A hub center cap assembly device and method

Abstract

A hub center cap assembly device includes a mounting plate, a guiding plate fixed on the mounting plate, a limiting seat fixed on the mounting plate, a mounting seat fixed on the guiding plate, a plurality of pressing claws distributed around the mounting seat, and a cylinder for driving the pressing claws; the guiding plate is in a circular ring shape, with a second through hole in the middle thereof, and an arc-shaped guiding surface is provided at the top edge of the second through hole. The pressing claw includes a pressing portion, a guiding portion, and a connecting portion. The pressing portion corresponds to the notch groove, the pressing portion is connected to the upper end of the guiding portion, the guiding portion is inclined, the outer side surface of the guiding portion contacts the guiding surface on the guiding plate, the lower end of the guiding portion is connected to the upper end of the connecting portion, the lower end of the connecting portion is connected to a collar, and the collar is fixed on the output shaft of the cylinder. In the present invention, the cylinder drives a plurality of pressing claws to move together. Through the guiding portion on the pressing claws, the pressing claws have downward and inward movements, so that the retaining plate at the edge of the aluminum plate cover can be bent inward, realizing the assembly of the center cap.

Description

Technical Field

[0001] The present invention relates to automotive parts, and in particular to a hub center cap assembly device and method. Background Art

[0002] An automotive hub center decorative cover is provided at the center of the hub to play a role in decorating the hub. Existing automotive hub decorative covers generally include a body and a decorative layer structure provided on the body. For example, a method for manufacturing a hub decorative cover with Chinese Patent Publication No. 107512097 includes the following steps: (1) preparing a PET sheet; (2) screen-printing a first color layer on the back of the PET sheet, the first color layer being a mixture of varnish and silver powder; (3) screen-printing a second color layer on the first color layer, the second color layer being an ink layer; (4) electroplating a logo pattern on the back of the PET sheet, and forming an electroplated layer in the area where the color layer is not screen-printed; (5) screen-printing a varnish layer on the second color layer; (6) screen-printing an adhesive layer on the varnish layer; (7) cutting the PET sheet; (8) thermoforming the PET sheet; (9) integrally molding the PET sheet and the base by in-mold injection molding. This kind of decorative cover has a complex structure and complicated manufacturing processes. Therefore, a center cap made of aluminum plate with a simpler structure appears on the market, achieving the decorative purpose through the decorative effect of the aluminum plate. The aluminum plate is combined with the body through a pressing piece, and the pressing piece needs to be bent during assembly to connect with the body; currently, there is no dedicated work, and the production efficiency is low. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a hub center cap assembly device and method to improve the assembly efficiency of the center cap.

[0004] To solve the above technical problems, the technical solution of the present invention is: a hub center cap assembling device, including a mounting plate, a guiding plate fixed on the mounting plate, a limiting seat fixed on the mounting plate, a mounting seat fixed on the guiding plate, a plurality of pressing claws distributed around the mounting seat, and a cylinder for driving the pressing claws; the mounting plate is annular, with a first through hole in the middle thereof; the guiding plate is annular, with a second through hole in the middle thereof, and an arc-shaped guiding surface is provided at the top edge of the second through hole. The limiting seat is annular, and an accommodating cavity is formed inside it. The guiding plate and the mounting seat are arranged in the accommodating cavity. The inner edge of the top of the limiting seat extends inwards to form a limiting plate, and the limiting plate encloses a third through hole, and the diameter of the third through hole is larger than the diameter of the center cap. The mounting seat includes a main body part and connecting ears provided at the edge of the main body part. The connecting ears are fixed on the guiding plate by bolts. A groove that fits the surface of the center cap is provided at the top of the main body part, and a surrounding edge is formed at the edge of the groove, and a plurality of notch grooves are provided on the surrounding edge. The pressing claw includes a pressing part, a guiding part, and a connecting part. The pressing part corresponds to the notch groove, and the pressing part is connected to the upper end of the guiding part. The guiding part is inclined, and the outer side surface of the guiding part contacts the guiding surface on the guiding plate. The lower end of the guiding part is connected to the upper end of the connecting part, and the lower end of the connecting part is connected to a collar. The collar is fixed on the output shaft of the cylinder. The present invention drives a plurality of pressing claws to move together through the cylinder. Through the guiding part on the pressing claws, the pressing claws have downward and inward movements, so that the retaining plate at the edge of the aluminum plate cover can be bent inwards, realizing the assembly of the center cap. This device has a simple structure, good reliability, and good consistency of the assembled products.

[0005] As an improvement, the mounting plate is fixed on the workbench through support columns, the cylinder is fixed at the bottom of the workbench, and the output shaft of the cylinder extends out of the top of the workbench.

[0006] As an improvement, side plates are provided at the top edge of the guiding plate, and the side plates and the top surface of the guiding plate enclose a limiting groove, and the connecting ears of the mounting seat are arranged in the limiting groove.

[0007] As an improvement, the outer surface of the main body part of the mounting seat is an inclined surface.

[0008] As an improvement, a protrusion is provided at the bottom surface of the main body part. The pressing claws enclose an accommodating space, and a compression spring is arranged in the accommodating space. The upper end of the compression spring abuts against the bottom of the main body part and is sleeved on the protrusion, and the lower end of the compression spring abuts against the collar.

[0009] As an improvement, a relief hole is provided on the limiting plate.

[0010] As an improvement, the lower end of the connecting part is connected to the collar through an arc-shaped bending section.

[0011] As an improvement, a positioning block extending towards the groove of the main body part is provided on one of the connecting ears.

[0012] Assembly method of the central cover of the present invention:

[0013] (1) Fit the body of the central cover with the aluminum plate cover. The stop plate on the edge of the aluminum plate cover is in a vertical state, and the position of the stop plate corresponds to the position of the notch groove.

[0014] (2) Invert the central cover and place it in the groove of the mounting seat.

[0015] (3) Start the cylinder. The output shaft of the cylinder moves downward to drive the pressure claw. When the pressure claw moves downward, under the action of the guiding part on the guiding plate, the pressing part contracts inward.

[0016] (4) The pressing part moves downward and inward to enter the notch groove and bend the stop plate inward.

[0017] (5) The aluminum plate cover and the body are fixed by the bent stop plate, and the assembly of the central cover is completed.

[0018] The beneficial effects brought by the present invention compared with the prior art are:

[0019] The cylinder drives multiple pressure claws to move together. Through the guiding part on the pressure claw, the pressure claw has downward and inward movements, so that the stop plate on the edge of the aluminum plate cover can be bent inward, realizing the assembly of the central cover. The device has a simple structure, good reliability, and good consistency of the assembled products. Description of the Drawings

[0020] Figure 1 It is a front three-dimensional view of the central cover.

[0021] Figure 2 It is a back three-dimensional view of the central cover.

[0022] Figure 3 It is an exploded view of the central cover.

[0023] Figure 4 It is a schematic structural diagram of the assembly device.

[0024] Figure 5 It is a partial cross-sectional view of the assembly device.

[0025] Figure 6 It is an exploded view of the assembly device.

[0026] Figure 7 It is a top view of the central cover on the mounting seat.

[0027] Figure 8 It is a schematic structural diagram of the mounting seat.

[0028] Figure 9 It is a schematic diagram of the pressing mechanism. Detailed Embodiments

[0029] The present invention will be further described below in conjunction with the accompanying drawings of the specification.

[0030] As Figures 1 to 3 shown, the center cover 1 of the present invention includes a plastic body 11 and an aluminum plate cover 12 covering the top of the plastic body 11. The plastic body 11 includes a spherical crown-shaped support cover and a plurality of card feet 112 evenly distributed in a circumferential manner at the bottom edge of the support cover 111. The edge of the support cover 111 extends downward to form an annular skirt 16, and the length of the extension of the skirt 16 is set as required. The aluminum plate cover 12 covers the support cover 111, and the shape of the aluminum plate cover 12 is similar to that of the support cover 111. After the two are assembled, the bottom surface of the aluminum plate cover 12 fits against the top surface of the support cover 111. The edge of the aluminum plate cover 12 is bent downward to form a flanging 13, and the flanging 13 can be integrally formed by stamping. The flanging 13 covers the outer side surface of the skirt 16. A plurality of circumferentially distributed stop plates 15 are extended and provided on the flanging 13. The stop plates 15 are provided at the bottom of the skirt 16, thereby locking the aluminum plate cover 12 and the support cover 111. A boss 14 is provided at the position between adjacent stop plates 15 at the bottom of the skirt 16, and the side surface of the boss 14 protrudes outside the flanging 13. When installing the wheel hub decorative cover, the inner wall of the wheel hub center groove does not contact the flanging 13 of the aluminum plate cover 12, thereby playing a role in protecting the aluminum plate cover 12. The card feet 112 correspond to the bosses 14 one by one, and the card feet 112 are provided inside the bosses 14 and connected to the bosses 14, so that the strength of the card feet 112 can be enhanced. The filter plate cover is provided with a LOGO, and the formation method of the LOGO can be by stamping or spraying.

[0031] As Figure 4 、 5As shown in the figure, a hub center cap assembly device includes a mounting plate 7, a guide plate 8 fixed on the mounting plate 7, a limit seat 4 fixed on the mounting plate 7, a mounting seat 9 fixed on the guide plate 8, a pressing mechanism, and a cylinder 2 arranged below the mounting plate 7 and used to drive the pressing mechanism. The mounting plate 7 is annular, with a first through hole 71 in the middle. The mounting plate 7 is fixed on the workbench through support columns, so that there is a certain displacement stroke between the mounting plate 7 and the workbench 3. The guide plate 8 is annular, with a second through hole 84 in the middle. The second through hole 84 is coaxial with the first through hole 71 and has the same diameter; an arc-shaped guide surface 83 is provided at the top edge of the second through hole 84; a side plate 81 is provided at the top edge of the guide plate 8, and the side plate 81 and the top surface of the guide plate 8 enclose a limit groove 82. The limit seat 4 is annular, and an accommodating cavity is formed inside it. The guide plate 8 and the mounting seat 9 are arranged in the accommodating cavity; the inner edge of the top of the limit seat 4 extends inward to form a limit plate 41, and the limit plate 41 encloses a third through hole 42. The diameter of the third through hole 42 is larger than the diameter of the center cap 1. An avoidance hole 43 is provided on the limit plate 41, which is used to allow a hand to reach into the third through hole to pick up and place the center cap 1; when the center cap 1 is placed on the mounting seat 9, the center cap 1 is exposed through the third through hole 42. As Figure 7 , 8 shown in the figure, the mounting seat 9 includes a main body part and connecting ears 96 arranged at the edge of the main body part. In this embodiment, there are three connecting ears 96 in total. The connecting ears 96 are arranged in the limit groove 82 and fixed on the guide plate 8 through bolts. A positioning block 97 extending towards the groove 93 of the main body part is provided on one of the connecting ears 96. The positioning block 97 is arranged between adjacent clamping feet 112 of the center cap for positioning, and the center cap 1 is accurately placed in the groove 93 through the positioning block 97; a groove 93 that fits the top surface of the center cap is provided at the top of the main body part. A surrounding edge 94 is formed at the edge of the groove 93, and a number of notch grooves 95 are provided on the surrounding edge 94, and the notch grooves 95 correspond to the stop plates on the center cap one by one; the outer surface of the main body part of the mounting seat 9 is an inclined surface for avoiding the pressing device.

[0032] As Figure 9As shown, the pressing mechanism includes a number of pressing claws 6 distributed around the mounting base 9. The pressing claws 6 correspond to the notch grooves 95 one by one. The upper part of the pressing mechanism passes through the first through hole and the second through hole, and the lower part of the pressing mechanism extends out of the mounting plate 7 and is connected to the output shaft of the cylinder 2. The pressing claw 6 includes a pressing portion 61, a guiding portion 62 and a connecting portion 63; the pressing portion 61 corresponds to the notch groove 95. In the normal state, the pressing portion 61 is located outside the notch groove 95. The pressing portion 61 is horizontally arranged, and the bottom surface of the pressing portion 61 is the pressing surface. The stop plate standing upright on the center cover is pressed and bent inward through the notch groove 95; the pressing portion 61 is connected to the upper end of the guiding portion 62. The guiding portion 62 is inclined. The outer side surface of the guiding portion 62 contacts the guiding surface 83 on the guiding plate 8. The upper end of the guiding portion 62 extends out around the outer side surface of the mounting base 9 after passing through the guiding surface 83; the lower end of the guiding portion 62 is connected to the upper end of the connecting portion 63. The lower end of the connecting portion 63 is connected to the ring sleeve 65 through an arc-shaped bending section 64. The arc-shaped bending section makes the connecting portion 63 have a certain elasticity.

[0033] As Figure 4 , 5 shown, the cylinder 2 is fixed to the bottom of the workbench 3. The output shaft of the cylinder 2 extends out of the top of the workbench 3. The ring sleeve 65 is sleeved on the output shaft of the cylinder 2. The cylinder 2 drives all the pressing claws 6 to move up and down through the ring sleeve 65. A protrusion 91 is provided on the bottom surface of the main body portion. The pressing claws 6 enclose an accommodating space. A compression spring 5 is provided in the accommodating space. The upper end of the compression spring 5 abuts against the bottom of the main body portion and is sleeved on the protrusion 91. The lower end of the compression spring 5 abuts against the ring sleeve 65; the compression spring 5 is used to enhance the pressing force of the cylinder 2.

[0034] The assembly method of the center cover of the present invention includes the following steps:

[0035] (1) Fit the body of the center cover with the aluminum plate cover. The stop plate on the edge of the aluminum plate cover is in a vertical state, and the position of the stop plate corresponds to the position of the notch groove 95;

[0036] (2) Invert the center cover and place it in the groove 93 of the mounting base 9;

[0037] (3) Start the cylinder 2. The output shaft of the cylinder 2 moves downward to drive the pressing claws 6. When the pressing claws 6 move downward, under the action of the guiding plate 8, the guiding portion 62 causes the pressing portion 61 to contract inward;

[0038] (4) The pressing portion 61 moves downward and inward into the notch groove 95 and bends the stop plate inward;

[0039] (5) The aluminum plate cover and the body are fixed through the bent stop plate, and the assembly of the center cover is completed.

[0040] In the present invention, a cylinder 2 drives a plurality of clamping jaws 6 to move together. Through the guiding portion 62 on the clamping jaw 6, the clamping jaw 6 has downward and inward movements, so that the retaining plate at the edge of the aluminum plate cover can be bent inward, realizing the assembly of the center cover. The device has a simple structure, good reliability, and good consistency of the assembled products.

Claims

1. A hub center cap assembly device, characterized in that: It includes a mounting plate, a guiding plate fixed on the mounting plate, a limiting seat fixed on the mounting plate, a mounting seat fixed on the guiding plate, a number of pressing claws distributed around the mounting seat, and a cylinder for driving the pressing claws; the mounting plate is in a circular ring shape, and there is a first through hole in the middle thereof; the guiding plate is in a circular ring shape, and there is a second through hole in the middle thereof. An arc-shaped guiding surface is provided at the top edge of the second through hole. The limiting seat is in a circular ring shape, and an accommodating cavity is formed inside it. The guiding plate and the mounting seat are arranged in the accommodating cavity. The inner edge of the top of the limiting seat extends inwards to form a limiting plate, and the limiting plate encloses a third through hole. The diameter of the third through hole is larger than the diameter of the center cover; the mounting seat includes a main body part and connecting ears provided at the edge of the main body part. The connecting ears are fixed on the guiding plate by bolts. A groove that fits the surface of the center cover is provided at the top of the main body part. A surrounding edge is formed at the edge of the groove, and a number of notch grooves are provided on the surrounding edge; the pressing claw includes a pressing part, a guiding part, and a connecting part. The pressing part corresponds to the notch groove. The pressing part is connected to the upper end of the guiding part. The guiding part is inclined. The outer side surface of the guiding part contacts the guiding surface on the guiding plate. The lower end of the guiding part is connected to the upper end of the connecting part. The lower end of the connecting part is connected to a collar. The collar is fixed on the output shaft of the cylinder; a side plate is provided at the top edge of the guiding plate. The side plate and the top surface of the guiding plate enclose a limiting groove. The connecting ears of the mounting seat are arranged in the limiting groove; a protrusion is provided at the bottom surface of the main body part. The pressing claws enclose an accommodating space. A compression spring is provided in the accommodating space. The upper end of the compression spring abuts against the bottom of the main body part and is sleeved on the protrusion. The lower end of the compression spring abuts against the collar.

2. The hub center cap assembly device according to claim 1, wherein: The mounting plate is fixed on the workbench through support columns. The cylinder is fixed at the bottom of the workbench, and the output shaft of the cylinder extends out of the top of the workbench.

3. The hub center cap assembly device according to claim 1, characterized in that: The outer surface of the main body part of the mounting seat is an inclined surface.

4. The hub center cap assembly device according to claim 1, characterized in that: Avoidance holes are provided on the limiting plate.

5. The hub center cap assembly device according to claim 1, characterized in that: The lower end of the connecting part is connected to the collar through an arc-shaped bending section.

6. The hub center cap assembly device according to claim 1, wherein: A positioning block extending towards the groove of the main body part is provided on one of the connecting ears.

7. An assembling method of the hub center cap assembling device as described in claim 1, characterized in that, It includes the following steps: (1) Fit the body of the center cover with the aluminum plate cover. The stop plate on the edge of the aluminum plate cover is in a vertical state, and the position of the stop plate corresponds to the position of the notch groove; (2) Invert the center cover and place it in the groove of the mounting seat; (3) Start the cylinder. The output shaft of the cylinder moves downward to drive the pressing claws. When the pressing claws move downward, under the action of the guiding plate, the guiding part causes the pressing part to contract inwards; (4) Move downward and inwards so that the pressing part enters the notch groove and bends the stop plate inwards; (5) The aluminum plate cover and the body are fixed through the bent stop plate, and the assembly of the center cover is completed.

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