Special tool for torsion test of metal injection molded part of product

Abstract

The invention relates to the technical field of metal part torsion testing, and particularly discloses a product metal injection molding part torsion testing special tool which comprises a testing rack and a conveying rack. Through cooperative work of the front side conveying frame and the rear side conveying frame, an efficient automatic cycle is formed in the whole feeding, testing and material taking process, on a large-scale production line, torsion testing can be continuously conducted on metal injection molding parts of products through the automatic operation, the overall production testing efficiency is remarkably improved, and the production cost is reduced. In conclusion, through reasonable application of the automatic feeding and taking system and the sealing plate, the torsion testing efficiency of the metal injection molded part of the product is improved, meanwhile, the stability of the testing environment and the safety of the testing process are guaranteed, and the testing efficiency of the metal injection molded part of the product is improved. The torsion testing device has high practical value and innovativeness, and can well meet the requirement for torsion testing of the metal injection molded part on a modern production line.

Description

Technical Field

[0001] The invention relates to the technical field of metal part torque testing, and in particular to a special tooling for metal injection molding part torque testing. Background Art

[0002] With the rapid development of modern manufacturing, metal injection molding has been widely used in many fields. From the automotive industry to electronic equipment, from aerospace to daily consumer goods, metal injection molding has gradually replaced traditional metal processing technology with its unique performance advantages, such as good mechanical strength, complex shape forming ability and relatively low cost. However, the quality and performance of metal injection molding directly affect the reliability and safety of the final product. Torque testing, as a key link in evaluating the mechanical properties of metal injection molding parts, is becoming increasingly important. In a large-scale production environment, traditional torque testing methods and tooling are difficult to meet the needs of efficient, accurate and diverse testing. Innovative test-specific tooling design is urgently needed to improve testing efficiency and quality control level.

[0003] Traditional metal injection molded parts torque testing tooling usually has a simple structure and single function. In terms of clamping, the fixture often lacks versatility. For injection molded parts of different shapes and sizes, the fixture needs to be replaced frequently, which is not only time-consuming and labor-intensive, but also easily leads to inaccurate test results due to fixture replacement errors. In terms of torque loading direction control, it is difficult to achieve accurate multi-directional torque loading, especially for some injection molded parts that require bilateral torque testing or axial torque testing. Traditional tooling cannot effectively simulate actual working conditions, resulting in test data that cannot fully reflect the true performance of the product. In addition, the degree of automation of traditional tooling is low, and most of them rely on manual operation for feeding, picking and testing process control, which not only increases labor costs, but also easily introduces errors due to human factors, reduces test efficiency and data reliability, and cannot meet the requirements for rapid quality detection of metal injection molded parts on modern high-speed production lines. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a special tooling for torsion testing of metal injection molded parts, in order to solve the above-mentioned technical defects.

[0005] To achieve the above purpose, the present invention is implemented by the following technical scheme: a special tooling for torsion test of metal injection molded parts, comprising a test rack and a conveyor rack, the front and rear sides of the top of the test rack are fixedly provided with conveyor racks, the front of the test rack is also fixedly provided with a temperature and humidity regulator, and the output end of the temperature and humidity regulator is connected to the inside of the test rack;

[0006] The left and right sides of the test frame are provided with a test assembly, and the test assembly includes an adjustment frame, the left and right sides of the test frame are slidably provided with an adjustment frame, and the lower parts of the front and rear sides of the two adjustment frames are threadedly provided with an adjustment screw, the right side of the test frame is fixedly provided with a drive frame, and the right ends of the two adjustment screws extend into the inside of the drive frame, the right side of the drive frame is also fixedly provided with an adjustment motor, and the upper part of the drive frame is also rotatably provided with a drive shaft, one end of the output shaft of the adjustment motor is fixedly connected to the right end of the drive shaft through a coupling, and the surface of the drive shaft and the right end surfaces of the two adjustment screws are fixedly provided with pulleys, and the surfaces of the three pulleys are connected by belt transmission;

[0007] A control frame is slidably arranged on the top of the two lifting frames, and a rotating groove is arranged inside the two control frames and the two lifting frames, a test motor is fixedly arranged on one side of the control frame, and a driving gear is rotatably arranged inside the control frame, one side of the driving gear extends to the inside of the rotating groove, and one end of the output shaft of the test motor is fixedly connected to the inside of the driving gear;

[0008] A rotating frame is rotatably arranged inside the rotating groove, and an outer peripheral surface of the rotating frame is provided with meshing tooth grooves, and the outer peripheral surface of the rotating frame meshes with the surface of the driving gear for transmission.

[0009] Furthermore, the front and rear sides of the top of the test rack are both provided with feeding ports, the bottoms of the two feeding ports are both extended to the inside of the test rack, and the left and right sides of the inside of the two feeding ports are both provided with closing plates by sliding.

[0010] Furthermore, a plurality of servo electric cylinders 1 are slidably arranged inside the two conveying racks, and mechanical clamps are fixedly arranged at the driving ends of the plurality of servo electric cylinders 1.

[0011] Furthermore, a linear slide rail 2 is fixedly arranged on the front and rear sides of the inner walls of the two adjustment frames, and a lifting frame is slidably arranged inside the two adjustment frames, and the front and rear sides of the two lifting frames are fixedly connected to one side of the two linear slide rails 2 on the left and right sides respectively.

[0012] Furthermore, a plurality of clamping electric cylinders are fixedly provided on the inner wall of the rotating frame, and a clamping block is fixedly provided on the driving ends of the plurality of clamping electric cylinders, the plurality of clamping electric cylinders are distributed at equal angles about the central axis of the rotating frame, and a rubber pad is fixedly provided on one side of the plurality of clamping blocks, and the outer peripheral surface of the rotating frame and the outer tooth surface of the driving gear are meshed for transmission.

[0013] Furthermore, servo electric cylinders three are fixedly arranged on both sides inside the lifting frame, and lifting blocks are fixedly arranged on the top ends of the driving shafts of the two servo electric cylinders three, and sliding frames are slidably arranged on the tops of the two lifting blocks, and the tops of the two sliding frames are fixedly connected to the two sides of the bottom of the control frame respectively.

[0014] Furthermore, an auxiliary component is also provided on the top of the test frame, and the auxiliary component includes a support frame. A disassembly top plate is also fixed on the top of the test frame by bolts, and a servo electric cylinder 2 is fixedly provided at the middle position of the top of the disassembly top plate, the driving end of the servo electric cylinder 2 extends to the bottom of the disassembly top plate, and an auxiliary frame is fixedly provided at the bottom end of the driving shaft of the servo electric cylinder 2.

[0015] Furthermore, a movable frame is slidably provided at the bottom of the auxiliary frame through an electric slider, and a linear slide rail 1 is fixedly provided on the front and rear sides of the movable frame, two connecting blocks are slidably provided on one side of the two linear slide rails, and a rotating frame is rotatably provided on one side of the two connecting blocks on the left and right sides, wherein a micro motor for driving the rotating frame to rotate is provided inside the connecting block, a micro electric cylinder is fixedly provided inside the two rotating frames on the left and right sides, and an electric rotating shaft is fixedly provided at the bottom ends of the driving shafts of the four micro electric cylinders, and the support frame is driven to rotate along the driving end of the micro electric cylinder by the electric rotating shaft, a support frame is rotatably provided on one side of the four electric rotating shafts, and an arc groove is provided on the top of the two support frames on the right side, and electric heating wires are provided on the tops of the four support frames.

[0016] The beneficial effects achieved by the present invention using the above structure are as follows:

[0017] 1. In the present invention, a plurality of servo electric cylinders and mechanical grippers are combined in the front conveyor frame at the top of the test frame to accurately locate and clamp the metal injection molded parts of the products to be tested; in addition, the servo electric cylinders and mechanical grippers in the rear conveyor frame are responsible for taking the products out of the test frame after the torque test is completed. Similarly, they can accurately locate the position of the tested products according to program instructions, and then reliably grab and move the products out of the test area through the rear feed port. This process does not require manual entry into the test frame to take out the products, which not only improves the material retrieval efficiency, but also ensures the safety of the operators; the coordinated work of the front and rear conveyor frames makes the entire feeding process , testing, and material taking processes form an efficient automated cycle. On large-scale production lines, this automated operation can continuously perform torque tests on product metal injection molded parts, significantly improving the overall production test efficiency, reducing the product's residence time in the testing link, and helping to improve the production line's capacity. In summary, the present invention, through the rational use of automated feeding and taking systems and closing plates, improves the efficiency of torque testing of product metal injection molded parts while ensuring the stability of the testing environment and the safety of the testing process. It has high practical value and innovation, and can well meet the needs of modern production lines for torque testing of metal injection molded parts.

[0018] 2. By setting multiple clamping electric cylinders with equal angles on the rotating frame inside the adjustment frame, the clamping block at its driving end can clamp the metal injection molded parts of the product from multiple angles under the action of the clamping electric cylinder. The multi-directional clamping force can be evenly distributed on the surface of the product, effectively preventing the product from shifting or shaking during the torque test. The rubber pad on one side of the clamping block can not only increase the friction between the product and further ensure the stability of the clamping, but also prevent the clamping block from scratching or damaging the product surface, thereby ensuring the appearance quality of the product.

[0019] 3. The present invention also has a bilateral independent testing function. The left and right rotating frames can rotate independently. When performing a torque test on a metal injection molded part of a product, the left rotating frame can be controlled to rotate first, while the right side is fixed, and a torque test is performed on the left side of the product; then the right rotating frame can be controlled to rotate, while the left side is fixed, and a torque test is performed on the right side of the product. This can comprehensively detect the torque bearing capacity of the product in different directions. For some metal injection molded parts that may be subjected to bilateral torque in actual use, the use of a bilateral testing method can more accurately evaluate their mechanical properties, ensuring that the product can work normally under various working conditions. In addition, a pressure sensor is arranged on the output shaft of the driving gear, which can collect data of the metal injection molding parts of the product during the torque test in real time. Through precise monitoring and analysis of these data, it is possible to accurately judge whether the product meets the designed torque standard and the change of torque during the test, thereby realizing the torque test precision control of the metal injection molding parts of the product. If the pressure sensor detects that the torque value fluctuates abnormally during the test or reaches the limit value too early, it can timely discover possible quality problems of the product, such as material defects, unreasonable structural design, etc., to provide strong data support for product quality improvement.

[0020] 4. In the present invention, auxiliary components are set up and multiple functional components are integrated in the auxiliary components, including servo electric cylinder 2, micro electric cylinder, electric rotating shaft, linear slide rail 1 and other components. These components work together to realize the various needs of axial torque testing of product metal injection molding parts in a set of devices. Compared with using multiple scattered devices or tools to perform different adjustment operations, this integrated design greatly simplifies the test process, reduces test preparation time and equipment switching costs, and improves overall test efficiency. Operators can quickly and accurately complete the axial torque test of product metal injection molding parts by controlling the movement and parameters of each component in a relatively compact operating space, which is conducive to efficient quality inspection on large-scale production lines. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 This is a schematic diagram of a special tooling structure for torsion testing of metal injection molded parts of a product according to an embodiment of the present invention;

[0023] Figure 2 A schematic diagram of a test frame and a material port structure according to an embodiment of the present invention;

[0024] Figure 3 It is a schematic diagram of a conveying frame, a servo electric cylinder 1 and a mechanical gripper structure according to an embodiment of the present invention;

[0025] Figure 4 A schematic diagram of the internal structure of a test frame and a drive frame according to an embodiment of the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of the adjusting frame, the lifting frame and the control frame according to an embodiment of the present invention;

[0027] Figure 6 A schematic diagram of the internal structure of a test rack according to an embodiment of the present invention;

[0028] Figure 7 A schematic diagram of the internal structure of a control frame according to an embodiment of the present invention;

[0029] Figure 8 Schematic diagram of the auxiliary component structure of an embodiment of the present invention.

[0030] In the figure, 1. test frame; 2. conveying frame; 3. mechanical gripper; 4. servo electric cylinder 1; 5. feeding port; 6. closing plate; 7. disassembling top plate; 8. servo electric cylinder 2; 9. auxiliary frame; 10. mobile frame; 11. linear slide 1; 12. connecting block; 13. rotating frame; 14. micro electric cylinder; 15. electric rotating shaft; 16. supporting frame; 17. adjusting frame; 18. lifting frame; 19. adjusting screw; 20. driving shaft; 21. pulley; 22. adjusting motor; 23. control frame; 24. test motor; 25. driving gear; 26. rotating groove; 27. rotating frame; 28. clamping electric cylinder; 29. ​​clamping block; 30. servo electric cylinder 3; 31. lifting block; 32. sliding frame; 33. linear slide 2; 34. temperature and humidity regulator; 35. driving frame. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] Embodiment 1:

[0034] See also Figures 1 to 3As shown, a special tooling for torsion test of metal injection molded parts of a product comprises: a test frame 1 and a conveyor frame 2, the conveyor frame 2 is fixedly arranged on the front and rear sides of the top of the test frame 1, a temperature and humidity regulator 34 is also fixedly arranged on the front of the test frame 1, and the output end of the temperature and humidity regulator 34 is connected with the interior of the test frame 1, and the front and rear sides of the top of the test frame 1 are provided with feeding ports 5, the bottoms of the two feeding ports 5 are extended to the interior of the test frame 1, and the left and right sides of the interior of the two feeding ports 5 are provided with closing plates 6 by sliding; wherein the closing plates 6 can be opened or closed as needed, and when the torque test is performed, the closing plates 6 are closed, which can effectively The interior of the rack 1 is isolated from the external environment, which helps to maintain the stability of the test environment, such as preventing external dust and debris from entering the test area to affect the test accuracy. It can also reduce the interference of external environmental factors such as airflow, temperature, and humidity on the test process, ensuring the accuracy and reliability of the test results. At the same time, the closing of the closing plate 6 during the test process also plays a role in safety protection. During the torque test, the metal injection molded parts of the product may break or splash due to the large torque. The closed internal space of the test rack 1 can limit these potential dangers to a certain range to avoid damage to the surrounding operators and equipment.

[0035] Furthermore, a plurality of servo electric cylinders 4 are slidably arranged inside the two conveying racks 2, and a mechanical clamp 3 is fixedly arranged on the driving ends of the plurality of servo electric cylinders 4. The metal injection molded parts of the products are clamped and fed by the plurality of servo electric cylinders 4 inside the conveying rack 2 on the top front side of the test rack 1 in combination with the mechanical clamp 3. The driving end of the servo electric cylinder 4 located above the front feeding port 5 controls the mechanical clamp 3 to enter the interior of the test rack 1, and the metal injection molded parts of the products to be tested are fed into the interior of the test rack 1 by the mechanical clamp 3, thereby realizing the automatic feeding of the metal injection molded parts of the products. A plurality of mechanical grippers 3 inside the conveying rack 2 on the rear side of the top of the test rack 1 are used to clamp and take out the metal injection molded parts of the product after the torque test. The driving end of the servo electric cylinder 4 located above the rear feeding port 5 controls the mechanical grippers 3 to enter the interior of the test rack 1. The metal injection molded parts of the product after the torque test are taken out from the interior of the test rack 1 by the mechanical grippers 3. Through the coordinated work of the front and rear conveying racks 2, the torque test of the metal injection molded parts of the product is automated in feeding and taking operations, which greatly improves the torque test efficiency of the metal injection molded parts of the product.

[0036] In a specific embodiment, the present invention can accurately locate and clamp the metal injection molded parts of the products to be tested by combining several servo electric cylinders 1-4 and mechanical grippers 3 in the front conveyor frame 2 on the top of the test frame 1; in addition, the servo electric cylinders 1-4 and mechanical grippers 3 in the rear conveyor frame 2 are responsible for taking the products out of the test frame 1 after the torque test is completed. Similarly, they can accurately locate the position of the tested products according to program instructions, and then reliably grab and move the products out of the test area through the rear feed port 5. This process does not require manual entry into the test frame 1 to take out the products, which not only improves the material retrieval efficiency, but also ensures the safety of the operators; the front and rear conveyor frames 2 Working together, the entire feeding, testing, and picking process forms an efficient automated cycle. On a large-scale production line, this automated operation can continuously perform torque tests on product metal injection molded parts, significantly improving the overall production test efficiency, reducing the product's residence time in the testing link, and helping to increase the production line's capacity. In summary, the present invention improves the efficiency of torque testing of product metal injection molded parts while ensuring the stability of the testing environment and the safety of the testing process through the rational use of an automated feeding and picking system and a closing plate. It has high practical value and innovation, and can well meet the needs of modern production lines for torque testing of metal injection molded parts.

[0037] Embodiment 2:

[0038] See also Figures 4 to 7 As shown, specifically, the left and right sides of the inside of the test frame 1 are provided with test components, and the test components include an adjustment frame 17, the left and right sides of the inside of the test frame 1 are slidably provided with adjustment frames 17, and the lower parts of the front and rear sides of the two adjustment frames 17 are threadedly provided with adjustment screws 19, a driving frame 35 is fixedly provided on the right side of the test frame 1, and the right ends of the two adjustment screws 19 extend into the inside of the driving frame 35, an adjustment motor 22 is also fixedly provided on the right side of the driving frame 35, and a driving shaft 20 is also rotatably provided on the upper part of the driving frame 35, one end of the output shaft of the adjustment motor 22 is fixedly connected to the right end of the driving shaft 20 through a coupling, and the surface of the driving shaft 20 and the right end surfaces of the two adjusting screws 19 are fixedly provided with pulleys 21, and the surfaces of the three pulleys 21 are connected through belt transmission;

[0039] Furthermore, the front and rear sides of the inner walls of the two adjustment frames 17 are fixedly provided with linear slide rails 33, and the interiors of the two adjustment frames 17 are slidably provided with lifting frames 18, and the front and rear sides of the two lifting frames 18 are fixedly connected to one side of the two linear slide rails 33 on the left and right sides respectively;

[0040] Further, a control frame 23 is slidably provided on the top of the two lifting frames 18, and a rotation slot 26 is provided inside the two control frames 23 and the two lifting frames 18, a test motor 24 is fixedly provided on one side of the control frame 23, and a driving gear 25 is rotatably provided inside the control frame 23, one side of the driving gear 25 extends to the inside of the rotation slot 26, and one end of the output shaft of the test motor 24 is fixedly connected to the inside of the driving gear 25;

[0041] Furthermore, a rotating frame 27 is provided for internal rotation of the rotating groove 26, and an outer peripheral surface of the rotating frame 27 is provided with meshing tooth grooves, and the outer peripheral surface of the rotating frame 27 meshes with the surface of the driving gear 25 for transmission, and a plurality of clamping electric cylinders 28 are fixedly provided on the inner wall of the rotating frame 27, and a plurality of clamping electric cylinders 28 are fixedly provided with clamping blocks 29 at the driving ends, and the plurality of clamping electric cylinders 28 are distributed at equal angles about the central axis of the rotating frame 27, and a rubber pad is fixedly provided on one side of the plurality of clamping blocks 29, and the outer peripheral surface of the rotating frame 27 meshes with the outer tooth surface of the driving gear 25 for transmission.

[0042] It should be noted that when conducting a torque test on a metal injection molded part of a product, the output shaft of the adjusting motor 22 is used to control the drive shaft 20 to rotate, and the three pulleys 21 are used in conjunction with the belt to control the two adjusting screws 19 to rotate synchronously. When the drive shaft 20 is controlled to rotate clockwise, the adjusting screws 19 are used to drive the two adjusting racks 17 to slide relatively inside the test rack 1. After the metal injection molded part of the product is sent into the test rack 1, the two adjusting racks 17 are adjusted in displacement according to the length specification of the metal injection molded part of the product, and the driving ends of the clamping electric cylinders 28 in the rotating racks 27 inside the two adjusting racks 17 are used to control the clamping blocks 29 to adjust the product. The left and right sides of the product metal injection molded parts are clamped and positioned to ensure the stability of the product metal injection molded parts during the torque test. In addition, when performing the torque test on the product metal injection molded parts, the left rotating frame 27 is controlled to rotate while the right rotating frame 27 is fixed to achieve the left torque test on the product metal injection molded parts. Then, the right rotating frame 27 is controlled to rotate while the left rotating frame 27 is fixed to achieve the right torque test on the product metal injection molded parts. According to the pressure sensor set on the output shaft of the driving gear 25, the torque test data of the product metal injection molded parts is collected, thereby achieving the torque test accuracy control of the product metal injection molded parts.

[0043] Furthermore, servo electric cylinders 30 are fixedly arranged on both sides of the lifting frame 18, and lifting blocks 31 are fixedly arranged on the top of the driving shafts of the two servo electric cylinders 30, and sliding frames 32 are slidably arranged on the tops of the two lifting blocks 31, and the tops of the two sliding frames 32 are fixedly connected to the two sides of the bottom of the control frame 23 respectively;

[0044] It should be noted that when performing torque tests on metal injection molded parts of products of different specifications and types, the lifting block 31 is controlled to be lifted upward by the driving end of the servo electric cylinder 30, and then the sliding frame 32 is controlled to slide to one side on the top of the lifting block 31, and the rotating frame 27 inside the rotating groove 26 is replaced, and the rotating frame 27 suitable for the metal injection molded parts of the product and the clamping electric cylinder 28 and the clamping block 29 inside it are replaced, and then the control frame 23 is controlled to reset, so as to improve the adaptability of the torque testing tooling for the metal injection molded parts of the product.

[0045] In a specific embodiment, the two adjustment frames 17 can slide relative to each other inside the test frame 1. By adjusting the motor 22 to drive the drive shaft 20 and the transmission of the related pulley 21 and the adjustment screw 19, the distance between the two adjustment frames 17 can be accurately adjusted according to the length specifications of the metal injection molded parts of the product. For longer injection molded parts, the two adjustment frames 17 can slide outward to open a suitable distance; for shorter injection molded parts, they can slide inward to narrow the distance, thereby adapting to the clamping requirements of products of different lengths and ensuring stable positioning of the products in the left and right directions. In addition, A plurality of clamping electric cylinders 28 with equal angles are arranged on the rotating frame 27 inside the adjusting frame 17. The clamping block 29 at the driving end thereof can clamp the metal injection molded parts of the product from multiple angles under the action of the clamping electric cylinder 28. The clamping force in multiple directions can be evenly distributed on the surface of the product, effectively preventing the product from deflecting or shaking during the torque test. Moreover, the rubber pad on one side of the clamping block 29 can not only increase the friction between the product and further ensure the stability of the clamping, but also prevent the clamping block 29 from scratching or damaging the surface of the product, thereby ensuring the appearance quality of the product.

[0046] In addition, the present invention also has a bilateral independent testing function. The left and right rotating frames 27 can rotate independently. When performing a torque test on a metal injection molded part of a product, the left rotating frame 27 can be controlled to rotate first, while the right side is fixed, and a torque test is performed on the left side of the product. Then, the right rotating frame 27 can be controlled to rotate, while the left side is fixed, and a torque test is performed on the right side of the product. This can comprehensively detect the torque bearing capacity of the product in different directions. For some metal injection molded parts that may be subjected to bilateral torque in actual use, the use of a bilateral testing method can more accurately evaluate their mechanical properties, ensuring that the product can function normally under various working conditions. work; in addition, a pressure sensor is arranged on the output shaft of the driving gear 25, which can collect data of the metal injection molding parts of the product in the torque test process in real time. Through accurate monitoring and analysis of these data, it can be accurately judged whether the product meets the designed torque standard, as well as the change of torque during the test, so as to achieve the torque test accuracy control of the metal injection molding parts of the product. If the pressure sensor detects that the torque value fluctuates abnormally during the test or reaches the limit value too early, it can timely discover the possible quality problems of the product, such as material defects, unreasonable structural design, etc., to provide strong data support for product quality improvement;

[0047] In addition, the servo electric cylinder 30 inside the lifting frame 18 can drive the lifting block 31 to lift upward, and then the sliding frame 32 slides to one side on the top of the lifting block 31, so as to facilitate the replacement of the rotating frame 27 inside the rotating groove 26. When it is necessary to test metal injection molded parts of products of different specifications and types, the rotating frame 27 adapted to the product and the clamping electric cylinder 28 and the clamping block 29 inside it can be quickly replaced. For products with special shapes or large size differences, only the corresponding rotating frame 27 components need to be replaced without large-scale transformation or adjustment of the entire tooling, which greatly improves the adaptability of the tooling to different products and reduces production costs. At the same time, it also improves testing efficiency and reduces production delays caused by untimely or mismatched tooling replacement.

[0048] Embodiment 3:

[0049] See also Figure 8As shown, further, an auxiliary component is also provided on the top of the test frame 1, and the auxiliary component includes a support frame 16. A disassembly top plate 7 is also fixedly provided on the top of the test frame 1 by bolts, and a servo electric cylinder 2 8 is fixedly provided in the middle position of the top of the disassembly top plate 7, and the driving end of the servo electric cylinder 2 8 extends to the bottom of the disassembly top plate 7, and an auxiliary frame 9 is fixedly provided at the bottom of the driving shaft of the servo electric cylinder 2 8, and a moving frame 10 is slidably provided at the bottom of the auxiliary frame 9 through an electric slider, and a linear slide rail 11 is fixedly provided on the front and rear sides of the moving frame 10, and two connecting blocks 12 are slidably provided on one side of the two linear slide rails 11, and the left and right sides A rotating frame 13 is rotatably provided on one side of the two connecting blocks 12, wherein a micro motor for driving the rotating frame 13 to rotate is provided inside the connecting block 12, and a micro electric cylinder 14 is fixedly provided inside the two rotating frames 13 on the left and right sides, and an electric rotating shaft 15 is fixedly provided at the bottom end of the driving shaft of the four micro electric cylinders 14, and the supporting frame 16 is driven by the electric rotating shaft 15 to rotate along the driving end of the micro electric cylinder 14, and a supporting frame 16 is rotatably provided on one side of the four electric rotating shafts 15, and the tops of the two supporting frames 16 on the right side are provided with arc grooves, and the tops of the four supporting frames 16 are provided with electric heating wires;

[0050] It should be noted that when conducting an axial torque test on a metal injection molded part of a product, the auxiliary frame 9 is controlled to move downward by the driving end of the servo electric cylinder 28, and the driving end of the micro electric cylinder 14 is used to control the test frame 1 to move downward. A matching support frame 16 is selected according to the bottom surface shape of the metal injection molded part of the product, and then the support frame 16 is controlled to rotate by the electric rotating shaft 15 so that the support frame 16 is located on the bottom surface of the metal injection molded part of the product. Finally, the two sides of the metal injection molded part of the product are controlled to move downward by the linear slide rails 2 33 on the left and right sides respectively, and an axial torque test is performed on the metal injection molded part of the product at the top of the support frame 16. By controlling the sliding of the movable frame 10 at the bottom of the auxiliary frame 9, an axial torque test is performed on different positions of the metal injection molded part of the product. By controlling the support frame 16 to be above the metal injection molded part of the product, the lifting frames 18 on both sides are controlled to move upward, so that an axial torque test in the opposite direction is performed on different positions of the metal injection molded part of the product.

[0051] In a specific embodiment, the present invention sets up auxiliary components and integrates multiple functional components in the auxiliary components, including servo electric cylinder 28, micro electric cylinder 14, electric rotating shaft 15, linear slide rail 11 and other components. These components work together to realize the various needs of axial torque testing of product metal injection molding parts in a set of devices. Compared with using multiple scattered devices or tools to perform different adjustment operations, this integrated design greatly simplifies the testing process, reduces test preparation time and equipment switching costs, and improves overall testing efficiency. Operators can quickly and accurately complete the axial torque test of product metal injection molding parts by controlling the movement and parameters of each component in a relatively compact operating space, which is conducive to efficient quality inspection on large-scale production lines.

[0052] Embodiment 4:

[0053] See also Figures 1 to 8 As shown, specifically, this embodiment also proposes a working method of a special tooling for torsion testing of metal injection molded parts, including the following steps:

[0054] Step 1: clamp and feed the metal injection molded parts of the products through several servo electric cylinders 1-4 in the conveying frame 2 on the top front side of the test frame 1 in combination with the mechanical grippers 3. The driving end of the servo electric cylinder 1-4 located above the front feeding port 5 controls the mechanical grippers 3 to enter the interior of the test frame 1. The metal injection molded parts of the products to be tested are fed into the interior of the test frame 1 by the mechanical grippers 3, so as to realize the automatic feeding of the metal injection molded parts of the products.

[0055] Step 2: Control the drive shaft 20 to rotate by adjusting the output shaft of the motor 22, and use three pulleys 21 to cooperate with the belt to control the two adjusting screws 19 to rotate synchronously. When the drive shaft 20 is controlled to rotate clockwise, the adjusting screw 19 is used to drive the two adjusting frames 17 to slide relatively inside the test frame 1. After the product metal injection molded parts are sent into the test frame 1, the two adjusting frames 17 are adjusted in displacement according to the length specifications of the product metal injection molded parts, and the driving ends of several clamping electric cylinders 28 in the rotating frame 27 inside the two adjusting frames 17 are coordinated to control the clamping blocks 29 to clamp and position the left and right sides of the product metal injection molded parts;

[0056] Step 3: When performing a torque test on a metal injection molded part of a product, the left rotating frame 27 is controlled to rotate, while the right rotating frame 27 is fixed, to achieve a torque test on the left side of the metal injection molded part of the product, and then the right rotating frame 27 is controlled to rotate, while the left rotating frame 27 is fixed, to achieve a torque test on the right side of the metal injection molded part of the product;

[0057] Step 4: When performing torque tests on metal injection molded parts of products of different specifications and types, the lifting block 31 is lifted upwards by controlling the driving end of the servo electric cylinder 30, and then the sliding frame 32 is controlled to slide to one side on the top of the lifting block 31, and the rotating frame 27 inside the rotating groove 26 is replaced, and the rotating frame 27 adapted to the metal injection molded parts of the product and the clamping electric cylinder 28 and the clamping block 29 inside are replaced, and then the control frame 23 is controlled to reset;

[0058] Step 5. When conducting an axial torque test on the metal injection molded parts of the product, the auxiliary frame 9 is controlled to move downward by the driving end of the servo electric cylinder 28, and the driving end of the micro electric cylinder 14 is used to control the test frame 1 to move downward. According to the bottom shape of the metal injection molded parts of the product, a suitable support frame 16 is selected, and then the support frame 16 is controlled to rotate by the electric rotating shaft 15 so that the support frame 16 is located on the bottom surface of the metal injection molded parts of the product. Finally, the two sides of the metal injection molded parts of the product are controlled to move downward by the linear slide rails 2 33 on the left and right sides respectively, and an axial torque test is performed on the metal injection molded parts of the product at the top of the support frame 16. By controlling the mobile frame 10 at the bottom of the auxiliary frame 9 to slide, an axial torque test is performed on different positions of the metal injection molded parts of the product. By controlling the support frame 16 to be above the metal injection molded parts of the product, the lifting frames 18 on both sides are controlled to move upward, so as to perform an axial torque test on different positions of the metal injection molded parts of the product in the opposite direction.

[0059] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0060] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0061] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0062] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A special tool for testing the torque of metal injection molded parts, characterized in that: It comprises a test rack (1) and a conveyor rack (2), wherein the conveyor rack (2) is fixedly arranged on the front and rear sides of the top of the test rack (1), and a temperature and humidity regulator (34) is fixedly arranged on the front of the test rack (1), and the output end of the temperature and humidity regulator (34) is connected to the inside of the test rack (1); The left and right sides of the test frame (1) are both provided with a test assembly, the test assembly comprising an adjustment frame (17), the left and right sides of the test frame (1) are both slidably provided with an adjustment frame (17), and adjustment screws (19) are both threadedly provided at the lower part of the front and rear sides of the two adjustment frames (17), a drive frame (35) is fixedly provided on the right side of the test frame (1), and the right ends of the two adjustment screws (19) extend into the inside of the drive frame (35), an adjustment motor (22) is also fixedly provided on the right side of the drive frame (35), and a drive shaft (20) is also rotatably provided at the upper part of the drive frame (35), one end of the output shaft of the adjustment motor (22) is fixedly connected to the right end of the drive shaft (20) through a coupling, and pulleys (21) are fixedly provided on the surface of the drive shaft (20) and the right end surfaces of the two adjustment screws (19), and the surfaces of the three pulleys (21) are connected through a belt drive; The front and rear sides of the inner walls of the two adjustment frames (17) are fixedly provided with a second linear slide rail (33), and the interiors of the two adjustment frames (17) are slidably provided with a lifting frame (18), and the front and rear sides of the two lifting frames (18) are respectively fixedly connected to one side of the two second linear slide rails (33) on the left and right sides; A control frame (23) is slidably arranged on the top of the two lifting frames (18), and a rotation groove (26) is arranged inside the two control frames (23) and the two lifting frames (18). A test motor (24) is fixedly arranged on one side of the control frame (23), and a driving gear (25) is rotatably arranged inside the control frame (23), one side of the driving gear (25) extends to the inside of the rotation groove (26), and one end of the output shaft of the test motor (24) is fixedly connected to the inside of the driving gear (25).

2. The special tooling for torsion testing of metal injection molded parts according to claim 1, characterized in that: The front and rear sides of the top of the test frame (1) are both provided with feeding ports (5), the bottoms of the two feeding ports (5) extend into the interior of the test frame (1), and closing plates (6) are both slidably provided on the left and right sides of the interior of the two feeding ports (5).

3. The special tooling for torsion testing of metal injection molded parts according to claim 1, characterized in that: A plurality of servo electric cylinders (4) are slidably arranged inside the two conveying racks (2), and mechanical clamps (3) are fixedly arranged at the driving ends of the plurality of servo electric cylinders (4).

4. The special tooling for torsion testing of metal injection molded parts according to claim 1, characterized in that: A rotating frame (27) is rotatably arranged inside the rotating groove (26), and an outer peripheral surface of the rotating frame (27) is provided with meshing tooth grooves, and the outer peripheral surface of the rotating frame (27) meshes with the surface of the driving gear (25) for transmission.

5. The special tooling for torsion testing of metal injection molded parts according to claim 4, characterized in that: A plurality of clamping electric cylinders (28) are fixedly provided on the inner wall of the rotating frame (27), and a clamping block (29) is fixedly provided on the driving end of each of the clamping electric cylinders (28). The clamping electric cylinders (28) are arranged at equal angles with respect to the central axis of the rotating frame (27), and a rubber pad is fixedly provided on one side of each of the clamping blocks (29). The outer peripheral surface of the rotating frame (27) meshes with the outer tooth surface of the driving gear (25) for transmission.

6. The special tooling for torsion testing of metal injection molded parts according to claim 1, characterized in that: Servo electric cylinders three (30) are fixedly arranged on both sides of the lifting frame (18), and lifting blocks (31) are fixedly arranged on the top ends of the driving shafts of the two servo electric cylinders three (30), and sliding frames (32) are slidably arranged on the tops of the two lifting blocks (31), and the tops of the two sliding frames (32) are fixedly connected to the two sides of the bottom of the control frame (23) respectively.

7. The special tooling for torsion testing of metal injection molded parts according to claim 1, characterized in that: The top of the test frame (1) is also provided with an auxiliary component, the auxiliary component comprising a support frame (16); the top of the test frame (1) is also provided with a disassembly top plate (7) fixedly provided by bolts, and a servo electric cylinder 2 (8) is fixedly provided at the middle position of the top of the disassembly top plate (7); the driving end of the servo electric cylinder 2 (8) extends to the bottom of the disassembly top plate (7), and an auxiliary frame (9) is fixedly provided at the bottom end of the driving shaft of the servo electric cylinder 2 (8).

8. The special tooling for torsion testing of metal injection molded parts according to claim 7, characterized in that: A movable frame (10) is slidably arranged at the bottom of the auxiliary frame (9) via an electric slider, and a linear slide rail (11) is fixedly arranged at the front and rear sides of the movable frame (10), two connecting blocks (12) are slidably arranged on one side of the two linear slide rails (11), and a rotating frame (13) is rotatably arranged on one side of the two connecting blocks (12) on the left and right sides, wherein a micro motor for driving the rotating frame (13) to rotate is arranged inside the connecting block (12), a micro electric cylinder (14) is fixedly arranged inside the two rotating frames (13) on the left and right sides, and an electric rotating shaft (15) is fixedly arranged at the bottom end of the driving shaft of the four micro electric cylinders (14), and a supporting frame (16) is driven by the electric rotating shaft (15) to rotate along the driving end of the micro electric cylinder (14), and a supporting frame (16) is rotatably arranged on one side of the four electric rotating shafts (15), and the tops of the two supporting frames (16) on the right side are each provided with an arc groove, and the tops of the four supporting frames (16) are each provided with an electric heating wire.

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