CN216890656U

CN216890656U - High-efficient rod-changing wire drawing feeding device

Info

Publication number: CN216890656U
Application number: CN202220640930.3U
Authority: CN
Inventors: 李泉涌; 李丽景
Original assignee: Henan Shenjiu Tianhang New Materials Co ltd
Current assignee: Henan Shenjiu Tianhang New Materials Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-05
Anticipated expiration: 2032-03-23

Abstract

The utility model relates to a high-efficiency rod-changing wire-drawing feeding device. Comprises a base, a rotary table, a frame, a rod feeding mechanism, a rod clamping mechanism, an aligning plate, a burner and a controller. Two sets of rod feeding mechanisms are symmetrically arranged to form two stations, namely a rod loading station for clamping a quartz rod for the rod clamping mechanism and a rod feeding station for feeding the rod downwards to melt the quartz rod, when the rod feeding mechanism of the rod feeding station feeds the rod for wire drawing, the rod feeding mechanism of the rod loading station can be used for loading the quartz rod, before the rod feeding mechanism of the rod feeding station finishes rod loading, the rod loading process is finished on the rod feeding mechanism of the rod loading station, the two stations can be interchanged through rotation of the rotary table, perfect butt joint of continuous rod loading and continuous rod feeding is realized, the rod feeding and wire drawing process of the whole equipment is basically in a continuous state, the rod feeding after rod loading is not required, the rod loading after rod feeding is not required, and the rod loading and the rod feeding are carried out simultaneously. The production efficiency is improved and the automation degree is also improved.

Description

High-efficient rod-changing wire drawing feeding device

Technical Field

The utility model relates to a high-efficiency rod-changing wire-drawing feeding device.

Background

At present, the manufacturing method of quartz fiber is mainly manufactured by a primary wire drawing method, when quartz rods are melted into quartz fiber, a device is needed to drive a plurality of quartz rods to pass through corresponding burners respectively so as to melt the quartz rods, then the quartz rods are drawn to process fine quartz fiber, and dozens of to hundreds of quartz rods are generally drawn each time, so that the time consumed during rod replacement is very long, the wire drawing is stopped in the rod replacement process, and the processing efficiency is seriously influenced.

Disclosure of Invention

The utility model aims to provide a high-efficiency rod-changing wire-drawing feeding device which is used for solving the technical problems that the existing wire-drawing feeding device consumes too long time for changing rods and has low wire-drawing efficiency.

The technical scheme of the utility model is as follows:

high-efficient rod wire drawing material feeding unit that trades includes:

a base for mounting on the stationary body;

the rotary table is arranged on the base and comprises a rotary table motor;

the automatic quartz rod clamping device comprises a rack, a base and a plurality of clamping mechanisms, wherein the rack is arranged on a rotary table and rotates relative to the base through the rotary table, the rack comprises two rectangular frame bodies which are symmetrically arranged, a rod feeding mechanism is arranged in each rectangular frame body, each rod feeding mechanism comprises a rod clamping mechanism for clamping a plurality of quartz rods and a linear motion assembly for driving the rod clamping mechanisms to move in the vertical direction, and a plurality of rod clamping grooves for vertically clamping the quartz rods are formed in the rod clamping mechanisms; the two rectangular frame bodies are provided with a rod loading station for clamping a quartz rod for the rod clamping mechanism and a rod feeding station for feeding the rod downwards to melt the quartz rod on the stroke rotating along with the rotary table;

the alignment plate is arranged right below the rod loading station of the rectangular frame body and is fixed relative to the base, and the upper surface of the alignment plate is smooth and is horizontally arranged so that the lower ends of the quartz rods can be aligned;

the burner is arranged right below the rod feeding station of the rectangular frame body and is fixed relative to the base, a plurality of flame ports which are arranged in one-to-one correspondence with the quartz rods are arranged on the burner, and the flame ports horizontally spray flame to heat the passing quartz rods;

and the controller is in control connection with the linear motion assemblies and the rotary table motor so as to control the lifting motion of each linear motion assembly and the switching of the two rectangular frames between the rod feeding station and the rod loading station.

Further, the linear motion assembly is a linear module.

Furthermore, a row of flame ports are respectively arranged on the front side surface and the rear side surface of the combustor, the two rows of flame ports are symmetrically arranged, and two rows of rod clamping grooves are correspondingly arranged on the rod clamping mechanism.

Further, the rod clamping mechanism comprises two fixed clamping plates and two movable clamping plates, the two fixed clamping plates are symmetrically arranged at intervals, the two movable clamping plates and the fixed clamping plates on the corresponding sides form a rod penetrating channel for a row of quartz rods to penetrate through, and the rod clamping grooves are formed in the side face, close to the rod penetrating channel, of the movable clamping plates and/or the fixed clamping plates.

Furthermore, the bar clamping groove is a V-shaped or arc-shaped groove and is arranged on the fixed clamping plate, and the side surface of one side, close to the bar penetrating channel, of the movable clamping plate is provided with an elastic layer.

Furthermore, an elastic rubber strip is detachably mounted on the side face of one side, close to the rod penetrating channel, of the movable clamping plate, and the elastic rubber strip forms the elastic layer.

Further, the clamping rod mechanism further comprises an upper guide plate or at least two upper guide plates arranged at intervals on one upper guide plate arranged at a certain distance above the movable clamping plate, rod penetrating guide holes are formed in the upper guide plate and correspond to the quartz rods one to guide the quartz rods, side plates are symmetrically arranged on two sides of the clamping rod mechanism, two ends of the fixed clamping plate and two ends of each upper guide plate are fixed on the side plates on two sides respectively to form an integrated structure, and the clamping rod mechanism is fixedly connected with the linear motion assembly through the side plates on one side.

Further, the clamping rod mechanism also comprises a clamping plate driving mechanism for driving the two movable clamping plates to synchronously face to and depart from the corresponding fixed clamping plates.

Furthermore, the rectangular frame body comprises an upper transverse frame above, a middle frame coaxial with the rotary table, an outer vertical frame arranged on the outer side and a lower guide plate connected between the middle frame and the lower end of the outer vertical frame, and rod penetrating guide holes are formed in the lower guide plate in one-to-one correspondence with the quartz rods to guide the quartz rods.

Furthermore, a movable guide plate is further arranged between the rod clamping mechanism and the lower guide plate, a plurality of guide limiting rods are arranged on the lower guide plate, the movable guide plate is assembled on the guide limiting rods in a sliding mode, and the upper limit position of the movable guide plate on the guide limiting rods is adjustable.

The utility model has the beneficial effects that: when the high-efficiency rod-changing wire-drawing feeding device is used, two sets of rod-feeding mechanisms are symmetrically arranged to form two stations, namely a rod-loading station for clamping a quartz rod for the rod-clamping mechanism and a rod-feeding station for feeding the rod downwards to melt the quartz rod, when the rod feeding mechanism of the rod feeding station is used for feeding and drawing the rods, the rod feeding mechanism of the rod loading station can be used for loading the quartz rods, before the rod feeding mechanism of the rod feeding station finishes rod feeding, the rod feeding mechanism of the rod loading station finishes rod loading, the exchange of two stations can be realized through the rotation of the rotary table, the perfect butt joint of continuous rod loading and continuous rod feeding is realized, the rod feeding and wire drawing process of the whole equipment is basically in a continuous state, the rod is not required to be fed after the rod loading, the rod is not required to be fed after the rod feeding, the rod loading and the rod feeding are carried out simultaneously, and the switching process is fully automatic, so that the production efficiency is improved, and the automation degree is also improved. The alignment plate is arranged so that the lower end of the quartz rod is automatically aligned when the rod is loaded.

Drawings

FIG. 1 is a front view of one embodiment of a high-efficiency rod-changing wire drawing and feeding device of the utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial perspective view of the rod clamping mechanism;

FIG. 4 is a schematic view of the working principle of the rod clamping mechanism;

FIG. 5 is a schematic structural view of the joint between the slide rod and the screw rod in FIG. 5;

FIG. 6 is a schematic cross-sectional view at C-C in FIG. 5;

FIG. 7 is a perspective view of the movable guide mechanism;

FIG. 8 is a front elevational view of the burner from a single side;

in the figure: 1-frame, 11-middle frame, 12-upper cross frame, 13-outer vertical frame, 2-base, 3-numerical control turntable, 4-linear module, 5-lower guide plate, 6-movable guide plate, 7-spring balancer, 71-hauling rope, 8-clamping bar mechanism, 81-sliding bar, 811-annular groove, 82-lead screw, 821-rotary clamping sleeve, 822-sliding block, 83-fixed nut, 84-connecting bar, 85-movable clamping plate, 851-elastic rubber strip, 86-fixed clamping plate, 861-arc groove, 87-articulated shaft, 88-transverse guide bar, 89-guide sleeve, 9-burner, 91-flame mouth, 10-guide limit bar, 101-limit nut, 20-a guide shaft, 21-an optical axis sliding sleeve, 30-an upper guide plate, 40-an alignment plate, 50-a rod feeding mechanism and a K-rod penetrating guide hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating embodiments of the utility model, are given by way of illustration only, not by way of limitation, i.e., the embodiments described are intended as a selection of the best mode contemplated for carrying out the utility model, not as a full mode. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

The utility model discloses an implementation mode of a high-efficiency rod-changing wire-drawing feeding device, which comprises the following steps: as shown in fig. 1, the high-efficiency rod-changing wire-drawing feeding device comprises a base 2 which can be fixed relative to a platform or a table top, wherein the base 2 is fixed relative to the platform through bolts or welding and the like. The rotary table is arranged on the platform, the high-precision numerical control rotary table 3 can be selected, the rotary table has the function of convenient programming control, the rotation frequency, the rotation speed, the rotation angle, the rotation direction and the like of the state can be controlled through programs, and the numerical control rotary table 3 is the prior art and is not described any more. Fixed vertical extension's frame 1 in revolving stage upper portion symmetry, frame 1 wholly is the rectangular frame structure of two symmetries, includes the middle frame 11 that extends along revolving stage axis direction, and 11 bilateral symmetries of middle frame set up the guide rail of vertical extension, and every guide rail corresponds a sharp module 4, and sharp module 4 is prior art, preferred high accuracy numerical control sharp module 4, and it includes the guide rail of high accuracy and the gliding sharp slide on the guide rail. An upper cross frame 12 is arranged at the upper part of the middle frame 11, a plurality of spring balancers 7 are arranged on the upper cross frame 12, in the embodiment, 10 spring balancers 7 are symmetrically arranged on the upper cross frame 12, and four of the spring balancers 7 at each side are arranged in a rectangular shape. Go up the outer end of crossbearer 12 and be connected with outer vertical frame 13 downwards, outer vertical frame 13 and middle frame 11 parallel arrangement, outer vertical frame 13 is connected through lower deflector 5 with the bottom of middle frame 11, sets up two rows of excellent guiding holes K of wearing along its length direction on the lower deflector 5 in order to be used for wearing to adorn quartz rod, and every row wears excellent guiding hole K quantity and has tens to hundreds, and separates the same distance each other.

As shown in fig. 1-3, a set of rod clamping mechanisms 8 and a set of upper guide plates 30 moving along with the rod clamping mechanisms 8 are respectively arranged on two linear modules 4, a set of rod feeding mechanisms 50 is formed by a set of groups formed by the rod clamping mechanisms 8 and the upper guide plates 30 and the corresponding linear modules 4, in the embodiment, two sets of rod feeding mechanisms 50 are symmetrically arranged to form two stations, when the rod feeding mechanism 50 at the first station carries out rod feeding and wire drawing, the rod feeding mechanism 50 at the other station can be used for filling quartz rods, before the rod feeding mechanism 50 at the first station finishes rod feeding, the rod feeding mechanism 50 at the other station finishes rod filling, the exchange of the two stations can be realized through the rotation of the rotary table, the perfect butt joint of continuous rod filling and continuous rod feeding is realized, the rod feeding and wire drawing processes of the whole equipment are basically in a continuous state, rods are not required to be fed after rod filling and also are not required to be refilled after rod feeding, the loading and feeding of the rod are carried out simultaneously. The rod clamping mechanism 8 is used for clamping the quartz rods and driving the quartz rods to be delivered downwards along with the linear module 4.

As shown in fig. 1 and 7, two parallel guide shafts 20 are symmetrically disposed on two sides of each set of rod feeding mechanism 50, namely, the positions close to the middle rack 11 and the outer vertical rack 13, respectively, the guide shafts 20 are polished rods, two ends of each set of rod feeding mechanism are fixed on the lower guide plate 5 and the upper horizontal rack 12, respectively, two ends of one upper guide plate 30 of each set of rod feeding mechanism 50 are slidably sleeved on the two guide shafts 20 through the optical axis sliding sleeve 21, so as to perform accurate guiding for the up-and-down movement of the rod feeding mechanism 50. As shown in fig. 1, a spring balancer 7 is further connected to the uppermost upper guide plate 30 of each rod feeding mechanism 50, that is, the lower end of a pulling rope 71 of the spring balancer 7 is fixedly connected to one end of the uppermost upper guide plate 30, which is far away from the middle frame 11, the spring balancer 7 is a conventional one, and a volute spring is provided inside the spring balancer 7, so that a certain upward pulling force can be provided to the rod feeding mechanism 50 to balance the gravity of the rod feeding mechanism 50.

As shown in fig. 3-4, the rod clamping mechanism 8 includes two fixed clamping plates 86 symmetrically arranged at intervals, a plurality of arc grooves 861 are arranged on the side surface of the fixed clamping plate 86 opposite to each other, the radian of each arc groove 861 is slightly larger than the radian of the outer peripheral surface of the quartz rod, and the number, the intervals and the positions of the arc grooves 861 are arranged in one-to-one correspondence with the rod penetrating guide holes K on the lower guide plate 5. Be provided with the movable clamp plate 85 that two symmetries set up in the interval space between two solid fixed clamp plates 86, two movable clamp plates 85 constitute a set of clamping bar mechanism 8 with the solid fixed clamp plate 86 that corresponds the side respectively, two sets of clamping bar mechanisms 8 of this embodiment altogether, be provided with elastic rubber strip 851 on two movable clamp plates 85 and the relative side of solid fixed clamp plate 86 that corresponds the side, in order to be used for compressing tightly the quartz rod in the arc recess 861 that corresponds, elastic rubber strip 851 not only can compress tightly the quartz rod in solid fixed clamp plate 86's arc recess 861, and has very big frictional resistance, so that can drive the smooth gliding lower delivery of quartz rod nothing. The two ends of the two fixed clamping plates 86 are connected with transverse guide rods 88 respectively, the two transverse guide rods 88 are symmetrically arranged in parallel, the two ends of the two movable clamping plates 85 are arranged on the two transverse guide rods 88 in a penetrating mode through holes respectively, and the two movable clamping plates 85 can slide in a reciprocating mode along the length direction of the two transverse guide rods 88. The rod clamping mechanism 8 further comprises a sliding rod 81 arranged above the middle of the two movable clamping plates 85, two ends of the sliding rod 81 respectively penetrate into the two coaxially arranged guide sleeves 89, the sliding rod 81 can make linear reciprocating motion along the axial direction of the sliding rod 81 under the guide of the two guide sleeves 89 to the sliding rod 81, and the axial direction of the sliding rod 81 extends along the length direction of the movable clamping plates 85. At least two groups of connecting rods 84 are arranged on the sliding rod 81 at intervals in the length direction, each group of connecting rods 84 comprises two symmetrically arranged connecting rods 84, one end of each connecting rod 84 is hinged to the sliding rod 81, the other end of each connecting rod 84 is hinged to the corresponding movable clamping plate 85, when the sliding rod 81 reciprocates along the axial direction of the sliding rod, each group of connecting rods 84 can drive the two movable clamping plates 85 to move along the width direction of the movable clamping plates 85 to be close to or far away from the corresponding fixed clamping plate 86, when the movable clamping plates 85 are close to the corresponding fixed clamping plates 86, the quartz rods between the movable clamping plates 85 and the corresponding fixed clamping plates 86 can be clamped, otherwise, when the movable clamping plates 85 are far away from the corresponding fixed clamping plates 86, the distance between the movable clamping plates and the fixed clamping plates is increased, and the movable clamping plates can be used for holding the quartz rods. One end of the sliding rod 81 is connected with a lead screw 82, the lead screw 82 and the sliding rod 81 are coaxially arranged, a fixing nut 83 in threaded fit with the lead screw 82 is sleeved on the lead screw 82, the fixing nut 83 is fixed relative to a fixing clamping plate 86, when the lead screw 82 is rotated, the lead screw 82 can axially move relative to the fixing nut 83, the lead screw 82 and the sliding rod 81 are axially fixed, limited and matched and circumferentially slide-fitted, so that when the lead screw 82 axially moves, the sliding rod 81 can be driven to axially move, but the sliding rod 81 cannot be driven to rotate by the rotation movement of the lead screw 82, specifically, as shown in fig. 4-6, an annular groove 811 is arranged on the outer peripheral surface of one end of the sliding rod 81, an annular rotating clamping sleeve 821 is arranged at one end of the lead screw 82, three tile-shaped finger claws are arranged at the front end of the rotating clamping sleeve 821 is provided, a cylindrical sliding block 822 is arranged on the inner peripheral surface of the finger claws, and the sliding block 822 can slide in the annular groove 811 of the sliding rod 81, thereby realizing the connection structure of circumferential sliding fit and axial fixing and limiting fit of the screw rod 82 and the sliding rod 81. During operation, can drive the lead screw 82 rotatory through artifical manual or through motor drive's mode, and then and produce axial displacement between the fixation nut 83, drive slide bar 81 axial displacement, drive each connecting rod 84 action, because horizontal guide bar 88 is to the guide effect of movable clamp plate 85 for connecting rod 84 can drive movable clamp plate 85 and remove along horizontal guide bar 88, thereby is close to or keeps away from the fixed clamp plate 86 that corresponds the side. As shown in fig. 3, a plurality of upper guide plates 30 are provided above the movable clamp plate 85 at intervals for guiding and positioning the quartz rods.

As shown in fig. 7, four parallel guide limiting rods 10 extend upward from the upper portion of the lower guide plate 5, the guide limiting rods 10 are distributed in a rectangular shape, the lower end of the guide limiting rods 10 is fixed relative to the lower guide plate 5, a section of thread is arranged on one section of the upper end of the guide limiting rods, a limiting nut 101 is screwed on the thread section, and the height of the limiting nut 101 on the guide limiting rods 10 can be adjusted by screwing the limiting nut 101. A movable guide plate 6 is further arranged above the lower guide plate 5, the movable guide plate 6 is sleeved on the four guide limiting rods 10 in a sliding mode at the same time, and the movable guide plate 6 can be guaranteed to be in a horizontal state constantly and can only reciprocate in the vertical direction under the guide of the four guide limiting rods 10. The lower surface of the limit nut 101 can stop the upper surface of the movable guide plate 6, so as to limit the maximum upper limit position of the movable guide plate 6, and the height of the maximum upper limit position of the movable guide plate 6 can be adjusted by adjusting the limit nut 101. The four corners of the movable guide 6 are respectively suspended by the pulling ropes 71 of the four spring balancers 7, thereby providing an upward elastic force to the movable guide 6, so that the movable guide 6 has a tendency to move upward at all times. Two rows of rod penetrating guide holes K are formed in the movable guide plate 6 and the lower guide plate 5 below the movable guide plate in a one-to-one correspondence mode. During operation, when the rod feeding mechanism 50 moves downwards, the lower end of the rod feeding mechanism 50 contacts the movable guide plate 6 and drives the movable guide plate 6 to synchronously move downwards, and when the rod feeding mechanism 50 moves upwards, the movable guide plate 6 automatically moves upwards under the action of the spring balancer 7 until the movable guide plate contacts the limit nut 101.

As shown in fig. 1 and 8, the burners 9 and the aligning plates 40 are respectively disposed below the two stations, that is, below the two rod feeding mechanisms 50, respectively, as shown in fig. 8, the arrangement of the flame ports 91 on one side of the burners 9 is shown, the flame ports 91 are disposed in one-to-one correspondence with the positions of the rod penetrating guide holes K above, and the flame ports 91 include two rows, which are disposed in correspondence with the two rows of rod penetrating guide holes K, respectively, and each row of flame ports 91 also has tens to hundreds. The burner 9 is provided with two rows of flame ports 91 facing to both sides, and the two rows of quartz rods pass through the corresponding flame ports 91 respectively to be melted when moving downward. The burner 9 and the alignment plate 40 are fixed relative to a fixed body such as a platform. The alignment plate 40 is a plate that is horizontally disposed and has a smooth and flat upper surface, and functions to align the lower ends of the plurality of quartz rods when the rods are loaded. The alignment plate 40 is higher than the burner 9 to prevent the lower end of the quartz rod after the rod is mounted from touching the outer shell of the burner 9 when rotated.

The high-efficiency rod-changing wire-drawing and feeding device further comprises a master controller, wherein the master controller is used for controlling the rotation of the rotary table, the lifting of the linear module 4 of the rod-feeding mechanism 50 and the like.

When the high-efficiency rod-changing wire-drawing feeding device works, as shown in fig. 1, the left side is a rod-loading station, the right side is a rod-feeding melting wire-drawing station, manual operation is performed at the rod-loading station, firstly, the rod-feeding mechanism 50 on the left side is controlled to move to the lower end, the movable clamping plate 85 is separated from the corresponding fixed clamping plate 86 through rotating the screw rod 82, then, quartz rods are inserted from top to bottom, as shown in fig. 3, the quartz rods sequentially pass through rod-penetrating guide holes K on a plurality of upper guide plates 30 of the rod-feeding mechanism 50, then pass through the arc-shaped grooves 861 on the fixed clamping plate 86, then pass through the rod-penetrating guide holes K on the movable guide plate 6 and the lower guide plate 5, finally fall on the alignment plate 40, after being aligned by the alignment plate 40, the rod-feeding mechanism 50 is controlled to move upwards until the upper ends of the quartz rods are slightly higher than the upper surface of the fixed clamping plate 86, then, the movable clamping plate 85 is moved towards the fixed clamping plate 86 through screwing the screw rod 82, the elastic rubber strips 851 are driven to extrude the quartz rods into the corresponding arc-shaped grooves 861, so that the quartz rods are clamped. And then the rotary table is controlled to rotate 180 degrees, so that the rod feeding mechanism 50 which is just filled with the rods moves to the rod feeding melting and wire drawing station on the right side, meanwhile, the rod feeding mechanism 50 which is originally on the right side rotates to the rod filling station on the left side so as to continue to fill the rods, the rod feeding mechanism 50 which is filled with the rods feeds the rods under the driving of the linear module 4, and the lower ends of the quartz rods slowly pass through the corresponding flame ports 91 and are melted by flames to draw the quartz fibers. Before the quartz fiber which works on the right side is drawn, another batch of rod loading is completed at the rod loading station on the left side, so that the wire drawing process is almost a continuous working process, and the wire drawing efficiency is greatly improved. The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.

Claims

1. High-efficient rod wire drawing material feeding unit that trades, its characterized in that includes:

a base for mounting on the stationary body;

the rotary table is arranged on the base and comprises a rotary table motor;

the burner is arranged right below the rod feeding station of the rectangular frame body and fixed relative to the base, a plurality of flame ports which correspond to the quartz rods one by one are arranged on the burner, and the flame ports horizontally spray flames to heat the passing quartz rods;

2. The high-efficiency rod-changing, wire-drawing and feeding device according to claim 1, wherein the linear motion assembly is a linear module.

3. The efficient rod-changing wire-drawing feeding device as claimed in claim 1, wherein a row of flame ports are respectively arranged on the front side surface and the rear side surface of the burner, the two rows of flame ports are symmetrically arranged, and two rows of rod-clamping grooves are correspondingly arranged on the rod-clamping mechanism.

4. A high-efficiency rod-replacing wire-drawing and feeding device as claimed in any one of claims 1 to 3, wherein the rod-clamping mechanism comprises two fixed clamping plates arranged at symmetrical intervals and two movable clamping plates arranged symmetrically between the two fixed clamping plates, a rod-penetrating channel for a row of quartz rods to penetrate through is formed between each movable clamping plate and the corresponding fixed clamping plate, and the rod-clamping grooves are formed in the side surfaces of the movable clamping plates and/or the fixed clamping plates, which are close to the rod-penetrating channel.

5. The high-efficiency rod-changing wiredrawing feeding device according to claim 4, wherein the rod-clamping groove is a V-shaped or arc-shaped groove and is arranged on the fixed clamping plate, and an elastic layer is arranged on the side surface of one side of the movable clamping plate, which is close to the rod-penetrating channel.

6. A high-efficiency rod-changing wire-drawing feeding device as claimed in claim 5, wherein an elastic rubber strip is detachably mounted on the side surface of the movable clamping plate close to the rod-passing channel, and the elastic rubber strip forms the elastic layer.

7. The high-efficiency rod-changing wiredrawing feeding device according to claim 4, wherein the rod-clamping mechanism further comprises an upper guide plate or at least two upper guide plates arranged at intervals, the upper guide plate is provided with rod-penetrating guide holes corresponding to the quartz rods one by one to guide the quartz rods, the two sides of the rod-clamping mechanism are symmetrically provided with side plates, the two ends of the fixed clamping plate and the upper guide plates are respectively fixed on the side plates at the two sides to form an integrated structure, and the rod-clamping mechanism is fixedly connected with the linear motion assembly through the side plate at one side.

8. The high-efficiency rod-changing wiredrawing feeding device according to claim 4, wherein the rod clamping mechanism further comprises a clamping plate driving mechanism for driving the two movable clamping plates to synchronously face and separate from the corresponding fixed clamping plates.

9. The efficient rod-changing wiredrawing feeding device as claimed in claim 4, wherein the rectangular frame body comprises an upper transverse frame, a middle frame coaxial with the rotary table, an outer vertical frame arranged on the outer side and a lower guide plate connected between the middle frame and the lower end of the outer vertical frame, and rod penetrating guide holes are formed in the lower guide plate in one-to-one correspondence with the quartz rods to guide the quartz rods.

10. The efficient rod-changing wire-drawing feeding device as claimed in claim 9, wherein a movable guide plate is further arranged between the rod clamping mechanism and the lower guide plate, a plurality of guide limiting rods are arranged on the lower guide plate, the movable guide plate is slidably assembled on the guide limiting rods, and the upper limit position of the movable guide plate on the guide limiting rods is adjustable.