Plastic refractory conveying device for repairing furnace lining of intermediate frequency furnace
By using a telescopic support frame and a screw system driven by a dual-axis motor, the problem of high difficulty and high cost in the existing technology of conveyor belt distance adjustment and control is solved, realizing flexible adjustment and appropriate tension of the conveyor belt distance, and reducing control complexity and cost.
Patent Information
- Application Number
- CN202520329153.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing plastic conveying devices cannot flexibly adjust the conveying distance, and existing solutions require the additional control of two sets of hydraulic cylinders to maintain the appropriate tension of the conveyor belt, which is difficult to control and costly.
It adopts a telescopic support frame and a screw system driven by a dual-axis motor. The telescopic adjustment of the conveyor belt is achieved through an elastic rope and sleeve structure. The distance adjustment of the conveyor belt is controlled by a single motor, avoiding dependence on two sets of hydraulic cylinders.
It enables flexible adjustment of the conveyor belt distance, simplifies the control process, reduces equipment costs, and maintains the conveyor belt in normal operation under appropriate tension.
Smart Images

Figure CN223736900U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plastic conveying device technical field, concretely relates to a plastic conveying device for middle frequency furnace lining repair. BACKGROUND
[0002] Plastic belongs to one kind of refractory material, and it is prepared from 70% to 80% granular and powdery material, 10% to 25% plastic clay binder and appropriate plasticizer, and it is mainly used in various heating furnaces, soaking furnaces, annealing furnaces, carburizing furnaces, hot blast furnaces and sintering furnaces.
[0003] The existing plastic conveying device cannot adjust the conveying distance of the conveying device, because the conveying distance of the plastic conveying device is fixed after initial installation, and when the conveying distance of the plastic needs to be changed, for example, the production process is adjusted or the distance between the feeding end and the discharging end needs to be fine-tuned, the conveying distance of the conveying device cannot be changed with the conveying distance of the plastic.
[0004] Meanwhile, the existing technology has a scheme for adjusting the conveying distance of the conveying device by using two hydraulic cylinders, the cross section of the conveyor belt is triangular, and two hydraulic cylinders are used to support one angle in the horizontal direction and one angle in the vertical direction, when the conveying distance of the conveyor belt needs to be lengthened, the hydraulic cylinder supporting one angle in the horizontal direction drives the conveyor belt to lengthen in the horizontal direction, and the hydraulic cylinder in the vertical direction drives the contraction block to contract, so that the longitudinal distance of the conveyor belt is shortened with the contraction block, so that the conveyor belt is not too tight, but the above scheme needs to use the controller to control the lengthening or contraction distance of the two hydraulic cylinders, so that the adjustment distance in the horizontal direction and the adjustment distance in the vertical direction are maintained within a certain proportion, so that the conveyor belt is not too tight and too loose, and the control difficulty is high, and the above scheme needs to use two hydraulic cylinders, so that the cost of the whole device is higher. SUMMARY
[0005] The utility model aims at the problem that the conveying distance of the conveying device needs to be controlled by the controller to control the lengthening or contraction distance of the two hydraulic cylinders, and provides a plastic conveying device for middle frequency furnace lining repair.
[0006] To achieve the above object, the utility model discloses technical scheme is: a plastic conveying device for the repair of the lining of intermediate frequency furnace, including telescopic support frame, the telescopic support frame is connected with the conveyer belt on the transmission, the conveyer belt below is equipped with double shaft motor, the double shaft motor is connected and drives the first screw rod, the first screw rod is connected with the first sleeve for driving the telescopic support frame telescopic on the screw thread, the first screw rod outer surface is wound with the elastic rope, the elastic rope is not connected with the first screw rod one end installation is connected in the conveyer belt on the pull frame.
[0007] In the above technical scheme, when the conveying distance of the conveyer belt needs to be adjusted, the telescopic support frame can be used to drive the conveyer belt to adjust the conveying distance, when the conveying distance of the conveyer belt needs to be lengthened, the telescopic support frame can drive the length in the horizontal direction of the conveyer belt to be lengthened and the length in the vertical direction to be shortened, and vice versa, the conveying distance of the conveyer belt can be shortened, the double shaft motor is used to drive the first screw rod to rotate, the first screw rod is used to drive the first sleeve to move, so that the first sleeve drives the telescopic support frame to be telescopic, and the first screw rod can drive the elastic rope to be wound and released, when the telescopic support frame is contracted, the elastic rope is wound on the first screw rod, at this time, the elastic rope drives the lower part of the pull frame and the conveyer belt to move downward, when the telescopic support frame is lengthened, the elastic rope is released by the first screw rod, and the conveyer belt is lengthened in the horizontal direction under the action of the telescopic support frame, and the lower part of the conveyer belt moves upward.
[0008] Preferably, the telescopic support frame includes two groups of support legs, a cross beam is installed between each group of support legs, and the first sleeve is connected with the cross beam.
[0009] In the above technical scheme, the double shaft motor can drive the two groups of support legs to separate from each other and approach each other, so that the telescopic support frame is telescopic, and the cross beam is used to connect each group of support legs, and the first sleeve can conveniently drive the support legs to move by pushing the cross beam.
[0010] Preferably, a bottom plate is arranged below the telescopic support frame, and the telescopic support frame is slidingly connected to the bottom plate.
[0011] In the above technical scheme, the bottom plate can limit the sliding track of the telescopic support frame to avoid deviation of the telescopic support frame during sliding.
[0012] Preferably, the pull frame and the elastic rope are connected through a connecting plate.
[0013] In the above technical scheme, the connecting plate is used to facilitate the elastic rope to drive the pull frame to move downward, and the elastic rope can ensure the stability of the pull frame when moving downward by pulling the connecting plate from all around.
[0014] Preferably, a plurality of second sleeves are mounted on the telescopic support frame, and a second screw is threadedly connected in each of the second sleeves, and the first screw and the plurality of second screws are connected through a transmission assembly.
[0015] In the above technical solution, the first screw can drive the second screw to rotate through the transmission assembly, so that the first screw and the second screw can rotate synchronously, and the plurality of second sleeves and second screws can make the supporting legs more stable when moving.
[0016] Preferably, a plurality of partition plates are arranged on the conveyor belt at intervals.
[0017] In the above technical solution, the partition plates are used to separate the furnace lining material, so as to avoid the furnace lining material from slipping on the conveyor belt during transportation.
[0018] Preferably, rubber baffle plates are arranged at the edges of the conveyor belt.
[0019] In the above technical solution, the rubber baffle plates are used to block the furnace lining material, so as to avoid the furnace lining material from falling off from both sides during transportation.
[0020] Preferably, a plurality of first transmission wheels are arranged on the telescopic support frame, the conveyor belt is mounted on the first transmission wheels, and a servo motor is arranged on the telescopic support frame and connected to and drives one of the first transmission wheels.
[0021] In the above technical solution, the servo motor is used to drive the first transmission wheel mounted on the output shaft thereof to rotate, and the first transmission wheel can drive the conveyor belt to rotate, and the other first transmission wheels can support the conveyor belt.
[0022] Preferably, a roller is mounted on the top of the inner wall of the pulling frame and abuts against the conveyor belt.
[0023] In the above technical solution, the roller can guide the conveyor belt, so as to avoid excessive wear between the pulling frame and the conveyor belt.
[0024] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0025] 1. The plastic conveying device for repairing the lining of a medium-frequency furnace can drive the first screw to rotate by using a double-shaft motor, the rotation of the first screw can drive the supporting legs to move through the first sleeve, so that the length of the telescopic support frame can be adjusted, the telescopic support frame can drive the conveyor belt to fine-tune the conveying distance, and the distance of the conveyor belt can be fine-tuned according to the change in the conveying distance.
[0026] 2、Meanwhile, the first screw rod can drive the elastic rope to be wound and released, can pull the slack conveyor belt to keep it taut when the transmission distance of the conveyor belt is shortened, and can relieve the taut degree of the conveyor belt by using the deformation of the elastic belt after the transmission distance of the conveyor belt is lengthened, and further can drive the conveyor belt to adjust the transmission distance by using a double-shaft motor, without additionally controlling the ratio of the moving distance of the conveyor belt in the vertical direction and the horizontal direction by a controller.
[0027] 3、The plastic conveying device for repairing the lining of the intermediate frequency furnace can drive the conveyor belt to be pulled down by the pulling frame, so that the conveyor belt keeps a moderate taut state, and the conveyor belt can move in the pulling frame, so that the conveyor belt normally works. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 It is a front view structural schematic diagram of the utility model.
[0029] Figure 2 It is a bottom view structural schematic diagram of the utility model without a bottom plate.
[0030] Figure 3 It is a bottom view structural schematic diagram of the first screw rod and the connecting structure thereof.
[0031] Figure 4 It is a sectional view structural schematic diagram of the pulling frame.
[0032] Figure 5 It is a side view structural schematic diagram of the telescopic support frame.
[0033] In the drawing: 1, telescopic support frame; 101, support leg; 102, crossbeam; 2, conveyor belt; 3, double-shaft motor; 4, first screw rod; 5, first sleeve; 6, elastic rope; 7, pulling frame; 8, bottom plate; 9, connecting plate; 10, transmission assembly; 11, partition plate; 12, rubber baffle; 13, first transmission wheel; 14, sliding block; 15, second sleeve; 16, second screw rod; 17, roller. DETAILED DESCRIPTION
[0034] The technical scheme of the utility model will be described clearly and completely below in combination with the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0035] Please refer to Figures 1 to 5The plastic conveying device for repairing the lining of the intermediate frequency furnace in the embodiment comprises a telescopic support frame 1, a conveying belt 2 is drivingly connected to the telescopic support frame 1, a double-shaft motor 3 is arranged below the conveying belt 2, the double-shaft motor 3 is connected with and drives a first screw rod 4, a first sleeve 5 for driving the telescopic support frame 1 to extend and retract is threadedly connected to the first screw rod 4, an elastic rope 6 is wound around the outer surface of the first screw rod 4, one end of the elastic rope 6 that is not connected to the first screw rod 4 is provided with a pulling frame 7 that is sleeved on the conveying belt 2, and the end of the first screw rod 4 that is wound with the elastic rope 6 is not provided with a thread, and the end of the first screw rod 4 that is threadedly connected with the first sleeve 5 is provided with a thread.
[0036] In the above scheme, when the conveying distance of the conveying belt 2 needs to be adjusted, the telescopic support frame 1 can be used to drive the conveying belt 2 to adjust the conveying distance, when the conveying distance of the conveying belt 2 needs to be lengthened, the telescopic support frame 1 can drive the length of the conveying belt 2 in the horizontal direction to be lengthened and the length in the vertical direction to be shortened, and vice versa, the conveying distance of the conveying belt 2 can be shortened; the double-shaft motor 3 is used to drive the first screw rod 4 to rotate, the first screw rod 4 is used to drive the first sleeve 5 to move, so that the telescopic support frame 1 is driven to extend and retract by the first sleeve 5, and meanwhile the first screw rod 4 can drive the elastic rope 6 to be wound and released, when the telescopic support frame 1 is retracted, the elastic rope 6 is wound on the first screw rod 4, at this time the elastic rope 6 drives the pulling frame 7 and the lower part of the conveying belt 2 to move downward, when the telescopic support frame 1 is lengthened, the elastic rope 6 is released by the first screw rod 4, and the conveying belt 2 is lengthened in the horizontal direction under the action of the telescopic support frame 1, and the lower part of the conveying belt 2 moves upward.
[0037] It should be noted that the conveying distance of the conveying belt 2 is limited by the length of the conveying belt 2 itself and the distance length by which the pulling frame 7 can drive the conveying belt 2 to move downward, the conveying distance of the conveying belt 2 can only be moderately adjusted, for example, the longest conveying distance of the conveying belt 2 is five meters, after the conveying belt 2 is adjusted, the conveying distance will be shortened by 20%, so that the conveying distance of the conveying belt 2 becomes four meters, the pulling frame 7 can make the conveying belt 2 move normally in the pulling frame 2 while pulling the conveying belt 2 downward, when the conveying distance of the conveying belt 2 is in the longest state, the conveying belt 2 and the elastic rope 6 are both in a relaxed state, when the conveying distance of the conveying belt 2 is gradually reduced, because the distance changed by the conveying belt 2 in the horizontal direction is smaller than the distance changed by the conveying belt 2 in the vertical direction, the conveying belt 2 will gradually be straightened in the changing process, because the elastic rope 6 has elasticity, the elastic rope 6 can relieve the deformation of the conveying belt 2 through its own deformation, so that the conveying belt 2 will not be excessively tight.
[0038] The telescopic support frame 1 in the embodiment comprises two groups of support legs 101, a cross beam 102 is installed between each group of support legs 101, the first sleeve 5 is connected with the cross beam 102, a bottom plate 8 is arranged below the telescopic support frame 1, the telescopic support frame 1 is slidingly connected to the bottom plate 8, a T-shaped sliding block 14 is installed at the bottom of the support leg 101, a T-shaped sliding groove is formed in the bottom plate 8 for the T-shaped sliding block 14 to slide, and the double-shaft motor 3 is installed on the bottom plate 8.
[0039] In the above scheme, the double-shaft motor 3 can drive the two groups of support legs 101 to separate from each other and approach each other, so as to realize the telescopic function of the telescopic support frame 1, the cross beam 102 is used to connect each group of support legs 101, and the first sleeve 5 can conveniently drive the support legs 101 to move by pushing the cross beam 102, and the T-shaped sliding block 14 can be limited in the T-shaped sliding groove, so as to avoid the support legs 101 from being separated from the bottom plate 8 under the contraction of the conveyor belt 2.
[0040] In the embodiment, a plurality of partition plates 11 are arranged on the conveyor belt 2, rubber baffles 12 are arranged at the edges of the conveyor belt 2, a plurality of first transmission wheels 13 are arranged on the telescopic support frame 1, the conveyor belt 2 is installed on the first transmission wheel 13, and a servo motor is installed on the telescopic support frame 1 and connected and drives one of the first transmission wheels 13.
[0041] In the above scheme, the partition plates 11 are used to separate the furnace lining materials, so as to avoid the furnace lining materials from slipping on the conveyor belt 2 during transportation, the rubber baffles 12 are used to block the furnace lining materials, so as to avoid the furnace lining materials from falling from both sides during transportation, and the servo motor is used to drive the first transmission wheel 13 installed on the output shaft to rotate, the first transmission wheel 13 can drive the conveyor belt 2 to rotate, and the other first transmission wheels 13 can support the conveyor belt 2.
[0042] In the embodiment, the pulling frame 7 is connected with the elastic rope 6 through the connecting plate 9, the top of the inner wall of the pulling frame 7 is provided with a roller 17, the roller 17 abuts against the conveyor belt 2, a plurality of second sleeves 15 are installed on the telescopic support frame 1, a second screw rod 16 is threadedly connected in each second sleeve 15, the first screw rod 4 and the plurality of second screw rods 16 are connected through the transmission assembly 10, the transmission assembly 10 comprises a second transmission wheel installed on the first screw rod 4, a transmission belt is sleeved on the second transmission wheel, and the two ends of the second screw rod 16 are provided with threads, and the middle part of the second screw rod 16 is not provided with threads.
[0043] In the above scheme, the rotation of the first screw rod 4 can drive the second transmission wheel installed on the outer periphery thereof to rotate, the second transmission wheel can drive the transmission belt to transmit, the transmission belt can drive the second transmission wheel installed on the second screw rod 16 to rotate, so that the first screw rod 4 and the second screw rod 16 can rotate synchronously, by arranging a plurality of second sleeves 15 and second screw rods 16, the support leg 101 can be more stable when moving, the connecting plate 9 is used for facilitating the elastic rope 6 to drive the pulling frame 7 to move downward, the elastic rope 6 pulls the connecting plate 9 from all around, so that the stability of the pulling frame 7 when moving downward is ensured, and the roller 17 can guide the conveying belt 2, so that excessive wear between the pulling frame 7 and the conveying belt 2 is avoided.
[0044] Working mode:
[0045] When it is needed to lengthen the transmission distance of the conveying belt 2, the double-shaft motor 3 is started, the double-shaft motor 3 drives the first screw rod 4 to rotate, the first screw rod 4 drives the second transmission wheel installed thereon to rotate, the second transmission wheel drives the transmission belt to move, the transmission belt drives the second transmission wheel on the second screw rod 16 to rotate, the second transmission wheel drives the second screw rod 16 to rotate synchronously with the first screw rod 4, the first screw rod 4 and the second screw rod 16 drive the first sleeve 5 and the second sleeve 15 to move respectively, the first sleeve 5 and the second sleeve 15 drive the support legs 101 to move away from each other, the support legs 101 drive the T-shaped sliding block 14 to slide in the T-shaped sliding groove, and meanwhile the first screw rod 4 drives the elastic rope 6 to release, the elastic rope 6 and the conveying belt 2 are deformed and recovered, the horizontal distance of the conveying belt 2 is lengthened, and the vertical distance of the conveying belt 2 is shortened, when the conveying distance of the conveying belt 2 is adjusted to a suitable distance, the double-shaft motor 3 is turned off.
[0046] When it is needed to shorten the transmission distance of the conveying belt 2, the double-shaft motor 3 is used to drive the support legs 101 to move close to each other, and meanwhile the first screw rod 4 drives the elastic rope 6 to be wound, and meanwhile the elastic rope 6 and the conveying belt 2 are tightened, the horizontal distance of the conveying belt 2 is shortened, and the vertical distance is lengthened.
[0047] When it is needed to convey the plastic material, the servo motor is started, the servo motor drives the first transmission wheel 13 to rotate, the first transmission wheel 13 drives the conveying belt 2 to move, the plastic material is added to the conveying belt 2, the conveying belt 2 drives the plastic material to be conveyed, and the conveying belt 2 drives the roller 17 to roll in the process of moving, so that the conveying belt 2 and the top of the pulling frame 7 are avoided from directly rubbing.
[0048] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A plasticizable delivery device for repairing a furnace lining of an intermediate frequency furnace, characterized in that The utility model provides a telescopic support frame (1) is provided with a conveying belt (2) on the telescopic support frame (1), the lower side of the conveying belt (2) is provided with a double shaft motor (3), the double shaft motor (3) is connected and is driven with first screw rod (4), the first screw rod (4) is threadedly connected with the first sleeve (5) for driving the telescopic support frame (1) to retract, the first screw rod (4) outer surface is wound with elastic rope (6), the elastic rope (6) is not connected with the first screw rod (4) one end installation is connected with the pulling frame (7) of the conveying belt (2) on the sleeve.
2. The plasticizable delivery device for repairing the lining of an intermediate frequency furnace according to claim 1, characterized in that The telescopic support frame (1) includes two groups of support legs (101), and a cross beam (102) is installed between each group of support legs (101), and the first sleeve (5) is connected with the cross beam (102).
3. The plasticizable delivery device for repairing the lining of an intermediate frequency furnace according to claim 1, characterized in that, The bottom plate (8) is arranged below the telescopic support frame (1), and the telescopic support frame (1) is slidably connected to the bottom plate (8).
4. The plasticizable delivery device for repairing the lining of an intermediate frequency furnace according to claim 1, characterized in that, The pulling frame (7) and the elastic rope (6) are connected through the connecting plate (9).
5. The plasticizable delivery device for repairing the lining of an intermediate frequency furnace according to claim 1, characterized in that, A plurality of second sleeves (15) are installed on the telescopic support frame (1), a second screw rod (16) is threadedly connected in each second sleeve (15), and the first screw rod (4) and the plurality of second screw rods (16) are connected through a transmission assembly (10).
6. The plasticizable delivery device for repairing the lining of an intermediate frequency furnace according to claim 1, characterized in that, A plurality of partition plates (11) are arranged on the conveying belt (2) at intervals.
7. The plasticizable delivery device for repairing the lining of an intermediate frequency furnace according to claim 1, characterized in that, Rubber baffle (12) is arranged at the edge of the conveying belt (2).
8. The plasticizable delivery device for repairing the lining of an intermediate frequency furnace according to claim 1, characterized in that, A plurality of first transmission wheels (13) are arranged on the telescopic support frame (1), the conveying belt (2) is installed on the first transmission wheel (13), and a servo motor is installed on the telescopic support frame (1) and connected and driven to one of the first transmission wheels (13).
9. The plasticizable delivery device for repairing the lining of an intermediate frequency furnace according to claim 1, characterized in that, The top of the inner wall of the pulling frame (7) is provided with a roller (17), and the roller (17) abuts against the conveying belt (2).