A fitting and holding jig

Abstract

The utility model discloses a kind of fitting pressure maintaining jigs, for fitting to upper product and lower product, comprising: upper jig, its bottom end is provided with the suction disc for adsorbing upper product;Lower jig, spring positioning mechanism for positioning and installing lower product is set on it;Multiple interval adjusting components, it is set to lower jig peripheral side, the interval adjusting component includes lifting seat and driving part, fine adjustment the driving part drives lifting seat lifting;Several magnetic force seats, the magnetic force seat is fixedly arranged on lifting seat, the upper jig is attracted by magnetic force seat with lower jig and keeps height interval.The utility model is characterized in that by interval adjusting component, the height interval between upper jig and lower jig can be accurately adjusted, so that upper product and lower product keep height intermittent fitting and pressure maintaining, so as to maintain the height difference of upper product and lower product, after glue solidification upper product and lower product still keep original position, prevent dropping piece.

Description

Technical Field

[0001] This utility model relates to the field of pressure-holding fixture technology, and in particular to a fitting pressure-holding fixture. Background Technology

[0002] Traditional pressure-holding bonding involves a relatively simple method of bonding the upper and lower products: surface-to-surface bonding. Taking automotive screens as an example, some automotive screens have two-tiered displays, with the upper display being the upper product and the lower display being the lower product. During bonding, the edges of the upper and lower products are bonded with structural adhesive, which typically requires more than 30 minutes to cure. Because existing fixtures directly support the upper product with the lower product, there is no height gap between them. After the vacuum in the fixture is released, the upper product is prone to falling off, making it impossible to maintain a constant height difference between the upper and lower products. Furthermore, most pressure-holding fixtures on the market use external product positioning mechanisms, which can easily lead to product misalignment after fixture displacement.

[0003] Referring to the pressure-holding fixture of patent CN112443546A, it includes a first fixture and a second fixture. A first magnetic element is provided on the first fixture, and a second magnetic element is provided on the second fixture. The first and second magnetic elements are attracted to each other to assemble the first and second fixtures into a pressure-holding fixture, forming a storage space between the first front surface of the first fixture and the second front surface of the second fixture. Generally, an upper product is fixedly installed at the bottom of the first fixture, and a lower product is fixedly installed on the second fixture. After the first and second fixtures are molded together, the upper and lower products need to maintain a height gap to allow the structural adhesive between the upper and lower products to cure.

[0004] However, in the existing pressure-holding fixture, the positions of the first and second magnetic components on the first and second fixtures, respectively, cannot be adjusted. This means that after the first and second magnetic components are attracted together, the distance between the first and second fixtures cannot be adjusted. Consequently, after the upper and lower fixtures are closed, the distance between the upper and lower products cannot be adjusted, making it impossible to maintain a proper height distance between upper and lower products of different models. An improvement is needed. Utility Model Content

[0005] The purpose of this invention is to provide a method that allows for precise adjustment of the distance between the upper and lower fixtures, thereby ensuring that the upper and lower products maintain a high degree of intermittent fit and pressure.

[0006] This utility model proposes a bonding and pressure-holding fixture for bonding an upper product and a lower product, comprising: an upper fixture with a suction cup at its bottom for adsorbing the upper product; a lower fixture with a spring positioning mechanism for positioning and installing the lower product; multiple spacing adjustment components disposed around the lower fixture, each spacing adjustment component including a lifting seat and a driving component, the driving component being finely adjusted to drive the lifting seat to rise and fall; and several magnetic seats fixedly disposed on the lifting seat, the upper fixture being attracted to the lower fixture through the magnetic seats and maintaining a height gap.

[0007] Preferably, the lower fixture has a lower groove on its side, and the upper fixture has an upper groove on its side; the driving component is a micrometer head, which includes a micrometer head seat, a handle, and a screw. The micrometer head seat is embedded in the lower groove, the lifting seat is mounted on the screw, and the handle protrudes from the lower groove. Rotating the handle controls the lifting seat to rise and fall; when the upper fixture and the lower fixture are attracted to each other, the magnetic seat and the lifting seat can be accommodated in the upper groove.

[0008] Preferably, the spacing adjustment assembly further includes a guide seat, which is disposed between the micrometer head seat and the lifting seat, and is embedded in the lower groove; the guide seat has a pair of guide holes on its surface, and a pair of guide rods are vertically fixed at the bottom end of the lifting seat, with the guide rods passing through the guide holes.

[0009] Preferably, mounting platforms are provided on both sides of the top of the lifting seat, and the magnetic seat is fixedly installed in the mounting platform and is flush with the end face of the lifting seat.

[0010] Preferably, the suction cup is a van der Waals force suction cup.

[0011] Preferably, the spring positioning mechanism includes a positioning spring and a positioning block. The surface of the lower fixture is provided with a plurality of positioning grooves. The positioning block is slidably disposed in the positioning groove. The positioning spring is horizontally disposed in the positioning groove, and its two ends abut against the positioning block and the end wall of the positioning groove, respectively. Under the elastic force of the positioning spring, the positioning block abuts against the outer side of the lower finished product.

[0012] Preferably, a spring hole is formed at the end of the positioning block, and the positioning spring passes through the spring hole and abuts against the positioning block.

[0013] Preferably, the positioning block is composed of a sliding part, a connecting part and an abutting part, and is in the shape of a "Z". The connecting part is in a vertical state and its two ends are respectively connected to the sliding part and the abutting part. The spring hole is horizontally opened in the sliding part, and the abutting part abuts against the outer side of the lower finished product.

[0014] Preferably, the surface of the lower fixture is provided with a plate groove, and a cover plate fixed to the lower fixture is provided in the plate groove. The cover plate covers the sliding part, and a through groove is provided on the cover plate. The connecting part passes through the through groove, and the abutting part extends out of the through groove.

[0015] As can be seen from the above description of this utility model, this utility model has the following beneficial effects: 1. The bonding and pressure-holding fixture is equipped with a spacing adjustment component, which can precisely adjust the spacing between the upper and lower fixtures, so that the upper and lower products maintain a high degree of intermittent bonding and pressure holding, thereby maintaining the height difference between the upper and lower products. After the adhesive cures, the product remains in its original position to prevent it from falling off. 2. The spacing adjustment assembly includes a guide seat, a lifting seat, and a drive component. The drive component is a micrometer head. By rotating the handle of the micrometer head, the screw of the micrometer head is driven to rise and fall, thereby adjusting the lifting seat and the magnetic seat above it. The upper fixture maintains a height gap with the lower fixture by magnetic attraction. By adjusting the rise and fall of the magnetic seat, the height gap between the upper fixture and the lower fixture can be precisely adjusted, thus adapting to the pressure holding between different models of upper and lower products.

[0016] 3. A van der Waals suction cup is installed at the bottom of the upper fixture to adsorb and fix the upper product. It can achieve strong adsorption without power supply, air supply or programming, and without vacuum or adhesive, avoiding the phenomenon of the upper product falling off after the adsorption vacuum is cut off. Moreover, it can adapt to the complex surface of the upper product during adsorption and can maintain the product adsorption in its original state for a long time.

[0017] 4. Several spring positioning mechanisms are provided on the lower fixture. Each spring positioning mechanism includes a positioning spring and a positioning block. The positioning block is slidably disposed in the positioning groove of the lower fixture, and the positioning spring is disposed in the positioning groove with its two ends abutting against the inner sidewall of the positioning block and the positioning groove, respectively. Under the action of the positioning spring, each positioning block abuts against the outer side of the lower product, thereby fixing the lower product and preventing the lower product from shifting when the lower fixture moves. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a pressure-holding fixture according to an embodiment; Figure 2 This is a bottom view of the fixture in the embodiment; Figure 3 This is a schematic diagram of the product being installed on the upper fixture in the embodiment; Figure 4 This is a top view of the fixture in the embodiment; Figure 5 This is a schematic diagram of the product being installed on the lower fixture in the example embodiment; Figure 6 This is an example.Figure 4 Enlarged view of a portion of point A in the middle; Figure 7 This is a schematic diagram of the positioning spring and positioning block in the embodiment; Figure 8 This is an example. Figure 4 Enlarged view of section B in the middle; Figure 9 This is a schematic diagram of the structure of the cover plate and the through groove in the embodiment; Figure 10 This is an exploded view of the spacing adjustment component in the embodiment; Figure 11 This is a schematic diagram of the groove structure in the embodiment; Figure 12 This is a structural schematic diagram of the lifting seat and mounting platform in the embodiment; Figure 13 This is a schematic diagram showing the state of the upper and lower jigs when they are closed in an embodiment.

[0019] Reference numerals: 1. Upper fixture; 11. Upper groove; 2. Lower fixture; 21. Positioning groove; 22. Plate groove; 23. Cover plate; 231. Through groove; 24. Lower groove; 3. Suction cup; 4. Spring positioning mechanism; 41. Positioning spring; 42. Positioning block; 421. Sliding part; 422. Connecting part; 423. Abutting part; 424. Spring hole; 5. Spacing adjustment assembly; 51. Guide seat; 511. Guide hole; 52. Lifting seat; 521. Guide rod; 522. Mounting platform; 53. Micrometer head; 531. Handle; 532. Screw; 533. Micrometer head seat; 6. Magnetic seat; 7. Upper product; 8. Lower product. Detailed Implementation

[0020] To make the technical problem to be solved, the technical solution and the beneficial effects of this utility model clearer and more understandable, the following description is provided in conjunction with the appendix. Figures 1-13 The present invention will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.

[0021] Reference Figure 1 , Figure 2 and Figure 3A bonding and pressure-holding fixture is disclosed, which can be used for bonding and pressure-holding automotive screens. Some automotive screens have upper and lower layered displays, namely an upper display and a lower display. The upper display is the upper product bonded and pressure-held by the bonding and pressure-holding fixture, and the lower display is the lower product bonded and pressure-held by the same fixture. The bonding and pressure-holding fixture includes an upper fixture 1, a lower fixture 2, a suction cup 3, four spring positioning mechanisms 4, several spacing adjustment components 5, and several magnetic seats 6. A cavity matching the shape of the upper product 7 is formed at the bottom end of the upper fixture 1, and the suction cup 3 is fixedly set at the bottom end of the upper fixture 1. The upper product 7 is abutted against the side wall of the cavity and then attracted and fixed by the suction cup 3. In order to ensure that the suction cup 3 has a good adsorption effect on the upper product 7 and facilitate the adsorption and removal of the upper product 7, the suction cup 3 fixed at the bottom end of the upper fixture 1 is a van der Waals force suction cup 3. The van der Waals suction cup 3 is used to adsorb the product 7, achieving strong adsorption without the need for vacuum or adhesives, thus preventing the product 7 from falling off after the vacuum is cut off; moreover, the van der Waals suction cup 3 can adapt to the complex surface of the product 7 during adsorption.

[0022] Reference Figures 4-7 Four spring positioning mechanisms 4 are all mounted on the lower fixture 2. The lower product 8 abuts against the inner side of the lower fixture 2. Two spring positioning mechanisms 4 are used for positioning one side of the lower product 8 in the X direction, and the other two spring positioning mechanisms 4 are used for positioning one end of the lower product 8 in the Y direction. The spring positioning mechanism 4 includes a positioning spring 41 and a positioning block 42. The positioning block 42 is Z-shaped and consists of a sliding part 421, a connecting part 422, and an abutting part 423. The connecting part 422 is vertically arranged and connected to the sliding part 421 and the abutting part 423. A plurality of positioning grooves 21 are formed on the surface of the lower fixture 2. The sliding parts 421 of the positioning spring 41 and the positioning block 42 are located in the positioning grooves 21, so that the two ends of the positioning spring 41 abut against the end walls of the positioning block 42 and the positioning groove 21, respectively. Under the action of the positioning spring 41, the abutting part 423 of the positioning block 42 abuts against the outer side of the lower product 8. Thus, the positioning of the product 8 is achieved under the action of the four spring positioning mechanisms 4.

[0023] Reference Figure 4 , Figure 8 and Figure 9To prevent the positioning block 42 from detaching from the positioning spring 41 during movement, a spring hole 424 is formed at one end of the sliding portion 421 of the positioning block 42, and one end of the positioning spring 41 passes through the spring hole 424. When the positioning spring 41 is compressed, it can be hidden in the spring hole 424. Furthermore, a plate groove 22 is formed on the surface of the lower fixture 2. The plate groove 22 is located above the positioning groove 21, and a cover plate 23 is provided in the plate groove 22. The cover plate 23 is fixed to the lower fixture 2 by bolts. By covering the sliding portion 421 of the positioning block 42 with the cover plate 23, the positioning block 42 is limited, preventing the positioning block 42 from detaching from the positioning spring 41 under the action of the spring force. A through groove 231 is formed at one end of the surface of the cover plate 23, and the connecting part 422 of the positioning block 42 is located in the through groove 231; when the sliding part 421 of the positioning block 42 moves in the positioning groove 21, the connecting part 422 of the positioning block 42 moves in the through groove 231.

[0024] Reference Figure 2 Figure 10 and Figure 11 Each pitch adjustment component 5 is set on the top periphery of the lower fixture 2. The pitch adjustment component 5 includes a guide seat 51, a lifting seat 52, and a driving component. The driving component can be a micrometer head 53, which includes a micrometer head seat 533, a handle 531, and a screw 532. A lower groove 24 is provided on the side of the lower fixture 2, and an upper groove 11 is provided on the side of the upper fixture 1. The guide seat 51 and the micrometer head seat 533 are fixedly set in the lower groove 24 of the lower fixture 2, with the guide seat 51 located above the micrometer head seat 533. The lifting seat 52 is slidably moved up and down on the guide seat 51, and the magnetic seat 6 is fixed at both ends on the lifting seat 52. For this purpose, a through hole is vertically formed in the guide seat 51, and the screw 532 of the micrometer 53 passes through the through hole and abuts against the bottom end of the lifting seat 52; and the handle 531 is exposed outside the lower groove 24, and the handle 531 of the micrometer 53 is rotated to drive the screw 532 to lift the lifting seat 52.

[0025] Reference Figure 10 , Figure 12 and Figure 13To ensure the stability of the lifting seat 52 during lifting, a pair of guide holes 511 are vertically drilled through the guide seat 51. Correspondingly, a pair of guide rods 521 are vertically installed at the bottom of the lifting seat 52, with the guide rods 521 passing through the guide holes 511 of the guide seat 51. When the screw 532 of the micrometer head 53 drives the lifting seat 52 to rise or fall, the guide rods 521 at the bottom of the lifting seat 52 rise and fall within the guide holes 511 of the guide seat 51. Mounting platforms 522 are provided on both sides of the top of the lifting seat 52, and the magnetic seat 6 is fixedly installed in the mounting platforms 522 on both sides of the top of the lifting seat 52, so that the installed magnetic seat 6 is flush with the end face of the lifting seat 52. The upper product 7 is adsorbed and fixed at the bottom end of the upper fixture 1, and the lower product 8 is positioned and installed at the bottom end of the lower fixture 2. The upper fixture 1 and the lower fixture 2 are attracted together by the magnetic seat 6. When the upper fixture 1 and the lower fixture 2 are attracted together, the magnetic seat 6 and the lifting seat 52 can be accommodated in the upper groove 11 of the upper fixture 1. The magnetic seat 6 maintains the height distance between the upper fixture 1 and the lower fixture 2 after mold closing. The handle 531 of the micrometer head 53 is rotated to adjust the height of the lifting seat 52 and the magnetic seat 6, thereby precisely adjusting the height distance between the upper fixture 1 and the lower fixture 2.

[0026] The specific implementation principle of this application embodiment is as follows: When it is necessary to use the pressure-holding fixture to fix the upper product 7 and the lower product 8, so as to maintain a high-precision distance between the upper product 7 and the lower product 8 after mold closing, the upper product 7 is abutted against each positioning side plate at the bottom of the upper fixture 1, and the upper product 7 is attracted and fixed by the van der Waals suction cup 3 at the bottom of the upper fixture 1. The lower product 8 is positioned and installed on the lower fixture 2, and the lower product 8 is abutted against the abutting part 423 of each positioning block 42, and the positioning spring 41 is gradually compressed, so that each positioning block 42 abuts against the four side surfaces of the lower product 8 under the action of the elastic force of the positioning spring 41, thereby positioning the lower product 8 from four directions to prevent the lower product 8 from shifting during the movement of the lower fixture 2.

[0027] After the upper fixture 1 is attracted to the lower fixture 2 via the magnetic base 6, the magnetic base 6 maintains a suitable distance between the upper fixture 1 and the lower fixture 2. By rotating the handle 531 of the micrometer head 53, the screw 532 of the micrometer head 53 drives the lifting seat 52 and the magnetic base 6 to rise and fall. By changing the distance between the top surface of the magnetic base 6 and the lower fixture 2, the distance between the upper fixture 1 and the lower fixture 2 after mold closing is changed. Since the upper product 7 is installed at the bottom of the upper fixture 1 and the lower product 8 is installed on the lower fixture 2, the height distance between the upper product 7 and the lower product 8 after mold closing can be precisely adjusted.

[0028] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution to other situations without modification, shall be protected by the present invention.

Claims

1. A bonding and pressure-holding fixture for bonding an upper product and a lower product, characterized in that: include: The upper fixture has a suction cup at its bottom for adsorbing the product. The lower fixture is equipped with a spring positioning mechanism for positioning and installing the lower product. Multiple spacing adjustment components are disposed around the lower fixture. Each spacing adjustment component includes a lifting seat and a driving component. The driving component is finely adjusted to drive the lifting seat to rise and fall. Several magnetic seats are fixedly mounted on the lifting seat, and the upper fixture is attracted to the lower fixture by the magnetic seats to maintain a height distance.

2. The fitting and pressure-maintaining fixture according to claim 1, characterized in that: The lower fixture has a lower groove on its side, and the upper fixture has an upper groove on its side; The driving component is a micrometer head, which includes a micrometer head base, a handle, and a screw. The micrometer head base is embedded in the lower groove, the lifting seat is mounted on the screw, and the handle protrudes from the lower groove. Rotating the handle controls the lifting seat to rise and fall. When the upper fixture and the lower fixture are attracted to each other, the magnetic seat and the lifting seat can be accommodated in the upper groove.

3. The fitting and pressure-maintaining fixture according to claim 2, characterized in that: The spacing adjustment assembly also includes a guide seat, which is disposed between the micrometer head seat and the lifting seat, and is embedded in the lower groove; The guide seat has a pair of guide holes on its surface, and a pair of guide rods are vertically fixed at the bottom of the lifting seat, with the guide rods passing through the guide holes.

4. The fitting and pressure-maintaining fixture according to claim 1, characterized in that: The top of the lifting seat has mounting platforms on both sides, and the magnetic seat is fixedly installed in the mounting platform and is flush with the end face of the lifting seat.

5. The fitting and pressure-maintaining fixture according to claim 1, characterized in that: The suction cup is configured as a van der Waals force suction cup.

6. The fitting and pressure-maintaining fixture according to claim 1, characterized in that: The spring positioning mechanism includes a positioning spring and a positioning block. The surface of the lower fixture is provided with several positioning grooves. The positioning block is slidably disposed in the positioning groove. The positioning spring is horizontally disposed in the positioning groove, and its two ends abut against the positioning block and the end wall of the positioning groove, respectively. Under the elastic force of the positioning spring, the positioning block abuts against the outer side of the lower finished product.

7. The fitting and pressure-maintaining fixture according to claim 6, characterized in that: A spring hole is formed at the end of the positioning block, and the positioning spring passes through the spring hole and abuts against the positioning block.

8. The fitting and pressure-maintaining fixture according to claim 7, characterized in that: The positioning block is composed of a sliding part, a connecting part and an abutting part, and is in the shape of a "Z". The connecting part is vertical and its two ends are connected to the sliding part and the abutting part respectively. The spring hole is horizontally opened in the sliding part, and the abutting part is pressed against the outer side of the lower finished product.

9. A pressure-holding fixture according to claim 8, characterized in that: The surface of the lower fixture is provided with a plate groove, and a cover plate fixed to the lower fixture is provided in the plate groove. The cover plate covers the sliding part and has a through groove. The connecting part passes through the through groove and the abutting part extends out of the through groove.

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