Automatic tapping machine for valve rod nut

By designing an automated valve stem nut tapping machine, the problems of high labor intensity and debris sputtering of conventional tapping machines are solved, and automated processing and safety protection are achieved.

CN223235227UActive Publication Date: 2025-08-19TONGLING ZHIYUAN VALVE ACCESSORIES CO LTD
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Patent Information

Application Number
CN202422400156.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-08-19
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

When conventional tapping machines perform tapping on valve stem nuts, manual labor intensity is high and metal debris are prone to sputtering to cause damage to workers.

Method used

An automatic tapping machine for valve stem nuts is designed, using a motor to drive the rotation of the rotating shaft and the circular plate, automatically switch the position of the placement hole, and combine the protective cover and the shielding mechanism to achieve automatic processing and debris protection.

Benefits of technology

Automatic continuous processing is realized, labor intensity is reduced, debris sputtering is prevented, and workers are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a valve rod nut automatic tapping machine which comprises a supporting plate, a mounting groove is formed in the top of the supporting plate, and a through hole is formed in the inner wall of the bottom of the mounting groove. The shell is fixedly installed at the bottom of the supporting plate, and a discharging opening is formed in the bottom of the shell; the circular plate is rotationally mounted on the inner wall of the mounting groove, and two placing holes for placing valve rod nuts are formed in the circular plate; the first motor is fixedly mounted on the inner wall of the bottom of the shell; and the rotating shaft is rotationally mounted on the inner wall of the bottom of the mounting groove, the bottom end of the rotating shaft extends into the shell, and the bottom end of the rotating shaft is fixedly connected with an output shaft of the first motor. According to the automatic tapping machine for the valve rod nut, the problems that when a conventional tapping machine conducts tapping operation on the valve rod nut, the manual labor intensity is large, and splashed chippings are prone to injuring workers are solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of valve stem nut processing, in particular to an automatic tapping machine for valve stem nuts. Background Art

[0002] Tapping machines are often used in the machining of valve stem nuts. Tapping machines are a type of machining equipment used to create internal threads (also known as threads) on the inside surfaces of parts with through or blind holes, such as valve stem nuts. The machine's operating principle is to secure the valve stem nut to the machine's workbench and then use the tapping head to spin the nut at high speed, creating the desired threads on the nut's inner surface.

[0003] When a conventional tapping machine is used to tap valve stem nuts, workers need to frequently manually place the valve stem nuts to be processed on the workbench of the tapping machine and manually remove them after processing. This process is time-consuming and labor-intensive, and the labor intensity is high. In addition, the high-speed rotation and cutting of the tapping head during the tapping process will generate a large amount of metal debris, which can easily splash onto the workers and cause damage to the artificial skin. Utility Model Content

[0004] The utility model provides an automatic tapping machine for valve stem nuts, aiming to solve the problems of high labor intensity and easy injury to workers caused by splashed debris when tapping valve stem nuts by conventional tapping machines proposed in the above background technology.

[0005] In order to solve the above problems, the utility model is implemented as follows: an automatic tapping machine for valve stem nuts, comprising: a support plate, a mounting groove is provided on the top of the support plate, and a through hole is provided on the bottom inner wall of the mounting groove that is connected to the outside world; a shell fixedly installed at the bottom of the support plate and accommodating the mounting groove, and a discharge port is provided at the bottom of the shell; a circular plate rotatably installed in the mounting groove, and two placement holes for placing valve stem nuts are provided on the upper surface of the circular plate, which are symmetrically distributed about the center, and one of the placement holes corresponds to the position of the through hole; a first motor fixedly installed on the bottom inner wall of the shell; the discharge port, The discharge port is opened at the bottom of the shell; a rotating shaft is rotatably installed at the bottom of the mounting groove, and the bottom end of the rotating shaft is fixedly connected to the output shaft of the first motor; a bracket is fixedly installed on the support plate, and a vertically distributed tube body for storing the valve stem nut is welded on the bracket, and the bottom of the tube body is docked with another placement hole; a support block is fixedly installed on one side of the tube body at one end, and a protective cover for anti-splashing is fixedly installed on the other end of the support block, and the protective cover is arranged in a ring shape; a tapping mechanism for processing the valve stem nut is installed on the support plate; a shielding mechanism is assembled on the support plate for shielding the through hole.

[0006] Preferably, the tapping mechanism includes: a rodless cylinder fixedly mounted on the top of the support plate, a horizontal plate fixedly mounted on the sliding block of the rodless cylinder; a second motor fixedly mounted on the horizontal plate, a tapping head located above the through hole fixedly mounted on the output shaft of the second motor.

[0007] Preferably, the shielding mechanism includes: a cylinder fixedly mounted on the bottom of the support plate and located in the shell; and a baffle fixedly mounted on the cylinder output rod, wherein the baffle is located below the through hole when the cylinder output rod is extended.

[0008] Preferably, a limiting rod is fixedly installed on the top of the support block, and the limiting rod is slidably connected to the transverse plate.

[0009] Preferably, an inclined plate is fixedly mounted on the bottom of the support plate, and the inclined plate is located inside the shell and has its bottom pointing toward the discharge port.

[0010] Preferably, a controller is fixedly mounted on the bottom inner wall of the shell, and the bracket is configured to be L-shaped.

[0011] Preferably, a control panel is fixedly mounted on the top of the support plate, and a plurality of supporting legs are fixedly mounted on the bottom of the shell.

[0012] Compared with the related art, the valve stem nut automatic tapping machine provided by the utility model has the following beneficial effects:

[0013] Compared with the prior art, the valve stem nut automatic tapping machine provided by the present invention can be manually operated through the control panel, which can be used to start or shut down the tapping machine. The tapping machine can automatically realize continuous processing of the valve stem nut through the setting of the controller. During the processing, the first motor will first drive the rotating shaft to rotate half a circle, and the rotating shaft will drive the circular plate to rotate half a circle, and then the two placement holes on the circular plate can be swapped. In this way, the placement hole with the valve stem nut can be moved to the top of the through hole, and the empty placement hole can be moved to the bottom of the pipe body, so that the pipe body can put the bottom valve stem nut into it, and then the tapping mechanism will tap the valve stem nut below. During the tapping process, the sputtered debris The chips will be blocked by the protective cover, thereby protecting the safety of the workers and effectively preventing the chips from splashing onto the workers' bodies. After the tapping is completed, the tapping mechanism will return to its initial state, and then the shielding mechanism will release the shielding of the through hole, so that the processed valve stem nut can fall from the through hole position and finally be discharged from the discharge port. After discharge, the shielding mechanism will block the through hole again, and then the tapping machine will continue to repeat the same work, and can automatically process the valve stem nuts in the pipe body one by one. Workers do not need to frequently put in and take out the valve stem nuts, which saves time and effort and greatly reduces labor intensity. Through the use of the inclined plate, the processed valve stem nuts can be prevented from remaining in the shell, so that the processed valve stem nuts can be smoothly discharged from the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic cross-sectional view of an automatic tapping machine for valve stem nuts provided by the utility model;

[0015] Figure 2 for Figure 1 Schematic diagram of the enlarged structure of part A shown in FIG;

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the horizontal plate and the limiting rod in the utility model.

[0017] Figure numerals: 1. Support plate; 2. Shell; 3. Circular plate; 4. First motor; 5. Rotating shaft; 6. Bracket; 7. Tube body; 8. Support block; 9. Protective cover; 10. Rodless cylinder; 11. Horizontal plate; 12. Second motor; 13. Tapping head; 14. Limit rod; 15. Cylinder; 16. Baffle; 17. Inclined plate. DETAILED DESCRIPTION

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein in the specification of the application are for the purpose of describing specific embodiments only and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the description of the above-mentioned drawings, as well as any variations thereof, are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention.

[0019] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0020] The present invention provides a valve stem nut automatic tapping machine. Figure 1-3 As shown, the valve stem nut automatic tapping machine comprises: a support plate 1, the top of the support plate 1 is provided with a mounting groove, and the bottom inner wall of the mounting groove is provided with a through hole communicating with the outside world; a shell 2 fixedly installed at the bottom of the support plate 1 and accommodating the mounting groove, and the bottom of the shell 2 is provided with a discharge port; a circular plate 3 rotatably installed in the mounting groove, the upper surface of the circular plate 3 is provided with two placement holes for placing the valve stem nuts distributed symmetrically about the center, and one of the placement holes corresponds to the position of the through hole; a first motor 4 fixedly installed on the bottom inner wall of the shell 2; a discharge port, which is provided at the bottom of the shell; A rotating shaft 5 is movably mounted at the bottom of the mounting groove, and the bottom end of the rotating shaft 5 is fixedly connected to the output shaft of the first motor 4; a bracket 6 is fixedly mounted on the support plate 1, and a vertically distributed tube body 7 for storing the valve stem nut is welded on the bracket 6, and the bottom of the tube body is docked with another placement hole; a support block 8 is fixedly mounted on one side of the tube body 7 at one end, and a protective cover 9 for anti-splashing is fixedly mounted on the other end of the support block 8, and the protective cover 9 is arranged in a ring shape; a tapping mechanism for processing the valve stem nut is mounted on the support plate 1; and a shielding mechanism is assembled on the support plate 1 for shielding the through hole.

[0021] In this embodiment, when the tapping machine is in use, multiple valve stem nuts to be processed are placed in the pipe body 7 for storage, and the bottom valve stem nut will slide into one of the placement holes on the circular plate 3. Then the power of the tapping machine is started, so that the tapping machine can automatically run according to the settings of relevant technicians. During the operation, the first motor 4 will first drive the rotating shaft 5 to rotate half a circle, and the rotating shaft 5 will drive the circular plate 3 to rotate half a circle, so that the two placement holes on the circular plate 3 can be swapped. In this way, the placement hole where the valve stem nut is placed can be moved to the top of the through hole, and the empty placement hole will be moved to the bottom of the pipe body 7, so that the pipe body 7 can put the bottom valve stem nut into In it, the tapping mechanism will then tap the valve stem nut above the through hole. During the tapping process, the splashed debris will be blocked by the protective cover 9, thereby protecting the safety of the workers and effectively preventing the debris from splashing onto the workers' bodies. After the tapping is completed, the tapping mechanism will return to its initial state, and then the shielding mechanism will release the shielding of the through hole, so that the processed valve stem nut can fall from the through hole position and finally be discharged from the discharge port. After discharge, the shielding mechanism will block the through hole again, and then the tapping machine will continue to repeat the above work, so that workers do not need to frequently put in and take out the valve stem nuts, which saves time and effort, greatly reduces labor intensity, and has a better use effect.

[0022] In a further preferred embodiment of the present invention, the tapping mechanism includes: a rodless cylinder 10 fixedly mounted on the top of the support plate 1, a horizontal plate 11 fixedly mounted on the sliding block of the rodless cylinder 10; a second motor 12 fixedly mounted on the horizontal plate 11, a tapping head 13 located above the through hole fixedly mounted on the output shaft of the second motor 12.

[0023] In this embodiment, the tapping mechanism is used to process the valve stem nut. When in use, the rodless cylinder 10 and the second motor 12 are started at the same time. The rodless cylinder 10 will drive the cross plate 11 to move vertically, and the cross plate 11 will drive the second motor 12 and the tapping head 13 to move vertically. During this process, the second motor 12 will also drive the tapping head 13 to rotate, so that the vertically moving tapping head 13 can tap the valve stem nut below. After completing the work, the tapping mechanism will restore its initial state through reverse movement.

[0024] In a further preferred embodiment of the present invention, the shielding mechanism includes: a cylinder 15 fixedly mounted on the bottom of the support plate 1 and located in the shell; a baffle 16 fixedly mounted on the output rod of the cylinder 15, and the baffle is located below the through hole when the cylinder output rod is extended.

[0025] In this embodiment, the blocking mechanism is used to block the through hole. When the processed valve stem nut needs to be discharged, the cylinder 15 is started to shorten the output rod of the cylinder 15, so that the baffle 16 can release the blocking of the through hole, so that the processed valve stem nut can fall from the through hole into the shell 2, and finally be discharged from the discharge port on the shell 2. The discharge is more convenient. After discharge, the output rod of the cylinder 15 extends, thereby driving the baffle 16 to move, so that the baffle 16 blocks the through hole again.

[0026] In a further preferred embodiment of the present invention, a limiting rod 14 is fixedly installed on the top of the support block 8 , and the limiting rod 14 is slidably connected to the transverse plate 11 .

[0027] In this embodiment, the use of the limiting rod 14 can improve the stability of the horizontal plate 11 during vertical movement, so as to prevent the horizontal plate 11 from shaking and tilting due to weight reasons during lifting.

[0028] In a further preferred embodiment of the present invention, an inclined plate 17 is fixedly installed on the bottom of the support plate 1. The inclined plate 17 is located inside the shell 2 and its bottom points to the discharge port.

[0029] In this embodiment, the use of the inclined plate 17 can prevent the processed valve stem nut from remaining in the housing 2, so that the processed valve stem nut can be smoothly discharged from the discharge port.

[0030] In a further preferred embodiment of the present invention, a controller is fixedly mounted on the bottom inner wall of the housing 2 , and the bracket 6 is configured to be L-shaped.

[0031] In this embodiment, through the setting of the controller, the operation of the tapping machine can be controlled according to the setting of relevant technical personnel, so that the various electrical equipment on the tapping machine can realize automatic processing of the valve stem nut by cooperating with each other.

[0032] In a further preferred embodiment of the present invention, a control panel is fixedly mounted on the top of the support plate 1 , and a plurality of supporting legs are fixedly mounted on the bottom of the shell 2 .

[0033] In this embodiment, the control panel can facilitate workers to manually control the tapping machine, and the tapping machine can be supported at a suitable height for use by a plurality of supporting legs.

[0034] To sum up, compared with the relevant technology, the present solution can manually operate the tapping machine through the control panel, and can be used to start or shut down the tapping machine. Through the setting of the controller, the tapping machine can automatically realize the continuous processing of the valve stem nut. During the processing, the first motor 4 will first drive the rotating shaft 5 to rotate half a circle, and the rotating shaft 5 will drive the circular plate 3 to rotate half a circle, and then the two placement holes on the circular plate 3 can be swapped. In this way, the placement hole with the valve stem nut can be moved to the top of the through hole, and the empty placement hole will be moved to the bottom of the tube body 7, so that the tube body 7 can put the bottom valve stem nut into it, and then the tapping mechanism will tap the valve stem nut below. During the tapping process, the splashed debris will be It will be blocked by the protective cover 9, thereby protecting the safety of the workers and effectively preventing debris from splashing onto the workers' bodies. After tapping is completed, the tapping mechanism will return to its initial state, and then the shielding mechanism will release the shielding of the through hole, so that the processed valve stem nut can fall from the through hole position and finally be discharged from the discharge port. After discharge, the shielding mechanism will block the through hole again, and then the tapping machine will continue to repeat the same work, and can automatically process the valve stem nuts in the pipe body 7 one by one, without the need for workers to frequently put in and take out the valve stem nuts, which is more time-saving and labor-saving, and greatly reduces labor intensity. Through the use of the inclined plate 17, the processed valve stem nuts can be prevented from remaining in the shell 2, so that the processed valve stem nuts can be smoothly discharged from the discharge port.

[0035] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0036] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope to be protected by the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making any creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope to be protected by the present invention.

Claims

1. An automatic tapping machine for valve stem nuts, characterized in that: include: A support plate, wherein a mounting groove is provided on the top of the support plate, and a through hole communicating with the outside is provided on the bottom inner wall of the mounting groove; a shell fixedly mounted on the bottom of the support plate and accommodating the mounting groove, and a discharge port is provided at the bottom of the shell; a circular plate rotatably mounted in the mounting groove, and two placement holes for placing valve stem nuts are provided on the upper surface of the circular plate, which are symmetrically distributed about the center, and one of the placement holes corresponds to the position of the through hole; a first motor fixedly mounted on the bottom inner wall of the shell; a discharge port, wherein the discharge port is provided at the bottom of the shell; a rotating shaft rotatably mounted at the bottom of the mounting groove, and the bottom end of the rotating shaft is fixedly connected to the output shaft of the first motor; a bracket fixedly mounted on the support plate, and a vertically distributed tube body for storing valve stem nuts is welded on the bracket, and the bottom of the tube body is docked with another placement hole; a support block fixedly mounted on one side of the tube body at one end, and a protective cover for splashing prevention is fixedly mounted on the other end of the support block, and the protective cover is arranged in a ring shape; a tapping mechanism mounted on the support plate for processing valve stem nuts; a shielding mechanism assembled on the support plate for shielding the through hole.

2. The automatic tapping machine for valve stem nuts according to claim 1, characterized in that: The tapping mechanism includes: a rodless cylinder fixedly mounted on the top of the support plate, a horizontal plate fixedly mounted on the sliding block of the rodless cylinder; a second motor fixedly mounted on the horizontal plate, a tapping head located above the through hole fixedly mounted on the output shaft of the second motor.

3. The valve stem nut automatic tapping machine according to claim 2, characterized in that: The shielding mechanism includes: a cylinder fixedly mounted on the bottom of the support plate and located in the shell; a baffle fixedly mounted on the cylinder output rod, and the baffle is located below the through hole when the cylinder output rod is extended.

4. The automatic tapping machine for valve stem nuts according to claim 2, characterized in that: A limiting rod is fixedly installed on the top of the support block, and the limiting rod is slidably connected to the transverse plate.

5. The automatic tapping machine for valve stem nuts according to claim 1, characterized in that: An inclined plate is fixedly mounted on the bottom of the support plate. The inclined plate is located inside the shell and has a bottom pointing toward the discharge port.

6. The automatic tapping machine for valve stem nuts according to claim 1, characterized in that: A controller is fixedly mounted on the bottom inner wall of the shell, and the bracket is configured to be L-shaped.

7. The automatic tapping machine for valve stem nuts according to claim 1, characterized in that: A control panel is fixedly installed on the top of the support plate, and a plurality of supporting legs are fixedly installed on the bottom of the shell.