Fixture for thin film chuck for static disc

Abstract

The utility model discloses a clamp for a thin film chuck for a static disc, which belongs to the technical field of clamping devices and comprises a bottom plate. The upper end of the bottom plate is connected with a clamping mechanism; the upper side of the clamping mechanism is connected with a limiting assembly. An air inlet is formed in the front side of the right end of the baseplate; an air outlet is formed in the rear side of the right end of the baseplate; the right end of the bottom plate is provided with a pressure detection port. The clamping mechanism comprises a driving assembly and a film chuck, and the driving assembly is connected to the upper end of the bottom plate; the film chuck is connected to the upper end of the driving assembly. By means of the mode, the static disc is limited through the limiting assembly, at the moment, ventilation is conducted on the inner side of the driving assembly through the air inlet, the driving assembly is driven by air pressure to drive the thin film chuck to internally support and clamp the static disc, and therefore clamping of the static disc is achieved; the gas inside the driving assembly is exhausted through the gas outlet, the gas pressure inside the driving assembly disappears, and clamping and fixing of the static disc are relieved; uniform force is generated through the film chuck to clamp the static disc, damage to the static disc can be reduced, and the service life of the static disc is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping device technical field, concretely relates to film chuck for static disc. BACKGROUND

[0002] In the clamping device technical field, the industry prospect of static disc clamping fixture is broad, along with the development of manufacturing industry to high precision, intelligent, automation, static disc clamping fixture as the key tool of guaranteeing processing quality and efficiency, market demand continues to grow.

[0003] Chinese patent CN213561265U discloses a kind of static scroll disc machining clamping fixture, including bottom plate and the convex plate of being movably embedded in bottom plate inside, the outside of convex plate is provided with multiple hydraulic cylinders, hydraulic cylinder is arranged on the upper portion of bottom plate, the output shaft of hydraulic cylinder is connected with piston rod, and the first connecting rod is hinged to the one end of piston rod, the clamping block is connected to the one end of first connecting rod, the second connecting rod is hinged to the inner wall of first connecting rod, and multiple positioning pins are arranged on the upper portion of convex plate.But this clamping fixture still has the following problems:

[0004] The clamping fixture moves forward to realize the clamping of static scroll disc by the piston rod of hydraulic cylinder to push clamping block, but the force of static scroll disc clamped by piston rod is prone to uneven and unstable, which can easily damage static scroll disc and affect the service life of static scroll disc.

[0005] Therefore, the utility model discloses a kind of film chuck for static disc clamping fixtures to solve the above problems. UTILITY MODEL CONTENTS

[0006] In view of the above shortcomings of prior art, the utility model provides a film chuck for static disc clamping fixture.

[0007] To achieve the above object, the utility model is realized by the following technical scheme:

[0008] Film chuck for static disc clamping fixture, including bottom plate;

[0009] The bottom plate is connected with clamping mechanism for clamping static disc on the upper end;Limiting assembly for limiting static disc is connected on the upper side of clamping mechanism;Air inlet is arranged on the right end front side of bottom plate;Air outlet is arranged on the right end rear side of bottom plate;Pressure detection port is arranged on the right end of bottom plate;

[0010] The clamping mechanism includes driving assembly and film chuck, and the driving assembly for driving film chuck to support and clamp static disc is connected on the upper end of bottom plate;Film chuck for clamping static disc is connected on the upper end of driving assembly.

[0011] Further, the driving assembly comprises a base plate, a connecting plate, an air guide pipe, a limiting pin and a driving block, the base plate is fixedly connected to the upper end of the bottom plate, the connecting plate is fixedly connected to the upper end of the base plate, the upper end of the air guide pipe penetrates through the connecting plate, the lower end of the air guide pipe penetrates through the base plate and is fixedly connected to the bottom plate, the air guide pipe is communicated with the air inlet and the air outlet through the pipeline, a plurality of limiting pins are fixedly connected to the upper end of the connecting plate, the lower end of the driving block is abutted with the upper end of the limiting pin, and an inclined surface one is arranged on the upper end of the driving block.

[0012] Further, the limiting pins are arranged in a uniform circumferential array.

[0013] Further, the thin film chuck comprises a disc body, a thin film sheet and a limiting block, the disc body is fixedly connected to the upper end of the connecting plate, a plurality of thin film sheets arranged in a uniform circumferential array are fixedly connected to the upper end of the disc body, the upper end of the thin film chuck is fixedly connected to the limiting block, and the outer side wall of the limiting block is arranged as a circular arc.

[0014] Further, the thin film sheet is made of polyurethane material.

[0015] Further, the inner side of the limiting block is provided with an inclined surface two matched with the inclined surface one.

[0016] Further, the disc body is provided with an air inlet chamber in the inner side.

[0017] Further, the limiting assembly comprises a limiting disc, a rhombic positioning pin and a positioning block, the limiting disc is fixedly connected to the upper end of the disc body, the upper end of the limiting disc is fixedly connected with the rhombic positioning pin inserted into the static disc, and the upper end of the driving block is fixedly connected with the positioning block limiting the spiral part of the static disc.

[0018] Compared with the prior art, the utility model has the advantages that: the static disc is limited by the limiting assembly, at this time, the driving assembly is ventilated through the air inlet, the gas pressure drives the driving assembly to drive the thin film chuck to hold the static disc, thereby realizing the holding of the static disc, the gas in the driving assembly is discharged through the air outlet, the gas pressure in the driving assembly disappears, and the holding and fixing of the static disc are released, the static disc is held by the uniform force generated by the thin film chuck, the damage to the static disc is reduced, and the service life of the static disc is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is the perspective view of the static disc of the utility model;

[0021] Figure 2 It is the perspective view of the fixture for the film chuck for the static disc of the utility model;

[0022] Figure 3 It is the front view of the fixture for the film chuck for the static disc of the utility model;

[0023] Figure 4 It is the right view of the fixture for the film chuck for the static disc of the utility model;

[0024] Figure 5 It is Figure 2 The enlarged view of B;

[0025] Figure 6 It is the perspective view of cutting off a part along A-A of Figure 4

[0026] Figure 7 It is the explosion view of the fixture for the film chuck for the static disc of the utility model.

[0027] The reference numerals in the drawing respectively represent:

[0028] 11, bottom plate; 12, air inlet; 13, air outlet; 14, pressure detection port; 2, clamping mechanism; 21, driving assembly; 211, bottom disc; 212, connecting disc; 213, air guide pipe; 214, limit pin; 215, driving block; 216, inclined surface one; 22, film chuck; 221, disc body; 222, film sheet; 223, limit block; 224, inclined surface two; 225, air inlet chamber; 3, limit assembly; 31, limit disc; 32, rhombic positioning pin; 33, positioning block; 4, static disc; 41, spiral part. DETAILED DESCRIPTION

[0029] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] In the following description, "left", "right", "front", "back", "upper", "lower" are oriented in the perspective direction of the front view.

[0031] Embodiment one: in some embodiments, referring to the Figures 1-7 , the fixture for the film chuck for the static disc, comprising a bottom plate 11;

[0032] ​The bottom plate 11 is connected with a clamping mechanism 2 for clamping the static disc 4 at the upper end; the clamping mechanism 2 is connected with a limiting assembly 3 for limiting the static disc 4 at the upper side; the right end of the bottom plate 11 is provided with an air inlet 12; the right end of the bottom plate 11 is provided with an air outlet 13; the right end of the bottom plate 11 is provided with a pressure detection port 14.

[0033] The clamping mechanism 2 comprises a driving assembly 21 and a film chuck 22, the driving assembly 21 for driving the film chuck 22 to support and clamp the static disc 4 is connected at the upper end of the bottom plate 11; the film chuck 22 for clamping the static disc 4 is connected at the upper end of the driving assembly 21.

[0034] In the utility model, the static disc 4 is limited by the limiting assembly 3, at this time, the driving assembly 21 is ventilated by the air inlet 12, the gas pressure drives the driving assembly 21 to drive the film chuck 22 to support and clamp the static disc 4, so that the clamping of the static disc 4 is realized; the gas in the driving assembly 21 is discharged through the air outlet 13, the gas pressure in the driving assembly 21 disappears, and the clamping and fixing of the static disc 4 are released; the static disc 4 is clamped by the uniform force generated by the film chuck 22, the damage to the static disc 4 can be reduced, and the service life of the static disc 4 is prolonged.

[0035] The driving assembly 21 comprises a bottom disc 211, a connecting disc 212, a gas guide pipe 213, a limiting pin 214 and a driving block 215, the bottom disc 211 is fixedly connected at the upper end of the bottom plate 11; the connecting disc 212 is fixedly connected at the upper end of the bottom disc 211; the upper end of the gas guide pipe 213 passes through the connecting disc 212, the lower end of the gas guide pipe 213 passes through the bottom disc 211 and is fixedly connected with the bottom plate 11, the gas guide pipe 213 is communicated with the air inlet 12 and the air outlet 13 through pipes; a plurality of limiting pins 214 in uniform circumferential array are fixedly connected at the upper end of the connecting disc 212; the lower end of the driving block 215 abuts against the upper end of the limiting pin 214, and the upper end of the driving block 215 is provided with an inclined surface one 216.

[0036] The film chuck 22 comprises a disc body 221, a film sheet 222 and a limiting block 223, the disc body 221 is fixedly connected at the upper end of the connecting disc 212; a plurality of film sheets 222 in uniform circumferential array are fixedly connected at the upper end of the disc body 221, the film sheet 222 is made of elastic material, for example, polyurethane; the limiting block 223 is fixedly connected at the upper end of the film chuck 22; the inner side of the limiting block 223 is provided with an inclined surface two 224 abutting against the inclined surface one 216, and the outer side wall of the limiting block 223 is provided as a circular arc; the inner side of the disc body 221 is provided with an air inlet chamber 225.

[0037] In the utility model, the air inlet 12 fills air into the air inlet chamber 225 through the air guide pipe 213, the air pressure inside the air inlet chamber 225 drives the driving block 215 to move upwards, since the diaphragm 222 is of elastic material, the driving block 215 drives the plurality of limiting blocks 223 to move outwards through the inclined surface one 216 which is attached to the inclined surface two 224, and at the same time, the diaphragm 222 is elastically deformed, thereby realizing the clamping of the static disc 4, the diaphragm 222 generates uniform force due to elasticity, thereby reducing the damage to the static disc 4 and prolonging the service life of the static disc 4.

[0038] The limiting assembly 3 comprises a limiting disc 31, a rhombic positioning pin 32 and a positioning block 33, the limiting disc 31 is fixedly connected to the upper end of the disc body 221, the upper end of the limiting disc 31 is fixedly connected with the rhombic positioning pin 32 which is inserted with the static disc 4, and the upper end of the driving block 215 is fixedly connected with the positioning block 33 which limits the spiral part 41 of the static disc 4.

[0039] In the utility model, the static disc 4 is placed on the upper end of the positioning block 33, the spiral part 41 of the static disc 4 is inserted with the positioning block 33, and the rhombic positioning pin 32 is inserted with the static disc 4, the rhombic positioning pin 32 cooperates with the positioning block 33 to limit the static disc 4, the static disc 4 is first limited and then fixed, the static disc 4 is guaranteed to be in the central position when clamped, and the static disc 4 is uniformly stressed.

[0040] The above embodiments are only used to illustrate the technical scheme of the utility model, rather than limit it; although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements will not make the essence of the corresponding technical scheme deviate from the spirit and range of the technical scheme of the utility model.

Claims

1. A film chuck for a stationary disk, comprising a base plate (11), characterized in that, It also includes clamping mechanism (2) and limiting assembly (3); The bottom plate (11) is connected with the clamping mechanism (2) for clamping the static disc (4) at the upper end; the clamping mechanism (2) is connected with the limiting assembly (3) for limiting the static disc (4) at the upper side; the bottom plate (11) is provided with the air inlet (12) at the right end of the front side; the bottom plate (11) is provided with the air outlet (13) at the right end of the rear side; the bottom plate (11) is provided with the pressure detection port (14) at the right end; The clamping mechanism (2) includes a driving assembly (21) and a film chuck (22), and the driving assembly (21) for driving the film chuck (22) to support and clamp the static disc (4) is connected to the upper end of the bottom plate (11); the film chuck (22) for clamping the static disc (4) is connected to the upper end of the driving assembly (21).

2. The film chuck for a static disc according to claim 1, wherein The driving assembly (21) includes a bottom disc (211), a connecting disc (212), a gas guide pipe (213), a limiting pin (214) and a driving block (215), the bottom disc (211) is fixedly connected to the upper end of the bottom plate (11); the connecting disc (212) is fixedly connected to the upper end of the bottom disc (211); the upper end of the gas guide pipe (213) passes through the connecting disc (212), the lower end of the gas guide pipe (213) passes through the bottom disc (211) and is fixedly connected with the bottom plate (11), the gas guide pipe (213) is communicated with the air inlet (12) and the air outlet (13) through the pipeline; a plurality of limiting pins (214) are fixedly connected to the upper end of the connecting disc (212); the lower end of the driving block (215) abuts against the upper end of the limiting pin (214), and the upper end of the driving block (215) is provided with an inclined surface one (216).

3. The film chuck for a static disc according to claim 2, wherein The limiting pins (214) are arranged in a uniform circumferential array.

4. The film chuck for a static disc according to claim 2, wherein The film chuck (22) includes a disc body (221), a film sheet (222) and a limiting block (223), the disc body (221) is fixedly connected to the upper end of the connecting disc (212); a plurality of film sheets (222) arranged in a uniform circumferential array are fixedly connected to the upper end of the disc body (221), and the upper end of the film chuck (22) is fixedly connected with the limiting block (223); the outer side wall of the limiting block (223) is provided as a circular arc.

5. The film chuck for a static disc according to claim 4, wherein The film sheet (222) is made of polyurethane material.

6. The film chuck for a static disc according to claim 4, wherein The inner side of the limiting block (223) is provided with an inclined surface two (224) matched with the inclined surface one (216).

7. The film chuck for a static disc according to claim 4, wherein The inner side of the disc body (221) is provided with an air inlet chamber (225).

8. The film chuck for a static disc according to claim 4, wherein The limiting assembly (3) includes a limiting disc (31), a rhombic positioning pin (32) and a positioning block (33), the limiting disc (31) is fixedly connected to the upper end of the disc body (221); the upper end of the limiting disc (31) is fixedly connected with the rhombic positioning pin (32) inserted into the static disc (4); the upper end of the driving block (215) is fixedly connected with the positioning block (33) limiting the spiral part (41) of the static disc (4).

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