Precise glue feeding mold structure

Abstract

The utility model relates to the technical field of injection molding, in particular to a precise glue feeding mold structure which comprises a top cover, the lower surface of the top cover is fixedly and detachably connected with a mounting plate, the lower surface of the mounting plate is detachably connected with an upper mold, the lower surface of the upper mold is movably connected with a lower mold, the lower surface of the lower mold is detachably connected with square iron, and the square iron is movably connected with the mounting plate. The lower surface of the square iron is detachably connected with a bottom cover, the upper surface of the top cover is detachably connected with an installation disc, the lower surface of the installation disc is fixedly connected with a feeding hopper, the tail end of the feeding hopper is fixedly connected with a flow guide pipe, and the outer surface of the flow guide pipe is connected with an installation cover in an embedded mode. The injection period can be shortened, and particularly when thick-wall products are produced, the limiting groove is used for limiting the outer side of the mounting cover, so that the mounting cover is convenient to disassemble in the later period, and the electric heating plate in the mounting cover is convenient to overhaul or replace.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding, in particular to a precise glue-feeding mold structure. Background Art

[0002] Plastic molds are usually composed of male and female molds, and can be made into plastic products of different sizes and shapes by compression molding, extrusion molding, injection, blow molding, etc. At present, plastic parts are manually positioned by the injection molding gun of the injection molding machine, and then the melted plastic is injected into the mold cavity by the injection molding machine at high pressure, and then it is cooled and formed to obtain a finished product. However, the devices in the prior art have certain disadvantages when used, such as the injection molding upper shell structure recorded in announcement number CN216423313U, and particularly relate to a precision multi-gate wear-resistant micro injection molding upper shell structure. The technical problem to be solved is: to provide a precision multi-gate wear-resistant micro injection molding upper shell structure that can be accurately positioned and wear-resistant. The technical solution of the utility model is: a precision multi-gate wear-resistant micro injection molding upper shell structure, including a support frame, a lower mold frame, a lower mold core, an upper mold frame, a mold cover, etc.; the top of the support frame is connected to the lower mold frame;

[0003] Although the above device limits the injection gun to ensure accurate injection, it lacks a heating structure, resulting in poor fluidity of the plastic in the guide tube after cooling, and the melt cannot be evenly distributed to each cavity, affecting the quality of injection molding. The lack of a cooling mechanism leads to a long waiting time, affecting the injection efficiency of the device. Utility Model Content

[0004] The purpose of the utility model is to provide a precise glue injection mold structure to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A precision glue injection mold structure comprises a top cover, the lower surface of the top cover is fixedly and detachably connected with a mounting plate, the lower surface of the mounting plate is detachably connected with an upper mold, the lower surface of the upper mold is movably connected with a lower mold, the lower surface of the lower mold is detachably connected with a square iron, the lower surface of the square iron is detachably connected with a bottom cover, the upper surface of the top cover is detachably connected with a mounting disk, the lower surface of the mounting disk is fixedly connected with a feed hopper, the end of the feed hopper is fixedly connected with a guide pipe, the outer surface of the guide pipe is nested and connected with a mounting cover, the upper surface of the mounting cover is embedded and connected with an electric heating plate, the two side surfaces of the mounting plate are detachably connected with baffles, and the outer surfaces of the baffles are embedded and movably connected with insertion columns.

[0007] Furthermore, both side surfaces of the top cover are fixedly connected with limiting columns, the limiting columns penetrate the baffle, and the front surface of the top cover is fixedly connected with a temperature controller.

[0008] Furthermore, a guide groove is provided on the lower surface of the mounting plate, a water inlet pipe is fixedly connected to the side surface of the mounting plate, the water inlet pipe and the guide groove are connected and conducted, a limiting groove is provided on the lower surface of the mounting plate, and slot holes are provided on both side surfaces of the mounting plate.

[0009] Furthermore, a water outlet pipe is fixedly connected to the side surface of the upper mold, and a water inlet is opened on the upper surface of the upper mold.

[0010] Furthermore, the side surface of the lower mold is fixedly connected with an inlet pipe, and the side surface of the lower mold is fixedly connected with an outlet pipe.

[0011] Furthermore, a contact channel is provided on the inner surface of the installation cover, and a groove is provided on the outer surface of the installation cover, and the groove matches the guide pipe.

[0012] Furthermore, the upper surface of the mounting plate is threadedly connected with a mounting bolt, the outer surface of the mounting plate is threadedly connected with a connecting bolt, the outer surface of the insertion column is fixedly connected with a limiting protrusion, the outer surface of the insertion column is nested with a spring, one end of the insertion column is fixedly connected with a limiting semi-ring, and the connecting bolt passes through the baffle.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] During the glue injection process, the electric heating plate is activated to keep the glue in the guide tube in a heated state, avoiding the reduction of fluidity caused by glue solidification. The melt can be more evenly distributed to each cavity, reducing the pressure loss and temperature drop caused by the flow channel, thereby improving the appearance and internal quality of the product;

[0015] The guide grooves are evenly distributed on the lower surface of the mounting plate. The guide grooves cooperate with the upper mold to form a channel for the external medium to flow. The water inlet pipe is used to connect with the external pipeline. The guide grooves and the water inlet are connected and conducted, which is convenient for entering the upper mold. The lower mold is connected with the external medium pipeline through the inlet pipe and the outlet pipe to achieve cooling of the lower surface of the mounting plate and the upper and lower molds, which can accelerate the curing of the glue and shorten the injection cycle, especially when producing thick-walled products. The limit groove is used to limit the outer side of the mounting cover;

[0016] By rotating the mounting bolts, the mounting plate can be separated from the top cover under the push of the threads, and the mounting plate, the feed hopper and the guide tube can be taken out. After rotating the connecting bolts, the end of the connecting bolts and the groove are separated under the push of the threads, the limit on the mounting cover is lost, and the baffle loses its external fixation. After the baffle is removed from the limit column, the top cover and the mounting plate lose their fixation, and the mounting plate can be pulled out of the top cover and the mounting cover is taken out, which is convenient for the later disassembly of the mounting cover and the inspection or replacement of the electric heating plate inside the mounting cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the baffle splitting structure of the utility model;

[0019] Figure 3 This is the cross-sectional structural intention of the top cover and the mounting plate of the utility model;

[0020] Figure 4 It is a schematic diagram of the disassembly structure of the installation plate of the utility model.

[0021] In the figure: 1. top cover; 101. limit column; 102. temperature controller; 2. mounting plate; 201. guide groove; 202. water inlet pipe; 203. limit groove; 204. slot hole; 3. upper mold; 301. outlet pipe; 302. water inlet; 4. lower mold; 401. inlet pipe; 402. outflow pipe; 5. square iron; 6. bottom cover; 7. mounting cover; 701. groove; 702. contact channel; 703. electric heating plate; 8. baffle; 801. connecting bolt; 802. insert column; 803. limit protrusion; 804. spring; 805. limit semi-ring; 9. mounting plate; 901. mounting bolt; 902. feed hopper; 903. guide pipe. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figures 1 to 4In the embodiment of the utility model, a precise glue injection mold structure includes a top cover 1, the lower surface of the top cover 1 is fixedly and detachably connected with a mounting plate 2, the lower surface of the mounting plate 2 is detachably connected with an upper mold 3, the lower surface of the upper mold 3 is movably connected with a lower mold 4, the lower surface of the lower mold 4 is detachably connected with a square iron 5, the lower surface of the square iron 5 is detachably connected with a bottom cover 6, the upper surface of the top cover 1 is detachably connected with a mounting plate 9, the lower surface of the mounting plate 9 is fixedly connected with a feed hopper 902, the end of the feed hopper 902 is fixedly connected with a guide pipe 903, the outer surface of the guide pipe 903 is nested and connected with a mounting cover 7, the upper surface of the mounting cover 7 is embedded and connected with an electric heating plate 703, the two side surfaces of the mounting plate 2 are detachably connected with baffles 8, and the outer surface of the baffle 8 is embedded and movably connected with an insertion column 802.

[0024] Specifically, when in use, the limiting semi-ring 805 at the end of the insertion column 802 limits the injection gun, the injection cavity and the feed hopper 902 are in contact, and the guide tube 903 is used to perform injection molding on the inside of the upper mold 3 to achieve precise glue injection. During the glue injection process, the electric heating plate 703 is started to keep the glue in the guide tube 903 in a heated state to avoid the reduction of fluidity caused by the solidification of the glue, and the melt can be more evenly distributed to each cavity to reduce the pressure loss and temperature drop caused by the flow channel, thereby improving the appearance and internal quality of the product. After the injection molding is completed, the mounting plate 2 and the lower mold 4 are connected to the external cooling medium to accelerate the solidification of the glue and shorten the injection cycle. Especially when producing thick-walled products, when the electric heating plate 703 is disassembled later, the baffle 8 is removed to make the connecting bolts 801 lose the fixation to the mounting cover 7, and the mounting cover 7 can be taken out together with the top cover 1, which is convenient for the later maintenance of the electric heating plate 703.

[0025] Embodiment 1

[0026] like Figure 1 As shown, both side surfaces of the top cover 1 are fixedly connected with limiting posts 101 , the limiting posts 101 penetrate the baffle 8 , and the front surface of the top cover 1 is fixedly connected with a temperature controller 102 .

[0027] In this embodiment, after the baffle 8 is removed, the fixing between the limiting column 101 and the baffle 8 is lost, which is convenient for the subsequent separation of the top cover 1 and the mounting plate 2. The temperature controller 102 is used to be electrically connected to the electric heating plate 703 to facilitate the control of the electric heating plate 703.

[0028] like Figure 2As shown, a guide groove 201 is provided on the lower surface of the mounting plate 2, a water inlet pipe 202 is fixedly connected to the side surface of the mounting plate 2, the water inlet pipe 202 and the guide groove 201 are connected and conducted, a limiting groove 203 is provided on the lower surface of the mounting plate 2, slot holes 204 are provided on the two side surfaces of the mounting plate 2, a water outlet pipe 301 is fixedly connected to the side surface of the upper mold 3, a water inlet 302 is provided on the upper surface of the upper mold 3, an inlet pipe 401 is fixedly connected to the side surface of the lower mold 4, and an outflow pipe 402 is fixedly connected to the side surface of the lower mold 4.

[0029] In this embodiment, the guide groove 201 is evenly distributed on the lower surface of the mounting plate 2. The guide groove 201 cooperates with the upper mold 3 to form a channel for circulation with the external medium. The water inlet pipe 202 is used to connect with the external pipeline. The guide groove 201 and the water inlet 302 are connected and conducted, which is convenient for entering the upper mold 3. The lower mold 4 is connected with the external medium pipeline through the inlet pipe 401 and the outlet pipe 402, so as to realize the cooling of the lower surface of the mounting plate 2 and the upper mold 3 and the lower mold 4, which can accelerate the curing of the glue and shorten the injection cycle, especially when producing thick-walled products. The limit groove 203 is used to limit the outer side of the mounting cover 7.

[0030] Embodiment 2

[0031] On the basis of the first embodiment, in order to make up for the problem in the first embodiment that it is inconvenient to disassemble the mounting cover 7 and take out the electric heating plate 703 .

[0032] like Figure 1-4 As shown, a contact channel 702 is provided on the inner surface of the mounting cover 7 , and a groove 701 is provided on the outer surface of the mounting cover 7 . The groove 701 matches the flow guide pipe 903 .

[0033] In this embodiment, the contact channel 702 inside the installation cover 7 is in contact with the guide tube 903 , the limiting groove 203 limits the outer side of the installation cover 7 , and the guide tube 903 limits the inner side of the installation cover 7 .

[0034] like Figure 1-4 As shown, the upper surface of the mounting disk 9 is threadedly connected with a mounting bolt 901, the outer surface of the mounting plate 2 is threadedly connected with a connecting bolt 801, the outer surface of the insertion column 802 is fixedly connected with a limiting protrusion 803, the outer surface of the insertion column 802 is nested with a spring 804, one end of the insertion column 802 is fixedly connected with a limiting semi-ring 805, and the connecting bolt 801 passes through the baffle 8.

[0035] In this embodiment, by rotating the mounting bolt 901, the mounting plate 9 can be separated from the top cover 1 under the push of the thread, and the mounting plate 9, the feed hopper 902, and the guide tube 903 can be taken out. After rotating the connecting bolt 801, the end of the connecting bolt 801 is separated from the groove 701 under the push of the thread, and the limiting function of the mounting cover 7 is lost, and the baffle 8 loses its external fixation. After the baffle 8 is removed from the limiting column 101, the top cover 1 and the mounting plate 2 lose their fixation, and the mounting plate 9 can be pulled out of the top cover 1 and the mounting cover 7 is taken out, which is convenient for the later disassembly of the mounting cover 7 and the inspection or replacement of the electric heating plate 703 inside the mounting cover 7.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A precise glue injection mold structure, comprising a top cover (1), characterized in that: The lower surface of the top cover (1) is fixedly and detachably connected to a mounting plate (2), the lower surface of the mounting plate (2) is detachably connected to an upper mold (3), the lower surface of the upper mold (3) is movably connected to a lower mold (4), the lower surface of the lower mold (4) is detachably connected to a square iron (5), the lower surface of the square iron (5) is detachably connected to a bottom cover (6), the upper surface of the top cover (1) is detachably connected to a mounting plate (9), the lower surface of the mounting plate (9) is fixedly connected to a feed hopper (902), the end of the feed hopper (902) is fixedly connected to a guide tube (903), the outer surface of the guide tube (903) is nested and connected to a mounting cover (7), the upper surface of the mounting cover (7) is embedded and connected to an electric heating plate (703), the two side surfaces of the mounting plate (2) are detachably connected to baffles (8), the outer surfaces of the baffles (8) are embedded and movably connected to insertion columns (802).

2. The precise injection molding die structure according to claim 1, characterized in that: Both side surfaces of the top cover (1) are fixedly connected to limiting columns (101), the limiting columns (101) penetrate the baffle (8), and the front surface of the top cover (1) is fixedly connected to a temperature controller (102).

3. The precise injection molding die structure according to claim 1, characterized in that: The lower surface of the mounting plate (2) is provided with a flow guide groove (201), the side surface of the mounting plate (2) is fixedly connected with a water inlet pipe (202), the water inlet pipe (202) and the flow guide groove (201) are connected and conducted, the lower surface of the mounting plate (2) is provided with a limit groove (203), and the two side surfaces of the mounting plate (2) are provided with slot holes (204).

4. The precise injection molding die structure according to claim 1, characterized in that: A water outlet pipe (301) is fixedly connected to the side surface of the upper mold (3), and a water inlet (302) is provided on the upper surface of the upper mold (3).

5. The precise injection molding die structure according to claim 1, characterized in that: An inlet pipe (401) is fixedly connected to the side surface of the lower mold (4), and an outlet pipe (402) is fixedly connected to the side surface of the lower mold (4).

6. The precise injection molding die structure according to claim 1, characterized in that: The inner surface of the installation cover (7) is provided with a contact channel (702), and the outer surface of the installation cover (7) is provided with a groove (701), and the groove (701) matches the flow guide pipe (903).

7. The precise injection molding die structure according to claim 1, characterized in that: The upper surface of the mounting plate (9) is threadedly connected with a mounting bolt (901), the outer surface of the mounting plate (2) is threadedly connected with a connecting bolt (801), the outer surface of the insertion column (802) is fixedly connected with a limiting protrusion (803), the outer surface of the insertion column (802) is nested with a spring (804), one end of the insertion column (802) is fixedly connected with a limiting semi-ring (805), and the connecting bolt (801) passes through the baffle (8).

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