CN219986768U - Armature press-fitting mechanism - Google Patents
Armature press-fitting mechanism Download PDFInfo
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- CN219986768U CN219986768U CN202321725768.6U CN202321725768U CN219986768U CN 219986768 U CN219986768 U CN 219986768U CN 202321725768 U CN202321725768 U CN 202321725768U CN 219986768 U CN219986768 U CN 219986768U
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- base
- armature
- spring
- connecting seat
- seat
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- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to an armature press-fitting mechanism, which comprises a base, a tool seat, a pressure head, a connecting seat and a plurality of limit bolts, wherein a mounting cavity is formed in the middle of the base, a base assembly is connected to the bottom surface of the mounting cavity, a plurality of first through holes are circumferentially formed in the tool seat, the middle of the inner wall of each first through hole is connected with a coaxial annular first protruding part, the head of each limit bolt is positioned in one of the first through holes, the lower end of each limit bolt is in threaded connection with the base assembly, each limit bolt is sleeved with a first spring, the upper end and the lower end of each first spring are respectively propped against the first protruding part and the base assembly, the top end of the base is connected with a driving cylinder, the connecting seat is connected with a driving cylinder piston rod and is positioned in the mounting cavity, the pressure head is connected to the bottom end of the connecting seat, the tool seat is used for clamping an armature shell, and the pressure head is used for clamping a mandrel coaxial with the armature shell on the tool seat; the technical problem that the mandrel is deformed due to overlarge pressure or uneven pressure of a pressing mechanism in the prior art is solved.
Description
Technical Field
The utility model relates to the technical field of armature production equipment, in particular to an armature press-fitting mechanism.
Background
The armature is a component which plays a key and pivotal role in the process of realizing the mutual conversion of mechanical energy and electric energy of the motor, and in the assembly process of the armature, the armature shell and the mandrel are generally assembled together, and the mandrel is ensured not to be stressed and deformed in the press mounting process, so that the mandrel is easily deformed by press mounting equipment with overlarge pressure or uneven pressure in some press mounting processes. For example, chinese patent CN209419446U discloses a dc motor armature wire inserting tool, and if the tool is used for assembling an armature housing and a mandrel, the mandrel may be deformed due to excessive pressure during assembly, resulting in lower qualification rate of armature products.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide an armature pressing mechanism capable of preventing the mandrel from deforming due to overlarge pressure or uneven pressure during pressing, so as to solve the technical problem that the pressing mechanism in the prior art causes the mandrel to deform due to overlarge pressure or uneven pressure.
In order to solve the technical problems, the utility model provides an armature press-mounting mechanism which comprises a base, a tool seat, a press head, a connecting seat and a plurality of limit bolts, wherein a mounting cavity is formed in the middle of the base, a base component is connected to the bottom surface of the mounting cavity, a plurality of first through holes are formed in the tool seat along the circumferential direction, a coaxial annular first protruding part is connected to the middle of the inner wall of each first through hole, the head of each limit bolt is positioned in one of the first through holes and above the first protruding part, the lower end of each limit bolt is in threaded connection with the base component, a first spring is sleeved on each limit bolt, the upper end and the lower end of each first spring are respectively propped against the first protruding part and the base component, a driving cylinder is connected to the top end of the base, the connecting seat is connected with a driving cylinder rod and is positioned in the mounting cavity, the press head is connected to the bottom end of the connecting seat, the tool seat is used for clamping an armature shell, and the press head is used for clamping a mandrel coaxial with the armature shell on the tool seat.
After adopting the structure, the armature press-fitting mechanism has the following advantages: during press fitting, the armature shell is clamped on the tool holder, the mandrel is clamped on the press head, the press head is driven by the driving air cylinder to descend for press fitting, the first spring is arranged between the tool holder and the base assembly along the circumferential direction, floating type limiting is achieved, when the press head is pressed on the tool holder, the first spring is used for buffering the pressing head downward pressure, the impact of the pressure on the mandrel is greatly reduced, the first spring distributed in the circumferential direction enables the pressure distribution to be uniform, and therefore deformation of the mandrel caused by overlarge or uneven pressure during press fitting is prevented, and the qualification rate of armature products is improved.
As an improvement, the upper end surface of the base assembly is provided with a plurality of limiting holes along the circumferential direction, each limiting hole is coaxially arranged with one of the limiting bolts, and the lower end of the first spring is propped against the bottom surface of the limiting hole; by adopting the structure, the first spring is radially limited by the limiting hole, and the first spring is prevented from being separated from the base assembly.
As an improvement, a plurality of guide posts are connected to the base component, the guide posts are vertically arranged, and the upper ends of the guide posts are in sliding connection with the tool seat; by adopting the structure, the guide column plays a role in guiding the tool seat to float up and down, so that the overall stability is improved, and meanwhile, the pressure distribution is further uniform.
As an improvement, a plurality of second through holes are formed in the connecting seat along the circumferential direction, limiting rods are connected in each second through hole in a sliding manner, second protruding parts are connected on the peripheral walls of the upper end and the lower end of each limiting rod along the circumferential direction, the diameters of the second protruding parts are larger than those of the second through holes, each limiting rod is sleeved with a second spring, the upper end and the lower end of each second spring are respectively propped against the connecting seat and the second protruding parts located below, and the projection of each limiting rod in the vertical direction is fallen on the tool seat; by adopting the structure, the limiting rod and the second spring are arranged, the second spring is used for sharing the downward pressure of the driving cylinder when the pressure head is pressed down, so that the pressure on the tool seat is balanced, the service life of the tool seat is prolonged, and meanwhile, the mandrel is further prevented from being bent.
As an improvement, a guide rail which is vertically arranged is connected on the vertical side wall of the installation cavity, a sliding block is connected on the connecting seat, and the sliding block is connected on the guide rail in a sliding way; by adopting the structure, the stability of the movement of the connecting seat and the pressure head is improved.
As an improvement, the base assembly comprises a first base, a second base and a third base, wherein the first base is fixedly connected to the bottom surface of the mounting cavity, the second base is fixedly connected to the upper end surface of the first base, the section of the third base is circular and is fixedly connected to the upper end surface of the second base, and the lower end of each limit bolt is in threaded connection with the third base.
As an improvement, the base assembly further comprises a plurality of fixing blocks, wherein the fixing blocks are fixedly connected to the upper end face of the first base and are arranged along the circumferential direction of the second base, and each fixing block is fixedly connected with the side wall of the second base; by adopting the structure, the stability of connection between the first base and the second base is improved through the fixing block.
Drawings
Fig. 1 is a schematic perspective view of the whole structure in the present utility model.
Fig. 2 is a partial enlarged view of the portion a in fig. 1.
Fig. 3 is a top view of a tooling seat and base assembly portion of the present utility model.
FIG. 4 is a cross-sectional view of a portion of a tool holder and base assembly of the present utility model.
Fig. 5 is a schematic structural view of a stop lever portion according to the present utility model.
Reference numerals: 1. a base; 2. a tool seat; 3. a pressure head; 4. a connecting seat; 5. a limit bolt; 6. a mounting cavity; 7. a base assembly; 71. a first base; 72. a second base; 73. a third base; 74. a fixed block; 8. a first through hole; 9. a first protrusion; 10. a first spring; 11. a driving cylinder; 12. a limiting hole; 13. a guide post; 14. a second through hole; 15. a limit rod; 16. a second protruding portion; 17. a second spring; 18. a guide rail; 19. a sliding block.
Detailed Description
The following describes an armature press-fitting mechanism in detail with reference to the drawings.
As shown in fig. 1 to 5, an armature press-fitting mechanism comprises a base 1, a tool holder 2, a press head 3, a connecting seat 4 and a plurality of limit bolts 5, wherein a mounting cavity 6 is arranged in the middle of the base 1, the mounting cavity 6 penetrates through the left end face and the right end face of the base 1 along the horizontal direction, a base assembly 7 is connected to the bottom surface of the mounting cavity 6, the base assembly 7 comprises a first base 71, a second base 72, a third base 73 and a plurality of fixing blocks 74, the first base 71 is fixedly connected to the bottom surface of the mounting cavity 6 through bolts, the second base 72 is fixedly connected to the upper end face of the first base 71 through bolts, the section of the third base 73 is round and is fixedly connected to the upper end face of the second base 72 through bolts, and as shown in fig. 3, the fixing blocks 74 are fixedly connected to the upper end face of the first base 71 through bolts and are circumferentially arranged along the second base 72, and each fixing block 74 is fixedly connected to the side wall of the second base 72 through bolts; in this embodiment, the fixing blocks 74 are provided in common in two and on two adjacent side walls of the second base 72.
As shown in fig. 3 and 4, a plurality of first through holes 8 are circumferentially arranged on the tool seat 2, the middle part of the inner wall of each first through hole 8 is connected with a coaxial annular first protruding part 9, the head part of each limit bolt 5 is positioned in one of the first through holes 8 and above the first protruding part 9, the lower end of each limit bolt 5 passes through the inner hole of the first protruding part 9 and then is in threaded connection with the base assembly 7, namely, the lower end of each limit bolt 5 is in threaded connection with the third base 73; the upper end surface of the base assembly 7 is provided with a plurality of limiting holes 12 along the circumferential direction, each limiting hole 12 is coaxially arranged with one of the limiting bolts 5 respectively, namely, the limiting holes 12 are arranged on the third base 73, each limiting bolt 5 is sleeved with a first spring 10, the upper end and the lower end of the first spring 10 are respectively propped against the first protruding part 9 and the base assembly 7, wherein the upper end of the first spring 10 is propped against the bottom surface of the first protruding part 9, and the lower end of the first spring 10 is propped against the bottom surface of the limiting hole 12; in this embodiment, the number of the limit bolts 5, the first through holes 8, the first protruding portions 9 and the first springs 10 is four, wherein the first through holes 8 are distributed on the tool holder 2 in a rectangular shape, i.e. the shape surrounded by virtual connecting lines at the centers of adjacent first through holes 8 is rectangular.
As shown in fig. 1, the top end of the stand 1 is connected with a driving cylinder 11, the connecting seat 4 is connected with a piston rod of the driving cylinder 11 and is positioned in the mounting cavity 6, therefore, the piston rod of the driving cylinder 11 passes through the top end of the stand 1 and stretches into the mounting cavity 6, the pressure head 3 is connected with the bottom end of the connecting seat 4, the base component 7 is connected with a plurality of guide posts 13, the guide posts 13 are vertically arranged, and the upper ends of the guide posts 13 are in sliding connection with the tool seat 2; as shown in fig. 1 and 5, a plurality of second through holes 14 are circumferentially arranged on the connecting seat 4, in this embodiment, four second through holes 14 are distributed in a rectangular shape and circumferentially surround the pressing head 3, each second through hole 14 is internally and slidably connected with a limiting rod 15, the outer circumferential walls of the upper end and the lower end of each limiting rod 15 are circumferentially connected with a second protruding part 16, the diameter of each second protruding part 16 is larger than that of each second through hole 14, each limiting rod 15 is sleeved with a second spring 17, the upper end and the lower end of each second spring 17 are respectively propped against the connecting seat 4 and the second protruding part 16 positioned below, wherein the upper end of each second spring 17 is propped against the bottom surface of the connecting seat 4, the lower end of each second spring 17 is propped against the top end of the second protruding part 16 positioned below, and the projection of each limiting rod 15 in the vertical direction falls on the tool seat 2; the vertical side wall of the installation cavity 6 is connected with a guide rail 18 which is vertically arranged, the connecting seat 4 is connected with a sliding block 19, and the sliding block 19 is slidably connected on the guide rail 18.
As shown in fig. 1, the tool holder 2 is used for clamping an armature housing, the press head 3 is used for clamping a mandrel coaxial with the armature housing on the tool holder 2, and the clamping of the armature housing and the mandrel can be performed by using a three-jaw or four-jaw chuck, and the specific structure of the tool holder is the prior art and will not be described herein. During press fitting, the driving cylinder 11 drives the pressing head 3 to press down, the four limiting rods 15 are propped against the tool seat 2, at the moment, the second springs 17 and the first springs 10 are compressed, the second springs 17 distribute the pressing force of the driving cylinder 11, the pressure on the tool seat 2 is balanced, the service life of the tool seat 2 is prolonged, the mandrel in a product is prevented from being bent, the tool seat 2 is limited in a floating mode by the aid of the first springs 10, impact of the driving cylinder 11 on the tool seat 2 is buffered, the mandrel is greatly protected, the product quality is improved, and meanwhile the use requirement of the product is also guaranteed.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above-described one embodiment, and all other examples obtained by those skilled in the art without making any inventive effort are within the scope of the present utility model.
Claims (7)
1. The utility model provides an armature pressure equipment mechanism, its characterized in that includes frame (1), frock seat (2), pressure head (3), connecting seat (4) and a plurality of limit bolt (5), frame (1) middle part is equipped with installation cavity (6), be connected with base subassembly (7) on installation cavity (6) bottom surface, be equipped with a plurality of first through-holes (8) along circumference on frock seat (2), every first through-hole (8) inner wall middle part all is connected with coaxial annular first protruding portion (9), every limit bolt (5) head is located one of them first through-hole (8) and is located first protruding portion (9) top, every limit bolt (5) lower extreme with base subassembly (7) threaded connection has all cup jointed first spring (10) on each limit bolt (5), both ends respectively with first protruding portion (9) and base subassembly (7) are supported down on first spring (10), frame (1) top is connected with 11) and is located in connecting seat (4) are connected with cylinder (4) the drive connecting seat (4) is used for connecting the piston rod (2), the pressing head (3) is used for clamping a mandrel coaxial with the armature shell on the tool seat (2).
2. An armature press-fitting mechanism according to claim 1, wherein a plurality of limiting holes (12) are formed in the upper end face of the base assembly (7) along the circumferential direction, each limiting hole (12) is coaxially arranged with one of the limiting bolts (5), and the lower end of the first spring (10) abuts against the bottom face of each limiting hole (12).
3. An armature press-fitting mechanism according to claim 1, characterized in that the base assembly (7) is connected with a plurality of guide posts (13), the guide posts (13) are vertically arranged, and the upper ends of the guide posts (13) are in sliding connection with the tool holder (2).
4. The armature press-fitting mechanism according to claim 1, wherein a plurality of second through holes (14) are formed in the connecting seat (4) along the circumferential direction, limiting rods (15) are slidably connected in each second through hole (14), second protruding portions (16) are circumferentially connected to the peripheral walls of the upper end and the lower end of each limiting rod (15), the diameter of each second protruding portion (16) is larger than that of each second through hole (14), a second spring (17) is sleeved on each limiting rod (15), the upper end and the lower end of each second spring (17) are respectively abutted against the connecting seat (4) and the second protruding portions (16) located below, and the projection of each limiting rod (15) in the vertical direction is located on the tool seat (2).
5. An armature press-fitting mechanism according to claim 4, characterized in that a vertically arranged guide rail (18) is connected to the vertical side wall of the mounting cavity (6), a slider (19) is connected to the connecting seat (4), and the slider (19) is slidably connected to the guide rail (18).
6. An armature press-fitting mechanism according to claim 1, wherein the base assembly (7) comprises a first base (71), a second base (72) and a third base (73), the first base (71) is fixedly connected to the bottom surface of the mounting cavity (6), the second base (72) is fixedly connected to the upper end surface of the first base (71), the third base (73) is circular in cross section and is fixedly connected to the upper end surface of the second base (72), and the lower end of each limit bolt (5) is in threaded connection with the third base (73).
7. The armature press-fitting mechanism according to claim 6, wherein the base assembly (7) further comprises a plurality of fixing blocks (74), the plurality of fixing blocks (74) are fixedly connected to the upper end face of the first base (71) and circumferentially arranged along the second base (72), and each fixing block (74) is fixedly connected to the side wall of the second base (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321725768.6U CN219986768U (en) | 2023-07-04 | 2023-07-04 | Armature press-fitting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321725768.6U CN219986768U (en) | 2023-07-04 | 2023-07-04 | Armature press-fitting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219986768U true CN219986768U (en) | 2023-11-10 |
Family
ID=88608776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321725768.6U Active CN219986768U (en) | 2023-07-04 | 2023-07-04 | Armature press-fitting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219986768U (en) |
-
2023
- 2023-07-04 CN CN202321725768.6U patent/CN219986768U/en active Active
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