Injection mold for curved-surface injection-molded part

Abstract

The utility model provides an injection mold for a curved-surface injection-molded part, and relates to the technical field of injection molds. The die body is provided with a left-right bearing die block, threaded blind holes are formed in the four corners of the top end face of the bearing die block, left-right strip-shaped grooves are formed in the upper portions of the front end face and the rear end face of the bearing die block, and a left-right rectangular groove is formed in the top end face of the bearing die block. A bearing circular groove is formed in the middle of the bottom in a rectangular groove of the bearing mold block, and a front-back penetrating through hole is formed in the middle of the bottom of the front wall of the rectangular groove of the bearing mold block, so that a hand can be conveniently inserted into a strip-shaped groove of the bearing mold block for carrying stress, and all parts can be conveniently mounted on the bearing mold block to form a mold body; the problems that no carrying stress measure exists on the mold, hand carrying stress of a worker is difficult, and carrying stress measures are not conveniently arranged on the mold to enable the hand to be inserted for carrying stress are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold for curved surface injection molded parts. Background Art

[0002] Injection molds are molds used for injection molding and are commonly used in industrial production. Injection molding is a process in which plastic is heated to a molten state, then injected into a mold by an injection molding machine, and then molded into a product of the desired shape and size after cooling. Injection molds are usually made of materials with high hardness and wear resistance to ensure the service life of the mold.

[0003] Based on the above, the inventors found that the existing curved surface injection mold has the following deficiencies:

[0004] 1. There is no handling force-bearing measure on the mold, which makes it difficult for the staff to handle the force with their hands. It is not convenient to set up handling force-bearing measures on the mold to insert the hands for handling force;

[0005] 2. The curved surface injection molded part template is inside the mold, which makes it difficult to take and place the curved surface injection molded part template. It is not convenient to install lifting measures inside the mold to lift and place the curved surface injection molded part template. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides an injection mold for curved injection molded parts to solve the problems that the existing molds do not have any transport stress-bearing measures, which easily leads to difficulties in the workers' hands in transporting and stress-bearing, and it is inconvenient to set transport stress-bearing measures on the mold to insert the hands for transport stress; the curved injection molded part template is inside the mold, which makes it difficult to take and place the curved injection molded part template, and it is inconvenient to install lifting measures inside the mold to lift and place the curved injection molded part template.

[0007] The purpose and function of the curved surface injection mold of the utility model are achieved by the following specific technical means:

[0008] A curved surface injection molded part injection mold, comprising a mold body; the mold body is provided with a left-right bearing mold block, the four corners of the top end face of the bearing mold block are provided with threaded blind holes, the upper parts of the front and rear end faces of the bearing mold block are provided with left-right strip grooves, the top end face of the bearing mold block is provided with left-right rectangular grooves, a bearing circular groove is provided in the middle of the bottom of the rectangular groove of the bearing mold block, a through hole penetrating front and back is provided in the middle of the bottom of the front wall of the rectangular groove of the bearing mold block, and a bearing ring groove is provided in the inner circumference of the rear end of the through hole of the bearing mold block.

[0009] Furthermore, a curved mold plate in the left and right directions is threadedly installed on the threaded rod of the driven rotating rod, a threaded blind hole is opened in the center of the bottom end face of the curved mold plate, and strip grooves in the left and right directions are opened in the middle of the top of the front and rear end faces of the curved mold plate.

[0010] Furthermore, a bevel gear is sleeved on the bottom of the regular hexagonal rod of the driven rotating rod, and a regular hexagonal hole penetrating from top to bottom is opened in the center of the bevel gear.

[0011] Furthermore, a driven rotating rod in the up and down directions is installed inside the bearing circular groove of the supporting mold block through a bearing, a regular hexagonal rod is arranged in the middle of the driven rotating rod, a fixing column is arranged on the bottom end face of the regular hexagonal rod of the driven rotating rod, and a threaded rod is arranged on the top end face of the regular hexagonal rod of the driven rotating rod.

[0012] Furthermore, a main bevel gear is mounted on the regular hexagonal prism of the active rotating rod by bolts, a regular hexagonal groove is provided in the middle of the front end surface of the main bevel gear, and a through hole is provided in the center of the main bevel gear that penetrates front and back.

[0013] Furthermore, an active rotating rod in the front-to-back direction is installed inside the bearing ring groove of the supporting mold block through a bearing, a fixing column is arranged on the front end surface of the active rotating rod, a regular hexagonal groove is opened on the front end surface of the fixing column of the active rotating rod, a regular hexagonal prism is arranged on the rear end surface of the active rotating rod, and a threaded blind hole is opened on the rear end surface of the regular hexagonal prism of the active rotating rod.

[0014] Furthermore, an opening and closing guide column in the up and down directions is installed inside the threaded blind hole of the bearing mold block, a threaded column is arranged on the bottom end surface of the opening and closing guide column, and a regular hexagonal groove is arranged on the top end surface of the opening and closing guide column.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] It is convenient to insert hands into the strip groove of the supporting mold block for carrying and stressing, and convenient to install various components on the supporting mold block to form the mold body, which solves the problem that there is no carrying and stressing measures on the mold, which easily leads to difficulties in carrying and stressing of the hands of the workers, and it is inconvenient to set carrying and stressing measures on the mold to insert hands for carrying and stressing.

[0017] It is convenient for the active rotating rod to be installed on the load-bearing mold block through the bearing to carry the main bevel gear, and it is convenient for the driven rotating rod to be installed on the load-bearing mold block through the bearing to carry the slave bevel gear and the curved mold plate. It is convenient to drive the main bevel gear and the slave bevel gear to engage and transmit through the active rotating rod, and it is convenient for the driven rotating rod to rotate and engage with the curved mold plate thread through the slave bevel gear. It is convenient for the curved mold plate to be lifted and placed through the thread engagement, which solves the problem that the curved injection molded part template is inside the mold, which makes it difficult to take and place the curved injection molded part template, and it is inconvenient to install lifting measures inside the mold to lift and place the curved injection molded part template. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a main structural schematic diagram of the utility model.

[0019] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.

[0020] Figure 3 It is a schematic diagram of the disassembled structure of the utility model.

[0021] Figure 4 It is a schematic cross-sectional view of the raised curved surface mold plate of the utility model.

[0022] Figure 5 It is an assembly schematic diagram of the active rotating rod and the main bevel gear of the utility model.

[0023] Figure 6 It is an assembly schematic diagram of the driven rotating rod and the driven bevel gear of the utility model.

[0024] In the figure: 1. mold body; 2. bearing mold block; 3. opening and closing guide column; 4. active rotating rod; 5. main bevel gear; 6. driven rotating rod; 7. slave bevel gear; 8. curved mold plate. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and examples.

[0026] Embodiment 1:

[0027] As attached Figure 1 To Attachment Figure 6 As shown:

[0028] The utility model provides an injection mold for a curved surface injection molded part, comprising a mold body 1; the mold body 1 is provided with a bearing mold block 2 in the left and right directions, which is convenient for bearing various components; the four corners of the top end surface of the bearing mold block 2 are provided with threaded blind holes, which are convenient for opening and closing guide columns 3 to be installed through threads; the upper parts of the front and rear end surfaces of the bearing mold block 2 are provided with strip grooves in the left and right directions, which are convenient for hands to insert and carry the force; the top end surface of the bearing mold block 2 is provided with a rectangular groove in the left and right directions, which is convenient for various components to be placed inside; a bearing circular groove is provided in the middle of the bottom of the rectangular groove of the bearing mold block 2, which is convenient for the driven rotating rod 6 to be installed through the bearing; a through hole that penetrates front and back is provided in the middle of the bottom of the front wall of the rectangular groove of the bearing mold block 2, which is convenient for tools to be inserted into the interior; a bearing ring groove is provided in the inner circumference of the rear end of the through hole of the bearing mold block 2, which is convenient for the active rotating rod 4 to be installed through the bearing The threaded blind hole of the supporting mold block 2 is equipped with an opening and closing guide column 3 in the up and down directions, which is convenient for opening and closing guiding. The bottom end face of the opening and closing guide column 3 is provided with a threaded column, which is convenient for disassembly and assembly through the thread. The top end face of the opening and closing guide column 3 is provided with a regular hexagonal groove, which is convenient for rotation through tools. The bearing ring groove of the supporting mold block 2 is equipped with an active rotating rod 4 in the front and back directions through a bearing, which is convenient for the active rotating rod 4 to rotate through the bearing. The front end face of the active rotating rod 4 is provided with a fixed column, which is convenient for installation through the bearing. The front end face of the fixed column of the active rotating rod 4 is provided with a regular hexagonal groove, which is convenient for the tool to be inserted into the interior to rotate the active rotating rod 4. The rear end face of the active rotating rod 4 is provided with a regular hexagonal prism, which is convenient for the main bevel gear 5 to rotate synchronously. The rear end face of the regular hexagonal prism of the active rotating rod 4 is provided with a threaded blind hole, which is convenient for the main bevel gear 5 to be fixed by bolts.

[0029] Among them, a main bevel gear 5 is installed on the regular hexagonal prism of the active rotating rod 4 through bolts, which is convenient for meshing and transmission with the slave bevel gear 7. A regular hexagonal groove is opened in the middle of the front end face of the main bevel gear 5, which is convenient for the regular hexagonal prism of the active rotating rod 4 to be inserted and rotated synchronously. A through hole running through the front and back is opened in the center of the main bevel gear 5 to facilitate the insertion of bolts. A driven rotating rod 6 in the upper and lower directions is installed inside the bearing circular groove of the bearing mold block 2 through a bearing, which is convenient for the driven rotating rod 6 to rotate through the bearing. A regular hexagonal rod is set in the middle of the driven rotating rod 6, which is convenient for the synchronous rotation of the slave bevel gear 7 set. A fixing column is set on the bottom end face of the regular hexagonal rod of the driven rotating rod 6, which is convenient for installation through the bearing. A threaded rod is provided on the end face to facilitate the installation of the curved mold plate 8 by thread. A slave bevel gear 7 is sleeved on the bottom of the regular hexagonal rod of the driven rotating rod 6 to facilitate meshing transmission with the main bevel gear 5. A regular hexagonal hole running through the center of the slave bevel gear 7 is provided to facilitate the insertion and synchronous rotation of the driven rotating rod 6. The curved mold plate 8 in the left and right directions is installed on the threaded rod of the driven rotating rod 6 by thread, which facilitates the lifting and lowering of the curved mold plate 8 by threaded engagement. A threaded blind hole is provided in the center of the bottom end face of the curved mold plate 8 to facilitate the installation of the driven rotating rod 6 by thread. The middle of the top of the front and rear end faces of the curved mold plate 8 is provided with a strip groove in the left and right directions to facilitate the insertion of a tool to remove the curved mold plate 8 from the rectangular groove of the supporting mold block 2.

[0030] The specific usage and function of this embodiment are as follows:

[0031] In the present utility model, Figure 1 As shown, when the mold body 1 is transported, the hand is inserted into the strip groove of the supporting mold block 2, and the supporting mold block 2 is lifted up for transport; Figure 1 As shown, the curved mold plate 8 is inside the rectangular groove of the supporting mold block 2. When the curved mold plate 8 is lifted up and taken out, the active rotating rod 4 is rotated by a tool, so that the active rotating rod 4 drives the main bevel gear 5 to rotate synchronously, so that the main bevel gear 5 rotates and meshes with the slave bevel gear 7, so that the slave bevel gear 7 drives the driven rotating rod 6 to rotate through meshing, so that the driven rotating rod 6 rotates and meshes with the curved mold plate 8 thread, so that the curved mold plate 8 rises through thread meshing, and the state is as shown in FIG. Figure 4 As shown, the curved mold plate 8 is then taken out upward from the rectangular groove of the supporting mold block 2 .

[0032] Embodiment 2:

[0033] The difference from the first embodiment is that the regular hexagonal groove of the opening and closing guide column 3 can also be set as a regular heptagonal groove, so that the opening and closing guide column 3 can only be rotated by a special tool that cooperates with the regular heptagonal groove, preventing non-staff from rotating and disassembling the opening and closing guide column 3.

[0034] Embodiment three:

[0035] The difference from the first embodiment is that the regular hexagonal groove of the active rotating rod 4 can also be set as a regular heptagonal groove, so that the active rotating rod 4 can only be rotated by a special tool that cooperates with the regular heptagonal groove, preventing non-staff from rotating and adjusting the active rotating rod 4.

Claims

1. An injection mold for curved surface injection molded parts, characterized in that: The mold body (1) comprises a bearing mold block (2), the four corners of the top end surface of the bearing mold block (2) are provided with threaded blind holes, the upper parts of the front and rear end surfaces of the bearing mold block (2) are provided with strip grooves in the left and right directions, the top end surface of the bearing mold block (2) is provided with a rectangular groove in the left and right directions, a bearing circular groove is provided in the middle of the bottom of the rectangular groove of the bearing mold block (2), a through hole penetrating front and back is provided in the middle of the bottom of the front wall of the rectangular groove of the bearing mold block (2), and a bearing ring groove is provided in the inner circumference of the rear end of the through hole of the bearing mold block (2).

2. The curved surface injection mold according to claim 1, characterized in that: An opening and closing guide column (3) is installed inside the threaded blind hole of the bearing mold block (2), a threaded column is arranged on the bottom end surface of the opening and closing guide column (3), and a regular hexagonal groove is arranged on the top end surface of the opening and closing guide column (3).

3. The curved surface injection mold according to claim 2, characterized in that: An active rotating rod (4) is installed inside the bearing ring groove of the supporting mold block (2) via a bearing, a fixing column is arranged on the front end surface of the active rotating rod (4), a regular hexagonal groove is provided on the front end surface of the fixing column of the active rotating rod (4), a regular hexagonal prism is arranged on the rear end surface of the active rotating rod (4), and a threaded blind hole is provided on the rear end surface of the regular hexagonal prism of the active rotating rod (4).

4. The curved surface injection mold according to claim 3, characterized in that: A main bevel gear (5) is mounted on the regular hexagonal prism of the active rotating rod (4) by means of bolts, a regular hexagonal groove is provided in the middle of the front end surface of the main bevel gear (5), and a through hole is provided in the center of the main bevel gear (5) that penetrates front and back.

5. The curved surface injection mold according to claim 3, characterized in that: A driven rotating rod (6) is installed inside the bearing circular groove of the supporting mold block (2) via a bearing, a regular hexagonal rod is arranged in the middle of the driven rotating rod (6), a fixing column is arranged on the bottom end face of the regular hexagonal rod of the driven rotating rod (6), and a threaded rod is arranged on the top end face of the regular hexagonal rod of the driven rotating rod (6).

6. The curved surface injection mold according to claim 5, characterized in that: The bottom of the regular hexagonal rod of the driven rotating rod (6) is sleeved with a secondary bevel gear (7), and a regular hexagonal hole penetrating vertically is opened in the center of the secondary bevel gear (7).

7. The curved surface injection mold according to claim 6, characterized in that: A curved mold plate (8) is threadedly mounted on the threaded rod of the driven rotating rod (6); a threaded blind hole is provided at the center of the bottom end surface of the curved mold plate (8); and strip grooves in left and right directions are provided in the middle of the tops of the front and rear end surfaces of the curved mold plate (8).

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