Automobile electromagnetic coil assembling device

Abstract

The utility model provides a kind of automobile electromagnetic coil assembly equipment, comprising: machine table, the machine table has first station and second station, each station is provided with positioning jig, for the shell of electromagnetic coil, assembly module, it includes the portal frame erected on the machine table top, the portal frame is configured with lifting plate and the first lifting module of driving lifting plate vertical lifting, the coil press-fitting execution unit is set to the lifting plate on corresponding first station, for coil assembly press-fitting to shell, 0 type ring press-fitting execution unit is set to the lifting plate on corresponding second station, for 0 type ring press-fitting to shell. By the above-mentioned mode, the installation accuracy of coil assembly and O-ring is effectively ensured, and double-station synchronous press-fitting is realized, and work efficiency is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of coil assembly technology, and in particular to an automotive electromagnetic coil assembly device. Background Technology

[0002] Automotive electromagnetic coil 100 (e.g.) Figure 1 As a key component, the assembly quality of the coil assembly 120 directly affects the product performance and reliability. The assembly steps include precisely pressing the coil assembly 120 into the housing 110 and fitting the O-ring 130, which plays a sealing role, onto the outer edge of the coil assembly 120.

[0003] Traditional assembly methods rely heavily on manual labor. When manually pressing coils, it is difficult to ensure uniform force and angle, which can easily lead to pin damage or misalignment of the internal magnetic circuit structure of the coil. Furthermore, because O-rings are made of soft and elastic material, manual coiling is inefficient and can easily lead to twisting, detachment, or permanent deformation due to uneven stretching, resulting in seal failure, affecting product performance and consistency, and causing low yield and low assembly efficiency. Utility Model Content

[0004] To address the aforementioned problems, this invention proposes an automotive electromagnetic coil assembly device with a simple structure that effectively improves yield and assembly efficiency.

[0005] The main components of this utility model include: a machine base, which has a first workstation and a second workstation, and each workstation is equipped with a positioning fixture for mounting the housing of the electromagnetic coil. The assembly module includes a gantry frame mounted above the machine platform. The gantry frame is equipped with a lifting plate and a first lifting module that drives the lifting plate to move vertically. A coil pressing execution unit is provided on the lifting plate at a first work station for pressing coil assemblies into the housing. An O-ring pressing execution unit is provided on the lifting plate at a second work station for pressing O-rings into the housing.

[0006] Preferably, the coil pressing execution unit includes a material support and an execution component; The material support component includes a material support gripper and a lifting cylinder that drives the material support gripper to move vertically up and down. The lifting cylinder is fixed on the lifting plate, and the material support gripper is configured to open and close in the horizontal direction. The actuator includes a mounting rod and a mounting head. The mounting rod is fixed to the lower end face of the lifting plate, and the mounting head is disposed at the lower end of the mounting rod. The diameter of the mounting head is adapted to the inner diameter of the coil assembly, so that the coil assembly can be locked outside the mounting head.

[0007] Preferably, the clamping arms of the material support claws extend horizontally, and the adjacent inner sides of the two sets of clamping arms are provided with positioning grooves for conformal adaptation with the pins of the coil assembly.

[0008] Preferably, the actuator further includes a separating component, the separating component including a fixing plate fixed on the mounting sleeve rod, the lower end face of the fixing plate being connected to the separating plate via a connecting rod, the mounting sleeve head moving through the separating plate and protruding below the separating plate; a first spring is sleeved on the connecting rod, the two ends of the first spring respectively abutting against the fixing plate and the separating plate.

[0009] Preferably, the O-ring press-fitting unit includes a first sleeve, a second sleeve, and a third sleeve connected sequentially from top to bottom; The first sleeve is fixed to the lower end face of the lifting plate, and its interior is hollow and has a first limiting step; The upper end of the second sleeve is connected to a first movable rod. The upper end of the first movable rod extends into the first sleeve and is provided with a first locking block that is restricted on the first limiting step. A second spring is sleeved on the first movable rod, and the two ends of the second spring abut against the first limiting step and the second sleeve, respectively.

[0010] Preferably, the interior of the second sleeve is hollow and is provided with a second limiting step; The upper end of the third sleeve is connected to a second movable rod. The upper end of the second movable rod extends into the second sleeve and is provided with a second locking block that is restricted on the second limiting step. A third spring is sleeved on the second movable rod, and the two ends of the third spring abut against the second limiting step and the second sleeve, respectively.

[0011] Preferably, the outer wall of the second sleeve is provided with a limiting boss for engaging with the lower edge of the first sleeve; and the inner wall of the second sleeve is provided with an abutting boss for engaging with the upper end of the third sleeve.

[0012] Preferably, the lower part of the third sleeve protrudes from the second sleeve and can be raised and lowered relative to the second sleeve; the lower end of the third sleeve is provided with a positioning post for engaging with the central groove of the coil.

[0013] Preferably, the outer edge of the third sleeve is provided with an annular groove for placing an O-ring; in the initial state, the annular groove is located below the lower edge of the second sleeve.

[0014] Preferably, the lower outer edge of the third sleeve has a gradually expanding conical structure from the annular groove downwards, which is used to guide the O-ring to expand when it is disengaged.

[0015] The beneficial effects of this utility model are as follows: By integrating two execution units, coil pressing and O-ring pressing, and driving synchronous action by the first lifting module, the assembly of products at two workstations can be carried out simultaneously, effectively improving product assembly efficiency; the coil pressing unit effectively prevents the products from sticking after pressing through the cooperation of the separator and the first spring; the O-ring pressing unit achieves precise pre-positioning of the O-ring through the multi-stage linkage of the first, second, and third sleeves, combined with the positioning post and the annular groove; the conical expansion structure of the third sleeve guides the O-ring to expand and contract smoothly to the outer edge of the coil, avoiding O-ring twisting and damage, and ensuring proper installation. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of an automotive electromagnetic coil. Figure 2 This is a three-dimensional structural schematic diagram of a preferred embodiment; Figure 3 This is a three-dimensional structural diagram of the coil pressing execution unit in a preferred embodiment; Figure 4 This is a three-dimensional structural diagram of the O-ring press-fitting execution unit in a preferred embodiment; Figure 5 This is a cross-sectional structural diagram of the O-ring press-fitting execution unit in a preferred embodiment; Figure label: 1. Machine tool; 11. Positioning fixture; 2. Gantry frame; 3. Lifting platform; 4. First lifting module; 5. Coil pressing execution unit; 511. Material support gripper; 512. Lifting cylinder; 513. Clamping arm; 514. Positioning groove; 521. Mounting sleeve rod; 522. Mounting sleeve head; 523. O-ring; 531. Fixing plate; 532. Separation plate; 533. Connecting rod; 534. First spring; 6. O-ring press-fitting actuator; 61. First sleeve; 611. First limiting step; 62. Second sleeve; 621. Second limiting step; 622. Limiting boss; 623. Abutting boss; 63. Third sleeve; 631. Positioning pin; 632. Annular groove; 64. First movable rod; 641. First locking block; 65. Second spring; 66. Second movable rod; 661. Second locking block; 67. Third spring; 7. Displacement sensor; 8. Guide assembly; 81. Guide rod; 82. Guide sleeve; 100. Coil; 110. Housing; 120. Coil assembly; 130. O-ring. Detailed Implementation

[0017] The technical solution protected by this utility model will be described in detail below with reference to the accompanying drawings.

[0018] like Figure 1-2 As shown, this application proposes an automotive electromagnetic coil assembly device, which includes a machine base 1 and an assembly module mounted on the machine base 1. The machine base 1 is provided with a first station and a second station, each equipped with a positioning fixture 11 for fixing the housing 110 of the electromagnetic coil. After the coil assembly 120 and the housing 110 are assembled at the first station, the assembled housing and coil are manually transferred to the positioning fixture 11 at the second station for pressing in the O-rings 130.

[0019] like Figure 1-2 As shown, the assembly module includes a gantry frame 2, a lifting plate 3, and a first lifting module 4 that drives the lifting plate 3 to move vertically. A coil pressing execution unit 5 is provided on the lifting plate 3 at the first workstation, used to press the coil assembly 120 into the housing 110; an O-ring pressing execution unit 6 is provided at the second workstation, used to press the O-ring 130 onto the outer edge of the coil assembly 120. The first lifting module 4 can drive the two sets of execution units to move synchronously, realizing the simultaneous pressing of two sets of products, which can effectively improve work efficiency.

[0020] like Figure 1-3 As shown, the coil pressing execution unit 5 includes a material support component and an execution component. The material support component consists of a material support gripper 511 and a lifting cylinder 512 that drives the material support gripper 511 to move vertically. The lifting cylinder 512 is fixed on the lifting plate 3. The material support gripper 511 is configured to open and close in the horizontal direction, and its gripping arms 513 extend horizontally. Positioning grooves 514 are provided on the adjacent inner sides of the two sets of gripping arms 513. These positioning grooves 514 are adapted to the pins of the coil assembly 120. The coil assembly is lifted on the upper end face of the gripping arms 513, and its placement angle is accurately positioned by the relationship between the positioning grooves 514 and the pins, preventing pin deformation or misalignment and ensuring assembly accuracy.

[0021] like Figure 1-3 As shown, the actuator includes a mounting sleeve 521 and a mounting head 522. The mounting sleeve 521 is fixed to the lower end face of the lifting plate 3, and the mounting head 522 is located at the lower end of the mounting sleeve 521. Its diameter is adapted to the inner diameter of the coil assembly, so that the coil assembly can be stably locked onto the outside of the mounting head 522. When the material support rises, it presses the coil assembly upward onto the outside of the mounting head 522, and then the clamping arm 513 of the material support claw 511 opens to press the coil assembly downward. Preferably, a rubber O-ring 523 is fitted on the mounting head 522 to increase the friction between the mounting head 522 and the coil assembly and improve the locking stability of the coil assembly.

[0022] like Figure 1-3As shown, the coil pressing execution unit 5 further includes a separating component, which includes a fixed plate 531, a connecting rod 533, and a separating plate 532. The fixed plate 531 is fixed to the mounting sleeve rod 521, and its lower end face is connected to the separating plate 532 through the connecting rod 533. The mounting sleeve head 522 moves through the separating plate 532 and protrudes below the separating plate 532. A first spring 534 is sleeved on the connecting rod 533, and the two ends of the first spring 534 abut against the fixed plate 531 and the separating plate 532, respectively. During the pressing process, the separating plate 532 first contacts the upper end face of the housing. As the lifting plate 3 continues to descend, the first spring 534 is compressed, and the mounting sleeve head 522 moves downward relative to the separating plate, pressing the coil assembly into the housing. After the pressing is completed, the lifting plate 3 rises, the first spring 534 slowly releases and exerts downward pressure on the separating plate 532. When the separating plate 532 is still pressing against the housing, the mounting sleeve head 522 rises and separates from the O-ring assembly.

[0023] like Figure 1-5 As shown, the O-ring pressing unit 6 includes a first sleeve 61, a second sleeve 62 and a third sleeve 63 connected sequentially from top to bottom, for pressing O-rings onto the outer edge of the coil assembly.

[0024] like Figure 1-5 As shown, the first sleeve 61 is fixed to the lower end face of the lifting plate 3. Its interior is hollow and has an inwardly protruding first limiting step 611. The upper end of the second sleeve 62 is connected to a first movable rod 64. The upper end of the first movable rod 64 extends into the first sleeve 61 and has a first locking block 641, which can be locked onto the first limiting step 611 to prevent the first movable rod 64 from disengaging. A second spring 65 is circumferentially sleeved on the first movable rod 66. The two ends of the second spring 65 are confined between the first limiting step 611 and the second sleeve 62. This structure allows relative movement between the first sleeve 61 and the second sleeve 62, and provides buffering and restoring force through the second spring 65.

[0025] like Figure 4-5 As shown, the interior of the second sleeve 62 is also hollow and has an inwardly protruding second limiting step 621. The upper end of the third sleeve 63 is connected to a second movable rod 66. The upper end of the second movable rod 66 extends into the second sleeve 62 and has a second locking block 661, which can be correspondingly locked onto the second limiting step 621 to prevent the second movable rod 66 from disengaging. A third spring 67 is circumferentially sleeved on the second movable rod 66, and both ends of the third spring 67 are constrained between the second limiting step 621 and the third sleeve 63. This structure allows relative movement between the second sleeve 62 and the third sleeve 63 to push the O-ring out circumferentially from the third sleeve 63.

[0026] like Figure 4-5As shown, the lower part of the third sleeve 63 protrudes beyond the lower edge of the second sleeve 62 and can move up and down along the inner wall of the second sleeve 62. A downwardly protruding positioning post 631 is provided at the center of the lower end of the third sleeve 63. The positioning post 631 is used to mate with the groove in the center of the coil, accurately positioning the coil before pressing and preventing assembly misalignment. An annular groove 632 is provided on the outer edge of the third sleeve 63, and the O-ring is manually placed onto the annular groove 632. In the initial state (when the third spring 67 is not compressed), the annular groove 632 is located below the lower edge of the second sleeve 62, facilitating the placement of the O-ring and subsequent pressing.

[0027] like Figure 4-5 As shown, the lower part of the third sleeve 63 gradually increases in diameter from the annular groove 632 downwards, forming a gradually expanding conical structure. The bottom diameter of the third sleeve 63 is slightly larger than the outer diameter of the coil assembly, so that the O-ring gradually expands when it is detached from the third sleeve 63 downwards, making it easier to put the O-ring on the coil and avoiding the O-ring from being twisted or damaged during the pressing process.

[0028] like Figure 4-5 As shown, the outer wall of the second sleeve 62 is provided with an outwardly protruding limiting boss 622, which is used to cooperate with the lower edge of the first sleeve 61 to limit the relative displacement of the first sleeve 61 and the second sleeve 62. The inner wall of the second sleeve 62 is provided with an abutting boss 623, which is located below the second limiting step 621 and is used to cooperate with the upper end of the third sleeve 63.

[0029] The O-ring pressing process is as follows: The first lifting module 4 drives the lifting plate 3 to move downwards. The first sleeve 61, the second sleeve 62, and the third sleeve 63 all move downwards. The positioning post of the third sleeve 63 inserts into the groove in the center of the coil, achieving initial positioning. When the positioning post 631 of the third sleeve 63 abuts against the coil assembly and the third sleeve 63 stops moving downwards, the first sleeve 61 and the second sleeve 62 continue to move downwards. Then, the second spring 65 and the third spring 67 begin to compress, and the second sleeve 62 and the third sleeve 63 move relative to each other. The lower edge of the second sleeve 62 pushes the O-ring downwards. The O-ring expands along the conical outer edge of the third sleeve 63 and gradually moves downwards. When the O-ring is completely detached from the third sleeve 63, its diameter is slightly larger than the coil diameter. The O-ring contracts and is fitted over the coil. Then, the first sleeve 61 continues to move downwards, with its lower edge abutting against the limiting boss 622. The abutting boss 623 inside the second sleeve 62 abuts against the upper end of the third sleeve 63. The lower edge of the second sleeve 62 applies a stable downward pressure to the O-ring, ensuring that the O-ring is pressed into place to the required depth. After pressing, the first lifting module 4 drives the lifting plate 3 to rise. During the rise, the second spring 65 and the third spring 67 are gradually and slowly released to ensure that each sleeve rises smoothly, avoiding sudden movement that could cause product displacement or damage.

[0030] like Figure 2 As shown, furthermore, a displacement sensor 7 is also installed on the machine base 1, and a corresponding target object (such as a detection column) is installed on the lifting plate 3 for detection by the displacement sensor 7. The displacement sensor 7 detects the displacement of the target object in real time, thereby determining the lifting amount of the lifting plate 3. This data is fed back to the control system to ensure that the pressing depth accurately matches the height when the pressing is in place, improving pressing consistency and product quality.

[0031] The first lifting module 4 drives the two sets of execution units to move synchronously, enabling the first and second workstations to perform pressing operations simultaneously, effectively shortening the assembly cycle and improving work efficiency. In a specific embodiment, the first lifting module may include a servo motor module.

[0032] like Figure 2 As shown, preferably, a guide assembly 8 is provided between the lifting plate 3 and the gantry frame 2 to improve the stability of the lifting plate 3 during vertical lifting. Specifically, the guide assembly 8 includes a guide sleeve 82 disposed on the gantry frame 2 and a guide rod 81 fixed on the lifting plate 3, the guide rod 81 being movably inserted into the guide sleeve 82.

[0033] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An automotive electromagnetic coil assembly device, characterized in that, Mainly includes: The machine base (1) has a first station and a second station, and each station is equipped with a positioning fixture (11) for placing the housing of the electromagnetic coil. The assembly module includes a gantry (2) mounted on the machine base (1), a lifting plate (3) and a first lifting module (4) for driving the lifting plate (3) to move vertically up and down. A coil pressing execution unit (5) is provided on the lifting plate (3) at the first work position for pressing the coil assembly into the housing. An O-ring pressing execution unit (6) is provided on the lifting plate (3) at the second work position for pressing the O-ring into the housing.

2. The automotive electromagnetic coil assembly equipment according to claim 1, characterized in that, The coil pressing execution unit (5) includes a material support and an execution component; The material support component includes a material support claw (511) and a lifting cylinder (512) for driving the material support claw (511) to move vertically up and down. The lifting cylinder (512) is fixed on the lifting plate (3), and the material support claw (511) is configured to open and close in the horizontal direction. The actuator includes a mounting sleeve (521) and a mounting head (522). The mounting sleeve (521) is fixed to the lower end face of the lifting plate (3). The mounting head (522) is disposed at the lower end of the mounting sleeve (521). The diameter of the mounting head (522) is adapted to the inner diameter of the coil assembly, so that the coil assembly can be locked outside the mounting head (522).

3. The automotive electromagnetic coil assembly equipment according to claim 2, characterized in that, The clamping arms (513) of the material support claw (511) extend horizontally, and the adjacent inner sides of the two sets of clamping arms (513) are provided with positioning grooves (514) for conforming to the pins of the coil assembly.

4. The automotive electromagnetic coil assembly equipment according to claim 2, characterized in that, The coil pressing execution unit (5) further includes a separating component, which includes a fixing plate (531) fixed on the mounting sleeve (521). The lower end face of the fixing plate (531) is connected to a separating plate (532) via a connecting rod (533). The mounting sleeve (522) moves through the separating plate (532) and protrudes below the separating plate (532). A first spring (534) is sleeved on the connecting rod (533), and the two ends of the first spring (534) abut against the fixing plate (531) and the separating plate (532) respectively.

5. The automotive electromagnetic coil assembly equipment according to claim 1, characterized in that, The O-ring press-fitting unit (6) includes a first sleeve (61), a second sleeve (62) and a third sleeve (63) connected sequentially from top to bottom. The first sleeve (61) is fixed to the lower end face of the lifting plate (3), and its interior is hollow and has a first limiting step (611). The upper end of the second sleeve (62) is connected to a first movable rod (64). The upper end of the first movable rod (64) extends into the first sleeve (61) and is provided with a first locking block (641) that is restricted on the first limiting step (611). A second spring (65) is sleeved on the first movable rod (64). The two ends of the second spring (65) abut against the first limiting step (611) and the second sleeve (62) respectively.

6. The automotive electromagnetic coil assembly equipment according to claim 5, characterized in that, The interior of the second sleeve (62) is hollow and is provided with a second limiting step (621). The upper end of the third sleeve (63) is connected to a second movable rod (66). The upper end of the second movable rod (66) extends into the second sleeve (62) and is provided with a second locking block (661) that is restricted on the second limiting step (621). A third spring (67) is sleeved on the second movable rod (66). The two ends of the third spring (67) abut against the second limiting step (621) and the second sleeve (62) respectively.

7. The automotive electromagnetic coil assembly equipment according to claim 6, characterized in that, The outer wall of the second sleeve (62) is provided with a limiting boss (622) for cooperating with the lower edge of the first sleeve (61); the inner wall of the second sleeve (62) is provided with an abutting boss (623) for cooperating with the upper end of the third sleeve (63).

8. The automotive electromagnetic coil assembly equipment according to claim 6, characterized in that, The lower part of the third sleeve (63) protrudes from the second sleeve (62) and can be raised and lowered relative to the second sleeve (62); the lower end of the third sleeve (63) is provided with a positioning post (631) for cooperating with the central groove of the coil.

9. The automotive electromagnetic coil assembly equipment according to claim 8, characterized in that, The outer edge of the third sleeve (63) is provided with an annular groove (632) for placing an O-ring; in the initial state, the annular groove (632) is located below the lower edge of the second sleeve (62).

10. The automotive electromagnetic coil assembly equipment according to claim 9, characterized in that, The lower outer edge of the third sleeve (63) has a gradually expanding conical structure from the annular groove (632) downwards, which is used to guide the O-ring to expand when it is disengaged.

Images