CN219818860U - Clamp for trimming small transformer pins - Google Patents

Abstract

The utility model discloses a clamp for trimming a pin of a small transformer, which comprises a clamp main body and is characterized in that: the fixture is characterized in that the top of the fixture body is provided with a placing groove for placing a transformer, the front side and the rear side of the placing groove are provided with pin holes which are wide in the upper part and narrow in the lower part side by side, two rows of lifting plates for placing a transformer base are arranged between the pin holes, the bottoms of the lifting plates are connected with the bottom of the placing groove through springs, the positions of the placing groove on the four corners are provided with limiting mechanisms for limiting the transformer, the left side of the placing groove is provided with a locking mechanism for locking the position of the lifting plates, and the left side of the locking mechanism is provided with a releasing mechanism for releasing the locking of the lifting plates.

Description

Clamp for trimming small transformer pins

Technical Field

The utility model relates to the technical field of small transformer production, in particular to a clamp for trimming a pin of a small transformer.

Background

In the production process of a small-sized transformer, after a primary coil and a secondary coil are wound on a transformer framework, soldering tin treatment is needed, pins of the transformer are immersed into soldering tin liquid for soldering tin, the soldering tin liquid remained at the bottoms of the pins is solidified, so that the pins of the transformer are different in length and need to be trimmed, and a clamp for trimming the pins of the small-sized transformer in the prior art is inconvenient to take and place.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the clamp for trimming the small transformer pins, which has the advantage of convenient taking and placing.

Technical proposal

In order to achieve the advantages, the utility model provides the following technical scheme: the utility model provides a small-size transformer pin is maintained and is used anchor clamps, includes anchor clamps main part, its characterized in that: the fixture is characterized in that a placing groove for placing a transformer is formed in the top of the fixture body, pin holes with upper widths and lower widths are formed in the front side and the rear side of the placing groove side by side, lifting plates for placing a transformer base are arranged between the pin holes, the bottoms of the lifting plates are connected with the bottom of the placing groove through springs, limiting mechanisms for limiting the transformer are arranged at the positions on the four corners of the placing groove, a locking mechanism for locking the positions of the lifting plates is arranged on the left side of the placing groove, and a releasing mechanism for releasing the locking of the lifting plates is arranged on the left side of the locking mechanism.

Preferably, the locking mechanism comprises a second sliding groove, a first sliding rod is arranged on the left side of the placing groove in a sliding manner, the first sliding rod is connected with the lifting plate through a connecting rod, the bottom of the first sliding rod is connected with the bottom of the second sliding groove through a first reset spring, a limiting hole communicated with the release mechanism is formed in the left side of the second sliding groove, an elastic sheet is fixedly arranged on the left side of the first sliding rod, one end of the elastic sheet is connected with the first sliding rod, and the other end of the elastic sheet is connected with the left side wall of the second sliding groove in a sliding manner.

Preferably, the release mechanism comprises a third sliding groove, the third sliding groove is communicated with a second sliding groove through a limiting hole, a second sliding rod is arranged in the third sliding groove, an anti-falling ring is arranged on the second sliding rod, an annular spring base is arranged in the third sliding groove, a second reset spring is sleeved on the second sliding rod, and the second reset spring is arranged between the anti-falling ring and the spring base.

Preferably, the limiting mechanism comprises a first sliding chute, an electromagnet is arranged at the bottom of the first sliding chute in a sliding manner, a permanent magnet is arranged at one end, close to the electromagnet, of the limiting block, an anti-falling column is arranged at the outer side of the limiting block, and the anti-falling column is in sliding connection with the first sliding chute.

Preferably, the locking mechanism and the unlocking mechanism trigger the first control switch and the second control switch respectively when triggering the locking and unlocking operations, so as to change the current direction of the electromagnet in the limiting mechanism.

Advantageous effects

Compared with the prior art, the utility model provides the clamp for trimming the pins of the small transformer, which has the following beneficial effects:

1. this small-size transformer pin is maintained and is used anchor clamps through the design of wide down in the stitch hole, can more conveniently insert the stitch of transformer in the stitch hole, conveniently put getting of transformer, carries out the centre gripping to the transformer through lifter plate, locking mechanical system, release mechanism and stop gear cooperation.

Drawings

FIG. 1 is a top view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

fig. 4 is a diagram showing the movement change of the limiting block of the limiting mechanism.

In the figure: the clamp comprises a clamp body 1, a placing groove 11, a lifting plate 12, a pin hole 13, a spring 14, a limiting mechanism 2, a sliding groove I, an electromagnet 22, a limiting block 23, a falling-off preventing column 24, a locking mechanism 3, a sliding groove II, a connecting rod 31, a sliding rod I, a return spring I33, a spring plate 34, a limiting hole 35, a releasing mechanism 4, a sliding groove III, a sliding rod II 42, a falling-off preventing ring 43, a return spring II 44, a spring base 45, a control switch I51 and a control switch II 52.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, a small transformer pin trimming jig includes a jig main body 1, characterized in that: the fixture is characterized in that a placing groove 11 for placing a transformer is formed in the top of the fixture body 1, pin holes 13 with wide upper part and narrow lower part are formed in the front side and the rear side of the placing groove 11 side by side, lifting plates 12 for placing a transformer base are arranged between the pin holes 13 in two rows, the bottoms of the lifting plates 12 are connected with the bottoms of the placing groove 11 through springs 14, limiting mechanisms 2 for limiting the transformer are arranged at the positions on the four corners of the placing groove 11, a locking mechanism 3 for locking the positions of the lifting plates 12 is arranged on the left side of the placing groove 11, and a releasing mechanism 4 for releasing the locking of the lifting plates 12 is arranged on the left side of the locking mechanism 3.

The locking mechanism 3 comprises a second sliding groove 30, the second sliding groove 30 is arranged on the left side of the placing groove 11 and is internally provided with a first sliding rod 32 in a sliding manner, the first sliding rod 32 is connected with the lifting plate 12 through a connecting rod 31, the bottom of the first sliding rod 32 is connected with the bottom of the second sliding groove 30 through a first reset spring 33, a limiting hole 35 communicated with the release mechanism 4 is formed in the left side of the second sliding groove 30, an elastic sheet 34 is fixedly arranged on the left side of the first sliding rod 32, one end of the elastic sheet 34 is connected with the first sliding rod 32, and the other end of the elastic sheet 34 is in sliding connection with the left side wall of the second sliding groove 30.

The release mechanism 4 comprises a third sliding groove 41, the third sliding groove 41 is communicated with a second sliding groove 30 through a limiting hole 35, a second sliding rod 42 is arranged in the third sliding groove 41 in a sliding mode, an anti-falling circular ring 43 is arranged on the second sliding rod 42, an annular spring base 45 is arranged in the third sliding groove 41, a second return spring 44 is sleeved on the second sliding rod 42, and the second return spring 44 is arranged between the anti-falling circular ring 43 and the spring base 45.

The limiting mechanism 2 comprises a first chute 21, a limiting block 23 is arranged in the first chute 21 in a sliding mode, an electromagnet 22 is arranged at the bottom of the first chute 21, a permanent magnet is arranged at one end, close to the electromagnet 22, of the limiting block 23, an anti-falling column 24 is arranged at the outer side of the limiting block 23, and the anti-falling column 24 is connected with the first chute 21 in a sliding mode.

The locking mechanism 3 and the unlocking mechanism 4 trigger the first control switch 51 and the second control switch 52 respectively when triggering the locking and unlocking operations, so as to change the current direction of the electromagnet 22 in the limiting mechanism 2.

When the device is used, pins at the bottom of a transformer framework are placed in the placing groove 11 opposite to pin holes 13 on the clamp body 1, the lifting plate 12 is pressed downwards, the lifting plate 12 drives the slide bar I32 to displace downwards through the connecting rod 31, the elastic piece 34 is pushed out of the limiting hole 35 by the right end of the slide bar II 42, the second trigger control switch II changes the current direction of the electromagnet 22 to attract the electromagnet 22 to the limiting block 23, the first trigger control switch 51 triggers the current direction of the electromagnet 22 to change the magnetic pole driven by the electromagnet 22, the electromagnet 22 repels the limiting block 23, the limiting block 23 displaces towards the direction far away from the electromagnet 22, the transformer is limited above the top of the base of the transformer framework, at the moment, the bottom of the pins of the transformer passes through the pin holes 13, the trimming machine can trim the pin positions protruding the pin holes 13, then presses the slide bar II 42 rightwards, the right end of the slide bar II 42 enters the limiting hole 35 to eject the elastic piece, the second trigger control switch II changes the current direction of the electromagnet 22, the electromagnet 22 attracts the limiting block 23 to the direction close to the electromagnet 22, the first trigger control switch 32 also displaces upwards under the action of a reset spring 33, the action of the electromagnet 22 is repelled, the second trigger the lifting table 14, the reset spring 14 is also reset, the reset spring 44 is restored under the action of the reset spring 44, and the reset spring 44 is restored.

The orientation or positional relationship shown in the drawings is for convenience of description and simplicity of description only, and is not intended to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (5)

1. The utility model provides a small-size transformer pin is maintained and is used anchor clamps, includes anchor clamps main part (1), its characterized in that: the clamp is characterized in that a placing groove (11) for placing a transformer is formed in the top of the clamp body (1), pin holes (13) with the upper width and the lower width are formed in the front side and the rear side of the placing groove (11) side by side, lifting plates (12) for placing a transformer base are arranged between the pin holes (13), the bottoms of the lifting plates (12) are connected with the bottoms of the placing groove (11) through springs (14), limiting mechanisms (2) for limiting the transformer are arranged at the positions on the four corners of the placing groove (11), locking mechanisms (3) for locking the positions of the lifting plates (12) are arranged on the left side of the placing groove (11), and release mechanisms (4) for releasing the locking of the lifting plates (12) are arranged on the left side of the locking mechanisms (3).

2. The fixture for trimming a pin of a small transformer according to claim 1, wherein: the locking mechanism (3) comprises a sliding groove II (30), the sliding groove II (30) is arranged on the left side of the placing groove (11) and is internally provided with a sliding rod I (32) in a sliding mode, the sliding rod I (32) is connected with the lifting plate (12) through a connecting rod (31), the bottom of the sliding rod I (32) is connected with the bottom of the sliding groove II (30) through a reset spring I (33), a limiting hole (35) communicated with the release mechanism (4) is formed in the left side of the sliding groove II (30), an elastic piece (34) is fixedly arranged on the left side of the sliding rod I (32), one end of the elastic piece (34) is connected with the sliding rod I (32), and the other end of the elastic piece is in sliding connection with the left side wall of the sliding groove II (30).

3. The fixture for trimming a pin of a small transformer according to claim 2, wherein: the release mechanism (4) comprises a sliding groove III (41), the sliding groove III (41) is communicated with a sliding groove II (30) through a limiting hole (35), a sliding rod II (42) is arranged in the sliding groove III (41), an anti-falling circular ring (43) is arranged on the sliding rod II (42), an annular spring base (45) is arranged in the sliding groove III (41), a return spring II (44) is sleeved on the sliding rod II (42), and the return spring II (44) is arranged between the anti-falling circular ring (43) and the spring base (45).

4. The fixture for trimming a pin of a small transformer according to claim 1, wherein: the limiting mechanism (2) comprises a first sliding chute (21), an electromagnet (22) is arranged at the bottom of the first sliding chute (21) in a sliding mode, a permanent magnet is arranged at one end, close to the electromagnet (22), of the first sliding chute (21), of the limiting block (23), an anti-falling column (24) is arranged at the outer side of the limiting block (23), and the anti-falling column (24) is connected with the first sliding chute (21) in a sliding mode.

5. The fixture for trimming a pin of a small transformer according to claim 1, wherein: the locking mechanism (3) and the unlocking mechanism (4) respectively trigger the first control switch (51) and the second control switch (52) when the locking and unlocking operations are triggered, so that the current direction of the electromagnet (22) in the limiting mechanism (2) is changed.