Feeding and discharging structure of vacuum furnace

Abstract

The invention discloses a vacuum furnace feeding and discharging structure and relates to the technical field of vacuum furnaces, the vacuum furnace feeding and discharging structure comprises a vacuum furnace body, positioning blocks and a cover plate, the positioning blocks are installed on the two sides of the top end of the vacuum furnace body, an air cylinder is arranged on the side wall of the vacuum furnace body, a push rod is installed at the output end of the air cylinder, and the cover plate is installed at the top end of the push rod; a sliding rail is installed at the top end in the cover plate, a moving block is arranged in the sliding rail, a connecting frame is installed at the bottom end of the moving block, a rotating shaft is installed on the inner wall of the connecting frame through a bearing, the outer wall of the rotating shaft is sleeved with a material frame, and a sliding groove is formed in one side of the material frame. An I-shaped extension plate is mounted on the side, away from the sliding groove, of the material frame, the device has the advantages that the moving block is driven by the positive and negative lead screws to move in the sliding rail, then the moving block drives the connecting frame to move towards the middle position, the material frame drives the I-shaped extension plate to move in the sliding groove, and therefore workpieces of different lengths and sizes can be placed on the material frame.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum furnaces, in particular to a loading and unloading structure of a vacuum furnace. Background Art

[0002] A vacuum furnace is a furnace that uses a vacuum system (composed of a vacuum pump, a vacuum measuring device, a vacuum valve and other components that have been carefully assembled) to discharge some of the material in the furnace cavity, making the pressure in the furnace cavity less than a standard atmospheric pressure, thereby achieving a vacuum state in the furnace cavity. This is a vacuum furnace.

[0003] Comparison patent number: CN115077241A A vacuum furnace transportation mechanism and vacuum furnace, the present invention discloses a vacuum furnace transportation mechanism and vacuum furnace, which relates to the field of vacuum furnaces, including a vacuum furnace body, a side-opening sealing cover movably installed on the vacuum furnace body, an electrical control box on the side of the vacuum furnace body, and a loading and unloading structure on one side of the vacuum furnace body. The present invention, through the arrangement of the base structure and the material transporting structure, when the device is used, the base structure is directly laid inside the vacuum furnace body, and the fixed support feet and the fixed base cooperate with each other to ensure that the material transporting mechanism is unobstructed all the way, and the material can be directly sent to the depth of the vacuum furnace body. At the same time, the sliding material seat adapter groove on the fixed base and the sliding material seat and the fixed base adapter groove can be adapted to the material carrier frame to ensure the unobstructed loading and unloading process. Due to the fixed position, the alignment time is avoided, which has higher efficiency, and also avoids the possibility of workers contacting with high-temperature workpieces, further improving the safety of the device.

[0004] The loading and unloading structure of the vacuum furnace has the following problems during use: after the high-temperature workpiece is unloaded from the vacuum furnace, the operator is still required to take the material, and the operator needs to open the cover to load and unload the material. The operator needs to contact the vacuum furnace when loading the material, which makes the safety performance low. In addition, the sizes of workpieces on the market are different. When placing rubber, different sizes of placement frames are required to cooperate with it, which results in a long placement time, low placement efficiency, and high cost of placement frames of different sizes. Summary of the invention

[0005] The object of the present invention is to provide a vacuum furnace loading and unloading structure to solve the related problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a vacuum furnace loading and unloading structure, comprising a vacuum furnace body, a positioning block and a cover plate, positioning blocks are installed on both sides of the top of the vacuum furnace body, a cylinder is provided on the side walls of the vacuum furnace body, and a push rod is installed on the output end of the cylinder, a cover plate is installed on the top of the push rod, and a slide rail is installed on the top of the cover plate, a moving block is provided inside the slide rail, and a connecting frame is installed on the bottom end of the moving block, a rotating shaft is installed on the inner wall of the connecting frame through a bearing, and a material rack is sleeved on the outer wall of the rotating shaft, a slide groove is provided on one side of the material rack, and an I-shaped extension plate is installed on the side of the material rack away from the slide groove, the outer wall of the I-shaped extension plate is adapted to the inner wall of the slide groove, through holes are provided in the material rack and the I-shaped extension plate, a shifting mechanism for adjusting the size of the material rack is provided on one side of the cover plate, and a sealing mechanism adapted to the top of the vacuum furnace body is installed on the bottom end of the cover plate.

[0007] The technical solution provides a vacuum furnace loading and unloading structure, wherein a threaded groove is provided on the inner wall of the material rack, and a positioning screw penetrating the connecting frame is provided inside the threaded groove.

[0008] The technical solution provides a vacuum furnace loading and unloading structure, wherein the shifting mechanism includes a motor and a forward and reverse screw rod, and the forward and reverse screw rods penetrating the moving block are installed inside the cover plate through bearings, and the outer walls of the forward and reverse screw rods are meshed with the inner wall of the moving block.

[0009] The technical solution provides a vacuum furnace loading and unloading structure, wherein a motor is arranged on the top of the cover plate, and the output end of the motor is connected to the forward and reverse screw rods through a coupling.

[0010] The technical solution provides a vacuum furnace loading and unloading structure, wherein the sealing mechanism comprises a sealing gasket and a slot. The top of the vacuum furnace body is provided with a sealing gasket, and the top of the sealing gasket is provided with a slot.

[0011] The technical solution provides a vacuum furnace loading and unloading structure, wherein an arc-shaped sealing block is installed on the bottom side wall of the cover plate, and the outer wall of the arc-shaped sealing block is in contact with the inner wall of the sealing gasket.

[0012] The technical solution provides a vacuum furnace loading and unloading structure, wherein an insert block is installed at the bottom end of the cover plate, and the insert block passes through the inner wall of the slot.

[0013] Compared with the prior art, the present invention provides a vacuum furnace loading and unloading structure, which has the following beneficial effects:

[0014] 1. The present invention starts the motor to drive the forward and reverse screws to rotate, so that the forward and reverse screws drive the moving block to move in the slide rail, and then the moving block drives the connecting frame to move to the middle position, and the material rack drives the workpiece extension plate to move in the slide groove, so that the material rack can place workpieces of different lengths and sizes to meet diversified market needs.

[0015] 2. The present invention drives the push rod to push the cover plate downward by starting the cylinder, so that the cover plate drives the arc-shaped sealing block to fit inside the sealing gasket, and then the insert block is inserted into the slot, which makes it easy to fit the outer wall of the sealing gasket with the outer wall of the arc-shaped sealing block, thereby increasing the sealing performance.

[0016] 3. The present invention allows the operator to flip the material rack and rotate it around the rotating axis, so that the materials in the material rack can be easily loaded and unloaded. The high-temperature workpiece can be poured downward from the material rack by flipping the material rack, which meets the requirements of contactless unloading and ensures the safety of the operator. When it is necessary to fix the rotation direction of the material rack, a positioning screw can be used to engage with the internal thread of the material rack to meet the positioning requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main cross-sectional structure of the present invention;

[0018] Figure 2 It is a schematic diagram of a top view and cross-section structure of the present invention;

[0019] Figure 3 For the present invention Figure 1 A schematic diagram of the enlarged structure at point A;

[0020] Figure 4 It is a schematic diagram of the front view structure of the cover plate and the motor of the present invention;

[0021] Figure 5 It is a schematic diagram of the three-dimensional cross-sectional structure of the material rack and the chute of the present invention.

[0022] In the figure: 1. vacuum furnace body; 2. positioning block; 3. cylinder; 4. push rod; 5. cover plate; 6. sealing gasket; 7. slide rail; 8. moving block; 9. motor; 10. forward and reverse screw rods; 11. connecting frame; 12. rotating shaft; 13. material rack; 14. through hole; 15. positioning screw; 16. slide groove; 17. I-shaped extension plate; 18. arc sealing block; 19. slot; 20. plug-in block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Embodiment 1, as Figure 1-2As shown, the present invention provides a technical solution: a vacuum furnace loading and unloading structure, comprising a vacuum furnace body 1, a positioning block 2 and a cover plate 5, positioning blocks 2 are installed on both sides of the top of the vacuum furnace body 1, a cylinder 3 is arranged on the side wall of the vacuum furnace body 1, and a push rod 4 is installed on the output end of the cylinder 3, a cover plate 5 is installed on the top of the push rod 4, and a slide rail 7 is installed on the top of the cover plate 5, a moving block 8 is arranged inside the slide rail 7, and a connecting frame 11 is installed on the bottom end of the moving block 8, a rotating shaft 12 is installed on the inner wall of the connecting frame 11 through a bearing, and a material frame 13 is sleeved on the outer wall of the rotating shaft 12, a threaded groove is opened on the inner wall of the material frame 13, and a positioning screw 15 penetrating the connecting frame 11 is arranged inside the threaded groove, and the material frame 13 is convenient for loading and unloading by turning the material frame 13 around the rotating shaft 12, and the material frame 13 can be fixed at the position of the connecting frame 11 by the positioning screw 15, and the cylinder 3 is started to drive the push rod 4 to move up and down, and the operator can complete rapid loading and unloading without manual contact.

[0025] Embodiment 2, as Figure 1-4 As shown, the present invention provides a technical solution: a vacuum furnace loading and unloading structure, including a material rack 13 having a chute 16 on one side, and a molded extension plate 17 installed on the side of the material rack 13 away from the chute 16, the outer wall of the molded extension plate 17 is adapted to the inner wall of the chute 16, and the material rack 13 and the molded extension plate 17 are provided with through holes 14 inside, and a shifting mechanism for adjusting the size of the material rack 13 is provided on one side of the cover plate 5, and the shifting mechanism includes a motor 9 and a forward and reverse screw rod 10, and the cover plate 5 is provided with a forward and reverse screw rod 10 penetrating the moving block 8 through a bearing. The screw rod 10, and the outer wall of the forward and reverse screw rods 10 is meshed with the inner wall of the moving block 8. A motor 9 is arranged at the top of the cover plate 5, and the output end of the motor 9 is connected with the forward and reverse screw rods 10 through a coupling. By starting the motor 9 to drive the forward and reverse screw rods 10 to rotate, the forward and reverse screw rods 10 drive the moving block 8 to move in the slide rail 7, and then the moving block 8 drives the connecting frame 11 to move to the middle position, and the material rack 13 drives the I-type extension plate 17 to move in the slide groove 16, so that the material rack 13 can place workpieces of different lengths and sizes to meet diversified market needs.

[0026] Embodiment 3, as Figure 1-5As shown, the present invention provides a technical solution: a vacuum furnace loading and unloading structure, including a cover plate 5 having a sealing mechanism matched with the top of a vacuum furnace body 1 installed at the bottom end, the sealing mechanism including a sealing gasket 6 and a slot 19, a sealing gasket 6 installed at the top of the vacuum furnace body 1, and a slot 19 is provided at the top of the sealing gasket 6, an arc-shaped sealing block 18 is installed on the side wall of the bottom end of the cover plate 5, and the outer wall of the arc-shaped sealing block 18 is fitted with the inner wall of the sealing gasket 6, an insert block 20 is installed at the bottom end of the cover plate 5, and the insert block 20 passes through the inner wall of the slot 19, and the cover plate 5 is pushed downward by starting the cylinder 3 to drive the push rod 4, so that the cover plate 5 drives the position of the arc-shaped sealing block 18 to fit inside the sealing gasket 6, and then the insert block 20 is inserted into the slot 19, so as to facilitate the fitting of the outer wall of the sealing gasket 6 with the outer wall of the arc-shaped sealing block 18, thereby increasing the sealing performance.

[0027] Working principle: First, connect the external power supply, the operator can start the cylinder 3 to push the push rod 4 to move upward, so that the cover plate 5 drives the arc-shaped sealing block 18 to separate from the sealing gasket 6, and then the operator can flip the material rack 13 and rotate it around the rotating axis 12, and then pour the high-temperature workpiece from the material rack 13 downward, so as to meet the contactless unloading and ensure the safety of the operator. When it is necessary to fix the rotation direction of the material rack 13, the positioning screw 15 can be used to mesh with the internal thread of the material rack 13 to meet the positioning requirements. When workpieces of different sizes are required, The motor 9 can be started to drive the moving block 8 to move in the slide rail 7, thereby driving the connection frames 11 to separate, and at the same time the material rack 13 drives the workpiece extension plate 17 to move in the slide groove 16, so that the space in the material rack 13 can be adjusted to meet the placement requirements of different workpieces. When the placement is completed, the cylinder 3 can be started to drive the push rod 4 to push the cover plate 5 to move downward, so that the cover plate 5 drives the arc-shaped sealing block 18 to fit the position with the sealing gasket 6, and then the insert block 20 is inserted into the slot 19, so as to facilitate the outer wall of the sealing gasket 6 to fit the outer wall of the arc-shaped sealing block 18, thereby increasing the sealing performance.

[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Simple modifications or equivalent substitutions of the technical solution of the present invention by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the present invention.

Claims

1. A vacuum furnace loading and unloading structure, comprising a vacuum furnace body (1), a positioning block (2) and a cover plate (5), characterized in that: Positioning blocks (2) are installed on both sides of the top of the vacuum furnace body (1), a cylinder (3) is installed on the side wall of the vacuum furnace body (1), and a push rod (4) is installed on the output end of the cylinder (3), a cover plate (5) is installed on the top of the push rod (4), and a slide rail (7) is installed on the top of the cover plate (5), a moving block (8) is installed inside the slide rail (7), and a connecting frame (11) is installed on the bottom end of the moving block (8), a rotating shaft (12) is installed on the inner wall of the connecting frame (11) through a bearing, and the outer wall of the rotating shaft (12) is sleeved with A material rack (13), a slide groove (16) is provided on one side of the material rack (13), and a molded extension plate (17) is installed on the side of the material rack (13) away from the slide groove (16), the outer wall of the molded extension plate (17) is matched with the inner wall of the slide groove (16), the material rack (13) and the molded extension plate (17) are provided with through holes (14) inside, a shifting mechanism for adjusting the size of the material rack (13) is provided on one side of the cover plate (5), and a sealing mechanism matched with the top of the vacuum furnace body (1) is installed at the bottom end of the cover plate (5).

2. A vacuum furnace loading and unloading structure according to claim 1, characterized in that: The inner wall of the material rack (13) is provided with a thread groove, and a positioning screw (15) penetrating the connecting rack (11) is arranged inside the thread groove.

3. A vacuum furnace loading and unloading structure according to claim 1, characterized in that: The displacement mechanism comprises a motor (9) and a forward and reverse screw rod (10); the forward and reverse screw rod (10) penetrating the moving block (8) is installed inside the cover plate (5) via a bearing, and the outer wall of the forward and reverse screw rod (10) is meshed with the inner wall of the moving block (8).

4. A vacuum furnace loading and unloading structure according to claim 1, characterized in that: A motor (9) is arranged at the top end of the cover plate (5), and an output end of the motor (9) is connected to a forward and reverse screw rod (10) via a coupling.

5. The vacuum furnace loading and unloading structure according to claim 1, characterized in that: The sealing mechanism comprises a sealing gasket (6) and a slot (19); the sealing gasket (6) is installed at the top end of the vacuum furnace body (1), and the slot (19) is provided at the top end of the sealing gasket (6).

6. A vacuum furnace loading and unloading structure according to claim 5, characterized in that: An arc-shaped sealing block (18) is installed on the side wall of the bottom end of the cover plate (5), and the outer wall of the arc-shaped sealing block (18) is in contact with the inner wall of the sealing gasket (6).

7. A vacuum furnace loading and unloading structure according to claim 5, characterized in that: An insert block (20) is installed at the bottom end of the cover plate (5), and the insert block (20) penetrates the inner wall of the slot (19).

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