Anti-blocking nozzle for hot runner

Abstract

The utility model relates to the technical field of nozzles, and discloses an anti-blocking nozzle for a hot runner, which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is positioned in front of the main body mechanism, the main body mechanism comprises a nozzle body, a fixed sleeve and a conveying inner sleeve, the fixed sleeve is positioned behind the nozzle body, and the conveying inner sleeve is positioned in front of the fixed sleeve. The conveying inner sleeve is fixedly installed in the fixing sleeve, the main body mechanism further comprises a connecting buckle, a fixing groove and a connecting groove, the connecting buckle is movably installed at the outer end of the nozzle body, and the fixing groove is fixedly formed in the outer end of the fixing sleeve. According to the anti-blocking nozzle for the hot runner, by installing the main body mechanism, in the conveying operation of the nozzle body in the hot runner, a worker can rapidly disassemble and assemble the nozzle body through operation, the worker can conveniently conduct overhaul and maintenance operation on the nozzle body, the disassembly and assembly time of the nozzle body is shortened, and the overhaul efficiency of the nozzle body is improved; and the flexibility and convenience of the nozzle body are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nozzles, in particular to an anti-clogging nozzle for a hot runner. Background Art

[0002] The hot runner is a hot runner system used in injection molds to inject molten plastic into the cavity of the mold. The nozzle is an important component of the hot runner system.

[0003] The existing technical disclosure number CN220242237U patent document provides an anti-clogging nozzle for a hot runner. The advantage of the utility model is that when the device is used, the nozzle head is installed to an applicable position through the installation thread, and then the electric heating column on the installation ring inside the heating groove and the heating chamber is started. The electric heating column is used to heat and increase the temperature, which causes the temperature inside the nozzle head to rise. The temperature rise is used to cause the injection molding material inside the nozzle head to be in a liquid state. The heat is conducted through the heat conductive sheet to make the temperature of the nozzle mouth in a high temperature state. In this way, the nozzle head can be kept in a high temperature state, the injection molding material can be kept in a liquid state, and the nozzle head can be prevented from being blocked.

[0004] However, the existing anti-clogging nozzles for hot runners are not convenient for workers to quickly disassemble and assemble when in use, and the threaded connection method makes the disassembly and assembly of the nozzles more complicated, thereby reducing the maintenance efficiency of the nozzles by workers, and the convenience and practicality are poor. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The utility model aims to provide an anti-clogging nozzle for a hot runner, so as to solve the problem in the above background technology that the existing anti-clogging nozzle for a hot runner is not convenient for workers to quickly disassemble and assemble it when in use.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-clogging nozzle for a hot runner, comprising a main mechanism and an auxiliary mechanism, wherein the auxiliary mechanism is located in front of the main mechanism, and the main mechanism comprises a nozzle body, a fixed sleeve and a conveying inner sleeve, wherein the fixed sleeve is located behind the nozzle body, and the conveying inner sleeve is fixedly installed inside the fixed sleeve;

[0009] The main body mechanism also includes a connecting buckle, a fixing groove and a connecting groove, wherein the connecting buckle is movably mounted on the outer end of the nozzle body, the fixing groove is fixedly arranged on the outer end of the fixing sleeve, the connecting groove is fixedly arranged inside the fixing groove, and the connecting buckle is movably connected to the connecting groove.

[0010] Preferably, the auxiliary mechanism comprises a spray hole and a heating wire, the spray hole is fixedly arranged at the front end of the nozzle body, and the heating wire is fixedly installed at the inner end of the nozzle body.

[0011] Preferably, the auxiliary mechanism further comprises a heat conducting sheet and a heat conducting strip, wherein the heat conducting sheet is fixedly mounted inside the nozzle body, the heat conducting sheet is fixedly connected to the heating wire, and the heat conducting strip is fixedly mounted inside the heat conducting sheet.

[0012] Preferably, the auxiliary mechanism further comprises a thermal insulation board, which is fixedly mounted on the inner end of the nozzle body and is located at the outer end of the heating wire.

[0013] Preferably, the auxiliary mechanism further comprises a positioning groove and a positioning strip, wherein the positioning groove is fixedly arranged at the upper and lower ends of the nozzle body, and the positioning strip is fixedly installed at the upper and lower ends of the conveying inner sleeve.

[0014] Preferably, the auxiliary mechanism further includes a first sealing gasket and a second sealing gasket, wherein the first sealing gasket is fixedly installed inside the nozzle body, and the second sealing gasket is fixedly installed inside the fixed sleeve.

[0015] Preferably, the auxiliary mechanism further comprises a spring and a protective plate, wherein the spring is fixedly mounted inside the fixing groove, the protective plate is fixedly mounted at the lower end of the spring, and the protective plate is slidably connected to the fixing groove.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The anti-clogging nozzle for the hot runner is installed with a main body mechanism, so that the staff can quickly disassemble and assemble the nozzle body during the hot runner conveying operation, which is convenient for the staff to perform maintenance operations, reduces the disassembly and assembly time of the nozzle body, improves the maintenance efficiency of the nozzle body, and improves the flexibility and convenience of the nozzle body;

[0018] 2. The anti-clogging nozzle for the hot runner is installed with an auxiliary mechanism to ensure that when the nozzle body is in use, the design of the heating wire and the heat-conducting strip makes the medium inside the nozzle body heat more evenly, avoiding the solidification and blockage of the medium inside the nozzle body. The design of the first sealing gasket and the second sealing gasket ensures the sealing of the connection of the nozzle body, thereby improving the stability and protection of the use of the nozzle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the nozzle body of the utility model;

[0021] Figure 3 This is a schematic diagram of the three-dimensional structure of the positioning groove of the utility model;

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the auxiliary mechanism of the utility model.

[0023] In the figure: 1. main mechanism; 101. nozzle body; 102. fixing sleeve; 103. conveying inner sleeve; 104. connecting buckle; 105. fixing groove; 106. connecting groove; 2. auxiliary mechanism; 201. spray hole; 202. heating wire; 203. heat conductive sheet; 204. heat conductive strip; 205. thermal insulation board; 206. positioning groove; 207. positioning strip; 208. first sealing gasket; 209. second sealing gasket; 210. spring; 211. protective plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 - Figure 4 The utility model provides a technical solution: an anti-clogging nozzle for a hot runner, comprising a main mechanism 1 and an auxiliary mechanism 2, the auxiliary mechanism 2 is located in front of the main mechanism 1, the main mechanism 1 comprises a nozzle body 101, a fixed sleeve 102 and a conveying inner sleeve 103, the fixed sleeve 102 is located behind the nozzle body 101, and the conveying inner sleeve 103 is fixedly installed inside the fixed sleeve 102;

[0026] The main body mechanism 1 also includes a connecting buckle 104, a fixing groove 105 and a connecting groove 106. The connecting buckle 104 is movably installed on the outer end of the nozzle body 101, the fixing groove 105 is fixedly arranged on the outer end of the fixing sleeve 102, and the connecting groove 106 is fixedly arranged inside the fixing groove 105. The connecting buckle 104 is movably connected with the connecting groove 106. The staff presses the connecting buckle 104 to retract it into the nozzle body 101, and then pushes the nozzle body 101 to make the nozzle body 101 enter the fixing sleeve 102, and the conveying inner sleeve 103 is located inside the nozzle body 101. After the fixing sleeve 102 and the nozzle body 101 are fully connected, the connecting buckle 104 is reset and connected to the connecting groove 106 to complete the assembly of the nozzle body 101. When the nozzle body 101 needs to be repaired and maintained, the staff presses the connecting buckle 104 to separate it from the connecting groove 106, and the nozzle body 101 can be removed for inspection or replacement.

[0027] The auxiliary mechanism 2 includes a nozzle hole 201 and a heating wire 202. The nozzle hole 201 is fixedly arranged at the front end of the nozzle body 101. The heating wire 202 is fixedly installed at the inner end of the nozzle body 101. The auxiliary mechanism 2 also includes a heat conductive sheet 203 and a heat conductive strip 204. The heat conductive sheet 203 is fixedly installed inside the nozzle body 101. The heat conductive sheet 203 is fixedly connected to the heating wire 202. The heat conductive strip 204 is fixedly installed inside the heat conductive sheet 203. The auxiliary mechanism 2 also includes a heat preservation and insulation board 205. The heat preservation and insulation board 205 is fixedly installed inside the nozzle body 101. The auxiliary mechanism 2 further comprises a positioning groove 206 and a positioning strip 207. The positioning groove 206 is fixedly arranged at the upper and lower ends of the nozzle body 101. The positioning strip 207 is fixedly arranged at the upper and lower ends of the conveying inner sleeve 103. The auxiliary mechanism 2 further comprises a first sealing gasket 208 and a second sealing gasket 209. The first sealing gasket 208 is fixedly arranged inside the nozzle body 101. The second sealing gasket 209 is fixedly arranged on the fixed sleeve 103. 02, the auxiliary mechanism 2 also includes a spring 210 and a protective plate 211, the spring 210 is fixedly installed in the fixed groove 105, the protective plate 211 is fixedly installed at the lower end of the spring 210, and the protective plate 211 is slidably connected with the fixed groove 105. In the operation of the hot runner system, the fixed sleeve 102 is fixed to the hot runner equipment by welding or other methods. The staff places the nozzle body 101 in front of the fixed sleeve 102, and makes the positioning strip 207 correspond to the positioning groove 206. The staff The nozzle body 101 is pushed to complete the assembly of the nozzle body 101. The first sealing gasket 208 ensures the sealing of the connection between the nozzle body 101 and the conveying inner sleeve 103. The second sealing gasket 209 ensures the sealing of the connection between the nozzle body 101 and the fixed sleeve 102. The heating wire 202 heats the medium conveyed inside the nozzle body 101. At the same time, the heat conductive sheet 203 conducts the heat to the heat conductive strip 204, so that the medium inside the nozzle body 101 is heated more evenly to avoid the occurrence of medium solidification and blockage.

[0028] Working principle: During the operation of the hot runner system, the fixed sleeve 102 is fixed on the hot runner equipment by welding or other means. The staff places the nozzle body 101 in front of the fixed sleeve 102, and makes the positioning strip 207 correspond to the positioning groove 206. The staff presses the connecting buckle 104 to retract it into the nozzle body 101, and then pushes the nozzle body 101 to make the nozzle body 101 enter the fixed sleeve 102, and the conveying inner sleeve 103 is located inside the nozzle body 101, and the positioning strip 207 is connected to the positioning groove 206. After the fixed sleeve 102 and the nozzle body 101 are fully connected, the connecting buckle 104 is reset and connected to the connecting groove 106 to complete the assembly of the nozzle body 101. The first sealing gasket 208 ensures the sealing of the connection between the nozzle body 101 and the conveying inner sleeve 103, and the second sealing gasket 209 ensures the sealing of the connection between the nozzle body 101 and the fixed sleeve 102. The heating wire 202 heats the medium conveyed inside the nozzle body 101, and at the same time the heat conductive sheet 203 transfers the heat to the heat conductive strip 204, so that the medium inside the nozzle body 101 is heated more evenly to avoid the solidification and blockage of the medium. When the nozzle body 101 needs to be inspected and maintained, the staff pushes the protective plate 211 to compress the spring 210 to expose the connecting groove 106, and then presses the connecting buckle 104 to separate it from the connecting groove 106, and the nozzle body 101 can be removed for inspection or replacement.

[0029] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A hot runner anti-clogging nozzle, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located in front of the main mechanism (1); the main mechanism (1) comprises a nozzle body (101), a fixed sleeve (102) and a conveying inner sleeve (103); the fixed sleeve (102) is located behind the nozzle body (101); and the conveying inner sleeve (103) is fixedly installed inside the fixed sleeve (102); The main body mechanism (1) further comprises a connecting buckle (104), a fixing groove (105) and a connecting groove (106); the connecting buckle (104) is movably mounted on the outer end of the nozzle body (101); the fixing groove (105) is fixedly arranged on the outer end of the fixing sleeve (102); the connecting groove (106) is fixedly arranged inside the fixing groove (105); and the connecting buckle (104) is movably connected to the connecting groove (106).

2. The anti-clogging nozzle for hot runner according to claim 1, characterized in that: The auxiliary mechanism (2) comprises a spray hole (201) and a heating wire (202); the spray hole (201) is fixedly arranged at the front end of the nozzle body (101); and the heating wire (202) is fixedly installed at the inner end of the nozzle body (101).

3. The anti-clogging nozzle for hot runner according to claim 2, characterized in that: The auxiliary mechanism (2) further comprises a heat conducting sheet (203) and a heat conducting strip (204); the heat conducting sheet (203) is fixedly mounted inside the nozzle body (101); the heat conducting sheet (203) is fixedly connected to the heating wire (202); and the heat conducting strip (204) is fixedly mounted inside the heat conducting sheet (203).

4. The anti-clogging nozzle for hot runner according to claim 3, characterized in that: The auxiliary mechanism (2) further comprises a heat-insulating plate (205), wherein the heat-insulating plate (205) is fixedly mounted on the inner end of the nozzle body (101), and the heat-insulating plate (205) is located at the outer end of the heating wire (202).

5. The anti-clogging nozzle for hot runner according to claim 4, characterized in that: The auxiliary mechanism (2) further comprises a positioning groove (206) and a positioning strip (207), wherein the positioning groove (206) is fixedly arranged at the upper and lower ends of the nozzle body (101), and the positioning strip (207) is fixedly installed at the upper and lower ends of the conveying inner sleeve (103).

6. The anti-clogging nozzle for hot runner according to claim 5, characterized in that: The auxiliary mechanism (2) further comprises a first sealing gasket (208) and a second sealing gasket (209), wherein the first sealing gasket (208) is fixedly mounted inside the nozzle body (101), and the second sealing gasket (209) is fixedly mounted inside the fixed sleeve (102).

7. The anti-clogging nozzle for hot runner according to claim 6, characterized in that: The auxiliary mechanism (2) further comprises a spring (210) and a protective plate (211); the spring (210) is fixedly mounted inside the fixing groove (105); the protective plate (211) is fixedly mounted at the lower end of the spring (210); and the protective plate (211) is slidably connected to the fixing groove (105).

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