Quickly-assembled lower mold and injection mold

Abstract

The utility model relates to the technical field of molds, in particular to a quickly-assembled lower mold and an injection mold. A fast-assembly type lower die comprises a die base plate, a mounting plate and a lower die plate, the lower die plate is arranged on the mounting plate, and the lower die plate is provided with a forming core and a forming block; a cavity is formed between the concave part of the forming block and the forming core; the mounting block is detachably arranged on the outer side of the forming block; the ejector pin module comprises a driving assembly and an ejection assembly; the driving assembly is detachably arranged between the mold base plate and the mounting plate; the first ejector pin of the ejection assembly penetrates through the forming core, and the second ejector pin of the driving assembly can eject the ejection assembly. When the ejector pin is replaced, the mounting block is detached, then the forming block, the forming core and the ejection assembly are detached, and then the driving assembly is pulled away. On the contrary, the ejector pin is assembled, so that the ejector pin is very simple and convenient to assemble and disassemble, and the test efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a quick-install lower mold and an injection mold. Background Art

[0002] When the injection mold is initially opened, it needs to be tested and inspected repeatedly, and can only be put into use after the test is qualified. In production, most molds and mold frames are matched, but in experimental testing, multiple molds need to share a set of mold frames, which can reduce mold costs, that is, reduce the number of mold bases (mold frames).

[0003] For ordinary molds, when replacing the mold core and testing the mold cavity, the mold needs to be removed from the mold base, and the ejector pin also needs to be removed and replaced. At this time, the entire mold needs to be disassembled from the machine. This disassembly method is complicated and the disassembly workload is large, which affects work efficiency.

[0004] For example, patent number: CN202320216753.0 discloses a mold structure with a pin reset and limit function, including a mold base, the mold base includes a lower mold base and an upper mold base, the lower mold base includes a bottom plate, square irons are symmetrically arranged on the top of the bottom plate, a pin plate located on the bottom plate is arranged between the symmetrical square irons, and a B plate is installed on the top of the symmetrical square irons, a rear mold core is arranged on the top of the B plate, and a row position is arranged in the middle of the rear mold core, concave side locks are arranged on both sides of the top of the B plate, and a water channel is arranged inside the B plate, and a reset baffle and a reset rotating rod are installed on the front and rear outer walls of the B plate, and the reset rotating rod A reset baffle 2 located on the outer wall of the ejector plate is arranged below the upper mold base; the upper mold base includes a panel, a nozzle plate is arranged below the panel, an A plate is installed at the bottom of the nozzle plate, guide pillars are installed at the four corners of the bottom of the A plate, convex side locks are arranged on both sides of the bottom of the A plate, and reset rods are installed on the front and rear outer walls of the A plate, a front mold core located on the outer wall of the bottom of the A plate is arranged between the plurality of guide pillars, and a plurality of inclined guide pillar groups and shovel parts are arranged on the front mold core. It can be seen from this that when the rear mold core is replaced for testing, the ejector pins and the ejector pin plates need to be removed one by one, and then the ejector pins need to be reinstalled, etc. This disassembly and replacement is complicated, which affects the test efficiency.

[0005] Another example is patent number: CN201721053433.9 discloses a mold base of a novel injection mold, including a panel, A plate, B plate, square iron, upper needle plate, lower needle plate and bottom plate arranged in sequence from top to bottom, the panel is provided with positioning pins, panel screws, positioning rings and nozzles, the panel is mounted on the A plate through positioning pins and panel screws, the nozzle is mounted on the panel through the positioning ring, the A plate is provided with an upper mold fine frame, guide pillars and code mold grooves, the code mold grooves are arranged on the side of the upper surface of the A plate, the guide pillars are installed on the panel, and are passed through in sequence. Through the A plate and the B plate, the B plate is provided with a lower mold fine frame and a guide sleeve corresponding to the upper mold fine frame, the upper needle plate and the lower needle plate are provided with a return needle and an ejector pin, the upper end of the return needle is provided on the B plate, and the lower end is provided on the lower needle plate, the bottom plate is provided with a middle guide column and a base screw, the lower end of the middle guide column is installed on the bottom plate, and the upper end passes through the upper needle plate and the lower needle plate to the B plate in turn, and the base screw can fix the bottom plate, the square iron and the B plate. "It can be seen that the disassembly of the upper needle plate, the lower needle plate and the ejector pin is relatively difficult, and it takes a lot of time, which reduces the efficiency of the test. Utility Model Content

[0006] In view of this, the utility model aims at the deficiencies of the prior art, and its main purpose is to provide a quick-install lower mold, whose ejector pins are easy to replace, which is beneficial to improving the testing efficiency, thereby overcoming the deficiencies of the prior art.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] The present application provides a quick-install lower mold, comprising a mold base plate, a mounting plate, and a lower mold plate, wherein a square iron is arranged between the mold base plate and the mounting plate; the lower mold plate is arranged on the mounting plate, and the lower mold plate is provided with a molding core and a molding block; the molding block is formed with a recessed portion near the molding core; a mold cavity is formed between the recessed portion and the molding core; the mounting block is detachably arranged on the outer side of the molding block; an ejector module comprises a driving assembly and an ejection assembly; the driving assembly is detachably arranged between the mold base plate and the mounting plate; a first ejector pin of the ejection assembly passes through the molding core, and a second ejector pin of the driving assembly can lift the ejection assembly.

[0009] Preferably, the molding core is arranged on the first mounting seat; a spring is arranged between the first mounting seat and the ejection assembly; and the spring can push the ejection assembly away from the molding core.

[0010] Preferably, the mounting platform of the lower template is provided with a sliding block and a first limiting block; the bottom of the mounting block is provided with a sliding groove and a second limiting groove; the sliding block slides in the sliding groove; and the protrusion of the first limiting block is embedded in the second limiting groove.

[0011] Preferably, second limit blocks are provided on the left and right sides of the mounting platform of the lower template; the mounting block is provided with a third limit block, and the second limit block presses the third limit block.

[0012] Preferably, the ejector assembly further includes a first ejector plate, a second ejector plate, and the first ejector; the first ejector is arranged on the first ejector plate; and the second ejector plate is arranged on the first ejector plate.

[0013] Preferably, the driving assembly further includes a third ejector plate, a fourth ejector plate, a fifth ejector plate, and a sixth ejector plate; the second ejector is arranged on the fourth ejector plate, and the second ejector can be ejected from the third ejector plate; the fifth ejector plate is arranged on the fourth ejector plate; the sixth ejector plate is arranged on the fifth ejector plate; the third ejector plate can be pulled out on the mounting plate; the sixth ejector plate can be pulled out on the mold base plate.

[0014] Preferably, first limiting edges extend from both sides of the third ejector plate, and the first limiting edges are embedded in a first mounting groove provided at the bottom of the mounting plate; second limiting edges extend from both sides of the sixth ejector plate, and the second limiting edges are embedded in a second mounting groove provided at the top of the mold base plate.

[0015] Preferably, fourth limit blocks are further provided on both sides of the lower template, and the mounting block can be stopped by the fourth limit blocks.

[0016] The present application provides an injection mold, comprising a quick-install lower mold and an upper mold; the upper mold comprises an upper mold base, an upper mold plate, and an upper mold core; the upper mold plate is provided with a fifth limit block, and the fifth limit block can squeeze the installation block.

[0017] Preferably, the lower template is provided with a third limiting groove, and the fifth limiting block can be inserted into the third limiting groove.

[0018] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that the lower template is provided with a molding core and a molding block; a cavity is formed between the recessed portion of the molding block and the molding core; the mounting block is detachably arranged on the outer side of the molding block to limit the molding block. The ejector module includes a driving assembly and an ejector assembly; the driving assembly is detachably arranged between the mold base plate and the mounting plate; the first ejector of the ejector assembly is inserted into the molding core, and the second ejector of the driving assembly can lift the ejector assembly. When replacing the ejector, remove the mounting block, then remove the molding block and the molding core, then remove the ejector assembly, and then pull out the driving assembly. On the contrary, it is the assembly of the ejector. It can be seen that the installation and removal of the ejector are very simple and efficient, which is conducive to improving the efficiency of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0020] Figure 2 It is an exploded schematic diagram of the first embodiment of the utility model.

[0021] Figure 3 It is an exploded schematic diagram of the first embodiment of the utility model.

[0022] Figure 4 It is a partial structural decomposition schematic diagram of the first embodiment of the utility model.

[0023] Figure 5 It is a schematic diagram of the assembly of the ejector module of the first embodiment of the utility model.

[0024] Figure 6 It is a partial structural decomposition schematic diagram of the first embodiment of the utility model.

[0025] Figure 7 It is a schematic diagram of a driving assembly of the first embodiment of the utility model.

[0026] Description of the accompanying drawings:

[0027] 10. Die base plate 11. Mounting plate 12. Square iron

[0028] 20, lower template 21, mounting platform 22, second limit block 23, slider 24, first limit block 25, fourth limit block 26, third limit groove

[0029] 30, mounting block 31, third limiting block 32, forming block 33, recessed portion 34, first mounting seat 35, forming core

[0030] 40, ejector module 410, ejector assembly 411, spring 412, first ejector plate 413, second ejector plate 414, first ejector 420, drive assembly 421, third ejector plate 422, first limiting edge 423, fourth ejector plate 424, fifth ejector plate 425, sixth ejector plate 426, second limiting edge 427, second ejector

[0031] 50. The fifth limit block. DETAILED DESCRIPTION

[0032] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0033] Embodiment 1

[0034] Please refer to Figures 1 to 7 As shown, it shows the specific structure of the preferred embodiment of the utility model, which is a quick-install lower mold.

[0035] Among them, the mold base plate 10, the mounting plate 11, the lower mold plate 20, the square iron 12, etc. are assembled into a mold frame (mold base). When disassembling and replacing the ejector pin, it is only necessary to remove the molding core 35 and the molding block 32, and then pull out the moving assembly, so that the ejector assembly 410 can be replaced again, so the removal and installation of the ejector pin are very convenient.

[0036] The present application provides a quick-install lower mold, including a mold base plate 10, a mounting plate 11, and a lower mold plate 20, wherein a square iron 12 is arranged between the mold base plate 10 and the mounting plate 11; the lower mold plate 20 is arranged on the mounting plate 11, and the lower mold plate 20 is provided with a molding core 35 and a molding block 32; the molding block 32 is formed with a recessed portion 33 near the molding core 35; a cavity is formed between the recessed portion 33 and the molding core 35; the mounting block 30 is detachably arranged on the outer side of the molding block 32; the ejector module 40 includes a driving component 420 and an ejection component 410; the driving component 420 is detachably arranged between the mold base plate 10 and the mounting plate 11; the first ejector 414 of the ejector component 410 is passed through the molding core 35, and the second ejector 427 of the driving component 420 can lift the ejector component 410. The square iron 12 is arranged on the mold base plate 10, and the mounting plate 11 is arranged on the square iron 12, so that a space for installing the ejector module 40 is reserved between the mounting plate 11 and the mold base plate 10. Preferred assembly steps: 1. The drive assembly 420 is assembled in the reserved installation position formed between the mounting plate 11 and the mold base plate 10. 2. The ejector assembly 410 is assembled at the position of the lower mold plate 20 and corresponds to the drive assembly 420. 3. The molding core 35 is assembled, and the first ejector 414 is passed through the molding core 35. 4. The molding block 32 is installed on the side of the molding core 35, and then the mounting block 30 is installed on the outside of the molding block 32. The mounting block 30 limits the molding block 32 so that the molding block 32 and the molding core 35 are assembled together. 5. The drive assembly 420 is actuated, so that the second ejector 427 lifts the ejector assembly 410, and the first ejector 414 is ejected from the molding core 35. On the contrary, it is the replacement and unloading of the ejector module 40, and its replacement and assembly are very convenient. It can be seen that when assembling or replacing the forming block 32, the forming core 35, and the ejector module 40, there is no need to remove the entire lower mold from the machine, and it can be directly replaced on the machine, which is more efficient. The mold base plate 10, the mounting plate 11, the lower mold plate 20, the square iron 12, the ejector module 40, the mounting block 30, the third limit block 31, the fifth limit block 50 and other accessories are preferably assembled by screws.

[0037] Please refer to Figure 3 , Figure 5-6As shown, preferably, the molding core 35 is arranged on the first mounting seat 34; a spring 411 is arranged between the first mounting seat 34 and the ejection assembly 410; the spring 411 can push the ejection assembly 410 away from the molding core 35. The molding core 35 is arranged on the first mounting seat 34, and then the elastic force of the spring 411 will push the ejection assembly 410 away from the molding core 35, that is, without external force driving, the first ejector pin 414 is retracted into the molding core 35. When the second ejector pin 427 of the driving assembly 420 pushes the ejection assembly 410 upward, the first ejector pin 414 is ejected from the molding core 35.

[0038] Please refer to Figure 2-3 As shown, preferably, the mounting platform 21 of the lower template 20 is provided with a slider 23 and a first limit block 24; the bottom of the mounting block 30 is provided with a slide groove and a second limit groove; the slider 23 slides in the slide groove; the protrusion of the first limit block 24 is embedded in the second limit groove. There are two second limit grooves, wherein the first second limit groove corresponds to the mold closing, and the second second limit groove corresponds to the mold opening. The left and right sides of the mounting platform 21 of the lower template 20 are provided with second limit blocks 22; the mounting block 30 is provided with a third limit block 31, and the second limit block 22 presses the third limit block 31. The middle part of the first mounting seat 34 is provided for a mounting hole, and the forming core 35 penetrates from bottom to top and is limited in the mounting hole by the protrusion at the root of the forming core 35, and then the first mounting seat 34 is fixed to the lower template 20. The molding block 32 and the molding core 35 are assembled together, and then the molding block 32 is pushed toward the molding core 35 from the side, so that the slider 23 slides in the slide groove, the protrusion of the first limit block 24 is embedded in the second limit groove, and the second limit block 22 presses the third limit block 31. When the mold is closed, the mounting block 30, the molding block 32, and the molding core 35 are firmly combined together. When the mold is opened, the mounting block 30 and the molding block 32 slide outward for a certain distance, that is, to separate the molding block 32 and the molding core 35 by a certain gap, which is convenient for demolding when the mold is opened.

[0039] Preferably, the ejector assembly 410 further includes a first ejector pin 414 plate 412, a second ejector pin 427 plate 413, and the first ejector pin 414; the first ejector pin 414 is disposed on the first ejector pin 414 plate 412; the second ejector pin 427 plate 413 is disposed on the first ejector pin 414 plate 412. When the second ejector pin 427 of the driving assembly 420 pushes the second ejector pin 427 plate 413 and / or the first ejector pin 414 upward, the first ejector pin 414 moves upward; the first ejector pin 414 can be ejected from the molding core 35, thereby ejecting the product.

[0040] Preferably, the driving assembly 420 also includes a third ejector plate 421, a fourth ejector plate 423, a fifth ejector plate 424, and a sixth ejector plate 425; the second ejector 427 is arranged on the fourth ejector plate 423, and the second ejector 427 can be ejected from the third ejector plate 421; the fifth ejector plate 424 is arranged on the fourth ejector plate 423; the sixth ejector plate 425 is arranged on the fifth ejector plate 424; the third ejector plate 421 can be pulled out and arranged on the mounting plate 11; the sixth ejector plate 425 can be pulled out and arranged on the mold base plate 10. When the mold is set on the machine, the fifth ejector plate 424 obtains power to move upward, thereby pushing the fourth ejector plate 423 to move upward, and then the second ejector 427 can be ejected from the third ejector plate 421. The second ejector 427 lifts the second ejector plate 427 413 and / or the first ejector 414 so that the first ejector 414 is ejected from the molding core 35.

[0041] Preferably, first limiting edges 422 are extended on both sides of the third ejector plate 421, and the first limiting edges 422 are embedded in the first mounting groove provided at the bottom of the mounting plate 11; second limiting edges 426 are extended on both sides of the sixth ejector plate 425, and the second limiting edges 426 are embedded in the second mounting groove provided at the top of the mold base plate 10. The cross-sections of the third ejector plate 421 and the sixth ejector plate 425 are T-shaped structures, and the corresponding second mounting groove and first mounting groove are also T-shaped structures. This design facilitates the removal of the drive assembly 420, thereby facilitating the replacement of the ejector.

[0042] Preferably, fourth limit blocks 25 are further provided on both sides of the lower mold plate 20, and the mounting block 30 can be stopped by the fourth limit blocks 25. When the mold is opened, the fourth limit blocks 25 can control the movement amplitude of the mounting block 30, so that the gap between the forming block 32 and the forming core 35 can be well controlled to improve the work efficiency.

[0043] Embodiment 2

[0044] The present application provides an injection mold, comprising a quick-install lower mold and an upper mold; the upper mold comprises an upper mold base, an upper mold plate, and an upper mold core; the upper mold plate is provided with a fifth limit block 50, and the fifth limit block 50 can squeeze the mounting block 30. Preferably, the lower mold plate 20 is provided with a third limit groove 26, and the fifth limit block 50 can be inserted into the third limit groove 26. When the mold is closed, the fifth limit block 50 squeezes the mounting block 30, which can ensure the sealing of the mold and ensure the product quality.

[0045] In summary, the design focus of the utility model is that the mold base plate 10, the mounting plate 11, the lower mold plate 20, the square iron 12, etc. are assembled into a mold frame (mold base). When replacing the ejector pin, it is only necessary to remove the molding core 35, the molding block 32, and the ejector assembly 410, and then pull out the moving assembly, so that the ejector assembly 410 can be replaced again, so the removal and installation of the ejector pin are very convenient.

[0046] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A quick-install lower mold, comprising a mold base plate, a mounting plate, and a lower mold plate, wherein a square iron is arranged between the mold base plate and the mounting plate; the lower mold plate is arranged on the mounting plate, and is characterized in that: The lower mold plate is provided with a molding core and a molding block; the molding block is formed with a recessed portion near the molding core; a mold cavity is formed between the recessed portion and the molding core; The mounting block is detachably arranged on the outer side of the forming block; The ejector module comprises a driving component and an ejector component; the driving component is detachably arranged between the die base plate and the mounting plate; the first ejector of the ejector component passes through the molding core, and the second ejector of the driving component can lift the ejector component.

2. The quick-install lower die according to claim 1, characterized in that: The molding core is arranged on the first mounting seat; a spring is arranged between the first mounting seat and the ejection assembly; the spring can push the ejection assembly away from the molding core.

3. The quick-install lower die according to claim 1, characterized in that: The installation platform of the lower template is provided with a sliding block and a first limiting block; the bottom of the installation block is provided with a sliding groove and a second limiting groove; the sliding block slides in the sliding groove; the protrusion of the first limiting block is embedded in the second limiting groove.

4. The quick-install lower die according to claim 3, characterized in that: The left and right sides of the installation platform of the lower template are provided with second limit blocks; the installation block is provided with a third limit block, and the second limit block presses the third limit block.

5. The quick-install lower die according to claim 1, characterized in that: The ejector assembly further includes a first ejector plate, a second ejector plate, and the first ejector; the first ejector is arranged on the first ejector plate; and the second ejector plate is arranged on the first ejector plate.

6. A quick-install lower die according to claim 1 or 5, characterized in that: The driving assembly also includes a third ejector plate, a fourth ejector plate, a fifth ejector plate, and a sixth ejector plate; the second ejector is arranged on the fourth ejector plate, and the second ejector can be ejected from the third ejector plate; the fifth ejector plate is arranged on the fourth ejector plate; the sixth ejector plate is arranged on the fifth ejector plate; the third ejector plate can be pulled out on the mounting plate; the sixth ejector plate can be pulled out on the mold base plate.

7. The quick-install lower die according to claim 6, characterized in that: The third ejector plate has first limiting edges extending from both sides, and the first limiting edges are embedded in the first mounting groove set at the bottom of the mounting plate; the sixth ejector plate has second limiting edges extending from both sides, and the second limiting edges are embedded in the second mounting groove set at the top of the mold base plate.

8. The quick-install lower die according to claim 6, characterized in that: Fourth limiting blocks are also arranged on both sides of the lower template, and the mounting block can be stopped by the fourth limiting blocks.

9. An injection mold, characterized in that: It comprises a quick-install lower mold and an upper mold as described in any one of claims 1-8; the upper mold comprises an upper mold base, an upper mold plate, and an upper mold core; the upper mold plate is provided with a fifth limit block, and the fifth limit block can squeeze the installation block.

10. An injection mold according to claim 9, characterized in that: The lower template is provided with a third limiting groove, and the fifth limiting block can be inserted into the third limiting groove.

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