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CN-122008342-A - Cutting bed vacuum adsorption micro-blowing structure and control method

CN122008342ACN 122008342 ACN122008342 ACN 122008342ACN-122008342-A

Abstract

The invention provides a cutting bed vacuum adsorption micro-blowing structure and a control method, which are applied to a cutting bed and comprise a vacuum pump, a micro-blowing structure box and a bed body connecting pipeline, wherein the vacuum pump is connected with the micro-blowing structure box, the micro-blowing structure box is connected with the bed body connecting pipeline, the vacuum pump is used for carrying out negative pressure adsorption on cutting materials on the cutting bed through the micro-blowing structure box and the bed body connecting pipeline, the micro-blowing structure box comprises a box body, a vacuum pump air pumping pipe, an air return pipe and an air return pipe sealing component, and the vacuum pump air pumping pipe are arranged in the box body. According to the invention, the opening degree of the pressure relief valve assembly can be adjusted, and an operator can adjust the opening degree of the pressure relief valve assembly according to the material cut on the cutting bed, so that the adjustment of the reverse blowing wind power is realized, and the accurate and controllable adjustment of the reverse blowing wind power can be realized according to the material cut without material characteristics.

Inventors

  • XIE JINLONG
  • CHENG ZHOU
  • LIN SHIJIE

Assignees

  • 拓卡奔马机电科技有限公司

Dates

Publication Date
20260512
Application Date
20241108

Claims (10)

  1. 1. The cutting bed vacuum adsorption micro-blowing structure is applied to a cutting bed and is characterized by comprising a vacuum pump (1), a micro-blowing structure box (2) and a bed body connecting pipeline, wherein the vacuum pump (1) is connected with the micro-blowing structure box (2), and the micro-blowing structure box (2) is connected with the bed body connecting pipeline; The micro-blowing structure box (2) comprises a box body (210), a vacuum pump suction pipe (201), a vacuum pump suction pipe (202), a return air pipe (208) and a return air pipe blocking assembly, wherein the vacuum pump suction pipe (201) and the vacuum pump suction pipe (202) are arranged in the box body (210), one end of the vacuum pump suction pipe (201) is connected with a bed body connecting pipeline, the other end of the vacuum pump suction pipe is connected with a vacuum pump (1), one end of the vacuum pump suction pipe (202) is connected with the vacuum pump (1), the other end of the vacuum pump suction pipe is connected with the return air pipe (208), and one end of the return air pipe (208) far away from the vacuum pump suction pipe (202) is connected with the vacuum pump suction pipe (201); The return air pipe blocking component is used for controlling the opening and closing of the return air pipe (208).
  2. 2. The vacuum adsorption micro-blowing structure of the cutting bed according to claim 1, wherein an air outlet extension pipe (203) is arranged at the end part of the vacuum pump outlet pipe (202) far away from the vacuum pump (1), the air return pipe (208) is communicated with the air outlet extension pipe (203), and the air return pipe blocking component is arranged at the end part of the air outlet extension pipe (203) far away from the vacuum pump outlet pipe (202) and used for controlling the opening and closing of the air outlet extension pipe (203).
  3. 3. The cutting bed vacuum adsorption micro-blowing structure according to claim 2, wherein the return air pipe blocking assembly comprises a return air pipe blocking cylinder (207), a return air pipe blocking cylinder piston rod (205), a return air pipe blocking head (204) and an air cylinder fixing block (206), the return air pipe blocking cylinder (207) is arranged at the end, far away from the vacuum pump outlet pipe (202), of the air outlet extension pipe (203) through the air cylinder fixing block (206), the return air pipe blocking cylinder piston rod (205) is slidably arranged in the return air pipe blocking cylinder (207), the return air pipe blocking head (204) is arranged on the return air pipe blocking cylinder piston rod (205), and the return air pipe blocking head (204) can block one end, close to the vacuum pump outlet pipe (202), of the air outlet extension pipe (203) under the movement of the return air pipe blocking cylinder piston rod (205).
  4. 4. The vacuum adsorption micro-blowing structure of a cutting bed according to claim 1, wherein the micro-blowing structure box (2) further comprises a pressure relief valve assembly (209), and the pressure relief valve assembly (209) is arranged on the vacuum pumping air pipe (201) and is used for relieving pressure of air in the vacuum pumping air pipe (201).
  5. 5. The vacuum adsorption micro-blowing structure of the cutting bed according to claim 4, wherein the cutting bed further comprises a control system, and the control system is connected with the return air pipe plugging assembly and the pressure relief valve assembly (209) and used for controlling the opening and closing of the return air pipe plugging assembly and the pressure relief valve assembly (209).
  6. 6. The vacuum adsorption micro-blowing structure of the cutting bed of claim 1, wherein the micro-blowing structure box (2) further comprises a silencing pipe, the silencing pipe comprises a U-shaped pipe body (211) and a silencing air outlet (212), the U-shaped pipe body (211) is arranged in the box body (210), one end of the U-shaped pipe body (211) is communicated with a vacuum pump air outlet pipe (202), and the other end of the U-shaped pipe body (211) is communicated with the atmosphere through the silencing air outlet (212).
  7. 7. The vacuum adsorption micro-blowing structure of the cutting bed according to claim 6, wherein the vacuum pump air pumping pipe (202) and the vacuum pump air pumping pipe (201) are parallel, the U-shaped pipe body (211) is arranged above the vacuum pump air pumping pipe (201) and the vacuum pump air pumping pipe (202), and the U-shaped pipe body (211) and the vacuum pump air pumping pipe (201) are mutually perpendicular in space.
  8. 8. The cutting bed vacuum adsorption micro-blowing structure of claim 1, wherein a vacuum pump placing box (101) is further arranged in the cutting bed, the vacuum pump (1) is arranged in the vacuum pump placing box (101), the vacuum pump placing box (101) is fixedly connected with a box body (210) of the micro-blowing structure box (2), and a heat dissipation hole (102) is formed in the outer peripheral surface of the vacuum pump placing box (101).
  9. 9. The control method of the cutting bed vacuum adsorption micro-blowing structure adopts the cutting bed vacuum adsorption micro-blowing structure of any one of claims 1-8, wherein the cutting bed vacuum adsorption micro-blowing structure comprises a control system, and the control system is connected with a return air pipe plugging assembly and used for controlling the opening and closing of the return air pipe plugging assembly, and is characterized by comprising the following steps: The control system closes the return air pipe (208) through the return air pipe plugging component, the vacuum pump (1) works, the vacuum pump (1) carries out negative pressure adsorption on the cut materials on the cutting bed through the vacuum pump suction pipe (201) and the bed body connecting pipeline, and the air in the vacuum pump suction pipe (201) and the bed body connecting pipeline is discharged from the vacuum pump suction pipe (202) through the transportation of the vacuum pump (1); S2, after the cutting of the cut materials in the step S1 is completed, the vacuum pump (1) continuously works, the control system opens the return air pipe (208) through the return air pipe plugging component, after the vacuum pump (201) and the gas in the bed body connecting pipeline are transported by the vacuum pump (1), one part of the gas is discharged from the vacuum pump air pipe (202), and the other part of the gas enters the vacuum pump air pipe (201) through the return air pipe (208), so that the back blowing of the cut materials is realized.
  10. 10. The method for controlling the vacuum adsorption micro-blowing structure of the cutting bed according to claim 9, wherein the micro-blowing structure box (2) further comprises a pressure relief valve assembly (209), the pressure relief valve assembly (209) is arranged on the vacuum pumping air duct (201), the control system is connected with the pressure relief valve assembly (209) and used for relieving pressure of air in the vacuum pumping air duct (201), and in step S2, when the control system opens the return air duct (208) through the return air duct blocking assembly, the control system opens the pressure relief valve assembly (209), and the pressure relief valve assembly (209) is used for relieving pressure of air in the vacuum pumping air duct (201).

Description

Cutting bed vacuum adsorption micro-blowing structure and control method Technical Field The invention relates to the technical field of cutting bed equipment, in particular to a cutting bed vacuum adsorption micro-blowing structure and a control method. Background The cutting bed is cutting equipment for leather, imitation leather, cloth, cardboard and other materials, the quality of cutting directly affects the quality and wearing effect of the finished product, one or more layers of materials are laid on the cutting bed in the cutting process, then the upper surface of the uppermost layer of materials is marked, and finally cutting is carried out along the drawn line. The workbench of the cutting bed is usually provided with an air suction hole for vacuum air suction, materials paved on the workbench are firmly adsorbed on the workbench surface, and the materials are prevented from shifting during cutting, so that the accuracy of cutting size is influenced, and the shape of clothing is influenced. At present, the vacuum adsorption system of the cutting bed on the market generally adopts a vacuum pump and a positive and negative blowing structure to realize negative pressure adsorption on cutting materials, when the air suction of the vacuum pump passes through the positive and negative blowing structure, the air resistance is increased, the air leakage is serious, the negative pressure value of the bed body is reduced by about 10%, and the noise greatly influences the working environment. In addition, the original structural parts are larger, the price is higher, the installation is time-consuming, the packaging occupation space is large, and the vacuum adsorption capability of materials with poor adhesion force is required to be higher for some airtight fabrics. Disclosure of Invention In view of the above drawbacks of the prior art, the present invention is directed to a cutting bed vacuum adsorption micro-blowing structure and a control method thereof, which are used for solving the problems of increased wind resistance, serious gas leakage and waste and smaller negative pressure value existing in the prior art when a vacuum pump and a positive and negative blowing structure are matched. The invention provides a vacuum adsorption micro-blowing structure of a cutting bed, which is applied to the cutting bed and comprises a vacuum pump, a micro-blowing structure box and a bed body connecting pipeline, wherein the vacuum pump is connected with the micro-blowing structure box, the micro-blowing structure box is connected with the bed body connecting pipeline, the vacuum pump is used for carrying out negative pressure adsorption on cutting materials on the cutting bed through the micro-blowing structure box and the bed body connecting pipeline, the micro-blowing structure box comprises a box body, a vacuum pumping air pipe, an air return pipe and an air return pipe blocking assembly, the vacuum pumping air pipe and the vacuum pumping air pipe are arranged in the box body, one end of the vacuum pumping air pipe is connected with the bed body connecting pipeline, the other end of the vacuum pumping air pipe is connected with the vacuum pump, one end of the air return pipe, which is far away from the vacuum pumping air pipe, is connected with the vacuum pumping air pipe, and the air return pipe blocking assembly is used for controlling the opening and closing of the air return pipe. Preferably, the end part of the vacuum pump air outlet pipe far away from the vacuum pump is provided with an air outlet extension pipe, the air return pipe is communicated with the air outlet extension pipe, and the air return pipe plugging component is arranged at the end part of the air outlet extension pipe far away from the vacuum pump air outlet pipe and used for controlling the opening and closing of the air outlet extension pipe. Preferably, the return air pipe plugging assembly comprises a return air pipe plugging cylinder, a return air pipe plugging cylinder piston rod, a return air pipe plug and a cylinder fixing block, wherein the return air pipe plugging cylinder is arranged at the end part of the air outlet extension pipe, which is far away from the vacuum pump outlet pipe, through the cylinder fixing block, the return air pipe plugging cylinder piston rod is slidably arranged in the return air pipe plugging cylinder, the return air pipe plug is arranged on the return air pipe plugging cylinder piston rod, and the return air pipe plug can plug one end of the air outlet extension pipe, which is close to the vacuum pump outlet pipe, under the movement of the return air pipe plugging cylinder piston rod. Preferably, the micro-blowing structure box further comprises a pressure relief valve assembly, wherein the pressure relief valve assembly is arranged on the vacuum pump suction pipe and used for relieving pressure of air in the vacuum pump suction pipe. Preferably, the cutting bed further comprises a control system, wh