Vacuum sintering furnace for producing lead-calcium alloy

Abstract

The utility model belongs to the field of lead-calcium alloy production, and discloses a vacuum sintering furnace for producing lead-calcium alloy, which comprises a main machine device for sintering the lead-calcium alloy through vacuum heating, and further comprises a taking and placing device which is arranged at an opening of the main machine device and is used for taking and placing the lead-calcium alloy in a drawing, opening, closing and sealing manner, a table device used for bearing and increasing support is arranged below the taking and placing device. The taking and placing device comprises a sealing ring, a bearing assembly used for placing lead-calcium alloy sintering is arranged in the middle of the sealing ring, two plugging assemblies used for sealing and reducing opening and closing heat dissipation are symmetrically arranged at the two ends of the bearing assembly, and a handle is installed on the plugging assembly at the outer end and used for pulling and opening and closing. The table device comprises a supporting table, a supporting base is installed at one end of the bottom face of the supporting table, and two supporting legs are symmetrically installed at the end, away from the supporting base, of the bottom face of the supporting table. According to the vacuum sintering furnace for producing the lead-calcium alloy, due to the arrangement of pulling and opening bidirectional sealing, an additional auxiliary device is avoided, the structure is simplified, and resources are saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of lead calcium alloy production, especially relate to a vacuum sintering furnace for producing lead calcium alloy. BACKGROUND

[0002] Lead calcium alloy can be produced by using vacuum sintering furnace. The vacuum sintering furnace is used for the powder forming sintering of refractory alloys such as tungsten, molybdenum and their alloys under the condition of hydrogen protection after vacuumizing, by using the principle of medium frequency induction heating to make the tungsten crucible in the coil generate high temperature and conduct heat radiation to the workpiece.

[0003] The patent with the publication number CN118623638A discloses an energy-saving vacuum sintering furnace for lead calcium alloy production and its use method, which comprises a vacuum sintering furnace, a vacuum pump installed on one side of the top of the vacuum sintering furnace, a supporting plate provided on the inner side of the vacuum sintering furnace, and a cover plate fixedly connected to one end of the supporting plate. Through the cooperation of the vacuum sintering furnace, the shell, the straight rod, the supporting plate, the cover plate and the moving structure, the motor drives the circular plate to rotate, the circular plate drives the inclined rod to move, the inclined rod drives the sliding plate to move left and right, and then the short block moves left and right, the short block pushes the rod body to move left, the rod body drives the cover plate to move left, the cover plate drives the supporting plate to move left, and then the lead calcium alloy is pushed out, and at the same time the cover plate on the right side seals the opening of the vacuum sintering furnace, avoiding heat loss in the vacuum sintering furnace during material taking, reducing energy consumption during processing of the next batch of lead calcium alloy, and improving the energy-saving effect.

[0004] However, the above-mentioned patent needs to additionally increase auxiliary devices for sealing, which not only increases resource waste, but also needs to increase additional sealing, so a new device needs to be designed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a vacuum sintering furnace for producing lead calcium alloy to solve the problems in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of vacuum sintering furnace for producing lead calcium alloy, including main machine device for vacuum heating lead calcium alloy sintering, further including the installation for pulling open and closed to place and take lead calcium alloy of the main machine device opening, the table device for supporting increased support is provided below the taking and placing device;The taking and placing device includes sealing ring, supporting assembly for placing lead calcium alloy sintering is provided in the middle of the sealing ring, two blocking components for closing and reducing opening and heat dissipation are symmetrically provided at both ends of the supporting assembly, wherein handle is installed on the blocking component of outer end, for pulling open and closed;The table device includes support table, support seat is installed on the bottom surface one end of the support table, two support legs are symmetrically installed on the bottom surface of the support table away from the support seat one end.

[0008] Further: the main machine device includes base, sintering furnace body is installed on the base, furnace is provided in the sintering furnace body, vacuum pump is installed on the top of the sintering furnace body.

[0009] Further: the sintering furnace body, the vacuum pump and the base are bolted.

[0010] Further: the supporting assembly includes two supporting rods that are symmetrically arranged, a supporting net is installed between the supporting rods;The blocking component includes a box cover plate, a sealing boss is provided on one side of the box cover plate, two support wheels are symmetrically installed on the bottom of the side of the box cover plate away from the sealing boss.

[0011] Further: the supporting net and the supporting rod are riveted together, the sealing ring is 5cm wider than the sealing boss.

[0012] Further: the support seat is L-shaped in cross section and is made of Q345 steel.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. The bidirectional closure by pulling open and closed is avoided, the structure is simplified, and resources are saved.

[0015] 2. The timeliness of opening and closing is ensured by the integrated linkage opening and closing.

[0016] 3. The smooth opening and closing is ensured, and the stability of supporting lead calcium alloy taking and placing is ensured by the table device cooperating with the support wheel supporting. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the vacuum sintering furnace for producing lead calcium alloy.

[0018] Figure 2It is the main machine device schematic drawing of the vacuum sintering furnace for producing lead calcium alloy of the utility model.

[0019] Figure 3 It is the taking and placing device schematic drawing of the vacuum sintering furnace for producing lead calcium alloy of the utility model.

[0020] Figure 4 It is the taking and placing device front perspective view of the vacuum sintering furnace for producing lead calcium alloy of the utility model.

[0021] Figure 5 It is the table device schematic drawing of the vacuum sintering furnace for producing lead calcium alloy of the utility model.

[0022] In the figure, 101, base; 102, sintering furnace body; 103, hearth; 104, vacuum pump; 201, sealing ring; 202, box cover plate; 203, sealing boss; 204, supporting wheel; 205, supporting rod; 206, supporting net; 207, handle; 301, supporting table; 302, supporting leg; 303, supporting seat. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5 A vacuum sintering furnace for producing lead calcium alloy, which comprises a main machine device for vacuum heating lead calcium alloy sintering, a taking and placing device installed at the opening of the main machine device for pulling and opening and closing to take and place lead calcium alloy, and a table device arranged below the taking and placing device for supporting and increasing support.

[0025] In the embodiment, the main machine device comprises a base 101, the sintering furnace body 102 is installed on the base 101, the hearth 103 is arranged in the sintering furnace body 102, and the vacuum pump 104 is installed on the top of the sintering furnace body 102; the sintering furnace body 102, the vacuum pump 104 and the base 101 are connected by bolts; the lead calcium alloy is pushed into the hearth 103 of the sintering furnace body 102, the vacuum pump 104 extracts air in the hearth 103 to form a vacuum environment, and the base 101 supports the sintering furnace body 102 to heat and sinter the lead calcium alloy.

[0026] In the embodiment, the table device comprises a support table 301, one end of the bottom surface of the support table 301 is provided with a support base 303, and the other end of the bottom surface of the support table 301 away from the support base 303 is symmetrically provided with two support legs 302; the support base 303 is in the shape of L in cross section and is made of Q345 steel material; one end of the support table 301 is connected and fixed to one end of the base 101 through the support base 303, and the support leg 302 supports the other end of the support table 301, so that the support table 301 is stable and reliable;

[0027] In the embodiment, the taking and placing device comprises a sealing ring 201, a supporting assembly for placing lead-calcium alloy sintering is arranged in the middle of the sealing ring 201, two blocking assemblies for closing and reducing heat dissipation are symmetrically arranged at two ends of the supporting assembly, a handle 207 is arranged on the outer blocking assembly, and the handle 207 is used for pulling and opening; the supporting assembly comprises two symmetrically arranged supporting rods 205, and a supporting net 206 is arranged between the supporting rods 205; the blocking assembly comprises a box cover plate 202, a sealing boss 203 is arranged on one side of the box cover plate 202, two supporting wheels 204 are symmetrically arranged on the bottom of the side of the box cover plate 202 away from the sealing boss 203; the supporting net 206 and the supporting rods 205 are riveted together, and the sealing ring 201 is 5 cm wider than the sealing boss 203; first, the lead-calcium alloy is placed on the supporting net 206 between the two supporting rods 205, then the handle 207 is held and forced, the supporting wheels 204 are supported to roll along the support table 301, the box cover plate 202 pushes the supporting rods 205 to pass through the sealing ring 201, the lead-calcium alloy is pushed into the hearth 103 of the sintering furnace body 102, the sealing boss 203 blocks the sealing ring 201 to form a seal, after sintering, the handle 207 is held and forced, the supporting wheels 204 are supported to roll along the support table 301, the box cover plate 202 pulls the supporting rods 205 to pass through the sealing ring 201, the lead-calcium alloy is pulled out, the box cover plate 202 at the other end of the supporting rods 205 covers the sealing ring 201 from the hearth 103, and the sealing boss 203 blocks the sealing ring 201 to form a seal, so that the heat loss in the hearth 103 is reduced.

[0028] Working principle: first, the lead-calcium alloy is placed on the supporting net 206 between the two supporting rods 205, then the handle 207 is held and force is applied, under the support of the supporting wheel 204 rolling along the supporting table 301, the supporting rod 205 is pushed through the sealing ring 201 by the box cover plate 202, the lead-calcium alloy is pushed into the hearth 103 of the sintering furnace body 102, at the same time, the sealing convex 203 blocks the sealing ring 201 to form a seal, the vacuum pump 104 extracts the air in the hearth 103 to form a vacuum environment, the base 101 supports the sintering furnace body 102 to heat and sinter the lead-calcium alloy, after sintering is completed, the handle 207 is held and force is applied again, under the support of the supporting wheel 204 rolling along the supporting table 301, the supporting rod 205 is pulled through the sealing ring 201 by the box cover plate 202, the lead-calcium alloy is pulled out, at the same time, the box cover plate 202 at the other end of the supporting rod 205 covers the sealing ring 201 from the hearth 103, and the sealing convex 203 blocks the sealing ring 201 to form a seal, so that the heat loss in the hearth 103 is reduced.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A vacuum sintering furnace for producing a lead calcium alloy, comprising a main machine device for vacuum heating of a lead calcium alloy sinter, characterized by: Also include the host device opening installation for pulling open and closed to take and put the lead calcium alloy taking and putting device, the taking and putting device below is provided with for supporting the table device of increasing support; The taking and putting device includes a sealing ring (201), a supporting assembly for placing lead calcium alloy sintering is arranged in the middle of the sealing ring (201), two plugging assemblies for closing and reducing opening and heat dissipation are symmetrically arranged at both ends of the supporting assembly, and a handle (207) is arranged on the plugging assembly at the outer end for pulling open and closed; The table device includes a support table (301), a support seat (303) is arranged at one end of the bottom surface of the support table (301), and two support legs (302) are symmetrically arranged at one end of the bottom surface of the support table (301) away from the support seat (303).

2. The vacuum sintering furnace for producing lead-calcium alloy according to claim 1, characterized in that: The host device includes a base (101), a sintering furnace body (102) is arranged on the base (101), a hearth (103) is arranged in the sintering furnace body (102), and a vacuum pump (104) is arranged on the top of the sintering furnace body (102).

3. The vacuum sintering furnace for producing lead-calcium alloy according to claim 2, characterized in that: The sintering furnace body (102), the vacuum pump (104) and the base (101) are bolted.

4. The vacuum sintering furnace for producing lead-calcium alloy according to claim 1, characterized in that: The supporting assembly includes two supporting rods (205) symmetrically arranged, and a supporting net (206) is arranged between the supporting rods (205); the plugging assembly includes a box cover plate (202), a sealing boss (203) is arranged on one side of the box cover plate (202), and two supporting wheels (204) are symmetrically arranged on the bottom of the side of the box cover plate (202) away from the sealing boss (203).

5. The vacuum sintering furnace for producing lead-calcium alloy according to claim 4, characterized in that: The supporting net (206) and the supporting rod (205) are riveted together, and the sealing ring (201) is 5 cm wider than the sealing boss (203).

6. The vacuum sintering furnace for producing lead-calcium alloy according to claim 1, characterized in that: The support seat (303) is L-shaped in cross section and is made of Q345 steel material.

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