Hot rod clamping tool

Abstract

The invention discloses a hot rod clamping tool, which relates to the technical field of liquid crystal glass substrate processing and manufacturing, and mainly comprises a main frame body, a fixed chuck, a movable chuck, a hinge piece, a main handle, an auxiliary handle, a connecting rod and a spring telescopic part. The bottom end of the main frame body is connected with a fixed chuck, a movable chuck located over the fixed chuck is slidably connected into the main frame body, and V-shaped clamping grooves are formed in the adjacent end faces of the fixed chuck and the movable chuck. The outer side of the main frame body is connected with a main handle, the bottom end of the main handle is rotationally connected with an auxiliary handle, a connecting rod is rotationally connected between the hinge piece and the auxiliary handle, and the tail ends of the main handle and the auxiliary handle are rotationally connected with spring telescopic components. During operation, the auxiliary handle is held, the movable chuck is driven to slide through the connecting rod and the hinging piece and is matched with the fixed chuck to clamp or release the hot rod, and the spring telescopic component is assisted to reset. The tool can safely and stably clamp the high-temperature hot rod, reduce potential safety hazards, improve replacement efficiency and guarantee production continuity.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of liquid crystal glass substrate processing and manufacturing, and particularly relates to a hot rod clamping tool. BACKGROUND

[0002] In the overflow downdraw method production of liquid crystal glass substrate, raw materials such as silicon dioxide are converted into liquid at high temperature, and the liquid flow state of the flow material is maintained by a large number of heaters in the kiln. The rod-shaped heater is a key equipment, and the heating temperature is more than 1000 DEG C. However, after a period of use, the process requirements cannot be met due to the effects of oxidation and uneven heating, and the hot rod needs to be replaced. However, the temperature of the hot rod is extremely high when it is taken out of the furnace. Even if it is wrapped with high-temperature-resistant cotton, a large amount of heat still penetrates out, and it is difficult for personnel to directly touch and operate with hands. The conventional tool is also difficult to adapt to the characteristics of high temperature and rod shape for stable clamping, which brings great inconvenience to the hot rod replacement operation, easily causes safety hazards such as burns, and also affects the replacement efficiency and production continuity. Therefore, a special tool capable of safely and stably clamping the high-temperature hot rod is needed to solve the above-mentioned actual production problems. SUMMARY

[0003] To solve the technical problems in the background art, the present application provides a hot rod clamping tool.

[0004] The hot rod clamping tool provided by the present application comprises a main frame body, the bottom end of the main frame body is connected with a fixed chuck, and the inside is slidably connected with a movable chuck located directly above the fixed chuck, the main frame body and the movable chuck are movably connected through a hinge piece, the outside of the main frame body is connected with a main handle, the bottom end of the main handle is rotatably connected with a secondary handle, the hinge piece and the secondary handle are rotatably connected through a connecting rod, and the ends of the main handle and the secondary handle are rotatably connected with a spring telescopic part.

[0005] Further, a sliding hole is formed in the inside of the main frame body, and an avoiding hole is formed in the inside of the main handle, both the sliding hole and the avoiding hole are rectangular holes, and both are connected.

[0006] Further, one side of the movable chuck is connected with a sliding block, the sliding block slides in the sliding hole, and the connecting rod passes through the avoiding hole and the sliding hole and is connected with the hinge piece.

[0007] Further, adjacent end faces of the fixed chuck and the movable chuck are provided with clamping grooves, the clamping grooves are in the shape of "V", and the hot rod is stably clamped.

[0008] Further, the hinge piece comprises a U-shaped frame connected with one end of the connecting rod, a lower swing plate rotatably connected with the top end of the movable chuck, and an upper swing plate rotatably connected with the top end of the main frame body, and adjacent ends of the lower swing plate and the upper swing plate are rotatably connected with the U-shaped frame through a penetratingly arranged rotating shaft.

[0009] Further, the adjacent ends of the lower swing plate and the upper swing plate are provided with swing avoiding grooves to facilitate the relative rotation of the two.

[0010] Further, the main frame body and the auxiliary handle are provided with an L-shaped structure, the end of the connecting rod towards the auxiliary handle is provided with a limiting groove, and the corner of the auxiliary handle is rotationally connected in the limiting groove.

[0011] Further, the spring telescopic component comprises a sleeve rotationally connected at the end of the main handle and hollowed in the inside, and a shaft rotationally connected at the end of the auxiliary handle, the shaft is movable in the inside of the sleeve, the inside of the sleeve is provided with a spring, and the two ends of the spring are respectively abutted against the sleeve and the shaft.

[0012] Further, the end of the shaft away from the auxiliary handle extends to the inside of the sleeve and is connected with a touch pressure disc with a size matched with the inside of the sleeve, and the two ends of the spring are respectively abutted against the sleeve and the touch pressure disc.

[0013] Further, the movable chuck and the lower swing plate, the main frame body and the upper swing plate, the main handle and the auxiliary handle, the main handle and the sleeve, and the auxiliary handle and the shaft are rotationally connected through the hinge seat.

[0014] The present application has the following advantages: through the synergistic effect of the main frame body, the fixed chuck, the movable chuck, the hinge and the like, the high-temperature hot rod is stably clamped by the V-shaped clamping groove, the operator is prevented from directly contacting, the spring telescopic component is used to realize convenient clamping and releasing, the problem that the hot rod is difficult to operate due to high temperature during replacement is effectively solved, the safety hidden danger such as scalding is reduced, the hot rod replacement efficiency is improved, and the continuity of the liquid crystal glass substrate production is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the present application;

[0016] Figure 2 is a structural schematic view of the hinge and the connecting rod in the present application;

[0017] Figure 3 is a structural schematic view of the movable chuck in the present application;

[0018] Figure 4 is a half-sectional view of the present application;

[0019] Figure 5 is a structural schematic view of the present application in a use state.

[0020] In the figure: 1, main frame body; 11, sliding hole; 2, fixed clamp head; 21, clamping groove; 3, movable clamp head; 31, sliding block; 4, hinged part; 41, U-shaped frame; 42, lower swing plate; 43, upper swing plate; 44, rotating shaft; 45, swing avoiding groove; 5, main handle; 51, avoiding hole; 6, auxiliary handle; 7, connecting rod; 71, limiting groove; 8, spring telescopic part; 81, sleeve; 82, shaft; 83, touch pressure disc; 84, spring; 9, hinged seat; 10, hot stick. DETAILED DESCRIPTION

[0021] Referring to Figures 1-5 The present application provides a hot stick clamping tool, which mainly comprises a main frame body 1, a fixed clamp head 2, a movable clamp head 3, a hinged part 4, a main handle 5, an auxiliary handle 6, a connecting rod 7, a spring telescopic part 8, and a plurality of hinged seats 9, and the specific technical solutions are as follows:

[0022] The main frame body 1 is in the shape of “L”, and a sliding hole 11 is provided in the inside of the main frame body 1, which provides space for the sliding of the movable clamp head 3 and the passing of the connecting rod 7, the bottom end of the main frame body 1 is connected with the fixed clamp head 2, and the top end is rotatably connected with the movable clamp head 3 through the hinged part 4, and the outer side of the main frame body 1 is connected with the main handle 5, so that all the parts are integrated into a whole;

[0023] The fixed clamp head 2 is connected to the bottom end of the main frame body 1, and a “V”-shaped clamping groove 21 is provided on the adjacent end surface of the fixed clamp head 2 and the movable clamp head 3, which is matched with the columnar shape of the hot stick 10, and provides stable support when clamping the hot stick 10, and cooperates with the movable clamp head 3 to realize the clamping and releasing of the hot stick 10;

[0024] The movable clamp head 3 is located directly above the fixed clamp head 2, and is slidably connected in the sliding hole 11 of the main frame body 1 through a sliding block 31 connected on one side, and can slide up and down along the sliding hole 11, and the top end is connected with the hinged part 4 through a rotating connection, and is driven by the hinged part 4 to realize sliding, change the distance with the fixed clamp head 2, and complete the clamping or releasing operation;

[0025] The hinged part 4 plays a transmission role, and comprises a U-shaped frame 41, a lower swing plate 42, an upper swing plate 43, and a rotating shaft 44, one end of the U-shaped frame 41 is connected with the connecting rod 7, the bottom end of the lower swing plate 42 is rotatably connected with the top end of the movable clamp head 3 through the hinged seat 9, the top end of the upper swing plate 43 is rotatably connected with the inner side of the top end of the main frame body 1 through the hinged seat 9, the adjacent ends of the lower swing plate 42 and the upper swing plate 43 are rotatably connected in the inside of the U-shaped frame 41 through the rotating shaft 44 provided in a penetrating manner, and swing avoiding grooves 45 are provided on the adjacent ends, which facilitates the relative rotation of the two, and the hinged part 4 transmits the operating force of the auxiliary handle 6 and the connecting rod 7 to the movable clamp head 3, and converts it into the sliding action of the movable clamp head 3;

[0026] The main handle 5 is connected to the outside of the main frame 1 to provide a holding position for the operator, and an avoiding hole 51 is provided in the inside of the main handle 5, which is communicated with the sliding hole 11 of the main frame 1, and the connecting rod 7 passes through the avoiding hole 51, and the bottom end of the avoiding hole 51 is rotationally connected with the top end of the auxiliary handle 6 through the hinge seat 9, and the end is rotationally connected with the spring telescopic part 8;

[0027] One end of the connecting rod 7 is connected with the U-shaped frame 41 of the hinge part 4, and the other end extends towards the auxiliary handle 6, and a limiting groove 71 is provided in the connecting rod 7, and the corner of the auxiliary handle 6 is rotationally connected in the limiting groove 71, and the auxiliary handle 6 passes through the avoiding hole 51 of the main handle 5 and the sliding hole 11 of the main frame 1, and the auxiliary handle 6 plays a role of transmitting the operating force of the auxiliary handle 6, and converts the rotation of the auxiliary handle 6 into the sliding of the movable chuck 3;

[0028] The spring telescopic part 8 is used for helping the auxiliary handle 6 to reset in the non-clamping state, and the spring telescopic part 8 comprises a sleeve 81, a shaft 82, a pressure plate 83 and a spring 84, the top end of the sleeve 81 is rotationally connected with the end of the main handle 5 through the hinge seat 9, the bottom end of the shaft 82 is rotationally connected with the end of the auxiliary handle 6 through the hinge seat 9, the shaft 82 extends into the inside of the sleeve 81, and the shaft 82 is connected with the pressure plate 83 which is matched with the inside size of the sleeve 81, and the spring 84 is arranged in the inside of the sleeve 81, and the two ends of the spring 84 are respectively abutted with the sleeve 81 and the pressure plate 83, when the auxiliary handle 6 is operated to clamp the hot rod, the spring 84 is compressed or stretched, and after the operating force is released, the elastic force of the spring 84 can drive the auxiliary handle 6, the connecting rod 7 and the like to reset, so that the movable chuck 3 and the fixed chuck 2 are released.

[0029] When the tool clamps the hot rod 10, the operator holds the main handle 5 and the auxiliary handle 6, and applies a holding force to make the auxiliary handle 6 rotate counterclockwise around the hinge point with the main handle 5 (as shown in FIG. 6A), and by the principle of lever, the connecting rod 7 is pulled to move rightward, and at the same time, the shaft 82 is retracted into the sleeve 81 due to the upward pressure of the auxiliary handle 6, and the spring 84 is compressed (as shown in FIG. 6B); Figure 5 Figure 5 The connecting rod 7 is pulled to move rightward, so that the lower swing plate 42 is deflected clockwise and the upper swing plate 43 is deflected counterclockwise (as shown in FIG. 6C), thereby pushing the movable chuck 3 to move downward (as shown in FIG. 6D), until the movable chuck 3 and the fixed chuck 2 clamp the hot rod 10 together, at this time, the hot rod 10 is transferred, and the operator needs to hold the main handle 5 and the auxiliary handle 6 during the transfer process;

[0030] The connecting rod 7 is pulled to move rightward, so that the lower swing plate 42 is deflected clockwise and the upper swing plate 43 is deflected counterclockwise (as shown in FIG. 6C), thereby pushing the movable chuck 3 to move downward (as shown in FIG. 6D), until the movable chuck 3 and the fixed chuck 2 clamp the hot rod 10 together, at this time, the hot rod 10 is transferred, and the operator needs to hold the main handle 5 and the auxiliary handle 6 during the transfer process; Figure 5 Figure 5 The connecting rod 7 is pulled to move rightward, so that the lower swing plate 42 is deflected clockwise and the upper swing plate 43 is deflected counterclockwise (as shown in FIG. 6C), thereby pushing the movable chuck 3 to move downward (as shown in FIG. 6D), until the movable chuck 3 and the fixed chuck 2 clamp the hot rod 10 together, at this time, the hot rod 10 is transferred, and the operator needs to hold the main handle 5 and the auxiliary handle 6 during the transfer process;

[0031] ​​When the hot bar 10 is moved to the placement position, the worker releases the auxiliary handle 6, at this time, no force is applied to the auxiliary handle 6, but the compressed spring 84 will return to the original length, that is, elongation, which will push the auxiliary handle 6 in the clockwise direction, thereby pushing the connecting rod 7 to move left, so that the lower swing plate 42 is deflected counterclockwise, and the upper swing plate 43 is deflected clockwise, thereby driving the movable chuck 3 to move up, so that the hot bar 10 can be released.

[0032] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A hot-rod gripping tool characterized by, The utility model provides a kind of hot bar clamping device, including main frame (1), the bottom end of the main frame (1) is connected with fixed clamp head (2), and inside slidingly connected with the dynamic clamp head (3) located in fixed clamp head (2) directly above, the main frame (1), dynamic clamp head (3) are connected between by hinged member (4) movably, the outside of the main frame (1) is connected with main handle (5), the bottom end of the main handle (5) is rotatably connected with auxiliary handle (6), the hinged member (4) and auxiliary handle (6) are rotatably connected with connecting rod (7) between, the end of the main handle (5), auxiliary handle (6) is rotatably connected with spring telescopic component (8).

2. The heat stick gripping tool of claim 1, wherein, The inside of the main frame (1) is provided with a sliding hole (11), and the inside of the main handle (5) is provided with an avoiding hole (51), both of which are rectangular holes and are connected.

3. The heat stick gripping tool of claim 2, wherein, One side of the dynamic clamp head (3) is connected with a sliding block (31), which slides in the sliding hole (11), and the connecting rod (7) passes through the avoiding hole (51) and the sliding hole (11) and is connected with the hinged member (4).

4. The heat stick gripping tool of claim 1, wherein, The adjacent end faces of the fixed clamp head (2) and the dynamic clamp head (3) are provided with clamping grooves (21), which are V-shaped to stably clamp the hot bar.

5. The heat stick gripping tool of claim 1, wherein, The hinged member (4) includes a U-shaped frame (41) connected with one end of the connecting rod (7), a lower swing plate (42) rotatably connected with the top end of the dynamic clamp head (3), and an upper swing plate (43) rotatably connected with the top end of the main frame (1), the inside of the U-shaped frame (41) is rotatably connected with the adjacent ends of the lower swing plate (42) and the upper swing plate (43) through the throughly arranged rotating shaft (44).

6. The heat stick gripping tool of claim 5, wherein, The adjacent ends of the lower swing plate (42) and the upper swing plate (43) are provided with swing avoiding grooves (45) to facilitate relative rotation.

7. The heat stick gripping tool of claim 1, wherein, The main frame (1) and the auxiliary handle (6) are both provided with an L-shaped structure, one end of the connecting rod (7) facing the auxiliary handle (6) is provided with a limiting groove (71), and the corner of the auxiliary handle (6) is rotatably connected in the limiting groove (71).

8. The heat stick gripping tool of claim 1, wherein, The spring telescopic component (8) includes a sleeve (81) rotatably connected at the end of the main handle (5) and hollow inside, and a shaft (82) rotatably connected at the end of the auxiliary handle (6), the shaft (82) is movable in the sleeve (81), the inside of the sleeve (81) is provided with a spring (84), and the two ends of the spring (84) are respectively abutted with the sleeve (81) and the shaft (82).

9. The heat stick gripping tool of claim 8, wherein, One end of the shaft (82) away from the auxiliary handle (6) extends into the inside of the sleeve (81) and is connected with a touch pressure disc (83) with a size matching the inside size of the sleeve (81), and the two ends of the spring (84) are respectively abutted with the sleeve (81) and the touch pressure disc (83).

10. A heat stick holder tool according to any one of claims 1-9, characterized in that, The dynamic clamp head (3) and the lower swing plate (42), the main frame (1) and the upper swing plate (43), the main handle (5) and the auxiliary handle (6), the main handle (5) and the sleeve (81), and the auxiliary handle (6) and the shaft (82) are all rotatably connected through the hinged seat (9).

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