A chain stitch machine device

The chain links are self-deflected by driving the stamping assembly and guide rail section through a cam mechanism, which solves the problem of complex chain link deflection action in existing chain weaving equipment, and simplifies the equipment and reduces costs.

CN115815518BActive Publication Date: 2026-03-20BEIJING TMR METAL PROD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-01-04
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In existing chain weaving equipment, the chain link deflection action requires a separate device, which results in complex equipment, high cost, and difficulty in debugging and maintenance, thus limiting the miniaturization of the equipment and cost control.

Method used

The stamping assembly and chain link forming die are driven by a cam mechanism, and the chain links are self-rotating through the guide rail. Combined with a single-power structure, automatic chain weaving is achieved, which simplifies the equipment structure and reduces production costs.

Benefits of technology

It enables automatic deflection and coding of chain links, reduces equipment complexity and production debugging difficulty, simplifies equipment structure, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application belongs to the field of manufacturing of ring chain and specifically relates to a chain weaving machine device, which comprises a base, a feeding mechanism, a pushing mechanism, a chain weaving seat, a punching cutter, a chain ring forming die and a stamping assembly. The punching cutter can cut the metal wire extending to the chain weaving station into a metal strip. The front end of the chain ring forming die is arranged at the chain weaving station and is used for forming a chain ring. The four stamping heads of the stamping assembly are slidably arranged on the chain weaving seat and can bend the metal strip and loop it around the front end of the chain ring forming die. The pushing mechanism is used for providing pushing force to the chain ring forming die and the four stamping heads respectively and driving the chain ring forming die and the four stamping heads to cooperate with each other to weave a chain ring. The cam mechanism controls the pushing of each stamping head of the stamping assembly and the chain ring forming die, realizes the driving of the single-power structure and the pure mechanical ring chain production, guides and deflects the chain ring, so that a separate deflection chain ring equipment is not needed, the chain ring can slide by itself, and the structure is simplified.
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Description

TECHNICAL FIELD

[0001] The application belongs to the field of manufacturing of ring chain, and particularly relates to a chain weaving machine device. BACKGROUND

[0002] The ring chain is a structure formed by a plurality of chain links, and in the production process of the ring chain, a chain link is formed first, and then a metal strip is inserted into the chain link to form another chain link. In this process, in order to realize the insertion of the metal strip into the formed chain link, the formed chain link needs to be deflected, so that the metal strip can be smoothly inserted into the ring hole of the chain link during the pushing process along the length direction of the metal strip.

[0003] In the prior art, in order to realize the deflection of the chain link, a separate mechanical device is often used to control the deflection action of the chain link. The use of a separate chain link deflection device greatly limits the miniaturization of the chain weaving device, and also causes the production and manufacturing cost of the chain weaving device to greatly increase. In addition, since the chain link deflection device needs to be used in cooperation with other devices such as a metal strip bending device, the debugging, maintenance and repair of the overall chain weaving device are difficult.

[0004] Therefore, it is necessary to design a chain weaving device which is more cost-effective and simpler in structure. SUMMARY

[0005] In order to solve the problem of ring chain production, the application provides a chain weaving machine device.

[0006] The technical scheme adopted by the application is as follows:

[0007] A chain weaving machine device, comprising a base, a feeding mechanism, a pushing mechanism, a chain weaving seat, a punching cutter, a chain link forming die and a stamping assembly;

[0008] The chain weaving seat is arranged on the base, and a chain weaving station is arranged at the center of the front side of the chain weaving seat;

[0009] The feeding mechanism is arranged on one side of the chain weaving seat and can deliver a metal wire to the chain weaving station;

[0010] The punching cutter is slidably arranged on the chain weaving seat and can cut the metal wire extending to the chain weaving station into a metal strip;

[0011] The chain link forming die is slidably arranged on the chain weaving seat, the front end of the chain link forming die is arranged at the chain weaving station, the chain link forming die has a hook-shaped guide rail portion at the front end, and the upper end of the guide rail portion is inclined downwardly and forwardly;

[0012] The stamping assembly comprises an upper punch, a lower punch, a left punch and a right punch; the four punches are slidably arranged on the chain forming seat and located at the upper, lower, left and right directions of the chain forming station; the four punches can bend the metal strip and loop it around the front end of the chain forming die;

[0013] The pushing mechanism is used to provide pushing force to the chain forming die and the four punches respectively and drive the chain forming die and the four punches to cooperate with the chain forming.

[0014] As an alternative structure or supplementary design of the chain forming machine device, the chain forming die comprises a column die part and a guide rail part, the metal strip can be looped around the column die part and formed into a chain ring; the guide rail part is curved and arranged at the front end of the column die part; when the chain ring is pulled out from the front end of the column die part, the guide rail part can guide the chain ring to deflect.

[0015] As an alternative structure or supplementary design of the chain forming machine device, the pushing mechanism comprises a cam mechanism and a push arm assembly; the cam mechanism has a linkage shaft and a plurality of cams, the plurality of cams are connected to the same linkage shaft; the push arm assembly comprises a plurality of push arms, the push arms are used for force transmission between the cams and the punches or the chain forming die.

[0016] As an alternative structure or supplementary design of the chain forming machine device, the push arm assembly comprises a right push arm, an upper push arm, a left push arm, a front push arm and a lower push arm; the cam mechanism comprises a right cam, an upper cam, a left cam, a front cam and a lower cam; the upper push arm, the lower push arm, the left push arm and the right push arm are rotatably connected to the upper, lower, left and right directions of the chain forming seat respectively and can be pushed by the protruding parts of the upper cam, the lower cam, the left cam and the right cam respectively to slide towards the chain forming station; the front push arm is slidably arranged on the chain forming seat, the chain forming die is slidably arranged on the front push arm, and the front cam can push the chain forming die and the front push arm to move forward when the front cam rotates.

[0017] As an alternative structure or supplementary design of the chain forming machine device, the front cam has two recessed areas with different depths, so that when the front push arm is in a state of being pushed forward, the chain forming die can be retracted backward.

[0018] As an alternative structure or supplementary design of the chain forming machine device, a chain clamping device is connected to the front end of the front push arm, the chain clamping device is located directly below the chain forming die, and the front end of the chain clamping device is in a U-shaped form and can move forward with the front push arm to clamp the formed chain ring.

[0019] As an alternative structure or supplementary design of the above-mentioned chain weaving machine device: the linkage shaft is drivenly connected with a driving mechanism, the driving mechanism comprises a motor, an intermediate pulley and a transmission pulley, the motor is installed on the base, the intermediate pulley is rotatably arranged on the base, and the transmission pulley is coaxially connected with the linkage shaft; the motor and the intermediate pulley are connected through a separate belt, and the intermediate pulley and the transmission pulley are connected through a separate belt; a hand crank is arranged at one side of the transmission pulley.

[0020] As an alternative structure or supplementary design of the above-mentioned chain weaving machine device: a pushing claw is arranged on the left and right sides of the chain ring forming die respectively; the pushing claw is arc-shaped, and the front end of the pushing claw can be attached to the outer wall of the column die part and push out the chain ring forward.

[0021] As an alternative structure or supplementary design of the above-mentioned chain weaving machine device: the pushing mechanism comprises a cam mechanism, the cam mechanism comprises a feeding pushing wheel, the edge of the feeding pushing wheel is provided with an axially protruding convex edge, and the protruding heights of the convex edges are different; the feeding mechanism comprises a sliding groove, and the metal wire penetrates through the sliding groove; a plurality of rotatable abutting arms are arranged in the sliding groove, the abutting arms on both sides of the metal wire cooperate and enable the metal wire to move in one direction relative to the sliding groove, and the convex edge of the feeding pushing wheel can push the sliding groove to move towards the chain weaving station and push the metal wire into the chain weaving station.

[0022] As an alternative structure or supplementary design of the above-mentioned chain weaving machine device: a front abutting column is arranged on the front side of the chain ring forming die, the front abutting column can move horizontally under the pushing of the chain ring forming die, and the front end of the guide rail part can abut against the rear end of the front abutting column to avoid the falling of the chain ring.

[0023] The beneficial effects of the present application are:

[0024] 1. The present application adopts a cam mechanism to push and control each stamping head of the stamping assembly and the chain ring forming die, so as to realize a single-power driving mode; in addition, different protruding parts of different cam structures are used to realize automatic chain weaving of the ring chain, realize pure mechanical ring chain production, and reduce the debugging difficulty in the production process of the equipment;

[0025] 2. In the present application, the chain ring is deflected during the weaving process of the ring chain through the structure of the guide rail part, so that a separate deflection chain ring device is not needed, the chain ring is pulled by the weight of the chain ring and the tension of the ring chain of the formed part, so that the chain ring can slide along the guide rail part by itself, and the bending structure of the guide rail part is used for guiding during the process, so as to realize automatic deflection of the chain ring.

[0026] 3. The feeding of the wire of the feeding mechanism by the feeding pushing wheel of the cam mechanism is controlled in the scheme, the utilization of the cam mechanism can be further realized, all actions in the chain weaving process can be driven by using only one motor, the consistency of the actions in the chain weaving process is effectively ensured while the structure is simplified and the cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiment of the scheme or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows.

[0028] Figure 1 is the overall structure diagram of the chain weaving machine device in the scheme;

[0029] Figure 2 is the upper half structure diagram of the chain weaving machine device;

[0030] Figure 3 is the structure diagram of the cam mechanism;

[0031] Figure 4 is the matching structure diagram of the pushing arm assembly and the chain weaving seat;

[0032] Figure 5 is the matching structure diagram of the pushing arm assembly and the stamping assembly;

[0033] Figure 6 is the upper matching structure diagram of the pushing arm assembly, the front abutting column and the chain forming die;

[0034] Figure 7 is the local enlarged view of the chain weaving station;

[0035] Figure 8 is the structure diagram of the front end of the chain forming die;

[0036] Figure 9 is the structure diagram of the feeding mechanism.

[0037] In the diagram: 1-Base; 2-Drive mechanism; 21-Motor; 22-Intermediate pulley; 23-Power transmission pulley; 3-Feeding mechanism; 31-Feeding pipe; 32-Guide ring; 33-Straight pulley set; 34-Feeding seat; 35-Sliding groove; 36-Clamping arm; 37-Push plate; 38-Fixing groove; 4-Cam mechanism; 41-Feeding pusher; 42-Left cam; 43-Punching pusher; 44-Front cam; 45-Upper cam; 46-Right cam; 47-Push claw pusher; 48-Linkage shaft; 5- Push arm assembly; 52-Right push arm; 53-Upper push arm; 54-Punching arm; 55-Left push arm; 57-Push claw arm; 58-Front push arm; 59-Lower push arm; 6-Chain braiding seat; 7-Punching knife; 8-Stamping assembly; 81-Lower punch; 82-Right punch; 83-Upper punch; 84-Left punch; 85-Lower punch seat; 9-Chain link forming die; 91-Groove; 92-Guide rail; 921-Guide slope; 93-Column die; 10-Push claw; 11-Front abutment column; 12-Chain catcher; 13-Material roll. Detailed Implementation

[0038] The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings. The described embodiments are only a part of the embodiments, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments in this solution without creative effort are within the protection scope of this solution.

[0039] Example 1

[0040] like Figures 1 to 9 As shown, this embodiment designs a chain braiding machine device, including a base 1, a feeding mechanism 3, a pushing mechanism, a chain braiding seat 6, a punching cutter 7, a chain link forming die 9, and a stamping assembly 8, etc., wherein the feeding mechanism 3, the pushing mechanism, and the chain braiding seat 6 are all set on the table surface on the top of the base 1.

[0041] The chain braiding seat 6 is fixedly installed on the platform at the top of the base 1. A chain braiding station is set at the center of the front side of the chain braiding seat 6. At the chain braiding station, the main actions are to feed the metal wire into the chain braiding station, insert the front end of the metal wire into the previous chain link, cut the metal wire, bend the cut metal strip and form it into a chain link, and demold and deflect the chain link.

[0042] In order to realize the action of feeding the metal wire into the chain braiding station, a feeding mechanism 3 is provided on the left side of the platform 1. The feeding mechanism 3 is located on one side of the chain braiding seat 6 and can feed the metal wire to the chain braiding station. The feeding mechanism 3 includes a feeding pipe 31, the front end of the feeding pipe 31 points towards the chain braiding station, the front end of the metal wire passes through the feeding pipe 31 and extends to the chain braiding station after extending out of the feeding pipe 31.

[0043] In order to realize the action of the front end of the wire penetrating into the previous link, the outlet of the feeding pipe 31 needs to be aligned with the ring hole of the previous link, and the position of the feeding pipe 31 can be adjusted.

[0044] In order to realize the action of cutting the wire, a punching cutter 7 is arranged on the chain weaving seat 6, the punching cutter 7 vertically slides on the chain weaving seat 6, and a cutter edge is arranged at the lower end of the punching cutter 7. When the punching cutter 7 slides downward, it can cut the wire in cooperation with the outlet of the feeding pipe 31, and the cut part forms a metal strip and is placed in the chain weaving station to be bent into a chain link.

[0045] In order to realize the action of bending and forming the metal strip into a chain link, a chain link forming die 9 and a punching assembly 8 are arranged at the chain weaving seat 6. The chain link forming die 9 is slidably arranged on the chain weaving seat 6, and the front end of the chain link forming die 9 is arranged at the chain weaving station. The punching assembly 8 includes an upper punch 83, a lower punch 81, a left punch 84, and a right punch 82. The four punches are slidably arranged on the chain weaving seat 6 and located at the upper, lower, left, and right directions of the chain weaving station. The four punches can bend the metal strip and wrap it around the front end of the chain link forming die 9.

[0046] Specifically, the chain link forming die 9 includes a column die part 93 and a guide rail part 92. The column die part 93 is arranged in the horizontal direction and is used for the formation of the chain link. The metal strip can wrap around the column die part 93 and be formed into a chain link. The chain link can have a long circular structure, or a circular or elliptical structure. The shape of the chain link is determined by the shape of the outer periphery of the column die part 93. When the outer edge of the column die part 93 has a long circular, circular, or elliptical shape, the chain link can also be formed into the corresponding shape during the process of being pressed onto the column die part 93 to form a chain link. An accommodating groove is arranged on the lower bottom surface of the front end of the column die part 93, and the accommodating groove is used to accommodate the previously formed chain link.

[0047] In the process of bending the metal strip, the lower punch 81 is arranged below the chain forming die 9 and can punch and bend the metal strip upward; the left punch 84 is arranged on the left side of the chain forming die 9 and can punch and bend the metal strip to the right; the right punch 82 is arranged on the right side of the chain forming die 9 and can punch and bend the metal strip to the left. The end of the left punch 84, the right punch 82, the upper punch 83 and the lower punch 81 is provided with a guide groove for guiding the bending process of the metal strip. In use, the stamping assembly 8 needs to ensure that the metal strip is placed between the chain forming die 9 and the lower punch 81; when the lower punch 81 is lifted upward, it can bend the metal strip along the arc surface on both sides of the lower surface of the column die part 93, so that the metal strip is bent into a U shape. In this process, the formed part of the chain is lowered along the gap between the two lower punches 81, and the upper part of the chain ring penetrated by the metal strip will be accommodated in the accommodation groove of the column die part 93; during the relative movement of the left punch 84 and the right punch 82, the metal strip will be bent for the second time along the arc surface on both sides of the upper surface of the column die part 93, at this time the metal strip is still in U shape and the closing is smaller; when the upper punch 83 is pressed downward, the upper punch 83 will make the closing of the metal strip close to form a chain. In order to ensure the synchronous lifting action of the lower punch 81, the two lower punches 81 can be connected with the same lower punch seat 85, and when the lower punch seat 85 vertically slides along the chain forming seat 6, it can drive the two lower punches 81 to synchronously lift.

[0048] In order to realize the chain demolding and deflection action, the guide rail part 92 is arranged at the front end of the column die part 93, which can be connected with the column die part 93 as a whole, and the upper end of the guide rail part 92 is inclined downward, specifically: the root of the guide rail part 92 is flush with the column die part 93; a push piece is arranged on both sides of the chain forming die 9; the push piece is arc-shaped and its front end can be attached to the outer wall of the column die part 93 and push the chain outwards. A stopper is arranged on the front side of the chain forming die 9, which can move along the center line direction of the chain forming die 9, and the stopper can abut against the front end of the guide rail part 92, and before the metal strip penetrates the ring hole of the chain, it can prevent the chain from falling out of the guide rail part 92.

[0049] When the chain is pushed away from the column die part 93 by the push claw 10, the guide rail part 92 can guide the chain to deflect. The upper end of the guide rail part 92 is inclined and forms a guide slope 921, and the free end of the guide rail part 92 is inclined downward. This will make the chain on the guide rail part 92 automatically slide along the guide slope 921 without external force. During the sliding process of the chain along the guide rail part 92, the chain will be horizontally deflected due to the guidance of the guide rail part 92, and the deflection angle is equivalent to the bending angle of the guide rail part 92. After the chain deflects, the feeding direction of the next metal strip is opposite or inclined to the ring hole of the chain, which ensures the penetration of the metal strip, thereby realizing the continuous weaving of the chain.

[0050] In addition, a chain catcher 12 is arranged below the link forming die 9, the front end of the chain catcher 12 is in U shape and can be extended forward to catch the formed link.

[0051] The pushing mechanism is used to push the feeding mechanism 3, the cutting knife 7, the link forming die 9, the stamping assembly 8 and other components, so that these components can complete their respective actions in cooperation. The pushing mechanism can use multiple cooperating telescopic mechanisms to respectively push the feeding mechanism 3, the cutting knife 7, the link forming die 9, the stamping assembly 8 and other components. The telescopic mechanism can be a pneumatic telescopic device, a hydraulic telescopic device, a crank and connecting rod structure, a sliding module, etc.

[0052] The cooperation process of the feeding mechanism 3, the chain catcher 12, the cutting knife 7, the link forming die 9 and the stamping assembly 8 is as follows: the link forming die 9 is extended forward, so that the column die part 93 is located at the center of the chain weaving station; the feeding mechanism 3 sends the metal wire to the chain weaving station; the cutting knife 7 moves downward and cuts the metal wire into a metal strip; the metal strip is abutted below the chain catcher 12 by the downward moving lower punch 81, and the lower punch 81 bends the metal strip for the first time; the left punch 84 and the right punch 82 slide to the chain weaving station and bend the metal strip for the second time; the upper punch 83 slides downward and bends the metal strip for the third time; after the three times of bending, the metal strip embraces the column die part 93 and forms a link; and then the stamping heads are reset. Then the pushing paw 10 is extended and pushes the link to the guide rail part 92; the link is deflected horizontally during the movement along the guide rail part 92; the link forming die 9 is retracted to the position where the chain catcher 12 is extended, another metal strip is inserted into the link through the ring hole of the link; the link forming die 9 is out of contact with the abutting column, so that the link is completely separated from the link forming die 9; when the link forming die 9 is extended again, the next metal strip can be bent and formed, so as to realize the continuous weaving of the link.

[0053] Embodiment 2

[0054] On the basis of the structure of the embodiment, in order to use a single power structure to push the cutting knife 7, the link forming die 9 and the stamping assembly 8 and other components, the structure in the embodiment is designed.

[0055] The driving mechanism 2 includes a cam mechanism 4 and a push arm assembly 5; the cam mechanism 4 has a linkage shaft 48 and multiple cams, and the multiple cams are connected to the same linkage shaft 48; the push arm assembly 5 includes multiple push arms, which are used for force transmission between the cams and the stamping heads or the link forming die 9.

[0056] The push arm assembly 5 includes right push arm 52, upper push arm 53, punching arm 54, left push arm 55, push claw arm 57, front push arm 58, lower push arm 59 and other push arms; the upper push arm 53, the lower push arm 59, the left push arm 55 and the right push arm 52 are respectively rotatably connected at the upper and lower left and right four directions of the chain forming seat 6, the front push arm 58 is arranged at the rear side of the chain forming station in the front and rear direction, and the front push arm 58 can slide forward and backward along the chain forming seat 6. The front end of the front push arm 58 is connected with the chain clamping device 12, which is located directly below the chain ring forming die 9, and the front end of the chain clamping device 12 is U-shaped and can move forward with the front push arm 58 to clamp the formed ring chain. The upper push arm 53, the lower push arm 59, the left push arm 55 and the right push arm 52 correspond to the handle portions of the four punching heads of the upper filling head, the lower filling head, the left filling head and the right filling head respectively, so as to apply a pushing force to each punching head. A push claw arm 57 is arranged on the left and right sides of the front push arm 58, and the push claw arm 57 can synchronously move forward and backward, and a push claw 10 is rotatably connected to the front end of each push claw arm 57.

[0057] The cam mechanism 4 includes left cam 42, punching push wheel 43, front cam 44, upper cam 45, right cam 46, push claw push wheel 47, linkage shaft 48 and other cams, the protruding directions of each cam are different, so that during the synchronous rotation of all cams, the cooperation of the punching cutter 7, the chain ring forming die 9 and the punching assembly 8 and other components is realized, the upper push arm 53, the lower push arm 59, the left push arm 55 and the right push arm 52 are respectively pushed by the protruding parts of the upper cam 45, the lower cam, the left cam 42 and the right cam 46 to slide towards the chain forming station; the front push arm 58 is slidably arranged on the chain forming seat 6, the chain ring forming die 9 is slidably arranged on the front push arm 58, and the front cam 44 can push the chain ring forming die 9 and the front push arm 58 to move forward when the front cam 44 rotates; the front cam 44 has two recessed areas with different depths, so that when the front push arm 58 is in the state of being lifted forward, the chain ring forming die 9 can be retracted backward. The punching push wheel 43 can lift the punching arm 54 when rotating, so that the punching arm 54 pushes the punching cutter 7 to move downward.

[0058] It should be noted that a reset spring is arranged at each punching head of the punching cutter 7, the chain ring forming die 9 and the punching assembly 8, and the reset spring is used to drive the punching cutter 7, the chain ring forming die 9 and the punching head and other components to move away from the chain forming station.

[0059] In order to realize the rotation control of the cam mechanism 4, the linkage shaft 48 is drivingly connected with a driving mechanism 2, which comprises a motor 21, an intermediate pulley 22 and a transmission pulley 23. The motor 21 is installed on the base 1, the intermediate pulley 22 is rotatably arranged on the base 1, and the transmission pulley 23 is coaxially connected with the linkage shaft 48. The motor 21 and the intermediate pulley 22 are connected by a belt, and the intermediate pulley 22 and the transmission pulley 23 are also connected by a belt. A hand crank is arranged at one side of the transmission pulley 23.

[0060] Embodiment 3

[0061] As shown in Figure 3 and Figure 9 , in order to realize the feeding of the metal wire by the feeding mechanism 3, the structure of the embodiment is designed.

[0062] The cam mechanism 4 comprises a feeding push wheel 41, the edge of which is provided with an axially protruding convex edge, and the protruding heights of different parts of the convex edge are different. The distance between the highest protruding part and the lowest protruding part of the convex edge is the length of the single feeding of the metal wire, and also determines the length of the metal strip and the circumference of the chain ring.

[0063] The feeding mechanism 3 comprises a feeding pipe 31, a guide ring 32, a straightening wheel set 33, a feeding seat frame 34, a sliding groove 35, a pressing arm 36, a push plate 37 and a fixed groove 38.

[0064] The feeding seat frame 34 is fixed on the table surface of the base 1.

[0065] The fixed groove 38 is fixed at the left end of the feeding seat frame 34, and the sliding groove 35 is slidably arranged at the right end of the feeding seat frame 34. The wire coil 13 wound with the metal wire is rotatably arranged at the left end of the fixed groove 38, and a plurality of straightening wheel sets 33 are arranged in the fixed groove 38. Each straightening wheel set 33 comprises two straightening wheels that abut against each other, and the metal wire can pass between the two straightening wheels. The metal wire can be introduced from the wire coil 13 into the fixed groove 38, and after passing through the plurality of straightening wheel sets 33, the metal wire can pass out from the right side of the fixed groove 38.

[0066] The sliding groove 35 can slide along the left-right direction of the feeding seat frame 34, and a plurality of rotatable pressing arms 36 are arranged in the sliding groove 35. The two opposite pressing arms 36 are distributed in a spread shape, so that the resistance of the metal wire during left and right movement is different. When the metal wire can pass between the two opposite pressing arms 36, the metal wire can be moved in one direction relative to the sliding groove 35 by the cooperation of the pressing arms 36 on both sides of the metal wire. The metal wire passing out from the fixed groove 38 will be fed into the sliding groove 35, and after passing through the pressing arms 36, the metal wire will be fed out from the right side of the sliding groove 35. The end of the metal wire will pass through the feeding pipe 31 and be pushed into the chain weaving station.

[0067] A push plate 37 is fixed to the right side of the sliding groove 35, and one side of the push plate 37 extends to the position of the feed pushing wheel 41, so that the sliding groove 35 is driven to slide to the right by the pushing force of the feed pushing wheel 41 on the push plate 37; when the pushing force of the feed pushing wheel 41 disappears, the sliding groove 35 can move to the left under the pulling force of the spring and reset, and in this process, the metal wire remains in position.

[0068] The above examples are merely illustrative for the sake of clarity and are not meant to limit the implementation; all implementations are not required or possible to be enumerated here. The obvious changes or variations derived therefrom are still within the protection scope of the present technology.

Claims

1. A chain braiding machine device, characterized in that: It includes a base (1), a feeding mechanism (3), a pushing mechanism, a chain braiding seat (6), a punching cutter (7), a chain link forming die (9), and a stamping assembly (8). The chain weaving seat (6) is set on the base (1) and a chain weaving station is set at the center of its front side; The feeding mechanism (3) is located on one side of the chain braiding seat (6) and can feed metal wires to the chain braiding station; The punching cutter (7) is slidably mounted on the chain braiding seat (6) and can cut the metal wires extending to the chain braiding station into metal strips; The chain link forming mold (9) is slidably mounted on the chain braiding base (6). The front end of the chain link forming mold (9) is located at the chain braiding station. The front end of the chain link forming mold (9) has a hook-shaped guide rail (92). The guide rail (92) is a structure that is bent in the horizontal direction. The root of the guide rail (92) is connected to the column mold (93) as a whole. The upper end surface of the guide rail (92) is an inclined surface that slopes forward and downward. The stamping assembly (8) includes four stamping heads: an upper punch (83), a lower punch (81), a left punch (84), and a right punch (82). The four stamping heads are slidably arranged on the chain braiding base (6) and located in the four directions of the chain braiding station: up, down, left, and right. The four stamping heads can bend the metal strip and loop it around the front end of the chain link forming die (9). The pushing mechanism is used to provide thrust to the chain forming die (9) and the four stamping heads respectively, and drive the chain forming die (9) and the four stamping heads to cooperate in weaving the chain; The chain link forming mold (9) includes a column mold part (93) and a guide rail part (92). The metal strip can wrap around the column mold part (93) and be formed into a chain link. The guide rail part (92) is curved and is located at the front end of the column mold part (93). When the chain link comes out from the front end of the column mold part (93), the guide rail part (92) can guide the chain link to deflect. The pushing mechanism includes a cam mechanism (4) and a pusher assembly (5); the cam mechanism (4) has a linkage shaft (48) and multiple cams, the multiple cams being connected to the same linkage shaft (48); the pusher assembly (5) includes multiple pushers, the pushers being used for force transmission between the cams and the stamping head or chain forming die (9); The push arm assembly (5) includes a right push arm (52), an upper push arm (53), a left push arm (55), a front push arm (58), and a lower push arm (59); the cam mechanism (4) includes a right cam (46), an upper cam (45), a left cam (42), a front cam (44), and a lower cam; the upper push arm (53), lower push arm (59), left push arm (55), and right push arm (52) are rotatably connected to the four positions of the chain braiding seat (6), and can be pushed by the protrusions of the upper cam (45), lower cam, left cam (42), and right cam (46) to slide toward the chain braiding station; the front push arm (58) is slidably mounted on the chain braiding seat (6), and the chain link forming mold (9) is slidably mounted on the front push arm (58); when the front cam (44) rotates, it can push the chain link forming mold (9) and the front push arm (58) forward; The front cam (44) has two recessed areas of different depths so that when the front push arm (58) is in a forward-push-up state, the chain ring forming mold (9) can retract backward. A chain catcher (12) is connected to the front end of the push arm (58). The chain catcher (12) is located directly below the chain ring forming mold (9), and the front end of the chain catcher (12) is U-shaped and can move forward with the push arm (58) to catch the formed chain ring. A pusher (10) is provided on the left and right sides of the chain ring forming mold (9); the pusher (10) is arc-shaped and its front end can fit against the outer wall of the column mold part (93) and push the chain ring forward; The pushing mechanism includes a cam mechanism (4), which includes a feeding pusher (41). The feeding pusher (41) has an axially protruding convex edge at its edge, and the convex height is different at each point. The feeding mechanism (3) includes a sliding groove (35), through which the metal wire passes. Multiple rotatable clamping arms (36) are provided in the sliding groove (35). The clamping arms (36) on both sides of the metal wire cooperate and enable the metal wire to move unidirectionally relative to the sliding groove (35). The convex edge of the feeding pusher (41) can push the sliding groove (35) toward the chain braiding station and push the metal wire into the chain braiding station. A front abutment post (11) is provided on the front side of the chain link forming mold (9). The front abutment post (11) can move horizontally under the push of the chain link forming mold (9). The front end of the guide rail (92) can abut against the rear end of the front abutment post (11) to prevent the chain link from falling off.

2. The chain braiding machine device according to claim 1, characterized in that: The linkage shaft (48) is connected to a drive mechanism (2), which includes a motor (21), an intermediate pulley (22) and a force transmission pulley (23). The motor (21) is mounted on the base (1), the intermediate pulley (22) is rotatably mounted on the base (1), and the force transmission pulley (23) is coaxially connected to the linkage shaft (48). The motor (21) and the intermediate pulley (22) are connected by separate belts, as are the intermediate pulley (22) and the force transmission pulley (23). A hand crank is provided on one side of the force transmission pulley (23).

Citation Information

Patent Citations

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