CN218984157U

CN218984157U - Burr removing device for pedal arm shaft hole

Info

Publication number: CN218984157U
Application number: CN202320014590.8U
Authority: CN
Inventors: 杨彦康
Original assignee: Shanghai Tonggong Auto Parts Co ltd
Current assignee: Shanghai Tonggong Auto Parts Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-05-09
Anticipated expiration: 2033-01-04

Abstract

The application discloses a pedal arm shaft hole deburring device relates to the technical field of pedal arm processing, and the deburring device comprises a base, wherein a fixing seat is arranged on the base, a boss which is used for the coaxial sleeve of a shaft sleeve of a pedal arm is arranged on the fixing seat, and a limiting piece which is used for limiting the pedal arm to be separated from the fixing seat is also arranged on the fixing seat; the base is provided with a polishing head, the polishing head and the bulge are coaxially arranged, the base is provided with a power set for driving the polishing head to move, and the power set drives the polishing head to be inserted in a reciprocating manner and rotate at the shaft sleeve of the pedal arm. The burr in the pedal arm shaft hole can be reduced.

Description

Burr removing device for pedal arm shaft hole

Technical Field

The application relates to the technical field of pedal arm processing, in particular to a pedal arm shaft hole deburring device.

Background

The pedal arm of the automobile pedal is usually formed by integral injection molding, the pedal arm is provided with a shaft sleeve, a shaft hole is reserved at the shaft sleeve during injection molding, and the shaft hole is in rotary fit with parts on the automobile.

However, burrs are often formed on the pedal arm after the pedal arm is formed, and the burrs in the shaft hole easily influence the matching of the shaft hole and other parts, so that the quality of the pedal arm is influenced.

Disclosure of Invention

In order to reduce burrs in pedal arm shaft holes, the application provides a pedal arm shaft hole deburring device.

The application provides a pedal arm shaft hole burring device adopts following technical scheme:

the pedal arm shaft hole deburring device comprises a base, wherein a fixing seat is arranged on the base, a boss for coaxially sleeved with a shaft sleeve of a pedal arm is arranged on the fixing seat, and a limiting piece for limiting the pedal arm to be separated from the fixing seat is also arranged on the fixing seat; the base is provided with a polishing head, the polishing head and the bulge are coaxially arranged, the base is provided with a power set for driving the polishing head to move, and the power set drives the polishing head to be inserted in a reciprocating manner and rotate at the shaft sleeve of the pedal arm.

Through adopting above-mentioned technical scheme, locate the axle sleeve cover on protruding to through spacing, polish the head reciprocating motion grafting to polish to the burr in the axle hole in the axle sleeve and get rid of, thereby reduce the burr in the pedal arm axle hole.

Optionally, the limiting part comprises a mounting cylinder, a moving rod, a limiting rod, a positioning ring and a connecting cover, wherein the mounting cylinder is connected to the fixed seat, the mounting cylinder is provided with a moving groove for the moving rod to slide, one end of the moving rod extends out of the mounting cylinder and is connected with the limiting rod, the limiting rod is used for abutting against one side, deviating from the fixed seat, of the pedal arm, the positioning ring is fixedly sleeved on the outer wall of the moving rod, and the connecting cover slides on the outer wall of the moving rod; when the shaft sleeve is sleeved on the protrusion and the limiting rod is abutted to the pedal arm, the connecting cover can be sleeved with the positioning ring and connected to the outer wall of the mounting cylinder in a threaded manner.

Through adopting above-mentioned technical scheme, through the one side that deviates from the fixing base with gag lever post butt footboard arm to be connected through connecting lid and mounting cylinder and prescribe a limit to the position of gag lever post, so as to restrict the footboard arm and break away from the fixing base to the direction of keeping away from the fixing base, thereby improve the stability of footboard arm.

Optionally, a spring is connected between the moving rod and the mounting cylinder, and the spring is located in the moving groove and gives the moving rod a sliding trend into the mounting cylinder.

Through adopting above-mentioned technical scheme, the spring can assist gag lever post butt on the footboard arm.

Alternatively, the moving rod can rotate to the position in the mounting cylinder, and the limiting rod rotates upwards to be separated from the pedal arm.

Through adopting above-mentioned technical scheme, the gag lever post is through the rotation and the pedal arm separation of movable rod, the cooperation of pedal arm and fixing base of being convenient for.

Optionally, a connecting disc sliding in the mounting cylinder is coaxially and rotatably connected to one end of the moving rod, which is far away from the limiting rod, and the connecting disc is connected with the spring.

Through adopting above-mentioned technical scheme, the connection pad is difficult for driving the spring and rotates together when making the carriage release lever rotate to reduce the possibility that the spring warp, improve the stability of spring.

Optionally, the holding ring orientation the one end of installation section of thick bamboo is provided with the stopper, installation section of thick bamboo tip is provided with the confession the spacing groove of stopper grafting, works as the gag lever post with the pedal arm separation, the stopper can peg graft to in the spacing groove.

Through adopting above-mentioned technical scheme, the cooperation of stopper and spacing groove can improve the stability when gag lever post and footboard arm separation.

Optionally, the power pack includes motor and cylinder, the output of motor with the head links to each other of polishing, the cylinder acts on the motor, in order to drive the reciprocal grafting of head of polishing is to the axle sleeve.

Optionally, the output end of the motor and the polishing head are respectively provided with opposite flange plates, and the opposite flange plates are connected through bolt and nut matching.

Through adopting above-mentioned technical scheme, the polishing head passes through the ring flange and is connected with the motor output can be dismantled, the change of the polishing head of being convenient for.

In summary, the present application includes the following beneficial effects:

the position of the shaft sleeve is limited through the bulge, the polishing head is inserted into the shaft hole at the shaft sleeve for polishing, burrs in the shaft hole can be removed, and the quality of the pedal arm is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of an embodiment of the present application in use;

FIG. 2 is a schematic structural view of an embodiment of the present application;

fig. 3 is a cross-sectional view of a connection cap and mounting barrel according to an embodiment of the present application.

Reference numerals illustrate: 1. a base; 2. a fixing seat; 3. a protrusion; 4. a limiting piece; 41. a mounting cylinder; 42. a moving rod; 43. a limit rod; 44. a positioning ring; 45. a connection cover; 5. polishing head; 6. a power pack; 61. a motor; 62. a cylinder; 7. a moving groove; 8. a spring; 9. a connecting disc; 10. a limiting block; 11. a limit groove; 12. a flange plate; 13. a connecting plate; 14. a connecting seat; 15. a connecting cavity; 16. a pedal arm; 17. a shaft sleeve; 18. and the shaft hole.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a pedal arm 16 shaft hole 18 burring device. Referring to fig. 1 and 2, the deburring device for the shaft hole 18 of the pedal arm 16 comprises a base 1, wherein the base 1 is of a square structure, a fixing seat 2 is fixed on one side of the base 1, and the fixing seat 2 is also of a square structure. One end of the fixing seat 2 is fixed with a bulge 3, the bulge 3 is cylindrical, the outer diameter of the bulge 3 is consistent with the inner diameter of the shaft hole 18 on the shaft sleeve 17, and the extension length of the bulge 3 is smaller than half of the extension length of the shaft sleeve 17.

The base 1 is movably connected with a polishing head 5 for polishing a shaft hole 18 at a shaft sleeve 17, the polishing head 5 is of a cylindrical structure coaxially arranged with the protrusion 3, the outer diameter of the polishing head 5 is consistent with the outer diameter of the protrusion 3, and one end, close to the protrusion 3, of the polishing head 5 is provided with a chamfer. The base 1 is provided with a power group 6 for driving the polishing head 5 to move, and the power group 6 enables the polishing head 5 to rotate along the self axis direction and simultaneously enables the polishing head 5 to reciprocate along the self axis direction.

The polishing head 5 can be inserted into the shaft sleeve 17 in the direction close to the fixing seat 2 and rotate in the shaft sleeve 17 in the process of reciprocating along the axis of the polishing head 5, so that burrs in the shaft hole 18 are polished and removed by the polishing head 5, the position of the polishing head 5 in the shaft hole 18 exceeds half of the shaft hole 18 when the distance between the polishing head 5 and the fixing seat 2 is shortest, but the polishing head 5 still does not reach the position of the bulge 3 and interferes with the bulge 3, and after burrs at one end of the shaft hole 18 at the position of the shaft sleeve 17 are removed, the pedal arm 16 needs to be turned over to enable the polishing head 5 to remove the burrs at the other end of the shaft hole 18. And when the polishing head 5 moves to a direction away from the fixed seat 2, and the distance between the polishing head 5 and the fixed seat 2 is longest, the polishing head 5 is separated from the shaft sleeve 17.

The power unit 6 comprises a motor 61 and an air cylinder 62, the motor 61 is fixedly connected with a connecting plate 13, and the connecting plate 13 slides on the upper surface of the base 1. The two cylinders 62 are fixed on the base 1, the piston rods of the two cylinders 62 are respectively and fixedly connected to two opposite sides of the connecting plate 13, the axes of the piston rods of the cylinders 62 and the axes of the output ends of the motors 61 are parallel to the axes of the protrusions 3, and the extension and recovery of the piston rods of the two cylinders 62 are synchronous.

The fixed cover of one end tip of the grinding head 5 is equipped with the ring flange 12, and the end that the motor 61 output was kept away from the motor 61 body also has the ring flange 12, and the ring flange 12 of grinding head 5 is relative with the ring flange 12 of motor 61 output, can dismantle through the bolt and nut between two ring flanges 12 and be connected for motor 61 can drive grinding head 5 and rotate, and drives grinding head 5 grafting to the axle sleeve 17 when the cylinder 62 piston rod stretches out and polish the burr.

Referring to fig. 2 and 3, in order to make the pedal arm 16 not easily move when the sanding head 5 performs sanding, the fixing base 2 is provided with a stopper 4 for restricting the pedal arm 16 from being separated from the fixing base 2. The stopper 4 includes a mounting cylinder 41, a moving rod 42, a stopper rod 43, a positioning ring 44, and a connection cover 45.

Wherein, the connecting seat 14 is fixed on the outer wall of the mounting cylinder 41, and the connecting seat 14 is fixed on the upper surface of the fixing seat 2 to fix the mounting cylinder 41 on the fixing seat 2. The mounting cylinder 41 has a movement groove 7 in which the movement rod 42 slides, the mounting cylinder 41 has a cylindrical structure, the movement rod 42 has a cylindrical structure and coaxially slides in the mounting cylinder 41, and the axis of the mounting cylinder 41 and the movement rod 42 is parallel to the axis of the boss 3.

One end of the moving rod 42, which is close to the polishing head 5, extends out of the mounting cylinder 41 and is fixedly connected with the limiting rod 43, and the limiting rod 43 is perpendicular to the moving rod 42. The positioning ring 44 is coaxially fixed to the outer wall of the moving rod 42, and the outer diameter of the positioning ring 44 is larger than the inner diameter of the mounting cylinder 41 and smaller than the outer diameter of the mounting cylinder 41.

One end of the connecting cover 45 is slidably sleeved on the outer wall of the movable rod 42, the other end of the connecting rod is provided with a connecting cavity 15, the inner diameter of the connecting cavity 15 is equal to the outer diameter of the positioning ring 44, the connecting cover 45 is provided with an inner thread at the inner wall of the connecting cavity 15, and the outer wall of the mounting cylinder 41 is provided with an outer thread. The connecting cover 45 can be sleeved with the positioning ring 44 through the connecting cavity 15 and is sleeved on the outer wall of the mounting cylinder 41 in a threaded manner.

The movable rod 42 rotates in the mounting cylinder 41 to drive the distance between the end of the limiting rod 43 away from the movable rod 42 and the upper surface of the base 1 to change. When the end of the stopper rod 43 away from the moving rod 42 is located directly above the moving rod 42, the pedal arm 16 can be close to the fixing base 2 and engaged with the boss 3.

Referring to fig. 1 and 3, when one end of the limiting rod 43 far away from the moving rod 42 is located right below the moving rod 42, the limiting rod 43 can be abutted against one side of the pedal arm 16 far away from the fixed seat 2, so that the pedal arm 16 is located in a space enclosed by the moving rod 42 and the limiting rod 43, at this time, the moving rod 42 is moved towards a direction close to the mounting cylinder 41, so that the limiting rod 43 abuts against the pedal arm 16, the connecting cover 45 is sleeved with the positioning ring 44 and is connected onto the outer wall of the mounting cylinder 41 in a threaded manner, so that the positioning ring 44 abuts against the inner wall of the connecting cavity 15 of the connecting cover 45, and therefore the pedal arm 16 can be limited to be separated from the protrusion 3 in a direction far away from the fixed seat 2, and when the limiting rod 43 abuts against one side of the pedal arm 16 far away from the fixed seat 2, a moving space still exists between the positioning ring 44 and the end of the mounting cylinder 41.

Further, a spring 8 for driving the moving rod 42 to slide into the mounting tube 41 is connected between the moving rod 42 and the mounting tube 41, and the auxiliary stopper rod 43 abuts against the pedal arm 16. And the end part of the moving rod 42 far away from one end of the limiting rod 43 is coaxially and rotatably connected with the connecting disc 9, and the moving rod 42 drives the connecting disc 9 to slide together when sliding along the axial direction of the moving cylinder in the moving cylinder. One end of the spring 8 is connected to the inner wall of the mounting cylinder 41, and the other end of the spring 8 is connected to one side of the connecting disc 9, which is away from the moving rod 42. When the moving rod 42 rotates in the moving cylinder, the connecting disc 9 is not easy to rotate randomly under the tensile force of the spring 8, so that the spring 8 is not easy to twist when the moving rod 42 rotates.

In order to facilitate the cooperation of the pedal arm 16 and the fixed seat 2, a limiting block 10 is fixed on the end wall of the positioning ring 44, which is close to the mounting cylinder 41, and the limiting block 10 is in a square structure. The mounting cylinder 41 is close to the limiting groove 11 that supplies stopper 10 grafting to offer on the terminal surface of holding ring 44, and when the carriage release lever 42 rotated to, the one end that carriage release lever 43 kept away from carriage release lever 42 was located carriage release lever 42 directly over, stopper 10 was relative with limiting groove 11, and carriage release lever 43 received spring 8's elasticity effect can drive stopper 10 butt in limiting groove 11 to keep the state of carriage release lever 43 and pedal arm 16 separation.

The implementation principle of the deburring device for the shaft hole 18 of the pedal arm 16 in the embodiment of the application is as follows: the pedal arm 16 is matched with the fixed seat 2, the shaft sleeve 17 is sleeved on the protrusion 3, the limiting rod 43 is moved to the position where the limiting rod 43 and the moving rod 42 are jointly enclosed to abut against the pedal arm 16, then the connecting cover 45 is sleeved on the outer wall of the mounting cylinder 41 in a threaded manner, and the limiting rod 43 abuts against the pedal arm 16. And then, starting the motor 61 and the air cylinder 62 to enable the polishing head 5 to move back and forth to polish burrs in the shaft hole 18 through the plug bush 17. After the burrs at one end of the shaft hole 18 are removed, the pedal arm 16 is turned over and then matched with the fixing seat 2, so that the polishing head 5 removes the burrs at the other end of the shaft hole 18.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A pedal arm (16) shaft bore (18) deburring device characterized in that: the pedal arm fixing device comprises a base (1), wherein a fixing seat (2) is arranged on the base (1), a boss (3) which is used for a shaft sleeve (17) of a pedal arm (16) to be coaxially sleeved (17) is arranged on the fixing seat (2), and a limiting piece (4) which is used for limiting the pedal arm (16) to be separated from the fixing seat (2) is also arranged on the fixing seat (2); the polishing device is characterized in that a polishing head (5) moves on the base (1), the polishing head (5) and the protrusion (3) are coaxially arranged, a power set (6) for driving the polishing head (5) to move is arranged on the base (1), and the power set (6) drives the polishing head (5) to be inserted and rotated in a shaft hole (18) of the shaft sleeve (17) in a reciprocating mode.

2. The pedal arm (16) shaft bore (18) deburring device as set forth in claim 1, wherein: the limiting piece (4) comprises a mounting cylinder (41), a moving rod (42), a limiting rod (43), a positioning ring (44) and a connecting cover (45), wherein the mounting cylinder (41) is connected to the fixed seat (2), the mounting cylinder (41) is provided with a moving groove (7) for the moving rod (42) to slide, one end of the moving rod (42) extends out of the mounting cylinder (41) and is connected with the limiting rod (43), the limiting rod (43) is used for abutting against one side, deviating from the fixed seat (2), of the pedal arm (16), the positioning ring (44) is fixedly sleeved on the outer wall of the moving rod (42), and the connecting cover (45) slides on the outer wall of the moving rod (42); when the shaft sleeve (17) is sleeved on the protrusion (3) and the limiting rod (43) is abutted on the pedal arm (16), the connecting cover (45) can be sleeved on the positioning ring (44) and connected to the outer wall of the mounting cylinder (41) in a threaded mode.

3. The pedal arm (16) shaft bore (18) deburring device as claimed in claim 2, wherein: a spring (8) is connected between the moving rod (42) and the mounting cylinder (41), and the spring (8) is positioned in the moving groove (7) and gives the moving rod (42) a sliding trend into the mounting cylinder (41).

4. A pedal arm (16) shaft bore (18) deburring device as claimed in claim 3, characterized in that: the moving rod (42) can rotate to the mounting cylinder (41), and the limiting rod (43) rotates upwards to be separated from the pedal arm (16).

5. The pedal arm (16) shaft bore (18) deburring device as set forth in claim 4, wherein: one end of the moving rod (42) far away from the limiting rod (43) is coaxially and rotatably connected with a connecting disc (9) sliding in the mounting cylinder (41), and the connecting disc (9) is connected with the spring (8).

6. The pedal arm (16) shaft bore (18) deburring device as set forth in claim 4, wherein: one end of the locating ring (44) facing the mounting cylinder (41) is provided with a limiting block (10), the end part of the mounting cylinder (41) is provided with a limiting groove (11) for plugging the limiting block (10), and when the limiting rod (43) is separated from the pedal arm (16), the limiting block (10) can be plugged into the limiting groove (11).

7. The pedal arm (16) shaft bore (18) deburring device as set forth in claim 1, wherein: the power unit (6) comprises a motor (61) and an air cylinder (62), wherein the output end of the motor (61) is connected with the polishing head (5), and the air cylinder (62) acts on the motor (61) to drive the polishing head (5) to be inserted into the shaft sleeve (17) in a reciprocating mode.

8. The pedal arm (16) shaft bore (18) deburring device as set forth in claim 7, wherein: the output end of the motor (61) and the polishing head (5) are respectively provided with opposite flange plates (12), and the opposite flange plates (12) are connected through bolt and nut matching.