Glass accessory assembling device

Abstract

The utility model relates to the technical field of glass accessory assembling, in particular to a glass accessory assembling device which comprises a positioning pin and a positioning die. The positioning mold comprises a positioning end face, a first positioning groove and a second positioning groove are formed in the positioning end face, a groove opening of the first positioning groove is used for being matched with an assembling hole of glass, and the second positioning groove is matched with the base; and the positioning pin is matched with the notch of the first positioning groove. The glass accessory assembling device provided by the utility model can ensure that the assembling precision between the base and the assembling hole meets the assembling requirement before injection molding.

Description

Technical Field

[0001] This utility model relates to the field of glass accessory assembly technology, and in particular to a glass accessory assembly device. Background Technology

[0002] With the increasing intelligence of automotive glass, more and more functional accessories are being embedded in the glass. The traditional installation method involves first fixing the base to the glass using moisture-curing or heat-curing adhesive, then embedding the accessory into the glass's mounting holes and locking it to the base to complete the installation. However, this method has poor precision, with significant positional deviations between the base and the mounting holes. This can lead to accessories failing to lock onto the base, or uneven gaps between the accessory and the mounting hole walls after locking.

[0003] Currently, in order to improve the assembly accuracy of accessories on glass, injection molding is usually used to form the base on the glass. However, in existing injection molds, the positioning reference of the base in the mold is inconsistent with the positioning reference on the glass, resulting in a positional deviation between the base and the assembly hole after injection molding. After the accessories are locked, problems such as stripping and a large height difference between the accessory surface and the glass surface will occur, causing the assembly accuracy of the glass product to fail to meet the assembly requirements. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a glass accessory assembly device that can ensure that the assembly accuracy between the base and the assembly hole meets the assembly requirements before injection molding.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a glass accessory assembly device, including a positioning pin and a positioning mold; the positioning mold has a positioning end face, and the positioning end face is provided with a first positioning groove and a second positioning groove, the groove opening of the first positioning groove is adapted to the assembly hole of the glass, and the second positioning groove is adapted to the base; the positioning pin is adapted to the groove opening of the first positioning groove.

[0006] Furthermore, the second positioning groove is an annular groove, and the second positioning groove surrounds the first positioning groove.

[0007] Furthermore, the centerline of the second positioning groove coincides with the centerline of the first positioning groove.

[0008] Furthermore, the positioning end face is provided with a plurality of second positioning grooves surrounding the first positioning groove.

[0009] Furthermore, a plurality of second positioning slots are distributed around the first positioning slot as the center.

[0010] Furthermore, the second positioning groove includes a sinking groove and a clearance groove disposed at the bottom of the sinking groove, wherein the width of the sinking groove is greater than the width of the clearance groove.

[0011] Furthermore, the maximum concentricity between the positioning pin and the first positioning groove is 0.05 mm.

[0012] Furthermore, the aforementioned glass accessory assembly device also includes a positioning fixture, which is provided with a positioning sleeve. The sidewall contour of the positioning sleeve is adapted to the assembly hole, and the positioning sleeve has a receiving cavity.

[0013] Furthermore, the accommodating area of ​​the accommodating cavity of the positioning sleeve gradually decreases along the insertion direction of the accessory.

[0014] Furthermore, the positioning sleeve is movably disposed on the positioning fixture in the vertical direction.

[0015] The beneficial effects of this invention are as follows: By adding a positioning mold to the injection mold, and using a second positioning groove to position the base, when the glass is placed into the injection mold, the assembly hole on the glass needs to be aligned with the first positioning groove. Since the shape of the first positioning groove matches the assembly hole on the glass, and the positioning pin matches the first positioning groove, the positioning pin can be inserted into the first positioning groove by passing through the assembly hole of the glass. If the positioning pin cannot be inserted into the first positioning groove, it indicates a relative positional deviation between the assembly hole on the glass and the base positioned on the positioning mold. The position of the glass in the injection mold needs to be readjusted until the positioning pin can be inserted into the first positioning groove after passing through the assembly hole. This ensures that the assembly accuracy between the base and the assembly hole meets the assembly requirements before injection molding, thereby guaranteeing processing quality. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the positioning structure of the glass on the positioning mold in a glass accessory assembly device proposed in this utility model;

[0017] Figure 2 This is a schematic diagram of the positioning sleeve positioning accessory of the glass accessory assembly device proposed in this utility model;

[0018] Figure 3 for Figure 2 Enlarged view of part A of a glass accessory assembly device.

[0019] Label Explanation:

[0020] 1. Positioning mold; 11. First positioning groove; 12. Second positioning groove; 121. Sinking groove; 122. Clearance groove;

[0021] 2. Positioning pin; 3. Positioning sleeve; 4. Base; 5. Glass; 6. Accessories. Detailed Implementation

[0022] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0023] Please refer to Figure 1 As shown, the present invention provides a glass accessory assembly device, including a positioning pin 2 and a positioning mold 1; the positioning mold 1 includes a positioning end face, on which a first positioning groove 11 and a second positioning groove 12 are provided, the groove opening of the first positioning groove 11 is adapted to the assembly hole of the glass 5, and the second positioning groove 12 is adapted to the base 4; the positioning pin 2 is adapted to the groove opening of the first positioning groove 11.

[0024] Working Principle: During the injection molding preparation process, the base 4 is first positioned on the positioning mold 1 via the second positioning groove 12. Then, the glass 5 is positioned and placed into the injection mold, aligning the mounting hole on the glass 5 with the first positioning groove 11. Next, the positioning pin 2 is passed through the mounting hole of the glass 5 and inserted into the first positioning groove 11. If the positioning pin 2 cannot be inserted into the first positioning groove 11, it indicates a positional deviation between the mounting hole on the glass 5 and the base 4 positioned on the positioning mold 1. The position of the glass 5 in the injection mold needs to be readjusted until the positioning pin 2 can be inserted into the first positioning groove 11 after passing through the mounting hole. This ensures that the assembly accuracy between the base 4 and the mounting hole meets the assembly requirements.

[0025] It is worth noting that the gap between the base 4 and the side wall of the second positioning groove 12 is less than or equal to 0.05mm. The fit between the groove opening of the first positioning groove 11 and the mounting hole of the glass 5 means that the shape and size of the groove opening of the first positioning groove 11 are the same as the shape and size of the mounting hole. Specifically, the dimensional tolerance of the groove opening of the first positioning groove 11 is the same as the dimensional tolerance of the mounting hole, or the dimensional tolerance of the groove opening of the first positioning groove 11 is ±0.05mm; the fit between the positioning pin 2 and the first positioning groove 11 means that the cross-sectional shape and size of the positioning pin 2 are the same as the shape and size of the groove opening of the first positioning groove 11. Specifically, the dimensional tolerance of the cross-sectional size of the positioning pin 2 is the same as the dimensional tolerance of the mounting hole, or the dimensional tolerance of the cross-sectional size of the positioning pin 2 is ±0.05mm; the maximum concentricity between the positioning pin 2 and the first positioning groove 11 is 0.05mm.

[0026] It should be noted that the positioning mold 1 can be part of the mold core of the injection mold, or it can be an external part that is positioned separately in the injection mold.

[0027] In some embodiments, the second positioning groove 12 is an annular groove surrounding the first positioning groove 11. Preferably, the center line of the second positioning groove 12 coincides with the center line of the first positioning groove 11. The annular shape of the second positioning groove 12 allows for installation of the accessory 6, where the base 4 has an annular structure.

[0028] It is worth noting that the coincidence of the center line of the second positioning groove 12 and the center line of the first positioning groove 11 means that the coaxiality between the two is 0.05mm.

[0029] In some embodiments, a plurality of second positioning grooves 12 are provided on the positioning end face, surrounding the first positioning groove 11. Preferably, the plurality of second positioning grooves 12 are distributed around the first positioning groove 11 with the first positioning groove 11 as the center. Providing a plurality of first positioning grooves 11 is suitable for the installation of accessories 6 that require multiple bases 4 for locking.

[0030] In some implementations, please refer to Figure 1 As shown, the second positioning groove 12 includes a recessed groove 121 and a clearance groove 122 disposed at the bottom of the recessed groove 121. The width of the recessed groove 121 is greater than the width of the clearance groove 122. During the positioning process of the base 4 in the second positioning groove 12, the recessed groove 121 supports the bottom end of the base 4, and the clearance groove 122 avoids the base 4, so that the base 4 can be properly placed into the second positioning groove 12 for positioning.

[0031] In some implementations, please refer to Figure 2 As shown, the aforementioned glass accessory assembly device further includes a positioning fixture (not shown in the figure). The positioning fixture has a positioning sleeve 3, the sidewall contour of which is adapted to the assembly hole, and the positioning sleeve 3 has a receiving cavity. After the base 4 is injection molded onto the glass 5, the glass 5 is placed on the positioning fixture for positioning, and the positioning sleeve 3 is inserted into the assembly hole of the glass 5. Then, the portion of the accessory 6 that needs to be embedded in the assembly hole is inserted into the receiving cavity of the positioning sleeve 3, so that the positioning sleeve 3 and the assembly hole form an interference fit, thereby ensuring the uniformity of the gap between the accessory 6 and the sidewall of the assembly hole. Next, the accessory 6 is locked to the base 4 on the positioning fixture, and finally, the glass 5 is separated from the positioning sleeve 3, completing the assembly of the accessory 6 onto the glass 5.

[0032] It is worth noting that the sidewall contour of the positioning sleeve 3 is compatible with the mounting hole, meaning that the shape and size of the sidewall contour of the positioning sleeve 3 are the same as the shape and size of the mounting hole. Specifically, the dimensional tolerance of the sidewall contour of the positioning sleeve 3 is ±0.3mm. It should also be noted that the positioning sleeve 3 is made of wear-resistant plastic to prevent scratches on the appearance of the glass 5. Specifically, the wear-resistant plastic can be a composite material composed of polydodecanoic acid (PA12) and glass fiber (GF), or it can be polyetherketone (PEK).

[0033] It should be further noted that the positioning fixture for positioning the glass can use multiple support blocks with support surfaces adapted to the curvature of the glass 5 surface to support the glass 5, and positioning posts to position the glass 5 on the support blocks. Alternatively, the positioning fixture for positioning the glass can use multiple support blocks with support surfaces adapted to the curvature of the glass 5 surface to support the glass 5, and the support surfaces of the support blocks have positioning blocks, with the positioning blocks on each support block forming the outer contour shape of the glass 5.

[0034] In some implementations, please refer to Figure 3 As shown, the accommodating area of ​​the cavity of the positioning sleeve 3 gradually decreases along the insertion direction of the accessory 6. This facilitates the gradual insertion of the accessory 6 into the accommodating cavity of the positioning sleeve 3.

[0035] In some embodiments, the positioning fixture is equipped with a linear reciprocating device (not shown in the figure) and a fixed bracket (not shown in the figure). The linear reciprocating device has a movable end that moves in the vertical direction. The positioning sleeve 3 is connected to the movable end of the linear reciprocating device, and the glass 5 is positioned on the fixed bracket. During installation, the glass 5 is positioned on the fixed bracket, and the linear reciprocating device drives the positioning sleeve 3 to move vertically toward the glass 5 so that the positioning sleeve 3 is inserted into the assembly hole of the glass 5.

[0036] It should be noted that the linear reciprocating device can be a pneumatic cylinder, hydraulic cylinder, electric cylinder, or other device with a reciprocating stroke. The fixed bracket has a contour-following positioning groove that matches the outer contour of the glass 5. The glass 5 is positioned on the fixed bracket through the contour-following positioning groove. Simultaneously, the fixed bracket is equipped with a clamping device, which secures the glass 5 within the contour-following positioning groove to ensure that the positioning sleeve 3 is smoothly inserted into the assembly hole of the glass 5. The clamping device can be a pneumatic cylinder, hydraulic cylinder, electric cylinder, or other device with a reciprocating stroke, which presses against the glass 5 with its movable end to fix the glass 5 in the contour-following positioning groove.

[0037] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A glass accessory assembly device, characterized in that: It includes a positioning pin and a positioning mold; the positioning mold includes a positioning end face. The positioning end face is provided with a first positioning groove and a second positioning groove. The opening of the first positioning groove is used to match the assembly hole of the glass, and the second positioning groove is matched with the base. The positioning pin is adapted to the slot of the first positioning groove.

2. The glass accessory assembly device according to claim 1, characterized in that: The second positioning groove is an annular groove, and the second positioning groove surrounds the first positioning groove.

3. The glass accessory assembly device according to claim 2, characterized in that: The centerline of the second positioning groove coincides with the centerline of the first positioning groove.

4. The glass accessory assembly device according to claim 1, characterized in that: The positioning end face is provided with a plurality of second positioning grooves surrounding the first positioning groove.

5. The glass accessory assembly device according to claim 4, characterized in that: Multiple second positioning slots are distributed around the first positioning slot, with the first positioning slot as the center.

6. The glass accessory assembly device according to claim 1, characterized in that: The second positioning groove includes a sink groove and a clearance groove disposed at the bottom of the sink groove, wherein the width of the sink groove is greater than the width of the clearance groove.

7. The glass accessory assembly device according to claim 1, characterized in that: The maximum concentricity between the positioning pin and the first positioning groove is 0.05 mm.

8. The glass accessory assembly device according to claim 1, characterized in that: It also includes a positioning fixture, which has a positioning sleeve. The sidewall contour of the positioning sleeve is adapted to the assembly hole, and the positioning sleeve has a receiving cavity.

9. The glass accessory assembly device according to claim 8, characterized in that: The accommodating area of ​​the accommodating cavity of the positioning sleeve gradually decreases along the insertion direction of the accessory.

10. The glass accessory assembly device according to claim 8, characterized in that: The positioning sleeve is movably mounted on the positioning fixture in the vertical direction.

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