Injection pipe hot kerosene double-helix runner of rubber injection machine

Abstract

The utility model is applicable to the technical field of rubber injection machines, and provides an injection pipe hot kerosene double-helix runner of a rubber injection machine, which comprises an injection pipe and an injection sleeve, the injection pipe is sleeved inside the injection sleeve and is hermetically welded with two ends of the injection sleeve, one end of the injection sleeve is provided with an oil inlet and an oil outlet, and the other end of the injection sleeve is provided with a hot kerosene inlet and a hot kerosene outlet. A double-spiral assembly is arranged on the end face of the injection pipe and comprises a first spiral groove, a second spiral groove and a flow guide groove, the first spiral groove and the second spiral groove are arranged in a wound and crossed mode, and the head end of the first spiral groove and the head end of the second spiral groove are connected with the oil inlet and the oil outlet respectively; the tail end of the first spiral groove and the tail end of the second spiral groove are provided with the flow guide grooves communicating with the first spiral groove and the second spiral groove correspondingly. Therefore, according to the injection pipe hot kerosene double-helix runner of the rubber injection machine, the injection pipe is convenient to install, and the heat preservation effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber injection machines, in particular to a hot kerosene double helix flow channel of an injection pipe of a rubber injection machine. Background Art

[0002] At present, the injection tubes of injection molding machines in the rubber industry are all single spiral flow channel structures, and the oil ports are opened at both ends of the spiral flow channel. One of the oil ports of the traditional rubber injection molding machine injection tube is embedded in the upper seat of the equipment. When installing, the oil pipe must be connected first before the injection tube can be installed on the equipment, which is very inconvenient. Because the installation space of the injection tube is extremely small and relatively precise, sometimes due to the welding position error, the oil pipe cannot be installed or the oil pipe interferes with other parts during installation.

[0003] The wall thickness of the traditional injection sleeve is about 10mm, which can barely provide a heat preservation effect. However, as the rubber industry has higher requirements for product quality, customers have strict requirements for controlling the temperature of the rubber before injection. Sometimes a large temperature error will cause the product to be scrapped.

[0004] In summary, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0005] In view of the above-mentioned defects, the purpose of the utility model is to provide a hot kerosene double helix flow channel of the injection pipe of a rubber injection machine, which can facilitate the installation of the injection pipe and has a good thermal insulation effect.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a hot kerosene double helix flow channel of a shooting tube of a rubber injection machine, comprising a shooting tube and a shooting sleeve, the shooting tube is sleeved inside the shooting sleeve and is sealed and welded with both ends of the shooting sleeve, one end of the shooting sleeve is provided with an oil inlet and an oil outlet, the end face of the shooting tube is provided with a double helix component, the double helix component comprises a first spiral groove, a second spiral groove and a guide groove, the first spiral groove and the second spiral groove are intertwined and cross-arranged, the first spiral groove and the second spiral groove are connected to the oil inlet and the oil outlet at the head ends respectively, and the first spiral groove and the second spiral groove are provided with the guide groove connecting the first spiral groove and the second spiral groove at the ends respectively.

[0007] According to the hot kerosene double helix flow channel of the injection tube of the rubber injection machine described in the utility model, the tube wall thickness of the injection sleeve is 15 mm.

[0008] According to the hot kerosene double helical flow channel of the injection tube of the rubber injection machine described in the utility model, the depth of the first spiral groove, the second spiral groove and the guide groove are all 8 mm and the width is all 25 mm.

[0009] According to the hot kerosene double helix flow channel of the injection pipe of the rubber injection machine described in the utility model, the guide groove is an annular guide groove.

[0010] According to the hot kerosene double helix flow channel of the injection pipe of the rubber injection machine described in the utility model, the winding angles of the first spiral groove and the second spiral groove are both 360°.

[0011] According to the hot kerosene double helical flow channel of the injection pipe of the rubber injection machine described in the utility model, the starting point of the first spiral groove and the starting point of the second spiral groove are respectively arranged symmetrically at 180 degrees.

[0012] According to the hot kerosene double helix flow channel of the injection tube of the rubber injection machine described in the utility model, the oil inlet and the oil outlet are symmetrically arranged at 180 degrees at one end of the injection sleeve.

[0013] According to the hot kerosene double helix flow channel of the injection tube of the rubber injection machine described in the utility model, a screw interface matching with the screw is arranged on the outer side of the injection sleeve.

[0014] According to the hot kerosene double helix flow channel of the injection pipe of the rubber injection machine described in the utility model, the materials of the injection pipe and the injection sleeve are both steel.

[0015] According to the double helical flow channel of hot kerosene in the injection pipe of the rubber injection machine described in the utility model, the oil inlet and the oil outlet are both threaded ports.

[0016] The utility model provides a hot kerosene double helix flow channel of a material injection tube of a rubber injection machine, including a material injection tube and a material injection sleeve, one end of the material injection sleeve is provided with an oil inlet and an oil outlet, the end face of the material injection tube is provided with a double helix component, the material injection tube is sleeved inside the material injection sleeve and sealed and welded with both ends of the material injection sleeve, the oil inlet, the oil outlet and the double helix component of the material injection tube form a flow channel loop, the oil inlet and the oil outlet are arranged at one end of the material injection sleeve, and the material injection tube does not interfere with other parts during installation, and the installation is convenient. Preferably, the wall thickness of the material injection sleeve is set to 15 mm, which is more heat-insulating. By this, the hot kerosene double helix flow channel of the material injection tube of the rubber injection machine of the utility model realizes that the material injection tube is easy to install and has a good heat-insulating effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the injection sleeve of the hot kerosene double spiral flow channel of the injection pipe of the rubber injection machine provided by the utility model;

[0018] Figure 2 It is a structural schematic diagram of a rubber injection machine's injection tube with hot kerosene double helical flow channel provided by the utility model;

[0019] Figure 3It is a structural schematic diagram of a hot kerosene double helix flow channel of an injection pipe of a rubber injection machine provided by the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the assembly process of the injection sleeve and the injection tube of the hot kerosene double spiral flow channel of the injection tube of the rubber injection machine provided by the utility model;

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the assembled injection sleeve and injection tube of the injection tube hot kerosene double spiral flow channel of the rubber injection machine provided by the utility model;

[0022] Figure 6 It is a structural schematic diagram of the connection process of the double helix assembly of the hot kerosene double helix flow channel of the injection pipe of the rubber injection machine provided by the utility model;

[0023] Figure 7 The utility model is a structural schematic diagram of a rubber injection machine provided by the utility model in which double helix components of a hot kerosene double helix flow channel of an injection pipe are connected. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] like Figures 1 to 5 As shown, the utility model provides a hot kerosene double helix flow channel 100 of a material injection tube of a rubber injection machine, comprising a material injection tube 1 and a material injection sleeve 2, wherein the material injection tube 1 is sleeved inside the material injection sleeve 2 and is sealed and welded to both ends of the material injection sleeve 2, an oil inlet 21 and an oil outlet 22 are provided at one end of the material injection sleeve 2, and a double helix component 11 is provided on the end face of the material injection tube 1, and the outer wall of the material injection tube 1 is tightly fitted and assembled with the inner wall of the material injection sleeve 2 in the area outside the double helix component 11, so as to form a relatively sealed double helix component 11, as shown in FIG. Figures 6-7As shown, the double spiral component 11 includes a first spiral groove 111, a second spiral groove 112 and a guide groove 113. The first spiral groove 111 and the second spiral groove 112 are intertwined and arranged crosswise. The first spiral groove 111 and the second spiral groove 112 are connected to the oil inlet 21 and the oil outlet 22 at their head ends, and the first spiral groove 111 and the second spiral groove 112 are connected to the guide groove 113 at their ends. When working, the hot coal After the oil flows in from the oil inlet 21 of the shooting sleeve 2, it passes through the double helix component 11 of the shooting tube 1, and finally the hot kerosene flows out from the oil outlet 22, forming a flow channel loop. The hot kerosene and the rubber bag material in the shooting tube 1 realize heat flash exchange, and the heat preservation effect is good, so as to achieve the circulation heating and cooling of the hot kerosene. At the same time, the oil inlet 21 and the oil outlet 22 of the shooting sleeve 2 are arranged on the same side of the shooting sleeve 2. When the oil inlet 21 and the oil outlet 22 of the shooting sleeve 2 are installed with the oil pipe, the shooting tube 1 does not interfere with other components, so the installation of the shooting tube 1 is convenient.

[0026] Preferably, the wall thickness of the injection sleeve 2 is 15 mm, the temperature of the hot kerosene is accurately controlled, and it has a good heat preservation effect, and the temperature of the product will not be too high or too low before vulcanization.

[0027] Preferably, if Figures 6-7 As shown, the first spiral groove 111, the second spiral groove 112 and the guide groove 113 are all 8 mm in depth and 25 mm in width, and the hot kerosene can flow quickly between the first spiral groove 111, the second spiral groove 112 and the guide groove 113 to prevent the hot kerosene from being soaked for a long time and damaging the shooting sleeve 2 and the shooting tube 1.

[0028] Preferably, the guide groove 113 is an annular guide groove 113, and the ends of the first spiral groove 111 and the second spiral groove 112 are respectively connected to the annular guide groove 113. After the hot kerosene flows in from the oil inlet 21 of the shooting sleeve 2, it passes through the first spiral groove 111, the annular guide groove 113 and the second spiral groove 112 of the shooting tube 1 in sequence, and finally the hot kerosene flows out from the oil outlet 22 to form a flow channel loop. The hot kerosene and the rubber bag material in the shooting tube 1 realize heat flash exchange, and the thermal insulation effect is good, so as to achieve cyclic heating and cooling of the hot kerosene. At the same time, the oil inlet 21 and the oil outlet 22 of the shooting sleeve 2 are simultaneously arranged on the same side of the shooting sleeve 2. When the oil inlet 21 and the oil outlet 22 of the shooting sleeve 2 are installed with the oil pipe, the shooting tube 1 does not interfere with other components, which facilitates the installation of the shooting tube 1.

[0029] Preferably, the winding angles of the first spiral groove 111 and the second spiral groove 112 are both 360°, so that the first spiral groove 111 and the second spiral groove 112 and the guide groove 113 form a flow path loop.

[0030] Preferably, the starting point of the first spiral groove 111 and the starting point of the second spiral groove 112 are respectively arranged symmetrically at 180°.

[0031] Preferably, the oil inlet 21 and the oil outlet 22 are symmetrically arranged at 180° at one end of the injection sleeve 2 , so that the oil inlet 21 is in communication with the first spiral groove 111 , and the oil outlet 22 is in communication with the second spiral groove 112 .

[0032] Preferably, a threaded interface matching the screw is provided on the outside of the shooting sleeve 2, the shooting sleeve 2 is welded to the shooting tube 1 as a whole, and the screw is screwed to other parts through the threaded interface on the outside of the shooting sleeve 2 to fix the shooting tube 1 and the shooting sleeve 2 to other parts.

[0033] Preferably, the materials of the shooting tube 1 and the shooting sleeve 2 are both steel. The steel type used by the shooting tube 1 is 4Cr5MoSiV1, MAC24 or 45#, and the steel type used by the shooting sleeve 2 is Q235 or 35#.

[0034] Preferably, the oil inlet 21 and the oil outlet 22 are both threaded ports, and the threaded ports adopt 1 / 2" PT threads, and the oil pipes are threadedly connected to the oil inlet 21 and the oil outlet 22 respectively.

[0035] In summary, the utility model provides a hot kerosene double helix flow channel for a rubber injection machine, including a shot tube and a shot sleeve, one end of the shot sleeve is provided with an oil inlet and an oil outlet, the end face of the shot tube is provided with a double helix component, the shot tube is sleeved inside the shot sleeve and sealed and welded with both ends of the shot sleeve, the oil inlet, the oil outlet and the double helix component of the shot tube form a flow channel loop, the oil inlet and the oil outlet are provided at one end of the shot sleeve, and the shot tube does not interfere with other parts during installation, and the installation is convenient. Preferably, the wall thickness of the shot sleeve is set to 15 mm, which is more heat-insulating. By this, the hot kerosene double helix flow channel for the shot tube of the rubber injection machine of the utility model realizes that the shot tube is easy to install and has a good heat-insulating effect.

[0036] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A hot kerosene double helix flow channel of a rubber injection machine, characterized in that: It includes a shooting tube and a shooting sleeve, the shooting tube is sleeved inside the shooting sleeve and sealed and welded to both ends of the shooting sleeve, one end of the shooting sleeve is provided with an oil inlet and an oil outlet, the end face of the shooting tube is provided with a double helix component, the double helix component includes a first spiral groove, a second spiral groove and a guide groove, the first spiral groove and the second spiral groove are intertwined and cross-arranged, the first spiral groove and the second spiral groove are connected to the oil inlet and the oil outlet at their head ends, and the first spiral groove and the second spiral groove are provided with the guide groove connecting the first spiral groove and the second spiral groove at their ends.

2. The hot kerosene double helix flow channel of the injection tube of the rubber injection machine according to claim 1, characterized in that: The wall thickness of the injection sleeve is 15 mm.

3. The hot kerosene double helix flow channel of the injection tube of the rubber injection machine according to claim 1, characterized in that: The first spiral groove, the second spiral groove and the guide groove are all 8 mm in depth and 25 mm in width.

4. The hot kerosene double helix flow channel of the injection tube of the rubber injection machine according to claim 1, characterized in that: The guide groove is an annular guide groove.

5. The hot kerosene double helix flow channel of the injection tube of the rubber injection machine according to claim 1, characterized in that: The winding angles of the first spiral groove and the second spiral groove are both 360°.

6. The hot kerosene double helix flow channel of the injection tube of the rubber injection machine according to claim 1, characterized in that: The starting point of the first spiral groove and the starting point of the second spiral groove are respectively arranged symmetrically at 180°.

7. The hot kerosene double helix flow channel of the injection tube of the rubber injection machine according to claim 1, characterized in that: The oil inlet and the oil outlet are symmetrically arranged at 180 degrees at one end of the injection sleeve.

8. The hot kerosene double helix flow channel of the injection tube of the rubber injection machine according to claim 1, characterized in that: The outer side of the injection sleeve is provided with a screw interface matching with the screw.

9. The hot kerosene double helix flow channel of the injection tube of the rubber injection machine according to claim 1, characterized in that: The material of the injection tube and the injection sleeve are both steel.

10. The hot kerosene double helix flow channel of the injection tube of the rubber injection machine according to any one of claims 1 to 9, characterized in that: The oil inlet and the oil outlet are both threaded ports.

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