Silica gel injection molding mechanism with nozzle length adjusting function

Abstract

The utility model discloses a silica gel injection molding mechanism with a nozzle length adjusting function, and relates to the technical field of injection molding machine nozzles, the silica gel injection molding mechanism comprises a motor and a mounting plate, a first threaded butt joint hole is formed below the motor, a lengthening rod is arranged below the first threaded butt joint hole, a first butt joint block is arranged at the top end of the lengthening rod, and a second threaded butt joint hole is formed below the mounting plate. A second threaded butt joint hole is formed in the bottom end of the lengthening rod, a threaded through rod is arranged below the lengthening rod, and a second butt joint block is arranged at the top end of the threaded through rod; according to the utility model, through the arrangement of the first threaded butt-joint hole, the lengthening rod and the threaded through rod, the device can form a long nozzle or a short nozzle by dismounting the lengthening rod, and the first butt-joint block and the second butt-joint block are arranged to be the same in size and shape, and the first threaded butt-joint hole and the second threaded butt-joint hole are arranged to be the same in size and shape; and finally, a second butt-joint block is arranged to be matched with a second threaded butt-joint hole, so that the transformation of the form of the device is simpler.

Description

Technical Field

[0001] The utility model relates to the technical field of injection nozzles of injection molding machines, and particularly relates to a mechanism for silicone injection molding with adjustable nozzle length. Background Technique

[0002] With the wide application of silicone products in modern industry, silicone injection molding technology has developed rapidly. Silicone injection molding technology has been widely used in the fields of electronics, medical treatment, automobiles, etc. due to its unique physical and chemical properties, such as high temperature resistance, aging resistance, good insulation, etc.

[0003] However, in the process of silicone injection molding, there are many problems in the use of the nozzle. The most important one is that the length of the nozzle is fixed. In some special cases, such as when injecting thinner silicone products, the fixed-length nozzle cannot meet the requirements, which limits the application range of silicone injection molding technology. At the same time, an inappropriate nozzle length will cause unnecessary pressure loss of the silicone melt during the injection process, affecting the molding quality of the product.

[0004] In view of this, a mechanism for silicone injection molding with adjustable nozzle length is provided to overcome the above defects. Content of the Utility Model

[0005] The purpose of the utility model is to provide a mechanism for silicone injection molding with adjustable nozzle length to solve the problems raised in the above background technique.

[0006] To solve the above technical problems, a mechanism for silicone injection molding with adjustable nozzle length provided by the utility model includes a motor and a mounting plate. A first threaded docking hole is arranged below the motor. A lengthening rod is arranged below the first threaded docking hole. A first docking block is arranged at the top end of the lengthening rod. A second threaded docking hole is arranged at the bottom end of the lengthening rod. A threaded through rod is arranged below the lengthening rod. A second docking block is arranged at the top end of the threaded through rod.

[0007] Further, a glue injection sleeve is arranged on one side of the mounting plate. The lengthening rod and the threaded through rod are both inside the glue injection sleeve.

[0008] Further, the first docking block and the second docking block are the same in size and shape. The first threaded docking hole and the second threaded docking hole are the same in size and shape. The second docking block is adapted to the second threaded docking hole.

[0009] Further, a self-lubricating bearing is installed inside the glue injection sleeve. A clamping ring is arranged at the connection of the lengthening rod and the threaded through rod.

[0010] Furthermore, a glue outlet is installed at the bottom of the glue injection sleeve. A first adjustment disk is fixedly installed at the bottom end of the glue outlet. An upper adjustment groove is penetrated and opened on the outer wall of the first adjustment disk, and an adjustment block is arranged inside the upper adjustment groove.

[0011] Furthermore, a second adjustment disk is arranged below the adjustment block. A lower adjustment groove is penetrated and opened on the outer wall of the second adjustment disk, and the adjustment block is located inside the lower adjustment groove.

[0012] Furthermore, circular through grooves adapted to the glue outlet are opened at the middle positions of the outer walls of the first adjustment disk and the second adjustment disk.

[0013] Furthermore, the number of the adjustment blocks is multiple, the number of the upper adjustment grooves and the lower adjustment grooves is also multiple, and the adjustment blocks are simultaneously located inside the upper adjustment grooves and the lower adjustment grooves.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] By providing the first threaded docking hole, the extension rod and the threaded through rod, the device can form a long injection nozzle or a short injection nozzle by disassembling and assembling the extension rod. The sizes and shapes of the first docking block and the second docking block are the same, and the sizes and shapes of the first threaded docking hole and the second threaded docking hole are the same. Finally, the second docking block is adapted to the second threaded docking hole, making the transformation of the device form simpler.

[0016] By providing the first adjustment disk, the second adjustment disk and the adjustment block, the device can control the flow rate and speed of the plastic during the injection molding process, thereby ensuring that the filling state and distribution of the plastic in the mold are more uniform. This helps to reduce defects in the injection molded product, such as air bubbles and shrinkage cavities, and improve the quality and stability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic cross-sectional structure diagram inside the utility model;

[0018] Figure 2 is Figure 1 the enlarged structure diagram at A in

[0019] Figure 3 is a schematic structure diagram of the glue outlet in the utility model;

[0020] Figure 4 is a schematic structure diagram of another state of the glue outlet in the utility model;

[0021] Figure 5 is a schematic side structure diagram of the glue outlet in the utility model.

[0022] In the figure: 1. Motor; 2. Mounting plate; 3. First threaded docking hole; 4. Glue injection sleeve;

[0023] 5. Extension rod; 51. Second threaded docking hole; 52. First docking block;

[0024] 6. Threaded through rod; 61. Second docking block;

[0025] 7. Self-lubricating bearing; 8. Clamping ring; 9. Glue outlet;

[0026] 10. First adjustment disk; 101. Adjustment block; 102. Second adjustment disk; 103. Lower adjustment groove; 104. Upper adjustment groove; 105. Guide rod; 106. Resisting spring; 107. Resisting block. Detailed implementation mode

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Embodiment 1

[0029] Refer to Figures 1-4 , a silicone injection molding mechanism with adjustable nozzle length, including a motor 1 and a mounting plate 2. A first threaded docking hole 3 is provided below the motor 1. An extension rod 5 is provided below the first threaded docking hole 3. A first docking block 52 is provided at the top of the extension rod 5. A second threaded docking hole 51 is provided at the bottom of the extension rod 5. A threaded through rod 6 is provided below the extension rod 5. A second docking block 61 is provided at the top of the threaded through rod 6. A glue injection sleeve 4 is provided on one side of the mounting plate 2. The extension rod 5 and the threaded through rod 6 are both inside the glue injection sleeve 4.

[0030] Further, refer to Figures 1-2, the sizes and shapes of the first docking block 52 and the second docking block 61 are the same, the sizes and shapes of the first threaded docking hole 3 and the second threaded docking hole 51 are the same, and the second docking block 61 is adapted to the second threaded docking hole 51. By setting the sizes and shapes of the first docking block 52 and the second docking block 61 to be the same and the sizes and shapes of the first threaded docking hole 3 and the second threaded docking hole 51 to be the same, and finally setting the second docking block 61 to be adapted to the second threaded docking hole 51, the second docking block 61 can be made to be applicable to both the first threaded docking hole 3 and the second threaded docking hole 51 at the same time. Similarly, because the sizes and shapes of the first docking block 52 and the second docking block 61 are the same, the first docking block 52 is also applicable to the first threaded docking hole 3. These settings make the docking and installation of the extension rod 5 and the threaded through rod 6 more convenient.

[0031] Furthermore, referring to Figure 2 , a self-lubricating bearing 7 is installed inside the glue injection sleeve 4, and a clamping ring 8 is provided at the connection between the extension rod 5 and the threaded through rod 6. The self-lubricating bearing 7 has excellent wear resistance and can operate stably for a long time in a harsh working environment. It can operate without or with very little lubricating oil, greatly reducing the maintenance cost. The setting of the clamping ring 8 prevents the extension rod 5 and the threaded through rod 6 from shifting or misaligning after the docking on the mounting plate 2 is completed.

[0032] During specific implementation, in the initial state, the second docking block 61 is threadedly connected inside the second threaded docking hole 51, and the first docking block 52 is threadedly connected inside the first threaded docking hole 3. When the user needs a shorter nozzle, the user can first rotate the extension rod 5. After the extension rod 5 rotates, the first docking block 52 rotates inside the first threaded docking hole 3, thus disengaging from the first threaded docking hole 3. After the first docking block 52 disengages from the first threaded docking hole 3, rotate the extension rod 5 again to make the second threaded docking hole 51 rotate and disengage from the second docking block 61. At this time, both ends of the extension rod 5 are not restricted, and the extension rod 5 can be directly removed. Then, by using the second docking block 61 to dock with the first threaded docking hole 3, a short nozzle mechanism can be formed.

[0033] When a longer nozzle is needed, the user can reinstall the extension rod 5 between the threaded through rod 6 and the first threaded docking hole 3 to form a long nozzle mechanism.

[0034] By setting the first threaded docking hole 3, the extension rod 5, and the threaded through rod 6, the device can form a long nozzle or a short nozzle by disassembling and assembling the extension rod 5. By setting the sizes and shapes of the first docking block 52 and the second docking block 61 to be the same, the sizes and shapes of the first threaded docking hole 3 and the second threaded docking hole 51 to be the same, and finally setting the second docking block 61 to be adapted to the second threaded docking hole 51, the transformation of the device form becomes simpler.

[0035] Example Two

[0036] Based on Example One, please refer to Figures 1-5 , a mechanism for silicone injection molding with adjustable nozzle length. Among them, a glue outlet 9 is installed at the bottom of the glue injection sleeve 4, a first adjustment disk 10 is fixedly installed at the bottom end of the glue outlet 9, an upper adjustment groove 104 is penetrated and opened on the outer wall of the first adjustment disk 10, an adjustment block 101 is arranged inside the upper adjustment groove 104, a second adjustment disk 102 is arranged below the adjustment block 101, a lower adjustment groove 103 is penetrated and opened on the outer wall of the second adjustment disk 102, and the adjustment block 101 is inside the lower adjustment groove 103.

[0037] Furthermore, refer to Figure 4 , the number of adjustment blocks 101 is multiple, the number of upper adjustment grooves 104 and lower adjustment grooves 103 is also multiple, the adjustment block 101 is simultaneously inside the upper adjustment groove 104 and the lower adjustment groove 103. By setting the adjustment block 101 to be simultaneously inside the upper adjustment groove 104 and the lower adjustment groove 103, when one of the second adjustment disk 102 or the first adjustment disk 10 rotates, the position of the adjustment block 101 will change.

[0038] In addition, circular through grooves adapted to the glue outlet 9 are opened at the middle positions of the outer walls of the first adjustment disk 10 and the second adjustment disk 102. By setting the circular through grooves, the first adjustment disk 10 and the second adjustment disk 102 will not interfere with the glue discharging state of the glue outlet 9.

[0039] During specific implementation, when the user uses the glue outlet 9 to discharge glue, the flow rate of the discharged glue is usually not easy to control. In this utility model, the user can limit the glue discharge amount of the glue outlet 9 through the adjustment block 101.

[0040] When a smaller glue discharge amount is required, the user can directly rotate the second adjustment disk 102. After the second adjustment disk 102 rotates, the adjustment block 101 inside the lower adjustment groove 103 will displace due to the change in the position of the lower adjustment groove 103. And the adjustment block 101 is simultaneously inside the upper adjustment groove 104, so it will be limited by the upper adjustment groove 104 and can only move in a predetermined direction. When multiple upper adjustment grooves 104 move simultaneously, the inner diameter of the glue outlet 9 will be gradually blocked by the multiple upper adjustment grooves 104, restricting the glue discharge amount of the glue outlet 9. Specifically, how much to restrict, the user can rotate the second adjustment disk 102 according to actual needs.

[0041] When the glue discharge amount does not need to be restricted, just reverse and reset the second adjustment disk 102, and the glue outlet 9 will no longer be restricted by the adjustment block 101 and can discharge glue quickly.

[0042] By setting the first adjusting disk 10, the second adjusting disk 102 and the adjusting block 101, the device can control the flow rate and speed of the plastic during the injection molding process, thereby ensuring that the filling state and distribution of the plastic in the mold are more uniform. This helps to reduce defects in the injection molded products, such as air bubbles and shrinkage cavities, and improve the quality and stability of the products.

[0043] In addition, a guide rod 105 is fixedly installed on the top surface of the second adjusting disk 102. A contact block 107 is slidably sleeved on the outer wall of the guide rod 105. A contact spring 106 is fixedly connected between the contact block 107 and the top surface of the second adjusting disk 102. By fixedly connecting the contact spring 106 between the contact block 107 and the top surface of the second adjusting disk 102, the contact block 107 is tightly attached to the bottom surface of the first adjusting disk 10 in the initial state, so that the second adjusting disk 102 will not rotate easily without manual force, increasing the stability of the device during use.

[0044] Working principle: In the initial state, the second docking block 61 is threadedly connected inside the second threaded docking hole 51, and the first docking block 52 is threadedly connected inside the first threaded docking hole 3. When the user needs a shorter nozzle, the user can first rotate the extension rod 5. After the extension rod 5 rotates, the first docking block 52 rotates inside the first threaded docking hole 3, thereby disengaging from the first threaded docking hole 3. After the first docking block 52 disengages from the first threaded docking hole 3, rotate the extension rod 5 again so that the second threaded docking hole 51 rotates to disengage from the second docking block 61. At this time, both ends of the extension rod 5 are not restricted, and the extension rod 5 can be directly removed. At this time, by docking the second docking block 61 with the first threaded docking hole 3, a short nozzle mechanism can be formed.

[0045] When a longer nozzle is needed, the user can reinstall the extension rod 5 between the threaded through rod 6 and the first threaded docking hole 3 to form a long nozzle mechanism.

[0046] When the user uses the glue outlet 9 to discharge glue, the flow rate of the discharged glue is usually not easy to control. In this utility model, the user can limit the glue discharge amount of the glue outlet 9 through the adjusting block 101.

[0047] When a smaller glue discharge amount is needed, the user can directly rotate the second adjusting disk 102. After the second adjusting disk 102 rotates, the adjusting block 101 located inside the lower adjusting groove 103 will displace due to the change in the position of the lower adjusting groove 103. And the adjusting block 101 is also located inside the upper adjusting groove 104, so it will be limited by the upper adjusting groove 104 and can only move in a predetermined direction. When multiple upper adjusting grooves 104 move simultaneously, the inner diameter of the glue outlet 9 will be gradually blocked by the multiple upper adjusting grooves 104, restricting the glue discharge amount of the glue outlet 9. Specifically, how much to restrict it can be rotated by the user according to actual needs by rotating the second adjusting disk 102.

[0048] When there is no need to limit the amount of glue output, just reverse and reset the second adjustment disk 102, so that the glue outlet 9 is no longer restricted by the adjustment block 101, and the glue can be output quickly.

[0049] By setting the first threaded docking hole 3, the extension rod 5 and the threaded through rod 6, the device can form a long injection nozzle or a short injection nozzle by disassembling and assembling the extension rod 5, and the sizes and shapes of the first docking block 52 and the second docking block 61 are the same, the sizes and shapes of the first threaded docking hole 3 and the second threaded docking hole 51 are the same, and finally the second docking block 61 is adapted to the second threaded docking hole 51, making the transformation of the device form simpler.

[0050] By setting the first adjustment disk 10, the second adjustment disk 102 and the adjustment block 101, the device can control the flow rate and speed of the plastic during the injection molding process, so as to ensure that the filling state and distribution of the plastic in the mold are more uniform, which helps to reduce defects in the injection molded product, such as air bubbles, shrinkage cavities, etc., and improve the quality and stability of the product.

Claims

1. A silicone injection molding mechanism with adjustable nozzle length, comprising a motor (1) and a mounting plate (2), characterized in that, A first threaded docking hole (3) is provided below the motor (1). A lengthening rod (5) is provided below the first threaded docking hole (3). A first docking block (52) is provided at the top end of the lengthening rod (5). A second threaded docking hole (51) is provided at the bottom end of the lengthening rod (5). A threaded through rod (6) is provided below the lengthening rod (5). A second docking block (61) is provided at the top end of the threaded through rod (6).

2. The silicone injection molding mechanism with adjustable nozzle length according to claim 1, characterized in that: A glue injection sleeve (4) is provided on one side of the mounting plate (2). The lengthening rod (5) and the threaded through rod (6) are both inside the glue injection sleeve (4).

3. A silicone injection molding mechanism with adjustable nozzle length according to claim 1, characterized in that: The first docking block (52) and the second docking block (61) are the same in size and shape. The first threaded docking hole (3) and the second threaded docking hole (51) are the same in size and shape. The second docking block (61) is adapted to the second threaded docking hole (51).

4. The silicone injection molding mechanism with adjustable nozzle length according to claim 2, characterized in that: A self-lubricating bearing (7) is installed inside the glue injection sleeve (4). A clamping ring (8) is provided at the connection between the lengthening rod (5) and the threaded through rod (6).

5. The silicone injection molding mechanism with adjustable nozzle length according to claim 2, wherein: A glue outlet (9) is installed at the bottom of the glue injection sleeve (4). A first adjustment disc (10) is fixedly installed at the bottom end of the glue outlet (9). An upper adjustment groove (104) is formed through the outer wall of the first adjustment disc (10). An adjustment block (101) is arranged inside the upper adjustment groove (104).

6. The silicone injection molding mechanism with adjustable nozzle length according to claim 5, characterized in that: A second adjustment disc (102) is provided below the adjustment block (101). A lower adjustment groove (103) is formed through the outer wall of the second adjustment disc (102). The adjustment block (101) is inside the lower adjustment groove (103).

7. The silicone injection molding mechanism with adjustable nozzle length according to claim 6, characterized in that: Circular through grooves adapted to the glue outlet (9) are formed at the middle positions of the outer walls of the first adjustment disc (10) and the second adjustment disc (102).

8. The silicone injection molding mechanism with adjustable nozzle length according to claim 6, characterized in that: The number of the adjustment blocks (101) is multiple. The number of the upper adjustment grooves (104) and the lower adjustment grooves (103) is also multiple. The adjustment blocks (101) are simultaneously inside the upper adjustment grooves (104) and the lower adjustment grooves (103).

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