CN115519350A - Automatic belt connecting machine and method for automobile radiating pipe production line - Google Patents

Abstract

The invention discloses an automatic belt splicing machine and a method for an automobile radiating tube production line, wherein the automatic belt splicing machine comprises a belt material lifting device, a new belt conveying device, a belt material moving device, a belt material guiding device, a belt material clamping mechanism, a belt material trimming device and a belt material welding device, and further comprises a belt tail sensor for detecting the tail position of the belt material, a new belt sensor for detecting the front position of the new belt and a control system for connecting and controlling all working components on the automatic belt splicing machine.

Description

Automatic belt connecting machine and method for automobile radiating pipe production line

Technical Field

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

Background

The automobile radiating pipe production line in the prior art adopts 25 x 0.65mm's strip material to coil welding forming and constitutes the automobile radiating pipe, and in the production process, the articulate between two roll of strip materials adopts the manual work to tailor, amalgamate rewelding processing mode, and this kind of mode is not only inefficient, and the joint appears the butt joint in addition easily not neat, welds infirm scheduling problem, has seriously influenced the quality of automobile radiating pipe. The disclosure date is 5 months and 10 days in 2019, and the chinese patent document with the publication number of CN208840871U discloses a strip steel strip splicing machine, which comprises a machine table, wherein the middle part of the machine table is provided with a shearing device and a shearing 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 installed 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 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 pressing device comprises a pressure plate, the pressure plate is connected with the guide pillar, a spring is arranged between the pressure plate and the guide plate, the welding device is provided with a welding copper plate, a positioning block is arranged above the welding plate, the positioning block is further provided with a guide rail, the guide rail is provided with a guide rail slider, the guide rail slider is connected with a welding gun, the guide rail slider 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 the strip butt joint of the automobile radiating tube production line in the prior art is not only low in efficiency, but also is easy to cause the problems of uneven butt joint, infirm welding and the like which seriously affect the quality of an automobile radiating tube, and provides an automatic strip joint machine and a method for the automobile radiating tube production line, and the automatic strip joint machine and the method have the advantages of high production efficiency and good product quality.

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

the belt material lifting device is used for lifting or lowering the position of a belt material on the rack, and when the belt material is at a high position, the belt material can pass through the rack without limitation; when the strip is at a low position, the strip is moved, cut and welded; the belt material lifting device is used for switching the working state of the belt material.

A new belt conveying device for inputting a new belt; the new belt is the front section of the newly-changed belt material.

And the strip moving device is used for moving the strip when the strip is at a low position so as to cut, splice and weld the strip.

The belt material guiding device is used for controlling the moving direction of the belt material when the belt material is at a low position so as to ensure that a new belt is accurately butted with the tail of the belt; the belt tail refers to the tail part of the original belt material.

And the belt material clamping mechanism is used for clamping and fixing the belt material at a low position.

The belt material trimming device comprises a belt material shearing device and a belt material trimming device, wherein the belt material shearing device is used for cutting off the head and the tail of a belt material when the belt material is at a low position so that the head and the tail of the belt material meet the splicing requirement; the belt material trimming device is used for trimming the edges of the belt materials and ensuring that two sides of the welding position of the belt materials are smooth.

And the strip welding device is arranged in the middle of the rack and is used for welding the splicing part of the strips when the strips are at a low position.

And the belt tail sensor is arranged at the feeding end of the belt material and used for detecting the tail end position of the belt material.

And a new belt sensor located on a downstream side of the new belt conveyor and detecting a leading end position of the new belt.

And the control system is used for connecting and controlling each working component on the automatic tape splicing machine to complete automatic butt joint of the tape material, and is connected with an automobile radiating tube production line to carry out on-off control on the automatic tape splicing machine.

According to the automatic butt joint part of the strip connecting machine, the strip on the strip connecting machine is automatically detected, when butt joint is needed, the end part of the strip is automatically cut, the strip is automatically spliced and welded, and automatic trimming is carried out, so that the butt joint process of the strip is quickly completed, the problems that the strip butt joint 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, the automatic butt joint part of the strip connecting machine can be completed within one minute, the efficiency is high, the butt joint is accurate, the welding quality is good, welding burrs are avoided, and the requirements of the automobile radiating pipe production line can be met.

Preferably, the strip lifting device comprises a strip tail lifting mechanism, a new strip front end lifting mechanism, a welding seam left end lifting mechanism and a welding seam right end lifting mechanism, the strip tail lifting mechanism is positioned at the discharge end of the strip on the rack, the new strip front end lifting mechanism is positioned at the feed end of the strip on the rack, the welding seam left end lifting mechanism is positioned at the upstream side of the welding point of the strip on the rack, and the welding seam right end lifting mechanism is positioned at the downstream side of the welding point of the strip on the rack; take tail climbing mechanism, new area front end climbing mechanism, welding seam left end climbing mechanism and welding seam right-hand member climbing mechanism all to include the jacking cylinder of a vertical setting and be connected with the jacking cylinder and be located the L shaped plate of jacking cylinder top, the horizontal segment of L shaped plate is fixed with the piston rod of jacking cylinder, two rollers that are used for wearing to establish the area material about the vertical section of L shaped plate is equipped with. The belt material lifting device is used for lifting a belt material, and when the belt material is at a high position, the belt material can pass through the rack without limitation; when the strip is at a low position, the strip is moved, cut and welded; thereby the purpose that the jacking cylinder passes through the lift roller and reaches the area material and goes up and down, and the during operation area material is in between two upper and lower roller.

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

Preferably, the belt moving device comprises a belt tail pushing mechanism and a new belt front pushing mechanism, wherein the belt tail pushing mechanism is positioned at the discharge end of the belt on the rack and is used for moving and positioning the belt tail; the new belt forward-pushing mechanism is positioned at the feeding end of the belt material on the rack and used for moving and positioning the new belt; the belt tail pushing mechanism and the new belt forward pushing mechanism both comprise a material pushing cylinder arranged horizontally, and the cylinder is connected with the belt material clamping mechanism. The belt tail pushing mechanism is used for moving a belt tail section, the new belt forward pushing mechanism is used for moving the new belt section, and the belt tail pushing mechanism and the new belt forward pushing mechanism drive corresponding clamping jaws to move through a cylinder horizontally arranged so as to realize belt material movement.

Preferably, the belt clamping mechanism comprises a belt tail clamping jaw mechanism and a new belt clamping jaw mechanism, and the belt tail clamping jaw mechanism is connected with the belt tail pushing mechanism and is used for clamping the belt tail when the belt tail moves; the new belt clamping jaw mechanism is connected with the new belt forward-pushing mechanism and is used for clamping a new belt when the new belt is pushed forward; the clamping jaw mechanism with the tail and the new clamping jaw mechanism with the tail comprise clamping jaws used for clamping belt materials and clamping cylinders used for driving the clamping jaws to clamp the belt materials, 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 belt material (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 adopts a vertically arranged clamping cylinder to drive and clamp the belt material.

Preferably, the strip material guiding device comprises a strip tail guiding mechanism and a new strip guiding mechanism, wherein the strip tail guiding mechanism is positioned between the strip tail jacking mechanism and the welding seam right end jacking mechanism and is used for moving and guiding the strip tail; the new belt guiding mechanism is positioned between the new belt front end jacking mechanism and the welding seam left end jacking mechanism and used for pushing and guiding the new belt forwards. The guide assembly limits the moving direction of the strip in a limiting mode at two sides, and ensures that the strip at two ends of a welding point of the strip is on the same straight line after the strip is butted.

Preferably, the strip material trimming device comprises a strip material cutting machine and a strip material trimming machine, the strip material cutting machine is positioned between the lifting mechanism at the left end of the welding line and the strip material welding device, a strip material cutting die is correspondingly arranged below the strip material cutting machine, the strip material cutting machine comprises a cutter which is arranged in a deviation manner, and when the strip material is cut, the included angle between the edge cutting of the strip material cutting machine and the width direction of the strip material is 6-12 degrees; the strip edge trimming machine is positioned between the jacking mechanism at the right end of the welding line and the strip welding device, a strip trimming die is correspondingly arranged below the strip edge trimming machine, the strip edge trimming machine comprises two plate-shaped punching heads which are arranged in parallel, and the distance between the two plate-shaped punching heads is matched with the width of a strip. The included angle between the cutting edge of the strip material and the width direction of the strip material is 6-12, namely the cutting edge is not perpendicular to the length direction of the strip material, so that the welding seam of the strip material is not in the same axial direction of the radiating pipe when the strip material is wound into the radiating pipe, and the phenomenon that the welding position is cracked due to stress concentration when the strip material is wound into the radiating pipe can be avoided.

Preferably, the strip welding device comprises a roller type electric welding machine, the roller type electric welding machine is provided with a welding roller, a welding position holding mechanism used for fixing the strip 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 moving direction of the welding roller and the width direction of the strip is 6-12 degrees. The welding position holding mechanism is close to the welding point and used for fixing the strips to be welded; when the roller type electric welding machine arranged in a deflection shape is used for welding, the moving direction of the welding roller and the welding seam form a certain included angle, 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 tape cutting apparatus further includes a stub bar pullout mechanism for pullout the cut tape stub bar. The stub bar pulling-out mechanism is used as an accessory part of the strip cutting device and is used for pulling out a cut strip stub bar from the strip cutting die.

The strip material butt joint method of the automatic strip joint machine for the automobile radiating pipe production line comprises the following steps:

a. under the initial state, take tail climbing mechanism, new area front end climbing mechanism, welding seam left end climbing mechanism and welding seam right-hand member climbing mechanism all jack-up, through the roller hold-up area material freely pass through automatic tape splicing machine, the high-speed production of car cooling tube production line realization.

b. When the strip tail sensor near the feeding end of the automatic strip splicing machine detects that the strip is missing, the control system outputs a signal to downstream radiating tube production equipment to stop the radiating tube production equipment and start a strip butt joint program.

c. The belt tail jacking mechanism, the new belt front end jacking mechanism, the welding seam left end jacking mechanism and the welding seam right end jacking mechanism are all descended, the clamping jaw of the belt tail clamping jaw mechanism acts to clamp the belt tail, and the belt material cutting machine acts in cooperation with the belt material cutting die to cut off the belt tail.

d. The tape tail pushing mechanism drives the tape tail to move through the tape tail clamping jaw mechanism, the tail end of the tape tail is moved to a welding point, the jacking mechanism at the right end of the welding line jacks up a tape material, the tape tail is enabled to be in a suspended state, and the control system outputs a tape changing signal.

e. The material coil on the material input disc is replaced manually, the front end of a new replaced material is inserted between the new upper pressing wheel and the new lower pressing wheel through the material limiting guide wheel, the feeding button is pressed, the air cylinder is pressed to act, and the new upper pressing wheel presses down the front end of the new belt.

f. The new belt conveying motor drives the lower pressing wheel of the new belt to rotate, the front end of the new belt is conveyed to the position of the new belt sensor in a fixed speed and timing mode, and when the new belt sensor detects the front end of the new belt, the new belt conveying motor stops working.

g. The clamping jaw of the new belt clamping jaw mechanism acts to clamp the belt material, and the pressing wheel on the new belt rises to reset; the action of the strip cutting machine is matched with the strip cutting die to cut the front end of the new strip.

h. The new belt forward pushing mechanism drives the new belt clamping jaw mechanism and the belt material to be pushed forward until the front end of the new belt reaches a welding point, the jacking mechanism jacking device at the right end of the welding line descends to be retracted, the tail end of the belt is overlapped and butted with the front end of the new belt, the welding position holding mechanism clamps the belt material, the new belt forward pushing mechanism and the new belt clamping jaw mechanism reset, and the belt tail pushing mechanism and the belt tail clamping jaw mechanism reset.

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

j. The new belt forward pushing mechanism and the belt tail pushing mechanism drive the welded belt to move, so that a welding point on the belt is positioned between the belt trimming machine and the belt trimming die, and the belt trimming machine is pressed downwards to be matched with the belt trimming die to cut burrs on two sides of the welding point of the belt.

k. Resetting the new belt clamping jaw mechanism and the belt tail clamping jaw mechanism, loosening the belt material, resetting the new belt forward pushing mechanism and the belt tail pushing mechanism, jacking and resetting all the belt tail jacking mechanism, the new belt front end jacking mechanism, the welding seam left end jacking mechanism and the welding seam right end jacking mechanism, and jacking the belt material; at the moment, the belt materials recover to an initial free passing state on the automatic belt splicing machine.

And l, outputting a signal to downstream radiating pipe production equipment by the control system, and starting normal high-speed production.

The invention has the beneficial effects that: the automatic strip connecting machine and the method for the automobile radiating tube production line effectively solve the problems that the strip butt joint of the automobile radiating tube production line in the prior art is not only low in efficiency, but also is easy to cause the problems of uneven butt joint, 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 automatic splicing machine according to the present invention;

fig. 2 is another schematic perspective view of the automatic belt splicing machine of the present invention.

In the figure: 1. the automatic belt cutting machine comprises a machine frame, 2 a control system, 3 a belt tail pushing mechanism, 4 a belt tail clamping jaw mechanism, 5 a belt tail guiding mechanism, 6 a belt tail jacking mechanism, 7 a belt material trimmer, 8 a roller type electric welding machine, 9 a welding roller, 10 a belt material cutting machine, 11 a new belt forward pushing mechanism, 12 a new belt clamping jaw mechanism, 13 a new belt conveying motor, 14 a new belt upper pressing wheel, 15 a belt material limiting and guiding wheel, 16 a new belt front end jacking mechanism, 17 a new belt lower pressing wheel, 18 a new belt guiding mechanism, 19 a welding seam left end jacking mechanism, 20 a belt material cutting die, 21 a belt material, 22 a welding position holding mechanism, 23 a belt material trimming die and 24 a welding seam right end jacking mechanism.

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

the belt material lifting device is used for lifting or lowering the position of the belt material 21 on the rack, and when the belt material is in a high position, the belt material can pass through the rack without limitation; when the strip is at a low position, the strip is moved, cut and welded; the strip lifting device comprises a strip tail lifting mechanism 6, a new strip front end lifting mechanism 16, a welding seam left end lifting mechanism 19 and a welding seam right end lifting mechanism 24, wherein the strip tail lifting mechanism is positioned at the discharge end of a strip on the rack, the new strip front end lifting mechanism is positioned at the feed end of the strip on the rack, the welding seam left end lifting mechanism is positioned at the upstream side of a welding point of the strip on the rack, and the welding seam right end lifting mechanism is positioned at the downstream side of the welding point of the strip on the rack; take tail climbing mechanism, new area front end climbing mechanism, welding seam left end climbing mechanism and welding seam right-hand member climbing mechanism all to include the jacking cylinder of a vertical setting and be connected with the jacking cylinder and be located the L shaped plate of jacking cylinder top, the horizontal segment of L shaped plate is fixed with the piston rod of jacking cylinder, two rollers that are used for wearing to establish the area material about the vertical section of L shaped plate is equipped with.

The new belt conveying device is used for inputting a new belt and comprises a new belt conveying motor 13, a new belt upper pressing wheel 14, a new belt lower pressing wheel 17 and a belt material limiting guide wheel 15, wherein the new belt conveying motor is connected with the new belt lower pressing wheel, a lower pressing cylinder is arranged above the new belt upper pressing wheel, and a groove matched with the width of the belt material is formed in the belt material limiting guide wheel.

The strip moving device is used for moving the strip when the strip is at a low position so as to cut, splice and weld the strip; the belt material moving device comprises a belt tail pushing mechanism 3 and a new belt forward pushing mechanism 11, wherein the belt tail pushing mechanism is positioned at the discharge end of a belt material on the rack and used for moving and positioning a belt tail; the new belt forward pushing mechanism is positioned at the feeding end of the belt material on the rack and used for moving and positioning the new belt; the belt tail pushing mechanism and the new belt forward pushing mechanism both comprise a material pushing cylinder arranged horizontally, and the cylinder is connected with the belt material clamping mechanism.

The belt material guiding device is used for controlling the moving direction of the belt material when the belt material is at a low position so that a new belt can be accurately butted with the tail of the belt; the strip material guiding device comprises a strip tail guiding mechanism 5 and a new strip guiding mechanism 18, wherein the strip tail guiding mechanism is positioned between a strip tail jacking mechanism and a welding seam right end jacking mechanism and is used for moving and guiding the strip tail; the new belt guiding mechanism is positioned between the new belt front end jacking mechanism and the welding seam left end jacking mechanism and used for pushing and guiding the new belt forwards.

The belt material clamping mechanism is used for clamping and fixing the belt material at a low position; the belt clamping mechanism comprises a belt tail clamping jaw mechanism 4 and a new belt clamping jaw mechanism 12, and the belt tail clamping jaw mechanism is connected with the belt tail pushing mechanism and is used for clamping the belt tail when the belt tail moves; the new belt clamping jaw mechanism is connected with the new belt forward-pushing mechanism and is used for clamping a new belt when the new belt is pushed forward; the clamping jaw mechanism with the tail and the new clamping jaw mechanism with the tail comprise clamping jaws used for clamping belt materials and clamping cylinders used for driving the clamping jaws to clamp the belt materials, 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 belt material (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 adopts a vertically arranged clamping cylinder to drive and clamp the belt material.

The belt material trimming device comprises a belt material shearing device, a belt material trimming device and a material head pulling-out mechanism (not shown in the figure) for pulling out the cut belt material head. When the belt material is at a low position, the belt material shearing device is used for cutting off the head and the tail of the belt material, so that the head and the tail of the belt material meet the splicing requirement; the belt material trimming device is used for trimming the edge of the belt material to ensure that two sides of the welding position of the belt material are smooth; the strip material trimming device comprises a strip material cutting machine 10 and a strip material trimming machine 7, the strip material cutting machine is positioned between a welding seam left end jacking mechanism and the strip material welding device, a strip material cutting die 20 is correspondingly arranged below the strip material cutting machine, the strip material cutting machine comprises a cutter which is arranged in a deviation manner, and when the strip material is cut, the included angle between the edge cutting and the width direction of the strip material is 6-12 degrees (8 degrees in the embodiment); the belt material trimmer is positioned between the jacking mechanism at the right end of the welding line and the belt material welding device, a belt material trimming die 23 is correspondingly arranged below the belt material trimmer, the belt material trimmer comprises two plate-shaped punching heads which are arranged in parallel, and the distance between the two plate-shaped punching heads is matched with the width of a belt material.

The strip welding device is arranged in the middle of the rack and is used for welding the splicing part of the strip when the strip is at a low position; the strip welding device 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 mechanism 22 for fixing the strip 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 moving direction of the welding roller and the width direction of the strip is 6-12 degrees (9 degrees in the embodiment).

The belt tail sensor is arranged at the feeding end (not shown in the figure) of the belt material and is used for detecting the position of the tail end of the belt material;

a new belt sensor (not shown) located on a downstream side of the new belt conveying device and detecting a leading end position of the new belt;

and the control system 2 is used for connecting and controlling all working parts on the automatic belt splicing machine to complete automatic butt joint of the belt materials, and is connected with an automobile radiating pipe production line to carry out on-off control on the automobile radiating pipe production line.

The strip material butt joint method of the automatic strip joint machine for the automobile radiating tube production line comprises the following steps:

a. under the initial state, take tail climbing mechanism, new area front end climbing mechanism, welding seam left end climbing mechanism and welding seam right-hand member climbing mechanism all jack-up, through the roller hold-up area material freely pass through automatic tape splicing machine, the high-speed production of car cooling tube production line realization.

b. When the band tail sensor near the feeding end of the automatic band connecting machine detects that the band material is missing, the control system outputs a signal to the downstream radiating tube production equipment to stop the radiating tube production equipment and starts a band material butt joint program.

c. The belt tail jacking mechanism, the new belt front end jacking mechanism, the welding seam left end jacking mechanism and the welding seam right end jacking mechanism are all descended, the clamping jaw of the belt tail clamping jaw mechanism acts to clamp the belt tail, and the belt material cutting machine acts in cooperation with the belt material cutting die to cut off the belt tail.

d. The belt tail pushing mechanism drives the belt tail to move through the belt tail clamping jaw mechanism, the tail end of the belt tail is moved to a welding point, the jacking mechanism at the right end of the welding line jacks up a belt material, the belt tail is enabled to be in a suspended state, and the control system outputs a belt changing signal.

e. The material coil on the material input disc is replaced manually, the front end of a new replaced material is inserted between the new upper pressing wheel and the new lower pressing wheel through the material limiting guide wheel, the feeding button is pressed, the air cylinder is pressed to act, and the new upper pressing wheel presses down the front end of the new belt.

f. The new belt conveying motor drives the lower pressing wheel of the new belt to rotate, the front end of the new belt is conveyed to the position of the new belt sensor in a fixed speed and timing mode, and when the new belt sensor detects the front end of the new belt, the new belt conveying motor stops working.

g. The clamping jaw of the new belt clamping jaw mechanism acts to clamp the belt material, and the pressing wheel on the new belt rises to reset; the action of the strip cutting machine is matched with the strip cutting die to cut the front end of the new strip.

h. The new belt forward pushing mechanism drives the new belt clamping jaw mechanism and the belt material to be pushed forward until the front end of the new belt reaches a welding point, the jacking mechanism jacking device at the right end of the welding line descends to be retracted, the tail end of the belt is overlapped and butted with the front end of the new belt, the welding position holding mechanism clamps the belt material, the new belt forward pushing mechanism and the new belt clamping jaw mechanism reset, and the belt tail pushing mechanism and the belt tail clamping jaw mechanism reset.

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

j. The new belt forward pushing mechanism and the belt tail pushing mechanism drive the welded belt to move, so that a welding point on the belt is positioned between the belt trimming machine and the belt trimming die, and the belt trimming machine is pressed downwards to be matched with the belt trimming die to cut burrs on two sides of the welding point of the belt.

k. The new belt clamping jaw mechanism and the belt tail clamping jaw mechanism reset to loosen the belt material, the new belt forward pushing mechanism and the belt tail pushing mechanism reset, and the belt tail jacking mechanism, the new belt front end jacking mechanism, the welding seam left end jacking mechanism and the welding seam right end jacking mechanism all jack up and reset to jack up the belt material.

And l, outputting a signal to downstream radiating pipe production equipment by the control system, and starting normal high-speed production.

In addition to the above embodiments, technical features or technical data of the present invention may be reselected and combined to form a new embodiment within the scope of the claims of the present invention and the specification, which is achieved without creative efforts of those skilled in the art, 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 scope of protection of the present invention.

Claims (10)

1. The utility model provides an automatic splicing machine for car cooling tube production line, is applicable to the head and the tail butt joint of the steel area material that the width is 20-30mm, thickness is 0.5-0.8mm, a serial communication port, including frame (1), automatic splicing machine still include:

the belt material lifting device is used for lifting or lowering the position of a belt material on the rack, and when the belt material is at a high position, the belt material can pass through the rack without limitation; when the strip is at a low position, the strip is moved, cut and welded;

a new belt conveying device for inputting a new belt;

the strip moving device is used for moving the strip when the strip is at a low position so as to conveniently cut, splice and weld the strip;

the belt material guiding device is used for controlling the moving direction of the belt material when the belt material is at a low position so as to ensure that a new belt is accurately butted with the tail of the belt;

the belt material clamping mechanism is used for clamping and fixing the belt material at a low position;

the belt material trimming device comprises a belt material shearing device and a belt material trimming device, wherein the belt material shearing device is used for cutting off the head and the tail of a belt material when the belt material is at a low position so as to enable the head and the tail of the belt material to meet the splicing requirement; the belt material trimming device is used for trimming the edge of the belt material to ensure that two sides of the welding position of the belt material are smooth;

the strip welding device is arranged in the middle of the rack and is used for welding the splicing part of the strips when the strips are at a low position;

the belt tail sensor is arranged at the feeding end of the belt material and used for detecting the position of the tail end of the belt material;

a new belt sensor located on a downstream side of the new belt conveying device and detecting a leading end position of the new belt;

and the control system (2) is used for connecting and controlling each working component on the automatic belt splicing machine, completing automatic butt joint of the belt materials, and is connected with an automobile radiating pipe production line to carry out on-off control on the automatic belt splicing machine.

2. The automatic band connecting machine for the automobile radiating tube production line according to claim 1, wherein the band lifting device comprises a band tail lifting mechanism (6), a new band front end lifting mechanism (16), a welding line left end lifting mechanism (19) and a welding line right end lifting mechanism (24), the band tail lifting mechanism is positioned at the discharge end of the band on the frame, the new band front end lifting mechanism is positioned at the feed end of the band on the frame, the welding line left end lifting mechanism is positioned at the upstream side of the welding point of the band on the frame, and the welding line right end lifting mechanism is positioned at the downstream side of the welding point of the band on the frame; take tail climbing mechanism, new area front end climbing mechanism, welding seam left end climbing mechanism and welding seam right-hand member climbing mechanism all to include the jacking cylinder of a vertical setting and be connected with the jacking cylinder and be located the L shaped plate of jacking cylinder top, the horizontal segment of L shaped plate is fixed with the piston rod of jacking cylinder, two rollers that are used for wearing to establish the area material about the vertical section of L shaped plate is equipped with.

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

4. The automatic band connecting machine for the radiating tube production line of the automobile as claimed in claim 1, wherein the band moving device comprises a band tail pushing mechanism (3) and a new band forward pushing mechanism (11), the band tail pushing mechanism is located at the discharging end of the band on the frame and used for moving and positioning the band tail; the new belt forward-pushing mechanism is positioned at the feeding end of the belt material on the rack and used for moving and positioning the new belt; the belt tail pushing mechanism and the new belt forward pushing mechanism both comprise a material pushing cylinder arranged horizontally, and the cylinder is connected with the belt material clamping mechanism.

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

6. The automatic band connecting machine for the radiating tube production line of the automobile as claimed in claim 2, wherein the band guiding device comprises a band tail guiding mechanism (5) and a new band guiding mechanism (18), the band tail guiding mechanism is located between a band tail jacking mechanism and a welding seam right end jacking mechanism and used for guiding the movement of the band tail; the new belt guiding mechanism is positioned between the new belt front end jacking mechanism and the welding seam left end jacking mechanism and used for pushing and guiding the new belt forwards.

7. The automatic strip connecting machine for the radiating pipe production line of the automobile as claimed in claim 2, wherein the strip trimming device comprises a strip cutting machine (10) and a strip trimming machine (7), the strip cutting machine is located between the left end lifting mechanism of the welding seam and the strip welding device, a strip cutting die (20) is correspondingly arranged below the strip cutting machine, the strip cutting machine comprises a cutter which is arranged in a biased manner, and when the strip is cut, the included angle between the edge cutting and the width direction of the strip is 6-12 degrees; the belt material trimmer is positioned between the jacking mechanism at the right end of the welding line and the belt material welding device, a belt material trimming die (23) is correspondingly arranged below the belt material trimmer, the belt material trimmer comprises two plate-shaped punching heads which are arranged in parallel, and the distance between the two plate-shaped punching heads is matched with the width of a belt material.

8. The automatic band connecting machine for the radiating pipe production line of the automobile as claimed in claim 1, wherein the band welding device comprises a roller type welding machine (8), the roller type welding machine is provided with a welding roller (9), a welding position holding mechanism (22) for fixing the band is arranged below the welding roller, the roller type welding machine and the frame are arranged in a deflection manner, and an included angle between the moving direction of the welding roller and the width direction of the band is 6-12 degrees.

9. The automatic band connecting machine for the radiating pipe production line of the automobile as claimed in claim 1, wherein the band cutting device further comprises a head pulling mechanism for pulling out the cut band head.

10. A strip material butt joint method of an automatic strip joint machine for an automobile radiating pipe production line according to claims 1-9, characterized by comprising the following steps:

a. in an initial state, the belt tail jacking mechanism, the new belt front end jacking mechanism, the welding seam left end jacking mechanism and the welding seam right end jacking mechanism are all jacked up, a belt material is freely supported by the roller shaft to pass through the automatic belt connecting machine, and the automobile radiating pipe production line realizes high-speed production;

b. when a strip tail sensor near the feeding end of the automatic strip splicing machine detects that the strip is missing, the control system outputs a signal to radiating tube production equipment at the downstream of the automatic strip splicing machine to stop the radiating tube production equipment and start a strip butt joint program;

c. the belt tail jacking mechanism, the new belt front end jacking mechanism, the welding seam left end jacking mechanism and the welding seam right end jacking mechanism are all descended, the clamping jaws of the belt tail clamping jaw mechanism act to clamp the belt tail, and the belt material cutting machine acts in cooperation with the belt material cutting die to cut off the belt tail;

d. the belt tail pushing mechanism drives the belt tail to move through the belt tail clamping jaw mechanism, the tail end of the belt tail is moved to a welding point, the jacking mechanism at the right end of the welding line jacks up the belt material, the belt tail is in a suspended state, and a control system outputs a belt changing signal;

e. manually replacing a belt material roll on the belt material input disc, inserting the front end of a new belt material to be replaced between a new belt material upper pressing wheel and a new belt material lower pressing wheel through a belt material limiting guide wheel, pressing a feeding button, and pressing down a cylinder to act, so that the new belt material upper pressing wheel presses down the front end of the new belt;

f. the new belt conveying motor drives the lower pressing wheel of the new belt to rotate, quantitatively conveys the front end of the new belt to the position of the new belt sensor in a constant speed timing mode, and stops working when the new belt sensor detects the front end of the new belt;

g. the clamping jaw of the new belt clamping jaw mechanism acts to clamp the belt material, and the pressing wheel on the new belt rises to reset; the action of the strip cutting machine is matched with the strip cutting die to cut the front end of a new strip;

h. the new belt forward-pushing mechanism drives the new belt clamping jaw mechanism and the belt material to be pushed forward until the front end part of the new belt reaches a welding point, the jacking mechanism at the right end of the welding line descends to retract, the tail end of the belt is overlapped and butted with the front end part of the new belt, the welding position clasping mechanism clamps the belt material, the new belt forward-pushing mechanism and the new belt clamping jaw mechanism reset, and the belt tail pushing mechanism and the belt tail clamping jaw mechanism reset;

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

j. the new belt front pushing mechanism and the belt tail pushing mechanism drive the welded belt to move, so that a welding point on the belt is positioned between the belt trimming machine and the belt trimming die, and burrs on two sides of the welding point of the belt are cut off by the belt trimming machine in a downward press fit mode;

k. resetting the new belt clamping jaw mechanism and the belt tail clamping jaw mechanism, loosening the belt material, resetting the new belt forward pushing mechanism and the belt tail pushing mechanism, jacking and resetting all the belt tail jacking mechanism, the new belt front end jacking mechanism, the welding seam left end jacking mechanism and the welding seam right end jacking mechanism, and jacking the belt material;

and l, outputting a signal to downstream radiating pipe production equipment by the control system, and starting normal high-speed production.

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