CN210818586U - Train centralized power rotary arm vertical machining fixture - Google Patents

Abstract

The train centralized power rotating arm vertical processing fixture includes a base plate, three support columns arranged in a zigzag shape are arranged on the base plate, and positioning columns are respectively set on the base in front of the left support column and on the right side of the right front support column. A positioning block is arranged at the top of the right positioning column, and a V-shaped positioning port is arranged on the rear end of the positioning block. A column is respectively set on the base behind the left support column and behind the right positioning column, and the push rod is hinged at the top of the column, and the A compression spring is connected between the free end of the push rod and the upright column, and vertical oil cylinders are respectively arranged on the bottom plate on the left side of the left support column, in front of the right front support column and behind the right rear support column, and at the top of the piston rod of the vertical oil cylinder The pressing arm is hinged, and the connecting rod is connected by a pin between the middle part of the pressing arm and the cylinder body of the corresponding vertical oil cylinder. In the process of positioning and fixing the centralized power rotating arm, it can shorten the positioning time, simplify the fixing operation, shorten the fixing time, and improve the processing efficiency of the centralized power rotating arm.

Description

Train centralized power rotary arm vertical machining fixture

technical field

The utility model relates to a vertical processing equipment of a train centralized power rotating arm, in particular to a train centralized power rotating arm vertical processing fixture.

Background technique

The concentrated power boom is an important part of the train bogie, and it is a key component that connects the position of the axle and carries the entire car body. The centralized power rotating arm needs to be positioned and fixed on the CNC machine tool operation platform before processing. The traditional centralized power rotating arm positioning and fixing method is to firstly locate the centralized power rotating arm by manual marking, and then fasten multiple sets of pressure plates with bolts to clamp and fix the centralized power rotating arm. The manual scribing and positioning method takes a long time to locate, the number of pressing plates is large, the fixing operation is cumbersome, the fixing time is long, and the processing efficiency of the centralized power rotating arm is low.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned technical problems, the utility model provides a vertical processing fixture for a centralized power rotating arm of a train, which can shorten the positioning time, simplify the fixing operation, shorten the fixing time, and improve the concentration during the process of positioning and fixing the centralized power rotating arm. Power jib machining efficiency.

The technical solution of the present utility model is:

The train centralized power rotating arm vertical machining fixture, including the bottom plate, is special in that: three support columns are arranged on the bottom plate in a zigzag shape, one of which is located on the left side of the bottom plate, and the other two support columns are arranged in the front and rear of the bottom plate. On the right side of the bottom plate, a positioning column is set on the base in front of the left support column and on the right side of the support column at the right front. A positioning block is set on the top of the right positioning column. The base is located behind the left support column and located behind the right positioning column, respectively set up a column, the push rod is hinged at the top of the column, the free end of the push rod is inclined forward and downward, and a compression spring is connected between the free end of the push rod and the column. Vertical oil cylinders are respectively arranged on the bottom plate on the left side of the left support column, in front of the right front support column and behind the right rear support column, and a pressure arm is hinged on the top of the piston rod of the vertical oil cylinder, and the free end of the pressure arm points to the corresponding support The connecting rod is connected by a pin between the middle part of the pressing arm and the cylinder body of the corresponding vertical oil cylinder.

Further preferably, vertical guide rods are respectively set on the right side of the vertical oil cylinder in the front right and on the right side of the vertical oil cylinder in the right rear on the base, and the centralized power swing arm is hoisted to the train. The concentrated power rotating arm is guided by two guide rods, which is convenient for the rapid positioning of the concentrated power rotating arm.

Further preferably, the positioning block is L-shaped, the V-shaped positioning opening is set on the right-angled side of the front side of the positioning block, and the right-angled side of the positioning block is installed with a thread perpendicular to the right-angled side of the positioning block on the right-angled side of the positioning block.

Further preferably, an adjusting bolt perpendicular to the free end of the pressing arm is installed on the free end of the pressing arm through a thread, and the height of the adjusting bolt is adjusted by the thread, so as to fasten and clamp the concentrated power rotating arm.

Further preferably, the push rod is arc-shaped to improve the smoothness of the concentrated power rotating arm in contact with the push rod.

The beneficial effects of the present utility model are:

1. Due to the support columns set on the bottom plate, the centralized power rotating arm is placed on the three support columns for horizontal positioning; due to the positioning columns set on the bottom plate, the rear end surface of the positioning block set on the top of the right positioning column is provided with V-shaped positioning port, the push rod is hinged at the top of the column behind the positioning column, and a compression spring is connected between the free end of the push rod and the column. On the rear end face, the right front arc lug plate of the concentrated power rotating arm is clamped to the V-shaped positioning port, and the left side of the front end face of the concentrated power rotating arm is pressed against the positioning column on the left side, and the front and rear directions are positioned. The front arc ear plate is tangent to the V-shaped positioning opening, and the left and right direction positioning is automatically completed. The centralized power arm positioning operation is simple and convenient, which greatly shortens the positioning time and improves the processing efficiency of the centralized power arm.

2. Due to the vertical oil cylinders arranged on the left side of the left support column, in front of the right front support column and behind the right rear support column, the pressure arm hinged on the top of the piston rod of the vertical oil cylinder is connected to the middle of the pressure arm and the corresponding vertical cylinder. The connecting rod between the cylinder bodies of the oil cylinder extends the piston rod of the vertical oil cylinder, and the free end of the pressing arm is pressed down. The arm clamps and fixes the front and rear ends of the right side of the concentrated power arm, and the vertical oil cylinder is driven by an oil pump connected to it through pipelines, which simplifies the fixation operation of the concentrated power arm, shortens the fixation time of the concentrated power arm, and improves the concentration of power. The machining efficiency of the rotary arm.

Description of drawings

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

Fig. 2 is the structural representation of L-shaped positioning block in Fig. 1;

Fig. 3 is the installation structure diagram of push rod and column in Fig. 1;

Fig. 4 is the structural representation of the utility model clamping centralized power rotating arm;

In the picture: 1-base plate, 2-support column, 3-positioning column, 4-positioning block, 5-V-shaped positioning port, 6-top wire, 7-upright column, 8-push rod, 9-compression spring, 10- Vertical oil cylinder, 11-pressing arm, 12-adjusting bolt, 13-connecting rod, 14-vertical guide rod.

Detailed ways

As shown in Figures 1-3, the train centralized power rotating arm vertical processing fixture includes a base plate 1, and three support columns 2 arranged in the shape of a character are installed on the base plate 1, and one of the support columns 2 is located on the left side of the base plate 1, The other two support columns 2 are installed on the right side of the base plate 1 front and rear, and the positioning column 3 is respectively installed on the right side of the support column 2 located in front of the left support column 2 and the support column 2 located in the right front on the base, and L is installed on the top of the right positioning column 3 Type positioning block 4, the front right-angle side of positioning block 4 is provided with a V-shaped positioning port 5, and the right-angle side of positioning block 4 is screwed to install the top wire 6 perpendicular to the side right-angle side of positioning block 4, which is located on the base. A vertical column 7 is installed behind the left support column 2 and behind the right positioning column 3, respectively. At the top of the vertical column 7, an arc-shaped push rod 8 is hinged through a pin shaft. The free end of the push rod 8 is inclined forward and downward, and the push rod 8 is free A compression spring 9 is connected between the end and the upright column 7, and a vertical oil cylinder 10 is installed on the bottom plate 1 on the left side of the left support column 2, in front of the right front support column 2 and behind the right rear support column 2, respectively. The top end of the piston rod of 10 is hinged to the pressing arm 11 through the pin, and the adjusting bolt 12 perpendicular to the free end of the pressing arm 11 is threaded on the free end of the pressing arm 11. The free end of the pressing arm 11 points to the corresponding support column 2, and is A connecting rod 13 is connected between the middle of the pressing arm 11 and the cylinder body of the corresponding vertical oil cylinder 10 through a pin shaft, and vertical guides are respectively provided on the base on the right side of the right front vertical oil cylinder 10 and on the right side of the right rear vertical oil cylinder 10 Rod 14.

As shown in FIG. 4 , during the installation operation, the base plate 1 is installed on the CNC machine tool console, and the vertical oil cylinder 10 is connected to the oil pump through a pipeline.

When clamping the centralized power rotating arm, first hoist the centralized power rotating arm between the two guide rods for pre-positioning, and then place the centralized power rotating arm on the three support columns 2 for horizontal positioning. The front pushes the free end of the push rod 8, the push rod 8 pushes the rear end surface of the concentrated power rotating arm, and the right front arc lug plate of the concentrated power rotating arm is clamped to the V-shaped positioning port 5. Relying on the positioning column 3 on the left side, the front and rear direction positioning is performed. The right front circular ear plate of the centralized power rotating arm is tangent to the V-shaped positioning opening 5, and the left and right direction positioning is automatically completed. At the same time, the top wire 6 is pressed against the centralized power rotating arm. On the right end face, improve the stability of the left and right positioning structure of the concentrated power rotating arm, and then extend the piston rod of the vertical oil cylinder 10, the free end of the pressing arm 11 is pressed down, and the pressing arm 11 on the left side clamps and fixes the left side of the concentrated power rotating arm , The two pressing arms 11 located on the right side clamp and fix the front and rear ends of the right side of the concentrated power rotating arm, and finally start the CNC machine tool to start processing the concentrated power rotating arm.

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 (5)

1. Vertical processing anchor clamps of power rocking arm are concentrated to train, including the bottom plate, its characterized in that: three support columns which are arranged in a shape like a Chinese character 'pin' are arranged on a bottom plate, one support column is positioned on the left side of the bottom plate, the other two support columns are arranged on the right side of the bottom plate in a front-back mode, positioning columns are respectively arranged in front of the left support column and on the right side of the right support column on a base, a positioning block is arranged at the top of the right positioning column, a V-shaped positioning opening is formed in the rear end face of the positioning block, vertical cylinders are respectively arranged on the left side of the left support column and on the right side of the base, push rods are hinged to the top ends of the vertical cylinders, the free ends of the push rods are inclined towards the front lower side, a pressure spring is connected between the free ends of the push rods and the vertical columns, vertical oil cylinders are respectively arranged on the left side of the left support, and the middle part of the pressure arm is connected with the cylinder body of the corresponding vertical oil cylinder through a pin shaft.

2. The train concentrated power swivel arm vertical machining fixture of claim 1, characterized in that: vertical guide rods are respectively arranged on the right side of the right front vertical oil cylinder and the right side of the right rear vertical oil cylinder on the base.

3. The train concentrated power swivel arm vertical machining fixture of claim 1, characterized in that: the positioning block is L-shaped, the V-shaped positioning port is arranged on the right-angle edge of the front side of the positioning block, and the right-angle edge of the right side of the positioning block is provided with a jackscrew perpendicular to the right-angle edge of the positioning block through threads.

4. The train concentrated power swivel arm vertical machining fixture of claim 1, characterized in that: and an adjusting bolt perpendicular to the free end of the pressure arm is mounted at the free end of the pressure arm through threads.

5. The train concentrated power swivel arm vertical machining fixture of claim 1, characterized in that: the push rod is arc-shaped.

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