CN205074881U - A wire drawing machine that is used for car to step on wire drawing of thick stick surface handling - Google Patents

Abstract

The utility model belongs to the technical field of the wire drawing machine, concretely relates to a wire drawing machine that is used for car to step on wire drawing of thick stick surface handling. The utility model discloses solve mainly that there is the drawing effects unstability in present wire drawing machine, drawing quality is unsecured and the problem of inefficiency. The utility model relates to a wire drawing machine that is used for car to step on wire drawing of thick stick surface handling, by workstation, frock clamping mechanism, feed drive mechanism, wire drawing mechanism, stop gear, circuit control and the gas circuit control group becomes, frock clamping mechanism is pressed from both sides tight block group with the back and is become by die clamping cylinder, optical axis ejector pin, three linear bearing, the tight piece of fore -clamp, a plurality of thick stick body fixed plate, T type spout, a plurality of T type slider, wire drawing mechanism comprises side position wire drawing subtotal chamfer wire drawing part, side position wire drawing part is divided into two stations again, and every station also is divided into two stations by two side position wire drawing mechanism symmetry installations, chamfer wire drawing, and every station is by two chamfer wire drawing mechanism symmetry installations.

Description

A wire drawing machine used for wire drawing treatment on the surface of automobile step bars

technical field

The utility model belongs to the technical field of wire drawing machines, in particular to a wire drawing machine used for wire drawing treatment on the surface of automobile step bars.

Background technique

At present, the conventional wire drawing machine generally uses rollers to rely on friction transmission to realize the feeding of the workpiece. The pressure of wire drawing is controlled by a screw. With the wear of the wire drawing wheel, the pressure of wire drawing changes, which will make the effect of wire drawing unstable. , the quality of wire drawing cannot be guaranteed, and because some manufacturers have low manufacturing precision and the transmission process is not very stable, it may cause some lateral movement of the workpiece, so that some vibration lines will be generated during the wire drawing process, which will greatly reduce the effect of wire drawing . Moreover, during the wire drawing process, there is a lot of dust, which must be adsorbed on the surface of the roller, so some damage may be caused to the wire drawing surface during the transmission process.

Utility model content

The utility model mainly aims at the problems of unstable drawing effect, unguaranteed drawing quality and low efficiency in the current drawing machine, and provides a drawing machine used for drawing treatment of the surface of automobile step bars.

The technical scheme that the utility model takes for solving the above problems is:

A wire drawing machine used for wire drawing treatment on the surface of automobile step bars, which consists of a workbench, a fixture clamping mechanism, a feed transmission mechanism, a wire drawing mechanism, a limit mechanism, circuit control and air circuit control. The workbench is composed of a frame, The working platform is composed of two driving guide rails, the working platform is set on the frame, and the two driving guide rails are set in the middle of the working platform in parallel;

The fixture clamping mechanism is composed of a clamping cylinder, an optical axis ejector rod, three linear bearings, a front clamping block, a plurality of lever body fixing plates, a T-shaped chute, a plurality of T-shaped sliders and a rear clamping block , the clamping cylinder is connected to the leftmost T-shaped slider through a bar body fixing plate and the clamping cylinder is installed above the leftmost T-shaped slider. The T-shaped slider is matched with the T-shaped chute. The T-shaped slider The groove is installed on the transmission table, one end of the optical axis ejector rod is connected with the piston rod of the clamping cylinder, the other end of the optical axis ejector rod is connected with the rear clamping block, and the rear clamping block is connected to a T-shaped slider connection, three linear bearings are worn on the optical axis ejector rod, each linear bearing is connected to a T-shaped slider through a lever body fixing plate, and the front clamping block is connected to a lever body fixing plate through a lever body fixing plate The T-shaped slider is connected and the front clamping block is located on the right side of the rear clamping block, and at least three T-shaped sliding blocks and bar body fixing plates are arranged between the rear clamping block and the front clamping block on the T-shaped chute ;

The feed transmission mechanism is composed of a transmission workbench, a plurality of transmission sliders, racks, a transmission gearbox, a worm gear reducer and a transmission motor. A plurality of transmission sliders are arranged under the transmission workbench, and the transmission sliders and the transmission The guide rails are matched, the transmission gearbox, the worm reducer and the transmission motor are all installed on the working platform and located under the transmission guide rail, the rack is connected to the transmission workbench, the transmission gearbox is matched with the rack, the transmission motor and the worm gear The input hole of the reducer is connected, and the output shaft of the worm gear reducer is connected with the transmission gearbox;

The wire drawing mechanism is composed of a side wire drawing part and a chamfered wire drawing part. The side wire drawing part is further divided into two stations, and each station is symmetrically installed by two side wire drawing mechanisms. Each side wire drawing mechanism It is composed of side drawing motor, side drawing motor mounting plate, multiple side drawing sliders, side drawing guide rails, multiple drawing guide rail mounting plates, adjusting screw, screw adjusting block, screw clamping block, fine-tuning Cylinder, fine-tuning cylinder connecting plate, pressure regulating valve, multiple wire drawing guide rail mounting plate connecting plate, multiple columns, screw wheel and wire drawing wheel. The side wire drawing motor is installed on the upper surface of the side wire drawing motor mounting plate. The lower surface of the wire drawing motor mounting plate is provided with four side wire drawing sliders, the side wire drawing sliders are matched with the side wire drawing guide rails, the side wire drawing guide rails are installed above the wire drawing guide rail mounting plate, and the wire drawing guide rail mounting plate is installed above the column , the column is installed on the frame and located above the frame, the two drawing guide rail mounting plates are connected by the drawing guide rail mounting plate connecting plate, the adjusting screw is connected with the lead screw adjustment block, and the lead screw adjustment block is installed on the drawing guide rail. Above the plate connection plate, the screw wheel is connected to one end of the adjusting screw, the screw clamp is installed above the side drawing motor mounting plate and connected to the other end of the adjusting screw, and the fine-tuning cylinder is installed on the drawing rail mounting plate Above the connecting plate, the connecting plate of the fine-tuning cylinder is connected with the piston rod of the fine-tuning cylinder and connected with the mounting plate of the side drawing motor. The pressure regulating valve is installed above the connecting plate of the mounting plate of the drawing guide rail. Connected with the side wire drawing motor;

The chamfering wire drawing is also divided into two stations, each station is installed symmetrically by two chamfering wire drawing mechanisms, and each chamfering wire drawing mechanism is composed of a chamfering wire drawing motor, a chamfering wire drawing motor mounting frame, and a mounting frame adjusting wire Rod, adjusting screw mounting plate, adjusting screw mounting plate connecting plate, multiple chamfering wire drawing sliders, chamfering wire drawing guide rail, chamfering adjustment screw, wire drawing guide rail mounting plate, screw adjustment block, screw clamp block, Fine-tuning cylinder, fine-tuning cylinder connecting plate, pressure regulating valve, drawing guide rail mounting plate connecting plate, multiple columns, screw wheel and drawing wheel, chamfering wire drawing motor is connected with chamfering wire drawing motor mounting frame, chamfering wire drawing motor is installed The frame is connected to the adjusting screw rod mounting plate through the mounting bracket, and four chamfering wire drawing sliders are set under the adjusting screw rod mounting plate. On the top of the guide rail mounting plate, the chamfering adjustment screw is connected with the screw adjustment block, the screw adjustment block is installed above the drawing rail mounting plate connecting plate, the screw wheel is connected with one end of the chamfering adjustment screw, and the chamfering adjustment The other end of the lead screw is connected with the lead screw clamp block, the lead screw clamp block is installed above the connecting plate of the adjusting screw mounting plate, the fine-tuning cylinder is installed above the connecting plate of the drawing guide rail mounting plate, the fine-tuning cylinder connecting plate and the piston of the fine-tuning cylinder The rod is connected and connected with the connecting plate of the adjusting screw mounting plate. The two drawing guide rail mounting plates are connected through the connecting plate of the drawing guide rail mounting plate. The pressure regulating valve is installed above the connecting plate of the drawing guide rail mounting plate. Connected with each other, the column is installed on the frame and located above the frame, and the wire drawing wheel is connected with the chamfering wire drawing motor;

The limit mechanism is composed of a front travel switch, a front travel switch mounting plate, a front travel switch mounting frame, a rear travel switch and a rear travel switch mounting plate, the front travel switch is installed on the front travel switch mounting plate, and the front travel switch mounting plate Installed on the front travel switch mounting frame, the front travel switch mounting frame is installed at the far right end of the frame, the rear travel switch is installed on the rear travel switch mounting plate, and the rear travel switch mounting plate is installed on the working platform and located on the chamfering wire drawing motor On the left side, the front travel switch is connected with the transmission motor, clamping cylinder, four side wire drawing motors and four chamfering wire drawing motors, and the rear travel switch is connected with the transmission motor;

The circuit control is composed of an electric control box part and an operation console control part. The electric control box part is composed of an electric control box and a frequency converter installed on the electric control box, a total emergency stop button, four side drawing motor buttons, four The chamfering wire drawing motor button is composed of a time relay. The main emergency stop button is connected to the external main power supply. The frequency converter is connected to the transmission motor to control the speed of the transmission motor. The four side wire drawing motor buttons control the four side wire drawing motors respectively. The four chamfering wire drawing motor buttons control the switches of the four chamfering wire drawing motors respectively, and the time relay is connected with the transmission motor, the wire drawing work button and the electromagnetic reversing valve;

The console control part is composed of drawing work button, emergency stop button 1, workbench return button and emergency stop button 2, among which the drawing work button and emergency stop button 1 are integrated button switch box and installed on the frame and located at the chamfer On the left side of the wire drawing motor, the workbench return button and the emergency stop button are integrated into a button switch box and installed on the frame and located on the right side of the side wire drawing motor. The wire drawing work button controls the rotation of the transmission motor and the side wire drawing motor and The rotation of the chamfering wire drawing motor, the transmission motor drives the transmission worktable to move to the wire drawing work direction, and controls the clamping cylinder to clamp through the electromagnetic reversing valve; the workbench return button controls the rotation of the transmission motor, and drives the transmission worktable to the direction of clamping the workpiece Moving, the emergency stop button one and the emergency stop button two can control the side wire drawing motor and the chamfering wire drawing motor to stop rotating and control the transmission motor to stop rotating.

The air circuit control consists of an electromagnetic reversing valve, a throttle valve and a pneumatic triple. The electromagnetic reversing valve and the pneumatic triple are installed at one end of the frame. The first path of air connected to the source enters the throttle valve through the pneumatic triple, and then enters the electromagnetic reversing valve through the throttle valve to control the clamping and loosening of the clamping cylinder; the second path of air connected from the air source A plurality of three-way joints are connected to the pressure regulating valve through the pneumatic triple piece, and then the pressure regulating valve controls the clamping force of the fine-tuning cylinder.

The utility model is used for the wire-drawing process of the wire-drawing machine used for the wire-drawing treatment of the surface of the automobile pedal, comprising the following steps:

(1), first turn on the main switch in the electric control box, and then turn on the two side wire drawing motor buttons of one station and the two chamfering wire drawing motor buttons of one station;

(2) Adjust the knob on the inverter to adjust the number on the display frequency of the inverter to;

(3) Select a matching clamping block according to the width of the drawing workpiece. After selecting the clamping block, connect the rear clamping block to the T-shaped slider through a bar body fixing plate. After installation, ensure that The rear clamping block can slide smoothly on the T-shaped chute, and then the front clamping block is connected with the T-shaped sliding block through a bar body fixing plate. Give the displacement dimension of the clamping action of the clamping cylinder. Finally, place the workpiece to be drawn on the bar body fixing plate between the front clamping block and the rear clamping block. The end of the drawing workpiece is against the front clamping block, and the The position of the drawing workpiece is adjusted;

(4) Press the drawing work button, at this time, the clamping cylinder clamps the workpiece to be drawn, and at the same time, the side drawing motor of one station and the chamfering drawing motor of one station start to work, and at the same time, by controlling the time relay, so that After 1.5 seconds, the transmission motor drives the transmission workbench to start moving to the wire drawing working direction, first enters the chamfering wire drawing motor, and then enters the side wire drawing motor, and the front clamping block stretches the tiny amount of activity of the fine-tuning cylinder to start wire drawing;

(5) When the transmission table collides with the front travel switch, the wire drawing of the workpiece is completed, the transmission table stops moving forward, the side wire drawing motor and the chamfering wire drawing motor stop working, the clamping cylinder is released, and the wire drawing is removed. finished workpiece;

(6) Press the return button of the workbench, the transmission motor drives the transmission workbench to start to return to the position where the workpiece is clamped, and when the contact on the front clamping block touches the rear travel switch, the transmission workbench stops and is ready to be loaded. A workpiece is stuck, so far, the wire drawing process of a workpiece is completed, and then the cycle is carried out;

(7) If the equipment fails or unexpected situations occur during work, you can press the emergency stop button 1 or emergency stop button 2 installed on the rack, or press the emergency stop button installed on the electric control box. Press the stop button to stop the device immediately.

The utility model adopts the above-mentioned technical scheme, the frame is a channel steel structure, and the motion trajectory is controlled by a plane bearing and a guide rail. At the same time, a 1.1KW motor controls the transmission gear and rack through a frequency converter, thereby realizing power transmission and making the workbench stable. Reliably realize the reciprocating movement of the main worktable, and the drawing motor adopts 8 sets of 3KW two-pole motors to realize the work of four stations, including two side drawing stations and two chamfering drawing stations. The workpiece clamping adopts the clamping method of pneumatic components, which makes the clamping reliable and the clamping convenient. The working stroke is controlled by the stroke switch, and the position of the stroke switch meeting is determined by the product, so that the machine realizes the most reasonable stroke and reduces useless work. Moreover, the interlocking performance of the two travel switches is good, and there will be no out-of-control phenomenon. The clamping block can be easily replaced according to different product specifications.

Specifically, the clamping mechanism of the tooling of the utility model is equipped with a clamping cylinder, three linear bearings of the optical axis ejector rod, a front clamping block, a plurality of lever body fixing plates, a T-shaped chute, a plurality of T-shaped sliders and a rear clamp. The clamping block pneumatically clamps the workpiece. During the clamping process, the speed of the clamping work is controlled by the throttle valve to clamp the workpiece smoothly, and the shape of the clamping block matches the shape of the workpiece head. It ensures the correct placement of the workpiece to be processed.

The feed transmission mechanism realizes reciprocating motion through the transmission motor, worm gear reducer, transmission gear, transmission rack, and the mobile table through plane bearings and sliding guide rails, while the working speed is adjustable by the frequency converter according to the working conditions, ensuring The reliability and maneuverability of the work are improved.

The side wire drawing mechanism is the main working part of the whole machine. This machine is equipped with two side wire drawing stations. Each station is composed of two 3KW two-pole motors 2800r/min. The feed control system of the station is composed of a screw The mechanism and the pneumatic fine-tuning mechanism realize the controllable secondary control of the wire drawing process. The screw mechanism is mainly responsible for fixing the position of the wire-drawing motor, while the pneumatic fine-tuning mechanism exerts a constant pressure on the wire-drawing motor to make the wire-drawing motor drive the wire-drawing wheel The linear speed of about 35 m/s draws the surface of the workpiece with a balanced pressure of about 10Kg, which ensures the stability of the work and the quality of the surface drawing. The pneumatic fine-tuning mechanism is composed of a pressure regulating valve and a cylinder through a clever combination to apply a constant pressure to the wire drawing mechanism composed of a motor, a plane bearing slider and a guide rail, thus ensuring the stability of the working pressure. The screw mechanism has a macro control on the position of the wire drawing mechanism. A gap groove of about 10mm is set on the mechanism. Within the control range of the gap groove, the fine-tuning mechanism exerts pressure, and this pressure depends on the working condition of the wire drawing wheel. The cylinder pressure is adjusted by the pressure regulating valve.

The chamfering wire drawing mechanism is also equipped with two stations, four motors 3KW, 2800r/min motor tilted at an angle of 45 degrees, and the relative position between the wire drawing wheel and the workpiece is adjusted through 6 adjusting screw rods to realize the wire drawing of the chamfering part. The stability of the drawing work is also realized through the screw mechanism and the cylinder fine-tuning mechanism, and its working principle is basically the same as that of the side drawing station.

The limit mechanism controls the relative moving position of the mobile worktable by two travel switches. The rear travel switch is fixed on the frame workbench. When returning, the front clamping end exits the drawing work area, and the closed contact is installed on the The front clamping end is easy to adjust and can be adjusted once when the product variety is replaced, and the work is reliable. The front travel switch is installed at the tail of the machine frame, using the side of the transmission workbench as a contact to control the travel precisely.

The circuit control part is equipped with an electric control box, which realizes the electric control of the machine. The electric control box is equipped with a main power control switch, and each group of motors is independently controlled, and three emergency stop switches are set to prevent unexpected situations during the work process. In the working part, a time relay is installed to ensure that after the control of the clamping action, the feeding mechanism has a time delay, which is convenient for the drawing motor to start and the speed is stable, ensuring the uniform drawing. The main function of the frequency converter is to adjust the feeding mechanism. According to the drawing situation, choose an optimal and reasonable speed to ensure the quality of drawing. The circuit operation of the whole machine is simple, safe and reliable.

The pneumatic triple in the pneumatic control part ensures the purity of the air source, the electromagnetic control valve controls the clamping and loosening of the workpiece, and the throttle valve controls the speed of the clamping cylinder to prevent the workpiece from being damaged; the pressure regulating valve and the pressure regulating cylinder are in the During the process of controlling the wire drawing, a constant pressure is applied to avoid the instability of the wire drawing surface caused by uneven pressure; the clamping cylinder plays a key role in positioning and clamping the workpiece.

Description of drawings

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

Fig. 2 is a structural schematic diagram of the workbench of the present utility model;

Fig. 3 is a schematic diagram of the frame structure of the utility model;

Fig. 4 is a structural schematic diagram of the clamping mechanism of the utility model;

Fig. 5 is the front view of the utility model feed transmission mechanism;

Fig. 6 is the left side view of Fig. 5 of the utility model;

Fig. 7 is the front view of the drawing mechanism of the utility model;

Fig. 8 is a top view of Fig. 7 of the present utility model;

Fig. 9 is a schematic diagram of the circuit control structure of the utility model.

detailed description

Example 1

A wire drawing machine used for wire drawing treatment on the surface of automobile step bars, as shown in Figure 1, consists of a workbench, tooling clamping mechanism, feed transmission mechanism, wire drawing mechanism, limit mechanism, circuit control and air circuit control, as shown in Figure 1 2 and 3, the workbench is composed of a frame 1, a work platform 2 and two transmission guide rails 3, the work platform 2 is arranged on the frame 1, and the two transmission guide rails 3 are arranged in the middle of the work platform 2 in parallel ;

As shown in Figure 4, the fixture clamping mechanism consists of a clamping cylinder 4, an optical axis ejector rod 5, three linear bearings 6, a front clamping block 7, a plurality of lever body fixing plates 8, a T-shaped chute 9, Composed of a plurality of T-shaped sliders 10 and a rear clamping block 11, the clamping cylinder 4 is connected to the leftmost T-shaped slider 10 through a bar body fixing plate 8 and the clamping cylinder 4 is installed on the leftmost T-shaped slider Above 10, the T-shaped slider 10 is matched with the T-shaped chute 9, and the T-shaped chute 9 is installed on the transmission table 12. One end of the optical axis ejector rod 5 is connected with the piston rod of the clamping cylinder 4, and the optical axis The other end of the ejector rod 5 is connected with the rear clamping block 11, and the rear clamping block 11 is connected with a T-shaped slider 10 through a lever body fixing plate 8, and the three linear bearings 6 are all worn on the optical axis ejector rod 5 , each linear bearing 6 is connected to a T-shaped slider 10 through a bar body fixing plate 8, and the front clamping block 7 is connected to a T-shaped slider 10 through a bar body fixing plate 8, and the front clamping block 7 is located at On the right side of the rear clamping block 11, at least three T-shaped sliders 10 and bar body fixing plates 8 are arranged between the rear clamping block 11 and the front clamping block 7 on the T-shaped chute 9;

As shown in Figures 5 and 6, the feed transmission mechanism is composed of a transmission table 12, a plurality of transmission sliders 13, a rack 14, a transmission gearbox 15, a worm gear reducer 16 and a transmission motor 17, and the transmission work A plurality of transmission sliders 13 are arranged below the table 12, and the transmission sliders 13 are matched with the transmission guide rail 3 for use. Below, the rack 14 is connected to the transmission table 12, the transmission gear box 15 is matched with the rack 14, the transmission motor 17 is connected to the input hole of the worm gear reducer 16, and the output shaft of the worm gear reducer 16 is connected to the transmission gear box 15 connect;

As shown in Figure 7 and Figure 8, the wire drawing mechanism is composed of a side wire drawing part and a chamfered wire drawing part, and the side wire drawing part is divided into two stations, and each station consists of two side wire drawing mechanisms Symmetrically installed, each side drawing mechanism is composed of a side drawing motor 18, a side drawing motor mounting plate 19, a plurality of side drawing sliders 20, a side drawing guide rail 21, a plurality of drawing guide rail mounting plates 22, adjustment Lead screw 23, lead screw adjustment block 24, lead screw clamp block 25, fine-tuning cylinder 26, fine-tuning cylinder connecting plate 27, pressure regulating valve 28, multiple drawing guide rail mounting plate connecting plate 29, multiple columns 30, lead screw runner 31 and the wire drawing wheel 62, the side wire drawing motor 18 is installed on the upper surface of the side wire drawing motor mounting plate 19, and the lower surface of the side wire drawing motor mounting plate 19 is provided with four side wire drawing sliders 20, the side wire drawing sliders 20 is matched with the side drawing guide rail 21, the side drawing guide rail 21 is installed above the drawing guide rail mounting plate 22, the drawing guide rail mounting plate 22 is installed above the column 30, and the column 30 is installed on the frame 1 and is located above the frame 1 , the two drawing guide rail mounting plates 22 are connected by the drawing guide rail mounting plate connecting plate 29, the adjusting screw 23 is connected with the lead screw adjusting block 24, and the leading screw adjusting block 24 is installed on the top of the drawing guide rail mounting plate connecting plate 29, and the wire The bar runner 31 is connected with one end of the adjusting lead screw 23, the lead screw clamp 25 is installed on the top of the side drawing motor mounting plate 19 and connected with the other end of the adjusting lead screw 23, and the fine-tuning cylinder 26 is installed on the drawing guide rail mounting plate for connection Above the plate 29, the fine-tuning cylinder connecting plate 27 is connected with the piston rod of the fine-tuning cylinder 26 and connected with the side wire drawing motor mounting plate 19, and the pressure regulating valve 28 is installed on the top of the drawing guide rail mounting plate connecting plate 29, and the pressure regulating valve 28 is connected with the fine-tuning The cylinders 26 are connected, and the wire drawing wheel 62 is connected with the side wire drawing motor 18;

The chamfering wire drawing is also divided into two stations, and each station is symmetrically installed by two chamfering wire drawing mechanisms, and each chamfering wire drawing mechanism is composed of a chamfering wire drawing motor 32, a chamfering wire drawing motor mounting frame 33, a mounting frame Adjusting screw mandrel 34, adjusting screw mandrel mounting plate 35, adjusting screw mandrel mounting plate connecting plate 36, a plurality of chamfering wire drawing sliders 37, chamfering wire drawing guide rail 38, chamfering adjustment screw 39, wire drawing guide rail mounting plate 22, wire Bar adjustment block 24, leading screw clamp block 25, fine-tuning cylinder 26, fine-tuning cylinder connecting plate 27, pressure regulating valve 28, wire drawing guide rail mounting plate connecting plate 29, a plurality of columns 30, leading screw runner 31 and wire drawing wheel 62 are formed, The chamfering wire drawing motor 32 is connected with the chamfering wire drawing motor mounting frame 33, and the chamfering wire drawing motor mounting frame 33 is connected with the adjusting screw rod mounting plate 35 through the mounting frame adjusting screw rod 34, and four chamferings are arranged below the adjusting screw rod mounting plate 35 Drawing slide block 37, chamfering drawing drawing slide block 37 is matched with chamfering drawing guide rail 38 and uses, and chamfering drawing guide rail 38 is installed on the top of drawing guide rail mounting plate 22, and chamfering adjustment lead screw 39 is connected with lead screw adjustment block 24, and wire The bar adjustment block 24 is installed on the top of the wire drawing guide rail mounting plate connecting plate 29, the leading screw runner 31 is connected with an end of the chamfering adjustment leading screw 39, and the other end of the chamfering adjustment leading screw 39 is connected with the leading screw clamp block 25, Lead screw clamp block 25 is installed on the top of adjusting screw rod mounting plate connecting plate 36, and fine-tuning cylinder 26 is installed on the top of wire drawing guide rail mounting plate connecting plate 29, and fine-tuning cylinder connecting plate 27 is connected with the piston rod of fine-tuning cylinder 26 and with adjusting screw rod The mounting plate connecting plate 36 is connected, and the two drawing guide rail mounting plates 22 are connected by the drawing guide rail mounting plate connecting plate 29. The pressure regulating valve 28 is installed on the top of the drawing guide rail mounting plate connecting plate 29 and the pressure regulating valve 28 is connected to the fine-tuning cylinder 26. connected, the column 30 is installed on the frame 1 and is located above the frame 1, and the wire drawing wheel 62 is connected with the chamfering wire drawing motor 32;

As shown in Figure 9, described limit mechanism is made up of front travel switch 40, front travel switch mounting plate 41, front travel switch mounting bracket 42, rear travel switch 43 and rear travel switch mounting plate 44, and front travel switch 40 is installed on On the front travel switch mounting plate 41, the front travel switch mounting plate 41 is installed on the front travel switch mounting frame 42, the front travel switch mounting frame 42 is installed on the rightmost end of the frame, and the rear travel switch 43 is installed on the rear travel switch mounting plate 44 , the rear stroke switch mounting plate 44 is installed on the working platform 2 and is located on the left side of the chamfering wire drawing motor 32, the front stroke switch 40 is connected with the transmission motor 17, the clamping cylinder 4, the four side wire drawing motors 18 and the four chamfering The drawing motor 32 is connected, and the rear travel switch 43 is connected with the transmission motor 17;

As shown in Figure 9, described circuit control is made up of electric control box part and console control part, and electric control box part is by electric control box 63 and the frequency converter 45 that is installed on the electric control box 63, total emergency stop button 46, Four side wire drawing motor buttons 47-50, four chamfering wire drawing motor buttons 51-54 and time relay 64 are composed, the total emergency stop button 46 is connected with the external main power supply, and the frequency converter 45 is connected with the transmission motor 17 to control The rotating speed of transmission motor 17, four side position wire drawing motor buttons 47-50 control the switch of four side position wire drawing motors 18 respectively, four chamfering wire drawing motor buttons 51-54 control the switch of four chamfering wire drawing motors 32 respectively, The time relay 64 is connected with the transmission motor 17, the drawing work button 55 and the electromagnetic reversing valve 59;

The console control part is composed of drawing work button 55, emergency stop button 1 56, workbench return button 57 and emergency stop button 2 58, wherein drawing work button 55 and emergency stop button 1 56 are integrated button switch box and installed on the machine On the frame 1 and located on the left side of the chamfering wire drawing motor 32, the workbench return button 57 and the emergency stop button 2 58 are integrated button switch boxes and are installed on the frame 1 and located on the right side of the side wire drawing motor 18, and the wire drawing The working button 55 controls the rotation of the transmission motor 17 and the rotation of the side wire drawing motor 18 and the chamfering wire drawing motor 32. The transmission motor 17 drives the transmission table 12 to move to the wire drawing working direction, and controls the clamping cylinder 4 through the electromagnetic reversing valve 59. Tight; the workbench return button 57 controls the rotation of the transmission motor 17, drives the transmission workbench 12 to move towards the direction of the clamping workpiece, the emergency stop button 1 56 and the emergency stop button 2 58 can control the side wire drawing motor 18 and the chamfering wire drawing motor 32 Stop rotating and control transmission motor 17 to stop rotating.

As shown in Figure 1, the air circuit control consists of an electromagnetic reversing valve 59, a throttle valve 60 and a pneumatic triple piece 61. The electromagnetic reversing valve 59 and the pneumatic triple piece 61 are installed at one end of the frame 1, and the throttle valve 60 is installed At the pressure input port of the electromagnetic reversing valve 59, the first air from the air source enters the throttle valve 60 through the pneumatic triple piece 61, and then enters the electromagnetic reversing valve 59 through the throttle valve 60 to control clamping. Clamping and loosening of the cylinder 4; the second air from the air source enters multiple three-way joints through the pneumatic triple piece 61 to connect to the pressure regulating valve 28, and then the pressure regulating valve 28 controls the clamping effect of the fine-tuning cylinder 26 force.

The specific wire drawing process includes the following steps:

1. First turn on the main switch in the electric control box, and then turn on the two side drawing motor buttons 47-48 of one station and the two chamfering drawing motor buttons 51-52 of one station;

2. Adjust the knob on the inverter 45, and adjust the number on the inverter display frequency to 20;

3. Select a pair of clamping blocks that match the size according to the width of the drawing workpiece. After selecting the clamping block, connect the rear clamping block 11 with the T-shaped slider 10 through a bar body fixing plate 8. After installation Ensure that the rear clamping block 11 can slide smoothly on the T-shaped chute 9, and then connect the front clamping block 7 with the T-shaped slider 10 through a bar body fixing plate 8, and adjust the front clamping block according to the length of the workpiece to be drawn. Tighten the block 7, and leave the displacement dimension for the clamping action of the clamping cylinder 4, and finally place the workpiece to be drawn on the bar body fixing plate 8 between the front clamping block 7 and the rear clamping block 11, and draw the workpiece The end of the wire is leaned against the front clamping block 7, and the position of the drawing workpiece is corrected;

4. Press the wire drawing work button 55. At this time, the clamping cylinder 4 clamps the workpiece to be wire drawn. At the same time, the side wire drawing motor 18 of one station and the chamfering wire drawing motor 32 of one station start to work. After 1.5 seconds, the transmission The motor 17 drives the transmission workbench 12 to start moving towards the wire drawing working direction, first enters the chamfering wire drawing motor 32, and then enters the side wire drawing motor 18, and the front clamping block 7 stretches the tiny amount of activity of the fine-tuning cylinder 26 to start wire drawing;

5. When the transmission table 12 collides with the front travel switch 40, the wire drawing of the workpiece is completed, the transmission table 12 stops moving forward, the side wire drawing motor 18 and the chamfering wire drawing motor 32 stop working, and the clamping cylinder 4 is released and removed. Finished workpiece after wire drawing;

6. Press the workbench return button 57, the transmission motor 17 drives the transmission workbench 12 to start to return to the position where the workpiece is clamped, and when the bump on the front clamping block 7 collides with the rear travel switch 43, the transmission workbench 12 stops moving back , ready to clamp the next workpiece, so far, the drawing process of a workpiece is over, and then it will be cycled;

7. If the equipment fails or unexpected situations occur during work, you can press the emergency stop button 1 56 or emergency stop button 2 58 installed on the frame 1, or press the main switch installed on the electric control box. The emergency stop button 46 can make the equipment stop running immediately.

Claims (1)

1. step on the wire drawing machine of thick stick surface wire drawing process for automobile for one kind, it is characterized in that being become with gas circuit control group by workbench, tooling clamping mechanism, feeding drive mechanism, wire-drawing mechanism, position-limit mechanism, control circui, described workbench is made up of frame (1), workbench (2) and two drive rail (3), workbench (2) is arranged in frame (1), and two drive rail (3) are set in parallel in the centre of workbench (2);

Described tooling clamping mechanism is by clamping cylinder (4), optical axis push rod (5), three linear bearings (6), front clamp block (7), multiple thick stick body fixed head (8), T-shaped chute (9), multiple T-shaped slide blocks (10) and rear clamp (11) composition, clamping cylinder (4) to be connected with the T-shaped slide block (10) of high order end by a thick stick body fixed head (8) and clamping cylinder (4) is installed on the top of the T-shaped slide block (10) of high order end, T-shaped slide block (10) mates with T-shaped chute (9) and uses, T-shaped chute (9) is installed on transmission workbench (12), one end of optical axis push rod (5) is connected with the piston rod of clamping cylinder (4), the other end of optical axis push rod (5) is connected with rear clamp (11), rear clamp (11) is connected with a T-shaped slide block (10) by a thick stick body fixed head (8), three linear bearings (6) are all through on optical axis push rod (5), each linear bearing (6) is connected with a T-shaped slide block (10) by a thick stick body fixed head (8), front clamp block (7) to be connected with a T-shaped slide block (10) by a thick stick body fixed head (8) and front clamp block (7) is positioned at the right side of rear clamp (11), T-shaped chute (9) is positioned between rear clamp (11) and front clamp block (7) and at least three T-shaped slide blocks (10) and thick stick body fixed head (8) are set,

Described feeding drive mechanism is by transmission workbench (12), multiple driving block (13), tooth bar (14), uni-drive gear box (15), worm type of reduction gearing (16) and driving motor (17) composition, the below of transmission workbench (12) arranges multiple driving block (13), driving block (13) mates with drive rail (3) and uses, uni-drive gear box (15), worm type of reduction gearing (16) and driving motor (17) are all arranged on workbench (2) and go up and be positioned at the below of drive rail (3), tooth bar (14) is connected with transmission workbench (12), uni-drive gear box (15) mates with tooth bar (14) and uses, driving motor (17) is connected with the input hole of worm type of reduction gearing (16), the output shaft of worm type of reduction gearing (16) is connected with uni-drive gear box (15),

Described wire-drawing mechanism is made up of position, side drawing portion and chamfering drawing portion, position, described side drawing portion is divided into again two stations, each station is installed by position, two sides wire-drawing mechanism symmetry, position, each side wire-drawing mechanism is by position, side wire drawing motor (18), position, side wire drawing motor mounting plate (19), multiple side position wire drawing slide block (20), position, side wire drawing guide rail (21), multiple wire drawing guide rails assembling plate (22), adjusting screw (23), leading screw adjustment block (24), leading screw fixture block (25), fine setting cylinder (26), fine setting cylinder connecting plate (27), pressure regulator valve (28), multiple wire drawing guide rails assembling plate connecting plate (29), multiple column (30), leading screw runner (31) and pulling wheel (62) composition, position, side wire drawing motor (18) is installed on the upper surface of position, side wire drawing motor mounting plate (19), the lower surface of position, side wire drawing motor mounting plate (19) arranges four sides position wire drawing slide block (20), position, side wire drawing slide block (20) mates with position, side wire drawing guide rail (21) and uses, position, side wire drawing guide rail (21) is installed on wire drawing guide rails assembling plate (22) top, wire drawing guide rails assembling plate (22) is installed on column (30) top, column (30) is arranged on frame (1) and goes up and be positioned at the top of frame (1), connected by wire drawing guide rails assembling plate connecting plate (29) between two wire drawing guide rails assembling plates (22), adjusting screw (23) is connected with leading screw adjustment block (24), leading screw adjustment block (24) is arranged on the top of wire drawing guide rails assembling plate connecting plate (29), leading screw runner (31) is connected with one end of adjusting screw (23), leading screw fixture block (25) is installed on the top of position, side wire drawing motor mounting plate (19) and is connected with the other end of adjusting screw (23), fine setting cylinder (26) is installed on wire drawing guide rails assembling plate connecting plate (29) top, fine setting cylinder connecting plate (27) is connected with the piston rod of fine setting cylinder (26) and is connected with position, side wire drawing motor mounting plate (19), pressure regulator valve (28) is installed on the top of wire drawing guide rails assembling plate connecting plate (29), pressure regulator valve (28) is connected with fine setting cylinder (26), pulling wheel (62) is connected with position, side wire drawing motor (18),

Chamfering wire drawing is also divided into two stations, each station is installed by two chamfering wire-drawing mechanism symmetries, each chamfering wire-drawing mechanism is by chamfering wire drawing motor (32), chamfering wire drawing motor mounting rack (33), installing rack adjustment screw mandrel (34), adjustment screw mandrel installing plate (35), adjustment screw mandrel installing plate connecting plate (36), multiple chamfering wire drawing slide block (37), chamfering wire drawing guide rail (38), chamfering adjusting screw (39), wire drawing guide rails assembling plate (22), leading screw adjustment block (24), leading screw fixture block (25), fine setting cylinder (26), fine setting cylinder connecting plate (27), pressure regulator valve (28), wire drawing guide rails assembling plate connecting plate (29), multiple column (30), leading screw runner (31) and pulling wheel (62) composition, chamfering wire drawing motor (32) is connected with chamfering wire drawing motor mounting rack (33), chamfering wire drawing motor mounting rack (33) adjusts screw mandrel (34) by installing rack and is connected with adjustment screw mandrel installing plate (35), adjustment screw mandrel installing plate (35) below arranges four chamfering wire drawing slide blocks (37), chamfering wire drawing slide block (37) mates with chamfering wire drawing guide rail (38) and uses, chamfering wire drawing guide rail (38) is installed on the top of wire drawing guide rails assembling plate (22), chamfering adjusting screw (39) is connected with leading screw adjustment block (24), leading screw adjustment block (24) is installed on the top of wire drawing guide rails assembling plate connecting plate (29), leading screw runner (31) is connected with one end of chamfering adjusting screw (39), the other end of chamfering adjusting screw (39) is connected with leading screw fixture block (25), leading screw fixture block (25) is installed on the top of adjustment screw mandrel installing plate connecting plate (36), fine setting cylinder (26) is installed on wire drawing guide rails assembling plate connecting plate (29) top, fine setting cylinder connecting plate (27) is connected with the piston rod of fine setting cylinder (26) and is connected with adjustment screw mandrel installing plate connecting plate (36), connected by wire drawing guide rails assembling plate connecting plate (29) between two wire drawing guide rails assembling plates (22), pressure regulator valve (28) is installed on the top of wire drawing guide rails assembling plate connecting plate (29) and pressure regulator valve (28) is connected with fine setting cylinder (26), column (30) is arranged on frame (1) and goes up and be positioned at the top of frame (1), pulling wheel (62) is connected with chamfering wire drawing motor (32),

Described position-limit mechanism is by front travel switch (40), front travel switch installation board (41), front travel switch mounting (42), rear travel switch (43) and rear travel switch mounting plate (44) composition, front travel switch (40) is arranged on front travel switch installation board (41), front travel switch installation board (41) is arranged on front travel switch mounting (42), front travel switch mounting (42) is arranged on frame low order end, rear travel switch (43) is arranged on rear travel switch mounting plate (44), rear travel switch mounting plate (44) is arranged on workbench (2) and goes up and the left side being positioned at chamfering wire drawing motor (32), front travel switch (40) and driving motor (17), clamping cylinder (4), four sides position wire drawing motor (18) is connected with four chamfering wire drawing motors (32), rear travel switch (43) is connected with driving motor (17),

Described control circui is made up of electric cabinet part and operating desk control section, electric cabinet part is by electric cabinet (63) and the frequency converter (45) that is arranged on electric cabinet (63), total scram button (46), four sides position wire drawing motor push button (47-50), four chamfering wire drawing motor push button (51-54) and the time relay (64) composition, total scram button (46) is connected with external general supply, frequency converter (45) is connected with driving motor (17) rotating speed controlling driving motor (17), four sides position wire drawing motor push button (47-50) controls the switch of four sides position wire drawing motor (18) respectively, four chamfering wire drawing motor push button (51-54) control the switch of four chamfering wire drawing motors (32) respectively, the time relay (64) and driving motor (17), wire drawing play button (55) is connected with solenoid directional control valve (59),

Operating desk control section is by wire drawing play button (55), scram button one (56), button (57) return by workbench and scram button two (58) forms, wherein wire drawing play button (55) and scram button one (56) are arranged on frame (1) go up and the left side being positioned at chamfering wire drawing motor (32) for integral type button switch boxes, workbench is return button (57) and scram button two (58) for integral type button switch box and is arranged on frame (1) and goes up and the right side being positioned at position, side wire drawing motor (18), wire drawing play button (55) controls the rotation of driving motor (17) rotation and position, side wire drawing motor (18) and chamfering wire drawing motor (32), driving motor (17) drives transmission workbench (12) to move to wire drawing operative orientation, and control clamping cylinder (4) clamping by solenoid directional control valve (59), workbench is return button (57) and is controlled driving motor (17) rotation, drive transmission workbench (12) to move to card engaging workpiece direction, scram button one (56) and scram button two (58) can control position, side wire drawing motor (18) and stop operating with chamfering wire drawing motor (32) and control driving motor (17) and stop operating,

Gas circuit controls to be made up of solenoid directional control valve (59), choke valve (60) and pneumatic triple piece (61), solenoid directional control valve (59) and pneumatic triple piece (61) are arranged on one end of frame (1), choke valve (60) is installed on the pressure introduction port end of solenoid directional control valve (59), enter choke valve (60) from the first via gas of source of the gas access by pneumatic triple piece (61), then enter solenoid directional control valve (59) again to control the clamping of clamping cylinder (4) and to unclamp by choke valve (60); Enter multiple three-way connection access pressure regulator valve (28) from the second road gas of source of the gas access by pneumatic triple piece (61), then pressure regulator valve (28) controls the clamping force of fine setting cylinder (26).