CN213797830U - Synchronous automatic ejection die - Google Patents
Synchronous automatic ejection die Download PDFInfo
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- CN213797830U CN213797830U CN202022593549.XU CN202022593549U CN213797830U CN 213797830 U CN213797830 U CN 213797830U CN 202022593549 U CN202022593549 U CN 202022593549U CN 213797830 U CN213797830 U CN 213797830U
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Abstract
The utility model relates to a plastic mould technical field, concretely relates to synchronous automatic ejecting mould, include: the injection molding machine comprises an A plate, a B plate, a driving mechanism, a gear distribution shaft and a screw rod assembly with a rotary nut, wherein the A plate and the B plate are assembled to form a product forming cavity, an outer gear is arranged on the outer side of the rotary nut, the driving mechanism is rotatably connected with the gear distribution shaft through a transmission assembly, the gear distribution shaft is rotatably connected with the rotary nut, the screw rod assembly is vertically arranged, the gear distribution shaft, the rotary nut and the transmission assembly are all mounted on the B plate in a limiting mode, and the screw rod assembly extends into a finished product forming cavity.
Description
Technical Field
The utility model relates to a plastic mould technical field, concretely relates to synchronous automatic ejection mechanism's mould.
Background
In the prior art, most of joint plastic mold products are in the demolding process, the glue position surface of the plate B is much larger than that of the plate A, so that the product still stays on the side of the plate B after the plate A and the plate B are opened, the product does not have any position capable of being ejected, the product cannot be ejected out of the mold, if the product is ejected by rotation, the total height of the product is far larger than the product stop position, so that the product does not have enough height to eject by rotation, the product has high technological requirement, and the product cannot be changed, so that a structure capable of enabling the product to smoothly come out of a cavity on the basis of meeting the technological requirement is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's is not enough and the defect, provides a rotation nut outside is equipped with the external gear, and actuating mechanism passes through drive assembly and gear distribution axle rotation connection, gear distribution axle rotates with the rotation nut to be connected, the mould of the synchronous automatic ejection mechanism of the vertical setting of lead screw subassembly.
The purpose of the utility model is realized through the following technical scheme: a synchronous automatic ejection mold comprising: the automatic forming machine comprises a plate A, a plate B, a driving mechanism, a gear distribution shaft and a lead screw assembly with a rotating nut, wherein the plate A and the plate B are assembled to form a product forming cavity, an outer gear is arranged on the outer side of the rotating nut, the driving mechanism is rotatably connected with the gear distribution shaft through a transmission assembly, the gear distribution shaft is rotatably connected with the rotating nut, the lead screw assembly is vertically arranged, the gear distribution shaft, the rotating nut and the transmission assembly are all installed on the plate B in a limiting mode, and the lead screw assembly extends into the finished product forming cavity.
Preferably, the screw is a ball screw or a rifling screw.
Preferably, the screw rod assembly is provided in plurality, and the screw rod assembly is wound on the outer side of the gear distribution shaft.
Preferably, the driving mechanism is one of a linear motor, a hydraulic cylinder and an air cylinder.
Preferably, the top end of the screw rod assembly is provided with a release thread.
Preferably, the automatic feeding device further comprises a linkage seat, the driving mechanism is fixedly installed on the linkage seat, the linkage seat is connected with the plate B in a sliding mode, a button machine is arranged on the linkage seat, the button machine extends into the plate A and slides in the plate A, and when the screw rod assembly is separated from a product, the button machine is buckled with the plate A and is driven to ascend by the plate A.
Preferably, the A plate is provided with a sleeve corresponding to the screw rod assembly.
Compared with the prior art, the utility model following advantage and beneficial effect are included:
(1) the utility model discloses a set up the A board, the B board, and be equipped with the external gear in the swivel nut outside, can guarantee the product when the die sinking, A board rebound, the B board also upwards carries out synchronous motion through rotatory lead screw subassembly drive product with the A board, can guarantee through this structure that the B board drives the product upward movement when, the A board is fixed the product always and is made the product motionless and be ascending linear motion, thereby it does not have the unable ejecting problem of ejecting position injection moulding product to have solved the B board effectively, and solved the B board and not stopped the problem of transposition, avoid the product can be in the circumstances of sticking in the B board mould core at the drawing of patterns in-process, improve plastic product demolding efficiency and product shaping quality.
(2) The utility model discloses a be equipped with the linkage seat, actuating mechanism fixed mounting is on the linkage seat, be equipped with the knot machine on the linkage seat, the knot machine stretches into the A inboard and slides in the A inboard, and the knot machine is buckled with the A board and is moved by the A board and rises when the lead screw subassembly breaks away from the product for actuating mechanism and transmission assembly separation, lead screw subassembly and transmission assembly stall avoid the lead screw subassembly to rotate and exceed the stroke restriction and take place to damage, thereby improve the life of gear distribution axle and lead screw subassembly.
(3) The utility model provides a lead screw adopts ball or comes compound line lead screw, because the lead screw subassembly breaks away from behind the product, actuating mechanism just can break away from the meshing state with the gear distribution axle, consequently can make lead screw subassembly rebound to a certain position after, the lead screw subassembly just because the automatic downwardly moving of inertial action gets back to the initial point, need not to carry out the callback to the lead screw subassembly, has improved the life of lead screw subassembly to and improved driven precision and transmission efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the top structure of the screw rod assembly of the present invention.
Fig. 3 is a schematic view of the linkage seat structure of the present invention.
Fig. 4 is a schematic diagram of the position relationship of the components of the present invention.
Wherein: 1A plate; 2B plate; 3 a drive mechanism 4; a gear distribution shaft; 5, a screw rod assembly; 6, rotating the nut; 7, opening threads; 8, 8 barrels; 9 a linkage seat; 10-fastener machine.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The existing connector product needs to be solved, the product is provided with an inserting groove, the inner wall of the inserting groove is provided with threads, and a thimble structure is not arranged at other positions when a mold is embedded into the inserting groove during injection molding, so that the problem that how to demould and eject the product needs to be solved.
The utility model discloses a concrete implementation process as follows: as shown in fig. 1 to 4, a synchronous automatic ejection mold includes: the injection molding machine comprises an A plate 1, a B plate 2, a driving mechanism 3, a gear distribution shaft 4 and a screw rod assembly 5 with a rotating nut 6, wherein the A plate 1 and the B plate 2 are matched to form a product molding cavity, an external gear is arranged on the outer side of the rotating nut 6, the driving mechanism 3 is rotatably connected with the gear distribution shaft 4 through a transmission assembly, the gear distribution shaft 4 is rotatably connected with the rotating nut 6, the screw rod assembly 5 is vertically arranged, the gear distribution shaft 4, the rotating nut 6 and the transmission assembly are all installed on the B plate 2 in a limiting mode, the screw rod assembly 5 extends into the product molding cavity, the A plate 1 is opened upwards when injection molding is completed, the driving mechanism 3 drives the screw rod assembly 5 to synchronously ascend through the transmission assembly and the gear distribution shaft 4, for example, when the A plate 1 and the B plate 2 are opened by 1mm, the screw rod assembly 5 rotates by 1mm, the distance for opening the mold is kept to be synchronous with the rotary ejection distance of teeth, namely, the screw rod component 5 rotates to drive the product to move upwards, meanwhile, the product moves synchronously with the front mold cavity, the product is always embedded on the plate A1 when being ejected out, meanwhile, the screw rod component 5 is also screwed out in the inserting groove relative to the product, and the plate A1 rises until the screw rod component 5 is separated from the product.
As shown in fig. 1 or fig. 3, the driving mechanism 3 is rotatably connected with the gear distribution shaft 4 through a transmission assembly, wherein the transmission assembly plays a role of reducing speed and increasing the distance between the driving mechanism 3 and the screw rod assembly 5, thereby avoiding the influence on the screw rod component 5 when the driving mechanism 3 runs at high speed, improving the stability and the safety of the injection molding device, limiting and installing the gear distribution shaft 4, the rotating nut 6 and the transmission component on the B plate 2, and the screw rod component 5 extends into the finished product forming cavity, when the B plate 2 rotates out of the product, the product is attached to the A plate 1 and moves linearly upwards along with the A plate 1, and simultaneously the screw rod component 5 also rotates out in the inserting groove relative to the product, thereby solved among the prior art plastic mould product because of B board 2 does not have ejecting position, the product just can't the demolding to the product can be in 2 die cores scheduling problem of sticking at B board in the drawing of patterns in-process.
In one embodiment. The utility model provides a lead screw adopts ball, ball has high accuracy, reversibility and efficient characteristics, because lead screw subassembly 5 breaks away from behind the product, actuating mechanism 3 just can break away from with gear distribution shaft 4 and rotate the connection status, when adopting ball, because ball has driven reversibility, can make lead screw subassembly 5 upwards remove behind a definite position, ball just gets back to the original point because the automatic downwardly moving of inertia effect, it surpasss the stroke restriction and takes place the damage to avoid ball to rotate, the life of lead screw subassembly 5 has been improved, and because ball utilizes ball motion, so start-up torque is minimum, the phenomenon of crawling like sliding motion can not appear, can guarantee to realize accurate advancing a little, in order to improve driven precision and transmission efficiency.
In another embodiment, the screw of the present invention is a reciprocating screw, or a combination of a reciprocating screw and a ball screw, for example, when the reciprocating screw is used for opening the mold, the a plate 1 moves linearly in the opposite direction of the B plate 2, because the driving mechanism 3 drives the transmission assembly and the gear distribution shaft 4, the gear distribution shaft 4 drives the rotating nut 6 outside the reciprocating screw, so the reciprocating screw drives the product to move linearly by means of the transmission of the gear, thereby the product moves up synchronously with the a plate 1, when the reciprocating screw is disengaged from the product, the driving mechanism 3 is disengaged from the gear distribution shaft 4, compared with the conventional screw, the reciprocating screw has the advantages of simplified mold structure and more beautiful appearance, and omits oil for electricity, the failure rate is low, the installation is more convenient, thereby reducing the cost of injection molding production, the production efficiency is improved.
The driving mechanism is one of a linear motor, a hydraulic cylinder and a cylinder, and compared with the traditional oil cylinder driving, the linear motor, the hydraulic cylinder or the cylinder is adopted as the driving mechanism to drive the rifling screw rod to open the die.
The top end of the screw rod component 5 is provided with a release thread 7, and when the screw rod component 5 rotates, the product is rotated and separated through the release thread 7, so that the product is prevented from being continuously stuck in the B plate 2 die core.
Because the screw rod assembly 5 has a stroke limit, and the driving mechanism cannot be stopped immediately due to the line and the inertia of the screw rod assembly 5, and the screw rod assembly 5 has a stroke limit when the driving mechanism cannot be stopped immediately, the buffer stroke of the screw rod assembly 5 needs to be increased to ensure that the screw rod assembly 5 cannot be damaged, and the screw rod assembly 5 is a precise part and is expensive, an embodiment which does not increase the stroke of the screw rod assembly 5 and also ensures that the driving mechanism 5 cannot damage the screw rod assembly 5 is needed, as shown in fig. 3, in one embodiment, the driving mechanism 3 is fixedly arranged on a linkage seat 9, the linkage seat 9 is connected with the B plate 2 in a sliding manner, a button machine 10 is arranged on the linkage seat 9, the button machine 10 extends into the A plate 1 and slides in the A plate 1, when the screw rod assembly 5 is separated from a product, the button sewing machine 10 on the linkage seat 9 extends into the A plate 1 to be buckled with the A plate 1 and is driven by the A plate 1 to ascend, and the linkage seat 9 and the button sewing machine 10 have the following effects: when the lead screw subassembly 5 rises to a take the altitude, lead screw subassembly 5 breaks away from with the product, button machine 10 stretches into A board 1 and slides in A board 1, thereby control lead screw subassembly 5 is effectively rotating the back, drive mechanism 3 upward movement on the A board 1 drive linkage seat 9, make drive mechanism 3 break away from to rotate with the drive assembly and be connected, drive mechanism 3 keeps idle running state after lead screw subassembly 5 breaks away from the product, consequently, the lead screw subassembly 5 that loses power stops the rebound, if it is ball screw still can be because of inertia effect rebound to the initial point, avoided lead screw subassembly 5 to cause the damage to the plastic product, the life of spare part in the mould has been improved, and the production cost is reduced.
As shown in fig. 2, in another embodiment, an ejector 8 corresponding to the screw rod assembly 5 is disposed on the a plate 1, when the mold is opened, the screw rod assembly 5 moves upward in synchronization with the a plate 1, the screw rod assembly 5 moves upward in synchronization with the product and the a plate 1, when the screw rod assembly 5 moves upward to a certain position, the ejector 8 acts as a limit for the product, and since the ejector 8 abuts against the product, when the screw rod assembly 5 is separated from the product, the ejector 8 is nested in the product and keeps the product on the a plate 1.
In another embodiment, as shown in fig. 1, for example, the a board 1 moves upward 1mm in the opposite direction of the B board 2, and the rotating nut 6 rotates 1mm, (because the length of the middle tap product is longer, the B board 2 has no position to eject, and the total height of the product is much higher than the position where the B board can be at the rotation stop position, so that the plastic product is left on the a board 1 after the mold opening, and finally ejected on the a board 1, the utility model moves the a board 1 upward in the opposite direction of the B board 2), so as to keep the distance of the mold opening between the a board 1 and the B board 2 synchronous with the distance of the upward movement of the lead screw assembly 5, that is, while the rotating nut 6 rotates and drives the plastic product to go upward, the plastic product moves upward synchronously with the a board 1, thereby ensuring that the B board 2 rotates while the a board 1 always keeps the plastic product fixed to make the product move upward linearly, and the ejector sleeve 8 arranged on the A plate 1 plays a limiting role on the screw rod assembly 5, when the plastic product moves upwards to a certain height, the screw rod assembly 5 is separated from the plastic product, through the structure, the problem that the injection product cannot be ejected when the B plate 2 does not have an ejection position is effectively solved, and the problem that the B plate 2 does not have a stop position is solved, furthermore, when the screw rod in the driving mechanism 3 adopts a standard component to compound the screw rod, the driving mechanism moves upwards linearly for 40mm and needs to rotate for one circle, so if the plastic product and the A plate 1 need to move upwards synchronously for 12.5mm, as the distance between the screw teeth is 5mm, the screw tooth core needs to rotate for 2.5 circles to rotate out, therefore, the driving mechanism needs to rotate for 12.5/40-0.3125 circles, and the rotating nut needs to rotate for 2.5 circles, namely, when the transmission ratio of the driving mechanism 3 to the rotating nut 6 is 1:8, the plastic product and the A plate 1 can move synchronously.
The utility model discloses a theory of operation does: when the die is opened, the plate A1 moves towards the opposite direction of the plate B2, the button machine slides in the plate A, the driving mechanism 3 starts to operate, firstly, the driving mechanism 3 is rotationally connected with the gear distribution shaft 4 through the transmission assembly, the gear distribution shaft 4 is rotationally connected with the rotating nut 6, so as to drive the screw rod assembly 5 to synchronize the plate A1 to move upwards, the screw rod assembly 5 also moves the product to synchronize the plate A1 upwards through the disengaging thread 7 while moving upwards, meanwhile, the screw rod assembly also rotates out in the inserting groove relative to the product, and as the product is sleeved on the cylinder 8, when the screw rod assembly 5 is disengaged from the product, the cylinder 8 is sleeved with the product and keeps the product on the plate A1, when the screw rod assembly 5 is disengaged from the product, the button machine is buckled with the plate A, when the plate A continues to ascend, the button machine moves upwards along with the plate A1 synchronously, the button machine drives the linkage seat 9 to ascend, linkage seat 9 drives actuating mechanism 3 rebound to make actuating mechanism 3 break away from with drive assembly, therefore ball loses power, and get back to the original point because of the action of gravity, thereby realized under the prerequisite that does not increase 5 strokes of lead screw subassembly, actuating mechanism 5 can not damage lead screw subassembly 5, avoided lead screw subassembly 5 to cause the damage to the plastic product, need not to increase 5 strokes of lead screw subassembly, improved the life of spare part in the mould, reduction in production cost.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. A synchronous automatic ejection die, comprising: the automatic forming machine comprises a plate A, a plate B, a driving mechanism, a gear distribution shaft and a lead screw assembly with a rotating nut, wherein the plate A and the plate B are assembled to form a product forming cavity, an outer gear is arranged on the outer side of the rotating nut, the driving mechanism is rotatably connected with the gear distribution shaft through a transmission assembly, the gear distribution shaft is rotatably connected with the rotating nut, the lead screw assembly is vertically arranged, the gear distribution shaft, the rotating nut and the transmission assembly are all installed on the plate B in a limiting mode, and the lead screw assembly extends into the finished product forming cavity.
2. The synchronous automatic ejection die of claim 1, wherein: the screw rod is a ball screw or a reciprocating screw.
3. The synchronous automatic ejection die of claim 1, wherein: the screw rod assembly is provided with a plurality of screw rods, and the screw rod assembly surrounds the outer side of the gear distribution shaft.
4. The synchronous automatic ejection die of claim 1, wherein: the driving mechanism is one of a linear motor, a hydraulic cylinder and an air cylinder.
5. The synchronous automatic ejection die of claim 1, wherein: and the top end of the screw rod component is provided with a disengaging thread.
6. The synchronous automatic ejection die according to any one of claims 1 to 5, characterized in that: the automatic screw rod assembly machine is characterized by further comprising a linkage seat, a driving mechanism is fixedly mounted on the linkage seat, the linkage seat is connected with the plate B in a sliding mode, a button machine is arranged on the linkage seat and extends into the plate A and slides in the plate A, and the button machine is buckled with the plate A and is driven to ascend by the plate A when the screw rod assembly is separated from a product.
7. The mold according to claim 6, wherein the plate A is provided with a ejector sleeve corresponding to the screw assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022593549.XU CN213797830U (en) | 2020-11-11 | 2020-11-11 | Synchronous automatic ejection die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022593549.XU CN213797830U (en) | 2020-11-11 | 2020-11-11 | Synchronous automatic ejection die |
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| Publication Number | Publication Date |
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| CN213797830U true CN213797830U (en) | 2021-07-27 |
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| CN202022593549.XU Active CN213797830U (en) | 2020-11-11 | 2020-11-11 | Synchronous automatic ejection die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339227A (en) * | 2020-11-11 | 2021-02-09 | 东江模具（深圳）有限公司 | Synchronous automatic ejection die |
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2020
- 2020-11-11 CN CN202022593549.XU patent/CN213797830U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339227A (en) * | 2020-11-11 | 2021-02-09 | 东江模具（深圳）有限公司 | Synchronous automatic ejection die |
| CN112339227B (en) * | 2020-11-11 | 2024-09-17 | 东江模具（深圳）有限公司 | Synchronous automatic ejection die |
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