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CN-121972363-A - Super wear-resistant metal screw dispensing valve

CN121972363ACN 121972363 ACN121972363 ACN 121972363ACN-121972363-A

Abstract

The invention discloses a super wear-resistant metal screw dispensing valve, and belongs to the field of industrial dispensing equipment. The internal driving component of the dispensing valve body and the screw auxiliary cylinder form a containing cavity, and the screw is triggered to be meshed with the screw auxiliary for transmission by means of glue buoyancy, so that idle abrasion is prevented. The driving assembly comprises a driving mechanism and a coupling mechanism, and mechanical locking is realized through a lever effect of the hinge rod without an electronic element. The liquid supplementing assembly is driven by the pneumatic pump, and the liquid supplementing channel is opened through the connecting rod mechanism and the driving motor is synchronously started, so that the linkage of liquid supplementing and feeding is realized. The device adopts screw pair transmission, lever pressure amplification, modularized installation and self-cleaning runner, solves the problems of abrasion, low precision and insufficient automation of the traditional dispensing valve, is suitable for high-precision scenes such as semiconductor packaging, and has the advantages of automatic triggering, wear resistance, synchronous control, simplicity and convenience in maintenance and the like.

Inventors

  • TANG MIN
  • XU ZHENGYI

Assignees

  • 上海力效智能科技有限公司

Dates

Publication Date
20260505
Application Date
20260325

Claims (10)

  1. 1. The utility model provides a super wear-resisting metal screw rod dispensing valve, its characterized in that, includes dispensing valve body (200), dispensing valve body (200) are including dispensing valve shell (201), screw rod pair section of thick bamboo (205), screw rod (2051) and locate the drive assembly in the dispensing valve shell (201), screw rod pair has been seted up on the screw rod pair section of thick bamboo (205), leave between drive assembly and the screw rod pair section of thick bamboo (205) and hold the chamber, drive assembly is used for driving screw rod (2051) and screw rod pair's meshing transmission execution pay-off action after glue is full of holding the chamber.
  2. 2. The ultra-wear metal screw dispensing valve of claim 1, wherein the drive assembly includes a drive mechanism for providing power and a coupling mechanism (204), the coupling mechanism (204) for forming a driving connection with the drive mechanism to drive the screw (2051) after the glue fills the receiving cavity.
  3. 3. The ultra-wear-resistant metal screw dispensing valve according to claim 2, wherein the driving mechanism comprises a fixed disc (203) fixedly arranged on the inner wall of the dispensing valve shell (201), and a driving motor (202) fixedly arranged on the fixed disc (203), an output end of the driving motor (202) penetrates through the fixed disc (203) and is fixedly connected with a coupler (2041), one end of the coupler (2041) deviating from the driving motor (202) is fixedly provided with a coupling disc (2042), and a coupling cavity is formed in one side of the coupling disc (2042) deviating from the coupler (2041).
  4. 4. The ultra-wear-resistant metal screw dispensing valve according to claim 3, wherein the periphery of the screw (2051) is divided into a threaded section and a non-threaded section, the coupling mechanism (204) comprises a hollow fixing sleeve (206) sleeved on the periphery of the non-threaded section of the screw (2051), the outer wall of the hollow fixing sleeve (206) is fixedly connected with the inner wall of the valve housing (201), and the screw (2051) is rotatably connected with the hollow fixing sleeve (206).
  5. 5. The ultra-wear-resistant metal screw dispensing valve according to claim 4, wherein the screw (2051) is provided with a sliding sleeve (2046) and a fixed connecting block (2043) from low to high along the height direction, the fixed connecting block (2043) is positioned in the coupling cavity and fixedly connected with the screw (2051), the sliding sleeve (2046) is slidably connected with the screw (2051), an elastic piece III (2049) is sleeved between the sliding sleeve (2046) and the hollow fixed sleeve (206), and two ends of the elastic piece III (2049) are respectively and elastically connected with the sliding sleeve (2046) and the hollow fixed sleeve (206).
  6. 6. The ultra-wear-resistant metal screw dispensing valve according to claim 5, wherein the sliding sleeve (2046) is symmetrically provided with a fixed seat (2047), the fixed seat (2047) is hinged with a hinge rod II (2045), the other end of the hinge rod II (2045) is hinged with a sliding block (2044), the fixed connecting block (2043) is symmetrically provided with a limiting sliding groove, the sliding block (2044) is slidably connected with the fixed connecting block (2043) through the limiting sliding groove, and the sliding block (2044) is used for sliding into a coupling cavity of the coupling disc (2042) to form mechanical locking.
  7. 7. The ultra-wear-resistant metal screw dispensing valve according to any one of claims 1-6, further comprising a mounting part fixedly arranged on the dispensing valve housing (201) and a fluid supplementing assembly (100) fixedly arranged on the mounting part, wherein the mounting part comprises a dispensing valve housing fixing part (1011) arranged on the periphery of the dispensing valve housing (201), and a connecting part (101) fixedly arranged on the dispensing valve housing fixing part (1011), the other end of the connecting part (101) is provided with a fluid supplementing assembly fixing part (1012), and the connecting part (101) is further provided with a mechanical arm mounting part (1013).
  8. 8. The ultra-wear-resistant metal screw dispensing valve according to claim 7, wherein the fluid infusion assembly (100) comprises a fluid infusion mechanism (104) and a valve control mechanism, the fluid infusion mechanism (104) comprises a fluid infusion pipeline (103) penetrating through the connecting component (101) and the dispensing valve shell (201), a liquid storage cavity shell (102) is fixedly arranged at the other end of the fluid infusion pipeline (103), a liquid storage cavity is arranged in the liquid storage cavity shell (102), and the liquid storage cavity is communicated with a containing cavity of the dispensing valve shell (201) through the fluid infusion pipeline (103).
  9. 9. The ultra-wear-resistant metal screw dispensing valve according to claim 8, wherein a fixed shaft (1041) is fixedly arranged in the fluid infusion pipeline (103), a fixed rod (1042) is fixedly arranged on the periphery of the fixed shaft (1041), a sliding limit groove is formed in the end portion of the fixed rod (1042) and is movably hinged to a first hinge rod (1043), the first hinge rod (1043) is sequentially hinged to a transmission connecting plate (1044), a hinged transmission rod (1045) and a connecting push rod (1046), the connecting push rod (1046) penetrates out of a pipeline limit piece (1047) fixed on the inner wall of the fluid infusion pipeline (103) and is fixedly connected with a valve sliding cylinder (1048), a through hole is formed in the periphery of the valve sliding cylinder (1048), and an elastic piece (1049) is sleeved on the connecting push rod (1046).
  10. 10. The ultra-wear-resistant metal screw dispensing valve according to claim 9, wherein the valve control mechanism comprises a valve control cavity shell (105) arranged on the outer wall of the fluid infusion pipeline (103), a piston plate (1052) is movably arranged in the valve control cavity shell (105), a trigger rod (1053) and a transmission connecting rod (1051) are fixedly arranged at the upper end and the lower end of the piston plate (1052) respectively, the transmission connecting rod (1051) is fixedly connected with a transmission connecting plate (1044), an elastic piece II (1054) is sleeved on the periphery of the trigger rod (1053) and penetrates out of the valve control cavity shell (105) to be connected with a signal trigger piece (1056), and the trigger rod (1053) is driven to be abutted against the signal trigger piece (1056) when the piston plate (1052) is lifted so as to start the driving motor (202).

Description

Super wear-resistant metal screw dispensing valve Technical Field The invention relates to the technical field of industrial dispensing equipment, in particular to a super wear-resistant metal screw dispensing valve. Background In the industry point field of gluing, traditional screw dispensing valve ubiquitous idle running wear, the point glues precision inadequately, degree of automation low grade problem. In the prior art, a screw driving mechanism of a dispensing valve usually adopts a continuous power-on operation mode, when glue is not filled in a working cavity, idle running is easy to occur, so that a screw thread structure of a screw and a screw pair is worn out rapidly due to dry friction, the dispensing precision is affected, the equipment maintenance cost is increased, meanwhile, a traditional liquid supplementing system is mainly controlled independently and manually, precise synchronization is difficult to realize with feeding action, the situation of glue cutoff or excessive conveying often occurs, and the requirements of high-precision scenes such as semiconductor packaging, dispensing of medical equipment and the like cannot be met. In addition, the partial dispensing valve depends on a complex electronic sensor or a hydraulic system to realize linkage control, so that the manufacturing cost is high, the system failure can be caused by sensor faults, and the stability is poor especially in severe environments such as humidity, dust and the like. Therefore, the ultra-wear-resistant metal screw dispensing valve is provided. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to provide a super wear-resistant metal screw dispensing valve. In order to achieve the above purpose, the present invention provides the following technical solutions: The glue dispensing valve comprises a glue dispensing valve body, wherein the glue dispensing valve body comprises a glue dispensing valve shell, a screw auxiliary cylinder, a screw and a driving assembly arranged in the glue dispensing valve shell, the screw auxiliary cylinder is provided with a screw pair, a containing cavity is reserved between the driving assembly and the screw auxiliary cylinder, and the driving assembly is used for driving the screw and the screw pair to perform feeding action in a meshed transmission manner after glue is filled in the containing cavity. As a further development of the invention, the drive assembly comprises a drive mechanism for providing power and a coupling mechanism for forming a driving connection with the drive mechanism for driving the screw after the glue has filled the receiving chamber. As a further improvement of the invention, the driving mechanism comprises a fixed disc fixedly arranged on the inner wall of the dispensing valve shell and a driving motor fixedly arranged on the fixed disc, the output end of the driving motor penetrates through the fixed disc and is fixedly connected with a coupler, one end of the coupler, which is away from the driving motor, is fixedly provided with a coupling disc, and one side of the coupling disc, which is away from the coupler, is provided with a coupling cavity. As a further improvement of the invention, the periphery of the screw is divided into a threaded section and a non-threaded section, the coupling mechanism comprises a hollow fixed sleeve sleeved on the periphery of the non-threaded section of the screw, the outer wall of the hollow fixed sleeve is fixedly connected with the inner wall of the rubber valve shell, and the screw is rotationally connected with the hollow fixed sleeve. As a further improvement of the invention, the non-threaded section of the screw rod is provided with a sliding sleeve and a fixed connecting block from low to high along the height direction, the fixed connecting block is positioned in the coupling cavity and fixedly connected with the screw rod, the sliding sleeve is connected with the screw rod in a sliding manner, an elastic piece III is sleeved between the sliding sleeve and the hollow fixed sleeve, and two ends of the elastic piece III are respectively and elastically connected with the sliding sleeve and the hollow fixed sleeve. As a further improvement of the invention, the sliding sleeve is symmetrically provided with the fixing seat, the fixing seat is hinged with the hinge rod II, the other end of the hinge rod II is hinged with the sliding block, the fixed connecting block is symmetrically provided with the limiting sliding groove, the sliding block is slidably connected with the fixed connecting block through the limiting sliding groove, and the sliding block is used for sliding into the coupling cavity of the coupling disc to form mechanical locking. As a further improvement of the invention, the automatic dispensing valve further comprises a mounting piece fixedly arranged on the dispensing valve shell and a fluid supplementing assembly fixedly arranged on the mounting piece, w