CN214193034U

CN214193034U - Quartz tube expander

Info

Publication number: CN214193034U
Application number: CN202022715899.9U
Authority: CN
Inventors: 何求; 耿健; 吴然红; 杨军
Original assignee: Hangzhou Dahe Thermo Magnetics Co Ltd
Current assignee: Hangzhou Dahe Thermo Magnetics Co Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-09-14
Anticipated expiration: 2030-11-20

Abstract

The utility model provides a quartz capsule expands tub device, includes the lathe bed, sets up chuck and the expander mechanism that is used for pressing from both sides tight quartz capsule both ends on the lathe bed, expander mechanism is including riding wheel and the elevating system that the graphite that is used for the support quartz capsule was made, still includes electric drive mechanism and drive mechanism, elevating system locates on the lathe bed of riding wheel below, elevating system passes through drive mechanism and is connected with electric drive mechanism, electric drive mechanism drives the riding wheel from the outside drive elevating system of lathe bed and goes up and down. The utility model discloses following beneficial effect has: (1) the influence of high temperature on the performance of the driving mechanism is avoided by arranging the external driving mechanism; (2) the pipe expanding mechanism has high height adjusting precision; (3) the movable motor is arranged to avoid the movement limitation of the pipe expanding mechanism; (4) the cooling effect of the riding wheel is ensured by arranging the cooling water tank, and the pipe expanding effect is good; (5) the automatic control has high accuracy and wide application range, and can provide pipe expansion quality guarantee for various types of quartz tubes.

Description

Quartz tube expander

Technical Field

The utility model relates to a quartz processing technology field especially relates to a quartz capsule expands tub device.

Background

The quartz glass has a series of characteristics of high hardness, high purity, low thermal expansion coefficient, electric insulation and the like, so the processing technology requirement is very strict, particularly, the precision firing pipe expanding technology is mostly the traditional manual operation, the precision firing qualification rate and efficiency are generally low, and the requirement on the skill level of operators is higher. The semi-automatic pipe expanding machine comprises a machine body and a clamping rotating mechanism arranged on the machine body, wherein a liftable pipe expanding mechanism is arranged on the machine body, a quartz pipe is clamped through the clamping rotating mechanism, the axis position of the quartz pipe is roughly adjusted, the pipe expanding mechanism slowly rises and is contacted with the bottom of the quartz pipe, the contact position is set to be a zero position, then the size height of the pipe to be expanded is reduced, a power switch of a pipe expanding device is opened, the quartz pipe rotates, the quartz pipe is softened under the heating of a welding gun, the quartz pipe is gradually expanded under the action of centrifugal force until the quartz pipe is contacted with the pipe expanding mechanism, a welding gun is moved away, the diameter of the quartz pipe is fixed. The height of the existing pipe expander is usually adjusted manually, the precision is poor, the height adjusting mechanism of the other part of electric adjustment is usually arranged on the pipe expander mechanism, the pipe expander mechanism is usually arranged on a lathe bed, the environment temperature of the quartz pipe expander is usually over 1000 ℃, the performance of the height adjusting mechanism is easily greatly influenced by high temperature, the service life is shortened, and the adjusting precision is influenced.

For example, a "quartz tube expanding device" disclosed in chinese patent literature includes a left chuck and a right chuck for holding and rotating a quartz tube, a movably disposed torch for heating the quartz tube, a riding wheel for controlling the circumference of the quartz tube and moving synchronously with the torch, and a cooling tank for cooling the riding wheel, wherein two rollers axially parallel to the riding wheel are disposed on both sides below the riding wheel, baffles for limiting the positions of the riding wheel are disposed on both end surfaces of the riding wheel, and both ends of the rollers are disposed in the baffles. The utility model discloses a riding wheel and cooling bath pass through the altitude mixture control mechanism and adjust, and its weak point is, and altitude mixture control mechanism is manual, and the regulation precision is low, and the manual work is difficult to the operation under the high temperature environment.

Disclosure of Invention

The utility model relates to an it is low to overcome prior art's quartz capsule expander altitude mixture control precision, and altitude mixture control mechanism easily receives the high temperature influence, and the poor problem of expander effect provides a quartz capsule expander device, and the altitude mixture control precision is high, avoids altitude mixture control mechanism to receive the high temperature influence, and the expander is effectual.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a quartz capsule expands tub device, includes the lathe bed, sets up chuck and the expander mechanism that is used for pressing from both sides tight quartz capsule both ends on the lathe bed, expander mechanism is including riding wheel and the elevating system that the graphite that is used for the support quartz capsule was made, still includes electric drive mechanism and drive mechanism, elevating system locates on the lathe bed of riding wheel below, elevating system passes through drive mechanism and is connected with electric drive mechanism, electric drive mechanism drives the riding wheel from the outside drive elevating system of lathe bed and goes up and down.

The utility model discloses a characteristics lie in will originally with the actuating mechanism that high elevating system together set up on the lathe bed separate externally alone, set up electric drive mechanism in the outside of keeping away from the lathe bed, through the lift of drive mechanism's transmission control elevating system to drive the riding wheel and go up and down, and electric drive mechanism is owing to keep away from the high temperature environment of lathe bed, avoided the influence of high temperature to electric drive mechanism, prevent that actuating mechanism from receiving the damage, the staff also only needs to be keeping away from the outside operation control elevating system of lathe bed, adjust the riding wheel height. The electric drive has high adjusting precision and ensures the pipe expanding effect.

Preferably, the transmission mechanism comprises a connecting rod and universal joints arranged at two ends of the connecting rod, the electric driving mechanism is movably connected with a driving motor, the output end of the driving motor is rotatably connected with one end of the connecting rod through the universal joint, the other end of the connecting rod is rotatably connected with an adjusting screw rod through the universal joint, and the adjusting screw rod is lifted through a positive and negative rotation adjusting lifting mechanism.

The driving motor rotates to drive the connecting rod to rotate positively and negatively, thereby drive the adjusting screw rod to rotate positively and negatively, thereby adjust the height of the lifting mechanism, because the length of the quartz tube is usually longer, the tube needs to be expanded sectionally, therefore, the tube expanding mechanism needs to be moved, when the tube expanding mechanism moves, the connecting rod can also move therewith, if the position of the driving motor is fixed at the moment, the movement of the tube expanding mechanism can also be limited accordingly, therefore, the position of the connecting rod can be conveniently adjusted at any time by arranging a universal joint, and meanwhile, the driving motor is movably arranged on the electric driving mechanism, so that the movement of the tube expanding mechanism is avoided being limited.

Preferably, the electric driving mechanism is provided with a first guide rail, the first guide rail is connected with a connecting plate in a sliding mode, the connecting plate is provided with a second guide rail perpendicular to the first guide rail, the second guide rail is connected with a mounting plate in a sliding mode, and the driving motor is fixed on the mounting plate.

The pipe expanding mechanism drives the driving motor at the other end to move under the transmission of the connecting rod while moving, the driving motor can move on the second guide rail together with the mounting plate, and can move on the first guide rail together with the connecting plate, and the driving motor has a wide moving range.

Preferably, the lifting mechanism comprises a plurality of four-bar mechanisms and a base, two ends of a group of opposite angles of the four-bar mechanisms are respectively connected with the riding wheel and the base, the four-bar mechanisms are linked through a connecting rod, the adjusting screw rod is in threaded connection with the connecting rod, and the base is in sliding connection with the lathe bed along the length direction of the quartz tube.

The four-bar mechanism is integrally arranged in a diamond shape, the top end and the bottom end of the diamond shape are respectively hinged with the supporting wheel and the base, a plurality of groups of four-bar mechanisms are arranged between the base and the supporting wheel, two adjacent diamond-shaped side ends are connected through a connecting rod, the adjusting screw rod rotates forwards and backwards to drive the four-bar mechanisms to stretch synchronously, the height between the base and the supporting wheel is changed, and therefore the height of the supporting wheel is adjusted.

Preferably, the base is provided with a height adjusting column, and the height adjusting column comprises two columns sleeved by threads.

Because the levelness of the pipe expanding mechanism of the lathe bed can not be ensured, the height of the pipe expanding mechanism is finely adjusted by arranging the height adjusting column, and the pipe expanding precision is ensured.

Preferably, the device further comprises a cooling water tank, the riding wheel is rotatably arranged in the cooling water tank, and the cooling water tank is arranged on the lifting mechanism.

Because the temperature of the quartz tube is extremely high during tube expansion, the quartz tube is cooled and solidified through contact with the supporting roller with lower temperature, water is stored in the cooling water tank and is used for keeping the surface temperature of the supporting roller at a lower value all the time, the phenomenon that the supporting roller is overhigh in temperature and is adhered to the quartz tube is avoided, and the supporting roller is contacted with water in the water tank to cool the surface in the rotating process.

Preferably, the driving motor is a servo motor, and the driving motor is parametrically controlled by a controller.

The degree of automation is high, and the adjustment is convenient, and the precision is high.

Therefore, the utility model discloses following beneficial effect has: (1) the influence of high temperature on the performance of the driving mechanism is avoided by arranging the external driving mechanism; (2) the pipe expanding mechanism has high height adjusting precision; (3) the movable motor is arranged to avoid the movement limitation of the pipe expanding mechanism; (4) the cooling effect of the riding wheel is ensured by arranging the cooling water tank, and the pipe expanding effect is good; (5) the automatic control has high accuracy and wide application range, and can provide pipe expansion quality guarantee for various types of quartz tubes.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the pipe expanding mechanism of the present invention.

Fig. 3 is a schematic structural view of another angle of the present invention.

In the figure: 1. the device comprises a window sash, 11, a chuck, 2, a riding wheel, 3, a lifting mechanism, 31, a height adjusting column, 32, a connecting rod, 33, a four-bar linkage mechanism, 34, a bottom plate, 4, an electric driving mechanism, 41, a driving motor, 42, a first guide rail, 43, a connecting plate, 44, a second guide rail, 45, a mounting plate, 5, a transmission mechanism, 51, a connecting rod, 52, a universal joint, 6, a cooling water tank, 7 and a quartz tube.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1 and 2, a quartz tube expanding device comprises a bed body 1, a chuck 11 and a tube expanding mechanism, wherein the chuck 11 is arranged on the bed body 1 and used for clamping two ends of a quartz tube, the chuck 11 is a three-jaw chuck, the tube expanding mechanism comprises a supporting roller 2 used for supporting the quartz tube 7, a cooling water tank 6, a lifting mechanism 3 and a welding gun (not shown in the figure), the supporting roller 2 is made of graphite, the supporting roller 2 is rotatably arranged in the cooling water tank 6, the axis of the supporting roller 2 is parallel to the axis of the quartz tube 7 and is arranged right below the quartz tube 7, the lifting mechanism 3 is arranged at the bottom of the cooling water tank 6, the bottom of the lifting mechanism 3 is slidably connected to the bed body 1, and the lifting mechanism 3 can move along the length direction of the.

As shown in fig. 2, the lifting mechanism 3 includes four-bar linkages 33, a bottom plate 34 and four height-adjusting columns 31, the four-bar linkages 33 are of a diamond structure, the end of the top corner of each four-bar linkage 33 is hinged to the bottom of the cooling water tank 6, the end of the bottom corner of each four-bar linkage 33 is hinged to the bottom plate 34, two adjacent four-bar linkages 33 along the length direction of the quartz tube 7 are linked through connecting rods 32 hinged to side corners, the lifting mechanism is provided with four connecting rods 32, screw holes are formed in the middles of the four connecting rods 32, and the four screw holes are located on the same straight line. The bottom of the bottom plate 34 is provided with a height adjusting column 31, the height adjusting column 31 comprises two columns sleeved by screw threads, and the bottom of the height adjusting column 31 is provided with a base (not shown in the figure) connected with the lathe bed 1 in a sliding way.

As shown in fig. 1 and fig. 3, the lifting device further comprises an electric driving mechanism 4 and a transmission mechanism 5, the lifting mechanism 3 is connected with the electric driving mechanism 4 through the transmission mechanism 5, and the electric driving mechanism 4 drives the lifting mechanism 3 to drive the riding wheel 2 to lift from the outside of the bed body 1. The electric driving mechanism 4 is provided with a horizontal first guide rail 42, the first guide rail 42 is connected with a connecting plate 43 in a sliding manner, the connecting plate 43 is provided with a second guide rail 44 perpendicular to the first guide rail 42, the second guide rail 44 is connected with an installation plate 45 in a sliding manner, the driving motor 41 is fixed on the installation plate 45, and the driving motor 41 is a servo motor. The electric driving mechanism 4 is further provided with a controller for controlling the driving motor 41 and the movement of the lifting mechanism 3. The transmission mechanism 5 comprises a connecting rod 51 and universal joints 52 arranged at two ends of the connecting rod 51, the output end of the driving motor 41 is rotatably connected with one end of the connecting rod 51 through the universal joint 52, the other end of the connecting rod 51 is rotatably connected with an adjusting screw 53 through the universal joint 52, and the adjusting screw 53 is in threaded connection with a screw hole on the connecting rod 32.

The tube expanding step is as follows: injecting cold water into a cooling water tank, opening a three-jaw chuck, passing a quartz tube to be expanded through the three-jaw chuck, clamping two ends of the quartz tube, roughly adjusting the axis position of the quartz tube, controlling a driving motor to rotate forward to drive a connecting rod to rotate forward, driving an adjusting screw rod to rotate forward, pushing a four-bar mechanism inwards, contracting and lifting the four-bar mechanism, slowly lifting a high-precision tube expanding mechanism, setting a contact position to be a zero position after a riding wheel contacts the bottom end of the quartz tube, then controlling the driving motor to rotate reversely and drive the four-bar mechanism to expand and descend outwards, lowering the tube expanding mechanism to reduce the size height of the tube to be expanded, opening a power switch of a tube expanding device, softening the quartz tube under the heating of a welding gun, synchronously rotating the three-jaw chuck under the driving of a rotating main shaft, gradually expanding the quartz tube under the action of centrifugal force, removing the welding gun after contacting the surface of the riding wheel, and rotating the riding wheel under the driving of the quartz tube, and the quartz tube is condensed, and the riding wheel is cooled by contacting with cold water. After the partial pipe expanding is finished, the pipe expanding mechanism is moved, and the pipe expanding of the whole quartz pipe is finished. In the process of moving the pipe expanding mechanism, the pipe expanding mechanism drives the adjusting screw rod, the connecting rod and the driving motor to move, the driving motor can move in the horizontal direction and the vertical direction, the moving and the lifting of the pipe expanding mechanism can not be limited, and meanwhile, the driving motor and the controller are far away from the high-temperature environment of the lathe bed, so that the adverse effect of high temperature on the high-temperature environment is avoided. Can set up thermal-insulated panel beating between lathe bed and electric drive mechanism in the actual production process for the high temperature environment of isolated lathe bed, and set up the through-hole that supplies the connecting rod to pass through on thermal-insulated panel beating.

Claims

1. The utility model provides a quartz capsule expands tub device, includes lathe bed (1), sets up chuck (11) and the expander mechanism that is used for pressing from both sides tight quartz capsule both ends on lathe bed (1), expander mechanism is including riding wheel (2) and elevating system (3) that the graphite that is used for the support quartz capsule to make, characterized by still includes electric drive mechanism (4) and drive mechanism (5), elevating system (3) are located on lathe bed (1) of riding wheel (2) below, elevating system (3) are connected with electric drive mechanism (4) through drive mechanism (5), electric drive mechanism (4) drive riding wheel (2) from lathe bed (1) outside drive elevating system (3) and go up and down.

2. The quartz tube expanding device according to claim 1, wherein the transmission mechanism (5) comprises a connecting rod (51) and universal joints (52) arranged at two ends of the connecting rod (51), the electric driving mechanism (4) is movably connected with a driving motor (41), an output end of the driving motor (41) is rotatably connected with one end of the connecting rod (51) through the universal joint (52), the other end of the connecting rod (51) is rotatably connected with an adjusting screw rod (53) through the universal joint (52), and the adjusting screw rod (53) is lifted through a forward and reverse rotation adjusting lifting mechanism (3).

3. The quartz tube expanding device according to claim 2, wherein a first guide rail (42) is arranged on the electric driving mechanism (4), a connecting plate (43) is slidably connected to the first guide rail (42), a second guide rail (44) perpendicular to the first guide rail (42) is arranged on the connecting plate (43), a mounting plate (45) is slidably connected to the second guide rail (44), and the driving motor (41) is fixed on the mounting plate (45).

4. The quartz tube expanding device as claimed in claim 2, wherein the lifting mechanism (3) comprises a plurality of four-bar linkages (33) and a base, two ends of a group of opposite corners of the four-bar linkages (33) are respectively connected with the riding wheel (2) and the base, the four-bar linkages (33) are linked through a connecting rod (32), the adjusting screw rod (53) is in threaded connection with the connecting rod (32), and the base is in sliding connection with the bed body (1) along the length direction of the quartz tube.

5. The quartz tube expanding device according to claim 4, wherein a height adjusting column (31) is arranged on the base, and the height adjusting column (31) comprises two columns which are sleeved by screw threads.

6. The quartz tube expanding device according to claim 1, further comprising a cooling water tank (6), wherein the supporting roller (2) is rotatably disposed in the cooling water tank (6), and the cooling water tank (6) is disposed on the lifting mechanism (3).

7. The quartz tube expanding device according to any one of claims 2 to 5, wherein the driving motor (41) is a servo motor, and the driving motor (41) is parametrically controlled by a controller.