point of the chute 180 is positioned near the rack 110 so that when the polished part is ejected, it slides down the chute 180 under the force of gravity so that the polished part falls into the external bin.

In some embodiments of the present utility model, the pushing block 170 includes a rod 200, a bar 210 connected to an end of the rod 200, the bar 210 being disposed laterally, the bar 210 being used to push out the part 140 to be ground.

By providing the rod 200 and the bar 210, the rod 200 pushes the bar 210 to move under the action of the third cylinder 190, so that the bar 210 smoothly pushes the part 140 to be ground to the lane 180.

In some embodiments of the present utility model, the push-out assembly includes a mounting frame 220, the mounting frame 220 is provided with a guide sleeve 230, and an inner surface of the guide sleeve 230 receives the rod portion 200 therethrough, so that the rod portion 200 passes through the guide sleeve 230 under the action of the third cylinder 190, thereby allowing the bar portion 210 to move smoothly.

Thus, the present embodiment has the following effects: 1. according to the utility model, the material frame 110, the abutting rod 120 and the first cylinder 130 are arranged, so that the part 140 to be ground can be placed on the material frame 110, and then the abutting rod 120 is driven by the first cylinder 130 to be pressed down, so that the abutting rod 120 and the material frame 110 clamp the part 140 to be ground up and down, and the part 140 to be ground can be clamped, and the grinding wheel 310 can conveniently polish the part 140 to be ground.

2. According to the utility model, the limiting block 150 and the second air cylinder 160 are arranged, and the second air cylinder 160 drives the limiting block 150, so that the limiting block 150 is positioned above the material frame 110, the limiting block 150 can polish the part 140 to be polished, the clamping position of a product to be polished is accurate, and the gate position of the part 140 to be polished can be guaranteed to be polished normally.

3. According to the utility model, the push block 170, the material channel 180 and the third air cylinder 190 are arranged, the first air cylinder 130 drives the abutting rod 120 to ascend to release clamping of the polished part, the second air cylinder 160 drives the limiting block 150 to descend to enable the limiting block 150 to be far away from the polished part, and the third air cylinder 190 can drive the push block 170 to push the polished part out of the polishing position to enable the polished part to slide out of the material channel 180, so that the polished part is taken out of the clamping position instead of an operator, and the polishing efficiency is improved.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A clamp, comprising:

the clamping assembly comprises a material rack (110) arranged on the sliding table (100), a supporting rod (120) arranged above the material rack (110) and a first air cylinder (130) driving the supporting rod (120) to be pressed down, wherein the material rack (110) is used for bearing a part (140) to be ground, and the supporting rod (120) and the material rack (110) clamp the part (140) to be ground up and down;

the lifting assembly comprises a limiting block (150) and a second air cylinder (160) for driving the limiting block (150) to lift, the limiting block (150) is used for limiting a part to be ground (140), the limiting block (150) is lifted to be close to the material frame (110) and can limit the part to be ground (140), and the limiting block (150) is lifted to be away from the material frame (110) and can release the limiting part to be ground (140);

the pushing assembly comprises a pushing block (170) arranged on one side of the material frame (110), a material channel (180) arranged on one side of the material frame (110) away from the pushing block (170), and a third air cylinder (190) for driving the pushing block (170) to horizontally move, wherein the pushing block (170) is used for pushing a part to be ground (140) from the material frame (110) to the material channel (180).

2. A clamp according to claim 1, characterized in that the material channel (180) is arranged obliquely, the high point of the material channel (180) being arranged in a direction close to the material rack (110).

3. A clamp according to claim 1, characterized in that the push block (170) comprises a rod (200), a bar (210) connected to an end of the rod (200), the bar (210) being arranged laterally, the bar (210) being adapted to push out the part (140) to be ground.

4. A clamp according to claim 3, wherein the push-out assembly comprises a mounting frame (220), the mounting frame (220) being provided with a guide sleeve (230), the inner surface of the guide sleeve (230) receiving the stem (200) therethrough.

5. The clamp according to claim 1, wherein a cross rod (240) is arranged at the telescopic end of the first air cylinder (130), the supporting rod (120) is vertically arranged, a sleeve (250) is arranged at the top of the supporting rod (120), the sleeve (250) is used for accommodating the cross rod (240), a locking bolt (260) and a threaded hole screwed with the locking bolt (260) are arranged on the outer surface of the sleeve (250), and the end portion of the locking bolt (260) is abutted to the cross rod (240).

6. The fixture according to claim 1, wherein the abutting rod (120) is provided with an abutting portion (270), the abutting portion (270) is made of rubber, and the abutting portion (270) abuts against the part (140) to be ground.

7. The clamp according to claim 1, characterized in that the telescopic end of the second cylinder (160) is provided with a mounting member (280), and the mounting member (280) is connected with the limiting block (150) through a first bolt.

8. A clamp according to claim 1, characterized in that the material rack (110) is provided with a first channel (300) extending up and down, the first channel (300) accommodating the stopper (150) therethrough.

9. A grinding machine comprising a clamp according to any one of claims 1 to 8.