Spliced iron core press-fitting device

Abstract

The utility model provides a block type iron core press-fitting device, a block type iron core is formed by mutually connecting a plurality of iron core blocks, the press-fitting device comprises a base, a mounting rack, a press, a die sleeve, a positioning strip, a positioning plate, a guide strip and a guide cover, the mounting rack is fixedly mounted on the base, the press is mounted at the upper end of the mounting rack, the die sleeve is mounted below the press, and the positioning plate is mounted on the die sleeve. The die sleeve can be movably arranged and can move up and down along the mounting frame, the positioning strip is embedded and mounted on the inner side of the die sleeve, the positioning strip is matched with a groove in the outer side of the spliced iron core, the positioning plate is slidably mounted on the base, the guide strip is mounted on the positioning plate, the shell is placed on the positioning plate and is roughly positioned by the guide strip, the guide cover is sleeved on the outer side of the shell, and the upper end of the guide cover is propped against the die sleeve. The hoop surrounds the outer side of the split iron core, and the lower end of the split iron core enters the die sleeve and is pressed into the shell by the press. According to the utility model, the pre-positioning of the spliced iron core is realized, the roundness is good, the stress is uniform in the press-fitting process, and the forming effect is good.

Description

Technical Field

[0001] The utility model relates to the field of motor assembly, in particular to a block-type iron core press-assembly device. Background Art

[0002] When assembling the servo motor, the iron core needs to be pressed into the heated casing through a press-fitting device. The block-type iron core is composed of multiple connected arc iron core blocks. Compared with the integral iron core, the assembly process of the block-type iron core is more complicated. Since the block-type iron core is composed of blocks, there are gaps between the blocks. The outer edge of the block-type iron core may not meet the standard roundness of the press-fitting. When pressing into the casing, it is easy to have problems such as difficulty in alignment and inconsistent press-fitting depth. Utility Model Content

[0003] In order to achieve the above purpose and other purposes, the utility model is implemented through the following technical scheme: a block-type iron core pressing device, including: a base; a mounting frame, the mounting frame is fixedly mounted on the base; a press, the press is mounted on the upper end of the mounting frame; a mold sleeve, the mold sleeve is mounted on the mounting frame and is located below the press; a positioning plate, the positioning plate is slidably mounted on the base; and a guide cover, the guide cover is placed on the positioning plate, and the upper end is against the mold sleeve.

[0004] In one embodiment, the press-fitting device further comprises a positioning bar, and the positioning bar is embedded and installed on the inner side of the mold sleeve.

[0005] In one embodiment, the press-fitting device further comprises a guide bar, and the guide bar is fixedly mounted on the positioning plate.

[0006] In one embodiment, the housing is placed on the positioning plate, and the guide bars clamp the housing for positioning.

[0007] In one embodiment, a slide rail is installed on the base, and the positioning plate is slidably installed on the slide rail.

[0008] In one embodiment, a groove corresponding to the positioning strip is formed on the press.

[0009] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art: the utility model realizes pre-positioning of the block-type iron core, has good roundness, is evenly stressed during the press-fitting process, and has good forming effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 Shown is a schematic diagram of the utility model;

[0011] Figure 2 Shown is a cross-sectional view of the utility model;

[0012] Figure 3 Shown is a schematic diagram of a block-type iron core of the utility model;

[0013] Figure 4 Shown is a top view of the utility model;

[0014] Figure 5 Shown is a schematic diagram of the mold sleeve and positioning strip of the utility model.

[0015] 1-pressing device; 11-base; 111-slide rail; 12-mounting frame; 121-first partition; 122-second partition; 123-third partition; 13-pressing machine; 131-driving structure; 132-push rod; 133-pressing head; 14-mold sleeve; 141-positioning bar; 15-positioning plate; 151-guide bar; 16-guide cover; 2-block core; 21-core block; 211-groove; 212-joining part; 3-casing; 4-hoop. DETAILED DESCRIPTION

[0016] See also Figures 1 to 5 The following describes the implementation of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0017] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for the understanding and reading of those skilled in the art, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship, or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical contents disclosed by the utility model. At the same time, the terms such as "left", "right", "up", "down", and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of the relative relationship, without substantially changing the technical content, should also be regarded as the scope of the implementation of the utility model.

[0018] Please combine Figure 1 and Figure 2 A block core press-fitting device 1 is used in the field of servo motor stator press-fitting to press a block core 2 into a housing 3.

[0019] The press-fitting device 1 includes a base 11, a mounting frame 12, a press 13, a die sleeve 14, a positioning plate 15 and a guide cover 16. The mounting frame 12 is fixedly mounted on the base 11, and the press 13 is mounted on the upper end surface of the mounting frame 12. The press 13 is used to press the iron core 2 into the casing 3; the die sleeve 14 is mounted on the mounting frame 12, located below the press 13, and is used to position the iron core 2; the positioning plate 15 is mounted on the base 11, and the casing 3 is placed on the positioning plate 15; the guide cover 16 is sleeved on the outside of the casing 3, the upper end of the guide cover 16 abuts against the die sleeve 14, the lower end abuts against the positioning plate 15, and the inner side of the guide cover 16 abuts against the casing 3.

[0020] like Figure 3 As shown, the block-type core 2 is composed of a plurality of circular arc core blocks 21. The outer side of the block-type core 2 is shaped by an embracing hoop 4. The outer side of the core block 21 is provided with a groove 211, and the groove 211 is used to position the block-type core 2 in the casing 3. Splicing parts 212 are respectively provided on both sides of the core block 21, and adjacent core blocks 21 are spliced ​​with each other through the splicing parts 212.

[0021] Please combine Figure 2 and Figure 4 The base 11 is provided with a slide rail 111 , and the positioning plate 15 is slidably mounted on the slide rail 111 , and the positioning plate 15 drives the housing 3 to slide.

[0022] Please combine Figure 1 and Figure 2 The mounting frame 12 is respectively installed with a first partition 121, a second partition 122 and a third partition 123 from top to bottom. The press 13 is installed on the first partition 121 and the second partition 122. The third partition 123 can be fixed in height or movably installed to drive the mold sleeve 14 to move up and down according to actual needs. The mold sleeve 14 is installed on the third partition 123.

[0023] The press 13 includes a driving structure 131, a push rod 132 and a pressing head 133. The driving structure 131 is installed on the first partition 121. The push rod 132 passes through the first partition 121 and the second partition 122. One end of the push rod 132 is connected to the driving structure 131, and the other end is connected to the pressing head 133. When the pressing head 133 is retracted, it presses against the second partition 122. The driving structure 131 drives the push rod 132 to extend, and the pressing head 133 moves toward the mold sleeve 14.

[0024] Specifically, the structure of the press 13 is not limited to the press product described in the present application, and the press 13 can be any press product available on the market.

[0025] Please combine Figure 2 and Figure 5 The inner side of the mold sleeve 14 is embedded with the positioning strip 141 , and the positioning strip 141 is used to position the block core 2 .

[0026] Specifically, please combine Figure 1 and Figure 2 The pressing head 133 is provided with a groove corresponding to the positioning strip 141 , so that the pressing head 133 can be pressed into the mold sleeve 14 .

[0027] Please combine Figure 1 and Figure 2 The guide bar 151 is fixedly mounted on the positioning plate 15 , and the guide bar 151 clamps the housing 3 to position the housing 3 .

[0028] The press-fitting method of the block-type iron core 2 using the press-fitting device 1 is as follows: the iron core blocks 21 are sequentially spliced ​​together to form the block-type iron core 2; the hoop 4 embraces the block-type iron core 2 and is placed on the mold sleeve 14; the lower end portion of the block-type iron core 2 enters the mold sleeve 14; the groove 211 fits with the positioning bar 141; the positioning plate 15 slides away from the bottom of the mold sleeve 14 along the slide rail 111; the housing 3 is placed on the positioning plate 15; the guide cover 16 is sleeved on the outside of the housing 3; the The positioning plate 15 slides back along the slide rail 111 to the bottom of the mold sleeve 14, the third partition plate 123 is lifted, the guide cover 16 is aligned with the mold sleeve 14, the third partition plate 123 is lowered, the press 13 is driven, the ram 133 removes the block core 2 from the clamp 4, presses it into the mold sleeve 14, and positions it through the positioning strip 141, presses the block core 2 into the casing 3, the ram 133 is retracted, and the positioning plate 15 is slid to take out the pressed block core 2 and the casing 3.

[0029] In summary, the utility model realizes pre-positioning of the block-type iron core, has good roundness, uniform force during the press-fitting process, and has good forming effect.

[0030] Therefore, the utility model effectively overcomes various shortcomings in the prior art and has a high industrial utilization value. The above embodiments are only illustrative of the principles and effects of the utility model, and are not used to limit the utility model. Anyone familiar with this technology can modify or change the above embodiments without violating the spirit and scope of the utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed by the utility model should still be covered by the claims of the utility model.

Claims

1. A block-type core press-fitting device, characterized in that: include: Base; A mounting frame, the mounting frame is fixedly mounted on the base; A press, the press being mounted on the upper end of the mounting frame; A die sleeve, the die sleeve is mounted on the mounting frame and is located below the press; A positioning plate, the positioning plate being slidably mounted on the base; A guide cover is placed on the positioning plate, with an upper end against the mold sleeve.

2. The block core press-fitting device according to claim 1, characterized in that: The press-fitting device also includes a positioning bar, which is embedded and installed on the inner side of the mold sleeve.

3. The block core press-fitting device according to claim 1, characterized in that: The press-fitting device further comprises a guide bar, and the guide bar is fixedly mounted on the positioning plate.

4. A block core press-fitting device according to claim 3, characterized in that: The casing is placed on the positioning plate, and the guide bars clamp the casing for positioning.

5. The block core press-fitting device according to claim 1, characterized in that: A slide rail is installed on the base, and the positioning plate is slidably installed on the slide rail.

6. The block core press-fitting device according to claim 2, characterized in that: The press is provided with a groove corresponding to the positioning strip.

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