Vacuum adsorption type CNC clamp

Abstract

The utility model provides a vacuum adsorption type CNC clamp, and relates to the technical field of CNC clamps, the vacuum adsorption type CNC clamp comprises a base, the surface of the base is provided with a step-shaped groove, the groove is divided into an inner groove and an outer groove, the inner groove is internally provided with an adsorption part and a supporting part, the outer groove is internally provided with a fixing assembly, the fixing assembly is located on the outer side of the supporting part, and the adsorption part is connected with the supporting part. The heat dissipation cover needing to be machined is placed above the adsorption table, the heat dissipation cover is matched with the groove of the fixing plate, the vacuum adsorption machine is connected with the adsorption hole, and air pressure difference is generated from the adsorption channel to stably adsorb the heat dissipation cover. The sealing strip arranged in the sealing groove has the sealing effect and prevents leakage, the heat dissipation cover is in contact with the insert when placed, the bottom of the insert is inserted into the pin, the insert is jacked up through the elastic force of the spring, the effect of supporting the skirt edge of the heat dissipation cover is achieved, the heat dissipation cover is stably clamped, and follow-up machining is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to CNC fixture technical field especially relates to a vacuum adsorption type CNC fixture. BACKGROUND

[0002] CNC is the abbreviation of computer numerical control machine tool, and it is an automatic machine tool controlled by computer program. Through the prewritten program, CNC machine tool can automatically execute processing task, and realizes high-precision, high-efficiency processing process. Compared with traditional manual operation, CNC technology reduces the influence of human factors on processing quality, and improves the precision and efficiency of processing.

[0003] But at present, when the CNC milling head works on the heat dissipation cover, the heat dissipation cover is fixed through rotating the threaded rod screw thread drive clamp, but the heat dissipation cover will produce resonance when working, which leads to the position deviation of the heat dissipation cover, reduces the working precision, and affects the quality of the heat dissipation cover, therefore, a vacuum adsorption type CNC fixture is needed. UTILITY MODEL CONTENT

[0004] The utility model discloses a vacuum adsorption type CNC fixture, solve the problem of instability and the problem of reducing the working precision of prior art clamping.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a vacuum adsorption type CNC fixture, including the base, the surface of base is equipped with the stepped recess, and the recess is divided into inner recess and outer recess, the inner recess is provided with adsorption component and support component, and the outer recess is provided with fixed assembly, and the fixed assembly is located on the outer side of support component and is attached with the inner recess, and the support component is located between adsorption component and fixed assembly and is attached with the outer recess, and the side surface of base is provided with the communication inside adsorption hole.

[0006] Preferably, the adsorption component includes an adsorption table, the surface of the adsorption table is provided with an adsorption channel, a sealing groove is formed on the top of the adsorption table and surrounds the surface of the adsorption channel, and the bottom end of the adsorption table is connected with the adsorption hole.

[0007] Preferably, the sealing groove is embedded with a sealing strip in interference fit.

[0008] Preferably, the support component includes a spring, a pin and an insert block, the top end of the spring is fixedly connected with the bottom of the pin, and the bottom of the insert block is provided with a clamping groove which is attached along the axis direction of the pin.

[0009] Preferably, the spring and the pin are arranged in the inner recess on the surface of the base.

[0010] Preferably, the fixed assembly includes a fixed plate and a positioning groove, the positioning groove is symmetrically arranged on the surface of the fixed plate, and the fixed plate is embedded in the inner recess on the surface of the base.

[0011] Preferably, the insert ring is arranged in the inner groove, and the surface of the insert is provided with a groove matched with the fixing plate.

[0012] Compared with the prior art, the vacuum adsorption type CNC clamp has the beneficial effects that:

[0013] By placing the heat dissipation cover to be machined above the adsorption table, the heat dissipation cover is matched with the groove of the fixing plate, the vacuum adsorption machine is connected with the adsorption hole, and the heat dissipation cover is stably adsorbed by the air pressure difference generated from the adsorption channel. The sealing strip arranged in the sealing groove has a sealing effect, prevents leakage, and the heat dissipation cover is placed to touch the insert, the insert is inserted into the pin at the bottom, and the insert is lifted by the elastic force of the spring, thereby supporting the skirt of the heat dissipation cover, stably clamping the heat dissipation cover, and facilitating subsequent machining. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A first perspective view of the overall structure of the vacuum adsorption type CNC clamp is provided.

[0015] Figure 2 A second perspective view of the overall structure of the vacuum adsorption type CNC clamp is provided.

[0016] Figure 3 An adsorption component structure diagram of the vacuum adsorption type CNC clamp is provided.

[0017] Figure 4 A support component diagram of the vacuum adsorption type CNC clamp is provided.

[0018] Figure 5 A fixed component structure diagram of the vacuum adsorption type CNC clamp is provided.

[0019] In the figure: 1, base; 2, adsorption component; 21, adsorption table; 22, adsorption channel; 23, sealing groove; 3, support component; 31, spring; 32, pin; 33, insert; 4, fixed component; 41, fixed plate; 42, positioning groove; 5, adsorption hole; 6, inner groove; 7, outer groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] AsFigures 1-5 The utility model discloses a first embodiment vacuum adsorption formula CNC clamp, including base 1, the surface of base 1 is seted up with the stepped recess, recess is divided into inner recess 6 and outer recess 7, set up with adsorption part 2 and support part 3 in inner recess 6, set up with fixed assembly 4 in outer recess 7, fixed assembly 4 is located the outside of support part 3, and is combined with inner recess 6, support part 3 is located between adsorption part 2 and fixed assembly 4, and is combined with outer recess 7, the side of base 1 is provided with the communication inside adsorption hole 5, is used for the skirt of support heat dissipation cover, plays the effect of support, adsorption part 2 includes adsorption platform 21, adsorption channel 22 and sealing groove 23, the surface of adsorption platform 21 is seted up with the sealing groove 23 around its one week, the center of adsorption platform 21 is equipped with adsorption channel 22, and the adsorption channel 22 is located the center of adsorption platform 21, and is equidistantly arranged in the four corners of adsorption platform 21, support part 3 includes spring 31, peg 32 and inlay 33, spring 31 is located the positive below of peg 32, and is fixedly connected with the bottom of peg 32, the bottom of inlay 33 is seted up with the clamping groove that is in line with along the axis direction of peg 32, inner recess 6 is seted up with the hole that is in line with spring 31 and peg 32 around its one circle, is used for placing spring 31 and peg 32, spring 31 and peg 32 provide certain support force for the inlay 33 that is in line with inner recess 6 places, in order to limit the position of inlay 33 and be provided with fixed assembly 4, fixed assembly 4 includes fixed plate 41 and positioning groove 42, the outer wall of fixed plate 41 is combined with outer recess 7, the inner recess of fixed plate 41 is adapted to heat dissipation cover, the four corners of fixed plate 41 are equipped with positioning groove 42, positioning groove 42 is seted up with the thread muscle along the axis direction, is used to be fixed in the top of base 1, the bottom of fixed plate 41 is combined with the top recess of inlay 33, prevents inlay 33 and pops out, the bottom of base 1 is provided with adsorption hole 5, adsorption channel 22 is connected with adsorption hole 5 along the axis direction through the inside of adsorption platform 21, is used to produce pressure difference and adsorb heat dissipation cover on adsorption part 2.

[0022] Specific use time: first, by placing the heat dissipation cover that needs to be processed to the top of adsorption platform 21, heat dissipation cover and recess of fixed plate 41 in line, vacuum adsorption machine connects adsorption hole 5, generates air pressure difference from adsorption channel 22 and stably adsorbs heat dissipation cover, the sealing strip inside sealing groove 23 plays the effect of sealing, prevents leakage, heat dissipation cover places and inlay 33 touch, inlay 33 bottom inserts peg 32, relies on the elastic force of spring 31 and lifts inlay 33, plays the effect of support heat dissipation cover skirt, stably holds heat dissipation cover, facilitates subsequent processing.

[0023] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0024] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A vacuum suction type CNC clamp, characterized by: The base (1) is provided with a stepped groove on the surface, which is divided into an inner groove (6) and an outer groove (7). The inner groove (6) is provided with an adsorption component (2) and a support component (3). The outer groove (7) is provided with a fixing assembly (4), which is located outside the support component (3) and is attached to the inner groove (6). The support component (3) is located between the adsorption component (2) and the fixing assembly (4) and is attached to the outer groove (7). The side of the base (1) is provided with a communication internal adsorption hole (5).

2. The vacuum suction type CNC clamp according to claim 1, characterized by: The adsorption component (2) includes an adsorption table (21), which is provided with an adsorption channel (22) on the surface. The top of the adsorption table (21) is provided with a sealing groove (23) away from the adsorption channel (22) and surrounding the surface thereof. The bottom end of the adsorption table (21) is connected with the adsorption hole (5).

3. The vacuum suction type CNC clamp according to claim 2, characterized by: The sealing groove (23) is embedded with a sealing strip in interference fit.

4. The vacuum suction type CNC clamp according to claim 1, characterized by: The support component (3) includes a spring (31), a pin (32) and an inlay block (33). The top end of the spring (31) is fixedly connected with the bottom of the pin (32). The bottom of the inlay block (33) is provided with a clamping groove which is attached to the axis direction of the pin (32).

5. The vacuum suction type CNC clamp according to claim 4, characterized by: The spring (31) and the pin (32) are arranged in the inner groove (6) on the surface of the base (1).

6. The vacuum suction type CNC clamp according to claim 4, characterized by: The fixing assembly (4) includes a fixing plate (41) and a positioning groove (42). The positioning groove (42) is symmetrically arranged on the surface of the fixing plate (41). The fixing plate (41) is embedded in the inner groove (6) provided on the surface of the base (1).

7. The vacuum suction CNC fixture of claim 6, wherein: The inlay block (33) is annularly arranged in the inner groove (6). The surface of the inlay block (33) is provided with a groove which is matched with the fixing plate (41).

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