CN210756590U - Motor car combination seat adds clamping apparatus - Google Patents

Abstract

The bullet train combination seat machining clamp comprises a bottom plate, a vertical plate and a servo motor which are arranged on the bottom plate, a rotating frame arranged between the vertical plate and the servo motor, and a primary machining clamp and a secondary machining clamp which are arranged on the rotating frame; the primary processing fixture comprises a positioning seat, a fixed ejector rod is arranged at the front end of the positioning seat, a movable ejector rod is arranged at the rear end of the positioning seat through a spring, positioning plate frames are respectively arranged in front of and behind the positioning seat, a V-shaped positioning opening is formed in the top of each positioning plate frame, and pressing arms which move up and down are respectively arranged on the left side and the right side of the positioning seat; the secondary processing fixture comprises two left and right positioning tables, a fixed positioning disc is arranged at the right end of the left positioning table, a movable positioning disc is arranged on the right positioning table through a horizontal oil cylinder, and a positioning block is arranged in front between the two positioning tables. The motor train unit seat assembling and fixing device can be used for quickly positioning and fixing a motor train unit seat, time and labor are saved in operation, production efficiency is improved, the accuracy of motor train unit seat assembling and positioning and the stability of a fixing structure can be improved, and the product rejection rate is greatly reduced.

Description

EMU combined seat processing fixture

technical field

The utility model relates to processing equipment for a combined seat of a motor vehicle, in particular to a processing fixture for a combined seat of a motor vehicle.

Background technique

The motor car combination seat is an important component in the motor car. During processing, the motor car combination seat needs to be positioned and fixed, and the two end surfaces and the outer circular surface of the motor car combination seat are processed in sequence. The traditional way of positioning and fixing the combination seat of the motor train is to first mark the combination seat of the motor car, use the scribe mark to align, and then use multiple sets of tongs to clamp the fuse mounting seat. This traditional method of scribing and aligning and clamping the motor vehicle combination seat in a vise is time-consuming and laborious, and the production efficiency is low. In addition, the positioning of the motor vehicle combination seat is inaccurate, and the fixed structure is unstable, resulting in a high product rejection rate.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned technical problems, the utility model provides a processing fixture for the combined seat of the motor car, which can quickly position and fix the combined seat of the motor vehicle during the processing of the combined seat of the motor vehicle, saves time and effort in the operation, improves the production efficiency, and can improve the efficiency of the motor vehicle. The positioning accuracy of the combination seat and the stability of the fixed structure greatly reduce the product rejection rate.

The technical solution of the present utility model is:

The machining fixture for the combination seat of the motor car, including the bottom plate, is special in that a vertical plate and a servo motor are arranged at the left and right ends of the bottom plate, and a rotating frame is set between the vertical plate and the servo motor, and the left end of the rotating frame is rotated and installed with the vertical plate. The right end of the rotating frame is fixedly installed with the output shaft of the servo motor; the primary processing fixture and the secondary processing fixture are arranged left and right on the rotating frame, and the primary processing fixture includes a positioning seat installed on the rotating frame, and the front end of the positioning seat is provided with a fixed ejector rod , the rear end of the positioning seat is provided with a front and rear retractable movable ejector rod through a spring, a positioning plate frame is respectively set in front of and behind the positioning seat on the rotating frame, and a V-shaped positioning port is respectively set on the top of the two positioning plate frames. The left and right sides of the positioning seat are respectively provided with pressing arms that move up and down; the secondary processing fixture includes two positioning tables arranged on the rotating frame left and right, and a positioning plate is arranged on the right end of the positioning table on the left, A horizontal oil cylinder is set on the positioning table of the horizontal oil cylinder, the piston rod of the horizontal oil cylinder points to the positioning plate, and a dynamic positioning plate coaxial with the positioning plate is arranged on the piston rod end of the horizontal oil cylinder, and two positioning tables are located on the rotating frame. Set the positioning block in the front between.

Further preferably, vertical oil cylinders are respectively arranged on the left and right sides of the positioning seat on the rotating frame, the pressing arm is hinged on the top end of the piston rod of the vertical oil cylinder, the action ends of the two pressing arms point to the positioning seat, and the middle part of the pressing arm is connected to the positioning seat. The cylinder bodies of the vertical oil cylinders are connected with connecting rods through pins.

Further preferably, an insertion hole extending in the front-rear direction is provided at the rear end of the positioning seat, and the spring and the movable ejector rod are inserted into the insertion hole.

Further preferably, a vertical support rod is arranged below the left pressing arm on the rotating frame, and the pressing arm on the left presses the left part of the combination seat against the top of the vertical support rod to improve the stability of the fixed structure of the combination seat.

The beneficial effects of the present utility model are:

1. When processing the two ends of the EMU combination seat, first seat the two ends of the EMU combination seat on the V-shaped positioning openings of the two positioning plate frames, and press the fixed ejector rod and the movable ejector bar against the inner walls of the two ends of the EMU combination seat. The seat is automatically positioned, and then the two pressing arms are pressed down to clamp and fix the middle of the motor car combination seat, start the servo motor to rotate the rotating frame, turn the two end faces of the combination seat to face up in turn, and process the motor car combination seat in turn by CNC machining. The end face, which quickly locates and fixes the motor vehicle combination seat, saves time and effort in operation, improves production efficiency, improves the positioning accuracy of the motor vehicle combination seat and the stability of the fixed structure, and greatly reduces the product rejection rate.

2. When processing the outer circular surface of the EMU combination seat, seat the ear plate of the EMU combination seat on the positioning block, and at the same time extend the piston rod of the horizontal oil cylinder, and the fixed positioning plate and the dynamic positioning plate are inserted into the circular holes on both ends of the EMU combination seat. Closely cooperate, fix the two ends of the motor car combination seat while positioning the motor car combination seat, then start the servo motor to rotate the rotating frame, turn the machining surface of the outer circular surface of the motor car combination seat to face up in turn, and process them sequentially by CNC machine tools. The machined surface with the outer circle facing upwards of the motor car combination seat can quickly locate and fix the motor car combination seat, save time and effort in operation, improve the production efficiency, and improve the positioning accuracy of the motor car combination seat and the stability of the fixed structure, which greatly improves the efficiency of production. Reduce product scrap rates.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the installation structure schematic diagram of the spring, the movable ejector rod and the positioning seat in Fig. 1;

Fig. 3 is the structural representation of the clamping combination seat of the present invention;

In the picture: 1-base plate, 2-vertical plate, 3-servo motor, 4-rotating frame, 5-positioning seat, 6-fixed ejector rod, 7-jacking hole, 8-spring, 9-moving ejector rod, 10- Positioning plate frame, 11-V-shaped positioning port, 12-vertical oil cylinder, 13-pressing arm, 14-connecting rod, 15-vertical support rod, 16-positioning table, 17-fixed positioning plate, 18-horizontal oil cylinder, 19-movable positioning plate, 20-positioning block.

Detailed ways

As shown in Fig. 1 and Fig. 2 , the processing fixture for the motor train combination seat includes a base plate 1, a vertical plate 2 and a servo motor 3 are installed on the left and right ends of the base plate 1, and a rotating frame 4 is arranged between the vertical plate 2 and the servo motor 3, so The left end of the rotating frame 4 and the vertical plate 2 are rotated and installed by bearings, and the right end of the rotating frame 4 is fixedly installed with the output shaft of the servo motor 3; on the rotating frame 4, a primary processing fixture and a secondary processing fixture are arranged left and right, and the primary processing fixture includes: The positioning seat 5 installed on the rotating frame 4, the front end of the positioning seat 5 is provided with a fixed ejector rod 6, and the rear end of the positioning seat 5 is provided with an insertion hole 7 extending in the front-rear direction. The movable mandrel 9 is installed on the revolving frame 4 at the front and the rear of the positioning seat 5, and the positioning plate frame 10 is respectively installed. The top of the two positioning plate frames 10 is respectively provided with a V-shaped positioning port 11, and the positioning seat 5 is located on the rotating frame 4. The vertical oil cylinders 12 are installed on the left and right sides respectively. The top of the piston rod of the vertical oil cylinder 12 is hinged to the pressing arm 13 through the pin shaft. A connecting rod 14 is connected between the bodies through a pin shaft, and a vertical support rod 15 is installed on the rotating frame 4 below the left pressing arm 13; the secondary processing fixture includes two left and right positioning tables 16 installed on the rotating frame 4 , a positioning plate 17 is set at the right end of the positioning table 16 located on the left side, and a horizontal oil cylinder 18 is set on the positioning table 16 located on the right side, the piston rod of the horizontal oil cylinder 18 points to the positioning plate 17 A movable positioning plate 19 coaxial with the fixed positioning plate 17 is installed at the end of the piston rod, and a positioning block 20 is installed on the rotating frame 4 in front of the two positioning platforms 16 .

During the installation operation, the base plate 1 is installed on the CNC machine tool console, the servo motor 3 is connected to the power supply, and the vertical oil cylinder 12 and the horizontal oil cylinder 18 are respectively connected to the oil pump through oil pipes.

During the processing operation, first place the two ends of the motor vehicle combination seat on the V-shaped positioning openings 11 of the two positioning plate frames 10, and press the fixed ejector rod 6 and the movable ejector rod 9 against the inner walls of the two ends of the motor vehicle combination seat, and the motor vehicle combination seat automatically. Position, extend the piston rods of the two vertical oil cylinders 12, press down the free ends of the two pressing arms 13, clamp and fix the middle of the motor vehicle combination seat, then start the servo motor 3 to rotate the rotating frame 4, and place the two ends of the combination seat in turn. Turn it to face upwards, process the upward-facing end face of the motor-car combination seat in turn by CNC machine tool processing, then remove the motor-car combination seat and place it between the fixed positioning plate 17 and the movable positioning plate 19, and seat the ear plate of the motor-car combination seat on the positioning block. 20, at the same time extend the piston rod of the horizontal oil cylinder 18, the fixed positioning plate 17 and the movable positioning plate 19 are inserted into the round holes on the two ends of the motor car combination seat for close cooperation, and the motor car combination seat is positioned while clamping the two ends of the motor car combination seat. Fix it, then start the servo motor 3 to rotate the rotating frame 4, turn the machining surface of the outer circular surface of the EMU combination seat to face up in sequence, and process the machining surface with the outer circular surface up of the EMU combination seat in turn by CNC machine tool processing, and finally remove the EMU Combine the seat to complete the machining operation.

The above are only specific embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (4)

1. The motor-car combination seat processing fixture comprises a base plate, and is characterized in that: a vertical plate and a servo motor are arranged at the left and right ends of the base plate, a revolving frame is arranged between the vertical plate and the servo motor, and the left end of the revolving frame and the vertical plate are rotated and installed, The right end of the rotating frame is fixedly installed with the output shaft of the servo motor; the primary processing fixture and the secondary processing fixture are arranged left and right on the rotating frame, and the primary processing fixture includes a positioning seat installed on the rotating frame, and the front end of the positioning seat is provided with a fixed ejector rod , the rear end of the positioning seat is provided with a front and rear retractable movable ejector rod through a spring, a positioning plate frame is respectively set in front of and behind the positioning seat on the rotating frame, and a V-shaped positioning port is respectively set on the top of the two positioning plate frames. The left and right sides of the positioning seat are respectively provided with pressing arms that move up and down; the secondary processing fixture includes two positioning tables arranged on the rotating frame left and right, and a positioning plate is arranged on the right end of the positioning table on the left, A horizontal oil cylinder is set on the positioning table of the horizontal oil cylinder, the piston rod of the horizontal oil cylinder points to the positioning plate, and a dynamic positioning plate coaxial with the positioning plate is arranged on the piston rod end of the horizontal oil cylinder, and two positioning tables are located on the rotating frame. Set positioning blocks between the front and rear. 2. The processing jig for the combined seat of the motor train according to claim 1, characterized in that: vertical oil cylinders are respectively arranged on the left and right sides of the positioning seat on the rotating frame, and the pressure arm is hinged on the top of the piston rod of the vertical oil cylinder, and two The action end of each pressing arm points to the positioning seat, and the connecting rod is connected by a pin between the middle part of the pressing arm and the cylinder body of the vertical oil cylinder. 3 . The processing fixture for the combined seat of a motor train according to claim 1 , wherein the rear end of the positioning seat is provided with an insertion hole extending in the front-rear direction, and the spring and the movable ejector rod are inserted into the insertion hole. 4 . 4 . The processing fixture for the combined seat of a motor train according to claim 1 , wherein a vertical support rod is arranged on the rotating frame under the left pressing arm. 5 .

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