阅读说明：本技术 一种粗玻璃管弯折成型用模具及其使用方法 (Mould for bending and forming thick glass tube and using method thereof ) 是由 李子坤 于 2021-09-03 设计创作，主要内容包括：本发明公开了一种粗玻璃管弯折成型用模具及其使用方法,属于玻璃管加工技术领域,本发明通过防变形助热件的设置,使得对玻璃管进行弯折时,可通过高温的热载体颗粒对玻璃管的弯曲处进行定向、均匀的加热,使玻璃管能受热均匀,且在对玻璃管进行弯折时,高温热载体颗粒的填充可防止玻璃管向内凹陷变形,并通过硬软限棒件的设置,使得玻璃管受热软化后,可拉动导热防挤棒使其向保温调节筒内滑动,不仅可为高温热载体颗粒提供流动空间,防止对玻璃管进行弯折时,热载体颗粒向外挤压玻璃管,导致玻璃管变形,且可提高玻璃管折弯后冷却定型的效率,还能对高温热载体中的剩余热量进行回收再利用,提高节能环保性能。(The invention discloses a mould for bending and forming a thick glass tube and a using method thereof, belonging to the technical field of glass tube processing, wherein an anti-deformation heat-assisted piece is arranged, so that when the glass tube is bent, the bent part of the glass tube can be directionally and uniformly heated by high-temperature heat carrier particles, the glass tube can be uniformly heated, and when the glass tube is bent, the glass tube can be prevented from being deformed inwards by filling the high-temperature heat carrier particles, and after the glass tube is heated and softened by arranging a hard and soft rod limiting piece, a heat-conducting anti-extrusion rod can be pulled to slide in a heat-insulation adjusting cylinder, so that a flowing space can be provided for the high-temperature heat carrier particles, the glass tube can be prevented from being deformed due to the fact that the heat carrier particles extrude the glass tube outwards when the glass tube is bent, the cooling and shaping efficiency after the glass tube is bent can be improved, and the residual heat in the high-temperature heat carrier can be recycled, the energy-saving and environment-friendly performance is improved.)

1. The utility model provides a mould is used in bending of thick glass pipe, includes assorted left half mould (101), right half mould (102), its characterized in that: the one end that elastic connection frame (103) was kept away from to left half mould (101) has seted up through-hole (104), fixedly connected with dead lever (105) on the inner wall of elastic connection frame (103) one end was kept away from to right half mould (102), the one end fixedly connected with of dead lever (105) separates heat chock (106) admittedly, fixedly connected with elastic connection frame (103) that is rather than assorted between left half mould (101) and the right half mould (102), the activity is provided with shape heat boosting spare (002) of preapring for an unfavorable turn of events, shape heat boosting spare (002) is including moving heat insulating chock (201), move one end fixedly connected with heat preservation adjusting cylinder (202) of separating heat chock (201), move heat insulating chock (201) keep away from the activity of the one end of heat preservation adjusting cylinder (202) and inlay and be equipped with a plurality of heat conduction and prevent crowded stick (203), the one end fixedly connected with of heat conduction prevents crowded stick (204) that crowded, the heat-insulation anti-extrusion rod (204) penetrates through the movable heat-insulation plug block (201) and extends into the heat-insulation adjusting cylinder (202), the heat-conduction anti-extrusion rod (203) is made of heat-conduction materials, the heat-insulation anti-extrusion rod (204) is made of heat-insulation materials, a piston plate (205) matched with the heat-insulation adjusting cylinder is arranged in the heat-insulation adjusting cylinder (202), the piston plate (205) is in sliding connection with the heat-insulation adjusting cylinder (202), one end, far away from the heat-conduction anti-extrusion rod (203), of the heat-insulation anti-extrusion rod (204) is fixedly connected with the piston plate (205) through a linkage rod (206), and the heat-conduction anti-extrusion rod (203) and the heat-insulation anti-extrusion rod (204) are both in sliding connection with the movable heat-insulation plug block (201);

one side of the movable heat insulation stopper block (201) far away from the heat preservation adjusting cylinder (202) is provided with a plurality of hard and soft rod limiting pieces (003), the hard and soft rod limiting pieces (003) and the heat conduction anti-extrusion rods (203) are equal in number and correspond one to one, each hard and soft rod limiting piece (003) comprises a heat insulation storage box (301), a hard and soft sliding body (302), a heat insulation inner cylinder (303), a heat insulation outer cylinder (304), a joint adjusting plate (305) and an elastic air bag (306), the heat insulation storage box (301) is fixedly connected with the movable heat insulation stopper block (201), the heat insulation storage box (301) is filled with the hard and soft sliding body (302), the hard and soft sliding body (302) is made of paraffin, the heat conduction anti-extrusion rods (203) penetrate through the corresponding heat insulation storage box (301) and are connected with the heat conduction anti-extrusion rods in a sliding sealing manner, the heat conduction anti-extrusion rods (203) are slidably sleeved with the heat insulation inner cylinders (303) matched with the heat conduction rods, the outer wall of thermal-insulated inner tube (303) goes up the slip cover and is equipped with thermal-insulated urceolus (304) of assorted with it, thermal-insulated inner tube (303), thermal-insulated urceolus (304) all set up in hard solid soft gliding mass (302), the equal fixedly connected with in top of thermal-insulated inner tube (303), thermal-insulated urceolus (304) allies oneself with transfers board (305), two fixedly connected with elasticity gasbag (306) between allies oneself with transfers board (305).

2. The mold for bending and molding a thick glass tube according to claim 1, wherein: the heat insulation storage box (301), the heat insulation inner cylinder (303) and the heat insulation outer cylinder (304) are all made of heat insulation materials, air is filled in the elastic air bag (306), and the elastic air bag (306) is made of high-temperature-resistant elastic materials.

3. The mold for bending and molding a thick glass tube according to claim 1, wherein: keep warm and adjust a section of thick bamboo (202) and keep away from and run through on the outer wall of moving thermal-insulated chock (201) one end and be provided with solid fixed cylinder (207), gu fixed cylinder (207) and keep warm and adjust a section of thick bamboo (202) fixed connection, gu it has regulation pole (209) to run through in fixed cylinder (207), gu fixed cylinder (207) and regulation pole (209) sliding connection, and the one end and piston plate (205) fixed connection of regulation pole (209).

4. The mold for bending and molding a thick glass tube according to claim 3, wherein: the top end of the adjusting rod (209) is fixedly connected with a positioning rod (210) which is abutted against the fixed cylinder (207), the top end of the heat-preservation adjusting cylinder (202) is communicated with a feeding and discharging pipe (211), and the top end of the feeding and discharging pipe (211) is provided with a sealing cover (212) matched with the feeding and discharging pipe.

5. The mold for bending and molding a thick glass tube according to claim 4, wherein: the fixed cover is equipped with iron link (208) of U font on the outer wall of fixed section of thick bamboo (207), equal fixedly connected with left magnet piece (107) on the outer wall of both sides about left half mould (101), the both ends of iron link (208) all offset with left magnet piece (107).

6. The mold for bending and molding a thick glass tube according to claim 5, wherein: the outer walls of the upper side and the lower side of the right half mold (102) are fixedly connected with a right magnet block (108), and an iron connecting rod (109) is arranged between the left magnet block (107) and the right magnet block (108) which are positioned on the same side.

7. The method of using a mold for bending a thick glass tube according to any one of claims 1 to 6, wherein: the method comprises the following steps:

s1, taking the anti-deformation heat-assisted part (002) out of the left half mold (101), vertically placing the mold, and enabling the right half mold (102) to be positioned on the lower half mold and the left half mold (101) to be positioned on the upper half mold;

s2, unscrewing a sealing cover (212), and injecting a proper amount of normal-temperature heat carrier particles into a heat-preservation adjusting cylinder (202) through a feeding and discharging pipe (211);

s3, placing the glass tube into a mould, sleeving the glass tube on the outer side of the fixed heat insulation plug block (106), and injecting a proper amount of high-temperature heat carrier into the glass tube;

s4, inserting the anti-deformation heat-assisting piece (002) into the glass tube, and then flatly placing the mold to heat the glass by the high-temperature heat carrier;

s5, after the glass tube is softened, pulling the adjusting rod (209) outwards to enable the heat-conducting anti-extrusion rod (203) to slide into the heat-preservation adjusting cylinder (202), and then taking down the iron connecting rod (109);

and S6, bending the glass tube, and taking out the glass tube from the mold after the glass tube is cooled and shaped.

8. The method of using a mold for bending a thick glass tube according to claim 7, wherein: the heat carrier particles are prepared by mixing one or more of silicon carbide, sand and titanium diboride, and the left half mould (101), the right half mould (102), the elastic connecting frame (103), the through hole (104), the fixed heat insulation plug block (106) and the movable heat insulation plug block (201) are matched with the glass tube.

Technical Field

The invention relates to the technical field of glass tube processing, in particular to a mould for bending and forming a thick glass tube and a using method thereof.

Background

The glass tube is a type of non-metal tube, and is a glass having sodium oxide, boron oxide, and silicon dioxide as basic components. Its good performance has been recognized by all the world, compared with general glass, it has no toxic side effect, its mechanical property, thermal stability, water-resisting, alkali-resisting and acid-resisting properties are greatly raised, and can be extensively used in various fields of chemical industry, spaceflight, military affairs, family and hospital, etc., and possesses good popularization value and social benefit.

The glass tube can be generally divided into a common glass tube, a chemical glass tube, a neutral glass tube and a high borosilicate glass tube. In some cases, it is necessary to use a bent glass tube, and therefore, it is necessary to bend the glass tube.

Among the prior art, to the bending of glass pipe, adopt modes such as flame heating more, heat the curved part of glass pipe in the outside of glass pipe, make the glass pipe be heated and soften, then buckle the glass pipe, not only make the glass pipe be heated inhomogeneous easily, and when buckling the glass pipe, especially correspond the great thick glass pipe of pipe diameter, because the inside cavity form that is of glass pipe, lead to the inside sunken deformation of glass pipe easily. Therefore, we propose a mould for bending and forming a thick glass tube and a using method thereof.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a mould for bending and forming a thick glass tube and a using method thereof, the mould can be used for directionally and uniformly heating the bent part of the glass tube by high-temperature heat carrier particles when the glass tube is bent by arranging an anti-deformation heat-assisted piece so that the glass tube can be uniformly heated, and the glass tube can be prevented from being inwards sunken and deformed by filling the high-temperature heat carrier particles when the glass tube is bent, and the heat-conducting anti-extrusion rod can be pulled to slide into a heat-insulating adjusting cylinder after the glass tube is heated and softened by arranging a hard and soft rod limiting piece so as to provide a flowing space for the high-temperature heat carrier particles, prevent the glass tube from being outwards extruded by the heat carrier particles when the glass tube is bent, so that the glass tube is deformed, and improve the cooling and shaping efficiency of the glass tube after being bent, the residual heat in the high-temperature heat carrier can be recycled, and the energy-saving and environment-friendly performance is improved.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A mould for bending and forming a thick glass tube comprises a left half mould and a right half mould which are matched, wherein one end of the left half mould, which is far away from an elastic connecting frame, is provided with a through hole, the right half mould is far away from the inner wall of one end of the elastic connecting frame, one end of the fixing rod is fixedly connected with a solid heat-insulating plug block, the left half mould and the right half mould are fixedly connected with an elastic connecting frame which is matched with the left half mould, the left half mould is internally and movably provided with an anti-deformation heat-assisting piece, the anti-deformation heat-assisting piece comprises a movable heat-insulating plug block, one end of the movable heat-insulating plug block is fixedly connected with a heat-insulating adjusting cylinder, one end of the movable heat-insulating plug block, which is far away from the heat-insulating adjusting cylinder, is movably embedded with a plurality of heat-conducting anti-extrusion rods, one end of the heat-conducting anti-extrusion rods is fixedly connected with the heat-insulating plug block and extends into the heat-insulating adjusting cylinder, the heat-conducting anti-extrusion rods are made of heat-conducting materials, it adopts thermal insulation material to make to insulate against heat to prevent crowded stick, be provided with assorted piston plate with it in the regulation section of thick bamboo that keeps warm, piston plate and a regulation section of thick bamboo sliding connection that keeps warm, thermal insulation prevents crowded stick and keeps away from the one end that the crowded stick was prevented in the heat conduction and passes through gangbar and piston plate fixed connection, the heat conduction prevents crowded stick, thermal insulation and prevents crowded stick and all with move thermal-insulated chock sliding connection, it is provided with a plurality of hard soft stopper pieces to move one side that thermal-insulated chock kept away from the regulation section of thick bamboo that keeps warm, hard soft stopper piece and heat conduction prevent crowded stick quantity equal and one-to-one, hard soft stopper piece is including thermal-insulated storage box, hard solid soft sliding body, thermal-insulated inner tube, thermal-insulated urceolus, allies oneself with and transfers board, elasticity gasbag.

Further, thermal-insulated storage box with move thermal-insulated chock fixed connection, thermal-insulated storage box intussuseption is filled with hard solid soft smooth body, hard solid soft smooth body adopts paraffin to make, the heat conduction prevents crowded stick and runs through corresponding thermal-insulated storage box and sliding seal connects with it, and when the heat carrier granule of high temperature heated the glass pipe, the heat conduction prevents crowded stick and can be with partial heat suction conduction to hard solid soft smooth body in, makes hard solid soft smooth body be heated and softens to make hard solid soft smooth body lose restriction, the fixed action of preventing crowded stick to the heat conduction, and then make the heat conduction prevent crowded stick and can slide.

Further, the heat conduction is prevented sliding sleeve and is equipped with the thermal-insulated inner tube of assorted with it on the outer wall of crowded stick, sliding sleeve is equipped with the thermal-insulated urceolus of assorted with it on the outer wall of thermal-insulated inner tube, thermal-insulated urceolus all set up in hard solid soft gliding mass, the equal fixedly connected with in top of thermal-insulated inner tube, thermal-insulated urceolus allies oneself with transfers the board, two fixedly connected with elasticity gasbag between the board is transferred in the antithetical couplet.

Furthermore, the heat insulation storage box, the heat insulation inner cylinder and the heat insulation outer cylinder are all made of heat insulation materials, the elastic air bag is filled with air, the elastic air bag is made of high temperature resistant elastic materials, and after the hard solid soft sliding body is heated and softened by the arrangement of the heat insulation inner cylinder, the heat insulation outer cylinder, the linkage adjusting plate and the elastic air bag, the elastic air bag can be heated and expanded so as to drive the two linkage adjusting plates to move reversely, further the heat insulation inner cylinder and the heat insulation outer cylinder respectively move to be abutted against the inner walls at two sides of the heat insulation storage box, so that the heat conduction anti-extrusion rod is not contacted with the hard solid soft sliding body any more, thereby the heat conduction connection between the heat conduction anti-extrusion rod and the hard solid soft sliding body is disconnected, the heat transfer between the hard solid soft sliding body and the outside of the heat insulation storage box is greatly reduced, on one hand, the heat can be prevented from being continuously guided to the hard solid soft sliding body, the waste of the heat is reduced, on the other hand, the cooling efficiency of the hard solid soft sliding body can be greatly reduced, when the bending and forming of the glass tube are finished, the hard, solid and soft sliding body is still in a soft state, and the resetting of a heat conduction anti-extrusion rod and the like can be facilitated.

Further, it is provided with a solid fixed cylinder to keep away from to run through on the outer wall of moving thermal-insulated chock one end to keep warm to adjust a section of thick bamboo, gu fixed cylinder and heat preservation adjust a section of thick bamboo fixed connection, it has the regulation pole to run through in the solid fixed cylinder, gu fixed cylinder and regulation pole sliding connection, and the one end and the piston plate fixed connection of adjusting the pole, through the setting of gu fixed cylinder for the accessible is held and is removed solid fixed cylinder to preapring for shape heat-assisted spare of preapring for be convenient for to preapring for the shape heat-assisted spare of preapring for remove, through the setting of adjusting the pole, make the accessible pulling adjust the pole and drive all heat conduction and prevent that the crowded stick slides in step to heat preservation regulation section of thick bamboo, thereby be convenient for prevent the crowded stick to heat conduction and stimulate.

Furthermore, the locating lever that the top fixedly connected with of adjusting the pole offsets with a fixed section of thick bamboo, the top intercommunication that a section of thick bamboo was adjusted in the heat preservation is provided with the business turn over pipe, the top of business turn over pipe is provided with assorted sealed lid with it, through the setting of business turn over pipe, sealed lid for twist off sealed lid, accessible business turn over pipe injects the heat carrier granule of normal atmospheric temperature into a section of thick bamboo in adjusting in the heat preservation, and then can be favorable to the recovery to waste heat in the high temperature heat carrier granule.

Further, the fixed iron link that is equipped with the U font of fixing on the outer wall of a fixed section of thick bamboo, equal fixedly connected with left magnet piece on the outer wall of both sides about the half module of a left side, the both ends of iron link all offset with left magnet piece, and the magnetic attraction between iron link, the left magnet piece can play a fixed action, prevents to prevent that the shape helps heat piece to take place to slide at the in-process of buckling to the glass pipe.

Further, equal fixedly connected with right magnet piece on the outer wall of both sides about the right half mould, lie in and be provided with the iron connective bar between left magnet piece, the right magnet piece with one side, through the setting of left magnet piece, right magnet piece, iron connective bar, the iron connective bar can play a supporting role, when preventing to put the mould vertically, the mould takes place to warp.

A use method of a mould for bending and forming a thick glass tube comprises the following steps:

s1, taking the anti-deformation heat-assisted part out of the left half mould, vertically placing the mould, and enabling the right half mould to be positioned at the lower part and the left half mould to be positioned at the upper part;

s2, unscrewing a sealing cover, and injecting a proper amount of normal-temperature heat carrier particles into a heat-preservation adjusting cylinder through a feeding and discharging pipe;

s3, placing the glass tube into a mould, sleeving the glass tube on the outer side of the fixed heat insulation plug block, and injecting a proper amount of high-temperature heat carrier into the glass tube;

s4, inserting the anti-deformation heat-assisting piece into the glass tube, and then flatly placing the mold to heat the glass by using a high-temperature heat carrier;

s5, after the glass tube is softened, pulling the adjusting rod outwards to enable the heat-conducting anti-extrusion rod to slide into the heat-preservation adjusting cylinder, and then taking down the iron connecting rod;

and S6, bending the glass tube, and taking out the glass tube from the mold after the glass tube is cooled and shaped.

Furthermore, the heat carrier particles are prepared by mixing one or more of silicon carbide, sand and titanium diboride, and the left half mould, the right half mould, the elastic connecting frame, the through hole, the fixed heat insulation plug block and the movable heat insulation plug block are matched with the glass tube.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through the setting of preapring for an unfavorable turn of events shape boosting piece, make when buckling to the glass pipe, the heat carrier granule of accessible high temperature is directed the bend of glass pipe, even heating, it is even to make the glass pipe can be heated, and when buckling to the glass pipe, the packing of high temperature heat carrier granule can prevent that the glass pipe is inside sunken to be out of shape, and through the setting of hard soft stopper stick spare, make the glass pipe be heated and soften the back, can pull the heat conduction and prevent that crowded stick makes it slide to the heat preservation regulation section of thick bamboo, not only can provide the space that flows for high temperature heat carrier granule, when preventing buckling to the glass pipe, the heat carrier granule outwards extrudees the glass pipe, lead to the glass pipe to warp, and can improve the efficiency that the glass pipe cooled off after bending and stereotype, can also retrieve the surplus heat in the high temperature heat carrier and recycle, improve energy-concerving and environment-protective properties.

(2) Through the arrangement of the anti-deformation heat-assisted piece, after high-temperature heat carrier particles are injected into the glass tube and the anti-deformation heat-assisted piece is inserted into the glass tube, the high-temperature heat carrier particles can directionally and uniformly heat the bent part of the glass tube, so that the glass tube can be uniformly heated, and simultaneously, the loss of heat can be reduced under the heat insulation effect of the fixed heat insulation plug block and the movable heat insulation plug block, so that the utilization rate of heat energy is improved, after the bent part of the glass tube is heated and softened, because the hard and soft sliding body loses the limitation and the fixing effect on the heat conduction anti-extrusion rod, the heat conduction anti-extrusion rod can slide into the heat preservation adjusting cylinder by pulling the adjusting rod until part of the heat conduction anti-extrusion rod slides into the heat preservation adjusting cylinder, so that a flowing space can be provided for the heat carrier particles at the bent part, so that the heat carrier particles can be prevented from outwards extruding the glass tube when the glass tube is bent, lead to the glass pipe to warp, secondly because the bending has filled the heat carrier granule, make when buckling to the glass pipe, can prevent that the glass pipe is inside sunken to warp, and because this moment partial heat conduction prevents that the crowded stick is arranged in heat preservation regulation section of thick bamboo, surplus heat in the high temperature heat carrier, can prevent under the heat conduction effect of crowded stick at the heat conduction, in being conducted the normal atmospheric temperature heat carrier in the heat preservation regulation section of thick bamboo, heat the normal atmospheric temperature heat carrier, not only can improve the efficiency that the glass pipe cooled off after bending and stereotypes, can also retrieve the surplus heat in the high temperature heat carrier and recycle, improve energy-concerving and environment-protective properties.

(3) Thermal-insulated storage box with move thermal-insulated chock fixed connection, thermal-insulated storage box intussuseption is filled with solid soft gliding mass firmly, solid soft gliding mass firmly adopts paraffin to make, the heat conduction is prevented crowded stick and is run through corresponding thermal-insulated storage box and sliding seal connects with it, when the heat carrier granule of high temperature heats the glass pipe, the heat conduction is prevented crowded stick and can be with partial heat suction conduction to solid soft gliding mass firmly, make solid soft gliding mass firmly be heated and soften, thereby make solid soft gliding mass firmly lose the restriction of preventing crowded stick, the fixed action of heat conduction, and then make the heat conduction prevent crowded stick and can slide.

(4) Through the setting of thermal-insulated inner tube, thermal-insulated urceolus, allies oneself with the transfer board, the setting of elasticity gasbag, hard solid soft gliding mass is heated and softened the back, the elasticity gasbag can be heated the inflation, thereby drive two allies oneself with the transfer board reverse movement, and then make thermal-insulated inner tube, thermal-insulated urceolus remove respectively to offset with the inner wall of thermal-insulated storage box both sides, make heat conduction prevent crowded stick no longer with hard solid soft gliding mass contact, thereby break off the heat conduction between crowded stick and the hard solid soft gliding mass of heat conduction, reduce the heat transfer between hard solid soft gliding mass and the thermal-insulated storage box outside by a wide margin, on the one hand, can prevent that the heat continues to lead to hard solid soft gliding mass, reduce thermal waste, on the other hand, can greatly reduced the cooling efficiency of hard solid soft gliding mass, when making glass tube bending shaping finish, hard solid soft gliding mass still is in the softened state, and then can be favorable to the resetting of heat conduction anti crowded stick etc..

(5) Keep warm and adjust a section of thick bamboo and keep away from and move and run through on the outer wall of thermal-insulated chock one end and be provided with a solid fixed cylinder, gu fixed cylinder and heat preservation regulation section of thick bamboo fixed connection, it has the regulation pole to run through in the solid fixed cylinder, gu fixed cylinder and regulation pole sliding connection, and the one end and the piston plate fixed connection of adjusting the pole, setting through a solid fixed cylinder, make the accessible hold by a solid fixed cylinder to remove the shape heat-assisted piece of preapring for an unfavorable turn of events, thereby be convenient for to preapring for an unfavorable turn of events shape heat-assisted piece and remove, setting through adjusting the pole, make the accessible pulling adjust the pole drive all heat conduction prevent that the extrusion stick slides in the heat preservation regulation section of thick bamboo in step, thereby be convenient for prevent the extrusion stick to heat conduction and stimulate.

(6) The locating lever that the top fixedly connected with of adjusting the pole offsets with a solid fixed cylinder, the top intercommunication of a section of thick bamboo is adjusted in the heat preservation is provided with the business turn over material pipe, and the top of business turn over material pipe is provided with assorted sealed lid with it, through the setting of business turn over material pipe, sealed lid for unscrew sealed lid, accessible business turn over material pipe injects the heat carrier granule of normal atmospheric temperature into a section of thick bamboo in the heat preservation is adjusted, and then can be favorable to the recovery to waste heat in the high temperature heat carrier granule.

(7) The fixed cover is equipped with the iron link of U font on the outer wall of a fixed section of thick bamboo, equal fixedly connected with left magnet piece on the outer wall of both sides about the half mould of a left side, and the both ends of iron link all offset with left magnet piece, and the magnetic attraction between iron link, the left magnet piece can play a fixed action, prevents to prevent the deformation and helps the heat piece to take place to slide at the in-process of buckling to the glass pipe.

(8) Equal fixedly connected with right magnet piece on the outer wall of both sides about the half right mould, lie in and be provided with the iron connective bar between left magnet piece, the right magnet piece with one side, through the setting of left magnet piece, right magnet piece, iron connective bar, the iron connective bar can play a supporting role, when preventing to put the mould vertically, the mould takes place to warp.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic front view of the deformation-preventing heat-assisting element of the present invention;

FIG. 3 is a schematic view of a cross-sectional structure of the garment at the position of the heat-insulating adjusting cylinder according to the present invention;

FIG. 4 is a schematic diagram showing the change of the shape of the heat-insulating adjusting cylinder when the adjusting lever is pulled outwards;

FIG. 5 is a schematic top sectional view of the hard and soft limiting member of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5 according to the present invention;

FIG. 7 is a schematic cross-sectional view of the heat insulation inner barrel of the present invention;

FIG. 8 is a schematic diagram showing the change of the image of the hard, solid and soft slider of the present invention when it is softened by heat;

FIG. 9 is a schematic view showing a partial pictographic operation of bending a glass tube according to the present invention;

fig. 10 is a schematic cross-sectional view at B in fig. 9 according to the present invention.

The reference numbers in the figures illustrate:

101. a left half mold; 102. a right half mold; 103. an elastic connection frame; 104. a through hole; 105. fixing the rod; 106. fixing a heat insulation plug block; 107. a left magnet block; 108. a right magnet block; 109. an iron connecting rod; 002. an anti-deformation heat-assisting piece; 201. a movable heat insulation chock; 202. a heat preservation adjusting cylinder; 203. a heat-conducting anti-extrusion rod; 204. a heat-insulating anti-extrusion rod; 205. a piston plate; 206. a linkage rod; 207. a fixed cylinder; 208. an iron connecting frame; 209. adjusting a rod; 210. positioning a rod; 211. feeding and discharging pipes; 212. a sealing cover; 003. a hard and soft rod limiting member; 301. a heat insulation storage box; 302. a hard solid soft gliding mass; 303. an inner heat insulation cylinder; 304. a heat-insulating outer cylinder; 305. a joint debugging plate; 306. an elastic air bag.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-10, a mold for bending and forming a thick glass tube comprises a left mold half 101 and a right mold half 102 which are matched, wherein a through hole 104 is formed at one end of the left mold half 101 away from an elastic connection frame 103, a fixing rod 105 is fixedly connected to an inner wall of one end of the right mold half 102 away from the elastic connection frame 103, one end of the fixing rod 105 is fixedly connected with a thermal insulation plug 106, the elastic connection frame 103 matched with the left mold half 101 and the right mold half 102 is fixedly connected between the left mold half 101 and the right mold half, a left magnet block 107 is fixedly connected to outer walls of upper and lower sides of the left mold half 101, a right magnet block 108 is fixedly connected to outer walls of upper and lower sides of the right mold half 102, an iron connection rod 109 is arranged between the left magnet block 107 and the right magnet block 108 which are positioned on the same side, and the iron connection rod 109 can play a supporting role by arranging the left magnet block 107, the right magnet block 108 and the iron connection rod 109, so as to prevent the mold from being vertically placed, the mold is deformed.

Referring to fig. 1-3, an anti-deformation heat-assisted member 002 is movably disposed in the left mold half 101, the anti-deformation heat-assisted member 002 includes a movable heat-insulating plug 201, a heat-insulating adjusting cylinder 202, a heat-conducting anti-extrusion rod 203, a heat-insulating anti-extrusion rod 204, a piston plate 205, a linkage rod 206, a fixed cylinder 207, an iron connecting frame 208, an adjusting rod 209, a positioning rod 210, a material inlet/outlet pipe 211, and a sealing cover 212, one end of the movable heat-insulating plug 201 is fixedly connected with the heat-insulating adjusting cylinder 202, one end of the movable heat-insulating plug 201 away from the heat-insulating adjusting cylinder 202 is movably embedded with a plurality of heat-conducting anti-extrusion rods 203, one end of the heat-conducting anti-extrusion rod 203 is fixedly connected with the heat-insulating anti-extrusion rod 204, the heat-insulating anti-extrusion rod 204 penetrates through the movable heat-insulating plug 201 and extends into the heat-insulating adjusting cylinder 202, the heat-conducting anti-extrusion rod 203 is made of a heat-conducting material, the heat-insulating anti-extrusion rod 204 is made of a heat-insulating material, the piston plate 205 is disposed in the heat-insulating adjusting cylinder 202, the piston plate 205 is connected with the heat preservation adjusting cylinder 202 in a sliding mode, one end, away from the heat conduction anti-extrusion rod 203, of the heat insulation anti-extrusion rod 204 is fixedly connected with the piston plate 205 through the linkage rod 206, and the heat conduction anti-extrusion rod 203 and the heat insulation anti-extrusion rod 204 are connected with the movable heat insulation plug block 201 in a sliding mode.

Referring to fig. 1-3, a fixing cylinder 207 is disposed through the outer wall of the end of the thermal insulation adjusting cylinder 202 far from the movable thermal insulation stopper 201, the fixing cylinder 207 is fixedly connected to the thermal insulation adjusting cylinder 202, an adjusting rod 209 is disposed through the fixing cylinder 207, the fixing cylinder 207 is slidably connected to the adjusting rod 209, and one end of the adjusting rod 209 is fixedly connected to the piston plate 205, the fixing cylinder 207 is disposed to allow the deformation-preventing heat-assisting element 002 to move by holding the fixing cylinder 207, thereby facilitating the movement of the deformation-preventing heat-assisting element 002, the adjusting rod 209 is disposed to allow all the thermal conduction anti-extrusion rods 203 to be driven by pulling the adjusting rod 209 to slide synchronously into the thermal insulation adjusting cylinder 202, thereby facilitating the pulling of the thermal conduction anti-extrusion rods 203, a positioning rod 210 abutting against the fixing cylinder 207 is fixedly connected to the top end of the adjusting rod 209, a feeding and discharging pipe 211 is disposed to the top end of the thermal insulation adjusting cylinder 202, the top end of the material inlet and outlet pipe 211 is provided with a sealing cover 212 matched with the material inlet and outlet pipe 211, and the sealing cover 212 is screwed off, so that normal-temperature heat carrier particles can be injected into the heat-preservation adjusting cylinder 202 through the material inlet and outlet pipe 211, and further the recovery of waste heat in the high-temperature heat carrier particles can be facilitated.

Referring to fig. 1-4, after the anti-deformation heat-assisted member 002 is disposed, high temperature heat carrier particles are injected into the glass tube and the anti-deformation heat-assisted member 002 is inserted into the glass tube, the high temperature heat carrier particles can directionally and uniformly heat the bending portion of the glass tube, so that the glass tube can be uniformly heated, and at the same time, under the heat insulation action of the fixed heat insulation plug 106 and the movable heat insulation plug 201, the loss of heat can be reduced, thereby increasing the utilization rate of heat energy, and after the bending portion of the glass tube is softened by heating, because the hard and soft sliding body 302 loses the restriction and fixing action on the heat conduction anti-extrusion rod 203, as shown in fig. 4, the heat conduction anti-extrusion rod 203 can slide into the heat preservation adjusting cylinder 202 by pulling the adjusting rod 209 until part of the heat conduction anti-extrusion rod 203 slides into the heat preservation adjusting cylinder 202, one can provide a flowing space for the heat carrier particles at the bending portion, thereby preventing the glass tube from being bent, the glass pipe is outwards extruded to the heat carrier granule, lead to the glass pipe to warp, secondly because the bending has filled the heat carrier granule, make when buckling to the glass pipe, can prevent that the glass pipe inwards caves in and warp, and because the stick 203 is prevented crowded in the heat preservation regulation section of thick bamboo 202 in partial heat conduction this moment, surplus heat in the high temperature heat carrier, can prevent under the heat conduction of crowded stick 203 in the heat conduction, in being conducted to the normal temperature heat carrier in the heat preservation regulation section of thick bamboo 202, heat the normal temperature heat carrier, not only can improve the efficiency that the glass pipe cooled off after bending and stereotyped, can also retrieve the surplus heat in the high temperature heat carrier and recycle, improve energy-concerving and environment-protective properties.

Referring to fig. 1, the outer wall of the fixing cylinder 207 is fixedly sleeved with a U-shaped iron connecting frame 208, two ends of the iron connecting frame 208 are both abutted to the left magnet block 107, and the magnetic attraction between the iron connecting frame 208 and the left magnet block 107 can play a role in fixing and preventing the deformation-preventing heat-assisting piece 002 from sliding in the process of bending the glass tube.

Referring to fig. 2 and 5-7, a plurality of hard and soft rod-limiting members 003 are disposed on a side of the movable heat-insulating plug 201 away from the heat-insulating adjusting cylinder 202, the hard and soft rod-limiting members 003 are corresponding to the heat-conducting anti-squeezing rods 203 in equal number one by one, the hard and soft rod-limiting members 003 include a heat-insulating storage box 301, a hard and soft sliding member 302, a heat-insulating inner cylinder 303, a heat-insulating outer cylinder 304, a joint adjusting plate 305, and an elastic air bag 306, the heat-insulating storage box 301 is fixedly connected to the movable heat-insulating plug 201, the heat-insulating storage box 301 is filled with a hard and soft sliding member 302, the hard and soft sliding member 302 is made of paraffin, the heat-conducting anti-squeezing rod 203 penetrates through the corresponding heat-insulating storage box 301 and is connected with the same in a sliding and sealing manner, when the glass tube is heated by high-temperature heat carrier particles, the heat-conducting anti-squeezing rod 203 can suck part of heat into the hard and soft sliding member 302, so that the hard and soft sliding member 302 is softened, thereby making the hard and soft sliding member 302 lose the limitation of the heat-conducting anti-squeezing rod 203, The fixing function, and thus the heat-conducting anti-extrusion rod 203 can slide.

Referring to fig. 5-8, the outer wall of the heat-conducting anti-extrusion rod 203 is slidably sleeved with a heat-insulating inner cylinder 303 matched with the heat-conducting anti-extrusion rod, the outer wall of the heat-insulating inner cylinder 303 is slidably sleeved with a heat-insulating outer cylinder 304 matched with the heat-insulating inner cylinder 303, the heat-insulating inner cylinder 303 and the heat-insulating outer cylinder 304 are both arranged in the hard and soft sliding body 302, the top ends of the heat-insulating inner cylinder 303 and the heat-insulating outer cylinder 304 are both fixedly connected with a coordinating plate 305, an elastic air bag 306 is fixedly connected between the two coordinating plates 305, the heat-insulating storage box 301, the heat-insulating inner cylinder 303 and the heat-insulating outer cylinder 304 are all made of heat-insulating materials, air is filled in the elastic air bag 306, the elastic air bag 306 is made of high-temperature resistant elastic materials, and through the arrangement of the heat-insulating inner cylinder 303, the heat-insulating 304, the coordinating plate 305 and the elastic air bag 306, as shown in fig. 8, after the hard and soft sliding body 302 is heated and softened, the elastic air bag 306 is heated and expanded, thereby driving the two coordinating plates 305 to move reversely, and then make thermal-insulated inner tube 303, thermal-insulated urceolus 304 move to respectively and offset with the inner wall of thermal-insulated storage box 301 both sides, make the heat conduction prevent crowded stick 203 no longer with hard solid soft gliding mass 302 contact, thereby break off the heat conduction between crowded stick 203 and the hard solid soft gliding mass 302 of heat conduction and be connected, reduce the heat transfer between hard solid soft gliding mass 302 and the thermal-insulated storage box 301 outside by a wide margin, on the one hand, can prevent the heat and continue to lead to hard solid soft gliding mass 302, reduce the waste of heat, on the other hand, can greatly reduce the cooling efficiency of hard solid soft gliding mass 302, make when the glass pipe bending shaping finishes, hard solid soft gliding mass 302 still is in the softened state, and then can be favorable to the heat conduction to prevent the restoration of crowded stick 203 etc..

Referring to fig. 1-10, a method for using a mold for bending and forming a thick glass tube includes the following steps:

s1, taking the anti-deformation heat-assisted part 002 out of the left half die 101, vertically placing the die, and enabling the right half die 102 to be positioned at the lower part and the left half die 101 to be positioned at the upper part;

s2, unscrewing a sealing cover 212, and injecting a proper amount of normal-temperature heat carrier particles into the heat-preservation adjusting cylinder 202 through a material inlet and outlet pipe 211;

s3, placing the glass tube into a mold, sleeving the glass tube on the outer side of the fixed heat insulation plug block 106, and injecting a proper amount of high-temperature heat carrier into the glass tube;

s4, inserting the anti-deformation heat-assisting piece 002 into the glass tube, and then flatly placing the mold to heat the glass by a high-temperature heat carrier;

s5, after the glass tube is softened, the adjusting rod 209 is pulled outwards to enable the heat conduction anti-extrusion rod 203 to slide into the heat preservation adjusting cylinder 202, and then the iron connecting rod 109 is taken down;

and S6, bending the glass tube, and taking out the glass tube from the mold after the glass tube is cooled and shaped.

The heat carrier particles are prepared by mixing one or more of silicon carbide, sand and titanium diboride, and the left half mould 101, the right half mould 102, the elastic connecting frame 103, the through hole 104, the fixed heat insulation plug 106 and the movable heat insulation plug 201 are matched with the glass tube.

According to the invention, through the arrangement of the anti-deformation heat-assisted part 002, when the glass tube is bent, the bent part of the glass tube can be directionally and uniformly heated through the high-temperature heat carrier particles, so that the glass tube can be uniformly heated, and when the glass tube is bent, the glass tube can be prevented from being inwards sunken and deformed by being filled with the high-temperature heat carrier particles, and through the arrangement of the hard and soft rod limiting part 003, after the glass tube is heated and softened, the heat-conducting anti-extrusion rod 203 can be pulled to slide into the heat-insulation adjusting cylinder 202, so that a flowing space can be provided for the high-temperature heat carrier particles, the glass tube is prevented from being outwards extruded by the heat carrier particles when the glass tube is bent, the glass tube is deformed, the cooling and shaping efficiency of the bent glass tube can be improved, the residual heat in the high-temperature heat carrier can be recycled, and the energy-saving and environmental-protection performances are improved.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.