CN215146678U - Full-automatic production line for heating radiators - Google Patents

Abstract

The utility model discloses an automatic production line of heating radiators, which comprises a leader automatic sequencing and directional discharging device, a pipe automatic distribution device, an automatic welding device and a finished product stacking device, wherein the leader automatic sequencing and directional discharging device and the pipe automatic distribution device respectively convey the leader to the automatic welding device and divide the leader into short pipes with equal length; the automatic welding device combines the sheet head and the short pipe and then welds and fixes the sheet head and the short pipe into a finished product; and conveying the finished products into a finished product stacking device to be discharged for stacking. The utility model discloses rational in infrastructure, realized the full process automation of radiator production via the cooperation between each device, mechanism, when the product uniformity is strong, efficient, effectively reduction in production cost improves enterprise market competition.

Description

Full-automatic production line for heating radiators

Technical Field

The utility model relates to a radiator automatic production line, specific can realize long tube segmentation, the full automatic production line of radiator of the full flow continuous automation of leader tubular product equipment, welding, pile up neatly that says so.

Background

The radiator is used as main heating equipment in a north room, and has wide application range and extremely large production and use quantity. The heating radiators are of a multi-piece structure, and a single heating radiator comprises two parallel pipe bodies and connectors arranged at the upper end and the lower end of the two pipe bodies.

Present radiator is semi-automatization production, and specific saying so is in the industrial production process of reality, and generally the manual work will use portable cutting device or cutting equipment to cut into the nozzle stub of specific length with the long tube, and the mode that passes through manual welding with the nozzle stub welds solid as an organic whole, finally accomplishes the production of radiator. In the above operations, manual work is the main object of operation and processing, but the problems of low efficiency, slow speed and high cost exist, and the production cost of the heating radiator is high. And as the popularity of people decreases, the difficulties of job recruitment have become a major concern for such labor-intensive enterprises. In addition, there are problems of erroneous operation and difficulty in complete repetition due to manual operation, and thus, the uniformity of products is poor.

For this reason, automation of the whole process of radiator production is always expected to be realized in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the not enough that prior art exists, provide a can realize the full-automatic production line of radiator production process full automatization.

In order to achieve the above object, the utility model adopts the following technical scheme: an automatic production line of heating radiators comprises an automatic head sequencing and directional discharging device, an automatic pipe distributing device, an automatic welding device and a finished product stacking device, wherein the automatic head sequencing and directional discharging device and the automatic pipe distributing device respectively convey heads to the automatic welding device and divide the heads into short pipes with equal length; the automatic welding device combines the sheet head and the short pipe and then welds and fixes the sheet head and the short pipe into a finished product; and conveying the finished products into a finished product stacking device to be discharged for stacking.

The automatic head sorting and directional discharging device is used for sorting scattered heads into heads in the same direction and in the same placing state and sending the heads out.

The automatic tube distributing device sequentially cuts the long tubes into short tubes with equal length.

The automatic welding device combines the sheet head and the short pipe, then positions the sheet head and the short pipe through initial welding, and then welds the two sheet heads and the two short pipes into a whole.

The finished product stacking device arranges the produced radiators into groups and then transfers the radiators out, and the radiators are transferred out and alternately rotated by 90 degrees to form stacked multi-layer stacking.

The automatic slice head sequencing and directional discharging device comprises a step feeding device, a first conveying belt, a feed back conveying belt, a second conveying belt, a third conveying belt, a first material pushing assembly, a second material pushing assembly, a reversing assembly and a staggered pushing assembly, wherein the step feeding device is matched with the first conveying belt in an alignment mode; the feed back conveying belt is arranged on the stepped feeding device and is in alignment fit with the first conveying belt; the ladder feeding device comprises a material box, a feeding ladder arranged in the material box and a driving assembly for driving the feeding ladder to move; the first conveying belt is connected with the second conveying belt in a staggered manner; the second conveying belt is connected with the third conveying belt in a staggered manner; the first pushing assembly is arranged at the position of the alignment connection of the first conveying belt and the second conveying belt; the second pushing assembly is arranged at the position of the alignment connection of the second conveying belt and the third conveying belt; the first material pushing assembly and the second material pushing assembly respectively comprise a material pushing cylinder, a material pushing rod arranged on the material pushing cylinder and a photoelectric sensor used for detecting the material state; a first material guide plate is arranged at the matching position of the first conveying belt and the return conveying belt and used for separating the sheet heads which are arranged in a staggered manner on the conveying belt and guiding the sheet heads which are arranged in a staggered manner into the return conveying belt; the feed-back conveyer belt sends the staggered chip heads back to the feed box; the reversing device is arranged on the second conveying belt and comprises a motor, a reversing jig and a photoelectric sensor, wherein the motor is arranged on the second conveying belt through a support, the reversing jig is arranged on a main shaft of the motor, the photoelectric sensor is arranged on the side surface of the second conveying belt through the support, and the rotary cylinder can drive the reversing jig to rotate so as to horizontally reverse the sheet head conveyed by the second conveying belt when needed; the second conveying belt is also provided with a second material guide plate, and the material guide plate is used for reversing the placing posture of the film leader so as to change the film leader from a vertical placing state to a horizontal swinging state; the staggered push-out component is arranged on the third conveyor belt; the dislocation pushing device comprises a photoelectric sensor group arranged on the third conveying belt through a bracket and a horizontal cylinder arranged on one side of the third conveying belt and provided with a pushing block; two groups of transferring and discharging assemblies are also arranged on the third conveyor belt;

the transferring and discharging assembly comprises a pneumatic movable material baffle plate which is arranged on the third conveying belt and can switch the material blocking state, a rotary cylinder which is arranged beside the third conveying belt through a bracket, a horizontal material grabbing cylinder which is arranged on a main shaft of the rotary cylinder, and an electromagnetic block which is arranged on a movable shaft of the material grabbing cylinder; the pneumatic movable material baffle blocks the sheet head on the third conveying belt, the material grabbing cylinder can drive the electromagnetic block to stretch out and draw back and grab the sheet head on the third conveying belt and the sheet head is transferred out under the drive of the rotating cylinder, and discharging is achieved.

The automatic pipe distributing device comprises a main material rack, an auxiliary material rack, a chain type material lifting mechanism, a material distributing component group, a pipe pushing component and a fixed-length cutting component, wherein the main material rack and the auxiliary material rack are matched in an aligning mode; the two chain type material lifting mechanisms are symmetrically arranged on the main material rack through a bracket; the material distribution component group consists of a plurality of material distribution components which are arranged on the side edge of the main material frame and are horizontally arranged in a straight line; the pipe pushing assembly is arranged on the side surface of the main material rack and is in alignment fit with the material distributing assembly group; the fixed-length cutting assembly is arranged on the auxiliary material rack and is in alignment fit with the material distribution assembly;

a plurality of long pipes are arranged on the main material rack and matched with the chain type material lifting mechanism; the chain type material lifting mechanism can push the chain type material lifting mechanism to one side of the material distribution component group; the material distribution component group separates the long pipes on the main material rack one by one; the pipe pushing assembly pushes the long pipe entering the material distribution assembly group into the fixed-length cutting assembly in the auxiliary material rack; the fixed-length cutting assembly divides the long pipe into short pipes with equal length and sends the short pipes out;

the chain type material lifting mechanism comprises a motor and a chain, one end of the chain is fixedly connected to the main material rack and is meshed with a main shaft of the motor;

the material distribution assembly comprises a main material pushing unit, an auxiliary material pushing unit and a material waiting guide groove, wherein the auxiliary material pushing unit is arranged on the main material pushing unit and is in alignment fit with the material waiting guide groove together; the auxiliary pushing unit is arranged on the main pushing unit and synchronously and vertically moves along with the main pushing unit; the main material pushing unit comprises a main cylinder and a main inclined plane push block arranged on the main cylinder; the auxiliary pushing unit comprises an auxiliary cylinder and a triangular block arranged on a main shaft of the auxiliary cylinder; the material waiting guide groove comprises an X-shaped material guide roller frame and a material feeding guide sheet arranged on the X-shaped material guide roller frame;

the push pipe assembly comprises a push block capable of horizontally reciprocating and a push cylinder for driving the push block to move;

the fixed-length cutting assembly comprises a feeding guide rail arranged on the auxiliary frame, a movable clamping mechanism arranged on the feeding guide rail, a driving unit arranged on the auxiliary frame and connected and matched with the movable clamping mechanism, and a pipe cutting machine for cutting pipes, wherein the auxiliary frame is also provided with a first fixed clamping mechanism and a second fixed clamping mechanism which are positioned at two sides of the pipe cutting machine, and the driving unit can drive the movable clamping mechanism to do reciprocating linear motion along the feeding guide rail; the pipe cutting machine is hinged on the auxiliary frame and is connected and matched with a lifting cylinder, and the cylinder can enable the pipe cutting machine to rotate around the mounting shaft, so that the pipe cutting machine can rotate and complete pipe cutting.

The automatic welding device comprises a film head feeding mechanism, a pipe body feeding mechanism, a primary welding mechanism, a secondary welding mechanism, a first conveying mechanism and a second conveying mechanism, wherein the film head feeding mechanism and the pipe body feeding mechanism are in alignment connection and matching with the primary welding mechanism; the primary welding mechanism is connected and matched with at least one secondary welding mechanism through a first conveying mechanism; the second conveying mechanism is in contraposition connection and matching with the re-welding mechanism;

the leader feeding assembly and the pipe body feeding mechanism are respectively used for sequentially feeding the leader and the pipe bodies into the primary welding mechanism, the two pipe bodies are respectively inserted into the two leaders, and the four parts are matched to form a combined part; the primary welding mechanism performs spot welding on the sheet head and the pipe body in the assembly to realize foundation fixation; the first conveying mechanism conveys the spot-welded assembly into a re-welding mechanism; then the welding mechanism carries out overall welding on the connecting surface of the head and the pipe body in the assembly, so that the assembly becomes a radiator; the second conveying mechanism sends out the welded heating radiators;

the pipe feeding mechanism comprises a pipe conveying belt, a pipe groove and a two-direction tooth-shaped conveying frame, and the pipe conveying belt is in alignment fit with the pipe groove; the pipes falling in the pipe groove are vertically and longitudinally arranged; an outlet pipe opening is reserved at the lower part of the pipe chute, and a plurality of arc-shaped material guide plates are arranged at the outlet pipe opening; the pipe chute is also internally provided with a pneumatic push rod, and the pneumatic push rod can push the pipe out of the outlet pipe orifice of the pipe chute and then fall into the two-direction tooth-shaped conveying frame through the arc-shaped material guide plate; the two-direction tooth-shaped conveying frame can realize reciprocating linear motion in two horizontal and vertical directions and comprises a horizontal guide rail group, a sliding block arranged on the horizontal guide rail group, a vertical air rod arranged on the sliding block, a discharging rack group arranged on the sliding block and connected with the vertical air rod, and a horizontal air rod used for driving the sliding block to do reciprocating linear motion along the guide rail; the discharging gear set consists of at least two symmetrically arranged racks, semi-arc grooves are formed on the racks by utilizing spaced bulges, and opposite semi-arc grooves of the two racks are matched to form a pipe trough;

the primary welding mechanism comprises two symmetrically arranged jigs with the function of clamping materials, a feeding guide groove connected with the corresponding jig, two groups of automatic welding units which are movably arranged above the corresponding jig through a bracket and can vertically move, and two positioning units which are arranged between the two jigs and are matched with the corresponding jig; each group of automatic welding units comprises two welding guns, a welding wire feeding mechanism, an adjustable clamp and a vertical driving mechanism, wherein the welding wire feeding mechanism is respectively matched with the corresponding welding guns, the adjustable clamp is used for mounting the welding guns, and the vertical driving mechanism is used for driving the adjustable clamp and the welding guns to move in the vertical direction; the two jigs are provided with horizontal pneumatic movable parts, and the sheet heads in the jigs are clamped by the pneumatic movable parts; the positioning unit is used for tensioning the two pipe bodies matched with the film heads, so that the matching precision in the assembly is ensured; the positioning unit comprises a positioning cylinder, a fixed block and a movable block which is arranged on a moving shaft of the positioning cylinder and is fixedly matched with the fixed block, and the movable block can be driven by the positioning cylinder to realize reciprocating motion in the horizontal direction and further realize approaching or separating action with the fixed block; the primary welding mechanism is also provided with an arc-shaped discharging guide plate group positioned beside the jig;

the leader feeding mechanism comprises two leader pushing and pressing assemblies which are arranged beside the two jigs and are in contraposition fit with the feeding guide grooves in the corresponding jigs, and two leader conveyer belts which are in contraposition fit with the corresponding leader pushing and pressing assemblies; the film head pushing and pressing assembly comprises a film head guide groove and a gas rod for pushing the film head to push; a film head detection sensor is arranged in the film head guide groove;

the first conveying mechanism comprises a first conveying belt and at least one material pushing mechanism positioned beside the conveying belt, and the conveying belt is arranged on one side of the primary welding mechanism through a mounting frame and is in alignment fit with the arc-shaped discharging guide plate group; the pushing mechanism is matched with the re-welding mechanism in an alignment mode and used for pushing the assembly parts on the first conveying belt into the re-welding mechanism;

the re-welding mechanism comprises a machine table, a two-axis feeding device, a three-axis movable welding gun, rotary bases and a deslagging assembly, wherein the two rotary bases are symmetrically arranged on the machine table to form the rotary assembly; the two-axis feeding device is arranged between the two rotating bases and is used for feeding and releasing the assembly parts to the rotating assemblies; two three-axis movable welding guns are symmetrically arranged on the machine table and are in alignment fit with the corresponding rotating bases; a deslagging assembly is arranged on the rotating base; the two-axis feeding device is matched with a pushing mechanism in the first conveying mechanism in an aligning way, and the pushing mechanism pushes the assembly parts conveyed on the first conveying mechanism into the two-axis feeding device; the two-shaft feeding device comprises a material rack and a two-shaft driving assembly for driving the material rack to move in the horizontal and vertical directions; a plurality of material conveying positions are separated on the material rack through bulges; the three-axis movable welding gun comprises a Y-direction guide rail, a Y-direction sliding block arranged on the Y-direction guide rail, a Y-direction driving assembly arranged on the Y-direction guide rail and connected with the Y-direction sliding block to be matched with the Y-direction sliding block for driving the Y-direction sliding block to move along the Y-direction guide rail, an X-direction guide rail arranged on the Y-direction sliding block, an X-direction sliding block arranged on the X-direction guide rail, an X-direction driving assembly arranged on the X-direction guide rail and connected with the X-direction sliding block to be matched with the X-direction sliding block for driving the X-direction sliding block to move along the X-direction guide rail, a Z-direction guide rail arranged on the X-direction sliding block, a Z-direction sliding block arranged on the Z-direction guide rail, a welding gun mounting frame arranged on the Z-direction guide rail and a welding gun arranged on the welding gun mounting frame; the welding gun is connected and matched with an automatic welding wire feeding assembly; the rotary base comprises a vertical substrate, a rotary clamp arranged on the vertical substrate through a rotary shaft, and a rotary motor which is arranged on the vertical substrate and matched with the rotary clamp;

an automatic welding unit and a corresponding jig in the initial welding mechanism are arranged on a platform with a guide rail, and a driving unit is arranged on the platform and used for driving the platform to reciprocate along the guide rail, so that after the jig clamps a leader, when the automatic welding unit works, a combined piece of the leader and a pipe body is pressed;

a photoelectric probe which is in contraposition fit with the two-shaft feeding device is also arranged in the re-welding mechanism and is used for detecting whether the two-shaft feeding device has materials or not;

the rotary fixture is arranged on the machine table through a guide rail and is connected with a driving mechanism, and the driving mechanism is used for driving the rotary fixture to move along the guide rail;

the rotary clamp is provided with a clamping groove for clamping the film head;

a material guide plate is arranged between the re-welding mechanism and the second conveyor belt;

the slag removing component comprises a block body and a spring arranged on the block body, the inner diameter of the spring is matched with the size of the front end working part of the welding gun, the welding gun can move to the slag removing component after working, the front end working part of the welding gun is inserted into the spring, and the spring is utilized to strip away the slag;

the finished product stacking device comprises a feeding assembly, a shifting assembly and a controller, wherein the controller is respectively connected with the feeding assembly and the shifting assembly and respectively controls the feeding assembly and the shifting assembly to work; the feeding assembly is matched with the shifting assembly in an alignment way; the feeding assembly is used for placing the heating radiators in groups; and the shifting assembly transfers and stacks the arranged heater group in the feeding assembly.

The feeding component comprises a material waiting frame, a material pushing rod and a material coming sensor; the material pushing rod is connected with the controller and is in alignment fit with the material waiting frame; a stop plate is arranged on the material waiting frame; at least one incoming material sensor is arranged on the material waiting frame and connected with the controller;

the code shifting assembly comprises a horizontal guide rail, a rack, a vertical guide rail set, a chain type lifting mechanism, a horizontal driving mechanism and a material shifting mechanism; the frame is arranged on the horizontal guide rail; the horizontal driving mechanism is connected with the rack and can drive the rack to do reciprocating horizontal linear motion on the horizontal guide rail; the vertical guide rail is arranged on the frame; the two chain type lifting mechanisms are arranged at the top of the frame and move synchronously;

the chain type lifting mechanism comprises a motor with a gear and a chain which is connected and matched with the gear on the motor;

the material moving mechanism is arranged on the vertical guide rail set, is connected with the chains of the two chain type lifting mechanisms and is synchronously driven by the two chain type lifting mechanisms to realize the vertical reciprocating linear motion along the vertical guide rail set; the material moving mechanism comprises a base plate, a mounting plate, a pneumatic clamping jaw and a rotating motor, wherein the vertical base plate is connected and matched with the chain in the chain type lifting mechanism; the rotating motor is arranged on the vertical substrate, is connected and matched with the mounting plate and can drive the mounting plate to rotate in the horizontal direction; the pneumatic clamping jaw is arranged on the mounting plate;

a plurality of electromagnetic modules are installed in the pneumatic clamping jaw;

the horizontal driving mechanism comprises a rack arranged on the horizontal guide rail and a motor meshed with the rack.

The utility model discloses during the implementation, its theory of operation and action step are as follows:

the step feeding device of the automatic chip head sequencing and directional discharging device sends the scattered and disordered chip heads in the material box to the first conveying belt, the guide plate on the first conveying belt guides the chip heads which do not stand vertically into the feed back conveying belt, and the feed back conveying belt sends the chip heads back to the material box to realize primary sequencing, the sequenced chip heads are in a vertical state at the moment, and when the chip heads advance to the joint of the first conveying belt and the second conveying belt, the first material pushing assembly senses the chip heads and horizontally pushes the chip heads onto the second conveying belt; when the second conveying belt travels, the reversing assembly judges the placing direction of the leader by detecting the leader hole position, if the direction is wrong, the reversing jig of the reversing assembly reverses the leader to ensure that the leader on the second conveying belt is placed in the vertical state and the placing direction is the same, after the action is finished, the leader is changed from the vertical state to the horizontal swing state through the second material guide plate, the leader in the horizontal swing state travels to the joint of the second conveying belt and the third conveying belt, and the second material pushing assembly horizontally pushes the leader into the third conveying belt after sensing the leader; the misplaced push-out component on the third conveying belt can sense the hole position on the film head through the photoelectric sensor to confirm the placing direction of the misplaced push-out component again, and if the placing direction is wrong, the misplaced push-out component pushes the misplaced push-out component out of the third conveying belt. And finally, the discharging assembly is transferred to send out the sheet head. When the automatic sheet head sequencing and directional discharging device works, in the automatic pipe distributing device, a plurality of long pipes are placed on the main material rack, the chain type material lifting mechanism pushes the long pipes to one side of the material distributing component, then the long pipes are separated and individually enter the material distributing component group, the long pipe is pushed into the fixed-length cutting assembly by the pipe pushing assembly, in order to ensure the smoothness of one end of the long pipe, a movable material clamping mechanism in the fixed-length cutting assembly firstly grasps the long pipe and pulls the long pipe to the pipe cutting machine, then the second fixed material clamping mechanism clamps the long pipe and then cuts and flattens one end of the long pipe, after the flattening is finished, the material clamping mechanism pulls the long pipe to travel for a set length, the long pipe is fixed by the first fixed material clamping mechanism and the second fixed material clamping mechanism, then the short pipe is cut off by the pipe cutting machine, the short pipe is sent out, and the movement of pipe grabbing, traveling and cutting is repeated, so that the full-automatic processing of pipe dividing, pipe conveying and pipe cutting is completed. The automatic bit head sequencing, directional discharging device and the automatic pipe distributing device send the respectively finished bit heads and pipes into the automatic welding device, at the moment, the short pipes are sent into a pipe groove in the pipe body feeding machine, so that the pipes are vertically arranged in the pipe groove from top to bottom, and the pipes are sequentially pushed out from an opening at the bottom of the pipe groove and fall into the pipe groove in the two-direction tooth-shaped conveying frame. The toothed conveying frames in the two directions move in a mode of firstly vertical and then horizontal to place the pipes in the pipe trough into the jig, and at the moment, the positioning units and the pneumatic movable parts in the jig move to clamp the two pipes and simultaneously keep a parallel distance.

Meanwhile, the leader is sent to the leader conveyer belt, the two sides of the leader conveyer belt are provided with baffle plates, when the conveyer belt sends the leader to the position of the leader pushing and pressing component, whether the leader is fed or not is detected firstly, when the leader is in place, the leader pushing and pressing component works, the leader is horizontally pushed into a jig in a primary welding mechanism, two pipes are synchronously inserted into jacks preset on the leader, the combination of the combined parts is completed, an automatic welding unit in the primary welding mechanism performs spot welding and fixing on the matching positions of the leader and the pipes up and down, after the spot welding is completed, a pneumatic movable part, a positioning unit and an automatic welding unit reset, the combined parts are lifted up and sent into a first conveyer mechanism by a two-direction tooth-shaped conveyer frame, the combined parts are sent to a secondary welding mechanism by the first conveyer mechanism and are pushed into a two-shaft feeder device, and the two-shaft feeder device can perform horizontal feeding, horizontal feeding and horizontal feeding, The assembly is conveyed to the clamping groove position of the rotating assembly by moving in two vertical directions, then two rotating clamps in the rotating assembly move oppositely along the guide rail, and the assembly is conveyed to the rotating assembly, and the rotating assembly can drive the assembly to rotate integrally after being fixed.

After the steps are completed, the welding gun in the welding mechanism performs XYZ triaxial movement to be matched with the rotating assembly, so that the welding gun welds and seals the matching interface of the sheet head and the pipe body in the assembly, and a finished product is finished. Finished radiators are conveyed to a finished product stacking device through a conveyor belt, radiators conveyed by a conveying belt of automatic feeding are pushed into a material waiting frame by a material pushing rod in a feeding assembly in the finished product stacking device to form a radiator group, then a pneumatic clamping jaw grabs the radiator group and simultaneously an electromagnetic module works to clamp and suck the radiator group, finally the radiator group is transferred to a set position, and when the radiator group is transferred alternately, a rotating motor works in a reciprocating mode, so that the transferred radiator group is in a cross-shaped alternate mode, and stacking work is completed.

The utility model discloses rational in infrastructure, realized the full process automation of radiator production via the cooperation between each device, mechanism, when the product uniformity is strong, efficient, effectively reduction in production cost improves enterprise market competition.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the specification and together with the description, serve to explain the principles of the specification.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the present invention.

Fig. 3 is a schematic structural view of the automatic sequencing and directional discharging device for medium leader pieces of the present invention.

Fig. 4 is a schematic structural view of another view angle of the automatic sorting and directional discharging device for medium leader pieces of the present invention.

Fig. 5 is a schematic structural view of the automatic tube dispensing device of the present invention.

Fig. 6 is a schematic structural view of another view of the automatic dispensing device for middle tubes of the present invention.

Fig. 7 is a schematic structural view of the automatic welding device of the present invention.

Fig. 8 is a schematic structural view of another view angle of the automatic welding device of the present invention.

Fig. 9 is a structural diagram of the middle finished product stacking device according to the present invention.

Fig. 10 is a schematic structural view of another view angle of the intermediate product stacking apparatus according to the present invention.

Detailed Description

Various exemplary embodiments of the present specification will now be described in detail with reference to the accompanying drawings.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "left", "right", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example (b):

as shown in fig. 1 and 2, the utility model comprises a leader automatic sequencing and directional discharging device 1, a pipe automatic distribution device 2, an automatic welding device 3 and a finished product stacking device 4, wherein the leader automatic sequencing and directional discharging device 1 and the pipe automatic distribution device 2 respectively convey the leader into the automatic welding device 3 and divide the leader into short pipes with equal length; the automatic welding device 3 combines the sheet head and the short pipe and then welds and fixes the sheet head and the short pipe into a finished product; the finished products are sent into a finished product stacking device 4 to be sent out for stacking.

As shown in fig. 3 and 4, the automatic chip end sequencing, orienting and discharging device 1 includes a step feeding device 101, a first conveyor belt 102, a feed-back conveyor belt 103, a second conveyor belt 104, a third conveyor belt 105, a first pushing assembly 106, a second pushing assembly 107, a reversing assembly 108, and a staggered pushing assembly 110, wherein side baffles are disposed on the first conveyor belt 102, the second conveyor belt 104, and the third conveyor belt 105; the step feeding device 101 is matched with the first conveying belt 102 in an alignment way; the feed-back conveyer belt 103 is arranged on the ladder feeding device 101 and is in alignment fit with the first conveyer belt 102; the ladder feeding device 101 comprises a feed box 111, a feeding ladder 112 arranged in the feed box 111 and a driving assembly for driving the feeding ladder 112 to move; the first conveyor belt 102 is connected with the second conveyor belt 104 in a staggered manner; the second conveyer belt 104 is connected with the third conveyer belt 105 in a staggered way; the first pushing assembly 106 is arranged at the position of the alignment connection between the first conveyor belt 102 and the second conveyor belt 104; the second pushing assembly 107 is arranged at the position of the second conveying belt 104 and the third conveying belt 105; the first material pushing assembly 106 and the second material pushing assembly 107 both comprise a material pushing cylinder 114, a material pushing rod arranged on the material pushing cylinder 114 and a photoelectric sensor 105 for detecting the material state; a first material guide plate 116 is arranged at the matching position of the first conveying belt 102 and the return conveying belt 103, the material guide plate 116 is used for separating the sheet heads 117 which are arranged in a staggered manner on the conveying belt and guiding the sheet heads 117 which are arranged in a staggered manner into the return conveying belt 103; the feed back conveyor belt 103 conveys the staggered sheet heads to a feed back box 111; the reversing device 108 is mounted on the second conveyor belt 104 and comprises a motor 118 mounted on the second conveyor belt 104 through a bracket, a reversing jig 119 mounted on a main shaft of the motor 118 and a photoelectric sensor 120 mounted on the side surface of the second conveyor belt 104 through a bracket, wherein the motor 118 can drive the reversing jig 119 to rotate, and then horizontally reverses the sheet head 117 conveyed by the second conveyor belt 104 when needed; the second conveying belt 104 is further provided with a second material guide plate 121, and the material guide plate 121 is used for reversing the placing posture of the leader 117 so as to change the leader 117 from a vertical placing state to a horizontal swinging state; the dislocation pushing assembly 110 is arranged on the third conveying belt 105; the offset pushing device 110 comprises a photoelectric sensing group 123 mounted on the third conveyer belt 105 through a bracket, and a horizontal cylinder 124 with a pushing block mounted on one side of the third conveyer belt 105. The third conveyer belt 105 is also provided with two groups of transferring and discharging components 109 and 113; the transferring and discharging assemblies 109 and 113 comprise a pneumatic movable material baffle 125 which is arranged on the third conveyer belt 105 and can switch the material blocking state, a rotary cylinder 126 which is arranged beside the third conveyer belt 105 through a bracket, a horizontal material grabbing cylinder 127 which is arranged on the main shaft of the rotary cylinder 126, and an electromagnetic block 128 which is arranged on the movable shaft of the material grabbing cylinder 127; the pneumatic movable striker plate 125 stops the leader 117 on the third conveyor belt 105, and the material grabbing cylinder 127 can drive the electromagnetic block 128 to stretch and retract, grab the leader 117 on the third conveyor belt 105, and is driven by the rotating cylinder 126 to move out, so as to realize material discharging.

As shown in fig. 5-6, the automatic tube dispensing device 2 includes a main rack 203, an auxiliary rack 204, a chain-type material lifting mechanism 205, a material distributing component group, a tube pushing component 207, and a fixed-length cutting component, wherein the main rack 203 and the auxiliary rack 204 are aligned and matched; the two chain type material lifting mechanisms 205 are symmetrically arranged on the main material rack 203 through a bracket; the chain type material lifting mechanism 205 comprises a motor 209 and a chain 210 with one end fixed on the main material rack 203 and meshed with a main shaft of the motor 209. The material distribution component group consists of a plurality of material distribution components 206 which are arranged on the side edge of the main material frame 203 and are horizontally arranged in a straight line; the material distribution assembly 206 comprises a main pushing unit, an auxiliary pushing unit and a material waiting guide groove, wherein the auxiliary pushing unit is arranged on the main pushing unit and is in alignment fit with the material waiting guide groove together; the auxiliary pushing unit is arranged on the main pushing unit and synchronously and vertically moves along with the main pushing unit; the main material pushing unit comprises a main cylinder and a main inclined plane push block 211 arranged on the main cylinder; the auxiliary pushing unit comprises an auxiliary cylinder and a triangular block 212 arranged on a main shaft of the auxiliary cylinder; the material waiting guide groove comprises an X-shaped material guide roller shaft frame 213 and a material feeding guide piece 214 arranged on the X-shaped material guide roller shaft frame 213. The pipe pushing assembly 207 is arranged on the side surface of the main material rack 203 and is in alignment fit with the material distributing assembly group; the fixed-length cutting assembly 208 is mounted on the sub-rack 204 and is aligned with the material distribution assembly. A plurality of long pipes 201 are placed on the main material rack 203 and matched with the chain type material lifting mechanism 205; the chain-type material lifting mechanism 205 can push the material lifting mechanism to one side of the material distribution component group; the long pipes on the main material rack 203 are separated one by the material distributing component group; the pipe pushing component 207 pushes the long pipe entering the material distributing component group into the fixed-length cutting component 208 in the auxiliary rack 204; the push tube assembly 207 includes a pusher block 215 that is horizontally reciprocable and a pusher cylinder that drives the pusher block 215 in motion. The fixed-length cutting assembly 208 divides the long pipe 201 into short pipes 202 with equal length and sends out. The fixed-length cutting assembly 208 comprises a feeding guide rail 216 mounted on the auxiliary frame 204, a movable material clamping mechanism 217 mounted on the feeding guide rail 216, a driving unit 218 mounted on the auxiliary frame 204 and connected and matched with the movable material clamping mechanism 217, and a pipe cutting machine 219 for cutting pipes, wherein a first fixed material clamping mechanism 220 and a second fixed material clamping mechanism 221 which are located on two sides of the pipe cutting machine 219 are further arranged on the auxiliary frame 204, and the driving unit 218 can drive the movable material clamping mechanism 217 to do reciprocating linear motion along the feeding guide rail 216. The pipe cutter 219 is hinged to the sub-frame 204 and is coupled to a lifting cylinder 222, and the cylinder 222 can rotate the pipe cutter 219 around the mounting shaft to rotate the pipe cutter 218, thereby completing the pipe cutting operation. The sub-frame 204 is also provided with a movable discharging plate 223 opposite to the pipe cutting machine 209, and the movable discharging plate 223 can be driven by a cylinder to do reciprocating linear motion in the horizontal direction to send out the short pipe 202 after being cut short.

As shown in fig. 7-8, the automatic welding device 3 of the present invention includes a leader feeding mechanism 301, a tube feeding mechanism 302, a primary welding mechanism 303, a secondary welding mechanism 304, a first conveying mechanism 305, and a second conveying mechanism 306, wherein the leader feeding mechanism 301 and the tube feeding mechanism 302 are connected and matched with the primary welding mechanism 303 in an alignment manner; the primary welding mechanism is connected and matched with a secondary welding mechanism 304 of 303 through a first conveying mechanism 305; the second conveying mechanism 306 is in alignment connection and matching with the re-welding mechanism 304;

the leader feeding assembly 301 and the tube body feeding mechanism 302 are respectively used for sequentially feeding the leader 307 and the tube bodies 308 into the primary welding mechanism 303, the two tube bodies 308 are respectively inserted into the two leaders 307, and the four parts are matched to form an assembly 309; the primary welding mechanism 303 spot-welds the leader 307 and the pipe body 308 in the assembly 309 to realize the basic fixation; the first conveying mechanism 305 conveys the spot-welded assembly 309 into the re-welding mechanism 304; the head 307 of the assembly 309 is welded to the connection surface of the pipe 308 by the re-welding mechanism 304, so that the assembly 309 becomes a radiator; the second conveying mechanism 306 sends out the welded heating radiators;

the tube feeding mechanism 302 comprises a tube conveyer belt 3201, a tube groove 3202 and a two-direction tooth-shaped conveying frame 3203, wherein the tube conveyer belt 3201 is in alignment fit with the tube groove 3202; the tubes 308 falling in the tube groove 3202 are vertically arranged; a pipe outlet is reserved at the lower part of the pipe groove 3202, and a plurality of arc-shaped material guide plates 3204 are arranged at the pipe outlet; a pneumatic push rod is arranged in the pipe chase 3202, and the pneumatic push rod can push the pipe 308 out of the outlet pipe orifice of the pipe chase 3202 and then fall into the two-direction tooth-shaped conveying frames 3203 through the arc-shaped material guide 3204 plate; the two-direction tooth-shaped conveying frame 3203 can realize reciprocating linear motion in two horizontal and vertical directions and comprises a horizontal guide rail group, a sliding block arranged on the horizontal guide rail group, a vertical air rod arranged on the sliding block, a discharging rack group arranged on the sliding block and connected with the vertical air rod, and a horizontal air rod used for driving the sliding block to do reciprocating linear motion along the guide rail; the discharging gear set consists of at least two symmetrically arranged racks, semi-arc grooves are formed on the racks by utilizing spaced bulges, and opposite semi-arc grooves of the two racks are matched to form a pipe trough;

the primary welding mechanism 303 comprises two symmetrically arranged jigs 3301 with clamping function, a feeding guide groove connected with the corresponding jig 3301, two groups of automatic welding units which are arranged above the corresponding movable jig 3301 through a bracket and can vertically move, and two positioning units 3302 which are arranged between the two jigs 3301 and are matched with the corresponding jig; each group of automatic welding units comprises two welding guns, a welding wire feeding mechanism 3305 matched with the corresponding welding guns 3303 and 3304, an adjustable clamp 3306 used for installing the welding guns 3303 and 3304, and a vertical driving mechanism 3307 used for driving the adjustable clamp 3306 and the welding guns 3303 and 3304 to move in the vertical direction; horizontal pneumatic movable parts are arranged on the two jigs 3301, and the sheet heads in the jigs 3301 are clamped by the pneumatic movable parts; the positioning unit 3302 is used to tension the parallel distance between the two tubes 308 engaged with the leader, thereby ensuring the engagement precision in the assembly 309; the positioning unit 3302 comprises a positioning cylinder, a fixed block, and a movable block which is arranged on a moving shaft of the positioning cylinder and is fixedly matched with the fixed block, and the movable block can be driven by the positioning cylinder to realize reciprocating motion in the horizontal direction, so as to realize approaching or separating action with the fixed block; the primary welding mechanism 303 is also provided with an arc-shaped discharging guide plate group 3308 positioned beside the jig 3301; the automatic welding unit and the corresponding jig 3301 in the initial welding mechanism 303 are mounted on a platform 3309 with a guide rail, and a driving unit is mounted on the platform 3309 and used for driving the platform 3309 to reciprocate along the guide rail, so that after the jig 3301 clamps the leader, the assembly 309 of the leader 307 and the pipe body 308 is pressed when the automatic welding unit works.

The leader feeding mechanism 301 comprises two leader pushing assemblies 3101 and 3102 which are arranged beside the two jigs 3301 and are aligned and matched with the feeding guide grooves in the corresponding jigs 3301, and two leader conveyer belts 3103 and 3104 which are aligned and matched with the corresponding leader pushing assemblies 3101 and 3102; the film head pushing components 33101 and 102 comprise film head guide grooves and gas rods for pushing the film heads to push; a film head detection sensor is arranged in the film head guide groove;

the first conveying mechanism 305 comprises a first conveying belt and a material pushing mechanism 3501 positioned beside the conveying belt, wherein the conveying belt is arranged on one side of the primary welding mechanism 303 through a mounting frame and is in alignment fit with the arc-shaped discharging guide plate set 3308; the pushing mechanism is matched with the re-welding mechanism in an alignment mode and used for pushing the assembly 309 on the first conveying belt into the re-welding mechanism 304;

the re-welding mechanism 304 comprises a machine table 3401, a two-axis feeding device 3402, a three-axis movable welding gun 3403, rotating bases 3404 and 3405 and a deslagging assembly 3406, wherein the two rotating bases 3404 and 3405 are symmetrically arranged on the machine table 3401 to form a rotating assembly; the two-axis feeding device 3402 is installed between the two rotating bases 3404, 3405, and has a feeding assembly 309 for feeding the rotating components; the two three-axis movable welding guns 3403 are symmetrically arranged on the machine table 3401 and are in alignment fit with the corresponding rotating bases; the rotating bases 3404, 3405 are provided with a deslagging assembly 3406; the two-axis feeding device 3402 is aligned and matched with a material pushing mechanism 3501 in the first conveying mechanism 305, and the material pushing mechanism 3501 pushes the assembly 309 conveyed by the first conveying mechanism 305 into the two-axis feeding device 3402; the two-axis feeding device 3402 comprises a material rack and a two-axis driving assembly for driving the material rack to move in the horizontal and vertical directions; a plurality of material conveying positions are separated on the material rack through bulges; the three-axis movable welding gun 3403 comprises a Y-direction guide rail, a Y-direction slider arranged on the Y-direction guide rail, a Y-direction driving assembly which is arranged on the Y-direction guide rail and is connected with the Y-direction slider and matched with the Y-direction slider for driving the Y-direction slider to move along the Y-direction guide rail, an X-direction guide rail arranged on the Y-direction slider, an X-direction slider arranged on the X-direction guide rail, an X-direction driving assembly which is arranged on the X-direction guide rail and is connected with the X-direction slider and matched with the X-direction slider for driving the X-direction slider to move along the X-direction guide rail, a Z-direction guide rail arranged on the X-direction slider, a Z-direction slider arranged on the Z-direction guide rail, a welding gun mounting rack arranged on the Z-direction guide rail and connected with the Z-direction slider, and a welding gun arranged on the welding gun mounting rack; the welding gun is connected and matched with an automatic welding wire feeding assembly; the spin base 3404, 3405 includes a vertical base plate, a spin chuck mounted on the vertical base plate through a spin shaft, and a spin motor on the vertical base plate and engaged with the spin chuck.

And a photoelectric probe 3407 which is in contraposition fit with the two-shaft feeding device is also arranged in the re-welding mechanism 304, and the photoelectric probe 3407 is used for detecting whether the two-shaft feeding device 3402 contains materials.

The rotary clamps 3404, 3405 are mounted on the machine 3401 through guide rails, and are connected with a driving mechanism for driving the rotary clamps 3404, 3405 to move along the guide rails.

The rotary clamp is provided with a clamping groove for clamping the film head.

A material guide plate is installed between the re-welding mechanism 304 and the second conveyor belt 306.

The deslagging assembly 406 includes a block and a spring mounted on the block, the inner diameter of the spring is adapted to the size of the front end working portion of the welding gun, and the welding gun can be moved to the deslagging assembly 406 after operation, so that the front end working portion of the welding gun is inserted into the spring, and the spring is used to strip the gun slag.

As shown in fig. 9 and 10, the finished product palletizing device 4 includes a feeding assembly, a shifting assembly and a controller, wherein the controller is respectively connected with the feeding assembly and the shifting assembly and respectively controls the feeding assembly and the shifting assembly to work; the feeding assembly is matched with the shifting assembly in an alignment way; the feeding assembly is used for placing the heating radiators in groups; and the shifting assembly transfers and stacks the arranged heater group in the feeding assembly into a pile.

The feeding component comprises a material waiting frame 401, a material pushing rod 402 and a material coming sensor; the material pushing rod is connected with the controller and is in alignment fit with the material waiting frame; a stop plate 415 is arranged on the material waiting frame; an incoming material sensor 414 is mounted on the material waiting frame and connected with the controller;

the code shifting assembly comprises a horizontal guide rail 403, a rack 404, a vertical guide rail set 405, a chain type lifting mechanism 406, a horizontal driving mechanism 407 and a material shifting mechanism; the frame 404 is mounted on the horizontal guide rail 403; the horizontal driving mechanism 407 is connected with the frame 404 and can drive the frame 404 to do reciprocating horizontal linear motion on the horizontal guide rail 403; the vertical guide rail 405 is mounted on the frame 404; the two chain type lifting mechanisms 406 are arranged at the top of the frame 404, and each chain type lifting mechanism 406 comprises a motor with a gear and a chain which is connected and matched with the gear on the motor; the material moving mechanism is arranged on the vertical guide rail set 405 and connected with the chains of the two chain type lifting mechanisms 406, and is driven by the chain type lifting mechanisms 406 to do reciprocating linear motion up and down along the vertical guide rail set 405; the material moving mechanism comprises a base plate 408, a mounting plate 409, a pneumatic clamping jaw 410 and a rotating motor 411, and the vertical base plate is connected and matched with a chain in the chain type lifting mechanism 406; the rotating motor 411 is installed on the vertical substrate 408 and is connected and matched with the mounting plate 409, and can drive the mounting plate 409 to rotate in the horizontal direction; the pneumatic clamping jaws 410 are mounted on the mounting plate 409; an electromagnetic module 412 is mounted within the pneumatic gripper 410.

The foregoing description of the embodiments of the present specification has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the application is defined by the appended claims.

Claims (5)

1. Radiator automatic production line, its characterized in that: the automatic sorting and directional discharging device for the sheet head and the automatic pipe distributing device respectively convey the sheet head to the automatic welding device and divide the sheet head into short pipes with equal length; the automatic welding device combines the sheet head and the short pipe and then welds and fixes the sheet head and the short pipe into a finished product; conveying the finished products into a finished product stacking device to be discharged for stacking; the automatic head sorting and directional discharging device is used for sorting scattered heads into heads with the same orientation and the same placing state and sending the heads out; the automatic pipe distributing device sequentially cuts the long pipes into short pipes with equal length; the automatic welding device combines the sheet head and the short pipe, then carries out positioning through initial welding, and then carries out welding, and the two sheet heads and the two short pipes are welded into a whole; the finished product stacking device arranges the produced radiators into groups and then transfers the radiators out, and the radiators are transferred out and alternately rotated by 90 degrees to form stacked multi-layer stacking.

2. An automatic production line for radiators as claimed in claim 1, which comprises: the automatic slice head sequencing and directional discharging device comprises a step feeding device, a first conveying belt, a feed back conveying belt, a second conveying belt, a third conveying belt, a first material pushing assembly, a second material pushing assembly, a reversing assembly and a staggered pushing assembly, wherein the step feeding device is matched with the first conveying belt in an alignment manner; the feed back conveying belt is arranged on the stepped feeding device and is in alignment fit with the first conveying belt; the ladder feeding device comprises a material box, a feeding ladder arranged in the material box and a driving assembly for driving the feeding ladder to move; the first conveying belt is connected with the second conveying belt in a staggered manner; the second conveying belt is connected with the third conveying belt in a staggered manner; the first pushing assembly is arranged at the position of the alignment connection of the first conveying belt and the second conveying belt; the second pushing assembly is arranged at the position of the alignment connection of the second conveying belt and the third conveying belt; the first material pushing assembly and the second material pushing assembly respectively comprise a material pushing cylinder, a material pushing rod arranged on the material pushing cylinder and a photoelectric sensor used for detecting the material state; a first material guide plate is arranged at the matching position of the first conveying belt and the return conveying belt and used for separating the sheet heads which are arranged in a staggered manner on the conveying belt and guiding the sheet heads which are arranged in a staggered manner into the return conveying belt; the feed-back conveyer belt sends the staggered chip heads back to the feed box; the reversing device is arranged on the second conveying belt and comprises a motor, a reversing jig and a photoelectric sensor, wherein the motor is arranged on the second conveying belt through a support, the reversing jig is arranged on a main shaft of the motor, the photoelectric sensor is arranged on the side surface of the second conveying belt through the support, and the rotary cylinder can drive the reversing jig to rotate so as to horizontally reverse the sheet head conveyed by the second conveying belt when needed; the second conveying belt is also provided with a second material guide plate, and the material guide plate is used for reversing the placing posture of the film leader so as to change the film leader from a vertical placing state to a horizontal swinging state; the staggered push-out component is arranged on the third conveyor belt; the dislocation pushing device comprises a photoelectric sensor group arranged on the third conveying belt through a bracket and a horizontal cylinder arranged on one side of the third conveying belt and provided with a pushing block; two groups of transferring and discharging assemblies are also arranged on the third conveyor belt;

the transferring and discharging assembly comprises a pneumatic movable material baffle plate which is arranged on the third conveying belt and can switch the material blocking state, a rotary cylinder which is arranged beside the third conveying belt through a bracket, a horizontal material grabbing cylinder which is arranged on a main shaft of the rotary cylinder, and an electromagnetic block which is arranged on a movable shaft of the material grabbing cylinder; the pneumatic movable material baffle blocks the sheet head on the third conveying belt, the material grabbing cylinder can drive the electromagnetic block to stretch out and draw back and grab the sheet head on the third conveying belt and the sheet head is transferred out under the drive of the rotating cylinder, and discharging is achieved.

3. An automatic production line for radiators as claimed in claim 1, which comprises: the automatic pipe distributing device comprises a main material rack, an auxiliary material rack, a chain type material lifting mechanism, a material distributing component group, a pipe pushing component and a fixed-length cutting component, wherein the main material rack and the auxiliary material rack are matched in an aligning way; the two chain type material lifting mechanisms are symmetrically arranged on the main material rack through a bracket; the material distribution component group consists of a plurality of material distribution components which are arranged on the side edge of the main material frame and are horizontally arranged in a straight line; the pipe pushing assembly is arranged on the side surface of the main material rack and is in alignment fit with the material distributing assembly group; the fixed-length cutting assembly is arranged on the auxiliary material rack and is in alignment fit with the material distribution assembly; a plurality of long pipes are arranged on the main material rack and matched with the chain type material lifting mechanism; the chain type material lifting mechanism can push the chain type material lifting mechanism to one side of the material distribution component group; the material distribution component group separates the long pipes on the main material rack one by one; the pipe pushing assembly pushes the long pipe entering the material distribution assembly group into the fixed-length cutting assembly in the auxiliary material rack; the fixed-length cutting assembly divides the long pipe into short pipes with equal length and sends the short pipes out; the fixed-length cutting assembly comprises a feeding guide rail arranged on the auxiliary frame, a movable clamping mechanism arranged on the feeding guide rail, a driving unit arranged on the auxiliary frame and connected and matched with the movable clamping mechanism, and a pipe cutting machine for cutting pipes, wherein the auxiliary frame is also provided with a first fixed clamping mechanism and a second fixed clamping mechanism which are positioned at two sides of the pipe cutting machine, and the driving unit can drive the movable clamping mechanism to do reciprocating linear motion along the feeding guide rail; the pipe cutting machine is hinged on the auxiliary frame and is connected and matched with a lifting cylinder, and the cylinder can enable the pipe cutting machine to rotate around the mounting shaft, so that the pipe cutting machine can rotate and complete pipe cutting.

4. An automatic production line for radiators as claimed in claim 1, which comprises: the automatic welding device comprises a leader feeding mechanism, a pipe body feeding mechanism, a primary welding mechanism, a secondary welding mechanism, a first conveying mechanism and a second conveying mechanism, wherein the leader feeding mechanism and the pipe body feeding mechanism are in contraposition connection and matching with the primary welding mechanism; the primary welding mechanism is connected and matched with at least one secondary welding mechanism through a first conveying mechanism; the second conveying mechanism is in contraposition connection and matching with the re-welding mechanism;

the leader feeding assembly and the pipe body feeding mechanism are respectively used for sequentially feeding the leader and the pipe bodies into the primary welding mechanism, the two pipe bodies are respectively inserted into the two leaders, and the four parts are matched to form a combined part; the primary welding mechanism performs spot welding on the sheet head and the pipe body in the assembly to realize foundation fixation; the first conveying mechanism conveys the spot-welded assembly into a re-welding mechanism; then the welding mechanism carries out overall welding on the connecting surface of the head and the pipe body in the assembly, so that the assembly becomes a radiator; and the second conveying mechanism sends out the welded heating radiators.

5. An automatic production line for radiators as claimed in claim 1, which comprises: the finished product stacking device comprises a feeding assembly, a shifting assembly and a controller, wherein the controller is respectively connected with the feeding assembly and the shifting assembly and respectively controls the feeding assembly and the shifting assembly to work; the feeding assembly is matched with the shifting assembly in an alignment way; the feeding assembly is used for placing the heating radiators in groups; the shifting module transfers and stacks the arranged heater group in the feeding module;

the feeding component comprises a material waiting frame, a material pushing rod and a material coming sensor; the material pushing rod is connected with the controller and is in alignment fit with the material waiting frame; a stop plate is arranged on the material waiting frame; at least one incoming material sensor is arranged on the material waiting frame and connected with the controller; the code shifting assembly comprises a horizontal guide rail, a rack, a vertical guide rail set, a chain type lifting mechanism, a horizontal driving mechanism and a material shifting mechanism; the frame is arranged on the horizontal guide rail; the horizontal driving mechanism is connected with the rack and can drive the rack to do reciprocating horizontal linear motion on the horizontal guide rail; the vertical guide rail is arranged on the frame; the two chain type lifting mechanisms are arranged at the top of the frame and move synchronously; the material moving mechanism is arranged on the vertical guide rail set, is connected with the chains of the two chain type lifting mechanisms and is synchronously driven by the two chain type lifting mechanisms to realize the vertical reciprocating linear motion along the vertical guide rail set.

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