Precisely-connected cooling pipe and using method thereof

Abstract

The invention relates to the technical field of plastic processing, in particular to a precisely-connected cooling pipe and a using method thereof.The precisely-connected cooling pipe comprises a main pipe body, a cooling assembly, a gas connector and a mounting assembly, the cooling assembly is arranged on the main pipe body, and the gas connector is preset on external air exhaust equipment; the installation assembly comprises a sleeve, a sliding ring, a spring, a locking steel ball and a sealing unit, the sleeve is fixedly connected with the main pipe body, the main pipe body is provided with a sliding groove, the gas connector is provided with a locking groove, the sleeve is provided with a groove, the sliding ring is slidably connected with the groove, the two ends of the spring are fixedly connected with the sleeve and the sliding ring respectively, and the locking steel ball is slidably connected with the sliding groove. The locking steel ball is arranged in the locking groove, the sliding ring is provided with an avoiding groove, the multiple springs are arranged, the sealing unit is used for improving the sealing performance between the main pipe body and the gas connector, and in this way, the technical problems that in the prior art, the mounting and dismounting process of a cooling pipe is tedious, and the requirement for efficient production is difficult to meet are solved.

Description

Technical Field

[0001] The invention relates to the technical field of plastic processing, and in particular to a precisely connected cooling pipe and a use method thereof. Background Art

[0002] With the development of technology, the demand for plastic preforms is increasing. In the production process of plastic preforms, cooling is a crucial link. Plastic preforms are manufactured by injection molding, and they need to be cooled quickly after molding to solidify the shape and ensure dimensional accuracy. The cooling process not only affects the quality of the preforms, but is also directly related to production efficiency and energy consumption.

[0003] In the prior art, cooling pipes are usually used to cool the plastic bottle embryos after demolding. However, the installation and removal process of the existing cooling pipes is complicated and difficult to meet the needs of efficient production. Summary of the invention

[0004] The purpose of the present invention is to provide a cooling pipe with precise connection and a method for using the same, aiming to solve the technical problem that the installation and disassembly process of the cooling pipe in the prior art is complicated and difficult to meet the needs of efficient production.

[0005] To achieve the above object, the present invention adopts a precisely connected cooling pipe, comprising a main body, a cooling assembly, a gas connector and a mounting assembly, wherein the cooling assembly is arranged on the main body, and the gas connector is preset on an external gas extraction device;

[0006] The installation assembly includes a sleeve, a slip ring, a spring, a locking steel ball and a sealing unit. The sleeve is fixedly connected to the main pipe body, the main pipe body has a slide groove, the gas joint has a locking groove, the sleeve has a groove, the slip ring is slidably connected to the groove, the two ends of the spring are respectively fixedly connected to the sleeve and the slip ring, the locking steel ball is slidably connected to the slide groove, and the locking steel ball is placed in the locking groove, the slip ring is provided with an avoidance groove, the number of the springs is multiple, and the multiple springs are evenly distributed along the axial center line of the slip ring, and the sealing unit is used to improve the sealing between the main pipe body and the gas joint.

[0007] Wherein, the cooling assembly includes a support plate, a liquid inlet pipe and a liquid outlet pipe, the main body has a plurality of cooling grooves, the support plate is fixedly connected to the main body, the support plate has a liquid supply cavity and a recovery cavity, the two openings of each cooling groove are distributed and connected to the liquid supply cavity and the recovery cavity, the liquid inlet pipe is connected to the liquid supply cavity, and the liquid outlet pipe is connected to the recovery cavity.

[0008] Wherein, the sealing unit comprises a support ring and an O-ring seal, wherein the support ring is fixedly connected to the gas joint, the O-ring seal is connected to the support ring and is located below the support ring, and the O-ring seal is also in contact with the main pipe.

[0009] Wherein, the installation assembly further comprises a sleeve rod and a support rod, one end of the sleeve rod is fixedly connected to the sleeve, the other end of the sleeve rod is sleeved with the support rod, and one end of the support rod away from the sleeve rod is fixedly connected to the slip ring.

[0010] Wherein, the installation assembly also includes a force ring, which is fixedly connected to the slip ring and is located on the outer wall of the slip ring.

[0011] Wherein, the precisely connected cooling pipe further comprises a shielding member, and the shielding member is arranged in the main pipe.

[0012] Among them, the precisely connected cooling pipe also includes a plate body, a screw and a guide rod. The plate body is fixedly connected to the main pipe body, the screw rod is threadedly matched with the plate body and is rotatably connected to the shielding member, one end of the guide rod is fixedly connected to the shielding member, and the other end of the guide rod is slidably connected to the plate body.

[0013] The present invention also provides a method for using a precisely connected cooling pipe, which is applied to the precisely connected cooling pipe as described above.

[0014] The steps include:

[0015] Firstly, the main pipe is connected to the gas connector through the mounting assembly;

[0016] Then, the liquid inlet and the liquid outlet are connected to an external heat exchange device;

[0017] The external air extraction device connected to the gas connector is started, and the plastic bottle embryo that has been demoulded is sucked into the main pipe;

[0018] Starting the external heat exchange device to send the coolant into the cooling assembly and into the plurality of cooling tanks to cool the plastic bottle preforms;

[0019] After the cooling is completed, the vacuum device stops vacuuming and the plastic bottle embryo slides out of the main pipe.

[0020] The present invention provides a precisely connected cooling pipe and a method for using the same. When in use, first, the slip ring is toggled, and the slip ring drives the spring to contract, and the slip ring slides in the groove. After sliding to a specified position, the locking steel ball is aligned with the avoidance groove. Then, the main pipe body is sleeved on the gas connector, and the main pipe body is pushed. At this time, the gas connector drives the locking steel ball to enter the avoidance groove. After being pushed to a specified position, when the locking steel ball is aligned with the locking groove, the slip ring is released. At this time, the spring resets and drives the slip ring to move, and the inner wall of the slip ring abuts against the locking steel ball, so that the locking The stop steel ball is held in the locking groove, thereby completing the installation between the main body and the gas connector. Otherwise, it is easy to disassemble. The sealing between the main body and the gas connector is improved by the sealing unit. After the installation is completed, the liquid inlet and the liquid outlet are connected to the external heat exchange device; the external exhaust device connected to the gas connector is started, and the plastic bottle embryo that has been demolded is sucked into the main body; the external heat exchange device is started to send the coolant into the cooling component, and enter the multiple cooling grooves to cool the plastic bottle embryo; after the cooling is completed, the exhaust device no longer exhausts air, and the plastic bottle embryo slides out of the main body. In this way, the technical problem that the installation and disassembly process of the cooling pipe in the prior art is cumbersome and difficult to meet the needs of efficient production is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic structural diagram of the first embodiment of the present invention.

[0023] Figure 2 It is a schematic diagram of the main view structure of the first embodiment of the present invention.

[0024] Figure 3 The present invention Figure 2 AA line structural cross-section view.

[0025] Figure 4 The present invention Figure 2 BB line structural cross-sectional view.

[0026] Figure 5 The present invention Figure 3 Enlarged view of the local structure at location C.

[0027] Figure 6 It is a schematic structural diagram of the second embodiment of the present invention.

[0028] Figure 7 It is a schematic structural diagram of the third embodiment of the present invention.

[0029] 101-main body, 102-gas connector, 103-sleeve, 104-slip ring, 105-spring, 106-locking steel ball, 107-sleeve rod, 108-support rod, 109-force ring, 110-support plate, 111-liquid inlet pipe, 112-liquid outlet pipe, 113-support ring, 114-O-type seal, 115-slide groove, 116-locking groove, 117-groove, 118-cooling groove, 119-liquid supply chamber, 120-recovery chamber, 201-shielding member, 202-plate body, 203-screw, 204-guide rod, 301-mounting wing plate, 302-screw, 303-chamfered corner structure. DETAILED DESCRIPTION

[0030] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0031] The first embodiment of the present application is:

[0032] See also Figure 1 to Figure 5 ,in Figure 1 It is a schematic structural diagram of the first embodiment of the present invention. Figure 2 It is a schematic diagram of the main view structure of the first embodiment of the present invention. Figure 3 The present invention Figure 2 AA line structural cross-section view. Figure 4 The present invention Figure 2 BB line structural cross-sectional view. Figure 5 The present invention Figure 3 Enlarged view of the local structure at location C.

[0033] The present invention provides a cooling pipe with precise connection, including a main body 101, a cooling assembly, a gas connector 102 and an installation assembly, wherein the installation assembly includes a sleeve 103, a slip ring 104, a spring 105, a locking steel ball 106, a sealing unit, a sleeve rod 107, a support rod 108 and a force ring 109, the cooling assembly includes a support plate 110, a liquid inlet pipe 111 and a liquid outlet pipe 112, and the sealing unit includes a support ring 113 and an O-ring seal 114. The above-mentioned solution solves the technical problem that the installation and disassembly process of the cooling pipe in the prior art is complicated and it is difficult to meet the requirements of efficient production.

[0034] According to the present specific embodiment, the cooling assembly is arranged on the main pipe body 101, and the gas connector 102 is preset on an external air extraction device; the sleeve 103 is fixedly connected to the main pipe body 101, the main pipe body 101 has a slide groove 115, the gas connector 102 has a locking groove 116, the sleeve 103 has a groove 117, the slip ring 104 is slidably connected to the groove 117, the two ends of the spring 105 are respectively fixedly connected to the sleeve 103 and the slip ring 104, the locking steel ball 106 is slidably connected to the slide groove 115, and the locking steel ball 106 is placed in the locking groove 116, the slip ring 104 is provided with an avoidance groove, the number of the springs 105 is multiple, and the multiple springs 105 are evenly distributed along the axial center line of the slip ring 104, and the sealing unit is used to improve the sealing between the main pipe body 101 and the gas connector 102;

[0035] During specific use, the slip ring 104 is firstly toggled, and the slip ring 104 drives the spring 105 to contract, and the slip ring 104 slides in the groove 117. After sliding to the specified position, the locking steel ball 106 is aligned with the avoidance groove. Then, the main pipe body 101 is sleeved on the gas connector 102, and the main pipe body 101 is pushed. At this time, the gas connector 102 drives the locking steel ball 106 to enter the avoidance groove. After being pushed to the specified position, when the locking steel ball 106 is aligned with the locking groove 116, the slip ring 104 is released. At this time, the spring 105 is reset to drive the slip ring 104 to move, and the inner wall of the slip ring 104 resists the locking steel ball 106, so that the The locking steel ball 106 is held against the locking groove 116, thereby completing the installation between the main body 101 and the gas connector 102. Otherwise, it is easy to disassemble. The sealing unit is used to improve the sealing between the main body 101 and the gas connector 102. After the installation is completed, the liquid inlet and the liquid outlet are connected to the external heat exchange device; the external exhaust device connected to the gas connector 102 is started, and the plastic bottle embryo that has been demolded is sucked into the main body 101; the external heat exchange device is started to send the coolant into the cooling component, and enter the multiple cooling grooves 118 to cool the plastic bottle embryo; after the cooling is completed, the exhaust device will no longer exhaust air, and the plastic bottle embryo can slide out of the main body 101. In this way, the technical problem that the installation and disassembly process of the cooling pipe in the prior art is cumbersome and difficult to meet the needs of efficient production is solved.

[0036] The main body 101 has a plurality of cooling grooves 118, the support plate 110 is fixedly connected to the main body 101, the support plate 110 has a liquid supply cavity 119 and a recovery cavity 120, the two openings of each cooling groove 118 are distributed and communicated with the liquid supply cavity 119 and the recovery cavity 120, the liquid inlet pipe 111 is communicated with the liquid supply cavity 119, and the liquid outlet pipe 112 is communicated with the recovery cavity 120. During cooling, the coolant enters the liquid supply cavity 119 through the liquid inlet, and the coolant in the liquid supply cavity 119 then enters the plurality of cooling grooves 118 to cool the plastic bottle embryo in the main body 101. The coolant after heat exchange enters the recovery cavity 120 under the push of the coolant in the liquid supply cavity 119, and is discharged through the liquid outlet for recovery.

[0037] Secondly, the support ring 113 is fixedly connected to the gas connector 102, the O-ring seal 114 is connected to the support ring 113 and is located below the support ring 113, the O-ring seal 114 is also in contact with the main pipe 101, the support ring 113 is used to support the O-ring seal 114, and the O-ring seal 114 is used to improve the sealing between the gas interface and the main pipe 101.

[0038] At the same time, one end of the sleeve rod 107 is fixedly connected to the sleeve 103, and the other end of the sleeve rod 107 is sleeved with the support rod 108. The end of the support rod 108 away from the sleeve rod 107 is fixedly connected to the slip ring 104. When the slip ring 104 moves, the slip ring 104 drives the support rod 108 to slide in the sleeve rod 107, thereby improving the stability of the slip ring 104 and avoiding rotation.

[0039] In addition, the force ring 109 is fixedly connected to the slip ring 104 and is located on the outer wall of the slip ring 104 . The force ring 109 can more conveniently move the slip ring 104 .

[0040] When using a precisely connected cooling tube of the present embodiment, firstly, the slip ring 104 is toggled, and the slip ring 104 drives the spring 105 to contract, and the slip ring 104 slides in the groove 117. After sliding to the specified position, the locking steel ball 106 is aligned with the avoidance groove. Then, the main pipe body 101 is sleeved on the gas connector 102, and the main pipe body 101 is pushed. At this time, the gas connector 102 drives the locking steel ball 106 to enter the avoidance groove. After being pushed to the specified position, when the locking steel ball 106 is aligned with the locking groove 116, the slip ring 104 is released. At this time, the spring 105 is reset to drive the slip ring 104 to move, and the inner wall of the slip ring 104 abuts against the locking steel ball 106. The locking steel ball 106 is pressed against the locking groove 116, thereby completing the installation between the main body 101 and the gas connector 102. Otherwise, it is easy to disassemble. The sealing between the main body 101 and the gas connector 102 is improved by the sealing unit. After the installation is completed, the liquid inlet and the liquid outlet are connected to the external heat exchange device; the external exhaust device connected to the gas connector 102 is started, and the plastic bottle embryo that has been demolded is sucked into the main body 101; the external heat exchange device is started to send the coolant into the cooling component, and enter the multiple cooling grooves 118 to cool the plastic bottle embryo; after the cooling is completed, the exhaust device no longer exhausts air, and the plastic bottle embryo slides out of the main body 101. In this way, the technical problem that the installation and disassembly process of the cooling pipe in the prior art is cumbersome and difficult to meet the needs of efficient production is solved.

[0041] The second embodiment of the present application is:

[0042] Based on the first embodiment, please refer to Figure 6 , Figure 6 It is a schematic structural diagram of the second embodiment of the present invention.

[0043] The present invention provides a cooling pipe with precise connection, which also includes a shielding member 201 , a plate body 202 , a screw rod 203 and a guide rod 204 .

[0044] According to this specific embodiment, the shielding member 201 is disposed in the main body 101 . By disposing the shielding member 201 , it is possible to limit the position of the plastic bottle embryo in the main body 101 .

[0045] Among them, the plate body 202 is fixedly connected to the main body 101, the screw 203 is threadedly matched with the plate body 202 and is rotatably connected to the shielding member 201, one end of the guide rod 204 is fixedly connected to the shielding member 201, and the other end of the guide rod 204 is slidably connected to the plate body 202. By rotating the screw 203, the screw 203 itself rotates and moves on the plate body 202, thereby driving the shielding member 201 to move. The guide rod 204 guides the shielding member 201, so that the position of the shielding member 201 can be adjusted according to needs.

[0046] By using a precisely connected cooling tube of the present embodiment and setting the shielding member 201, it is possible to limit the position of the plastic bottle embryo in the main body 101. By rotating the screw 203, the screw 203 itself rotates and moves on the plate 202, thereby driving the shielding member 201 to move. The guide rod 204 guides the shielding member 201, so that the position of the shielding member 201 can be adjusted according to needs.

[0047] Based on the first embodiment, please refer to Figure 7 , Figure 7 It is a schematic structural diagram of the third embodiment of the present invention.

[0048] The present invention provides a cooling pipe with precise connection, which also includes a mounting wing plate 301 and a screw 302 .

[0049] According to this specific embodiment, the mounting wing plate 301 is fixedly connected to the support plate 110, and one end of the screw 302 passes through the mounting wing plate 301 and is tightened on the main pipe 101. By passing one end of the screw 302 through the mounting wing plate 301 and tightening it on the main pipe 101, the cooling assembly can be installed on the main pipe 101, and vice versa, it is easy to disassemble.

[0050] The mounting wing plate 301 is provided with a rounded corner structure 303 , and the rounded corner structure 303 is provided to prevent the mounting wing plate 301 from being too sharp and damaging items.

[0051] By using a precisely connected cooling pipe of the present embodiment, the cooling assembly can be installed on the main body 101 by passing one end of the screw 302 through the mounting wing 301 and tightening it on the main body 101. Conversely, it is easy to disassemble. By providing the chamfered corner structure 303, the mounting wing 301 can be prevented from being too sharp and damaging items.

[0052] The present invention also provides a method for using a precisely connected cooling pipe, which is applied to the precisely connected cooling pipe as described above.

[0053] The steps include:

[0054] First, the main pipe 101 is connected to the gas connector 102 through the installation assembly;

[0055] Then, the liquid inlet and the liquid outlet are connected to an external heat exchange device;

[0056] The external air extraction device connected to the gas connector 102 is started, and the plastic bottle blank after demoulding is sucked into the main body 101;

[0057] Starting the external heat exchange device to deliver the coolant into the cooling assembly and into the plurality of cooling tanks 118 to cool the plastic bottle preforms;

[0058] After cooling is completed, the vacuum device stops vacuuming, and the plastic bottle blank slides out of the main body 101.

[0059] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A cooling tube with precise connection, characterized in that: It includes a main body, a cooling assembly, a gas connector and a mounting assembly, wherein the cooling assembly is arranged on the main body, and the gas connector is preset on an external gas extraction device; The installation assembly includes a sleeve, a slip ring, a spring, a locking steel ball and a sealing unit. The sleeve is fixedly connected to the main pipe body, the main pipe body has a slide groove, the gas joint has a locking groove, the sleeve has a groove, the slip ring is slidably connected to the groove, the two ends of the spring are respectively fixedly connected to the sleeve and the slip ring, the locking steel ball is slidably connected to the slide groove, and the locking steel ball is placed in the locking groove, the slip ring is provided with an avoidance groove, the number of the springs is multiple, and the multiple springs are evenly distributed along the axial center line of the slip ring, and the sealing unit is used to improve the sealing between the main pipe body and the gas joint.

2. The precision-connected cooling tube according to claim 1, characterized in that: The cooling assembly includes a support plate, a liquid inlet pipe and a liquid outlet pipe, the main body has a plurality of cooling grooves, the support plate is fixedly connected to the main body, the support plate has a liquid supply cavity and a recovery cavity, the two openings of each cooling groove are distributed and connected to the liquid supply cavity and the recovery cavity, the liquid inlet pipe is connected to the liquid supply cavity, and the liquid outlet pipe is connected to the recovery cavity.

3. The precision-connected cooling tube according to claim 2, characterized in that: The sealing unit comprises a support ring and an O-type seal. The support ring is fixedly connected to the gas joint. The O-type seal is connected to the support ring and is located below the support ring. The O-type seal is also in contact with the main pipe.

4. The precision-connected cooling tube according to claim 3, characterized in that: The installation assembly also includes a sleeve rod and a support rod, one end of the sleeve rod is fixedly connected to the sleeve, the other end of the sleeve rod is sleeved with the support rod, and one end of the support rod away from the sleeve rod is fixedly connected to the slip ring.

5. The precision-connected cooling tube according to claim 4, characterized in that: The mounting assembly further comprises a force ring, which is fixedly connected to the slip ring and is located on the outer wall of the slip ring.

6. The precision-connected cooling tube according to claim 5, characterized in that: The precisely connected cooling pipe further comprises a shielding member, which is disposed in the main pipe.

7. The precision-connected cooling tube according to claim 6, characterized in that: The precisely connected cooling pipe also includes a plate body, a screw and a guide rod. The plate body is fixedly connected to the main pipe body, the screw rod is threadedly matched with the plate body and is rotatably connected to the shielding member, one end of the guide rod is fixedly connected to the shielding member, and the other end of the guide rod is slidably connected to the plate body.

8. A method for using a precision-connected cooling pipe, applied to the precision-connected cooling pipe as claimed in claim 7, characterized in that: The steps include: Firstly, the main pipe is connected to the gas connector through the mounting assembly; Then, the liquid inlet and the liquid outlet are connected to an external heat exchange device; The external air extraction device connected to the gas connector is started, and the plastic bottle embryo that has been demoulded is sucked into the main pipe; Starting the external heat exchange device to send the coolant into the cooling assembly and into the plurality of cooling tanks to cool the plastic bottle preforms; After the cooling is completed, the vacuum device stops vacuuming and the plastic bottle embryo slides out of the main pipe.

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