Universal fixing jig for alloy resistor printing

Abstract

The utility model discloses a universal fixing jig for alloy resistor printing, which comprises a base, positioning screw holes are arranged at four corners of the base, one end of the base is fixedly connected with a limiting mechanism, and the limiting mechanism comprises a connecting frame, a rotating handle, a bidirectional screw rod, a moving block and a side clamping plate. The positioning mechanism is arranged in the center of the base and comprises a connecting base, a positioning carrying table, a push rod and a reset spring, the side clamping plates are arranged on the two sides of the positioning carrying table, the connecting frame is fixed to the base through bolts, and the two-way lead screw is arranged in the connecting frame. When alloy resistors with different lengths are fixed, a bidirectional lead screw is driven to rotate through a rotating handle, so that a moving block drives side clamping plates to move, the distance between the side clamping plates is adjusted, the alloy resistors with different lengths are limited, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of alloy resistor production and processing, in particular to a universal fixing fixture for alloy resistor printing. Background Art

[0002] With the development of science and technology, the application of resistor elements is becoming more and more extensive. In the production process of resistor elements, in order to make the final resistance value of the resistor element completely consistent with the preset value, the resistor element needs to be repaired. Existing alloy resistor products usually use screen printing technology to print the resistance value information on the surface. However, when printing, the common method is to clamp the resistor body on the workbench and then print it individually or in rows, which is inefficient.

[0003] In the prior art, Chinese patent application number 202320110889.3 is a universal fixing jig for alloy resistor printing, including: a base, a positioning platform, a fixed limit block, a lifting adjustment slot, an adjustable lower pressure seat, a pressure plate, and an adjustable bolt. Through the above method, the utility model is a universal fixing jig for alloy resistor printing, which adopts a split structure. The height of the adjustable lower pressure seat and the pressure plate is adjusted by an adjustable bolt. It not only meets the printing and fixing of resistors of different thicknesses and has strong adaptability, but also can effectively improve the accuracy of printing, improve product yield, and extend the actual service life of the jig. However, it is not convenient to fix resistors of different lengths during use, and it is time-consuming and labor-intensive to take out the printed alloy resistors, which affects the printing efficiency.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related art, the utility model proposes a universal fixing fixture for alloy resistor printing to overcome the above technical problems existing in the existing related art.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A universal fixing fixture for alloy resistor printing comprises a base, positioning screw holes are arranged at the four corners of the base, one end of the base is fixedly connected to a limiting mechanism, the limiting mechanism comprises a connecting frame, a rotating handle, a bidirectional screw rod, a moving block and a side clamping plate, a positioning mechanism is arranged at the center of the base, the positioning mechanism comprises a connecting seat, a positioning platform, a push rod and a reset spring, and the side clamping plates are arranged on both sides of the positioning platform.

[0008] Preferably, the connecting frame is fixed to the base by bolts, the bidirectional screw rod is arranged in the connecting frame, one end of the bidirectional screw rod passes through the connecting frame and is fixedly connected to the rotating handle, the moving block is connected to the bidirectional screw rod, and one end of the moving block is fixedly connected to the side clamp.

[0009] Preferably, the bidirectional screw rod is symmetrically provided with two sections of threads with opposite thread directions, and the moving blocks are respectively provided on the two sections of threads.

[0010] Preferably, a guide groove is provided on one side of the connecting frame facing the base, the side clamping plate passes through the guide groove and is fixedly connected to the moving block, and the bottom of the side clamping plate is attached to the base.

[0011] Preferably, the connecting seat is fixed on the base, the positioning platform is arranged above the connecting frame, one end of the push rod passes through the connecting seat and is connected to the positioning platform, a stop block is fixedly connected to the top of one end of the positioning platform close to the connecting frame, and the return spring is sleeved on the outside of the push rod.

[0012] Preferably, a square through hole and a long strip through hole are respectively dug at positions corresponding to the push rod on the base and the connecting seat, and the size of the square through hole is larger than the long strip through hole.

[0013] Preferably, the return spring is arranged between the bottom of the push rod and the connecting seat, and the diameter of the return spring is larger than the diameter of the elongated through hole.

[0014] Preferably, one end of the positioning platform is hinged on the connecting seat, a hinge rod is provided at the bottom of the other end of the positioning platform, and one end of the push rod passes through a long strip through hole and is hinged on the hinge rod.

[0015] The beneficial effects of the utility model are:

[0016] 1. By setting a limit mechanism, when fixing alloy resistors of different lengths, the bidirectional screw rod is driven to rotate by rotating the handle, so that the moving block drives the side clamping plates to move, and the distance between the side clamping plates is adjusted to adapt to the limit of alloy resistors of different lengths, thereby improving the practicality of the device;

[0017] 2. By arranging a push rod on the positioning mechanism, after the resistor is printed, the side clamp is separated from the alloy resistor, and the positioning platform is turned over by the push rod in cooperation with the hinge rod to form a certain slope, so that the alloy resistor on the positioning platform slides down, which is convenient for taking the alloy resistor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of a universal fixing fixture for alloy resistor printing according to an embodiment of the utility model;

[0020] Figure 2 It is a structural diagram of a limiting mechanism of a universal fixing fixture for alloy resistor printing according to an embodiment of the utility model;

[0021] Figure 3 It is a structural diagram of a positioning mechanism of a universal fixing fixture for alloy resistor printing according to an embodiment of the utility model;

[0022] Figure 4 The present invention is a diagram of a push rod connection structure of a universal fixing fixture for alloy resistor printing according to an embodiment of the present invention.

[0023] In the figure:

[0024] 1. Base; 2. Positioning screw hole; 3. Limiting mechanism; 4. Connecting frame; 5. Turning handle; 6. Bidirectional screw rod; 7. Moving block; 8. Side clamp; 9. Positioning mechanism; 10. Connecting seat; 11. Positioning platform; 12. Push rod; 13. Reset spring; 14. Guide groove; 15. Square through hole; 16. Long strip through hole; 17. Articulated rod; 18. Stop block. DETAILED DESCRIPTION

[0025] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0026] According to an embodiment of the utility model, a universal fixing jig for alloy resistor printing is provided.

[0027] Embodiment 1

[0028] like Figure 1-4As shown, according to an embodiment of the utility model, a universal fixing fixture for alloy resistor printing includes a base 1, and positioning screw holes 2 are set at the four corners of the base 1. One end of the base 1 is fixedly connected to a limiting mechanism 3, and the limiting mechanism 3 includes a connecting frame 4, a rotating handle 5, a bidirectional screw rod 6, a moving block 7 and a side clamp 8. A positioning mechanism 9 is set at the center of the base 1, and a groove is provided at the center of the base 1. The positioning mechanism 9 is set in the groove. The positioning mechanism 9 includes a connecting seat 10, a positioning platform 11, a push rod 12 and a reset spring 13. The side clamp 8 is set on both sides of the positioning platform 11. The connecting frame 4 is fixed to the base 1 by bolts, and the bidirectional screw rod 6 is set In the connecting frame 4, one end of the bidirectional screw rod 6 passes through the connecting frame 4 and is fixedly connected to the rotating handle 5, the moving block 7 is connected to the bidirectional screw rod 6, one end of the moving block 7 is fixedly connected to the side clamping plate 8, the bidirectional screw rod 6 is symmetrically provided with two sections of threads with opposite thread directions, and the moving blocks 7 are respectively arranged on the two sections of threads, and the connecting frame 4 is provided with a guide groove 14 on the side facing the base 1, the side clamping plate 8 passes through the guide groove 14 and is fixedly connected to the moving block 7, and the bottom of the side clamping plate 8 is attached to the base 1, and the bidirectional screw rod 6 is driven to rotate by the rotating handle 5, so that the moving block 7 drives the side clamping plate 8 to move, and the distance between the side clamping plates 8 is adjusted, so that the side clamping plates 8 clamp and limit the alloy resistor.

[0029] Embodiment 2

[0030] like Figure 1-4As shown, according to an embodiment of the utility model, a universal fixing fixture for alloy resistor printing includes a base 1, and positioning screw holes 2 are set at the four corners of the base 1. One end of the base 1 is fixedly connected to a limiting mechanism 3, and the limiting mechanism 3 includes a connecting frame 4, a rotating handle 5, a bidirectional screw rod 6, a moving block 7 and a side clamping plate 8. A positioning mechanism 9 is set at the center of the base 1, and a groove is provided at the center of the base 1. The positioning mechanism 9 is arranged in the groove. The positioning mechanism 9 includes a connecting seat 10, a positioning platform 11, a push rod 12 and a reset spring 13. The side clamping plates 8 are arranged on both sides of the positioning platform 11. The connecting seat 10 is fixed on the base 1. The positioning mechanism 9 is arranged in the groove. The positioning platform 11 is arranged above the connecting frame 4, one end of the push rod 12 passes through the connecting seat 10 and is connected to the positioning platform 11, a stopper 18 is fixedly connected to the top of one end of the positioning platform 11 close to the connecting frame 4, the return spring 13 is sleeved on the outside of the push rod 12, one end of the positioning platform 11 is hinged on the connecting seat 10, and a hinge rod 17 is arranged on the bottom of the other end of the positioning platform 11, one end of the push rod 12 passes through the long strip through hole 16 and is hinged on the hinge rod 17, the push rod 12 is pushed, so that the push rod 12 cooperates with the hinge rod 17 to drive the positioning platform 11 to flip on the connecting seat 10, so that it forms a certain slope, so that the alloy resistor on the positioning platform 11 slides off.

[0031] Embodiment 3

[0032] like Figure 1-4 As shown, a universal fixing fixture for alloy resistor printing according to an embodiment of the utility model comprises a base 1, wherein positioning screw holes 2 are arranged at the four corners of the base 1, and one end of the base 1 is fixedly connected to a limiting mechanism 3, wherein the limiting mechanism 3 comprises a connecting frame 4, a rotating handle 5, a bidirectional screw rod 6, a moving block 7 and a side clamping plate 8, and a positioning mechanism 9 is arranged at the center of the base 1, wherein a groove is arranged at the center of the base 1, and the positioning mechanism 9 is arranged in the groove, and the positioning mechanism 9 comprises a connecting seat 10, a positioning carrier 11 , a push rod 12 and a return spring 13, the side clamps 8 are arranged on both sides of the positioning platform 11, and the positions corresponding to the push rod 12 on the base 1 and the connecting seat 10 are respectively provided with a square through hole 15 and a long strip through hole 16, and the size of the square through hole is larger than the long strip through hole 16, the return spring 13 is arranged between the bottom of the push rod 12 and the connecting seat 10, and the diameter of the return spring 13 is larger than the diameter of the long strip through hole 16. When the push rod 12 is used, it can be driven to reset by the return spring 13, which is convenient for repeated use.

[0033] In summary, with the help of the above-mentioned technical scheme of the utility model, when this device is in use, the alloy resistors to be printed are arranged and placed on the positioning platform 11 of the positioning mechanism 9, and the bidirectional screw 6 is driven to rotate by rotating the handle 5, so that the moving block 7 drives the side clamps 8 to move, and the distance between the side clamps 8 is adjusted, so that the side clamps 8 clamp and limit the alloy resistors. After the resistors are printed, the side clamps 8 are separated from the alloy resistors, and the push rod 12 is pushed, so that the push rod 12 cooperates with the hinged rod 17 to drive the positioning platform 11 to flip on the connecting seat 10, so that it forms a certain slope, so that the alloy resistors on the positioning platform 11 slide down, which is convenient for taking the alloy resistors.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A universal fixing fixture for alloy resistor printing, comprising a base (1), characterized in that: Positioning screw holes (2) are arranged at the four corners of the base (1); one end of the base (1) is fixedly connected to a limiting mechanism (3); the limiting mechanism (3) comprises a connecting frame (4), a rotating handle (5), a bidirectional screw rod (6), a moving block (7) and a side clamp (8); a positioning mechanism (9) is arranged at the center of the base (1); the positioning mechanism (9) comprises a connecting seat (10), a positioning platform (11), a push rod (12) and a reset spring (13); and the side clamp (8) is arranged on both sides of the positioning platform (11).

2. A universal fixing jig for alloy resistor printing according to claim 1, characterized in that: The connecting frame (4) is fixed to the base (1) by bolts, the bidirectional screw rod (6) is arranged in the connecting frame (4), one end of the bidirectional screw rod (6) passes through the connecting frame (4) and is fixedly connected to the rotating handle (5), the moving block (7) is connected to the bidirectional screw rod (6), and one end of the moving block (7) is fixedly connected to the side clamping plate (8).

3. A universal fixing jig for alloy resistor printing according to claim 2, characterized in that: The bidirectional screw rod (6) is symmetrically provided with two sections of threads with opposite thread directions, and the moving blocks (7) are respectively provided on the two sections of threads.

4. A universal fixing jig for alloy resistor printing according to claim 3, characterized in that: A guide groove (14) is provided on one side of the connecting frame (4) facing the base (1); the side clamping plate (8) passes through the guide groove (14) and is fixedly connected to the moving block (7); and the bottom of the side clamping plate (8) is attached to the base (1).

5. The universal fixing fixture for alloy resistor printing according to claim 4, characterized in that: The connecting seat (10) is fixed on the base (1), the positioning platform (11) is arranged above the connecting frame (4), one end of the push rod (12) passes through the connecting seat (10) and is connected to the positioning platform (11), a stopper (18) is fixedly connected to the top of one end of the positioning platform (11) close to the connecting frame (4), and the return spring (13) is sleeved on the outside of the push rod (12).

6. The universal fixing fixture for alloy resistor printing according to claim 1, characterized in that: A square through hole (15) and a long strip through hole (16) are respectively provided at positions corresponding to the push rod (12) on the base (1) and the connecting seat (10), and the size of the square through hole is larger than the long strip through hole (16). The return spring (13) is arranged between the bottom of the push rod (12) and the connecting seat (10), and the diameter of the return spring (13) is larger than the diameter of the long strip through hole (16).

7. The universal fixing fixture for alloy resistor printing according to claim 1, characterized in that: One end of the positioning platform (11) is hinged on the connecting seat (10), and a hinge rod (17) is arranged at the bottom of the other end of the positioning platform (11). One end of the push rod (12) passes through the long strip through hole (16) and is hinged on the hinge rod (17).

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