Polishing device for deburring

Abstract

The utility model relates to the technical field of polishing devices, in particular to a polishing device for removing burrs, which is used for removing burrs of strip-shaped grooves on shaft workpieces and comprises a polishing platform, a polishing assembly and a tool assembly for mounting the shaft workpieces, and the polishing assembly comprises a rotating motor, a clamping piece and a polishing head. The rotating motor drives the grinding head to rotate through the clamping piece, a transverse sliding rail is arranged on the grinding platform, the tool assembly comprises a sliding block and a positioning block, the sliding block is arranged on the grinding platform in a sliding mode through the transverse sliding rail, the positioning block is detachably arranged on the sliding block, and a containing groove matched with a shaft workpiece is formed in the positioning block. According to the grinding device, the slidable tool assembly drives the shaft workpiece to slide, the strip-shaped groove, the containing groove and the transverse sliding rail are coaxial, when the shaft workpiece slides, the grinding head can conduct deburring on the strip-shaped groove, and the grinding precision and the grinding efficiency are both higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to a polishing device technical field, especially a kind of polishing device for deburring. BACKGROUND

[0002] In machining, in order to guarantee the smoothness of workpiece edge and tolerance accuracy, deburring is also an important link, especially the machining shaft parts, strip-shaped groove is opened on shaft body along the axial direction, and burr exists on the edge when strip-shaped groove is just machined, so it is needed to use polishing device to remove burr.

[0003] Polishing this strip-shaped groove is usually using handheld polisher, which needs to be held by hand, and cannot guarantee the polishing accuracy, and the polishing efficiency is very low, or a complete set of polishing equipment or machine tool is used to fix and polish workpiece, and the cost of equipment is higher, if workpiece is rotated, burr cannot be removed from strip-shaped groove, so a simple polishing device capable of removing strip-shaped groove burr is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the shortcomings and deficiencies of prior art, and provides a kind of polishing device for deburring, and the utility model is slid by tooling assembly with slidable, and strip-shaped groove, placement slot and transverse slide are coaxial, and polishing head can remove burr from strip-shaped groove when shaft workpiece is sliding, and the polishing accuracy and polishing efficiency are higher.

[0005] The technical scheme adopted by the utility model is as follows: a kind of polishing device for deburring is used to remove the burr of strip-shaped groove on shaft workpiece, including polishing platform, polishing assembly and tooling assembly for the installation of shaft workpiece, the polishing assembly includes rotating motor, clamping piece and polishing head, the rotating motor is rotated by clamping piece and drives polishing head, the polishing platform is equipped with transverse slide, the tooling assembly includes sliding block and positioning block, the sliding block is slidably arranged on the polishing platform by transverse slide, the positioning block is detachably arranged on the sliding block, and the positioning block is equipped with placement slot compatible with shaft workpiece, and strip-shaped groove, placement slot and transverse slide are coaxial.

[0006] At least two strip-shaped grooves extending along the axial direction are symmetrically arranged on the shaft workpiece, and the inner wall of the placement slot is protruded with a convex strip embedded in the strip-shaped groove.

[0007] The side position corresponding to the transverse slide of the polishing platform is also provided with a limiting stopper for blocking shaft workpiece.

[0008] The polishing platform is also provided with vertical slide perpendicular to the axis of transverse slide, and the rotating motor is slidably arranged on the polishing platform by vertical slide.

[0009] The clamping piece comprises a fixed sleeve, a sliding sleeve and a clamping sleeve, a driving shaft is arranged on the rotary motor, the fixed sleeve is sleeved on the driving shaft at one end and is sleeved on the sliding sleeve at the other end, and the fixed sleeve is fixedly connected with the driving shaft through a fastener, the sliding sleeve is sleeved on the clamping sleeve, a limiting clamping groove is arranged on the inner wall of the fixed sleeve, a plurality of mounting spring pieces are arranged at one end of the clamping sleeve and a plurality of clamping spring pieces are arranged at the other end, the outer edge of the mounting spring piece extends a clamping part matched with the limiting clamping groove, the plurality of clamping spring pieces form a clamping part clamping the polishing head, and the outer edge of each clamping spring piece extends a limiting part, and one end of the sliding sleeve abuts against the clamping part and the other end abuts against the limiting part.

[0010] A circular arc surface is arranged between the clamping part and the mounting spring piece, and the end of the sliding sleeve is provided with a circular arc edge matched with the circular arc surface.

[0011] A first clamping groove is arranged on the outer wall of the driving shaft, a second clamping block is arranged on the outer wall of the sliding sleeve, a first clamping block is arranged on the inner wall of one end of the fixed sleeve and embedded in the first clamping groove, and a second clamping groove is arranged on the inner wall of the other end of the fixed sleeve and embedded in the second clamping block.

[0012] The inner wall of the sliding sleeve is a conical surface, and the inner diameter of one end of the sliding sleeve close to the clamping spring piece is smaller than the inner diameter of the other end close to the mounting spring piece.

[0013] The inner diameter of one end of the clamping sleeve close to the mounting spring piece is smaller than the diameter of the fastener.

[0014] The beneficial effects of the utility model are as follows: through the setting of the polishing platform, the tool assembly and the transverse slide rail, the shaft workpiece can be stably fixed through the sliding block and the positioning block, the strip-shaped groove, the placing groove and the transverse slide rail are coaxial, the polishing head always moves along the axial direction of the strip-shaped groove in the polishing process is ensured, the precision deviation caused by unstable manual operation of the handheld polisher is effectively avoided, the smoothness and tolerance precision of the workpiece are ensured, the workpiece can be quickly and stably fed relative to the polishing head, the time for frequently adjusting the position of the workpiece in the traditional handheld polishing is reduced, the semi-automatic simple polishing device adopts the mechanical positioning and moving mechanism, the dependence on the skills of the operator is reduced, the operator only needs to load and unload and push the sliding block to move the shaft workpiece, the polishing efficiency is greatly improved, and the semi-automatic simple polishing device is particularly suitable for batch processing of the strip-shaped groove of the shaft workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings obtained according to these drawings without creative labor still belong to the scope of the utility model.

[0016] Fig. 1 The structure schematic view of the polishing device for deburring;

[0017] Fig. 2 The structure schematic view of the positioning block in the utility model;

[0018] Fig. 3 The sectional view schematic view of the armor piece in the utility model;

[0019] Fig. 4 The structure schematic view of the clamping sleeve in the utility model;

[0020] In the figure, 1-axis workpiece, 2-bar groove, 3-polishing platform, 4-rotary motor, 5-clamping piece, 6-polishing head, 7-transverse slide rail, 8-sliding block, 9-positioning block, 10-placing groove, 11-convex strip, 12-limiting block, 13-vertical slide rail, 14-fixing sleeve, 15-sliding sleeve, 16-clamping sleeve, 17-driving shaft, 18-fastener, 19-limiting clamping groove, 20-mounting spring piece, 21-clamping spring piece, 22-clamping part, 23-clamping part, 24-limiting part, 25-circular arc surface, 26-circular arc edge, 27-first clamping groove, 28-second clamping block, 29-first clamping block, 30-second clamping groove. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below in combination with the drawings.

[0022] It should be noted that all the expressions of "first" and "second" in the embodiments of the utility model are used to distinguish two same name different entities or different parameters, and the "first" and "second" are only used for the convenience of expression, and should not be understood as the limitation of the embodiments of the utility model, and the subsequent embodiments will not be described one by one.

[0023] The direction and position language mentioned in the utility model, for example, "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., are only the direction or position of the drawing. Therefore, the direction and position language used is used to explain and understand the utility model, and is not limited to the protection scope of the utility model.

[0024] For example, Figs. 1 to 4As shown, for an embodiment of the utility model, a kind of polishing device for deburring, for removing the burr of bar groove 2 on shaft workpiece 1, including polishing platform 3, polishing assembly and tooling assembly for the installation of shaft workpiece 1, the polishing assembly includes rotating motor 4, clamping piece 5 and polishing head 6, rotating motor 4 is driven polishing head 6 rotation by clamping piece 5, polishing platform 3 is equipped with transverse slide rail 7, the tooling assembly includes sliding block 8 and positioning block 9, sliding block 8 is slidably arranged on polishing platform 3 by transverse slide rail 7, positioning block 9 is detachably arranged on sliding block 8, and positioning block 9 is equipped with the placement groove 10 compatible with shaft workpiece 1, bar groove 2, placement groove 10 and transverse slide rail 7 are coaxial.

[0025] The beneficial effects of such arrangement are as follows: by setting polishing platform, tooling assembly and transverse slide rail, shaft workpiece can be stably fixed by sliding block and positioning block, and bar groove, placement groove and transverse slide rail are coaxial, ensuring that polishing head always moves along bar groove axis direction during polishing process, effectively avoiding precision deviation caused by unstable manual operation of handheld polisher, ensuring smoothness and tolerance accuracy of workpiece, and workpiece can be quickly and smoothly fed relative to polishing head, reducing the time for frequent adjustment of workpiece position in traditional handheld polishing, and this semi-automatic simple polishing device adopts mechanized positioning and moving mechanism, reducing the dependence on operator skills, and operator only needs to load and unload and push sliding block to move shaft workpiece, greatly improving polishing efficiency, and it is particularly suitable for batch processing of bar groove of shaft workpiece.

[0026] Further setting, at least two bar grooves 2 extending along the axial direction are symmetrically arranged on shaft workpiece 1, and the inner wall of placement groove 10 is protruded with protruding strip 11 embedded in bar groove 2.

[0027] The beneficial effects of such arrangement are as follows: by embedding and cooperating the protruding strip of inner wall of placement groove with bar groove of shaft workpiece, automatic and accurate circumferential positioning of workpiece is realized, effectively preventing workpiece from rotating during polishing process, and ensuring that polishing head can always accurately align with the edge of bar groove.

[0028] Further setting, the side position of polishing platform 3 corresponding to transverse slide rail 7 is also provided with limiting stopper 12 for blocking shaft workpiece 1.

[0029] The beneficial effects of such arrangement are as follows: limiting stopper provides an accurate mechanical stop point, ensuring that shaft workpiece can be quickly and accurately stopped at the preset axial position in each polishing operation, thereby ensuring the position accuracy of bar groove polishing.

[0030] Further setting, the polishing platform 3 is further provided with a vertical slide rail 13 perpendicular to the axis of the transverse slide rail 7, and the rotary motor 4 is slidably arranged on the polishing platform 3 through the vertical slide rail 13.

[0031] The beneficial effects of such setting are as follows: the polishing assembly is vertically moved through the vertical slide rail, the distance between the polishing head and the tool assembly is adjusted, and the polishing device can be applied to shaft workpieces of various sizes. In the embodiment, the damping structure is arranged between the vertical slide rail and the rotary motor, or the limiting structure is arranged beside the vertical slide rail, so that the rotary motor can be fixed at any height position. The damping structure and the limiting structure are both prior art, as long as they can realize fixed limiting.

[0032] Further setting, the clamping piece 5 comprises a fixed sleeve 14, a sliding sleeve 15 and a clamping sleeve 16, the rotary motor 4 is provided with a driving shaft 17, the fixed sleeve 14 is sleeved on the driving shaft 17 at one end and sleeved on the sliding sleeve 15 at the other end, and the fixed sleeve 14 is fixedly connected with the driving shaft 17 through a fastener 18, the sliding sleeve 15 is sleeved on the clamping sleeve 16, the inner wall of the fixed sleeve 14 is provided with a limiting clamping groove 19, one end of the clamping sleeve 16 is provided with a plurality of mounting spring pieces 20 and the other end is provided with a plurality of clamping spring pieces 21, the outer edge of the mounting spring piece 20 extends a clamping part 22 matched with the limiting clamping groove 19, the plurality of clamping spring pieces 21 form a clamping part 23 clamping the polishing head 6, and the outer edge of each clamping spring piece 21 extends a limiting part 24, one end of the sliding sleeve 15 abuts against the clamping part 22 and the other end abuts against the limiting part 24.

[0033] The beneficial effects of such setting are as follows: in the embodiment, the fastener adopts a screw which can be easily obtained in the prior art, the clamping and loosening of the clamping spring pieces can be synchronously controlled through the axial movement of the sliding sleeve, one-key quick clamping and dismounting of the polishing head is realized, the efficiency of replacing the polishing head is greatly improved, the matching structure of the clamping part and the limiting clamping groove ensures reliable connection between the clamping sleeve and the driving shaft, and the stability of power transmission is ensured, meanwhile, the abutment design of the sliding sleeve and the limiting part provides uniform radial locking force for the clamping spring pieces, effectively preventing loosening and slipping of the polishing head under high-speed rotation and polishing stress. The clamping piece highly integrates the driving, connecting and locking functions in the sleeve type structure, the overall structure is compact, the transmission is direct, the operation does not need any special tool, and all clamping actions can be completed by pushing and pulling the sliding sleeve, the operation is extremely simple and intuitive, and the labor intensity and technical threshold of the operator are significantly reduced.

[0034] Further setting, a circular arc surface 25 is transitioned between the clamping part 22 and the mounting spring piece 20, and the end of the sliding sleeve 15 is provided with a circular arc edge 26 matched with the circular arc surface 25.

[0035] The beneficial effects of such an arrangement are as follows: through the cooperation of the arc surface and the arc edge, when the sliding sleeve moves towards the fixed sleeve, the end of the sliding sleeve can drive the mounting spring to deform and contract, the clamping part exits the limiting clamping groove, and the quick disassembly and assembly of the sliding sleeve and the clamping sleeve are realized.

[0036] Further arrangement, the outer wall of the drive shaft 17 is provided with a first clamping groove 27, the outer wall of the sliding sleeve 15 is provided with a second clamping block 28, one end of the inner wall of the fixed sleeve 14 is provided with a first clamping block 29 embedded in the first clamping groove 27, and the other end of the inner wall is provided with a second clamping groove 30 for embedding the second clamping block 28.

[0037] The beneficial effects of such an arrangement are as follows: through the cooperation of the arc surface and the arc edge, when the sliding sleeve moves towards the fixed sleeve, the end of the sliding sleeve can drive the mounting spring to deform and contract, the clamping part exits the limiting clamping groove, and the quick disassembly and assembly of the sliding sleeve and the clamping sleeve are realized.

[0038] Further arrangement, the inner wall of the sliding sleeve 15 is a conical surface, and the inner diameter of one end of the sliding sleeve 15 close to the clamping spring 21 is smaller than that of the other end close to the mounting spring 20.

[0039] The beneficial effects of such an arrangement are as follows: the design of the conical inner wall of the sliding sleeve allows the clamping spring to be contracted inward when the sliding sleeve and the clamping sleeve are installed in place, ensuring the stable clamping of the clamping spring on the polishing head.

[0040] Further arrangement, the inner diameter of one end of the clamping sleeve 16 close to the mounting spring 20 is smaller than the diameter of the fastener 18.

[0041] The beneficial effects of such an arrangement are as follows: the end of the clamping sleeve corresponding to the mounting spring can also axially limit the screw, lock each other, and prevent the screw from falling off.

[0042] The above disclosure is only the preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, therefore, the equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.

Claims

1. A polishing device for deburring, used for removing burrs of a strip-shaped groove (2) on a shaft workpiece (1), characterized in that: The utility model relates to a polishing platform (3), polishing assembly and the tooling assembly for the installation of shaft workpieces (1), the polishing assembly includes rotating motor (4), clamping piece (5) and polishing head (6), rotating motor (4) drives polishing head (6) to rotate through clamping piece (5), the polishing platform (3) is equipped with transverse slide rail (7), the tooling assembly includes sliding block (8) and positioning block (9), sliding block (8) is slidably arranged on the polishing platform (3) through transverse slide rail (7), positioning block (9) is detachably arranged on sliding block (8), and the positioning block (9) is equipped with the placement slot (10) of being adapted to shaft workpieces (1) on, strip slot (2), placement slot (10) and transverse slide rail (7) are coaxial.

2. A sharpening device for deburring according to claim 1, characterized in that: At least two strip slots (2) extending along the axial direction are symmetrically arranged on the shaft workpiece (1), and the inner wall of the placement slot (10) is protruded with a convex strip (11) embedded in the strip slot (2).

3. The deburring device of claim 1, wherein: The polishing platform (3) is further provided with a limiting stopper (12) for blocking the shaft workpiece (1) on one side of the transverse slide rail (7).

4. The deburring device of claim 1, wherein: The polishing platform (3) is further provided with a vertical slide rail (13) perpendicular to the axis of the transverse slide rail (7), and the rotating motor (4) is slidably arranged on the polishing platform (3) through the vertical slide rail (13).

5. The deburring device of claim 1, wherein: The clamping piece (5) comprises a fixed sleeve (14), a sliding sleeve (15) and a clamping sleeve (16), the rotating motor (4) is provided with a driving shaft (17), one end of the fixed sleeve (14) is sleeved on the driving shaft (17), the other end is sleeved on the sliding sleeve (15), and the fixed sleeve (14) is fixedly connected with the driving shaft (17) through a fastener (18), the sliding sleeve (15) is sleeved on the clamping sleeve (16), the inner wall of the fixed sleeve (14) is provided with a limiting clamping groove (19), one end of the clamping sleeve (16) is provided with a plurality of mounting springs (20), and the other end is provided with a plurality of clamping springs (21), the outer edge of the mounting spring (20) extends a clamping part (22) matched with the limiting clamping groove (19), a plurality of clamping springs (21) form a clamping part (23) clamping the polishing head (6), and the outer edge of each clamping spring (21) extends a limiting part (24), one end of the sliding sleeve (15) abuts against the clamping part (22), and the other end abuts against the limiting part (24).

6. A sharpening device for deburring according to claim 5, characterized in that: The clamping part (22) and the mounting spring (20) are transitioned by an arc surface (25), and the end of the sliding sleeve (15) is provided with an arc edge (26) matched with the arc surface (25).

7. A sharpening device for deburring according to claim 5, characterized in that: The outer wall of the driving shaft (17) is provided with a first clamping groove (27), the outer wall of the sliding sleeve (15) is provided with a second clamping block (28), one end of the fixed sleeve (14) is provided with a first clamping block (29) embedded in the first clamping groove (27), and the other end is provided with a second clamping groove (30) for embedding the second clamping block (28).

8. The deburring device of claim 5, wherein: The inner wall of the sliding sleeve (15) is a conical surface, and the inner diameter of one end of the sliding sleeve (15) close to the clamping spring (21) is smaller than the inner diameter of the other end close to the mounting spring (20).

9. The deburring device of claim 5, wherein: The inner diameter of the clamping sleeve (16) near the end where the mounting spring (20) is installed is smaller than the diameter of the fastener (18).

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