Front mold blind inner slide mold
By designing a front mold blind inner line position mold including guide columns and buffering devices, the problem of unsatisfactory mold sealing effect in the prior art is solved, and tight sealing between molds and efficient injection molding is achieved.
Patent Information
- Application Number
- CN202421527784.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-06-28
AI Technical Summary
In the prior art, the mold ensures the tightness of the mold closing through elastic extrusion, but the sealing mechanism has the problem that the sealing effect is not ideal when worn and tightly attached to the planes.
A front mold blind inner line position mold is designed, including an upper base, a lower base, an extrusion device, an installation plate, an upper formwork, a lower formwork, an upper formwork and a lower formwork. The tight fit between the upper formwork and the lower formwork is ensured through the guide column and a buffering device to achieve a sealing effect.
Through the above structural arrangement, a tight seal between the molds is achieved, which avoids the problem of unsatisfactory sealing due to wear and ensures efficient sealing during injection molding.
Smart Images
Figure CN222959097U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of mold production equipment, and particularly relates to a front mold blind internal slider mold. Background Art
[0002] A plastic mold is a tool that is matched with a plastic molding machine in the plastic processing industry and gives plastic products a complete configuration and precise dimensions. Due to the variety of plastic varieties and processing methods, and the complexity of the structures of plastic molding machines and plastic products, the types and structures of plastic molds are also diverse. With the rapid development of the plastic industry and the continuous improvement of the strength and other aspects of general and engineering plastics, the application scope of plastic products is constantly expanding, and the consumption of plastic products is also increasing. A plastic mold is a tool for producing plastic products. It consists of several parts, and there is a molding cavity in this combination. During injection molding, the mold is clamped on the injection molding machine, molten plastic is injected into the molding cavity, and it cools and solidifies in the cavity. Then, the upper and lower molds are separated, and the product is ejected from the cavity by the ejection system and leaves the mold. Finally, the mold is closed again for the next injection molding, and the whole injection molding process is carried out cyclically. In the prior art, the tightness of the mold closure is ensured by elastic extrusion, but there is a situation where the sealing effect between the planes in contact is not ideal after wear when using the sealing mechanism in the prior art. Summary of the Utility Model
[0003] The purpose of the utility model is to provide a front mold blind internal slider mold, aiming to solve the technical problem of the unsatisfactory sealing effect in the prior art.
[0004] To achieve the above purpose, a front mold blind internal slider mold provided by an embodiment of the utility model includes an upper base, a lower base, an extrusion device, a mounting plate, an upper template, a lower template, an upper mold core and a lower mold core. The mounting plate is fixedly installed at the bottom of the upper base, the upper template is fixedly installed at the bottom of the mounting plate, the upper mold core is fixedly installed at the central position of the bottom of the upper template, the extrusion device is fixedly installed at the top of the lower base, the lower template is movably installed on the moving end of the extrusion device, and the lower template is located above the extrusion device. The lower mold core is fixedly installed at the central position of the top of the lower template, and the upper mold core and the lower mold core are arranged opposite to each other up and down. At least four guide columns are arranged on the extrusion device, and the guide columns pass through the lower template, the upper template, the mounting plate and the upper base upward in sequence.
[0005] Preferably, the extrusion device further includes a first fixing block, a second fixing block, a positioning device and a plurality of buffer devices. The first fixing block, the second fixing block and the positioning device are all fixedly installed on the top of the lower base. The buffer devices are fixedly installed on the moving plate of the positioning device. The lower template is movably connected to the buffer devices, and the end of the extrusion spring on the buffer devices abuts against the lower template.
[0006] Preferably, the positioning device includes a positioning plate, a plurality of positioning guide posts, a plurality of reset devices and a sensor. The sensor, the positioning guide posts and the reset devices are all fixedly installed on the lower base. The sensing end of the sensor protrudes above the top plane of the lower base. The positioning plate is movably connected to the positioning guide posts. The positioning plate is fixedly connected to the moving end of the reset device. The tops of the positioning guide posts and the reset devices can both abut against the bottom of the lower template.
[0007] Preferably, a positioning block is arranged on the side of the positioning plate, and the positioning block can abut against the sensing end of the sensor.
[0008] Preferably, a magnet plate is fixedly installed on the positioning plate, and the positioning guide posts and the reset devices both pass through the magnet plate.
[0009] Preferably, the guide posts are respectively fixedly installed in pairs on the tops of the first fixing block and the second fixing block.
[0010] Preferably, at least four auxiliary positioning devices are arranged at the bottom of the upper template. The auxiliary positioning devices can be mutually clamped with the lower template, and the auxiliary positioning devices are arranged around the periphery of the upper die core.
[0011] Preferably, a positioning protrusion is arranged at the bottom of the auxiliary positioning device, and a positioning inclined surface is arranged on the side surface of the positioning protrusion facing the upper die core. The positioning inclined surface is inclined downward and away from the upper die core.
[0012] Preferably, a plurality of positioning grooves are arranged at the top of the lower template. The positioning grooves are arranged around the lower die core, and the positioning protrusions are respectively arranged opposite to the positioning grooves.
[0013] Preferably, a fixing strip is arranged on the side of the upper base. The two ends of the fixing strip are respectively fixedly connected to the side of the upper base and the side of the lower template.
[0014] One or more of the above technical solutions in the front mold blind internal moving die provided by the embodiments of the present invention have at least one of the following technical effects:
[0015] The front mold blind internal slider mold in the present utility model is assembled by an upper base, a lower base, an extrusion device, a mounting plate, an upper template, a lower template, an upper mold core and a lower mold core. Among them, the upper base and the lower base are respectively fixedly connected to the equipment end to realize the operation control of the equipment on the mold. The mounting plate is fixedly installed at the bottom of the upper base to provide a mounting position. The upper template is fixedly installed at the bottom of the upper mounting plate, and the upper mold core is fixedly installed at the central position of the bottom of the upper template. The equipment drives the upper base to move and then drives the upper mold core on the upper template to move. The extrusion device is fixedly installed on the upper surface of the lower base, and then the lower template is slidably connected with the extrusion device. At the same time, the buffer end of the extrusion device abuts against the lower template. When the upper template and the lower template abut against each other, under the downward pressing force of the upper template, the lower template can continue to move down a certain distance to ensure that the upper template and the lower template are closely attached together. The lower mold core is fixedly installed at the top of the lower template, and the upper and lower mold cores are aligned and abutted to form an injection cavity. At the same time, four guide columns are arranged on the extrusion device to guide the path of the upper base and the upper template during the movement to a certain extent to avoid alignment deviation. Through the above structural settings, the front mold blind internal slider mold in the present utility model can achieve a good sealing effect. Description of the Drawings
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0017] Figure 1 It is an effect diagram of the front mold blind internal slider mold provided by the embodiment of the present utility model.
[0018] Figure 2 is Figure 1 a partial enlarged view of A in
[0019] Figure 3 It is a sectional view of the embodiment of the present utility model.
[0020] Figure 4 It is an exploded view of the upper and lower molds provided by the embodiment of the present utility model.
[0021] Among them, the reference numerals in the drawings are as follows:
[0022] 10 - upper base, 11 - fixing strip, 20 - lower base
[0023] 30 - extrusion device, 31 - first fixing block, 32 - second fixing block
[0024] 33 - Positioning device 34 - Buffer device 40 - Guide post
[0025] 50 - Mounting plate 60 - Upper template 61 - Auxiliary positioning device
[0026] 70 - Lower template 71 - Positioning groove 80 - Upper die core
[0027] 90 - Lower die core 331 - Positioning plate 332 - Positioning guide post
[0028] 333 - Reset device 334 - Inductor 611 - Positioning protrusion
[0029] 3311 - Positioning block. Detailed implementation manner
[0030] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the attached Figures 1 to 4 drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the embodiments of the present utility model, and should not be construed as a limitation on the present utility model.
[0031] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present utility model 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 should not be construed as a limitation on the present utility model.
[0032] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present utility model, "a plurality" means two or more unless otherwise specifically defined.
[0033] In the embodiments of the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "linkage", "fixation" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.
[0034] In one embodiment of the present utility model, as Figures 1 to 4 shown, a front mold blind internal slider mold is provided, which includes an upper base 10, a lower base 20, an extrusion device 30, a mounting plate 50, an upper template 60, a lower template 70, an upper mold core 80, and a lower mold core 90. The mounting plate 50 is fixedly installed at the bottom of the upper base 10, the upper template 60 is fixedly installed at the bottom of the mounting plate 50, the upper mold core 80 is fixedly installed at the central position at the bottom of the upper template 60, the extrusion device 30 is fixedly installed at the top of the lower base 20, the lower template 70 is movably installed on the movable end of the extrusion device 30, and the lower template 70 is located at the top of the extrusion device 30. The lower mold core 90 is fixedly installed at the central position at the top of the lower template 70, and the upper mold core 80 and the lower mold core 90 are arranged opposite to each other up and down. At least four guide posts 40 are provided on the extrusion device 30, and the guide posts 40 pass through the lower template 70, the upper template 60, the mounting plate 50, and the upper base 10 upward in sequence.
[0035] The inner side core pulling mold for the front mold in the present utility model is assembled by an upper base 10, a lower base 20, an extrusion device 30, a mounting plate 50, an upper template 60, a lower template 70, an upper mold core 80 and a lower mold core 90. Among them, the upper base 10 and the lower base 20 are respectively fixedly connected to the equipment end to realize the operation control of the equipment on the mold. The mounting plate 50 is fixedly installed at the bottom of the upper base 10 to provide a mounting position. The upper template 60 is fixedly installed at the bottom of the upper mounting plate 50, and the upper mold core 80 is fixedly installed at the central position at the bottom of the upper template 60. The equipment drives the upper base 10 to move and then drives the upper mold core 80 on the upper template 60 to move. The extrusion device 30 is fixedly installed on the upper surface of the lower base 20, and then the lower template 70 is slidably connected to the extrusion device 30. At the same time, the buffer end of the extrusion device 30 abuts against the lower template 70. When the upper template 60 and the lower template 70 abut against each other, under the downward pressing force of the upper template 60, the lower template 70 can continue to move downward a certain distance to ensure that the upper template 60 and the lower template 70 are closely attached together. The lower mold core 90 is fixedly installed at the top of the lower template 70, and the upper and lower mold cores 90 are aligned and abutted to form an injection molding cavity. At the same time, four guide posts 40 are arranged on the extrusion device 30 to guide the paths of the upper base 10 and the upper template 60 during the movement to a certain extent to avoid alignment deviation. Through the above structural settings, the inner side core pulling mold for the front mold in the present utility model can achieve a good sealing effect.
[0036] In another embodiment of the present utility model, as Figures 1 to 4 shown, the extrusion device 30 further includes a first fixing block 31, a second fixing block 32, a positioning device 33 and a plurality of buffer devices 34. The first fixing block 31, the second fixing block 32 and the positioning device 33 are all fixedly installed on the top of the lower base 20. The buffer device 34 is fixedly installed on the moving plate of the positioning device 33. The lower template 70 is movably connected to the buffer device 34, and the lower template 70 abuts against the end of the extrusion spring on the buffer device 34. The first fixing block 31 and the second fixing block 32 are arranged oppositely, and the first fixing block 31 and the second fixing block 32 are respectively arranged close to the two side edges of the lower base 20. The positioning device 33 and the buffer device 34 are arranged between the first fixing block 31 and the second fixing block 32. The positioning device 33 is used to control the maximum downward movement stroke of the lower template 70. The buffer device 34 is used to buffer the downward force of the lower template 70 on the one hand and to push the lower template 70 back to its original position on the other hand.
[0037] In another embodiment of the present utility model, as Figures 1 to 4As shown in the figure, the positioning device 33 includes a positioning plate 331, a plurality of positioning guide columns 332, a plurality of reset devices 333, and a sensor 334. The sensor 334 is used to sense whether the position of the downward movement of the positioning plate 331 reaches a preset maximum stroke. When the positioning plate 331 moves downward and touches the sensor 334, the displacement of the positioning plate 331 is sensed. The reset device 333 is used to push the positioning plate 331 back to its original position. The positioning guide column 332 is used to guide the movement of the positioning plate 331 to prevent deviation during the movement of the positioning plate 331. The sensor 334, the positioning guide column 332, and the reset device 333 are all fixedly installed on the lower base 20. The sensing end of the sensor 334 protrudes from the top plane of the lower base 20. The positioning plate 331 is movably connected to the positioning guide column 332, and the positioning plate 331 is fixedly connected to the moving end of the reset device 333. The tops of the positioning guide column 332 and the reset device 333 can both abut against the bottom of the lower template 70. During the downward movement of the upper template 60, the positioning plate 331 is pushed to move downward. The sensor 334 senses whether the positioning plate 331 has moved down to the maximum. The positioning plate 331 moves downward along the positioning guide column 332, and the reset device 333 pushes the positioning plate 331 back to its original position.
[0038] In another embodiment of the present invention, as Figures 1 to 2 shown, a positioning block 3311 is provided on the side of the positioning plate 331. The positioning block 3311 can abut against the sensing end of the sensor 334. The positioning block 3311 touches the sensor 334 to sense the displacement of the positioning plate 331.
[0039] In another embodiment of the present invention, as Figure 1 and Figure 4 shown, a magnet plate is fixedly installed on the positioning plate 331, and the positioning guide column 332 and the reset device 333 both pass through the magnet plate. There are multiple reset devices 333, and the magnet plate is driven to move through electromagnetic induction.
[0040] In another embodiment of the present invention, as Figure 1 and Figure 4 shown, each pair of the guide columns 40 are respectively fixedly installed on the tops of the first fixing block 31 and the second fixing block 32, so that the guide columns 40 are arranged in a matrix to ensure the smooth movement of the upper base 10, the mounting plate 50, and the upper template 60.
[0041] In another embodiment of the present invention, as Figure 1 and Figures 3 to 4 shown, at least four auxiliary positioning devices 61 are provided at the bottom of the upper template 60. The auxiliary positioning devices 61 can be mutually clamped with the lower template 70, and each of the auxiliary positioning devices 61 is arranged around the periphery of the upper die core 80. The four auxiliary positioning devices 61 further limit the precise alignment of the upper template 60 and the lower template 70.
[0042] In another embodiment of the present utility model, as Figure 1 and Figures 3 to 4 shown, a positioning protrusion 611 is provided at the bottom of the auxiliary positioning device 61, and a positioning inclined surface is provided on the side of the positioning protrusion 611 facing the upper die core 80. The positioning inclined surface is inclined downward and away from the upper die core 80. The positioning inclined surface of the positioning protrusion 611 ensures that the positioning protrusion 611 will not be stuck when aligning with the lower template 70.
[0043] In another embodiment of the present utility model, as Figure 4 shown, a plurality of positioning grooves 71 are provided at the top of the lower template 70. Each positioning groove 71 is arranged around the lower die core 90. Each positioning protrusion 611 is respectively arranged opposite to each positioning groove 71. The opening edge of the positioning groove 71 is arranged in a flared shape, and can be smoothly docked with the positioning protrusion 611.
[0044] In another embodiment of the present utility model, as Figure 1 shown, a fixing strip 11 is provided on the side of the upper base 10. The two ends of the fixing strip 11 are respectively fixedly connected to the side of the upper base 10 and the side of the lower template 70, further ensuring the tight abutment between the upper template 60 and the lower template 70, as well as between the upper die core 80 and the lower die core 90.
[0045] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. A front mold blind inner position mold, characterized in that: It includes an upper base, a lower base, an extrusion device, a mounting plate, an upper template, a lower template, an upper mold core and a lower mold core, the mounting plate is fixedly mounted on the bottom of the upper base, the upper template is fixedly mounted on the bottom of the mounting plate, the upper mold core is fixedly mounted at the central position of the bottom of the upper template, the extrusion device is fixedly mounted on the top of the lower base, the lower template is movably mounted on the moving end of the extrusion device, and the lower template is located at the top of the extrusion device, the lower mold core is fixedly mounted at the central position of the top of the lower template, and the upper mold core and the lower mold core are arranged opposite to each other up and down, and at least four guide columns are arranged on the extrusion device, and the guide columns pass through the lower template, the upper template, the mounting plate and the upper base at one time upward.
2. The front mold blind inner position mold according to claim 1, characterized in that: The extrusion device also includes a first fixed block, a second fixed block, a positioning device and a plurality of buffer devices. The first fixed block, the second fixed block and the positioning device are all fixedly installed on the top of the lower base. The buffer device is fixedly installed on the movable plate of the positioning device. The lower template is movably connected to the buffer device, and the lower template abuts against the end of the extrusion spring on the buffer device.
3. The front mold blind inner position mold according to claim 2, characterized in that: The positioning device includes a positioning plate, a plurality of positioning guide columns, a plurality of resetting devices and a sensor. The sensor, the positioning guide columns and the resetting device are all fixedly mounted on the lower base. The sensing end of the sensor is protruding from the top plane of the lower base. The positioning plate is movably connected to the positioning guide columns. The positioning plate is fixedly connected to the movable end of the resetting device. The tops of the positioning guide columns and the resetting device can both abut against the bottom of the lower template.
4. The front mold blind inner position mold according to claim 3, characterized in that: A positioning block is arranged on the side of the positioning plate, and the positioning block can abut against the sensing end of the sensor.
5. The front mold blind inner position mold according to claim 3, characterized in that: A magnet plate is fixedly mounted on the positioning plate, and the positioning guide column and the reset device are both arranged through the magnet plate.
6. The front mold blind inner position mold according to claim 2, characterized in that: The guide posts are fixedly mounted in pairs on the top of the first fixing block and the second fixing block.
7. The front mold blind inner position mold according to claim 1, characterized in that: At least four auxiliary positioning devices are arranged at the bottom of the upper mold plate, and the auxiliary positioning devices can be mutually engaged with the lower mold plate, and each of the auxiliary positioning devices is arranged around the four sides of the upper mold core.
8. The front mold blind inner position mold according to claim 7, characterized in that: A positioning protrusion is provided at the bottom of the auxiliary positioning device, and a positioning inclined surface is provided on the side of the positioning protrusion facing the upper mold core, and the positioning inclined surface is inclined from top to bottom in a direction away from the upper mold core.
9. The front mold blind inner position mold according to claim 8, characterized in that: A plurality of positioning grooves are arranged on the top of the lower mold plate, each of the positioning grooves is arranged around the lower mold core, and each of the positioning protrusions is arranged opposite to each of the positioning grooves.
10. The front mold blind inner position mold according to claim 1, characterized in that: A fixing strip is arranged on the side of the upper base, and two ends of the fixing strip are respectively fixedly connected to the side of the upper base and the side of the lower template.