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CN-224198705-U - Valve plate adsorption tool

CN224198705UCN 224198705 UCN224198705 UCN 224198705UCN-224198705-U

Abstract

The utility model discloses a valve plate adsorption tool, which belongs to the technical field of valve plate processing and comprises a sucker, wherein a main gas path is arranged in the sucker, one end of the main gas path is connected with a negative pressure device, one end of the main gas path, which is far away from the negative pressure device, is connected with a round table cavity, the small diameter end of the round table cavity is connected with the main gas path, the large diameter end of the round table cavity is connected with an adsorption ring, one end of the adsorption ring, which is far away from the round table cavity, extends out of the sucker, one end of the adsorption ring, which extends out of the sucker, adsorbs the valve plate, a balance cavity is arranged at the center of the adsorption ring, and the balance cavity is communicated with the round table cavity. According to the utility model, through the design of the gradually-expanding section of the circular truncated cone cavity, the smooth diffusion of the airflow is realized, the turbulence and vortex caused by the abrupt change of the section are avoided, the local pressure loss is obviously reduced, the balance cavity is used as a closed air volume, the abrupt change energy of the airflow at the moment of adsorption is absorbed, the pressure oscillation is restrained, the dynamic stability is improved, and the high-precision positioning is ensured.

Inventors

  • ZHANG GUOSHUN

Assignees

  • 河南科丰新材料有限公司

Dates

Publication Date
20260505
Application Date
20250529

Claims (10)

  1. 1. Valve block adsorbs frock, a serial communication port, including the sucking disc, main gas circuit (11) have been seted up in the sucking disc, the one end and the negative pressure device of main gas circuit (11) are connected, the one end that negative pressure device was kept away from to main gas circuit (11) is connected with round platform chamber (12), the path end and the main gas circuit (11) of round platform chamber (12) are connected, the big path end of round platform chamber (12) is connected with adsorption ring (21), the one end that round platform chamber (12) was kept away from to adsorption ring (21) extends to outside the sucking disc, the one end that adsorption ring (21) extends to outside the sucking disc adsorbs valve block (4), the center department of adsorption ring (21) is equipped with balance chamber (22), balance chamber (22) and round platform chamber (12) intercommunication.
  2. 2. Valve plate adsorption tooling according to claim 1, characterized in that the circular truncated cone cavity (12) comprises a first plane (121), a second plane (122) and a side surface (123), the first plane (121) is located at the small diameter end of the circular truncated cone cavity (12), the second plane (122) is located at the large diameter end of the circular truncated cone cavity (12), the first plane (121) and the second plane (122) are respectively connected with two ends of the side surface (123), the first plane (121) is connected with the main gas circuit (11), and the second plane (122) is connected with the adsorption ring (21) and the balance cavity (22).
  3. 3. Valve plate adsorption tooling according to claim 1, characterized in that the specific number of the adsorption rings (21) is two, and the centers of the two adsorption rings (21) are positioned at the same position.
  4. 4. A valve plate adsorption tooling according to claim 3, wherein a first sealing ring (25) is connected between the two adsorption rings (21), so that the two adsorption rings (21) are divided into two independent negative pressure cavities.
  5. 5. Valve plate adsorption tooling according to claim 1, characterized in that the adsorption ring (21) comprises a plurality of adsorption holes (211), the adsorption holes (211) are distributed in the same angle array, one end of each adsorption hole (211) is connected with the circular truncated cone cavity (12), and one end of each adsorption hole (211) far away from the circular truncated cone cavity (12) extends out of the sucker.
  6. 6. Valve plate adsorption tooling according to claim 1, characterized in that the suction cup comprises a first disk body (1) and a second disk body (2), the first disk body (1) and the second disk body (2) are detachably connected, the main gas circuit (11) and the round table cavity (12) are arranged on the first disk body (1), and the adsorption ring (21) and the balance cavity (22) are arranged on the second disk body (2).
  7. 7. Valve plate adsorption tooling according to claim 6, characterized in that the first disc body (1) is provided with a groove (13), the second disc body (2) is fixedly connected with a protruding block (23), and when the first disc body (1) and the second disc body (2) are connected, the protruding block (23) is connected with the groove (13).
  8. 8. Valve plate adsorption tooling according to claim 6, characterized in that a second sealing ring (14) is connected to the first disc (1) and/or the second disc (2), and when the first disc (1) and the second disc (2) are connected, the tightness of the suction disc is ensured by the second sealing ring (14).
  9. 9. The valve plate adsorption tooling according to claim 6, wherein the second disc body (2) is provided with an annular groove, and the valve plate (4) is positioned in the annular groove when the valve plate (4) is adsorbed.
  10. 10. Valve plate adsorption tooling according to claim 7, characterized in that the first disc (1) and the second disc (2) are provided with through holes (3), and bolts are passed through the through holes (3) in the first disc (1) and the second disc (2) and then fixed by nuts.

Description

Valve plate adsorption tool Technical Field The utility model belongs to the technical field of valve plate processing, and particularly relates to a valve plate adsorption tool. Background In the fields of precision manufacturing, semiconductor packaging, optical element assembly and the like, grabbing, carrying and positioning of the valve plate provide strict requirements on the performance of the adsorption tool. The traditional vacuum adsorption device adopts a design of a single gas circuit direct connection adsorption port, and has the following technical bottlenecks: the uneven adsorption force is that a single gas circuit is easy to cause obvious pressure gradient between the edge and the central area, and especially when a large-size or flexible valve plate is adsorbed, the partial negative pressure is insufficient to easily cause falling or warping. The air flow stability is poor, pressure oscillation is easy to be caused by the sudden change of the air flow at the moment of adsorption, the positioning accuracy is affected, turbulent interference can be caused due to unreasonable layout of an adsorption port, and the energy efficiency is reduced. Therefore, there is a need to design a valve plate adsorption tool to solve the above-mentioned problems. Disclosure of utility model The utility model aims to provide a valve plate adsorption tool, which has the advantages of uniform adsorption negative pressure and stable adsorption negative pressure, and solves the problems in the background art. In order to achieve the above purpose, the valve plate adsorption tool provided by the utility model has the following specific technical scheme: The utility model provides a valve block adsorbs frock, includes the sucking disc, has seted up main gas circuit in the sucking disc, and the one end and the negative pressure device of main gas circuit are connected, and the one end that negative pressure device was kept away from to main gas circuit is connected with the round platform chamber, and the path end and the main gas circuit in round platform chamber are connected, and the major diameter end in round platform chamber is connected with the absorption ring, and the one end that the absorption ring kept away from the round platform chamber extends outside the sucking disc, and the absorption ring extends to the one end outside the sucking disc and adsorbs the valve block, and the center department of absorption ring is equipped with balanced chamber, balanced chamber and round platform chamber intercommunication. Further, the round platform chamber includes first plane, second plane and side, and first plane is located the path end in round platform chamber, and the second plane is located the path end in round platform chamber, and first plane and second plane are connected with the both ends of side respectively, and first plane is connected with main gas circuit, and the second plane is connected with absorption ring and balance chamber. Further, the specific number of the adsorption rings is two, and the centers of the two adsorption rings are positioned at the same position. Further, a first sealing ring is connected between the two adsorption rings, so that the two adsorption rings are divided into two independent negative pressure cavities. Further, the absorption ring comprises a plurality of absorption holes, the absorption holes are distributed in the same angle array, one end of each absorption hole is connected with the round platform cavity, and one end of each absorption hole, far away from the round platform cavity, extends out of the sucker. Further, the sucking disc comprises a first disc body and a second disc body, the first disc body and the second disc body are detachably connected, the main gas circuit and the round table cavity are formed in the first disc body, and the adsorption ring and the balance cavity are formed in the second disc body. Further, the first tray body is provided with a groove, the second tray body is fixedly connected with a convex block, and when the first tray body is connected with the second tray body, the convex block is connected with the groove. Further, be connected with the second sealing washer on first disk body and/or the second disk body, when first disk body and second disk body connect, through the second sealing washer, guarantee the leakproofness of sucking disc. Further, an annular groove is formed in the second disc body, and the valve plate is located in the annular groove when the valve plate is adsorbed. Further, through holes are formed in the first disc body and the second disc body, and bolts penetrate through the through holes in the first disc body and the second disc body and are then fixed through nuts. The utility model has the advantages that the gradual expansion section design of the circular truncated cone cavity realizes the gradual diffusion of air flow, avoids turbulence and vortex caused by section mutation, obviously reduce