CN220075395U - Mould is used in production of insulating tube - Google Patents

Abstract

The utility model discloses a mould for producing a heat preservation pipe, which comprises a base, wherein supporting rods are arranged at four included angles at the top of the base, a lower mould assembly is arranged in the middle of each supporting rod, and a mould closing assembly is arranged at the top end of each supporting rod, so that the mould has the beneficial effects that: the utility model can contact the bottom of the pipe wall with the lower template when demoulding by arranging the lower die assembly and the die assembly, thereby increasing the contact area of the bottom of the pipe, reducing the compressive strength of the end surface of the pipe wall, preventing the pipe wall from deforming when demoulding due to the acting force of the ejector pin or the push rod, and simultaneously adjusting the distance between the bottom of the injection molding rod and the upper die sleeve to adjust the length of the injection molding pipe, thereby being capable of producing pipes with various lengths.

Description

Mould is used in production of insulating tube

Technical Field

The utility model relates to the field of insulating pipe production dies, in particular to a die for producing an insulating pipe.

Background

The heat preservation pipe is short for heat preservation pipe, the heat preservation pipe is used for conveying liquid, gas and other mediums, heat preservation engineering of pipelines such as petroleum, chemical industry, aerospace, military, central heating, central air conditioning and municipal administration is carried out in heat preservation, when the heat preservation pipe is produced, production is generally carried out through hot melt injection molding or winding hot melt mode, when production is carried out through the hot melt injection molding method, injection molding processing is carried out through the cooperation of an injection molding head and a mold, demolding is carried out after cooling is finished, and the pipelines are pushed by a thimble arranged through a lower template during demolding or a push rod can be pushed when the lower template descends, so that the heat preservation pipe is separated from the mold.

When the ejector pin or the push rod is used for demolding, the contact area between the ejector pin or the push rod and the heat-insulating pipeline is limited, and when the pipeline is just produced, the ejector pin or the push rod is used for demolding, if the pipeline is tightly adhered to the die, the contact surface between the pipeline and the ejector pin is easy to deform, so that the production quality of the heat-insulating pipeline is affected.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

Aiming at the problems in the related art, the utility model provides a mould for producing a heat preservation pipe. So as to overcome the technical problems existing in the prior related art.

The technical scheme of the utility model is realized as follows: the utility model provides a mould is used in insulating tube production, includes the base, the bracing piece is all installed to four contained angles departments at base top, the mid-mounting of bracing piece has lower mould subassembly, the compound die subassembly is installed on the top of bracing piece.

Further, the lower die assembly comprises a lower die plate, the middle part of the supporting rod is sleeved with the lower die plate, four included angles of the lower die plate are respectively fixedly connected with the supporting rod, an empty groove is formed in the middle of the top end of the lower die plate, and a lower die rod is slidably mounted in the empty groove.

Further, a driving motor is arranged right below the lower die rod at the top end of the base, the output end of the driving motor faces upwards and is provided with a screw rod, and the lower die rod extends downwards to be in threaded connection with the screw rod.

Further, the compound die assembly comprises an upper die plate, the upper die plate is mounted at the top of the supporting rod, four included angles of the upper die plate are respectively and fixedly connected with the supporting rod, a sliding groove is formed in the middle of the top end of the upper die plate, and an upper die sleeve is mounted in the sliding groove in a sliding mode.

Further, the outside symmetry of going up the die sleeve installs the slide bar, go up the die sleeve pass through the slide bar with sliding tray sliding connection, the top fixed mounting of going up the die sleeve has the thread bush, thread bush internal thread connection has the pole of moulding plastics, the bottom of the pole of moulding plastics is connected with the head of moulding plastics.

Further, the injection molding rod is arranged in a hollow mode, the injection molding head is connected with the upper die sleeve through a piston, and a connector is arranged at the top end of the injection molding rod.

The utility model provides a mould for producing a heat preservation pipe, which has the following beneficial effects:

1. the utility model can contact the bottom of the pipe wall with the lower template when demoulding by arranging the lower die assembly and the die assembly, thereby increasing the contact area of the bottom of the pipe, reducing the compressive strength of the end surface of the pipe wall, preventing the pipe wall from deforming when demoulding due to the acting force of the ejector pin or the push rod, and simultaneously adjusting the distance between the bottom of the injection molding rod and the upper die sleeve to adjust the length of the injection molding pipe, thereby being capable of producing pipes with various lengths.

2. The hot-melt raw materials are input into the injection molding rod through the connector, injection molding is carried out through the injection molding head, the injection molding rod is driven to ascend or descend through the rotary threaded sleeve, the injection molding head and the bottom of the upper die sleeve form the distance which is the same as the length of a heating pipe to be injected, at the moment, the upper die sleeve slides downwards to form a gap between the injection molding head in the upper die sleeve and the lower die rod, meanwhile, the driving motor is started, the driving motor drives the lower die rod to move downwards through the screw until the upper die sleeve is attached to the lower die plate, at the moment, the cooling pipe can be arranged in the wall of the upper die sleeve for cooling, after injection molding is finished, the upper die sleeve is pulled out, at the moment, the lower die rod is driven to ascend through the driving motor, a certain gap is formed between the injection molding head and the injection molding rod during injection molding, a barrier is pushed, the formed, the pipe wall end face of the bottom of the pipe is contacted with the lower die plate, and the injection molded heat insulation pipe is separated, and demoulding is completed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a mold for producing a thermal insulation pipe according to an embodiment of the present utility model;

FIG. 2 is a cross sectional view of a mold for production of insulating tubing according to an embodiment of the present utility model;

fig. 3 is a sectional view of a mold for producing an insulating tube according to an embodiment of the present utility model.

In the figure:

1. a base; 2. a support rod; 3. a lower template; 4. a hollow groove; 5. a lower die rod; 6. a driving motor; 7. a screw; 8. an upper template; 9. a sliding groove; 10. an upper die sleeve; 11. a slide bar; 12. a thread sleeve; 13. an injection molding rod; 14. an injection molding head; 15. a connector; 16. a lower die assembly; 17. and (5) a die assembly.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

As shown in fig. 1-3, the mold for producing a heat insulation pipe according to the embodiment of the utility model comprises a base 1, support rods 2 are installed at four included angles at the top of the base 1, a lower mold assembly 16 is installed in the middle of the support rods 2, and a mold clamping assembly 17 is installed at the top end of the support rods 2.

The bottom of the pipe wall is contacted with the lower template 3 during demolding through the cooperation of the lower die assembly 16 and the mold clamping assembly 17, so that the contact area of the bottom of the pipe is increased, the compressive force applied to the end face of the pipe wall is reduced, and the pipe wall deformation caused by the acting force of the ejector pin or the push rod on the pipe wall when the heating pipe is demolded is prevented.

In addition, as shown in fig. 1-2, in one embodiment, the lower die assembly 16 includes a lower die plate 3, the lower die plate 3 is sleeved at the middle part of the supporting rod 2, four included angles of the lower die plate 3 are respectively and fixedly connected with the supporting rod 2, a hollow groove 4 is formed at the middle part of the top end of the lower die plate 3, a lower die rod 5 is slidably mounted in the hollow groove 4, a driving motor 6 is mounted right below the lower die rod 5 at the top end of the base 1, the output end of the driving motor 6 is upward and is provided with a screw rod 7, the lower die rod 5 extends downwards to be in threaded connection with the screw rod 7, the die clamping assembly 17 includes an upper die plate 8, the upper die plate 8 is mounted at the top of the supporting rod 2, four included angles of the upper die plate 8 are respectively and fixedly connected with the supporting rod 2, a sliding groove 9 is formed at the middle part of the top end of the upper die plate 8, an upper die sleeve 10 is slidably mounted in the sliding groove 9, wherein a sliding rod 11 is symmetrically mounted at the outer side of the upper die sleeve 10, the upper die sleeve 10 is slidably connected with the sliding groove 9 through the sliding rod 11, a thread sleeve 12 is fixedly mounted at the top end of the upper die sleeve 10, an injection molding rod 13 is connected with the thread sleeve 12 in a threaded manner, an injection molding head 14 is connected with the bottom end of the injection molding rod 13, the injection molding rod 13 is in a hollow arrangement, the injection molding head 14 is connected with the upper die sleeve 10 in a piston manner, a connector 15 is mounted at the top end of the injection molding rod 13, a hot-melt raw material is input into the injection molding rod 13 through the connector 15 through the hot-melt pipeline connected with the connector 15, injection molding is performed through the injection molding head 14, the injection molding rod 13 is driven to ascend or descend through rotating the thread sleeve 12, the injection molding head 14 and the bottom of the upper die sleeve 10 form the same distance with the length of a heating pipe to be injected, at the moment, the upper die sleeve 10 slides downwards to form a gap between the injection molding head 14 and the lower die rod 5 in the upper die sleeve 10, meanwhile, the driving motor 6 is started, the driving motor 6 drives the lower die rod 5 to move downwards through the screw rod 7 until the upper die sleeve 10 is attached to the lower die plate 3, at the moment, injection molding can be started, a cooling pipe can be arranged in the wall of the upper die sleeve 10 for cooling, after injection molding is finished, the upper die sleeve 10 is pulled out, at the moment, the driving motor 6 drives the lower die rod 5 upwards, a certain gap is formed between the injection molding head 14 and the injection molding rod 13 during injection molding, so that a barrier is formed, the formed pipeline is pushed to be separated from the lower die plate 3, then descends, the end face of the pipe wall at the bottom of the formed pipeline is contacted with the lower die plate 3, and the insulation pipe after injection molding is separated, and demoulding is completed.

Based on the scheme, when the utility model is practically applied, the working principle or the operation process is as follows: the screw sleeve 12 is rotated to drive the injection molding rod 13 to ascend or descend, so that the injection molding head 14 and the bottom of the upper die sleeve 10 form a distance which is the same as the length of a heating pipe to be injected, at the moment, the upper die sleeve 10 slides downwards to form a gap between the injection molding head 14 in the upper die sleeve 10 and the lower die rod 5, meanwhile, the driving motor 6 is started, the driving motor 6 drives the lower die rod 5 to move downwards through the screw rod 7 until the upper die sleeve 10 is attached to the lower die plate 3, after injection molding is finished, the upper die sleeve 10 is pulled out, at the moment, the driving motor 6 drives the lower die rod 5 upwards, and a certain gap is formed between the injection molding head 14 and the injection molding rod 13 during injection molding, so that a barrier is formed, the barrier is pushed to separate a formed pipeline from the lower die plate 3, and then descends, and the end face of the pipe wall at the bottom of the pipeline contacts with the lower die plate 3, so that the injection molded insulating pipe is separated.

By means of the scheme, the bottom of the pipe wall can be contacted with the lower die plate 3 during demolding through the cooperation of the lower die assembly 16 and the die assembly 17, so that the contact area of the bottom of the pipe is increased, the compressive strength of the end face of the pipe wall is reduced, the pipe wall deformation caused by the acting force of the ejector pin or the push rod when the heating pipe is demolded is prevented, the distance between the bottom of the injection rod 13 and the upper die sleeve 10 to date can be adjusted to adjust the length of the injection pipe, and the production of pipes with various lengths can be realized.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (4)

1. The utility model provides a mould is used in insulating tube production, includes base (1), its characterized in that, four contained angles departments at base (1) top all install bracing piece (2), mid-mounting of bracing piece (2) has lower mould subassembly (16), compound die subassembly (17) are installed on the top of bracing piece (2), lower mould subassembly (16) include lower bolster (3), lower bolster (3) cover is established the middle part of bracing piece (2), just four contained angles of lower bolster (3) respectively with bracing piece (2) fixed connection, empty slot (4) have been seted up at the top middle part of lower bolster (3), install lower mould pole (5) in empty slot (4), the top of base (1) is located install driving motor (6) under lower mould pole (5), driving motor (6) output up and install screw rod (7), lower mould pole (5) downwardly extending with screw rod (7) threaded connection.

2. The mold for producing the heat preservation pipe according to claim 1, wherein the mold clamping assembly (17) comprises an upper mold plate (8), the upper mold plate (8) is installed at the top of the supporting rod (2), four included angles of the upper mold plate (8) are fixedly connected with the supporting rod (2) respectively, a sliding groove (9) is formed in the middle of the top end of the upper mold plate (8), and an upper mold sleeve (10) is installed in the sliding groove (9) in a sliding mode.

3. The mold for producing the heat preservation pipe according to claim 2, wherein sliding rods (11) are symmetrically arranged on the outer side of the upper mold sleeve (10), the upper mold sleeve (10) is in sliding connection with the sliding groove (9) through the sliding rods (11), a threaded sleeve (12) is fixedly arranged at the top end of the upper mold sleeve (10), an injection molding rod (13) is connected with an internal thread of the threaded sleeve (12), and an injection molding head (14) is connected with the bottom end of the injection molding rod (13).

4. A mould for producing insulation pipes according to claim 3, wherein the injection rod (13) is hollow, the injection head (14) is connected with the upper die sleeve (10) by a piston, and a connector (15) is mounted at the top end of the injection rod (13).