Jig for finish machining of inner surface of pipe fitting
By designing a pipe fitting inner surface finishing fixture including sliders and cutting devices, the problem of cumbersome replacement steps in the prior art is solved, and rapid replacement and fixation are achieved, and operation convenience and equipment flexibility are improved.
Patent Information
- Application Number
- CN202420755673.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-12
AI Technical Summary
In the prior art, the steps for replacing the machining parts of the inner surface finishing fixture of the pipe fittings are cumbersome and inconvenient to operate.
A fixture including a base, a first motor, a threaded rod, a slider, a cutting device, a connecting device and a fixing device are designed. The cutting knife is driven to move through the slider and the second motor, and the switching and cutting are facilitated by the connecting device. knife, with multiple mounting holes and storage boxes to suit different specifications of cutters.
It realizes rapid replacement and fixation of machining parts, improves operation convenience and equipment flexibility, and adapts to different production needs.
Smart Images
Figure CN222133623U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of jigs, in particular to a jig for fine machining the inner surface of a pipe fitting. Background Art
[0002] Pipe fittings are an indispensable part of pipeline connections. They are components used to connect, control, change direction or divert pipeline systems. They are widely used in industrial production, construction projects, municipal facilities and household pipeline systems. Therefore, in order to adapt to different engineering needs, the manufacturing standards of pipe fittings are different. Usually, grinding jigs are required for fine processing to make the inner diameters of multiple pipe fittings the same, which is convenient for use.
[0003] For this purpose, the utility model patent with the publication number CN216759214U discloses a jig for finishing the inner surface of a pipe fitting, comprising: a base, a pipe fitting clamping assembly arranged on one side of the base; an electric slide arranged on the other side of the base; a driving member arranged on the electric slide and used to provide a rotational driving force; and a driving rod connected to the driving member and rotated by the rotational driving force of the driving member, and a processing member connected to the inner surface of the pipe fitting is provided on the side of the driving rod away from the driving member. The present application places the pipe fitting on the pipe fitting clamping assembly for fixing, then starts the driving member, and the driving member drives the driving rod and the processing member on the driving rod to rotate together, and then the electric slide drives the driving member and the driving rod connected to the driving member to move toward one side of the pipe fitting, and when the driving rod enters the interior of the pipe fitting, the processing member provided on the driving rod grinds the inner surface of the pipe fitting.
[0004] However, this patent is not convenient for replacing the processed parts, and replacing the processed parts requires more steps, which is more troublesome. Summary of the invention
[0005] The utility model aims to provide a jig for fine processing the inner surface of a pipe fitting in view of the above-mentioned deficiencies of the prior art, which can conveniently and quickly replace the processed parts.
[0006] The technical solution adopted by the utility model is a jig for fine-machining the inner surface of a pipe fitting, comprising a base and a pipe fitting, a first motor is fixedly installed on the top of the base, a threaded rod is fixedly connected to the rotor part of the first motor, a slider is threadedly connected to the surface of the threaded rod, a cutting device is provided on the top of the slider, a connecting device is provided in the cutting device, a support block is provided on one side of the cutting device, a fixing device is fixedly installed on the top of the support block, and the pipe fitting is arranged in the fixing device.
[0007] Preferably, the cutting device includes a second motor, the stator part of the second motor is fixedly installed on the top of the slider, the rotor part of the second motor is fixedly connected to a transmission column, the end of the transmission column away from the second motor is fixedly connected to a connecting device, and the transmission column is fixedly connected to the cutter through the connecting device.
[0008] Preferably, the connecting device includes a connecting shell, one end of the connecting shell is fixedly connected to the transmission column, the other end of the connecting shell is provided with a through hole, both sides of the through hole are provided with fixing grooves, a card block is contacted and connected in the fixing groove, one side of the card block is provided with a connecting column integrally formed with the card block, a cutter is fixedly installed on the end of the connecting column away from the card block, the other side of the card block is contacted and connected to one side of the reinforcement block, the other side of the reinforcement block is fixedly connected to one end of a spring, and the other end of the spring is fixedly connected to the inner wall of the connecting shell.
[0009] Preferably, the fixing device comprises a lower clamp, which is fixedly mounted on the top of the support block, an upper clamp is arranged above the lower clamp, through holes are opened on both sides of the lower clamp and the upper clamp, and bolts are installed in the inner threads of the through holes.
[0010] Preferably, a plurality of mounting holes are provided on the surface of the base.
[0011] Preferably, a storage box integrally formed with the base is provided on one side of the base.
[0012] The utility model is simple and convenient to use. It only requires placing the pipe to be processed on the lower clamp, then covering the clamp and tightening the bolts to fix the pipe. Then, the first motor is started. The rotation of the first motor will drive the slider to move, and then drive the second motor and the cutter to move, so that the cutter contacts the inner wall of the pipe. At this time, the second motor can be started to process the inner wall of the pipe. If the cutter needs to be replaced, it only requires holding the connecting column and pushing the connecting column, and then rotating it so that the block is aligned with the perforation and can be removed.
[0013] Compared with the prior art, the beneficial effect of the utility model is that a connecting device is provided to facilitate the disassembly or replacement of the cutter, and a plurality of mounting holes are provided to facilitate the fixed installation of the device. Cutters of various specifications can be placed in the storage box, which is convenient and timely to adjust according to production needs. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of a jig structure for fine machining the inner surface of a pipe proposed by the utility model;
[0015] Figure 2 This is a schematic diagram of the internal structure of a jig for fine machining the inner surface of a pipe proposed by the utility model;
[0016] Figure 3 It is an enlarged view of point A of the present utility model.
[0017] Description of the symbols in the figure
[0018] 1. Base; 12. First motor; 13. Threaded rod; 14. Slider; 2. Second motor; 21. Transmission column; 22. Cutter; 3. Connecting device; 31. Connecting shell; 32. Perforation; 33. Fixing groove; 34. Block; 35. Connecting column; 36. Reinforcement block; 37. Spring; 4. Lower clamp; 41. Upper clamp; 42. Bolt; 5. Pipe fitting; 6. Mounting hole; 7. Storage box. DETAILED DESCRIPTION
[0019] Figure 1 The utility model schematically shows a jig for finishing the inner surface of a pipe fitting, comprising a base 1 and a pipe fitting 5, a first motor 12 is fixedly mounted on the top of the base 1, a threaded rod 13 is fixedly connected to the rotor part of the first motor 12, a slider 14 is threadedly connected to the surface of the threaded rod 13, a cutting device is provided on the top of the slider 14, a connecting device 3 is provided in the cutting device, a support block 15 is provided on one side of the cutting device, a fixing device is fixedly mounted on the top of the support block 15, the pipe fitting 5 is arranged in the fixing device, a plurality of mounting holes 6 are opened on the surface of the base 1, the device can be fixedly mounted by setting fixing tools such as screws in the mounting holes 6, a storage box 7 integrally formed with the base 1 is provided on one side of the base 1, some cutters or other repair tools of different specifications can be placed in the storage box 7, so as to facilitate maintenance and replacement.
[0020] like Figure 2 and Figure 3The cutting device shown includes a second motor 2, the stator portion of the second motor 2 is fixedly mounted on the top of the slider 14, the rotor portion of the second motor 2 is fixedly connected to a transmission column 21, the end of the transmission column 21 away from the second motor 2 is fixedly connected to a connecting device 3, the transmission column 21 is fixedly connected to a cutter 22 through the connecting device 3, the connecting device 3 includes a connecting shell 31, one end of the connecting shell 31 is fixedly connected to the transmission column 21, the other end of the connecting shell 31 is provided with a through hole 32, and both sides of the through hole 32 are provided with fixing grooves 3 3, a block 34 is in contact with the fixing groove 33, one side of the block 34 is provided with a connecting column 35 integrally formed with the block 34, the end of the connecting column 35 away from the block 34 is fixedly mounted with the cutter 22, the other side of the block 34 is in contact with one side of the reinforcing block 36, the other side of the reinforcing block 36 is fixedly connected with one end of a spring 37, the reinforcing block 36 can always fix the block 34 in the fixing groove 33 under the thrust of the spring 37, so as to improve the stability of the cutter 22, the other end of the spring 37 is connected to the inner side of the connecting shell 31 The fixing device comprises a lower clamp 4, which is fixedly mounted on the top of the support block 15, and an upper clamp 41 is arranged above the lower clamp 4. Through holes are provided on both sides of the lower clamp 4 and the upper clamp 41, and bolts 42 are installed in the inner threads of the through holes. In actual use, it is only necessary to place the pipe 5 to be processed on the lower clamp 4, and then cover the upper clamp 41 and tighten the bolts 42 to complete the fixation. At this time, the first motor 12 is started, and the rotation of the first motor 12 drives the threaded rod 13 to move, thereby causing the slider 14 to move. The movement of the slider 14 will drive the second motor 2 to move, and then drive the transmission column 21, the connecting device 3 and the cutter 22 to move. When the cutter contacts the inner wall of the pipe 5, the second motor 2 is started, and the second motor 2 drives the transmission column 21 to rotate, and then drives the connecting device 3 and the cutter 22 to rotate together to process the pipe 5. When the cutter 22 needs to be replaced, it is only necessary to hold the connecting column 35 and push it to make the block 34 leave the fixed groove 33 and then rotate the block 34 to align it with the through hole 32 to remove the cutter 22.
Claims
1. A jig for fine-machining the inner surface of a pipe, comprising a base (1) and a pipe (5), characterized in that: A first motor (12) is fixedly mounted on the top of the base (1), a threaded rod (13) is fixedly connected to the rotor portion of the first motor (12), a slider (14) is threadedly connected to the surface of the threaded rod (13), a cutting device is provided on the top of the slider (14), a connecting device (3) is provided inside the cutting device, a support block (15) is provided on one side of the cutting device, a fixing device is fixedly mounted on the top of the support block (15), and a pipe (5) is provided inside the fixing device.
2. A jig for fine-machining the inner surface of a pipe according to claim 1, characterized in that: The cutting device comprises a second motor (2), a stator portion of the second motor (2) is fixedly mounted on the top of the slider (14), a rotor portion of the second motor (2) is fixedly connected to a transmission column (21), an end of the transmission column (21) away from the second motor (2) is fixedly connected to a connecting device (3), and the transmission column (21) is fixedly connected to a cutter (22) via the connecting device (3).
3. A jig for fine-machining the inner surface of a pipe according to claim 1 or 2, characterized in that: The connecting device (3) includes a connecting shell (31), one end of the connecting shell (31) is fixedly connected to the transmission column (21), the other end of the connecting shell (31) is provided with a through hole (32), both sides of the through hole (32) are provided with a fixing groove (33), a clamping block (34) is contacted and connected in the fixing groove (33), one side of the clamping block (34) is provided with a connecting column (35) integrally formed with the clamping block (34), one end of the connecting column (35) away from the clamping block (34) is fixedly mounted with a cutter (22), the other side of the clamping block (34) is contacted and connected to one side of the reinforcing block (36), the other side of the reinforcing block (36) is fixedly connected to one end of a spring (37), and the other end of the spring (37) is fixedly connected to the inner wall of the connecting shell (31).
4. A jig for fine-machining the inner surface of a pipe according to claim 1 or 2, characterized in that: The fixing device comprises a lower clamp (4), which is fixedly mounted on the top of the support block (15), and an upper clamp (41) is provided above the lower clamp (4). Through holes are provided on both sides of the lower clamp (4) and the upper clamp (41), and bolts (42) are installed in the threads of the through holes.
5. The jig for fine-machining the inner surface of a pipe according to claim 3, characterized in that: The fixing device comprises a lower clamp (4), which is fixedly mounted on the top of the support block (15), and an upper clamp (41) is provided above the lower clamp (4). Through holes are provided on both sides of the lower clamp (4) and the upper clamp (41), and bolts (42) are installed in the threads of the through holes.
6. A jig for finishing the inner surface of a pipe according to claim 1, 2 or 5, characterized in that: A plurality of mounting holes (6) are provided on the surface of the base (1).
7. The jig for fine-machining the inner surface of a pipe according to claim 3, characterized in that: A plurality of mounting holes (6) are provided on the surface of the base (1).
8. The jig for fine-machining the inner surface of a pipe according to claim 4, characterized in that: A plurality of mounting holes (6) are provided on the surface of the base (1).
9. A jig for fine-machining the inner surface of a pipe according to claim 1, 2, 5, 7 or 8, characterized in that: A storage box (7) integrally formed with the base (1) is provided on one side of the base (1).
10. The jig for fine-machining the inner surface of a pipe according to claim 3, characterized in that: A storage box (7) integrally formed with the base (1) is provided on one side of the base (1).