CN116423103A - Binding equipment before welding of radiator - Google Patents

Abstract

A binding device before welding of a radiator comprises a shell, and a wire feeding mechanism, a wire distributing mechanism, a clamping mechanism, a supporting mechanism, a wire penetrating mechanism and a synchronizing mechanism which are arranged in the shell. The clamping heads of the rotating device in the wire distribution mechanism can longitudinally move between the rear end of the supporting mechanism and the wire threading mechanism, the wire is firstly retracted to the rear end of the supporting mechanism, after the radiator is placed on the supporting mechanism, the wire can travel to the position of the wire threading mechanism, the wire feeding device downwards feeds the wire, the wire sequentially passes through the upper connector, the through hole in the wire threading mechanism and the lower connector and then passes out, then the wire distribution mechanism moves backwards, the two clamping heads pull the wire to respectively retract to the rear end of the supporting mechanism from the upper surface and the lower surface of the radiator, and then the two opposite sides of the two clamping heads are abutted against each other, so that the two ends of the wire are combined together, and the two ends of the wire are wound together and tightly bound up the radiator under the action of the rotating device. The automatic binding work of the radiator is realized, and compared with manual binding, the efficiency is greatly improved.

Description

Binding equipment before welding of radiator

Technical Field

The invention relates to the technical field of automatic binding equipment, in particular to pre-welding binding equipment for a radiator.

Background

In the manufacturing process of the radiator, the core body needs to be temporarily assembled and then welded, but the core body is temporarily fixed only through the fixing plates at two sides, slight displacement is easy to generate during welding operation, in order to prevent the welding type core body from moving, all the core bodies are generally bound in advance through metal wires, such as iron wires, and then the welding operation is carried out, for example, patent number CN202222614494.5, a binding device is disclosed in a patent named as an auxiliary binding device of an automobile radiator, but the binding device is manually bound, a metal wire is manually pulled out to be wound on the outer ring of the radiator, and then the metal wire is screwed by a manual tool, so that the radiator is fastened before welding. Aiming at the problems that manual operation is slow, and particularly, one person can only screw one metal wire at a time and efficiency is slow, the applicant develops an automatic radiator pre-welding binding device, and the metal wire is automatically screwed on the outer ring of the radiator through a machine to replace manual screwing.

Disclosure of Invention

In order to solve the technical problem that one person can only screw one metal wire at a time when manually binding wires in the background technology, the invention provides automatic radiator pre-welding binding equipment.

The technical scheme of the invention is as follows:

the utility model provides a radiator is bound up tightly equipment before welding, includes the casing to and set up in the casing:

the wire feeding mechanism is arranged at the rear end of the shell and can convey the metal wires to the wire distribution mechanism;

a wire distribution mechanism comprising:

the first longitudinal moving bracket is horizontally and slidably connected in the shell;

the first transverse sliding rail is fixed on the first longitudinal moving bracket and is connected with a plurality of groups of first sliding seats in a sliding way;

the first sliding seat is rotationally connected with a rotating device at one front side and a power unit at one rear side;

the rotating device comprises two rotating arms, connectors and clamping heads, wherein the two rotating arms are respectively and rotatably connected with a first sliding seat, one end, far away from the first sliding seat, of each rotating arm is fixedly provided with the connector, the connector is movably connected with the clamping head through a connecting rod, a sliding groove is formed in the connecting rod, which is close to one side of the rotating arm, and is movably connected with a pull rod, the pull rod passes through the rotating arms and is connected with a driving unit, the pull rod can pull the connecting rod and the clamping heads to rotate under the action of the driving unit, the two clamping heads connected with the two rotating arms are in opposite side abutting or separation, the minimum distance between the two connectors is larger than the thickness of the radiator, and the initial positions of the two connectors are oppositely arranged one above the other;

the wire cutting device comprises a wire cutting arm and a wire cutting head, the wire cutting arm is higher than the rotating device, the rear end of the wire cutting arm is fixed on the first longitudinal moving bracket, and the front end of the wire cutting arm is provided with the wire cutting head;

the wire feeder is fixed on the wire cutting arm or the first longitudinal moving bracket, and can downwards convey the metal wire conveyed by the wire feeding mechanism, a hole is formed in the front part of the clamping head, the hole can be pushed by the connecting rod to move to the lower part of a metal wire conveying path of the wire feeder, and the wire cutting head is positioned on the metal wire conveying path of the wire feeder;

the support mechanism can support the radiator to be fastened;

a clamping mechanism capable of clamping the heat sink;

the wire threading mechanism is arranged at the front end of the shell, a perforation is arranged on the wire threading mechanism along the vertical direction, a communication channel is arranged between the perforation and the outer wall, and the wire can be propped against the radiator through the communication channel by the perforation under the pulling of the clamping head;

the clamping head of the rotating device can longitudinally move between the rear end of the supporting mechanism and the wire threading mechanism, the wire is firstly retracted to the rear end of the supporting mechanism before being bound, after the radiator is placed on the supporting mechanism, the radiator can travel to the position of the wire threading mechanism, the wire feeding device feeds the wire downwards, and the metal wire sequentially passes through the upper connector, the through hole in the wire threading mechanism and the lower connector and then is threaded out.

Further, the number of the wire distribution mechanisms comprises a plurality of wire distribution mechanisms, each wire distribution mechanism can be used for winding one wire, and after the radiator is placed on the supporting mechanism according to the number of the wires to be bound by the radiator, the corresponding number of the wire distribution mechanisms can be arranged to bind a plurality of wires at the same time. In addition, the device can also carry out the simultaneous binding work of a plurality of radiators, and only the shell is wide enough to accommodate a plurality of supporting mechanisms to place the plurality of radiators, and a plurality of wire distributing mechanisms are arranged at the same time.

The first sliding seat, the supporting mechanism, the clamping mechanism and the threading mechanism are all provided with distance adjusting devices, and the corresponding positions can be adjusted by transversely moving on the corresponding sliding rails. Preferably, because of the cloth silk mechanism, supporting mechanism, clamping mechanism and the silk mechanism position of wearing of winding single metal wire need relatively fixed, this application all sets up into synchronous sideslip through the roll adjustment device with first sliding seat, supporting mechanism, clamping mechanism and silk mechanism to guarantee the fixed of relative position.

Further, regarding the design of the rotating device, one end of the two rotating arms of the rotating device, which is far away from the connector, is fixed on the disc, the disc is rotationally connected on the first sliding seat, and the power transmission device is arranged on the first sliding seat, and the disc is connected with the power unit through the power transmission device, so that the two rotating arms, the connector connected with the two rotating arms and the clamping head can be driven to jointly rotate around the center of the disc, and two ends of the metal wire can be screwed together when the opposite sides of the two clamping heads are in conflict.

Specifically, regarding the design of connector, the connector has offered the first installing port that runs through its both sides face towards rotor arm one side, and the work mouth that is on a parallel with its side is offered to rotor arm one side of keeping away from, and the connecting rod is at the work mouth internal rotation, and is close to in the connecting rod of rotor arm one side can rotate to first installing port, the two of being convenient for connect.

Further, two connectors in each rotating device are symmetrically arranged relative to the center of the disc, one end of each connector, far away from the center of the disc, is an upper working surface, one end, close to the center of the disc, is a lower working surface, one end, far away from the disc, of each connector is provided with a working inclined surface, and the connecting rod can pull the clamping heads to rotate between the working inclined surfaces and the upper working surfaces, so that the opposite sides of the two clamping heads are abutted or separated.

Preferably, the number of the connecting rods in each connector is two, one end, close to the lower working face, of the side face of each connector is provided with two first pin shaft holes penetrating through the two side faces of the connector, one end of each connecting rod is rotationally connected with a rotating shaft in the first pin shaft holes, the other end of each connecting rod is rotationally connected with the clamping head, the two connecting rods are arranged in parallel, the two connecting rods, the connectors and the clamping head form a plane hinge four-bar mechanism together, and the structure is favorable for parallel and stable rotation of the clamping head.

Regarding the design of the clamping head, the clamping head is provided with a second mounting opening towards one end of the connector, second pin shaft holes are formed in two sides of the second mounting opening, the connecting rod is mounted in the second mounting opening through the pin shaft, the minimum distance between one end of the distal connector of the second mounting opening and the adjacent connecting rod is greater than the diameter of the metal wire, and the metal wire in the wire feeding device can conveniently pass through the clamping head smoothly.

Further, the clamping head is kept away from connector one end and is the conical head, and threading mechanism includes fixed chuck and movable chuck, and movable chuck is connected with the power pack, and the upper portion and the lower part of the backward one end of fixed chuck and movable chuck can form the Y-shaped groove for the clamping conical head, and Y-shaped groove bottom is equipped with the perforation along vertical direction.

Regarding the design of the clamping mechanism, the clamping mechanism comprises a second transverse sliding rail, a second sliding seat is connected to the second transverse sliding rail in a sliding manner on the front side of the second transverse sliding rail, a telescopic cylinder is fixed to the front side of the second sliding seat, and one end of a push rod of the telescopic cylinder is connected with a clamping piece. After the radiator is placed on the supporting mechanism, the clamping piece can be controlled to move forwards or backwards by controlling the action of the telescopic cylinder, so that the radiator is clamped or released.

The application also provides a binding method before welding of the radiator, which comprises the following steps:

s1, moving a wire distribution mechanism to the rear end of a clamping mechanism;

s2, placing the radiator on the supporting mechanism;

s3, starting a clamping mechanism to clamp the radiator;

s4, driving a pull rod to act, so that two clamping heads which are oppositely arranged in the rotating device are separated to a distance greater than the thickness of the radiator, and then driving the wire distribution mechanism to move forwards, wherein the two clamping heads which are oppositely arranged in the rotating device respectively move to the upper end and the lower end of the wire threading mechanism from the upper part and the lower part of the radiator;

s5, starting a wire feeding mechanism to enable a metal wire to enter the wire feeding device, sequentially passing through a hole at the front part of the upper clamping head, a vertical hole on the wire feeding mechanism and a hole at the front part of the lower clamping head, and continuing to output the metal wire with the length longer than that of the radiator;

s6, driving the wire distribution mechanism to move backwards, simultaneously continuously feeding wires by the wire feeding mechanism, simultaneously pulling the metal wires to move backwards by two clamping heads which are oppositely arranged in the rotating device, thereby simultaneously pulling the metal wires above and below the radiator until the clamping heads move to the rear of the clamping mechanism, and stopping the movement of the wire distribution mechanism;

s7, driving a wire cutting head of the wire cutting device to cut off the metal wire, and driving a pull rod to abut against two clamping heads which are oppositely arranged;

s8, driving the rotating device to rotate for a preset number of turns;

s9, driving the pull rod to separate the two clamping heads which are oppositely arranged, and taking out the bundled radiator.

The beneficial effects of the invention are as follows:

through the design, the clamping heads of the rotating device can longitudinally move between the rear end of the supporting mechanism and the threading mechanism, the binding wires can firstly retract to the rear end of the supporting mechanism, after the radiator is placed on the supporting mechanism, the binding wires can travel to the threading mechanism, the wire feeding device feeds wires downwards, the wires sequentially pass through the upper connector, the through holes in the threading mechanism and the lower connector and then pass out, then the wire distributing mechanism moves backwards, the two clamping heads pull the wires to respectively retract to the rear end of the supporting mechanism from the upper surface and the lower surface of the radiator, then the two clamping heads are in opposite side contact, so that the two ends of the wires are combined together, and the two ends of the wires are wound together under the action of the rotating device and are tightly bound to the radiator.

In addition, the number of the wire distribution mechanisms can be multiple, each wire distribution mechanism can be used for winding one wire, after the radiator is placed on the supporting mechanism according to the number of the wires to be bound, the corresponding number of the wire distribution mechanisms can be arranged to bind multiple wires at the same time, so that the working efficiency is further improved, and the time for manually binding the radiator is greatly saved.

Drawings

In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a pre-weld cinching device for a heat sink;

FIG. 2 is a schematic view of the internal structure of a pre-weld cinching device for a heat sink;

FIG. 3 is a top view of the pre-weld cinching apparatus of the heat sink with the upper shell portion removed;

FIG. 4 is a schematic view of the state of the wire distribution mechanism and the clamping mechanism before operation;

FIG. 5 is a working state diagram of the wire distribution mechanism moving to the wire threading mechanism position;

FIG. 6 is a view of the wire distributing mechanism in operation when the wire distributing mechanism pulls the wire back to the rear of the clamping mechanism;

FIG. 7 is an enlarged view of the position of the gripping head of FIG. 6;

FIG. 8 is a view showing the working state of the clamping wire after the opposite sides of the two clamping heads are abutted against each other;

fig. 9 is a schematic structural view of the connector, wherein (a) is a front view and (b) is a top view;

FIG. 10 is a schematic view of the structure of the clamping head, wherein (a) is a front view and (b) is a top view;

FIG. 11 is a schematic diagram of the connection of a fixed chuck to a movable chuck;

FIG. 12 is a schematic view of the separation of a stationary chuck from a movable chuck;

FIG. 13 is a schematic view of the contact between a stationary chuck and a movable chuck;

the components represented by the reference numerals in the figures are:

1. a housing; 11. a lower cabin body; 12. an upper cover body; 121. a baffle; 122. a threading hole; 2. a wire feeding mechanism; 21. iron wire rolls; 22. a filament drawing device; 3. a wire distribution mechanism; 31. a first longitudinally movable support; 311. a lower bracket; 312. an upper bracket; 313. a vertical bracket; 32. a first transverse slide rail; 33. a first sliding seat; 34. a motor; 35. a rotating device; 351. a rotating arm; 352. a connector; 3521. a first mounting port; 3522. a work port; 3523. an upper working surface; 3534. a working inclined plane; 3535. a first pin hole; 3526. a limit bolt; 353. a clamping head; 3531. a second mounting port; 3532. a second pin hole; 3533. a conical head; 354. a front link; 355. a rear connecting rod; 36. a wire cutting device; 361. a wire cutting arm; 362. cutting a wire head; 37. a wire feeder; 371. a bottom support; 372. a first intermediate bracket; 373. a second intermediate bracket; 374. a wire feeding tube; 375. a guide member; 4. a clamping mechanism; 41. the second transverse sliding rail; 42. a second sliding seat; 43. a telescopic cylinder; 44. a clamping member; 5. a support mechanism; 51. a third transverse slide rail; 52. a third sliding seat; 53. a support rod; 54. a support base; 6. a threading mechanism; 61. a fourth transverse slide rail; 62. a fourth sliding seat; 63. fixing a chuck; 64. a movable chuck; 65. a limit seat; 7. a synchronizing mechanism; 71. longitudinally driving a screw rod; 72. a transverse transmission screw rod; 73. a scissor type connecting frame; 8. a drag chain.

Detailed Description

Referring to fig. 1-3, the present embodiment provides a pre-welding binding device for a radiator, which comprises a housing 1, and a wire feeding mechanism 2, a wire distributing mechanism 3, a clamping mechanism 4, a supporting mechanism 5, a wire threading mechanism 6 and a synchronizing mechanism 7 which are arranged in the housing 1. Wherein,,

the wire feeding mechanism 2 is arranged at the rear end of the shell 1 and can convey metal wires to the wire distribution mechanism 3;

the wire distribution mechanism 3 includes:

a first longitudinally movable bracket 31 horizontally slidably coupled within the housing 1;

a first transverse sliding rail 32 fixed on the first longitudinal moving bracket 31 and slidingly connected with a plurality of groups of first sliding seats 33;

the first sliding seat 33 is rotatably connected with a rotating device 35 at the front side and a power unit at the rear side;

the rotating device 35 comprises two rotating arms 351, connectors 352 and clamping heads 353, wherein the rotating arms 351 are respectively connected with the first sliding seat 33 in a rotating way, the connectors 352 are fixedly arranged at one end, far away from the first sliding seat 33, of the rotating arms 351, the connectors 352 are movably connected with the clamping heads 353 through connecting rods, sliding grooves are formed in the connecting rods, which are close to one sides of the rotating arms 351, of the rotating arms, pull rods, which penetrate through the rotating arms 351, and are connected with a driving unit, the connecting rods and the clamping heads 353 can be pulled to rotate under the action of the driving unit, the opposite sides of the two clamping heads 353 connected with the two rotating arms 351 are abutted or separated, the minimum distance between the two connectors 352 is larger than the thickness of a radiator, and the initial positions of the two connectors 352 are oppositely arranged one by one;

the wire cutting device 36 comprises a wire cutting arm 361 and a wire cutting head 362, wherein the wire cutting arm 361 is higher than the rotating device 35, the rear end of the wire cutting arm 361 is fixed on the first longitudinal moving bracket 31, and the front end of the wire cutting arm is provided with the wire cutting head 362;

the wire feeder 37 is fixed on the wire cutting arm 361 or the first longitudinally moving bracket 31, and can downwards convey the wire conveyed by the wire feeding mechanism 2, a hole is formed in the front of the clamping head 353, the hole can be pushed by the connecting rod to move to the lower part of the wire conveying path of the wire feeder 37, and the wire cutting head 362 is positioned on the wire conveying path of the wire feeder 37;

a support mechanism 5 capable of supporting the heat sink to be fastened;

a clamping mechanism 4 capable of clamping the radiator;

the wire threading mechanism 6 is arranged at the front end of the shell 1, is provided with a perforation along the vertical direction and can accommodate the penetration of the metal wire, a communication channel is arranged between the perforation and the outer wall, and the metal wire can be propped against the radiator through the communication channel by the perforation under the pulling of the clamping head;

the synchronizing mechanism 7 includes distance adjusting devices provided on the first slide seat 33, the supporting mechanism 5, the clamping mechanism 4 and the threading mechanism 6, all of which are set to be synchronized, and can be moved laterally on the corresponding slide rail to adjust the corresponding positions, respectively.

Through the cooperation of the mechanisms, the clamping head 353 of the rotating device 35 can longitudinally move between the rear end of the supporting mechanism 5 and the threading mechanism 6, the binding wire firstly moves back to the rear end of the supporting mechanism 5, after the radiator is placed on the supporting mechanism 5, the radiator can move to the threading mechanism 6, the wire feeder 37 feeds the wire downwards, and the wire sequentially passes through the upper connector 352, the perforation in the threading mechanism 6 and the lower connector 352 and then passes out. After enough length is penetrated out, the wire distributing mechanism 3 moves backwards, the two clamping heads 353 pull the metal wires to retreat from the upper surface and the lower surface of the radiator to the rear end of the supporting mechanism 5 respectively, then the two clamping heads 353 are in opposite side contact, so that the two ends of the metal wires are combined together, and the two ends of the metal wires are wound together and tightly bound up the radiator under the action of the rotating device 35.

The above-mentioned binding process of single wire, in practical application, the radiator needs to bind 2 or 3 wires. Therefore, the number of the wire distributing mechanisms 3 comprises a plurality of wire distributing mechanisms, each wire distributing mechanism 3 can be used for winding one wire, and after the radiator is placed on the supporting mechanism 5 according to the number of the wires to be bound by the radiator, the corresponding number of the wire distributing mechanisms 3 can be arranged to bind a plurality of wires simultaneously. Moreover, the device can also perform the simultaneous binding work of a plurality of radiators, and only the width of the shell 1 is wide enough to accommodate a plurality of supporting mechanisms 5 to place the plurality of radiators, and a plurality of wire distributing mechanisms 3 are arranged at the same time.

The specific structure of each mechanism will be described one by one with reference to the accompanying drawings.

Referring to fig. 1, the housing 1 includes a lower case 11 and an upper cover 12. The upper housing 12 covers over the rear of the lower housing 11, the lower housing 11 being of a width to accommodate a plurality of wire-laying mechanisms 3 arranged side by side. The front end of the upper cover body 12 is provided with a vertical baffle plate 121, and the upper part of the baffle plate 121 is provided with a threading hole 122 for the threading of a metal wire. The wire in this embodiment is exemplified by an iron wire.

Referring to fig. 2, the wire feeding mechanism 2 is arranged at the rear end of the housing 1, and comprises a wire coil 21 and a wire drawing device 22, wherein the wire coil 21 is arranged at the rear lower part of the lower cabin 11, the wire drawing device 22 is arranged at the rear upper part of the upper cover 12, and the wire drawing mechanism is used for controlling the drawing action of the wire and drawing the wire in the wire coil 21 upwards into the guide hose. The guide hose is connected to the wire feeder 37 via a threading hole 122 in the apron 121.

Referring to fig. 2 to 5, the first longitudinally movable bracket 31 of the wire distribution mechanism 3 includes a lower bracket 311, an upper bracket 312 and a vertical bracket 313, wherein the lower bracket 311 is horizontally slidably connected to the slide ways on both sides of the inner wall of the housing 1, the rear portion thereof is vertically connected to the vertical bracket 313, the top end of the vertical bracket 313 is connected to the upper bracket 312 extending forward, and the upper bracket 312 can be used for fixing various lines.

Further, a first transverse sliding rail 32 is fixed on the upper surface of the rear portion of the lower bracket 311, and a plurality of groups of first sliding seats 33 are slidably connected thereon. The shearing fork type connecting frames are transversely connected below the plurality of groups of first sliding seats 33, and the relative distances among the plurality of groups of first sliding seats 33 can be controlled by controlling the telescopic distances of the shearing fork type connecting frames, so that the wire distribution mechanism 3 is adapted to radiators with different sizes.

Further, the rear end of the rotating device 35 is rotatably connected to the first sliding seat 33, and the power thereof is from the motor 34 mounted on the first longitudinally moving bracket 31. Specifically, a fixed seat is disposed at the rear end of the first sliding seat 33, a rotating shaft is rotatably connected to the fixed seat through a bearing, the rotating shaft is transversely arranged, a plurality of grooves are formed in the outer wall of the rotating shaft along the axial direction of the rotating shaft, a first bevel gear is slidably connected in the grooves, one end of the big end of the first bevel gear is fixedly connected with the bearing, a second bevel gear is connected to the first sliding seat 33, the second bevel gear is meshed with the first bevel gear, and the second bevel gear is connected with the rotating device 35 through an intermediate power transmission device, such as a gear transmission mode. The motor 34 is connected to the shaft via a power transmission device.

When the position of the first sliding seat 33 is adjusted through the scissor type connecting frame in the early stage, the first sliding seats 33 are communicated with the first bevel gears to transversely move along the axis of the rotating shaft, when the rotating device 35 is required to rotate in the later stage, the motor 34 drives the rotating shaft to rotate, the first bevel gears rotate along with the rotating shaft and drive the second bevel gears to rotate, and then the intermediate power transmission device drives the rotating device 35 to rotate.

The design of the rotating device 35 will be described with reference to fig. 4, where one end of two rotating arms 351 of the rotating device 35, which is far away from the connecting head 352, is fixed on a disc, and the disc is rotatably connected to the first sliding seat 33, and is driven to rotate by the motor 34, so that the two rotating arms 351 and the connecting head 352 and the clamping head 353 connected with the two rotating arms can be driven to rotate together around the center of the disc.

Further, the two rotating arms 351 are symmetrically arranged relative to the center of the disc, the inside of the rotating arms 351 is hollow, a pull rod is arranged in the rotating arms, a power unit is fixed in the disc and connected with the pull rod, and the telescopic action of the pull rod can be controlled.

Referring now to fig. 9, fig. 9 shows a specific design of a connector 352, which is formed by milling a piece of material on opposite sides of a block of square stock. Wherein, the connector 352 is provided with a first mounting hole 3521 penetrating through two sides of the rotating arm 351 towards one side of the rotating arm 351, a working hole 3522 parallel to the side of the rotating arm 351 is provided with a connecting rod in the working hole 3522, and the connecting rod near one side of the rotating arm 351 can rotate into the first mounting hole 3521, so that the rear connecting rod and the pull rod are movably connected together.

Further, two connectors 352 in each rotating device 35 are symmetrically arranged relative to the center of the disc, one end of each connector 352 far away from the center of the disc is an upper working surface 3523, one end near the center of the disc is a lower working surface, and the upper working surface and the lower working surface are arranged in parallel. The end of the connector 352 away from the disc is provided with a working bevel 3534, and the connecting rod can pull the clamping heads 353 to rotate between the working bevel 3534 and the upper part of the upper working surface 3523, so that the opposite sides of the two clamping heads 353 are abutted or separated. When the two clamping heads 353 are abutted against each other, the two ends of the wire can be clamped and screwed together by the rotating means.

The present embodiment designs the rotation mechanism of the gripping head 353 as a planar hinge four-bar mechanism. Specifically, the number of the connecting rods in each connecting head 352 is two, one end, close to the lower working surface, of the side surface of the connecting head 352 is provided with two first pin shaft holes 3535 penetrating through the two side surfaces of the connecting head 352, one end of each connecting rod is rotationally connected with a rotating shaft in the first pin shaft hole 3535, the other end of each connecting rod is rotationally connected with the clamping head 353, and the two connecting rods are arranged in parallel, so that the two connecting rods, the connecting head 352 and the clamping head 353 jointly form a plane hinge four-bar mechanism, and the structure is favorable for parallel stable rotation of the clamping head 353.

Further, the rear of the upper working surface 3523 of the connector 352 is further connected with a limit bolt 3526 in a threaded manner, and the length of the connector extending into the working opening 3522 is adjusted to control the clamping heads 353 to rotate to a position above the upper working surface 3523, so that when the two clamping heads 353 are abutted against opposite sides, the rear connecting rod is exactly abutted against the limit bolt 3526.

The design of the clamping head 353 is described below with reference to fig. 10, the clamping head 353 is provided with a second mounting opening 3531 towards one end of the connector 352, two connecting rods are respectively arranged in the second mounting opening 3531 and are respectively a front connecting rod 354 and a rear connecting rod 355, a sliding groove is formed in the middle of the rear connecting rod 355 and is movably connected with a pull rod, second pin shaft holes 3532 are formed in two sides of the second mounting opening 3531, the connecting rods are mounted in the second mounting opening 3531 through pin shafts, and the minimum distance between the root of the second mounting opening 3531 and the front connecting rod 354 is larger than the diameter of a metal wire, so that the metal wire in the wire feeding device 37 can conveniently and smoothly pass through the clamping head 353.

Further, the clamping head 353 has a tapered head 3533 at an end far from the connecting head 352, and the threading mechanism 6 includes a fixed chuck 63 and a movable chuck 64, as shown in fig. 3 and 11, the movable chuck 64 is connected with a power unit, and the upper and lower parts of the rear ends of the fixed chuck 63 and the movable chuck 64 can form a Y-shaped groove for clamping the tapered head 3533. Wherein, Y-shaped groove opening is towards the rear end, and Y-shaped groove bottom is equipped with the perforation along vertical direction. The perforation is located on the fixed chuck 63, and a vertical communication channel is arranged between the perforation and the outer wall of the rear end of the fixed chuck 63, and the metal wire can be propped against the radiator through the communication channel by the perforation under the pulling of the clamping head.

The specific structure of the wire cutting device 36 and the wire feeding device 37 will be described with reference to fig. 4, in which the wire cutting arm 361 is fixedly disposed on the first longitudinally moving bracket 31 higher than the rotating arm 351, and the wire cutting head 362 is disposed on one side of the front end and the wire feeding device 37 is disposed on the other side.

The wire feeder 37 includes a base support 371 fixed at the front end of a wire cutting arm 361, the base support 371 is horizontally arranged, a first middle support 372 in an L shape is connected to the base support by bolts, the lower bottom surface of the first middle support 372 extends towards the side far away from the wire cutting head 362, a second middle support 373 in a U shape is connected to the upper portion of the vertical surface by bolts, the U-shaped opening of the second middle support 373 faces towards the side far away from the first middle support 372, the upper end and the lower end of the second middle support 373 are provided with bending edges, a wire feeding tube 374 is clamped and arranged vertically, and the iron wires in the wire feeding mechanism 2 can be fed into the wire feeding tube 374.

The wire cutting head 362 is located between the base support 371 and the lower end bending edge of the second middle support 373, and the lower end of the wire feeding tube 374 passes through the lower end bending edge of the second middle support 373 and is located above the wire cutting head 362.

Further, the base support 371 is movably connected with a guide piece 375, the guide piece 375 is hollow, the guide piece 375 is located below the vertical projection of the wire feeding pipe 374, and a gap hole at the head of the clamping head 353 can rotate below a middle through hole of the guide piece 375, so that an iron wire can pass through two scissor openings of the scissor head 362 and then pass through the middle through hole of the guide piece 375 after being fed into the wire feeding pipe 374 from the wire feeding mechanism 2, and then sequentially passes through gaps between the roots of the second mounting openings 3531 of the two clamping heads 375 and the front connecting rod 354.

Preferably, the guide 375 may be formed as an internally perforated bolt that is conveniently secured to the base support 371 by a nut. The relative positions of the guide 375 and the first intermediate support 372 and the base support 371 are adjustable, so that installation and debugging are facilitated. The relative position between the second middle bracket 373 and the first middle bracket 372 is also adjustable, so that the installation is convenient.

Referring to fig. 2, the clamping mechanism 4 in the present embodiment is located in the middle of the lower cabin 11, where the clamping mechanism 4 includes a second transverse sliding rail 41, on which a second sliding seat 42 is slidably connected to a front side, and a horizontally arranged telescopic cylinder 43 is fixed to the front side of the second sliding seat 42, and one end of a top rod of the telescopic cylinder 43 is connected to a clamping member 44. The clamping piece 44 is a Z-shaped mechanism, the middle part is horizontally arranged, one end of the two ends of the clamping piece is downwards fixed with the telescopic cylinder 43, the other end of the clamping piece extends upwards, the height of the clamping piece does not exceed the highest end of the clamping piece 44 after the radiator is placed on the supporting mechanism, and the clamping piece 44 can be controlled to move forwards or backwards by controlling the telescopic cylinder 43 to clamp or release the radiator.

Further, a transmission screw rod is threaded on the second sliding seat 42, and the distance between the second sliding seats 42 is adjusted through the scissor type connecting frame 73.

In this embodiment, the supporting mechanism 5 includes a third transverse sliding rail 51, which is parallel to the front end of the second transverse sliding rail 41, and is slidably connected with a third sliding seat 52, and a supporting rod 53 disposed horizontally longitudinally is connected above the third sliding seat 52 through a supporting seat 54, and extends backward to the rear of the clamping member 44, and the height of the upper surface is higher than the middle horizontal position of the clamping member 44 and lower than the highest position of the clamping member 44.

Further, a scissor-fork type connecting frame and a corresponding driving screw (not shown) are also provided on one side of the third sliding seat 52, for adjusting the positions of the third sliding seats 52 on the third transverse sliding rail 51.

Referring to fig. 2 and 3, a threading mechanism 6 is disposed above the forefront end of the lower cabin body, and includes a fourth transverse slide rail 61, a fourth slide seat 62, a fixed chuck 63, a movable chuck 64, and a limiting seat 65. The fourth transverse sliding rail 61 is arranged at the front end of the third transverse sliding rail 51 in parallel, a fourth sliding seat 62 is slidably connected to the fourth sliding seat 62, a limiting seat 65 and a fixed chuck 63 are fixed on the fourth sliding seat 62, a movable chuck 64 is arranged on one side of the fixed chuck 63, and the movable chuck 64 can be close to or far away from the fixed chuck 63 through a driving device.

Further, the width of the limiting seat 65 is larger than the width of the clamping head, that is, after the radiator is placed on the supporting mechanism 5 and clamped by the clamping mechanism 4, the front end of the radiator abuts against the limiting seat 65, and the rear end abuts against the upward extending position of the clamping piece 44.

Referring to fig. 11-13, the fixed clamp 63 and the movable clamp 64 are in a column structure with notches on opposite sides, the notches on opposite sides of the fixed clamp 63 and the movable clamp 64 form a Y-shaped groove together, a vertically penetrating through hole is formed in the middle of the fixed clamp 63, and the size of the through hole is matched with the diameter of the iron wire.

Further, the Y-shaped grooves at the upper and lower ends of the fixed chuck 63 and the movable chuck 64 are matched with the two upper and lower clamping heads of the rotating device 35, the two clamping heads 353 can move forward to the Y-shaped grooves at the upper and lower ends of the chucks, and then the clamping heads 353 are fixed in the Y-shaped grooves through the movement of the movable chuck 64 to perform threading operation.

Further, a scissor-fork type connecting frame and a corresponding driving screw (not shown) are also provided on one side of the fourth sliding seat 62, for adjusting the positions of the fourth sliding seats 62 on the fourth transverse sliding rail 61.

The first sliding seat 33, the supporting mechanism 5, the clamping mechanism 4 and the threading mechanism 6 in this embodiment synchronously move transversely by adopting a synchronizing mechanism 7, and the synchronizing mechanism 7 comprises a longitudinal transmission screw 71, a plurality of transverse transmission screws 72 and a plurality of scissor type connecting frames 73. Referring to fig. 3, the first sliding seat 33, the supporting mechanism 5, the clamping mechanism 4 and the threading mechanism 6 are respectively connected with a corresponding transverse transmission screw 72 and a scissor type connecting frame 73, the corresponding sliding seat is sleeved on the corresponding transverse transmission screw 72 and is connected to each bracket position of the corresponding scissor type connecting frame 73, one end of the scissor type connecting frame 73 is driven to approach or depart from the other end by rotation of the transverse transmission screw 72, so that the position of the corresponding sliding seat on the corresponding sliding rail is adjusted, and the longitudinal transmission screw 71 is connected with synchronous rotation of all the transverse transmission screws 72 through an intermediate power transmission device, such as gear transmission, so that synchronous transverse movement of the first sliding seat 33, the supporting mechanism 5, the clamping mechanism 4 and the threading mechanism 6 is realized by adopting the synchronous mechanism 7.

In this embodiment, the inner side wall of the lower cabin body is provided with a drag chain 8 and a corresponding track which are longitudinally arranged, and when the first longitudinally moving bracket 31 longitudinally moves, a corresponding line on the device moves along with the drag chain 8.

The following describes a specific use method of the pre-welding binding device of the radiator with reference to fig. 5 to 8, and specifically includes the following steps:

s1, moving a wire distribution mechanism 3 to the rear end of a clamping mechanism 4;

s2, placing the radiator on the supporting mechanism 5, wherein the clamping piece 44 is far away from the radiator;

s3, starting a telescopic cylinder 43 of the clamping mechanism 4 to extend forwards, and pushing a clamping piece 44 to clamp the radiator forwards so that the front end of the radiator is propped against a limiting seat 65;

s4, driving a pull rod to act, so that two clamping heads 353 which are oppositely arranged in the rotating device 35 are separated to a distance greater than the thickness of the radiator, driving the wire distribution mechanism 3 to move forwards, and respectively moving the two clamping heads 353 which are oppositely arranged in the rotating device 35 from the upper side and the lower side of the radiator to Y-shaped grooves at the upper end and the lower end of the wire threading mechanism 6, wherein as shown in FIG. 5, driving a movable chuck 64 to move towards a fixed chuck 63 and clamping the clamping heads 353;

s5, starting the wire feeding mechanism 2 to enable the metal wire to enter the wire feeding device 37, sequentially passing through a hole in the front of the upper clamping head 353, a vertical hole in the wire feeding mechanism 6 and a hole in the front of the lower Fang Gachi head 353, and continuing to output the metal wire with the length longer than that of the radiator, as shown in FIG. 5;

s6, driving the wire distribution mechanism 3 to move backwards, simultaneously continuously feeding wires by the wire feeding mechanism 2, wherein the wire feeding speed is the same as the backward moving speed of the wire distribution mechanism 3, and simultaneously pulling the metal wires to move backwards by two clamping heads 353 oppositely arranged in the rotating device 35, so that the metal wires are separated from the through holes on the wire threading mechanism 6 to abut against the radiator, and then simultaneously pulling the metal wires above and below the radiator until the clamping heads 353 move to the rear of the clamping mechanism 4, and stopping the movement of the wire distribution mechanism 3, as shown in fig. 6 and 7;

s7, driving the wire cutting head 362 of the wire cutting device 36 to cut off the metal wire, driving the pull rod to move backwards to abut the opposite surfaces of the two opposite clamping heads 353 together, and thus combining the two ends of the single metal wire together, as shown in FIG. 8;

s8, driving the rotating device 35 to rotate for a preset number of turns, so that the two ends of the metal wire are wound around each other and are continuously close to the rear end of the radiator until the metal wire is completely tightened on the radiator;

s9, driving the pull rod to separate the two clamping heads 353 which are oppositely arranged, driving the telescopic cylinder 43 of the clamping mechanism 4 to move backwards, and taking out the bound radiator.

Claims (10)

1. The pre-welding binding device for the radiator is characterized by comprising a shell (1) and a binding device arranged in the shell (1):

the wire feeding mechanism (2) is arranged at the rear end of the shell (1) and can convey the metal wires to the wire distribution mechanism (3);

wire distribution mechanism (3), include:

a first longitudinally movable bracket (31) horizontally and slidably connected in the housing (1);

the first transverse sliding rail (32) is fixed on the first longitudinal moving bracket (31), and a plurality of groups of first sliding seats (33) are connected to the first transverse sliding rail in a sliding manner;

the first sliding seat (33) is rotationally connected with a rotating device (35) at the front side and a power unit at the rear side;

the rotating device (35) comprises rotating arms (351), connectors (352) and clamping heads (353), wherein the rotating arms (351) comprise two rotating rods which are connected with a first sliding seat (33) in a rotating mode, one end, far away from the first sliding seat (33), of each rotating arm is fixedly provided with the corresponding connector (352), the corresponding connectors (352) are movably connected with the corresponding clamping heads (353) through connecting rods, sliding grooves are formed in the connecting rods, close to one sides of the rotating arms (351), of the corresponding connectors, pull rods are movably connected with a pull rod, after penetrating through the rotating arms (351), the pull rods are connected with a driving unit, the pull rods can pull the connecting rods and the corresponding clamping heads (353) to rotate under the action of the driving unit, the two clamping heads (353) connected with the two rotating arms (351) are in abutting or separating mode, and the minimum distance between the two connectors (352) is larger than the thickness of a radiator;

the wire cutting device (36) comprises a wire cutting arm (361) and a wire cutting head (362), wherein the wire cutting arm (361) is higher than the rotating device (35), the rear end of the wire cutting arm is fixed on the first longitudinal moving bracket (31), and the front end of the wire cutting arm is provided with the wire cutting head (362);

the wire feeder (37) is fixed on the wire cutting arm (361) or the first longitudinal moving bracket (31) and can downwards convey the wire conveyed by the wire feeding mechanism (2), a hole is formed in the front part of the clamping head (353), the hole can be pushed by the connecting rod to move below a wire conveying path of the wire feeder (37), and the wire cutting head (362) is positioned on the wire conveying path of the wire feeder (37);

a support mechanism (5) capable of supporting the heat sink to be fastened;

a clamping mechanism (4) capable of clamping the radiator;

the wire threading mechanism (6) is arranged at the front end of the shell (1), is provided with a perforation along the vertical direction and can accommodate the metal wire to pass through, a communication channel is arranged between the perforation and the outer wall, and the metal wire can be propped against the radiator through the communication channel by the perforation under the pulling of the clamping head (353);

the clamping head (353) of the rotating device (35) can longitudinally move between the rear end of the supporting mechanism (5) and the threading mechanism (6);

the first sliding seat (33), the supporting mechanism (5), the clamping mechanism (4) and the threading mechanism (6) are provided with distance adjusting devices, and can transversely move on corresponding sliding rails.

2. A radiator pre-welding tightening device according to claim 1, characterized in that the two rotating arms (351) of the rotating means (35) are fixed at their ends remote from the connection head (352) on a disc which is rotatably connected to the first sliding seat (33), the first sliding seat (33) being provided with power transmission means, the disc being connected to the power unit by means of the power transmission means.

3. The pre-welding tightening device for the radiator according to claim 2, wherein a first mounting opening (3521) penetrating through two side surfaces of the connector (352) is formed on one side of the rotating arm (351), a working opening (3522) parallel to the side surfaces of the connector is formed on one side of the connector away from the rotating arm (351), the connecting rod rotates in the working opening (3522), and the connecting rod on one side of the connector close to the rotating arm (351) can rotate into the first mounting opening (3521).

4. A pre-welding tightening device for a radiator according to claim 3, characterized in that two connectors (352) in each rotating device (35) are symmetrically arranged relative to the center of the disc, one end of each connector (352) far away from the center of the disc is an upper working surface (3523), one end near the center of the disc is a lower working surface, one end of each connector (352) far away from the disc is provided with a working inclined surface (3534), and the connecting rod can pull the clamping head (353) to rotate between the working inclined surface (3534) and the upper working surface (3523).

5. The pre-welding tightening device for the radiator according to claim 4, wherein the number of the connecting rods in each connecting head (352) is two, two first pin shaft holes (3535) penetrating through two side surfaces of the connecting heads (352) are formed in one end, close to the lower working surface, of each side surface of each connecting head, one end of each connecting rod is rotatably connected with a rotating shaft in the first pin shaft hole (3535), the other end of each connecting rod is rotatably connected with the clamping head (353), the two connecting rods are arranged in parallel, and the two connecting rods, the connecting heads (352) and the clamping heads (353) form a plane hinge four-bar mechanism together.

6. The pre-welding tightening device for the radiator according to claim 5, wherein a second mounting opening (3531) is formed in one end, facing the connector (352), of the clamping head (353), second pin holes (3532) are formed in two sides of the second mounting opening (3531), the connecting rod is mounted in the second mounting opening (3531) through the pin shaft, and a minimum distance between one end of the distal connector (352) of the second mounting opening (3531) and the adjacent connecting rod is larger than the diameter of the metal wire.

7. The pre-welding tightening device for the radiator according to claim 6, wherein one end of the clamping head (353) far away from the connecting head (352) is a conical head (3533), the threading mechanism (6) comprises a fixed chuck (63) and a movable chuck (64), the movable chuck (64) is connected with a power unit, Y-shaped grooves can be formed in the upper part and the lower part of the rear-facing ends of the fixed chuck (63) and the movable chuck (64) for clamping the conical head (3533), and perforations are formed in the bottoms of the Y-shaped grooves in the vertical direction.

8. A radiator pre-welding tightening device according to claim 1, characterized in that the clamping mechanism (4) comprises a second transverse slide rail (41) on which a second sliding seat (42) is slidingly connected to the forward side, the second sliding seat (42) is fixed to the forward side with a telescopic cylinder (43), and one end of a top rod of the telescopic cylinder (43) is connected with a clamping piece (44).

9. The pre-welding tightening device for a radiator according to claim 1, wherein the first sliding seat (33), the supporting mechanism (5), the clamping mechanism (4) and the threading mechanism (6) are all synchronously moved transversely through the distance adjusting device.

10. A method for pre-weld cinching a heat sink, characterized in that a pre-weld cinching apparatus according to any one of claims 1-9 is employed, comprising the steps of:

s1, moving a wire distribution mechanism (3) to the rear end of a clamping mechanism (4);

s2, placing the radiator on the supporting mechanism (5);

s3, starting a clamping mechanism (4) to clamp the radiator;

s4, driving a pull rod to act, so that two clamping heads (353) which are oppositely arranged in the rotating device (35) are separated to a distance greater than the thickness of the radiator, and then driving the wire distribution mechanism (3) to move forwards, wherein the two clamping heads (353) which are oppositely arranged in the rotating device (35) respectively move from the upper part and the lower part of the radiator to the upper end and the lower end of the wire penetrating mechanism (6);

s5, starting the wire feeding mechanism (2) to enable the metal wire to enter the wire feeding device (37), then sequentially passing through a hole at the front part of the upper clamping head (353), a vertical hole on the wire feeding mechanism (6) and a hole at the front part of the lower Fang Gachi head (353), and continuing to output the metal wire with the length longer than that of the radiator;

s6, driving the wire distribution mechanism (3) to move backwards, simultaneously continuously feeding wires by the wire feeding mechanism (2), simultaneously pulling the wires to move backwards by two clamping heads (353) which are oppositely arranged in the rotating device (35), and simultaneously pulling the wires above and below the radiator until the clamping heads (353) move to the rear of the clamping mechanism, and stopping the movement of the wire distribution mechanism (3);

s7, driving a wire cutting head (362) of a wire cutting device (36) to cut off the metal wire, and driving a pull rod to abut against two clamping heads (353) which are oppositely arranged;

s8, driving the rotating device (35) to rotate for a preset number of turns;

s9, driving the pull rod to separate the two clamping heads (353) which are oppositely arranged, and taking out the bundled radiator.

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