Mutual inductor iron core clamp device

Abstract

The utility model discloses a mutual inductor iron core clamp device which comprises a fixed base, a movable frame, a first clamping plate and a second clamping plate, a placing table is fixedly installed on one side of the top face of the fixed base, a positioning plate is fixedly installed on one side of the top face of the placing table, and a fixed plate is fixedly installed on the other side of the top face of the placing table. A first lead screw sleeve is fixedly installed on the fixing plate, an adjusting lead screw is sleeved with the first lead screw sleeve in a threaded mode, a first clamping plate is connected to one end of the adjusting lead screw, guide sliding rods are symmetrically welded to one side of the first clamping plate, a guide sliding sleeve is fixedly installed on the fixing plate, and a guide sliding rod is sleeved with the guide sliding sleeve. The C-shaped iron core limiting and clamping device has the advantages that the C-shaped iron core limiting and clamping device is provided with the containing table, the movable frame, the first clamping plate and the second clamping plate, adjustment and use are more convenient, the C-shaped iron core limiting and clamping device can be suitable for limiting and clamping C-shaped iron cores of different widths, intervals and specifications, the application range is wider, and practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of mutual inductor manufacturing, in particular to a mutual inductor iron core clamp device. Background Art

[0002] The mutual inductor, also known as instrument transformer, is a special-purpose transformer with two main uses: one is to expand the range of AC electrical instruments, and the other is to isolate high voltage and high current and convert them into low voltage and low current as signals for relay protection, automatic devices and control circuits. The mutual inductor has an iron core installed inside. During the production process of the mutual inductor's iron core, a clamping mechanism is required to fix the iron core. For this purpose, a mutual inductor iron core clamp device is required.

[0003] The prior art discloses a C-shaped core processing fixture for a mutual inductor with a publication number of CN218038837U, which belongs to the technical field of mutual inductors, and includes a base, and two mounting ears are symmetrically fixed on one end of the upper end surface of the base, and a first screw is rotatably installed between the two mounting ears, and four clamping blocks are symmetrically installed on the first screw, and the four clamping blocks are divided into two symmetrical groups of clamping mechanisms, and a positioning mechanism is slidably installed in the middle of one end of the upper end surface of the base away from the mounting ears, and the motion trajectory of the positioning mechanism is located on the mid-vertical line of the two groups of clamping mechanisms. The positioning mechanism includes a moving block, a positioning column and a fixed block, and the moving block is slidably installed on the base, the positioning column is fixed to one end of the upper end surface of the moving block, and the fixed block is fixed to the other end of the upper end surface of the moving block. The C-shaped core processing fixture for the mutual inductor can not only perform three-point fastening and clamping of the C-shaped core, and fix it firmly, but also can conveniently adjust the clamping point, and can adapt to C-shaped cores of different specifications, and has strong versatility.

[0004] When the above utility model is in use, the installed first screw can be used to drive two sets of clamping mechanisms, that is, four clamping blocks to move, so as to achieve the limiting fixation of the two ends of the iron core, thereby realizing the three-point fastening clamping of the C-shaped iron core. However, the four clamping blocks can only limit and fix the two ends of the iron core at a certain distance, and the scope of application is limited. The adjustment and use operation is also relatively inconvenient, and the practicality is relatively general. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a transformer core clamp device, which is more convenient to adjust and use, and can be used for limiting the clamping of C-shaped cores of different widths, spacings and specifications. It has the advantages of a wider range of applications and greater practicality, thereby solving the problems in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] In order to make the above-mentioned adjustment more convenient to use, and to be applicable to the limit clamping of C-shaped iron cores of different widths, spacings and specifications, with the advantages of wider application range and stronger practicality, the specific technical scheme adopted by the utility model is as follows: a transformer iron core clamp device, including a fixed base, a movable frame, a first clamping plate and a second clamping plate, a placing table is fixedly installed on one side of the top surface of the fixed base, and a positioning plate is fixedly installed on one side of the top surface of the placing table, and a fixed plate is fixedly installed on the other side of the top surface of the placing table, a first screw sleeve is fixedly installed on the fixed plate, and an adjusting screw is sleeved on the inner thread of the first screw sleeve, and one end of the adjusting screw is connected to the mounting A first clamping plate is installed, a guide slide rod is symmetrically welded on one side of the first clamping plate, a guide sleeve is fixedly installed on the fixed plate, and the guide slide rod is sleeved in the guide sleeve, a movable slide groove is opened on one side of the top surface of the fixed base, a movable slider is fixedly installed at the center of the bottom surface of the movable frame, and the movable slider is embedded in the movable slide groove, a guide slide groove is opened on the top surface of the movable frame, and a bidirectional lead screw is installed in the guide slide groove, guide slides are symmetrically welded on the bottom ends of the two second clamping plates, and the guide slides are embedded in the guide slide groove, a second lead screw sleeve is fixedly installed in the guide slide, and a bidirectional lead screw is sleeved with an inner thread of the second lead screw sleeve.

[0009] Furthermore, a first reserved hole is opened in the placing table, an extension frame is symmetrically welded on one side of the movable frame, and a second reserved hole is opened in the center of the extension frame.

[0010] Furthermore, a first anti-skid rubber pad is fixedly mounted on one side of the first clamping plate, and a second anti-skid rubber pad is fixedly mounted on one side of the second clamping plate.

[0011] Furthermore, a first adjusting knob is fixedly mounted on one end of the adjusting screw, and a second adjusting knob is fixedly mounted on one end of the bidirectional screw.

[0012] Furthermore, the top surface of the placement table and the top surface of the movable frame are on the same horizontal plane.

[0013] Furthermore, the cross-sectional shape of the movable slide groove and the movable slide block is T-shaped.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a transformer core clamp device, which has the following beneficial effects:

[0016] (1) The utility model is provided with a placing table, a moving frame, a first clamping plate and a second clamping plate. When in use, a worker can place the C-shaped iron core on the placing table fixedly installed on one side of the top surface of the fixed base, and make the middle part of the C-shaped iron core align with the center of the positioning plate. A fixing plate is fixedly installed on one side of the top surface of the placing table, and a first screw sleeve is fixedly installed on the fixing plate, and the inner thread of the first screw sleeve is matched with an adjusting screw. Because the first clamping plate is connected and installed at one end of the adjusting screw, and the guide slide rod symmetrically welded on the side wall of the first clamping plate is sleeved in the guide slide rod fixedly installed on the fixing plate, when the worker drives the adjusting screw to rotate through the first adjusting knob, the first clamping plate can be moved along the direction of the guide slide rod until the first anti-skid rubber pad fixedly installed on the side wall of the first clamping plate is tightly abutted against the side wall of the C-shaped iron core, so that the C-shaped iron core can be initially limited and clamped. The movable slide block is embedded in the movable slide groove provided on the fixed base, so the worker can push the movable frame to move along the movable slide groove to below the two end positions of the C-shaped iron core according to the two end positions of the C-shaped iron core. A guide slide groove is provided on the top surface of the movable frame, and a bidirectional screw is installed in the guide slide groove, and a second adjusting knob is fixedly installed at one end of the bidirectional screw. The bottom ends of the two symmetrically arranged second clamping plates are fixedly installed with guide slide blocks, and a second screw sleeve is fixedly installed in the guide slide block, and the inner thread of the second screw sleeve is matched with the bidirectional screw. Therefore, when the worker drives the bidirectional screw to rotate through the second adjusting knob, the two second clamping plates can be relatively moved along the direction of the guide slide groove until the second anti-slip rubber pad fixedly installed on the side wall of the second clamping plate abuts against the inner wall of the C-shaped iron core, so as to realize the limited fixation of the two ends of the C-shaped iron core, and can be adjusted according to the spacing between the two ends of the C-shaped iron core, with a wider range of application and stronger practicality.

[0017] (2) The utility model is provided with a first reserved hole and a second reserved hole. As mentioned above, the placement table and the top surface of the movable frame are consistent in height, so that the C-shaped iron core placed on the placement table can be kept horizontal. After the C-shaped iron core is limited and fixed by the first clamping plate and the two second clamping plates, the force on the C-shaped iron core during processing can be more stable. The placement table is provided with a first reserved hole, and an extension frame is symmetrically welded on one side of the movable frame, and a second reserved hole is provided in the center of the extension frame. The first reserved hole and the second reserved hole can effectively prevent the drill bit from damaging the surface of the placement table and the movable frame when drilling and other processing are performed on the C-shaped iron core. The use is more convenient, the service life of a transformer iron core clamp device is extended, and the practicality is stronger. 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 structural schematic diagram of a transformer core clamp device according to an embodiment of the utility model;

[0020] Figure 2 It is a side sectional view of a transformer core clamp device according to an embodiment of the utility model;

[0021] Figure 3 According to the embodiment of the utility model Figure 1 A magnified image of point A;

[0022] Figure 4 According to the embodiment of the utility model Figure 2 The enlarged view of point B;

[0023] Figure 5 It is a stereoscopic diagram of a movable frame of a transformer core clamp device according to an embodiment of the utility model.

[0024] In the figure:

[0025] 1. Fixed base; 2. Placement table; 3. First clamping plate; 4. Positioning plate; 5. Mobile frame; 6. Extension frame; 7. Fixed plate; 8. First adjusting knob; 9. First reserved hole; 10. Movable slide groove; 11. Second clamping plate; 12. Second adjusting knob; 13. Second reserved hole; 14. Bidirectional lead screw; 15. Guide slide groove; 16. Movable slider; 17. Guide slider; 18. Second anti-skid rubber pad; 19. Adjusting lead screw; 20. First lead screw sleeve; 21. Guide slide rod; 22. Guide sleeve; 23. First anti-skid rubber pad; 24. Second lead screw sleeve. DETAILED DESCRIPTION

[0026] 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.

[0027] According to an embodiment of the utility model, a transformer core clamp device is provided.

[0028] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-5 As shown, a transformer core clamp device according to an embodiment of the utility model includes a fixed base 1, a movable frame 5, a first clamping plate 3 and a second clamping plate 11, a placement table 2 is fixedly installed on one side of the top surface of the fixed base 1, and a positioning plate 4 is fixedly installed on one side of the top surface of the placement table 2, and a fixed plate 7 is fixedly installed on the other side of the top surface of the placement table 2, a first screw sleeve 20 is fixedly installed on the fixed plate 7, and an adjusting screw 19 is sleeved on the inner thread of the first screw sleeve 20, and one end of the adjusting screw 19 is connected to the first clamping plate 3, a guide slide 21 is symmetrically welded on one side of the first clamping plate 3, a guide sleeve 22 is fixedly installed on the fixed plate 7, and a guide slide sleeve 22 is sleeved inside the guide slide 21. A movable slide groove 10 is provided on one side of the top surface of the fixed base 1, a movable slider 16 is fixedly installed at the center of the bottom surface of the movable frame 5, and the movable slider 16 is embedded in the movable slide groove 10, a guide slide groove 15 is provided on the top surface of the movable frame 5, and a bidirectional lead screw 14 is installed in the guide slide groove 15, guide sliders 17 are symmetrically welded on the bottom ends of the two second clamping plates 11, and the guide sliders 17 are embedded in the guide slide groove 15, a second lead screw sleeve 24 is fixedly installed in the guide slider 17, and the second lead screw sleeve 24 is internally threaded with the bidirectional lead screw 14, which makes it more convenient to adjust and use, and can be used for the limit clamping of C-shaped iron cores of different widths, spacings and specifications, with a wider range of applications and stronger practicality.

[0029] In one embodiment, a first reserved hole 9 is opened in the placement table 2, an extension frame 6 is symmetrically welded on one side of the movable frame 5, and a second reserved hole 13 is opened in the center of the extension frame 6. The first reserved hole 9 and the second reserved hole 13 can be set to effectively prevent the drill bit from causing damage to the surface of the placement table 2 and the movable frame 5 when drilling and other processing are performed on the C-type iron core. It is more convenient to use, extends the service life of a transformer core clamp device, and is more practical.

[0030] In one embodiment, a first anti-skid rubber pad 23 is fixedly installed on one side of the first clamping plate 3 , and a second anti-skid rubber pad 18 is fixedly installed on one side of the second clamping plate 11 , which improves the clamping stability of the first clamping plate 3 and the second clamping plate 11 .

[0031] In one embodiment, a first adjusting knob 8 is fixedly mounted on one end of the adjusting screw 19 , and a second adjusting knob 12 is fixedly mounted on one end of the bidirectional screw 14 , which facilitates workers to adjust and rotate the adjusting screw 19 and the bidirectional screw 14 .

[0032] In one embodiment, the top surface of the placement table 2 and the top surface of the moving frame 5 are on the same horizontal plane.

[0033] In one embodiment, the cross-sectional shape of the movable slide groove 10 and the movable slide block 16 is T-shaped.

[0034] Working principle: The utility model is provided with a placing table 2, a moving frame 5, a first clamping plate 3 and a second clamping plate 11. When in use, a worker can place a C-shaped iron core on the placing table 2 fixedly installed on one side of the top surface of the fixed base 1, and make the middle part of the C-shaped iron core align and fit with the center of the positioning plate 4. A fixing plate 7 is fixedly installed on one side of the top surface of the placing table 2, and a first screw sleeve 20 is fixedly installed on the fixing plate 7, and the inner thread of the first screw sleeve 20 is matched with an adjusting screw 19. Because one end of the adjusting screw 19 is connected and installed with the first clamping plate 3, and the guide slide rod 21 symmetrically welded on the side wall of the first clamping plate 3 is sleeved in the guide slide sleeve 22 fixedly installed on the fixing plate 7, so when the worker drives the adjusting screw 19 through the first adjusting knob 8 When the lead screw 19 rotates, the first clamping plate 3 can be moved along the direction of the guide slide rod 21 until the first anti-skid rubber pad 23 fixedly installed on the side wall of the first clamping plate 3 is tightly abutted against the side wall of the C-shaped iron core, so that the C-shaped iron core can be initially limited and clamped. Because the movable sliding block 16 fixedly installed in the center of the bottom surface of the movable frame 5 is embedded in the movable slide groove 10 provided on the fixed base 1, the worker can push the movable frame 5 to move along the movable slide groove 10 to the bottom of the two end positions of the C-shaped iron core according to the two end positions of the C-shaped iron core. The top surface of the movable frame 5 is provided with a guide slide groove 15, and a bidirectional lead screw 14 is installed in the guide slide groove 15, and a second adjusting knob 12 is fixedly installed at one end of the bidirectional lead screw 14, and two second adjusting knobs 12 are symmetrically arranged. A guide slider 17 is fixedly installed at the bottom end of the clamping plate 11, and a second screw sleeve 24 is fixedly installed in the guide slider 17, and the second screw sleeve 24 is internally threaded with a bidirectional screw 14, so when the worker drives the bidirectional screw 14 to rotate through the second adjusting knob 12, the two second clamping plates 11 can be relatively moved along the direction of the guide slide groove 15 until the second anti-skid rubber pad 18 fixedly installed on the side wall of the second clamping plate 11 abuts against the inner wall of the C-shaped iron core to achieve the limit fixation of the two ends of the C-shaped iron core, and can be adjusted according to the spacing between the two ends of the C-shaped iron core, with a wider range of applications and stronger practicality. In addition, the utility model is provided with a first reserved hole 9 and a second reserved hole 13. As described above, the placement table 2 and the shift The top surface height of the movable frame 5 is consistent, so that the C-shaped iron core placed on the placement table 2 can be kept horizontal. After the C-shaped iron core is limited and fixed by the first clamping plate 3 and the two second clamping plates 11, the force on the C-shaped iron core during processing can be more stable. A first reserved hole 9 is provided on the placement table 2, and an extension frame 6 is symmetrically welded on one side of the movable frame 5, and a second reserved hole 13 is provided in the center of the extension frame 6. The first reserved hole 9 and the second reserved hole 13 can effectively prevent the drill bit from damaging the surface of the placement table 2 and the movable frame 5 when drilling and other processing are performed on the C-shaped iron core. It is more convenient to use, and the service life of a transformer core clamp device is extended, and it is more practical.

[0035] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0036] 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 transformer core clamp device, comprising a fixed base (1), a movable frame (5), a first clamping plate (3) and a second clamping plate (11), characterized in that: A placing platform (2) is fixedly installed on one side of the top surface of the fixed base (1), and a positioning plate (4) is fixedly installed on one side of the top surface of the placing platform (2), and a fixing plate (7) is fixedly installed on the other side of the top surface of the placing platform (2), a first screw sleeve (20) is fixedly installed on the fixing plate (7), and an adjusting screw (19) is sleeved on the inner thread of the first screw sleeve (20), and a first clamping plate (3) is connected to one end of the adjusting screw (19), and a guide slide rod (21) is symmetrically welded on one side of the first clamping plate (3), a guide sleeve (22) is fixedly installed on the fixing plate (7), and the guide sleeve (22) is sleeved on the inner thread of the guide slide rod (21), A movable slide groove (10) is provided on one side of the top surface of the fixed base (1), a movable slider (16) is fixedly installed at the center of the bottom surface of the movable frame (5), and the movable slider (16) is embedded in the movable slide groove (10), a guide slide groove (15) is provided on the top surface of the movable frame (5), and a bidirectional lead screw (14) is installed in the guide slide groove (15), two guide sliders (17) are symmetrically welded at the bottom ends of the two second clamping plates (11), and the guide slider (17) is embedded in the guide slide groove (15), a second lead screw sleeve (24) is fixedly installed in the guide slider (17), and the second lead screw sleeve (24) is internally threaded with the bidirectional lead screw (14).

2. A transformer core clamp device according to claim 1, characterized in that: A first reserved hole (9) is provided in the placement platform (2), an extension frame (6) is symmetrically welded to one side of the movable frame (5), and a second reserved hole (13) is provided in the center of the extension frame (6).

3. A transformer core clamp device according to claim 1, characterized in that: A first anti-skid rubber pad (23) is fixedly mounted on one side of the first clamping plate (3), and a second anti-skid rubber pad (18) is fixedly mounted on one side of the second clamping plate (11).

4. A transformer core clamp device according to claim 1, characterized in that: A first adjusting knob (8) is fixedly mounted on one end of the adjusting screw (19), and a second adjusting knob (12) is fixedly mounted on one end of the bidirectional screw (14).

5. A transformer core clamp device according to claim 1, characterized in that: The top surface of the placement table (2) and the top surface of the movable frame (5) are on the same horizontal plane.

6. A transformer core clamp device according to claim 1, characterized in that: The cross-sectional shapes of the movable slide groove (10) and the movable sliding block (16) are T-shaped.

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