Mold structure convenient for injection molding and glue feeding

Abstract

The utility model discloses a mold structure convenient for injection molding and glue feeding, which relates to the technical field of injection molds and comprises an upper mold mounting plate, a lower mold mounting plate, an upper mold machine body and a lower mold machine body. By arranging the injection molding glue inlet pipe structure, glue inlet use can be facilitated, the glue inlet pipe shell of the injection molding glue inlet pipe is connected to the glue inlet pipe positioning sleeve in a positioning and sleeving mode through the positioning buckle plate, and therefore the glue inlet pipe shell can be stably installed in the glue inlet pipe positioning sleeve through the positioning buckle plate; the glue enters the thick expansion cavity through the thin expansion cavity during glue feeding, so that the fed glue can be effectively expanded, the bottommost end of the thick expansion cavity is provided with an arc, so that the glue can be expanded outwards during feeding, and when the glue is injected into an upper mold machine body below an upper mold mounting plate, the glue is prevented from being swelled by the arc; and feeding inconvenience caused by blocking is effectively avoided, and injection molding and glue feeding are more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a mold structure which is convenient for injection molding and glue feeding. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of patterns and colors, shapes from simple to complex, sizes from large to small, and precise product dimensions. The product is easy to update and can be made into parts with complex shapes. Injection molding is suitable for mass production and molding processing fields such as products with complex shapes.

[0003] The existing Chinese patent CN114714577A, on July 8, 2022, disclosed an injection mold for a spiral T-slot product, including a mold frame, an injection module is installed on the upper part of the mold frame, a molding module is installed in the middle part of the mold frame, and a demolding mechanism is installed at the lower part of the mold frame; the molding module is provided with a molding cavity for molding the molten raw material injected by the injection molding module into the required product; the demolding mechanism is suitable for demolding the product molded and cooled in the molding cavity through a first process and a second process through a top material component.

[0004] However, when the above device is used for injection molding, the mold lacks the necessary convenient injection structure, the injection structure channel is vertical, and there is no good injection expansion area, so it is not very convenient during injection molding. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a mold structure that is convenient for injection molding and glue feeding. Through the injection molding glue feeding pipe structure, the injection molding and glue feeding can be stably and conveniently used.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A mold structure for convenient injection molding and glue feeding, comprising an upper mold mounting plate, a lower mold mounting plate, an upper mold body and a lower mold body, wherein the lower mold body is mounted and connected to the upper end position of the lower mold mounting plate, an upper mold body is arranged above the lower mold body, an upper mold mounting plate is arranged at the upper end of the upper mold body, a glue feeding pipe positioning sleeve is arranged in the middle of the upper mold mounting plate, a metal sealing gasket is arranged between the upper mold mounting plate and the glue feeding pipe positioning sleeve, the glue feeding pipe positioning sleeve is mounted and connected to the upper mold mounting plate by assembling screws, and an injection molding glue feeding pipe is arranged inside the glue feeding pipe positioning sleeve;

[0008] The injection molding glue inlet pipe includes a coarse expansion cavity, a fine expansion cavity, a positioning snap plate and a glue inlet pipe shell. The positioning snap plate is arranged on the peripheral side of the glue inlet pipe shell, the fine expansion cavity is arranged on the upper part of the glue inlet pipe shell, and the coarse expansion cavity is arranged on the lower part of the glue inlet pipe shell. The glue inlet pipe shell is connected to the glue inlet pipe positioning sleeve through the positioning snap plate.

[0009] Through the above technical scheme: the lower mold body is installed at the designated position through the lower mold mounting plate at the lower end, and the upper mold body is installed at the designated position through the glue inlet pipe positioning sleeve at the upper end of the upper mold mounting plate, so that the injection molding glue inlet pipe can be effectively positioned and fixed, so that the injection molding glue inlet pipe can be conveniently added when receiving external injection molding glue material, and a metal sealing gasket is installed between the upper mold mounting plate and the glue inlet pipe positioning sleeve, so that when the glue inlet pipe positioning sleeve is installed and connected to the upper mold mounting plate by assembling screws, the overall fixation is tighter and more secure.

[0010] The utility model is further configured as follows: the rubber inlet pipe positioning sleeve comprises an outer mounting ring, a bottom sleeve, an upper sleeve, a positioning sleeve groove and a positioning mounting cavity; the lower end of the outer mounting ring is provided with a bottom sleeve, the upper end of the outer mounting ring is provided with an upper sleeve, the interior of the upper sleeve is provided with a positioning mounting cavity, the inner side of the positioning mounting cavity is provided with a positioning sleeve groove on the inner wall of the upper sleeve, and the outer mounting ring is connected to the upper mold mounting plate through the bottom sleeve.

[0011] Through the above technical solution: due to the positioning sleeve structure of the rubber inlet hose, a positioning effect is achieved.

[0012] The utility model is further configured that the metal sealing gasket comprises a mounting sleeve cavity and a gasket shell, the interior of the gasket shell is provided with a mounting sleeve cavity, and the gasket shell is connected to the rubber inlet pipe positioning sleeve.

[0013] Through the above technical solution: Due to the metal sealing gasket structure, it can be used in a tightly sealed manner.

[0014] The utility model is further configured that the rubber inlet pipe positioning sleeve and the metal sealing gasket are connected by sleeve connection, and the metal sealing gasket is sleeved on the lower end circumference of the rubber inlet pipe positioning sleeve.

[0015] Through the above technical solution: since the rubber inlet pipe positioning sleeve and the metal sealing gasket are connected by sleeve connection, they can be sleeved and placed, and the metal sealing gasket is sleeved on the lower end circumference of the rubber inlet pipe positioning sleeve, so that it is effectively positioned, installed and used.

[0016] The utility model is further configured that the injection molding rubber inlet pipe is sleeved in the middle of the inner part of the rubber inlet pipe positioning sleeve, and the inner parts of the injection molding rubber inlet pipe and the rubber inlet pipe positioning sleeve are connected.

[0017] Through the above technical solution: because the injection molding glue inlet pipe is sleeved in the middle of the inner part of the glue inlet pipe positioning sleeve, it can be installed and placed accordingly, and the injection molding glue inlet pipe and the inner part of the glue inlet pipe positioning sleeve are connected, so there will be no obstruction during injection molding.

[0018] The utility model is further configured that the connection between the upper mold mounting plate and the rubber inlet pipe positioning sleeve is connected.

[0019] Through the above technical solution: because the connection between the upper mold mounting plate and the rubber inlet pipe positioning sleeve is connected, the corresponding installation connection can be used.

[0020] The utility model is further configured that the upper mold mounting plate and the upper mold body are connected by screws, and the connection between the upper mold mounting plate and the upper mold body is through.

[0021] Through the above technical solution: because the upper mold mounting plate and the upper mold body are connected by screws, they can be installed and connected accordingly, and the connection between the upper mold mounting plate and the upper mold body is through-connected, so they can be transported and used.

[0022] The beneficial effects of the utility model are:

[0023] 1. By providing an injection molding glue inlet pipe structure, it is convenient to use glue inlet. The glue inlet pipe shell of the injection molding glue inlet pipe is connected to the glue inlet pipe positioning sleeve through the positioning clip plate positioning sleeve, so that the glue inlet pipe shell can be stably installed in the inside of the glue inlet pipe positioning sleeve through the positioning clip plate, effectively avoiding shaking during injection molding glue inlet, and can stabilize the injection molding glue inlet. When injecting glue, it enters the coarse expansion cavity through the fine expansion cavity, so that the glue can effectively expand, and the bottom end of the coarse expansion cavity has an arc, so that it can expand outward during feeding. In this way, when it is injected into the upper mold body below the upper mold mounting plate, the inconvenience of feeding caused by blockage is effectively avoided, making injection molding glue inlet more convenient.

[0024] 2. A positioning sleeve structure is provided for the glue inlet pipe, which plays a positioning role. The outer mounting ring of the glue inlet pipe positioning sleeve is connected to the upper mold mounting plate through the bottom sleeve, so that it can be installed and connected accordingly. The bottom sleeve is located in the area of ​​the positioning installation cavity and the positioning sleeve groove, so that the injection molding glue inlet pipe can be installed in a corresponding manner. In this way, it can be stably installed and placed for use, and the shaking of the injection molding glue can be effectively avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional structural schematic diagram of a mold structure for convenient injection molding proposed by the utility model;

[0026] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of the A region of a mold structure for convenient injection molding proposed by the utility model;

[0027] Figure 3 This is a schematic diagram of a positioning sleeve structure of a glue inlet pipe of a mold structure for convenient glue inlet in the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of an injection molding glue inlet pipe of a mold structure that facilitates injection molding and glue inlet proposed by the utility model;

[0029] Figure 5 The utility model provides a schematic diagram of a metal sealing gasket structure of a mold structure that is convenient for injection molding.

[0030] In the figure: 1. upper mold mounting plate; 2. lower mold mounting plate; 3. injection molding rubber inlet hose; 31. coarse expansion chamber; 32. fine expansion chamber; 33. positioning snap plate; 34. rubber inlet hose housing; 4. rubber inlet hose positioning sleeve; 41. outer mounting ring; 42. bottom sleeve; 43. upper sleeve; 44. positioning sleeve groove; 45. positioning mounting cavity; 5. upper mold body; 6. lower mold body; 7. assembly screws; 8. metal sealing gasket; 81. mounting sleeve cavity; 82. gasket housing. DETAILED DESCRIPTION

[0031] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0034] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0035] Reference Figure 1-Figure 5 , a mold structure for convenient injection molding, including an upper mold mounting plate 1, a lower mold mounting plate 2, an upper mold body 5 and a lower mold body 6, the lower mold body 6 is installed and connected to the upper end position of the lower mold mounting plate 2, so that it can be installed at a specified position through external screws, the upper mold body 5 is closed above the lower mold body 6, so that an injection molding cavity is provided between the lower mold body 6 and the upper mold body 5, the upper end of the upper mold body 5 is installed with an upper mold mounting plate 1, the inner middle of the upper mold mounting plate 1 is sleeved with a rubber inlet pipe positioning sleeve 4, so as to play a good sleeve positioning role, a metal sealing gasket 8 is installed between the upper mold mounting plate 1 and the rubber inlet pipe positioning sleeve 4, so that it is more tightly fixed, the rubber inlet pipe positioning sleeve 4 is installed and connected to the upper mold mounting plate 1 by an assembly screw 7, so that it can be installed and fixed, and the rubber inlet pipe 3 is arranged inside the rubber inlet pipe positioning sleeve 4;

[0036] The injection molding glue inlet pipe 3 comprises a coarse expansion chamber 31, a fine expansion chamber 32, a positioning snap plate 33 and a glue inlet pipe housing 34. The positioning snap plate 33 is arranged on the periphery of the glue inlet pipe housing 34. The fine expansion chamber 32 is arranged on the upper part of the glue inlet pipe housing 34. The coarse expansion chamber 31 is arranged on the lower part of the glue inlet pipe housing 34. The glue inlet pipe housing 34 is connected to the glue inlet pipe positioning sleeve 4 through the positioning snap plate 33. The glue inlet pipe housing 34 of the injection molding glue inlet pipe 3 is connected to the glue inlet pipe positioning sleeve 4 through the positioning snap plate 33 positioning sleeve connection. The glue inlet pipe housing 34 can be stably installed in the inside of the glue inlet pipe positioning sleeve 4 through the positioning snap plate 33, which effectively avoids shaking during injection molding and can stabilize the glue injection. During injection, the glue enters the coarse expansion chamber 31 through the fine expansion chamber 32, so that the glue can expand effectively, and the bottom end of the coarse expansion chamber 31 has an arc, so that it can expand outward during feeding. In this way, when it is injected into the upper mold body 5 below the upper mold mounting plate 1, the inconvenience of feeding caused by blockage is effectively avoided, making injection molding more convenient.

[0037] Specifically, the glue inlet pipe positioning sleeve 4 includes an outer mounting ring 41, a bottom sleeve 42, an upper sleeve 43, a positioning sleeve groove 44 and a positioning mounting cavity 45. The lower end of the outer mounting ring 41 is provided with a bottom sleeve 42, the upper end of the outer mounting ring 41 is provided with an upper sleeve 43, the interior of the upper sleeve 43 is provided with a positioning mounting cavity 45, the inner side of the positioning mounting cavity 45 is located on the inner wall of the upper sleeve 43 and a positioning sleeve groove 44 is provided. The outer mounting ring 41 is connected to the upper mold mounting plate 1 through the bottom sleeve 42, and the outer mounting ring 41 of the glue inlet pipe positioning sleeve 4 is sleeve-connected to the upper mold mounting plate 1 through the bottom sleeve 42, so that it can be installed and connected accordingly. Due to the area of ​​the positioning mounting cavity 45 and the positioning sleeve groove 44 of the bottom sleeve 42, the injection molding glue inlet pipe 3 can be sleeve-installed accordingly, so that it can be stably installed and placed for use, and the shaking of the injection molding glue can be effectively avoided.

[0038] Specifically, the metal sealing gasket 8 includes an installation sleeve cavity 81 and a gasket shell 82. The installation sleeve cavity 81 is provided inside the gasket shell 82. The gasket shell 82 is connected to the rubber inlet pipe positioning sleeve 4. The gasket shell 82 of the metal sealing gasket 8 can be connected to the rubber inlet pipe positioning sleeve 4 through the area of ​​the installation sleeve cavity 81, so that the rubber inlet pipe positioning sleeve 4 can be tightly installed and connected.

[0039] Specifically, the rubber inlet pipe positioning sleeve 4 and the metal sealing gasket 8 are connected by sleeve connection, so that they can be sleeved and placed, and the metal sealing gasket 8 is sleeved on the lower end circumference of the rubber inlet pipe positioning sleeve 4, so as to effectively position, install and use.

[0040] Specifically, the injection molding glue inlet pipe 3 is sleeved in the middle of the inner part of the glue inlet pipe positioning sleeve 4, so that it can be installed and placed accordingly for use, and the injection molding glue inlet pipe 3 and the inner part of the glue inlet pipe positioning sleeve 4 are connected, so that there will be no obstruction during injection molding.

[0041] Specifically, the connection between the upper mold mounting plate 1 and the rubber inlet pipe positioning sleeve 4 is connected, so that they can be installed and connected for use accordingly.

[0042] Specifically, the upper mold mounting plate 1 and the upper mold body 5 are connected by screws, so that they can be installed and connected accordingly, and the connection between the upper mold mounting plate 1 and the upper mold body 5 is through-connected, so that they can be transported and used.

[0043] Working principle: When in use, the lower mold body 6 is installed in the specified position through the lower mold mounting plate 2 at the lower end, and the upper mold body 5 is installed in the specified position through the glue inlet pipe positioning sleeve 4 at the upper end of the upper mold mounting plate 1, so that the injection glue inlet pipe 3 can be effectively positioned and fixed, so that the injection glue inlet pipe 3 is convenient for injection molding when receiving external injection glue. A metal sealing gasket 8 is installed between the upper mold mounting plate 1 and the glue inlet pipe positioning sleeve 4, so that when the glue inlet pipe positioning sleeve 4 is installed and connected to the upper mold mounting plate 1 by assembling screws 7, the overall fixation is tighter and more secure.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mold structure for convenient injection molding, comprising an upper mold mounting plate (1), a lower mold mounting plate (2), an upper mold body (5) and a lower mold body (6), wherein the lower mold body (6) is mounted and connected to the upper end of the lower mold mounting plate (2), an upper mold body (5) is arranged above the lower mold body (6), and an upper mold mounting plate (1) is arranged at the upper end of the upper mold body (5), characterized in that: A rubber inlet pipe positioning sleeve (4) is arranged in the middle of the upper mold mounting plate (1), a metal sealing gasket (8) is arranged between the upper mold mounting plate (1) and the rubber inlet pipe positioning sleeve (4), the rubber inlet pipe positioning sleeve (4) is mounted and connected to the upper mold mounting plate (1) by means of assembly screws (7), and an injection rubber inlet pipe (3) is arranged inside the rubber inlet pipe positioning sleeve (4); The injection molding glue inlet pipe (3) comprises a coarse expansion chamber (31), a fine expansion chamber (32), a positioning snap plate (33) and a glue inlet pipe housing (34); the positioning snap plate (33) is arranged on the peripheral side of the glue inlet pipe housing (34); the fine expansion chamber (32) is arranged on the upper part of the glue inlet pipe housing (34); the coarse expansion chamber (31) is arranged on the lower part of the glue inlet pipe housing (34); the glue inlet pipe housing (34) is connected to the glue inlet pipe positioning sleeve (4) via the positioning snap plate (33).

2. A mold structure for convenient injection molding according to claim 1, characterized in that: The rubber inlet pipe positioning sleeve (4) comprises an outer mounting ring (41), a bottom sleeve (42), an upper sleeve (43), a positioning sleeve groove (44) and a positioning mounting cavity (45); the lower end of the outer mounting ring (41) is provided with a bottom sleeve (42); the upper end of the outer mounting ring (41) is provided with an upper sleeve (43); the interior of the upper sleeve (43) is provided with a positioning sleeve groove (44); the inner side of the positioning mounting cavity (45) is provided with an inner wall of the upper sleeve (43); the outer mounting ring (41) is connected to the upper mold mounting plate (1) through the bottom sleeve (42).

3. A mold structure for convenient injection molding according to claim 1, characterized in that: The metal sealing gasket (8) comprises a mounting sleeve cavity (81) and a gasket shell (82). The mounting sleeve cavity (81) is arranged inside the gasket shell (82), and the gasket shell (82) is connected to the rubber inlet pipe positioning sleeve (4).

4. A mold structure for convenient injection molding according to claim 3, characterized in that: The rubber inlet pipe positioning sleeve (4) and the metal sealing gasket (8) are connected by sleeve connection, and the metal sealing gasket (8) is sleeved on the lower end circumference of the rubber inlet pipe positioning sleeve (4).

5. The mold structure for convenient injection molding according to claim 1, characterized in that: The injection molding rubber inlet pipe (3) is sleeved in the middle of the interior of the rubber inlet pipe positioning sleeve (4), and the interiors of the injection molding rubber inlet pipe (3) and the rubber inlet pipe positioning sleeve (4) are connected.

6. A mold structure for convenient injection molding according to claim 1, characterized in that: The connection between the upper mold mounting plate (1) and the rubber inlet pipe positioning sleeve (4) is connected.

7. A mold structure for convenient injection molding according to claim 1, characterized in that: The upper mold mounting plate (1) and the upper mold body (5) are connected by screws, and the connection between the upper mold mounting plate (1) and the upper mold body (5) is connected.

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