CN210820691U - Runner size adjusting device and injection mold - Google Patents
Runner size adjusting device and injection mold Download PDFInfo
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- CN210820691U CN210820691U CN201921652888.1U CN201921652888U CN210820691U CN 210820691 U CN210820691 U CN 210820691U CN 201921652888 U CN201921652888 U CN 201921652888U CN 210820691 U CN210820691 U CN 210820691U
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Abstract
The utility model relates to a flow passage size adjusting device and an injection mold, wherein the device comprises a flow passage insert, an adjusting block and a guide mechanism; the guide mechanism comprises a guide block, a driving mechanism for driving the guide block and the adjusting block to move relatively and a resetting mechanism for driving the guide block to reset; when the guide block is driven by the driving mechanism, the adjusting block can be pushed to slide along the flow channel in the flow channel insert, so that the length of the adjusting block extending into the flow channel is changed, and the size adjustment of the flow channel is realized. The utility model provides a runner size adjusting device adjusts the accuracy higher, and the die assembly workman need not dismouting runner governing valve many times again, and labour saving and time saving saves manufacturing cost and improves production efficiency.
Description
Technical Field
The utility model relates to a mould field, specific be a runner size adjusting device and injection mold.
Background
In order to save the manufacturing cost of the mold, the common molding of multiple products is a common condition in the mold design; the difference of size exists during different product common modes, need to consider when the mould design and strain runner balance problem, through the size of the runner size that adjusts different products and correspond promptly, guarantees that each product can accomplish the packing by the same time basically, can not take place the problem that individual product was passed the pressurize. To achieve the purpose, when designing the mold, a designer can design a flow channel regulating valve for the flow channel of each product;
the flow passage regulating valve of a product can be designed into a plurality of regulating valves with different sizes during design, and the proper regulating valves are replaced according to the actual forming requirements; the existing regulating valve is fixed on a mould by screws, when a plurality of products are in a common mode, a proper flow regulating valve is exchanged for each product, a lot of manpower and time are consumed, and the throttling valve is prepared into a plurality of common sizes in advance according to experience of a designer, so that the regulating valve can be regulated between a limited number of sizes, and the regulating accuracy is limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a runner size adjusting device and injection mold promptly need not the dismouting and changes relevant structure and can realize runner size control, and has higher regulation precision.
In order to achieve the purpose, the utility model provides a flow passage size adjusting device, which comprises a flow passage insert, an adjusting block and a guide mechanism;
the guide mechanism comprises a guide block, a driving mechanism for driving the guide block and the adjusting block to move relatively and a resetting mechanism for driving the guide block to reset;
when the guide block is driven by the driving mechanism, the adjusting block can be pushed to slide along the flow channel in the flow channel insert, so that the length of the adjusting block extending into the flow channel is changed, and the size adjustment of the flow channel is realized.
Furthermore, the regulating block comprises a regulating head and a wedge-shaped regulating part, the regulating head is connected with the flow channel in a sliding and sealing mode, and the inclined plane of the wedge-shaped regulating part is connected with the guide surface of the guide block in a sliding fit mode.
Furthermore, the wedge-shaped adjusting part is in sliding connection with the guide surface through a matched guide rail groove and a matched guide rail.
Further, the guide rail groove comprises any one of a dovetail groove and a T-shaped groove.
Further, the maximum length of the adjusting head capable of extending into the flow channel is not less than the height of the cross section of the flow channel.
Further, the driving mechanism comprises a wedge-shaped pressing block and a screw rod in threaded connection with the wedge-shaped pressing block, and the guide block is provided with a driving surface matched with the inclined surface of the wedge-shaped pressing block; and rotating the screw rod, moving the wedge-shaped pressing block along the screw rod, and matching the reset mechanism with the wedge-shaped pressing block to push the guide block to move.
Further, the return mechanism includes a spring.
Further, the spring is a yellow rectangular spring.
An injection mold comprises a female mold plate, a female mold core arranged below the female mold plate and the flow passage size adjusting device, wherein a flow passage insert is embedded in the female mold plate and is fixedly connected with the female mold core.
Compared with the prior art, the technical scheme has the following beneficial effects:
(1) when the guide block is driven by the driving mechanism, the adjusting block can be pushed to slide along the flow channel in the flow channel insert, so that the length of the adjusting block extending into the flow channel is changed, the size of the flow channel is adjusted, the adjusting valve with the corresponding size does not need to be disassembled and assembled before each use, time and labor are saved, the production efficiency is improved, and the production cost is reduced;
(2) the driving mechanism comprises a wedge-shaped pressing block and a screw rod in threaded connection with the wedge-shaped pressing block, the screw rod is rotated, the wedge-shaped pressing block moves along the screw rod, the resetting mechanism is matched with the wedge-shaped pressing block to push the guide block to move, stepless accurate adjustment can be achieved, the adjustment precision is higher, and the production adaptability is wider;
(3) the spring is used as the reset mechanism, real-time response can be realized, the wedge-shaped pressing block is tightly attached to the guide block, the adjustment accuracy is improved, and the production precision and the product forming quality are guaranteed.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and related drawings.
Drawings
Fig. 1 is a schematic structural diagram of an injection mold according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 after removal of the master template;
FIG. 3 is an exploded view of FIG. 2;
fig. 4 is a schematic structural diagram of a use state of the flow passage size adjusting device according to an embodiment of the present invention;
fig. 5 is another schematic structural diagram of a use state of the flow passage size adjusting device according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of the adjusting block in FIG. 4;
fig. 7 is a schematic structural view of the guide block in fig. 4.
Description of reference numerals: the device comprises a flow channel insert 1, a regulating block 2, a guide mechanism 3, a cavity plate 4, a cavity insert 5, a flow channel 6, a guide block 7, a driving mechanism 8, a reset mechanism 9, a regulating head 10, a guide surface 11, a wedge-shaped regulating part 12, a guide rail groove 13, a guide rail 14, a wedge-shaped press block 15, a screw 16 and a driving surface 17.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Fig. 1-7 show a flow channel size adjusting device of the present invention, which comprises a flow channel insert 1, an adjusting block 2 and a guiding mechanism 3;
the runner insert 1 is embedded in the female die plate 4 and is fixedly connected with the female die core 5; the guide mechanism 3 can drive the adjusting block 2 to slide along the flow channel 6 in the flow channel insert 1 so as to adjust the size of the flow channel 6;
the guide mechanism 3 comprises a guide block 7, a driving mechanism 8 for driving the guide block 7 and the adjusting block 2 to move relatively and a resetting mechanism 9 for driving the guide block 7 to reset;
the adjusting block 2 is arranged on the cross section of the runner 6 in a sliding manner, under the driving of the driving mechanism 8, the position in the cross section of the runner 6 can be changed through the guide of the guide block 7 in a sliding manner, so that the cross section area of the runner 6 which allows circulation is changed, the flow of the runner 6 is changed, the flow size of different product production is adapted, the adjusting accuracy can be ensured by the resetting mechanism 9, the adjusting block 2 cannot be clamped and fixed at a certain position, and the quick resetting and accurate response can be realized;
the adjusting mode does not need to replace the adjusting valve with fixed size before use every time, and the flow can be accurately controlled only by adjusting the position of the adjusting block 2 as required.
In one embodiment, the adjusting block 2 comprises an adjusting head 10 connected with the flow passage 6 in a sliding and sealing manner and a wedge-shaped adjusting part 12 connected with a guide surface 11 of the guide block 7 in a sliding and matching manner;
the wedge-shaped adjusting part 12 is in contact with the guide surface 11, and after being guided by the guide surface 11, the position of the adjusting head 10 in the flow channel 6 is changed, so that the cross-sectional area of the flow channel 6 allowing flow is adjusted, and the flow rate is adjusted.
Furthermore, the wedge-shaped adjusting part 12 is connected with the guide surface 11 in a sliding manner through a matched guide rail groove 13 and a matched guide rail 14;
the guide surface 11, the guide rail groove 13 and the guide rail 14 are required to be subjected to nitriding treatment to increase the wear resistance, and the guide rail groove 13 and the guide rail 14 can enable the relative matching and sliding of the adjusting block 2 and the guide block 7 to be more accurate and compact, so that the use is prevented from being influenced by faults such as dislocation, clamping and the like.
In one embodiment, the rail groove 13 includes any one of a dovetail groove and a T-shaped groove.
The shapes of the dovetail groove and the like can ensure that the adjusting block 2 and the guide block 7 only slide relatively along the direction of the guide surface 11, relative movement at other positions cannot occur, the adjusting block and the guide block are always in contact with each other, separation cannot occur, and the adjusting accuracy and timely response are ensured.
Further, the length of the adjusting head 10 capable of extending into the flow channel 6 is not less than the height of the cross section of the flow channel 6;
the regulating head 10 is ensured to be capable of completely blocking the flow channel 6 when needed, so that the flow rate is 0.
In one embodiment, the driving mechanism 8 comprises a wedge-shaped pressing block 15 and a screw 16 in threaded connection with the wedge-shaped pressing block 15, and the guide block 7 is provided with a driving surface 17 matched with the wedge-shaped pressing block 15; rotating the screw 16 to make the wedge-shaped pressing block 15 and the screw 16 relatively displace, thereby pushing the guide block 7 to move;
the screw 16 can accurately adjust the distance of the wedge-shaped pressing block 15 in a stepless manner, and the distance is transmitted to the guide block 7 after being guided by the driving surface 17, so that the guide block 7 can also accurately slide; after being guided by the guide surface 11, the adjusting block 2 can move in the flow channel 6 accurately, thereby changing the flow rate of the flow channel 6.
Further, the return mechanism 9 includes a spring;
the spring is convenient to use and simple to install and is low in cost.
In one embodiment, the spring is a yellow rectangular spring;
the yellow rectangular spring has certain bearing capacity, long service life and low cost, and is suitable for being used in a die.
An injection mold comprises a female mold plate 4, a female mold core 5 arranged below the female mold plate 4 and the size adjusting device of the runner 6, wherein the runner insert 1 is embedded in the female mold plate 4 and is fixedly connected with the female mold core 5;
the injection mold adopting the runner 6 size adjusting device can conveniently adjust the flow of different runners 6 so as to adapt to the production requirements of different products, and the adjustment size does not need to be repeatedly disassembled and assembled, so that the installation and the use are convenient.
The utility model discloses runner size adjusting device adopts regulating block 2 to adjust 6 sizes and the flow of runner, can accomplish stepless accurate regulation after the drive arrangement drive guide that is equipped with screw rod 16, and it is higher to adjust the precision, and adaptability is stronger, and need not artifical dismouting runner governing valve many times, has reduced manufacturing cost, has improved production efficiency.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A flow channel size adjusting device is characterized by comprising a flow channel insert, an adjusting block and a guide mechanism;
the guide mechanism comprises a guide block, a driving mechanism for driving the guide block and the adjusting block to move relatively and a resetting mechanism for driving the guide block to reset;
when the guide block is driven by the driving mechanism, the adjusting block can be pushed to slide along the flow channel in the flow channel insert, so that the length of the adjusting block extending into the flow channel is changed, and the size adjustment of the flow channel is realized.
2. The device of claim 1, wherein the adjusting block comprises an adjusting head and a wedge-shaped adjusting portion, the adjusting head is connected with the flow channel in a sliding and sealing manner, and the inclined surface of the wedge-shaped adjusting portion is connected with the guide surface of the guide block in a sliding fit manner.
3. The device of claim 2, wherein the wedge-shaped adjustment portion is slidably connected to the guide surface via a matching guide groove and a matching guide rail.
4. The flow passage size adjusting apparatus according to claim 3, wherein the guide rail groove includes any one of a dovetail groove and a T-shaped groove.
5. The flow channel size adjustment device of claim 2, wherein the maximum length that the adjustment head can extend into the flow channel is not less than the cross-sectional height of the flow channel.
6. The flow channel size adjustment device of claim 1, wherein the driving mechanism comprises a wedge-shaped pressing block and a screw rod in threaded connection with the wedge-shaped pressing block, and the guide block has a driving surface adapted to the inclined surface of the wedge-shaped pressing block; and rotating the screw rod, moving the wedge-shaped pressing block along the screw rod, and matching the reset mechanism with the wedge-shaped pressing block to push the guide block to move.
7. The flow channel size adjustment device of claim 1, wherein the return mechanism comprises a spring.
8. The flow channel size adjustment device of claim 7, wherein the spring is a yellow rectangular spring.
9. An injection mold, comprising a female mold plate, a female mold core arranged below the female mold plate, and the flow passage size adjusting device of any one of claims 1 to 8, wherein the flow passage insert is embedded in the female mold plate and is fixedly connected with the female mold core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652888.1U CN210820691U (en) | 2019-09-30 | 2019-09-30 | Runner size adjusting device and injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652888.1U CN210820691U (en) | 2019-09-30 | 2019-09-30 | Runner size adjusting device and injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210820691U true CN210820691U (en) | 2020-06-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921652888.1U Active CN210820691U (en) | 2019-09-30 | 2019-09-30 | Runner size adjusting device and injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210820691U (en) |
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2019
- 2019-09-30 CN CN201921652888.1U patent/CN210820691U/en active Active
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