Precious metal wire automatic pay-off device for jewelry processing
By designing an automatic wire feeding device that includes a threaded rod, a U-shaped limit block, and a scale, the problem of manually controlling the wire feeding length in precious metal wire processing was solved, achieving automated control, reducing learning costs, and improving wire feeding accuracy.
Patent Information
- Application Number
- CN202520403939.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-10
AI Technical Summary
In existing precious metal wire processing, automatic wire feeding length control requires operators to operate the machine, resulting in high learning costs and increased work difficulty.
An automatic wire feeding device was designed, comprising a base, a support plate, a wire feeding roller, a wire feeding assembly, and a cutting assembly. Utilizing structures such as a threaded rod, a U-shaped limit block, and a scale, the device enables automatic wire pulling and cutting, reducing manual intervention.
Automated control reduces the need for operators to control the wire length on the machine, lowers the learning cost, and improves the accuracy and efficiency of wire laying.
Smart Images
Figure CN223752123U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the field of jewelry processing, in particular to a noble metal wire automatic pay-off device for jewelry processing. BACKGROUND
[0002] The noble metal wire is a fine metal wire made of pure gold or pure silver and other noble metal materials. The noble metal wire is very fine and soft, and has very high ductility. The noble metal wire is favored by jewelry making and handicraft making due to its high purity and bright luster, and the noble metal wire includes gold wire, silver wire and platinum wire. The gold wire is a fine wire made of pure gold material, the silver wire is made of pure silver material, and the platinum wire is made of pure platinum material.
[0003] In the existing noble metal wire processing process, automatic pay-off is usually realized by using numerical control technology, and the pay-off length needs to be controlled by an operator on the machine, so that the learning cost is high, and the working difficulty is increased. Practical new type content
[0004] In order to solve the above problems, the application provides a noble metal wire automatic pay-off device for jewelry processing.
[0005] The noble metal wire automatic pay-off device for jewelry processing provided by the application adopts the following technical scheme:
[0006] A noble metal wire automatic pay-off device for jewelry processing, comprising a base, two support plates are fixedly connected to the upper surface of the base, a pay-off roller is rotatably connected between the two support plates, a pay-off assembly and a cutting assembly are arranged on the base, the pay-off assembly comprises a first through groove arranged on the upper surface of the base, a T-shaped sliding block is slidably connected in the first through groove, a driving assembly is arranged on the base and used to drive the T-shaped sliding block to move, a clamping assembly for fixing one end of the metal wire is arranged on the upper surface of the T-shaped sliding block, a sliding groove is arranged in the side wall of each side of the base, a limiting rod is fixedly connected in the sliding groove, a U-shaped limiting block is arranged on one side of the T-shaped sliding block on the upper surface of the base, the side walls of the two ends of the U-shaped limiting block are slidably connected with the sliding grooves and are sleeved on the limiting rods, a locking assembly is arranged on the U-shaped limiting block, and a scale is engraved on one side of the first through groove on the upper surface of the base.
[0007] By adopting the above technical scheme, when in use, the metal wire is placed on the pay-off roller, then one end of the metal wire is passed through the cutting assembly to make the clamping assembly clamp, then the U-shaped limiting block is slid through the sliding groove according to the length of the pay-off wire, the distance between the U-shaped limiting block and the cutting assembly is adjusted by cooperating with the scale table, then the driving assembly is started, the T-shaped sliding block drives the clamping assembly to approach the U-shaped limiting block, the metal wire is pulled out, and then the metal wire is cut through the cutting assembly, so that the length of the pay-off wire needs to be controlled by the operator on the machine is avoided as much as possible, the learning cost is high, and the working difficulty is improved.
[0008] Preferably, the driving assembly comprises a threaded rod rotatably connected in the first through groove, one end of the base is provided with a first reversible motor for driving the threaded rod to rotate, and the T-shaped sliding block is sleeved on the threaded rod and is in threaded connection.
[0009] By adopting the above technical scheme, the first reversible motor is started to drive the threaded rod to rotate, the T-shaped sliding block is moved in the first through groove by cooperating with the first through groove, and the clamping assembly is moved to automatically pull out the metal wire.
[0010] Preferably, the cutting assembly comprises a U-shaped frame fixedly connected to one side of the support plate on the upper surface of the base, a second through groove is formed in the top end of the U-shaped frame, a bidirectional screw rod is rotatably connected in the second through groove, a second reversible motor for driving the bidirectional screw rod to rotate is mounted on one side wall of the U-shaped frame, two mounting plates are slidably arranged in the second through groove, the mounting plates are in threaded connection with the bidirectional screw rod and extend out of the second through groove at the bottom ends, and two cutting knives are fixedly connected to the opposite side walls of the two mounting plates for cutting the metal wire.
[0011] By adopting the above technical scheme, the second reversible motor is started to make the bidirectional screw rod rotate, the two mounting plates are driven to approach each other, the two cutting knives are made to abut against each other, and the metal wire between the two cutting knives is cut.
[0012] Preferably, two tensioning rollers for improving the tension of the metal wire are rotatably connected between the pay-off roller and the U-shaped frame between the two support plates.
[0013] By adopting the above technical scheme, one end of the metal wire is passed through below and above the two tensioning rollers respectively, so that the tension of the metal wire can be improved, the metal wire can be prevented from being bent after being paid off from the pay-off roller, and the accuracy of the length of the pay-off wire is affected.
[0014] Preferably, the locking assembly comprises a fastening bolt arranged on the upper surface of the U-shaped limiting block, the screw end of the fastening bolt penetrates through the U-shaped limiting block and is rotatably connected with a locking block, and the locking block abuts against the upper surface of the base.
[0015] By adopting the technical scheme, after the U-shaped limiting block is adjusted to the position, the locking block is abutted with the base by rotating the fastening bolt, and sliding of the locking block is prevented.
[0016] Preferably, the clamping assembly comprises a clamping column fixedly connected to the top end of the T-shaped sliding block, a notch is formed in the top end of the clamping column, two clamping blocks are arranged in the notch, a plurality of springs are fixedly connected to the side wall of the two clamping blocks opposite to each other, and one end of the spring away from the clamping block is fixedly connected to the side wall of the notch.
[0017] By adopting the technical scheme, the wire is clamped and fixed by placing one end of the wire between the clamping blocks and by the spring, and the two clamping blocks are adhered to each other, so that the wire can be placed out of the pay-off roller when the T-shaped sliding block moves.
[0018] Preferably, two touch switch devices are installed on the side wall of the clamping column close to the U-shaped limiting block, and the touch switch devices are electrically connected with the first and second reversible motors respectively.
[0019] By adopting the technical scheme, when the clamping column adheres to the U-shaped limiting block, the first reversible motor is stopped and the second reversible motor is started by the touch switch device.
[0020] Preferably, guide rods are fixedly connected to the upper surface of the locking block on both sides of the fastening bolt, and one end of the guide rod away from the locking block penetrates the U-shaped limiting block.
[0021] By adopting the technical scheme, the locking block is prevented from rotating by the guide rod, so that the locking block is prevented from being inclined to affect the contact between the clamping column and the U-shaped limiting block.
[0022] Preferably, a positioning rod is arranged in each spring, one end of the positioning rod is fixedly connected to the clamping block, and the other end of the positioning rod penetrates the side wall of the notch and is slidably arranged.
[0023] By adopting the technical scheme, the stability of the spring is improved by the positioning rod, the spring is prevented from being bent, and the two clamping blocks are separated by pulling the positioning rod, and the wire is placed.
[0024] In summary, the present application has at least one of the following beneficial technical effects:
[0025] 1. The application is set through the cooperation of the screw rod, U-shaped limiting block and scale table and other structures, when using, the wire is placed on the pay-off roller, then one end of the wire is passed through the cutting assembly to make the clamping assembly clamp, according to the length of the pay-off wire, the U-shaped limiting block is slid through the sliding groove, the distance between the U-shaped limiting block and the cutting assembly is adjusted by cooperating with the scale table, then the driving assembly is started, the T-shaped sliding block drives the clamping assembly to approach the U-shaped limiting block, the wire is automatically pulled out, then the cutting assembly is cut, which can avoid the length of the pay-off wire needing to be controlled by the operator on the machine, the learning cost is high, and the working difficulty is improved;
[0026] 2. By passing one end of the wire below and above the two tensioning rollers respectively, the tensioning degree of the wire can be improved, and the wire is prevented from bending after being paid off from the pay-off roller, which affects the accuracy of the wire pay-off length. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 It is a whole structure schematic view of a precious metal wire automatic pay-off device for jewelry processing in the embodiment of the application;
[0028] Figure 2 It is a schematic view of the main embodiment of the application Figure 1 A region enlargement structure in the middle;
[0029] Figure 3 It is a schematic view of the main embodiment of the application which embodies the structure of the cutting assembly;
[0030] Figure 4 It is a schematic view of the main embodiment of the application which embodies the structure of the clamping assembly.
[0031] Fig. 1, base; 2, support plate; 3, pay-off roller; 4, first through slot; 5, threaded rod; 6, first forward and reverse motor; 7, T-shaped sliding block; 8, sliding groove; 81, limiting rod; 9, U-shaped limiting block; 10, scale table; 11, U-shaped frame; 12, second through slot; 13, bidirectional screw; 14, second forward and reverse motor; 15, mounting plate; 16, cutting knife; 17, tensioning roller; 18, fastening bolt; 19, locking block; 20, clamping column; 21, notch; 22, clamping block; 23, spring; 24, touch switch device; 25, guide rod; 26, positioning rod. DETAILED DESCRIPTION
[0032] The following will be described in detail in combination with the accompanying Figures 1-4 The application will be further described in detail.
[0033] The embodiment of the application discloses a precious metal wire automatic pay-off device for jewelry processing.
[0034] Refer to Figure 1 and Figure 2The application relates to a precious metal wire automatic pay-off device for jewelry processing, which comprises a base 1, two vertically arranged supporting plates 2 fixedly connected to the upper surface of the base 1, a pay-off roller 3 for placing metal wires and rotatably connected between the two supporting plates 2, a pay-off assembly for controlling the pay-off length and a cutting assembly for cutting the metal wires on the base 1, wherein the pay-off assembly comprises a first through groove 4, a T-shaped sliding block 7, a sliding groove 8, a limiting rod 81, a U-shaped limiting block 9 and a scale table 10.
[0035] The first through groove 4 is arranged on one side of the pay-off roller 3 on the upper surface of the base 1, the T-shaped sliding block 7 is slidingly arranged in the first through groove 4, the base 1 is provided with a driving assembly for driving the T-shaped sliding block 7 to slide in the first through groove 4, the upper surface of the T-shaped sliding block 7 is provided with a clamping assembly for clamping one end of the metal wire, the sliding groove 8 is arranged with two sliding grooves arranged on the two side walls of the base 1 respectively, the limiting rod 81 is arranged with two limiting rods fixedly connected in the sliding grooves 8 respectively, the U-shaped limiting block 9 is arranged on the upper surface of the base 1 and located on the side of the T-shaped sliding block 7 away from the supporting plate 2, the two end side walls of the U-shaped limiting block 9 are slidingly connected with the sliding grooves 8 and are sleeved on the limiting rods 81 respectively, the U-shaped limiting block 9 is provided with a locking assembly on the upper surface of the base 1 and located on the side of the first through groove 4, and the scale table 10 is engraved on the upper surface of the base 1 and located on the side of the first through groove 4, and is used for confirming the pay-off length of the metal wire.
[0036] Referring to Figure 1 The driving assembly comprises a threaded rod 5 rotatably connected in the first through groove 4, and a first reversible motor 6 mounted at one end of the base 1 and used for driving the threaded rod 5 to rotate, the T-shaped sliding block 7 is sleeved on the threaded rod 5 and is in threaded connection, the first reversible motor 6 is started to drive the threaded rod 5 to rotate, the first through groove 4 is matched to make the T-shaped sliding block 7 move in the first through groove 4, and the clamping assembly is driven to move to automatically pull out the metal wire.
[0037] Referring to Figure 1 And Figure 3 The cutting assembly comprises a U-shaped frame 11 fixedly connected to the upper surface of the base 1 and located on one side of the supporting plate 2, a second through groove 12 is arranged at the top end of the U-shaped frame 11, a bidirectional screw rod 13 is rotatably connected in the second through groove 12, a second reversible motor 14 is mounted on one side wall of the U-shaped frame 11 and used for driving the bidirectional screw rod 13 to rotate, two mounting plates 15 are slidingly arranged in the second through groove 12, the mounting plates 15 are in threaded connection with the bidirectional screw rod 13 and the bottom ends of the mounting plates 15 extend out of the second through groove 12, two cutting knives 16 for cutting the metal wire are fixedly connected to the opposite side walls of the two mounting plates 15, the second reversible motor 14 is started to make the bidirectional screw rod 13 rotate, the two mounting plates 15 are driven to move close to each other, the two cutting knives 16 are made to abut against each other, and the metal wire between the two cutting knives 16 is cut.
[0038] Referring to Figure 1Two tensioning rollers 17 for improving the tension of the metal wire are rotationally connected between the pay-off roller 3 and the U-shaped bracket 11 between the two support plates 2, and one end of the metal wire passes from below and above the two tensioning rollers 17 respectively, which can improve the tension of the metal wire and prevent the metal wire from bending after being paid off from the pay-off roller 3, thereby affecting the accuracy of the wire paying-off length.
[0039] With reference to Figure 1 The locking assembly comprises a fastening bolt 18 arranged on the upper surface of the U-shaped limiting block 9, the threaded end of the fastening bolt 18 penetrates through the U-shaped limiting block 9 and is rotationally connected with a locking block 19, the locking block 19 abuts against the upper surface of the base 1, and after the U-shaped limiting block 9 is adjusted to the proper position, the locking block 19 is brought into abutment with the base 1 by rotating the fastening bolt 18, so that the sliding of the locking block 19 can be prevented.
[0040] With reference to Figure 1 And Figure 4 The clamping assembly comprises a clamping column 20 fixedly connected to the top end of the T-shaped sliding block 7, a notch 21 is formed in the top end of the clamping column 20, two clamping blocks 22 are arranged in the notch 21, a plurality of springs 23 are fixedly connected to the side walls of the two clamping blocks 22 opposite to each other, and the ends of the springs 23 away from the clamping blocks 22 are fixedly connected to the side walls of the notch 21. By placing one end of the metal wire between the two clamping blocks 22 and making the two clamping blocks 22 abut against each other through the springs 23, the metal wire can be clamped and fixed, and the metal wire can be paid off from the pay-off roller 3 when the T-shaped sliding block 7 moves.
[0041] With reference to Figure 1 Two touch switch devices 24 are mounted on the side wall of the clamping column 20 close to the U-shaped limiting block 9, and the touch switch devices 24 are electrically connected with the first and second reversible motors 6 and 14 respectively. When the clamping column 20 abuts against the U-shaped limiting block 9, the touch switch devices 24 can be used to control the first reversible motor 6 to stop and the second reversible motor 14 to start respectively.
[0042] With reference to Figure 1 A guide rod 25 is fixedly connected to the upper surface of the locking block 19 on both sides of the fastening bolt 18, and the end of the guide rod 25 away from the locking block 19 penetrates through the U-shaped limiting block 9. The guide rod 25 can prevent the locking block 19 from rotating and causing the locking block 19 to tilt and affect the contact between the clamping column 20 and the U-shaped limiting block 9.
[0043] With reference to Figure 4 A positioning rod 26 is arranged in each spring 23, one end of the positioning rod 26 is fixedly connected to the clamping block 22, and the other end of the positioning rod 26 penetrates through the side wall of the notch 21 and is slidably arranged. The positioning rod 26 can improve the stability of the spring 23 and prevent the spring 23 from bending, and pulling the positioning rod 26 can facilitate the separation of the two clamping blocks 22 and the placement of the metal wire.
[0044] The implementation principle of the jewelry processing noble metal wire automatic pay-off device is as follows: when in use, the metal wire is placed on the pay-off roller 3, and then one end of the metal wire is respectively threaded from below and above the two tensioning rollers 17, the tension of the paid-out metal wire is increased, the bending of the metal wire after being paid out from the pay-off roller 3 is prevented, the accuracy of the length of the paid-out metal wire is affected, then one end of the metal wire is threaded between the two cutting knives 16, one end of the metal wire is located between the two clamping blocks 22, the two clamping blocks 22 are mutually adhered to be clamped by the spring 23, then according to the length of the wire to be paid out, the U-shaped limiting block 9 is slid through the sliding slot 8, the distance between the U-shaped limiting block 9 and the cutting knife 16 is adjusted by cooperating with the scale table 10, then the locking block 19 is abutted with the base 1 by rotating the fastening bolt 18, the sliding of the locking block 19 is prevented, then the first forward-reverse motor 6 is started to drive the threaded rod 5 to rotate, the T-shaped sliding block 7 drives the clamping column 20 to approach the U-shaped limiting block 9, the metal wire is automatically pulled out, when the clamping column 20 is adhered with the U-shaped limiting block 9, the first forward-reverse motor 6 is controlled to stop and the second forward-reverse motor 14 is controlled to start by the touch switch 24, the bidirectional screw rod 13 is rotated to drive the two mounting plates 15 to approach each other, the two cutting knives 16 are adhered to each other, the metal wire located between the two cutting knives 16 is cut, and the length of the paid-out wire is controlled by the operator on the machine as much as possible, the learning cost is high, and the working difficulty is increased.
[0045] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. A kind of noble metal wire automatic pay-off device for jewelry processing, including base (1), the upper surface of the base (1) is fixedly connected with two support plates (2), two the support plate (2) is rotatably connected with pay-off roller (3), the base (1) is equipped with pay-off assembly and cutting assembly, characterized in that: The wire releasing assembly comprises a first through slot (4) formed on the upper surface of the base (1), a T-shaped sliding block (7) slidably connected in the first through slot (4), a driving assembly provided on the base (1) for driving the T-shaped sliding block (7) to move, a clamping assembly provided on the upper surface of the T-shaped sliding block (7) for fixing one end of the wire, two sliding grooves (8) formed on the side walls of the base (1), a limiting rod (81) fixedly connected in each of the sliding grooves (8), a U-shaped limiting block (9) provided on one side of the T-shaped sliding block (7) on the upper surface of the base (1), the U-shaped limiting block (9) slidably connected with the sliding grooves (8) and sleeved on the limiting rod (81), a locking assembly provided on the U-shaped limiting block (9), and a scale table (10) engraved on one side of the first through slot (4) on the upper surface of the base (1).
2. The automatic wire feeding device for precious metal wire for jewelry processing according to claim 1, characterized in that: The driving assembly comprises a threaded rod (5) rotatably connected in the first through slot (4), a first reversible motor (6) mounted at one end of the base (1) for driving the threaded rod (5) to rotate, and the T-shaped sliding block (7) is sleeved on the threaded rod (5) and threadedly connected.
3. The automatic wire feeding device for precious metal wire for jewelry processing according to claim 2, characterized in that: The cutting assembly comprises a U-shaped frame (11) fixedly connected on one side of the supporting plate (2) on the upper surface of the base (1), a second through slot (12) formed at the top end of the U-shaped frame (11), a bidirectional screw rod (13) rotatably connected in the second through slot (12), a second reversible motor (14) mounted on one side wall of the U-shaped frame (11) for driving the bidirectional screw rod (13) to rotate, two mounting plates (15) slidably arranged in the second through slot (12), the mounting plates (15) threadedly connected with the bidirectional screw rod (13) and extending out of the second through slot (12) at the bottom ends, and a cutting knife (16) fixedly connected on the side walls of the mounting plates (15) opposite to each other for cutting the wire.
4. The automatic wire feeding device for precious metal wire for jewelry processing according to claim 3, characterized in that: Two tensioning rollers (17) for improving the tension of the wire are rotatably connected between the wire releasing roller (3) and the U-shaped frame (11) between the two supporting plates (2).
5. The automatic wire feeding device for precious metal wire for jewelry processing according to claim 4, characterized in that: The locking assembly comprises a fastening bolt (18) provided on the upper surface of the U-shaped limiting block (9), the fastening bolt (18) penetrates the U-shaped limiting block (9) at the screw end and is rotatably connected with a locking block (19), and the locking block (19) abuts against the upper surface of the base (1).
6. The automatic wire feeding device for precious metal wire for jewelry processing according to claim 5, characterized in that: The clamping assembly comprises a clamping column (20) fixedly connected at the top end of the T-shaped sliding block (7), a notch (21) formed at the top end of the clamping column (20), two clamping blocks (22) arranged in the notch (21), a plurality of springs (23) fixedly connected on the side walls of the clamping blocks (22) opposite to each other, and the ends of the springs (23) away from the clamping blocks (22) fixedly connected with the side walls of the notch (21).
7. The automatic wire feeding device for precious metal wire for jewelry processing according to claim 6, characterized in that: Two touch switch devices (24) are installed on the side wall of the clamping column (20) near one side of the U-shaped limiting block (9), and the touch switch devices (24) are respectively electrically connected with the first positive and negative motor (6) and the second positive and negative motor (14).
8. The automatic wire feeding device for precious metal wire for jewelry processing according to claim 7, characterized in that: The upper surface of the locking block (19) is fixedly connected with guide rods (25) on both sides of the fastening bolt (18), and one end of the guide rod (25) away from the locking block (19) penetrates the U-shaped limiting block (9).
9. The automatic wire feeding device for precious metal wire for jewelry processing according to claim 8, characterized in that: The spring (23) is provided with a positioning rod (26), one end of the positioning rod (26) is fixedly connected with the clamping block (22), and the other end of the positioning rod (26) penetrates the side wall of the slot (21) and is slidably arranged.