CN115007411A - Method for manufacturing check valve - Google Patents
Method for manufacturing check valve Download PDFInfo
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- CN115007411A CN115007411A CN202210672406.9A CN202210672406A CN115007411A CN 115007411 A CN115007411 A CN 115007411A CN 202210672406 A CN202210672406 A CN 202210672406A CN 115007411 A CN115007411 A CN 115007411A
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- valve body
- valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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- Mechanical Engineering (AREA)
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Abstract
The invention relates to a check valve manufacturing method, which comprises a working rotating disc (4) arranged on a plurality of clamps and used for realizing the rotation of a workpiece; a corresponding station is arranged on the working rotating disc (4) to install a corresponding device; a valve body feeding assembly (5) is arranged at the valve body feeding station (16) and is used for placing the valve body piece (24) on the clamp; a seal ring assembly (6) is arranged at the seal ring loading station (17) and is used for installing the seal ring piece (41) on the valve body piece (24); the invention has reasonable design, compact structure and convenient use.
Description
Technical Field
The invention relates to a valve body assembly production line and a process thereof, and a check valve manufacturing method of a check valve equipment production line.
Background
Referring to fig. 1-2, the check valve is a check valve in which the opening and closing member is a circular flap and acts by its own weight and medium pressure to block the reverse flow of the medium.
The existing check valve mainly has a combined structure and an integrated structure, the combined check valve is difficult to mount and dismount, and is a common check valve structure in the market, but the valve body of the existing check valve needs to be spliced, so that the valve body is large, the valve manufacturing process is relatively complex, the production efficiency is low, and the manufacturing cost is difficult to reduce; the application of the CN114526363A patent, a check valve and a method for manufacturing the same, provides a manufacturing method, which is only described briefly and does not provide a practical supporting device and method for the public.
How to provide a set of feasible valve body matching assembly production equipment and process becomes a technical problem which needs to be solved urgently.
In addition, after the existing valve body is assembled, the valve body needs to be conveyed to a test bed through a forklift for testing, the test type carrying is inconvenient, and the automation degree is low. How to provide experimental efficiency, reduce the degree of difficulty of transport, reduce the technical problem that the dependence to overhead traveling crane and fork truck becomes the urgent need to be solved.
Disclosure of Invention
The invention aims to solve the technical problems of providing a valve body assembly production line and a process, and a check valve manufacturing method of a check valve equipment production line.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a valve body assembly production line comprises a working rotating disc, a plurality of clamps and a control device, wherein the working rotating disc is arranged on the plurality of clamps and used for realizing the rotation of a workpiece; a corresponding station is arranged on the working rotating disc so as to install a corresponding device;
a valve body feeding assembly is arranged at a valve body feeding station and used for placing a valve body piece on a clamp;
a seal ring assembly is arranged at a seal ring feeding station and used for installing a seal ring piece on the valve body piece;
the valve core piece feeding station is provided with a valve core piece feeding assembly used for installing the valve core piece on the valve body piece;
a safety valve feeding assembly is arranged at a safety valve assembling station and used for installing the safety valve body on the valve body piece;
a valve cover feeding assembly and a valve cover assembling assembly which correspond to each other are arranged at a valve cover feeding station; the valve cover feeding assembly is used for installing the dustproof cap body on the valve cover part and then installing the dustproof cap body on the valve body part through the valve cover assembling assembly so as to package the valve core part;
a gluing component is arranged at the gluing station and used for sealing the periphery of the joint of the valve body piece;
and a valve body output assembly is arranged at the output station and used for outputting the assembled valve body piece to a corresponding valve body output belt.
As a further improvement of the above technical solution:
the valve body feeding assembly comprises a valve body feeding vibration channel and is used for realizing one-by-one feeding of valve body pieces, a valve body feeding mechanical arm is matched and sleeved on the valve body feeding vibration channel, and a valve body middle channel is arranged on one side of the valve body feeding mechanical arm so as to place the valve body pieces sent by the valve body feeding mechanical arm;
a valve body clamping seat is arranged on one side of the valve body middle channel, and a valve body oiling component is arranged above the valve body middle channel and used for coating grease on the corresponding surface of the valve body piece;
the valve body oiling assembly comprises a valve body oiling moving rod and a valve body oiling frame body arranged on the valve body oiling moving rod, a lower valve body opening handle and an upper valve body opening handle are arranged on the valve body oiling frame body, the ends of the lower valve body opening handle and the upper valve body opening handle are hinged, and the lower end of the opened lower valve body opening handle abuts against the upper portion of the valve body clamping seat to achieve limiting; the valve body upper opening handle is opened upwards, a valve body driving ejector rod is hinged on the valve body oiling frame body and used for extending to eject the corresponding side wall of the valve body lower opening handle and the corresponding side wall of the valve body upper opening handle so as to open; a guide slot hole is arranged at the hinged end part of the lower opening handle of the top valve body, a valve body spring ejector rod in a vertical state is arranged in the guide slot hole, a valve body greasing grinding head is arranged at the lower end of the valve body spring ejector rod,
the valve body is provided with an opening handle connected with the upper end of a valve body spring ejector rod, the valve body drives the ejector rod to extend, so that the valve body spring ejector rod overcomes the spring force to open and move upwards or backwards, and grease is coated on the corresponding surface of the valve body piece under the downward movement of the spring force and the dead weight;
a valve body greasing moving rod controls a valve body greasing grinding head to move between a greasing station and a greasing station, the valve body greasing grinding head is dipped with lubricating oil downwards at the greasing station, and grease is applied to the corresponding surface of the valve body piece at the greasing station;
and the valve body feeding manipulator is arranged on the output side of the valve body greasing grinding head so as to send the valve body piece to the mould on the working rotating disk.
The sealing ring assembly component comprises a sealing ring transverse inlet channel for receiving the vibration disc and feeding the vibration disc into a sealing ring piece, wherein the terminal of the sealing ring transverse inlet channel is provided with an input end of a radial channel, and the input end of the radial channel is provided with a sealing ring inlet guide inclined plane, so that the sealing ring piece is compatible with conveying dislocation;
the sealing ring pushing device is characterized in that a sealing ring transverse push rod is arranged in a radial channel and used for pushing a sealing ring piece in the radial channel, a sealing ring changing station is arranged at the output end of the radial channel in a lifting mode, a sealing ring upper ejection step head driven by the push rod is arranged at the sealing ring changing station and used for ejecting the sealing ring piece to leave the output end of the radial channel and positioning and supporting the sealing ring piece, a sealing ring guiding taper mandrel is arranged at the center of the sealing ring upper ejection step head in a telescopic mode, a sealing ring lower pushing sleeve controlled by a manipulator is arranged above the sealing ring changing station, a sealing ring upper hollow rod is arranged at the center of the sealing ring lower pushing sleeve and used for inserting the sealing ring piece into the sealing ring guiding taper mandrel to support the sealing ring piece or enter a corresponding hole of the valve piece, and the sealing ring lower pushing sleeve pushes the sealing ring to support the sealing ring piece.
The valve element feeding assembly comprises a valve element feeding manipulator, a valve element adjusting turntable is arranged on one side of the valve element feeding manipulator, the valve element adjusting turntable is matched with a valve element detecting and overturning manipulator and a valve element cleaning part, the valve element cleaning part is used for cleaning sundries of the valve element pre-installed with a matched flange, and the valve element detecting and overturning manipulator is used for adjusting the direction of the valve element; the valve core piece feeding manipulator is used for installing the adjusted and cleaned valve core piece on the valve body piece and fixing the valve core piece through a thread feeding machine installation bolt.
The safety valve feeding assembly comprises a safety valve V-shaped vibration channel for conveying the safety valve body, a safety valve detection upper pressure plate is arranged above the safety valve V-shaped vibration channel, and when the safety valve body is upward, the safety valve detection upper pressure plate blocks the safety valve body and pushes the safety valve body downward in the opposite direction to move forward; the safety valve V-shaped vibration channel is characterized in that a safety valve output station jacking clamping hand is arranged below the output end of the safety valve V-shaped vibration channel, and a safety valve feeding mechanical hand is arranged above the safety valve output station jacking clamping hand and used for jacking and clamping a safety valve body of the safety valve output station jacking clamping hand to lift upwards.
The valve cover feeding assembly comprises a valve cover clamping and adjusting manipulator arranged at the output end of the vibration channel of the valve cover part, a valve cover capping station is arranged on one side of the valve cover clamping and adjusting manipulator, and a valve cover clamping and overturning manipulator is arranged on the valve cover capping station;
the valve cover assembly component comprises a dustproof cap feeding channel arranged on one side of the valve cover clamping and overturning manipulator and is used for conveying dustproof cap bodies; the output end of the dustproof cap feeding channel is provided with a dustproof cap clamping transfer manipulator, one side of the dustproof cap clamping transfer manipulator is provided with a dustproof cap installation manipulator, the dustproof cap installation manipulator is arranged at a dustproof cap component station, and a dustproof cap body is installed on a valve cap component on the valve cap clamping turnover manipulator;
the valve cover turning and feeding manipulator is used for installing the valve cover part on the valve body part at the dustproof cap component station and is matched with a thread feeding machine.
The gluing component comprises a gluing operation part used for clamping the valve body part, and a gluing pressure head is arranged on the gluing operation part; a gluing swing arm is hinged on the gluing pressure head, and the front end of the gluing swing arm is provided with the gluing pressure head for pressing down the upper end of the clamped valve body;
one side of the gluing pressure head is respectively provided with a gluing positioning pin and is hinged with a gluing driven clamping arm, and the gluing driven clamping arm is provided with a step for pressing down the back of the gluing pressure head; the gluing driven clamping arm is provided with a glued clamping hook head used for hooking the gluing positioning pin;
a gluing U-shaped hinge base is hinged on the gluing pressure head, a gluing lower pressure head is arranged at the lower end of the gluing U-shaped hinge base, and a gluing clamping center is arranged on the gluing operation part and used for aligning and fixing the gluing lower pressure head;
and a gluing station is provided with a gluing rack driven by a push rod and a gluing lifting and rotating gear seat which is meshed with the gluing rack through a gear and rotates, a gluing clamping and opening bracket is rotatably arranged below a gluing pressure head and used for supporting the valve body piece, and the gluing clamping and opening bracket is provided with a gluing process opening and a matched gluing machine.
A valve body assembly production process by means of said production line; the following processes are performed; by means of a working rotating disc;
s1, placing the valve body piece on a clamp by the valve body feeding assembly at a valve body feeding station;
s2, at the sealing ring feeding station, the sealing ring assembly is used for installing the sealing ring piece on the valve body piece;
s3, at the valve core piece feeding station, the valve core piece feeding assembly is used for installing the valve core piece on the valve body piece;
s4, at the safety valve assembling station, a safety valve feeding assembly is used for installing the safety valve body on the valve body member;
s5, mounting the dustproof cap body on the valve cover part through the valve cover assembly after the dustproof cap body is mounted on the valve cover part at the valve cover feeding station and the valve cover feeding assembly, and packaging the valve core part;
s6, sealing the periphery of the joint of the valve body piece by the gluing component at the gluing station;
and S7, at the output station, the valve body output assembly outputs the assembled valve body parts to the corresponding valve body output belts.
As a further improvement of the above technical solution:
in S1, first, the valve body feeding vibration passage feeds the valve body pieces one by one; then, the valve body loading manipulator puts the valve body piece on the middle channel of the valve body; secondly, a valve body oiling moving rod controls a valve body oiling grinding head to move between an oiling station and an oiling station, the valve body oiling grinding head descends to dip lubricating oil at the oiling station, grease is applied to the corresponding surface of a valve body piece at the oiling station, an opening handle on the valve body is connected with the upper end of a valve body spring ejector rod when grease is applied, the valve body drive ejector rod extends to enable the valve body spring ejector rod to overcome spring force to open and ascend or retreat, the valve body oiling grinding head descends to apply grease to the corresponding surface of the valve body piece under the action of spring force and dead weight, and the valve body oiling grinding head ascends to leave after the grease is applied; and then, the valve body feeding mechanical arm sends the valve body piece to a mould on the working rotating disc.
In S2, firstly, the seal ring transversely enters the channel to receive the vibration disk and send the vibration disk into the seal ring piece; secondly, the sealing ring transverse push rod pushes the sealing ring piece to a sealing ring changing station in a radial channel; thirdly, under the guide of the guide taper mandrel of the sealing ring, the sealing ring is jacked up from the step head and the sealing ring piece leaves the output end of the radial channel; then, a hollow rod on the sealing ring controlled by the manipulator descends, is inserted into the guiding taper mandrel of the sealing ring, and is matched with and receives the sealing ring piece through a top step head on the sealing ring; then, the hollow rod on the sealing ring travels to the corresponding hole of the valve body part and is inserted downwards for centering, the lower sleeve of the sealing ring moves downwards while the hollow rod on the sealing ring moves upwards, and the sealing ring part is installed;
in S3, first, the valve core piece feeding manipulator places the valve core piece on the valve core piece adjustment turntable, and determines the position of the valve core piece in cooperation with the electric eye; then, adjusting the direction of the core piece by a core piece detection overturning manipulator, and providing a core piece cleaning part for cleaning; secondly, the valve core piece feeding manipulator installs the adjusted and cleaned valve core piece on the valve body piece and fixes the valve core piece through a threading machine installation bolt;
in S4, first, the safety valve body is conveyed through the safety valve V-shaped vibration passage, and when the safety valve body is facing upward, the safety valve body is stopped by the safety valve detection upper press plate and advances by pressing down the safety valve body facing downward; then, at the output end of the V-shaped vibration channel of the safety valve, a safety valve output station is jacked by a jacking clamp, and a safety valve loading manipulator clamps a safety valve output station and jacks up a safety valve body to load;
in S5, firstly, the valve cover is clamped to a valve cover capping station by the valve cover, wherein the valve cover is output by the vibration channel of the adjusting manipulator; then, the valve cover clamps the valve cover part by six-axis movement of the turnover manipulator; secondly, the dustproof cap clamping transfer manipulator clamps the dustproof cap body on the dustproof cap feeding channel to be separated; thirdly, the dustproof cap body is installed on the valve cover part on the valve cover clamping and overturning mechanical arm by the dustproof cap installing mechanical arm; then, the valve cover changes direction and is loaded with the mechanical arm, the valve cover piece is arranged on the valve body piece, and the valve cover piece is matched with a thread feeding machine;
in S6, first, the opening seat holds the valve body, the gluing pressure head is pressed downward so that the end of the gluing pressure head presses downward the upper end of the held valve body, and simultaneously the gluing driven clamping arm presses downward the groove on the back of the gluing swing arm and the clamping hook head hooks the gluing positioning pin after gluing; aligning and fixing the gluing lower pressing head through the gluing clamping center; then, the push rod drives the gluing rack to be meshed with the gluing lifting rotating gear seat gear to rotate, and meanwhile, the gluing machine rotates to glue.
The invention has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, capital saving, compact structure and convenient use. Thereby realized the equipment of valve body, efficient, degree of automation is high, has realized the equipment of sealing washer.
Drawings
Fig. 1 is a schematic diagram of a conventional check valve.
Fig. 2 is a schematic view of a conventional valve body structure.
Fig. 3 is a schematic structural view of the valve body assembly of the present invention.
Fig. 4 is a partial structural schematic diagram of the assembly apparatus of the present invention.
FIG. 5 is a schematic view of a partial structure of the assembly apparatus of the present invention.
Fig. 6 is a partial three-structure diagram of the present invention.
Fig. 7 is a schematic view showing the overall structure of the check valve of the present invention.
FIG. 8 is a schematic diagram of a test structure of the present invention.
Fig. 9 is a schematic view of a transmission apparatus of the present invention.
Wherein: 4. a working rotating disc; 5. a valve body feeding assembly; 6. a seal ring assembly component; 7. a valve core piece feeding assembly; 8. a safety valve feeding assembly; 9. a valve cover feeding assembly; 10. a valve cover assembly; 11. a gluing component; 12. a valve body output assembly; 13. the valve body outputs the tape; 16. a valve body feeding station; 17. a seal ring feeding station; 18. a valve core piece feeding station; 19. a safety valve assembly station; 20. a valve cover feeding station; 21. a gluing station; 22. an output station; 23. a valve body feeding vibration channel; 24. a valve body member; 25. a valve body feeding manipulator; 26. a valve body clamping seat; 27. a valve body oiling component; 28. the valve body drives the ejector rod; 29. a handle is opened under the valve body; 30. a valve body spring ejector rod; 31. the handle is opened on the valve body; 32. greasing the valve body and grinding the valve body; 33. oiling a moving rod on the valve body; 34. a valve body feeding manipulator; 35. the sealing ring transversely enters the channel; 36. a transverse push rod of a sealing ring; 37. the sealing ring enters the guide inclined plane; 38. a seal ring changing station; 39. the sealing ring is jacked up the step head; 40. the sealing ring is guided to the taper mandrel; 41. a seal ring member; 42. a hollow rod is arranged on the sealing ring; 43. the sealing ring pushes down the sleeve; 44. a valve core piece; 45. a valve core piece feeding manipulator; 46. feeding a silk machine; 47. the valve element detection turning manipulator; 48. a valve core piece adjusting turntable; 49. a valve element cleaning part; 50. a safety valve V-shaped vibration channel; 51. the safety valve detects the upper pressure plate; 52. a safety valve body; 53. a safety valve output station pushes up a clamping hand; 54. a safety valve feeding manipulator; 55. a valve cover member; 56. the valve cover is additionally provided with an adjusting manipulator; 57. a valve cover capping station; 58. the valve cover clamps the turnover manipulator; 59. a dust cap feeding channel; 60. a dust-proof cap body; 61. the dust cap clamps the transfer manipulator; 62. the dust cap is provided with a manipulator; 63. a dust cap assembly station; 64. the valve cover changes direction and is fed to the mechanical arm; 65. a gluing operation part; 66. gluing a pressure head; 67. gluing a swing arm; 68. gluing a pressure head; 69. gluing a driven clamping arm; 70. after gluing, clamping the hook head; 71. gluing a positioning pin; 72. gluing a U-shaped hinged seat; 73. gluing and pressing a lower pressing head; 74. gluing a clamping tip; 75. gluing the rack; 76. gluing a lifting rotating gear seat; 77. the gluing clamp is provided with an opening bracket; 78. opening a gluing process; 79. a glue spreader.
14. A joint feeding assembly; 15. a master transfer manipulator; 80. a joint member; 81. a connector feeding vibration channel; 82. a joint assembly auxiliary manipulator; 83. a joint assembly station; 84. a test bench; 85. a rotation driving section; 86. a transfer manipulator part; 87. testing a sealing ring mounting tool; 88. a test seal ring mounting station; 89. plugging a station; 90. testing a detection station; 91. disassembling and assembling stations; 92. a waste discharge collection frame; 1. a main pipeline; 2. a first valve element assembly portion; 3. a second detection unit.
Detailed Description
As shown in fig. 1, the valve body assembly line of the present embodiment includes a working rotating disc 4, which is disposed on a plurality of clamps, and is used for realizing rotation of a workpiece; a corresponding station is arranged on the working rotating disc 4 to install a corresponding device;
a valve body feeding assembly 5 is arranged at the valve body feeding station 16 and is used for placing the valve body piece 24 on a clamp;
at the seal ring loading station 17, a seal ring assembly 6 is provided for mounting the seal ring member 41 to the valve body member 24;
at the valve core member loading station 18, a valve core member loading assembly 7 is provided for mounting the valve core member 44 to the valve body member 24;
at the safety valve assembly station 19, a safety valve feeding assembly 8 is provided for mounting the safety valve body 52 to the valve body member 24;
a valve cover feeding station 20 is provided with a corresponding valve cover feeding assembly 9 and a corresponding valve cover assembling assembly 10; the valve cover feeding assembly 9 is used for mounting the dustproof cap body 60 on the valve cover piece 55 and then mounting the dustproof cap body on the valve body piece 24 through the valve cover assembly 10 so as to encapsulate the valve core piece 44;
a gluing assembly 11 is arranged at the gluing station 21 and is used for sealing the periphery of the joint of the valve body piece 24;
at the output station 22, a valve body output assembly 12 is provided for outputting the assembled valve body pieces 24 onto the corresponding valve body output ribbons 13.
The valve body feeding assembly 5 comprises a valve body feeding vibration channel 23 used for realizing one-by-one feeding of valve body pieces 24, a valve body feeding manipulator 25 is matched and sleeved on the valve body feeding vibration channel 23, and a valve body middle channel is arranged on one side of the valve body feeding manipulator 25 to place the valve body pieces 24 sent by the valve body feeding manipulator 25;
a valve body clamping seat 26 is arranged on one side of the valve body middle channel, and a valve body oiling component 27 is arranged above the valve body middle channel and used for smearing grease on the corresponding surface of the valve body piece 24;
the valve body oiling component 27 comprises a valve body oiling moving rod 33 and a valve body oiling frame body arranged on the valve body oiling moving rod 33, a valve body lower opening handle 29 and a valve body upper opening handle 31 which are hinged at the ends and can be closed through a spring are arranged on the valve body oiling frame body, and the lower end of the opened valve body lower opening handle 29 abuts against the upper part of the valve body clamping seat 26 to realize limiting; an opening handle 31 on the valve body is opened upwards, a valve body driving ejector rod 28 is hinged on the valve body oiling frame body and is used for extending to eject the corresponding side wall of the opening handle 29 below the valve body and the corresponding side wall of the opening handle 31 on the valve body so as to open; a guide slot hole is arranged at the hinged end part of the lower opening handle 29 of the top valve body, a valve body spring ejector rod 30 in a vertical state is arranged in the guide slot hole, a valve body greasing grinding head 32 is arranged at the lower end of the valve body spring ejector rod 30,
the upper opening handle 31 of the valve body is connected with the upper end of a valve body spring ejector rod 30, the valve body drives the ejector rod 28 to extend, so that the valve body spring ejector rod 30 overcomes the spring force to open and move upwards or backwards, and grease is coated on the corresponding surface of the valve body piece 24 when the spring force and the dead weight move downwards;
the valve body oiling moving rod 33 controls the valve body oiling grinding head 32 to move between an oiling station and an oiling station, the valve body oiling grinding head 32 moves downwards to dip lubricating oil at the oiling station, and grease is coated on the corresponding surface of the valve body piece 24 at the oiling station;
and a valve body feeding manipulator 34 arranged on the output side of the valve body greasing grinding head 32 so as to feed the valve body pieces 24 to the clamping tools on the working rotary disk 4.
The sealing ring assembly component 6 comprises a sealing ring transverse inlet channel 35 for receiving the vibration disc to be sent into the sealing ring piece 41, the terminal of the sealing ring transverse inlet channel 35 is provided with an input end of a radial channel, and the input end of the radial channel is provided with a sealing ring inlet guide inclined plane 37, so that the sealing ring piece 41 is compatible with conveying dislocation;
a sealing ring transverse push rod 36 is arranged in the radial channel and used for pushing a sealing ring piece 41 in the radial channel, a sealing ring changing station 38 is arranged at the output end of the radial channel in a lifting mode, a sealing ring upper ejection step head 39 driven by the push rod is arranged at the sealing ring changing station 38 and used for ejecting the sealing ring piece 41 to leave the output end of the radial channel and positioning and bearing the sealing ring piece 41, a sealing ring guiding taper mandrel 40 is arranged at the center of the sealing ring upper ejection step head 39 in a telescopic mode, a sealing ring lower pushing sleeve 43 controlled by a manipulator is arranged above the sealing ring changing station 38, a sealing ring upper hollow rod 42 is arranged at the center of the sealing ring lower pushing sleeve 43 and used for inserting the sealing ring guiding taper mandrel 40 to bear the sealing ring piece 41 or entering a corresponding hole of the valve piece 24 and ejecting the sealing ring lower pushing sleeve 43 to mount the sealing ring piece 41.
The valve core piece feeding assembly 7 comprises a valve core piece feeding mechanical arm 45, a valve core piece adjusting turntable 48 is arranged on one side of the valve core piece feeding mechanical arm 45, the valve core piece detecting and overturning mechanical arm 47 and a valve core piece cleaning part 49 are matched on the valve core piece adjusting turntable 48, the valve core piece cleaning part 49 is used for cleaning sundries of the valve core piece 44 of the pre-assembled matched flange, and the valve core piece detecting and overturning mechanical arm 47 is used for adjusting the direction of the valve core piece 44; the valve core piece feeding manipulator 45 is used for installing the adjusted and cleaned valve core piece 44 on the valve body piece 24 and fixing the valve core piece by installing bolts through the wire feeding machine 46.
The safety valve feeding assembly 8 comprises a safety valve V-shaped vibration channel 50 for conveying a safety valve body 52, a safety valve detection upper pressure plate 51 is arranged above the safety valve V-shaped vibration channel 50, and when the safety valve body 52 faces upwards, the safety valve detection upper pressure plate 51 blocks the safety valve body 52 and presses the safety valve body 52 downwards to move forwards; and a safety valve output station upper jacking clamping hand 53 is arranged below the output end of the safety valve V-shaped vibration channel 50, a safety valve feeding mechanical hand 54 is arranged above the safety valve output station upper jacking clamping hand, and the safety valve feeding mechanical hand 54 is used for jacking and clamping the safety valve output station upper jacking clamping hand 53 to lift an upward safety valve body 52.
The valve cover feeding assembly 9 comprises a valve cover clamping and adjusting manipulator 56 arranged at the output end of the vibration channel of the valve cover part 55, a valve cover capping station 57 is arranged on one side of the valve cover clamping and adjusting manipulator 56, and a valve cover clamping and overturning manipulator 58 is arranged on the valve cover capping station 57;
the valve cover assembly component 10 comprises a dustproof cap feeding channel 59 arranged on one side of the valve cover clamping and overturning manipulator 58 and used for conveying a dustproof cap body 60; a dustproof cap clamping transfer manipulator 61 is arranged at the output end of the dustproof cap feeding channel 59, a dustproof cap installing manipulator 62 is arranged on one side of the dustproof cap clamping transfer manipulator 61, and the dustproof cap installing manipulator 62 is used for installing a dustproof cap body 60 on a valve cap part 55 on the valve cap clamping turnover manipulator 58 at a dustproof cap component station 63;
the bonnet change to a loading robot 64 mounts the bonnet member 55 to the valve body member 24 at a bonnet assembly station 63 and is associated with a threading machine.
The gluing assembly 11 comprises a gluing operation part 65 for clamping the valve body piece 24, and a gluing pressure head 66 is arranged on the gluing operation part 65; a gluing swing arm 67 is hinged on the gluing pressure head 66, and a gluing pressure head 68 is arranged at the front end of the gluing swing arm 67 and is used for pressing down the upper end of the clamped valve body piece 24;
a gluing positioning pin 71 is respectively arranged on one side of the gluing pressure head 66 and is hinged with a gluing driven clamping arm 69 which is provided with a step for pressing the back of the gluing pressure head 68; the gluing driven clamping arm 69 is provided with a gluing rear clamping head 70 for hooking the gluing positioning pin 71;
a gluing U-shaped hinged seat 72 is hinged on the gluing pressure head 66, a gluing lower pressure head 73 is arranged at the lower end of the gluing U-shaped hinged seat 72, and a gluing clamping center 74 is arranged on the gluing operation part 65 and used for aligning and fixing the gluing lower pressure head 73;
at the gluing station, a gluing rack 75 driven by a push rod and a gluing lifting and rotating gear seat 76 rotating by meshing with the gluing rack 75 through a gear are arranged, a gluing clamping bracket 77 is rotationally arranged below the gluing pressure head 68 and used for supporting the valve body piece 24, and a gluing process opening 78 and a matched gluing machine 79 are arranged on the gluing clamping bracket 77.
The valve body assembly production process of the embodiment is realized by means of a production line; the following processes are performed; by means of the working rotating disc 4;
s1, at the valve body feeding station 16, the valve body feeding assembly 5 places the valve body piece 24 on a clamp;
s2, the gasket assembly 6 mounting the gasket member 41 to the valve body member 24 at the gasket loading station 17;
s3, at the valve core piece loading station 18, the valve core piece loading assembly 7 mounts the valve core piece 44 to the valve body piece 24;
s4, at the safety valve assembling station 19, the safety valve feeding assembly 8 for mounting the safety valve body 52 to the valve body member 24;
s5, after the dustproof cap body 60 is mounted on the valve cover piece 55 at the valve cover feeding station 20 and the valve cover feeding assembly 9, the dustproof cap body is mounted on the valve body piece 24 through the valve cover assembly 10 to encapsulate the valve core piece 44;
s6, in the gluing station 21, the gluing component 11 seals the periphery of the joint of the valve body piece 24;
s7, at outfeed station 22, valve body outfeed assembly 12 outfeeds the assembled valve body pieces 24 onto corresponding valve body outfeed strips 13.
In S1, first, the valve body loading vibration passage 23 loads the valve body pieces 24 one by one; then, the valve body loading manipulator 25 puts the valve body piece 24 on the valve body middle channel; secondly, the valve body greasing moving rod 33 controls the valve body greasing grinding head 32 to move between a greasing station and a greasing station, the valve body greasing grinding head 32 descends to dip lubricating oil at the greasing station, grease is smeared on the corresponding surface of the valve body piece 24 at the greasing station, when the grease is smeared, the opening handle 31 on the valve body is connected with the upper end of the valve body spring ejector rod 30, the valve body drive ejector rod 28 extends to enable the valve body spring ejector rod 30 to open upwards or backwards by overcoming the spring force, and the valve body greasing grinding head 32 descends under the spring force and the dead weight to smear the corresponding surface of the valve body piece 24 and upwards leaves after smearing; then, the valve body loading robot 34 feeds the valve body pieces 24 to the molds on the working rotary disk 4.
In S2, first, the seal ring lateral inlet passage 35 receives the vibration plate feeding seal ring member 41; secondly, the sealing ring transverse push rod 36 pushes the sealing ring piece 41 to a sealing ring changing station 38 in a radial channel; thirdly, under the guide of the seal ring guide taper mandrel 40, the seal ring upper top step head 39 and the seal ring member 41 leave the output end of the radial channel; then, the hollow rod 42 on the sealing ring controlled by the manipulator descends, is inserted into the guiding taper mandrel 40 of the sealing ring, and is matched with and receives the sealing ring part 41 through the top step head 39 on the sealing ring; then, the hollow rod 42 on the sealing ring moves to the corresponding hole of the valve body piece 24 and is inserted downwards for centering, the lower pushing sleeve 43 of the sealing ring moves downwards while the hollow rod 42 on the sealing ring moves upwards, and the sealing ring piece 41 is installed;
in S3, first, the valve core piece feeding manipulator 45 places the valve core piece 44 on the valve core piece adjusting dial 48, and determines the position of the valve core piece 44 in cooperation with the electric eye; then, the direction of the valve core piece 44 is adjusted through the core piece detection overturning mechanical arm 47, and a valve core piece cleaning part 49 is provided for cleaning; secondly, the valve core piece feeding manipulator 45 installs the adjusted and cleaned valve core piece 44 on the valve body piece 24 and fixes the valve core piece by installing bolts through the wire feeding machine 46;
in S4, first, the safety valve body 52 is conveyed through the safety valve V-shaped vibration passage 50, and when the safety valve body 52 is directed upward, it is blocked by the safety valve detection upper pressure plate 51 and pushed forward by the safety valve body 52 directed downward; then, at the output end of the safety valve V-shaped vibration channel 50, a safety valve output station top clamping hand 53 is used for jacking, a safety valve feeding manipulator 54 clamps the safety valve output station top clamping hand 53 to lift the ascending safety valve body 52 for feeding;
in S5, first, the bonnet clamps the bonnet member 55 output from the vibration channel of the adjustment robot 56 to the bonnet capping station 57; then, the bonnet clamping and overturning manipulator 58 clamps the bonnet part 55 through six-axis movement; secondly, the dustproof cap clamping transfer manipulator 61 clamps the dustproof cap body 60 on the dustproof cap feeding channel 59 to be separated; thirdly, the dustproof cap body 60 is mounted on the valve cap part 55 on the valve cap clamping and overturning manipulator 58 by the dustproof cap mounting manipulator 62; then, the bonnet turning feeding manipulator 64 mounts the bonnet part 55 on the valve body part 24 and is matched with a threading machine;
in S6, first, the opening bracket 77 holds the valve body 24, the gluing ram 68 is pressed downward so that the end portion thereof presses the upper end of the held valve body 24, and at the same time, the gluing driven detent arm 69 presses downward the groove on the back surface of the gluing swing arm 67 and the gluing positioning pin 71 is hooked by the hook 70 after gluing; the gluing lower pressure head 73 is aligned and fixed through the gluing clamping center 74; then, the pusher drives the gluing rack 75 to rotate in gear engagement with the gluing elevation rotation gear base 76, and at the same time, the gluing machine 79 rotates for gluing.
The invention realizes the connection of stations by the rotation of the working rotating disc 4, can be matched with an auxiliary manipulator or manpower, a fan, a feeding channel and the like to realize assistance, the valve body feeding assembly 5 realizes the assembly of a valve body overall frame, the sealing ring assembly 6 realizes the assembly and the feeding installation of a sealing ring, the valve core piece feeding assembly 7 realizes the assembly of a valve core, the safety valve feeding assembly 8 realizes the installation of a safety valve, the valve cover feeding assembly 9 realizes the feeding of a valve cover, the valve cover assembly 10 realizes the assembly of an outer protective cover, the gluing assembly 11 realizes the coating of sealant at the joint of departments such as the valve cover and the like, the valve body output assembly 12 realizes the output of the valve body to an overall assembly line, the valve body output belt 13 can be a straight line or a deformation line so as to meet different requirements, the joint feeding assembly 14 realizes the external connection of a required threaded joint or a park joint, the main part transfer manipulator 15 is matched, the specific positions of a valve body feeding station 16, a sealing ring feeding station 17, a valve core part feeding station 18, a safety valve assembling station 19, a valve cover feeding station 20, a gluing station 21 and an output station 22 are adjusted according to a factory building and a production line, vibration feeding is realized by a valve body feeding vibration channel 23, the valve body part 24 is conveyed, feeding is realized by a valve body feeding manipulator 25, a valve body clamping seat 26 is skillfully designed, a valve body oiling component 27 is used for coating grease on a joint surface to realize a lubricating device of parts such as a sealing ring and the like, a valve body driving ejector rod 28 is driven to open and close, a valve body lower opening handle 29 is driven to open in a limiting way, a valve body spring ejector rod 30 is driven to pull, an opening handle 31 on the valve body is driven to open upwards to realize traction, a valve body oiling grinding head 32 can be spongy and is preferably driven to rotate, a valve body oiling moving rod 33 is used for realizing displacement during oiling and oil staining, the valve body feeding manipulator 34 realizes feeding of the valve body, the mould can be adapted according to a matched valve body, a sealing ring transverse entering channel 35 is connected with a material arranging disc to realize feeding, a sealing ring transverse push rod 36 realizes turning feeding, a sealing ring enters a guide inclined plane 37, compatibility is achieved, output is realized at a sealing ring change station 38, one-support one-plug is realized between a sealing ring upper ejection step head 39 and a sealing ring guide taper mandrel 40, the sealing ring is ejected and output, one-by-one output is realized at a sealing ring piece 41, a lower-plug mandrel is realized at a sealing ring upper hollow rod 42, the sealing ring is received, and a sealing ring lower push sleeve 43 realizes that the sealing ring leaves the hollow rod downwards and is installed. The valve core piece 44 is fed through a valve core piece feeding manipulator 45, the feeding machine 46 can be matched with a required station, a wire feeder and the like, the valve core piece detecting and overturning manipulator 47 is matched with an electric eye, the valve core piece adjusting turntable 48 realizes azimuth adjustment to avoid misloading, the valve core piece cleaning part 49 can be matched with a brush, an air pump and the like, the safety valve V-shaped vibration channel 50 realizes guide installation, the safety valve detecting and upper pressing plate 51 realizes downward pressing installation and pushing away, the safety valve body 52 realizes self-positioning through V-shaped, the safety valve output station is pushed up by a clamping hand 53, the safety valve feeding manipulator 54 realizes feeding of the safety valve body, aiming at a valve cover piece 55, the valve cover adding and adjusting manipulator 56, the valve cover station 57 realizes installation, the valve cover adding and overturning manipulator 58 is matched with the electric eye to realize adjustment of direction and angle, the dust cap feeding channel 59 realizes conveying of a dust cap body 60, and the dust cap adding and middle rotating manipulator 61 is clamped by the dust cap, the assembly of dust cap installation manipulator 62 in dust cap subassembly station 63, realize diversion and transport through valve gap diversion material loading manipulator 64, rubber coating operation portion 65, can still be the arm, it keeps away from the workstation, avoid the glue solution to pollute, rubber coating pressure head 66 realizes pushing down through manual work or manipulator, through rubber coating swing arm 67, rubber coating pressure head 68, driven screens arm 69 of rubber coating, behind the rubber coating trip head 70, rubber coating locating pin 71, articulated seat 72 of rubber coating U type, rubber coating pressure head 73 down, rubber coating screens apex 74, rubber coating rack 75, rubber coating lift rotating gear seat 76, the rubber coating centre gripping has opening bracket 77, rubber coating technology opening 78, spreading machine 79, realized rubber coating and rotary drive, and pushed down the location.
As shown in fig. 1 to 9, in the check valve assembling line of the present embodiment, a first valve element assembly portion 2 and a second detection portion 3 are respectively provided at side portions of a main flow line 1;
the first valve component part 2 comprises a working rotating disc 4 which is arranged on a plurality of clamps and is used for realizing the rotation of a workpiece; a corresponding station is arranged on the working rotating disc 4 to install a corresponding device;
at the output station 22, a valve body output assembly 12 is provided for outputting the assembled valve body pieces 24 onto the corresponding valve body output belts 13;
a connector feeding assembly 14 is arranged on one side of the valve body output belt 13, is used for installing a corresponding connector on the valve body piece 24, and is provided with a manual station and/or an auxiliary manipulator;
the joint feeding assembly 14 comprises a joint feeding vibration channel 81 for outputting the joint piece 80, a joint assembling table 83 is arranged at the output end of the joint feeding vibration channel 81, and a joint assembling auxiliary manipulator 82 walks among the output end of the joint feeding vibration channel 81, the joint assembling table 83 and the valve body output belt 13;
a main relay robot 15 is provided at the output end of the valve body output tape 13, and the main relay robot 15 is used to place the valve body 24 on the main flow line 1.
The second detection unit 3 includes a test table 84 provided on the main line 1 side; distributed on the test worktable 84
A rotary driving part 85 is arranged at the lower part of the test workbench 84 to drive the test workbench 84 to rotate; disposed on the test bench 84 is a test table,
the transfer station is provided with a transfer mechanical hand part 86 and is used for realizing the movement of the valve body part 24 between the test workbench 84 and the main assembly line 1;
a test seal ring mounting station 88 provided with a test seal ring mounting tool 87 for mounting a seal ring for testing on the valve body member 24;
a plugging station 89 provided with a manual work and a manipulator and used for plugging the corresponding interface of the valve body part 24;
a test detection station 90, one side of which is provided with a test station;
the disassembling and assembling station 91 is provided with a waste discharge collecting frame 92 and a manual station.
A valve body feeding assembly 5 is arranged at the valve body feeding station 16 and is used for placing the valve body piece 24 on a clamp;
at the seal ring loading station 17, a seal ring assembly 6 is provided for mounting the seal ring member 41 to the valve body member 24;
at the valve core member feeding station 18, a valve core member feeding assembly 7 is provided for mounting the valve core member 44 to the valve body member 24;
at the safety valve assembly station 19, a safety valve feeding assembly 8 is provided for mounting the safety valve body 52 to the valve body member 24;
a valve cover feeding station 20 is provided with a corresponding valve cover feeding assembly 9 and a corresponding valve cover assembling assembly 10; the valve cover feeding assembly 9 is used for mounting the dustproof cap body 60 on the valve cover piece 55 and then mounting the dustproof cap body on the valve body piece 24 through the valve cover assembly 10 so as to encapsulate the valve core piece 44;
at the gluing station 21, a gluing assembly 11 is provided for sealing the periphery of the joint of the valve body pieces 24.
The check valve manufacturing method of the present embodiment performs the steps of carrying out the conveyance of the valve body member 24 through the main flow line 1;
firstly, the valve body piece 24 is assembled by means of the first valve component part 2;
and step two, testing the valve body piece 24 by means of the second detection part 3.
In step one, the following steps are performed,
s8, the valve body piece 24 is placed on the main assembly line 1 by the main transfer manipulator 15; first, the joint assembling auxiliary robot 82 places the joint 80 on the joint assembling table 83; then, on the joint assembling table 83, the direction and position of the joint 80 are adjusted; then, the joint assembly auxiliary robot 82 places the joint 80 on the valve body output tape 13;
s9, the valve body member 24 is placed on the main line 1 by the main relay robot 15.
Prior to step S8, S1, at valve body loading station 16, valve body loading assembly 5 places valve body pieces 24 onto a fixture; s2, the gasket assembly 6 mounting the gasket member 41 to the valve body member 24 at the gasket loading station 17; s3, at the valve core piece loading station 18, the valve core piece loading assembly 7 mounts the valve core piece 44 to the valve body piece 24; s4, at the safety valve assembling station 19, the safety valve feeding assembly 8 for mounting the safety valve body 52 to the valve body member 24; s5, after the dustproof cap body 60 is mounted on the valve cover piece 55 at the valve cover feeding station 20 and the valve cover feeding assembly 9, the dustproof cap body is mounted on the valve body piece 24 through the valve cover assembly 10 to encapsulate the valve core piece 44; s6, in the gluing station 21, the gluing component 11 seals the periphery of the joint of the valve body piece 24; s7, at outfeed station 22, valve body outfeed assembly 12 outfeeds the assembled valve body pieces 24 onto corresponding valve body outfeed strips 13.
In step S2, with the aid of the test bench 84;
s2.1, at a transfer station, a transfer mechanical hand 86 realizes that the valve body piece 24 moves between the test workbench 84 and the main assembly line 1;
s2.2, at a test sealing ring mounting station 88, a test sealing ring mounting tool 87 mounts a sealing ring for testing on the valve body piece 24;
s2.3, plugging the corresponding interface of the valve body piece 24 at a plugging station 89 by manpower and a manipulator;
s2.4, at a test detection station 90, accessing the valve body piece 24 through a test station to perform pressure maintaining sealing test;
s2.5, disassembling the valve body piece 24 at a disassembling and assembling station 91, placing a sealing ring for testing into a waste collection frame 92, and adding a protective cap to a joint;
s2.6, at the transfer station, the transfer mechanical hand part 86 realizes the movement of the valve body part 24 between the test workbench 84 and the main assembly line 1. As shown in fig. 1-9, the present invention realizes the installation of a joint part 80, a joint feeding vibration channel 81, a joint assembling auxiliary mechanical arm 82, and the assembly of a valve body on a joint assembling table 83, which can be a plurality of stations, to improve efficiency, and realizes automatic rotation and bearing on a test working table 84, a rotation driving part 85 to realize rotation driving, a transfer mechanical hand 86 to realize installation, a test seal ring installation tool 87 to be matched with a corresponding seal ring installation station 88, a plugging station 89 to plug an interface, such as an outlet or an overflow port, a test detection station 90 to be connected with a pump station to realize water filling and pressure maintaining test, and realize corresponding test by opening and closing a check valve, a disassembling station 91 to remove the plug, a waste discharge collection frame 92 to throw away the seal ring and the plug, and a main assembly line 1 to realize the installation and detection of other parts and matched workpieces, and other steps.
The present invention has been described in sufficient detail for clarity of disclosure and is not exhaustive of the prior art.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention. The technical contents not described in detail in the present invention are all known techniques.
Claims (4)
1. A check valve manufacturing method characterized by: carrying out the following steps, by means of the main flow line (1), of effecting the transfer of the valve body member (24);
firstly, the valve body piece (24) is assembled by means of the first valve component part (2);
and step two, testing the valve body piece (24) by means of the second detection part (3).
2. The check valve manufacturing method according to claim 1, wherein: in step one, the following steps are performed,
s8, the valve body piece (24) is placed on the main assembly line (1) by the main transfer manipulator (15); firstly, a joint assembly auxiliary manipulator (82) places a joint piece (80) on a joint assembly table (83); then, on the joint assembling table (83), the direction and position of the joint piece (80) are adjusted; then, the joint assembly auxiliary manipulator (82) places the joint piece (80) on the valve body output belt (13);
and S9, placing the valve body piece (24) on the main assembly line (1) through the main transfer manipulator (15).
3. The check valve manufacturing method according to claim 2, wherein: before step S8, S1, the valve body loading assembly (5) places the valve body piece (24) on the jig at the valve body loading station (16); s2, the seal ring assembly (6) mounts the seal ring member (41) to the valve body member (24) at the seal ring loading station (17); s3, installing the valve core piece (44) on the valve body piece (24) by the valve core piece loading assembly (7) at the valve core piece loading station (18); s4, at the safety valve assembling station (19), a safety valve feeding assembly (8) is used for installing the safety valve body (52) on the valve body piece (24); s5, after the dustproof cap body (60) is mounted on the valve cover piece (55), the valve cover feeding assembly (9) is mounted on the valve body piece (24) through the valve cover assembly (10) at the valve cover feeding station (20) to package the valve core piece (44); s6, in the gluing station (21), the gluing component (11) seals the periphery of the joint of the valve body piece (24); s7, at the output station (22), the valve body output assembly (12) outputs the assembled valve body pieces (24) to the corresponding valve body output belts (13).
4. The check valve manufacturing method according to claim 1, wherein: in step S2, with the aid of a test bench (84);
s2.1, at a transfer station, a transfer mechanical hand part (86) realizes that the valve body part (24) moves between the test workbench (84) and the main assembly line (1);
s2.2, at a test sealing ring mounting station (88), a test sealing ring mounting tool (87) is used for mounting a sealing ring for testing on the valve body piece (24);
s2.3, plugging the corresponding interface of the valve body part (24) at a plugging station (89) through manpower and a manipulator;
s2.4, at a test detection station (90), a valve body piece (24) is connected through a test station to perform pressure maintaining sealing test;
s2.5, disassembling the valve body piece (24) at a disassembling and assembling station (91), placing a sealing ring for testing into a waste collection frame (92), and adding a protective cap to a joint;
s2.6, at the transfer station, the transfer mechanical hand part (86) realizes that the valve body part (24) moves between the test workbench (84) and the main assembly line (1).
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| CN202210672406.9A CN115007411B (en) | 2022-06-14 | 2022-06-14 | Method for manufacturing check valve |
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| CN202210672406.9A CN115007411B (en) | 2022-06-14 | 2022-06-14 | Method for manufacturing check valve |
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| CN103707060A (en) * | 2013-12-19 | 2014-04-09 | 周俊雄 | Automatic assembly machine for kettle valve of coffee maker |
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| CN111928813A (en) * | 2020-06-30 | 2020-11-13 | 温州大学瓯江学院 | Valve core assembling method |
| US20210060717A1 (en) * | 2019-09-03 | 2021-03-04 | Dongguan University Of Technology | Riveting and grinding assembly for ther nozzle of a screw shaft valve |
| CN113275852A (en) * | 2021-05-07 | 2021-08-20 | *** | Flow control valve assembly process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103707060A (en) * | 2013-12-19 | 2014-04-09 | 周俊雄 | Automatic assembly machine for kettle valve of coffee maker |
| CN107263092A (en) * | 2017-06-14 | 2017-10-20 | 温岭德光自动化设备有限公司 | A kind of triple valve kludge and its assemble method |
| US20210060717A1 (en) * | 2019-09-03 | 2021-03-04 | Dongguan University Of Technology | Riveting and grinding assembly for ther nozzle of a screw shaft valve |
| CN111482791A (en) * | 2020-05-06 | 2020-08-04 | 开平赛道龙头配件有限公司 | Automatic valve element assembly line |
| CN111928813A (en) * | 2020-06-30 | 2020-11-13 | 温州大学瓯江学院 | Valve core assembling method |
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