Pneumatic deburring spindle

Abstract

The utility model belongs to the technical field of deburring spindles, and particularly relates to a pneumatic deburring spindle which comprises a shell assembly, a valve body, a floating assembly and a cutter assembly. The floating assembly is movably installed in the shell assembly, the valve body comprises a first valve body and a second valve body, the first valve body and the second valve body are installed in the shell assembly and communicated to the interior, and the cutter assembly is detachably installed in the floating assembly; according to the pneumatic deburring main shaft, a detachable cutter structure is adopted, and the movable assembly and the cutter assembly adopt a rotary disassembly mode, so that the pneumatic deburring main shaft can be quickly disassembled, is adaptive to various cutters, and adapts to different materials and machining requirements.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the deburring main shaft technical field, specifically relates to a pneumatic deburring main shaft. BACKGROUND

[0002] The deburring main shaft is a kind of precision equipment for removing the burr on the surface of workpiece, is widely used in machining, automobile manufacturing, aerospace etc.Its core function is to carry out fine processing to the edge of workpiece by high-speed rotating cutter or abrasive, to improve surface quality and precision.

[0003] The main technical features of the deburring main shaft are as follows:

[0004] High speed rotation: the speed of main shaft is usually several thousand to several ten thousand revolutions per minute, to ensure efficient deburring

[0005] High precision: adopt precision bearing and driving system, to ensure machining precision.

[0006] Automatic integration: usually cooperate with CNC machine tool or robot, to realize automatic machining.

[0007] But the deburring main shaft in prior art has the following shortcomings:

[0008] Limited adaptability: different materials and shapes of workpiece need different cutters and parameters, limited adaptability, to increase equipment adjustment time and complexity, reduce efficiency.Meanwhile, high cost, high-precision main shaft and cutter are high in cost, to increase enterprise investment burden. INVENTION CONTENTS

[0009] The utility model discloses a pneumatic deburring main shaft, to solve the above-mentioned problem.

[0010] Technical scheme: a pneumatic deburring main shaft, comprising: shell assembly, valve body, floating assembly and cutter assembly;

[0011] The floating assembly is movably installed in the shell assembly, the valve body includes first valve body and second valve body, the first valve body and the second valve body are installed in the shell assembly and are communicated to the inside, and the cutter assembly is detachably installed in the floating assembly.

[0012] In further embodiments, the shell assembly includes upper cover, intermediate shell, sleeve and bottom cover;

[0013] The upper cover is fixedly installed at one end of the intermediate shell, one end of the sleeve is fixedly installed at the other end of the intermediate shell, and the bottom cover is fixedly installed on the other end of the sleeve, and the upper cover, the intermediate shell, the sleeve and the bottom cover are combined to form a cavity for installing the floating assembly.

[0014] In further embodiments, the floating assembly comprises: a shaft sleeve mounted in the cavity of the floating assembly through a plurality of ball bearings, and a screw thread at a distance on the shaft body and a compression hole opened; a main shaft mounted in the shaft sleeve; a pneumatic valve block mounted in the intermediate shell through a spring shaft and communicated with the first valve body, the pneumatic valve block is sleeved outside the shaft sleeve and adopts a clearance fit; a top block sleeved at the end of the shaft sleeve; a coupling sleeved in the end of the shaft sleeve; a coil screwed on the screw thread of the shaft sleeve; a support sleeve sleeved in the shaft sleeve and sleeved outside the tail of the main shaft; a compression block sleeved at the end of the shaft sleeve and the main shaft and located in the compression hole of the shaft sleeve to move in the compression hole of the shaft sleeve; a compression spring sleeved on the main shaft and between the support sleeve and the compression block; a connecting sleeve located in the support sleeve and sleeved outside the tail of the main shaft.

[0015] In further embodiments, the ball bearings comprise a first ball bearing, a second ball bearing and a third ball bearing; the first ball bearing, the second ball bearing and the third ball bearing are sleeved between the sleeve and the shaft sleeve, and a spacer sleeve and a gasket are arranged between the first ball bearing and the second ball bearing.

[0016] In further embodiments, a plurality of sealing rings are arranged between the pneumatic valve block and the intermediate shell.

[0017] In further embodiments, a limiting groove is formed between the intermediate shell and the upper cover, and the top block is located in the limiting groove.

[0018] In further embodiments, an elastic gasket is arranged between the coil and the first ball bearing, and a limiting check ring is arranged between the coil and the compression block.

[0019] In further embodiments, the tool assembly comprises: a tool seat, a connecting shaft, a tool sleeve and a tool body.

[0020] One end of the connecting shaft is sleeved at one end of the tool seat, and the other end is matched with the connecting sleeve of the floating assembly, the tool sleeve is sleeved at the other end of the tool seat, and the tool body is mounted in the tool sleeve.

[0021] Beneficial effects: the pneumatic deburring spindle adopts a detachable tool structure, the dynamic assembly and the tool assembly adopt a rotary disassembly mode, so that the pneumatic deburring spindle can be quickly disassembled, a variety of tools can be adapted, different materials and processing requirements can be adapted, and the pneumatic deburring spindle has the following effects:

[0022] 1. Improve production efficiency; quick tool changing: reduce downtime and improve equipment utilization. Continuous processing: support multi-process continuous processing, reduce workpiece handling and waiting time.

[0023] 2. Reduce production costs; reduce downtime losses: shorten tool changing time, reduce production losses caused by downtime. Long tool life: optimize tool changing process, reduce tool wear, extend service life.

[0024] 3. Enhance processing flexibility; adapt to multi-task processing: quickly switch between different tools to meet the multi-process requirements of complex workpieces. Support multiple materials: easily replace tools suitable for different materials to improve equipment versatility.

[0025] 4. Simplify maintenance and operation; easy to maintain: modular design simplifies maintenance and maintenance. Easy to operate: user-friendly design reduces operation difficulty and reduces training costs. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is the axonometric view of the utility model.

[0027] Figure 2 is the front view of the utility model.

[0028] Figure 3 is the cross-sectional view of the floating assembly of the utility model.

[0029] Figure 4 is the cross-sectional view of the tool assembly of the utility model.

[0030] Figure legend: housing assembly 1, floating assembly 2, tool assembly 5, first valve body 3, second valve body 4, upper cover 10, middle shell 11, sleeve 12, bottom cover 13, shaft sleeve 20, screw thread 21, compression hole 22, main shaft 23, pneumatic valve block 24, spring shaft 25, top block 26, coupling 27, spiral 28, support sleeve 29, compression block 30, compression spring 31, connecting sleeve 32, first ball bearing 33, second ball bearing 34, third ball bearing 35, spacer sleeve 36, gasket 37, sealing ring 38, limit groove 39, elastic washer 40, limit check ring 41, tool holder 50, connecting shaft 51, tool sleeve 52, tool body 53. DETAILED DESCRIPTION

[0031] The technical solutions of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0032] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0034] A kind of pneumatic deburring main shaft, comprising: shell assembly 1, valve body, floating assembly 2 and tool assembly 5;

[0035] In one embodiment, as shown in Figures 1 to 3 The floating assembly 2 is movably installed in the shell assembly 1, the valve body includes first valve body 3 and second valve body 4, the first valve body 3 and the second valve body 4 are installed in the shell assembly 1 and are connected to the inside, and the tool assembly 5 is detachably installed in the floating assembly 2.

[0036] In one embodiment, as shown in Figures 1 to 3 The shell assembly 1 includes upper cover 10, intermediate shell 11, sleeve 12 and bottom cover 13;

[0037] The upper cover 10 is fixedly installed at one end of the intermediate shell 11, one end of the sleeve 12 is fixedly installed at the other end of the intermediate shell 11, and the bottom cover 13 is fixedly installed at the other end of the sleeve 12, and the upper cover 10, the intermediate shell 11, the sleeve 12 and the bottom cover 13 are combined to form a cavity for installing the floating assembly 2 inside.

[0038] In one embodiment, as shown in Figures 1 to 3As shown, the floating assembly 2 comprises: a sleeve 20 mounted in the cavity of the floating assembly 2 through a plurality of ball bearings, and a screw thread 21 and a compression hole 22 provided at a distance on the shaft; a main shaft 23 mounted in the sleeve 20; a pneumatic valve block 24 mounted in the intermediate shell 11 through a spring shaft 25 and communicated with the first valve body 3, the pneumatic valve block 24 is sleeved outside the sleeve 20 and adopts a clearance fit; a top block 26 sleeved at the end of the sleeve 20; a coupling 27 sleeved at the end of the sleeve 20; a coil 28 screwed on the screw thread 21 of the sleeve 20; a support sleeve 29 sleeved in the sleeve 20 and sleeved outside the tail of the main shaft 23; a compression block 30 sleeved at the end of the sleeve 20 and the main shaft 23 and located in the compression hole 22 of the sleeve 20 to move in the compression hole 22 of the sleeve 20; a compression spring 31 sleeved on the main shaft 23 and between the support sleeve 29 and the compression block 30; a connecting sleeve 32 located in the support sleeve 29 and sleeved outside the tail of the main shaft 23.

[0039] In one embodiment, as shown in Figures 1 to 3 The ball bearings comprise a first ball bearing 33, a second ball bearing 34 and a third ball bearing 35, the first ball bearing 33, the second ball bearing 34 and the third ball bearing 35 are sleeved between the sleeve 12 and the sleeve 20, and a spacer sleeve 36 and a gasket 37 are provided between the first ball bearing 33 and the second ball bearing 34.

[0040] In one embodiment, as shown in Figures 1 to 3 A plurality of sealing rings 38 are provided between the pneumatic valve block 24 and the intermediate shell 11.

[0041] In one embodiment, as shown in Figures 1 to 3 A limiting groove 39 is formed between the intermediate shell 11 and the upper cover 10, and the top block 26 is located in the limiting groove 39.

[0042] In one embodiment, as shown in Figures 1 to 3 An elastic gasket 40 is provided between the coil 28 and the first ball bearing 33, and a limiting stop ring 41 is provided between the coil 28 and the compression block 30.

[0043] In one embodiment, as shown in Figures 1 to 3 The tool assembly 5 comprises a tool seat 50, a connecting shaft 51, a tool sleeve 52 and a tool body 53.

[0044] One end of the connecting shaft 51 is sleeved at one end of the tool seat 50 and the other end is matched with the connecting sleeve 32 of the floating assembly 2, the tool sleeve 52 is sleeved at the other end of the tool seat 50, and the tool body 53 is mounted in the tool sleeve 52.

[0045] Working principle: when the utility model carries out work, first, the cutter assembly 5 is installed in the floating assembly 2, and the cutter assembly 5 can be fixed on the floating assembly 2 through the connecting shaft 51 and the connecting sleeve 32, second, when working, with the coupling 27 and the external working equipment connection, the shaft sleeve 20 of the floating assembly 2 is driven to rotate through the coupling 27, so that the screw thread 21 on the shaft sleeve 20 cooperates with the spiral 28, so that the spiral 28 moves upward, thereby realizing the floating deburring work, when the cutter needs to be replaced, the pneumatic valve body is driven to move through the inflation of the first valve body 3, so that the pneumatic valve body cooperates with the compression block 30, drives the compression block 30 to move in the compression hole 22, thereby driving the compression spring 31 of the main shaft 23 to compress, thereby driving the connecting sleeve 32 to open, so that the connecting shaft 51 can be pulled out, thereby realizing the replacement of the cutter assembly 5, and the cutter assembly 5 is fixed by deflation of the second valve body 4.

[0046] Obviously, the above embodiments are only examples for clearly illustrating, and not limit the embodiments. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A pneumatic deburring spindle, characterized by, The utility model relates to a cutting tool, which comprises a housing assembly, a valve body, a floating assembly and a cutter assembly. The floating assembly is movably mounted in the housing assembly, the valve body comprises a first valve body and a second valve body, the first valve body and the second valve body are mounted in the housing assembly and are connected to the interior, and the cutter assembly is detachably mounted in the floating assembly. The housing assembly comprises an upper cover, an intermediate housing, a sleeve and a bottom cover.

2. The air-powered deburring spindle of claim 1, wherein, The upper cover is fixedly mounted at one end of the intermediate housing, one end of the sleeve is fixedly mounted at the other end of the intermediate housing, and the bottom cover is fixedly mounted at the other end of the sleeve. The floating assembly comprises a shaft sleeve, a plurality of ball bearings, a shaft body, a pneumatic valve block, a top block, a coupling, a screw ring, a support sleeve, a compression block and a compression spring.

3. The air-powered deburring spindle of claim 2, wherein, The ball bearings comprise a first ball bearing, a second ball bearing and a third ball bearing.

4. The air-powered deburring spindle of claim 3, wherein, The pneumatic valve block is provided with a plurality of sealing rings.

5. The air-powered deburring spindle of claim 3, wherein, The intermediate housing and the upper cover form a limiting groove, and the top block is located in the limiting groove.

6. The air-powered deburring spindle of claim 3, wherein, The screw ring is provided with an elastic washer between the first ball bearing and the compression block.

7. The air-powered deburring spindle of claim 4, wherein, The cutter assembly comprises a cutter seat, a connecting shaft, a cutter sleeve and a cutter body.

8. The air-powered deburring spindle of claim 3, wherein, One end of the connecting shaft is sleeved with one end of the cutter seat, the other end of the connecting shaft is matched with the connecting sleeve of the floating assembly, the cutter sleeve is sleeved with the other end of the cutter seat, and the cutter body is mounted in the cutter sleeve. ​

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