Table type resistance furnace

Abstract

The utility model discloses a table type resistance furnace which comprises a resistance furnace body, two pairs of inserting grooves are formed in the lower wall face of the resistance furnace body, a first supporting block is arranged on the lower wall face of the resistance furnace body, and two pairs of second supporting plates are arranged on the upper wall face of the first supporting block. The first support block is inserted into the slot through the second support plate, a water tank is arranged in the first support block, two pairs of submersible pumps are arranged in the water tank, and the two pairs of submersible pumps are respectively connected with a cooling device. According to the design, cooling liquid in the water tank is conveyed into the cooling pipes arranged in an S shape through the submersible pump, the cooling liquid is used for rapidly reducing the temperature in the heating cavity, the resistance furnace can be reused conveniently, the time needed for cooling is shortened, meanwhile, the supporting frame is movably arranged in the heating cavity, a false tooth model can be heated evenly, and the sintering forming effect of the false tooth model is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of artificial teeth processing, in particular to a desktop resistance furnace. Background Art

[0002] A resistance furnace is an industrial furnace that uses electric current to heat the electric heating elements or heating medium in the furnace, thereby heating the workpiece or material. In the preparation of denture models, one of the important processes is to place the denture model in a resistance furnace for sintering. At present, the existing resistance furnace uses air cooling for cooling, and the cooling speed is slow, which in turn affects the production efficiency of the resistance furnace. At the same time, only one model can be processed at a time, which reduces the production efficiency of the resistance furnace.

[0003] For example, the utility model patent with publication number CN215063683U discloses a desktop resistance furnace with rapid cooling, in which a plurality of heat dissipation holes are provided at the upper and lower ends of the resistance furnace body, the heat dissipation holes are respectively connected to the upper heat dissipation interlayer and the lower heat dissipation interlayer, a fan is provided at the lower heat dissipation interlayer, the upper heat dissipation interlayer is connected to the outside and is provided with a heat dissipation port, a heat dissipation plate is provided at the heat dissipation hole, the heat dissipation plate and the bottom end of the resistance furnace are slidably connected through a sliding groove, the device adopts air cooling for cooling, and the cooling speed is slow, which affects the production efficiency of the resistance furnace, and at the same time, heating resistance wires are only provided on both sides, resulting in uneven heating of the resistance furnace, which affects the yield of the product, and only one model can be processed at a time, which reduces the wide application and production efficiency of the resistance furnace. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a desktop resistance furnace, which solves the problem that the existing resistance furnace uses air cooling for cooling, the cooling speed is slow, and thus affects the production efficiency of the resistance furnace. At the same time, only heating resistance wires are arranged on both sides, resulting in uneven heating of the resistance furnace, which in turn affects the product yield. Only one model can be processed at a time, which reduces the production efficiency of the resistance furnace.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a desktop resistance furnace, including a resistance furnace body, two pairs of slots are arranged on the lower wall surface of the resistance furnace body, a first support block is arranged on the lower wall surface of the resistance furnace body, two pairs of second support plates are arranged on the upper wall surface of the first support block, the first support block is inserted into the slot through the second support plate, a water tank is arranged in the first support block, two pairs of submersible pumps are arranged in the water tank, and cooling devices are respectively connected to the two pairs of submersible pumps.

[0006] Preferably, the cooling device includes a cooling pipe, which is arranged in an "S" shape in the second support plate, one side of the cooling pipe is connected to a water inlet pipe, and the other side of the cooling pipe is connected to a water outlet pipe, the water outlet pipe is arranged in the water tank, and the water inlet pipe is arranged on the submersible pump.

[0007] Preferably, a pair of second support blocks are arranged on the upper wall surface of the first support block, and a multi-stage electric telescopic cylinder is respectively arranged on the upper wall surface of the pair of second support blocks, a first support plate is arranged on the telescopic end of the multi-stage electric telescopic cylinder, a support frame is arranged on the lower wall surface of the first support plate, a heating chamber is arranged in the resistance furnace body, and the support frame is movably arranged in the heating chamber.

[0008] Preferably, two pairs of first fixing blocks and two pairs of second fixing blocks are respectively provided on the support frame, two pairs of fixing grooves are provided on the resistance furnace body, and the support frame is arranged in the fixing grooves through the first fixing blocks and the second fixing blocks.

[0009] Preferably, a sealing groove is provided on the resistance furnace body, a sealing block is provided on the first support plate, and the first support plate is arranged on the sealing groove through the sealing block.

[0010] Preferably, a plurality of stoppers are slidably arranged on the support frame.

[0011] Beneficial Effects

[0012] The utility model provides a desktop resistance furnace, which has the following beneficial effects:

[0013] This design uses a submersible pump to transport the coolant in the water tank to the cooling pipes arranged in an "S" shape, which is used to quickly reduce the temperature in the heating chamber, facilitate the reuse of the resistance furnace, reduce the time required for cooling, and thus improve the production efficiency of the resistance furnace.

[0014] The design drives the multi-stage electric telescopic cylinder to extend and retract, thereby driving the first support plate to rise and fall, and then the support frame to rise and fall. The support frame is movably arranged in the heating chamber, so that the denture model can be heated evenly, thereby improving the sintering effect of the denture model.

[0015] Several blocks of the present design are slidably arranged on the support frame, and the blocks can be installed at different positions on the support frame according to the number and size of the denture models. Multiple denture models can be placed on the blocks at the same time for sintering, thereby improving the production efficiency of the resistance furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the whole of the utility model.

[0017] Figure 2It is a schematic diagram of the whole of the utility model.

[0018] Figure 3 It is a schematic diagram of the whole of the utility model.

[0019] Figure 4 It is a schematic diagram of the support frame of the utility model.

[0020] Figure 5 It is a schematic diagram of the stopper of the utility model.

[0021] Figure 6 It is a schematic diagram of the resistance furnace body of the utility model.

[0022] Figure 7 It is a schematic diagram of the slot of the utility model.

[0023] Figure 8 It is a schematic diagram of the second supporting plate of the present invention.

[0024] Fig. 9 It is a schematic diagram of the cooling device of the present utility model.

[0025] In the figure: 1. first support plate; 2. support frame; 3. resistance furnace body; 4. first support block; 5. fixing groove; 6. multi-stage electric telescopic cylinder; 7. second support block; 8. heating chamber; 9. second support plate; 10. water tank; 11. submersible pump; 12. water inlet pipe; 13. first fixing block; 14. second fixing block; 15. stopper; 16. sealing block; 17. slot; 18. cooling pipe; 19. water outlet pipe; 20. sealing groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-9 The utility model provides a technical solution: a table-type resistance furnace, comprising a resistance furnace body 3, two pairs of slots 17 are arranged on the lower wall surface of the resistance furnace body 3, a first support block 4 is arranged on the lower wall surface of the resistance furnace body 3, two pairs of second support plates 9 are arranged on the upper wall surface of the first support block 4, the first support block 4 is inserted into the slot 17 through the second support plate 9, a water tank 10 is arranged in the first support block 4, two pairs of submersible pumps 11 are arranged in the water tank 10, and the two pairs of submersible pumps 11 are respectively connected to cooling devices;

[0028] The first support block 4 is inserted into the slot 17 through the second support plate 9. The first support block 4 and the resistance furnace body 3 are installed in an inserted manner, which can facilitate the staff to quickly disassemble and assemble the cooling device, thereby facilitating the staff to replace or repair the cooling device.

[0029] The present embodiment is further configured such that the cooling device includes a cooling pipe 18, the cooling pipe 18 is arranged in an "S" shape in the second support plate 9, one side of the cooling pipe 18 is connected to the water inlet pipe 12, the other side of the cooling pipe 18 is connected to the water outlet pipe 19, the water outlet pipe 19 is arranged in the water tank 10, and the water inlet pipe 12 is arranged on the submersible pump 11;

[0030] The cooling tubes 18 are arranged in an "S" shape in the second support plate 9, which increases the contact area between the coolant and the object to be cooled, thereby improving the cooling effect, reducing the time required for cooling, and thus improving the production efficiency of the resistance furnace;

[0031] The submersible pump 11 is driven to start, so that the coolant in the water tank 10 enters the cooling pipe 18 through the water inlet pipe 12, and flows back to the water tank 10 through the water outlet pipe 19 after cooling, which can prevent the waste of coolant. At the same time, the coolant is filled in the cooling pipe 18 in a bottom-in and top-out manner, which can fill the cooling pipe 18 and avoid the occurrence of empty cooling pipe 18, thereby improving the cooling effect.

[0032] This embodiment is further configured such that a pair of second support blocks 7 are provided on the upper wall surface of the first support block 4, and a multi-stage electric telescopic cylinder 6 is respectively provided on the upper wall surface of the pair of second support blocks 7, a first support plate 1 is provided on the telescopic end of the multi-stage electric telescopic cylinder 6, a support frame 2 is provided on the lower wall surface of the first support plate 1, a heating chamber 8 is provided in the resistance furnace body 3, and the support frame 2 is movably provided in the heating chamber 8;

[0033] The multi-stage electric telescopic cylinder 6 is driven to extend and retract, thereby driving the first support plate 1 to rise and fall, and then the support frame 2 to rise and fall. The support frame 2 is movably arranged in the heating chamber 8, so that the denture model in the support frame 2 can be heated evenly, thereby improving the sintering effect of the denture model.

[0034] This embodiment is further configured such that two pairs of first fixing blocks 13 and two pairs of second fixing blocks 14 are respectively provided on the support frame 2, two pairs of fixing grooves 5 are provided on the resistance furnace body 3, and the support frame 2 is arranged in the fixing grooves 5 through the first fixing blocks 13 and the second fixing blocks 14.

[0035] This embodiment is further configured such that a sealing groove 20 is provided on the resistance furnace body 3, a sealing block 16 is provided on the first support plate 1, and the first support plate 1 is arranged on the sealing groove 20 through the sealing block 16;

[0036] The sealing block 16 is arranged in the sealing groove 20 for heat preservation of the resistance furnace, which can reduce heat loss.

[0037] This embodiment is further configured such that a plurality of stoppers 15 are slidably provided on the support frame 2;

[0038] The stopper 15 is slidably installed on the support frame 2. The staff can install the stopper 15 at different positions on the support frame 2 according to the number and size of the denture models. Multiple denture models can be placed on the stopper 2 at the same time for sintering, thereby improving the production efficiency of the resistance furnace.

[0039] Embodiment: When the resistance furnace is installed, the first support block 4 is inserted into the slot 17 through the second support plate 9. The first support block 4 and the resistance furnace body 3 are installed in an inserted manner, which can facilitate the staff to quickly disassemble and assemble the cooling device, and then facilitate the staff to replace or repair the cooling device. When the resistance furnace is in use, the block 15 is slidably installed on the support frame 2. The staff can install the block 15 at different positions on the support frame 2 according to the number and size of the denture models. Multiple denture models can be placed on the block 2 at the same time for sintering and forming, thereby improving the production efficiency of the resistance furnace. When placing the denture model, the second fixed block 14 is set in the fixed groove 5, which can prevent the support frame 2 from shaking, drive the multi-stage electric telescopic cylinder 6 to extend and retract, drive the first support plate 1 to rise and fall, and then the support frame 2 to rise and fall. The support frame 2 is movably arranged in the heating chamber 8, so that the denture model in the support frame 2 can be heated evenly, thereby improving the denture The effect of model sintering molding, the sealing block 16 is arranged in the sealing groove 20 for heat preservation of the resistance furnace, which can reduce heat loss. When the support frame 2 is moved into the resistance furnace body 3, the first fixed block 13 and the second fixed block 14 are arranged in the fixed groove 5 to fix the support frame 2. When the resistance furnace is cooled, the submersible pump 11 is driven to start, so that the coolant in the water tank 10 enters the cooling pipe 18 through the water inlet pipe 12, and flows back to the water tank 10 through the water outlet pipe 19 after cooling, which can prevent the waste of coolant. At the same time, the coolant is filled in the cooling pipe 18 in a bottom-in-top-out manner, which can fill the cooling pipe 18 and avoid the occurrence of empty cooling pipes 18, thereby improving the cooling effect. The cooling pipe 18 is arranged in an "S" shape in the second support plate 9, which increases the contact area between the coolant and the cooled object, thereby improving the cooling effect, reducing the time required for cooling, and thereby improving the production efficiency of the resistance furnace.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A table-type resistance furnace, comprising a resistance furnace body (3), characterized in that: Two pairs of slots (17) are arranged on the lower wall surface of the resistance furnace body (3); a first support block (4) is arranged on the lower wall surface of the resistance furnace body (3); two pairs of second support plates (9) are arranged on the upper wall surface of the first support block (4); the first support block (4) is inserted into the slots (17) via the second support plates (9); a water tank (10) is arranged in the first support block (4); two pairs of submersible pumps (11) are arranged in the water tank (10); and the two pairs of submersible pumps (11) are respectively connected to cooling devices.

2. A desktop resistance furnace according to claim 1, characterized in that: The cooling device comprises a cooling pipe (18), the cooling pipe (18) being arranged in an "S" shape in the second support plate (9), one side of the cooling pipe (18) being connected to a water inlet pipe (12), the other side of the cooling pipe (18) being connected to a water outlet pipe (19), the water outlet pipe (19) being arranged in the water tank (10), and the water inlet pipe (12) being arranged on the submersible pump (11).

3. A desktop resistance furnace according to claim 2, characterized in that: A pair of second support blocks (7) are arranged on the upper wall surface of the first support block (4), a multi-stage electric telescopic cylinder (6) is arranged on the upper wall surface of the pair of second support blocks (7), a first support plate (1) is arranged on the telescopic end of the multi-stage electric telescopic cylinder (6), a support frame (2) is arranged on the lower wall surface of the first support plate (1), a heating chamber (8) is arranged in the resistance furnace body (3), and the support frame (2) is movably arranged in the heating chamber (8).

4. A desktop resistance furnace according to claim 3, characterized in that: Two pairs of first fixing blocks (13) and two pairs of second fixing blocks (14) are respectively arranged on the support frame (2), two pairs of fixing grooves (5) are arranged on the resistance furnace body (3), and the support frame (2) is arranged in the fixing grooves (5) via the first fixing blocks (13) and the second fixing blocks (14).

5. A desktop resistance furnace according to claim 4, characterized in that: The resistance furnace body (3) is provided with a sealing groove (20), the first support plate (1) is provided with a sealing block (16), and the first support plate (1) is arranged on the sealing groove (20) through the sealing block (16).

6. A desktop resistance furnace according to claim 5, characterized in that: A plurality of stoppers (15) are slidably arranged on the support frame (2).

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