CN211542266U

CN211542266U - Spring self-stress tightening heater of cover ring pipe sleeve

Info

Publication number: CN211542266U
Application number: CN202020025788.2U
Authority: CN
Inventors: 曹文肖; 曹仲平
Original assignee: Dong Guan Hotmodo Heater Co ltd
Current assignee: Dong Guan Hotmodo Heater Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-09-22
Anticipated expiration: 2030-01-07

Abstract

The utility model discloses a lid ring pipe box's spring is from stress tightening up heater, heating device technical field, including sleeve pipe body, lid ring and heating coil phase-match, lid ring and sleeve pipe body movable are connected, and the one end that the lid ring was kept away from to the sleeve pipe body is equipped with logical groove, and lid ring inboard is located to heating coil one end, and the heating coil other end passes logical groove to extend to the sleeve pipe body outside from leading to the groove, be equipped with the location portion that is used for fixed heating coil between lid ring and the heating coil. The utility model discloses rotatory lid circle, locating piece and lid circle synchronous revolution, the locating piece is inconsistent with heating coil one end, and heating coil takes place elastic deformation and outside expansion this moment, and heating coil's diameter grow is convenient for with the heater cover on hot chewing, when the hand loosens the lid circle, heating coil reconversion, the heater tightly overlaps on hot chewing this moment, and heat conduction effect is good. The utility model discloses rational in infrastructure, convenient to use, the heat conduction is effectual.

Description

Spring self-stress tightening heater of cover ring pipe sleeve

Technical Field

The utility model relates to a heating device technical field specifically is a heater is tightened up to spring self-stress of lid circle pipe box.

Background

In order to prevent the plastic melt from solidifying in the injection hot nozzle, the injection hot nozzle of the existing injection mold is generally equipped with a corresponding heating device, wherein a copper sleeve heater and a spring heating ring are taken as main components. The existing copper sleeve heater is assembled on a corresponding injection molding hot nozzle and is not tight or loose, so that the existing copper sleeve heater is difficult to be well matched together; in order to ensure the matching precision of the copper sleeve and the injection molding hot nozzle, the inner diameter of the copper sleeve and the outer diameter of the injection molding hot nozzle require high processing precision, and the processing difficulty is high. For the spring heating ring, because the spring heating ring has resilience, when the inner diameter of the spring heating ring is smaller, the spring heating ring is difficult to be arranged on an injection molding hot nozzle; when the inner diameter of the spring heating ring is larger, the spring heating ring is loosely mounted, and the temperature of the injection molding hot nozzle can not meet the requirement when the spring heating ring is heated to be red. When the existing spring heating wire is installed on a hot nozzle, because the space of an annular hanging platform flange of the hot nozzle is narrow, and a clearance-avoiding heat insulation groove of the hot nozzle is deeper, the existing tool or the existing tool can not be installed in place manually, so that one end of a heater of the spring can hardly reach the top position of the heat insulation groove ring completely, the heat transfer is insufficient, or the depth is inconsistent, the heat conduction effect is inconsistent, the melting temperature of plastics in the hot nozzle is inconsistent, the quality of a formed product is inconsistent, the quality of an injection molding product can be seriously influenced, and the consistency of an injection molding process is influenced. In addition, when the existing copper sleeve heater is taken out, the copper sleeve heater is difficult to directly take down due to no proper acting point, the heat nozzle needs to be disassembled from the rear of an injection molding machine, and the process is very complicated. And most of the existing heating devices can be arranged on the hot nozzle by means of tools, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spring of lid ring pipe box tightens up heater from stress, has rational in infrastructure, convenient to use and the good beneficial effect of heat conduction effect to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a lid encircles spring of pipe box and tightens up heater from stress, which comprises a sleeve body, lid circle and heating coil, the lid encloses the one end of establishing at the sleeve body, lid circle and heating coil phase-match, the lid encloses and is connected with sleeve body mobilizable formula, heating coil locates sleeve body and lid circle inboard, the one end that the lid enclosed is kept away from to the sleeve body is equipped with logical groove, heating coil one end is located lid and encloses the inboard, the heating coil other end passes logical groove, and extend to the sleeve body outside from leading to the groove, be equipped with the location portion that is used for fixed heating coil between lid circle and the heating coil, location portion and lid circle fixed connection.

As a further aspect of the present invention: the inner diameter of the heating coil in a relaxed state is smaller than that of the heat nozzle.

As a further aspect of the present invention: the bottom of the cover ring is fixedly provided with a convex ring, the sleeve body is provided with a mounting groove matched with the convex ring, and the cover ring is rotatably sleeved on the sleeve body.

As a further aspect of the present invention: the outer side of the cover ring is provided with anti-skid grains which are uniformly distributed on the cover ring.

As a further aspect of the present invention: the height of the cover ring is 15-20 mm.

As a further aspect of the present invention: the heating coil is tightly attached to the inner walls of the sleeve body and the cover ring and is uniformly distributed in the sleeve body and the cover ring in a spiral shape.

As a further aspect of the present invention: the sleeve body and the cover ring are made of stainless steel, and the heating coil is made of copper.

As a further aspect of the present invention: the one end that the sleeve pipe body is close to logical groove is equipped with the packing ring, packing ring and sleeve pipe body fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a rotatory lid circle, locating piece and lid circle synchronous revolution, the locating piece is inconsistent with heating coil one end, and heating coil takes place elastic deformation and outside expansion this moment, and heating coil's diameter grow is convenient for chew the heater cover on heat, and when the lid circle was loosened to the hand, heating coil reconversion, because heating coil is less than the internal diameter that heat was chewed at the internal diameter under the lax state, the heater tightly overlaps on heat is chewed this moment, and heat conduction effect is good. The utility model discloses rational in infrastructure, convenient to use, the heat conduction is effectual, need not with the help of the instrument, can accomplish the dismouting of heater fast.

Drawings

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

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a partially enlarged view of a in fig. 1 according to the present invention.

Fig. 4 is a side view of the present invention.

Fig. 5 is a schematic view of the invention from direction B in fig. 4.

Fig. 6 is a schematic view of the structure of fig. 4 in the direction of C according to the present invention.

Fig. 7 is a schematic structural view of the cover ring and the sleeve body of the present invention.

Fig. 8 is a schematic structural diagram of D-D in fig. 5 according to the present invention.

Fig. 9 is a schematic structural view of the cover ring of the present invention.

Fig. 10 is an exploded view of the present invention.

Fig. 11 is a schematic structural view of the present invention assembled with a hot nozzle.

Fig. 12 is a schematic cross-sectional view of E-E of fig. 11 according to the present invention.

The labels in the figure are:

the sleeve comprises a sleeve body 12, a cover ring 13, a heating coil 14, a through groove 15, a positioning block 16, a raised ring 17, a mounting groove, anti-skidding threads 19, a gasket 20, a heat nozzle 21 and a welding spot 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, a spring self-stress tightening heater for a cover ring and a sleeve comprises a sleeve body 12, a cover ring 13 and a heating coil 14, wherein the cover ring 13 is disposed at one end of the sleeve body 12, the cover ring 13 is matched with the heating coil 14, and the sleeve body 12 and the cover ring 13 are made of stainless steel; the inner diameter of the heating coil 14 in a relaxed state is smaller than that of the heat nozzle 21; referring to fig. 3, a positioning block 16 for fixing the heating coil 14 is arranged between the cover ring 13 and the heating coil 14, the positioning block 16 is fixedly connected with the cover ring 13, referring to fig. 8, the heating coil 14 can also be welded with the inner wall of the cover ring 13 through a welding spot 22, when the cover ring 13 and the sleeve body 12 rotate relatively, the positioning block 16 is abutted against one end of the heating coil 14, at the moment, the heating coil 14 is elastically deformed and expands outwards, the diameter of the heating coil 14 is increased, and the heater is conveniently sleeved on the heat nozzle 21; referring to fig. 9, a raised ring 17 is fixedly arranged at the bottom of the cover ring 13, a mounting groove matched with the raised ring 17 is arranged on the casing body 12, the cover ring 13 is rotatably sleeved on the casing body 12, and the cover ring 13 and the casing body 12 can rotate relatively; the outer side of the cover ring 13 is provided with anti-slip grains 19, the anti-slip grains 19 are uniformly distributed on the cover ring 13, the height of the cover ring 13 is 15-20 mm, the anti-slip grains 19 can increase friction force, so that a person can conveniently pinch the cover ring 13 and rotate the cover ring 13, and the cover ring 13 is designed to be 15-20 mm in height so that the person can conveniently pinch the cover ring 13 and rotate the cover ring 13; referring to fig. 1, the heating coil 14 is disposed inside the sleeve body 12 and the cover ring 13, the heating coil 14 is disposed closely to the inner walls of the sleeve body 12 and the cover ring 13 and is spirally and uniformly distributed inside the sleeve body 12 and the cover ring 13, one end of the sleeve body 12, which is far away from the cover ring 13, is provided with a through slot 15, one end of the heating coil 14 is disposed inside the cover ring 13, the other end of the heating coil 14 passes through the through slot 15 and extends from the through slot 15 to the outside of the sleeve body 12, and the heating coil 14 is made of copper; referring to fig. 2, a gasket 20 is disposed at one end of the sleeve body 12 close to the through slot 15, the gasket 20 is fixedly connected to the sleeve body 12, and the gasket 20 is disposed to make the overall heater more beautiful. Referring to the drawings 11-12, the utility model discloses a rotatory lid circle 13, locating piece 16 and lid circle 13 synchronous revolution, locating piece 16 is inconsistent with 14 one end of heating coil, heating coil 14 takes place elastic deformation and outside expansion this moment, heating coil 14's diameter grow, be convenient for with the heater cover on hot chew 21, when the hand unclamp lid circle 13, heating coil 14 reconversion, because heating coil 14 is less than the internal diameter that 21 was chewed to heat at the internal diameter under the state of laxing, the heater tightly overlaps on 21 is chewed to heat this moment, the heat conduction is effectual, and need not with the help of the instrument, can accomplish the dismouting of heater fast.

Referring to fig. 11, in a specific use process, when the heater needs to be installed on the heat nozzle 21, one hand is firstly used to hold the sleeve body 12, the other hand holds the cover ring 13 and rotates the cover ring 13, the positioning block 16 rotates synchronously with the cover ring 13, the positioning block 16 abuts against one end of the heating coil 14, at this time, the heating coil 14 elastically deforms and expands outwards, the diameter of the heating coil 14 becomes large, the heater is conveniently sleeved on the heat nozzle 21, when the cover ring 13 is loosened by the hand, the heating coil 14 recovers the original shape, because the inner diameter of the heating coil 14 in a loose state is smaller than that of the heat nozzle 21, the heater is tightly sleeved on the heat nozzle 21, and the heat conduction effect is good; when the heater needs to be taken down from the heat nozzle 21, one hand is used for holding the sleeve body 12, the other hand is used for holding the cover ring 13, the cover ring 13 is rotated, the positioning block 16 and the cover ring 13 rotate synchronously, the positioning block 16 is abutted against one end of the heating coil 14, at the moment, the heating coil 14 is elastically deformed and expands outwards, the diameter of the heating coil 14 is increased, and the heater is convenient to take down from the heat nozzle 21.

The utility model discloses rational in infrastructure, convenient to use, the heat conduction is effectual, need not with the help of the instrument, can accomplish the dismouting of heater fast.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a heater is tightened up from stress to spring of lid circle pipe box, its characterized in that, includes sleeve pipe body (12), lid circle (13) and heating coil (14), lid circle (13) are established the one end of sleeve pipe body (12), lid circle (13) and heating coil (14) phase-match, lid circle (13) and sleeve pipe body (12) movable connection, heating coil (14) are located sleeve pipe body (12) and lid circle (13) inboard, the one end that cover circle (13) was kept away from to sleeve pipe body (12) is equipped with logical groove (15), heating coil (14) one end is located lid circle (13) inboard, heating coil (14) other end passes logical groove (15), and follow lead to groove (15) extend to the sleeve pipe body (12) outside, be equipped with location portion (16) that are used for fixed heating coil (14) between lid circle (13) and heating coil (14), the positioning part (16) is fixedly connected with the cover ring (13).

2. A spring self-stress tightening heater of a cover ring pipe sleeve according to claim 1, characterized in that the inner diameter of the heat generating coil (14) in a relaxed state is smaller than the inner diameter of the heat nozzle (21).

3. The heater capable of tightening the spring of the cover ring and the pipe sleeve by self stress as claimed in claim 1, wherein a protruding ring (17) is fixedly arranged at the bottom of the cover ring (13), a mounting groove matched with the protruding ring (17) is arranged on the pipe sleeve body (12), and the cover ring (13) is rotatably sleeved on the pipe sleeve body (12).

4. A heater with a cover ring and sleeve capable of tightening by self-stress as claimed in claim 1, wherein the cover ring (13) is provided with anti-slip threads (19) on the outer side, and the anti-slip threads (19) are uniformly distributed on the cover ring (13).

5. A spring self-stress tightening heater of a cover ring pipe sleeve according to claim 4, characterized in that the height of the cover ring (13) is 15-20 mm.

6. The heater is tightened by the self-stress of the spring of the cover ring pipe sleeve according to claim 1, wherein the heating coil (14) is closely arranged on the inner wall of the sleeve body (12) and the cover ring (13) and is uniformly distributed in the sleeve body (12) and the cover ring (13) in a spiral shape.

7. A cover ring and tube sleeve spring self-stress tightening heater according to claim 1, wherein the sleeve body (12) and the cover ring (13) are made of stainless steel, and the heat generating coil (14) is made of copper.

8. A heater with a cover ring and a pipe sleeve capable of self-stress tightening of a spring according to claim 1, characterized in that a gasket (20) is arranged at one end of the pipe sleeve body (12) close to the through groove (15), and the gasket (20) is fixedly connected with the pipe sleeve body (12).