Bottle blank heat preservation device

Abstract

The utility model belongs to the technical field of blow molding, and discloses a bottle blank heat preservation device which comprises a first heat preservation plate, a second heat preservation plate, a driving piece and a heating piece, a transfer channel with two open ends is defined by the first heat preservation plate and the second heat preservation plate which are oppositely arranged, one end of the transfer channel is communicated with an outlet of one heating area, and the other end of the transfer channel is communicated with an outlet of the other heating area. The other end of the transfer channel is communicated with the inlet of the other heating area, and bottle blanks can pass through the transfer channel; the driving parts are arranged on the first heat preservation plate and / or the second heat preservation plate in the height direction, heating parts are arranged at the output ends of the driving parts, and the driving parts can drive the heating parts to move between the first heat preservation plate and the second heat preservation plate. The transfer channel formed by clamping the first heat preservation plate and the second heat preservation plate is arranged between the two heating areas, so that heat loss of bottle blanks is avoided in the process that the bottle blanks are transitionally transferred through the transfer channel, the influence of transition on bottle blowing forming is reduced, and the blow molding quality and efficiency are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of blow molding, in particular to a preform heat preservation device. Background Art

[0002] At present, most of the bottle blowing machines are two-step bottle blowing machines, that is, the plastic raw materials must be made into bottle preforms first, and then blown; in the heating machine, the bottle preform needs to transition from the heating zone on one side through the driven part to the heating zone on the other side. In this process, since the driven part has no shielding and heating equipment, it is easy to cause the temperature of the bottle preform to drop when the bottle preform transitions. Even if the heating power of the heating zones on both sides is increased, it cannot guarantee that the heat energy of the bottle preform will not be lost in the driven part of the heater, which affects the quality and efficiency of blow molding and causes product quality problems. Utility Model Content

[0003] The utility model aims to provide a preform insulation device to avoid heat loss of the preform when it transitions between two heating zones, reduce the influence of the transition on bottle blowing, ensure the quality and efficiency of blow molding, and ensure product quality issues.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] The preform heat preservation device is arranged between the two heating zones and includes:

[0006] a first heat preservation plate and a second heat preservation plate, the first heat preservation plate and the second heat preservation plate being arranged opposite to each other to form a transfer channel with two ends open, one end of the transfer channel being connected to the outlet of one of the heating zones, and the other end being connected to the inlet of the other heating zone, and the preform can pass through the transfer channel;

[0007] An adjusting member, wherein a plurality of the adjusting members are arranged on the first insulation board and / or the second insulation board along the height direction, a heating member is arranged at the output end of the adjusting member, and the adjusting member can drive the heating member to move between the first insulation board and the second insulation board.

[0008] Preferably, the first insulation board and the second insulation board are both arc-shaped.

[0009] Preferably, the first insulation board includes a box body and an insulation extension part, a plurality of adjustment parts are arranged on the box body along the height direction, a reflection plate is arranged on the side of the box body facing the second insulation board, the heating element is located between the reflection plate and the second insulation board, and the two insulation extension parts are arranged on both sides of the box body.

[0010] Preferably, the plurality of adjusting members are arranged on both sides of the box body in a one-to-one correspondence, and both ends of the heating member are connected to output ends of two opposite adjusting members.

[0011] Preferably, the adjusting member is an electric adjusting member.

[0012] Preferably, the adjusting member includes a driving seat and an adjusting rod, the adjusting rod is arranged on the driving seat, the driving seat is provided with a long hole, the box body is provided with a fixing member, and the fixing member fixes the driving seat to the box body through the long hole; a fixing clamp is provided at one end of the adjusting rod away from the driving seat, and the heating element is placed on the fixing clamp.

[0013] Preferably, an end mounting plate is provided on the box body, two end mounting plates are installed on both sides of the box body, a gap is provided between the end mounting plate and the box body, and the heat-insulating extension portion abuts against the end mounting plate.

[0014] Preferably, an upper cover plate is provided at the upper end of the box body, and two ends of the upper cover plate abut against the two heat-insulating extension parts.

[0015] Preferably, the heat-insulating extension portion is groove-shaped, and the notch of the heat-insulating extension portion faces the second heat-insulating board.

[0016] Preferably, the heating element is a heating tube.

[0017] Beneficial effects of the utility model:

[0018] A transfer channel formed by clamping a first insulation plate and a second insulation plate is arranged between the two heating zones, so that when the preform comes out of one of the heating zones and enters the other heating zone through the transfer channel, a heating element is arranged in the transfer channel for heating and heat preservation, so as to avoid heat loss of the preform during the transition transfer process, reduce the influence of the transition on the blow molding, and ensure the quality and efficiency of the blow molding; and the heating element can be driven by an adjusting element, so as to maintain the distance between the heating element and the preform, adjust the heating temperature, and ensure the stability of the quality of the preform. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the preform heat preservation device of the utility model;

[0020] Figure 2 This is an exploded view of the preform heat preservation device of the utility model;

[0021] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0022] In the figure:

[0023] 1. First insulation board; 11. Box body; 12. Insulation extension part; 2. Second insulation board; 3. Transfer channel;

[0024] 4. Adjustment part; 41. Drive seat; 42. Adjustment rod; 43. Fixing clamp; 44. Long hole; 5. Heating part; 6. Reflection plate; 7. Upper cover plate; 9. Fixing part; 10. End mounting plate. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0026] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0028] In the description of this embodiment, the terms "upper", "lower", "left", "right", etc., and the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplified operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0029] like Figure 1-Figure 3As shown, the present application provides a preform insulation device, which is arranged between two heating zones, and includes a first insulation plate 1, a second insulation plate 2, an adjustment member 4 and a heating member 5. The first insulation plate 1 and the second insulation plate 2 arranged opposite to each other form a transfer channel 3 with openings at both ends. One end of the transfer channel 3 is connected to the outlet of one of the heating zones, and the other end is connected to the inlet of the other heating zone. The preform can pass through the transfer channel 3; a plurality of adjustment members 4 are arranged on the first insulation plate 1 and / or the second insulation plate 2 along the height direction, and the heating member 5 is arranged at the output end of the adjustment member 4, and the adjustment member 4 can drive the heating member 5 to move between the first insulation plate 1 and the second insulation plate 2.

[0030] A transfer channel 3 formed by clamping a first insulation plate 1 and a second insulation plate 2 is provided between the two heating zones, so that when the preform comes out of one of the heating zones and enters the other heating zone through the transfer channel 3, a heating element 5 is provided in the transfer channel 3 for heating and heat preservation, so as to avoid heat loss of the preform during the transition transfer process, reduce the influence of the transition on the blow molding, and ensure the quality and efficiency of the blow molding; in addition, the heating element 5 can be driven by the adjusting element 4, so as to maintain the distance between the heating element 5 and the preform, adjust the heating temperature, and ensure the stability of the quality of the preform.

[0031] In the prior art, the two heating zones are often arranged opposite to each other, and the inlet and outlet of the heating zone are located at the ends thereof. In order to adapt to the layout of the above heating zones, in some embodiments, the first insulation board 1 and the second insulation board 2 are both arc-shaped, that is, the transfer channel 3 is an arc-shaped channel, connecting the inlet and outlet of the two heating zones; thereby, the preform can be guided to smoothly transition from one heating zone to another. On the other hand, the above arc-shaped structure can also reduce the direct convection of the external wind on the transfer channel 3, thereby improving the insulation effect.

[0032] Specifically, Figure 2As shown, the first insulation board 1 includes a box body 11 and an insulation extension part 12, and the insulation extension part 12 is arranged on both sides of the box body 11. A reflective plate 6 is arranged on the side of the box body 11 facing the second insulation board 2, and the heating element 5 is located between the reflective plate 6 and the second insulation board 2; in addition, a plurality of adjustment members 4 are arranged on the box body 11 along the height direction; it can be understood that in other embodiments, the adjustment member 4 can be arranged on the second insulation board 2; or both are provided with the above-mentioned adjustment member 4. Thus, the heating element 5 is heated in the transfer channel 3, and the reflective plate 6 can reflect the heat dissipated outward to the bottle embryo to reduce heat loss. For the convenience of installation, in the current embodiment, a plurality of adjustment members 4 are arranged on both sides of the box body 11 in a one-to-one correspondence; and the two ends of the heating element 5 are respectively installed at the output ends of the two opposite adjustment members 4, thereby ensuring the stability of the heating element 5. Exemplarily, the heating element 5 can be a heating tube, preferably a heating lamp tube. It should be noted that the second heat insulation board 2 is mounted on an external component such as a machine body by bolts or screws.

[0033] like Figure 1 and Figure 2 As shown, in some embodiments, in order to further reduce heat loss, an upper cover plate 7 is provided at the upper end of the box body 11, and the upper cover plate 7 abuts against the two heat-insulating extension parts 12; further, in order to avoid heat loss of the heat-insulating extension part 12, the heat-insulating extension part 12 is groove-shaped, and the groove of the heat-insulating extension part 12 faces the second heat-insulating plate 2, thereby further reducing heat loss and ensuring the temperature of the preform when it is transferred in the heat-insulating extension part 12. It should be noted that the heat-insulating extension part 12 is installed on external parts such as the body by bolts or screws.

[0034] like Figure 2 and Figure 3 As shown, in some embodiments, the adjustment member 4 is an electric adjustment member, such as an electric telescopic rod, a cylinder, etc. In order to save costs, in the current embodiment, the adjustment member 4 includes a drive seat 41 and an adjustment rod 42, the adjustment rod 42 is arranged on the drive seat 41, and a fixing clamp 43 is arranged at one end of the adjustment rod 42 away from the drive seat 41, and the heating element 5 is placed on the fixing clamp 43; the drive seat 41 is provided with a long hole 44 extending from the box body 11 to the second insulation board 2, and the box body 11 is provided with a fixing member 9, and the fixing member 9 fixes the drive seat 41 to the box body 11 through the long hole 44, so that when adjustment is required, it is only necessary to loosen the fixing member 9, move the drive seat 41, and tighten the fixing member 9 to fix the drive seat 41. Exemplarily, the fixing member 9 can be a bolt or a screw.

[0035] Further, in order to adapt to the installation of the heat preservation extension part 12 after the adjustment parts 4 are arranged on both sides of the box body 11, in some embodiments, the box body 11 is provided with an end mounting plate 10, and two end mounting plates 10 are installed on both sides of the box body 11, and the heat preservation extension part 12 abuts against the end mounting plates 10, and a gap is arranged between the end mounting plates 10 and the box body 11, and the adjustment part 4 is located in the above gap, which can avoid interference on the one hand, and can also adjust the position of the adjustment part 4 through the gap on the other hand. In addition, the box body 11 can also be installed on the external component through the above end mounting plates 10, which is convenient for installation.

[0036] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. The preform heat preservation device is set between the two heating zones. It is characterized in that include: A first heat preservation plate (1) and a second heat preservation plate (2), the first heat preservation plate (1) and the second heat preservation plate (2) being arranged opposite to each other and enclosing a transfer channel (3) with openings at both ends, one end of the transfer channel (3) being connected to an outlet of one of the heating zones, and the other end being connected to an inlet of another of the heating zones, and the preform can pass through the transfer channel (3); An adjusting member (4), wherein a plurality of the adjusting members (4) are arranged on the first thermal insulation board (1) and / or the second thermal insulation board (2) along a height direction, a heating member (5) is arranged at an output end of the adjusting member (4), and the adjusting member (4) is capable of driving the heating member (5) to move between the first thermal insulation board (1) and the second thermal insulation board (2).

2. The preform heat preservation device according to claim 1, It is characterized in that The first thermal insulation board (1) and the second thermal insulation board (2) are both arc-shaped.

3. The preform heat preservation device according to claim 2, It is characterized in that The first thermal insulation board (1) comprises a box body (11) and a thermal insulation extension part (12), a plurality of adjustment parts (4) are arranged on the box body (11) along the height direction, a reflection plate (6) is arranged on the side of the box body (11) facing the second thermal insulation board (2), the heating element (5) is located between the reflection plate (6) and the second thermal insulation board (2), and the two thermal insulation extension parts (12) are arranged on both sides of the box body (11).

4. The preform heat preservation device according to claim 3, It is characterized in that The plurality of adjusting members (4) are arranged one by one on both sides of the box body (11), and the two ends of the heating member (5) are connected to the output ends of two opposite adjusting members (4).

5. The preform heat preservation device according to claim 4, It is characterized in that The adjusting member (4) is an electric adjusting member.

6. The preform heat preservation device according to claim 4, It is characterized in that The adjusting member (4) comprises a driving seat (41) and an adjusting rod (42); the adjusting rod (42) is arranged on the driving seat (41); the driving seat (41) is provided with a long hole (44); the box body (11) is provided with a fixing member (9); the fixing member (9) fixes the driving seat (41) to the box body (11) through the long hole (44); a fixing clamp (43) is arranged at one end of the adjusting rod (42) away from the driving seat (41); the heating member (5) is arranged on the fixing clamp (43).

7. The preform heat preservation device according to claim 4, It is characterized in that An end mounting plate (10) is arranged on the box body (11), two end mounting plates (10) are mounted on both sides of the box body (11), a gap is arranged between the end mounting plate (10) and the box body (11), and the heat-insulating extension portion (12) abuts against the end mounting plate (10).

8. The preform heat preservation device according to claim 3, It is characterized in that An upper cover plate (7) is provided at the upper end of the box body (11), and two ends of the upper cover plate (7) are in contact with the two heat-insulating extension parts (12).

9. The preform heat preservation device according to claim 3, It is characterized in that The heat-insulating extension portion (12) is in the form of a groove, and the groove opening of the heat-insulating extension portion (12) faces the second heat-insulating board (2).

10. The preform heat preservation device according to any one of claims 1 to 9, It is characterized in that The heating element (5) is a heating tube.

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