A constant temperature heating device for ceramic welding

Abstract

This utility model discloses a constant temperature heating device for ceramic welding, comprising: a heat preservation device and a heating device disposed within the heat preservation device; the heat preservation device is a foldable and closable constant temperature heat preservation mechanism; it consists of a rectangular lower box fixedly disposed on a base and an upper box hinged to one side of the lower box and foldable and closable; the lower box includes: a flat placement frame and a connecting frame with a three-sided enclosure structure; the upper box includes: a heat insulation cover hinged to the lower box for foldable and closable operation, a baffle is provided on one side of the heat insulation cover, and a liftable pressure plate is provided in the middle of the heat insulation cover; the heating device includes a flexible heating film and a temperature controller; the flexible heating film is disposed within the box of the heat preservation device. This utility model device uses a flexible heating film to cover and heat ceramic sheets, achieving rapid heating; the placement frame has through holes for ventilation to prevent heat accumulation; the connecting frame and the heat insulation cover can achieve heat preservation; the pressure plate can press against the ceramic sheet covered with the flexible heating film, improving stability.

Description

Technical Field

[0001] This utility model relates to the field of electronic ceramic processing and welding equipment technology, specifically a constant temperature heating device for ceramic welding. Background Technology

[0002] Ceramic welding processes often require controlled temperature rise and concentrated heat zones to prevent material cracking, microcrack formation, and detachment of the metal electrode layer. Conventional hot air or surface heating devices have drawbacks such as large heat diffusion range and uneven heating. Especially in low-temperature solder processes (such as SnBi alloys), heating time and temperature errors can easily cause problems such as incomplete welds and ceramic deformation. Currently, most heating devices used for ceramic welding are general-purpose heating platforms with large structural volumes, which are not convenient for implementing point-to-point heat control in micro-areas. Secondly, the heating is delayed, which cannot meet the requirements of rapid response welding processes. Summary of the Invention

[0003] The purpose of this invention is to provide a constant temperature heating device for ceramic welding, so as to solve the problems of large structural volume, inconvenience for fixed-point heat control in micro-areas, delayed heating, and inability to meet the requirements of rapid response welding processes in the prior art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A constant temperature heating device for ceramic welding, characterized in that it comprises: a heat preservation device, and a heating device disposed in the heat preservation device;

[0006] The heat preservation device is a foldable and closable constant temperature heat preservation mechanism; it consists of a rectangular lower box fixed on the base and an upper box hinged to one side of the lower box and foldable and closable; the lower box includes: a flat placement frame fixed on the base, and a connecting frame fixed on the placement frame with an opening on one side to form a three-sided enclosure structure of the lower box; the upper box includes: a heat insulation cover that matches the rectangular flat structure of the lower box, one side of the heat insulation cover is hinged to the lower box to achieve folding and opening, and a baffle larger than the thickness of the heat insulation cover is fixed on the opposite side to close the opening side of the lower box when the upper box and the lower box are closed, and a liftable pressure plate is set in the middle of the heat insulation cover;

[0007] The heating device consists of one or two flexible heating films and a temperature controller connected to the control unit; the flexible heating film is set inside the box of the heat preservation device and is used to flexibly cover and heat the ceramic sheet placed on the shelf.

[0008] Furthermore, the inner wall of the three-sided enclosure structure connecting frame of the lower box is equipped with a replaceable and removable heat insulation board through a groove.

[0009] The surface of the placement rack is further provided with evenly spaced and through holes.

[0010] A lifting mechanism is further provided in the middle of the heat insulation cover. The lifting mechanism includes: an adjusting screw that passes through the center of the heat insulation cover, a handwheel for rotation at the outer end of the adjusting screw, and a hinged connection between the inner end of the adjusting screw and the back of the pressure plate; four sets of limiting slide cylinders are symmetrically arranged on the inner surface of the heat insulation cover, and four limiting slide rods are provided at the positions on the back of the pressure plate that match the four sets of limiting slide cylinders and are limited to slide within the limiting slide cylinders.

[0011] Furthermore, the upper surface of the placement rack is ground rough to prevent slipping, and the flexible heating film adheres to the surface of the placement rack on both sides when covering the ceramic sheet.

[0012] Furthermore, a connecting seat is provided in the middle of the outer surface of the heat insulation cover, and a threaded hole is provided in the center of the connecting seat for adjusting the screw to be adjusted up and down stably through the thread.

[0013] Furthermore, the temperature controller is mounted on the base and is controlled by a cable passing through the connecting frame of the enclosure structure.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] By connecting the base and the placement rack, and with the connection between the placement rack and the flexible heating film, the ceramic sheet placed on the placement rack is covered and heated, achieving a rapid heating effect. This meets the requirements of rapid response welding processes. The through holes on the placement rack can be used for ventilation to prevent heat accumulation.

[0016] By connecting the connecting frame and the heat insulation cover, and with the heat insulation cover and the connecting seat connected together, the heat insulation cover helps to maintain the heating temperature. With the connection of the adjusting screw and the pressure plate, the ceramic sheet covered with the flexible heating film can be pressed down to improve its stability. By connecting the connecting frame and the heat insulation plate, heat insulation plates of different materials can be replaced according to actual needs to meet the requirements and improve the scope and performance of use. Attached Figure Description

[0017] Figure 1 This is a frontal perspective three-dimensional schematic diagram of the device structure of this utility model;

[0018] Figure 2 This is a three-dimensional view of the structure of the device of this utility model.

[0019] Figure 3 This is a three-dimensional exploded view of the heat insulation cover structure of the present invention, viewed from the front and cross-section.

[0020] Figure 4 This is a three-dimensional exploded view of the connection structure between the connecting frame and the heat insulation plate of the present invention;

[0021] Figure 5This is a three-dimensional schematic diagram of the connection structure between the device placement frame and the flexible heating film of this utility model.

[0022] In the diagram: 1. Base; 2. Placement rack; 3. Temperature controller; 4. Connecting rack; 41. Heat insulation plate; 5. Heat insulation cover; 51. Connecting seat; 52. Adjusting screw; 53. Baffle; 54. Pressure plate; 55. Limiting slide bar; 56. Limiting slide cylinder; 6. Flexible heating film. Detailed Implementation

[0023] The present invention will be further described below with reference to specific embodiments. These specific embodiments are further explanations of the principle of the present invention and are not intended to limit the present invention in any way. Any technology that is the same as or similar to the present invention does not exceed the protection scope of the present invention.

[0024] As shown in the figure, this embodiment of a constant temperature heating device for ceramic welding includes a base 1, a temperature controller 3, and a flexible heating film 6.

[0025] A placement rack 2 is fixedly connected to the surface of the base 1. A connecting rack 4 is fixedly connected to the surface of the placement rack 2. A heat insulation cover 5 is movably connected to the surface of the connecting rack 4. A heat insulation plate 41 is inserted into the inner wall of the connecting rack 4. A connecting seat 51 is fixedly connected to the upper surface of the heat insulation cover 5. An adjusting rod 52 is threadedly connected to the surface of the connecting seat 51. A baffle 53 is fixedly connected to one side surface of the heat insulation cover 5. A pressure plate 54 is movably connected to the bottom end of the adjusting rod 52. A limit rod 55 is fixedly connected to the surface of the pressure plate 54. A limit cylinder 56 is fixedly connected to the inner wall of the heat insulation cover 5. Through the connection between the base 1 and the placement rack 2, and the connection between the placement rack 2 and the flexible heating film 6, the ceramic sheet placed on the placement rack 2 is heated. Under the control connection between the temperature controller 3 and the flexible heating film 6, the operating temperature of the flexible heating film 6 is controlled.

[0026] The upper surface of the placement rack 2 is ground, and the flexible heating film 6 is wrapped around it and attached to the surface of the placement rack 2 on both sides. Through holes are opened through the surface of the placement rack 2. The grinding treatment of the surface of the placement rack 2 improves the stability of the ceramic sheet on the placement rack 2. Under the action of the flexible heating film 6, the ceramic sheet can be heated quickly and comprehensively. The flexible heating film 6 adopts a PI / carbon ink resistive film structure. Under the action of the through holes on the surface of the placement rack 2, heat accumulation is avoided.

[0027] The opening on one side of the connecting frame 4 forms a three-sided enclosure structure in the shape of "[". The temperature controller 3 is electrically connected to the flexible heating film 6 through wires. Through the connection between the placement frame 2 and the connecting frame 4, the heat insulation cover 5 is supported and controlled on the placement frame 2 under the action of the connecting frame 4.

[0028] The heat insulation cover 5 acts above the placement frame 2 through the connecting frame 4, and the baffle 53 acts on the open side of the connecting frame 4 through the heat insulation cover 5. Through the connection of the heat insulation cover 5 and the baffle 53, the baffle 53 achieves the effect of blocking the open side of the connecting frame 4 and improving its heat insulation performance.

[0029] The adjusting screw 52 passes through the connecting seat 51 and the heat insulation cover 5 and is rotatably connected to the pressure plate 54. The pressure plate 54 is in contact with the surface of the flexible heating film 6 through the adjusting screw 52. Through the threaded connection between the connecting seat 51 and the adjusting screw 52, ​​the position of the pressure plate 54 is changed under the rotation of the adjusting screw 52, ​​thereby improving the stability of the pressure plate 54 in heating the ceramic sheet.

[0030] The limiting slide rods 55 are distributed in four groups on the surface of the pressure plate 54. The limiting slide rods 55 and the limiting slide cylinders 56 are slidably inserted into each other. The limiting slide cylinders 56 are distributed in four groups on the inner wall of the heat insulation cover 5. Through the connection between the pressure plate 54 and the limiting slide rods 55, the limiting performance of the pressure plate 54 during the movement is improved by the insertion and sliding of the limiting slide rods 55 and the limiting slide cylinders 56.

[0031] Working principle: When heating and welding ceramic sheets, the ceramic sheets are placed on the placement rack 2, and then the flexible heating film 6 is used to cover the ceramic sheets to complete the heating process, which facilitates the welding operation. With the connection of the connecting rack 4 and the heat insulation plate 41, the heat insulation plate 41 of different materials can be replaced according to the usage requirements to improve the application range and performance. With the connection of the heat insulation cover 5 and the connecting seat 51, the adjusting screw 52 is rotated to change the position of the pressure plate 54, so that the pressure plate 54 presses against the ceramic sheet. With the insertion and sliding of the limiting slide rod 55 and the limiting slide cylinder 56, the movement of the pressure plate 54 can be limited, which improves the stability of the adjustment of the pressure plate 54.

Claims

1. A constant-temperature heating device for ceramic welding, characterized in that... include: A heat preservation device, and a heating device installed in the heat preservation device; The insulation device is a foldable and closable constant temperature insulation mechanism; It consists of a rectangular lower box fixed on a base and an upper box hinged to one side of the lower box for folding and opening; the lower box includes: a flat placement frame fixed on the base, and a connecting frame fixed on the placement frame with an opening on one side to form a three-sided enclosure structure of the lower box; the upper box includes: a heat insulation cover that matches the rectangular flat structure of the lower box, one side of the heat insulation cover is hinged to the lower box to achieve folding and opening, and a baffle larger than the thickness of the heat insulation cover is fixed on the opposite side to close the opening side of the lower box when the upper box and the lower box are closed, and a liftable pressure plate is set in the middle of the heat insulation cover; The heating device consists of one or two flexible heating films and a temperature controller connected to the control unit; the flexible heating film is set inside the box of the heat preservation device and is used to flexibly cover and heat the ceramic sheet placed on the shelf.

2. The constant temperature heating device for ceramic welding according to claim 1, characterized in that: The inner wall of the lower box body's three-sided enclosure structure connecting frame is fitted with a replaceable and removable heat insulation board through a groove.

3. The constant temperature heating device for ceramic welding according to claim 1, characterized in that: The surface of the placement rack is provided with evenly spaced through holes that run through the rack.

4. The constant temperature heating device for ceramic welding according to claim 1, 2, or 3, characterized in that: A lifting mechanism is provided in the middle of the heat insulation cover. The lifting mechanism includes: an adjusting screw that passes through the center of the heat insulation cover, a handwheel for rotation at the outer end of the adjusting screw, and a hinged inner end that can be rotated to the back of the pressure plate; four sets of limiting slide cylinders are symmetrically arranged on the inner surface of the heat insulation cover, and four limiting slide rods are provided at the positions on the back of the pressure plate that match the four sets of limiting slide cylinders and are limited to slide within the limiting slide cylinders.

5. The constant temperature heating device for ceramic welding according to claim 4, characterized in that: The upper surface of the placement rack is ground rough to prevent slipping, and the flexible heating film adheres to the surface of the placement rack on both sides when covering the ceramic sheet.

6. The constant temperature heating device for ceramic welding according to claim 4, characterized in that: A connecting seat is provided in the middle of the outer surface of the heat insulation cover, and a threaded hole is provided in the center of the connecting seat for adjusting the screw to be adjusted up and down stably through the thread.

7. The constant temperature heating device for ceramic welding according to claim 4, characterized in that: The temperature controller is mounted on the base and is controlled by a cable passing through the connecting frame of the enclosure structure.

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