Intersecting hole burr removing tool for aviation high-precision valve

Abstract

The invention discloses a through hole burr removing tool for an aviation high-precision valve, the through hole burr removing tool comprises a workbench, a clamping mechanism, a cleaning assembly, a lifting assembly, an air source and a collecting assembly, the clamping mechanism is arranged on the workbench, the clamping mechanism is used for clamping a workpiece, and the workpiece is provided with an intersecting line formed by intersection of a connector and a tubular part; the clamping mechanism is clamped on the tubular part and enables the joint to be vertically upward; the cleaning assembly comprises a motor and a vertical pipe in driving connection with the motor, and the lower end of the vertical pipe is connected with a steel wire brush located over the connector. The lifting assembly is arranged above the workbench in a lifting mode, and the cleaning assembly is installed on the lifting assembly and used for enabling a steel wire brush to be inserted into the connector; the gas source is communicated with the vertical pipe; the collecting assembly is communicated with the tubular part of the workpiece and is used for collecting the cleaned burrs; according to the through hole burr removing tool for the aviation high-precision valve, through hole burrs in a workpiece can be well removed, and operation is convenient and efficient.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, and in particular to a tool for removing burrs from intersecting holes of high-precision aviation valve parts. Background Art

[0002] There are a large number of intersecting hole structures in products such as aviation high-precision valves. For example, in the workpiece product of the three-way joint structure at the end of the valve body, it includes a tubular part and a joint that intersects the tubular part vertically. The intersection of the joint and the tubular part will form an intersection line inside the workpiece; during the workpiece processing, a certain amount of burrs will remain on the intersection line inside the workpiece. During the use of the above workpiece, the burrs are easy to fall off and mix into the hydraulic medium, affecting the use of the valve and the entire hydraulic pipeline; therefore, when processing the workpiece, it is necessary to use tools to remove the burrs in the above intersecting holes;

[0003] Patent CN211465061U discloses a cross-hole intersecting line burr remover, which scrapes out burrs in the intersecting holes through the blade structure at the front end of the tool; however, it is manually operated and it is difficult to completely remove the burrs; in addition, the blade is likely to scratch the inner wall of the workpiece during manual operation; and the operating efficiency is relatively low. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the background technology and provide a tool for removing burrs from intersecting holes of high-precision aviation valve parts.

[0005] The embodiments of the present invention are implemented by the following technical solutions:

[0006] A tool for removing burrs from intersecting holes of high-precision aviation valve parts, comprising:

[0007] Workbench;

[0008] A clamping mechanism is arranged on the workbench, and is used to clamp a workpiece, wherein the workpiece has an intersection line formed by the intersection of the joint and the tubular member; the clamping mechanism is clamped on the tubular member, and makes the joint vertically upward;

[0009] A cleaning assembly, comprising a motor and a vertical pipe drivingly connected to the motor, wherein the lower end of the vertical pipe is connected to a wire brush located just above the joint;

[0010] A lifting assembly is liftably disposed above the workbench, and the cleaning assembly is mounted on the lifting assembly so as to enable the wire brush to be inserted into the joint;

[0011] a gas source in communication with the standpipe; and

[0012] A collecting component is communicated with the tubular member of the workpiece and is used for collecting the cleaned burrs.

[0013] Furthermore, the clamping mechanism comprises:

[0014] A bidirectional screw rod is arranged horizontally, and both ends of the bidirectional screw rod are rotatably supported on the workbench;

[0015] Two groups of sliders, each of the two ends of the bidirectional screw rod is connected to a group of sliders, so that the two groups of sliders can be relatively gathered / expanded; each group of sliders is provided with a first clamping assembly, and each end of the tubular member is clamped by a group of the first clamping assembly; and

[0016] The second clamping assembly comprises inserts respectively arranged on the opposite surfaces of two groups of the first clamping assemblies, and a gap for accommodating the joint is provided between the opposite surfaces of the two groups of the inserts so as to be gathered and clamped on the outer wall of the joint.

[0017] Further, the first clamping assembly includes an upper clamp and a lower clamp that are arranged opposite to each other up and down;

[0018] The lower chuck is fixed on the slider; a vertical guide assembly is provided on the slider, and the upper chuck is slidably arranged on the guide assembly so as to be able to press downward against the lower chuck; a push rod is threadedly connected to the upper end of the guide assembly, and the lower end of the push rod is rotatably connected to the upper chuck.

[0019] Furthermore, the insert is arranged on the upper chuck, the notch is V-shaped, and the surface of the notch is provided with concave-convex patterns.

[0020] Furthermore, two groups of first clamps are provided on the lower end surface of the upper clamp, and two groups of second clamps are provided on the upper end surface of the lower clamp; along the axial direction of the tubular member, the two groups of second clamps are located between the two groups of first clamps.

[0021] Furthermore, the lifting assembly comprises:

[0022] A frame supported above the workbench;

[0023] A slide table is mounted on the frame so as to be slidable up and down, and the cleaning assembly is mounted on the slide table; and

[0024] The cylinder is fixed on the frame, and the output end of the cylinder is connected to the slide table to drive the slide table to rise and fall.

[0025] Furthermore, the upper end of the vertical pipe is connected to the gas source, the lower end of the vertical pipe is provided with a columnar member that can be inserted into the joint, and the side wall of the columnar member is penetrated by an air hole that is connected to the vertical pipe.

[0026] Furthermore, a guide groove is provided on the columnar member in a radial direction, and two sets of counterweight blocks are slidably provided in the guide groove;

[0027] The two groups of counterweight blocks are connected by a tension spring so that the two groups of counterweight blocks can be accommodated in the guide groove; a limiting structure is provided in the guide groove, which can make the counterweight blocks slide centrifugally and partially protrude from the outer wall of the columnar member when the columnar member rotates; the wire brush is arranged on the outer wall of the counterweight block.

[0028] Furthermore, the collecting assembly comprises a collecting box arranged directly below the workbench, the upper end of the collecting box is connected to a conduit; the other end cover of the conduit is arranged at both ends of the tubular member of the workpiece.

[0029] Furthermore, the lower end of the columnar member is a hemispherical structure, and the diameter of the hemispherical structure is smaller than the inner diameter of the tubular member.

[0030] The technical solution of the embodiment of the present invention has at least the following advantages and beneficial effects:

[0031] In the intersecting hole burr removal tooling for aviation high-precision valve parts of the present invention, the workpiece is clamped by a clamping mechanism, and driven by a lifting mechanism, the cleaning component can move up and down relative to the intersecting hole; when the wire brush at the lower end of the vertical pipe is inserted into the workpiece, driven by a motor, the wire brush can efficiently remove the burrs on the intersecting hole of the workpiece, reducing burr residue; in addition, the wire brush can also polish the inner wall of the intersecting hole of the workpiece during rotation, thereby improving the finish of the inner wall of the workpiece;

[0032] In the intersecting hole burr removal tool for aviation high-precision valve parts of the present invention, since the vertical pipe at the upper end of the wire brush is also connected to the air source, during the burr removal process, the gas output by the air source can blow the burrs into the collection component, thereby avoiding the splashing of the burrs. Through the above-mentioned intersecting hole burr removal tool for aviation high-precision valve parts, the burrs of the intersecting holes inside the workpiece can be better cleaned, and the operation is convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a front view of a tool for removing burrs from intersecting holes of high-precision aviation valve parts in an embodiment of the present invention;

[0034] Figure 2 Schematic diagram of the assembly relationship between the lifting assembly and the cleaning assembly in the embodiment of the present invention;

[0035] Figure 3 is a three-dimensional diagram of a clamping assembly in an embodiment of the present invention;

[0036] Figure 4 Schematic diagram of the assembly relationship between the vertical pipe and the columnar member in the embodiment of the present invention;

[0037] Figure 5 Schematic diagram of the internal structure of a columnar member in an embodiment of the present invention;

[0038] Icons: 1-workbench, 2-clamping mechanism, 20-bidirectional screw, 21-slider, 3-workpiece, 30-joint, 31-tubular part, 4-cleaning assembly, 40-motor, 41-vertical pipe, 42-wire brush, 43-column part, 430-hemispherical structure, 431-air hole, 44-counterweight, 45-tension spring, 5-lifting assembly, 50-frame, 51-slide, 52-cylinder, 6-air source, 7-collecting assembly, 70-collecting box, 71-conduit, 8-first clamping assembly, 80-upper chuck, 800-first clamp, 81-lower chuck, 810-second clamp, 82-guide assembly, 83-top rod, 9-second clamping assembly, 90-insert. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0040] Reference Figures 1 to 5 The present invention provides a tool for removing burrs from intersecting holes of high-precision aviation valve parts, which is used to remove burrs from intersecting holes of a workpiece 3.

[0041] According to the different structures of the workpiece 3, the corresponding clamping assembly 2 can be selected to fix the workpiece 3 and make the intersecting hole of the workpiece 3 vertically upward; in this embodiment, the workpiece 3 adopts a three-way joint structure, and the workpiece 3 includes a joint 30 and a tubular member 31. The joint 30 is vertically connected to the tubular member 31. Therefore, the intersection line is located at the part where the joint 30 and the tubular member 31 are connected.

[0042] Reference Figure 1 The intersecting hole burr removal tool for aviation high-precision valve parts of this embodiment includes a workbench 1, a clamping mechanism 2, a cleaning component 4, a lifting component 5, an air source 6 and a collecting component 7.

[0043] Reference Figure 1 , wherein the workbench 1 is used to install the clamping mechanism 2 and the workpiece 3, that is, the clamping mechanism 2 is installed on the workbench 1, and the workpiece 3 is clamped and fixed by the clamping mechanism 2.

[0044] Reference Figure 3The workpiece 3 has an intersecting line formed by the intersection of the joint 30 and the tubular member 31; the clamping mechanism 2 is clamped on the tubular member 31, and the joint 30 is vertically upward, that is, the joint 30 constitutes the intersecting hole mentioned above.

[0045] In order to achieve the above clamping action, refer to Figure 3 In this embodiment, the clamping mechanism 2 includes a screw pair consisting of a bidirectional screw 20 and two sets of sliders 21, as well as a first clamping assembly 8 and a second clamping assembly 9.

[0046] Among them, the bidirectional screw rod 20 is arranged horizontally, and connecting seats are provided at both ends of the bidirectional screw rod 20 on the workbench 1. The two ends of the bidirectional screw rod 20 are rotatably connected to a group of connecting seats, and a group of sliders 21 are connected to the threaded surfaces at both ends of the bidirectional screw rod 20; the lower end of the slider 21 is against the upper end surface of the workbench 1, so that the slider 21 cannot rotate around the bidirectional screw rod 20, and the slider 21 can only move around the axial direction of the bidirectional screw rod 20; when the bidirectional screw rod 20 is rotated, the two groups of sliders 21 can be relatively gathered / expanded.

[0047] Optionally, a plurality of guide shafts for parallel bidirectional screw rods 20 may be arranged between the two groups of connecting seats, and two groups of sliders 21 are passed through the guide shafts to provide guidance for the sliding of the sliders 21 .

[0048] Reference Figure 3 Each group of sliders 21 is provided with a first clamping assembly 8, and both ends of the tubular member 31 are clamped by a group of first clamping assemblies 8, and the joint 30 is vertically upward.

[0049] Reference Figure 3 , wherein the second clamping assembly 9 includes inserts 90 respectively arranged on the opposite surfaces of the two groups of first clamping assemblies 8, and a gap for accommodating the joint 30 is provided between the opposite surfaces of the two groups of inserts 90. When the two groups of sliders 21 are gathered together, the two groups of inserts 90 are relatively close to and clamped on the outer wall of the joint 30.

[0050] The first clamping assembly 8 may be two sets of telescopic devices disposed outside the two axial ends of the bidirectional screw rod 20 , which are extended and retracted and pressed against the two ends of the tubular member 31 to clamp and fix the tubular member 31 .

[0051] Alternatively, the first supporting component 8 adopts the aforementioned telescopic device, and the output end of the telescopic device is cone-shaped, and the maximum outer diameter of the cone is larger than the inner diameter of the end of the tubular member 31. Accordingly, the outer wall of the cone has friction lines; the output end of the telescopic device can be partially inserted into the tubular member 31 to constrain and fix the tubular member 31.

[0052] For example, in one embodiment, referring to Figure 3The first clamping assembly 8 includes an upper clamp 80 and a lower clamp 81 which are arranged opposite to each other in the upper and lower directions, wherein the lower clamp 81 is fixed on the slider 21; the slider 21 is also provided with a vertical guide assembly 82, on which the upper clamp 80 is slidably arranged, and the upper clamp 80 can slide up and down relative to the lower clamp 81, and when the upper clamp 80 slides down to the lowest state, the upper clamp 80 can press downward against the lower clamp 81; the upper end of the guide assembly 82 is threadedly connected with a push rod 83, and the lower end of the push rod 83 is rotatably connected to the upper clamp 80. By screwing the push rod 83, the upper clamp 80 and the lower clamp 81 can clamp the tubular member 30.

[0053] Reference Figure 3 , wherein the insert 90 is arranged on the upper chuck 80, the notch of a single insert 90 is V-shaped, and the surface of the notch is provided with concave-convex patterns.

[0054] Reference Figure 3 In one embodiment, in each group of first clamping assemblies 8, two groups of first clamps 800 are provided on the lower end surface of the upper clamp 80, and two groups of second clamps 810 are provided on the upper end surface of the lower clamp 81; the two groups of first clamps 800 and the two groups of second clamps 810 are arranged at intervals along the axial direction of the tubular member 31.

[0055] Among them, in the axial direction of the tubular member 31, the two groups of second clamps 810 are located between the two groups of first clamps 800. By the two groups of second clamps 810 being located at different positions of the two groups of first clamps 800 clamping the tubular member 31 in the axial direction, uniform clamping of the tubular member 31 can be achieved.

[0056] In addition, it is easy to understand that the opposite surfaces of the first clamp 800 and the second clamp 810 are both V-shaped openings, and friction lines are also provided on the openings, so that the clamping effect is more stable.

[0057] Reference Figure 1 and Figure 2 The cleaning assembly 4 includes a motor 40 and a vertical pipe 41 drivingly connected to the motor 40. The lower end of the vertical pipe 41 is connected to a wire brush 42 located just above the joint 30. Driven by the motor 40, the vertical pipe 41 and the wire brush 42 can rotate at high speed.

[0058] Specifically, the upper end of the vertical pipe 41 is installed on the lifting assembly 5 through a bearing seat, and the upper end of the vertical pipe 41 is connected to the output end of the motor 40 through a pulley mechanism.

[0059] Reference Figure 2 The lifting assembly 5 is liftably arranged above the workbench 1, and the cleaning assembly 4 is installed on the lifting assembly 5, so that the wire brush 42 can be inserted into the joint 30 and brush off the burrs on the intersection line; during the process, the wire brush 42 can also polish the inner wall of the joint 30.

[0060] For example, refer to Figure 2 The lifting assembly 5 includes a frame 50, a slide 51 and a cylinder 52.

[0061] Among them, the frame 50 is supported above the workbench 1; the slide 51 can be installed on the frame 50 so as to slide up and down, and the cleaning component 4 is installed on the slide 51; the upper end of the cylinder 52 is fixed on the frame 50, and the output end of the cylinder 52 is downward and connected to the slide 51. By controlling the extension and retraction of the cylinder, the lifting and lowering of the slide 51 can be driven; when the cylinder 52 descends to the maximum stroke, the wire brush 42 is just inserted into the joint 30 and contacts the intersection line.

[0062] Reference Figure 2 The upper end of the vertical pipe 41 is connected to the gas source 6, and the lower end of the vertical pipe 41 is provided with a columnar member 43 that can be inserted into the joint 30, and the side wall of the columnar member 43 is penetrated by an air hole 431 that communicates with the vertical pipe 41.

[0063] For example, the gas source 6 can be an air pump structure, and the upper end joint of the vertical pipe 41 should be a rotatable movable joint. By blowing gas into the joint 30, the brushed burrs can be discharged along the two ends of the tubular member 31.

[0064] Reference Figure 4 and Figure 5 In one embodiment, a guide groove is provided on the cylindrical member 43 in the radial direction, and two groups of counterweight blocks 44 are slidably provided in the guide groove. The two groups of counterweight blocks 44 are connected by a tension spring 45 so that the two groups of counterweight blocks 44 can be accommodated in the guide groove; a wire brush 42 is provided on the outer wall of the counterweight block 44; the diameter of the cylindrical member 43 is smaller than the inner diameter of the joint 30, and naturally, since the counterweight block 44 can be retracted into / slided out of the interior of the cylindrical member 43, the wire brush 42 on the counterweight block 44 can move with it; when the counterweight block 44 is centrifugally thrown out, the outer wall of the counterweight block 44 can partially protrude from the outer wall of the cylindrical member 43.

[0065] Therefore, when the columnar member 43 is inserted into the joint 30 , the wire brush 42 may not contact the inner wall of the joint 30 ; when the columnar member 43 rotates at a high speed, the wire brush 42 is centrifugally brushed out and contacts the inner wall of the joint 30 .

[0066] In addition, optionally, the outer diameter of the columnar member 43 may be slightly smaller than the inner diameter of the joint 30 , so that when the air source blows, the burrs that fall off are not easy to splash out along the joint 30 due to the obstruction of the columnar member 43 .

[0067] In addition, optionally, the lower end of the columnar member 43 is a hemispherical structure 430, and the diameter of the hemispherical structure 430 is smaller than the inner diameter of the tubular member 31. During the burr cleaning process, the friction contact surface between the lower end of the columnar member 43 and the tubular member 31 can be reduced.

[0068] For the collecting component, optionally, in one embodiment, the collecting component 7 includes a collecting box 70 disposed directly below the workbench 1, and the upper end of the collecting box 70 is connected to two groups of conduits 71; the other end covers of the two groups of conduits 71 are disposed at both ends of the tubular member 31 of the workpiece 3; the burrs blown out by the air source 6 can fall along the conduits 71 into the collecting box 70 below, so as to prevent the burrs from splashing everywhere.

[0069] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A tool for removing burrs from intersecting holes of high-precision aviation valve parts, characterized in that: include: Workbench; A clamping mechanism is arranged on the workbench, and is used to clamp a workpiece, wherein the workpiece has an intersection line formed by the intersection of the joint and the tubular member; the clamping mechanism is clamped on the tubular member, and makes the joint vertically upward; A cleaning assembly, comprising a motor and a vertical pipe drivingly connected to the motor, wherein the lower end of the vertical pipe is connected to a wire brush located just above the joint; A lifting assembly is liftably disposed above the workbench, and the cleaning assembly is mounted on the lifting assembly so as to enable the wire brush to be inserted into the joint; a gas source in communication with the standpipe; and A collecting component is communicated with the tubular member of the workpiece and is used for collecting the cleaned burrs.

2. The intersecting hole burr removal tool for aviation high-precision valve parts according to claim 1 is characterized in that: The clamping mechanism comprises: A bidirectional screw rod is arranged horizontally, and both ends of the bidirectional screw rod are rotatably supported on the workbench; Two groups of sliders, each of the two ends of the bidirectional screw rod is connected to a group of sliders, so that the two groups of sliders can be relatively gathered / expanded; each group of sliders is provided with a first clamping assembly, and each end of the tubular member is clamped by a group of the first clamping assembly; and The second clamping assembly comprises inserts respectively arranged on the opposite surfaces of two groups of the first clamping assemblies, and a gap for accommodating the joint is provided between the opposite surfaces of the two groups of the inserts so as to be gathered and clamped on the outer wall of the joint.

3. The intersecting hole burr removal tool for aviation high-precision valve parts according to claim 2 is characterized in that: The first clamping assembly comprises an upper clamp and a lower clamp arranged opposite to each other; The lower chuck is fixed on the slider; a vertical guide assembly is provided on the slider, and the upper chuck is slidably arranged on the guide assembly so as to be able to press downward against the lower chuck; a push rod is threadedly connected to the upper end of the guide assembly, and the lower end of the push rod is rotatably connected to the upper chuck.

4. The intersecting hole burr removal tool for aviation high-precision valve parts according to claim 3 is characterized in that: The insert is arranged on the upper clamping head, the notch is V-shaped, and the surface of the notch is provided with concave-convex patterns.

5. The intersecting hole burr removal tool for aviation high-precision valve parts according to claim 3 or 4, characterized in that: Two groups of first clamps are arranged on the lower end surface of the upper clamp, and two groups of second clamps are arranged on the upper end surface of the lower clamp; along the axial direction of the tubular member, the two groups of the second clamps are located between the two groups of the first clamps.

6. The intersecting hole burr removal tool for aviation high-precision valve parts according to claim 1 is characterized in that: The lifting assembly comprises: A frame supported above the workbench; A slide table is mounted on the frame so as to be slidable up and down, and the cleaning assembly is mounted on the slide table; and The cylinder is fixed on the frame, and the output end of the cylinder is connected to the slide table to drive the slide table to rise and fall.

7. The intersecting hole burr removal tool for aviation high-precision valve parts according to claim 1 is characterized in that: The upper end of the vertical pipe is communicated with the gas source, and the lower end of the vertical pipe is provided with a columnar member that can be inserted into the joint, and the side wall of the columnar member is penetrated with an air hole that is communicated with the vertical pipe.

8. The intersecting hole burr removal tool for aviation high-precision valve parts according to claim 7 is characterized in that: The columnar member is provided with a guide groove penetrating in the radial direction, and two sets of counterweight blocks are slidably arranged in the guide groove; The two groups of counterweight blocks are connected by a tension spring so that the two groups of counterweight blocks can be accommodated in the guide groove; a limiting structure is provided in the guide groove, which can make the counterweight blocks slide centrifugally and partially protrude from the outer wall of the columnar member when the columnar member rotates; the wire brush is arranged on the outer wall of the counterweight block.

9. The intersecting hole burr removal tool for aviation high-precision valve parts according to claim 1, 7 or 8, characterized in that: The collecting assembly comprises a collecting box arranged directly below the workbench, wherein the upper end of the collecting box is connected to a conduit; the other end of the conduit is covered at both ends of the tubular member of the workpiece.

10. The intersecting hole burr removal tool for aviation high-precision valve parts according to claim 7, characterized in that: The lower end of the columnar member is a hemispherical structure, and the diameter of the hemispherical structure is smaller than the inner diameter of the tubular member.

Images