CN219189403U

CN219189403U - Special frock of duplex position machining center processing leaf spring support

Info

Publication number: CN219189403U
Application number: CN202223572785.9U
Authority: CN
Inventors: 李天昌; 王成亮; 刘中亚
Original assignee: Henan Oudiai Casting Co ltd
Current assignee: Henan Oudiai Casting Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-16
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a special fixture for machining a plate spring support of a double-station machining center, which comprises a fixture body, wherein the fixture body comprises two machining stations, the machining stations are bilaterally symmetrical relative to the fixture body, each machining station comprises a station frame and an XYZ-axis positioning mechanism, a workpiece to be machined is placed on the station frame, the XYZ-axis positioning mechanism is fixedly connected to the station frame, and the XYZ-axis positioning mechanism comprises an X-axis positioning device, a Y-axis positioning device and a Z-axis positioning device. According to the utility model, by arranging the XYZ-axis positioning mechanism and the double stations, the workpiece to be processed is rapidly and accurately positioned, the processing precision is improved, the thinking error is reduced, meanwhile, the labor intensity of workers is also reduced, and the efficiency is improved.

Description

Special frock of duplex position machining center processing leaf spring support

Technical Field

The utility model belongs to the field of tooling, and particularly relates to a tooling special for a plate spring bracket for a double-station machining center.

Background

The utility model of China with the application number of 201621100702.8 discloses a plate spring bracket coaxiality control tool, which comprises a pair of front spring brackets and a pair of rear spring brackets, wherein the plate spring bracket coaxiality control tool comprises a positioning plate, a side bracket plate, a fixed seat, a guide sleeve and a guide pin; the side support plates are fixedly arranged on the side surfaces of the positioning plates; the fixed seat is fixedly arranged on the side support plate, and an arc-shaped groove is formed in the fixed seat; the guide sleeve is fixedly arranged in the arc-shaped groove, and a central hole is formed in the guide sleeve; the guide pin is slidably connected with the central hole. According to the coaxiality control tool for the plate spring support, the plate spring support can obtain higher coaxiality in the riveting process through butt joint of the guide sleeve and the guide pin, so that the assembly of other relevant parts is facilitated, and the running stability of a truck is improved.

The utility model in China with the application number of 202122689891.4 discloses a tool capable of controlling coaxiality of a plate spring bracket of a vehicle frame, wherein a main structure is provided with a straight shaft, a left sleeve and a right sleeve, the left sleeve and the right sleeve are separated, the left plate spring bracket and the right plate spring bracket are retracted in the screwing process of the right sleeve, and the problem of outward expansion of the left plate spring bracket and the right plate spring bracket is effectively controlled. The straight shaft and the right sleeve are connected by adopting threads, so that the sleeve can be tightened towards the middle along the direction of the straight shaft. The screwed right sleeve is automatically centered by using a conical surface, and the inner diameters of the left and right plate spring supports can be controlled to be coaxial through simple operation.

Disclosure of Invention

The utility model aims to solve the technical problems that: how to quickly and accurately position the plate spring support on the tool, the machining error is reduced, the labor intensity is reduced, the efficiency is improved, and the special tool for machining the plate spring support by the double-station machining center is provided for solving the problems.

In order to solve the technical problems, the technical scheme of the utility model is realized in the following way:

the special fixture for machining the plate spring support of the double-station machining center comprises a fixture body, wherein the fixture body comprises two machining stations, the machining stations are bilaterally symmetrical relative to the fixture body, each machining station comprises a station frame and an XYZ-axis positioning mechanism, a workpiece to be machined is placed on the station frame, the XYZ-axis positioning mechanism is fixedly connected to the station frame, and the XYZ-axis positioning mechanism comprises an X-axis positioning device, a Y-axis positioning device and a Z-axis positioning device;

the X-axis positioning device is arranged in the X-axis direction of the processing station and comprises an X-axis hydraulic cylinder and positioning bolts for positioning the left side and the right side of a workpiece to be processed;

the Y-axis positioning device is arranged in the Y-axis direction of the processing station and comprises a Y-axis hydraulic cylinder and a positioning rod which are used for positioning the front side and the rear side of the processed workpiece, the Y-axis hydraulic cylinder is fixedly connected to a station frame, a limiting hole is formed in the station frame, the positioning rod is arranged in the limiting hole, and the axial direction of the positioning rod is the X-axis direction;

the Z-axis positioning device is arranged in the Z-axis direction of the processing station and comprises a Z-axis hydraulic cylinder for positioning the upper side and the lower side of a processing workpiece and a claw connected with a piston rod of the Z-axis hydraulic cylinder.

The X-axis positioning device further comprises a slide way and a slide block which is in sliding connection with the slide way, the slide way is positioned at the front end of the X-axis hydraulic cylinder, a piston rod of the X-axis hydraulic cylinder is opposite to the slide block, and a workpiece to be processed is placed between the slide block and the positioning bolt.

Compared with the prior art, the utility model has the following benefits: according to the utility model, by arranging the XYZ-axis positioning mechanism and the double stations, the workpiece to be processed is rapidly and accurately positioned, the processing precision is improved, the thinking error is reduced, meanwhile, the labor intensity of workers is also reduced, and the efficiency is improved.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Wherein 1 is a positioning bolt; 2 is a claw; 3 is a workpiece to be processed; 4 is a positioning rod; 5 is a Y-axis hydraulic cylinder; 6 is a Z-axis hydraulic cylinder; 7 is an X-axis hydraulic cylinder; 8 is a slideway; 9 is a slider; 10 is a workstation rack.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

The utility model will now be further described with reference to examples, figures:

as shown in the figure, the special fixture for machining the plate spring support by the double-station machining center comprises a fixture body, wherein the fixture body is subjected to heat treatment by adopting QT800-2 material, failure deformation is prevented, the fixture body comprises two machining stations, and the machining stations are symmetrical relative to the vertical axis of the fixture body. All the parts of the processing station are symmetrical left and right with respect to the tooling body (that is to say the double processing station is symmetrical left and right with respect to the line A-A in fig. 1). The processing station comprises a station frame 10 and an XYZ (X, Y) shaft positioning mechanism, wherein a workpiece 3 to be processed is placed on the station frame 10, the XYZ shaft positioning mechanism is fixedly connected to the station frame 10 and comprises an X-shaft positioning device, a Y-shaft positioning device and a Z-shaft positioning device, and the XYZ shaft positioning mechanism is used for fixing the workpiece 3 to be processed on the station, and the workpiece 3 to be processed in the application is a plate spring bracket.

The X-axis positioning device is arranged in the X-axis direction of the machining station and comprises an X-axis hydraulic cylinder 7 and a positioning bolt 1, wherein the X-axis hydraulic cylinder 7 is fixedly connected to one side of the machining station, the positioning bolt 1 is in threaded connection to the other side of the machining station, the workpiece 3 to be machined is placed between the X-axis hydraulic cylinder 7 and the positioning bolt 1, and the X-axis positioning device is used for fixing the workpiece 3 to be machined in the X-axis direction, so that the workpiece 3 to be machined can be rapidly and accurately positioned in the X-axis direction. When the X-axis hydraulic cylinder 7 is used, the positioning bolt 1 is rotated to a proper position, then the X-axis hydraulic cylinder 7 is started, the X-axis hydraulic cylinder 7 pushes the workpiece 3 to be processed to move in the X-axis direction, and the piston rod of the X-axis hydraulic cylinder 7 and the positioning bolt 1 are used for positioning and fixing the workpiece 3 to be processed in the X-axis direction

The Y-axis positioning device is arranged in the Y-axis direction of the processing station and comprises Y-axis hydraulic cylinders 5 and positioning rods 4, wherein the Y-axis hydraulic cylinders 5 are fixedly connected to a station frame 10, the station frame 10 is provided with limiting holes, the positioning rods 4 are arranged in the limiting holes, the axial direction of the positioning rods 4 is the X-axis direction, and the workpiece 3 to be processed is positioned between the positioning rods 4 and the Y-axis hydraulic cylinders 5. The Y-axis positioning device is used for fixing the workpiece 3 to be processed in the Y-axis direction, so that the workpiece 3 can be rapidly and accurately positioned in the Y-axis direction. The Y-axis hydraulic cylinder 5 moves in the Y-axis direction, and the workpiece 3 to be processed is positioned and fixed through the positioning rod 4 and the Y-axis hydraulic cylinder 5.

The Z-axis positioning device is arranged in the Z-axis direction of the machining station and comprises Z-axis hydraulic cylinders 6 for positioning the upper side and the lower side of the machined workpiece 3 and clamping jaws 2 connected with piston rods of the Z-axis hydraulic cylinders 6, the Z-axis hydraulic cylinders 6 are used for positioning the workpiece 3 to be machined by driving the clamping jaws 2 to pull downwards, and the Z-axis positioning device is used for fixing the workpiece 3 to be machined in the Z-axis direction so that the workpiece 3 can be positioned in the Z-axis direction rapidly and accurately.

As shown in fig. 1, the X-axis direction is the left-right direction in fig. 1, the Y-axis direction is the front-back direction in fig. 1, and the Z-axis direction is the up-down direction in fig. 1, so that three directions of XYZ axes are positioned and fixed, the workpiece 3 to be processed is positioned quickly and accurately, the processing precision is improved, the errors are reduced, and meanwhile, the labor intensity of workers is also reduced.

The X-axis positioning device further comprises a slide way 8 and a slide block 9 which is in sliding connection with the slide way 8, the slide way 8 is positioned at the front end of the X-axis hydraulic cylinder 7, a piston rod of the X-axis hydraulic cylinder 7 is opposite to the slide block 9, and a workpiece 3 to be processed is placed between the slide block 9 and the positioning bolt 1.

The device is formed by adopting plasma cutting and welding of a common carbon steel plate, and then the device is successfully assembled after being processed by a processing center; finally, successful application is achieved on the processing of the workpiece. Finally, the use requirement of the customer is met, and the yield is improved from 96% to 98.5%. The production efficiency is also improved from the original 200 pieces/class to 300 pieces/class.

According to the workpiece processing device, the XYZ shaft positioning mechanism and the double stations are arranged, so that the workpiece 3 to be processed is rapidly and accurately positioned, the processing precision is improved, the errors are reduced, meanwhile, the labor intensity of workers is also reduced, and the efficiency is improved.

The working process of the utility model is as follows:

the workpieces 3 to be processed are placed on the processing station, and because of the double station, two workpieces 3 to be processed can be placed simultaneously, and two workpieces 3 to be processed are processed simultaneously. The positioning bolt 1 is rotated to a proper position, then the X-axis hydraulic cylinder 7 is started, the X-axis hydraulic cylinder 7 pushes the sliding block 9 to move towards the workpiece 3 to be processed in the X-axis direction, and the workpiece 3 to be processed is positioned and fixed in the X-axis direction by utilizing the sliding block 9 and the positioning bolt 1; simultaneously, the Y-axis hydraulic cylinder 5 moves in the Y-axis direction, and the workpiece 3 to be processed is positioned and fixed through the positioning rod 4 and the Y-axis hydraulic cylinder 5; meanwhile, a piston rod of the Z-axis hydraulic cylinder 6 moves downwards, and the clamping jaw 2 connected with the piston rod of the Z-axis hydraulic cylinder 6 can clamp the workpiece 3 to be processed, so that the workpiece 3 to be processed is tensioned downwards, positioned and fixed. Thus, three-direction positioning and fixing of the XYZ axes are formed, rapid and accurate positioning of the workpiece 3 to be processed is realized, processing precision is improved, errors are reduced, meanwhile, labor intensity of workers is also reduced, and efficiency is improved.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several changes and modifications can be made without departing from the general inventive concept, and these should also be regarded as the scope of the utility model.

Claims

1. The special fixture for machining the plate spring support of the double-station machining center comprises a fixture body, and is characterized in that the fixture body comprises two machining stations, the machining stations are bilaterally symmetrical relative to the fixture body, each machining station comprises a station frame (10) and an XYZ-axis positioning mechanism, a workpiece (3) to be machined is placed on the station frame (10), the XYZ-axis positioning mechanism is fixedly connected to the station frame (10), and the XYZ-axis positioning mechanism comprises an X-axis positioning device, a Y-axis positioning device and a Z-axis positioning device;

the X-axis positioning device is arranged in the X-axis direction of the processing station and comprises X-axis hydraulic cylinders (7) and positioning bolts (1) for positioning the left side and the right side of a workpiece (3) to be processed;

the Y-axis positioning device is arranged in the Y-axis direction of the processing station and comprises Y-axis hydraulic cylinders (5) and positioning rods (4) for positioning the front side and the rear side of a workpiece (3) to be processed, the Y-axis hydraulic cylinders (5) are fixedly connected to a station frame (10), a limiting hole is formed in the station frame (10), the positioning rods (4) are arranged in the limiting hole, and the axial direction of the positioning rods (4) is the X-axis direction;

the Z-axis positioning device is arranged in the Z-axis direction of the processing station and comprises Z-axis hydraulic cylinders (6) for positioning the upper side and the lower side of a workpiece (3) to be processed and clamping claws (2) connected with piston rods of the Z-axis hydraulic cylinders (6).

2. The tooling special for machining the plate spring support of the double-station machining center according to claim 1, wherein the X-axis positioning device further comprises a slide way (8) and a slide block (9) which is in sliding connection with the slide way (8), the slide way (8) is positioned at the front end of the X-axis hydraulic cylinder (7), a piston rod of the X-axis hydraulic cylinder (7) is opposite to the slide block (9), and a workpiece (3) to be machined is placed between the slide block (9) and the positioning bolt (1).