CN222712765U - A mold opening mechanism and injection mold - Google Patents
A mold opening mechanism and injection mold Download PDFInfo
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- CN222712765U CN222712765U CN202420552317.5U CN202420552317U CN222712765U CN 222712765 U CN222712765 U CN 222712765U CN 202420552317 U CN202420552317 U CN 202420552317U CN 222712765 U CN222712765 U CN 222712765U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 55
- 238000002347 injection Methods 0.000 title claims abstract description 45
- 239000007924 injection Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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- 238000004806 packaging method and process Methods 0.000 description 1
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Abstract
本申请涉及一种开模机构及注塑模具，其涉及注塑模具的技术领域，开模机构包括活动拉杆、弹性锁定件以及固定拉杆，所述活动拉杆在所述固定拉杆内滑移，所述活动拉杆与所述弹性锁定件配合使用；所述模具闭合时所述弹性锁定件与所述活动拉杆卡接配合，所述模具开模时所述活动拉杆带动所述弹性锁定件移动，所述弹性锁定件移动至与所述固定拉杆抵触时所述弹性锁定件缩回并与所述活动拉杆相脱离。本申请的开模机构结构设计简单，能够达到简易控制模具开模顺序的效果，使得模具的开模过程更加顺畅；并且本申请的开模机构的驱动直接作用于模具上，并未直接作用于产品上，从而能够保障产品的外观，本申请在实际生产中应用时能够提高开模效率和产品质量。
The present application relates to a mold opening mechanism and an injection mold, which relates to the technical field of injection molds. The mold opening mechanism includes a movable pull rod, an elastic locking piece and a fixed pull rod. The movable pull rod slides inside the fixed pull rod, and the movable pull rod is used in conjunction with the elastic locking piece. When the mold is closed, the elastic locking piece engages with the movable pull rod. When the mold is opened, the movable pull rod drives the elastic locking piece to move. When the elastic locking piece moves to contact with the fixed pull rod, the elastic locking piece retracts and disengages from the movable pull rod. The mold opening mechanism of the present application has a simple structural design, which can achieve the effect of simply controlling the mold opening sequence, making the mold opening process smoother. Moreover, the drive of the mold opening mechanism of the present application acts directly on the mold, and does not directly act on the product, so as to ensure the appearance of the product. When the present application is used in actual production, it can improve the mold opening efficiency and product quality.
Description
Technical Field
The application relates to the field of injection molds, in particular to a mold opening mechanism and an injection mold.
Background
The injection mold, as a tool for producing plastic articles, has the ability to impart a complete structure and precise dimensions to the plastic articles. The existing injection mold is generally composed of a movable mold and a fixed mold, wherein the movable mold is arranged on a movable mold plate of an injection molding machine, the fixed mold is arranged on a fixed mold plate of the injection molding machine, the movable mold and the fixed mold are closed to form a pouring system and a cavity in the injection molding process, and the movable mold and the fixed mold are separated to separate a product from the mold in the mold opening process.
In the process of manufacturing plastic products, some products have complex structures, the product molded surface is required to be formed by virtue of a movable line structure and separation from the products is realized, technicians usually adopt a multi-cavity die or a compound die to realize the product molded surface, in the process of demolding, sequential demolding is required, in order to ensure that the demolding process is smoothly carried out, various mechanisms capable of realizing sequential demolding are designed by various manufacturers, however, the conventional mechanisms are usually complex in structure and large in volume and are limited by using space, so that a mechanism capable of simply controlling the die opening sequence of the die is needed to be developed.
Disclosure of utility model
The application provides a mold opening mechanism and an injection mold, which are used for developing a mechanism capable of simply controlling the mold opening sequence of the mold.
The application provides a mold opening mechanism and an injection mold, which adopt the following technical scheme:
The die opening mechanism is used for die opening and comprises a movable pull rod, an elastic locking piece and a fixed pull rod, wherein the movable pull rod slides in the fixed pull rod, the movable pull rod is matched with the elastic locking piece for use, the elastic locking piece is matched with the movable pull rod in a clamping manner when the die is closed, the movable pull rod drives the elastic locking piece to move when the die is opened, and the elastic locking piece retracts and is separated from the movable pull rod when the elastic locking piece moves to abut against the fixed pull rod.
According to the technical scheme, the movable pull rod is driven to slide in the fixed pull rod in the process that the die needs to be opened, at the moment, the elastic locking piece is clamped and matched with the movable pull rod, the movable pull rod can drive the elastic locking piece to move, one-time die opening of the die is achieved, when the elastic locking piece moves to be in contact with the fixed pull rod, the elastic locking piece is retracted and separated from the movable pull rod, at the moment, the movable pull rod continues to move, secondary die opening of the die is achieved, die opening work of the whole die is completed, the die opening mechanism is simple in structural design, the effect of simply controlling the die opening sequence of the die can be achieved, the die opening process of the die is smoother, and the driving of the die opening mechanism directly acts on the die and does not directly act on a product, so that the appearance of the product can be guaranteed, and the die opening efficiency and the product quality can be improved when the die opening mechanism is applied in actual production.
In a specific implementation mode, the elastic locking piece comprises a locking seat, a locking block and a spring, wherein the locking block and the spring are arranged in the locking seat, a drag hook part is arranged on the movable pull rod, and the locking block extends out of the locking seat and is in clamping fit with the drag hook part.
By adopting the technical scheme, the elastic locking can be realized when the mould is closed by utilizing the designs of the locking seat, the locking block, the spring and the drag hook, the mould is kept in a closed state by the cooperation of the locking block and the drag hook part, when the mould is required to be opened, the movement of the movable pull rod can lead the locking block to be separated from the drag hook part, so that the elastic locking piece is retracted under the action of the spring and separated from the movable pull rod, thereby completing the opening operation of the mould.
In a specific embodiment, the length of the locking block extending out of the locking seat is set as A, the contact surface width when the drag hook part is abutted against the locking block is set as B, and the range of B/A is 1/2-1.
Through adopting above-mentioned technical scheme, limit the proportion scope of contact surface width and locking piece extension length when drag hook portion and locking piece butt, can ensure the firm locking of drag hook portion and locking piece under the closed condition to drag hook portion and locking piece can reliably break away from the release when needing, thereby improve the security and the stability of mould operation.
In a specific implementation, a stop inclined surface is arranged on the fixed pull rod, a matching inclined surface is arranged on the locking block, and after the matching inclined surface is abutted against the stop inclined surface, the fixed pull rod presses the locking block and the spring to enable the locking block to retract and separate from the drag hook part.
Through adopting above-mentioned technical scheme, utilize the design of the specific inclined plane between fixed pull rod and the locking piece, when stopping position inclined plane and cooperation inclined plane butt, the motion of fixed pull rod can exert pressure to locking piece and spring, leads to the locking piece to withdraw and break away from with drag hook portion mutually to realize the reliable operation of opening of mould, thereby help guaranteeing stability and reliability when the mould is opened.
In a specific implementation manner, the draw hook part is provided with a reset inclined plane, and after the matching inclined plane is abutted against the reset inclined plane, the movable pull rod presses the locking block and the spring to retract the locking block, so that the movable pull rod is reset.
Through adopting above-mentioned technical scheme, utilize there is the design of specific inclined plane between drag hook portion and the locking piece, when reset inclined plane and cooperation inclined plane butt, the motion of movable pull rod can exert pressure to locking piece and spring, lead to the locking piece to retract, make movable pull rod can continue the removal, at this moment, after the extrusion on the locking piece is released, spring promotion locking piece is removed to movable pull rod one side, and make the drag hook portion joint cooperation again of locking piece and movable pull rod, thereby realize movable pull rod's operation that resets, thereby help guaranteeing that die sinking mechanism can resume initial state rapidly after the drawing of patterns is accomplished, improve the efficiency and the reliability of overall operation.
In a specific embodiment, the locking seat is provided with a locking groove, the spring and the locking block are arranged in the locking groove, and the locking block slides in the locking groove and is in contact with the inner wall of the locking groove.
Through adopting above-mentioned technical scheme, utilize with spring and locking piece setting in the locking inslot, the locking piece slides in the groove and with the inner wall contact in groove to realize the function of locking piece, thereby can ensure that the locking piece remains stable in the motion process, and can realize the operation of locking and release effectively.
In a specific embodiment, the movable pull rod, the fixed pull rod and the locking seat are provided with mounting holes.
Through adopting above-mentioned technical scheme, utilize the setting of mounting hole, can conveniently assemble movable pull rod, fixed pull rod and locking seat with other parts or structures to constitute complete mechanical system or device, can improve packaging efficiency, also help guaranteeing the firm connection between each part simultaneously.
In a specific implementation, a sliding groove is formed in the fixed pull rod, and the movable pull rod slides in the sliding groove and is in contact with the inner wall of the sliding groove.
Through the technical scheme, the movable pull rod can slide in the sliding groove by utilizing the setting of the sliding groove and is contacted with the inner wall of the sliding groove, so that the coordination movement and the constraint relation between the fixed pull rod and the movable pull rod are realized, the stability and the reliability of the die opening mechanism can be improved, and the service life and the operation efficiency of the die opening mechanism can be prolonged.
The injection mold comprises the mold opening mechanism, wherein the injection mold comprises a movable plate, a cavity plate and a fixed plate, the cavity plate is arranged between the movable plate and the fixed plate, a fixed pull rod is arranged on the fixed plate, the movable pull rod is arranged on the movable plate and slides in the fixed pull rod, and an elastic locking piece is arranged on the cavity plate and is matched with the movable pull rod in a clamping manner.
According to the technical scheme, when the injection mold is in operation, the movable plate is driven to move so as to drive the movable pull rod arranged on the movable plate to slide and move in the fixed pull rod, at the moment, the elastic locking piece is in abutting fit with the movable pull rod, the movable pull rod drives the elastic locking piece to move so as to drive the cavity plate to move together, the cavity plate is separated from the fixed plate, one-time mold opening operation of the injection mold is realized, when the elastic locking piece moves to be in contact with the fixed pull rod, the elastic locking piece is retracted and separated from the movable pull rod, at the moment, the movable plate continues to move and drives the movable pull rod to continue to move, the separation of the movable plate and the cavity plate is realized, so that the secondary mold opening operation of the mold is realized, and the mold opening operation of the whole mold is completed.
In a specific embodiment, the injection mold is further provided with a driving member, and the driving member drives the movable plate to move.
Through adopting above-mentioned technical scheme, utilize the design of driving piece, can realize the removal control to the fly leaf, realize the control to die sinking mechanism to realize controlling injection mold's opening and shutting action, ensure that injection mold and die sinking mechanism can move according to established route and speed when the die sinking, the setting of driving piece helps improving degree of automation and production efficiency of mould, thereby improves stability and the uniformity of production.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the mold opening mechanism is simple in structural design, elastic locking can be realized when the mold is closed through the design of the locking seat, the locking block, the spring and the drag hook part, and the mold is kept in a closed state through the clamping fit of the locking block and the drag hook part; when the die needs to be opened, the movement of the movable pull rod can lead the locking block to be separated from the drag hook part, so that the elastic locking piece is retracted and separated from the movable pull rod under the action of the spring;
2. The application limits the proportion range of the contact surface width and the extension length of the locking block when the drag hook part is abutted with the locking block, can ensure the firm locking of the drag hook part and the locking block in a closed state, and can reliably separate and release the drag hook part and the locking block when required, thereby improving the safety and stability of the operation of the die;
3. The injection mold application mold opening mechanism can achieve the purpose of simply controlling the mold opening sequence of the injection mold, so that the mold opening process of the injection mold is smoother, and the injection mold is directly acted on the injection mold through driving and is not directly acted on a product, so that the appearance of the product can be ensured, and the mold opening mechanism can improve the mold opening efficiency and the product quality when applied to actual production.
Drawings
Fig. 1 is a schematic structural view of a mold opening mechanism in an embodiment of the present application.
Fig. 2 is a cross-sectional view for showing the retractor portion and the locking piece.
Fig. 3 is a cross-sectional view for showing the stop ramp and the mating ramp.
Fig. 4 is a schematic view for showing the structure of the mounting hole.
Fig. 5 is a schematic structural view of an injection mold according to an embodiment of the present application.
Fig. 6 is a diagram showing a positional relationship between an injection mold and a mold opening mechanism.
The reference numerals are 1, a mold opening mechanism, 2, a movable pull rod, 21, a draw hook part, 211, a reset inclined plane, 3, an elastic locking piece, 31, a locking seat, 311, a locking groove, 32, a locking block, 321, a matching inclined plane, 33, a spring, 4, a fixed pull rod, 41, a stop inclined plane, 42, a sliding chute, 5, a mounting hole, 6, an injection mold, 61, a movable plate, 62, a cavity plate, 63 and a fixed plate.
Detailed Description
The application is described in further detail below with reference to fig. 1-6.
Referring to fig. 1-4, an embodiment of the application discloses a mold opening mechanism, which is used for mold opening, wherein the mold opening mechanism 1 comprises a movable pull rod 2, an elastic locking piece 3 and a fixed pull rod 4, in the embodiment, the fixed pull rod 4 and the movable pull rod 2 are vertically arranged, the elastic locking piece 3 is horizontally arranged, the movable pull rod 2 slides in the fixed pull rod 4, the movable pull rod 2 and the elastic locking piece 3 are matched for use, a chute 42 is arranged in the fixed pull rod 4, and the movable pull rod 2 slides in the chute 42 and is in contact with the inner wall of the chute 42;
The elastic locking piece 3 is matched with the movable pull rod 2 in a clamping way when the mould is closed, the movable pull rod 2 drives the elastic locking piece 3 to move when the mould is opened, the elastic locking piece 3 retracts and is separated from the movable pull rod 2 when the elastic locking piece 3 is moved to be in contact with the fixed pull rod 4, in the embodiment, the movable pull rod 2 moves in the vertical direction, namely moves up and down in the direction a in fig. 1, the elastic locking piece 3 moves in the horizontal direction, namely the elastic locking piece 3 moves left and right in the direction b in fig. 1, and the moving direction of the movable pull rod 2 is perpendicular to the moving direction of the elastic locking piece 3;
In the process that the die needs to be opened, the movable pull rod 2 is driven to slide in the fixed pull rod 4, at the moment, the elastic locking piece 3 is in clamping fit with the movable pull rod 2, the movable pull rod 2 can drive the elastic locking piece 3 to move to realize primary die opening of the die, when the elastic locking piece 3 moves to be in contact with the fixed pull rod 4, the elastic locking piece 3 is retracted and separated from the movable pull rod 2, at the moment, the movable pull rod 2 continues to move to realize secondary die opening of the die to complete the die opening work of the whole die, the die opening mechanism 1 has simple structural design, can achieve the effect of simply controlling the die opening sequence of the die, enables the die opening process to be smoother, and the driving of the die opening mechanism 1 directly acts on the die and does not directly act on the product, so that the appearance of the product can be ensured.
The elastic locking piece 3 comprises a locking seat 31, a locking block 32 and a spring 33 which are arranged in the locking seat 31, wherein in the embodiment, the locking seat 31, the spring 33 and the locking block 32 are all horizontally arranged, the locking block 32 and the spring 33 move along the horizontal direction, a locking groove 311 is arranged on the locking seat 31, the spring 33 and the locking block 32 are arranged in the locking groove 311, and the locking block 32 slides in the locking groove 311 and is in contact with the inner wall of the locking groove 311, so that the locking block 32 can be ensured to be kept stable in the moving process, and the locking and releasing operation of the elastic locking piece 3 can be effectively realized;
the movable pull rod 2 is provided with a drag hook part 21, and a locking block 32 extends out of a locking seat 31 and is in clamping fit with the drag hook part 21, the length of the locking block 32 extending out of the locking seat 31 is set as A, the contact surface width of the drag hook part 21 when being abutted against the locking block 32 is set as B, and the range of B/A is 1/2-1, preferably the range of B/A is 1/2-3/4, by limiting the proportion range of the contact surface width of the drag hook part 21 and the locking block 32 when being abutted against and the extending length of the locking block 32, the firm locking of the drag hook part 21 and the locking block 32 in a closed state can be ensured, and the drag hook part 21 and the locking block 32 can be reliably separated and released when required, thereby improving the safety and stability of the operation of a die;
The elastic locking can be realized when the mould is closed through the design of the locking seat 31, the locking block 32, the spring 33 and the drag hook part 21, the mould is kept in a closed state through the clamping fit of the locking block 32 and the drag hook part 21, when the mould is required to be opened, the movement of the movable pull rod 2 can lead the locking block 32 to be separated from the drag hook part 21, so that the elastic locking piece 3 is retracted and separated from the movable pull rod 2 under the action of the spring 33, thereby completing the opening operation of the mould.
When the locking inclined surface 41 is in butt joint with the matching inclined surface 321, at the moment, the matching inclined surface 321 on the locking block 32 is extruded by the locking inclined surface 41 on the fixing pull rod 4, the locking block 32 and the spring 33 are subjected to the pressure exerted by the fixing pull rod 4, so that the locking block 32 is retracted into the locking groove 311 and separated from the drag hook part 21, and the locking block 32 is separated from the drag hook part 21, thereby realizing the purpose of sequential demoulding.
The drag hook 21 is provided with a reset inclined plane 211, the reset inclined plane 211 is in butt fit with the matching inclined plane 321, in the embodiment, the stop inclined plane 41, the matching inclined plane 321 and the reset inclined plane 211 comprise but are not limited to form an acute angle of 30-70 degrees with the horizontal direction, when the reset inclined plane 211 is in butt fit with the matching inclined plane 321 in working, the matching inclined plane 321 on the locking block 32 is extruded by the reset inclined plane 211 on the movable pull rod 2, the movable pull rod 2 can apply pressure to the locking block 32 and the spring 33, so that the locking block 32 is retracted, the movable pull rod 2 can move continuously, at the moment, after the extrusion on the locking block 32 is released, the spring 33 pushes the locking block 32 to move to one side of the movable pull rod 2, and the locking block 32 is clamped and matched with the drag hook 21 of the movable pull rod 2 again, so that the reset operation of the movable pull rod 2 is realized, and the efficiency and the reliability of the whole operation are improved after the demoulding mechanism 1 can be restored to the initial state rapidly.
The movable pull rod 2, the fixed pull rod 4 and the locking seat 31 are provided with a plurality of mounting holes 5, in the embodiment, the fixed pull rod 4 is also provided with through holes, the through holes are communicated with the mounting holes 5 on the movable pull rod 2 one by one, the through holes are used for installing bolts on the mounting holes 5 of the movable pull rod 2 by staff through the fixed pull rod 4, and the mounting holes 5 can conveniently assemble the movable pull rod 2, the fixed pull rod 4 and the locking seat 31 with other parts or structures, so that a complete mechanical system or device is formed, the assembly efficiency can be improved, and meanwhile, the firm connection among the parts is also facilitated to be ensured.
Referring to fig. 5-6, the present application further provides an injection mold, which includes the mold opening mechanism 1 (specific structure of the mold opening mechanism 1 is shown in fig. 1-4), and the injection mold 6 of the present application can achieve the purpose of simply controlling the mold opening sequence of the injection mold 6 by applying the mold opening mechanism 1, in this embodiment, 4 mold opening mechanisms 1 are symmetrically arranged on the injection mold 6;
The injection mold 6 comprises a movable plate 61, a cavity plate 62 and a fixed plate 63, wherein the cavity plate 62 is arranged between the movable plate 61 and the fixed plate 63, in the embodiment, an inner cavity consistent with the shape of a product is jointly formed in the movable plate 61, the cavity plate 62 and the fixed plate 63, the mold opening mechanism 1 is arranged on the outer wall of the injection mold 6, specifically, the fixed pull rod 4 is arranged on the fixed plate 63, the movable pull rod 2 is arranged on the movable plate 61 and slides in the fixed pull rod 4, the elastic locking piece 3 is arranged on the cavity plate 62 and is in abutting fit with the movable pull rod 2, in the embodiment, the fixed pull rod 4 and the fixed plate 63, the movable pull rod 2 and the movable plate 61, the locking seat 31 of the elastic locking piece 3 and the cavity plate 62 are all fixed through bolt connection, the bolt passes through the mounting hole 5 on the mold opening mechanism 1 and is then connected and fixed with the injection mold 6, and in the embodiment, one end of the spring 33 of the elastic locking piece 3, which is far away from the locking piece 32, is fixed on the cavity plate 62 of the injection mold 6;
The injection mold 6 is further provided with a driving piece, in the embodiment, the driving piece drives the movable plate 61 to move up and down along the vertical direction, and the driving piece passes through the fixed plate 63 and the cavity plate 62 and is fixed on the movable plate 61, so that the driving piece can realize the movement control of the movable plate 61 and the control of the mold opening mechanism 1, thereby realizing the control of the opening and closing action of the injection mold 6, ensuring that the injection mold 6 and the mold opening mechanism 1 can move according to a given path and speed during mold opening, and the arrangement of the driving piece is beneficial to improving the automation degree and the production efficiency of the mold, thereby improving the stability and the consistency of production;
When the movable plate 61 is driven to move by the driving piece to drive the movable pull rod 2 arranged on the movable plate 61 to slide and move in the fixed pull rod 4, at the moment, the locking piece 32 of the elastic locking piece 3 is matched with the draw hook part 21 of the movable pull rod 2 in a clamping way, the draw hook part 21 drives the locking piece 32 to move so as to drive the cavity plate 62 to move together, the cavity plate 62 is separated from the fixed plate 63, one-time mold opening of the injection mold 6 is realized, when the locking piece 32 of the elastic locking piece 3 is moved to be in contact with the fixed pull rod 4, at the moment, the matching inclined surface 321 on the locking piece 32 is extruded by the stop inclined surface 41 on the fixed pull rod 4, the locking piece 32 is retracted and separated from the movable pull rod 2, at the moment, the driving piece drives the movable plate 61 to move continuously, the separation of the movable plate 61 and the cavity plate 62 is realized, and the secondary mold opening of the mold is realized, and the mold opening work of the whole mold is completed.
The embodiment of the application has the implementation principle that the mold opening mechanism 1 has simple structural design, can achieve the effect of simply controlling the mold opening sequence of the mold, and enables the mold opening process of the injection mold 6 to be smoother, and the driving of the mold opening mechanism 1 directly acts on the injection mold 6 and does not directly act on the product, thereby ensuring the appearance of the product;
Before working, the mold opening mechanism 1 is firstly installed on the injection mold 6, specifically, the locking seat 31 and the cavity plate 62 are fixedly installed through bolts, the spring 33 is fixed on the cavity plate 62, the fixed pull rod 4 and the fixed plate 63 are fixedly installed through bolts, the movable pull rod 2 is finally inserted along the sliding groove 42 of the fixed pull rod 4, and then the movable pull rod 2 and the movable plate 61 are fixedly installed through the through holes on the fixed pull rod 4, so that the mold opening mechanism 1 is installed;
When the elastic locking piece 32 of the elastic locking piece 3 moves to be in contact with the fixed pull rod 4, at the moment, the matching inclined surface 321 on the locking piece 32 is extruded by the stop inclined surface 41 on the fixed pull rod 4, the locking piece 32 is retracted and separated from the movable pull rod 2, at the moment, the driving piece drives the movable plate 61 to continuously move, so that the separation of the movable plate 61 and the cavity plate 62 is realized, the secondary die opening of the die is realized, and the die opening of the whole die is completed;
After the die opening is required to be completed, the die is required to be assembled to an original closed state, at this moment, the driving piece drives the movable plate 61 to move downwards to drive the movable pull rod 2 to move together, when the reset inclined plane 211 on the movable pull rod 2 encounters the matched inclined plane 321 on the locking block 32, the reset inclined plane 211 can squeeze the matched inclined plane 321, the locking block 32 is retracted, the spring 33 is subjected to compression and accumulation force, so that the movable pull rod 2 can move continuously, when the squeezing on the locking block 32 is released, the spring 33 can push the locking block 32 to pop out, the locking block 32 can be clamped with the draw hook part 21 of the movable pull rod 2, at this moment, the movable plate 61 and the cavity plate 62 are closed, the driving piece continues to drive the movable plate 61 to move together, at this moment, the movable pull rod 2 can clamp the locking block 32 to move together, namely the movable plate 61 can drive the cavity plate 62 to move together to realize the closing of the cavity plate 62 and the fixed plate 63, and the reset work of the injection die 6 is completed.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (10)
1. A mold opening mechanism is used for mold opening and is characterized by comprising a movable pull rod (2), an elastic locking piece (3) and a fixed pull rod (4), wherein the movable pull rod (2) slides in the fixed pull rod (4), the movable pull rod (2) is matched with the elastic locking piece (3) for use, the elastic locking piece (3) is matched with the movable pull rod (2) in a clamping manner when a mold is closed, the movable pull rod (2) drives the elastic locking piece (3) to move when the mold is opened, and the elastic locking piece (3) retracts and is separated from the movable pull rod (2) when the elastic locking piece (3) moves to be in contact with the fixed pull rod (4).
2. The die opening mechanism according to claim 1, wherein the elastic locking piece (3) comprises a locking seat (31), a locking block (32) and a spring (33), wherein the locking block (32) and the spring (33) are arranged in the locking seat (31), the draw hook part (21) is arranged on the movable pull rod (2), and the locking block (32) extends out of the locking seat (31) and is in clamping fit with the draw hook part (21).
3. The mold opening mechanism according to claim 2, wherein the length of the locking block (32) extending out of the locking seat (31) is A, the contact surface width of the drag hook portion (21) when the drag hook portion is abutted against the locking block (32) is B, and the range of B/A is 1/2-1.
4. The die opening mechanism according to claim 2, wherein a stop inclined surface (41) is arranged on the fixed pull rod (4), a matching inclined surface (321) is arranged on the locking block (32), and after the matching inclined surface (321) is abutted against the stop inclined surface (41), the fixed pull rod (4) causes pressure to the locking block (32) and the spring (21) so that the locking block (32) is retracted and separated from the drag hook part (21).
5. The die sinking mechanism as set forth in claim 2, wherein the draw hook portion (21) is provided with a reset inclined plane (211), and the movable draw bar (2) causes a pressing force to the locking block (32) and the spring (33) to retract the locking block (32) after the matching inclined plane (321) abuts against the reset inclined plane (211) so as to reset the movable draw bar (2).
6. The mold opening mechanism according to claim 2, wherein the locking seat (31) is provided with a locking groove (311), the spring (33) and the locking block (32) are arranged in the locking groove (311), and the locking block (32) slides in the locking groove (311) and is abutted against the inner wall of the locking groove (311).
7. The die sinking mechanism as claimed in claim 2, wherein the movable pull rod (2), the fixed pull rod (4) and the locking seat (31) are provided with mounting holes (5).
8. The die sinking mechanism as set forth in claim 1, wherein a chute (42) is provided in the fixed tie rod (4), and the movable tie rod (2) slides in the chute (42) and abuts against the inner wall of the chute (42).
9. An injection mold comprising the mold opening mechanism according to any one of claims 1 to 8, wherein the injection mold comprises a movable plate (61), a cavity plate (62) and a fixed plate (63), the cavity plate (62) is arranged between the movable plate (61) and the fixed plate (63), the fixed pull rod (4) is arranged on the fixed plate (63), the movable pull rod (2) is arranged on the movable plate (61) and slides in the fixed pull rod (4), and the elastic locking piece (3) is arranged on the cavity plate (62) and is in clamping fit with the movable pull rod (2).
10. The injection mold according to claim 9, wherein the injection mold is provided with a driving member that drives the movable plate (61) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420552317.5U CN222712765U (en) | 2024-03-21 | 2024-03-21 | A mold opening mechanism and injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420552317.5U CN222712765U (en) | 2024-03-21 | 2024-03-21 | A mold opening mechanism and injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222712765U true CN222712765U (en) | 2025-04-04 |
Family
ID=95160224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420552317.5U Active CN222712765U (en) | 2024-03-21 | 2024-03-21 | A mold opening mechanism and injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222712765U (en) |
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2024
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