CN114800142B

CN114800142B - Bottom surface finishing machine tool for accelerator pedal arm supporting seat

Info

Publication number: CN114800142B
Application number: CN202210315871.7A
Authority: CN
Inventors: 袁道华; 袁昊; 陶代保; 陶代华
Original assignee: Wuhu Henghao Machinery Manufacturing Co Ltd
Current assignee: Wuhu Henghao Machinery Manufacturing Co Ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2023-03-31
Anticipated expiration: 2042-03-29
Also published as: CN114800142A

Abstract

The invention relates to a bottom surface finishing machine tool for an accelerator pedal arm supporting seat, which is provided with a main machine table, wherein a two-degree-of-automation moving mechanism is arranged at the front part of the main machine table and is connected with a main mounting seat; the upper rear part of the main machine table is respectively provided with a positioning component, a clamping component and a clamp changing moving component; the clamp changing moving assembly comprises a rail placing plate arranged on the main machine table, and the rail placing plate is respectively matched with an I-type connecting rod and a II-type connecting rod in a sliding manner; the clamping assembly comprises a three-side load frame which is connected with the I-shaped connecting rod and the II-shaped connecting rod in a welding mode. The invention has convenient positioning and clamping, can prevent the workpiece from loosening, ensures more accurate processing precision, can also facilitate manual adjustment and control automatic processing, and ensures that the finish machining operation is more convenient and faster; the invention solves the technical problem that the bottom clamping is difficult to realize the automatic processing of the whole bottom surface, not only saves a large amount of equipment cost, but also shortens the clamping time and relatively improves the processing efficiency.

Description

Bottom surface finishing machine tool for accelerator pedal arm supporting seat

Technical Field

The invention relates to the technical field of automobile part production and processing, in particular to a bottom surface finishing machine tool for an accelerator pedal arm supporting seat.

Background

The accelerator pedal arm support, also called as an accelerator bracket, is an important carrier for loading related components such as an accelerator wall in an accelerator pedal assembly component, and the bottom surface of the workpiece is usually connected and clamped on a bottom plate of an automobile cab, so that the bottom surface of the workpiece needs to be subjected to related finish machining such as polishing, grinding and the like.

In the traditional machining mode, the clamp clamps the workpiece through two side surfaces of the space, namely the clamping force direction of the clamp clamps the workpiece, and the machining stress direction of the clamp clamps the workpiece, so that the clamping force direction and the machining stress direction of the clamp clamps are not in the same direction, looseness is easily generated during machining, and the workpiece is machined and scrapped. Clamping of the bottom has also been attempted, but this results in a portion of the bottom being machined by the clamping cover.

Disclosure of Invention

In order to overcome the defect that the bottom surface of the accelerator pedal arm support seat cannot be machined due to the fact that clamping is carried out on the bottom of the accelerator pedal arm support seat, the invention provides a bottom surface finishing machine tool for the accelerator pedal arm support seat.

The technical problem to be solved by the invention is realized by adopting the following technical scheme:

the bottom surface finishing machine tool for the accelerator pedal arm supporting seat is provided with a main machine table, wherein a two-degree-of-automation moving mechanism is arranged at the front part of the main machine table and is connected with a main mounting seat; the upper rear part of the main machine table is respectively provided with a positioning component, a clamping component and a clamp changing moving component; the clamp changing moving assembly comprises a rail placing plate arranged on the main machine table, and the rail placing plate is respectively matched with an I-type connecting rod and a II-type connecting rod in a sliding manner; the clamping assembly comprises a three-side load frame which is connected with the I-shaped connecting rod and the II-shaped connecting rod in a welding mode.

In addition, the left part and the right part of the main machine table are respectively and correspondingly provided with an outer cover and an electric cabinet. The outer cover plays a protective role, and the electric cabinet is used for facilitating the driving of each power element on the manual integral control machine tool. The main mounting seat can be provided with finish machining equipment for polishing, grinding and the like aiming at the bottom surface of the workpiece; the two-degree-of-automation moving mechanism assists the fine machining facility in a two-dimensional motion mode. The positioning component and the clamping component are respectively used for positioning and clamping the workpiece. The clamp changing and moving assembly is used for adjusting the position of the clamping assembly, so that the clamping assembly clamps different parts of the workpiece twice respectively, and the machining is convenient to implement. The length of the I-shaped connecting rod is larger than that of the II-shaped connecting rod.

Furthermore, the two-degree-of-automation moving mechanism also comprises an I-shaped guide rail and an I-shaped motor which are arranged on the main machine table; the I-type motor is connected with a ball screw, and a base is connected with the I-type guide rail in a sliding mode through the ball screw and a ball in a matching mode. The structure enables the externally-mounted finish machining equipment to horizontally move along with the base so as to meet the requirement of machining the whole surface.

Furthermore, the second automatic moving mechanism also comprises a hydraulic cylinder and a No. II guide rail which are fixed at the upper end of the bottom moving base through bolts; the pneumatic cylinder is connected main mount pad, and II numbers guide rail and main mount pad sliding connection around. The structure enables the finish machining equipment to move back and forth along with the main mounting seat for adjustment of the face finish machining size.

Furthermore, the clamping assembly comprises a cushion block arranged on the main machine table, and a positioning pin integrated with the cushion block is arranged on the cushion block. The cushion block is used for placing a workpiece, and the positioning pin can be matched with a pin hole in the workpiece to assist in positioning.

Furthermore, a fusion groove which is in sliding fit with both the I-shaped connecting rod and the II-shaped connecting rod is formed in the rail placing plate; the fusion groove is composed of an arc groove and two pairs of horizontal grooves communicated with the arc groove. Furthermore, the two horizontal slots of each pair are parallel and equal in length. The shape of the fusion groove not only limits the motion trail of the clamping assembly, but also enables the left and right positions of the part after each motion of the clamping assembly to be exchanged.

Furthermore, the two pairs of horizontal grooves are respectively and correspondingly positioned at the left lower side and the right lower side of the arc-shaped groove. Two pairs of horizontal grooves respectively limit two clamping positions of the clamping assembly.

Further, the distance between the two horizontal grooves of each pair is equal to the distance between the I-shaped connecting rod and the II-shaped connecting rod. The structure ensures that when the I-shaped connecting rod and the II-shaped connecting rod slide in each pair of horizontal grooves, the whole clamping assembly always keeps a stable state.

Further, trade and press from both sides removal subassembly still including installing in the II type motor of putting the rail board rear end, II type motor is connected with the transposition frame, is equipped with the transposition groove that supplies I type connecting rod to pass on the transposition frame. Namely, the II-type motor is a power element which is used as a clamping assembly for carrying out position replacement clamping.

Furthermore, the clamping assembly comprises a movable clamping plate, air cylinders, a III guide rail and a fixed clamping plate, wherein the air cylinders, the III guide rail and the fixed clamping plate are all arranged on the three-side load frame besides the three-side load frame. The movable clamping plate can slide and is matched with the fixed clamping plate to clamp the left end part of the bottom or the right end part of the bottom of the workpiece respectively.

Further, the cylinder is connected with the movable clamping plate, and the III guide rail is connected with the movable clamping plate in a sliding mode. Namely, the cylinder drives the movable clamping plate to clamp.

The invention has the beneficial effects that:

1. the positioning and clamping are convenient, the machining stress is kept consistent with the clamping direction of the positioning and clamping, and the workpiece is prevented from loosening, so that the machining precision is more accurate.

2. The adoption two degree of automation moving mechanism assist external finish machining equipment to carry out processing, can make things convenient for manual regulation and control automatic processing for finish machining operation is more convenient.

3. The bottom of the workpiece is clamped twice and matched with half bottom surface processing twice respectively, so that the technical problem that the bottom clamping cannot be compatible with the whole bottom surface automatic processing is solved.

4. The clamping assembly can be adjusted to change the position and clamp the workpiece twice in a part changing mode, and compared with the traditional technology in which two pairs of clamps are used, the clamping assembly saves a large amount of equipment cost, shortens the clamping time and relatively improves the machining efficiency.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a block diagram of FIG. 1 with the housing and the electrical cabinet removed;

FIG. 3 is a perspective view of the present invention from a second perspective;

FIG. 4 is a front view of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 3 at I;

FIG. 6 is an enlarged view of a portion of FIG. 1 at II;

FIG. 7 is a perspective view of the clamping assembly, the I-shaped link, and the II-shaped link;

FIG. 8 is a perspective view of the throttle pedal arm support base;

fig. 9 is a state diagram of fig. 2 in a particular embodiment.

In the figure: 1. a main machine station; 2. a main mounting base; 3. guide rail No. I; 4. a type I motor; 5. a ball screw; 6. a base is moved downwards; 7. a hydraulic cylinder; 8. placing a rail plate; 9. an I-shaped connecting rod; 10. a type II connecting rod; 11. a three-sided load frame; 12. cushion blocks; 13. positioning pins; 14. a type II motor; 15. a position changing frame; 16. a cylinder; 17. a No. III guide rail; 18. fixing the clamping plate; 19. a movable clamping plate; 20. guide rail No. II; 21. a housing; 22. an electric cabinet.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described more clearly and more completely with reference to the drawings in the following embodiments, and it is understood that the described embodiments are only a part of the present invention, rather than all of the present invention, and based on the embodiments, other embodiments obtained by those skilled in the art without inventive exercise are within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1 to 7, the accelerator pedal arm support base bottom surface finishing machine is provided with a main machine table 1, wherein a two-degree-of-automation moving mechanism is mounted on the front part of the main machine table 1, and the two-degree-of-automation moving mechanism is connected with a main mounting base 2; the upper rear part of the main machine table 1 is respectively provided with a positioning component, a clamping component and a clamp changing moving component; the clamp changing moving assembly comprises a rail placing plate 8 arranged on the main machine table 1, and the rail placing plate 8 is respectively matched with an I-shaped connecting rod 9 and a II-shaped connecting rod 10 in a sliding manner; the clamping assembly comprises a three-side load frame 11 which is connected with the I-shaped connecting rod 9 and the II-shaped connecting rod 10 in a welding mode.

As shown in fig. 1, an outer cover 21 and an electric cabinet 22 are correspondingly mounted on the left and right parts of the main machine base 1. The outer cover 21 plays a protection role, and the electric cabinet 22 is used for facilitating the drive of all power elements on the machine tool to be controlled manually and integrally. The main mounting base 2 can be provided with related finish machining equipment for polishing, grinding and the like of the bottom surface of the workpiece; the two-degree-of-automation moving mechanism assists the fine machining facility in a two-dimensional motion mode. The positioning component and the clamping component are respectively used for positioning and clamping the workpiece. The clamp replacing and moving assembly is used for adjusting the position of the clamping assembly, so that the clamping assembly can clamp different parts of the workpiece twice respectively, and the machining is convenient to implement. The length of the I-shaped connecting rod 9 is larger than that of the II-shaped connecting rod 10.

Specifically, as shown in fig. 6, in the present invention, the two-degree-of-automation moving mechanism further includes a No. I guide rail 3 and an I-type motor 4 installed on the main machine table 1; the I-type motor 4 is connected with a ball screw 5, and the ball screw 5 is matched with a base moving seat 6 which is connected with the I-type guide rail 3 in a sliding manner. This structure enables the exterior finishing equipment to horizontally move along with the base 6, so as to meet the requirement of processing the entire surface.

As shown in fig. 6, the two-degree-of-automation moving mechanism further comprises a hydraulic cylinder 7 and a No. II guide rail 20 which are fixed on the upper end of the base moving seat 6 through bolts; the hydraulic cylinder 7 is connected with the main mounting base 2, and the No. II guide rail 20 is connected with the main mounting base 2 in a front-back sliding mode. This structure enables the finishing equipment to be adjusted back and forth along with the main mount 2 so as to adjust the face finishing size.

Specifically, as shown in fig. 2, the clamping assembly includes a cushion block 12 installed on the main machine table 1, and a positioning pin 13 integrated with the cushion block 12 is provided on the cushion block 12. The cushion block 12 is used for placing a workpiece, and the positioning pin 13 can be matched with a pin hole on the workpiece to assist in positioning.

Specifically, as shown in fig. 3 and 5, a fusion groove which is in sliding fit with both the I-shaped connecting rod 9 and the II-shaped connecting rod 10 is formed on the rail placing plate 8; the fusion groove is composed of an arc groove 10a and two pairs of horizontal grooves 10b communicated with the arc groove 10 a. Further, the two horizontal slots 10b of each pair are parallel and equal in length. The shape of the fusion groove not only limits the motion trail of the clamping assembly, but also enables the left and right positions of the part after each motion of the clamping assembly to be exchanged.

Specifically, the two pairs of horizontal slots 10b are respectively and correspondingly located on the left lower side and the right lower side of the arc-shaped slot 10 a. The two pairs of horizontal slots 10b define the two clamping positions of the clamping assembly, respectively.

Specifically, the two horizontal slots 10b of each pair are spaced at the same distance as the distance between the I-shaped links 9 and the II-shaped links 10. The structure ensures that when the I-shaped connecting rods 9 and the II-shaped connecting rods 10 slide in each pair of horizontal grooves 10b, the whole clamping assembly always keeps a stable state.

Specifically, as shown in fig. 3 and 5, the clip-changing moving assembly further includes a II-type motor 14 mounted at the rear end of the rail-placing plate 8, the II-type motor 14 is connected with a shifting frame 15, and the shifting frame 15 is provided with a shifting slot 15a for the I-type connecting rod 9 to pass through. That is, the type II motor 14 is a power element that is used as a chuck assembly to perform position replacement chuck.

Specifically, the clamping assembly is composed of a movable clamping plate 19, an air cylinder 16, a No. III guide rail 17 and a fixed clamping plate 18, which are all mounted on the three-side load frame 11, in addition to the three-side load frame 11. The movable clamping plate 19 is matched with the fixed clamping plate 18 in a sliding mode to clamp the left end portion of the bottom or the right end portion of the bottom of the workpiece respectively.

Specifically, as shown in fig. 7, in the practical application of the present invention, the air cylinder 16 is connected to the movable clamping plate 19, and the number III guide rail 17 is slidably connected to the movable clamping plate 19. Namely, the air cylinder 16 drives the movable clamping plate 19 to carry out clamping movement.

Example two:

the invention further provides a working method, which comprises the following steps:

in the initial state, the I-shaped link 9 and the II-shaped link 10 are respectively located at the right extreme positions of the two horizontal grooves 10b on the left side.

Before use, external finishing equipment is manually installed on the main installation seat 2.

The specific use steps are as follows:

firstly, placing an accelerator pedal arm support shown in fig. 8 on a cushion block 12 in a mode that the bottom surface faces forwards, matching a shaft hole on a workpiece with a positioning pin 13, and enabling the left end of the bottom of the workpiece to be attached to a fixed clamping plate 18.

Step two, the air cylinder 16 pulls the movable clamping plate 19 backwards to clamp the left end of the bottom of the workpiece, and the clamped state is shown in fig. 9.

And step three, machining the right half of the bottom surface of the workpiece through the adjustment of the two-degree-of-automation moving mechanism and auxiliary external finishing equipment.

And step four, the air cylinder 16 pushes the movable clamping plate 19 forwards to release the clamping state of the left end of the bottom of the workpiece.

And step five, the II-type motor 14 drives the shifting frame 15 to rotate clockwise, so that the I-type connecting rod 9, the II-type connecting rod 10 and the clamping assembly translate leftwards firstly, then rotate 180 degrees by taking the shaft of the II-type motor 14 as a center, and move in the arc-shaped groove 10a through the I-type connecting rod 9 and the II-type connecting rod 10 simultaneously, so that the left and right positions of the air cylinder 16 and the fixed clamping plate 18 can be exchanged. With the continuous rotation of the driving displacement frame 15, the I-shaped connecting rod 9 and the II-shaped connecting rod 10 slide into the pair of horizontal grooves 10b on the right side, that is, the clamping assembly with the reversed parts moves leftwards and the fixed clamping plate 18 is attached to the right end of the bottom of the workpiece.

And step six, the air cylinder 16 pulls the movable clamping plate 19 backwards to clamp the right end of the bottom of the workpiece.

And seventhly, machining the left half part of the bottom surface of the workpiece through the two-degree-of-automation moving mechanism adjustment and auxiliary external finishing equipment.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Accelerator pedal arm supporting seat bottom finish machining machine is equipped with host computer platform (1), its characterized in that: the upper front part of the main machine table (1) is provided with a two-degree-of-automation moving mechanism which is connected with a main mounting seat (2); the upper rear part of the main machine table (1) is respectively provided with a positioning component, a clamping component and a clamp changing moving component; the clamp-changing moving assembly comprises a rail placing plate (8) arranged on the main machine table (1), and the rail placing plate (8) is respectively in sliding fit with an I-shaped connecting rod (9) and a II-shaped connecting rod (10); the clamping assembly comprises a three-side load frame (11) which is connected with the I-shaped connecting rod (9) and the II-shaped connecting rod (10) in a welding way;

the clamping assembly comprises a cushion block (12) arranged on the main machine table (1), and a positioning pin (13) integrated with the cushion block (12) is arranged on the cushion block (12);

a fusion groove which is in sliding fit with both the I-shaped connecting rod (9) and the II-shaped connecting rod (10) is formed in the rail placing plate (8); the fusion groove is composed of an arc groove (10 a) and two pairs of horizontal grooves (10 b) communicated with the arc groove (10 a);

the two pairs of horizontal grooves (10 b) are respectively and correspondingly positioned at the left lower side and the right lower side of the arc-shaped groove (10 a);

the distance between the two horizontal grooves (10 b) of each pair is equal to the distance between the I-shaped connecting rod (9) and the II-shaped connecting rod (10);

the clamp changing moving assembly further comprises a II-type motor (14) arranged at the rear end of the rail placing plate (8), the II-type motor (14) is connected with a displacement frame (15), and a displacement groove (15 a) for the I-type connecting rod (9) to penetrate through is formed in the displacement frame (15);

the clamping assembly comprises a three-side load frame (11), a movable clamping plate (19), a cylinder (16), a No. III guide rail (17) and a fixed clamping plate (18), wherein the cylinder (16), the No. III guide rail and the fixed clamping plate are all arranged on the three-side load frame (11).

2. The accelerator pedal arm support base floor finishing machine of claim 1, wherein: the second automatic degree moving mechanism also comprises an I-shaped guide rail (3) and an I-shaped motor (4) which are arranged on the main machine table (1); the I-shaped motor (4) is connected with a ball screw (5), and a base (6) is matched with balls of the ball screw (5) and is connected with the I-shaped guide rail (3) in a sliding mode.

3. The accelerator pedal arm support base floor finishing machine of claim 2, wherein: the second automatic degree moving mechanism also comprises a hydraulic cylinder (7) and a No. II guide rail (20) which are fixed at the upper end of the bottom moving base (6) through bolts; the hydraulic cylinder (7) is connected with the main mounting seat (2), and the II-type guide rail (20) is connected with the main mounting seat (2) in a front-back sliding manner.

4. The accelerator pedal arm support base floor finishing machine of claim 1, wherein: the cylinder (16) is connected with the movable clamping plate (19), and the III guide rail (17) is connected with the movable clamping plate (19) in a sliding manner.