Pressing tool

Abstract

The pressing tool comprises a base, a limiting column and an ejector block, the base is provided with the limiting column, the limiting column is vertically arranged, the limiting column is used for sleeving a plurality of iron cores to be pressed, a plurality of first limiting strips are formed on the outer side wall of the limiting column, the first limiting strips are annularly and sequentially arranged at intervals, and a plurality of second limiting strips are formed on the outer side wall of the ejector block. The first limiting strip extends in the length direction of the limiting column. According to the tool, the base is arranged to place a plurality of iron cores, then the limiting columns are arranged, a plurality of first limiting strips on the limiting columns and a plurality of second limiting strips on the base are inserted into the limiting columns respectively, movement of the iron cores is limited, then the ejector blocks are arranged, the ejector blocks are arranged on the limiting columns in a sleeving mode, and the iron cores are downwards ejected and pressed by the ejector blocks; and the whole pressing process is quick, simple, convenient, practical and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of machinery, in particular to a pressing tooling. Background Art

[0002] The iron core refers to the magnetic material or ferrite material sleeved by a coil. It is an important and indispensable component in electronic devices, used for the concentration, transmission and control of magnetic flux. Generally, it is composed of multiple parallel and densely arranged sheet iron cores laminated together, and each sheet iron core is made of materials such as high-permeability silicon steel or nickel-iron alloy; in the production process of the existing iron cores, multiple iron cores need to be pressed and then welded. However, when the existing iron cores are pressed, most of them are directly assembled manually, but it is easy to occur that the iron cores are not aligned, resulting in offset during the welding of the iron cores and affecting the quality of the iron cores. The publication number is CN203165805U, which discloses an iron core pressing tooling, including a die holder. A top die base is vertically slidably installed at the bottom of the die holder. A moving bottom die is horizontally slidably installed directly below the top die base. A feeding seat is arranged in front of the moving direction of the moving bottom die. The fracture of the feeding seat is arranged in front of the receiving seat of the moving bottom die. A plurality of manipulators are movably arranged above the feeding seat. Although this tooling can press the iron cores, the overall floor area is large and the pressing process is long, which is not conducive to production. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a practical pressing tooling.

[0004] To achieve the above purpose, the solution provided by the utility model is: a pressing tooling, including a base, a limiting column and a top block. The limiting column is arranged on the base. The limiting column is vertically arranged and is used for sleeving a plurality of iron cores to be pressed. A plurality of first limiting strips are formed on the outer side wall of the limiting column. The plurality of first limiting strips are annularly arranged at intervals in sequence. The first limiting strips extend along the length direction of the limiting column.

[0005] A plurality of second limiting strips are detachably installed on the base. The plurality of second limiting strips are located outside the limiting column. The plurality of second limiting strips are annularly arranged at intervals in sequence. The second limiting strips extend along the length direction of the limiting column. The plurality of first limiting strips and the plurality of second limiting strips are respectively used for inserting into the limiting column to limit the rotation of the limiting column. The top block is sleeved on the limiting column and is used for pressing the iron cores downward.

[0006] The beneficial effects of the present utility model are as follows: It realizes the rapid pressing of multiple iron cores. This tooling is provided with a base for placing multiple iron cores, and then by setting limit posts, multiple first limit strips on the limit posts and multiple second limit strips on the base are respectively inserted into the limit posts to restrict the movement of the iron cores. Then, by setting a top block, the top block is sleeved on the limit posts to realize the top block pressing downwards to tightly press the iron cores, thereby realizing the rapid pressing of multiple iron cores. The entire pressing process is rapid, simple, practical, and reliable.

[0007] Further, the base includes a first base, a second base, a third base, and a fourth base. The second base is arranged on the first base, the third base is arranged on the second base, and the fourth base is arranged on the third base.

[0008] Further, the third base is provided with a third installation hole, and the fourth base is provided with a fourth installation hole. The fourth installation hole and the third installation hole are opposite to each other up and down, and the fourth installation hole and the third installation hole are respectively used for the limit post to be inserted downwards. After the present utility model adopts the above structure, the installation of the limit post is realized.

[0009] Further, the first base is provided with a first installation hole, and the second base is provided with a second installation hole. The second installation hole and the first installation hole are opposite to each other up and down. A connecting shaft is formed at the bottom of the limit post, and the connecting shaft extends along the length direction of the limit post. The second installation hole and the first installation hole are respectively used for the connecting shaft to be inserted downwards.

[0010] Further, a plurality of installation grooves are formed on the top surface of the fourth base, and the installation grooves are arranged at intervals in a ring shape. The installation grooves are snap-connected with the second limit strips. After the present utility model adopts the above structure, the detachable installation of the second limit strips is realized.

[0011] Further, a plurality of limit pins are arranged on the second base, and the plurality of limit pins are arranged at intervals in a ring shape. The limit pins sequentially pass through the third base and the fourth base, and the plurality of limit pins are used to jointly clamp the iron cores.

[0012] Further, a plurality of support feet are connected to the bottom of the first base.

[0013] Further, a plurality of top pressing elements are slidably connected to the bottom of the top block, and the plurality of top pressing elements jointly press downwards against the iron cores. A plurality of adjusting screws are arranged on the top block, and a return spring is connected between the adjusting screws and the top pressing elements. After the present utility model adopts the above structure, the downward pressing to tightly press the iron cores is realized. Description of the Drawings

[0014] Figure 1 For the three-dimensional overall structure of the present utility model Figure 1 。

[0015] Figure 2 Three-dimensional view of the overall structure of the present utility model Figure 2 .

[0016] Figure 3 Three-dimensional view of the overall structure of the present utility model Figure 3 (The iron core and the top block are not shown).

[0017] Figure 4 Three-dimensional view of the base of the present utility model.

[0018] Among them, 11 is the first base, 111 is the first mounting hole, 12 is the second base, 121 is the second mounting hole, 122 is the limit pin, 13 is the third base, 131 is the third mounting hole, 14 is the fourth base, 141 is the fourth mounting hole, 142 is the mounting groove, 15 is the second limit strip, 16 is the support leg, 2 is the limit post, 21 is the first limit strip, 22 is the connecting shaft, 3 is the top block, 31 is the pressing element, 32 is the adjusting screw, 33 is the return spring, and 4 is the iron core. Specific embodiments

[0019] Next, the technical solutions of the present utility model will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model 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 should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0021] Refer to the attached Figure 1 to the attached Figure 4 As shown, a pressing tooling includes a base, a limit post 2, and a top block 3. A limit post 2 is provided on the base. The limit post 2 is vertically arranged and is used for sleeving a plurality of iron cores 4 to be pressed. A plurality of first limit strips 21 are formed on the outer side wall of the limit post 2. The plurality of first limit strips 21 are arranged at intervals in a ring shape in sequence, and the first limit strips 21 extend along the length direction of the limit post 2.

[0022] A plurality of second limit strips 15 are detachably mounted on the base, the plurality of second limit strips 15 are located on the periphery of the limit column 2, the plurality of second limit strips 15 are arranged in a ring-shaped pattern in sequence, the second limit strips 15 extend along the length direction of the limit column 2, the plurality of first limit strips 21 and the plurality of second limit strips 15 are respectively used to be inserted into the limit column 2 to limit the rotation of the limit column 2, and the top block 3 is mounted on the limit column 2 to press the iron core 4 downward.

[0023] In this embodiment, the base includes a first base 11 , a second base 12 , a third base 13 , and a fourth base 14 . The second base 12 is disposed on the first base 11 , the third base 13 is disposed on the second base 12 , and the fourth base 14 is disposed on the third base 13 .

[0024] In this embodiment, the third base 13 is provided with a third mounting hole 131, and the fourth base 14 is provided with a fourth mounting hole 141. The fourth mounting hole 141 and the third mounting hole 131 are opposite to each other up and down, and the fourth mounting hole 141 and the third mounting hole 131 are respectively used for the limiting column 2 to be inserted downward; the first base 11 is provided with a first mounting hole 111, and the second base 12 is provided with a second mounting hole 121. The second mounting hole 121 is opposite to the first mounting hole 111 up and down, and a connecting shaft 22 is formed at the bottom of the limiting column 2, and the connecting shaft 22 extends along the length direction of the limiting column 2, and the second mounting hole 121 and the first mounting hole 111 are respectively used for the connecting shaft 22 to be inserted downward; a plurality of mounting grooves 142 are provided on the top surface of the fourth base 14, and the mounting grooves 142 are arranged in a ring-shaped manner and spaced apart in sequence, and the mounting grooves 142 are snap-connected with the second limiting strip 15.

[0025] In this embodiment, a plurality of limit pins 122 are provided on the second base 12 , and the plurality of limit pins 122 are arranged in a ring-like manner in sequence. The limit pins 122 pass through the third base 13 and the fourth base 14 in sequence, and the plurality of limit pins 122 are used to clamp the iron core 4 together.

[0026] In this embodiment, a plurality of legs 16 are connected to the bottom of the first base 11 .

[0027] In this embodiment, a plurality of pressing pieces 31 are slidably connected to the bottom of the top block 3, and the plurality of pressing pieces 31 jointly press downward against the pressing iron core 4. A plurality of adjusting screws 32 are provided on the top block 3, and a return spring 33 is connected between the adjusting screws 32 and the pressing pieces 31.

[0028] In this embodiment, the specific pressing process is as follows: First, align multiple iron cores 4 to be pressed with multiple first limiting strips 21 and multiple second limiting strips 15, and then successively sleeved onto the limiting posts 2. The iron core 4 at the lowermost side is placed on the fourth base 14, and the remaining multiple iron cores 4 are successively stacked. The multiple first limiting strips 21 and multiple second limiting strips 15 are respectively inserted into the multiple iron cores 4, and the limiting pins 122 clamp the outer sides of the iron cores 4 to restrict the rotation of the multiple iron cores 4 and align the multiple iron cores 4 vertically, so as to facilitate the subsequent pressing of the iron cores;

[0029] At this time, sleeved the top block 3 on the top of the limiting post 2 until the top block 3 presses the iron core 4 at the uppermost side downward. Then, turn the adjusting screw 32 to move the adjusting screw 32 downward, and cooperate with the return spring 33 to push the pressing element 31 downward to realize downward pressing and clamping of the iron core 4, so as to clamp multiple iron cores 4, which is convenient for subsequent welding of multiple iron cores 4.

[0030] Among them, the connecting shaft 22 is provided to facilitate the subsequent equipment to drive the entire tooling to rotate through the connecting shaft 22, which is convenient for the subsequent welding process of the iron core 4.

[0031] The above-described embodiments are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Any person skilled in the art can make more possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent embodiment with equivalent changes, without departing from the scope of the technical solution of the present invention. Therefore, all equivalent changes made according to the idea of the present invention without departing from the content of the technical solution of the present invention shall be covered by the protection scope of the present invention.

Claims

1. A pressing tool, comprising a base, a limiting column (2), and a top block (3), characterized in that: A limiting column (2) is arranged on the base, the limiting column (2) is arranged vertically, the limiting column (2) is used to fit a plurality of iron cores (4) to be pressed together, a plurality of first limiting strips (21) are formed on the outer side wall of the limiting column (2), the plurality of first limiting strips (21) are arranged in a ring-like manner and spaced apart in sequence, and the first limiting strips (21) extend along the length direction of the limiting column (2); A plurality of second limiting strips (15) are detachably mounted on the base, the plurality of second limiting strips (15) are located on the periphery of the limiting column (2), the plurality of second limiting strips (15) are arranged in a ring-shaped manner in sequence, the second limiting strips (15) extend along the length direction of the limiting column (2), the plurality of first limiting strips (21) and the plurality of second limiting strips (15) are respectively used to be inserted into the limiting column (2) to limit the rotation of the limiting column (2), and the top block (3) is mounted on the limiting column (2) to press the iron core (4) downward.

2. A pressing tool according to claim 1, characterized in that: The base comprises a first base (11), a second base (12), a third base (13), and a fourth base (14); the second base (12) is arranged on the first base (11), the third base (13) is arranged on the second base (12), and the fourth base (14) is arranged on the third base (13).

3. A pressing tool according to claim 2, characterized in that: The third base (13) is provided with a third mounting hole (131), and the fourth base (14) is provided with a fourth mounting hole (141). The fourth mounting hole (141) and the third mounting hole (131) are vertically opposed to each other, and the fourth mounting hole (141) and the third mounting hole (131) are respectively used for the limiting column (2) to be inserted downwards.

4. A pressing tool according to claim 3, characterized in that: The first base (11) is provided with a first mounting hole (111), the second base (12) is provided with a second mounting hole (121), the second mounting hole (121) and the first mounting hole (111) are vertically opposite to each other, a connecting shaft (22) is formed at the bottom of the limiting column (2), the connecting shaft (22) extends along the length direction of the limiting column (2), and the second mounting hole (121) and the first mounting hole (111) are respectively used for the connecting shaft (22) to be inserted downwards.

5. A pressing tool according to claim 4, characterized in that: The top surface of the fourth base (14) is provided with a plurality of mounting grooves (142), the mounting grooves (142) are arranged in a ring-shaped manner and spaced apart in sequence, and the mounting grooves (142) are snap-connected to the second limiting strip (15).

6. A pressing tool according to claim 5, characterized in that: The second base (12) is provided with a plurality of limit pins (122), the plurality of limit pins (122) are arranged in a ring-like manner and spaced in sequence, the limit pins (122) pass through the third base (13) and the fourth base (14) in sequence, and the plurality of limit pins (122) are used to clamp the iron core (4) together.

7. The pressing tool according to claim 2, characterized in that: A plurality of supporting legs (16) are connected to the bottom of the first base (11).

8. The pressing tool according to claim 1, characterized in that: The bottom of the top block (3) is slidably connected to a plurality of top pressing members (31), and the plurality of top pressing members (31) jointly press downward against the top pressing iron core (4). The top block (3) is provided with a plurality of adjusting screws (32), and a return spring (33) is connected between the adjusting screws (32) and the top pressing members (31).

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