Multi-angle grinding equipment and process for grooved pipe fittings

Abstract

The present invention relates to the technical field of groove pipe grinding, and specifically to a multi-angle grinding device and process for groove pipes, comprising a base, a three-way groove pipe, a grinding unit and an adjusting component, wherein the three-way groove pipe is arranged inside the base, the grinding unit is arranged on the inner top wall of the base, and the adjusting component comprises a flip groove, two clamping plates and two rotating units, the three-way groove pipe is placed and fixed between the two clamping plates, the flip groove flips the three-way groove pipe, so as to facilitate the grinding of the through holes at both ends, the two rotating units are started at the same time, driving the three-way groove pipe on the clamping plate to rotate downward, thereby aligning the through holes in the middle area with the grinding unit, and completing the comprehensive grinding of the three through holes, thereby the three-way groove pipe can be adjusted at multiple angles and in a large range to avoid dead angles, and the three through holes of the three-way groove pipe can be comprehensively polished.

Description

Technical Field

[0001] The invention relates to the technical field of grooved pipe grinding, and in particular to multi-angle grinding equipment and technology for grooved pipes. Background Art

[0002] At present, in the processing of grooved pipe fittings, it is necessary to grind them to remove burrs. The current traditional operation is to manually hold the pipe fitting and place it on a grinding wheel or grinder for operation, which is inefficient and has poor safety.

[0003] In the prior art, the worker places the pipe fitting on a limit frame, then starts an electric push rod to clamp the pipe fitting, and then continuously moves the grinding rod on the key outer wall to grind the outer wall. At the same time, a grinding plate is set to extend into the inner wall for grinding, thereby achieving grinding of the outer and inner walls.

[0004] However, in the aforementioned prior art, after the limit frame is fixed, the grooved pipe fittings can only be simply rotated and the adjustment range is limited; therefore, only grooved pipe fittings such as straight tubes or curved pipes that do not require too much adjustment can be polished; when processing tee-type grooved pipe fittings, the pipe fittings cannot be adjusted at multiple angles and over a large range, and dead angles are easily present, resulting in an inability to fully polish. Summary of the invention

[0005] The purpose of the present invention is to provide a multi-angle grinding device and process for grooved pipe fittings, so as to solve the problem that after the limit frame is fixed in the prior art, the grooved pipe fittings can only be simply rotated and the adjustment range is limited; therefore, only grooved pipe fittings such as straight tubes or curved pipes that do not require too much adjustment can be ground; when processing tee-type grooved pipe fittings, the pipe fittings cannot be adjusted at multiple angles and over a large range, and dead angles are easily present, resulting in the problem that comprehensive grinding cannot be performed.

[0006] To achieve the above-mentioned object, the present invention provides a multi-angle grinding device for a grooved pipe fitting, comprising a base, a three-way grooved pipe fitting, a grinding unit and an adjustment assembly, wherein the three-way grooved pipe fitting is arranged inside the base, and the grinding unit is arranged on the inner top wall of the base; The adjustment assembly includes a flip groove, two clamping plates and two rotating units. The flip groove is arranged on one side of the three-way groove pipe fitting, the two clamping plates are symmetrically arranged inside the flip groove, the two rotating units are respectively arranged on the corresponding clamping plates, and the three-way groove pipe fitting is located between the two clamping plates.

[0007] Wherein, the adjustment assembly further includes a moving unit and two clamping components, the moving unit is arranged on the base, the two clamping components are symmetrically arranged on both sides of the flip groove, and the output ends of the two clamping components both pass through the flip groove and are fixedly connected to the clamping plate; The moving unit includes a first moving component, a first lifting component and a flipping component. The first moving component is arranged above the base, the first lifting component is arranged at the output end of the first moving component, the output end of the first lifting component is provided with the flipping component, and the output end of the flipping component is fixedly connected to the flipping groove.

[0008] In which, the adjustment component also includes a stabilizing unit, which includes two second moving parts, two second lifting parts, an annular slide rail, an annular electromagnet and two metal sliders, the two second moving parts are symmetrically arranged on the inner top wall of the base, the two second lifting parts are respectively arranged at the output ends of the corresponding second moving parts, the annular slide rail is arranged at the output ends of the two second lifting parts, the annular electromagnet is arranged on the inner wall of the annular slide rail, the two metal sliders are both slidably connected to the annular slide rail, and the two clamping parts are respectively fixedly connected to the corresponding metal sliders.

[0009] Wherein, the adjustment assembly further comprises a placement unit, and the placement unit is arranged above the base; The placement unit comprises a third lifting component, a placement slot and two clamping mechanisms. The third lifting component is arranged above the base, the placement slot is arranged at the output end of the third lifting component, and the two clamping mechanism pairs are arranged on both sides of the placement slot.

[0010] Wherein, the clamping mechanism comprises a clamping component and a clamping plate, the clamping component is arranged at one side of the placement groove, and the output end of the clamping component passes through the placement groove and is fixedly connected to the clamping plate.

[0011] Wherein, the grinding unit includes a rotating part, a supporting groove, an internal grinding mechanism, two external grinding mechanisms, two telescopic parts and a grinder, the rotating part is arranged on the inner top wall of the base, the output end of the rotating part is fixedly connected to the supporting groove, the internal grinding mechanism is arranged inside the supporting groove, the two external grinding mechanisms are symmetrically arranged on both sides of the supporting groove, the two telescopic parts are arranged on the inner top wall of the base in sequence, and the output ends of the two telescopic parts are fixedly connected to the grinder.

[0012] Among them, the internal grinding mechanism includes an internal lifting component, a support frame, an electric push rod, a shell, a push block, two inclined blocks, two internal grinding blocks and two springs, the internal lifting component is arranged on the inner top wall of the support groove, the support frame is arranged at the output end of the internal lifting component, the shell is arranged below the support frame, the electric push rod is arranged inside the support frame, the output end of the electric push rod passes through the shell and is fixedly connected to the push block, the two inclined blocks are symmetrically distributed inside the shell, the push block and the two inclined blocks are adapted to each other, one end of the two internal grinding blocks passes through the shell and is fixedly connected to the corresponding push block, and the two ends of the two springs are respectively movably connected to the push block and the inner wall of the shell.

[0013] Among them, the external grinding mechanism includes an external lifting component, a connecting plate, an external adjustment component and an external grinding block, the external lifting component is arranged on one side of the supporting groove, one end of the connecting plate is fixedly connected to the output end of the external lifting component, the external adjustment component is arranged at the other end of the connecting plate, the output end of the external adjustment component passes through the connecting plate and is fixedly connected to the external grinding block, the three-way groove pipe fitting has a convex rib, the external grinding block has a groove, and the groove and the convex rib are adapted to each other.

[0014] Wherein, the rotating unit includes a rotating component and a supporting plate, the rotating component is arranged on one side of the clamping plate, the output end of the rotating component passes through the clamping plate and is fixedly connected to the supporting plate, and the supporting plate is in contact with the outer wall of the three-way groove pipe fitting.

[0015] The present invention also provides a multi-angle grinding process for a grooved pipe fitting, using the multi-angle grinding device for a grooved pipe fitting described above, comprising the following steps: Placing the three-way groove pipe fitting inside the base; The clamping plate clamps and fixes the three-way groove pipe fitting, and the internal grinding mechanism and the two external grinding mechanisms are started to fully grind the three through holes of the three-way groove pipe fitting; The flip groove drives the three-way groove pipe fitting to flip 180 degrees, and the through holes at both ends of the three-way groove pipe fitting are polished in sequence; The turning groove is turned 90 degrees, and the three-way groove pipe fitting is laid flat, and the grinding machine is started to grind the outer wall of the three-way groove pipe fitting; The rotating unit rotates the three-way groove pipe downward to place it in the placement groove. At this time, the through hole in the middle position of the three-way groove pipe is aligned with the grinding unit for grinding, thereby completing the comprehensive grinding of the three-way groove pipe.

[0016] The present invention provides a multi-angle grinding device and process for grooved pipe fittings. The three-way grooved pipe fitting is placed and fixed between the two clamping plates. The flip groove flips the three-way grooved pipe fitting to facilitate the grinding of the through holes at both ends. The two rotating units are started at the same time to drive the three-way grooved pipe fitting on the clamping plates to rotate downward, so that the through holes in the middle area are aligned with the grinding units to complete the comprehensive grinding of the three through holes. Through the above-mentioned structural setting, the three-way grooved pipe fitting can be adjusted at multiple angles and in a large range to avoid dead angles, and the three through holes of the three-way grooved pipe fitting can be comprehensively polished. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a cross-sectional view of the whole of the present invention.

[0020] Figure 3 The present invention Figure 2 AA line section view.

[0021] Figure 4 The present invention Figure 2 BB line cross-sectional view.

[0022] Figure 5 The present invention Figure 3 CC line section view.

[0023] Figure 6 The present invention Figure 1 Enlarged view of the local structure at D.

[0024] Figure 7 The present invention Figure 1 Enlarged view of the local structure at E.

[0025] Figure 8 The present invention Figure 2 Enlarged view of the local structure at F.

[0026] Fig. 9 It is a flow chart of the steps of the multi-angle grinding process of the grooved pipe fitting of the present invention.

[0027] 1-base, 2-tee groove pipe fitting, 3-flip groove, 4-clamping plate, 5-clamping component, 6-first moving component, 7-first lifting component, 8-flipping component, 9-second moving component, 10-second lifting component, 11-annular slide rail, 12-annular electromagnet, 13-metal slider, 14-third lifting component, 15-placement groove, 16-clamping component, 17-clamping plate, 18-rotating component, 19-support groove, 20-telescopic component, 21-grinding machine, 22-internal lifting component, 23-support frame, 24-electric push rod, 25-shell, 26-push block, 27-oblique block, 28-internal grinding block, 29-spring, 30-external lifting component, 31-connecting plate, 32-external adjustment component, 33-external grinding block, 34-convex rib, 35-groove, 36-rotating component, 37-holding plate. DETAILED DESCRIPTION

[0028] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0029] See also Figures 1 to 8 The present invention provides a multi-angle grinding device for grooved pipe fittings, comprising a base 1, a three-way grooved pipe fitting 2, a grinding unit and an adjusting component, wherein the adjusting component comprises a flip groove 3, two clamping plates 4 and two rotating units, the adjusting component further comprises a moving unit and two clamping components 5, the moving unit comprises a first moving component 6, a first lifting component 7 and a flipping component 8, the adjusting component further comprises a stabilizing unit, the stabilizing unit comprises two second moving components 9, two second lifting components 10, an annular slide rail 11, an annular electromagnet 12 and two metal slide blocks 13, the adjusting component further comprises a placing unit, the placing unit comprises a third lifting component 14, The placement groove 15 and two clamping mechanisms, the clamping mechanism includes a clamping part 16 and a clamping plate 17, the grinding unit includes a rotating part 18, a supporting groove 19, an internal grinder 21 structure, two external grinders 21 structures, two telescopic parts 20 and a grinder 21, the internal grinder 21 structure includes an internal lifting part 22, a support frame 23, an electric push rod 24, a shell 25, a push block 26, two inclined blocks 27, two internal grinding blocks 28 and two springs 29, the external grinder 21 structure includes an external lifting part 30, a connecting plate 31, an external adjustment part 32 and an external grinding block 33, and the rotating unit includes a rotating part 36 and a supporting plate 37.

[0030] The three-way groove pipe fitting 2 is arranged inside the base 1, the grinding unit is arranged on the inner top wall of the base 1, the flip groove 3 is arranged on one side of the three-way groove pipe fitting 2, the two clamping plates 4 are symmetrically arranged inside the flip groove 3, the two rotating units are respectively arranged on the corresponding clamping plates 4, and the three-way groove pipe fitting 2 is located between the two clamping plates 4. The three-way groove pipe fitting 2 is placed and fixed between the two clamping plates 4, and the flip groove 3 flips the three-way groove pipe fitting 2, so as to facilitate the grinding of the through holes at both ends. The two rotating units are started at the same time, driving the three-way groove pipe fitting 2 on the clamping plate 4 to rotate downward, so that the through holes in the middle area are aligned with the grinding unit, and the comprehensive grinding of the three through holes is completed.

[0031] Secondly, the moving unit is arranged on the base 1, and the two clamping parts 5 are symmetrically arranged on both sides of the flip groove 3. The output ends of the two clamping parts 5 penetrate the flip groove 3 and are fixedly connected to the clamping plate 4; the first moving part 6 is arranged above the base 1, and the first lifting part 7 is arranged at the output end of the first moving part 6. The output end of the first lifting part 7 is provided with the flip part 8, and the output end of the flip part 8 is fixedly connected to the flip groove 3. The moving unit is used to move and adjust the three-way groove pipe fitting 2, the clamping part 5 is a cylinder, the clamping part 5 drives the clamping plate 4 to move, and then fixes the three-way groove pipe fitting 2, the first moving part 6 is an electric slide rail, the first lifting part 7 is a cylinder, and the flip part 8 is a self-locking motor; when the first moving part 6 is started, it can drive the three-way groove pipe fitting 2 to move forward and backward, close to the grinding unit, the first lifting part 7 drives the three-way groove pipe fitting 2 to move up and down, adjust the grinding position, and the flip part 8 drives the flip groove 3 to rotate.

[0032] At the same time, the two second moving parts 9 are symmetrically arranged on the inner top wall of the base 1, the two second lifting parts 10 are respectively arranged at the output ends of the corresponding second moving parts 9, the annular slide rail 11 is arranged at the output ends of the two second lifting parts 10, the annular electromagnet 12 is arranged on the inner wall of the annular slide rail 11, the two metal sliders 13 are slidably connected with the annular slide rail 11, and the two clamping parts 5 are respectively fixedly connected with the corresponding metal sliders 13. When the flip groove 3 moves forward and backward to adjust the position, the second moving part 9 is started to drive the annular slide rail 11 to move synchronously. At the same time, when the flip groove 3 adjusts the height, the second lifting part 10 is started and follows the synchronous extension and contraction to adjust the height of the annular slide rail 11. At the same time, the annular electromagnet 12 is energized to adsorb and fix the metal slider 13, thereby supporting and reinforcing the clamping part 5 and the flip groove 3 to reduce shaking; the second moving part 9 is an electric slide rail, and the second lifting part 10 is a cylinder.

[0033] In addition, the placement unit is arranged above the base 1; the third lifting component 14 is arranged above the base 1, the placement groove 15 is arranged at the output end of the third lifting component 14, and the two clamping mechanism pairs are arranged on both sides of the placement groove 15. The third lifting component 14 is a cylinder, after the three-way groove pipe 2 is rotated downward by 90°, it is placed in the placement groove 15, and then clamped and fixed by the clamping mechanism. At this time, the third lifting component 14 is started, driving the three-way groove pipe 2 to move up and dock with the grinding unit.

[0034] Then, the clamping component 16 is arranged at one side of the placement groove 15, and the output end of the clamping component 16 passes through the placement groove 15 and is fixedly connected to the clamping plate 17. The clamping component 16 is a cylinder, and the clamping component 16 is started to drive the clamping plate 17 to fix the three-way groove pipe 2.

[0035] Again, the rotating component 18 is arranged on the inner top wall of the base 1, the output end of the rotating component 18 is fixedly connected to the support groove 19, the internal grinder 21 is arranged inside the support groove 19, the two external grinders 21 are symmetrically arranged on both sides of the support groove 19, the two telescopic components 20 are arranged on the inner top wall of the base 1 in sequence, and the output ends of the two telescopic components 20 are fixedly connected to the grinder 21. The rotating component 18 is a self-locking motor, the rotating component 18 drives the support groove 19 to rotate, and at the same time, the internal grinder 21 and the external grinder 21 can contact the inner wall and outer wall of the three-way groove pipe fitting 2, and then grind.

[0036] In addition, the internal lifting component 22 is arranged on the inner top wall of the support groove 19, the support frame 23 is arranged at the output end of the internal lifting component 22, the shell 25 is arranged below the support frame 23, the electric push rod 24 is arranged inside the support frame 23, the output end of the electric push rod 24 passes through the shell 25 and is fixedly connected to the push block 26, the two inclined blocks 27 are symmetrically distributed inside the shell 25, the push block 26 and the two inclined blocks 27 are adapted to each other, one end of the two internal grinding blocks 28 passes through the shell 25 and is fixedly connected to the corresponding push block 26, and the two ends of the two springs 29 are movably connected to the push block 26 and the inner wall of the shell 25 respectively. The internal lifting component 22 is a cylinder. First, the internal lifting component 22 is started to drive the support frame 23 to move downward. The shell 25 is located inside the three-way groove pipe fitting 2. At this time, the electric push rod 24 is started to drive the push block 26 to move, and cooperate with the inclined block 27 to push the inclined block 27 to move, so that the internal grinding block 28 extends out of the shell 25 and fits with the inner wall of the three-way groove pipe fitting 2. At this time, the rotating component 18 drives the supporting groove 19 to rotate, so that the internal grinding block 28 moves to grind the inner wall of the three-way groove pipe fitting 2. After grinding, the electric push rod 24 contracts, and the spring 29 rebounds to drive the inclined block 27 and the internal grinding block 28 to reset.

[0037] Furthermore, the external lifting component 30 is arranged on one side of the supporting groove 19, one end of the connecting plate 31 is fixedly connected to the output end of the external lifting component 30, the external adjusting component 32 is arranged at the other end of the connecting plate 31, the output end of the external adjusting component 32 passes through the connecting plate 31, and is fixedly connected to the external grinding block 33, the three-way groove pipe fitting 2 has a convex rib 34, the external grinding block 33 has a groove 35, and the groove 35 and the convex rib 34 are adapted to each other. The external lifting component 30 is an electric slide rail, and the external adjustment component 32 is a cylinder; the external lifting component 30 is started, driving the connecting plate 31 to move downward, and moving the external grinding block 33 to the convex rib 34. At this time, the external adjustment component 32 is started, driving the external grinding block 33 to move, so that the groove 35 cooperates with the convex rib 34. At this time, the support groove 19 rotates to grind the convex rib 34. After grinding, the external grinding block 33 is in contact with the outer wall of the three-way groove pipe fitting 2 for grinding, and the height is continuously adjusted to finally complete the comprehensive grinding.

[0038] Finally, the rotating component 36 is disposed on one side of the clamping plate 4, and the output end of the rotating component 36 passes through the clamping plate 4 and is fixedly connected to the abutting plate 37, and the abutting plate 37 is in contact with the outer wall of the three-way grooved pipe 2. The rotating component 36 is a self-locking motor, and when the clamping plate 4 moves and clamps, the three-way grooved pipe 2 is clamped and fixed by the abutting plate 37. When the three-way grooved pipe 2 needs to be rotated downward, the rotating component 36 is started, driving the abutting plate 37 to rotate, thereby rotating the three-way grooved pipe 2.

[0039] When using the multi-angle grinding device for grooved pipe fittings of the present embodiment, the three-way grooved pipe fitting 2 is placed between the two clamping plates 4 and fixed by the abutting plates 37. The flipping component 8 is started to drive the flipping groove 3 to flip, so that the three-way grooved pipe fitting 2 is flipped 180°, thereby starting the grinding unit and grinding the through holes at both ends in sequence. Then the two rotating components 36 are started to drive the abutting plates 37 to rotate, so that the three-way grooved pipe fitting 2 is rotated downward by 90°, and then the through holes in the middle area are aligned with the grinding unit. Then the first lifting component 7 moves down. After adjustment, the three-way grooved pipe fitting 2 is placed in the placement groove 15 and clamped and fixed. At this time, the placement groove 15 moves up to align with the grinding unit, thereby completing the comprehensive grinding of the three through holes. Through the above-mentioned structural setting, the three-way grooved pipe fitting 2 can be adjusted at multiple angles and in a large range to avoid dead angles, and the three through holes of the three-way grooved pipe fitting 2 can be comprehensively polished.

[0040] See also Fig. 9 The present invention also provides a multi-angle grinding process for grooved pipe fittings, comprising the following steps: S1: placing the three-way groove pipe fitting 2 inside the base 1; S2: The clamping plate 4 clamps and fixes the three-way groove pipe fitting 2, and the internal grinder 21 and the two external grinders 21 are started to fully grind the three through holes of the three-way groove pipe fitting 2; S3: The flip groove 3 drives the three-way groove pipe fitting 2 to flip 180 degrees, and the through holes at both ends of the three-way groove pipe fitting 2 are polished in sequence; S4: the turning groove 3 is turned over 90 degrees, and the three-way groove pipe fitting 2 is laid flat, and the grinding machine 21 is started to grind the outer wall of the three-way groove pipe fitting 2; S5: The rotating unit rotates the three-way groove pipe fitting 2 downward to place it in the placement groove 15. At this time, the through hole in the middle position of the three-way groove pipe fitting 2 is aligned with the grinding unit for grinding, and the comprehensive grinding of the three-way groove pipe fitting 2 is completed.

[0041] Among them, the three-way groove pipe fitting 2 is placed inside the base 1; the clamping plate 4 clamps and fixes the three-way groove pipe fitting 2, and the internal grinder 21 and the two external grinders 21 are started to fully grind the three through holes of the three-way groove pipe fitting 2; the flip groove 3 drives the three-way groove pipe fitting 2 to flip 180°, and grinds the through holes at both ends of the three-way groove pipe fitting 2 in turn; the flip groove 3 flips 90°, and the three-way groove pipe fitting 2 is placed flat, and the grinder 21 is started to grind the outer wall of the three-way groove pipe fitting 2; the rotating unit rotates the three-way groove pipe fitting 2 downward so that it is placed in the placement groove 15. At this time, the through hole in the middle position of the three-way groove pipe fitting 2 is aligned with the grinding unit for grinding, and the comprehensive grinding of the three-way groove pipe fitting 2 is completed.

[0042] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A multi-angle grinding device for grooved pipe fittings, comprising a base, a three-way grooved pipe fitting and a grinding unit, wherein the three-way grooved pipe fitting is arranged inside the base, and the grinding unit is arranged on the inner top wall of the base, characterized in that: Also included are adjustment components; The adjustment assembly includes a flip groove, two clamping plates and two rotating units. The flip groove is arranged on one side of the three-way groove pipe fitting, the two clamping plates are symmetrically arranged inside the flip groove, the two rotating units are respectively arranged on the corresponding clamping plates, and the three-way groove pipe fitting is located between the two clamping plates.

2. The multi-angle grinding device for grooved pipes according to claim 1, characterized in that: The adjustment assembly further includes a moving unit and two clamping components, wherein the moving unit is arranged on the base, and the two clamping components are symmetrically arranged on both sides of the flip groove, and the output ends of the two clamping components both pass through the flip groove and are fixedly connected to the clamping plate; The moving unit includes a first moving component, a first lifting component and a flipping component. The first moving component is arranged above the base, the first lifting component is arranged at the output end of the first moving component, the output end of the first lifting component is provided with the flipping component, and the output end of the flipping component is fixedly connected to the flipping groove.

3. The multi-angle grinding device for grooved pipes according to claim 2, characterized in that: The adjustment assembly also includes a stabilizing unit, which includes two second moving parts, two second lifting parts, an annular slide rail, an annular electromagnet and two metal sliders. The two second moving parts are symmetrically arranged on the inner top wall of the base, and the two second lifting parts are respectively arranged at the output ends of the corresponding second moving parts. The annular slide rail is arranged at the output ends of the two second lifting parts, and the annular electromagnet is arranged on the inner wall of the annular slide rail. The two metal sliders are both slidably connected to the annular slide rail, and the two clamping parts are respectively fixedly connected to the corresponding metal sliders.

4. The multi-angle grinding device for grooved pipes according to claim 3, characterized in that: The adjustment assembly further includes a placement unit, and the placement unit is arranged above the base; The placement unit comprises a third lifting component, a placement slot and two clamping mechanisms. The third lifting component is arranged above the base, the placement slot is arranged at the output end of the third lifting component, and the two clamping mechanism pairs are arranged on both sides of the placement slot.

5. The multi-angle grinding device for grooved pipes according to claim 4, characterized in that: The clamping mechanism comprises a clamping component and a clamping plate. The clamping component is arranged at one side of the placement groove. The output end of the clamping component passes through the placement groove and is fixedly connected to the clamping plate.

6. The multi-angle grinding device for grooved pipes according to claim 5, characterized in that: The grinding unit includes a rotating component, a supporting groove, an internal grinding mechanism, two external grinding mechanisms, two telescopic components and a grinder, the rotating component is arranged on the inner top wall of the base, the output end of the rotating component is fixedly connected to the supporting groove, the internal grinding mechanism is arranged inside the supporting groove, the two external grinding mechanisms are symmetrically arranged on both sides of the supporting groove, the two telescopic components are sequentially arranged on the inner top wall of the base, and the output ends of the two telescopic components are fixedly connected to the grinder.

7. The multi-angle grinding device for grooved pipes according to claim 6, characterized in that: The internal grinding mechanism includes an internal lifting component, a support frame, an electric push rod, a shell, a push block, two inclined blocks, two internal grinding blocks and two springs. The internal lifting component is arranged on the inner top wall of the support groove, the support frame is arranged at the output end of the internal lifting component, the shell is arranged below the support frame, the electric push rod is arranged inside the support frame, the output end of the electric push rod passes through the shell and is fixedly connected to the push block, the two inclined blocks are symmetrically distributed inside the shell, the push block and the two inclined blocks are adapted to each other, one end of the two internal grinding blocks passes through the shell and is fixedly connected to the corresponding push block, and the two ends of the two springs are movably connected to the push block and the inner wall of the shell respectively.

8. The multi-angle grinding device for grooved pipes according to claim 7, characterized in that: The external grinding mechanism includes an external lifting component, a connecting plate, an external adjustment component and an external grinding block. The external lifting component is arranged on one side of the supporting groove. One end of the connecting plate is fixedly connected to the output end of the external lifting component. The external adjustment component is arranged at the other end of the connecting plate. The output end of the external adjustment component passes through the connecting plate and is fixedly connected to the external grinding block. The three-way groove pipe fitting has a convex rib, and the external grinding block has a groove, and the groove and the convex rib are adapted to each other.

9. The multi-angle grinding device for grooved pipes according to claim 8, characterized in that: The rotating unit includes a rotating component and a holding plate. The rotating component is arranged on one side of the clamping plate. The output end of the rotating component passes through the clamping plate and is fixedly connected to the holding plate. The holding plate is in contact with the outer wall of the three-way groove pipe.

10. A multi-angle grinding process for grooved pipe fittings, using the multi-angle grinding device for grooved pipe fittings as claimed in claim 9, characterized in that: The steps include: Placing the three-way groove pipe fitting inside the base; The clamping plate clamps and fixes the three-way groove pipe fitting, and the internal grinding mechanism and the two external grinding mechanisms are started to fully grind the three through holes of the three-way groove pipe fitting; The flip groove drives the three-way groove pipe to flip 180 degrees, and the through holes at both ends of the three-way groove pipe are polished in sequence; The turning groove is turned 90 degrees, and the three-way groove pipe fitting is laid flat, and the grinding machine is started to grind the outer wall of the three-way groove pipe fitting; The rotating unit rotates the three-way groove pipe downward to place it in the placement groove. At this time, the through hole in the middle position of the three-way groove pipe is aligned with the grinding unit for grinding, thereby completing the comprehensive grinding of the three-way groove pipe.

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