Metal workpiece forging heating furnace

Abstract

The utility model provides a metal workpiece forging heating furnace, which relates to the technical field of metal processing and comprises an outer furnace body, and the front side and the bottom of the outer furnace body are of opening structures; an inner thermal insulation layer made of graphite is fixedly arranged on the inner wall of the outer furnace body, and a heater is fixedly arranged on the inner side of the outer furnace body and penetrates through the inner thermal insulation layer; two groups of water rows are fixedly arranged at the rear end of the outer boiler body, five groups of single control valves are connected outside the water rows, and the other ends of the single control valves are connected with flowmeters; the water rows are arranged, the circulating function of keeping the temperature is provided, the two water rows are connected with the water inlet and outlet channels to continuously and circularly dissipate heat of the inner walls of the outer furnace body and the movable furnace door, temperature keeping can be achieved, only workpieces are heated, the human body can be prevented from being hurt, and the indoor temperature is greatly reduced; in addition, verification can be carried out through the flow meter, and the problem that an existing heating furnace lacks the temperature circulation maintaining function is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal processing, and more specifically, particularly relates to a metal workpiece forging heating furnace. Background Art

[0002] When forging, the metal workpiece needs to be heated to a certain temperature first so that it can be shaped more easily, and then it can be forged into various shapes. Generally, it is heated directly in a closed heating furnace, but the heating furnace will also be hotter.

[0003] Based on the above, the surface temperature of the heating furnace currently used is relatively high during operation, which will increase the heat of the entire workshop. The temperature cannot be reduced immediately when the equipment stops, which can easily injure people who touch it accidentally. It is easy to deform after long-term use, lacks a cyclic protection function to maintain the temperature, and is inconvenient to quickly assemble and load workpieces. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a metal workpiece forging heating furnace to solve the problems of the commonly used heating furnace mentioned in the above background technology, such as the high surface temperature during operation of the heating furnace, which will increase the heat of the entire workshop, the temperature cannot be immediately reduced when the equipment stops, which may easily injure people who accidentally touch it, easy to deform after long-term use, lack of cyclic protection function to maintain temperature, and inconvenient to quickly assemble and load workpieces.

[0005] The purpose and effect of the metal workpiece forging heating furnace of the utility model are achieved by the following specific technical means:

[0006] A metal workpiece forging heating furnace comprises an outer furnace body, the front side and the bottom of the outer furnace body are open structures; the inner wall of the outer furnace body is fixedly provided with an inner heat insulation layer made of graphite, and a heater is fixedly provided on the inner side of the outer furnace body through the inner heat insulation layer; two groups of water drains are fixedly provided at the rear end of the outer furnace body, and five groups of single-control valves are connected to the outside of the water drains, and a flow meter is connected to the other end of the single-control valve; a guide rail is fixedly provided at the lower inner side of the outer furnace body; a movable furnace door, a sliding bottom frame is fixedly provided at the rear side of the movable furnace door, the sliding bottom frame fits and slides in the guide rail, and the sliding bottom frame of the movable furnace door can fit and seal the outer furnace body; a side of the movable furnace door and the sliding bottom frame that wrap the outer furnace body is also fixedly provided with a conformable inner heat insulation layer.

[0007] Furthermore, five groups of water pipes are fixedly arranged on both sides of the outer furnace body, and the rear ends of the water pipes are connected to the flow meter; combination piles are fixedly arranged in the middle of the front end of both sides of the outer furnace body, the middle two groups of water pipes are connected to the rear ends of the combination piles, and the remaining water pipes are connected to the circulating water circuit opened inside the outer furnace body.

[0008] Furthermore, a drainage piston is fixedly provided at the rear right side of the outer furnace body, and two groups of one-way valves are connected to the front end of the drainage piston. A pipeline is provided outside one group of one-way valves to connect to the right water pipe.

[0009] Furthermore, a circulation channel is provided inside the movable furnace door, docking channels are connected to both sides of the front end of the movable furnace door, convex pieces are fixed on the outside of the docking channel, docking pipe ports are integrally provided behind the positions where the movable furnace door is extended on both sides of the docking channel, and rubber sealing rings are provided on the outer covers of the docking pipe ports.

[0010] Furthermore, the butt joint can be inserted into the combined pile, and a rotary lock that can be locked with the rotary lock is rotatably provided on the outside of the combined pile.

[0011] Furthermore, a sliding bottom plate is slidably arranged on the left side of the sliding bottom frame, and four sets of universal wheels are fixedly arranged on the bottom of the sliding bottom plate.

[0012] Furthermore, two groups of sliding frames are fixedly arranged at the bottom of the sliding bottom plate, and sliding blocks are slidably arranged in the sliding frames to cooperate with the guide rods, and a pull rod is rotatably arranged between the two groups of sliding frames.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] A water row is provided to provide a circulation function for maintaining temperature. Two sets of water rows are used to connect the inlet and outlet water channels to continuously circulate heat for the inner wall of the outer furnace body and the movable furnace door, thereby maintaining the temperature and only heating the workpiece to avoid harm to the human body and significantly reduce the indoor temperature. The single control valve can control the water channel at each position separately. In addition, it can be verified by a flow meter.

[0015] The movable furnace door and the outer furnace body are fixed in combination and can be disassembled. The convex piece is locked by turning the rotary lock to fix the movable furnace door and the outer furnace body. At the same time, the butt joint is inserted into the combination pile to achieve connection. In addition, the sliding bottom plate can also be disassembled. The sliding bottom plate can be pulled out of the sliding bottom frame by pulling the pull rod, and then the workpiece can be transported to the bottom of the forging machine for forging.

[0016] A drain piston is provided to drain the water in the movable furnace door. Close the one-way valve connected to the middle water pipe on the right side, and then press the drain piston to repeatedly extend and retract the drain piston. When the drain piston is extended, the outside air is sucked in through the one-way valve. When the drain piston is retracted, the air is input into the middle water pipe through another set of one-way valves and the pipeline to drain the water in the movable furnace door. Close the one-way valve in the middle of the other side, unlock the rotary lock, and then pull out the movable furnace door to perform subsequent forging steps. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is an axonometric structural schematic diagram of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the utility model in an expanded state.

[0020] Figure 4 It is a schematic diagram of the discharging state structure of the utility model.

[0021] Figure 5 It is a schematic diagram of the side tilt structure of the sliding bottom plate of the utility model.

[0022] Figure 6 It is a schematic diagram of the enlarged structure of the A part of the utility model.

[0023] Figure 7 It is a schematic diagram of the enlarged structure of the B part of the utility model.

[0024] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0025] 1. Outer furnace body; 101. Inner insulation layer; 102. Heater; 103. Guide rail; 104. Water pipe; 2. Drain; 3. Single control valve; 4. Flow meter; 5. Drain piston; 501. One-way valve; 6. Combination pile; 601. Rotary lock; 7. Movable furnace door; 701. Sliding bottom frame; 702. Docking channel; 703. Lug; 704. Docking pipe port; 8. Sliding bottom plate; 801. Sliding frame; 802. Sliding block; 803. Pull rod. DETAILED DESCRIPTION

[0026] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0027] Embodiment 1:

[0028] As attached Figure 1 To Attachment Figure 7 As shown:

[0029] The utility model provides a forging heating furnace for metal workpieces, comprising an outer furnace body 1, the front side and the bottom of the outer furnace body 1 are open structures; the inner wall of the outer furnace body 1 is fixedly provided with an inner heat insulation layer 101 made of graphite, and a heater 102 is fixedly provided on the inner side of the outer furnace body 1 through the inner heat insulation layer 101; two groups of water drains 2 are fixedly provided at the rear end of the outer furnace body 1, and five groups of single-control valves 3 are connected to the outside of the water drains 2, and a flow meter 4 is connected to the other end of the single-control valve 3; a guide rail 103 is fixedly provided at the lower inner side of the outer furnace body 1; a movable furnace door 7, a sliding bottom frame 701 is fixedly provided at the rear side of the movable furnace door 7, the sliding bottom frame 701 fits and slides in the guide rail 103, and the sliding bottom frame 701 of the movable furnace door 7 can fit and seal the outer furnace body 1; a side of the movable furnace door 7 and the sliding bottom frame 701 that wrap the outer furnace body 1 is also fixedly provided with a conformable inner heat insulation layer 101.

[0030] Among them, five groups of water pipes 104 are fixedly arranged on both sides of the outer furnace body 1, and the rear end of the water pipe 104 is connected to the flow meter 4; combined piles 6 are fixedly arranged in the middle of the front end of both sides of the outer furnace body 1, and the middle two groups of water pipes 104 are connected to the rear end of the combined piles 6, and the remaining water pipes 104 are connected to the circulating water circuit opened inside the outer furnace body 1.

[0031] A drainage piston 5 is fixedly provided at the rear right side of the outer furnace body 1 , and two groups of one-way valves 501 are connected to the front end of the drainage piston 5 . A pipeline is provided outside one group of one-way valves 501 to connect to the right water pipe 104 .

[0032] Among them, a circulation channel is opened inside the movable furnace door 7, and docking channels 702 are connected to both sides of the front end of the movable furnace door 7. Lugs 703 are fixedly provided on the outside of the docking channel 702. Docking pipe ports 704 are integrally provided behind the positions where the movable furnace door 7 is extended on both sides of the docking channel 702. The outer cover of the docking pipe port 704 is provided with a rubber sealing ring.

[0033] The butt joint 704 can be inserted into the combined pile 6 , and a rotating lock 601 which can be locked with the rotating lock 601 is rotatably provided on the outside of the combined pile 6 .

[0034] The left side of the sliding bottom frame 701 is slidably provided with a sliding bottom plate 8, and the bottom of the sliding bottom plate 8 is fixedly provided with four sets of universal wheels.

[0035] Two groups of sliding frames 801 are fixedly arranged at the bottom of the sliding base plate 8 , a slider 802 is slidably arranged in the sliding frame 801 to cooperate with the guide rod, and a pull rod 803 is rotatably arranged between the two groups of sliding frames 801 .

[0036] like Figure 1-7As shown, when in use, the workpiece is placed on the preset insulation bed surface above the sliding bottom plate 8, and then the sliding bottom plate 8 is inserted into the sliding bottom frame 701, and then the movable furnace door 7 is moved backward, and the movable furnace door 7 and the sliding bottom frame 701 are used to close the outer furnace body 1;

[0037] Then, the rotary lock 601 is rotated to lock the protruding piece 703, and the movable furnace door 7 and the outer furnace body 1 are fixed, and at the same time, the butt joint 704 is inserted into the combined pile 6 to achieve communication;

[0038] Before heating, check to ensure that the single control valve 3 is fully open, and verify through the flow meter 4 to ensure that the inner wall of the outer furnace body 1 and the movable furnace door 7 continuously circulates and dissipates heat, then start the heater 102 for heating, and stop after the workpiece is heated to the specified temperature.

[0039] Embodiment 2:

[0040] On the basis of Example 1, after heating is completed, the one-way valve 3 connected to the middle water pipe 104 on the right is closed, and then the drainage piston 5 is pressed, and the drainage piston 5 is repeatedly extended and retracted. When the drainage piston 5 is extended, the outside air is sucked in through the one-way valve 501, and when the drainage piston 5 is contracted, the air passes through another set of one-way valves 501 and cooperates with the pipeline to input into the middle water pipe 104, and the water in the movable furnace door 7 is discharged. Then, the one-way valve 3 in the middle of the other side is closed, the rotating lock 601 is unlocked, the movable furnace door 7 is pulled out, and the pull rod 803 can be pulled to pull the sliding bottom plate 8 out of the sliding bottom frame 701, and then the workpiece can be transported to the bottom of the forging machine for forging.

[0041] The specific usage and function of this embodiment are as follows:

[0042] In the utility model, when used, according to Figure 3-4 The workpiece is placed on the preset insulation bed surface above the sliding bottom plate 8, and then the sliding bottom plate 8 is inserted into the sliding bottom frame 701, and then the movable furnace door 7 is moved backward, and the outer furnace body 1 is closed by the movable furnace door 7 and the sliding bottom frame 701;

[0043] The rotary lock 601 is rotated to lock the protruding piece 703, and the movable furnace door 7 and the outer furnace body 1 are fixed, and at the same time, the butt joint 704 is inserted into the combined pile 6 to achieve communication;

[0044] Check to ensure that the single control valve 3 is fully opened, and verify through the flow meter 4 to ensure that the inner wall of the outer furnace body 1 and the movable furnace door 7 continuously circulates and dissipates heat, then start the heater 102 to heat the workpiece, and stop after heating the workpiece to the specified temperature;

[0045] After heating is completed, the one-way valve 3 connected to the middle water pipe 104 on the right side is closed, and then the drainage piston 5 is pressed, and the drainage piston 5 is repeatedly extended and retracted. When the drainage piston 5 is extended, the outside air is sucked in through the one-way valve 501, and when the drainage piston 5 is retracted, the air passes through another set of one-way valves 501 and the pipeline is input into the middle water pipe 104 to discharge the water in the movable furnace door 7. Then, the one-way valve 3 in the middle of the other side is closed, the rotary lock buckle 601 is unlocked, and the movable furnace door 7 is pulled out.

[0046] Furthermore, the sliding bottom plate 8 can be pulled out of the sliding bottom frame 701 by pulling the pull rod 803, and then the workpiece can be transported to the bottom of the forging machine for forging.

Claims

1. A metal workpiece forging heating furnace, characterized in that: include: An outer furnace body (1), wherein the front side and the bottom of the outer furnace body (1) are open structures; the inner wall of the outer furnace body (1) is fixedly provided with an inner heat insulation layer (101) made of graphite, and a heater (102) is fixedly provided on the inner side of the outer furnace body (1) through the inner heat insulation layer (101); two groups of water drains (2) are fixedly provided at the rear end of the outer furnace body (1), and five groups of single control valves (3) are connected to the outside of the water drains (2), and the other end of the single control valve (3) is connected to a flow meter (4); the outer furnace A guide rail (103) is fixedly arranged at the lower inner side of the furnace body (1); a movable furnace door (7), a sliding bottom frame (701) is fixedly arranged at the rear side of the movable furnace door (7), the sliding bottom frame (701) fits and slides in the guide rail (103), and the movable furnace door (7) and the sliding bottom frame (701) can fit and seal the outer furnace body (1); a conformable inner heat insulation layer (101) is also fixedly arranged on one side of the movable furnace door (7) and the sliding bottom frame (701) that wraps the outer furnace body (1).

2. A metal workpiece forging heating furnace as claimed in claim 1, characterized in that: Five groups of water pipes (104) are fixedly arranged on both sides of the outer furnace body (1), and the rear ends of the water pipes (104) are connected to the flow meter (4); combined piles (6) are fixedly arranged in the middle of the front ends of both sides of the outer furnace body (1), the middle two groups of water pipes (104) are connected to the rear ends of the combined piles (6), and the remaining water pipes (104) are connected to a circulating water path opened inside the outer furnace body (1).

3. A metal workpiece forging heating furnace as claimed in claim 2, characterized in that: A drainage piston (5) is fixedly arranged at the rear right side of the outer furnace body (1), and two sets of one-way valves (501) are connected to the front end of the drainage piston (5). A pipeline is arranged outside one set of one-way valves (501) to connect to the right water pipe (104).

4. A metal workpiece forging heating furnace as claimed in claim 1, characterized in that: A circulation channel is provided inside the movable furnace door (7), docking channels (702) are connected to both sides of the front end of the movable furnace door (7), convex pieces (703) are fixedly provided outside the docking channel (702), docking pipe ports (704) are integrally provided behind the positions where the two sides of the docking channel (702) extend out of the movable furnace door (7), and rubber sealing rings are provided on the outer cover of the docking pipe ports (704).

5. A metal workpiece forging heating furnace as claimed in claim 4, characterized in that: The butt joint (704) can be inserted into the combined pile (6) in an aligned manner, and a rotating lock (601) that can be locked with the rotating lock (601) is also rotatably provided on the outside of the combined pile (6).

6. A metal workpiece forging heating furnace as claimed in claim 1, characterized in that: A sliding bottom plate (8) is slidably arranged on the left side of the sliding bottom frame (701), and four sets of universal wheels are fixedly arranged on the bottom of the sliding bottom plate (8).

7. A metal workpiece forging heating furnace as claimed in claim 6, characterized in that: Two groups of sliding frames (801) are fixedly arranged at the bottom of the sliding base plate (8), a sliding block (802) is slidably arranged in the sliding frame (801) in cooperation with the guide rod, and a pull rod (803) is rotatably arranged between the two groups of sliding frames (801).

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