Heat insulation structure of gilding press for silica gel writing pad

By setting the thermal insulation structure of the guide rod and sliding curtain between the abutment table of the gold stamping machine and the swing table, the problem of silicone writing pad being scalded at high temperature is solved, effectively insulating the effect and improving safety.

CN222682040UActive Publication Date: 2025-03-28NEWLIFE MAGNET ELECTRICITY(NINGBO) CO LTD
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Patent Information

Application Number
CN202421403188.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-03-28
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

There is a risk of burning when the surface of the silicone writing pad is in contact with the hot stamping machine under high temperature.

Method used

A thermal insulation structure is designed, including a guide rod and a sliding cloth curtain. The curtain is located between the abutment table and the swing table to form a thermal insulation layer to prevent the non-hot stamping area of ​​the silicone writing pad from being scalded by high temperature.

Benefits of technology

By setting a curtain between the abutment table of the gold stamping machine and the swing table, the high temperature is effectively isolated, avoiding scalding of the non-hot stamping area of ​​the silicone writing pad, and improving safety.

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Abstract

The utility model relates to the technical field of gilding presses, in particular to a thermal insulation structure of a gilding press for a silica gel writing pad, which comprises a thermal insulation assembly, the thermal insulation assembly comprises a guide rod and two cloth curtains, the guide rod is connected with a machine body in the length direction of the machine body, the top of each cloth curtain is provided with a plurality of rod penetrating holes, and the two cloth curtains are arranged in the guide rod; the guide rod penetrates through the rod penetrating hole in each cloth curtain, the cloth curtains are arranged on the guide rod in a sliding mode, when the table top of the swing table is attached to the table top of the abutting table, the guide rod is located above the swing table, the cloth curtains and the at least one gold stamping attaching strip are located between the table top of the swing table and the table top of the abutting table, and the cloth curtains are located on one side of the aluminum foil strip. Due to the fact that the cloth curtain is arranged between the abutting table and the swing table, the silica gel writing pad has the advantage that the non-hot-stamping area of the silica gel writing pad is prevented from being scalded by the abutting table at high temperature.
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Description

Technical Field

[0001] The present application relates to the technical field of hot stamping machines, and more specifically to a heat insulation structure of a hot stamping machine for a silicone writing pad. Background Art

[0002] The hot stamping process is a special printing process that does not use ink. The so-called hot stamping refers to the process of hot stamping an electrochemical aluminum foil onto the surface of the substrate under a certain temperature and pressure. The hot stamping machine is the equipment that completes the hot stamping process. In addition, the patent document (CN219821063U) discloses a silicone writing pad. It should be noted that when the silicone writing pad is sold, the manufacturer's logo is printed on one corner of the silicone writing pad, and the logo is hot stamped on the silicone writing pad by the hot stamping machine.

[0003] Our company currently has a hot stamping machine, such as Figure 1 As shown, it includes a machine body 90, a support table 91, a swing table 92, a rotation drive device (not marked in the figure), a disc 94, a connecting rod 95, a heating device (not marked in the figure) for heating the support table 91, and an aluminum foil strip 96 with two ends wound in a cylindrical shape. The support table 91 and the rotation drive device are both fixedly connected to the machine body 90, the bottom of the swing table 92 is rotatably mounted on the machine body 90, the disc 94 is rotatably mounted on the machine body 90 and is fixedly connected to the rotating shaft of the rotation drive device, one end of the connecting rod 95 is eccentrically arranged on the disc 94 and is rotatably connected to the disc 94, and the other end of the connecting rod 95 is rotatably connected to the swing table 92 The swing table 92 is connected, and there are several placement protrusions 921 on the swing table 92. The aluminum foil strip 96 is located between the abutment table 91 and the swing table 92. There are several hot stamping strips arranged in an array on the aluminum foil strip 96. It should be noted that during production, the silicone writing pad is placed on the placement protrusions 921, and the table surface of the abutment table 91 is heated by the heating device. When the rotary drive device is activated, the table surface of the swing table 92 fits with the table surface of the abutment table 91, and the silicone writing pad is pressed between the abutment table 91 and the swing table 92, and the hot stamping strip contacts the silicone writing pad, and the hot stamping strip is printed on the silicone writing pad. However: when the silicone writing pad contacts the abutment table 91 in a high temperature state, there is a risk of burns on the silicone writing pad.

[0004] Therefore, there is a need to provide a heat insulation structure of a hot stamping machine for a silicone writing pad that can prevent the silicone writing pad from being burned. Summary of the invention

[0005] The main purpose of the present application is to provide a heat insulation structure of a hot stamping machine for a silicone writing pad, which is arranged on the hot stamping machine, and the hot stamping machine includes a machine body, a supporting table, and a swinging table, wherein the heat insulation structure of the hot stamping machine for the silicone writing pad includes a heat insulation component, and the heat insulation component includes a guide rod and two cloth curtains, the guide rod is connected to the machine body in the length direction of the machine body, and the top of each of the cloth curtains has a plurality of rod holes, and the guide rod passes through the rod holes on each of the cloth curtains, and the cloth curtain is slidably arranged on the guide rod. When the table surface of the swinging table is in contact with the table surface of the supporting table, the guide rod is located above the swinging table, and the cloth curtain and at least one hot stamping strip are located between the table surface of the swinging table and the table surface of the supporting table, and the cloth curtain is located on one side of the aluminum foil strip. Compared with the prior art, by arranging the cloth curtain between the supporting table and the swinging table, the advantage of preventing the non-hot stamping area of ​​the silicone writing pad from being scalded by the supporting table at high temperature is achieved.

[0006] Another object of the present application is to provide a heat insulation structure of a hot stamping machine for a silicone writing pad, wherein the heat insulation component also includes two limiting devices for selectively fixing the cloth curtains, and a limiting device is provided at the opposite ends of the two cloth curtains, and the limiting device is located between the two adjacent rod holes of the corresponding cloth curtains, and the position of the cloth curtains is fixed by setting the limiting device.

[0007] In order to achieve at least one of the above-mentioned invention purposes, the present application provides a heat insulation structure of a hot stamping machine for a silicone writing pad, which is arranged on the hot stamping machine, and the hot stamping machine includes a machine body, a support table, a swing table, a rotating drive device, a disc, a connecting rod, a heating device for heating the support table, and an aluminum foil strip with cylindrical ends wound, the support table and the rotating drive device are both fixedly connected to the machine body, the bottom of the swing table is rotatably mounted on the machine body, the disc is rotatably mounted on the machine body and connected to the rotating drive device. The rotating shaft of the driving device is fixedly connected, one end of the connecting rod is eccentrically arranged on the disc and is rotatably connected to the disc, the other end of the connecting rod is rotatably connected to the swing table, the swing table has a plurality of placement protrusions, the aluminum foil strip is located between the abutting table and the swing table, and the aluminum foil strip has a plurality of hot stamping strips arranged in an array, when the rotating driving device is activated, the table surface of the swing table is attached to or separated from the table surface of the abutting table, wherein the heat insulation structure of the hot stamping machine for the silicone writing pad includes:

[0008] A heat insulation component, the heat insulation component includes a guide rod and two curtains, the guide rod is connected to the body in the length direction of the body, the top of each curtain has a plurality of rod holes, the guide rod passes through the rod holes on each curtain, the curtain is slidably set on the guide rod, when the table top of the swing table is in contact with the table top of the abutting table, the guide rod is located above the swing table, and the curtain and at least one of the hot stamping strips are located between the table top of the swing table and the table top of the abutting table, and the curtain is located on one side of the aluminum foil strip.

[0009] In one or more embodiments of the present application, the thermal insulation assembly also includes two limiting devices for selectively fixing the curtains, and each of the two curtains is provided with a limiting device at the opposite ends thereof, and the limiting device is located between two adjacent rod holes of the corresponding curtains.

[0010] In one or more embodiments of the present application, the guide rod has a convex strip on the side away from the abutment platform, and the limiting device includes a guide seat, a sliding member, an elastic member and a holding member. One end of the guide seat passes through the cloth curtain and faces the guide rod, and the guide seat is connected to the cloth curtain on all sides. The guide seat has an accommodating cavity at one end close to the guide rod, and the sliding member is slidably arranged in the accommodating cavity. The two ends of the elastic member are respectively connected to the sliding member and the cavity wall of the accommodating cavity, and the sliding member has a groove at one end away from the elastic member. One end of the holding member passes through the guide seat and the elastic member and is connected to the sliding member. When the convex strip is inserted into the groove, the elastic member is in a compressed state.

[0011] In one or more embodiments of the present application, the two facing ends of the two cloth curtains each have a binding strip, the convex strip has a plurality of spaced-apart wire holes, and the wire holes penetrate from the top surface of the convex strip to the bottom surface of the boss.

[0012] In one or more embodiments of the present application, one end of the cloth curtain has a plurality of Velcro male surfaces, and the other end of the cloth curtain has a plurality of Velcro female surfaces, the Velcro male surfaces correspond to the Velcro female surfaces one by one, and each Velcro male surface is attached to or separated from the corresponding Velcro female surface.

[0013] In one or more embodiments of the present application, each of the cloth curtains has a weight-increasing portion at the bottom.

[0014] In an embodiment of the present application, the heat insulation structure of the hot stamping machine for silicone writing pad is arranged on the hot stamping machine, and the hot stamping machine includes a machine body, a supporting table, and a swinging table. The heat insulation structure of the hot stamping machine for silicone writing pad includes a heat insulation component, and the heat insulation component includes a guide rod and two cloth curtains. The guide rod is connected to the machine body in the length direction of the machine body, and the top of each of the cloth curtains has a plurality of rod holes. The guide rod passes through the rod holes on each of the cloth curtains, and the cloth curtain is slidably arranged on the guide rod. When the table top of the swinging table is in contact with the table top of the supporting table, the guide rod is located above the swinging table, and the cloth curtain and at least one of the hot stamping strips are located between the table top of the swinging table and the table top of the supporting table, and the cloth curtain is located on one side of the aluminum foil strip. Compared with the prior art, by arranging the cloth curtain between the supporting table and the swinging table, the advantage of preventing the non-hot stamping area of ​​the silicone writing pad from being scalded by the supporting table at high temperature is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] These and / or other aspects and advantages of the present application will become clearer and easier to understand from the following detailed description of the embodiments of the present application in conjunction with the accompanying drawings, in which:

[0016] Figure 1 The figure shows a structural schematic diagram of an existing hot stamping machine;

[0017] Figure 2 The figure shows the heat insulation structure of a hot stamping machine for a silicone writing pad of the utility model;

[0018] Figure 3 The diagram shows a schematic diagram of the structure of the curtain;

[0019] Figure 4 Pictured Figure 3 A cross-sectional view at AA;

[0020] Figure 5 Pictured Figure 3 A partial enlarged view of point C. DETAILED DESCRIPTION

[0021] The terms and words used in the following specification and claims are not limited to the literal meanings, but are merely used by the inventor to enable a clear and consistent understanding of the present application. Therefore, it will be apparent to those skilled in the art that the following description of various embodiments of the present application is provided for illustrative purposes only and not for the purpose of limiting the present application as defined by the appended claims and their equivalents.

[0022] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0023] Although ordinals such as "first," "second," and the like will be used to describe various components, those components are not limited herein. The term is used only to distinguish one component from another. For example, a first component may be referred to as a second component, and likewise, a second component may be referred to as a first component without departing from the teachings of the utility model concept. The term "and / or" as used herein includes any and all combinations of one or more associated listed items.

[0024] The terms used herein are only used for the purpose of describing various embodiments and are not intended to be limiting. As used herein, singular forms are intended to also include plural forms, unless the context clearly indicates an exception. In addition, it will be understood that the terms "including" and / or "having" when used in this specification specify the presence of the described features, numbers, steps, operations, components, elements or combinations thereof, without excluding the presence or addition of one or more other features, numbers, steps, operations, components, elements or groups thereof.

[0025] Schematic diagram of the heat insulation structure of the hot stamping machine for silicone writing pads.

[0026] refer to Figures 2 to 5According to a preferred embodiment of the utility model, a heat insulation structure of a hot stamping machine for a silicone writing pad is arranged on the hot stamping machine, and the hot stamping machine includes a body 90, a support table 91, a swing table 92, a rotation drive device, a disc 94, a connecting rod 95, a heating device for heating the support table 91 (not shown in the figure) and an aluminum foil strip 96 with two ends wound in a cylindrical shape. The support table 91 and the rotation drive device are both fixedly connected to the body 90, and the fixed connection method includes but is not limited to bolt connection. The bottom of the swing table 92 is rotatably mounted on the body 90 through a hinge shaft. The rotation drive device is further implemented as a rotating motor. The center of the disc 94 is rotatably mounted on the body 90 and It is fixedly connected to the rotating shaft of the rotary drive device, and its fixed connection method includes but is not limited to welding. One end of the connecting rod 95 is eccentrically arranged on the disc 94 and is rotatably connected to the disc 94 in a hinged manner. The other end of the connecting rod 95 is rotatably connected to the swing table 92 in a hinged manner. The swing table 92 has a plurality of placement protrusions 921. In the embodiment of the present application, the placement protrusion 921 is L-shaped. The aluminum foil strip 96 is located between the abutment table 91 and the swing table 92. The aluminum foil strip 96 has a plurality of array-arranged hot stamping strips (not marked in the figure). When the rotary drive device is actuated, the table surface of the swing table 92 is attached to or separated from the table surface of the abutment table 91.

[0027] It should be noted that the surface of the abutment table 91 is maintained at a predetermined temperature by the heating device, providing conditions for hot stamping; during processing, the silicone writing pad is placed on the placement protrusion 921, and the rotary drive device is activated, so that the swing table 92 is flipped toward the abutment table 91, and at a certain moment, the silicone writing pad is attached to the hot stamping strip, and the hot stamping strip is hot stamped on the silicone writing pad.

[0028] However, during the hot stamping process, the silicone writing pad, except for the hot stamping area, is easily burned by the surface of the abutment platform 91 at a high temperature.

[0029] In view of this, in the embodiments of the present application, Figure 2 and Figure 3As shown, the heat insulation structure of the hot stamping machine for silicone writing pad also includes a heat insulation component 10, and the heat insulation component 10 includes a guide rod 101 and two cloth curtains 102. The guide rod 101 is connected to the machine body 90 in the length direction of the machine body 90, and the top of each of the cloth curtains 102 has a plurality of rod holes 1021. The guide rod 101 passes through the rod holes 1021 on each of the cloth curtains 102, and the cloth curtains 102 are slidably set on the guide rods 101. When the table top of the swing table 92 is in contact with the table top of the abutting table 91, the guide rod 101 is located above the swing table 92, and the cloth curtain 102 and at least one of the hot stamping strips are located between the table top of the swing table 92 and the table top of the abutting table 91, and the cloth curtain 102 is located on one side of the aluminum foil strip 96.

[0030] It should be noted that, by providing the cloth curtain 102, when the table surface of the swing table 92 moves toward the table surface of the abutment table 91, the unprinted area of ​​the silicone writing pad placed on the swing table 92 is blocked by the cloth curtain 102, and the cloth curtain 102 forms a heat-insulating structure, which helps to reduce the risk of the silicone writing pad being scalded by the high-temperature table surface of the abutment table 91; in addition, by sliding the cloth curtain 102 on the guide rod 101, the cloth curtain 102 can be slid and the cloth curtain 102 can be folded or unfolded. The cloth curtain 102 can be adapted to silicone writing pads of different sizes. In addition, by setting two of the cloth curtains 102, when the hot stamping area is located in the middle area of ​​the silicone writing pad, the ends of the two cloth curtains 102 that are close to each other can be moved in opposite directions to expose the middle area of ​​the silicone writing pad. When the hot stamping area is located at the end of the silicone writing pad, the cloth curtain 102 in the corresponding direction can be gathered toward the other cloth curtain 102 to expose the hot stamping area. It is easy to see that the heat insulation structure has the advantages of adjustable width and better versatility.

[0031] Furthermore, when the cloth curtain 102 moves to a specified position, in order to fix the position of the cloth curtain 102, as Figure 3 As shown, the thermal insulation assembly 10 also includes two limiting devices 103 for selectively fixing the cloth curtain 102 , and each of the two opposite ends of the cloth curtain 102 is provided with a limiting device 103 , and the limiting device 103 is located between the two adjacent rod holes 1021 of the corresponding cloth curtain 102 .

[0032] Specifically, Figure 3 and Figure 4As shown, the guide rod 101 has a convex strip 1011 on one side away from the abutment platform 91, and the limiting device 103 includes a guide seat 1031, a sliding member 1032, an elastic member 1033 and a holding member 1034. One end of the guide seat 1031 passes through the cloth curtain 102 and faces the guide rod 101, and the four sides of the guide seat 1031 are connected to the cloth curtain 102. The guide seat 1031 has a accommodating cavity 10311 at one end close to the guide rod 101, and the sliding member 1032 is slidably arranged on the guide seat 1031. In the accommodating cavity 10311, the two ends of the elastic member 1033 are respectively connected to the sliding member 1032 and the cavity wall of the accommodating cavity 10311, and the end of the sliding member 1032 away from the elastic member 1033 has a groove 10321. One end of the holding member 1034 passes through the guide seat 1031 and the elastic member 1033 and is connected to the sliding member 1032. The connection method includes but is not limited to threaded connection or welding. When the convex strip 1011 is inserted into the groove 10321, the elastic member 1033 is in a compressed state.

[0033] It should be noted that, since the limiting device 103 is located between the two adjacent rod holes 1021 of the corresponding cloth curtain 102, the distance that the cloth curtain 102 located between the two rod holes 1021 arches outward relative to the guide rod 101 is limited. It should be supplemented that, when the elastic member 1033, under the action of its own elastic force, makes the cloth curtain 102 located between the two rod holes 1021 arch outward to the limit distance relative to the guide rod 101, the elastic member 1033 is still in a compressed state and applies pressure to the sliding member 1032 so that the bottom wall of the groove 10321 presses against the convex strip 1011 on the guide rod 101, thereby fixing the position of the cloth curtain 102. When the position of the cloth curtain 102 needs to be moved, the operator can apply a pulling force to the holding piece 1034 outward and move the sliding piece 1032 away from the guide rod 101. The bottom wall of the groove 10321 no longer presses against the protrusion 1011. At this time, the cloth curtain 102 can be pulled to adjust the position of the cloth curtain 102 on the guide rod 101.

[0034] Furthermore, when the hot stamping area is located in the middle area of ​​the silicone writing pad, the ends of the two cloth curtains 102 close to each other are separated to fix the position of the ends of the cloth curtains 102 away from the limiting device 103, such as Figure 3 and Figure 5 As shown, the two facing ends of the two cloth curtains 102 each have a binding strip 1022, and the convex strip 1011 has a plurality of spaced-apart wire holes 10111, and the wire holes 10111 penetrate from the top surface of the convex strip 1011 to the bottom surface of the boss.

[0035] It should be noted that the operator can pass the binding strip 1022 through the corresponding wire hole 10111 at the designated position to fix the position of the end of the curtain 102 away from the limiting device 103 .

[0036] Furthermore, in order to realize the selective connection of the ends of the two cloth curtains 102 close to each other, as Figure 3 As shown, one of the cloth curtains 102 has a plurality of Velcro male surfaces 1023 at one end of the binding strip 1022, and another of the cloth curtains 102 has a plurality of Velcro female surfaces (not shown) at one end of the binding strip 1022. The Velcro male surfaces 1023 correspond to the Velcro female surfaces one by one, and each Velcro male surface 1023 is attached to or separated from the corresponding Velcro female surface. It should be noted that when the Velcro male surface 1023 is attached to the corresponding Velcro female surface, the two cloth curtains 102 are connected, and conversely, when each Velcro male surface 1023 is separated from any Velcro female surface, the two cloth curtains 102 are separated.

[0037] Furthermore, in order to prevent the bottom of the curtain 102 from shaking significantly when it falls naturally, Figure 3 As shown, each of the cloth curtains 102 has a weighted portion 1024 at the bottom to allow the cloth curtain 102 to fit the surface of the abutment platform 91 . The weighted portion 1024 is preferably a multi-layer fabric sewn at the bottom of the cloth curtain 102 .

[0038] In summary, the heat insulation structure of the hot stamping machine for the silicone writing pad based on the embodiment of the present application is explained, which provides the heat insulation structure of the hot stamping machine for the silicone writing pad with advantages such as preventing the silicone writing pad from being burned.

[0039] It is worth mentioning that in the embodiment of the present application, the heat insulation structure of the hot stamping machine for silicone writing pads has a simple structure, does not involve complex manufacturing processes and expensive materials, and has high economic efficiency. At the same time, for manufacturers, the heat insulation structure of the hot stamping machine for silicone writing pads provided by the present application is easy to produce and has low cost, which is more conducive to controlling production costs and further conducive to product promotion and use.

[0040] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functional and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. A heat insulation structure of a hot stamping machine for a silicone writing pad, which is arranged on the hot stamping machine, the hot stamping machine comprising a machine body, a resting table, a swinging table, a rotating drive device, a disc, a connecting rod, a heating device for heating the resting table and an aluminum foil strip with two ends wound in a cylindrical shape, the resting table and the rotating drive device are both fixedly connected to the machine body, the bottom of the swinging table is rotatably mounted on the machine body, the disc is rotatably mounted on the machine body and is fixedly connected to the rotating shaft of the rotating drive device, one end of the connecting rod is eccentrically arranged on the disc and rotatably connected to the disc, the other end of the connecting rod is rotatably connected to the swinging table, the swinging table has a plurality of placement protrusions, the aluminum foil strip is located between the resting table and the swinging table, the aluminum foil strip has a plurality of hot stamping strips arranged in an array, when the rotating drive device is actuated, the table surface of the swinging table is attached to or separated from the table surface of the resting table, characterized in that: The heat insulation structure of the hot stamping machine for the silicone writing pad includes: A heat insulation component, the heat insulation component includes a guide rod and two curtains, the guide rod is connected to the body in the length direction of the body, the top of each curtain has a plurality of rod holes, the guide rod passes through the rod holes on each curtain, the curtain is slidably set on the guide rod, when the table top of the swing table is in contact with the table top of the abutting table, the guide rod is located above the swing table, and the curtain and at least one of the hot stamping strips are located between the table top of the swing table and the table top of the abutting table, and the curtain is located on one side of the aluminum foil strip.

2. The heat insulation structure of the hot stamping machine for the silicone writing pad according to claim 1, characterized in that: The heat insulation assembly also includes two limiting devices for selectively fixing the cloth curtains. One limiting device is provided at the opposite ends of the two cloth curtains, and the limiting device is located between two adjacent rod holes of the corresponding cloth curtains.

3. The heat insulation structure of the hot stamping machine for the silicone writing pad according to claim 2, characterized in that: The guide rod has a convex strip on the side away from the abutment platform, and the limiting device includes a guide seat, a sliding member, an elastic member and a holding member. One end of the guide seat passes through the cloth curtain and faces the guide rod, and the guide seat is connected to the cloth curtain on all sides. The guide seat has an accommodating cavity at one end close to the guide rod, and the sliding member is slidably arranged in the accommodating cavity. The two ends of the elastic member are respectively connected to the sliding member and the cavity wall of the accommodating cavity, and the sliding member has a groove at one end away from the elastic member. One end of the holding member passes through the guide seat and the elastic member and is connected to the sliding member. When the convex strip is inserted into the groove, the elastic member is in a compressed state.

4. The heat insulation structure of the hot stamping machine for the silicone writing pad according to claim 3, characterized in that: The ends of the two cloth curtains facing each other are each provided with a binding strip, and the convex strip is provided with a plurality of wire holes arranged at intervals, and the wire holes penetrate from the top surface of the convex strip to the bottom surface of the boss.

5. The heat insulation structure of the hot stamping machine for the silicone writing pad according to claim 4, characterized in that: One of the cloth curtains has a plurality of Velcro male surfaces at one end of the binding strip, and the other cloth curtain has a plurality of Velcro female surfaces at one end of the binding strip, the Velcro male surfaces correspond to the Velcro female surfaces one by one, and each Velcro male surface is attached to or separated from the corresponding Velcro female surface.

6. The heat insulation structure of the hot stamping machine for the silicone writing pad according to any one of claims 1 to 5, characterized in that: The bottom of each of the cloth curtains has a weight-increasing portion.

Citation Information

Patent Citations

  • Silica gel soft writing base plate

    CN219821063U