A quenching furnace for heat treatment

Abstract

The utility model discloses a quenching furnace for heat treatment, including a furnace body, a heating chamber, a mesh seat, a door, a rotating mechanism, a connecting seat 1, a rotating frame, a connecting seat 2, a connecting seat 3, a cylinder 1, a water tank, a lifting seat, a lifting mechanism, a fixed seat, a cylinder 2, a sliding column, a placement mechanism, a placement seat, a round rod, a support, a push-pull mechanism, a multi-stage cylinder, a mounting seat, a motor, an extension rod, a push-pull plate, a handle, a groove, an auxiliary mechanism, a telescopic rod, a protective cover and a leg, wherein the lifting mechanism includes a fixed seat fixedly connected to the rear ends of both sides of the water tank, and a cylinder 2 is fixedly connected in the middle of the fixed seat. The advantages of the utility model compared with the prior art are that the cylinder 1, the cylinder 2, the multi-stage cylinder and the motor are all arranged outside the furnace body, and are less affected by the high temperature inside the furnace body, so that the service life of such devices can be extended, and the movement of the mesh seat after quenching is completed is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of quenching furnaces, in particular to a quenching furnace for heat treatment. Background Art

[0002] The quenching furnace is a furnace for heating the workpiece before quenching. Quenching is to put the workpiece into the furnace and heat it to a quenching temperature above the critical point and keep it for a period of time, then quickly take the workpiece out of the furnace and put it into the quenching liquid (oil or water) for quenching. The heat source of the furnace can be electricity and fuel, and the temperature can be measured by thermocouples. Furnaces that use electricity and gas or liquid fuel can use instruments to automatically control and adjust the temperature.

[0003] A heat treatment quenching furnace described in publication number CN219547024U belongs to the technical field of quenching furnaces, and includes a cabinet body, one side of the cabinet body is connected to two cabinet doors by a hinge, a bracket is fixed on the side of the cabinet body away from the cabinet door, a first hydraulic cylinder is fixed on the bracket, a furnace body and a water tank are arranged in the cabinet body, a heating belt is arranged in the furnace body, a heat insulation board is arranged between the furnace body and the water tank, the side of the heat insulation board away from the cabinet door passes through the cabinet body and is connected to the piston rod of the first hydraulic cylinder, a linear motor is fixed on the inner top wall of the cabinet body, a support is fixed on the moving part of the linear motor, a second hydraulic cylinder is fixed on the bottom end of the support, a hook is fixed on the piston rod of the second hydraulic cylinder, a storage tank is arranged in the furnace body, a plurality of through holes are opened on the storage tank, two hanging ropes are fixed on the storage tank, and both hanging ropes are hung on the hook. The heat treatment quenching furnace facilitates the transfer of workpieces and improves efficiency, but the prior art still has defects:

[0004] 1. In the prior art, a furnace is arranged on one side of the cabinet, and a linear motor and a hydraulic cylinder are arranged on the upper end of the furnace. The temperature on the upper end of the furnace is relatively high, and the high temperature environment will accelerate the aging of the linear motor and the hydraulic cylinder, and shorten the service life of such devices.

[0005] 2. In the prior art, after quenching is completed, it is not convenient to take the storage tank out from the cabinet after it is lifted from the upper end of the water tank, which brings inconvenience to the operator. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the above-mentioned defects and provide a quenching furnace for heat treatment.

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: a quenching furnace for heat treatment, comprising:

[0008] A furnace body, wherein a heating chamber is arranged in the middle of the furnace body;

[0009] A mesh seat, the mesh seat being arranged in the middle of the lower end of the heating chamber;

[0010] A door hinged to the upper front end of the furnace body;

[0011] A rotating mechanism, wherein the rotating mechanism is arranged on the warehouse door;

[0012] A water tank, which is arranged at the lower end of the front side of the furnace body;

[0013] A lifting seat, the lifting seat is arranged at the upper end of the rear side of the water tank;

[0014] A lifting mechanism, the lifting mechanism is arranged on a lifting seat, the lifting mechanism comprises a fixed seat fixedly connected to the rear ends of both sides of the water tank, a second cylinder is fixedly connected in the middle of the fixed seat, the upper end of the second cylinder is fixedly connected to the lifting seat, a sliding column is fixedly connected to the front and rear ends of the upper ends of the fixed seat, and the upper end of the sliding column passes through the upper end of the lifting seat;

[0015] A placing mechanism, the placing mechanism is arranged on the water tank, the placing mechanism comprises a placing seat fixedly connected to the front side of the upper end of the water tank, and a plurality of evenly distributed round rods are fixedly connected in the middle of the placing seat;

[0016] A support, the support being fixedly connected to the upper end of the front side of the water tank;

[0017] A push-pull mechanism, the push-pull mechanism is arranged on the support, the push-pull mechanism comprises a multi-stage cylinder fixedly connected to the middle of the front side of the support, the rear end of the multi-stage cylinder is fixedly connected to a mounting seat, the rear side of the mounting seat is fixedly connected to a motor, the rear end output shaft of the motor is fixedly connected to an extension rod, the rear end of the extension rod is fixedly connected to a push-pull plate, the front end of the net seat is fixedly connected to a handle, and a groove for matching the push-pull plate is provided in the middle of the front and rear ends of the handle;

[0018] The auxiliary mechanism is arranged on the mounting seat.

[0019] As an improvement, the rotating mechanism comprises:

[0020] A connecting seat 1, wherein the connecting seat 1 is fixedly connected to the middle of the front side of the upper end of the furnace body;

[0021] A rotating frame, wherein the upper end of the rear side of the rotating frame is rotatably connected to the middle of an upper end of the connecting seat;

[0022] A second connecting seat, wherein the second connecting seat is fixedly connected to the middle of the front side of the door, and the lower end of the rotating frame is rotatably connected to the middle of the front end of the second connecting seat;

[0023] A connecting seat three, wherein the connecting seat three is fixedly connected to the middle of the rear side of the upper end of the furnace body;

[0024] Cylinder one, the rear end of the cylinder one is rotatably connected to the upper end of the connecting seat three, and the front end of the cylinder one is rotatably connected to the top of the rotating frame.

[0025] As an improvement, the auxiliary mechanism includes:

[0026] A telescopic rod, the telescopic rod is fixedly connected to the middle of the upper end of the rear side of the support, and the rear end of the telescopic rod is fixedly connected to the middle of the upper end of the front side of the mounting seat;

[0027] The protective cover is fixedly connected to the front side of the mounting seat, and the mounting seat is sleeved on the outside of the motor.

[0028] As an improvement, legs are fixedly connected to both sides of the lower end of the furnace body.

[0029] As an improvement, the lower end of the heating chamber is flush with the upper end of the water tank.

[0030] Compared with the prior art, the advantages of the present invention are: 1. The cylinder 1, cylinder 2, multi-stage cylinder and motor used in the present invention are all arranged outside the furnace body and are less affected by the high temperature inside the furnace body, which can extend the service life of such devices.

[0031] 2. After quenching is completed in the utility model, cylinder 2 can drive the lifting seat to move upward inside the water tank, move the net seat to the upper end, and the push-pull plate is inserted into the groove again. The multi-stage cylinder continues to drive the net seat to move backward, and moves the net seat to the round rod in the middle of the placement seat. The motor drives the push-pull plate to rotate back to the horizontal position, and then the net seat is moved from the placement seat to the moving mechanism through external transportation or moving mechanism, which is convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 The utility model is a structural schematic diagram of a quenching furnace for heat treatment.

[0033] Figure 2 It is a right side cross-sectional view of a quenching furnace for heat treatment of the utility model.

[0034] Figure 3 yes Figure 2 Enlarged view of area A in the middle.

[0035] Figure 4 The utility model is a cross-sectional view of a quenching furnace for heat treatment.

[0036] Figure 5 The utility model is a structural schematic diagram of a mesh seat of a quenching furnace for heat treatment.

[0037] As shown in the figure: 1. furnace body; 2. heating chamber; 3. mesh seat; 4. warehouse door; 5. rotating mechanism; 51. connecting seat one; 52. rotating frame; 53. connecting seat two; 54. connecting seat three; 55. cylinder one; 6. water tank; 7. lifting seat; 8. lifting mechanism; 81. fixed seat; 82. cylinder two; 83. sliding column; 9. placing mechanism; 91. placing seat; 92. round rod; 10. support; 11. push-pull mechanism; 111. multi-stage cylinder; 112. mounting seat; 113. motor; 114. extension rod; 115. push-pull plate; 116. handle; 117. groove; 12. auxiliary mechanism; 121. telescopic rod; 122. protective cover; 13. support leg. DETAILED DESCRIPTION

[0038] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0039] A quenching furnace for heat treatment comprises a furnace body 1, a heating chamber 2 is arranged in the middle of the furnace body 1, a mesh seat 3 is arranged in the middle of the lower end of the heating chamber 2, the mesh seat 3 is used to place the quenching workpiece, a compartment door 4 is hinged at the upper end of the front side of the furnace body 1, the compartment door 4 can be rotated upward to open, and legs 13 are fixedly connected to the front and rear sides of the lower end of the furnace body 1.

[0040] The warehouse door 4 is provided with a rotating mechanism 5, which includes a connecting seat 1 51, a rotating frame 52, a connecting seat 2 53, a connecting seat 3 54 and a cylinder 1 55. The connecting seat 1 51 is fixedly connected to the middle of the front side of the upper end of the furnace body 1, the upper end of the rear side of the rotating frame 52 is rotatably connected to the middle of the upper end of the connecting seat 1 51, the connecting seat 2 53 is fixedly connected to the middle of the front side of the warehouse door 4, the lower end of the rotating frame 52 is rotatably connected to the middle of the front end of the connecting seat 2 53, the connecting seat 3 54 is fixedly connected to the middle of the rear side of the upper end of the furnace body 1, the rear end of the cylinder 1 55 is rotatably connected to the upper end of the connecting seat 3 54, and the connecting seat 3 54 can be made of a material with good heat insulation performance. The front end of the cylinder 1 55 is rotatably connected to the top of the rotating frame 52. When the warehouse door 4 needs to be opened, the cylinder 1 55 contracts and pulls the rotating frame 52 to rotate on the connecting seat 1 51, thereby driving the warehouse door 4 to rotate upward and open. When closing, the cylinder 1 55 pushes the rotating frame 52 forward to rotate, thereby driving the warehouse door 4 to rotate downward and close, which is convenient for opening and closing the warehouse door 4.

[0041] A water tank 6 is arranged at the lower end of the front side of the furnace body 1, and the height of the lower end of the heating chamber 2 is flush with the height of the upper end of the water tank 6, so as to facilitate the mesh seat 3 to enter and exit. A lifting seat 7 is arranged at the upper end of the rear side inside the water tank 6, and a lifting mechanism 8 is arranged on the lifting seat 7. The lifting mechanism 8 includes a fixed seat 81 fixedly connected to the rear ends of both sides of the water tank 6, and a cylinder 2 82 is fixedly connected in the middle of the fixed seat 81, and the upper end of the cylinder 2 82 is fixedly connected to the lifting seat 7, and a sliding column 83 is fixedly connected to the front and rear ends of the upper ends of the fixed seat 81, and the upper ends of the sliding columns 83 pass through the upper ends of the lifting seats 7, and the cylinder 2 82 can drive the lifting seat 7 to move up and down inside the water tank 6.

[0042] A placement mechanism 9 is provided on the water tank 6, and the placement mechanism 9 includes a placement seat 91 fixedly connected to the front side of the upper end of the water tank 6, and a plurality of evenly distributed round rods 92 are fixedly connected in the middle of the placement seat 91. After the net seat 3 is moved to the upper end of the placement seat 91, it is convenient to move the placement seat 91 to the desired position.

[0043] A support 10 is fixedly connected to the upper end of the front side of the water tank 6, and a push-pull mechanism 11 is arranged on the support 10. The push-pull mechanism 11 includes a multi-stage cylinder 111 fixedly connected to the middle of the front side of the support 10, and a mounting seat 112 is fixedly connected to the rear end of the multi-stage cylinder 111, and a motor 113 is fixedly connected to the rear side of the mounting seat 112, and an extension rod 114 is fixedly connected to the output shaft at the rear end of the motor 113, and a push-pull plate 115 is fixedly connected to the rear end of the extension rod 114, and a handle 116 is fixedly connected to the front end of the net seat 3, and a groove 117 for matching the push-pull plate 115 is provided in the middle of the front and rear ends of the handle 116. The multi-stage cylinder 111 can drive the mounting seat 112 to move backward, thereby driving the push-pull plate 115 to move to the upper end of the handle 116. When the push-pull plate 115 is arranged horizontally, the lower end is higher than the upper end of the handle 116. After starting the motor 113 to drive the push-pull plate 115 to rotate ninety degrees, the push-pull plate 115 is set vertically. At this time, the lower end of the push-pull plate 115 is lower than the upper end of the handle 116, and the push-pull plate 115 can be moved forward to the groove 117 at the rear end. At this time, the multi-stage cylinder 111 moves backward to drive the mesh seat 3 to move forward out of the heating chamber 2. The auxiliary mechanism 12 is arranged on the mounting seat 112. The auxiliary mechanism 12 includes a telescopic rod 121 and a protective cover 122. The telescopic rod 121 is fixedly connected to the middle of the upper end of the rear side of the support 10, and the rear end of the telescopic rod 121 is fixedly connected to the middle of the upper end of the front side of the mounting seat 112, so as to limit the movement of the mounting seat 112 again. The protective cover 122 is fixedly connected to the front side of the mounting seat 112, and the mounting seat 112 is sleeved on the outside of the motor 113.

[0044] When the multi-stage cylinder 111 drives the net seat 3 backward to move onto the lifting seat 7, the cylinder 2 82 can drive the lifting seat 7 to move downward inside the water tank 6, so as to quench the workpiece heated inside the net seat 3, and the handle 116 can directly follow the net seat 3 to move downward, and the push-pull plate 115 does not block it. After quenching is completed, the cylinder 2 82 can drive the lifting seat 7 to move upward inside the water tank 6, move the net seat 3 to the upper end, and the push-pull plate 115 is inserted into the groove 117 again. The multi-stage cylinder 111 continues to drive the net seat 3 backward to move the net seat 3 to the round rod 92 in the middle of the placement seat 91, and the motor 113 drives the push-pull plate 115 to rotate back to a horizontal position, and then the net seat 3 is moved down from the placement seat 91 by external transportation or a moving mechanism, which is convenient to operate.

[0045] When the utility model is implemented, Figure 1-5As shown, when in use, the mesh seat 3 with the workpiece is placed in the middle of the upper end of the placement seat 91, the cylinder 55 is started to shrink and pull the rotating frame 52 to rotate on the connecting seat 51, thereby driving the warehouse door 4 to rotate upward and open, and the motor 113 is started to drive the push-pull plate 115 to rotate ninety degrees. The push-pull plate 115 is set vertically, and the multi-stage cylinder 111 is started to drive the mounting seat 112 to move backward, and the push-pull plate 115 is moved backward to the groove 117 at the front end, and then the multi-stage cylinder 111 continues to push the moving mesh seat 3, and the mesh seat 3 is pushed into the heating chamber 2 inside the furnace body 1 after passing through the lifting seat 7, and the multi-stage cylinder 111 drives the push-pull plate 115 to move backward, and the motor 113 also drives the push-pull plate 115 to return to the horizontal position, and then the cylinder 55 pushes the rotating frame 52 forward to rotate, thereby driving the warehouse door 4 to rotate downward and close, and the workpiece is heated inside the furnace body 1.

[0046] After the workpiece is heated, the starting cylinder 55 contracts and pulls the rotating frame 52 to rotate on the connecting seat 51, thereby driving the warehouse door 4 to rotate upward and open, and the multi-stage cylinder 111 drives the mounting seat 112 to move backward, thereby driving the push-pull plate 115 to move to the upper end of the handle 116. When the push-pull plate 115 is set horizontally, the lower end is higher than the upper end of the handle 116. After the starting motor 113 drives the push-pull plate 115 to rotate ninety degrees, the push-pull plate 115 is set vertically. At this time, the lower end of the push-pull plate 115 is lower than the upper end of the handle 116, and the push-pull plate 115 can be moved forward to the groove 117 at the rear end. At this time, the backward movement of the multi-stage cylinder 111 can drive the mesh seat 3 to move forward out of the heating chamber 2.

[0047] After the mesh seat 3 leaves the heating chamber 2, it is quickly moved to the lifting seat 7. The water tank 6 is filled with water in advance, and the multi-stage cylinder 111 stops pulling. The cylinder 2 82 can drive the lifting seat 7 to move downward in the water tank 6, so as to quench the workpiece heated inside the mesh seat 3. The handle 116 can directly follow the mesh seat 3 to move downward, and the push-pull plate 115 does not block it. After quenching is completed, the cylinder 2 82 can drive the lifting seat 7 to move upward in the water tank 6, and move the mesh seat 3 to the upper end. The push-pull plate 115 is inserted into the groove 117 again, and the multi-stage cylinder 111 continues to drive the mesh seat 3 to move backward, and moves the mesh seat 3 to the round rod 92 in the middle of the placement seat 91. The motor 113 drives the push-pull plate 115 to rotate back to a horizontal position, and then the mesh seat 3 is moved down from the placement seat 91 by external transportation or a moving mechanism, which is convenient to operate.

[0048] The used devices, cylinder 1 55, cylinder 2 82, multi-stage cylinder 111 and motor 113, are all arranged outside the furnace body 1 and are less affected by the high temperature inside the furnace body 1, thereby extending the service life of the devices.

[0049] The electrical components appearing in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that controls a computer, etc. The specific implementation method of the present disclosure omits the detailed description of known functions and known components. To ensure the compatibility of the equipment, the operating methods used are consistent with the parameters of marketed equipment.

[0050] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A quenching furnace for heat treatment, characterized in that: include: A furnace body (1), wherein a heating chamber (2) is arranged in the middle of the furnace body (1); A mesh seat (3), the mesh seat (3) being arranged in the middle of the lower end of the heating chamber (2); A door (4), the door (4) being hinged to the upper front end of the furnace body (1); A rotating mechanism (5), wherein the rotating mechanism (5) is arranged on the warehouse door (4); A water tank (6), wherein the water tank (6) is arranged at the lower end of the front side of the furnace body (1); A lifting seat (7), wherein the lifting seat (7) is arranged at the upper end of the rear side of the water tank (6); A lifting mechanism (8), the lifting mechanism (8) is arranged on the lifting seat (7), the lifting mechanism (8) comprises a fixed seat (81) fixedly connected to the rear ends of both sides of the water tank (6), a second cylinder (82) is fixedly connected in the middle of the fixed seat (81), the upper end of the second cylinder (82) is fixedly connected to the lifting seat (7), a sliding column (83) is fixedly connected to the front and rear ends of the upper end of the fixed seat (81), and the upper end of the sliding column (83) passes through the upper end of the lifting seat (7); A placement mechanism (9), the placement mechanism (9) being arranged on the water tank (6), the placement mechanism (9) comprising a placement seat (91) fixedly connected to the front side of the upper end of the water tank (6), and a plurality of evenly distributed round rods (92) being fixedly connected in the middle of the placement seat (91); A support (10), wherein the support (10) is fixedly connected to the upper end of the front side of the water tank (6); A push-pull mechanism (11), the push-pull mechanism (11) is arranged on a support (10), the push-pull mechanism (111) comprises a multi-stage cylinder (111) fixedly connected to the middle of the front side of the support (10), the rear end of the multi-stage cylinder (111) is fixedly connected to a mounting seat (112), the rear side of the mounting seat (112) is fixedly connected to a motor (113), the rear end output shaft of the motor (113) is fixedly connected to an extension rod (114), the rear end of the extension rod (114) is fixedly connected to a push-pull plate (115), the front end of the net seat (3) is fixedly connected to a handle (116), and a groove (117) for matching the push-pull plate (115) is provided in the middle of the front and rear ends of the handle (116); An auxiliary mechanism (12), wherein the auxiliary mechanism (12) is arranged on a mounting seat (112).

2. A quenching furnace for heat treatment according to claim 1, characterized in that: The rotating mechanism (5) comprises: A connecting seat (51), wherein the connecting seat (51) is fixedly connected to the middle of the front side of the upper end of the furnace body (1); A rotating frame (52), wherein the upper end of the rear side of the rotating frame (52) is rotatably connected to the middle of the upper end of the connecting seat (51); A second connecting seat (53), wherein the second connecting seat (53) is fixedly connected to the middle of the front side of the warehouse door (4), and the lower end of the rotating frame (52) is rotatably connected to the middle of the front end of the second connecting seat (53); A third connecting seat (54), wherein the third connecting seat (54) is fixedly connected to the middle of the rear side of the upper end of the furnace body (1); Cylinder one (55), the rear end of the cylinder one (55) is rotatably connected to the upper end of the connecting seat three (54), and the front end of the cylinder one (55) is rotatably connected to the top of the rotating frame (52).

3. A quenching furnace for heat treatment according to claim 1, characterized in that: The auxiliary mechanism (12) comprises: A telescopic rod (121), the telescopic rod (121) being fixedly connected to the middle of the upper end of the rear side of the support (10), and the rear end of the telescopic rod (121) being fixedly connected to the middle of the upper end of the front side of the mounting seat (112); A protective cover (122), wherein the protective cover (122) is fixedly connected to the front side of the mounting seat (112), and the mounting seat (112) is sleeved on the outside of the motor (113).

4. A quenching furnace for heat treatment according to claim 1, characterized in that: Support legs (13) are fixedly connected at both sides of the lower end of the furnace body (1).

5. A quenching furnace for heat treatment according to claim 1, characterized in that: The height of the lower end of the heating chamber (2) is flush with the height of the upper end of the water tank (6).

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