CN114311556A - Injection mold convenient to drawing of patterns - Google Patents

Injection mold convenient to drawing of patterns Download PDF

Info

Publication number
CN114311556A
CN114311556A CN202210008607.9A CN202210008607A CN114311556A CN 114311556 A CN114311556 A CN 114311556A CN 202210008607 A CN202210008607 A CN 202210008607A CN 114311556 A CN114311556 A CN 114311556A
Authority
CN
China
Prior art keywords
thimble
ejector
feeler lever
block
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210008607.9A
Other languages
Chinese (zh)
Inventor
赖旭龙
杨国富
娄开尧
徐宇乾
赖敏煜
黄志高
周华民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Fangzheng Tool Co Ltd
Original Assignee
Ningbo Fangzheng Tool Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Fangzheng Tool Co Ltd filed Critical Ningbo Fangzheng Tool Co Ltd
Priority to CN202210008607.9A priority Critical patent/CN114311556A/en
Publication of CN114311556A publication Critical patent/CN114311556A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention provides an injection mold convenient for demolding, which comprises a bottom plate, a fixed module and an ejector plate, wherein the ejector plate is provided with a plurality of first ejector pins and a plurality of second ejector pins; when the die is opened, the ejector plate moves towards the direction of the fixed die block, the first ejector pin and the second ejector pin synchronously eject out a product until the contact rod is abutted against the fixed die block, the ejector plate continues to move, the contact rod drives the driving mechanism to drive the second ejector pin to eject out towards the fixed die block for the second time, the secondary ejection distance of the second ejector pin is greater than the moving distance of the ejector plate, and the product is separated from the first ejector pin. The injection mold convenient for demolding can realize rapid and complete demolding of a product with a fixed mold and an ejector pin in sequence, and improves the processing efficiency.

Description

Injection mold convenient to drawing of patterns
Technical Field
The invention relates to the technical field of injection molds, in particular to an injection mold convenient for demolding.
Background
An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.
The ejector pin structure is usually needed to realize ejection and demolding of the product when the injection product is demolded, the ejector pin is generally driven to perform ejection movement through the ejector pin plate in the demolding mechanism of the existing mold, the product is driven to be separated from the mold core, and the product is taken by means of a manipulator after the product is separated from the mold core by a certain distance, so that the efficiency is low. In addition, although the separation of the product and the mold core is realized in the existing ejection mechanism, the product and the end face of the ejector pin can be adhered, so that the product can be damaged when the manipulator takes the product.
Disclosure of Invention
The invention solves the problem that in order to overcome the defects in the prior art, the injection mold convenient for demolding is provided, the product can be separated and demolded from the fixed mold and the ejector pin in sequence and quickly and completely, and the processing efficiency is effectively improved.
In order to solve the problems, the invention provides an injection mold convenient for demolding, which comprises a bottom plate and a fixed mold block, wherein the fixed mold block is connected to the bottom plate, an ejector plate capable of sliding vertically and a driving cylinder for driving the ejector plate to move are arranged between the bottom plate and the fixed mold block, a plurality of first ejector pins are arranged on the ejector plate, the other ends of the first ejector pins penetrate through the fixed mold block, a plurality of second ejector pins are further arranged on the ejector plate, one ends of the second ejector pins are slidably connected with the ejector plate, the other ends of the second ejector pins extend through the fixed mold block, a plurality of driving mechanisms for respectively driving the second ejector pins to move are arranged on the ejector plate, a contact rod capable of sliding along the mold opening direction is further arranged on the ejector plate, one end of the contact rod is in linkage fit with the driving mechanisms, and the other end of the contact rod extends towards the fixed mold block; during the die sinking, the actuating cylinder drive thimble board moves towards cover half piece direction, and the ejecting product of first thimble is until during feeler lever and cover half piece butt, the thimble board continues to move, the feeler lever drives actuating mechanism orders about the second thimble is ejecting towards the cover half piece secondary, just second thimble secondary ejection distance is greater than thimble board displacement realizes that the product breaks away from with first thimble.
Compared with the prior art, the injection mold has the following advantages:
in the injection mold structure convenient for demolding, a plurality of first ejector pins and a plurality of second ejector pins are arranged on an ejector plate in a sliding mode, the second ejector pins are controlled in a linkage mode through corresponding driving mechanisms and contact rods respectively, specifically, when the ejector plate moves for the first step to the contact rods are contacted with a fixed mold block, the first ejector pins and the second ejector pins are driven to simultaneously eject, a product is driven to be separated from a mold core, the product is still supported at the upper ends of the first ejector pins and the second ejector pins, and a possibly adhered state exists between the product and the first ejector pins; when the ejector pin plate continues to move in the second stage, the contact rod runs downwards under the action of the abutting of the fixed die block to drive the driving mechanism to run, the ejector pin plate drives the first ejector pin under the action of the driving structure, the second ejector pin performs secondary ejection movement relative to the ejector pin plate while the product continues to perform demolding movement, and the ejection distance of the second ejector pin is greater than the movement distance of the first ejector pin and the product, so that the product is driven to fall away from the first ejector pin and the second ejector pin completely under the action of the quick ejection force of each second ejector pin, the product is quickly recovered, and the whole product ejection process is convenient to operate and flexible and controllable in movement.
Furthermore, the driving mechanism comprises a driving block, an installation cavity is arranged on the ejector plate, the driving block is hinged in the installation cavity, and one end, far away from the fixed module, of the second ejector pin extends into the installation cavity and is connected with one end of the driving block; the feeler lever is positioned at one end, far away from the second thimble, in the mounting cavity, one end of the feeler lever is abutted against the other end of the driving block, and the other end of the feeler lever penetrates through the mounting cavity and extends towards the direction of the fixed die block; when the feeler lever drives the driving block to rotate, the upward movement distance of one end of the driving block close to the second thimble is greater than the downward movement distance of one end of the driving block close to the feeler lever.
As an improvement, the outer side wall of the driving block is symmetrically provided with hinged shafts, and the hinged shafts are hinged on the side wall of the mounting cavity. In the above-mentioned improvement structure, through set up the articulated shaft respectively in drive block both sides for the rotation that the drive block can be more nimble in the installation cavity.
And in a further improvement, the distance between one end of the driving block close to the second thimble and the axis of the hinge shaft is greater than the distance between the other end of the driving block and the axis of the hinge shaft. According to the improved structure, the distances between the two ends of the driving block and the axle center of the hinge shaft are different, and in order to effectively realize the amplification effect of the ascending distance of the second thimble, the product is more conveniently separated from the first thimble and the second thimble.
And in a further improvement, an outward-protruding clamping block is arranged at one end of the second thimble, which is located in the mounting cavity, and a clamping groove which is movably matched with the outer part of the clamping block is arranged at one end of the driving block, which is close to the second thimble.
Preferably, the clamping groove is a circular arc-shaped open groove, and the edge of the open groove is a circular transition surface. In the structure, the clamping block is movably matched in the arc-shaped open slot, so that relative rotation between the two parts is facilitated, the two end faces of the open end are circular transition faces, the clamping block can flexibly rotate in the clamping slot when the driving block drives the second ejector pin to eject twice, and meanwhile, the second ejector pin can be guaranteed to have stable straightness of upward movement.
In a further improvement, a garbage nail is arranged on one side, close to the feeler lever, in the mounting cavity and is slidably arranged on the side wall, opposite to the feeler lever, of the mounting cavity in a penetrating manner; one end of the driving block, which is far away from the second thimble, is movably matched between the feeler lever and the garbage nail. In the above-mentioned improvement structure, when setting up of rubbish nail made initial condition, the drive block can be at the stable spacing of horizontal position, guarantees the vertical degree of second thimble, guarantees the ejecting flexibility of secondary.
And the driving block is provided with a movable block which is movably matched between the feeler lever and the garbage nails, and the upper end surface and the lower end surface of the movable block are arc surfaces. In the above-mentioned improvement structure, both ends are the arcwall face about the movable block for when the drive block rotates, the movable block can be more nimble rotation between feeler lever and rubbish nail.
And the improved structure is characterized in that a first limit column corresponding to the feeler lever is arranged on one side of the fixed die block close to the bottom plate, a second limit column is arranged on one side of the ejector plate close to the fixed die block, the distance D2 between the second limit column and the fixed die block is greater than the distance D1 between the first limit column and the end part of the feeler lever, the first limit column structure is mainly used for limiting the ejection motion of the ejector plate in the first stage, the second limit column is arranged, and the height difference between the D2 and the D1 is mainly used for accurately limiting the secondary ejection distance of the second ejector pin.
The ejector plate comprises an upper pressing plate and a lower pressing plate, an upper groove is formed in the lower end face of the upper pressing plate, a lower groove corresponding to the upper groove is formed in the upper end face of the lower pressing plate, and the upper groove and the lower groove are closed to form the installation cavity; the articulated shaft supports against the upper end face of the lower pressing plate, and accommodating grooves for accommodating the articulated shaft are formed in the two sides of the upper groove in the upper pressing plate. In the structure, the ejector pin plate is divided into an upper part structure and a lower part structure, and the first part structure is used for fixing each first ejector pin; but to realize the processing and forming of the installation cavity structure; and the articulated shaft directly contradicts at the holding down plate up end in this structure, and when the drive block rotated promptly, the articulated shaft directly rotated at the holding down plate up end, rotated in a flexible way to can realize the position of articulated shaft through the storage tank and prescribe a limit to, can not take place the offset during the rotation, guarantee the steady control of second thimble secondary ejection motion.
Drawings
Fig. 1 is a schematic structural view of an injection mold facilitating demolding according to the present invention. (removal of foot model)
Fig. 2 is a sectional view of the injection mold of the present invention facilitating mold release.
Fig. 3 is an enlarged view of the structure at Y in fig. 2.
Fig. 4 is a structural diagram of the ejector pin plate in the disassembled state and the ejector pin in the invention.
Fig. 5 is a schematic structural view of an upper platen in the present invention.
Description of reference numerals:
1-bottom plate, 2-fixed module, 3-thimble plate, 3.1-upper press plate, 3.1.1-upper groove, 3.1.2-containing groove, 3.2-lower press plate, 3.2.1-lower groove, 4-first thimble, 5-second thimble, 5.1-fixture block, 6-feeler lever, 7-driving block, 7.1-clamping groove, 8-installation cavity, 9-garbage nail, 10-movable block, 11-articulated shaft, 12-first spacing column, 13-second spacing column and 14-foot mould.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it should be noted that the terms "upper end", "lower end", "outer side wall", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, the terms "first" and "second" are used for convenience of description and distinction, and have no specific meaning.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figures 1 and 2, the invention provides an injection mold convenient for demolding, which comprises a bottom plate 1 and a fixed mold block 2, wherein foot molds 14 are connected to two sides of the bottom plate 1, the fixed mold block 2 is connected to the bottom plate 1 through the foot molds 14 so as to form an installation space between the fixed mold block 2 and the bottom plate 1, an ejector plate 3 capable of sliding along the vertical direction and a driving cylinder for driving the ejector plate 3 to move are arranged in the installation space between the bottom plate 1 and the fixed mold block 2, specifically, the driving cylinder is of an oil cylinder structure, the driving force is stable, a plurality of first ejector pins 4 are arranged on the ejector plate 3, the other ends of the first ejector pins 4 are arranged in the fixed mold block 2 in a penetrating manner, a plurality of second ejector pins 5 are further arranged on the ejector plate 3, one ends of the second ejector pins 5 are connected with the ejector plate 3 in a sliding manner, the other ends of the second ejector pins extend into the fixed mold block 2, a plurality of driving mechanisms for respectively driving the second ejector pins 5 to move are arranged on the ejector plate 3, the ejector plate 3 is also provided with a contact rod 6 capable of sliding along the die sinking direction, one end of the contact rod 6 is in linkage fit with the driving mechanism, and the other end extends towards the fixed module 2; during the die sinking, actuating cylinder 4 drive thimble board 3 moves towards 2 directions of deciding the module, and first thimble 4, the synchronous ejecting product of second thimble 5 when feeler lever 6 with decide module 2 butt, thimble board 3 continues to move towards deciding module 2, and feeler lever 6 and actuating mechanism linkage effect order about many second thimbles 5 through actuating mechanism and ejecting towards deciding module 2 secondary, and the ejecting distance of second thimble 5 secondary is greater than thimble board 3 displacement, realizes that the product breaks away from with first thimble 4.
As shown in fig. 3, the driving mechanism in the above structure includes a driving block 7, an installation cavity 8 is provided on the ejector plate 3, the driving block 7 is hinged in the installation cavity 8, specifically, a hinge shaft 11 is symmetrically provided on the outer side wall of the driving block 7, the outer end of the hinge shaft 11 is hinged on two symmetric side walls of the installation cavity 8, and the driving block 7 can rotate around the hinge shaft 11 in the installation cavity 8. In addition, one end of the second thimble 5 far away from the fixed module 2 extends into the installation cavity 8 and is connected with one end of the driving block 7; the feeler lever 6 is positioned at one end of the mounting cavity 8 far away from the second thimble 5, the lower end of the feeler lever 6 is abutted against the other end of the driving block 7, and the upper end of the feeler lever 6 penetrates through the upper wall of the mounting cavity 8 and extends towards the fixed module 2; during the die sinking, thimble board 3 moves to when feeler lever 6 conflicts with fixed module 2 towards fixed module 2, feeler lever 6 moves down and orders about drive block 7 to rotate round articulated shaft 11, the one end that feeler lever 6 was kept away from to drive block 7 drives the up ejection motion of second thimble 5, and the distance that the nearly second thimble 5 one end of drive block 7 moved up is greater than the distance that the nearly feeler lever 6 one end of drive block 7 moved down, promptly through the descending of feeler lever 6, drive block 7 and rotate, drive second thimble 5 goes upward, and under the unchangeable condition of thimble board 3 movement distance, the distance that second thimble 5 went upward presents the amplification effect for the distance that descends of feeler lever 6. Specifically, in the first stage (the movement distance is D1) of the movement of the ejector plate 3, the first ejector pin 4 and the second ejector pin 5 are driven to simultaneously eject, so as to separate the product from the mold core, and at this time, the product is still supported at the upper ends of the first ejector pin 4 and the second ejector pin 5, and the product and the first ejector pin are continuously adhered to each other; when the ejector plate 3 continues to move in the second stage (the movement distance is D2-D1), the contact rod 6 moves downwards under the action of the abutting action of the fixed die block 2 to drive the driving block 7 to rotate, the second ejector pin 5 performs secondary ejection movement relative to the ejector plate 3 while the ejector plate 3 drives the first ejector pin 4 and the product continues demoulding movement, and the ejection distance of the second ejector pin 5 is greater than the movement distance of the first ejector pin 4 and the product, so that the product is driven to be separated from the first ejector pin 4 under the action of the rapid ejection force of each second ejector pin 5, the ejector plate 3 stops when the second stage moves to the limit position where the second limit column 13 abuts against the fixed die block 2, and the secondary ejection distance of the second ejector pin 5 is effectively controlled.
In the above structure, in order to achieve the effect of amplifying the ejection distance of the second thimble 5, the distance between one end of the driving block 7 close to the second thimble 5 and the axis of the hinge shaft 11 is greater than the distance between the other end of the driving block 7 and the axis of the hinge shaft 11. Preferably, the distance from one end of the driving block 7 close to the second thimble 5 to the axis of the hinge shaft 11 is 1.5 times the distance from the other end of the driving block 7 to the axis of the hinge shaft 11, so that when the contact rod 6 moves down by a set distance, the upward distance of the second thimble 5 is 1.5 times of an amplification effect, and therefore when the second stage of the movement of the die sinking thimble plate 3 is realized, the upward secondary ejection of the second thimbles 5 has an acceleration process relative to the downward movement of the contact rod 6, so that each second thimble 5 acts on a product to form an impact force, and the product is convenient to separate from the first thimble 4 and the second thimble 5. As shown in fig. 4, a structure with one mold and two ejector pins is provided, that is, each product is correspondingly provided with six ejector pins, two second ejector pins 5 and four first ejector pins 4, and in practical application, the mold core direction of the fixed mold block 2 shown in fig. 1 is downward, after the second ejector pins 5 perform secondary ejection, the product is separated from most of the first ejector pins 4, and under the secondary ejection acting force, the product and a small number of second ejector pins 5 can be easily separated and fall down, so that only one box is adopted to catch the product, and the manipulator is not required to take the product again, thereby improving the efficiency.
Specifically, as shown in fig. 3, an outer wall of one end of the second thimble 5 located in the mounting cavity 8 is integrally formed with a convex clamping block 5.1, and one end of the driving block 7 close to the second thimble 5 is provided with a clamping groove 7.1 movably matched with the outer portion of the clamping block 5.1. The clamping groove 7.1 is a circular arc-shaped open groove, and the edge of the open groove is a circular transition surface. After the arrangement, the fixture block 5.1 at the lower end of the second thimble 5 is actually movably clamped in the open slot, so that the lower end edge of the clamp slot drives the second thimble 5 to vertically move upwards when the driving block 7 rotates, and the clamp slot 7.1 and the fixture block 5.1 in the structure are a flexible driving process.
A garbage nail 9 is arranged on one side, close to the feeler lever 6, in the mounting cavity 8, and the garbage nail 9 is slidably arranged on the side wall, opposite to the feeler lever 6, of the mounting cavity 8 in a penetrating manner; one end of the driving block 7 far away from the second thimble 5 is movably matched between the contact rod 6 and the garbage nail 9. When the mold is closed, the lower end of the garbage nail 9 abuts against the bottom plate 1, one end of the driving block 7 abuts against the upper end face of the garbage nail 9, the lower end of the contact rod 6 abuts against one side, opposite to the garbage nail 9, of one end of the driving block 7, the contact rod 6 is of a T-shaped structure, the contact rod 6 and the large head section of the garbage nail 9 are located in the installation cavity 8, and in the state, the large head section of the garbage nail 9 has a sliding distance from the lower end face of the installation cavity 8; at the moment, the driving block 7 is in a horizontal state, the clamping block 5.1 is matched in the clamping groove 7.1, and as shown in fig. 2 and 3, the stability of the driving block 7 is ensured through the arrangement of the garbage nails 9. After the die sinking, thimble board 3 up-motion first stage distance, the lower extreme and the 1 up end separation of bottom plate of rubbish nail 9 this moment, when thimble board 3 motion second stage, feeler lever 6 is down, drives the drive block 7 and is close to rubbish nail 9 one end down motion, and the lower end of installation cavity 8 is worn out to the lower list of rubbish nail 9, and drive block 7 rotates, drives second thimble 5 through draw-in groove 7.1 and up-moves.
In the structure, the movable block 10 which is movably matched between the contact rod 6 and the garbage nail 9 is arranged on the driving block 7, and the upper end face and the lower end face of the movable block 10 are arc-shaped faces, so that the movable block 10 can flexibly rotate between the lower end face of the contact rod 6 and the upper end face of the garbage nail 9 when moving up and down, and the flexibility of the driving block 7 moving around the hinged shaft 11 is ensured.
As shown in fig. 1 and 2, a first limit column 12 corresponding to the feeler lever 6 is arranged on one side of the fixed mold block 2 close to the bottom plate 1, a second limit column 13 is arranged on one side of the ejector plate 3 close to the fixed mold block 2, and a distance D2 between the second limit column 13 and the fixed mold block 2 is greater than a distance D1 between the first limit column 12 and the end of the feeler lever 6, as shown in fig. 2. In the structure, the accurate limiting of the two motion stages of the ejector plate 3 is realized by arranging the first limiting column 12 and the second limiting column 13, namely, the accurate control of the secondary ejection distance is realized.
Moreover, the ejector plate 3 in the embodiment includes an upper pressing plate 3.1 and a lower pressing plate 3.2, an upper groove 3.1.1 is arranged on the lower end surface of the upper pressing plate 3.1, a lower groove 3.2.1 corresponding to the upper groove 3.1.1 is arranged on the upper end surface of the lower pressing plate 3.2, and when the upper pressing plate 3.1 is pressed and connected together, the upper groove 3.1.1 and the lower groove 3.2.1 are closed to form a mounting cavity 8; more specifically, for processing convenience, articulated shaft 11 supports and leans on the up end at holding down plate 3.2 in this structure to the both sides that lie in upper groove 3.1.1 on holding down plate 3.1 are equipped with the storage tank 3.1.2 that is used for holding articulated shaft 11, as shown in fig. 4, 5, have so both guaranteed that drive block 7 has the space of down-motion, can realize articulated shaft 11's nimble rotation again.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.

Claims (10)

1. The utility model provides an injection mold convenient to drawing of patterns, includes bottom plate (1) and cover half piece (2), cover half piece (2) is connected on bottom plate (1), be equipped with between bottom plate (1) and cover half piece (2) along vertical slidable thimble board (3) and be used for the drive actuating cylinder (4) of thimble board (3) motion, be equipped with many first thimbles (4) on thimble board (3), the other end of first thimble (4) is worn to establish in cover half piece (2), its characterized in that: the ejector plate (3) is further provided with a plurality of second ejector pins (5), one ends of the second ejector pins (5) are connected with the ejector plate (3) in a sliding mode, the other ends of the second ejector pins extend into the fixed module (2) in a penetrating mode, the ejector plate (3) is provided with a plurality of driving mechanisms used for driving the second ejector pins (5) to move respectively, the ejector plate (3) is further provided with a contact rod (6) capable of sliding along the die opening direction, one end of the contact rod (6) is in linkage fit with the driving mechanisms, and the other end of the contact rod extends towards the fixed module (2); during the die sinking, actuating cylinder (4) drive thimble board (3) move towards deciding module (2) direction, and first thimble (4), second thimble (5) are synchronous ejecting product until feeler lever (6) are with deciding during module (2) butt, thimble board (3) continue to move, feeler lever (6) drive actuating mechanism moves, orders about second thimble (5) are ejecting towards deciding module (2) secondary, just second thimble (5) secondary ejection distance is greater than thimble board (3) displacement, realizes that the product breaks away from with first thimble (4).
2. The easy-to-demold injection mold of claim 1, wherein: the driving mechanism comprises a driving block (7), an installation cavity (8) is formed in the ejector plate (3), the driving block (7) is hinged in the installation cavity (8), and one end, far away from the fixed module (2), of the second ejector pin (5) extends into the installation cavity (8) and is connected with one end of the driving block (7); the feeler lever (6) is positioned at one end, far away from the second thimble (5), in the mounting cavity (8), one end of the feeler lever (6) is abutted against the other end of the driving block (7), and the other end of the feeler lever (6) penetrates through the mounting cavity (8) and extends towards the fixed module (2); when the feeler lever (6) drives the driving block (7) to rotate, the upward movement distance of one end, close to the second thimble (5), of the driving block (7) is greater than the downward movement distance of one end, close to the feeler lever (6), of the driving block (7).
3. The easy-to-demold injection mold of claim 2, wherein: the lateral wall of drive block (7) is gone up the symmetry and is equipped with articulated shaft (11), articulated shaft (11) articulate on the lateral wall of installation cavity (8).
4. The easy-to-demold injection mold of claim 3, wherein: the distance between one end of the driving block (7) close to the second thimble (5) and the axle center of the hinge shaft (11) is greater than the distance between the other end of the driving block (7) and the axle center of the hinge shaft (11).
5. The easy-to-demold injection mold of claim 2, wherein: one end of the second ejector pin (5) located in the mounting cavity (8) is provided with a convex clamping block (5.1), and one end, close to the second ejector pin (5), of the driving block (7) is provided with a clamping groove (7.1) which is movably matched with the outer part of the clamping block (5.1).
6. The easy-to-demold injection mold of claim 5, wherein: the clamping groove (7.1) is a circular arc-shaped open groove, and the opening edge of the open groove is a circular transition surface.
7. The easy-to-demold injection mold of claim 3, wherein: a garbage nail (9) is arranged on one side, close to the feeler lever (6), in the mounting cavity (8), and the garbage nail (9) is slidably arranged on the side wall, opposite to the feeler lever (6), of the mounting cavity (8) in a penetrating manner; one end, far away from the second thimble (5), of the driving block (7) is movably matched between the feeler lever (6) and the garbage nail (9).
8. The easy-to-demold injection mold of claim 7, wherein: the garbage disposal device is characterized in that the driving block (7) is provided with a movable block (10) which is movably matched with the feeler lever (6) and between the garbage nails (9), and the upper end face and the lower end face of the movable block (10) are arc-shaped faces.
9. The easy-to-demold injection mold of claim 2, wherein: decide nearly bottom plate (1) one side of module (2) and be equipped with first spacing post (12) corresponding with feeler lever (6), thimble board (3) are close to decide module (2) one side and are equipped with spacing post (13) of second, just distance D2 between spacing post (13) of second and the cover half module (2) is greater than distance D1 between first spacing post (12) and feeler lever (3) tip.
10. The easy-to-demold injection mold of claim 3, wherein: the ejector plate (3) comprises an upper pressing plate (3.1) and a lower pressing plate (3.2), an upper groove (3.1.1) is formed in the lower end face of the upper pressing plate (3.1), a lower groove (3.2.1) corresponding to the upper groove (3.1.1) is formed in the upper end face of the lower pressing plate (3.2), and the upper groove (3.1.1) and the lower groove (3.2.1) are closed to form the mounting cavity (8); the articulated shaft (11) is abutted against the upper end face of the lower pressing plate (3.2), and accommodating grooves (3.1.2) for accommodating the articulated shaft (11) are formed in the two sides, located on the upper groove (3.1.1), of the upper pressing plate (3.1).
CN202210008607.9A 2022-01-06 2022-01-06 Injection mold convenient to drawing of patterns Pending CN114311556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210008607.9A CN114311556A (en) 2022-01-06 2022-01-06 Injection mold convenient to drawing of patterns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210008607.9A CN114311556A (en) 2022-01-06 2022-01-06 Injection mold convenient to drawing of patterns

Publications (1)

Publication Number Publication Date
CN114311556A true CN114311556A (en) 2022-04-12

Family

ID=81024835

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210008607.9A Pending CN114311556A (en) 2022-01-06 2022-01-06 Injection mold convenient to drawing of patterns

Country Status (1)

Country Link
CN (1) CN114311556A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114770880A (en) * 2022-04-14 2022-07-22 深圳市集美模具科技有限公司 Mould explosion is Ke ejection mechanism and injection mold
CN116533467A (en) * 2023-04-24 2023-08-04 深圳恒佳精密模具注塑有限公司 Double-colored injection mold

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205202040U (en) * 2015-10-15 2016-05-04 广东瑞景塑胶科技有限公司 Ejecting mould structure of secondary
CN105856515A (en) * 2015-01-19 2016-08-17 宇龙计算机通信科技(深圳)有限公司 Secondary ejection mechanism and injection moulding mold
CN207388220U (en) * 2017-03-30 2018-05-22 东莞市富菘塑胶实业有限公司 A kind of ejecting mechanism of injection mold
CN109366910A (en) * 2018-11-30 2019-02-22 太仓鑫望威精密机械有限公司 A kind of mold auxiliary ejection device and its working method
CN212979121U (en) * 2020-07-03 2021-04-16 昆山同寅兴业机电制造有限公司 Ejection mechanism and injection mold adopting same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105856515A (en) * 2015-01-19 2016-08-17 宇龙计算机通信科技(深圳)有限公司 Secondary ejection mechanism and injection moulding mold
CN205202040U (en) * 2015-10-15 2016-05-04 广东瑞景塑胶科技有限公司 Ejecting mould structure of secondary
CN207388220U (en) * 2017-03-30 2018-05-22 东莞市富菘塑胶实业有限公司 A kind of ejecting mechanism of injection mold
CN109366910A (en) * 2018-11-30 2019-02-22 太仓鑫望威精密机械有限公司 A kind of mold auxiliary ejection device and its working method
CN212979121U (en) * 2020-07-03 2021-04-16 昆山同寅兴业机电制造有限公司 Ejection mechanism and injection mold adopting same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114770880A (en) * 2022-04-14 2022-07-22 深圳市集美模具科技有限公司 Mould explosion is Ke ejection mechanism and injection mold
CN114770880B (en) * 2022-04-14 2023-02-10 深圳市集美模具科技有限公司 Injection mold explosion Ke Dingchu mechanism
CN116533467A (en) * 2023-04-24 2023-08-04 深圳恒佳精密模具注塑有限公司 Double-colored injection mold
CN116533467B (en) * 2023-04-24 2024-03-08 深圳恒佳精密模具注塑有限公司 Double-colored injection mold

Similar Documents

Publication Publication Date Title
CN114311556A (en) Injection mold convenient to drawing of patterns
CN212888753U (en) Microscope processing is with microscope base forming die
CN112848104A (en) Double-color injection mold for automobile instrument board decoration strip
CN216506573U (en) Demoulding structure of mould
CN109759544B (en) Automatic core-pulling mechanism of single cylinder engine inner cavity movable block
CN207256774U (en) A kind of automobile handle box molding die
CN212603096U (en) Convenient injection mold of drawing of patterns
CN211440988U (en) Reverse internal core-pulling mechanism and injection mold
CN211031091U (en) Injection mold capable of automatically demolding concave parts of automobile
CN110948798A (en) Reverse internal core-pulling mechanism and injection mold
CN210732950U (en) Accurate precision mold in location
CN219805359U (en) Die casting die for metal parts
CN219338383U (en) Tire pressure sensor shell injection mold
CN209755959U (en) Sliding block inclined ejection core pulling mechanism and injection mold
CN219466897U (en) Die sinking device
CN219686439U (en) Demoulding structure of mould
CN216544199U (en) Mould ejection mechanism's switching device
CN220095419U (en) Deep hole detection box injection mold secondary ejection mechanism
CN218489011U (en) Large-angle pitched roof demoulding structure
CN221292125U (en) Injection mold of aquarium built-in filter sponge seat
CN215320365U (en) Demoulding mechanism
CN215320349U (en) Lateral core-pulling mechanism and injection mold
CN220409488U (en) Novel precise forming die
CN220163124U (en) Injection molding machine die convenient for demolding
CN212860247U (en) Injection mold

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination