Oxygen-free copper rod resistance test tool

Abstract

The utility model relates to the technical field of oxygen-free copper rod testing, in particular to an oxygen-free copper rod resistance testing tool, which can accurately control the cutting length of an oxygen-free copper rod, ensure that the lengths of samples cut every time are consistent, and further ensure the accuracy and repeatability of resistance testing results. Comprising a main body support and a limiting top block, the main body support is provided with a cutting mechanism, the cutting mechanism comprises a linkage plate and a cutter, the linkage plate is provided with the cutter, the cutter is used for cutting an oxygen-free copper rod, the main body support is provided with the limiting top block, and the limiting top block is used for controlling the cutting length of the oxygen-free copper rod.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen-free copper rod testing, in particular to an oxygen-free copper rod resistance testing tooling. Background Art

[0002] In the wire and cable industry, oxygen-free copper rods are widely used in various high-end electrical equipment due to their excellent electrical conductivity and low resistivity. To ensure the quality of oxygen-free copper rods, a series of tests are required, including resistance testing. Resistance testing can directly reflect whether the electrical conductivity of the copper rod meets the standard, thus ensuring the quality of the final product.

[0003] However, in the actual production process, oxygen-free copper rods usually exist in the form of long continuous strips, which brings difficulties to taking samples separately for resistance testing. The traditional manual cutting method is not only inefficient but also difficult to ensure that the length of each cut sample is consistent, thus affecting the accuracy of the test results. In addition, manual operation may introduce human errors, resulting in unreliable test data. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides an oxygen-free copper rod resistance testing tooling that can accurately control the cutting length of the oxygen-free copper rod, ensure that the length of each cut sample is consistent, and thus guarantee the accuracy and repeatability of the resistance test results.

[0005] The oxygen-free copper rod resistance testing tooling of the utility model includes a main body bracket and a limiting top block. A cutting mechanism is arranged on the main body bracket. The cutting mechanism includes a linkage plate and a cutter. The cutter is arranged on the linkage plate and is used for cutting the oxygen-free copper rod. A limiting top block is arranged on the main body bracket and is used for controlling the length of the cut oxygen-free copper rod.

[0006] In the oxygen-free copper rod resistance testing tooling of the utility model, a supporting block is arranged on the main body bracket, a first pressing block is installed on the linkage plate, a pressing groove is arranged at the bottom end of the first pressing block, and the supporting block and the first pressing block cooperate to tightly press the oxygen-free copper rod.

[0007] In the oxygen-free copper rod resistance testing tooling of the utility model, two groups of guiding pieces are symmetrically arranged on the supporting block, and through holes are arranged on each group of guiding pieces. The through holes on the two groups of guiding pieces and the pressing groove on the first pressing block are arranged on the same straight line.

[0008] In the oxygen-free copper rod resistance testing tooling of the utility model, a protection plate is arranged on the main body bracket to limit the movement path of the oxygen-free copper rod.

[0009] The non-oxygen copper rod resistance test tooling of the present utility model, on the main body bracket, there are two sets of feeding brackets arranged, between the two sets of feeding brackets, a driving roller is rotatably installed, on the driving roller, there is a feeding guide groove, above the driving roller, a feeding pressure roller is rotatably arranged, on the main body bracket, there is a motor, and the power output end of the motor is connected to the power input end of the driving roller.

[0010] The non-oxygen copper rod resistance test tooling of the present utility model, on each set of feeding brackets, there are two sets of guide sliding bars arranged, on both sets of feeding brackets, movable bearing seats are slidably arranged, the movable bearing seats are slidably clamped on the guide sliding bars, on the movable bearing seats, a screw rod is rotatably arranged, on the feeding brackets, there is a butterfly screw sleeve, and the butterfly screw sleeve is in threaded cooperation with the screw rod.

[0011] The non-oxygen copper rod resistance test tooling of the present utility model, on the main body bracket, there is a side stop block arranged, on the main body bracket, there is a third cylinder arranged, the output end of the third cylinder is provided with a second pressing block, on the second pressing block, there is a pressing groove, and the second pressing block and the side stop block cooperate to clamp and press the non-oxygen copper rod.

[0012] The non-oxygen copper rod resistance test tooling of the present utility model, rubber pads are adhesively arranged in the pressing grooves of the first pressing block and the second pressing block.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: By using the cutting mechanism and the limiting mechanism driven by the cylinder, the whole cutting process can be automatically completed, reducing the need for manual intervention and improving work efficiency; The limiting top block can accurately control the cutting length of the non-oxygen copper rod, ensuring that the length of each cut sample is consistent, thereby guaranteeing the accuracy and repeatability of the resistance test results; The operator only needs to make simple settings to complete the cutting work, reducing the operation difficulty and also reducing the errors caused by improper operation; The guide groove on the guide block is used to guide the non-oxygen copper rod into the correct position, ensuring the precise position of the sample before cutting, helping to keep the cutting surface flat, and further improving the reliability of the test; By replacing manual operation with an automated process, the preparation time for a single sample is greatly shortened, and in the environment of large-scale detection, the sample preparation efficiency can be significantly improved. Brief Description of the Drawings

[0014] Figure 1 is the structural schematic diagram of the present utility model;

[0015] Figure 2 is the enlarged structural schematic diagram of the cutting mechanism;

[0016] Figure 3 is the installation structural schematic diagram of the limiting top block;

[0017] Figure 4 is the installation structural schematic diagram of the driving roller;

[0018] Figure 5 It is a schematic diagram of the installation structure of the second pressing block;

[0019] Markings in the attached drawings: 1. Main body bracket; 2. Cutting bracket; 3. First cylinder; 4. Linkage plate; 5. Cutting knife; 6. Lower knife seat; 7. Guide block; 8. Guide groove; 9. Second cylinder; 10. Limit top block; 11. Support block; 12. Guide piece; 13. First pressing block; 14. Protective plate; 15. Feeding bracket; 16. Driving roller; 17. Feeding guide groove; 18. Motor; 19. Feeding pressure roller; 20. Guide slide bar; 21. Movable bearing seat; 22. Screw; 23. Butterfly screw sleeve; 24. Side stop block; 25. Third cylinder; 26. Second pressing block. Specific implementation mode

[0020] The following combines the attached drawings and embodiments to further describe in detail the specific implementation mode of the present invention. The following embodiments are used to illustrate the present invention, but are not used to limit the scope of the present invention.

[0021] As Figures 1 to 5 shown, the non-oxygen copper rod resistance test tooling of the present invention includes a main body bracket 1 and a limit top block 10. A cutting mechanism is provided on the main body bracket 1. The cutting mechanism includes a linkage plate 4 and a cutting knife 5. The cutting knife 5 is provided on the linkage plate 4 and is used to cut the non-oxygen copper rod. A limit top block 10 is provided on the main body bracket 1 and is used to control the length of the cut non-oxygen copper rod. A cutting bracket 2 is fixedly installed on the main body bracket 1. A first cylinder 3 is fixedly installed on the cutting bracket 2. The linkage plate 4 is installed on the output end of the first cylinder 3. A lower knife seat 6 is provided on the cutting bracket 2, and the lower knife seat 6 cooperates with the cutting knife 5. A guide block 7 is provided on the cutting bracket 2, and a guide groove 8 is provided on the guide block 7. The guide groove 8 is used to guide and limit the non-oxygen copper rod. A second cylinder 9 is provided on the cutting bracket 2. The limit top block 10 is installed on the output end of the second cylinder 9, and the limit top block 10 is arranged at the end of the guide groove 8. The use of a cutting mechanism and a limit mechanism driven by cylinders enables the entire cutting process to be automatically completed, reducing the need for manual intervention and improving work efficiency. The limit top block 10 can accurately control the cutting length of the non-oxygen copper rod, ensuring that the length of each cut sample is consistent, thereby ensuring the accuracy and repeatability of the resistance test results. Operators only need to make simple settings to complete the cutting work, reducing the operation difficulty and also reducing errors caused by improper operation. The guide groove 8 on the guide block 7 is used to guide the non-oxygen copper rod into the correct position, ensuring the precise position of the sample before cutting, helping to keep the cutting surface flat, and further improving the reliability of the test. By replacing manual operations with an automated process, the preparation time for a single sample is greatly shortened. In an environment of large-scale detection, the sample preparation efficiency can be significantly improved.

[0022] Preferably, as an embodiment above, a supporting block 11 is provided on the main body bracket 1, a first pressing block 13 is installed on the linkage plate 4, a pressing groove is provided at the bottom end of the first pressing block 13, and the supporting block 11 and the first pressing block 13 cooperate to tightly press the oxygen-free copper rod; through the close cooperation of the supporting block 11 and the first pressing block 13, the oxygen-free copper rod is stably fixed before cutting, reducing the cutting deviation caused by the movement or shaking of the copper rod; it helps to ensure the accuracy and consistency of each cut, thereby improving the accuracy of the resistance test; the pressing design of the supporting block 11 and the first pressing block 13 ensures the stability of the oxygen-free copper rod during the cutting process, reducing the safety risk caused by the movement of the copper rod; the pressing groove design at the bottom end of the first pressing block 13 can better adapt to the shape of the oxygen-free copper rod, providing a closer contact surface to ensure that the copper rod will not deform or move due to external force during the cutting process, thereby improving the cutting accuracy; the use of the pressing block and the pressing groove can fix the copper rod while reducing damage to its surface, avoiding scratches or other surface defects on the copper rod during the fixing process.

[0023] Preferably, as an embodiment above, two groups of guiding pieces 12 are symmetrically arranged on the supporting block 11, and through holes are provided on each group of guiding pieces 12, and the through holes on the two groups of guiding pieces 12 and the pressing groove on the first pressing block 13 are arranged on the same straight line; the guiding pieces 12 and the through holes thereon and the pressing groove of the first pressing block 13 together constitute an accurate guiding and fixing system; when the oxygen-free copper rod is placed on the supporting block 11, it passes through the through holes of the guiding pieces 12 and is tightly pressed by the pressing groove of the first pressing block 13; ensuring the accurate position of the oxygen-free copper rod before cutting, reducing the cutting error caused by position deviation; the guiding pieces 12 not only provide a guiding path for the oxygen-free copper rod, but also enhance the stability of the entire tooling structure through their symmetrical arrangement; it helps to keep the oxygen-free copper rod stable during the cutting process, preventing it from moving due to vibration or external force, thereby improving the cutting accuracy and safety; due to the precise cooperation of the guiding pieces 12 and the first pressing block 13, the oxygen-free copper rod can be quickly and accurately positioned and fixed; reducing the time for manually adjusting the oxygen-free copper rod before cutting, improving the operation efficiency of the entire resistance test tooling.

[0024] Preferably, as an embodiment above, a protective plate 14 is provided on the main body bracket 1 to limit the movement path of the oxygen-free copper rod; the protective plate 14 can effectively prevent the oxygen-free copper rod from accidentally deviating from the predetermined path during the cutting process, making the positioning of the oxygen-free copper rod in the tooling clearer and simpler; operators can more easily place the oxygen-free copper rod in the correct position and cut it along the predetermined path, thereby simplifying the operation process and improving work efficiency; by precisely controlling the movement path of the oxygen-free copper rod, the protective plate 14 helps to ensure that the position and state of the oxygen-free copper rod are consistent each time it is cut; it helps to reduce the variability of the test results and improve the test accuracy and reliability.

[0025] Preferably, as in the above embodiment, two sets of feeding brackets 15 are provided on the main body bracket 1. A driving roller 16 is rotatably installed between the two sets of feeding brackets 15. A feeding guide groove 17 is provided on the driving roller 16. A feeding pressure roller 19 is rotatably provided above the driving roller 16. A motor 18 is provided on the main body bracket 1. The power output end of the motor 18 is connected to the power input end of the driving roller 16. By driving the driving roller 16 to rotate by the motor 18 and combining the functions of the feeding guide groove 17 and the feeding pressure roller 19, automatic feeding of the oxygen-free copper rod is achieved, greatly improving the production efficiency and the continuity of testing. The design of the feeding guide groove 17 ensures that the oxygen-free copper rod can move smoothly along a predetermined path during feeding, reducing the feeding deviation caused by improper manual operation. At the same time, the pressing action of the feeding pressure roller 19 helps to maintain the stability of the oxygen-free copper rod during feeding, further improving the feeding accuracy.

[0026] Preferably, as in the above embodiment, two sets of guide sliding bars 20 are provided on each set of feeding brackets 15. Movable bearing seats 21 are slidably provided on both sets of feeding brackets 15. The movable bearing seats 21 are slidably clamped on the guide sliding bars 20. A screw rod 22 is rotatably provided on the movable bearing seats 21. A butterfly screw sleeve 23 is provided on the feeding bracket 15. The butterfly screw sleeve 23 is in threaded cooperation with the screw rod 22. Through the threaded cooperation between the butterfly screw sleeve 23 and the screw rod 22, fine adjustment of the position of the movable bearing seat 21 on the guide sliding bar 20 can be achieved. The pressing force of the feeding pressure roller 19 on the oxygen-free copper rod can be precisely adjusted as needed to ensure that the oxygen-free copper rod will neither slide due to being too loose nor be damaged due to being too tight during feeding. By adjusting the position of the movable bearing seat 21, the gap between the feeding pressure roller 19 and the driving roller 16 can be indirectly changed, so as to adapt to oxygen-free copper rods of different diameters, improving the versatility and flexibility of the equipment.

[0027] Preferably, as in the above embodiment, a side stop block 24 is provided on the main body bracket 1. A third air cylinder 25 is provided on the main body bracket 1. The output end of the third air cylinder 25 is provided with a second pressing block 26. A pressing groove is provided on the second pressing block 26. The second pressing block 26 and the side stop block 24 cooperate to press and hold the oxygen-free copper rod. By driving the second pressing block 26 to cooperate with the side stop block 24 to press and hold the oxygen-free copper rod by the third air cylinder 25, it can be ensured that the position of the oxygen-free copper rod is stable and fixed during the resistance test or cutting process, preventing the accidental movement of the oxygen-free copper rod during the test or cutting process, enhancing the safety of the operation, preventing the oxygen-free copper rod from shaking during cutting, and improving the use stability.

[0028] As a preferred embodiment of the above, rubber pads are bonded in the pressing grooves of the first pressing block 13 and the second pressing block 26; as a soft material, the rubber pad can provide a buffering effect when pressing the oxygen-free copper rod, avoiding scratches or indentations caused by direct contact with the surface of the oxygen-free copper rod; this is for maintaining the surface quality of the oxygen-free copper rod; the softness and elasticity of the rubber pad help to better adapt to the surface shape of the oxygen-free copper rod, ensure that a stable contact surface can be formed during the pressing process, and improve the pressing effect.

[0029] The oxygen-free copper rod resistance testing tool of the utility model places the oxygen-free copper rod at the preset position of the tool main body bracket 1 when working, ensures that the oxygen-free copper rod is guided by the guide groove 8 on the guide block 7, and limits its moving path; at the same time, check whether each cylinder, motor 18 and transmission components are installed firmly, and perform preliminary debugging; by adjusting the position of the movable bearing seat 21 on the guide slide 20, the thread cooperation of the screw rod 22 and the butterfly screw sleeve 23 is matched, and the gap between the feeding pressure roller 19 and the driving roller 16 is ensured to be suitable for the thickness of the oxygen-free copper rod to avoid being too tight or too loose; start the motor 18, the motor drives the driving roller 16 to rotate, and the oxygen-free copper rod is smoothly fed forward through the cooperation of the feeding guide groove 17 and the feeding pressure roller 19. Send; when the oxygen-free copper rod reaches a preset length, the second cylinder 9 drives the limit top block 10 to extend, support the oxygen-free copper rod, and stop it from moving further, thereby accurately controlling the length of the oxygen-free copper rod to be cut; the first cylinder 3 drives the linkage plate 4 to press down, so that the first pressing block 13 cooperates with the support block 11, and the oxygen-free copper rod is firmly pressed in a predetermined position through the pressing groove and the through hole on the guide plate 12; at the same time, the third cylinder 25 drives the second pressing block 26 to cooperate with the side stopper 24 to further press the oxygen-free copper rod from the side to ensure stability during the cutting process; after the first pressing block 13 and the support block 11 press the oxygen-free copper rod, the linkage plate 4 continues to press down, driving the cutter 5 to move downward, and cooperates with the lower knife seat 6 to complete the cutting of the oxygen-free copper rod.

[0030] The installation method, connection method or setting method of the oxygen-free copper rod resistance testing tool of the utility model are all common mechanical methods, and can be implemented as long as the beneficial effects can be achieved.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An oxygen-free copper rod resistance testing tooling, characterized in that It includes a main body bracket and a limiting top block. A cutting mechanism is provided on the main body bracket. The cutting mechanism includes a linkage plate and a cutter. The cutter is provided on the linkage plate and is used for cutting an oxygen-free copper rod. A limiting top block is provided on the main body bracket, and the limiting top block is used to control the length of the cut oxygen-free copper rod.

2. The non-oxygen copper rod resistance test tooling according to claim 1, wherein A supporting block is provided on the main body bracket. A first pressing block is installed on the linkage plate. A pressing groove is provided at the bottom end of the first pressing block. The supporting block and the first pressing block cooperate to tightly press the oxygen-free copper rod.

3. The oxygen-free copper rod resistance test tooling according to claim 2, wherein, Two groups of guiding pieces are symmetrically provided on the supporting block, and through holes are provided on each group of guiding pieces. The through holes on the two groups of guiding pieces and the pressing groove on the first pressing block are arranged on the same straight line.

4. The non-oxygen copper rod resistance test tooling according to claim 1, characterized in that, A protective plate is provided on the main body bracket to limit the moving path of the oxygen-free copper rod.

5. The non-oxygen copper rod resistance testing tooling according to claim 1, characterized in that, Two groups of feeding brackets are provided on the main body bracket. A driving roller is rotatably installed between the two groups of feeding brackets. A feeding guide groove is provided on the driving roller. A feeding pressing roller is rotatably provided above the driving roller. A motor is provided on the main body bracket, and the power output end of the motor is connected to the power input end of the driving roller.

6. The non-oxygen copper rod resistance test tooling according to claim 5, wherein, Two groups of guiding slide bars are provided on each group of feeding brackets. Movable bearing seats are slidably provided on both groups of feeding brackets. The movable bearing seats are slidably clamped on the guiding slide bars. A screw rod is rotatably provided on the movable bearing seats. A butterfly screw sleeve is provided on the feeding bracket, and the butterfly screw sleeve is in threaded cooperation with the screw rod.

7. The non-oxygen copper rod resistance testing tooling according to claim 1, characterized in that, A side blocking block is provided on the main body bracket. A third air cylinder is provided on the main body bracket. The output end of the third air cylinder is provided with a second pressing block. A pressing groove is provided on the second pressing block. The second pressing block and the side blocking block cooperate to tightly press the oxygen-free copper rod.

8. The non-oxygen copper rod resistance test tooling according to claim 2, characterized in that, Rubber pads are adhesively provided in the pressing grooves of the first pressing block and the second pressing block.

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