Chain hammering machine and jewelry chain processing method

Abstract

The invention discloses a chain hammering machine, and relates to the technical field of jewelry processing. A clamping device, a feeding device, a hammering device and a material returning device which are controlled by the same driving device and are sequentially arranged in the moving direction of the jewelry chain are mounted on the rack; the feeding device comprises a clamping mechanism, a shifting mechanism, a feeding reversing mechanism and a releasing mechanism; the clamping mechanism is arranged on the downstream of the clamping device in the X direction. The shifting mechanism is arranged between the clamping mechanism and the clamping device; the feeding reversing mechanism is vertically arranged below the shifting mechanism, and the feeding reversing mechanism and the shifting mechanism are arranged on the same side; the releasing mechanism is arranged above the clamping mechanism; the material returning device comprises a material returning pipe and a material returning reversing mechanism, and the material returning pipe and the clamping mechanism are coaxially arranged. Continuous hammering molding can be carried out on the chain links of the cross-shaped connecting structure, the production efficiency is improved, and the labor cost is reduced; meanwhile, the hammering and pressing positions are uniform, and the machining precision is high. Meanwhile, the invention discloses a jewelry chain processing method.

Description

Technical Field

[0001] The invention relates to the technical field of jewelry processing, in particular to a hammer chain machine and a jewelry chain processing method. Background Art

[0002] From ancient times to now, people have created various styles, characteristics and patterns of jewelry chains to beautify the human body. As people's living standards continue to improve, in order to meet personalized needs, the requirements for jewelry chain shapes are getting higher and higher.

[0003] like Fig.11 and Fig.12 As shown in the figure, the jewelry chain 9 is composed of a number of chain links 91 connected to each other. Some jewelry chains 9 are composed of a number of chain links 91 in the same plane connected to each other, while some jewelry chains 9 are composed of two adjacent chain links 91 connected to each other to form a cross structure, that is, one chain link 91 is placed horizontally, and the other chain link 91 is placed vertically, and the two chain links 91 in different directions are alternately connected. When shaping the chain links 91, most of the existing shaping methods are cold stamping, and the chain links 91 are processed into various shapes, such as sunflower shapes, using a forming mold to make the jewelry chain 9 beautiful. With the continuous advancement and improvement of production technology, hammer chain machines have appeared in the existing stamping process for the chain links 91, and the chain links can be processed by mechanical stamping methods. As a result, mechanized operations gradually replace manual operations.

[0004] However, the existing chain hammering machine can only hammer and form the chain links 91 in the same plane. For the jewelry chain 9 that adopts a cross structure formed by alternating horizontal and vertical connections, after hammering the horizontal chain links 91, it cannot continue to hammer the vertically arranged chain links 91, which results in the inability to meet the requirements of continuous hammering and forming of the jewelry chain 9 with this structure; the traditional solution is that after hammering a chain link 91 each time, the jewelry chain 9 needs to be manually rotated to change the vertically placed chain link 91 to a horizontal position, and then hammered. Therefore, the production efficiency is reduced, the labor cost is increased, and in the process of manually adjusting the jewelry chain 9, it is easy to cause scratches on the surface of the chain link 91, affecting the beauty of the chain link 91; at the same time, the hammering position of the adjusted chain link 91 cannot be guaranteed to be uniform, resulting in the possibility of changes in the hammering position, affecting the overall wearing effect. Summary of the invention

[0005] In view of this, the technical problem to be solved by the present invention is: to provide a hammer chain machine and a jewelry chain processing method, which can continuously hammer and shape the chain links of the cross connection structure, improve production efficiency, and reduce labor costs; at the same time, the hammering position is unified and the processing accuracy is high.

[0006] To solve the above technical problems, the first technical solution of the present invention is:

[0007] The hammer chain machine comprises a frame; the frame is equipped with a clamping device, a feeding device, a hammer pressing device, and a material returning device which are controlled by the same driving device and arranged in sequence along the moving direction of the jewelry chain; the moving direction of the jewelry chain is defined as the X direction;

[0008] The clamping device is used to fix or release the jewelry chain;

[0009] The feeding device includes a clamping mechanism and a shifting mechanism, a feeding reversing mechanism and a releasing mechanism matched therewith; the clamping mechanism is arranged downstream of the clamping device along the X direction, and the clamping mechanism is used to clamp or release the jewelry chain; the shifting mechanism is arranged between the clamping mechanism and the clamping device, and the shifting mechanism is used to shift the clamping mechanism along the X direction toward the hammer pressing device and drive it to reset; the feeding reversing mechanism is arranged below the shifting mechanism in the vertical direction, and the feeding reversing mechanism is arranged on the same side as the shifting mechanism, and the feeding reversing mechanism is used to drive the clamping end of the clamping mechanism to rotate 90° around its axis and drive it to reset; the releasing mechanism is arranged above the clamping mechanism, and the releasing mechanism is used to drive the clamping end of the clamping mechanism to release the jewelry chain;

[0010] The hammer pressing device is used to simultaneously hammer and press the links of the jewelry chain upward and downward to form and release them;

[0011] The material return device includes a material return tube and a material return reversing mechanism matched therewith. The material return tube is coaxially arranged with the clamping mechanism. The material return reversing mechanism is used to drive the material return tube to rotate 90° around its axis and drive it to reset; when the feeding reversing mechanism drives the clamping mechanism to rotate, the material return reversing mechanism simultaneously drives the material return tube to rotate in the same direction.

[0012] Preferably, the clamping mechanism comprises a slider rail assembly, a clamping seat, and a clamping assembly;

[0013] The slider rail assembly includes a slide rail and a slider, the slide rail is connected to the frame along the X direction, the slider is adapted to the slide rail, and the slider is fixedly connected to the clamping seat;

[0014] The clamping assembly includes a clamping rod and an upper clamping jaw, the clamping rod is arranged along the X direction, the clamping rod is rotatably installed on the clamping seat around its axis, a cross-shaped feeding channel is opened in the clamping rod, the upper clamping jaw is rotatably installed on one end of the clamping rod, a clamping reset tension spring is installed between the upper clamping jaw and the clamping rod, a lower pressure wheel compatible with the release mechanism is rotatably installed on the upper clamping jaw, and a feeding reversing gear is installed on the other end of the clamping rod.

[0015] Preferably, the driving mechanism includes a driving member, a front driving arm, a rear driving arm, and a driving reset spring;

[0016] The driving member is an L-shaped structure, the driving member is rotatably mounted on the frame and is located between the clamping seat and the clamping device, a dial wheel is rotatably mounted on the driving end of the driving member, and the dial wheel abuts against the clamping seat;

[0017] The front transmission arm is arranged along the Y direction and is rotatably mounted on the frame, one end of the front transmission arm is in contact with the transmission member, and the other end of the front transmission arm is connected to the driving device; the Y direction is perpendicular to the X direction;

[0018] The rear delivery arm is arranged along the Y direction and is rotatably mounted on the frame. The rear delivery arm is arranged upstream of the front delivery arm along the moving direction of the jewelry chain. One end of the rear delivery arm abuts against the delivery member, and the other end of the rear delivery arm is connected to the driving device. The rotation angle of the rear delivery arm is greater than the rotation angle of the front delivery arm.

[0019] One end of the toggle return spring is connected to the frame, and the other end of the toggle return spring is connected to the clamping seat.

[0020] Preferably, the feeding reversing mechanism has the same structure as the withdrawing reversing mechanism; the feeding reversing mechanism comprises a reversing member, a reversing push rod, a reversing arm assembly and a reversing reset tension spring;

[0021] The reversing member is rotatably mounted on the clamping seat, and the reversing member is provided with sector teeth adapted to the feeding reversing gear, and one end of the reversing member is in contact with the reversing push rod;

[0022] The reversing push rod is slidably arranged on the frame along the Y direction;

[0023] One end of the reversing arm assembly is rotatably mounted on the frame, the other end of the reversing arm assembly is hinged to the reversing push rod, and the reversing arm assembly is connected to the driving device;

[0024] One end of the reversing reset tension spring is connected to the frame, and the other end of the reversing reset tension spring is connected to the reversing member.

[0025] Preferably, the release mechanism comprises a release seat, a release pressure rod, a release arm and a release spring;

[0026] The release seat is mounted on the frame;

[0027] The release pressure rod is vertically slidably arranged on the release seat, the release pressure rod is located above the lower pressure wheel, the release pressure rod is an inverted T-shaped structure and its bottom extends along the X direction; when the release pressure rod abuts against the lower pressure wheel and moves downward, the clamping end of the upper clamping jaw is separated from the clamping rod;

[0028] The release arm is arranged along the Y direction and is rotatably mounted on the frame, one end of the release arm abuts against the release pressure rod, and the other end of the release arm is connected to the driving device;

[0029] The release spring is vertically accommodated in the release seat, and the release spring abuts between the release pressure rod and the release seat.

[0030] Preferably, the hammer pressing device comprises a hammer pressing seat and two hammer pressing mechanisms with the same structure and symmetrically arranged;

[0031] The hammer pressing seat is installed on the frame;

[0032] The hammer pressing mechanism includes a hammer head, a hammer pressing spring and a hammer pressing arm; the hammer head is vertically slidably arranged on the hammer pressing seat; the hammer pressing spring is accommodated in the hammer pressing seat, and the hammer pressing spring abuts between the hammer head and the hammer pressing seat; the hammer pressing arm is arranged along the Y direction and rotatably installed on the frame, one end of the hammer pressing arm is connected to the hammer head, and the other end of the hammer pressing arm is connected to the driving device.

[0033] Preferably, the material-returning device comprises a material-returning seat, and the material-returning seat is mounted on the frame;

[0034] The material return tube is arranged along the X direction, and is rotatably installed on the material return seat around its axis. A material return channel with the same structure and corresponding position as the feeding channel is opened in the material return tube, and a material return reversing gear compatible with the material return reversing mechanism is installed at one end of the material return tube.

[0035] Preferably, the clamping device comprises a clamping seat, an upper clamp, a lower clamp, a clamping release spring and a clamping arm;

[0036] The clamping seat is mounted on the frame;

[0037] The upper clamp and the lower clamp are arranged opposite to each other and installed inside the clamping seat, and a T-shaped slideway is provided on the opposite surfaces of the upper clamp and the lower clamp;

[0038] The clamping release spring abuts between the upper clamp and the lower clamp;

[0039] The clamping arm is arranged along the Y direction and is rotatably mounted on the frame. One end of the clamping arm abuts against the upper clamp, and the other end of the clamping arm is connected to the driving device.

[0040] Preferably, the driving device comprises a motor, a main shaft and a plurality of cams;

[0041] The main shaft is rotatably mounted on the frame along the X direction, and the main shaft is dynamically connected to the motor;

[0042] The cam is installed on the main shaft, and the cam includes a clamping cam for driving the clamping device, a feeding cam group for driving the feeding mechanism, a feeding reversing cam for driving the feeding reversing mechanism, a releasing cam for driving the releasing mechanism, a hammer pressing cam group for driving the hammer pressing device, and a returning reversing cam for driving the returning reversing mechanism.

[0043] Preferably, a loading device and a unloading device are also installed on the frame;

[0044] The feeding device comprises a feeding motor, a feeding plate, a feeding tension wheel, a feeding sensor limit assembly and a feeding reversing wheel; the feeding motor is controlled by the feeding sensor limit assembly; the feeding plate is rotatably mounted on the frame and is connected to the feeding motor power; the feeding tension wheel is vertically slidably arranged on the frame; the feeding reversing wheel is rotatably mounted upstream of the clamping device;

[0045] The unloading device includes an unloading reversing wheel, an unloading sensor limit assembly, an unloading tensioning wheel, an unloading clamping wheel group, and an unloading motor; the unloading reversing wheel is rotatably installed downstream of the unloading device; the unloading tensioning wheel is vertically slidably arranged on the frame; the unloading clamping wheel group includes an unloading active clamping wheel and an unloading driven clamping wheel, the unloading active clamping wheel is connected to the unloading motor power, and the unloading driven clamping wheel is pressed against the unloading active clamping wheel through an unloading clamping tension spring; the unloading motor is controlled by the unloading sensor limit assembly.

[0046] Based on the same inventive concept, the second technical solution of the present invention is:

[0047] The jewelry chain processing method, using the above-mentioned hammer chain machine, comprises the following steps:

[0048] S10, threading the chain; passing the jewelry chain through the clamping device, the feeding device, the hammering device, and the material return device in sequence; the feeding device includes a clamping mechanism and a matching feeding mechanism, a feeding reversing mechanism, and a releasing mechanism; confirming that the clamping mechanism is in the initial position and is clamping the jewelry chain, and the clamping device is in the releasing state of the jewelry chain;

[0049] S11, first feeding; the feeding mechanism drives the clamping mechanism to approach the hammer pressing device for the first time, driving the jewelry chain to move together, so that the horizontally arranged chain links of the jewelry chain are in the hammer pressing device; at this time, the clamping mechanism is in the first feeding position;

[0050] S12, first hammering; the hammering device hammers the current chain link into shape, and releases the current chain link after forming;

[0051] S13, the jewelry chain flips; the feeding reversing mechanism drives the clamping mechanism to rotate the jewelry chain 90°, and at the same time, the material return reversing mechanism drives the material return tube to rotate 90° in the same direction, and the next chain link set vertically rotates to a horizontal setting;

[0052] S14, second feeding; the feeding mechanism continues to push the clamping mechanism to approach the hammer pressing device for the second time, driving the jewelry chain to move together, so that the next horizontally arranged chain link is in the hammer pressing device, replacing the previous chain link; at this time, the clamping mechanism is in the second feeding position;

[0053] S15, second hammering; the hammering device hammers the current chain link into shape, and releases the current chain link after forming;

[0054] S16, clamping the jewelry chain; the clamping device clamps the jewelry chain, and the clamping mechanism releases the jewelry chain;

[0055] S17, reset; the feeding reversing mechanism drives the clamping mechanism to rotate 90° in the opposite direction, and the material return reversing mechanism drives the material return tube to rotate 90° in the opposite direction; the feeding mechanism drives the clamping mechanism to move along X to the initial position;

[0056] S18, clamping the jewelry chain; the clamping mechanism clamps the jewelry chain, and the clamping device releases the jewelry chain;

[0057] S19. Repeat S11 to S18 until all chain links are hammered into shape.

[0058] After adopting the above technical solution, the beneficial effects of the present invention are:

[0059] The hammer chain machine of the present application comprises a frame; a clamping device, a feeding device, a hammer pressing device, and a material returning device which are controlled by the same driving device and arranged in sequence along the moving direction of the jewelry chain are installed on the frame; the moving direction of the jewelry chain is defined as the X direction; wherein the clamping device is used to fix or release the jewelry chain; the feeding device comprises a clamping mechanism and a dialing mechanism, a feeding reversing mechanism, and a releasing mechanism adapted thereto; the clamping mechanism is arranged downstream of the clamping device along the X direction, and the clamping mechanism is used to clamp or release the jewelry chain; the dialing mechanism is arranged between the clamping mechanism and the clamping device, and the dialing mechanism is used to dial the clamping mechanism along the X direction to approach the hammer pressing device and drive it to reset; the feeding reversing mechanism is arranged along the vertical The feeding mechanism is arranged below the feeding mechanism, and the feeding reversing mechanism is arranged on the same side as the feeding mechanism. The feeding reversing mechanism is used to drive the clamping end of the clamping mechanism to rotate 90° around its axis and drive it to reset; the releasing mechanism is arranged above the clamping mechanism, and the releasing mechanism is used to drive the clamping end of the clamping mechanism to release; the hammer pressing device is used to hammer and release the links of the jewelry chain at the same time; the material return device includes a material return tube and a material return reversing mechanism matched therewith, the material return tube is coaxially arranged with the clamping mechanism, and the material return reversing mechanism is used to drive the material return tube to rotate 90° around its axis and drive it to reset; when the feeding reversing mechanism drives the clamping mechanism to rotate, the material return reversing mechanism simultaneously drives the material return tube to rotate in the same direction.

[0060] When it is necessary to hammer-form the links in the jewelry chain, the feeding mechanism shifts the clamping mechanism, and the clamping mechanism clamps the jewelry chain close to the hammering device, so that one of the links is placed in the hammering device, and the hammering device hammers it into shape; when it is necessary to hammer-form the next link, the feeding reversing mechanism drives the clamping mechanism to rotate 90°, and at the same time, the material return reversing mechanism drives the material return tube to rotate in the same direction at the same time, and the clamping mechanism drives the jewelry chain to rotate 90°, and then the feeding mechanism shifts the clamping mechanism to place the next link in the hammering device, and the hammering device hammers it into shape; after the hammering of two links is completed, the clamping device clamps the jewelry chain, the clamping mechanism rotates 90° in the opposite direction, the material return tube rotates 90° in the opposite direction, and the clamping mechanism resets to prepare for the hammering of the next link. In this process, the traditional method of manually rotating the chain for adjustment is replaced, and continuous hammering is achieved, which improves production efficiency and reduces labor costs. Secondly, the clamping mechanism cooperates with the hammering device to fix the feeding position of the chain link and unify the hammering position of the hammering device, thereby improving the hammering processing accuracy of the chain link and improving the wearing effect of the jewelry chain.

[0061] The present application also discloses a hammering processing method. Based on the hammer chain machine in the present application, it can replace manual operation and continuously hammer and shape the chain links of the cross connection structure, thereby improving production efficiency and reducing labor costs; at the same time, the hammering position is unified and the processing accuracy is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0063] Figure 1 1 is a schematic structural diagram of a hammer chain machine according to an embodiment of the present invention;

[0064] Figure 2 yes Figure 1 A schematic diagram of the structure in another direction;

[0065] Figure 3 yes Figure 1 The structural diagram of the feeding device;

[0066] Figure 4 yes Figure 3 The main view;

[0067] Figure 5 yes Figure 4 Side view of

[0068] Figure 6 yes Figure 1 Schematic diagram of the structure of the middle hammer pressure device;

[0069] Figure 7 yes Figure 6 Side view of

[0070] Figure 8 yes Figure 2 The structural diagram of the middle material withdrawal device;

[0071] Fig. 9 yes Figure 8 Side view of

[0072] Fig.10 yes Figure 1 A schematic diagram of the structure of the middle drive device in another direction;

[0073] Fig.11 It is a schematic diagram of the structure of the jewelry chain before forming;

[0074] Fig.12 It is a schematic diagram of the structure of the jewelry chain after forming;

[0075] In the figure:

[0076] 1. Frame;

[0077] 2. Driving device; 21. Spindle; 22. Clamping cam; 23. Feeding cam group; 24. Feeding reversing cam; 25. Release cam; 26. Hammering cam group; 27. Retracting reversing cam;

[0078] 3. Clamping device; 31. Clamping seat; 32. Upper clamp; 33. Lower clamp; 34. Clamping arm;

[0079] 4. Feeding device; 41. Clamping mechanism; 411. Slider rail assembly; 412. Clamping seat; 413. Clamping assembly; 4131. Clamping rod; 4132. Upper clamping claw; 4133. Feeding channel; 4134. Lower pressure wheel; 4135. Feeding reversing gear; 42. Feeding mechanism; 421. Feeding member; 422. Front feeding arm; 423. Rear feeding arm; 424. Pulley; 43. Feeding reversing mechanism; 431. Reversing member; 4311. Sector tooth; 432. Reversing push rod; 433. Reversing arm assembly; 434. Reversing reset tension spring; 44. Release mechanism; 441. Release seat; 442. Release pressure rod; 443. Release arm;

[0080] 5. Hammer pressing device; 51. Hammer pressing seat; 52. Hammer pressing mechanism; 521. Hammer head; 522. Hammer pressing arm;

[0081] 6. Material return device; 61. Material return pipe; 611. Material return channel; 62. Material return reversing mechanism; 63. Material return seat; 64. Material return reversing gear;

[0082] 7. Feeding device; 71. Feeding motor; 72. Feeding plate; 73. Feeding tensioning wheel; 74. Feeding sensor limit assembly; 75. Feeding reversing wheel;

[0083] 8. Unloading device; 81. Unloading reversing wheel; 82. Unloading sensor limit assembly; 83. Unloading tensioning wheel; 84. Unloading clamping wheel set; 85. Unloading motor;

[0084] 9. Jewelry chain; 91. Chain link. DETAILED DESCRIPTION

[0085] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0086] Embodiment 1

[0087] like Figures 1 to 3 As shown together, the present invention includes a frame 1; the frame 1 is equipped with a clamping device 3, a feeding device 4, a hammering device 5, and a material returning device 6 which are controlled by the same driving device 2 and arranged in sequence along the moving direction of the jewelry chain; wherein the moving direction of the jewelry chain is defined as the X direction.

[0088] In the present application, the clamping device 3 is used to fix or release the jewelry chain.

[0089] The feeding device 4 includes a clamping mechanism 41 and a feeding mechanism 42, a feeding reversing mechanism 43 and a releasing mechanism 44 adapted thereto; wherein the clamping mechanism 41 is arranged downstream of the clamping device 3 along the X direction, and the clamping mechanism 41 is used to clamp or release the jewelry chain; the feeding mechanism 42 is arranged between the clamping mechanism 41 and the clamping device 3, and the feeding mechanism 42 is used to move the clamping mechanism 41 toward the hammer pressing device 5 along the X direction and drive it to reset; the feeding reversing mechanism 43 is arranged vertically below the feeding mechanism 42, and the feeding reversing mechanism 43 is arranged on the same side as the feeding mechanism 42, and the feeding reversing mechanism 43 is used to drive the clamping end of the clamping mechanism 41 to rotate 90° around its axis and drive it to reset; the releasing mechanism 44 is arranged above the clamping mechanism 41, and the releasing mechanism 44 is used to drive the clamping end of the clamping mechanism 41 to release the jewelry chain.

[0090] When the clamping mechanism 41 clamps the jewelry chain, the clamping device 3 is in a released state with respect to the jewelry chain; when the clamping mechanism 41 releases the jewelry chain, the clamping device 3 is in a clamped state with respect to the jewelry chain.

[0091] The hammer pressing device 5 is used to simultaneously hammer and press the links of the jewelry chain upward and downward to form and release them.

[0092] The material return device 6 includes a material return tube 61 and a material return reversing mechanism 62 matched therewith. The material return tube 61 is coaxially arranged with the clamping mechanism 41. The material return reversing mechanism 62 is used to drive the material return tube 61 to rotate 90° around its axis and drive it to reset; when the feeding reversing mechanism 43 drives the clamping mechanism 41 to rotate, the material return reversing mechanism 62 simultaneously drives the material return tube 61 to rotate in the same direction.

[0093] When it is necessary to hammer-form the links in the jewelry chain, the feeding mechanism 42 shifts the clamping mechanism 41, and the clamping mechanism 41 clamps the jewelry chain close to the hammering device 5, so that one of the links is placed in the hammering device 5, and the hammering device 5 hammers it; when it is necessary to hammer the next link, the feeding reversing mechanism 43 drives the clamping mechanism 41 to rotate 90°, and at the same time, the material return reversing mechanism 62 drives the material return tube 61 to rotate in the same direction at the same time, and the clamping mechanism drives the jewelry chain to rotate 90°, and then the feeding mechanism 42 shifts the clamping mechanism 41, so that the next link is placed in the hammering device 5, and the hammering device 5 hammers it; after the hammering of two links is completed, the clamping device 3 clamps the jewelry chain, the clamping mechanism 41 rotates 90° in the opposite direction, the material return tube 61 rotates 90° in the opposite direction, and the clamping mechanism 41 is reset to prepare for the hammering of the next link. In this process, the traditional method of manually rotating the chain for adjustment is replaced, and continuous hammering is achieved, which improves production efficiency and reduces labor costs; secondly, the clamping mechanism 41 cooperates with the hammering device 5 to fix the feeding position of the chain link, and the hammering position of the hammering device 5 is unified, which improves the hammering processing accuracy of the chain link and improves the wearing effect of the jewelry chain.

[0094] like Figure 1 , Figures 3 to 5 As shown together, preferably, the clamping mechanism 41 includes a slider rail assembly 411, a clamping seat 412, and a clamping assembly 413; wherein, the slider rail assembly 411 includes a rail and a slider, the rail is connected to the frame 1 along the X direction, the slider is adapted to the rail, and the slider is fixedly connected to the clamping seat 412; the slider can drive the clamping seat 412 to reciprocate along the X direction.

[0095] The clamping assembly 413 includes a clamping rod 4131 and an upper clamping jaw 4132. The clamping rod 4131 is arranged along the X direction. The clamping rod 4131 is rotatably installed on the clamping seat 412 around its axis. A cross-shaped feeding channel 4133 is opened in the clamping rod 4131. The upper clamping jaw 4132 is rotatably installed on one end of the clamping rod 4131. A clamping reset tension spring (not shown in the figure) is installed between the upper clamping jaw 4132 and the clamping rod 4131. A lower pressure wheel 4134 compatible with the release mechanism 44 is rotatably installed on the upper clamping jaw 4132, and a feeding reversing gear 4135 is installed on the other end of the clamping rod 4131.

[0096] The upper clamping jaw 4132 is installed on one end of the clamping rod 4131 close to the hammer pressing device 5. The clamping reset tension spring keeps the upper clamping jaw 4132 in contact with the clamping rod 4131 to clamp the jewelry chain. When the release mechanism 44 moves downward to abut against the lower pressure wheel 4134 and continues to move downward, the upper clamping jaw 4132 will be separated from the clamping rod 4131 to release the jewelry chain.

[0097] In the present application, the transmission mechanism 42 includes a transmission member 421, a front transmission arm 422, a rear transmission arm 423, and a transmission reset tension spring (blocked in the figure). The transmission member 421 is an L-shaped structure, which is rotatably mounted on the frame 1 and located between the clamping seat 412 and the clamping device 3. The dial end of the transmission member 421 is rotatably mounted with a dial wheel 424, which abuts against the clamping seat 412.

[0098] The front transmission arm 422 is arranged along the Y direction and rotatably mounted on the frame 1 , one end of the front transmission arm 422 abuts against the transmission member 421 , and the other end of the front transmission arm 422 is connected to the driving device 2 ; the Y direction is perpendicular to the X direction.

[0099] The rear sending arm 423 is arranged along the Y direction and is rotatably installed on the frame 1. The rear sending arm 423 is arranged upstream of the front sending arm 422 along the moving direction of the jewelry chain. One end of the rear sending arm 423 is in contact with the sending member 421, and the other end of the rear sending arm 423 is connected to the driving device 2; the rotation angle of the rear sending arm 423 is greater than the rotation angle of the front sending arm 422.

[0100] The front feeding arm 422 and the rear feeding arm 423 are both controlled by the driving device 2. Under the drive of the driving device 2, the front feeding arm 422 first drives the feeding member 421 to rotate around the connection between the feeding member 421 and the frame 1, and drives the dial wheel 424 to push the clamping seat 412 to move along the X direction to achieve the feeding of the current chain link. After the current chain link is hammered and the feeding reversing mechanism 43 drives the clamping end of the clamping mechanism 41 to rotate 90° around its axis, the rear feeding arm 423 is driven by the driving device 2 to drive the feeding member 421 to rotate around the connection between the feeding member 421 and the frame 1. Based on the current position, the feeding member 421 drives the dial wheel 424 to continue to push the clamping seat 412 to move along the X direction to achieve the feeding of the next chain link.

[0101] One end of the reset spring is connected to the frame 1, and the other end of the reset spring is connected to the clamping seat 412. After the clamping seat 412 has moved twice and the feeding reversing mechanism drives the clamping mechanism to rotate 90° in the opposite direction to reset, the reset spring drives the clamping seat 412 to move in the opposite direction along the X direction to reset.

[0102] In the present application, the feeding reversing mechanism 43 has the same structure as the material return reversing mechanism 62; the feeding reversing mechanism 43 includes a reversing member 431, a reversing push rod 432, a reversing arm assembly 433 and a reversing reset tension spring 434. The reversing member 431 is rotatably mounted on the clamping seat 412, and the reversing member 431 is provided with a sector tooth 4311 adapted to the feeding reversing gear 4135, and one end of the reversing member 431 abuts against the reversing push rod 432.

[0103] The reversing push rod 432 is slidably arranged on the frame 1 along the Y direction; one end of the reversing arm assembly 433 is rotatably installed on the frame 1, and the other end of the reversing arm assembly 433 is hinged to the reversing push rod 432, and the reversing arm assembly 433 is connected to the driving device 2; the reversing arm assembly drives the reversing push rod 432 to move along the Y direction, and drives the reversing member 431 to rotate around the installation point between it and the clamping seat 412, so as to realize the rotation of the feeding reversing gear 4135 through the fan tooth 4311, and then drives the clamping assembly 413 to rotate together.

[0104] One end of the reversing reset spring 434 is connected to the frame 1, and the other end of the reversing reset spring 434 is connected to the reversing member 431. When the reversing member 431 needs to drive the feeding reversing gear 4135 to reset, the reversing reset spring 434 pulls the reversing member 431 to rotate in the opposite direction, so that the sector teeth 4311 drive the feeding reversing gear 4135 to rotate in the opposite direction, and then drives the clamping assembly 413 to complete the reverse reset.

[0105] In the present application, the release mechanism 44 includes a release seat 441 , a release pressure rod 442 , a release arm 443 and a release spring (hidden in the figure).

[0106] The release pressure rod 442 is vertically slidably set on the release seat 441. The release pressure rod 442 is located above the lower pressure wheel 4134. The release pressure rod 442 is an inverted T-shaped structure and its bottom extends along the X direction. When the release pressure rod 442 abuts against the lower pressure wheel 4134 and moves downward, the clamping end of the upper clamping jaw 4132 is separated from the clamping rod 4131.

[0107] When the clamping assembly 413 needs to be moved in the opposite direction of the X direction to reset, the release pressure rod 442 abuts against the lower pressure wheel 4134 and moves downward, and the reset tension spring drives the clamping seat 412 to move in the opposite direction of the X direction. At this time, there is rolling friction between the lower pressure wheel 4134 and the release pressure rod 442, which reduces the friction resistance.

[0108] The release arm 443 is arranged along the Y direction and is rotatably installed on the frame 1. One end of the release arm 443 abuts against the release pressure rod 442, and the other end of the release arm 443 is connected to the drive device 2; the release spring is vertically accommodated in the release seat 441, and the release spring abuts between the release pressure rod 442 and the release seat 441.

[0109] like Figure 1 , Figure 6 to Figure 7 As shown in the figure, in the present application, the hammer pressing device 5 includes a hammer pressing seat 51 and two hammer pressing mechanisms 52 with the same structure and symmetrical arrangement. The hammer pressing seat 51 is installed on the frame 1; the hammer pressing mechanism 52 includes a hammer head 521, a hammer pressing spring (obscured in the figure) and a hammer pressing arm 522.

[0110] The hammer head 521 is vertically slidably arranged on the hammer pressure seat 51; the hammer pressure spring is accommodated in the hammer pressure seat 51, and the hammer pressure spring abuts between the hammer head 521 and the hammer pressure seat 51; the hammer pressure arm 522 is arranged along the Y direction and rotatably installed on the frame 1, one end of the hammer pressure arm 522 is connected to the hammer head 521, and the other end of the hammer pressure arm 522 is connected to the driving device 2.

[0111] Driven by the driving device 2, the hammer arm 522 drives the hammer head 521 to move back and forth vertically, and the two hammer heads 521 approach or move away from each other at the same time, and the upper and lower surfaces of the chain link are hammered and formed, forming two sides at one time, which improves the processing efficiency and ensures the processing accuracy.

[0112] like Figure 1 , Figures 8 to 9 As shown together, in the present application, the material-removing device 6 comprises a material-removing seat 63 , and the material-removing seat 63 is installed on the frame 1 .

[0113] The material return pipe 61 is arranged along the X direction, and is rotatably installed on the material return seat 63 around its axis. A material return channel 611 with the same structure and corresponding position as the feeding channel 4133 is opened in the material return pipe 61, and a material return reversing gear 64 adapted to the material return reversing mechanism 62 is installed at one end of the material return pipe 61.

[0114] The feeding reversing mechanism 43 has the same structure as the material return reversing mechanism 62. Therefore, the working principle of the material return reversing mechanism 62 driving the material return tube 61 to rotate and reverse and reset is the same as the working principle of the feeding reversing mechanism 43 driving the clamping assembly 413 to rotate and reverse and reset, which will not be repeated here.

[0115] like Figure 1 , Figure 2 As shown together, in the present application, the clamping device 3 comprises a clamping seat 31, an upper clamp 32, a lower clamp 33, a clamping release spring (hidden in the figure) and a clamping arm 34. The clamping seat 31 is mounted on the frame 1.

[0116] The upper clamp 32 and the lower clamp 33 are arranged opposite to each other and installed inside the clamp seat 31. The upper clamp 32 and the lower clamp 33 are provided with T-shaped slideways on their opposite surfaces. The two slideways are arranged opposite to each other to form a cross-shaped channel, which is convenient for the jewelry chain to pass through. When the clamping device 3 is in a released state for the jewelry chain, the height of the cross-shaped channel in the X direction is greater than the height of the feeding channel 4133 and the withdrawing channel 611, so it will not affect the movement of the jewelry chain and reduce the friction damage to the jewelry chain. When the clamping device 3 clamps and fixes the jewelry chain, the two slideways approach each other and jointly complete the clamping of the jewelry chain. At the same time, during this process, the vertical chain links of the jewelry chain are accommodated in the slideways, which will not cause damage to the chain links.

[0117] The clamping release spring abuts between the upper clamp 32 and the lower clamp 33; the clamping arm 34 is arranged along the Y direction and rotatably mounted on the frame 1, one end of the clamping arm 34 abuts against the upper clamp 32, and the other end of the clamping arm 34 is connected to the driving device 2.

[0118] The power for the upper clamp 32 to move downward comes from the driving device 2 and is transmitted by the clamping arm 34, and the power for the upper clamp 32 to move upward comes from the elastic force release of the clamping release spring.

[0119] like Fig.10 As shown, in the present application, the driving device 2 includes a motor (not shown), a main shaft 21 and a plurality of cams. The main shaft 21 is rotatably mounted on the frame 1 along the X direction, and the main shaft 21 is connected to the motor by power.

[0120] The cam is installed on the main shaft 21, and the cam includes a clamping cam 22 for driving the clamping device 3, a feeding cam group 23 for driving the feeding mechanism 42, a feeding reversing cam 24 for driving the feeding reversing mechanism 43, a releasing cam 25 for driving the releasing mechanism 44, a hammer pressing cam group 26 for driving the hammer pressing device 5, and a material returning reversing cam 27 for driving the material returning reversing mechanism 62.

[0121] like Figure 1 , Figure 2As shown in the figure, a loading device 7 and a unloading device 8 are also installed on the frame 1.

[0122] The feeding device 7 includes a feeding motor 71, a feeding plate 72, a feeding tensioning wheel 73, a feeding sensor limit assembly 74 and a feeding reversing wheel 75. The feeding motor 71 is controlled by the feeding sensor limit assembly 74; the feeding plate 72 is rotatably mounted on the frame 1 and is connected to the feeding motor 71; the feeding tensioning wheel 73 is vertically slidably arranged on the frame 1; and the feeding reversing wheel 75 is rotatably mounted upstream of the clamping device 3.

[0123] The feeding sensor limit assembly 74 includes a feeding upper limit sensor and a feeding lower limit sensor, and the feeding sensor limit assembly 74 is adapted to the feeding tension wheel 73. When the feeding tension wheel 73 moves upward and is detected by the feeding upper limit sensor, it means that the feeding speed of the jewelry chain is lower than the forming speed. At this time, the speed of the feeding motor 71 increases, and the feeding speed of the jewelry chain is increased; when the feeding tension wheel 73 moves downward and is detected by the feeding lower limit sensor, it means that the feeding speed of the jewelry chain is higher than the forming speed. At this time, the speed of the feeding motor 71 decreases, and the feeding speed of the jewelry chain is reduced.

[0124] The unloading device 8 includes an unloading reversing wheel 81, an unloading sensing limit assembly 82, an unloading tensioning wheel 83, an unloading clamping wheel set 84, and an unloading motor 85. The unloading reversing wheel 81 is rotatably mounted downstream of the unloading device 6; the unloading tensioning wheel 83 is vertically slidably arranged on the frame 1; the unloading clamping wheel set 84 includes an unloading active clamping wheel and an unloading driven clamping wheel, the unloading active clamping wheel is connected to the unloading motor 85 by power, and the unloading driven clamping wheel is pressed against the unloading active clamping wheel through an unloading clamping tension spring (not shown in the figure); the unloading motor 85 is controlled by the unloading sensing limit assembly 82.

[0125] The unloading device 8 controls the unloading speed of the jewelry chain. Its working principle is the same as the working principle of the loading device controlling the loading speed of the jewelry chain, which will not be repeated here.

[0126] Embodiment 2

[0127] The present application also discloses a jewelry chain processing method, which uses the hammer chain machine disclosed in the above embodiment; the method comprises the following steps:

[0128] S10, threading the chain; passing the jewelry chain through the clamping device, the feeding device, the hammering device, and the material return device in sequence; the feeding device includes a clamping mechanism and a matching feeding mechanism, a feeding reversing mechanism, and a releasing mechanism; confirming that the clamping mechanism is in the initial position and is clamping the jewelry chain, and the clamping device is in the releasing state of the jewelry chain;

[0129] S11, first feeding; the feeding mechanism drives the clamping mechanism to approach the hammer pressing device for the first time, driving the jewelry chain to move together, so that the horizontally arranged chain links of the jewelry chain are in the hammer pressing device; at this time, the clamping mechanism is in the first feeding position;

[0130] S12, first hammering; the hammering device hammers the current chain link into shape, and releases the current chain link after forming;

[0131] S13, the jewelry chain flips; the feeding reversing mechanism drives the clamping mechanism to rotate the jewelry chain 90°, and at the same time, the material return reversing mechanism drives the material return tube to rotate 90° in the same direction, and the next chain link set vertically rotates to a horizontal setting;

[0132] S14, second feeding; the feeding mechanism continues to push the clamping mechanism to approach the hammer pressing device for the second time, driving the jewelry chain to move together, so that the next horizontally arranged chain link is in the hammer pressing device, replacing the previous chain link; at this time, the clamping mechanism is in the second feeding position;

[0133] S15, second hammering; the hammering device hammers the current chain link into shape, and releases the current chain link after forming;

[0134] S16, clamping the jewelry chain; the clamping device clamps the jewelry chain, and the clamping mechanism releases the jewelry chain;

[0135] S17, reset; the feeding reversing mechanism drives the clamping mechanism to rotate 90° in the opposite direction, and the material return reversing mechanism drives the material return tube to rotate 90° in the opposite direction; the feeding mechanism drives the clamping mechanism to move along X to the initial position;

[0136] S18, clamping the jewelry chain; the clamping mechanism clamps the jewelry chain, and the clamping device releases the jewelry chain;

[0137] S19. Repeat S11 to S18 until all chain links are hammered into shape.

[0138] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hammer chain machine, comprising a frame; characterized in that: The frame is equipped with a clamping device, a feeding device, a hammer pressing device, and a material returning device which are controlled by the same driving device and arranged in sequence along the moving direction of the jewelry chain; the moving direction of the jewelry chain is defined as the X direction; The clamping device is used to fix or release the jewelry chain; The feeding device includes a clamping mechanism and a driving mechanism, a feeding reversing mechanism and a releasing mechanism matched therewith; the clamping mechanism is arranged downstream of the clamping device along the X direction, and the clamping mechanism is used to clamp or release the jewelry chain; the driving mechanism is arranged between the clamping mechanism and the clamping device, and the driving mechanism is used to drive the clamping mechanism to approach the hammer pressing device along the X direction and drive it to reset; the feeding reversing mechanism is arranged vertically below the driving mechanism, and the feeding reversing mechanism is arranged on the same side as the driving mechanism, and the feeding reversing mechanism is used to drive the clamping end of the clamping mechanism to rotate 90° around its axis and drive it to reset; The release mechanism is arranged above the clamping mechanism, and is used to drive the clamping end of the clamping mechanism to release the jewelry chain; The hammer pressing device is used to simultaneously hammer and press the links of the jewelry chain upward and downward to form and release them; The material withdrawal device comprises a material withdrawal tube and a material withdrawal reversing mechanism matched therewith, wherein the material withdrawal tube is coaxially arranged with the clamping mechanism, and the material withdrawal reversing mechanism is used to drive the material withdrawal tube to rotate 90° around its axis and drive it to reset; When the feeding reversing mechanism drives the clamping mechanism to rotate, the material withdrawal reversing mechanism simultaneously drives the material withdrawal tube to rotate in the same direction.

2. The hammer chain machine according to claim 1, characterized in that: The clamping mechanism includes a slider rail assembly, a clamping seat, and a clamping assembly; The slider rail assembly includes a slide rail and a slider, the slide rail is connected to the frame along the X direction, the slider is adapted to the slide rail, and the slider is fixedly connected to the clamping seat; The clamping assembly includes a clamping rod and an upper clamping jaw, the clamping rod is arranged along the X direction, the clamping rod is rotatably installed on the clamping seat around its axis, a cross-shaped feeding channel is opened in the clamping rod, the upper clamping jaw is rotatably installed on one end of the clamping rod, a clamping reset tension spring is installed between the upper clamping jaw and the clamping rod, a lower pressure wheel compatible with the release mechanism is rotatably installed on the upper clamping jaw, and a feeding reversing gear is installed on the other end of the clamping rod.

3. The hammer chain machine according to claim 2, characterized in that: The driving mechanism includes a driving member, a front driving arm, a rear driving arm, and a driving reset spring; The driving member is an L-shaped structure, the driving member is rotatably mounted on the frame and is located between the clamping seat and the clamping device, a dial wheel is rotatably mounted on the driving end of the driving member, and the dial wheel abuts against the clamping seat; The front transmission arm is arranged along the Y direction and is rotatably mounted on the frame, one end of the front transmission arm is in contact with the transmission member, and the other end of the front transmission arm is connected to the driving device; the Y direction is perpendicular to the X direction; The rear delivery arm is arranged along the Y direction and is rotatably mounted on the frame. The rear delivery arm is arranged upstream of the front delivery arm along the moving direction of the jewelry chain. One end of the rear delivery arm abuts against the delivery member, and the other end of the rear delivery arm is connected to the driving device. The rotation angle of the rear delivery arm is greater than the rotation angle of the front delivery arm. One end of the toggle return spring is connected to the frame, and the other end of the toggle return spring is connected to the clamping seat.

4. The hammer chain machine according to claim 2, characterized in that: The feeding reversing mechanism has the same structure as the withdrawing reversing mechanism; the feeding reversing mechanism includes a reversing member, a reversing push rod, a reversing arm assembly and a reversing reset tension spring; The reversing member is rotatably mounted on the clamping seat, and the reversing member is provided with sector teeth adapted to the feeding reversing gear, and one end of the reversing member is in contact with the reversing push rod; The reversing push rod is slidably arranged on the frame along the Y direction; One end of the reversing arm assembly is rotatably mounted on the frame, the other end of the reversing arm assembly is hinged to the reversing push rod, and the reversing arm assembly is connected to the driving device; One end of the reversing reset tension spring is connected to the frame, and the other end of the reversing reset tension spring is connected to the reversing member.

5. The hammer chain machine according to claim 2, characterized in that: The release mechanism comprises a release seat, a release pressure rod, a release arm and a release spring; The release seat is mounted on the frame; The release pressure rod is vertically slidably arranged on the release seat, the release pressure rod is located above the lower pressure wheel, the release pressure rod is an inverted T-shaped structure and its bottom extends along the X direction; when the release pressure rod abuts against the lower pressure wheel and moves downward, the clamping end of the upper clamping jaw is separated from the clamping rod; The release arm is arranged along the Y direction and is rotatably mounted on the frame, one end of the release arm abuts against the release pressure rod, and the other end of the release arm is connected to the driving device; The release spring is vertically accommodated in the release seat, and the release spring abuts between the release pressure rod and the release seat.

6. The hammer chain machine according to claim 2, characterized in that: The hammer pressing device comprises a hammer pressing seat and two hammer pressing mechanisms with the same structure and symmetrically arranged; The hammer pressing seat is installed on the frame; The hammer pressing mechanism includes a hammer head, a hammer pressing spring and a hammer pressing arm; the hammer head is vertically slidably arranged on the hammer pressing seat; the hammer pressing spring is accommodated in the hammer pressing seat, and the hammer pressing spring abuts between the hammer head and the hammer pressing seat; the hammer pressing arm is arranged along the Y direction and rotatably installed on the frame, one end of the hammer pressing arm is connected to the hammer head, and the other end of the hammer pressing arm is connected to the driving device.

7. The hammer chain machine according to claim 2, characterized in that: The material-returning device comprises a material-returning seat, and the material-returning seat is mounted on the frame; The material return tube is arranged along the X direction, and is rotatably installed on the material return seat around its axis. A material return channel with the same structure and corresponding position as the feeding channel is opened in the material return tube, and a material return reversing gear compatible with the material return reversing mechanism is installed at one end of the material return tube.

8. The hammer chain machine according to claim 2, characterized in that: The clamping device comprises a clamping seat, an upper clamp, a lower clamp, a clamping release spring and a clamping arm; The clamping seat is mounted on the frame; The upper clamp and the lower clamp are arranged opposite to each other and installed inside the clamping seat, and a T-shaped slideway is provided on the opposite surfaces of the upper clamp and the lower clamp; The clamping release spring abuts between the upper clamp and the lower clamp; The clamping arm is arranged along the Y direction and is rotatably mounted on the frame. One end of the clamping arm abuts against the upper clamp, and the other end of the clamping arm is connected to the driving device.

9. The hammer chain machine according to claim 1, characterized in that: The driving device comprises a motor, a main shaft and a plurality of cams; The main shaft is rotatably mounted on the frame along the X direction, and the main shaft is dynamically connected to the motor; The cam is installed on the main shaft, and the cam includes a clamping cam for driving the clamping device, a feeding cam group for driving the feeding mechanism, a feeding reversing cam for driving the feeding reversing mechanism, a releasing cam for driving the releasing mechanism, a hammer pressing cam group for driving the hammer pressing device, and a returning reversing cam for driving the returning reversing mechanism.

10. A method for processing a jewelry chain, using the hammer chain machine according to claim 1, characterized in that: The steps include: S10, threading the chain; passing the jewelry chain through the clamping device, the feeding device, the hammering device, and the material return device in sequence; the feeding device includes a clamping mechanism and a matching feeding mechanism, a feeding reversing mechanism, and a releasing mechanism; confirming that the clamping mechanism is in the initial position and is clamping the jewelry chain, and the clamping device is in the releasing state of the jewelry chain; S11, first feeding; the feeding mechanism drives the clamping mechanism to approach the hammer pressing device for the first time, driving the jewelry chain to move together, so that the horizontally arranged chain links of the jewelry chain are in the hammer pressing device; at this time, the clamping mechanism is in the first feeding position; S12, first hammering; the hammering device hammers the current chain link into shape, and releases the current chain link after forming; S13, jewelry chain flip; The feeding reversing mechanism drives the clamping mechanism to rotate the jewelry chain 90°, and at the same time, the material return reversing mechanism drives the material return tube to rotate 90° in the same direction, and the next chain link set vertically rotates to a horizontal setting; S14, second feeding; the feeding mechanism continues to push the clamping mechanism to approach the hammer pressing device for the second time, driving the jewelry chain to move together, so that the next horizontally arranged chain link is in the hammer pressing device, replacing the previous chain link; at this time, the clamping mechanism is in the second feeding position; S15, second hammering; the hammering device hammers the current chain link into shape, and releases the current chain link after forming; S16, clamping the jewelry chain; the clamping device clamps the jewelry chain, and the clamping mechanism releases the jewelry chain; S17, reset; the feeding reversing mechanism drives the clamping mechanism to rotate 90° in the opposite direction, and the material return reversing mechanism drives the material return tube to rotate 90° in the opposite direction; the feeding mechanism drives the clamping mechanism to move along X to the initial position; S18, clamping the jewelry chain; the clamping mechanism clamps the jewelry chain, and the clamping device releases the jewelry chain; S19. Repeat S11 to S18 until all chain links are hammered into shape.

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