Multi-station nut internal thread machining device

Abstract

The utility model discloses a multi-station nut internal thread machining device which comprises a machine frame, a tapping mechanism is arranged on the upper portion of the machine frame, a plurality of detachable nut clamps are arranged on the lower portion of the machine frame, the tapping mechanism comprises a first driving device, a movable plate, a plurality of second driving devices, a plurality of tap chucks and a plurality of taps, and the movable plate is arranged on the first driving device. The first driving device is fixed to the top of the rack, the movable plate is fixed to an output shaft of the first driving device, the second driving device is fixed to the movable plate, the tap chuck is fixed to an output shaft of the second driving device, and the tap is detachably connected to the tap chuck. The tapping mechanism is provided with a plurality of second drivers, a plurality of tap chucks, a plurality of taps and a plurality of nut clamps, so that internal screws of a plurality of nuts can be machined simultaneously, and the working efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nut processing, in particular to a multi-station nut internal thread processing device. Background Art

[0002] A nut tapping (threading) machine is a mechanical processing device that processes internal threads, screws or threaded buttons on the inner side of holes of various parts with through holes or blind holes of various specifications, such as nuts and flanges. Its function is like tapping internal threads with a tap. There are many such processing devices in the prior art. For example, the Chinese utility model patent with publication number CN216680591U discloses a universal nut tapping machine with a multi-specification limit mechanism, including a mounting plate, a mounting bracket, a limit plate, a tapping machine body and a tapping drill bit. The mounting bracket is provided at the edge of the outer surface of the bottom end of the mounting plate, and a limit plate is horizontally connected to the inner middle position of the mounting bracket... It can perform limit processing on nuts of different diameters. However, the tapping mechanism of this device can only process one nut at a time, and the tapping process takes a long time, so the efficiency is low. Utility Model Content

[0003] The utility model aims to solve at least one problem existing in the prior art. To this end, the purpose of the utility model is to provide a multi-station nut internal thread processing device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A multi-station nut internal thread processing device comprises a frame, a tapping mechanism is arranged on the upper part of the frame, a plurality of detachable nut clamps are arranged on the lower part of the frame, the tapping mechanism comprises a first drive device, a movable plate, a plurality of second drive devices, a plurality of tap chucks and a plurality of taps, the first drive device is fixed to the top of the frame, the movable plate is fixed to the output shaft of the first drive device, the second drive device is fixed to the movable plate, the tap chuck is fixed to the output shaft of the second drive device, and the tap is detachably connected to the tap chuck.

[0006] As a further optimization scheme of the utility model, the tap has multiple specifications and is replaceable. A cylindrical head shank is provided at one end of the tap, and a conical head is provided at the other end. A plurality of mounting heads extending outward are provided on the outer peripheral side of the cylindrical head shank. A tap thread is provided on the outer wall of the tap, and the tap thread is located below the cylindrical head shank.

[0007] As a further optimization scheme of the utility model, an assembly groove is arranged inside the tap chuck, and the assembly groove is used in conjunction with the cylindrical head handle. A maze-shaped groove is arranged on the outer wall of the tap chuck, and the groove is used in conjunction with the installation head.

[0008] As a further optimization solution of the utility model, a plurality of chip grooves are provided on the outer wall of the tap, and the chip grooves are grooves composed of a straight line and a circular arc at one end, and the chip grooves divide the tap thread into.

[0009] As a further optimization scheme of the utility model, the nut clamp has various specifications and is replaceable. The nut clamp is arranged in a fixing groove of the frame. The height of the nut clamp is twice the depth of the fixing groove. A regular hexagonal nut mounting groove is arranged inside the nut clamp. The nut mounting groove has a step at the bottom, and a chip dropping hole is arranged in the middle of the step.

[0010] As a further optimization solution of the present invention, a plurality of extraction holes are provided on the side wall of the nut clamp.

[0011] As a further optimization solution of the utility model, a collecting groove is arranged at the bottom of the frame, and the chip falling hole is connected to the collecting groove.

[0012] As a further optimization solution of the utility model, a plurality of guide columns are arranged inside the frame, and both ends of the movable plate are sleeved on the guide columns.

[0013] Beneficial effects of the utility model:

[0014] 1. The tapping mechanism of the utility model is provided with a plurality of second drives, a plurality of tap chucks, a plurality of taps and a plurality of nut fixtures, and can process the inner screws of a plurality of nuts at the same time, thereby improving the working efficiency of the device.

[0015] 2. The tap and nut fixture of the utility model are replaceable and can be replaced according to different nuts to be processed, making the application of the device more extensive.

[0016] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of a multi-station nut internal thread processing device of the utility model;

[0018] Figure 2 This is a structural diagram of the utility model tap;

[0019] Figure 3 This is a structural diagram of the tap chuck of the utility model;

[0020] Figure 4 It is a structural diagram of a nut clamp of the utility model.

[0021] In the figure: 1. frame, 2. tapping mechanism, 3. nut clamp, 4. first drive device, 5. movable plate, 6. second drive device, 7. tap chuck, 8. tap, 9. cylindrical head shank, 10. conical head, 11. mounting head, 12. tap thread, 13. assembly groove, 14. clamping groove, 15. chip groove, 16. nut mounting groove, 17. step, 18. chip drop hole, 19. removal hole, 20. collection groove, 21. guide column. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices consistent with some aspects of the present application as detailed in the appended claims.

[0024] The terms used in this application are only for the purpose of describing specific embodiments and are not intended to limit this application. Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which the utility model belongs. The words "one" or "one" and the like used in the specification and claims of this application do not indicate a quantitative limitation, but indicate the existence of at least one. "Multiple" includes two, which is equivalent to at least two. "Including" or "including" and the like mean that the elements or objects appearing in front of "including" or "including" include the elements or objects listed after "including" or "including" and their equivalents, and do not exclude other elements or objects. "Connected" or "connected" and the like are not limited to physical or mechanical connections, and can include electrical connections, whether direct or indirect. The singular forms of "one", "said" and "the" used in the specification and the appended claims of this application are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0025] Please refer to Figure 1A multi-station nut internal thread processing device comprises a frame 1, a tapping mechanism 2 is arranged on the upper part of the frame 1, and 4 detachable nut clamps 3 are arranged on the lower part of the frame 1. The tapping mechanism 2 comprises a first driving device 4, a moving plate 5, 4 second driving devices 6, 4 tap chucks 7 and 4 taps 8. The first driving device 4 is fixed to the top of the frame 1, the moving plate 5 is fixed to the output shaft of the first driving device 4, the second driving device 6 is fixed to the moving plate 5, the tap chuck 7 is fixed to the output shaft of the second driving device 6, and the tap 8 is detachably connected to the tap chuck 7. A plurality of guide columns 21 are arranged inside the frame 1, and both ends of the moving plate 5 are It is sleeved on the guide column 21, wherein the first drive device 4 is a hydraulic cylinder or an electric push rod, the second drive device 6 is a motor, the nut can be assembled in the nut fixture 3, the center of the nut fixture 3 and the center of the tap 8 are on the same straight line, and during processing, the output shaft of the first drive device 4 drives the movable plate 5 (the second drive device 6, the tap chuck 7 and the tap 8) to move up and down along the guide rod to process the internal screws of the nut in the nut fixture 3. In this embodiment, the tapping mechanism 2 is provided with 4 second drives, 4 tap chucks 7, 4 taps 8 and multiple nut fixtures 3, which can tap 4 nuts at the same time, thereby improving the working efficiency of the device.

[0026] Please refer to Figure 2 and 3 A cylindrical head shank 9 is provided at one end of the tap 8, and a conical head 10 is provided at the other end. Two mounting heads 11 extending outward are provided on the outer peripheral side of the cylindrical head shank 9. A tap thread 12 is provided on the outer wall of the tap 8, and the tap thread 12 is located below the cylindrical head shank 9; an assembly groove 13 is provided inside the tap chuck 7, and the assembly groove 13 is used in conjunction with the cylindrical head shank 9. A labyrinth-shaped clamping groove 14 is provided on the outer wall of the tap chuck 7, and the clamping groove 14 is used in conjunction with the mounting head 11. Specifically, the tap 8 is installed in the tap chuck 7 by rotation, and the labyrinth-shaped clamping groove 14 makes it difficult for the mounting head 11 to detach from the clamping groove 14, thereby ensuring the stability of the installation of the tap 8.

[0027] In this embodiment, the taps 8 have various specifications and are replaceable. The taps 8 have different sizes. Different taps 8 are provided with the same cylindrical head shank 9 to facilitate assembly on the same tap chuck 7.

[0028] Please refer to Figure 2 The outer wall of the tap 8 is also provided with two or four chip grooves 15. The chip groove 15 is a groove composed of a straight line and a circular arc at one end. The chip groove 15 divides the tap thread 12 into pieces. The waste chips generated by nut tapping will enter the chip groove 15, thereby avoiding the accumulation of waste chips and affecting the normal processing of the nut.

[0029] Please refer to Figure 4The nut clamp 3 has various specifications and is replaceable. The nut clamp 3 is arranged in a fixed groove (not marked in the figure) of the frame 1, that is, a notch for installing the nut clamp 3 is provided on the frame 1, and the height of the nut clamp 3 is twice the depth of the fixed groove. A regular hexagonal nut mounting groove 16 is provided inside the nut clamp 3, and a step 17 is provided at the bottom of the nut mounting groove 16, and a chip dropping hole 18 is provided in the middle of the step 17; 4 removal holes 19 are provided on the side wall of the nut clamp 3, and the removal holes 19 facilitate the removal of the nut clamp 3 from the fixed groove.

[0030] In this embodiment, the nut clamps 3 have various specifications and are replaceable, and the nut mounting slots 16 of different nut clamps 3 have different sizes.

[0031] Please refer to Figure 1 A collecting trough 20 is provided at the bottom of the frame 1 , and the chip dropping hole 18 is connected to the collecting trough 20 .

[0032] The utility model is a multi-station nut internal thread processing device, and its working principle is explained in conjunction with the accompanying drawings:

[0033] Select a suitable nut fixture 3 and tap 8, assemble them to the frame 1 and the tap chuck 7 respectively, assemble the processed nut, start the first drive device 4, the output shaft of the first drive device 4 drives the movable plate 5 (the second drive device 6, the tap chuck 7 and the tap 8) to move toward the nut, when the tap 8 approaches the nut, start the second drive device 6, the output shaft of the second drive device 6 drives the tap chuck 7 and the tap 8 to rotate, when the tap 8 rotates, it will tap the inner wall of the nut, thereby producing the required internal thread.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A multi-station nut internal thread processing device, comprising a frame, characterized in that: A tapping mechanism is provided on the upper part of the frame, and a plurality of detachable nut clamps are provided on the lower part of the frame. The tapping mechanism includes a first driving device, a movable plate, a plurality of second driving devices, a plurality of tap chucks and a plurality of taps. The first driving device is fixed to the top of the frame, the movable plate is fixed to the output shaft of the first driving device, the second driving device is fixed to the movable plate, the tap chuck is fixed to the output shaft of the second driving device, and the tap is detachably connected to the tap chuck.

2. A multi-station nut internal thread processing device according to claim 1, characterized in that: The tap has various specifications and is replaceable. A cylindrical head shank is provided at one end of the tap, and a conical head is provided at the other end. A plurality of mounting heads extending outward are provided on the outer peripheral side of the cylindrical head shank. A tap thread is provided on the outer wall of the tap, and the tap thread is located below the cylindrical head shank.

3. A multi-station nut internal thread processing device according to claim 2, characterized in that: The tap chuck is provided with an assembly groove inside, and the assembly groove is used in conjunction with the cylindrical head handle. The outer wall of the tap chuck is provided with a labyrinth-shaped clamping groove, and the clamping groove is used in conjunction with the installation head.

4. A multi-station nut internal thread processing device according to claim 3, characterized in that: The outer wall of the tap is also provided with a plurality of chip grooves, wherein the chip grooves are grooves formed by a straight line and a circular arc at one end, and the chip grooves divide the tap threads into.

5. A multi-station nut internal thread processing device according to claim 4, characterized in that: The nut clamp has various specifications and is replaceable. The nut clamp is set in the fixing groove of the frame. The height of the nut clamp is twice the depth of the fixing groove. A regular hexagonal nut mounting groove is set inside the nut clamp. The bottom of the nut mounting groove has a step, and a chip drop hole is set in the middle of the step.

6. A multi-station nut internal thread processing device according to claim 5, characterized in that: A plurality of access holes are arranged on the side wall of the nut clamp.

7. A multi-station nut internal thread processing device according to claim 6, characterized in that: A collecting groove is arranged at the bottom of the frame, and the chip falling hole is connected with the collecting groove.

8. The multi-station nut internal thread processing device according to claim 7, characterized in that: A plurality of guide columns are arranged inside the frame, and two ends of the movable plate are sleeved on the guide columns.

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