CN212664818U

CN212664818U - Chain manufacturing machine

Info

Publication number: CN212664818U
Application number: CN202021034536.2U
Authority: CN
Inventors: 王琨; 邱利辉
Original assignee: Aozhan Industrial Co ltd
Current assignee: Aozhan Industry Co.,Ltd.
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-03-09
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a machine is made to chain, characterized by, shred device, bending device, welding set and burring device including material processing order sets gradually, welding set includes two relative soldered connections, and the soldered connection tip is equipped with the cladding face that the lateral surface indent was linked in the cooperation, and the burring device is located welding set's side, and the burring device is including transversely unhairing the part and vertically unhairing the part. The utility model has the advantages that the welding head with the cladding surface is adopted to realize the cladding welding of the surface of the chain, and compared with the traditional end surface welding, the welding spatter is not generated; the surface can soften when the chain welds, and the rethread burr removal device accomplishes chain surface weld and removes the burr, and the smoothness on chain surface is high to be applicable to the use of decorative chain.

Description

Chain manufacturing machine

Technical Field

The utility model belongs to the technical field of the chain is made, specifically a machine is made to chain.

Background

The annular chain has very extensive application, uses the annular chain as the traction piece usually among the prior art, need bear great power, needs to make chain ring both ends face welded seal through end face welded method, improves the tensile strength of annular chain, has the chain welding machine who has a lot of this kind of chains to be applied to among the prior art and adopts end face welding usually, produces easily during the welding and splashes, and the welding slag of end face is difficult for also clearing away.

For example, chinese patent document CN2019111014284 discloses "an automatic chain welding apparatus and a method for using the same" in 2/7/2020, the apparatus includes a chain feeding device, a welding device, and a deburring device, the chain feeding device includes a fixed base, a chain feeding plate slidably connected to the base, and a chain feeding drive for driving the chain feeding plate to move toward the welding device, a positioning block adapted to the welding device is fixedly connected to the chain feeding plate, a positioning table adapted to the chain ring is disposed on the positioning block, positioning grooves adapted to the width of the chain ring are disposed on both sides of the positioning table, chain guide devices fixed to the chain feeding plate are disposed on both sides of the positioning block, and a slapping device disposed on a side of the positioning block away from the welding device and a derailleur device adapted to the chain are further disposed on the chain feeding plate.

The above-mentioned case shows that the end face welding at the joint is adopted in the chain welding, which is a very typical endless chain welding device used as a pulling member.

However, the existing ring-shaped chain is not only used as a traction piece, but also does not need very strong tensile strength when used as a decoration piece or a suspension piece without strong force, and especially when used as a decoration piece, the surface of the chain is smooth but has higher requirements.

Disclosure of Invention

Based on the above problem, the utility model provides a machine is made to chain, is particularly useful for the cyclic annular chain that uses as the decoration, can improve chain welded efficiency, makes things convenient for the burring on chain surface and obtains enough glossy chain.

In order to realize the purpose of the invention, the utility model adopts the following technical scheme:

the utility model provides a machine is made to chain, characterized by, includes that material processing order sets gradually shred device, bending device, welding set and burring device, and welding set includes two relative soldered connections, and the soldered connection tip is equipped with the cooperation and links the cladding surface of lateral surface indent, and the burring device is located welding set's side, and the burring device includes horizontal unhairing part and vertical unhairing part.

The welding head with the cladding surface is adopted, cladding welding on the surface of the chain is achieved, and compared with traditional end face welding, welding spatter is avoided; the surface can soften when the chain welds, and the rethread burr removal device accomplishes chain surface weld and removes the burr, and the smoothness on chain surface is high to be applicable to the use of decorative chain.

Preferably, the shredding device comprises an unwinding device, a channel device and a straightening device, the straightening device comprises a plurality of straightening rollers, grooves are formed in the circumferential surfaces of the straightening rollers, grooves in the circumferential surfaces of the straightening rollers are spliced to form a wire supply channel, the shredding device further comprises a guide block located at the rear end of the straightening device, guide holes are formed in the guide block, a limiting sliding groove is formed in the outer end of each guide hole, a cutting block is arranged at one end of the limiting sliding groove, two groove walls of the limiting sliding groove are attached to two sides of the cutting block respectively, and the end face of the cutting block is planar. The initial steel wire of the wire cutting device is disc-shaped, the structure is compact, the occupied space is small, the steel wire or the steel wire is straightened and conveyed through the channel device and the straightening device, the steel wire extends out of the guide hole, the fixed-length cutting of the steel wire is completed through the cutting action of the cutting block and the groove wall of the limiting chute, and the length control of the chain is reliable; because the terminal surface of cutting the piece is the plane shape, cuts the face of cutting the steel wire and laminates completely with the steel wire to can guarantee to shred back steel wire surface smoothness, can improve the laminating nature at steel wire both ends after the steel wire is buckled into the chain link, improve the smoothness nature on follow-up decorative chain surface.

Preferably, the bending device comprises a clamping structure for clamping the steel wire and two clamping and holding structures which are matched relatively, the bending device is positioned on a limiting sliding groove of the shredding device, and a chain link steering mechanism which is opposite to the clamping structure is arranged at the outer end of the limiting sliding groove. The steel wire bending ring forming is completed through the clamping structure, the operation is convenient, the chain link steering mechanism rotates in a reciprocating mode, unidirectional twisting force is prevented from being generated on the chain, and the stability of the position of the chain in the whole technological process is improved.

Preferably, the welding device comprises two chain guide rails which are arranged in a mode of being opposite to each other in a cone angle mode, a chain turning part is arranged between the two chain guide rails, zipper devices are arranged on the side faces of the two groups of chain guide rails respectively, the welding device further comprises an upsetting mechanism matched with the chains, and the upsetting mechanism, the welding head and the deburring device are located at the cone angles of the two chain guide rails. The zipper device is used for completing the movement of the chain on the guide chain guide rail, and the upsetting mechanism is used for completing the leveling position correction of two ends of the chain at the welding position before the welding of the workpiece, so that the welding precision of the chain is improved, and the coating welding process is convenient to carry out.

Preferably, the longitudinal unhairing component comprises a slide rod and a slide seat arranged in a sliding manner relative to the slide rod, one end of the slide rod is provided with a unhairing cutter seat, the slide rod is connected with a rocker arm, a unhairing cutter is arranged in the unhairing cutter seat, the unhairing cutter is rotatably fixed on the unhairing cutter seat, the slide seat is hinged with a pull rod connected with the unhairing cutter, the slide seat is fixedly arranged relative to the ground, the slide seat is provided with a unhairing cam, and the end part of the pull rod is matched with the unhairing cam. The rocking arm can drive the slide bar and remove along the slide when rotating, and the cam that unhaires rotates and drives the pull rod and rotate, and the rotation transmission of pull rod is to the unhairing sword on, realizes that the unhairing sword opens and shuts and remove to accomplish the welding back chain outside and strike off the burr.

Preferably, the transverse unhairing component comprises a transverse unhairing knife and a transverse unhairing knife holder, the transverse unhairing knife is provided with two horizontal unhairing knives which are arranged up and down, the outer end of the upper horizontal unhairing knife is provided with a taper angle, and the two horizontal unhairing knives are arranged in an acute angle. The horizontal deburring of the welding side of the chain link is completed, the deburring area is large, and the efficiency is high.

Preferably, the welding device comprises a main shaft, and a zipper cam, an electrode lifting cam, a rotary cam, an upsetting cam, a transverse deburring cam and a longitudinal deburring cam are sequentially sleeved on the main shaft. The deburring device has the advantages that the action consistency of pulling the chain, welding the chain, upsetting the chain and deburring the chain is ensured, the uniform pace of a plurality of working procedures is ensured, and the deburring efficiency of periodic welding of the chain is improved.

To sum up, the beneficial effects of the utility model are that: the coating welding of the surface of the chain is realized, and compared with the traditional end face welding, the welding spatter is not generated; the surface of the chain can be softened during welding, and then the deburring device can be used for deburring the welding part of the surface of the chain, so that the smoothness of the surface of the chain is high, and the chain is suitable for being used for decorative chains; the deburring efficiency is high; the actions of pulling the chain, welding the chain, upsetting the chain and deburring the chain are consistent, and the steps of a plurality of procedures are uniform, so that the efficiency of periodic welding and deburring of the chain is improved.

Drawings

Fig. 1 is a schematic view of the middle filament cutting device and the bending device of the present invention.

Fig. 2 is a schematic diagram of the welding device, the upsetting mechanism and the deburring device of the present invention.

Fig. 3 is a schematic structural view of the longitudinal hair removing member of the present invention.

Fig. 4 is a schematic structural view of the horizontal unhairing component in the invention.

Fig. 5 is a schematic structural view of the chain turning part of the present invention.

Fig. 6 is a schematic structural diagram of the middle spindle and the upper cam thereof according to the present invention.

Fig. 7 and 8 are schematic structural views of the zipper assembly of the present invention.

Fig. 9 is a schematic structural diagram of a component where a welding head is located according to the present invention.

Fig. 10 is a schematic structural view of the upset forging mechanism of the present invention.

In the figure: disc 1 pipeline 11 straightening roller 12 guide block 13 limiting slide groove 14 cutting block 15 clamping claw 16 clamping profiling 17 cylinder 181 rotating shaft 182 guide chain guide rail 2 chain positioning seat 21 zipper upper trim 22 zipper lower trim 23 zipper guide rail seat 24 lower trim 25 upper long press plate 26 upper short press plate 27 press plate seat 28 press chain tension spring 29 zipper device 3 zipper rocker arm 31 rocker arm 32 return cylinder 33 zipper slide seat 34 zipper guide shaft 35 zipper seat 36 zipper device claw arm 37 chain rotation part 4 zipper rocker arm 41 zipper tension spring 42 main rotation direction lever 43 hinge piece 44 rotation direction piece 45 hinge seat 46 rotation direction slider 47 rotation direction cylinder 48 top forging mechanism 5 welding head electrode arm 52 air cylinder 53 air tank 54 transformer headstock lifting cylinder 56 bakelite slide plate seat 58 deburring device 6 longitudinal deburring part 61 slide bar 611 slide Seat 612 unhairing tool holder 613 rocker arm 614 unhairing tool 615 pull rod 616 ball seat 617 unhairing cam 618 transverse unhairing component 62 transverse unhairing tool 621 horizontal unhairing tool 622 unhairing arm 623 rocker arm 624 upsetting arm 625 push rod 626 upsetting shaft 627 upsetting slide rod 628 upsetting slide rod seat 629 main shaft 7 zipper cam 72 electrode lifting cam 73 rotationally moves to cam 74 upsetting cam 75 transverse unhairing cam 76 longitudinal unhairing cam 77 worm gear 78 steel wire 9 link 91.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

In the embodiment of the method, the first step,

as shown in fig. 1 to 10, the chain manufacturing machine comprises a wire cutting device, a bending device, a welding device and a deburring device 6 which are arranged in sequence according to the material processing sequence, wherein the welding device comprises two opposite welding heads 51, the end parts of the welding heads 51 are provided with coating surfaces which are matched and connected with the outer side surfaces of the chain and are concave, and the coating surfaces are cylindrical cambered surfaces. The welding head 51 is arranged at the lower end of the two scissor-type connected electrode arms 52, the upper ends of the two electrode arms 52 are provided with electrode cylinders 53, the middle position of the upper ends of the two electrode arms 52 is provided with two V-shaped articulated elements, and the two articulated elements are used for matching the articulated positions of the two electrode arms 52 to ensure that the axes of the two electrode arms 52 are vertical. The welding head 51 is electrically connected with a transformer 55 and a power supply, a headstock lifting cylinder 56 is arranged on the lower side of the voltage transformer, and an air storage tank 54 is arranged on the upper side of the transformer 55. The hinged ends of the two hinged members are arranged on a bakelite slide plate 57, the bakelite slide plate 57 is arranged on a bakelite slide plate base 58, and the bakelite slide plate base 58 is arranged in a stationary manner relative to the transformer 55. The deburring means 6 are located at the side of the welding device, the deburring means 6 comprising a transverse deburring member 62 and a longitudinal deburring member 61.

The shredding device comprises an unwinding device, a channel device and a straightening device, wherein the unwinding device comprises a disc 1 for placing a steel wire 9 roll. The channel device comprises two pipelines 11 which are discontinuously arranged, the disc 1 is rotationally arranged, the steel wire 9 extends out from the lower end of the disc 1 and enters the straightening device after passing through the pipeline 11, the straightening device comprises two pairs of straightening rollers 12, and the straightening rollers 12 rotate around the axes of the straightening rollers. The cutting device comprises two opposite straightening rollers 12, wherein grooves are formed in the circumferential surfaces of the two opposite straightening rollers 12, the grooves on the circumferential surfaces of the two opposite straightening rollers 12 are spliced to form a wire supply channel, the cutting device further comprises a guide block 13 positioned at the rear end of the straightening device, a guide hole is formed in the guide block 13, a limiting sliding groove 14 is formed in the outer end of the guide hole, a cutting block 15 is arranged at one end of the limiting sliding groove 14, two sides of the cutting block 15 are respectively attached to two groove walls of the limiting sliding groove 14, and the end face of the cutting block 15 is planar; the end face of the guide block 13 is planar. The rear end of the cutting block 15 is provided with a pushing shaft, and the cutting block 15 can be pushed by a screw rod sliding block mechanism or a power mechanism such as an air cylinder and an oil cylinder. When the cutting block 15 moves at a high speed, the shearing force between the cutting block 15 and the guide block 13 can cut the steel wire 9.

The bending device comprises a clamping structure for clamping the steel wire 9 and a two-phase clamping and embracing structure which is matched relatively, the clamping structure comprises clamping claws 16 which are arranged relatively from top to bottom, a limiting sliding groove 14 is arranged in a limiting block, the limiting sliding groove 14 is perpendicular to the axis of a guide hole, rectangular through holes which are used for the clamping claws 16 to stretch out from top to bottom are formed in a workbench below the limiting block, the clamping and embracing structure comprises a clamping and embracing template 17, and the two clamping and embracing templates 17 can be driven relatively through an air cylinder to complete bending of the steel wire 9. Since the clamping structure and the clipping structure are conventional technical means of the person skilled in the art, and the present application also adopts the prior art, the detailed description is omitted. The bending device is positioned in a limiting sliding groove 14 of the shredding device, and a chain link 91 steering mechanism opposite to the clamping mechanism is arranged at the outer end of the limiting sliding groove 14. The steering mechanism of the chain link 91 comprises a cylinder clamping jaw 181, the cylinder clamping jaw 181 is rotatably arranged on a rotating shaft 182, the cylinder clamping jaw 181 is eccentrically arranged at the end part of the rotating shaft 182, and the axis of the cylinder clamping jaw 181 is positioned at the upper side of the axis of the rotating shaft 182 in the state of figure 1. The rotating shaft 182 may be driven by a motor. The cutting block 15 continues to move after cutting off the steel wire 9, the steel wire 9 is pushed to the upper part of the clamping structure, the clamping claw 16 extends out of the clamping steel wire 9 to the clamping and holding structure, the clamping and holding explorator 17 is closed, the two ends of the steel wire 9 are bent back to the side where the steering mechanism of the chain joint 91 is positioned, the steel wire 9 cannot be bent completely due to the stress of the steel wire 9, the bent end of the steel wire 9 is provided with an opening, the clamping mechanism continues to push out the chain link 91, the chain link 91 is clamped into the ring of the previous chain link 91 through the opening of the previous chain link 91, the cylinder clamping jaw 181 of the steering mechanism of the chain link 91 is loosened, the previous chain link 91 falls under the action of gravity, at the moment, the cylinder clamping jaw 181 can be rotated 90 degrees leftwards or rightwards, then the cylinder clamping jaw 181 is clamped again, the clamping structure is loosened, the cylinder clamping jaw 181 is rotated to the original position, continuous derivation of the chain can be completed, and the cylinder jaws 181 can be alternately rotated leftward or rightward in order to prevent the chain from being subjected to a unidirectional rotational force.

The welding device comprises two chain guide rails 2 which are arranged oppositely in a taper angle, the chain guide rail 2 on the left side is a feeding end and comprises a chain positioning seat 21 and a lower pressing plate 25, an upper long pressing plate 26 and an upper short pressing plate 27 are arranged on the side of the lower pressing plate 25 in a right-facing manner, the upper short pressing plate 27 is arranged on a pressing plate seat 28, the pressing plate seat 28 is rotatably arranged, and one end of the pressing plate seat 28 is connected with a chain pressing tension spring 29; the right side chain guide rail 2 is a blanking end and comprises a zipper guide rail seat 24, a zipper upper pressing strip 22 is fixedly arranged on the lower side of the zipper guide rail seat 24, and a zipper lower pressing strip 23 is arranged on the lower side of the zipper upper pressing strip 22 in a right-to-right mode. The welding device further comprises a main shaft 7, a zipper cam 72, an electrode lifting cam 73, a rotating cam 74, an upsetting cam 75, a transverse deburring cam 76 and a longitudinal deburring cam 77 are sequentially sleeved on the main shaft 7 in a sleeved mode, a worm wheel 78 is further arranged on the main shaft 7, and the main shaft 7 can rotate and can rotate for self-locking by being connected with a motor through the worm wheel 78 and a worm mechanism.

A chain turning component 4 is arranged between the two chain guide rails 2, the chain turning component 4 comprises a chain turning rocker arm 41 which is rotationally connected with a turning cam 74, and a chain turning tension spring 42 is arranged on the chain turning rocker arm 41 and is used for facilitating the resetting of the chain turning rocker arm 41; the end part of the chain turning rocker arm 41 is hinged with a middle rod, the end part of the middle rod is hinged with two main turning rods 43, the opposite sides of the two main turning rods 43 are provided with turning pieces 45, hinge pieces 44 stacked are further arranged between the two turning rods, one ends of the two hinge pieces 44 are hinged on a turning sliding block 47, the turning sliding block 47 is arranged in a hinge seat 46 in a sliding mode, symmetrical triangular structures are formed between the two groups of hinge seats 46, the hinge pieces 44 and the main turning rods 43, the axis between the two main turning rods 43 cannot rotate due to the sliding arrangement of one end of each hinge piece 44, and the outer sides of the two main turning rods 43 are hinged with turning cylinders 48. The side surfaces of the two groups of chain guide rails 2 are respectively provided with a zipper device, the zipper device comprises a zipper rocker arm 31 connected with a zipper cam 72, the lower end of the zipper rocker arm 31 is connected with a return cylinder 33, the zipper rocker arm 31 is connected with a derailleur rocker arm 32 through an adjusting screw rod, the outer end of the zipper rocker arm 32 is hinged with a zipper device, the outer end of the zipper device is provided with a zipper device claw arm 37, the zipper device is arranged on a zipper seat 36, a zipper slide 34 is fixedly arranged on the lower side of the zipper seat 36, and the zipper slide 34 is limited by sliding through a zipper guide shaft 35; the rotation of the chain cam 72 can be converted into the rotation of the chain derailleur rocker 32, the chain derailleur rocker 32 drives the chain fastener claw arm 37 to complete the chain, and then the return of the chain fastener can be completed by the return cylinder 33 matching with the chain cam 72. The welding device also comprises an upsetting mechanism 5 matched with the chain, and the upsetting mechanism 5, the welding head 51 and the deburring device 6 are all positioned at the conical corners of the two guide chain guide rails 2. The upsetting mechanism 5 comprises an upsetting shaft 627 fixedly arranged opposite to the bottom surface, an upsetting slide 612 is arranged on the upsetting shaft 627, the upsetting slide 612 is driven by an upsetting cam 75, an upsetting arm 625 is hinged to the upsetting slide 612, an upsetting slide 628 is hinged to the upsetting arm 625, the upsetting slide 628 is matched with an upsetting slide 629 for limiting, a top bar 626 is arranged at the end of the upsetting slide 628, and the upsetting of the chain link 91 can be completed through the two top bars 626 arranged oppositely.

The longitudinal deburring component 61 comprises a sliding rod 611 and a sliding seat 612 which is arranged in a sliding mode relative to the sliding rod 611, a deburring tool holder 613 is arranged at one end of the sliding rod 611, the sliding rod 611 is connected with a rocker arm 614, the rocker arm 614 is matched with the longitudinal deburring cam 77, a ball seat 617 is arranged at the end portion of the rocker arm 614, and the ball seat 617 is fixedly connected with the sliding rod 611. Two opposite unhairing knives 615 are arranged in the unhairing knife seat 613, the unhairing knives 615 are L-shaped, the unhairing knives 615 can be rotatably fixed on the unhairing knife seat 613, a pull rod 616 connected with the unhairing knives 615 is hinged on the sliding seat 612, the sliding seat 612 is fixedly arranged relative to the guide chain guide rail, unhairing cams 618 are arranged on the sliding seat 612, as shown in fig. 3, the pull rod 616 on the lower side comprises a first connecting rod directly hinged with the unhairing knives 615, the outer end of the first connecting rod is hinged with the outer end of a second connecting rod, the outer end of the second connecting rod is hinged on the sliding seat 612, a third connecting rod is fixedly arranged on the second connecting rod, and the end part of the pull rod 616 is the outer end of the third connecting rod which is matched with the. The first link of the upper pull rod 616 is replaced with a spring, which improves the resetting capability of the burr 615. The outer ends of the deburring knives 615 are arranged in a right triangle tooth shape, and when the two deburring knives 615 are folded, longitudinal deburring on the cylindrical surface of one side of the chain can be completed through the tooth shape at the outer ends of the deburring knives 615. The horizontal unhairing component 62 comprises a horizontal unhairing knife 621 and a horizontal unhairing knife seat 622, the horizontal unhairing knife 622 is provided with two blocks which are arranged up and down, the outer end of the horizontal unhairing knife 622 on the upper side is provided with a taper angle and has elastic deformation capacity, the two horizontal unhairing knives 622 are arranged at an acute angle, the horizontal unhairing knife seat 622 is connected to a unhairing arm 623, the unhairing arm 623 is hinged with a swing rod 624, and the swing rod 624 is hinged with the horizontal unhairing cam 76. When the transverse deburring cutter 622 is used, burrs of a large angle in the transverse direction of the single-side cylindrical surface of the chain link can be scraped through elastic deformation of the upper transverse deburring cutter 622.

After the chain links 91 are formed in series on the bending device, feeding and discharging on the chain guide rails 2 are achieved through the zipper device, the open sides of the chain links 91 are upset and flattened through the upsetting mechanism 5 at the top corners of the left and right chain guide rails 2, the welding heads 51 with the cylindrical cambered surfaces are adopted, coating welding on the surfaces of the chains is achieved, and compared with traditional end face welding, welding spatter is avoided; the surface can soften during the chain welding, and the rethread deburring device 6 accomplishes chain surface weld department burring, and horizontal unhairing part 62 and vertical unhairing part 61 alternate motion accomplish the burr on chain surface and get rid of, and the smoothness on chain surface is high to be applicable to the use of decorative chain, from the shaping of steel wire 9 to a chain machine, production efficiency is high.

It will be appreciated by those of ordinary skill in the art that the examples described herein are intended to assist the reader in understanding the manner of practicing the invention, and it is to be understood that the scope of the invention is not limited to such specific statements and examples. Those skilled in the art can make various other specific modifications and combinations based on the teachings of the present invention without departing from the spirit of the invention, and such modifications and combinations are still within the scope of the invention.

Claims

1. The utility model provides a machine is made to chain, characterized by, includes that material processing order sets gradually shred device, bending device, welding set and burring device, and welding set includes two relative soldered connections, and the soldered connection tip is equipped with the cooperation and links the cladding surface of lateral surface indent, and the burring device is located welding set's side, and the burring device includes horizontal unhairing part and vertical unhairing part.

2. The chain making machine as claimed in claim 1, wherein the filament cutting device comprises an unwinding device, a channel device and a straightening device, the straightening device comprises a plurality of straightening rollers, grooves are formed on the circumferential surfaces of the straightening rollers, the grooves on the circumferential surfaces of the straightening rollers are spliced to form a filament supply channel, the filament cutting device further comprises a guide block positioned at the rear end of the straightening device, a guide hole is formed in the guide block, a limit sliding groove is formed in the outer end of the guide hole, a cutting block is arranged at one end of the limit sliding groove, two sides of the cutting block are respectively attached to two groove walls of the limit sliding groove, and the end surface of the cutting block is planar.

3. A chain maker as claimed in claim 1, wherein the bending device comprises a clamping structure for clamping the wire and two oppositely cooperating clamping structures, the bending device is located on a limiting chute of the filament cutting device, and the outer end of the limiting chute is provided with a link steering mechanism opposite to the clamping structure.

4. A machine for manufacturing chains as set forth in claim 1, wherein said welding means comprises two guide rails disposed at a taper angle with respect to each other, a chain turning member is disposed between the two guide rails, and a slide fastener device is disposed on each of the side surfaces of the two guide rails, and wherein the welding means further comprises an upsetting mechanism for engaging the chain, and the upsetting mechanism, the welding head and the deburring device are disposed at the taper angle of the two guide rails.

5. A chain manufacturing machine as claimed in claim 1 or 4, wherein said longitudinal deburring member comprises a slide bar and a slide carriage slidably disposed relative to the slide bar, the slide bar having a deburring receptacle at one end thereof, the slide bar being connected to a rocker arm, the deburring receptacle having a deburring blade therein, the deburring blade being rotatably mounted on the deburring receptacle, the slide carriage having a pull rod pivotally connected to the deburring blade, the slide carriage being fixedly disposed relative to the ground, the slide carriage having a deburring cam thereon, an end of the pull rod engaging the deburring cam.

6. A chain maker as claimed in claim 1 or 4, wherein the lateral deburring member comprises a lateral deburring cutter and a lateral deburring cutter holder, the lateral deburring cutter is provided in two pieces disposed one above the other, the outer end of the upper lateral deburring cutter is provided with a taper angle, and the two lateral deburring cutters are disposed at an acute angle.

7. A chain maker as claimed in claim 4, wherein the welding means comprises a main shaft, and a zipper cam, an electrode lifting cam, a rotary cam, an upset cam, a transverse deburring cam and a longitudinal deburring cam are sequentially sleeved on the main shaft.