Graphite crucible clamping tool

Abstract

The utility model discloses a graphite crucible clamping tool which comprises a base, a machine frame and a clamping device, the base is provided with the machine frame capable of extending and descending, the machine frame is provided with a traction mechanism, the traction end of the traction mechanism is connected with the clamping device capable of clamping a crucible, and the clamping device is connected with the base. The clamping device further comprises a triangular claw handle and clamping claws with adjustable angles and lengths, the top end of the claw handle is connected with the traction end of the traction mechanism, and the left end and the right end of the bottom of the triangular claw handle are rotationally connected with two sets of clamping claws respectively. The crucible carrying device has the functions that the crucible can be carried out conveniently, workers are prevented from being scalded by high temperature on the surface of the crucible, and meanwhile the situation that a double-layer crucible cannot be carried out manually due to the fact that the weight of the double-layer crucible is too large is avoided.

Description

Technical Field

[0001] This utility model patent belongs to the technical field of graphite crucible handling equipment, and specifically relates to a graphite crucible clamping tool. Background Art

[0002] The lithium iron phosphate industry currently generally adopts a production process involving batching, dispersion, coarse grinding, fine grinding, spray drying, sintering, crushing, and packaging. This involves using a crucible to hold the lithium iron phosphate cathode material for sintering. During the sintering process, workers are required to move the rectangular graphite crucible along the outer rail as required. Typically, a single-layer graphite crucible and the material weigh over ten kilograms. If the production line is designed as a double-layer kiln, the double-layer graphite crucible and the material weigh over thirty kilograms. Furthermore, the crucible has no handles and is heated out of the furnace. This makes handling the crucible extremely difficult, increasing the workload and safety risks for workers.

[0003] Therefore, the utility model designs a graphite crucible clamping tool. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a graphite crucible clamping tool, which can facilitate the removal of the crucible and avoid the high temperature on the crucible surface from scalding workers. At the same time, it also avoids the situation where the double-layer crucible is too heavy to be moved out by manpower.

[0005] In order to achieve the above technical effects, the utility model is implemented through the following technical solutions: a graphite crucible clamping tool, including a base, a frame, and a clamping device, wherein the base is equipped with an extendable and retractable frame, the frame is equipped with a traction mechanism, the traction end of the traction mechanism is connected to the clamping device that can clamp the crucible, the clamping device also includes a triangular claw handle and a clamping claw with adjustable angle and length, the top of the claw handle is connected to the traction end of the traction mechanism, and the left and right ends of the bottom of the triangular claw handle are respectively connected to two groups of clamping claws.

[0006] Preferably, universal wheels are installed on the bottom surface of the base.

[0007] Preferably, the frame is provided with an armrest.

[0008] Preferably, the traction mechanism further comprises a winch, a traction rope, and a pulley, wherein the winch and the pulley are all mounted on the frame, the front end of the traction rope is connected to the winch, and the traction end of the traction rope is connected to the top end of the claw handle.

[0009] Preferably, a handle is provided on the crossbeam of the triangular claw handle.

[0010] Preferably, the clamp is configured as two groups of claw fingers with the same structure, and the claw fingers also include short fingers and retractable long fingers. Angle limiting devices are installed in the middle of the short fingers and at the connection between the long fingers and the short fingers. Springs are provided between the front and rear adjacent long fingers and their ends are provided with claw teeth inclined upward facing each other.

[0011] Preferably, the angle limiting device further comprises a sleeve plate with adjustable length and a gear limiting structure. The sleeve plate is installed between the front and rear adjacent short fingers, and the gear limiting structure is installed at the connection between the long finger and the short finger.

[0012] Preferably, the gear limiting structure also includes a base, a gear, and a spring limiting card. The top of the long finger is provided with a base, and the base is rotatably connected to the short finger through the shaft at its top. A gear is fixedly installed at the center of the shaft, and a spring limiting card is provided in the short finger above the gear.

[0013] The beneficial effects of the utility model are

[0014] When the crucible on the external circulation line needs to be clamped and moved out, for single-layer or double-layer crucibles, the opening angle of the clamping jaws and the controllable extension of the long fingers to the corresponding length are adjusted according to the width and height of the crucible. Then, the handle is used to push the clamping jaws down along the edge of the crucible from the top of the crucible to clamp the crucible. At this time, the crucible can be easily lifted out by grabbing the handle with both hands without being burned by the high temperature on the crucible surface. When the crucible is heavy, the frame can be installed on the traction end of the traction rope. The lifting of the crucible can be controlled by turning the winch to retract and release the traction rope, so that the crucible can be clamped and transported to the designated position through the base. The height of the frame is adjustable and the bottom of the base has a movable universal wheel. As can be seen from the above, the device can facilitate the removal of the crucible, avoid the high temperature on the crucible surface from scalding workers, and also avoid the situation where the crucible is too heavy to be moved out by manpower, which greatly improves production efficiency, reduces the introduction of foreign matter, and reduces the occurrence of production safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments. Those skilled in the art can also obtain other drawings based on these drawings without making any creative efforts.

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a structural diagram of the clamping device of the utility model;

[0018] Figure 3 This is a top view of the clamping device of the utility model;

[0019] Figure 4For this utility model Figure 3 A schematic cross-sectional view of the middle part;

[0020] Figure 5 For this utility model Figure 4 Partial schematic diagram of B in the middle;

[0021] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0022] 1. Base; 2. Frame; 3. Universal wheel; 4. Handrail; 5. Claw handle; 6. Clamp; 7. Winch; 8. Traction rope; 9. Pulley; 10. Crossbeam; 11. Handle; 12. Short finger; 13. Long finger; 14. Plate; 15. Base; 16. Gear; 17. Spring limit card; 18. Claw teeth. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present invention. Example 1

[0024] like Figures 1 to 5 As shown, the prior art in this embodiment has the following problems: the inventors found that the single-layer graphite crucible in the prior art plus the material weighs more than ten kilograms. If the production line is designed as a double-layer kiln, the double-layer graphite crucible plus the material weighs more than thirty kilograms. In addition, the graphite crucible has no handle 11 and the furnace temperature is high, which makes it extremely difficult to carry the graphite crucible, increasing the workload and safety risks of workers during the handling process.

[0025] Therefore, the inventor provides a graphite crucible clamping tool, including a base 1, a frame 2, and a clamping device. The base 1 is equipped with an extendable frame 2, and the frame 2 is equipped with a traction mechanism. The traction end of the traction mechanism is connected to a clamping device that can clamp the crucible. The clamping device also includes a triangular claw handle 5 and a clamping claw 6 with adjustable angle and length. The top of the claw handle 5 is connected to the traction end of the traction mechanism, and the left and right ends of the bottom of the triangular claw handle 5 are respectively connected to two groups of clamping claws 6 that are rotatably connected.

[0026] From the above, it can be seen that the device can facilitate the removal of the crucible, avoiding the high temperature on the crucible surface from scalding workers, and also avoids the situation where the crucible is too heavy to be moved out by manpower, greatly improving production efficiency, reducing the introduction of foreign matter, and reducing the occurrence of production safety accidents.

[0027] Furthermore, universal wheels 3 are installed on the bottom surface of the base 1; this structure can facilitate users to transport the crucible.

[0028] Furthermore, a handrail 4 is provided on the frame 2; this structure can facilitate the user to control the transport direction when transporting the crucible. Example 2

[0029] like Figures 1 to 5 As shown, based on the above embodiment, the traction mechanism provided in this embodiment also includes a winch 7, a traction rope 8, and a pulley 9. The winch 7 and the pulley 9 are all installed on the frame 2. The front end of the traction rope 8 is connected to the winch 7, and the traction end of the traction rope 8 is connected to the top of the claw handle 5. This structure can control the up and down movement of the crucible by rotating the winch 7 to retract and release the traction rope 8. Example 3

[0030] like Figures 1 to 5 As shown, based on the above embodiment, the crossbeam 10 of the triangular claw handle 5 provided in this embodiment is provided with a handle 11; when clamping the crucible, this structure can push the clamping claw 6 from the top of the crucible downward to the bottom edge of the crucible through the handle 11. At this time, the crucible can be easily lifted out by only grabbing the handle 11 with both hands or raising the traction rope 8 without being burned by the high temperature on the crucible surface. Example 4

[0031] like Figures 1 to 5 As shown, based on the above embodiment, the clamping claw 6 provided in this embodiment is provided with two groups of claw fingers with the same structure, and the claw fingers also include short fingers 12 and retractable long fingers 13. An angle limiting device is installed at the middle of the short fingers 12 and at the connection between the long fingers 13 and the short fingers 12. A spring is provided between the front and rear adjacent long fingers 13 and the ends of the long fingers 13 are provided with claw teeth 18 inclined upward facing each other; this structure can control the length of the retractable long fingers 13, so as to correspondingly clamp a single-layer or double-layer crucible; the angle limiting device can also be used to adjust the distance between the front and rear adjacent short fingers 12 The opening angle can be adjusted to adapt to the width of the crucible, and the opening angle between the long fingers 13 and the short fingers 12 can also be adjusted, so as to ensure that the long fingers 13 always remain vertically downward when adjusting the opening angle of the short fingers 12. At the same time, the springs between the front and rear adjacent long fingers 13 can ensure that the crucible can be clamped stably. Because the claws 18 are arranged on the inner side of the long fingers 13, the long fingers 13 will undergo elastic deformation toward the outside of the crucible when pushed down, and will not recover until the claws are stuck on the bottom of the crucible. In order to avoid the deformation being difficult to recover after long-term use, springs are provided between the long fingers 13.

[0032] Furthermore, the angle limiting device also includes a sleeve plate 14 with adjustable length and a gear 16 limiting structure. The sleeve plate 14 is installed between the front and rear adjacent short fingers 12, and the gear 16 limiting structure is installed at the connection between the long finger 13 and the short finger 12; in this structure, the opening angle between the front and rear adjacent short fingers 12 can be controlled by adjusting the length of the sleeve plate 14 to adapt to the width of the crucible, and the opening angle between the long finger 13 and the short finger 12 can also be adjusted by the gear 16 limiting structure, thereby ensuring that the long finger 13 always remains vertically downward.

[0033] Furthermore, the gear 16 limiting structure also includes a base 15, a gear 16, and a spring limiting card 17. The base 15 is provided at the top of the long finger 13, and the base 15 is rotatably connected to the short finger 12 through the shaft at its top. The gear 16 is fixedly installed at the center of the shaft, and a spring limiting card 17 is provided in the short finger 12 above the gear 16; after adjusting the opening angle between the front and rear adjacent short fingers 12, the spring limiting card 17 can be lifted to adjust the long finger 13 to a vertical downward position, and then the spring limiting card 17 can be lowered to clamp the gear 16 to limit the long finger 13.

[0034] Based on the above embodiment, the claw handle 5, the clamping jaw 6 and the frame 2 can be made of stainless steel.

[0035] The working principle of the present invention is as follows: when the crucible on the external circulation line needs to be clamped and moved out, for single-layer or double-layer crucibles, the opening angle of the clamping jaws 6 and the controllable long fingers 13 are adjusted according to the width and height of the crucible. Then, the handle 11 is used to push the clamping jaws 6 downward along the edge of the crucible from above the crucible to clamp the crucible. At this time, the crucible can be conveniently lifted out by grasping the handles with both hands without being burned by the high temperature of the crucible surface. When the crucible is heavy, the frame 2 can be installed on the traction end of the traction rope 8. The lifting of the crucible can be controlled by rotating the winch 7 to retract and release the traction rope 8, so that the crucible can be clamped and transported to the designated position through the base 1. The height of the frame 2 is adjustable, and the bottom of the base 1 has a movable universal wheel 3.

[0036] It will be apparent 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 characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0037] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A graphite crucible clamping tool, comprising a base (1), a frame (2), and a clamping device, characterized in that: The base (1) is provided with a retractable frame (2), the frame (2) is provided with a traction mechanism, the traction end of the traction mechanism is connected to a clamping device capable of clamping a crucible, the clamping device further comprising a triangular claw handle (5), a clamping claw (6) with adjustable angle and length, the top end of the claw handle (5) is connected to the traction end of the traction mechanism, and the left and right ends of the bottom of the triangular claw handle (5) are respectively rotatably connected to two sets of clamping claws (6).

2. A graphite crucible clamping tool according to claim 1, characterized in that: Universal wheels (3) are installed on the bottom surface of the base (1).

3. The graphite crucible clamping tool according to claim 1, characterized in that: The frame (2) is provided with an armrest (4).

4. The graphite crucible clamping tool according to claim 1, characterized in that: The traction mechanism further comprises a winch (7), a traction rope (8), and a pulley (9). The winch (7) and the pulley (9) are both mounted on the frame (2). The front end of the traction rope (8) is connected to the winch (7), and the traction end of the traction rope (8) is connected to the top end of the claw handle (5).

5. The graphite crucible clamping tool according to claim 1, characterized in that: A handle (11) is provided on the crossbeam (10) of the triangular claw handle (5).

6. The graphite crucible clamping tool according to claim 1, characterized in that: The clamping claw (6) is configured as two groups of claw fingers with the same structure, and the claw fingers further include short fingers (12) and retractable long fingers (13). Angle limiting devices are installed at the middle of the short fingers (12) and at the connection between the long fingers (13) and the short fingers (12). Springs are provided between the front and rear adjacent long fingers (13) and the ends of the long fingers (13) are provided with claw teeth (18) inclined upwards facing each other.

7. The graphite crucible clamping tool according to claim 6, characterized in that: The angle limiting device further comprises a sleeve plate (14) with adjustable length and a gear (16) limiting structure. The sleeve plate (14) is installed between the front and rear adjacent short fingers (12), and the gear (16) limiting structure is installed at the connection between the long finger (13) and the short finger (12).

8. The graphite crucible clamping tool according to claim 7, characterized in that: The gear (16) limiting structure further comprises a base (15), a gear (16), and a spring limiting card (17). The top of the long finger (13) is provided with a base (15), the base (15) is rotatably connected to the short finger (12) via a shaft at the top thereof, a gear (16) is fixedly mounted at the center of the shaft, and a spring limiting card (17) is provided in the short finger (12) above the gear (16).

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