Furnace bottom transmission mechanism

Abstract

The utility model discloses a furnace bottom transmission mechanism which comprises a rotary furnace platform, a driving mechanism and a supporting furnace frame, a furnace body is fixedly installed at the upper end of the supporting furnace frame, supporting mechanisms are installed at a plurality of end corners of the supporting furnace frame, the driving mechanism is installed on one side of one end corner of the supporting furnace frame, and the driving mechanism is installed on the other side of the other end corner of the supporting furnace frame. A rotary furnace platform is installed in the middle of the supporting furnace frame, the rotary furnace platform is connected with the supporting furnace frame through a plurality of supporting mechanisms, and the rotary furnace platform rotates circumferentially relative to the central axis of the supporting furnace frame. The rotary furnace platform comprises a center positioning seat, the bottom end of the center positioning seat is fixedly connected with the middle of the supporting furnace frame, and a rotary platform is rotationally connected to the outer side of the upper end of the center positioning seat. The rotary table is uniformly guided and supported, the running stability and the service life are kept, meanwhile, meshing of the chain wheel and the chain is automatically adjusted, the driving slipping condition can be avoided, the maintenance frequency is reduced, and the occupied area is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of heat treatment equipment, in particular to a furnace bottom transmission mechanism. Background Art

[0002] Metal heat treatment is a process in which a metal workpiece is placed in a certain medium and heated to a suitable temperature, and then cooled at different speeds after being kept at this temperature for a certain period of time, in order to control its performance by changing the surface or internal organizational structure of the metal material. At present, the bottom transmission mechanism of the turntable furnace equipment in the domestic heat treatment industry generally adopts a non-standard large sprocket, large chain, and high-power reducer structure.

[0003] The existing furnace bottom transmission mechanism generally occupies a large area, is difficult to install and maintain, consumes a lot of power and has high operating costs; therefore, it does not meet the existing needs. In this regard, we propose a furnace bottom transmission mechanism. Utility Model Content

[0004] The utility model aims to provide a furnace bottom transmission mechanism to solve the problems of the existing furnace bottom transmission mechanism mentioned in the above background technology, such as large floor space, difficult installation and maintenance, large power consumption and high operating cost.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a furnace bottom transmission mechanism, including a rotating furnace table, a driving mechanism and a supporting furnace frame, the upper end of the supporting furnace frame is fixedly installed with a furnace body, multiple end corners of the supporting furnace frame are installed with supporting mechanisms, one side of one end corner of the supporting furnace frame is installed with a driving mechanism, the middle part of the supporting furnace frame is installed with a rotating furnace table, the rotating furnace table and the supporting furnace frame are connected by multiple supporting mechanisms, and the rotating furnace table rotates in a circle relative to the central axis of the supporting furnace frame.

[0006] Preferably, the rotating furnace table includes a center positioning seat, the bottom end of the center positioning seat is fixedly connected to the middle of the supporting furnace frame, the outer side of the upper end of the center positioning seat is rotatably connected to a turntable, the side of the turntable is fixedly installed with a circular chain, the upper end of the turntable is inserted into the inner side of the furnace body, and the turntable is rotatably connected to the bottom end of the furnace body.

[0007] Preferably, the driving mechanism includes a connecting hinge seat, which is rotatably connected to the end angle of the supporting grate, a driving motor is fixedly installed on one side of the connecting hinge seat, and a transmission sprocket is fixedly installed on the output end of the driving motor, one end of the connecting hinge seat is rotatably connected to an adjusting screw rod, a spring is provided on the outer side of one end of the adjusting screw rod, one end of the adjusting screw rod passes through the supporting grate and the spring and is threadedly connected to a nut, and the spring is arranged between the supporting grate and the nut.

[0008] Preferably, the supporting mechanism comprises a roller bracket, the roller bracket is fixedly connected to the supporting furnace frame, a supporting roller is movably mounted on one side of the roller bracket, the roller bracket is rotatably connected to the supporting roller via a bearing, and the turntable is rollingly connected to the plurality of supporting rollers.

[0009] Preferably, the connecting hinge is rotatably connected to the adjusting screw rod and the supporting furnace frame via a pin, the transmission sprocket is meshingly connected to the annular chain, and the output end of the driving motor is transmission-connected to the turntable via the transmission sprocket and the annular chain.

[0010] Preferably, the plurality of support mechanisms are evenly distributed circumferentially relative to the central axis of the support furnace frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model drives the turntable to rotate relative to the center positioning seat through the engagement between the driving motor and the ring chain. The center positioning seat can keep the turntable from deflecting during rotation. At the same time, the side of the turntable is rollingly connected with a plurality of supporting rollers. The plurality of supporting rollers are evenly distributed around the turntable, so that the supporting rollers can roll and support the turntable under the support of the roller bracket, thereby maintaining the stability of the horizontal rotation of the turntable and avoiding tilting and shaking.

[0013] 2. The utility model has one end of the adjusting screw rod pass through the supporting furnace frame and the spring and is connected with a nut through a thread. The spring is arranged between the supporting furnace frame and the nut, so that under the elastic support of the spring, the adjusting screw rod drives the driving motor to swing and adjust in real time through the connecting hinge seat, and then the driving motor drives the transmission sprocket to always be tightly meshed with the annular chain, avoiding the occurrence of slipping when the transmission sprocket drives the annular chain, and the annular chain is fixed on the outside of the turntable in an annular shape, effectively reducing the occupied area. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a top view of the supporting furnace frame of the utility model;

[0016] Figure 3 It is a partial structural schematic diagram of the supporting furnace frame of the utility model;

[0017] Figure 4 It is a partial structural schematic diagram of the driving mechanism of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the support mechanism of the utility model;

[0019] Figure 6It is a structural schematic diagram of the rotary furnace table of the utility model.

[0020] In the figure: 1. furnace body; 2. rotating furnace table; 3. driving mechanism; 4. supporting mechanism; 5. supporting furnace frame; 6. driving motor; 7. driving sprocket; 8. spring; 9. adjusting screw rod; 10. connecting hinge seat; 11. supporting roller; 12. roller bracket; 13. turntable; 14. center positioning seat; 15. ring chain. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] The driving motor 6 (model: YS7134) mentioned in the present invention can be purchased from the market or obtained through private customization.

[0023] See also Figure 1 and Figure 5 The utility model provides an embodiment: a furnace bottom transmission mechanism, including a rotating furnace table 2, a driving mechanism 3 and a supporting furnace frame 5, the upper end of the supporting furnace frame 5 is fixedly installed with a furnace body 1, and multiple end corners of the supporting furnace frame 5 are installed with supporting mechanisms 4, and multiple supporting mechanisms 4 are evenly distributed in a circle relative to the central axis of the supporting furnace frame 5. The supporting mechanism 4 includes a roller bracket 12, and the roller bracket 12 is fixedly connected to the supporting furnace frame 5. A supporting roller 11 is movably installed on one side of the roller bracket 12. The roller bracket 12 is rotatably connected to the supporting roller 11 through a bearing, and the turntable 13 is rollingly connected to the multiple supporting rollers 11, so that the supporting rollers 11 can roll and support the turntable 13 under the support of the roller bracket 12, so as to maintain the stability of the horizontal rotation of the turntable 13 and avoid tilting and shaking.

[0024] See also Figures 1 to 4 A driving mechanism 3 is installed on one side of one of the end angles of the supporting furnace frame 5. The driving mechanism 3 includes a connecting hinge seat 10, which is rotatably connected to the end angle of the supporting furnace frame 5. A driving motor 6 is fixedly installed on one side of the connecting hinge seat 10, and a transmission sprocket 7 is fixedly installed on the output end of the driving motor 6. An adjusting screw rod 9 is rotatably connected to one end of the connecting hinge seat 10. The connecting hinge seat 10, the adjusting screw rod 9 and the supporting furnace frame 5 are all rotatably connected through a column pin. A spring 8 is provided on the outside of one end of the adjusting screw rod 9. One end of the adjusting screw rod 9 penetrates the supporting furnace frame 5 and the spring 8 and is connected with a nut by threading. The spring 8 is arranged between the supporting furnace frame 5 and the nut. Under the elastic support of the spring 8, the adjusting screw rod 9 drives the driving motor 6 to swing and adjust in real time through the connecting hinge seat 10, so that the driving motor 6 drives the transmission sprocket 7 to always be tightly meshed with the annular chain 15.

[0025] See also Figure 1 and Figure 6 A rotating furnace table 2 is installed in the middle of the supporting furnace frame 5, and the rotating furnace table 2 is connected to the supporting furnace frame 5 through multiple supporting mechanisms 4. The rotating furnace table 2 rotates in a circle relative to the central axis of the supporting furnace frame 5. The rotating furnace table 2 includes a center positioning seat 14, and the bottom end of the center positioning seat 14 is fixedly connected to the middle of the supporting furnace frame 5. The outer side of the upper end of the center positioning seat 14 is rotatably connected with a turntable 13, and an annular chain 15 is fixedly installed on the side of the turntable 13. The transmission sprocket 7 is meshed with the annular chain 15. The output end of the driving motor 6 is connected to the turntable 13 through the transmission sprocket 7 and the annular chain 15. The upper end of the turntable 13 is inserted into the inner side of the furnace body 1, and the turntable 13 is rotatably connected to the bottom end of the furnace body 1. The center positioning seat 14 can keep the turntable 13 from deflecting when it rotates.

[0026] When in use, the driving mechanism 3 is installed on the side of the supporting furnace frame 5, the power is turned on, and the driving motor 6 is started, so that the driving motor 6 drives the turntable 13 to rotate relative to the center positioning seat 14 through the engagement between the transmission sprocket 7 and the ring chain 15 under the support of the connecting hinge seat 10, and the center positioning seat 14 is fixedly connected to the middle part of the supporting furnace frame 5, so that the center positioning seat 14 can keep the turntable 13 from deflecting when rotating;

[0027] At the same time, the side of the turntable 13 is rollingly connected with a plurality of supporting rollers 11, and the supporting rollers 11 are rotationally connected with the roller bracket 12 through bearings. The plurality of supporting rollers 11 are evenly distributed circumferentially relative to the turntable 13, so that the supporting rollers 11 can roll and support the turntable 13 under the support of the roller bracket 12, so as to maintain the stability of the horizontal rotation of the turntable 13 and avoid tilting and shaking;

[0028] One end of the adjusting screw rod 9 passes through the supporting furnace frame 5 and the spring 8 and is connected with a nut through a thread. The spring 8 is arranged between the supporting furnace frame 5 and the nut, so that under the elastic support of the spring 8, the adjusting screw rod 9 drives the driving motor 6 to swing and adjust in real time through the connecting hinge seat 10, and then the driving motor 6 drives the transmission sprocket 7 to always be tightly meshed with the ring chain 15, thereby avoiding the occurrence of slippage when the transmission sprocket 7 drives the ring chain 15.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A furnace bottom transmission mechanism, comprising a rotating furnace table (2), a driving mechanism (3) and a supporting furnace frame (5), characterized in that: A furnace body (1) is fixedly mounted on the upper end of the supporting furnace frame (5), a plurality of end corners of the supporting furnace frame (5) are each mounted with a supporting mechanism (4), a driving mechanism (3) is mounted on one side of one end corner of the supporting furnace frame (5), a rotating furnace table (2) is mounted in the middle of the supporting furnace frame (5), the rotating furnace table (2) is connected to the supporting furnace frame (5) via a plurality of supporting mechanisms (4), and the rotating furnace table (2) rotates in a circle relative to the central axis of the supporting furnace frame (5).

2. A furnace bottom transmission mechanism according to claim 1, characterized in that: The rotating furnace table (2) comprises a center positioning seat (14), the bottom end of the center positioning seat (14) is fixedly connected to the middle of the supporting furnace frame (5), the outer side of the upper end of the center positioning seat (14) is rotatably connected to a turntable (13), the side of the turntable (13) is fixedly installed with a ring chain (15), the upper end of the turntable (13) is plugged into the inner side of the furnace body (1), and the turntable (13) is rotatably connected to the bottom end of the furnace body (1).

3. A furnace bottom transmission mechanism according to claim 2, characterized in that: The driving mechanism (3) comprises a connecting hinge seat (10), the connecting hinge seat (10) being rotatably connected to the end angle of the supporting furnace frame (5), a driving motor (6) being fixedly mounted on one side of the connecting hinge seat (10), a transmission sprocket (7) being fixedly mounted on the output end of the driving motor (6), an adjusting screw rod (9) being rotatably connected to one end of the connecting hinge seat (10), a spring (8) being arranged on the outer side of one end of the adjusting screw rod (9), one end of the adjusting screw rod (9) passing through the supporting furnace frame (5) and the spring (8) and being threadedly connected to a nut, the spring (8) being arranged between the supporting furnace frame (5) and the nut.

4. A furnace bottom transmission mechanism according to claim 3, characterized in that: The support mechanism (4) comprises a roller bracket (12), the roller bracket (12) being fixedly connected to the supporting furnace frame (5), a supporting roller (11) being movably mounted on one side of the roller bracket (12), the roller bracket (12) being rotatably connected to the supporting roller (11) via a bearing, and the turntable (13) being rollingly connected to the plurality of supporting rollers (11).

5. A furnace bottom transmission mechanism according to claim 3, characterized in that: The connecting hinge seat (10) is rotatably connected to the adjusting screw rod (9) and the supporting furnace frame (5) via a pin, the transmission sprocket (7) is meshingly connected to the ring chain (15), and the output end of the driving motor (6) is transmission-connected to the turntable (13) via the transmission sprocket (7) and the ring chain (15).

6. A furnace bottom transmission mechanism according to claim 1, characterized in that: The plurality of support mechanisms (4) are evenly distributed around the circumference relative to the central axis of the support furnace frame (5).

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