Simple device for polishing inner surface of high-precision pipe
By designing a simple device for polishing the inner surface of high-precision pipes, the problem of difficult-to-handle inner surface defects of long pipes is solved, achieving efficient and economical inner surface polishing effect. It is suitable for pipes of various specifications and protects the pipe surface.
Patent Information
- Application Number
- CN202422928750.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-11-28
AI Technical Summary
Existing technologies are insufficient to effectively address internal surface defects in high-precision pipes generated during extrusion, rolling, or drawing processes, such as die marks, rolling marks, pits, scratches, dents, and bubbles. These defects are particularly difficult to eliminate using traditional methods for longer pipes.
A simple device for polishing the inner surface of high-precision pipes was designed, including a base, a front pressure block for the pipe, a rear pressure block for the pipe, a front support for the pipe, a rear support for the pipe, an abrasive, a support pulley for the abrasive, a slider for the abrasive, and a guide rail for the abrasive. The abrasive is driven by a pneumatic control switch to polish the inner surface. Combined with an adjustable support structure and an extension rod for the abrasive, it can adapt to pipes of different specifications and lengths.
It achieves efficient grinding of the inner surface of high-precision pipes, eliminates inner surface defects, has a simple structure, small footprint, is easy to operate, is economical and practical, is suitable for pipes of various specifications, and protects the pipe surface to avoid secondary damage.
Smart Images
Figure CN223802327U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of polishing the inner surface of pipes, and more particularly to the technical field of polishing the inner surface of high-precision thin-walled pipes. Background Technology
[0002] With industrial development and progress, manufacturing enterprises, especially those producing high-precision equipment, have higher requirements for their raw material procurement, such as superior performance, accurate dimensions, and perfect surface finish. This has led pipe manufacturing and processing companies to continuously improve the performance, dimensions, and surface finish of their pipes in order to meet market demands and seize market share. During the extrusion, rolling, or drawing process, defects such as die marks, rolling marks, pits, scratches, dents, indentations, and even bubbles and pores are unavoidable. While these defects on the outer surface of the pipe can be easily removed by manual or machine grinding, they become impossible to remove on the inner surface due to limitations in pipe delivery length and inner diameter. Utility Model Content
[0003] The purpose of this invention is to eliminate defects generated during the extrusion, rolling or drawing process of pipes. In response to the above-mentioned technical problems, this invention provides a simple device for polishing the inner surface of high-precision pipes.
[0004] The technical solution adopted by this utility model to solve the technical problem is as follows: a simple device for polishing the inner surface of high-precision pipes, including a base, a front pipe pressure block, a rear pipe pressure block, a front pipe support, a rear pipe support, an abrasive, an abrasive support pulley, an abrasive slider, and an abrasive guide rail; the front pipe support and the rear pipe support are located at the front end of the base and are arranged in a straight line, parallel to the length direction of the base; the front pipe pressure block is located directly above the front pipe support by a locking bracket, and is parallel to the length direction of the base. The lower part of the locking frame is fixedly connected to the base. The pipe rear pressure block is set directly above the pipe rear support through the locking frame and is parallel to the length direction of the base. The lower part of the locking frame is fixedly connected to the base. The mold guide rail is fixedly connected to the rear end of the base and is parallel to the length direction of the base. The mold slider is slidably connected to the upper part of the mold guide rail. The mold support pulley is rotatably connected to the base and is set at the front end of the mold guide rail. The end of the mold is fixed on the mold slider and the front end is supported on the mold support pulley.
[0005] Furthermore, the abrasive is connected to a pneumatic control switch via a hose.
[0006] Further, the pipe front pressing block and the pipe rear pressing block are both composed of an aluminum alloy aluminum sheet and a locking mechanism; the locking mechanism is composed of a locking screw and a pressing block, the locking screw is arranged on a locking frame and is in threaded cooperation with the locking frame, the upper portion of the pressing block is rotationally connected with the tail end of the locking screw, and the lower portion of the pressing block is fixedly connected with the aluminum alloy aluminum sheet.
[0007] Further, the aluminum alloy aluminum sheet has an elliptical arc cross section, and the inner surface of the aluminum alloy aluminum sheet towards the pipe side is provided with felt.
[0008] Further, the pipe front support and the pipe rear support are both composed of two triangular supports and two rollers, the two triangular supports are symmetrically arranged along the width direction of the base, the lower portion of the triangular support is connected to the slide, and the upper portion of the triangular support is rotationally connected with the roller, and the slide is fixed to the front end of the base.
[0009] Further, the grinding tool is composed of an extended rod and an air grinder, the extended rod is composed of a steel pipe with threads at both ends, and the tail end of the air grinder is provided with an air outlet.
[0010] Further, the grinding tool support pulley is arranged on a steel plate, the steel plate is welded to the base, the steel plate is provided with a long hole, the grinding tool support pulley is fixed to the steel plate through the long hole by means of screws, and the grinding tool support pulley is rotatable relative to the screw rod.
[0011] Further, the grinding tool sliding block fixes the extended rod of the grinding tool through two groups of long rod screws and gaskets.
[0012] The utility model discloses a pipe inner surface polishing device, which belongs to the technical field of pipe processing.
[0013] The utility model discloses a pipe inner surface polishing device, which belongs to the technical field of pipe processing.
[0014] The pipe front support and the pipe rear support of the utility model are both slidingly connected on the slide, the distance can be adjusted according to the outer diameter of the pipe, the grinding tool support pulley and the grinding tool sliding block can adjust the height and position according to the pipe specification, and the structure can be used for grinding or polishing more specifications of pipes.
[0015] The extended rod of the grinding tool of the utility model is simple to replace, can be suitable for pipes of different lengths, the air outlet at the tail end of the air grinder can blow away the aluminum chips generated during grinding, and the pipe is cooled, so that secondary damage of the aluminum chips to the pipe is avoided.
[0016] The inner surfaces of the pipe front pressing block and the pipe rear pressing block towards the pipe side are provided with felt, which protects the pipe surface. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic diagram of the utility model; Figure 2 is a schematic diagram of pipe fixing mode; Figure 3 is a structural schematic diagram of the grinding tool sliding block; Figure 4 is a structural schematic diagram of the locking mechanism;
[0018] In the drawings: 1, base; 2, pipe front pressing block; 3, pipe rear pressing block; 4, pipe front support; 5, pipe rear support; 6, grinding tool; 7, grinding tool support pulley; 8, grinding tool sliding block; 9, grinding tool guide rail; 10, pneumatic control switch; 11, slide; 12, triangular support; 13, roller; 14, cushion block; 15, handle; 16, aluminum alloy aluminum sheet; 17, locking bracket; 18, locking screw; 19, pressing block. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and examples in the specification, and the specific examples described here are only used to explain the utility model and not used to limit the utility model.
[0020] Specific implementation mode one: combining Figures 1 to 4 The utility model discloses a simple device for high-precision pipe inner surface polishing, which comprises a base, a pipe front pressing block, a pipe rear pressing block, a pipe front support, a pipe rear support, a grinding tool, a grinding tool support pulley, a grinding tool sliding block and a grinding tool guide rail.
[0021] In a preferred embodiment, the grinding tool 6 is connected to the pneumatic control switch 10 through a hose.
[0022] In a preferred embodiment, the pipe front pressing block 2 and the pipe rear pressing block 3 are both composed of aluminum alloy aluminum sheet 16 and locking mechanism; the locking mechanism is composed of locking screw 18 and pressing block 19, the locking screw 18 is arranged on the locking frame 17 and is in threaded cooperation with the locking frame 17, the upper part of the pressing block 19 is rotationally connected with the end of the locking screw 18, and the lower part of the pressing block 19 is fixedly connected with the aluminum alloy aluminum sheet 16.
[0023] In a preferred embodiment, the cross section of the aluminum alloy aluminum sheet 16 is an oval arc shape, and the inner surface of the aluminum alloy aluminum sheet 16 towards the pipe side is provided with felt.
[0024] In a preferred embodiment, the pipe front support 4 and the pipe rear support 5 are both composed of two triangular supports 12 and two rollers 13, the two triangular supports 12 are symmetrically arranged along the width direction of the base 1, the lower part of the triangular support 12 is connected to the slide 11, and the upper part of the triangular support 12 is rotationally connected with the roller 13, and the slide 11 is fixed to the front end of the base 1.
[0025] In a preferred embodiment, the grinding tool 6 is composed of an elongated rod and an air grinder, the elongated rod is composed of a steel pipe with threads at both ends, and the tail end of the air grinder is provided with an air outlet. The air grinder used in this embodiment is a prior art.
[0026] In a preferred embodiment, the grinding tool support pulley 7 is arranged on a steel plate, the steel plate is welded to the base 1, the steel plate is provided with a long hole, the grinding tool support pulley 7 is fixed to the steel plate by a screw passing through the long hole, and the grinding tool support pulley 7 is rotatable relative to the screw rod.
[0027] DETAILED DESCRIPTION Figures 1 to 4 This embodiment is a simple device for high-precision polishing of the inner surface of a pipe, which includes a base 1, a pipe front pressing block 2, a pipe rear pressing block 3, a pipe front support 4, a pipe rear support 5, a grinding tool 6, a grinding tool support pulley 7, a grinding tool sliding block 8, a grinding tool guide rail 9, and a pneumatic control switch 10.
[0028] The above-mentioned simple device for high-precision polishing of the inner surface of a pipe, wherein the pipe front pressing block 2 is fixed above the pipe front support 4 by square steel and is parallel to each other in the horizontal direction.
[0029] The above-mentioned simple device for high-precision polishing of the inner surface of a pipe, wherein the pipe rear pressing block 3 is fixed above the pipe rear support 5 by square steel and is parallel to each other in the horizontal direction.
[0030] The high-precision pipe inner surface polishing simple device, wherein the pipe front support 4 and the pipe rear support 5 are fixed to the front end of the base 1 and are in a straight line distribution and parallel to the base 1.
[0031] The high-precision pipe inner surface polishing simple device, wherein the grinding tool support pulley 7 is installed on the base 1, and the specific position is the front end of the grinding tool guide rail 9.
[0032] The high-precision pipe inner surface polishing simple device, wherein the grinding tool 6 is fixed to the grinding tool sliding block 8, and the front end is arranged on the grinding tool support pulley 7.
[0033] The high-precision pipe inner surface polishing simple device, wherein the grinding tool sliding block 8 is installed on the grinding tool guide rail 9.
[0034] The high-precision pipe inner surface polishing simple device, wherein the grinding tool guide rail 9 is fixed to the rear end of the base 1 and is parallel to the base 1.
[0035] The high-precision pipe inner surface polishing simple device, wherein the pneumatic control switch 10 is connected with the grinding tool 6 through a hose.
[0036] Preferably, the pipe front pressing block 2 and the pipe rear pressing block 3 are each composed of an aluminum alloy oval aluminum sheet with felt and a locking mechanism.
[0037] Preferably, the pipe front support 4 and the pipe rear support 5 are each fixed on a slide perpendicular to the base 1 by two triangular supports with rollers.
[0038] Preferably, the grinding tool 6 is composed of an extension rod and an air sander, and the extension rod is composed of a steel pipe with threads on both sides, and the air sander has an air outlet at the tail end.
[0039] Preferably, the grinding tool support pulley 7 is welded on the base by a steel plate, and the steel plate has a long hole, and the pulley is fixed to the steel plate by a screw passing through the long hole.
[0040] Preferably, the grinding tool sliding block 8 is fixed to the extension rod of the grinding tool 6 by two sets of long rod screws and gaskets.
[0041] The other components and connection relationships are the same as those in the first embodiment.
[0042] The third embodiment is combined with the first embodiment. Figures 1 to 4 In the third embodiment, a high-precision pipe inner surface polishing simple device is provided, which comprises a base 1, a pipe front pressing block 2, a pipe rear pressing block 3, a pipe front support 4, a pipe rear support 5, a grinding tool 6, a grinding tool support pulley 7, a grinding tool sliding block 8, a grinding tool guide rail 9, and a pneumatic control switch 10.
[0043] Further, in a preferred embodiment, the pipe front pressing block 2 is fixed above the pipe front support 4 by square steel, and is parallel to each other in horizontal direction, and the center lines coincide in vertical direction.
[0044] Further, in a preferred embodiment, the pipe rear pressing block 3 is fixed above the pipe rear support 5 by square steel, and is parallel to each other in horizontal direction, and the center lines coincide in vertical direction.
[0045] Further, in a preferred embodiment, the pipe front support 4 and the pipe rear support 5 are fixed to the front end of the base 1, and are distributed in a straight line and parallel to the base 1.
[0046] Further, in a preferred embodiment, the grinding tool support pulley 7 is installed on the base 1, and the specific position is the front end of the grinding tool guide rail 9.
[0047] Further, in a preferred embodiment, the grinding tool 6 is fixed to the grinding tool sliding block 8 at the end, and is supported on the grinding tool support pulley 7 at the front end, so as to meet the requirement that the grinding tool 6 is parallel to the base 1.
[0048] Further, in a preferred embodiment, the center positions of the pipe front pressing block 2, the pipe rear pressing block 3, the pipe front support 4 and the pipe rear support 5 coincide with the center of the grinding tool 6.
[0049] Further, in a preferred embodiment, the grinding tool sliding block 8 is installed on the grinding tool guide rail 9. The top of the grinding tool sliding block 8 is provided with a cushion block 14, and the grinding tool 6 is installed on the cushion block 14. The side surface of the grinding tool sliding block 8 is further provided with a handle 15 for pushing the grinding tool sliding block 8 to slide along the grinding tool guide rail 9.
[0050] Further, in a preferred embodiment, the grinding tool guide rail 9 is fixed to the rear end of the base 1 and is parallel to the base 1.
[0051] Further, in a preferred embodiment, the pneumatic control switch 10 is connected with the grinding tool 6 through a hose.
[0052] The utility model further has the following implementation manners on the basis of the above:
[0053] In a further embodiment of the utility model, a simple device for high-precision pipe inner surface polishing comprises a base 1, a pipe front pressing block 2, a pipe rear pressing block 3, a pipe front support 4, a pipe rear support 5, a grinding tool 6, a grinding tool support pulley 7, a grinding tool sliding block 8, a grinding tool guide rail 9 and a pneumatic control switch 10.
[0054] In the further embodiment of the utility model, the front end of base 1 is provided with pipe front support 4 and pipe rear support 5, pipe front pressing block 2 and pipe rear pressing block 3 are respectively installed on pipe front support 4 and pipe rear support 5, grinding tool guide rail 9 is arranged at the rear of base 1, grinding tool support pulley 7 is installed at the front of grinding tool guide rail 9, grinding tool sliding block 8 is arranged on grinding tool guide rail 9, grinding tool 6 is fixed on grinding tool sliding block 8 and is connected with pneumatic control switch 10.
[0055] In the further embodiment of the utility model, pipe front pressing block 2 is fixed above pipe front support 4 through square steel and is parallel with each other in horizontal direction.
[0056] In the further embodiment of the utility model, pipe rear pressing block 3 is fixed above pipe rear support 5 through square steel and is parallel with each other in horizontal direction.
[0057] In the further embodiment of the utility model, pipe front support 4 and pipe rear support 5 are fixed on the front end of base 1 and are distributed in a straight line and are parallel with base 1.
[0058] In the further embodiment of the utility model, grinding tool support pulley 7 is installed on base 1, and the specific position is the front end of grinding tool guide rail 9.
[0059] In the further embodiment of the utility model, the end of grinding tool 6 is fixed on grinding tool sliding block 8, and the front end is arranged on grinding tool support pulley 7.
[0060] In the further embodiment of the utility model, grinding tool sliding block 8 is installed on grinding tool guide rail 9.
[0061] In the further embodiment of the utility model, grinding tool guide rail 9 is fixed on the rear end of base 1 and is parallel with base 1.
[0062] In the further embodiment of the utility model, pneumatic control switch 10 is connected with grinding tool 6 through a hose.
[0063] In the further embodiment of the utility model, the pipe material front support 4 and the pipe material rear support 5 are slidably connected on the slide 11 through the triangular support 12, the distance between the two triangular supports 12 can be adjusted according to the outer diameter of the pipe material, and after being adjusted to the appropriate distance, the slide 11 can be locked through the screw, the structure of the grinding tool support pulley 7 and the grinding tool sliding block 8 can also be adjusted in height according to the pipe material specification, and the grinding or polishing of more specifications of pipe material is facilitated. The extension rod of the grinding tool 6 is simple to replace, can be suitable for the pipe material without delivery length, the air outlet hole at the tail end of the air sand wheel machine can blow away the aluminum chips generated during grinding, avoids the generation of new defects, and the air outlet hole can make the air in the pipe circulate to cool the pipe material. The pipe material front support 4 and the pipe material rear support 5 are supported by the plastic roller, the pipe material front pressing block 2 and the pipe material rear pressing block 3 are both provided with felt, and the surface of the pipe material is well protected.
[0064] Other components and connection relationships are the same as those in the specific embodiment.
[0065] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, and the utility model can be changed and varied for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A simple device for high precision tube inner surface polishing, characterized in that: It comprises base (1), pipe front pressing block (2), pipe rear pressing block (3), pipe front support (4), pipe rear support (5), grinding tool (6), grinding tool support pulley (7), grinding tool sliding block (8) and grinding tool guide rail (9); The pipe front support (4) and the pipe rear support (5) are arranged at the front end of the base (1) and are in a straight line distribution and parallel to the length direction of the base (1); The pipe front pressing block (2) is arranged above the pipe front support (4) by the locking frame (17) and is parallel to the length direction of the base (1), and the lower part of the locking frame (17) is fixedly connected with the base (1), The pipe rear pressing block (3) is arranged above the pipe rear support (5) by the locking frame (17) and is parallel to the length direction of the base (1), and the lower part of the locking frame (17) is fixedly connected with the base (1); The grinding tool guide rail (9) is fixedly connected at the rear end of the base (1) and is parallel to the length direction of the base (1), and the grinding tool sliding block (8) is slidingly connected at the upper part of the grinding tool guide rail (9), The grinding tool support pulley (7) is rotatably connected with the base (1) and is arranged at the front end of the grinding tool guide rail (9), and the tail end of the grinding tool (6) is fixed on the grinding tool sliding block (8) and the front end is arranged on the grinding tool support pulley (7).
2. The simple device for high precision tube inner surface polishing according to claim 1, characterized in that: The grinding tool (6) is connected with the pneumatic control switch (10) by a hose.
3. The simple device for high precision tube inner surface polishing according to claim 1, characterized in that: The pipe front pressing block (2) and the pipe rear pressing block (3) are both composed of an aluminum alloy aluminum sheet (16) and a locking mechanism; The locking mechanism is composed of a locking screw (18) and a pressing block (19), the locking screw (18) is arranged on the locking frame (17) and is in threaded cooperation with the locking frame (17), The upper part of the pressing block (19) is rotatably connected with the tail end of the locking screw (18), and the lower part of the pressing block (19) is fixedly connected with the aluminum alloy aluminum sheet (16).
4. The simple device for high precision tube inner surface polishing according to claim 3, characterized in that: The cross section of the aluminum alloy aluminum sheet (16) is an oval arc shape, and the inner surface of the aluminum alloy aluminum sheet (16) towards the pipe side is provided with felt.
5. The simple device for high precision tube inner surface polishing as claimed in claim 1, wherein: The pipe front support (4) and the pipe rear support (5) are both composed of two triangular supports (12) and two rollers (13), The two triangular supports (12) are symmetrically arranged along the width direction of the base (1), the lower part of the triangular support (12) is connected with the slide (11), and the upper part of the triangular support (12) is rotatably connected with the roller (13), and the slide (11) is fixed at the front end of the base (1).
6. The simple device for high precision tube inner surface polishing according to claim 1, characterized in that: The grinding tool (6) is composed of an elongated rod and an air grinder, the elongated rod is composed of a steel pipe with threads at both ends, and the tail end of the air grinder is provided with an air outlet.
7. The simple device for high precision tube inner surface polishing as claimed in claim 1, wherein: The grinding tool support pulley (7) is arranged on a steel plate, the steel plate is welded on the base (1), the steel plate is provided with a long hole, the grinding tool support pulley (7) is fixed on the steel plate by a screw passing through the long hole, and the grinding tool support pulley (7) is rotatable relative to the screw rod.
8. The simple device for high precision tube inner surface polishing as claimed in claim 1, wherein: The grinding tool sliding block (8) fixes the elongated rod of the grinding tool (6) by two groups of long rod screws and gaskets.