Hot pressing die for multi-specification watchband bonding cloth

By designing a hot press mold for multi-spec tape bonding fabric, using multi-size strap seats and magnet positioning plates, the problems of poor applicability and offset of existing hot press molds are solved, and efficient and uniform hot pressing of straps and fabrics are achieved, improving the quality of finished products.

CN223266287UActive Publication Date: 2025-08-26DONGGUAN DUBO LEATHER CO LTD
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Patent Information

Application Number
CN202422491686.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-08-26
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

Existing hot press molds can only adapt to one type of watch strap and fabric, with poor flexibility, and the watch strap and fabric are easily deviated during the hot pressing process, affecting the quality of the finished product.

Method used

A hot pressing mold of multi-specified watch strap adhesive fabric is designed, including an upper hot pressing mechanism, a lower hot pressing mechanism, an upper insert, a lower insert, a pallet, a limiting plate, a magnet positioning plate and a bottom support. By setting up multiple strap seats and magnet positioning plates of different sizes, effective limiting of the watch strap and uniformly under-forced hot pressing are achieved.

Benefits of technology

It realizes the applicability to watch straps of different specifications, reduces the offset during the hot pressing process, and improves the quality and processing efficiency of finished watch straps.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hot-pressing die for multi-specification watchband bonding cloth, which comprises an upper hot-pressing mechanism, a lower hot-pressing mechanism, an upper inserting piece, a lower inserting piece, a supporting plate, a limiting plate, a magnet positioning plate and a bottom support, the upper inserting piece is connected with the upper hot-pressing mechanism, the lower inserting piece is connected with the lower hot-pressing mechanism, the supporting plate can be arranged on the bottom support, and the magnet positioning plate is arranged on the bottom support. The limiting plate is connected to the supporting plate, the magnet positioning plate is connected to the limiting plate, the supporting plate is provided with a plurality of watchband bases of different sizes, the watchband bases are provided with through holes, the limiting plate is provided with limiting holes, the watchband bases extend into the limiting holes, the magnet positioning plate is provided with magnet positioning holes, the magnet positioning holes are formed above the through holes, and the upper inserting piece can extend into the magnet positioning holes. The lower inserting piece can penetrate through the through hole and extend into the magnet positioning hole. The watchband hot-pressing device can be conveniently suitable for hot-pressing processing of watchbands of different specifications, can effectively reduce deviation of the watchbands in the hot-pressing process, and improves the quality of finished watchbands.
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Description

Technical Field

[0001] The utility model relates to the field of mold design, in particular to a hot pressing mold for bonding cloths of multi-specification watch straps. Background Art

[0002] Watch straps often need to be bonded with fabric to improve the wearing comfort of the straps. In order to facilitate standardized processing and ensure processing efficiency, watch strap bonding fabrics are now often achieved through hot pressing, which is inseparable from the use of hot pressing molds.

[0003] However, during actual processing, it was found that, on the one hand, due to the large number of specifications of watch straps, the current single hot pressing mold is often only suitable for bonding watch straps and fabrics of one specification, which has poor flexibility and is inconvenient to use. On the other hand, when using common hot pressing molds to hot-press the watch strap and fabric, the watch strap and fabric often offset, affecting the quality of the finished watch strap after processing. Utility Model Content

[0004] The purpose of the utility model is to provide a hot pressing die for bonding cloths of various specifications of watch straps, which can solve one or more of the above problems.

[0005] According to one aspect of the utility model, a hot pressing die for bonding fabrics of various specifications of watch straps is provided, comprising an upper hot pressing mechanism, a lower hot pressing mechanism, an upper insert, a lower insert, a supporting plate, a limiting plate, a magnet positioning plate and a bottom support.

[0006] The upper insert is connected to the upper hot pressing mechanism, the lower insert is connected to the lower hot pressing mechanism, the support plate can be placed on the bottom support, the limit plate is connected to the support plate, and the magnet positioning plate is connected to the limit plate.

[0007] The support plate is provided with a plurality of watch strap seats of different sizes, the watch strap seats are provided with a through hole, the limiting plate is provided with a limiting hole, the watch strap seats extend into the limiting hole, the magnet positioning plate is provided with a magnet positioning hole, and the magnet positioning hole is provided above the through hole.

[0008] The upper inserting piece can extend into the magnet positioning hole, and the lower inserting piece can pass through the through hole and extend into the magnet positioning hole.

[0009] The beneficial effects of the present invention are as follows: in the present invention, the watch strap and the fabric can be placed on the watch strap seat for pressing, and by providing a plurality of watch strap seats of different sizes, the present invention can be conveniently applied to the hot pressing processing of watch straps of different specifications, and a magnetic block can be provided on the watch strap during pressing, so that after the watch strap is placed, the magnetic block can be adsorbed with the magnet positioning plate to effectively limit the position of the watch strap, so as to effectively reduce the deviation of the watch strap during the hot pressing process and improve the quality of the finished watch strap. At the same time, during hot pressing, hot pressing can be performed simultaneously in the upper and lower directions, so that the force on the watch strap is more uniform, thereby obtaining a better quality finished product.

[0010] In some embodiments, the upper hot pressing mechanism includes a top plate, an upper insulation plate, an upper heating plate and an upper heater, the top plate, the upper insulation plate and the upper heating plate are connected in sequence from top to bottom, the upper heater is embedded in the upper heating plate, and the upper insert is connected to the upper heating plate.

[0011] In some embodiments, the upper hot pressing mechanism includes an upper lifting cylinder and a connecting plate, wherein the upper lifting cylinder is connected to the connecting plate, and the connecting plate is connected to the top plate. The upper lifting cylinder can drive the top plate to move through the connecting plate, thereby driving the movement of the upper insert.

[0012] In some embodiments, the present invention further comprises a machine platform, a guide post, and a guide sleeve. The upper lifting cylinder is mounted on the machine platform, the guide sleeve is mounted on the connecting plate, the guide post is mounted on the machine platform, and the guide sleeve is slidably mounted on the guide post. The guide post and guide sleeve can guide the movement of the connecting plate, thereby improving the reliability of the connecting plate's movement.

[0013] In some embodiments, the lower hot pressing mechanism includes a base plate, a lower heat insulation plate, a lower heating plate, a lower heater and a lower lifting cylinder. The base plate, the lower heat insulation plate and the lower heating plate are connected in sequence from bottom to top. The lower lifting cylinder is connected to the base plate. The lower insert can be placed on the lower heating plate and connected to the lower lifting cylinder. The lower heater is embedded in the lower insert.

[0014] In some embodiments, the lower hot-pressing mechanism includes a connecting post and a sliding sleeve, the sliding sleeve being mounted on a base plate. The connecting post is connected to the upper hot-pressing mechanism, and the sliding sleeve is slidably mounted on the connecting post. The arrangement of the connecting post and the sliding sleeve facilitates maintaining relative stability of the upper and lower hot-pressing mechanisms in the lateral direction during movement of the upper hot-pressing mechanism, thereby ensuring reliable movement of the upper hot-pressing mechanism.

[0015] In some embodiments, the present invention further includes a limiting post connected to a base plate, wherein the limiting plate has a groove into which the limiting post can be inserted. This ensures that the relative position of the limiting plate and the base plate is accurate after installation, thereby improving the reliability of subsequent hot pressing processing.

[0016] In some embodiments, a positioning pin is connected to the support plate, the limiting plate is provided with a first positioning hole, and the magnet positioning plate is provided with a second positioning hole, and the positioning pin passes through the first positioning hole and the second positioning hole in sequence. This ensures that the limiting plate, magnet positioning plate, and support plate are relatively fixed in position after they are set, thereby improving the reliability of subsequent hot pressing processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a hot pressing die for bonding fabrics for watch straps of multiple specifications according to one embodiment of the present invention.

[0018] Figure 2 This is a cross-sectional view of a schematic structural diagram of a hot pressing die for bonding fabrics for watch straps of multiple specifications according to an embodiment of the present invention when no machine table is provided.

[0019] Figure 3 This is a structural schematic diagram of a hot pressing mold for bonding fabrics of multiple specifications of watch straps on a support plate in one embodiment of the present invention.

[0020] Figure 4 This is a structural schematic diagram of a limiting plate of a hot pressing die for bonding fabrics for watch straps of multiple specifications according to an embodiment of the present invention.

[0021] Figure 5 This is a structural schematic diagram of a magnet positioning plate of a hot pressing die for bonding fabrics of multiple specifications of watch straps according to an embodiment of the present invention.

[0022] In the figure: 1. upper hot pressing mechanism, 2. lower hot pressing mechanism, 3. upper insert, 4. lower insert, 5. support plate, 6. limit plate, 7. magnet positioning plate, 8. bottom support, 11. top plate, 12. upper heat insulation plate, 13. upper heating plate, 14. upper heater, 15. upper lifting cylinder, 16. connecting plate, 17. machine table, 18. guide column, 19. guide sleeve, 21. bottom plate, 22. lower heat insulation plate, 23. lower heating plate, 24. lower heater, 25. lower lifting cylinder, 26. connecting column, 27. sliding sleeve, 51. positioning pin, 61. first positioning hole, 62. groove, 71. second positioning hole, 9. limit column, 52. strap seat, 521. through hole, 63. limit hole, 72. magnet positioning hole. DETAILED DESCRIPTION

[0023] The present invention will be further described in detail below with reference to the accompanying drawings.

[0024] refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5The utility model is a hot pressing die for bonding cloths of multiple specifications of watch straps, comprising an upper hot pressing mechanism 1, a lower hot pressing mechanism 2, an upper insert 3, a lower insert 4, a supporting plate 5, a limiting plate 6, a magnet positioning plate 7 and a bottom support 8.

[0025] The upper hot pressing mechanism 1 includes a top plate 11, an upper heat insulation plate 12, an upper heating plate 13, and an upper heater 14. The top plate 11, the upper heat insulation plate 12, and the upper heating plate 13 are fixedly connected in sequence from top to bottom by bolts, wherein the upper heat insulation plate 12 can be provided in multiple numbers, and the upper heater 14 is preferably an electric heater. The upper heater 14 can be multiple, and the multiple upper heaters 14 are fixedly embedded in the upper heating plate 13.

[0026] There are also multiple upper inserts 3 , and each upper insert 3 is fixedly connected to the bottom of the upper heating plate 13 by bolts, and a gasket can be provided between the upper insert 3 and the upper heating plate 13 .

[0027] The upper hot pressing mechanism 1 also includes an upper lifting cylinder 15 and a connecting plate 16. The piston rod of the upper lifting cylinder 15 is fixedly connected to the connecting plate 16 by bolts, and the upper lifting cylinder 15 can drive the connecting plate 16 to move, and the connecting plate 16 is fixedly connected to the top of the top plate 11 by bolts.

[0028] The present invention further includes a machine platform 17, a guide post 18, and a guide sleeve 19. The cylinder body of the upper lifting cylinder 15 is fixedly mounted on the machine platform 17 by bolts. The guide sleeve 19 can be multiple and fixedly mounted on the connecting plate 16 by bolts. The guide post 18 can also be multiple, and its number is equal to the number of the guide sleeves 19. The guide post 18 is fixedly mounted on the machine platform 17 by bolts and is perpendicular to the machine platform 17. The multiple guide sleeves 19 are slidably mounted on the multiple guide posts 18 in a one-to-one correspondence.

[0029] The lower hot pressing mechanism 2 includes a bottom plate 21, a lower heat insulation plate 22, a lower heating plate 23, a lower heater 24 and a lower lifting cylinder 25. The bottom plate 21 is fixedly mounted on the machine platform 17 by bolts, and the bottom plate 21, the lower heat insulation plate 22 and the lower heating plate 23 are fixedly connected in sequence by bolts from bottom to top, wherein the lower heat insulation plate 22 can be multiple, and the lower lifting cylinders 25 are preferably two, the cylinder bodies of the two lower lifting cylinders 25 are fixedly connected to the bottom plate 21 by bolts, the two lower lifting cylinders 25 are arranged in parallel, the lower insert 4 can be placed on the lower heating plate 23, and the piston rods of the two lower lifting cylinders 25 are fixedly connected to the lower insert 4 by bolts. The lower heater 24 can be multiple, and the lower heater 24 is also preferably an electric heater, and the lower heater 24 is fixedly embedded in the lower insert 4.

[0030] The lower inserting member 4 is provided with a plurality of lower inserting portions, and the plurality of lower inserting portions are arranged to be opposite to the plurality of upper inserting members 3 one by one.

[0031] The lower hot pressing mechanism 2 further includes connecting posts 26 and sliding sleeves 27. There are preferably four sliding sleeves 27, each of which is fixedly mounted on the bottom plate 21. There are also preferably four connecting posts 26, one end of each of which is fixedly connected to the bottom of the top plate 11 of the upper hot pressing mechanism 1 via bolts. The four sliding sleeves 27 are slidably mounted on the four connecting posts 26 in a one-to-one correspondence.

[0032] There can be multiple bottom brackets 8 , and all bottom brackets 8 are fixedly connected to the bottom plate 21 by bolts.

[0033] The support plate 5 can be placed on the base 21 through the column hole, and the limiting plate 6 is connected to the support plate 5, and the magnet positioning plate 7 is connected to the limiting plate 6. Specifically, a plurality of positioning pins 51 are provided on the support plate 5, and a plurality of first positioning holes 61 are provided on the limiting plate 6, and a plurality of second positioning holes 71 are provided on the magnet positioning plate 7. The plurality of positioning pins 51 pass through the plurality of first positioning holes 61 and the plurality of second positioning holes 71 in sequence, so that the support plate 5, the limiting plate 6 and the magnet positioning plate 7 are connected in sequence.

[0034] The present invention may also include a limiting column 9, one end of which is fixedly embedded in the base plate 21 so that the limiting column 9 is fixedly connected to the base plate 21. A groove 62 is provided on the side of the limiting plate 6. When the support plate 5 is placed on the base plate 21, the limiting column 9 can be embedded in the groove 62.

[0035] The support plate 5 is provided with a plurality of watch band seats 52 of different sizes. The number of watch band seats 52 is the same as that of the upper insert 3 and the lower insert 4, and the dimensions of the upper insert 3 and the lower insert portion of the lower insert 4 respectively match those of each watch band seat 52. The watch band seat 52 is provided with a through hole 521. The limiting plate 6 is also provided with a plurality of limiting holes 63, which are also provided in a number corresponding to the number of watch band seats 52. The multiple watch band seats 52 extend into the plurality of limiting holes 63 in a one-to-one correspondence. The magnet positioning plate 7 is provided with a plurality of magnet positioning holes 72, which are provided in a number corresponding to the number of watch band seats 52. After being provided, the plurality of magnet positioning holes 72 are provided in a one-to-one correspondence above the plurality of through holes 521.

[0036] When necessary, the multiple upper inserts 3 can be respectively inserted into the multiple magnet positioning holes 72, and the multiple lower inserts on the lower insert 4 can respectively pass through the multiple through holes 521, and the above-mentioned multiple lower inserts can respectively extend into the multiple magnet positioning holes 72.

[0037] When the present invention is in use, a gasket can be first provided on the strap seat 52 of the support plate 5, and the gasket can preferably be a silicon wafer. Then, by relying on the connection between the first positioning hole 61 and the positioning pin 51, the limit plate 6 is connected to the support plate 5, and at this time, the silicon wafer of the strap seat 52 can be placed with cloth, strap and magnetic block in sequence, and then a silicon wafer and other gaskets are set on the magnetic block, and then by relying on the connection between the second positioning hole 71 and the positioning pin 51, the magnet positioning plate 7 is connected to the limit plate 6. At this time, the magnetic block can be adsorbed with the magnet positioning plate 7, so that the cloth, strap, etc. are effectively fixed on the support plate 5.

[0038] Then, the support plate 5 connected with the magnet positioning plate 7 and the limit plate 6 is placed on the base 8. At this time, the limit column 9 can be embedded in the groove 62 to ensure that the support plate 5 and the magnet positioning plate 7 and the limit plate 6 are set in place.

[0039] After that, start the upper lifting cylinder 15 and the upper heater 14, and start the lower lifting cylinder 25 and the lower heater 24. On the one hand, the upper lifting cylinder 15 can drive the top plate 11 to move downward through the connecting plate 16, so that the upper insert 3 is extended into the magnet positioning hole 72, and pressure is applied to the gasket on the above-mentioned magnetic block, so that the strap and fabric under the magnetic block can be pressed upward through the magnetic block. On the other hand, the lower lifting cylinder 25 can drive the lower insert 4 to move upward, so that the lower insert part on the lower insert 4 can pass through the through hole 521 and extend into the magnet positioning hole 72 to apply pressure to the gasket under the fabric, so that the strap and fabric on the gasket can be pressed downward. At the same time, the upper heater 14 and the lower heater 24 can provide sufficient temperature to facilitate the melting and bonding between the fabric and the strap, thereby realizing hot pressing of the fabric and the strap.

[0040] The above descriptions are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.

Claims

1. A hot pressing die for bonding fabrics of various specifications of watch straps, characterized in that: It includes an upper hot pressing mechanism, a lower hot pressing mechanism, an upper insert, a lower insert, a supporting plate, a limiting plate, a magnet positioning plate and a bottom support. The upper insert is connected to the upper hot pressing mechanism, the lower insert is connected to the lower hot pressing mechanism, the support plate can be placed on the bottom support, the limit plate is connected to the support plate, and the magnet positioning plate is connected to the limit plate. The support plate is provided with a plurality of watch strap seats of different sizes, the watch strap seats are provided with a through hole, the limiting plate is provided with a limiting hole, the watch strap seats extend into the limiting hole, the magnet positioning plate is provided with a magnet positioning hole, and the magnet positioning hole is provided above the through hole. The upper inserting piece can extend into the magnet positioning hole, and the lower inserting piece can pass through the through hole and extend into the magnet positioning hole.

2. A hot pressing die for bonding fabrics of various specifications of watch straps according to claim 1, characterized in that: The upper hot pressing mechanism includes a top plate, an upper heat insulation plate, an upper heating plate and an upper heater, which are connected in sequence from top to bottom. The upper heater is embedded in the upper heating plate, and the upper insert is connected to the upper heating plate.

3. The hot pressing die for bonding fabrics of various specifications of watch straps according to claim 2, characterized in that: The upper hot pressing mechanism includes an upper lifting cylinder and a connecting plate, wherein the upper lifting cylinder is connected to the connecting plate, and the connecting plate is connected to the top plate.

4. The hot pressing die for bonding fabrics of various specifications of watch straps according to claim 3, characterized in that: The utility model comprises a machine platform, a guide column and a guide sleeve. The upper lifting cylinder is installed on the machine platform, the guide sleeve is installed on the connecting plate, the guide column is installed on the machine platform, and the guide sleeve is slidably sleeved on the guide column.

5. The hot pressing die for bonding fabrics for watch bands of various specifications according to claim 1, characterized in that: The lower hot pressing mechanism includes a bottom plate, a lower heat insulation plate, a lower heating plate, a lower heater and a lower lifting cylinder. The bottom plate, the lower heat insulation plate and the lower heating plate are connected in sequence from bottom to top. The lower lifting cylinder is connected to the bottom plate. The lower insert can be placed on the lower heating plate and connected to the lower lifting cylinder. The lower heater is embedded in the lower insert.

6. The hot pressing die for bonding fabrics of various specifications of watch straps according to claim 5, characterized in that: The lower hot pressing mechanism includes a connecting column and a sliding sleeve. The sliding sleeve is installed on the bottom plate. The connecting column is connected to the upper hot pressing mechanism. The sliding sleeve is slidably sleeved on the connecting column.

7. The hot pressing die for bonding fabrics of various specifications of watch straps according to claim 5, characterized in that: It comprises a limiting column connected to the bottom plate, the limiting plate is provided with a groove, and the limiting column can be embedded in the groove.

8. The hot pressing die for bonding fabrics of various specifications of watch straps according to claim 1, characterized in that: The support plate is connected with a positioning pin, the limiting plate is provided with a first positioning hole, the magnet positioning plate is provided with a second positioning hole, and the positioning pin passes through the first positioning hole and the second positioning hole in sequence.