Furnace door mechanism and heating furnace

Abstract

The utility model relates to a furnace door mechanism and a heating furnace. The furnace door mechanism comprises a furnace door, a driving shaft, a hand-cranking assembly and a locking piece. The driving shaft is rotatably installed on the furnace body and connected with the furnace door. The hand-cranking assembly comprises a connecting piece and a control handle, the first end of the connecting piece is fixedly connected with the driving shaft, and the second end of the connecting piece is rotatably connected with the control handle. The hand-cranking assembly can drive the driving shaft to rotate around the axis of the driving shaft, and the driving shaft drives the furnace door to move so that the furnace door can be in an open state. The locking piece is fixedly connected with the control handle, and the control handle can drive the locking piece to rotate to be matched with the furnace door in a locking mode so that the furnace door can be kept in an open state. Thus, production personnel do not need to manually support the furnace door, the number of the production personnel needed for keeping the furnace door open is reduced, the vacated production personnel can better deal with other conditions of emergency furnace discharging, the production quality is guaranteed, and the production efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of glass heating equipment, and particularly to a furnace door mechanism and a heating furnace. Background Art

[0002] A glass heating furnace includes a furnace body and a furnace door mechanism, and the furnace door mechanism is installed on the furnace body. Generally, the furnace door mechanism includes a furnace door, a cylinder, and a hand crank. Under normal circumstances, the cylinder drives the furnace door to open and close. If a fault occurs in the air circuit of the cylinder, the hand crank is used to drive the furnace door to open and close. However, when a fault occurs in the air circuit of the cylinder, if the furnace door needs to be opened for a long time, production personnel need to operate the hand crank for a long time to support the furnace door to remain in the open state, wasting manpower. Summary of the Utility Model

[0003] Based on this, it is necessary to provide a furnace door mechanism and a heating furnace, which can keep the furnace door in the open state for a long time without manual support by production personnel, saving manpower.

[0004] In a first aspect, the present application provides a furnace door mechanism, including:

[0005] A furnace door;

[0006] A drive shaft, which is rotatably installed on the furnace body and is connected to the furnace door;

[0007] A hand-cranking assembly, which includes a connecting member and a control handle. The first end of the connecting member is fixedly connected to the drive shaft, the second end of the connecting member is rotatably connected to the first end of the control handle, and the hand-cranking assembly can drive the drive shaft to rotate so that the furnace door has an open state; and

[0008] A locking member, which is fixedly connected to the control handle, and the control handle can drive the locking member to rotate to be in locking cooperation with the furnace door so that the furnace door remains in the open state.

[0009] In one embodiment, the locking member is provided with a locking hook, and when the furnace door is in the open state, the locking hook is used to hook on a fixed shaft of the furnace body.

[0010] In one embodiment, the furnace door mechanism further includes an elastic member, the first end of the elastic member is connected to the connecting member, and the second end of the elastic member is connected to the locking hook.

[0011] In one embodiment, a first connecting portion is provided on one side of the second end of the connecting member facing away from the operating handle, a second connecting portion is provided on one side of the second end of the locking member facing away from the operating handle, a first end of the elastic member is connected to the first connecting portion, and a second end of the elastic member is connected to the second connecting portion.

[0012] In one embodiment, the first connecting portion is provided with a first screw, a first positioning sleeve is sleeved on the first screw, and the first screw presses the first positioning sleeve on the connecting member; the second connecting portion is provided with a second screw, a second positioning sleeve is sleeved on the second screw, and the second screw presses the second positioning sleeve on the locking member; a first end of the elastic member is hooked between a side of the first positioning sleeve facing away from the connecting member and a nut of the first screw, a second end of the elastic member is hooked between a side of the second positioning sleeve facing away from the locking member and a nut of the second screw, and positions of the elastic member on the first screw and on the second screw are directly opposite to each other.

[0013] In one embodiment, the second end of the connecting member is provided with a mounting hole; the hand-cranking assembly further includes a bearing, the bearing is disposed in the mounting hole, and a first end of the operating handle is disposed in an inner hole of the bearing.

[0014] In one embodiment, the furnace door mechanism further includes a driving member for mounting on the furnace body, the driving member is connected to the driving shaft, and the driving member is configured to drive the driving shaft to rotate about its own axis.

[0015] In one embodiment, the furnace door mechanism further includes a link transmission assembly, a first end of the link transmission assembly is connected to the driving shaft, and a second end of the link transmission assembly is connected to the furnace door.

[0016] In one embodiment, the link transmission assembly includes a crank and a pull rod, the crank is fixedly connected to the driving shaft, a first end of the pull rod is hinged to the crank, and a second end of the pull rod is hinged to the furnace door.

[0017] In a second aspect, the present application further provides a heating furnace, including:

[0018] a furnace body; and

[0019] the furnace door mechanism according to any one of the above, the furnace door mechanism being mounted on the furnace body.

[0020] For the above-mentioned furnace door mechanism and heating furnace, if it is necessary to manually open the furnace door, press down the control handle. The control handle drives the drive shaft to rotate around its own axis through a connecting member, and then drives the furnace door to move until the furnace door moves to a preset open position. Then, rotate the control handle so that the control handle rotates around its own axis. The control handle drives the locking member to rotate synchronously until the locking member is locked and engaged with the furnace body, so that the furnace door can be kept open for a long time. In this way, there is no need for production personnel to manually support the furnace door, reducing the production personnel required to keep the furnace door open. The freed production personnel can better handle other situations of emergency tapping, ensuring the production quality and improving the production efficiency. Description of the Drawings

[0021] Figure 1 It is a schematic structural diagram of a furnace door mechanism according to an embodiment of the present application.

[0022] Figure 2 It is Figure 1 a schematic structural diagram of the shown furnace door mechanism from another perspective.

[0023] Figure 3 It is a front view of a heating furnace according to an embodiment of the present application.

[0024] Figure 4 It is Figure 3 a partial enlarged view at position in.

[0025] Explanation of the Reference Numerals in the Drawings:

[0026] 10. Furnace door mechanism; 11. Furnace door; 12. Drive shaft; 13. Hand-cranked assembly; 131. Connecting member; 1311. First connection part; 13111. First positioning sleeve; 13112. First screw; 132. Control handle; 14. Locking member; 141. Lock hook; 142. Second connection part; 1421. Second positioning sleeve; 1422. Second screw; 15. Elastic member; 16. Driving member; 17. Link transmission assembly; 171. Crank; 172. Tie rod; 20. Furnace body; 21. Fixed shaft. Detailed Description of the Embodiment

[0027] To make the above objects, features, and advantages of the present application more obvious and understandable, the following detailed description of the specific embodiments of the present application is provided in conjunction with the drawings. Many specific details are set forth in the following description to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein. Those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0028] Refer to Figure 3 , Figure 3The front view of a heating furnace according to an embodiment of the present application is shown. The heating furnace provided by an embodiment of the present application includes a furnace body 20 and a furnace door mechanism 10. The furnace door mechanism 10 is installed on the furnace body 20.

[0029] In one embodiment, referring to Figure 1 , Figure 2 and Figure 3 , Figure 1 the structural schematic diagram of the furnace door mechanism according to an embodiment of the present application is shown, Figure 2 shows Figure 1 the structural schematic diagram of the furnace door mechanism shown in another perspective, Figure 3 The front view of a heating furnace according to an embodiment of the present application is shown. The furnace door mechanism 10 includes a furnace door 11, a drive shaft 12, a hand-crank assembly 13, and a locking member 14. The drive shaft 12 is rotatably installed on the furnace body 20, and the drive shaft 12 is connected to the furnace door 11. The hand-crank assembly 13 includes a connecting member 131 and a control handle 132. The first end of the connecting member 131 is fixedly connected to the drive shaft 12, and the second end of the connecting member 131 is rotatably connected to the control handle 132. The hand-crank assembly 13 can drive the drive shaft 12 to rotate about its own axis, and the drive shaft 12 drives the furnace door 11 to move so that the furnace door 11 has an open state. The locking member 14 is fixedly connected to the control handle 132, and the control handle 132 can drive the locking member 14 to rotate into locking cooperation with the furnace door 11 so that the furnace door 11 remains in the open state.

[0030] If it is necessary to manually open the furnace door 11, press down the control handle 132. The control handle 132 drives the drive shaft 12 to rotate about its own axis through the connecting member 131, and then drives the furnace door 11 to move until the furnace door 11 moves to a preset open position. Then, rotate the control handle 132 so that the control handle 132 rotates about its own axis. The control handle 132 drives the locking member 14 to rotate synchronously until the locking member 14 is in locking cooperation with the furnace body 20, so that the furnace door 11 can remain in the open state for a long time. In this way, it is not necessary for production personnel to manually support the furnace door 11, reducing the production personnel required to keep the furnace door 11 in the open state. The freed production personnel can better handle other situations of emergency discharging, ensuring the production quality and improving the production efficiency.

[0031] In one embodiment, referring to Figure 1 and Figure 2 , a fixing hole is provided at the first end of the connecting member 131. The drive shaft 12 is arranged in the fixing hole, and the drive shaft 12 is in interference fit with the fixing hole. In this way, the fixed connection between the drive shaft 12 and the connecting member 131 is realized, and at the same time, the connecting member 131 can be detached from the drive shaft 12.

[0032] Of course, in other embodiments, the fixed connection between the drive shaft 12 and the connecting member 131 can also be realized by welding.

[0033] In one embodiment, see Figure 2 The locking member 14 is provided with a lock hook 141. When the furnace door 11 is in the open state, the lock hook 141 is used to hook on the fixed shaft 21 of the furnace body 20. When the hand crank assembly 13 drives the furnace door 11 to move to the preset open position, an external force acts on the operating handle 132, so that the operating handle 132 rotates around its own axis, and the operating handle 132 drives the lock hook 141 to rotate synchronously until the lock hook 141 hooks on the fixed shaft 21 of the furnace body 20, so that the furnace door 11 remains in the open state.

[0034] Of course, in other embodiments, the locking member 14 is provided with a locking column, and the furnace body 20 is provided with a locking hole. After the furnace door 11 moves to the preset open position, an external force acts on the operating handle 132, so that the operating handle 132 rotates around its own axis, and the operating handle 132 drives the locking column to rotate, so that the locking column is inserted into the locking hole of the furnace body 20, so that the furnace door 11 remains in the open state.

[0035] In one embodiment, see Figure 2 , the second end of the connecting member 131 is provided with a mounting hole. The hand crank assembly 13 also includes a bearing, which is arranged in the mounting hole, and the first end of the operating handle 132 is arranged in the inner hole of the bearing. By providing the bearing, the operating handle 132 is rotatably connected to the connecting member 131, and at the same time, the friction coefficient between the connecting member 131 and the operating handle 132 can be reduced, the wear of the connecting member 131 and the operating handle 132 can be reduced, and the service life of the hand crank assembly 13 can be extended.

[0036] In one embodiment, see Figure 2 and Figure 4 The locking member 14 is arranged on one side of the second end of the connecting member 131 away from the operating handle 132. Such arrangement facilitates the locking member 14 to lock and cooperate with the fixed shaft 21 of the furnace body 20.

[0037] In one embodiment, see Figure 2 and Figure 4 The furnace door mechanism 10 further includes an elastic member 15. The first end of the elastic member 15 is connected to the connecting member 131, and the second end of the elastic member 15 is connected to the locking member 14. Optionally, the elastic member 15 is a spring. Of course, in other embodiments, the elastic member 15 can also be other devices with elastic functions, which is not limited thereto.

[0038] It should be noted that, when the hand-crank assembly 13 drives the driving shaft 12 to rotate around its own axis, the elastic member 15 is in a tightened state, and the locking hook 141 will not be hooked on the fixed shaft 21 of the furnace body 20 .

[0039] If it is necessary to open the furnace door 11, then shake the operating handle 132. The operating handle 132 drives the drive shaft 12 to rotate around its own axis through the connecting member 131. The drive shaft 12 drives the furnace door 11 to move until the furnace door 11 moves to a preset open position. Then, rotate the operating handle 132, and the operating handle 132 drives the locking member 14 to rotate until it is hooked on the fixed shaft 21 of the furnace body 20. During the rotation of the locking member 14, the elastic member 15 gradually elongates. After the locking member 14 is hooked on the fixed shaft 21 of the furnace body 20, the locking member 14 is stably hooked on the fixed shaft 21 of the furnace body 20 under the action of the elastic restoring force of the elastic member 15, so that the furnace door 11 is stably kept in an open state.

[0040] If it is necessary to close the furnace door 11, remove the locking member 14 from the fixed shaft 21 of the furnace body 20, and the locking member 14 rotates reversely and resets under the action of the elastic member 15.

[0041] In one embodiment, referring to Figure 2 and Figure 4 , a first connection portion 1311 is provided on one side of the second end of the connecting member 131 facing away from the operating handle 132, and a second connection portion 142 is provided on one side of the second end of the locking member 14 facing away from the operating handle 132. The first end of the elastic member 15 is connected to the first connection portion 1311, and the second end of the elastic member 15 is connected to the second connection portion 142. In this way, the elastic member 15 is arranged on one side of the connecting member 131 and the second end of the locking member 14 facing away from the operating handle 132, which can avoid interference between the elastic member 15 and the operating handle 132 during the rotation of the locking member 14.

[0042] Optionally, referring to Figure 4 , the first connection portion 1311 is provided with a first screw 13112, a first positioning sleeve 13111 is sleeved on the first screw 13112, and the first screw 13112 presses the first positioning sleeve 13111 on the connecting member 131. The second connection portion 142 is provided with a second screw 1422, a second positioning sleeve 1421 is sleeved on the second screw 1422, and the second screw 1422 presses the second positioning sleeve 1421 on the locking member 14. The first end of the elastic member 15 is hooked between the side of the first positioning sleeve 13111 facing away from the connecting member 131 and the nut of the first screw 13112, and the second end of the elastic member 15 is hooked between the side of the second positioning sleeve 1421 facing away from the locking member 14 and the nut of the second screw 1422. The position of the elastic member 15 on the first screw 13112 is directly opposite to the position of the elastic member 15 on the second screw 1422. In this way, it is prevented that the elastic member 15 is obliquely installed, resulting in falling off and change of the force application direction, prolonging the service life of the elastic member 15, and at the same time, it can also avoid interference between the elastic member 15 and the locking member 14, etc.

[0043] In one embodiment, referring to Figure 1 andFigure 3 The furnace door mechanism 10 further includes a driving member 16. The driving member 16 is mounted on the furnace body 20, and the driving member 16 is connected to the driving shaft 12, and the driving member 16 is used to drive the driving shaft 12 to rotate around its own axis. Optionally, the driving member is a cylinder, an electric cylinder, etc., but is not limited thereto.

[0044] Under normal circumstances, the furnace door 11 is opened by the driving member 16. Specifically, the driving member 16 is started, and the driving member 16 drives the driving shaft 12 to rotate around its own axis, thereby driving the furnace door 11 to open.

[0045] If there is air leakage in the gas path of the driving member 16, external force acts on the hand crank assembly 13, the hand crank assembly 13 drives the driving shaft 12 to rotate around its own axis, and the driving shaft 12 drives the furnace door 11 to open.

[0046] In one embodiment, see Figure 1 , the power output direction of the driving member 16 intersects with the axis of the driving shaft 12. Optionally, the power output direction of the driving member 16 is perpendicular to the axis of the driving shaft 12. A connecting rod is provided at the power output end of the driving member 16, and the end of the connecting rod away from the driving member 16 is connected to the driving shaft 12. When in use, the driving member 16 is started, the driving member 16 drives the connecting rod to move, and the connecting rod drives the driving shaft 12 to rotate around its own axis to drive the furnace door 11 to open and close.

[0047] In one embodiment, see Figure 1 , Figure 2 and Figure 3 The furnace door mechanism 10 further includes a connecting rod transmission assembly 17. A first end of the connecting rod transmission assembly 17 is connected to the drive shaft 12, and a second end of the connecting rod transmission assembly 17 is connected to the furnace door 11. It can be understood that the furnace door 11 is connected to the drive shaft 12 through the connecting rod transmission assembly 17. When in use, the drive shaft 12 rotates around its own axis, thereby driving the connecting rod transmission assembly 17 to move, thereby driving the furnace door 11 to open and close.

[0048] Further, see Figure 1 and Figure 3 The connecting rod transmission assembly 17 includes a crank 171 and a pull rod 172. The crank 171 is fixedly connected to the drive shaft 12, the first end of the pull rod 172 is hinged to the crank 171, and the second end of the pull rod 172 is hinged to the furnace door 11. If the furnace door 11 needs to be opened, the drive shaft 12 rotates around its own axis to drive the crank 171 to rotate synchronously, and the crank 171 drives the pull rod 172 to move upward to pull the furnace door 11 upward, so that the furnace door 11 is opened. If the furnace door 11 needs to be closed, the drive shaft 12 rotates around its own axial direction to drive the crank 171 to rotate synchronously in the opposite direction, and the crank 171 drives the pull rod 172 to move downward to push the furnace door 11 downward, so that the furnace door 11 is closed.

[0049] It should be noted that the number of the connecting rod transmission assemblies 17 can be set according to actual requirements. Optionally, there is one connecting rod transmission assembly 17, and the crank 171 of the connecting rod transmission assembly 17 is installed at the middle part of the axial direction of the drive shaft 12. Optionally, there are more than two connecting rod transmission assemblies 17, and the cranks 171 of all the connecting rod transmission assemblies 17 are arranged at equal intervals along the axial direction of the drive shaft 12.

[0050] In the description of the present application, it should be understood that if there appear such terms as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0051] In addition, if there appear such terms as "first" and "second", these terms are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present application, if there appears the term "plurality", the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0052] In the present application, unless otherwise clearly specified and limited, if there appear such terms as "installed", "connected", "connected to", "fixed", etc., these terms should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0053] In this application, unless otherwise clearly defined and limited, if there is a description such as a first feature being "on" or "under" a second feature, its meaning can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or simply means that the horizontal height of the first feature is less than that of the second feature.

[0054] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there can also be an intermediate element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. If so, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in this application are only for the purpose of illustration and do not represent the only implementation.

[0055] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered to be within the scope described in this specification.

[0056] The above-described embodiments only represent several implementation manners of this application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of this application, several modifications and improvements can still be made, and these all belong to the protection scope of this application. Therefore, the protection scope of the patent of this application shall be subject to the appended claims.

Claims

1. A furnace door mechanism, characterized in that, include: Furnace door; A drive shaft, the drive shaft is used to be rotatably mounted on the furnace body, and the drive shaft is connected to the furnace door; A hand crank assembly, the hand crank assembly comprising a connecting member and a manipulation handle, wherein a first end of the connecting member is fixedly connected to the driving shaft, a second end of the connecting member is rotatably connected to a first end of the manipulation handle, and the hand crank assembly can drive the driving shaft to rotate so that the furnace door is in an open state; as well as A locking member is fixedly connected to the operating handle, and the operating handle can drive the locking member to rotate to lock with the furnace door so that the furnace door remains in the open state.

2. The furnace door mechanism according to claim 1, characterized in that, The locking member is provided with a locking hook, and when the furnace door is in an open state, the locking hook is used to be hooked on the fixed shaft of the furnace body.

3. The furnace door mechanism according to claim 2, wherein, The furnace door mechanism further comprises an elastic member, a first end of the elastic member is connected to the connecting member, and a second end of the elastic member is connected to the locking hook.

4. The furnace door mechanism according to claim 3, characterized in that, A first connection portion is provided on a side of the connecting member away from the second end of the operating handle, a second connection portion is provided on a side of the locking member away from the second end of the operating handle, a first end of the elastic member is connected to the first connection portion, and a second end of the elastic member is connected to the second connection portion.

5. The furnace door mechanism according to claim 4, wherein The first connecting part is provided with a first screw, the first screw sleeve is provided with a first positioning sleeve, and the first screw presses the first positioning sleeve onto the connecting member; The second connecting portion is provided with a second screw, the second screw sleeve is provided with a second positioning sleeve, and the second screw presses the second positioning sleeve onto the locking member; The first end hook of the elastic member is arranged between the side of the first positioning sleeve facing away from the connecting member and the nut of the first screw, and the second end hook of the elastic member is arranged between the side of the second positioning sleeve facing away from the locking member and the nut of the second screw, and the position of the elastic member on the first screw is opposite to the position of the elastic member on the second screw.

6. The furnace door mechanism according to claim 1, characterized in that, The second end of the connecting member is provided with a mounting hole; the hand crank assembly further comprises a bearing, the bearing is arranged in the mounting hole, and the first end of the operating handle is arranged in the inner hole of the bearing.

7. The furnace door mechanism according to any one of claims 1 to 6, characterized in that The furnace door mechanism also includes a driving member installed on the furnace body, the driving member is connected to the driving shaft, and the driving member is used to drive the driving shaft to rotate around its own axis.

8. The furnace door mechanism according to any one of claims 1 to 6, characterized in that, The furnace door mechanism further comprises a connecting rod transmission assembly, a first end of the connecting rod transmission assembly is connected to the driving shaft, and a second end of the connecting rod transmission assembly is connected to the furnace door.

9. The furnace door mechanism according to claim 8, characterized in that, The connecting rod transmission assembly includes a crank and a pull rod, the crank is fixedly connected to the driving shaft, the first end of the pull rod is hinged to the crank, and the second end of the pull rod is hinged to the furnace door.

10. A heating furnace, characterized in that, include: Furnace body; as well as The furnace door mechanism according to any one of claims 1 to 9, wherein the furnace door mechanism is mounted on the furnace body.

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