CN205290183U - Minibus welding jig pressure arm formula clamping device - Google Patents

Abstract

The utility model discloses a minibus welding jig pressure arm formula clamping device, the platform is supported by the underframe, sets up the operation panel in an angle department of platform top surface, and the operation panel has the bottom plate, vertical fixation pillar on the bottom plate, the top of pillar sets up the roof, is equipped with the baffle on the horizontal plate of roof, and first locating hole and four seconds location hole separated are opened to the baffle, the mid -mounting support of platform sets up the cylinder on the riser of this support upper end, the piston rod of cylinder is articulated with the one end of pressure arm, sets up two briquettings in the bottom surface of pressure arm, fixes on the top surface of riser with briquetting matched with locating piece, set up the supporting shoe on the face on riser upper portion, installing electrodes guide block on the top surface of this supporting shoe, the fixed stay has the backing plate on the electrode guide block, is equipped with the connecting block directly over the backing plate. The utility model discloses clamping position's firm nature is good, takes place in the time of effectively preventing operating button to rock, when reducing staff intensity of labour, has effectively improved welding efficiency.

Description

Compression arm clamping device for van welding fixture

technical field

The utility model belongs to the technical field of tooling fixtures, in particular to a pressing arm type clamping device for a van welding fixture.

Background technique

The D-pillar of the van is set on the side of the vehicle body, and it plays a vital role in the safety performance of the side structure of the van. The D-pillar of a van is generally composed of the lower outer panel assembly of the D-pillar and the upper outer panel of the D-pillar. When welding, it is usually completed in three processes, namely: 1) welding the lower outer panel assembly of the D-pillar; 2) welding the D-pillar The lower outer panel assembly is welded together with the upper outer panel of the D-pillar; 3) Repair welds. The first process and the second process of van D-pillar welding have special fixtures for clamping and positioning, and the third process is often carried out directly with the fixture of the second process after the completion of the second process. Due to the fixture structure of the second process Complicated, there are many clamping and positioning positions for the lower outer panel assembly of the D-pillar and the upper outer panel of the D-pillar. The welding place is covered by the fixture in the second process, and after the workpiece is removed, it needs to be repaired again. The negligence of the staff can easily cause missing welding. Not only is the welding quality difficult to guarantee, but it also fails to meet the requirements of consistent production. In addition, the panel that controls the action of the fixture is usually supported on the ground by a bracket, which is far away from the fixture, making it inconvenient for the staff to operate, time-consuming and labor-intensive.

Utility model content

The technical problem to be solved by the utility model is to provide a pressing arm type clamping device of a van welding fixture with a simple structure and reliability.

The technical scheme of the utility model is as follows: a pressing arm type clamping device for a van welding fixture, characterized in that the platform is supported by a bottom frame, the bottom frame is a square frame structure, and four corners at the bottom of the bottom frame are provided with Booster seat, the top surface of the booster seat fixedly supports the bottom surface of the corresponding corner of the bottom frame, and rollers are installed under each booster seat, two of the four rollers under the bottom frame are universal wheels, and the other two are directional wheels ;

An operating platform is arranged at a corner of the top surface of the platform, the operating platform has a base plate, and three installation holes distributed in an isosceles triangle are opened at one end of the base plate, bolts pass through the installation holes and extend into the platform, and the base plate and The platform is fixed together; the other end of the bottom plate is vertically fixed with a pillar, which is a channel steel, and there is a corresponding gap on the bottom plate corresponding to the pillar-shaped groove, and a top plate is set on the top of the pillar, and the top plate is " L” shape, composed of a horizontal plate and a vertical plate, the vertical plate of the top plate is fit and fixed to the pillar, one end of the horizontal plate of the top plate is opened with a first positioning hole, and the other end of the horizontal plate of the top plate is opened with four rectangles. distributed second positioning holes;

A partition is arranged on the horizontal board of the top board, the partition is perpendicular to the horizontal board of the top board, the bottom of the partition is welded with the horizontal board of the top board, and the partition board connects the first positioning hole and the four second positioning holes. The holes are separated; the power button is installed in the first positioning hole, the bottom of the power button is provided with a rubber stub, and the rubber stub at the bottom of the power button extends into the first positioning hole, and the two are closely matched. The cylinder action button is installed in the second positioning hole, and the structure and installation method of the cylinder action button are the same as the power button;

A support is installed in the middle of the platform, the upper end of the support is fixed to the lower end of the vertical plate, a cylinder is arranged on one side of the vertical plate, and the piston rod of the cylinder stretches out vertically upwards, and is connected to the vertical plate through the hinge seat. One end of the pressing arm is hinged, and the position of the pressing arm close to the hinge seat is hinged with the vertical plate. Two pressing blocks are arranged on the bottom surface of the pressing arm along its length direction, and the positioning block matched with the pressing block is fixed on the vertical plate. top surface;

A support block is arranged on the upper surface of the vertical plate, an electrode guide block is installed on the top surface of the support block, a backing plate is fixedly supported on the electrode guide block, the backing plate is parallel to the platform, and is directly above the backing plate A connecting block is provided, which is "L" shaped, and the longitudinal arm of the connecting block is fixed to the pressing arm.

Using the above technical scheme, the third process fixture is specially made to adapt to the repair welding process of van D-pillar welding. After the assembly of the lower outer panel of the van D-pillar and the upper outer panel of the D-pillar are welded, they are placed on the third process fixture as a whole. The piston rod of the cylinder moves upwards to rotate the pressing arm until the two pressing blocks on the pressing arm match the two positioning blocks on the vertical plate, clamping the front of the D-pillar of the van, and matching the rear end of the platform. The pneumatic rear pressing mechanism can realize the accurate and reliable positioning of the D-pillar of the van, so as to ensure that the D-pillar of the van is fixed during the welding spot repair process, which not only ensures the accuracy of the welding spot position, but also effectively reduces the The operation is simple and fast, which can greatly improve the welding efficiency.

The electrode guide block on the vertical plate plays the role of electrode guide. The electrode guide block is clamped between the support block and the backing plate, which has good stability; at the same time, a clamping space is formed between the backing plate and the connecting block, and the D-pillar of the van The front part of the car can play the role of auxiliary pressing and positioning, so as to further improve the reliability of the positioning of the D-pillar of the van.

The third process fixture is equipped with two cylinders, the control buttons of these two cylinders are arranged on the top plate of the operation table, specifically: the first positioning hole on the horizontal plate of the top plate is used for installing the power button, and the four second positioning holes are used for For the installation of cylinder action buttons, the four cylinder action buttons form a group of two to control the air intake and output of the cylinder respectively. The control buttons of the cylinder are arranged centrally and clearly on the top plate, which is convenient for the staff to identify and operate. The first positioning hole and the four second positioning holes are separated by a partition, so that different operating areas are formed on both sides of the partition, the side of the first positioning hole is the power operation area, and the side of the second positioning hole is the cylinder In the action operation area, the staff's hands are located in different operation areas for manipulation, which can effectively avoid misoperation. Each control button is tightly fitted and fixed with the corresponding positioning hole through the rubber short column at the bottom, and the assembly operation can be completed in one shot, which is simple and labor-saving; the control button of the cylinder is arranged on the corner of the fixture platform, and the staff can place the workpiece sideways It can be operated, which greatly reduces the difficulty of the operation of the staff and effectively improves the processing efficiency.

The bottom plate of the operating table is fixed to the fixture platform of the third process through three bolts passing through its mounting holes, which is convenient for disassembly and assembly, and the connection is firm and reliable. The pillars made of channel steel are used to connect the bottom plate and the top plate. The material of the pillars is convenient, the cost is low, and the structural strength is good, and it is not easy to be deformed or damaged. The stability of supporting the top plate is good, which can effectively prevent shaking when the button is operated. There are notches on the bottom plate corresponding to the positions of the pillar-shaped grooves, which can not only save materials, but also facilitate the alignment of the pillars and the bottom plate when they are assembled. The top plate is "L" shape, on the one hand, the shape is simple and easy to process; on the other hand, the contact area between the top plate and the column is large, and the reliability of the connection between the two is guaranteed. A square frame is set under the platform, which can increase the structural strength of the platform and prevent the platform from being deformed or damaged. The device moves to change position as desired.

Preferably, the cross-section of the pillar is "U"-shaped.

Preferably, the top plate is stamped and formed from a steel plate.

Beneficial effects: the utility model is easy to operate and has good clamping and positioning reliability. Not only are the control buttons of the cylinder arranged centrally and clearly on the top plate, which is conducive to the identification and operation of the staff, but also the connection between the console and the platform is firm, and the operation platform is stable. Good performance, can effectively prevent the shaking when operating the button, and effectively improve the welding efficiency while reducing the labor intensity of the staff; Misuse.

Description of drawings

Fig. 1 is a schematic layout of the utility model.

Figure 2 is a schematic structural view of the console.

Fig. 3 is a schematic diagram of the arrangement of the pressing arm, the pressing block and the positioning block.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

As shown in Figures 1 and 2, the platform 4 is rectangular and supported by a bottom frame 5, which is a square frame structure, and the bottom frame 5 and the platform 4 are welded and fixed. All be provided with booster seat 6 at four corners of base frame 5 bottoms, the top surface of booster base 6 fixedly supports the bottom surface of bottom frame 5 corresponding corners, and roller 7 is installed below each booster base 6, and the bottom surface of base frame 5 below Two of the four rollers 7 are universal wheels, and the other two are directional wheels, so that the whole device moves and is positioned at the desired position.

As shown in FIGS. 1 and 2 , an operating platform is provided at a corner of the top surface of the platform 4 . One end of the base plate 1 is provided with three mounting holes 1a distributed in an isosceles triangle, and bolts are inserted in each mounting hole 1a to fix the base plate 1 on the platform. The other end of the base plate 1 is vertically fixed with a pillar 2, and the pillar 2 is a channel steel. Preferably, the cross section of the pillar 2 is "U" shaped, and the lower end of the pillar 2 is welded to the bottom plate 1 . A corresponding notch 1b is formed on the bottom plate 1 corresponding to the groove of the pillar 2. In this embodiment, the notch 1b is in the shape of a "U".

As shown in Fig. 1 and Fig. 2, a top plate 3 is set on the top of the pillar 2, the top plate 3 is "L" shaped, composed of a horizontal plate and a vertical plate, and the top plate 3 is formed by stamping a steel plate. The vertical plate of the top plate 3 fits with the pillar 2 and is fixed by welding. The horizontal plate of the top plate 3 is parallel to the base plate 1, and one end of the horizontal plate of the top plate 3 has a first positioning hole 3a, and the other end of the horizontal plate of the top plate 3 has four second positioning holes 3b distributed by rectangles. A partition B is arranged on the horizontal plate of the top plate 3 , the partition B is preferably a steel plate, and is perpendicular to the horizontal plate of the top plate 3 . The bottom end of the partition B is welded to the horizontal plate of the top plate 3, and the partition B separates the first positioning hole 3a and the four second positioning holes 3b.

As shown in Figure 1 and Figure 2, the power button A is installed in the first positioning hole 3a, the bottom of the power button A is provided with a rubber stub, and the rubber stub at the bottom of the power button A extends into the first positioning hole 3a, The two fit together tightly. A cylinder action button is installed in each second positioning hole 3b. The structure and installation method of the air cylinder action button are the same as those of the power button A, and will not be repeated here. The four cylinder action buttons form a group of two to control the air intake and air output of the cylinder respectively.

As shown in Figures 1 and 3, a support M is installed in the middle of the platform 4, the support M is "L" shaped, and is fixed to the platform 4 by bolts. A vertical plate N is set on the support M, the vertical plate N is perpendicular to the platform 4, the lower end of the vertical plate N is fitted with the upper end of the support M, and the vertical plate N is fixed to the support M by a plurality of bolts. A cylinder L is arranged on one side of the vertical plate N, the cylinder body of the cylinder L is fixedly connected with the vertical plate N, the piston rod of the cylinder L protrudes vertically upwards, and is hinged with one end of the pressing arm O through a hinge seat. The pressing arm O is hinged to the vertical plate N near the hinge seat. Two pressing blocks P are arranged on the bottom surface of the pressing arm O along the length direction of the pressing arm O. The two pressing blocks P are fixed to the pressing arm O by bolts. Two positioning blocks Q are installed on the top surface of the vertical plate N, and the two positioning blocks Q correspond to the two pressing blocks P one by one.

As shown in Figure 1 and Figure 3, a support block R is set on the upper surface of the vertical plate N, the support block R is fixed to the vertical plate N, and the electrode guide block S is fixedly installed on the top surface of the support block R, and the electrode guide The block S is preferably in the shape of a flat "mountain". A backing plate T is fixedly supported on the electrode guide block S, and the backing plate T is parallel to the platform 4 . A connection block U is arranged directly above the backing plate T, and the connection block U is "L"-shaped and consists of a longitudinal arm and a transverse arm. The connecting block U is located between the two pressing blocks P, and the longitudinal arm of the connecting block U is fixed to the pressing arm O. When the front of the D-pillar of the van is placed between the two pressing blocks P and the two positioning blocks Q, the piston rod of the cylinder L drives the pressing arm O to rotate, so that the front of the D-pillar of the van can be clamped on the pressing block The clamping space formed between P and the positioning block Q, and between the backing plate T and the connecting block U presses the corresponding part of the D-pillar of the van, cooperates with the front and rear support devices on the platform and the pneumatic rear pressure set at the rear end of the platform The tight mechanism can realize the accurate and reliable positioning of the D-pillar of the van.

Claims (3)

1. A van welding fixture pressing arm type clamping device is characterized in that: the platform (4) is supported by a bottom frame (5), and the bottom frame (5) is a square frame structure, and the four bottom frames at the bottom of the bottom frame (5) Each corner is provided with a booster seat (6), the top surface of the booster seat (6) is fixedly supporting the bottom surface of the corresponding corner of the bottom frame (5), and rollers (7) are installed under each booster seat (6), Two of the four rollers (7) below the bottom frame (5) are universal wheels, and the other two are directional wheels; An operating platform is arranged at a corner of the top surface of the platform (4), and the operating platform has a bottom plate (1), and three installation holes (1a) distributed in an isosceles triangle are opened at one end of the bottom plate (1), and the bolts pass through Through the installation hole (1a) and into the platform (4), the bottom plate (1) and the platform (4) are fixed together; the other end of the bottom plate (1) is vertically fixed with a pillar (2), and the pillar (2) is Channel steel, the position corresponding to the pillar (2) groove on the base plate (1) has a notch (1b) matching it, the top of the pillar (2) is provided with a top plate (3), and the top plate (3) is "L" shape, composed of a horizontal plate and a vertical plate, the vertical plate of the top plate (3) fits and fixes with the pillar (2), and one end of the horizontal plate of the top plate (3) has a first positioning hole (3a) , the other end of the top plate (3) horizontal plate has four second positioning holes (3b) distributed in a rectangle; A partition (B) is arranged on the horizontal board of the top board (3), the partition board (B) is perpendicular to the horizontal board of the top board (3), and the bottom of the partition board (B) is horizontal to the top board (3). The plates are welded, and the partition (B) separates the first positioning hole (3a) from the four second positioning holes (3b); the power button (A) is installed in the first positioning hole (3a), the The bottom of the power button (A) is provided with a rubber stub, and the rubber stub at the bottom of the power button (A) extends into the first positioning hole (3a). Both are equipped with a cylinder action button, the structure and installation method of the cylinder action button are the same as the power button (A); A support (M) is installed in the middle part of the platform (4), the upper end of the support (M) is fixed with the lower end of the vertical plate (N), and one side of the vertical plate (N) is provided with a cylinder ( L), the piston rod of the cylinder (L) protrudes vertically upwards, and is hinged with one end of the pressing arm (O) through the hinge seat, and the position of the pressing arm (O) near the hinge seat is hinged with the vertical plate (N), Two pressing blocks (P) are arranged on the bottom surface of the pressing arm (O) along its length direction, and the positioning block (Q) matched with the pressing block (P) is fixed on the top surface of the vertical plate (N); A support block (R) is arranged on the upper surface of the vertical plate (N), and an electrode guide block (S) is installed on the top surface of the support block (R), and a backing plate is fixedly supported on the electrode guide block (S) (T), the backing plate (T) is parallel to the platform (4), and a connection block (U) is provided directly above the backing plate (T), the connection block (U) is "L" shaped, and the connection block ( The longitudinal arm of U) is fixed to the pressing arm (O). 2. The pressing arm type clamping device of the van welding jig according to claim 1, characterized in that: the cross section of the pillar (2) is "U" shaped. 3. The pressing arm type clamping device of the van welding jig according to claim 1, characterized in that: the top plate (3) is formed by stamping a steel plate.