A silica gel strip vulcanization device with UV modification function

Abstract

The utility model relates to a silica gel strip vulcanization device with UV modification function belongs to silica gel strip production device technical field, including vulcanization box main part and base support, be equipped with silica gel strip transmission device, heating device, UV device in vulcanization box main part, silica gel strip transmission device be driven by power mechanism, and silica gel strip transmission device includes setting in silica gel strip incoming side's driving roller, sets up in the adhesive tape advancing direction's driven roller, dynamic pulley and sets up in silica gel strip output side's supporting wheel, heating device and UV device set up on vulcanization box main part upper cover plate and lower bottom plate surface, and silica gel strip enters by vulcanization box main part one side, and outputs by vulcanization box main part other side, and heating device is used for heating to silica gel strip, and UV device is used for UV light illumination treatment to silica gel strip, the utility model discloses through above -mentioned structure, need not additive to carry out the processing to silica gel strip, reaches the effect that the surface is smooth and does not stick dust.

Description

Technical Field

[0001] This utility model relates to the technical field of silicone strip production equipment, specifically to a silicone strip vulcanization device with UV modification function. Background Technology

[0002] Silicone products are widely used in various fields such as industry, medical care, and daily necessities due to their excellent resistance to high and low temperatures, weather resistance, and high breathability. However, silicone products have a porous structure and large intermolecular spacing, making their sticky surfaces difficult to clean once contaminated. Currently, surface treatment processes for silicone products mainly include spraying a hand-feeling oil after molding, vacuum coating, applying talcum powder, and surface polishing. The first three processes have problems such as environmental pollution, flammability and explosiveness, and high cost. Summary of the Invention

[0003] To address the shortcomings of existing technologies, this invention provides a silicone strip vulcanization device with UV modification function. By installing a UV device and a heating device inside the chamber, it achieves a dust-free, smooth-feeling finish by altering the surface structure of the silicone without any additives. Simultaneously, the chamber is equipped with a silicone strip conveying device and a power device to ensure stable transmission of the silicone strip.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a silicone strip vulcanizing device with UV modification function, comprising a vulcanizing chamber body and a base support, wherein the vulcanizing chamber body is provided with a silicone strip conveying device, a heating device, and a UV device; the silicone strip conveying device is driven by a power mechanism and includes an active roller disposed on the silicone strip entry side, a driven roller disposed on the silicone strip forward direction, a movable pulley, and a support wheel disposed on the silicone strip output side; through the above device, the silicone strip enters from one side of the vulcanizing chamber body and exits from the other side of the vulcanizing chamber body.

[0005] The heating device and the UV device are installed on the surface of the upper cover plate and the lower bottom plate of the vulcanizing box. The heating device is used to heat the silicone strip, and the UV device is used to treat the silicone strip with UV light, thereby vulcanizing the silicone strip in the vulcanizing device.

[0006] The driving roller and driven roller are composed of multiple roller units. The driving roller and driven roller simultaneously transport N silicone strips, which can vulcanize multiple silicone strips at the same time.

[0007] The power mechanism includes a motor whose power output end is connected to the driving roller via a coupling, and the power output end of the coupling is connected to the synchronous pulley via a synchronous belt. The synchronous pulley is connected to the driven roller, so that the driving roller and the driven roller move synchronously and ensure transmission stability.

[0008] The vulcanizing chamber body includes an upper cover plate, a rear back plate, a lower bottom plate, a left side plate, a right side plate, and a front baffle plate. The upper cover plate and the rear back plate, as well as the front baffle plate and the lower bottom plate, are connected by hinges. Handles are provided on the front sides of both the upper cover plate and the front baffle plate, and a duckbill latch is provided between the front sides of the upper cover plate and the front baffle plate. This allows the vulcanizing chamber body to be opened and closed.

[0009] The heating device includes an upper heating layer located on the left half of the inner surface of the upper cover plate and a lower heating layer located on the right half of the inner surface of the lower base plate. The inner surface of the vulcanizing box body is provided with a heat insulation layer. The silicone strip in the vulcanizing device is vulcanized by the heating device.

[0010] The UV device includes a UV lamp assembly located on the right half of the inner surface of the upper cover plate and on the left half of the inner surface of the lower base plate. Reflectors are provided on the mounting surface and sides of the UV lamp assembly. This configuration improves the irradiation effect of the UV lamps, enabling UV modification treatment of the silicone strips in the vulcanizing device. A silicone strip vulcanizing device with UV modification function simultaneously possesses vulcanization and UV modification capabilities.

[0011] A sliding rail is installed on the inner surface of the back panel, and a movable pulley is mounted on the sliding rail. The movable pulley is parallel to the driven roller and is located below the driven roller, biased towards the output direction of the silicone strip. The movable pulley can move up and down in the vertical direction for easy traction of the silicone strip.

[0012] Inside the vulcanizing chamber, a lower support wheel is provided on the output side of the silicone strip. The silicone strip enters from the upper part of one side of the vulcanizing chamber, passes over the upper parts of the driving and driven rollers, goes around the lower part of the moving pulley, passes over the upper part of the lower support wheel, and is output from the lower part of the other side of the vulcanizing chamber. The support wheel prevents the silicone strip from loosely contacting the lower heating layer.

[0013] The movable pulley changes the output direction of the silicone strips. A slitting device is located on the left side, parallel to the movable pulley. The slitting device consists of a row of evenly arranged cylindrical structures, which are vertically positioned and connected to the bottom plate at their bottom. The slitting device ensures that the silicone strips are transported within their respective designated tracks.

[0014] The beneficial effects of this utility model are as follows: This utility model, through the above structure, provides a silicone strip vulcanizing device with UV modification function. By designing and arranging two sets of rotatable rollers with tracks, a movable pulley, and a support wheel, the pre-cured silicone strips can be transported along a set trajectory within the vulcanizing device. The two sets of rotatable rollers with tracks are respectively the driving roller and the driven roller, each set consisting of multiple roller units, allowing for the simultaneous vulcanization of multiple silicone strips. The movable pulley can move up and down vertically for convenient traction of the silicone strips. The support wheel prevents the silicone strips from loosely contacting the lower heating layer. A slitting device is arranged on the right side of the movable pulley to ensure that the silicone strips are transported within their respective set tracks. Heating devices are provided in the front half of the upper layer and the rear half of the lower layer of the vulcanizing device to vulcanize the silicone strips. UV devices are arranged in the front half of the lower layer and the rear half of the upper layer of the vulcanizing device. Reflectors are installed on the mounting surface and sides of the UV lamp to improve the irradiation effect of the UV lamp and perform UV modification treatment on the silicone strips in the vulcanizing device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 for Figure 1 Top view;

[0017] Figure 3 This is a schematic diagram of the internal structure of the vulcanizing box.

[0018] Figure 4 This is a side sectional view of the present invention;

[0019] Figure 5 This is a front view of the front baffle and top cover of this utility model after they are opened. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] As shown in the accompanying drawings, this embodiment provides a silicone strip vulcanization device with UV modification function, including a vulcanization box body 6, a base support 5, a motor 1, a coupling 7, a synchronous pulley 9, and a synchronous belt 8.

[0022] The vulcanizing box body includes a bottom plate 6-5, an upper cover plate 6-1, a back plate 6-6, a front baffle 6-4, a left side plate 6-2, a right side plate 6-3, a handle 4, a duckbill latch 3, a hinge 6-7, a heat insulation layer 10-3, an upper heating layer 10-1, a lower heating layer 10-2, a UV lamp assembly 12, a reflector 11, a drive roller 13, a driven roller 14, a movable pulley 16, a sliding track 15, a support wheel 18, and a slitting device 17.

[0023] The base bracket 5 is connected to the bottom plate 6-5 and the back plate 6-6 of the vulcanizing box body 6. The height of the base bracket 5 should be convenient for operators to operate. The base bracket 5 has a triangular fixing structure on the side to increase the stability of the base.

[0024] The bearings of motor 1 and drive roller 13 are connected via coupling 7. Motor 1 is fixed on base bracket 5 to reduce vibration during operation. Driven roller 14 and drive roller 13 are connected by synchronous pulleys 9 on the two rollers via synchronous belt 8 to achieve synchronous movement of the two rollers. In general, when the switch is turned on, motor 1 starts running, driving drive roller 13 through coupling 7, and then driving driven roller 14 synchronously through synchronous pulleys 9 and synchronous belt 8.

[0025] The main body 6 of the vulcanizing box is a cuboid structure. The bottom plate 6-5 and the back plate 6-6 are fixed on the base bracket 5. The top cover plate 6-1 and the back plate 6-6 are connected by a hinge 6-7. The front baffle 6-4 and the bottom plate 6-5 are connected by a hinge 6-7. The front baffle 6-4 and the top cover plate 6-1 are locked together by a duckbill latch 3.

[0026] Handles 4 are provided at the front of the upper cover 6-1 and the front of the front baffle 6-4 for easy opening and closing. To open, first open the duckbill latch 3, lower the front baffle 6-4, and then open the upper cover 6-1. To close, first close the upper cover 6-1, then close the front baffle 6-4, and then lock the duckbill latch 3.

[0027] The left side panel 6-2 and the rear panel 6-6 are connected by hinge 6-7, and the right side panel 6-3 and the rear panel 6-6 are connected by hinge 6-7. The left and right side panels are magnetically attached to the front baffle 6-4.

[0028] The vulcanizing chamber body 6 is equipped with a driving roller 13, a driven roller 14, a movable pulley 16, and a support wheel 18. The driving roller 13 and the driven roller 14 are at the same horizontal level. The driven roller 14 is located in the middle of the vulcanizing chamber body 6 near the upper cover plate 6-1, and the driving roller 13 is to the left of the driven roller 14. The movable pulley 16 is located below the driven roller 14 near the lower bottom plate 6-5, with the left edge of the movable pulley 16 and the right edge of the driven roller 14 approximately on the same vertical line. A support wheel 18 is located to the right of the movable pulley 16. Before UV surface modification, the lower edge of the movable pulley is adjusted to be approximately at the same horizontal level as the upper edge of the support wheel.

[0029] Inside the vulcanizing chamber body 6, on the right side of the movable pulley 16, a slitting device 17 is provided. The slitting device 17 has multiple baffles, with the gap between each pair of adjacent baffles used for the passage of silicone strips. The number of baffle gaps in the slitting device is the same as the number of roller units in the drive roller. This ensures that each silicone strip is transported within its own path. The baffles can be cylindrical in structure.

[0030] After the silicone strip 2 enters the vulcanizing box body 6, it passes through the active roller 13, driven roller 14, moving pulley 16, slitting device 17 and support wheel 18 to complete the hot vulcanization and UV surface modification, and is then transported out of the vulcanizing box.

[0031] The movable pulley 16 can move vertically, with its range of motion between the lower edge of the driven roller 14 and the upper edge of the support roller 18. The sliding track 15 is fixed to the back plate 6-6. The movable pulley is adjusted to a suitable height during silicone strip traction for easier operation. After traction is complete, the height of the movable pulley is adjusted so that the lower edge of the movable pulley 16 is at the same horizontal level as the upper edge of the support roller, and then vulcanization and UV surface modification treatment begin.

[0032] The sliding track 15 adopts a sawtooth structure. The end of the movable pulley can be fixed in the arc-shaped groove, or it can be moved obliquely upward out of the groove and then into other grooves.

[0033] The driving roller 13 is assembled from multiple roller units, each with a groove larger than the silicone strip to ensure that the silicone strip can be transported within the groove. The driven roller 14 has the same structure and axial placement as the driving roller 14, allowing the silicone strip 2 to be transported in a straight line within the vulcanizing device.

[0034] The inner walls of the vulcanizing box body 6 are all equipped with heat insulation layers 10-3. The heat insulation layers 10-3 can reduce heat loss and protect operators from burns.

[0035] Heating devices are installed on the left half of the upper cover plate 6-1 and the right half of the lower bottom plate 6-5 of the vulcanizing box. The heating devices consist of an upper heating layer 10-1 and a lower heating layer 10-2. The heating devices are adjacent to the heat insulation layer to reduce heat transfer to the outside and allow the heat to be used to heat the silicone strips conveyed inside. A certain gap is maintained between the silicone strip 2 and the heating device to avoid direct contact.

[0036] The upper heating layer 10-1 of the upper cover plate 6-1 is greater than or equal to the width of the driving roller 13 and the driven roller 14, and the width of the heating layer 10-2 of the lower base plate 6-5 is greater than or equal to the width of the movable pulley 16 and the support wheel 18, so that the silicone strip 2 can be heated evenly during transmission. The parallel gap between the upper heating layer 10-1 and the lower heating layer 10-2 and the surface of the roller or support wheel should not be too large in order to reduce heat loss. The upper heating layer 10-1 and the heating layer 10-2 adopt electric heating and are equipped with thermocouple temperature sensors and temperature regulators, with a temperature adjustment range between 50 and 300°C.

[0037] A UV lamp assembly 12, which is a UV curing lamp tube, is provided at the center of the right half of the upper cover plate 6-1 and the left half of the lower bottom plate 6-5 of the vulcanizing box body 6. The UV curing lamp of the upper cover plate 6-1 is used to irradiate the upper surface of the silicone strip 2, and the UV curing lamp of the lower bottom plate 6-5 is used to irradiate the lower surface of the silicone strip 2.

[0038] Reflectors 11 are arranged on the bottom surface of the UV curing lamp and on the left and right side panels of the vulcanizing chamber body 6, adjacent to the heat insulation layer 10-3. Additionally, a 45° angled reflector is placed at the angle between the bottom plate 6-5 and the side panels, reflecting the UV light hitting the side panels onto the silicone strip 2. The reflectors 11 are made of mirrored aluminum. The reflector arrangement maximizes the utilization of the UV curing lamp's light.

[0039] Through UV radiation, the surface chemical bonds of the silicone strip 2 break and re-form new covalent bonds, increasing the molecular weight of the silicone and improving its strength, hardness, and wear resistance. The modified silicone strip exhibits good dustproof and antistatic properties, and has an improved feel.

[0040] Example 1:

[0041] Silicone strips with a cross-section of 10mm*1mm were produced by 2-8-hole extrusion. The extrusion speed of a single strip was set to 0.15m / s, and the vulcanization temperature was set to 170℃. Through experiments, it was found that the vulcanization time at 170℃ was 12s. Therefore, the minimum vulcanization length was calculated as: L=νt=0.15×12=1.8(m).

[0042] The vulcanizing chamber body 6 of the silicone strip vulcanizing device with UV modification function is 1.8m long, 0.5m wide, and 0.45m high. The vulcanizing chamber body 6 is equipped with heat insulation layers 10-3 on the top, bottom, and all four sides. The thickness of the heat insulation layer 10-3 is 0.02m. The heat insulation layer 10-3 is used to maintain a constant temperature environment, reduce heat loss, and prevent burns to operators.

[0043] The silicone strip vulcanizing device with UV modification function includes a driving roller 13, a driven roller 14, a movable pulley 16, and a support wheel 18. The shafts of the driving roller 13 and the driven roller 14 are fixed on the back plate 6-6. The two rollers are at the same horizontal height, located at the upper part of the vulcanizing box body 6, with the driving roller 13 to the left of the driven roller 14. The upper edges of the driving roller 13 and the driven roller 14 are 0.05m away from the heating layer, and the center distance between the two rollers is 0.8m.

[0044] Each of the driving roller 13 and driven roller 14 comprises eight roller units, each with a diameter of 0.08 μm and a thickness of 0.05 μm. Each roller unit has a 20 mm wide and 5 mm deep groove in the center of its surface. The driven roller 13 and driving roller 14 are aligned front to back. The driving roller 13 is driven to rotate by the motor 1, and the driven roller 14 moves synchronously. Both the driving roller 13 and driven roller 14 are made of aluminum alloy. Synchronous pulleys 9 are mounted on the shafts of the driving roller 13 and driven roller 14, and the two rollers are linked by a synchronous belt 8. The driving roller 13 is connected to the motor 1 via a coupling 7. The transmission speed of the silicone strip 2 in the vulcanization device must be consistent with the extrusion speed. Therefore, the linear velocity of the roller rotation is set to 0.15 m / s, and the angular velocity is approximately 4.3 rad / s.

[0045] The movable pulley 16 is located to the lower right of the driven roller 14 and is installed in the sliding rail 15. The movable pulley 16 has a diameter of 0.05m and a length of 0.4m. The lower edge of the movable pulley 16 is 0.06m away from the heating layer, and the horizontal distance between the movable pulley 16 and the driven roller 14 is 0.065m.

[0046] The sliding track 15 is fixed on the back panel 6-6, and the sliding track is serrated.

[0047] The support wheel 18 is located to the right of the movable pulley 16. The upper edge of the support wheel 18 is 0.06m away from the heating layer, and the diameter of the support wheel is 0.05m.

[0048] A slitting device 17 is provided between the movable pulley 16 and the support wheel 18, near the movable pulley 16. The slitting device 17 is provided with 9 cylindrical baffles. The baffles are 0.03m higher than the upper surface of the movable pulley, and the center of the gap between the baffles is aligned with the center of the groove of the driven roller.

[0049] The silicone strip vulcanizing device with UV modification function has heating layers on the left half of the upper cover plate 6-1 and the right half of the lower base plate 6-5. The heating layers consist of serpentine heating tubes, with a width boundary of 0.45m, greater than the length of rollers and pulleys, ensuring uniform heating of the silicone strip. The heating temperature is set to 170℃.

[0050] Inside the vulcanizing unit, a UV lamp is installed at the center of the right half of the upper cover plate and the left half of the lower bottom plate. The UV wavelength is 290~400nm and the lamp power is 40W.

[0051] Reflectors 11 are provided at the bottom and sides of the UV lamp. A 0.1m wide reflector 11 at a 45° angle to the bottom plate is arranged at the angle between the bottom plate 6-5 and the side plate. The side reflector 11 can reflect UV light onto the silicone strip in the middle, while the reflector 11 at a 45° angle to the bottom plate and the reflector 11 on the bottom plate can reflect UV light onto the silicone strip 2 opposite the bottom plate.

[0052] The silicone strip vulcanizing device with UV modification function has an openable and closable structure for its top cover 6-1, front baffle 6-4, and left and right side plates, connected by two hinges 6-7. When open, the silicone strip 2 is pulled; after pulling, the top cover 6-1, front baffle 6-4, and left and right side plates are closed, and the hook-and-loop fastener 3 is locked in place. Heating and UV modification occur simultaneously when closed.

Claims

1. A silicone strip vulcanizing device with UV modification function, comprising a vulcanizing chamber body (6) and a base support (5), wherein the silicone strip (2) enters from one side of the vulcanizing chamber body (6) and exits from the other side of the vulcanizing chamber body (6), characterized in that: The vulcanizing box body (6) is equipped with a silicone strip conveying device, a heating device, and a UV device; The silicone strip transmission device is driven by a power mechanism. The silicone strip transmission device includes an active roller (13) on the silicone strip (2) entry side, a driven roller (14) and a movable pulley (16) on the silicone strip (2) forward direction, and a support wheel (18) on the silicone strip (2) output side. The heating device and UV device are installed on the surface of the upper cover plate (6-1) and lower bottom plate (6-5) of the vulcanizing box body (6). The heating device is used to heat the silicone strip (2), and the UV device is used to treat the silicone strip (2) with UV light.

2. The silicone strip vulcanization device with UV modification function according to claim 1, characterized in that: The active roller (13) and driven roller (14) are composed of multiple roller units, and the active roller (13) and driven roller (14) simultaneously transport N silicone strips (2).

3. The silicone strip vulcanization device with UV modification function according to claim 1, characterized in that: The power mechanism includes a motor (1) whose power output end is connected to the driving roller (13) via a coupling (7), the power output end of the coupling (7) is connected to the synchronous pulley (9) via a synchronous belt (8), the synchronous pulley (9) is connected to the driven roller (14), and the driving roller (13) and the driven roller (14) move synchronously.

4. The silicone strip vulcanization device with UV modification function according to claim 1, characterized in that: The vulcanizing box body (6) includes an upper cover plate (6-1), a rear back plate (6-6), a lower bottom plate (6-5), a left side plate (6-2), a right side plate (6-3), and a front baffle plate (6-4).

5. A silicone strip vulcanization device with UV modification function according to claim 4, characterized in that: The upper cover plate (6-1) and the back panel (6-6), and the front baffle plate (6-4) and the lower bottom plate (6-5) are connected by hinges (6-7); the front side of the upper cover plate (6-1) and the front side of the front baffle plate (6-4) are provided with handles (4), and the front side of the upper cover plate (6-1) and the front baffle plate (6-4) are provided with a duckbill latch (3).

6. The silicone strip vulcanization device with UV modification function according to claim 4, characterized in that: The heating device includes an upper heating layer (10-1) located on the left half of the inner surface of the upper cover plate (6-1) and a lower heating layer (10-2) located on the right half of the inner surface of the lower bottom plate (6-5). The inner surface of the vulcanizing box body (6) is provided with a heat insulation layer (10-3).

7. A silicone strip vulcanization device with UV modification function according to claim 4, characterized in that: The UV device includes a UV lamp assembly (12) disposed on the right half of the inner surface of the upper cover plate (6-1) and on the left half of the inner surface of the lower base plate (6-5), and a reflector (11) is provided on the mounting surface of the UV lamp assembly (12).

8. A silicone strip vulcanization device with UV modification function according to claim 4, characterized in that: The inner surface of the back plate (6-6) is equipped with a sliding rail (15), and a movable pulley (16) is installed on the sliding rail (15); the movable pulley (16) is parallel to the driven roller (14), and the movable pulley (16) is located on the lower side of the driven roller (14), biased towards the output direction of the silicone strip (2).

9. A silicone strip vulcanization device with UV modification function according to claim 8, characterized in that: Inside the vulcanizing box body (6), a lower support wheel (18) is provided on the output side of the silicone strip (2). The silicone strip (2) enters from the upper part of one side of the vulcanizing box body (6), passes the upper part of the active roller (13) and the driven roller (14), goes around the lower part of the moving pulley (16), passes the upper part of the lower support wheel (18), and is output from the lower part of the other side of the vulcanizing box body (6).

10. A silicone strip vulcanization device with UV modification function according to claim 8, characterized in that: The silicone strip (2) of the movable pulley (16) is provided with a slitting device (17) in the output direction. The slitting device (17) is parallel to the movable pulley (16). The slitting device (17) is composed of a row of uniformly arranged cylindrical structures. The cylindrical structures are vertically arranged and their bottoms are connected to the bottom plate (6-5).

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