CN212945826U

CN212945826U - Electric motor car head pipe both ends precision forming device

Info

Publication number: CN212945826U
Application number: CN202021004378.6U
Authority: CN
Inventors: 刘永成
Original assignee: Wuxi Chengwei Vehicle Parts Co ltd
Current assignee: Wuxi Chengwei Vehicle Parts Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-04-13
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses an electric vehicle head pipe two-end precise forming device, which comprises a base, wherein a left chamfering device, a right chamfering device and a middle clamping device are arranged on the working table surface of the base; a lower layer left moving plate and an upper layer left moving plate in the left chamfering device slide under the driving of an air cylinder, and a left chamfering tool is arranged on the upper plate surface of the upper layer left moving plate; a lower-layer right moving plate and an upper-layer right moving plate in the right chamfering device slide under the driving of an air cylinder, and a right chamfering tool is arranged on the upper plate surface of the upper-layer right moving plate; the middle clamping device comprises a clamp base, an outer clamp support, a rotary clamp and a driving motor, wherein the outer clamp support is fixed on the clamp base, the rotary clamp rotating frame is arranged on the outer clamp support and is driven to rotate by the driving motor, and the rotary clamp is provided with a clamping through hole along the rotating axis of the rotary clamp. The utility model discloses can carry out the chamfer to the both ends of electric vehicle head pipe simultaneously to improve production efficiency, and factor of safety is high.

Description

Electric motor car head pipe both ends precision forming device

Technical Field

The utility model relates to an electric motor car head pipe processing technology field especially relates to an electric motor car head pipe both ends precision forming device.

Background

The electric vehicle head pipe is one of important parts of an electric vehicle frame, and the upper end and the lower end of the head pipe are respectively connected with a steering handle and a front bottom fork of an electric vehicle. In the process of processing the electric vehicle head pipe, the electric vehicle head pipe needs to be chamfered, and both ends of part of the electric vehicle head pipe need to be chamfered, so that the device capable of chamfering both ends of the electric vehicle head pipe at the same time is very necessary.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides an electric motor car head pipe both ends precision forming device can carry out the chamfer to the both ends of electric motor car head pipe simultaneously to improve production efficiency, and factor of safety is high.

The technical scheme is as follows: in order to achieve the purpose, the utility model discloses an electric vehicle head pipe two-end precision forming device, which comprises a base, wherein a left chamfering device, a right chamfering device and a middle clamping device are arranged on the working table surface of the base; the left chamfering device comprises a lower layer left moving plate and an upper layer left moving plate, the lower layer left moving plate slides along the working table surface under the driving of a first air cylinder, the upper layer left moving plate slides along the plate surface of the lower layer left moving plate under the driving of a second air cylinder, and a left chamfering tool is arranged on the upper plate surface of the upper layer left moving plate; the right chamfering device comprises a lower layer right moving plate and an upper layer right moving plate, the lower layer right moving plate slides along the working table surface under the driving of a third air cylinder, the upper layer right moving plate slides along the plate surface of the lower layer right moving plate under the driving of a fourth air cylinder, and a right chamfering tool is arranged on the upper plate surface of the upper layer right moving plate; the middle clamping device comprises a clamp base, an outer clamp support, a rotary clamp and a driving motor, wherein the outer clamp support is fixed on the clamp base, the rotary clamp rotating frame is arranged on the outer clamp support and is driven to rotate by the driving motor, and a clamping through hole is formed in the rotary clamp along the rotating axis of the rotary clamp.

Furthermore, a head pipe fastening device is arranged on the middle clamping device and comprises a fastening bracket, a fastening ring and a shaking ring; the fastening bracket is arranged on the clamp base and is positioned on one side of the clamp outer bracket; the fastening ring is arranged on the fastening bracket in a sliding mode, and the fastening ring and the clamping through hole are concentric; the clamping through hole extends out of the plurality of fan-shaped clamping pieces towards the outer side of the rotary clamp, and the outer ring surfaces of the plurality of fan-shaped clamping pieces are attached to the inner ring surface of the fastening ring; the shaking ring is rotatably arranged on one side surface of the outer fixture bracket, the shaking ring is concentric with the clamping through hole, and an elastic reset piece is arranged between the shaking ring and the outer fixture bracket; a jacking convex block is arranged on one side of the swinging ring, a fan-shaped chute is arranged on one side of the fastening ring, and the jacking convex block is correspondingly matched with the fan-shaped chute; the radius of the inner ring surface of the fastening ring is gradually reduced towards one side close to the rotary clamp; the swinging ring rotates, the fastening ring is pressed outwards through the pressing convex block and the fan-shaped chute, and the fan-shaped clamping pieces are tightened.

Furthermore, the left side and the right side of the middle clamping device are provided with head pipe fastening devices.

Furthermore, the rocking ring is integrally provided with a rocker, the outer bracket of the clamp is provided with a sector groove for accommodating the rotation of the rocker, and a reset torsion spring is arranged between the rocker and the groove wall of the sector groove; the control panel is arranged on the working table surface, the control panel is electrically connected with the first cylinder, the second cylinder, the third cylinder, the fourth cylinder and the driving motor, and a working starting button is arranged on the control panel.

Furthermore, a head pipe end limiting rod is arranged on the upper layer left moving plate.

Furthermore, an iron scrap collecting cavity is hollowed in the base, and two iron scrap collecting holes of the iron scrap collecting cavity are respectively positioned between the left chamfering device and the middle clamping device and between the right chamfering device and the middle clamping device; the iron fillings are collected the intracavity and are provided with negative pressure dust absorption fan, negative pressure dust absorption fan's wind gap is provided with the filter mantle, the filter mantle is the pyriform of vertical setting, just the projection of filter mantle in vertical direction and two iron fillings collection holes all have overlap portion.

Has the advantages that: the utility model discloses an electric motor car head pipe both ends precision molding device, through the left chamfer device that sets up, right chamfer device and middle clamping device mutually support, can chamfer the both ends of head pipe simultaneously; the middle clamping device is provided with a head pipe fastening device which can assist the rotary clamp to stably clamp the head pipe; when the worker operates, the worker needs to rotate the rocker and simultaneously press the work starting button, both hands need to operate, and the safety factor is high; the head pipe end part limiting rod arranged on the upper layer left moving plate can limit the head pipe, and the clamping precision is high; the iron fillings collection chamber that sets up can collect iron fillings, and the negative pressure dust absorption fan of iron fillings collection intracavity can remove dust, improves operational environment.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of each device on the working table;

FIG. 3 is a first exploded view of the intermediate clamping device;

FIG. 4 is a second exploded view of the intermediate clamping device;

FIG. 5 is a schematic view of a fastening ring;

FIG. 6 is a schematic view of the internal structure of the iron scrap collecting cavity.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 to 6 show a precision forming device for two ends of an electric vehicle head pipe, which comprises a base 1, wherein a left chamfering device, a right chamfering device and a middle clamping device are arranged on a working table surface 2 of the base 1, the left chamfering device and the right chamfering device are respectively arranged on two sides of the middle clamping device and are respectively used for chamfering two ends of the electric vehicle head pipe. As shown in fig. 1, when the upper surface of the base 1 is rectangular, the left chamfering device, the right chamfering device and the middle clamping device are arranged along the length direction of the base 1. The working table surface 2 is provided with a boss for heightening so that the left chamfering device, the right chamfering device and the middle clamping device can work better in a matching way, as shown in the attached drawing 1.

Left side chamfer device includes that lower floor moves board 3 and upper strata and moves board 4 on a left side, lower floor moves board 3 on a left side and follows under the drive of first cylinder 5 table surface 2 slides, upper strata moves board 4 on a left side and follows under the drive of second cylinder 6 the face that board 3 was moved on a left side to lower floor slides, just the upper strata moves the board 4 on a left side and is provided with left chamfer cutter 7. The sliding directions of the lower layer left moving plate 3 and the upper layer left moving plate 4 are different, so that the left chamfering tool 7 can move freely in the horizontal plane under the cooperation of the first air cylinder 5 and the second air cylinder 6 and is close to or far away from a head pipe needing chamfering. As shown in the attached figure 2, the sliding direction of the upper layer left moving plate 4 is along the length direction of the base 1, the sliding direction of the lower layer left moving plate 4 is along the width direction of the base 1, and the sliding directions of the two are perpendicular to each other, so that the left chamfering tool 7 is convenient to move.

The right chamfering device comprises a lower-layer right moving plate 8 and an upper-layer right moving plate 9, the lower-layer right moving plate 8 is driven by a third cylinder 10 to slide along the working table surface 2, the upper-layer right moving plate 9 is driven by a fourth cylinder 11 to slide along the surface of the lower-layer right moving plate 8, and the upper-layer right moving plate 9 is provided with a right chamfering tool 12. The right chamfering device is arranged the same as the left chamfering device, and the functions of the corresponding parts are also consistent.

The middle clamping device comprises a clamp base 13, an outer clamp support 14, a rotary clamp 15 and a driving motor 16, wherein the outer clamp support 14 is fixed on the clamp base 13, the rotary clamp 15 is rotatably erected on the outer clamp support 14 and is driven to rotate by the driving motor 16, and a clamping through hole 17 is formed in the rotary clamp 15 along the rotation axis of the rotary clamp 15. The clamping through-hole 17 is used for clamping the head pipe, so that the diameter of the clamping through-hole 17 is adapted to the outer diameter of the head pipe.

The middle clamping device is provided with a head pipe fastening device which is used for clamping and fixing the head pipe, so that the middle clamping device can clamp the head pipe more stably, and the head pipe is prevented from shaking to influence chamfering precision. The head pipe fastening means includes a fastening bracket 18, a fastening ring 19, and a shaking ring 20.

The fastening bracket 18 is disposed on the clamp base 13 at one side of the clamp outer bracket 14. The fastening ring 19 is slidably disposed on the fastening bracket 18, so that the fastening ring 19 moves along the axial direction of the rotary clamp 15, and a circumferential limiting groove block is required to be disposed between the fastening ring 19 and the fastening bracket 18 to prevent the fastening ring 19 from rotating. The fastening ring 19 and the clamping through hole 17 are concentrically arranged.

The clamping through hole 17 extends a plurality of fan-shaped clamping pieces 21 towards the outer side of the rotary clamp 15, the plurality of fan-shaped clamping pieces 21 are combined into an annular body with a hole, as shown in fig. 4, at least three fan-shaped clamping pieces 21 are provided to ensure the clamping effect. The outer ring surfaces of the sector clamping pieces 21 are attached to the inner ring surface of the fastening ring 19.

The shaking ring 20 is rotatably arranged on one side surface of the outer fixture support 14, the shaking ring 20 is concentric with the clamping through hole 17, an elastic reset piece is arranged between the shaking ring 20 and the outer fixture support 14, and the elastic reset piece enables the shaking ring 20 to reset to the original position after shaking.

One side of the rocking ring 20 is provided with a jacking convex block 22, one side of the fastening ring 19 is provided with a fan-shaped chute 23, the shape of the notch of the fan-shaped chute 23 is fan-shaped, the bottom of the fan-shaped chute 23 is obliquely arranged, and the depth of the chute is gradually deepened along the circumferential direction. The jacking convex block 22 is correspondingly matched with the fan-shaped chute 23, and the top end of the jacking convex block 22 is jacked at the bottom of the fan-shaped chute 23. The radius of the inner ring surface of the fastening ring 19 is gradually reduced toward the side close to the rotating clamp 15, so that the sector clamping pieces 21 have a tendency of extruding the fastening ring 19 toward the side close to the rotating clamp 15; on the contrary, when the fastening ring 19 moves to a side away from the rotating jig 15, the fastening ring 19 presses the sector clamping pieces 21, so that the annular body formed by the sector clamping pieces 21 is tightened. The fastening ring 19 and the sector clamping pieces 21 should be lubricated to reduce the relative friction, or the fastening ring 19 is divided into an inner ring and an outer ring, and the inner ring and the outer ring are connected by a ball bearing.

Therefore, when the swing ring 20 rotates, the swing ring 20 drives the abutting convex block 22 to move, the abutting convex block 22 is matched with the fan-shaped chute 23, and the fastening ring 19 is further abutted outwards to tighten the fan-shaped clamping pieces 21, so that the fan-shaped clamping pieces 21 tightly clamp the head pipe.

The left side and the right side of the middle clamping device are provided with head pipe fastening devices, and the two ends of the middle clamping device are clamped, so that the clamping effect on the head pipe is better.

The rocking ring 20 is integrally provided with a rocking bar 24, the clamp outer bracket 14 is provided with a sector groove 25 for accommodating the rocking bar 24 to rotate, and a reset torsion spring 26 is arranged between the rocking bar 24 and the wall of the sector groove 25. When not in operation, the rocker 24 is pressed against one side of the sector recess 25 by the force of the return spring 26. When the head pipe needs to be clamped, an operator shakes the rocker 24 to enable the fan-shaped clamping pieces 21 to be matched with the head pipe to be clamped, and operation is convenient.

The working table is provided with a control panel 27, the control panel 27 is electrically connected with the first cylinder 5, the second cylinder 6, the third cylinder 10, the fourth cylinder 11 and the driving motor 16, and the control panel 27 is provided with a working starting button 28. After the work start button 28 is pressed, the utility model discloses an each cylinder and motor motion and cooperation accomplish a chamfer operation, stop afterwards, need restart just can carry out next chamfer operation. By matching with the rocker 24, a worker has to respectively operate the rocker 24 and press the work starting button 28 with two hands, so that the phenomenon that the hand of the chamfering tool is accidentally injured is avoided, and the safety factor is high.

The upper layer left moving plate 4 is provided with a head pipe end limiting rod 29, the head pipe end limiting rod 29 limits the end of the head pipe, the axis direction of the head pipe is positioned, and clamping precision is high.

The inside fretwork of base has iron fillings to collect chamber 30, and there is the opening iron fillings that can clear up in the bottom in iron fillings collection chamber 30. Two scrap iron collecting holes 31 of the scrap iron collecting cavity 30 are respectively located between the left chamfering device and the middle clamping device and between the right chamfering device and the middle clamping device, and are used for collecting scrap iron generated by chamfering. A negative pressure dust suction fan 33 is arranged in the scrap iron collecting cavity 30, and the negative pressure dust suction fan 33 guides dust generated in work into a cavity for collecting the dust so as to improve the production environment. The air port of the negative pressure dust suction fan 33 is provided with a filter cover 32, the filter cover 32 is in a pear shape which is vertically arranged, and the projection of the filter cover 32 in the vertical direction and the two scrap iron collecting holes 31 are both provided with overlapping parts. Iron filings can fall to the surface of filter mantle 32, and the dust absorption effect is good, and the filter mantle 32 of pear shape can not make iron filings gathering at the filter mantle 32 surface.

The utility model discloses a working method as follows: the operator inserts the head pipe into the clamping through-hole 17 from the left side of the intermediate clamping device, and pushes one end of the head pipe against the head pipe end limiting rod 29, and then shakes the rocker to cause the fan-shaped clamping pieces 21 to clamp the head pipe. And then a work starting button 28 is pressed, the first air cylinder 5, the second air cylinder 6, the third air cylinder 10, the fourth air cylinder 11 and the driving motor 16 are all started, the driving motor 16 drives the rotary clamp 15 and the head pipe to rotate, the first air cylinder 5 and the second air cylinder 6 drive the left chamfering tool 7 to move to one end of the head pipe, and the third air cylinder 10 and the fourth air cylinder 11 drive the right chamfering tool 12 to move to the other end of the head pipe so as to chamfer two ends of the head pipe. After the chamfering operation is completed, the left and right chamfering tools are separated from the head pipe, the clamp 15 is rotated, the rotation is stopped, the head pipe is manually taken down, and the next head pipe is put in.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides an electric motor car head pipe both ends precision molding device which characterized in that: the chamfering machine comprises a base (1), wherein a left chamfering device, a right chamfering device and a middle clamping device are arranged on a working table top (2) of the base (1);

the left chamfering device comprises a lower-layer left moving plate (3) and an upper-layer left moving plate (4), the lower-layer left moving plate (3) slides along the working table top (2) under the driving of a first air cylinder (5), the upper-layer left moving plate (4) slides along the plate surface of the lower-layer left moving plate (3) under the driving of a second air cylinder (6), and a left chamfering tool (7) is arranged on the upper plate surface of the upper-layer left moving plate (4);

the right chamfering device comprises a lower-layer right moving plate (8) and an upper-layer right moving plate (9), the lower-layer right moving plate (8) slides along the working table top (2) under the driving of a third air cylinder (10), the upper-layer right moving plate (9) slides along the surface of the lower-layer right moving plate (8) under the driving of a fourth air cylinder (11), and a right chamfering tool (12) is arranged on the upper surface of the upper-layer right moving plate (9);

the middle clamping device comprises a clamp base (13), an outer clamp support (14), a rotary clamp (15) and a driving motor (16), wherein the outer clamp support (14) is fixed on the clamp base (13), the rotary clamp (15) is rotatably erected on the outer clamp support (14) and is driven to rotate by the driving motor (16), and a clamping through hole (17) is formed in the rotary clamp (15) along the rotating axis of the rotary clamp.

2. The precision forming device for two ends of the electric head pipe according to claim 1, wherein: a head pipe fastening device is arranged on the middle clamping device and comprises a fastening bracket (18), a fastening ring (19) and a shaking ring (20);

the fastening bracket (18) is arranged on the clamp base (13) and is positioned on one side of the clamp outer bracket (14); the fastening ring (19) is arranged on the fastening bracket (18) in a sliding mode, and the fastening ring (19) and the clamping through hole (17) are concentric; the clamping through hole (17) extends out of a plurality of fan-shaped clamping pieces (21) towards the outer side of the rotary clamp (15), and the outer ring surfaces of the fan-shaped clamping pieces (21) are attached to the inner ring surface of the fastening ring (19); the shaking ring (20) is rotatably arranged on one side surface of the clamp outer bracket (14), the shaking ring (20) is concentric with the clamping through hole (17), and an elastic reset piece is arranged between the shaking ring (20) and the clamp outer bracket (14); a jacking convex block (22) is arranged on one side of the rocking ring (20), a sector chute (23) is arranged on one side of the fastening ring (19), and the jacking convex block (22) is correspondingly matched with the sector chute (23); the radius of the inner ring surface of the fastening ring (19) is gradually reduced towards one side close to the rotary clamp (15);

the shaking ring (20) rotates, the fastening ring (19) is pressed outwards through the pressing convex block (22) and the fan-shaped inclined groove (23), and the fan-shaped clamping pieces (21) are tightened.

3. The precision forming device for two ends of the electric head pipe according to claim 2, wherein: the left side and the right side of the middle clamping device are both provided with head pipe fastening devices.

4. The precision forming device for two ends of the electric head pipe according to claim 2, wherein: the rocking ring (20) is integrally provided with a rocker (24), the clamp outer bracket (14) is provided with a sector groove (25) for accommodating the rotation of the rocker (24), and a reset torsion spring (26) is arranged between the rocker (24) and the groove wall of the sector groove (25); the working table is characterized in that a control panel (27) is arranged on the working table surface, the control panel (27) is electrically connected with the first cylinder (5), the second cylinder (6), the third cylinder (10), the fourth cylinder (11) and the driving motor (16), and a working starting button (28) is arranged on the control panel (27).

5. The precision forming device for two ends of the electric head pipe according to claim 1, wherein: and a head pipe end limiting rod (29) is arranged on the upper layer left moving plate (4).

6. The precision forming device for two ends of the electric head pipe according to claim 1, wherein: an iron scrap collecting cavity (30) is hollowed in the base, and two iron scrap collecting holes (31) of the iron scrap collecting cavity (30) are respectively positioned between the left chamfering device and the middle clamping device and between the right chamfering device and the middle clamping device; be provided with negative pressure dust absorption fan (33) in iron fillings collection chamber (30), the wind gap of negative pressure dust absorption fan (33) is provided with filter mantle (32), filter mantle (32) are the pyriform of vertical setting, just filter mantle (32) all have overlap portion in the projection of vertical direction and two iron fillings collection holes (31).