CN111843440A - Upper pressing device of water chamber pressing machine - Google Patents

Abstract

The invention belongs to the production equipment of automobile parts in the transportation industry, and particularly relates to a pressing device on a water chamber pressing machine. Place the vehicle radiator above the workbench, fix the compression cylinder on the top of the fixing plate 1, set a compression block on the periphery of the piston rod of the compression cylinder, fix the brake installation plate under the cylinder installation plate, and install the brake installation plate on the brake installation plate. There is a de-energized brake, a guide shaft is arranged at the center of the de-energized brake, a sucker magnet is arranged on the nut seat, and both ends of the ball screw are installed under the second fixed plate with a support seat. The working process of the device is controlled by PLC, the position is precise, and the control reliability is high. Each pressing cylinder can work independently or synchronously. The pressure of the pressing cylinder and the pressing block can be adjusted. The movement positioning is fully automatic, the positioning is fully automatic, fast and reliable, so that the water chamber is evenly stressed during pressing and has a sealing performance. it is good. It has the advantages of wear resistance, oil resistance, good elasticity and long service life, which can effectively ensure the protection of the water chamber during the pressing process.

Description

Pressing device on water chamber press

technical field

The invention belongs to the production equipment of automobile parts in the transportation industry, and particularly relates to a pressing device on a water chamber pressing machine.

Background technique

The radiator is an important part of the vehicle's water cooling system. The function of the water chamber is to circulate the hot water in the hot water pipe to the radiator core, and then transport the water cooled by the radiator core to the hot water pipe. The water circulation dissipates the heat generated by the operation of the engine, which plays a very important role in protecting the normal operation of the vehicle and the engine. The existing water chamber pressing machine is mechanically pressed, the pressing force is not adjustable, the pressing cylinder and the pressing block move completely manually, and the positioning is not accurate, so that the water chamber is not uniformly stressed, and the working efficiency is low, which affects the sealing of the water chamber. performance and longevity.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above-mentioned technical deficiencies, and to provide a pressing device on a water chamber press with simple structure, adjustable pressing force of the pressing cylinder, uniform force and high working efficiency.

The technical scheme adopted by the present invention to solve the technical problem is as follows: the upper pressing device of the water chamber pressing machine includes a column, a workbench, a pressing cylinder, an upper beam, a lower beam, a power-loss brake, a nut seat, and a nut. The column, the upper beam, the lower beam and the inclined beam form a trapezoidal frame on the side of the upper end. The frame is placed above the workbench, and the vehicle radiator is placed above the workbench. The upper beam at the upper end of each column is fixed with a pad block. Plate 2, a vertical parallel rail pad is fixed under the fixed plate 2, two parallel sliders 1 are fixed under the fixed plate 2 inside the two vertical rail pads, and the slider 1 is placed in the two parallel linear guide rails 1. Linear guide rail 1 is fixed on the left and right ends of the cylinder mounting plate. There are multiple cylinder mounting plates in parallel. A fixing plate 1 is fixed above each cylinder installation plate. There is a pressing block on the periphery of the piston rod of the tightening cylinder. The second sliding block is fixed on the lower end surface of the guide pad. The second sliding block is placed in two parallel linear guide rails. The second middle moves left and right, the brake mounting plate is fixed under the cylinder mounting plate, the de-energized brake is installed on the brake installation plate, the guide shaft is set at the center of the de-energized brake, and the nut seat is installed on the inner side of the right rail pad. A nut is installed in the nut seat, the nut is threadedly connected to the ball screw, the ball screw drives the nut seat, a suction cup magnet is arranged on the nut seat, and the two ends of the ball screw are installed under the second fixed plate with support seats.

The beneficial effect of the invention is that the working process of the pressing device on the water chamber pressing machine is controlled by PLC, the position is precise, and the control reliability is high. Up to 6 pressing cylinders can be assembled, each pressing cylinder can work independently, or can be linked synchronously, the pressure of the pressing cylinder and the pressing block can be adjusted, the movement positioning is fully automatic, the positioning is fast and reliable, and the water chamber is Uniform force and good sealing performance. The back-end pressing ball screw moves with the slider two on the linear guide rail two, and the variable range of the size parameters of the pressing water chamber is large. The compression block is made of polyurethane polymer material, which has the advantages of wear resistance, oil resistance, good elasticity, high mechanical strength, and long service life, effectively ensuring the protection of the water chamber during the pressing process.

Description of drawings

Embodiments are described in detail below with reference to the accompanying drawings.

Figure 1 is a front view of the structure of the pressing device on the water chamber pressing machine.

FIG. 2 is a left side view of FIG. 1 .

FIG. 3 is a front view of the core structure in FIG. 1 .

FIG. 4 is a plan view of FIG. 3 .

FIG. 5 is a right side view of FIG. 3 .

FIG. 6 is an enlarged view of part I of FIG. 3 .

Fig. 7 is the control principle diagram of the pressing device on the water chamber pressing machine.

In the figure, 1-column; 2-table; 3-core; 3-1-left water chamber; 3-2-water chamber; 3-3-vertical plate; 3-4-sponge strip; 3-5- Right water chamber; 3-6-gasket; 3-7-dust cover; 3-8-plate; 3-9-water switch; 3-10-oil nozzle; 3-11-side plate pad; 3- 12-spring clip; 4-compression block; 5-cylinder mounting plate; 6-rear end pressure ball screw; 7-fixed plate one; 8-compression cylinder; 9-upper beam; 9-1-lower beam ; 9-2- inclined beam; 10- power-off brake; 11- brake mounting plate; 12- nut seat; 13- nut; 14- ball screw; 15- support seat; 16- pad; 17- fixing plate Two; 18-suction cup magnet; 19-linear guide two; 20-slider two; 21-rail pad; 22-slider one; 23-linear guideway one; 24-guide shaft.

Detailed ways

Embodiments, referring to Figures 1 to 6, the pressing device on the water chamber press is to fix three symmetrical uprights 1 on both sides of the upper side of the workbench 2, and the top of the upright The upper fixed side of the beam 9-1 is a trapezoidal bracket, and the bracket is composed of an upper beam 9 and an inclined beam 9-2. The vehicle radiator is placed on the workbench 2, the main board 3-3 is fixed on the upper and lower sides of the main core 3 of the vehicle radiator, the water chamber 3-2 is fixed on the upper main board 3-3, and the left end of the water chamber 3-2 Set the right water chamber 3-5, the right end of the water chamber 3-2 is provided with a dust cover 3-7, and use a sponge pad 3-4 and a rubber gasket 3-6 at the intersection of the main board 3-3 and the right water chamber 3-5 Sealing, the back of the core 3 is provided with a side plate pad 3-11, and the two sides of the core 3 are respectively provided with a gusset 3-8 and a spring clip 3-12. Below the core 3 is a left water chamber 3-1, a grease nozzle 3-10 and a water drain switch 3-9. Under the upper beam 9 at the upper end of each column 1, a second fixing plate 17 is installed through the pad block 16. The vertical parallel rail pads 21 are fixed under the second fixing plate 17, and the inner side of the two vertical rail pads 21 is fixed. Two parallel sliding blocks 1 22 are fixed under the second plate 17, the sliding block 1 22 is placed in two parallel linear guide rails 1 23, the linear guide rail 1 23 is fixed on the left and right ends of the cylinder mounting plate 5, and the cylinder mounting plates 5 are arranged in parallel 4. A fixing plate 1 7 is fixed above each cylinder mounting plate 5, and a pressing cylinder 8 is fixed on the upper surface of the fixing plate 1 7. A pressing block 4 is arranged on the periphery of the piston rod of the pressing cylinder 8 , and a second sliding block 20 is fixed on the lower end surface of the guide rail pad 21 . The second sliding block 20 is connected to the rear end pressing the ball screw 6 to move left and right in the second linear guide 19 . A brake mounting plate 11 is fixed under the cylinder mounting plate 5 , a power-loss brake 10 is mounted on the automatic machine mounting plate 11 , and a guide shaft 24 is provided at the center of the power-loss brake 10 . A nut seat 12 is installed on the inner surface of the right rail pad 21, and a nut 13 is installed in the nut seat 12. The nut 13 is threadedly connected to the ball screw 14, and the ball screw 14 drives the nut seat 12 to move left and right. The nut seat 12 is provided with a sucker magnet 18 , the two ends of the ball screw 14 are mounted under the second fixing plate 17 by the support seat 15 , and the upper part of the second fixing plate 17 is mounted under the upper beam 9 through the spacer 16 . Referring to Figure 7, the PLC control module controls the power supply in the control schematic diagram of the pressing device on the water chamber press, and the connection control emergency stop signal is valid; the emergency stop signal controls the emergency stop and system self-check, and the system self-check is connected when the emergency stop signal is valid In order to preload the powerless brake abnormally, the system self-checking is connected to control the inverter, the inverter is connected to control the servo motor, and the servo motor is connected to control the operation of the ball screw. The ball screw is connected to control the suction cup electromagnet and the de-energized brake to energize, and the suction cup electromagnet and the de-energized brake are energized and connected to control the operation of the ball screw. The power-off brake is powered off, the suction cup electromagnet and the power-off brake are powered off and the connection controls the pressing cylinder to work, press the water chamber and make multiple pressing cylinders reach the predetermined position, connect back to the frequency converter and the servo motor, and then press When the cylinder reaches the predetermined position, the electromagnet of the suction cup and the power-off brake are disconnected to control the operation of the ball screw.

The working principle of the present invention is as follows: in the previous process, the main board 3-6 and the core 3 have been welded together; the sealing gasket 3-1 and the water chamber 3-2 are placed in the groove of the main board 3-6, and the servo motor drives the rear end Press the ball screw 6 to rotate, and move the radiator core 3, the gasket 3-1 and the water chamber 3-6 to the left as a whole to the lower part of the upper pressing device through the movement of the second slider 20 in the second linear guide 19. 3. The left positioning stops; the servo motor drives the ball screw 14 to rotate, and the ball screw 14 drives the nut seat 12, the brake mounting plate 11, the suction cup electromagnet 18, and the nut 13 to move along the linear guide rail 1 23 to reach the hauling position. That is, the cylinder presses the position of the cylinder mounting plate 5 assembled by 8-1, the suction cup electromagnet 18 is energized, the powerless brake 10 on the cylinder mounting plate 5 is energized, the guide shaft 24 is loosened, the cylinder mounting plate 5 and the suction cup electromagnet are energized. 18 phase suction, the ball screw 14 continues to rotate, with the suction cup electromagnet 18 and the cylinder mounting plate 5 and the pressing cylinder 8 to the predetermined position along the linear guide 1 23, the suction cup electromagnet 18 is de-energized, loosen the cylinder installation Plate 5, the power-off brake 10 is powered off, the locking guide shaft 24 locks the position of the pressing cylinder 8, and the position adjustment of the first pressing cylinder 8 is completed. Repeat the above procedure to adjust other positions of the compression cylinders 8 to be adjusted. After all the compression cylinders 8 have reached the predetermined positions, input compressed air into the compression cylinders 8, and the piston rod drives the compression block 4 to move down, displacing the water chamber. 3-2 Press into the 3-6 groove of the main board on the radiator to complete the process of pressing the water chamber.

Claims (1)

1. A pressing device on a water chamber pressing machine comprises upright columns (1), a workbench (2), a pressing cylinder (8), an upper cross beam (9), a lower cross beam (9-1), a power-off brake (10), a nut seat (12) and nuts (13), and is characterized in that a frame with a trapezoidal upper end side is formed by the upright columns (1), the upper cross beam (9), the lower cross beam (9-1) and oblique beams (9-2), the frame is arranged above the workbench (2), a vehicle radiator is arranged above the workbench (2), a second fixing plate (17) is arranged below the upper cross beam (9) at the upper end of each upright column (1) through a cushion block (16), vertical parallel guide rail pads (21) are fixed below the second fixing plates (17) at the inner sides of the two vertical guide rail pads (21), two parallel first sliding blocks (22) are fixed below the second fixing plates (17) at the inner sides of the two vertical guide rail pads (21), the first sliding blocks (22) are arranged in the first parallel linear guide rails (23), the first linear guide rails (23) are fixed at the left end and the right end of the cylinder mounting plate (5), the cylinder mounting plates (5) are arranged in parallel, a first fixing plate (7) is fixedly arranged above each cylinder mounting plate (5), the pressing cylinder (8) is fixed on the first fixing plate (7), a pressing block (4) is arranged on the periphery of a piston rod of the pressing cylinder (8), a second sliding block (20) is fixed on the lower end face of the guide rail pad (21), the second sliding block (20) is arranged in the second parallel linear guide rails (19), the second sliding block (20) is connected with a rear end pressing ball screw (6) and moves left and right in the second linear guide rails (19), a brake mounting plate (11) is fixed below the cylinder mounting plates (5), a power-off brake (10) is arranged on the brake mounting plate (11), and a guide shaft (24) is arranged at the center of the power-off brake (10), a nut seat (12) is installed on the inner side face of the right guide rail pad (21), a nut (13) is installed in the nut seat (12), the nut (13) is in threaded connection with a ball screw (14), the ball screw (14) drives the nut seat (12), a sucker type magnet (18) is arranged on the nut seat (12), and two ends of the ball screw (14) are installed below a second fixing plate (17) through supporting seats (15).

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