Tinned copper wire surface pretreatment device

Abstract

The utility model relates to the technical field of surface treatment, in particular to a tin-coated copper wire surface pretreatment device, which comprises a pickling bath, two symmetrical surface end parts in the length direction are respectively provided with double-screw bolts, and the double-screw bolts are provided with nuts; the four support frames are respectively arranged on the studs of the pickling tank and are fixed with the pickling tank through nuts; the two supporting shafts are rotationally mounted in the shaft holes of the two supporting frames coaxially mounted at the two ends of the pickling tank respectively, and conveying rollers are arranged on the supporting shafts; the two clamping mechanisms are mounted on the two supporting frames at the two ends of the pickling tank correspondingly and used for enabling the copper wire to move along with rotation of the conveying rollers; the transmission mechanism is arranged on the pickling tank, is matched with the two supporting shafts, and is used for synchronous rotation of the two conveying rollers; the driving mechanism is arranged on the pickling tank, the driving mechanism and one supporting shaft are installed in a matched mode, and the driving mechanism is used for providing traction force for the copper wire through the conveying rollers; the pickling efficiency and quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of surface treatment, particularly to a tinned copper wire surface pretreatment device. BACKGROUND

[0002] In the electronic, electrical and communication industries, tinned copper wire is widely used in cables, coils, circuit boards and other products as an important conductive material. In order to ensure the adhesion and uniformity of the tinning layer, the copper wire usually needs to be pretreated before tinning, and pickling is one of the key steps. Pickling can effectively remove the oxides, oil stains and other impurities on the surface of the copper wire, and slightly etch the surface to increase the adhesion of the plating layer, providing a clean surface for subsequent tinning process.

[0003] In recent years, some automatic tinned copper wire surface pretreatment equipment has appeared. The uneven immersion of the copper wire in the pickling solution affects the pickling quality. UTILITY MODEL CONTENTS

[0004] To solve the above technical problems, the utility model provides a tinned copper wire surface pretreatment device which improves the pickling efficiency and quality.

[0005] The tinned copper wire surface pretreatment device of the utility model comprises:

[0006] The pickling tank is independently fixed and arranged, the bottom end of the pickling tank is provided with an adjusting foot, and the two symmetrical face ends of the length direction of the pickling tank are respectively provided with studs, and nuts are arranged on the studs;

[0007] The four supporting frames are respectively installed on the studs of the pickling tank and fixed with the pickling tank through the nuts, and the shaft holes of the two supporting frames at the same side end are coaxial;

[0008] The two supporting shafts are respectively rotatably installed in the shaft holes of the two supporting frames coaxially installed at the two ends of the pickling tank, and the supporting shafts are provided with conveying rollers;

[0009] The two clamping mechanisms are respectively installed on the two supporting frames at the two ends of the pickling tank, and are used for the displacement of the copper wire following the rotation of the conveying rollers;

[0010] The transmission mechanism is arranged on the pickling tank and cooperatively installed with the two supporting shafts, and is used for the synchronous rotation of the two conveying rollers;

[0011] The driving mechanism is arranged on the pickling tank and cooperatively installed with one supporting shaft, and the driving mechanism is used for the copper wire to provide traction force for the conveying roller.

[0012] Further, the clamping mechanism comprises:

[0013] Two positioning shafts are arranged in the through holes of the two support frames with the same axis, and the positioning shafts are slidingly arranged along the length direction of the through holes;

[0014] Two fixing members are arranged at the ends of the two positioning shafts, and a threaded rod is arranged on the positioning shaft;

[0015] Two threaded pipes are rotatably arranged in the inner holes of the two support frames arranged on the same axis, and the threaded rod is cooperatively arranged with the threaded pipe;

[0016] A transmission shaft is rotatably arranged in the slot of the two fixing members, and a clamping roller is coaxially arranged on the transmission shaft, and the rotation axis of the clamping roller is arranged in parallel with the rotation axis of the conveying roller.

[0017] Preferably, the threaded pipe is provided with an adjusting cap.

[0018] Further, the transmission mechanism comprises:

[0019] Two transmission sprockets are coaxially arranged on the two support shafts, respectively;

[0020] A chain is meshingly arranged with the two transmission sprockets, respectively;

[0021] A tensioning mechanism is arranged on the pickling tank, and the tensioning mechanism is cooperatively arranged with the chain.

[0022] Preferably, the tensioning mechanism comprises:

[0023] A guide slide rail is arranged on the pickling tank;

[0024] A moving member is arranged on the guide slide rail and slidingly arranged along the length direction of the guide slide rail, and an auxiliary shaft is arranged on the moving member;

[0025] A tensioning sprocket is rotatably arranged on the auxiliary shaft, and the rotation axis of the tensioning sprocket is arranged in parallel with the rotation axes of the two transmission sprockets, and the chain is meshingly arranged with the tensioning sprocket;

[0026] A bolt is arranged in the threaded inner hole of the moving member, and the bolt is used for locking the working position of the moving member.

[0027] Further, the driving mechanism comprises:

[0028] A driving motor is arranged on the pickling tank, and a power shaft is arranged at the output end of the driving motor;

[0029] A sector gear is coaxially arranged on the power shaft;

[0030] A transmission gear is coaxially arranged on one support shaft, and the sector gear is meshingly arranged with the transmission gear;

[0031] Limiting mechanisms are arranged on the power shaft and the supporting shaft respectively, and are used for locking the rotation of the supporting shaft after the fan-shaped gear and the transmission gear are disengaged.

[0032] As a preference, the limiting mechanism comprises:

[0033] A connecting piece is fixedly arranged on the transmission gear, and an arc slot is arranged on the connecting piece.

[0034] A limiting piece is coaxially arranged on the power shaft, and the limiting piece is in sliding connection with the arc slot, and the limiting piece and the connecting piece are in a disengaged state when the fan-shaped gear and the transmission gear are engaged.

[0035] Further, a mounting rack is arranged on the pickling tank, and the power shaft is rotatably mounted in cooperation with the mounting rack.

[0036] The acid pickling tank is designed to allow the copper wire to be fully immersed in the acid solution, ensuring uniformity and thoroughness of the acid pickling. Meanwhile, the design of the adjusting legs allows the acid pickling tank to adapt to different ground conditions, ensuring the stability of the equipment. The design of the supporting frame and the stud not only provides stable support but also simplifies the debugging and maintenance process. The design of the supporting shaft and the conveying roller not only provides stable conveying function but also ensures uniform distribution of the copper wire during the acid pickling process, avoiding entanglement or knotting of the copper wire. The design of the clamping mechanism ensures that the copper wire closely adheres to the conveying roller during the acid pickling process, avoiding the phenomenon of copper wire sliding or loosening, further improving the acid pickling effect. The design of the transmission mechanism realizes the synchronous rotation of the two conveying rollers, ensuring the tension of the copper wire during the entire acid pickling process, avoiding the problem of copper wire being too loose or too tight, improving the synchronization and stability of the system. The design of the driving mechanism ensures that the copper wire can continuously and smoothly pass through the acid pickling tank, improving the acid pickling efficiency and quality. At the same time, this design also simplifies the operation process, reduces the need for manual intervention, and improves the automation level and practicality of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 is a structural schematic view of the surface pretreatment device for tinned copper wire in the first angle in the utility model;

[0038] Figure 2 is a structural schematic view of the surface pretreatment device for tinned copper wire in the second angle in the utility model;

[0039] Figure 3 is a structural schematic view of the surface pretreatment device for tinned copper wire in the utility model; Figure 2 A enlarged structural schematic view of the A part in the utility model;

[0040] Figure 4 is a structural schematic view of the clamping mechanism of the surface pretreatment device for tinned copper wire in the utility model;

[0041] Figure 5 Figure 1 is a driving mechanism structure schematic view of the tinned copper wire surface pretreatment device in the utility model;

[0042] In the drawing, mark: 1, pickling tank; 11, adjusting leg; 12, stud; 13, nut; 2, support frame; 3, support shaft; 4, conveying roller; 5, clamping mechanism; 51, positioning shaft; 52, fixing piece; 53, threaded rod; 54, threaded tube; 55, transmission shaft; 56, clamping roller; 57, adjusting cap; 6, transmission mechanism; 61, transmission sprocket; 62, chain; 63, tensioning mechanism; 63a, guide slide rail; 63b, moving piece; 63c, auxiliary shaft; 63d, tensioning sprocket; 63e, bolt; 7, driving mechanism; 71, driving motor; 72, power shaft; 73, sector gear; 74, transmission gear; 75, limiting mechanism; 75a, connecting piece; 75b, limiting piece; 76, mounting frame. DETAILED DESCRIPTION

[0043] The specific embodiments of the utility model are described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0044] The utility model relates to a kind of tinned copper wire surface pretreatment device, as shown in Figure 1, comprising: Figures 1 to 5 As shown in Figure 1, comprising:

[0045] Pickling tank 1 is independently fixedly arranged, and acidic solution is arranged in pickling tank 1, adjusting leg 11 is arranged at the bottom end of pickling tank 1, for adjusting the flatness of pickling tank 1, and the two symmetrical face ends of the length direction of pickling tank 1 are respectively provided with stud 12, and nut 13 is arranged on stud 12;

[0046] Four support frames 2 are respectively installed on stud 12 of pickling tank 1, and are fixed with pickling tank 1 by nut 13, and the axis of the shaft hole of the two support frames 2 at the same side end is coincident;

[0047] Two support shafts 3 are respectively rotatably installed in the shaft hole of the two support frames 2 coaxially installed at the two ends of pickling tank 1, and conveying roller 4 is arranged on support shaft 3, and a plurality of positioning grooves are equidistantly arranged on conveying roller 4;

[0048] Two clamping mechanisms 5 are respectively installed on the two support frames 2 at the two ends of pickling tank 1, for the displacement of copper wire following the rotation of conveying roller 4;

[0049] Transmission mechanism 6 is arranged on pickling tank 1, and is cooperatively installed with two support shafts 3, for the synchronous rotation of two conveying rollers 4, for keeping the tension of copper wire between two conveying rollers 4 stable;

[0050] The driving mechanism 7 is arranged on the pickling tank 1, and the driving mechanism 7 is arranged in cooperation with the support shaft 3, and the driving mechanism 7 is used to provide traction for the copper wire on the conveying roller 4;

[0051] The working principle of the device is as follows:

[0052] The multiple copper wires are respectively placed in the positioning grooves on the two conveying rollers 4, and the copper wires are stably attached to the conveying rollers 4 through the clamping mechanism 5, the copper wire at the middle position of the two conveying rollers 4 is in a relaxed state, the copper wire is immersed in the pickling solution through gravity, and then the driving mechanism 7 drives the support shaft 3 and the conveying roller 4 to rotate, the conveying roller 4 drives the copper wire to move in the pickling tank 1 for pickling, at the same time, the other conveying roller 4 is driven to rotate through the transmission mechanism 6, so that the tension of the copper wire in the pickling solution is kept stable, and continuous pickling can be carried out;

[0053] The design of the pickling tank 1 enables the copper wire to be fully immersed in the acidic solution, ensuring the uniformity and completeness of pickling. At the same time, the design of the adjusting leg 11 enables the pickling tank 1 to adapt to different ground conditions, ensuring the stability of the equipment. The design of the support frame 2 and the stud 12 not only provides stable support, but also simplifies the debugging and maintenance process. The design of the support shaft 3 and the conveying roller 4 not only provides stable conveying function, but also ensures the uniform distribution of the copper wire during pickling, avoiding the problem of entanglement or knotting between the copper wires. The design of the clamping mechanism 5 ensures that the copper wire can closely attach to the conveying roller 4 during pickling, avoiding the phenomenon of copper wire sliding or relaxation, further improving the pickling effect. The design of the transmission mechanism 6 realizes the synchronous rotation of the two conveying rollers 4, ensuring the tension of the copper wire during the entire pickling process, avoiding the problem of copper wire being too loose or too tight, improving the synchronism and stability of the system. The design of the driving mechanism 7 ensures that the copper wire can continuously and smoothly pass through the pickling tank 1, improving the pickling efficiency and quality. At the same time, this design also simplifies the operation process, reduces the need for manual intervention, and improves the automation level and practicability of the equipment.

[0054] As a preferred solution, as shown in Figures 1 to 4 The clamping mechanism 5 comprises:

[0055] Two positioning shafts 51 are arranged in the through holes of the two support frames 2 with the same axis, and the positioning shafts 51 are slidingly arranged along the length direction of the through holes;

[0056] Two fixed parts 52 are arranged at the ends of the two positioning shafts 51, and a threaded rod 53 is arranged on the positioning shaft 51;

[0057] Two threaded tubes 54 are rotatably arranged in the inner holes of the two support frames 2 arranged on the same axis, and the threaded rod 53 is arranged in cooperation with the threaded rod 53, and an adjusting cap 57 is arranged on the threaded tube 54;

[0058] A transmission shaft 55 is rotatably installed in the slot of the two fixing members 52, and a clamping roller 56 is coaxially arranged on the transmission shaft 55, and the rotation axis of the clamping roller 56 is arranged in parallel with the rotation axis of the conveying roller 4;

[0059] The design of the positioning shaft 51 and the fixing member 52 enables the clamping mechanism 5 to be firmly fixed on the support frame 2 and to be adjusted in height according to actual needs, improves the straightening adaptability of the pickled copper wire, the design of the threaded tube 54 and the adjusting cap 57 facilitates the height adjustment of the clamping roller 56, and improves the flexibility and practicality of the system, and the design of the transmission shaft 55 and the clamping roller 56 ensures that the clamping roller 56 can work cooperatively with the conveying roller 4, so that the copper wire can be closely fitted and smoothly moved in the pickling process, avoiding the sliding or loosening of the copper wire, and further improving the pickling effect and production efficiency.

[0060] As a preferred solution, as shown in Figures 1 to 4 the transmission mechanism 6 comprises:

[0061] Two transmission sprockets 61 are coaxially installed on the two support shafts 3, respectively;

[0062] A chain 62 is meshingly installed with the two transmission sprockets 61, respectively;

[0063] A tensioning mechanism 63 is arranged on the pickling tank 1, and the tensioning mechanism 63 is cooperatively installed with the chain 62;

[0064] The design of the transmission sprocket 61 enables the two support shafts 3 to realize mechanical linkage, ensuring that the two conveying rollers 4 can rotate synchronously, thereby ensuring that the copper wire can be smoothly moved in the pickling process, avoiding the problems of too loose or too tight copper wire, and the design of the tensioning mechanism 63 ensures that the chain 62 is always in a proper tensioning state, avoiding the problems of chain slackening or tooth skipping, and further improving the stability and reliability of the system.

[0065] As a preferred solution, as shown in Figure 3 the tensioning mechanism 63 comprises:

[0066] A guide slide rail 63a is arranged on the pickling tank 1;

[0067] A moving member 63b is arranged on the guide slide rail 63a and is slidably installed along the length direction of the guide slide rail 63a, and an auxiliary shaft 63c is arranged on the moving member 63b;

[0068] A tensioning sprocket 63d is rotatably installed on the auxiliary shaft 63c, and the rotation axis of the tensioning sprocket 63d is arranged in parallel with the rotation axes of the two transmission sprockets 61, and the chain 62 is meshingly installed with the tensioning sprocket 63d;

[0069] A bolt 63e is installed in the threaded hole of the moving member 63b, and the bolt 63e is used for locking the working position of the moving member 63b.

[0070] The design of the guide rail 63a and the moving part 63b enables flexible adjustment of the tensioning sprocket 63d according to actual needs, the design of the auxiliary shaft 63c and the tensioning sprocket 63d ensures that the chain 62 can maintain appropriate tension in different working conditions, avoiding the problem of unstable power transmission caused by chain slack, the bolt 63e ensures that the tensioning sprocket 63d can be firmly fixed after adjustment, preventing displacement caused by vibration or other external factors, and further improving the stability of the system.

[0071] As a preferred solution, as shown in Figures 1 to 5 The driving mechanism 7 comprises:

[0072] A driving motor 71 is arranged on the pickling tank 1, and a power shaft 72 is arranged at the output end of the driving motor 71. A mounting frame 76 is arranged on the pickling tank 1, and the power shaft 72 is rotatably mounted in cooperation with the mounting frame 76.

[0073] A sector gear 73 is coaxially mounted on the power shaft 72.

[0074] A transmission gear 74 is coaxially mounted on a support shaft 3, and the sector gear 73 is meshingly mounted with the transmission gear 74.

[0075] A limiting mechanism 75 is arranged on the power shaft 72 and the support shaft 3, respectively, for locking the rotation of the support shaft 3 after the sector gear 73 and the transmission gear 74 are meshed and separated.

[0076] The working principle of the driving mechanism 7 of the device is as follows:

[0077] The driving motor 17 is started to drive the sector gear 73 to rotate through the power shaft 72. When the sector gear 73 is meshed with the transmission gear 74, the transmission gear 74 drives the conveying roller 4 on the support shaft 3 to rotate to convey the copper wire. After the sector gear 73 and the transmission gear 74 are meshed and separated, the support shaft 3 is locked in rotation by the limiting mechanism 75. At this time, the copper wire immersion time is increased. The copper wire continues to be conveyed when the sector gear 73 and the transmission gear 74 are meshed again, and so on.

[0078] The design of the driving motor 71 and the power shaft 72 provides a stable power source, ensuring that the power shaft 72 can rotate smoothly. The design of the sector gear 73 enables intermittent power transmission. Through the periodic meshing and separation of the sector gear 73, the conveying roller 4 is realized intermittent rotation, which prolongs the residence time of the copper wire in the pickling solution and improves the pickling effect. The design of the limiting mechanism 75 not only prevents accidental rotation caused by gear separation, but also ensures the safety and stability of the system. It not only improves the power transmission efficiency and control accuracy of the system, but also greatly enhances the carrying capacity and protection performance of the overall system, reducing the risk of failure caused by external factors.

[0079] As a preferred solution, as shown in Figures 1 to 5 The limiting mechanism 75 comprises:

[0080] The connecting piece 75a is fixedly arranged on the transmission gear 74, and an arc slot is arranged on the connecting piece 75a;

[0081] The limiting piece 75b is coaxially arranged on the power shaft 72, and the limiting piece 75b is in sliding connection with the arc slot; when the sector gear 73 is engaged with the transmission gear 74, the limiting piece 75b is in a disengaged state with the connecting piece 75a;

[0082] The design of the connecting piece 75a and the arc slot ensures that the limiting piece 75b can slide therein, realizing flexible locking and unlocking functions; and the design of the limiting piece 75b ensures that the support shaft 3 can be quickly locked when the sector gear 73 is separated from the transmission gear 74, preventing accidental rotation and improving the safety and stability of the system.

[0083] The tinned copper wire surface pretreatment device of the utility model, its installation mode, connecting mode or setting mode are all common mechanical mode, can carry out implementation as long as can achieve its beneficial effect.

[0084] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the art, without departing from the technical principles of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the utility model.

Claims

1. A device for pre-treating the surface of tinned copper wire, characterized in that, The utility model relates to acid pickling tank (1) is independently fixedly arranged, the bottom end of acid pickling tank (1) is provided with the adjusting support (11), and the both sides of the length direction of acid pickling tank (1) are provided with the screw post (12) respectively, and the screw post (12) is provided with the nut (13) on it. Four support frames (2) are respectively installed on the screw post (12) of the acid pickling tank (1), and are fixed with the acid pickling tank (1) through the nut (13), and the shaft hole axis of two support frames (2) at the same side end is coincident. Two support shafts (3) are respectively rotatably installed in the shaft hole of two support frames (2) coaxially installed at both ends of the acid pickling tank (1), and the support shaft (3) is provided with a conveying roller (4). Two clamping mechanisms (5) are respectively installed on two support frames (2) at both ends of the acid pickling tank (1), which are used for the displacement of copper wire following the rotation of the conveying roller (4). A transmission mechanism (6) is arranged on the acid pickling tank (1) and cooperates with two support shafts (3) for synchronous rotation of two conveying rollers (4). A drive mechanism (7) is arranged on the acid pickling tank (1), and the drive mechanism (7) cooperates with one support shaft (3) for providing traction to the copper wire. The clamping mechanism (5) comprises:

2. A tinned copper wire surface pretreatment apparatus as claimed in claim 1, characterized in that Two positioning shafts (51) are respectively arranged in the through hole of two support frames (2) with coincident axis, and the positioning shaft (51) is slidably installed along the length direction of the through hole. Two fixed parts (52) are respectively arranged at the end of the positioning shaft (51), and a threaded rod (53) is arranged on the positioning shaft (51). Two threaded tubes (54) are rotatably installed in the inner hole of two support frames (2) arranged on the same axis, and the threaded rod (53) cooperates with the threaded rod (53). A transmission shaft (55) is rotatably installed in the slot hole of two fixed parts (52), and a clamping roller (56) is coaxially arranged on the transmission shaft (55), and the rotation axis of the clamping roller (56) is arranged in parallel with the rotation axis of the conveying roller (4). An adjusting cap (57) is arranged on the threaded tube (54).

3. A tinned copper wire surface pretreatment apparatus as defined in claim 2, wherein The transmission mechanism (6) comprises:

4. The tinned copper wire surface pretreatment apparatus of claim 1 wherein, Two transmission sprockets (61) are coaxially installed on two support shafts (3) respectively. A chain (62) is meshingly installed with two transmission sprockets (61) respectively. A tensioning mechanism (63) is arranged on the acid pickling tank (1), and cooperates with the chain (62). The tensioning mechanism (63) comprises:

5. A tinned copper wire surface pretreatment apparatus as defined in claim 4, wherein A guide slide rail (63a) is arranged on the acid pickling tank (1). A moving part (63b) is arranged on the guide slide rail (63a) and slidably installed along the length direction of the guide slide rail (63a), and an auxiliary shaft (63c) is arranged on the moving part (63b). ​ A tension sprocket (63d) is rotatably installed on the auxiliary shaft (63c), and the rotation axis of the tension sprocket (63d) is parallel to the rotation axes of the two transmission sprockets (61); the chain (62) is installed in mesh with the tension sprocket (63d); A bolt (63e) is installed in the threaded hole of the moving part (63b), and the bolt (63e) is used for locking the working position of the moving part (63b).

6. The tinned copper wire surface pretreatment apparatus of claim 1 wherein, The driving mechanism (7) comprises: A driving motor (71) is arranged on the pickling tank (1), and the output end of the driving motor (71) is provided with a power shaft (72); A sector gear (73) is coaxially installed on the power shaft (72); A transmission gear (74) is coaxially installed on one of the support shafts (3), and the sector gear (73) and the transmission gear (74) are installed in mesh; A limiting mechanism (75) is arranged on the power shaft (72) and the support shaft (3) respectively, and is used for locking the rotation of the support shaft (3) after the sector gear (73) and the transmission gear (74) are disengaged.

7. A tinned copper wire surface pretreatment apparatus as defined in claim 6, wherein The limiting mechanism (75) comprises: A connecting piece (75a) is fixedly arranged on the transmission gear (74), and an arc slot is arranged on the connecting piece (75a); A limiting piece (75b) is coaxially installed on the power shaft (72), and the limiting piece (75b) is in sliding connection with the arc slot; when the sector gear (73) and the transmission gear (74) are in mesh, the limiting piece (75b) and the connecting piece (75a) are in a disengaged state.

8. The tinned copper wire surface pretreatment apparatus of claim 6, wherein, An installation frame (76) is arranged on the pickling tank (1), and the power shaft (72) is rotatably installed in cooperation with the installation frame (76).

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