CN218038837U

CN218038837U - C-shaped iron core machining clamp for mutual inductor

Info

Publication number: CN218038837U
Application number: CN202222154623.7U
Authority: CN
Inventors: 白捷东; 李军; 蒋娟
Original assignee: Xuzhou Jiuli Electronic Co ltd
Current assignee: Xuzhou Jiuli Electronic Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-12-13
Anticipated expiration: 2032-08-16

Abstract

The utility model discloses a mutual inductor is with C shape iron core adds clamping apparatus belongs to mutual inductor technical field, the on-line screen storage device comprises a base, the up end one end symmetry of base is fixed with two installation ears, rotate between two installation ears and install first lead screw, four grip blocks are installed to the symmetry on the first lead screw, four grip blocks fall into two sets of fixture of symmetry, and the up end of base keeps away from the one end middle part slidable mounting who installs the ear there is positioning mechanism, positioning mechanism's motion trail is located two sets of fixture's perpendicular bisector, positioning mechanism includes the movable block, reference column and fixed block, movable block slidable mounting is on the base, the reference column is fixed in the up end one end of movable block, the fixed block is fixed in the up end other end of movable block. This C shape iron core adds clamping apparatus for mutual-inductor not only can carry out the three-point type fastening centre gripping to C shape iron core, and is fixed firm, can conveniently adjust the centre gripping moreover, can the C shape iron core of different specifications of adaptation, and the commonality is strong.

Description

C-shaped iron core machining clamp for mutual inductor

Technical Field

The utility model belongs to the technical field of the mutual-inductor, especially, relate to a mutual-inductor is with C shape iron core adds clamping apparatus.

Background

The mutual inductor is also called an instrument transformer, and is a general name of a current transformer and a voltage transformer. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Generally, the iron core is a core component of the transformer, and the machining precision of the iron core often determines the quality of the transformer. The patent with publication number CN212810045U discloses a C-shaped iron core processing clamp for the mutual inductor, which comprises a base, wherein a positioning mechanism and a telescopic mechanism are arranged on the base, and can stably clamp the C-shaped iron core, so that the C-shaped iron core cannot shift during polishing, and the normal operation of polishing is ensured.

However, when the C-shaped iron core processing clamp for the transformer is used, the arc-shaped fixing plate on the positioning mechanism needs to be matched with the positioning rod for fixing, and the arc-shaped fixing plate and the positioning rod are fixed on the base, so that the whole clamp can only clamp and fix one type of C-shaped iron core, the C-shaped iron cores of other specifications are not conveniently fixed, and the limitation is high.

Therefore, the C-shaped iron core processing clamp for the mutual inductor is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving prior art, current mutual inductor is with C shape iron core processing when using, and the structure is comparatively rigid, is not convenient for carry out the centre gripping to the C shape iron core of other multiple specifications fixed, leads to the problem that the limitation is high, and the C shape iron core adds clamping apparatus for the mutual inductor that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a mutual inductor is with C shape iron core adds clamping apparatus, includes the base, the up end one end symmetry of base is fixed with two installation ears, two rotate between the installation ear and install first lead screw, four grip blocks are installed to the symmetry on the first lead screw, four the grip block falls into two sets of fixture of symmetry, just the up end of base is kept away from the one end middle part slidable mounting of installation ear has positioning mechanism, positioning mechanism's motion trail is located on two sets of fixture's the perpendicular bisector, positioning mechanism includes movable block, reference column and fixed block, the movable block slidable mounting in on the base, the reference column is fixed in the up end one end of movable block, the fixed block is fixed in the up end other end of movable block, adjusting bolt is installed to the screw thread on the fixed block, adjusting bolt orientation the one end of reference column is rotated and is installed the push pedal, the push pedal is towards one side both ends symmetry of reference column is fixed with two butt joint boards.

Through above-mentioned technical scheme, not only can carry out the bikini fastening centre gripping to C shape iron core, it is fixed firm, can conveniently adjust the centre gripping moreover, can adapt to the C shape iron core of different specifications, the commonality is strong.

As a further preferable scheme, two groups of clamping mechanisms divided by the four clamping blocks are symmetrically arranged on two sections of threads correspondingly constructed on the first screw rod, and the two sections of threads on the first screw rod are further divided into two symmetrically opposite sections of threads.

Through above-mentioned technical scheme, the multistage screw thread on the usable first lead screw drives two liang of phase shift of a plurality of grip blocks for per two grip blocks can the centre gripping the tip of a C shape iron core.

In a further preferred embodiment, each of the plurality of threads of the first lead screw penetrates through one of the clamping blocks, and a lower end surface of the clamping block is in sliding contact with an upper end surface of the base.

Through the technical scheme, the clamping blocks are in sliding butt joint with the base, so that the limiting effect is achieved, and the horizontal movement of the clamping blocks is guaranteed.

As a further preferred scheme, two clamping blocks of each group of clamping mechanisms are provided with clamping grooves, and the clamping grooves are matched with each other in opposite directions.

Through above-mentioned technical scheme, the cell wall that the grip block can utilize its edge or centre gripping groove itself comes butt C shape iron core tip, provides extra selection space for the C shape iron core specification that the grip block can the centre gripping is more extensive.

As a further preferable scheme, a sliding groove for slidably mounting the positioning mechanism is formed in the upper end surface of the base, the moving block is slidably mounted in the sliding groove, and the upper end surface of the positioning mechanism is flush with the upper end surface of the base.

Through the technical scheme, the positioning mechanism can be slidably arranged in the sliding groove on the base.

As a further preferable scheme, a second lead screw is rotatably mounted in the sliding groove, one end of the second lead screw penetrates through the outer side of the base and is provided with a screwing cap, and a threaded through hole for the second lead screw to penetrate through is formed in the middle of the moving block.

Through the technical scheme, the moving block can be driven to move on the base by screwing the second lead screw.

As a further preferable scheme, the positioning column is located at one end of the moving block, the upper end face of the moving block faces towards the mounting lug, and the bottom of the push plate abuts against the upper end face of the moving block.

Through the technical scheme, the push plate can be slidably arranged on the upper end surface of the moving block.

To sum up, the utility model discloses a technological effect and advantage: this C shape iron core adds clamping apparatus for mutual-inductor benefits from the cooperation of installation ear, first lead screw and a plurality of grip block, can carry out the centre gripping to the C shape iron core both ends of different specifications and fix, simultaneously, the mobile adjusting position's of deuterogamy positioning mechanism adjusts the position of two butt joint boards through revolving the adjusting bolt soon for two butt joint boards can form the cooperation with the reference column, carry out the centre gripping in order to the segmental arc middle part to C shape iron core. In conclusion, the clamp can be used for carrying out three-point type fastening clamping on the C-shaped iron core, is firm in fixation, can be used for conveniently adjusting the clamping point, can be adapted to C-shaped iron cores with different specifications, and is high in universality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the positioning mechanism of the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. a base; 2. mounting lugs; 3. a first lead screw; 4. a clamping block; 401. a clamping groove; 5. a chute; 6. a positioning mechanism; 601. a moving block; 602. a threaded through hole; 603. a positioning column; 604. a fixed block; 605. adjusting the bolt; 606. pushing a plate; 607. a butt joint plate; 7. and a second lead screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 and 2, a C-shaped iron core processing clamp for a transformer comprises a base 1, two mounting lugs 2 are symmetrically fixed at one end of the upper end face of the base 1, a first lead screw 3 is rotatably mounted between the two mounting lugs 2, four clamping blocks 4 are symmetrically mounted on the first lead screw 3, and the four clamping blocks 4 are divided into two symmetrical groups of clamping mechanisms.

Two groups of clamping mechanisms divided by the four clamping blocks 4 are symmetrically arranged on two sections of threads correspondingly constructed on the first lead screw 3, and the two sections of threads on the first lead screw 3 are further divided into two sections of threads which are symmetrically opposite. Simultaneously, the multistage screw thread on the first lead screw 3 is respectively the screw thread and runs through a grip block 4, and the lower terminal surface of grip block 4 slides the up end of butt base 1, make first lead screw 3 when rotating, every group fixture's two grip blocks 4 all can carry out in opposite directions or move to the back under the spacing condition of the slip of base 1 up end on the first lead screw 3, thereby make a plurality of grip blocks 4 can carry out the centre gripping to the C shape iron core both ends of placing on base 1, and do not have too high restriction to the specification at C shape iron core both ends, the commonality is stronger.

And all seted up centre gripping groove 401 on two grip blocks 4 of every group fixture, and correspond two centre gripping grooves 401 and cooperate in opposite directions, the tip that sets up of centre gripping groove 401 made grip block 4 is the echelonment for grip block 4 can further centre gripping the C shape iron core both ends of different specifications, can improve the commonality to a certain extent.

Referring to fig. 1, 3 and 4, a positioning mechanism 6 is slidably mounted in the middle of one end of the upper end surface of the base 1, which is far away from the mounting lug 2, the movement track of the positioning mechanism 6 is located on the perpendicular bisector of the two sets of clamping mechanisms, the positioning mechanism 6 includes a moving block 601, a positioning column 603 and a fixed block 604, and the moving block 601 is slidably mounted on the base 1. Specifically, the upper end surface of the base 1 is provided with a sliding groove 5 for the sliding installation of the positioning mechanism 6, the moving block 601 is slidably installed in the sliding groove 5, and the upper end surface of the positioning mechanism 6 is flush with the upper end surface of the base 1. And the second lead screw 7 is installed to the 5 internal rotations of spout, and the outside of base 1 is worn out to the one end of second lead screw 7 to the structure has twisted the cap, and the middle part of movable block 601 sets up the screw through-hole 602 that supplies the 7 screw threads of second lead screw to run through, makes the rotation of second lead screw 7 can order about movable block 601 and remove in spout 5, thereby adjusts the interval between positioning mechanism 6 and the grip block 4, with the C shape iron core of the fixed different specifications of cooperation.

Meanwhile, the positioning column 603 is fixed at one end, facing the mounting lug 2, of the upper end face of the moving block 601, the fixing block 604 is fixed at the other end of the upper end face of the moving block 601, the adjusting bolt 605 is installed on the fixing block 604 in a threaded manner, the adjusting bolt 605 is rotatably installed at one end, facing the positioning column 603, of the pushing plate 606, the bottom of the pushing plate 606 abuts against the upper end face of the moving block 601, and two abutting plates 607 are symmetrically fixed at two ends, facing the positioning column 603, of the pushing plate 606, so that when the adjusting bolt 605 is rotated, the pushing plate 606 can be driven to move on the upper end face of the moving block 601, the two abutting plates 607 are pushed to be matched with the positioning column 603, the middle arc section of the C-shaped iron core is fixed, and is fixed to be matched with two ends of the C-shaped iron core by the plurality of clamping blocks 4, a three-point fixing effect is achieved, shaking and shifting of the C-shaped iron core during processing is avoided, and the C-shaped iron core is favorably improved.

The working principle is as follows: this C shape iron core adds clamping apparatus for mutual-inductor during the use, can arrange C shape iron core in base 1's up end, at this moment, the staff accessible revolves soon first lead screw 3 and orders about four grip blocks 4 two liang of removal in opposite directions respectively for a plurality of grip blocks 4 can carry out the centre gripping to the both ends of C shape iron core and fix.

Meanwhile, the position of the moving block 601 can be moved by screwing the second lead screw 7, so that the middle part of the arc section of the C-shaped iron core can be arranged on the upper end surface of the moving block 601 and is located between the positioning column 603 and the push plate 606, at this time, a worker can screw the adjusting bolt 605 again to push the push plate 606 to slide on the upper end surface of the moving block 601, so that the abutting plate 607 can abut against the middle part of the C-shaped iron core and is matched with the positioning column 603 to form clamping.

To sum up, this anchor clamps not only can carry out the three-point type fastening centre gripping to C shape iron core, and is fixed firm, can conveniently adjust the exposed core moreover, can the C shape iron core of different specifications of adaptation, and the commonality is strong.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A C-shaped iron core processing clamp for a mutual inductor comprises a base (1) and is characterized in that, two mounting lugs (2) are symmetrically fixed at one end of the upper end surface of the base (1), a first lead screw (3) is rotatably mounted between the two mounting lugs (2), four clamping blocks (4) are symmetrically arranged on the first screw rod (3), the four clamping blocks (4) are divided into two symmetrical groups of clamping mechanisms, and a positioning mechanism (6) is slidably arranged in the middle of one end of the upper end surface of the base (1) far away from the mounting lug (2), the motion trail of the positioning mechanism (6) is positioned on the perpendicular bisector of the two groups of clamping mechanisms, the positioning mechanism (6) comprises a moving block (601), a positioning column (603) and a fixed block (604), the moving block (601) is arranged on the base (1) in a sliding way, the positioning column (603) is fixed at one end of the upper end surface of the moving block (601), the fixed block (604) is fixed at the other end of the upper end surface of the moving block (601), an adjusting bolt (605) is installed on the fixed block (604) in a threaded manner, a push plate (606) is rotatably arranged at one end of the adjusting bolt (605) facing the positioning column (603), two abutting plates (607) are symmetrically fixed at two ends of one side of the push plate (606) facing the positioning column (603).

2. The C-shaped iron core processing clamp for the mutual inductor as claimed in claim 1, wherein two groups of clamping mechanisms divided by four clamping blocks (4) are symmetrically arranged on two sections of threads correspondingly constructed on the first lead screw (3), and the two sections of threads on the first lead screw (3) are further divided into two symmetrically opposite sections of threads.

3. The C-shaped iron core processing clamp for the mutual inductor according to claim 2, wherein multiple threads on the first lead screw (3) respectively penetrate through one clamping block (4), and the lower end face of the clamping block (4) is in sliding contact with the upper end face of the base (1).

4. The C-shaped iron core processing clamp for the mutual inductor according to claim 3, wherein clamping grooves (401) are formed in the two clamping blocks (4) of each group of clamping mechanisms, and the two clamping grooves (401) are correspondingly matched with each other.

5. The C-shaped iron core processing clamp for the mutual inductor as claimed in claim 1, wherein a sliding groove (5) for the positioning mechanism (6) to be slidably mounted is formed in an upper end surface of the base (1), the moving block (601) is slidably mounted in the sliding groove (5), and the upper end surface of the positioning mechanism (6) is flush with the upper end surface of the base (1).

6. The C-shaped iron core processing clamp for the mutual inductor according to claim 5, wherein a second lead screw (7) is rotatably mounted in the sliding groove (5), one end of the second lead screw (7) penetrates through the outer side of the base (1) and is provided with a screwing cap, and a threaded through hole (602) for the second lead screw (7) to penetrate through is formed in the middle of the moving block (601).

7. The C-shaped iron core processing clamp for the mutual inductor as claimed in claim 1, wherein the positioning column (603) is located at one end of the moving block (601) facing the mounting lug (2), and the bottom of the push plate (606) abuts against the upper end face of the moving block (601).