CN113752020A - Automatic steel strip connecting machine and method for automobile radiating tube forming production line - Google Patents

Abstract

The invention discloses an automatic steel strip connecting machine and a method for an automobile radiating tube forming production line. The automatic steel strip receiving machine and the method have the advantages of high production efficiency and good product quality, and have high practical value.

Description

Automatic steel strip connecting machine and method for automobile radiating tube forming production line

Technical Field

The invention relates to the technical field of automobile radiating pipe production, in particular to an automatic steel strip connecting machine and method for an automobile radiating pipe forming production line.

Background

The automobile radiating pipe production line in the prior art adopts 25 x 0.65mm steel strips to wind, weld and form to form the automobile radiating pipe, and in the production process, the joint connection between two rolls of steel strips adopts the processing mode of manual cutting, splicing and re-welding, and the mode is not only low in efficiency, but also the problems of uneven butt joint, infirm welding and the like easily occur to the joint, and the quality of the automobile radiating pipe is seriously influenced. The disclosure of which is 5, 10 and 2019, and the publication of which is CN208840871U discloses a strip steel splicing machine, which comprises a machine table, wherein the middle part of the machine table is provided with a shearing device and a shearing and pressing device, the upper part of the machine table is provided with a welding device, the shearing device comprises a shearing cylinder, the shearing cylinder is connected with a lower cutter fixing block, a lower cutter is arranged on the lower cutter fixing block, the shearing device is provided with a guide plate, the guide plate is also provided with a guide pillar and is connected with the cutter fixing block, the middle part of the machine table is provided with a first upper cutter and a second upper cutter, the shearing and pressing device comprises a pressure plate, the pressure plate is connected with the guide post, a spring is arranged between the pressure plate and the guide plate, a welding copper plate is arranged on the welding device, a positioning block is arranged above the welding machine, a guide rail is further arranged on the positioning block, a guide rail sliding block is installed on the guide rail, a welding gun is connected to the guide rail sliding block, the guide rail sliding block is connected with a driving motor, and the welding gun is connected with an electric welding machine. However, the joint formed by welding the strip steel strip connecting machine is uneven and cannot be used on the production line of the automobile radiating pipe.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the steel strip butt joint of an automobile radiating tube production line is low in efficiency, butt joint is easy to be uneven, welding is not firm and the quality of an automobile radiating tube is seriously affected, and provides an automatic steel strip connecting machine and method for an automobile radiating tube forming production line.

The invention adopts the technical scheme that the automatic steel strip connecting machine for the automobile radiating tube forming production line is suitable for the butt joint of steel strips with the width of 20-30mm and the thickness of 0.5-0.8mm, comprises a frame, and further comprises:

the steel strip lifting mechanism is used for lifting or descending the steel strip on the rack, and when the steel strip is in a lifting position, the steel strip can freely pass through the rack; when the steel belt is at a descending position, the steel belt is moved, sheared and welded; the steel belt lifting mechanism is used for switching the working state of the steel belt.

The new material feeding mechanism is used for leading in new steel strip materials; the new material is the front section of the newly-added steel belt.

And the steel strip moving mechanism is used for moving the steel strips when the steel strips are at the descending position so as to facilitate the shearing, butt joint and welding of the steel strips.

The steel belt guide mechanism is used for controlling the moving direction of the steel belt when the steel belt is at a descending position so as to facilitate the accurate butt joint between the tail material of the steel belt and the new material of the steel belt; the tailing refers to the tail part of the original steel strip.

And the steel belt clamping mechanism is used for clamping and fixing the steel belt when the steel belt is at a descending position.

The steel strip shearing mechanism comprises a steel strip cutting mechanism and a steel strip trimming mechanism, and when the steel strip is at a descending position, the steel strip cutting mechanism is used for cutting off the tail material of the steel strip and the stub bar of the new material of the steel strip so as to form a neat butt joint cut; the steel belt trimming mechanism is used for trimming the welded steel belt and ensuring the two side edges of the steel belt to be smooth.

And the steel belt welding mechanism is positioned in the middle of the rack and is used for welding the joint of the steel belt when the steel belt is at a descending position.

And the tailing sensor is positioned at the feeding end of the steel strip and used for detecting the position of the tail end part of the steel strip.

And the welding spot feeding sensor is positioned at the downstream side of the new material feeding mechanism and is used for detecting the position of the front end part of the new steel strip.

And the control system is used for connecting and controlling all working components on the automatic steel strip receiving machine to finish the automatic butt joint of the steel strips, and is connected with an automobile radiating tube forming production line to start and stop the operation of the automobile radiating tube forming production line.

According to the invention, the steel belt on the automobile radiating pipe forming production line is automatically detected, when the butt joint is required, the end part of the steel belt is automatically cut, the butt joint welding is automatically carried out, and the automatic trimming is carried out, so that the butt joint welding process of the steel belt is rapidly completed, the problems that the butt joint of the steel belt of the automobile radiating pipe production line in the prior art is low in efficiency, the butt joint is easy to be uneven, the welding is not firm and the quality of the automobile radiating pipe is seriously affected are solved.

Preferably, the steel strip lifting mechanism comprises a tailing end jacking assembly, a new material end jacking assembly, a welding spot left end jacking assembly and a welding spot right end jacking assembly, the tailing end jacking assembly is positioned at the discharge end of the steel strip on the rack, the new material end jacking assembly is positioned at the feed end of the steel strip on the rack, the welding spot left end jacking assembly is positioned at the upstream side of a welding point of the steel strip on the rack, and the welding spot right end jacking assembly is positioned at the downstream side of the welding point of the steel strip on the rack; the tail material end jacking assembly, the new material end jacking assembly, the welding spot left end jacking assembly and the welding spot right-hand member jacking assembly all comprise a vertically-arranged jacking cylinder and an L-shaped plate connected with the jacking cylinder, the L-shaped plate is located above the jacking cylinder, the horizontal section of the L-shaped plate is connected with the jacking cylinder, and the vertical section of the L-shaped plate is provided with an upper roller shaft and a lower roller shaft which are used for penetrating through a steel belt. The steel belt lifting mechanism is used for lifting the steel belt, and when the steel belt is in a lifting position, the steel belt can freely pass through the rack; when the steel belt is at a descending position, the steel belt is moved, sheared and welded; thereby the purpose that the jacking cylinder reaches the steel band through the lift roller, and the during operation steel band is located between two upper and lower roller.

Preferably, the new material feeding mechanism comprises a new material feeding motor, a new material feeding upper pressing wheel, a new material feeding lower pressing wheel and a steel belt limiting guide wheel, the new material feeding motor is connected with the new material feeding lower pressing wheel, a lower pressing cylinder is arranged above the new material feeding upper pressing wheel, and a groove matched with the width of the steel belt is formed in the steel belt limiting guide wheel. The new material feeding upper pressing wheel is matched with the new material feeding lower pressing wheel to be used for pressing the new material of the steel belt, the new material feeding motor drives the new material feeding lower pressing wheel to move for the new material of the steel belt, and the new material feeding upper pressing wheel is driven by a vertically arranged lower pressing cylinder.

Preferably, the steel belt moving mechanism comprises a tailing pushing assembly and a new material forward pushing assembly, and the tailing pushing assembly is positioned at the discharge end of the steel belt on the rack and used for moving and positioning the tailing; the new material forward-pushing assembly is positioned at the feeding end of the steel belt on the rack and used for moving and positioning the new material; the tailing pushing assembly and the new material pushing assembly both comprise pushing cylinders arranged horizontally, and the cylinders are connected with a steel belt clamping mechanism. The tail pushing assembly is used for moving a tail section of the steel strip, the new material pushing assembly is used for moving a new section of the steel strip, and the tail pushing assembly and the new material pushing assembly drive corresponding clamping jaws to move through a cylinder horizontally arranged to achieve movement of the steel strip.

Preferably, the steel strip clamping mechanism comprises a tailing clamping jaw assembly and a new material clamping jaw assembly, and the tailing clamping jaw assembly is connected with the tailing pushing assembly and is used for clamping the tailing when the tailing moves; the new material clamping jaw assembly is connected with the new material pushing assembly and is used for clamping the new material when the new material is pushed forwards; the tail clamping jaw assembly and the new clamping jaw assembly comprise clamping jaws used for clamping a steel strip and clamping cylinders used for driving the clamping jaws to clamp tightly, and the clamping cylinders are vertically arranged below the clamping jaws. The clamping jaw assembly adopts two clamping jaws arranged on the upper side and the lower side of the steel strip (wherein the clamping jaw on the lower side is a fixed clamping jaw, and the clamping jaw on the upper side is a movable clamping jaw), and a vertically arranged clamping cylinder is adopted to drive and clamp the steel strip.

Preferably, the steel strip guide mechanism comprises a tailing guide assembly and a new material guide assembly, wherein the tailing guide assembly is positioned between the tailing end jacking assembly and the welding spot right end jacking assembly and is used for moving and guiding the tailing; the new material guiding assembly is located between the new material end jacking assembly and the welding spot left end jacking assembly and used for pushing and guiding the new material. The guide assembly limits the moving direction of the steel belt in a limiting mode at two sides, and the steel belts at two ends of a welding point are ensured to be on the same straight line after the steel belts are butted.

Preferably, the steel strip shearing mechanism comprises a steel strip cutting upper press and a steel strip trimming upper press, the steel strip cutting upper press is positioned between the welding spot left end jacking assembly and the steel strip welding mechanism, a steel strip cutting lower die is correspondingly arranged below the steel strip cutting upper press, the steel strip cutting upper press comprises a punching head which is arranged in a deflection mode, and when the steel strip is cut, the included angle between the trimming edge of the steel strip and the width direction of the steel strip is 6-12 degrees; the steel strip trimming upper press comprises two plate-shaped punching heads arranged in parallel, and the distance between the two punching heads is matched with the width of the steel strip. The included angle between the cutting edge of the steel strip and the width direction of the steel strip is 6-12, namely the cutting edge is not perpendicular to the length direction of the steel strip, so that the welding seam of the steel strip is not in the same axial direction of the radiating pipe when the steel strip is wound into the radiating pipe, and the fracture caused by stress concentration at the welding position when the steel strip is wound into the radiating pipe can be avoided.

Preferably, the steel strip welding mechanism comprises a roller type electric welding machine, the roller type electric welding machine is provided with a welding roller, a welding position holding assembly used for fixing the steel strip at the welding position is arranged below the welding roller, the roller type electric welding machine and the rack are arranged in a deflection mode, and an included angle between the central plane of the welding roller and the width direction of the steel strip is 6-12 degrees. The welding position holding component is close to the welding point and used for fixing a steel belt to be welded; when the roller type electric welding machine arranged in a deflection shape is used for welding, a certain included angle is formed between the central plane of the welding roller and the welding seam, so that the corresponding welding points on the welding roller can be dispersed, and the service life of the welding roller is prolonged.

Preferably, the steel strip cutting mechanism further comprises a stub bar shifting lever assembly for shifting out the cut stub bar. The stub bar deflector rod assembly is used as an accessory part of the steel strip cutting mechanism and is used for pulling the cut steel strip stub bar out of the steel strip cutting lower die.

The steel belt butt joint method of the automatic steel belt splicing machine of the automobile radiating pipe forming production line comprises the following steps of:

a. under the initial state, the tailing end jacking assembly, the new material end jacking assembly, the welding spot left end jacking assembly and the welding spot right end jacking assembly are all jacked up, the steel belt is freely supported through the roller shaft, the steel belt connecting machine is automatically connected, and the automobile radiating pipe forming production line realizes high-speed production.

b. When a tailing sensor near a feed inlet of the automatic steel strip receiving machine detects that a steel strip is missing, the control system outputs a signal to rear-end material using equipment to stop the equipment and starts a steel strip butt joint program.

c. The tail end jacking assembly, the new material end jacking assembly, the welding spot left end jacking assembly and the welding spot right end jacking assembly all descend, the clamping jaws of the tail clamping jaw assemblies act to clamp the steel strip tails, and the steel strip cutting and pressing machine acts to cooperate with the steel strip cutting and lower die to cut off the tails.

d. The tailing pushing assembly drives the tailing to move through the tailing clamping jaw assembly, the tail end of the tailing is moved to a welding point, the assembly is jacked up by the right end of the welding point to jack up the steel belt, the tail end of the tailing is in a suspended state, and the control system outputs a belt changing signal.

e. The steel belt coil on the steel belt input disc is replaced manually, the stub bar of a newly replaced steel belt is inserted between the new material feeding upper pressing wheel and the new material feeding lower pressing wheel through the steel belt limiting guide wheel, the feeding button is pressed, the pressing cylinder acts downwards, and the new material feeding upper pressing wheel presses downwards to press the new material stub bar.

f. The new material feeding motor drives the new material feeding lower pressing wheel to rotate, the steel belt stub bar is conveyed to the welding spot feeding sensor position in a fixed speed timing mode in a quantitative mode, and after the welding spot feeding sensor detects the steel belt stub bar, the new material feeding motor stops working.

g. Clamping the steel belt by the action of a clamping jaw of the new material clamping jaw assembly, and lifting and resetting the new material feeding upper pressing wheel; the steel strip cutting and pressing machine acts in cooperation with the steel strip cutting lower die to cut the new stub bar.

h. The new material forward-pushing assembly drives the new material clamping jaw assembly and the steel belt to be pushed forward to the front end of the new material to reach a welding point, the jacking device of the welding point right-end jacking assembly descends to be withdrawn, the tail end of the steel belt is in overlapped butt joint with the front end of the new material, the welding position holding assembly clamps the steel belt tightly, the new material forward-pushing assembly and the new material clamping jaw assembly reset, and the tail pushing assembly and the tail clamping jaw assembly reset.

i. The roller type electric welding machine works, the welding roller presses down and rolls a welded steel belt, after the steel belt is welded, the clamping jaws of the new material clamping jaw assembly and the tail material clamping jaw assembly act to clamp the steel belt, the welding roller rises to reset, and the welding position holding assembly loosens the steel belt.

j. The new material forward pushing assembly and the tailing pushing assembly drive the welded steel belt to move, so that a welding point on the steel belt is located between the steel belt trimming upper press and the steel belt trimming lower die, and the steel belt trimming upper press is pressed downwards to be matched with the steel belt trimming lower die to cut burrs on two sides of the steel belt welding point.

k. Resetting the new material clamping jaw assembly and the tail material clamping jaw assembly, loosening the steel belt, resetting the new material forward pushing assembly and the tail material pushing assembly, completely jacking and resetting the tail material end jacking assembly, the new material end jacking assembly, the welding spot left end jacking assembly and the welding spot right end jacking assembly, and jacking the steel belt; at the moment, the steel strip returns to the initial free passing state in the automatic steel strip receiving machine.

And l, the control system sends a signal to the back-end production equipment to start normal high-speed production.

The invention has the beneficial effects that: the automatic steel strip connecting machine and the automatic steel strip connecting method for the automobile radiating tube forming production line effectively solve the problems that in the prior art, the steel strip connecting of the automobile radiating tube production line is not only low in efficiency, but also is easy to cause the problems of uneven connecting, infirm welding and the like, which seriously affect the quality of the automobile radiating tube.

Drawings

FIG. 1 is a schematic perspective view of an automated steel strip receiving machine according to the present invention;

fig. 2 is another schematic perspective view of the automatic steel strip receiving machine of the invention.

In the figure: 1. the steel strip welding machine comprises a rack, 2, a control system, 3, a tailing pushing assembly, 4, a tailing clamping jaw assembly, 5, a tailing guiding assembly, 6, a tailing end jacking assembly, 7, a steel strip trimming upper press, 8, a roller type electric welding machine, 9, a welding roller, 10, a steel strip cutting upper press, 11, a new material forward pushing assembly, 12, a new material clamping jaw assembly, 13, a new material feeding motor, 14, a new material feeding upper pressing wheel, 15, a steel strip limiting guide wheel, 16, a new material end jacking assembly, 17, a new material feeding lower pressing wheel, 18, a new material guiding assembly, 19, a welding spot left end jacking assembly, 20, a steel strip cutting lower die, 21, a steel strip, 22, a welding position holding assembly, 23, a steel strip trimming lower die and 24, a welding spot right end jacking assembly.

Detailed Description

The following provides a further description of embodiments of the present invention by way of examples and with reference to the accompanying drawings.

Example 1

In embodiment 1 as shown in fig. 1 and fig. 2, an automatic steel strip receiving machine for an automobile radiating pipe forming production line is suitable for butt joint of steel strips with a width of 20-30mm and a thickness of 0.5-0.8mm (in this embodiment, the width of the steel strips is 25mm, and the thickness of the steel strips is 0.65 mm), and includes a machine frame 1, and the automatic steel strip receiving machine further includes:

the steel strip lifting mechanism is used for lifting or descending the steel strip 21 on the rack, and when the steel strip is in a lifting position, the steel strip can freely pass through the rack; when the steel belt is at a descending position, the steel belt is moved, sheared and welded; the steel belt lifting mechanism comprises a tailing end jacking component 6, a new material end jacking component 16, a welding spot left end jacking component 19 and a welding spot right end jacking component 24, the tailing end jacking component is positioned at the discharge end of the steel belt on the rack, the new material end jacking component is positioned at the feed end of the steel belt on the rack, the welding spot left end jacking component is positioned at the upstream side of a welding point of the steel belt on the rack, and the welding spot right end jacking component is positioned at the downstream side of the welding point of the steel belt on the rack; the tail material end jacking assembly, the new material end jacking assembly, the welding spot left end jacking assembly and the welding spot right-hand member jacking assembly all comprise a vertically-arranged jacking cylinder and an L-shaped plate connected with the jacking cylinder, the L-shaped plate is located above the jacking cylinder, the horizontal section of the L-shaped plate is connected with the jacking cylinder, and the vertical section of the L-shaped plate is provided with an upper roller shaft and a lower roller shaft which are used for penetrating through a steel belt.

The new material feeding mechanism is used for leading in new steel strip materials; the new material feeding mechanism comprises a new material feeding motor 13, a new material feeding upper pressing wheel 14, a new material feeding lower pressing wheel 17 and a steel belt limiting guide wheel 15, the new material feeding motor is connected with the new material feeding lower pressing wheel, a lower pressing cylinder is arranged above the new material feeding upper pressing wheel, and a groove matched with the width of a steel belt is formed in the steel belt limiting guide wheel.

The steel belt moving mechanism is used for moving the steel belt when the steel belt is at a descending position so as to facilitate shearing, butt joint and welding of the steel belt; the steel belt moving mechanism comprises a tailing pushing assembly 3 and a new material forward pushing assembly 11, and the tailing pushing assembly is positioned at the discharge end of the steel belt on the rack and used for moving and positioning tailing; the new material forward-pushing assembly is positioned at the feeding end of the steel belt on the rack and used for moving and positioning the new material; the tailing pushing assembly and the new material pushing assembly both comprise pushing cylinders arranged horizontally, and the cylinders are connected with a steel belt clamping mechanism.

The steel belt guide mechanism is used for controlling the moving direction of the steel belt when the steel belt is at a descending position so as to facilitate the accurate butt joint between the tail material of the steel belt and the new material of the steel belt; the steel belt guiding mechanism comprises a tailing guiding component 5 and a new material guiding component 18, and the tailing guiding component is positioned between the tailing end jacking component and the welding spot right end jacking component and is used for moving and guiding tailing; the new material guiding assembly is located between the new material end jacking assembly and the welding spot left end jacking assembly and used for pushing and guiding the new material.

The steel belt clamping mechanism is used for clamping and fixing the steel belt when the steel belt is at a descending position; the steel belt clamping mechanism comprises a tailing clamping jaw assembly 4 and a new material clamping jaw assembly 12, and the tailing clamping jaw assembly is connected with a tailing pushing assembly and is used for clamping tailing when the tailing moves; the new material clamping jaw assembly is connected with the new material pushing assembly and is used for clamping the new material when the new material is pushed forwards; the tail clamping jaw assembly and the new clamping jaw assembly comprise clamping jaws used for clamping a steel strip and clamping cylinders used for driving the clamping jaws to clamp tightly, and the clamping cylinders are vertically arranged below the clamping jaws. The clamping jaw assembly adopts two clamping jaws arranged on the upper side and the lower side of the steel strip (wherein the clamping jaw on the lower side is a fixed clamping jaw, and the clamping jaw on the upper side is a movable clamping jaw), and a vertically arranged clamping cylinder is adopted to drive and clamp the steel strip.

The steel strip shearing mechanism comprises a steel strip cutting mechanism, a steel strip trimming mechanism and a stub bar deflector rod assembly (not shown in the figure) for pulling out the cut stub bar. When the steel belt is in a descending position, the steel belt cutting mechanism is used for cutting off the tail material of the steel belt and the stub bar of the new material of the steel belt, so that the steel belt and the stub bar form a neat butt joint cut; the steel belt trimming mechanism is used for trimming the welded steel belt to ensure that two side edges of the steel belt are smooth; the steel strip shearing mechanism comprises a steel strip cutting upper press 10 and a steel strip trimming upper press 7, the steel strip cutting upper press is positioned between the welding spot left end jacking assembly and the steel strip welding mechanism, a steel strip cutting lower die 20 is correspondingly arranged below the steel strip cutting upper press, the steel strip cutting upper press comprises a punching head which is arranged in a deflection mode, and when the steel strip is cut, the included angle between the trimming edge of the steel strip and the width direction of the steel strip is 6-12 degrees (8 degrees in the embodiment); the steel strip trimming upper press is positioned between the welding spot right end jacking assembly and the steel strip welding mechanism, a steel strip trimming lower die 23 is correspondingly arranged below the steel strip trimming upper press, the steel strip trimming upper press comprises two plate-shaped punching heads which are arranged in parallel, and the distance between the two punching heads is matched with the width of a steel strip.

The steel belt welding mechanism is positioned in the middle of the rack and is used for welding the joint of the steel belt when the steel belt is at a descending position; the steel band welding mechanism comprises a roller type electric welding machine 8, the roller type electric welding machine is provided with a welding roller 9, a welding position holding assembly 22 used for fixing a steel band at a welding position is arranged below the welding roller, the roller type electric welding machine and the rack are arranged in a deflection mode, and an included angle between the central plane of the welding roller and the width direction of the steel band is 6-12 degrees (9 degrees in the embodiment).

A tailing sensor, which is positioned at the feeding end of the steel strip (not shown in the figure) and is used for detecting the tail end position of the steel strip;

a welding spot feeding sensor located at the downstream side (not shown) of the new material feeding mechanism and used for detecting the front end position of the new material of the steel strip;

and the control system 2 is used for connecting and controlling all working components on the automatic steel strip receiving machine to finish the automatic butt joint of the steel strips, and is connected with an automobile radiating tube forming production line to start and stop the operation of the automobile radiating tube forming production line.

The steel belt butt joint method of the automatic steel belt splicing machine of the automobile radiating pipe forming production line comprises the following steps of:

a. under the initial state, the tailing end jacking assembly, the new material end jacking assembly, the welding spot left end jacking assembly and the welding spot right end jacking assembly are all jacked up, the steel belt is freely supported through the roller shaft, the steel belt connecting machine is automatically connected, and the automobile radiating pipe forming production line realizes high-speed production.

b. When a tailing sensor near a feed inlet of the automatic steel strip receiving machine detects that a steel strip is missing, the control system outputs a signal to rear-end material using equipment to stop the equipment and starts a steel strip butt joint program.

c. The tail end jacking assembly, the new material end jacking assembly, the welding spot left end jacking assembly and the welding spot right end jacking assembly all descend, the clamping jaws of the tail clamping jaw assemblies act to clamp the steel strip tails, and the steel strip cutting and pressing machine acts to cooperate with the steel strip cutting and lower die to cut off the tails.

d. The tailing pushing assembly drives the tailing to move through the tailing clamping jaw assembly, the tail end of the tailing is moved to a welding point, the assembly is jacked up by the right end of the welding point to jack up the steel belt, the tail end of the tailing is in a suspended state, and the control system outputs a belt changing signal.

e. The steel belt coil on the steel belt input disc is replaced manually, the stub bar of a newly replaced steel belt is inserted between the new material feeding upper pressing wheel and the new material feeding lower pressing wheel through the steel belt limiting guide wheel, the feeding button is pressed, the pressing cylinder acts downwards, and the new material feeding upper pressing wheel presses downwards to press the new material stub bar.

f. The new material feeding motor drives the new material feeding lower pressing wheel to rotate, the steel belt stub bar is conveyed to the welding spot feeding sensor position in a fixed speed timing mode in a quantitative mode, and after the welding spot feeding sensor detects the steel belt stub bar, the new material feeding motor stops working.

g. Clamping the steel belt by the action of a clamping jaw of the new material clamping jaw assembly, and lifting and resetting the new material feeding upper pressing wheel; the steel strip cutting and pressing machine acts in cooperation with the steel strip cutting lower die to cut the new stub bar.

h. The new material forward-pushing assembly drives the new material clamping jaw assembly and the steel belt to be pushed forward to the front end of the new material to reach a welding point, the jacking device of the welding point right-end jacking assembly descends to be withdrawn, the tail end of the steel belt is in overlapped butt joint with the front end of the new material, the welding position holding assembly clamps the steel belt tightly, the new material forward-pushing assembly and the new material clamping jaw assembly reset, and the tail pushing assembly and the tail clamping jaw assembly reset.

i. The roller type electric welding machine works, the welding roller presses down and rolls a welded steel belt, after the steel belt is welded, the clamping jaws of the new material clamping jaw assembly and the tail material clamping jaw assembly act to clamp the steel belt, the welding roller rises to reset, and the welding position holding assembly loosens the steel belt.

j. The new material forward pushing assembly and the tailing pushing assembly drive the welded steel belt to move, so that a welding point on the steel belt is located between the steel belt trimming upper press and the steel belt trimming lower die, and the steel belt trimming upper press is pressed downwards to be matched with the steel belt trimming lower die to cut burrs on two sides of the steel belt welding point.

k. The new material clamping jaw assembly and the tail material clamping jaw assembly reset, a steel belt is loosened, the new material forward pushing assembly and the tail material pushing assembly reset, and the tail material end jacking assembly, the new material end jacking assembly, the welding spot left end jacking assembly and the welding spot right end jacking assembly are all jacked up and reset to jack up the steel belt.

And l, the control system sends a signal to the back-end production equipment to start normal high-speed production.

In addition to the above embodiments, the technical features or technical data of the present invention may be reselected and combined to form new embodiments within the scope of the claims and the specification of the present invention, which are all realized by those skilled in the art without creative efforts, and thus, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and are within the protection scope of the present invention.

Claims (10)

1. The utility model provides an automatic steel strip machine that connects of car cooling tube shaping production line, is applicable to the steel band butt joint that the width is 20-30mm, thickness is 0.5-0.8mm, its characterized in that, including frame (1), automatic steel strip machine that connects still include:

the steel strip lifting mechanism is used for lifting or descending the steel strip on the rack, and when the steel strip is in a lifting position, the steel strip can freely pass through the rack; when the steel belt is at a descending position, the steel belt is moved, sheared and welded;

the new material feeding mechanism is used for leading in new steel strip materials;

the steel belt moving mechanism is used for moving the steel belt when the steel belt is at a descending position so as to facilitate shearing, butt joint and welding of the steel belt;

the steel belt guide mechanism is used for controlling the moving direction of the steel belt when the steel belt is at a descending position so as to facilitate the accurate butt joint between the tail material of the steel belt and the new material of the steel belt;

the steel belt clamping mechanism is used for clamping and fixing the steel belt when the steel belt is at a descending position;

the steel strip shearing mechanism comprises a steel strip cutting mechanism and a steel strip trimming mechanism, and when the steel strip is at a descending position, the steel strip cutting mechanism is used for cutting off the tail material of the steel strip and the stub bar of the new material of the steel strip so as to form a neat butt joint cut; the steel belt trimming mechanism is used for trimming the welded steel belt to ensure that two side edges of the steel belt are smooth;

the steel belt welding mechanism is positioned in the middle of the rack and is used for welding the joint of the steel belt when the steel belt is at a descending position;

the tail sensor is positioned at the feeding end of the steel strip and used for detecting the tail end position of the steel strip;

the welding spot feeding sensor is positioned at the downstream side of the new material feeding mechanism and used for detecting the front end position of the new material of the steel strip;

and the control system (2) is used for connecting and controlling all working components on the automatic steel strip receiving machine to finish the automatic butt joint of the steel strips, and is connected with an automobile radiating tube forming production line to start and stop the operation of the automobile radiating tube forming production line.

2. The automatic steel strip receiving machine for the automobile radiating tube forming production line according to claim 1, wherein the steel strip lifting mechanism comprises a tailing end jacking assembly (6), a new material jacking assembly (16), a welding spot left end jacking assembly (19) and a welding spot right end jacking assembly (24), the tailing end jacking assembly is positioned at the discharge end of the steel strip on the frame, the new material jacking assembly is positioned at the feed end of the steel strip on the frame, the welding spot left end jacking assembly is positioned at the upstream side of the welding point of the steel strip on the frame, and the welding spot right end jacking assembly is positioned at the downstream side of the welding point of the steel strip on the frame; the tail material end jacking assembly, the new material end jacking assembly, the welding spot left end jacking assembly and the welding spot right-hand member jacking assembly all comprise a vertically-arranged jacking cylinder and an L-shaped plate connected with the jacking cylinder, the L-shaped plate is located above the jacking cylinder, the horizontal section of the L-shaped plate is connected with the jacking cylinder, and the vertical section of the L-shaped plate is provided with an upper roller shaft and a lower roller shaft which are used for penetrating through a steel belt.

3. The automatic steel band connecting machine for the radiating tube forming production line of automobile of claim 1, wherein the new material feeding mechanism comprises a new material feeding motor (13), an upper new material feeding pressing wheel (14), a lower new material feeding pressing wheel (17) and a steel band limiting guide wheel (15), the new material feeding motor is connected with the lower new material feeding pressing wheel, a pressing cylinder is arranged above the upper new material feeding pressing wheel, and a groove matched with the width of the steel band is arranged on the steel band limiting guide wheel.

4. The automatic steel band connecting machine for the automobile radiating tube forming production line according to claim 1, wherein the steel band moving mechanism comprises a tailing pushing assembly (3) and a new material forward pushing assembly (11), and the tailing pushing assembly is located at the discharging end of the steel band on the machine frame and used for moving and positioning tailing; the new material forward-pushing assembly is positioned at the feeding end of the steel belt on the rack and used for moving and positioning the new material; the tailing pushing assembly and the new material pushing assembly both comprise pushing cylinders arranged horizontally, and the cylinders are connected with a steel belt clamping mechanism.

5. The automatic steel band connecting machine for the radiating tube forming production line of the automobile as claimed in claim 4, wherein the steel band clamping mechanism comprises a tail clamping jaw assembly (4) and a new clamping jaw assembly (12), and the tail clamping jaw assembly is connected with the tail pushing assembly and used for clamping the tail when the tail moves; the new material clamping jaw assembly is connected with the new material pushing assembly and is used for clamping the new material when the new material is pushed forwards; the tail clamping jaw assembly and the new clamping jaw assembly comprise clamping jaws used for clamping a steel strip and clamping cylinders used for driving the clamping jaws to clamp tightly, and the clamping cylinders are vertically arranged below the clamping jaws.

6. The automatic steel strip connecting machine for the automobile radiating tube forming production line according to claim 2, wherein the steel strip guiding mechanism comprises a tailing guiding assembly (5) and a new material guiding assembly (18), and the tailing guiding assembly is positioned between the tailing end jacking assembly and the welding spot right end jacking assembly and used for guiding movement of tailing; the new material guiding assembly is located between the new material end jacking assembly and the welding spot left end jacking assembly and used for pushing and guiding the new material.

7. The automatic steel strip receiving machine for the automobile radiating tube forming production line according to claim 2, wherein the steel strip shearing mechanism comprises a steel strip cutting upper press (10) and a steel strip trimming upper press (7), the steel strip cutting upper press is positioned between the welding spot left end jacking assembly and the steel strip welding mechanism, a steel strip cutting lower die (20) is correspondingly arranged below the steel strip cutting upper press, the steel strip cutting upper press comprises a punching head which is arranged in a deflection manner, and an included angle between the trimming edge of the steel strip and the width direction of the steel strip is 6-12 degrees when the steel strip is cut; the steel strip trimming upper press is positioned between the welding spot right end jacking assembly and the steel strip welding mechanism, a steel strip trimming lower die (23) is correspondingly arranged below the steel strip trimming upper press, the steel strip trimming upper press comprises two plate-shaped punching heads which are arranged in parallel, and the distance between the two punching heads is matched with the width of a steel strip.

8. The automatic steel strip receiving machine for the radiator pipe forming production line of the automobile according to claim 1, wherein the steel strip welding mechanism comprises a roller type welding machine (8), the roller type welding machine is provided with a welding roller (9), a welding position holding assembly (22) for fixing a steel strip at a welding position is arranged below the welding roller, the roller type welding machine and the rack are arranged in a deflection manner, and an included angle between a central plane of the welding roller and the width direction of the steel strip is 6-12 degrees.

9. The automatic steel strip receiving machine of the automotive radiating tube forming production line as claimed in claim 1, wherein the steel strip cutting mechanism further comprises a stub bar shifting lever assembly for shifting out the cut stub bar.

10. The automatic steel strip splicing machine for the radiating pipe forming production line of the automobile as claimed in claims 1-9, characterized by comprising the following steps:

a. in an initial state, the tailing end jacking assembly, the new material end jacking assembly, the welding spot left end jacking assembly and the welding spot right end jacking assembly are all jacked up, a steel belt is supported by a roller shaft to freely pass through an automatic steel belt receiving machine, and the automobile radiating pipe forming production line realizes high-speed production;

b. when a tailing sensor near a feed inlet of the automatic steel strip receiving machine detects that a steel strip is missing, a control system outputs a signal to rear-end material using equipment to stop the equipment and starts a steel strip butt joint program;

c. the tail material end jacking assembly, the new material end jacking assembly, the welding spot left end jacking assembly and the welding spot right end jacking assembly all descend, the clamping jaws of the tail material clamping jaw assembly act to clamp the steel strip tail material, and the steel strip cutting upper press acts in cooperation with the steel strip cutting lower die to cut off the tail material;

d. the tailing pushing assembly drives the tailing to move through the tailing clamping jaw assembly, the tail end of the tailing is moved to a welding point, the right end of the welding point jacks up the assembly to jack up the steel belt, so that the tail end of the tailing is in a suspended state, and the control system outputs a belt changing signal;

e. manually replacing a steel strip coil on a steel strip input disc, inserting a stub bar of a new steel strip to be replaced between a new material feeding upper pressing wheel and a new material feeding lower pressing wheel through a steel strip limiting guide wheel, pressing a feeding button, pressing a cylinder downwards to act, and pressing the new material feeding upper pressing wheel downwards to press a new material stub bar;

f. the new material feeding motor drives the new material feeding lower pressing wheel to rotate, the steel belt stub bar is quantitatively conveyed to a welding spot feeding sensor position in a constant speed timing mode, and the new material feeding motor stops working after the welding spot feeding sensor detects the steel belt stub bar;

g. clamping the steel belt by the action of a clamping jaw of the new material clamping jaw assembly, and lifting and resetting the new material feeding upper pressing wheel; the steel strip cutting and pressing machine acts in cooperation with the steel strip cutting lower die to cut a new stub bar;

h. the new material pushing assembly drives the new material clamping jaw assembly and the steel belt to be pushed forwards until the front end part of the new material reaches a welding point, the jacking assembly jacking device at the right end of the welding point descends to be retracted, the tail end of the steel belt is overlapped and butted with the front end part of the new material, the welding position holding assembly clamps the steel belt tightly, the new material pushing assembly and the new material clamping jaw assembly reset, and the tail pushing assembly and the tail clamping jaw assembly reset;

i. the roller type electric welding machine works, a welding roller presses down and rolls a welded steel belt, after the steel belt is welded, clamping jaws of a new material clamping jaw assembly and a tail material clamping jaw assembly act to clamp the steel belt, the welding roller rises to reset, and a welding position holding assembly loosens the steel belt;

j. the new material forward pushing assembly and the tailing pushing assembly drive the welded steel belt to move, so that a welding point on the steel belt is positioned between the steel belt trimming upper press and the steel belt trimming lower die, and the steel belt trimming upper press is pressed downwards to be matched with the steel belt trimming lower die to cut burrs on two sides of the steel belt welding point;

k. resetting the new material clamping jaw assembly and the tail material clamping jaw assembly, loosening the steel belt, resetting the new material forward pushing assembly and the tail material pushing assembly, completely jacking and resetting the tail material end jacking assembly, the new material end jacking assembly, the welding spot left end jacking assembly and the welding spot right end jacking assembly, and jacking the steel belt;

and l, the control system sends a signal to the back-end production equipment to start normal high-speed production.

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