Injection mold for easy maintenance of flow channel

Abstract

The present invention provides an injection mold for facilitating the maintenance of a flow channel, relates to the technical field of processing molds, and comprises: a main body component; the main body component comprises a main board, a slot and a mounting hole, the main board is symmetrically arranged in two groups, and a rectangular groove is opened inside the main board, when the flow channel pipe needs to be dredged and maintained, by rotating the joint, the pipe body can be adjusted at a fixed angle on the front side of the joint, the flow channel pipe on the bottom side is rotated to a position on one side, and then the flow channel pipe next to it is rotated to the lowest side for use, so that the flow channel pipe can be quickly replaced, and no extra time is spent on disassembling it, which solves the problem that the flow channels of existing injection molds are mostly fixedly installed, so when maintaining them, it takes a certain amount of time to disassemble and replace them, which takes up processing time, thereby reducing the processing efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of processing molds, and in particular to an injection mold which is convenient for maintaining a flow channel. Background Art

[0002] The injection molding process is the process of melting the injection plastic and injecting it into the mold to form a part with a specific shape. The injection mold runner is a channel used to transport liquid injection plastic to the mold. It is widely used in various injection molds. The injection molding machine transports liquid plastic into the mold through the runner to complete the injection molding of the workpiece. However, there are some shortcomings in the current injection mold design. The runner of the injection mold is mostly fixed. Therefore, when maintaining it, it takes a certain amount of time to disassemble and replace it, which will take up processing time and reduce processing efficiency. Summary of the invention

[0003] In view of the above problems, the present invention proposes an injection mold that is easy to maintain the runner, which can improve the efficiency of replacing the runner of the injection mold, facilitate its disassembly and maintenance, and shorten the time used for replacing the runner.

[0004] According to a first aspect of the present disclosure, there is provided an injection mold for facilitating the maintenance of a flow channel, specifically comprising: a main body component; the main body component comprises a main board, a slot and a mounting hole, the main board is symmetrically arranged in two groups, and a rectangular groove is provided inside the main board; the slot is provided in the inner wall of the main board; the mounting holes are symmetrically provided in the middle position of the front side of the main board; a connecting component is provided on the main body component, a joint of the connecting component is provided on the front side of the main board, and a circular tube on the rear side of the joint extends to the inner side of the main board, the circular tube is connected to the injection hole on the mold core inside the main board, and the plug rod outside the joint is inserted into the mounting hole in the bottom main board, and the engaging groove in the plug rod engages with the top rod inside the main board; the connecting component is provided with There is a storage component, which includes a tube body and a flow channel tube; the tube body is rotatably installed on the front side of the joint, and the rear end face of the tube body fits with the front side of the joint, a circular through groove is opened in an annular shape inside the tube body, and the feeding hole on the external assembly of the tube body and the circular hole at the front end of the connecting groove inside the joint are on the same axis, and the serrated structure on the external rotating part of the tube body is engaged with the serrated structure outside the joint; the flow channel tube is inserted into the circular through groove in the tube body, and the bottommost flow channel tube is connected with the front end of the connecting groove; a sleeve component is provided on the storage component, and the sleeve of the sleeve component is sleeved on the outside of the tube body, and an elastic component is provided between the sleeve and the tube body, and the front side of the sleeve covers the rear end of the assembly.

[0005] Optionally, the main body component includes: a movable groove and a push rod; the movable groove is opened on the inner side of the main board, and the movable groove is connected to the bottom of the mounting hole; the push rod is slidably installed in the movable groove through an elastic member, and both sides of the push rod extend from the movable groove.

[0006] Optionally, the main body component includes: a limit plate and a docking block; the limit plate is arranged on the external front side of the main board; the docking block is symmetrically arranged at both ends of the rear side of the limit plate, and the docking block is slidably connected to the main board through an elastic member, and the rear end of the docking block extends into the rectangular groove in the main board.

[0007] Optionally, the main body component includes: a mold core and a docking groove; the mold core is inserted into a rectangular groove in the main board; the docking groove is symmetrically arranged on both sides of the outside of the mold core, and the docking groove is plugged into and matched with the docking block.

[0008] Optionally, the main body components include: a guide plate and a mounting plate; the guide plates are located at the two outer ends of the bottom main board, and the guide plates are plugged into the slots, and a circular guide rod is fixedly installed on the top of the guide plate; the mounting plate is plugged into the slots in the top main board, and the two sides of the mounting plate extend out from the slots, and the mounting plate slides with the circular guide rods on the guide plate.

[0009] Optionally, the connecting component includes: a joint, a connecting groove and a leakage groove; a serrated structure is provided in a ring shape at the outer edge of the front side of the joint; the connecting groove is provided inside the joint, and the front side of the connecting groove penetrates the joint through a circular hole, and the rear side of the connecting groove is connected to the circular tube at the rear end of the joint; the leakage groove is provided at a position above the inside of the joint.

[0010] Optionally, the connecting component includes: an insertion rod and a locking groove; the insertion rod is symmetrically arranged at the rear lower end of the joint; and the locking groove is opened at the bottom side of the insertion rod.

[0011] Optionally, the storage component includes: a movable groove and a rotating part; the movable grooves are equidistantly arranged at the outer end of the rear side of the tube body; the rotating part is slidably installed at the outer end of the rear side of the tube body through an elastic part, and the inner side of the rotating part slides in cooperation with the movable groove, the rotating part can only slide forward and backward on the rear side of the tube body, and a serrated structure is provided in a ring shape at the outer edge of the rear side of the rotating part.

[0012] Optionally, the storage component includes: a splicing piece and a material feeding hole; the splicing piece is spliced ​​at the two ends of the front side of the tube body, and circular through holes are opened at both ends of the splicing piece; the material feeding hole is opened at the inner bottom of the splicing piece, and the material feeding hole is connected to the flow channel tube on the bottom side of the tube body.

[0013] Optionally, the sleeve component includes: a sleeve and a power line; the sleeve is a cylindrical structure, and a heating coil is provided inside the sleeve; the power line is provided outside the sleeve, and the power line is electrically connected to the heating coil inside the sleeve.

[0014] The present invention provides an injection mold that is convenient for maintaining a flow channel, which has the following beneficial effects:

[0015] 1. The present invention is provided with a connecting component and a storage component, a plug-in connector is fixed on the front side of the main board, the tube body is rotated and installed to the front side of the connector, and the flow tube is equidistantly inserted inside the tube body, and a rotating part is slidably installed on the outer end of the rear side of the tube body, and the serrated structure on the rotating part is engaged with the serrated structure on the connector. During the material feeding process, only the flow tube on the bottom side is involved in the work. When the flow tube needs to be dredged and maintained, the tube body can be adjusted at a fixed angle on the front side of the connector by rotating the connector, and the flow tube on the bottom side is rotated to one side, and then the flow tube next to it is rotated to the lowest side for use. In this way, the flow tube can be quickly replaced, and there is no need to spend extra time to disassemble it.

[0016] 2. The present invention provides a connecting component and a storage component, and installs a joint on the front side of the main board, so that the insertion rod on the joint is inserted into the installation hole, and the engaging groove on the insertion rod is engaged with the ejector rod in the main board, and two groups of splicing parts are provided on the front side of the tube body, and the splicing parts are sleeved on the nozzle of the injection molding machine, and the sleeve is slid forward to cover the two groups of splicing parts, so that the splicing parts are clamped on the nozzle of the injection molding machine. When the overall feeding device needs to be maintained, the ejector rod is pressed downward to disengage the ejector rod from the engaging groove, so that the joint can be pulled off the front end of the main board, and the sleeve is slid backward to disengage the sleeve from the splicing part. After the splicing part loses its limit, it is separated from the nozzle, so that the entire feeding device can be quickly removed from the injection molding machine and the mold.

[0017] 3. The present invention is provided with a connecting component and a storage component, a tube body is rotatably installed on the front side of the joint, an arc-shaped leakage groove is opened at the upper end of the joint, and a flow tube for conveying liquid plastic is inserted into the inside of the tube body. When the flow tube needs to be unblocked and maintained, the tube body is rotated to rotate the flow tube that needs to be unblocked and maintained to the upper end of the tube body, and then the flow tube can be pulled out of the tube body through the leakage groove, which makes it easy to disassemble and maintain it.

[0018] 4. The present invention provides a sleeve component, a sleeve is sleeved on the outer end of the tube body, and a heating coil connected to a power line is provided in the sleeve. When in use, the heating coil is energized through the power line to heat the inner side of the sleeve and evenly heat the tube body, thereby preventing the liquid plastic from solidifying due to thermal attenuation when flowing through the flow channel tube, thereby affecting the injection molding process of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following drawings will provide a better understanding of the present disclosure and more clearly demonstrate the advantages of the present disclosure. The drawings described herein are for illustrative purposes only of selected embodiments, not all possible implementations, and are not intended to limit the scope of the present disclosure.

[0020] In the attached picture:

[0021] Figure 1 A schematic diagram of a three-dimensional structure according to an embodiment of the present invention is shown.

[0022] Figure 2 A schematic diagram of the three-dimensional structure of a main body component and a connecting component according to an embodiment of the present invention is shown.

[0023] Figure 3 A schematic cross-sectional structure diagram of a main body component and a connecting component according to an embodiment of the present invention is shown.

[0024] Figure 4 A schematic diagram of a split structure according to an embodiment of the present invention is shown.

[0025] Figure 5 A schematic diagram of the connection structure between the rear side of a storage component and a connection component according to an embodiment of the present invention is shown.

[0026] Figure 6 A schematic cross-sectional structure diagram of the rear side of a storage component and a connecting component according to an embodiment of the present invention is shown.

[0027] Figure 7 A schematic cross-sectional structure diagram of the front side of a storage component and a sleeve component according to an embodiment of the present invention is shown.

[0028] Figure 8 A schematic diagram of the connection structure between a main body component and a connection component according to an embodiment of the present invention is shown.

[0029] Fig. 9 A schematic diagram of a side cutaway structure of a main body component according to an embodiment of the present invention is shown.

[0030] Reference numerals list

[0031] 1. Main parts;

[0032] 101, mainboard; 1011, slot; 1012, mounting hole;

[0033] 102, movable slot; 1021, ejector rod;

[0034] 103, limit plate; 1031, docking block;

[0035] 104, mold core; 1041, docking groove;

[0036] 105. guide plate; 106. mounting plate;

[0037] 2. Connecting parts;

[0038] 201, joint; 2011, connecting groove; 2012, drain groove;

[0039] 202, an insertion rod; 2021, a locking groove;

[0040] 3. Storage components;

[0041] 301. Pipe body; 3011. Flow pipe;

[0042] 302, moving slot; 3021, rotating member;

[0043] 303, assembly parts; 3031, feed hole;

[0044] 4. Socket parts;

[0045] 401. Sleeve; 402. Electrical wire. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0047] Example 1: Please refer to Figures 1 to 9 As shown:

[0048] The present invention provides an injection mold for facilitating the maintenance of a flow channel, comprising: a main body component 1; the main body component 1 comprises a main board 101, a slot 1011 and a mounting hole 1012, the main board 101 is symmetrically provided with two groups, and a rectangular groove is provided inside the main board 101; the slot 1011 is provided in the inner wall of the main board 101; the mounting hole 1012 is symmetrically provided in the middle position of the front side of the main board 101; a connecting component 2 is provided on the main body component 1, a joint 201 of the connecting component 2 is provided on the front side of the main board 101, and a circular tube on the rear side of the joint 201 extends to the inner side of the main board 101, the circular tube is connected with the injection hole on the mold core 104 inside the main board 101, and the plug rod 202 outside the joint 201 is plugged into the mounting hole 1012 in the bottom main board 101, and the engaging groove 2021 in the plug rod 202 is engaged with the ejector rod 1021 inside the main board 101; a storage component 3 is provided on the connecting component 2, the storage Component 3 includes a tube body 301 and a flow channel tube 3011; the tube body 301 is rotatably mounted on the front side of the joint 201, and the rear end face of the tube body 301 is in contact with the front side of the joint 201, a circular through groove is provided in an annular shape inside the tube body 301, and the feeding hole 3031 on the external assembly 303 of the tube body 301 and the circular hole at the front end of the connecting groove 2011 inside the joint 201 are on the same axis, and the rotating part 3021 on the external rotation part 3021 of the tube body 301 The serrated structure is engaged with the serrated structure on the outside of the joint 201; the flow channel tube 3011 is inserted into the circular through groove in the tube body 301, and the flow channel tube 3011 on the bottom side is connected to the front end of the connecting groove 2011; a sleeve component 4 is provided on the storage component 3, and a sleeve 401 of the sleeve component 4 is sleeved on the outside of the tube body 301, and an elastic member is provided between the sleeve 401 and the tube body 301, and the front side of the sleeve 401 covers the rear end of the splicing component 303.

[0049] As the second embodiment of the present application, based on the first embodiment, Figure 2 , 8As shown in Figure 9, the main body component 1 includes: a movable groove 102 and a push rod 1021; the movable groove 102 is opened on the inner side of the main board 101, and the movable groove 102 is connected to the bottom of the mounting hole 1012; the push rod 1021 is slidably installed in the movable groove 102 through an elastic member, and both sides of the push rod 1021 extend from the movable groove 102; a limit plate 103 and a docking block 1031; the limit plate 103 is arranged on the outer front side of the main board 101; the docking block 1031 is symmetrically arranged at both ends of the rear side of the limit plate 103, and the docking block 1031 is slidably connected to the main board 101 through the elastic member, and the rear end of the docking block 1031 extends into the rectangular groove in the main board 101; the mold core 1 04 and docking groove 1041; the mold core 104 is inserted into the rectangular groove in the main board 101; the docking groove 1041 is symmetrically opened on both sides of the outside of the mold core 104, and the docking groove 1041 is plugged into and matched with the docking block 1031; the guide plate 105 and the mounting plate 106; the guide plate 105 is located at both ends of the outside of the bottom main board 101, and the guide plate 105 is plugged into and matched with the slot 1011, and a circular guide rod is fixedly installed on the top of the guide plate 105; the mounting plate 106 is inserted into the slot 1011 in the top main board 101, and both sides of the mounting plate 106 extend out of the slot 1011, and the mounting plate 106 slides with the circular guide rod on the guide plate 105.

[0050] The present invention provides a rectangular main board 101, so that the mold core 104 can be installed in the main board 101 for injection molding; a rectangular slot 1011 is provided, and the guide plate 105 or the mounting plate 106 is inserted into the slot 1011, so that the guide plate 105 and the mounting plate 106 can be fixed on both sides of the main board 101; a circular mounting hole 1012 is provided, and the connector 201 can be fixed on the front side of the main board 101 by inserting the insertion rod 202 into the mounting hole 1012; a rectangular movable groove 102 is provided, and the ejector rod 1021 can be slidably installed to the front inner end of the main board 101; a rectangular ejector rod 1021 is provided, and after the insertion rod 202 is inserted into the mounting hole 1012, the ejector rod 1021 is engaged with the engaging groove 2021 on the bottom side of the insertion rod 202, so that the insertion rod 202 can be fixed in the mounting hole 1012; a rectangular limiting plate 103 is provided, and the two sides of the limiting plate 103 can be fixed. A docking block 1031 is installed on the side, and by pulling the limit plate 103, the docking block 1031 can be driven to move on the main board 101; a docking block 1031 with a wedge-shaped structure on the rear side is set, and the mold core 104 can be fixed inside the main board 101 by plugging the docking block 1031 into the docking groove 1041 of the mold core 104; the mold core 104 is set, and the mold core 104 can be injection molded through the mold core 104; a rectangular docking groove 1041 is set, and the mold core 104 can be fixed inside the main board 101 by plugging the docking block 1031 in the docking groove 1041; a rectangular guide plate 105 is set, so that the top main board 101 can slide on the upper end of the bottom main board 101 along the circular rod on the guide plate 105; a rectangular mounting plate 106 is set, and the mounting plate 106 is slidably matched with the circular rod on the guide plate 105, so that the upper main board 101 can slide on the top of the lower main board 101.

[0051] As the third embodiment of the present application, based on the first embodiment, Figure 5 and 6 As shown, the connecting component 2 includes: a joint 201, a connecting groove 2011 and a leakage groove 2012; a serrated structure is provided in a ring shape at the outer edge of the front side of the joint 201; the connecting groove 2011 is provided inside the joint 201, and the front side of the connecting groove 2011 penetrates the joint 201 through a circular hole, and the rear side of the connecting groove 2011 is connected to the circular tube at the rear end of the joint 201; the leakage groove 2012 is provided at a position above the inside of the joint 201; an insertion rod 202 and a snap-fit ​​groove 2021; the insertion rod 202 is symmetrically arranged at the lower end of the rear side of the joint 201; the snap-fit ​​groove 2021 is provided at a position on the bottom side of the insertion rod 202.

[0052] The present invention provides a circular plate-shaped joint 201, so that the tube body 301 can be rotatably installed on the front side of the main board 101 through the joint 201; a Z-shaped connecting groove 2011 is provided, so that the liquid plastic in the flow tube 3011 can be transported to the mold core 104 through the connecting groove 2011; an arc-shaped leakage groove 2012 is provided, so that the flow tube 3011 at the upper end can be drawn out from the tube body 301 through the leakage groove 2012; a cylindrical insertion rod 202 is provided, and the joint 201 can be fixed to the main board 101 by inserting the insertion rod 202 into the inside of the main board 101; a rectangular snap-fitting groove 2021 is provided, and the insertion rod 202 can be fixed in the installation hole 1012 by plugging the snap-fitting groove 2021 with the top rod 1021.

[0053] As the fourth embodiment of the present application, based on the first embodiment, Figures 5 to 7 As shown, the storage component 3 includes: a movable groove 302 and a rotating member 3021; ​​the movable groove 302 is equidistantly arranged at the outer end of the rear side of the tube body 301; the rotating member 3021 is slidably installed at the outer end of the rear side of the tube body 301 through an elastic member, and the inner side of the rotating member 3021 is slidably matched with the movable groove 302, the rotating member 3021 can only slide forward and backward on the rear side of the tube body 301, and a serrated structure is provided in a ring shape at the outer edge of the rear side of the rotating member 3021; ​​a splicing member 303 and a feeding hole 3031; the splicing member 303 is spliced ​​at the two ends of the front side of the tube body 301, and circular through holes are provided at both ends of the splicing member 303; the feeding hole 3031 is provided at the inner bottom of the splicing member 303, and the feeding hole 3031 is connected to the flow channel 3011 on the bottom side of the tube body 301.

[0054] The present invention can install multiple groups of flow channel tubes 3011 on the tube body 301 at one time by setting a cylindrical tube body 301; the flow channel tube 3011 is set, and the liquid plastic sprayed by the injection molding machine can be transported to the mold core 104 through the flow channel tube 3011; the moving groove 302 is set, and the rotating member 3021 can slide on the rear side of the tube body 301 along the moving groove 302; the annular rotating member 3021 is set, and the tube body 301 can be rotated at the front end of the joint 201 by rotating the rotating member 3021; ​​the splicing member 303 is set, and the front side of the tube body 301 can be fixed to the nozzle of the injection molding machine through the splicing member 303; the circular feeding hole 3031 is set, and the plastic sprayed by the injection molding machine can be transported to the bottom side of the flow channel tube 3011 through the feeding hole 3031.

[0055] In the present disclosure, Figure 7As shown, the sleeve component 4 includes: a sleeve 401 and a power line 402; the sleeve 401 is a cylindrical structure, and a heating coil is provided inside the sleeve 401; the power line 402 is provided outside the sleeve 401, and the power line 402 is electrically connected to the heating coil inside the sleeve 401; the sleeve 401 is provided, and the heating coil is provided inside the sleeve 401, so that when the heating coil is energized, the heating coil can heat up the flow tube 3011 in the tube body 301, thereby ensuring that the liquid plastic in the flow tube 3011 will not solidify; the power line 402 is provided, and the power line 402 is electrically connected to the heating coil in the sleeve 401, so that when in use, the power line 402 can supply power to the heating coil.

[0056] The specific usage and function of this embodiment are as follows:

[0057] In the present invention, Figures 1 to 9As shown, a limiting plate 103 with a docking block 1031 is provided on the front side of the main board 101, and the two groups of mold cores 104 are respectively installed inside the two groups of main boards 101, and the docking block 1031 is engaged with the docking groove 1041 of the mold core 104, so that the mold core 104 is fixed in the main board 101, and the connector 201 is installed to the front end of the bottom main board 101, so that the insertion rod 202 is inserted into the installation hole 1012, and then the top rod 1021 is engaged with the engaging groove 2021 to limit the insertion rod 202, so that the connector 201 is fixed to the front end of the main board 101, and the tube body 301 is rotated and installed on the front side of the connector 201, so that the connection between the connector 201 and the tube body 301 fits, and Insert the flow channel tube 3011 inside the tube body 301, install the assembly 303 to the front side of the tube body 301, so that the assembly 303 is buckled on the nozzle of the injection molding machine, install the sleeve 401 on the outside of the tube body 301, push the sleeve 401 to the front end, cover the sleeve 401 on the outside of the two groups of assembly 303, so that the assembly 303 is limited and fixed on the nozzle of the injection molding machine, and install bolts on the outer end of the assembly 303. The bolts are tightened against the outside of the nozzle to increase the stability of the assembly 303. When the injection molding machine sprays liquid plastic, rotate the rotating part 3021 to rotate the flow channel tube 3011 to be used to the bottom position of the tube body 301. The rotating part 3021 rotates a distance of the sawtooth teeth each time. , the flow channel tube 3011 in the tube body 301 can move a distance of a station. After the rotation is completed, the two ends of the flow channel tube 3011 at the bottom are connected with the connecting groove 2011 and the feeding hole 3031 respectively, so that the liquid plastic will not overflow when flowing through, and the liquid plastic enters the flow channel tube 3011 at the bottom of the tube body 301 through the feeding hole 3031. After the tube body 301 and the flow channel tube 3011 are heated by the sleeve 401, the internal temperature will be higher than the outside, so that the liquid plastic passing through the flow channel tube 3011 will not condense and solidify, and the liquid plastic enters the connecting groove 2011 through the flow channel tube 3011, and is then input into the mold core 104 through the circular tube on the rear side of the joint 201, thereby completing the injection molding of the workpiece. During plastic processing, when the flow tube 3011 at the bottom side needs to be replaced, the rotating part 3021 is rotated so that the rotating part 3021 moves backward under the cooperation of the serrated structure, and drives the tube body 301 to rotate during the backward movement, and the flow tube 301 at the bottom side is rotated to the side end by rotating the tube body 301, so that the flow tube 3011 at the side end is rotated to the lowest side for use, and when the flow tube 3011 needs to be maintained, the tube body 301 is rotated to move the flow tube 3011 that needs to be maintained to the top side of the tube body 301, and then the flow tube 3011 is pulled out from the front side of the tube body 301 through the leakage groove 2012, so that the flow tube 3011 can be quickly disassembled for maintenance.

[0058] In this article, there are a few points to note:

[0059] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0060] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0061] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. An injection mold that is convenient for maintaining a flow channel, comprising: A main body component (1); the main body component (1) comprises a main board (101), a slot (1011), a mounting hole (1012), a movable groove (102), a push rod (1021) and a mold core (104); the main board (101) is symmetrically arranged with two groups, and a rectangular groove is provided inside the main board (101); the slot (1011) is provided in the inner wall of the main board (101); the mounting hole (1012) is symmetrically provided in the middle position of the front side of the main board (101); it is characterized in that the movable groove (102) is provided on the inner side of the main board (101), and the movable groove (102) is connected to the bottom of the mounting hole (1012); the push rod (1021) is slidably installed in the movable groove (102) through an elastic member The main body (101) is provided with a connecting component (2), the connecting component (2) comprising a joint (201), a connecting groove (2011), a drain groove (2012), an inserting rod (202) and a locking groove (2021); a sawtooth structure is provided in a ring-shaped manner at the outer edge of the front side of the joint (201); the joint (201) is provided at the front side of the main body (101), and a circular tube at the rear side of the joint (201) extends to the inner side of the main body (101), and the circular tube is connected to the injection hole on the mold core (104) inside the main body (101); the connecting groove (2011) is provided at the joint (2011) and the connecting groove (2012) is provided at the front side of the main body (101). The connecting groove (2011) is provided at the inside of the connector (201), and the front side of the connecting groove (2011) passes through the connector (201) through a circular hole, and the rear side of the connecting groove (2011) is connected to the circular tube at the rear end of the connector (201); the leakage groove (2012) is provided at a position above the inside of the connector (201); the insertion rod (202) is symmetrically provided at the lower end of the rear side of the connector (201), and the insertion rod (202) is inserted into the mounting hole (1012) in the bottom main board (101); the engaging groove (2021) is provided at a position on the bottom side of the insertion rod (202), and the engaging groove (2021) is engaged with the top rod (1021) inside the main board (101); the connecting component (2) is provided with a storage component (3), and the storage component (3) comprises a tube body (301), a flow The pipe body (301) is rotatably mounted on the front side of the joint (201), and the rear end face of the pipe body (301) is in contact with the front side of the joint (201); a circular through groove is provided in an annular shape inside the pipe body (301), and a material delivery hole (3031) on the external assembly (303) of the pipe body (301) and a circular hole at the front end of the connecting groove (2011) inside the joint (201) are located on the same axis; the flow pipe (3011) is inserted into the circular through groove in the pipe body (301), and the bottommost flow pipe (3011) is connected to the front end of the connecting groove (2011); the moving groove (302) is equidistantly provided at the rear outer end of the pipe body (301);The rotating member (3021) is slidably mounted on the rear outer end of the tube body (301) via an elastic member, and the inner side of the rotating member (3021) is slidably matched with the moving groove (302), the rotating member (3021) can only slide forward and backward on the rear side of the tube body (301), and a sawtooth structure is provided in an annular shape at the outer edge of the rear side of the rotating member (3021), and the sawtooth structure on the rotating member (3021) is engaged with the sawtooth structure on the outside of the joint (201); the storage component (3) is provided with a sleeve component (4), the sleeve (401) of the sleeve component (4) is sleeved on the outside of the tube body (301), an elastic member is provided between the sleeve (401) and the tube body (301), and the front side of the sleeve (401) covers the rear end of the splicing component (303). ; 2. The injection mold for easy maintenance of flow channel according to claim 1, characterized in that: The main body component (1) comprises: a limit plate (103) and a docking block (1031); the limit plate (103) is arranged on the external front side of the main board (101); the docking block (1031) is symmetrically arranged at both ends of the rear side of the limit plate (103), and the docking block (1031) is slidably connected to the main board (101) via an elastic member, and the rear end of the docking block (1031) extends into a rectangular groove in the main board (101).

3. The injection mold for facilitating flow channel maintenance according to claim 2, characterized in that: The main body component (1) comprises: a docking groove (1041); the docking groove (1041) is symmetrically arranged on two sides of the outside of the mold core (104), and the docking groove (1041) is plug-fitted with the docking block (1031).

4. The injection mold for facilitating flow channel maintenance according to claim 3, characterized in that: The main body component (1) comprises: a guide plate (105) and a mounting plate (106); the guide plate (105) is located at the two ends of the outside of the bottom main board (101), and the guide plate (105) is plugged into the slot (1011), and a circular guide rod is fixedly installed on the top of the guide plate (105); the mounting plate (106) is plugged into the slot (1011) in the top main board (101), and the two sides of the mounting plate (106) extend out of the slot (1011), and the mounting plate (106) is slidably engaged with the circular guide rod on the guide plate (105).

5. The injection mold for easy maintenance of flow channel according to claim 1, characterized in that: The storage component (3) comprises: a splicing piece (303) and a material delivery hole (3031); the splicing piece (303) is spliced ​​at the two ends of the front side of the tube body (301), and circular through holes are provided at both ends of the splicing piece (303); the material delivery hole (3031) is provided at the inner bottom of the splicing piece (303), and the material delivery hole (3031) is connected to the flow channel (3011) at the inner bottom side of the tube body (301).

6. The injection mold for easy maintenance of flow channel according to claim 1, characterized in that: The sleeve-connecting component (4) comprises: a sleeve (401) and a conducting wire (402); the sleeve (401) is a cylindrical structure, and a heating coil is provided inside the sleeve (401); the conducting wire (402) is provided outside the sleeve (401), and the conducting wire (402) is electrically connected to the heating coil inside the sleeve (401).

Images