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CN-224210325-U - Preheating device for producing heat-conducting silica gel sheet

CN224210325UCN 224210325 UCN224210325 UCN 224210325UCN-224210325-U

Abstract

The utility model discloses a preheating device for producing a heat-conducting silica gel sheet, which comprises a bottom plate, wherein a placing plate is arranged at the upper end of the bottom plate in a sliding manner, a heat-insulating cover is covered above the placing plate, a heating net is fixedly arranged at the upper end inside the heat-insulating cover, two limiting frames are arranged at two sides of the heat-insulating cover and controlled to be close to or far away from each other through a limiting mechanism, the limiting frames are movably connected with limiting plates, the limiting plates are positioned inside the heat-insulating cover, and rollers are rotatably arranged at two ends of one side of each limiting plate. According to the utility model, the placing plate is opened or closed by pushing and pulling the handle, so that the heat-conducting silica gel sheet can be conveniently taken and placed, and the heat in the heat preservation cover can be prevented from being lost rapidly; when the placing plate is closed, the two limiting frames can move towards the inside of the heat preservation cover at the same time through the limiting mechanism, so that the two groups of limiting plates and the idler wheels can push the heat conduction silica gel sheet to the middle of the placing plate, and the heat conduction silica gel sheet is heated more uniformly.

Inventors

  • XU DAZHUANG

Assignees

  • 苏州业凯电子科技有限公司

Dates

Publication Date
20260508
Application Date
20250411

Claims (6)

  1. 1. The preheating device for producing the heat-conducting silica gel sheet comprises a bottom plate (1) and is characterized in that a placing plate (2) is arranged at the upper end of the bottom plate (1) in a sliding manner, a heat-preserving cover (3) is covered above the placing plate (2), and the lower end of the heat-preserving cover (3) is fixedly connected with the upper end of the bottom plate (1); a heating net (4) is fixedly arranged at the upper end inside the heat preservation cover (3), and the heating net (4) is positioned above the middle part of the placing plate (2); Two sides of the heat preservation cover (3) are provided with limiting frames (5), the limiting frames (5) are in sliding connection with the heat preservation cover (3), and the two limiting frames (5) are controlled to be close to or far away from each other through a limiting mechanism (6); The limiting frame (5) is movably connected with a limiting plate (7), the limiting plate (7) is positioned inside the heat preservation cover (3), and rollers (8) are rotatably arranged at two ends of one side of the limiting plate (7).
  2. 2. The preheating device for producing the heat-conducting silica gel sheet according to claim 1, wherein the limiting frame (5) comprises an outer plate (51), an inner plate (52) and first guide posts (53), the outer plate (51) and the inner plate (52) are fixedly connected through the two first guide posts (53), the outer plate (51) is positioned outside the heat-preserving cover (3), the inner plate (52) is positioned inside the heat-preserving cover (3), and the first guide posts (53) are slidably connected with two sides of the heat-preserving cover (3).
  3. 3. The preheating device for producing the heat-conducting silica gel sheet according to claim 2, wherein two second guide posts (71) are arranged on one side of the limiting plate (7), the second guide posts (71) are in sliding connection with the inner plate (52), springs (73) are sleeved outside the second guide posts (71), the springs (73) are located between the inner plate (52) and the limiting plate (7), and limiting blocks (72) used for preventing the limiting plate (7) from falling off are arranged on the end faces of the second guide posts (71).
  4. 4. The preheating device for producing the heat-conducting silica gel sheet according to claim 2, wherein the limiting mechanism (6) comprises a fixing frame (61) fixed on two sides of the heat-preserving cover (3), a screw rod (62) is rotatably installed on the fixing frame (61), the screw rod (62) is in threaded connection with the outer plate (51), a large belt pulley (63) is arranged at one end of the screw rod (62), a rotating shaft (64) is rotatably installed on two sides of the heat-preserving cover (3), a small belt pulley (65) is arranged at one end of the rotating shaft (64), the small belt pulley (65) is located outside the heat-preserving cover (3), the small belt pulley (65) is in transmission connection with the large belt pulley (63) through a belt (66), a gear (67) is arranged at the other end of the rotating shaft (64), a rack (68) is fixedly installed at the bottom of the placing plate (2), and the rack (68) is in meshed connection with the gear (67).
  5. 5. The preheating device for producing heat-conducting silica gel sheets according to claim 1, wherein the upper end of the bottom plate (1) is provided with two guide rails (11), the bottom of the placing plate (2) is provided with two sliding blocks (23), and the sliding blocks (23) are in sliding connection with the guide rails (11).
  6. 6. The preheating device for producing a heat-conducting silica gel sheet according to claim 1, wherein an opening is provided at one end of the heat-retaining cover (3), a baffle (21) for sealing the opening is provided at one end of the placement plate (2), and a handle (22) for opening the placement plate (2) is provided outside the baffle (21).

Description

Preheating device for producing heat-conducting silica gel sheet Technical Field The utility model relates to the technical field of heat-conducting silica gel sheet production, in particular to a preheating device for producing a heat-conducting silica gel sheet. Background The heat-conducting silica gel sheet is an electronic heat-conducting insulating material, has higher heat conductivity coefficient, can effectively transfer heat, reduce thermal resistance, improve heat dissipation efficiency, has good insulating property, can prevent circuit short circuit and electric leakage, ensures the safe operation of electronic equipment, is soft in material, has certain elasticity, can adapt to the bonding requirements of different shapes and surfaces, effectively fills gaps, can be used in a wider temperature range, can generally bear the temperature change of-55 ℃ to 210 ℃, has stable chemical property, is not easy to be corroded by chemical substances, has good weather resistance and ageing resistance, accords with environmental protection standards, is nontoxic and odorless, and has no harm to human bodies and environment. The utility model discloses a preheating device is used in production of heat conduction silica gel piece in chinese novel practical patent of bulletin number CN221968662U, drives the stock through the motor and rotates, and the stock rotates and drives two splint and remove to the support direction to fix the heat conduction silica gel piece, and fix the center department at the support with the heat conduction silica gel piece, improved the heating homogeneity of hot plate from this, improved the yield. In view of the above-mentioned related art, the inventors consider that there are drawbacks in that after the heating is completed, the motor drives the two clamping plates to be opened, and the shield is opened at the same time, but the shield is completely opened, so that the heat in the interior is completely dissipated, energy is wasted, and the heating plate is required to continuously heat in the subsequent heating, and a long time is required to ensure the constant temperature in the shield, thus affecting the heating efficiency, so we propose a preheating device for producing a heat-conductive silica gel sheet. Disclosure of utility model The present utility model is directed to a preheating device for producing heat-conductive silica gel sheets, which solves the above-mentioned problems in the prior art. The preheating device for producing the heat-conducting silica gel sheet comprises a bottom plate, wherein a placing plate is arranged at the upper end of the bottom plate in a sliding manner, a heat-preserving cover is covered above the placing plate, and the lower end of the heat-preserving cover is fixedly connected with the upper end of the bottom plate; a heating net is fixedly arranged at the upper end of the inside of the heat preservation cover, and the heating net is positioned above the middle part of the placing plate; The two sides of the heat preservation cover are provided with limiting frames which are in sliding connection with the heat preservation cover, and the two limiting frames are controlled to be close to or far away from each other through a limiting mechanism; The limiting frame is movably connected with a limiting plate, the limiting plate is positioned inside the heat preservation cover, and rollers are rotatably mounted at two ends of one side of the limiting plate. Preferably, the limiting frame comprises an outer plate, an inner plate and first guide posts, wherein the outer plate and the inner plate are fixedly connected through the two first guide posts, the outer plate is positioned outside the heat preservation cover, the inner plate is positioned inside the heat preservation cover, and the first guide posts are in sliding connection with two sides of the heat preservation cover. Preferably, two second guide posts are arranged on one side of the limiting plate, the second guide posts are in sliding connection with the inner plate, springs are sleeved outside the second guide posts, the springs are located between the inner plate and the limiting plate, and limiting blocks for preventing the limiting plate from falling off are arranged on the end faces of the second guide posts. Preferably, the stop gear is including fixing the mount in heat preservation cover both sides, the mount rotates installs the lead screw, and lead screw and planking pass through threaded connection, lead screw one end is equipped with big belt pulley, the heat preservation cover both sides rotate and install the pivot, pivot one end is equipped with the belt pulley, and the belt pulley is located the heat preservation cover outside, the belt pulley passes through belt drive with big belt pulley to be connected, the pivot other end is equipped with the gear, place board bottom fixed mounting and have the rack, the rack is connected with the gear engagement. Preferably, t