CN213564157U

CN213564157U - Inclined ejecting device

Info

Publication number: CN213564157U
Application number: CN202022099739.6U
Authority: CN
Inventors: 陈国良; 郑建平; 蒲胤谷; 宋昌贵; 黄运航
Original assignee: Hangzhou Qiangben Plastic Technology Co ltd
Current assignee: Hangzhou Qiangben Plastic Technology Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-29
Anticipated expiration: 2030-09-23

Abstract

The utility model provides a push out device to one side, include: the oblique ejector pin, uide bushing and vertical ejector pin, wherein the uide bushing is arranged in the bottom of oblique ejector pin, vertical ejector pin passes the uide bushing and is connected with oblique ejector pin, the vertical setting of vertical ejector pin, the relative vertical ejector pin slope setting of oblique ejector pin, this oblique ejecting device remains the ejecting length of the oblique ejector pin in mould benevolence, set up vertical ejector pin and be used for ejecting oblique ejector pin upwards perpendicularly in the below of oblique ejector pin, move the position of original oblique footstock to mould benevolence bottom, reduce the length of oblique ejector pin, make it be difficult to bend or fracture.

Description

Inclined ejecting device

Technical Field

The utility model relates to an ejecting device of mould, in particular to push out device to one side.

Background

After a plastic product is injection molded in a mold, the inner back-off of the plastic product needs to be realized by adopting an inclined top to realize back-off demolding, and the inclined top is a part for supporting an inclined top block to perform inclined top core-pulling demolding of the injection mold. The design of the lifter with different sizes and volumes is required according to the characteristics of injection products, wherein the design length of the ejector rod is at least required to be larger than the distance between the die core surface and the ejector plate, so that the length of the lifter rod is also required to be designed to be very long for some products with large sizes. For the inclined ejector, the phenomenon of bending and breaking of the inclined ejector during ejection is easily caused by the small inclined ejector but the long ejection bit, so that the workpiece is worn, the inclined ejector needs to be frequently replaced in subsequent production, and the production cost of a die and a product is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a push-out device to one side, this push-out device to one side remains the ejecting length of the oblique ejector pin in mould benevolence, sets up vertical ejector pin in the below of oblique ejector pin and is used for perpendicular ejecting oblique ejector pin to one side, moves mould benevolence bottom with the position of original oblique footstock, reduces the length of oblique ejector pin, makes it be difficult to bend or fracture.

In order to achieve the above object, the present technical solution provides an inclined ejecting apparatus, including: the oblique ejector piece, the guide sleeve and the vertical ejector rod, wherein the guide sleeve is arranged at the bottom of the oblique ejector piece, the vertical ejector rod penetrates through the guide sleeve and is connected with the oblique ejector piece, the vertical ejector rod is vertically arranged, the oblique ejector piece is obliquely arranged relative to the vertical ejector rod, when the oblique ejector device is arranged in a die, the oblique ejector piece is arranged in an oblique hole in a die core, the vertical ejector rod is arranged outside the die core, a pressing block is arranged on the side of the guide sleeve, and the pressing block is arranged at the bottom of the guide sleeve.

In some embodiments, the lifter comprises a lifter bar arranged obliquely and a top head arranged at the head of the lifter bar, wherein the top head and the lifter bar are disassembled and assembled.

Compared with the prior art, the technical scheme has the following characteristics and beneficial effects:

1. the long oblique ejector is changed into a combined structure of an oblique ejector rod and a vertical ejector rod, the oblique ejector rod is arranged in the die core, the vertical ejector rod is connected to the bottom of the oblique ejector rod, the vertical ejector rod upwards pushes the oblique ejector rod under the action of the guide sleeve, the position of the original oblique ejector seat is moved to the bottom of the die core, the length of the oblique ejector rod is shortened in this way, and the stressed length of the oblique ejector rod is reduced so that the oblique ejector rod is not easy to bend and break.

2. In an embodiment, a detachable combination mode of the oblique ejector rod and the ejector head is adopted, so that the oblique ejector rod and/or the ejector head can be conveniently replaced when the oblique ejector rod or the ejector rod is deformed, the replacement cost is reduced, and meanwhile, the structural stability during connection can be ensured.

Drawings

Fig. 1 is a schematic view of an overall structure of a slanted ejecting apparatus according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an oblique ejection device according to an embodiment of the present invention

Fig. 3 is a schematic structural view of a slant entry device according to another embodiment of the present invention.

In the figure: 10-inclined ejector piece, 11-inclined ejector rod, 111-ejector rod connecting hole, 112-ejector rod groove, 113-connecting boss, 114-ejector rod boss, 12-ejector head, 121-ejector head connecting hole, 122-ejector head boss, 123-connecting groove, 124-ejector head groove, 20-guide sleeve, 30-vertical ejector rod and 40-pressing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

As shown in fig. 1 and 2, the structure of the slant-top device according to the first embodiment of the present solution is shown, which is greatly different from the current common slant-top on the market in that: the inclined ejecting device divides the original long inclined ejector into an inclined ejector rod arranged in the mold core and a vertical ejector rod arranged outside the mold core, which is equivalent to moving the original inclined ejector seat to the bottom of the mold core, so that the stress length of the inclined ejector rod is reduced, the inclined ejector rod is not easy to bend and break, and the mode can also reduce the interference of the ejector plate caused by the inclination.

Specifically, this oblique ejecting device includes oblique top 10, uide bushing 20 and vertical ejector pin 30, and wherein the bottom of oblique top 10 is arranged in to uide bushing 20, and vertical ejector pin 30 passes uide bushing 20 and oblique top 10 and connects, and vertical ejector pin 30 is vertical to be set up, and oblique top 10 sets up the relative vertical ejector pin 30 slope of oblique top. When the inclined ejecting device is arranged in a mould, the inclined ejecting piece 10 is arranged in an inclined hole in a mould core, the vertical ejector rod 10 is arranged outside the mould core, and when the vertical ejector rod 30 pushes the inclined ejecting piece 10, the inclined ejecting piece 10 can obliquely move along the inclined hole of the mould core, so that the horizontal back-off is released.

Wherein, the guide sleeve 20 is arranged below the slanted ejecting element 10, and a guide channel is arranged in the guide sleeve 20, the vertical push rod 30 passes through the guide sleeve 20 to be limited in the movement direction, wherein the guide channel is vertically arranged, so the vertical push rod 30 also makes stroke change along the vertical direction.

Wherein the vertical carrier rod 30 and the diagonal carrier rod 10 can be connected in various ways. In an embodiment of the present disclosure, the vertical push rod 30 and the oblique pushing member 10 are connected by a single-side T-slot, specifically, the single-side T-slot is disposed at the bottom of the oblique push rod 10, and the vertical push rod 30 is clamped in the single-side T-slot to be connected to the oblique pushing member 10. It should be noted that when the angle ejector is used in a mold, the angle ejector 10 is placed in the cavity inclined hole, and when the vertical ejector rod 30 vertically upward applies an acting force to the angle ejector rod, the angle ejector 10 can move obliquely upward under the limiting action of the cavity inclined hole and the T-shaped groove.

In addition, in order to ensure the structural stability of the slanted ejecting apparatus, a pressing block 40 is disposed at the side of the guide sleeve 20, wherein the pressing block 40 is disposed at the bottom of the guide sleeve 20 to resist the downward pressure of the slanted ejecting element 10, thereby ensuring that the slanted ejecting element 10 can be stably clamped in the cavity. In order to reduce the processing cost, the pressing block 40 is designed to be step-shaped, the position of the edge side of the pressing block 40 close to the bottom protrudes outwards to form a step, and the step is arranged below the guide sleeve 20 to clamp the limiting guide sleeve 20.

In some embodiments, the bottom of the vertical top bar 30 is provided with a U-shaped meson, which is sleeved on the vertical top bar 30.

The inclined ejecting piece 10 comprises an inclined ejector rod 11 arranged in an inclined mode and an ejector head 12 arranged at the head of the inclined ejector rod 11, wherein the ejector head 12 is abutted against the inverted buckling position of a product so as to realize demolding of the mold.

In the second embodiment, as shown in fig. 3, the present invention further provides a detachable pitched roof device of the pitched roof element 10, and the other structure of the pitched roof device is as shown in the first embodiment, except that the pitched roof bar 11 and the roof head 12 in this embodiment are detachable assembled structures, which not only facilitates the processing and assembling of the pitched roof element 10, but also facilitates the maintenance of the pitched roof element 10.

Specifically, the head of the oblique ejector rod 11 is provided with an ejector rod connecting hole 111, the tail of the ejector 12 is provided with an ejector head connecting hole 121, the positions of the ejector rod connecting hole 111 and the ejector head connecting hole 121 correspond to each other, and the clamping piece is clamped in the ejector rod connecting hole 111 and the ejector head connecting hole 121 to realize the connection between the two. In some embodiments, the top rod connection hole 111 and the top head connection hole 121 are threaded holes, and the screw rod extends into the threaded holes to connect the lifter 11 and the top head 12.

Furthermore, the present solution designs the head of the oblique mandril 11 into a shape matching the tail of the mandril 12, so as to enhance the connection stability of the oblique mandril 11 and the mandril 12. Specifically, the head of the oblique mandril 11 is provided with a mandril groove 112, correspondingly, the tail of the mandril 12 is provided with a mandril boss 122, wherein the shapes of the mandril groove 112 and the mandril boss 122 are matched. Similarly, the head of the oblique mandril 11 is provided with a mandril boss 114, correspondingly, the tail of the mandril 12 is provided with a mandril groove 124, wherein the shapes of the mandril boss 114 and the mandril groove 124 are matched.

In a specific embodiment of the present disclosure, the head of the lifter 11 is designed to be step-shaped, specifically, the head of the lifter 11 sequentially forms a first step, a second step and a third step from top to bottom, where the second step protrudes outward relative to the first step and the third step, and the third step protrudes outward relative to the first step. The end side surface of the first step is inwards recessed to form a mandril groove 112, the top side surface of the second step is protruded to form a connecting boss 113, the mandril connecting hole 111 is arranged on the connecting boss 113, the position of the third step, which is protruded relative to the second step, is the mandril boss 114, and correspondingly, the tail part of the top 12 is set to be in a corresponding shape.

Specifically, the use method of the inclined ejection device is as follows:

when the mold needs to be demolded, the vertical ejector rod 30 moves along the guide sleeve 20 from bottom to top, the inclined ejector rod 11 is driven to move along the inclined hole direction under the guiding action of the T groove and the mold core inclined hole, the horizontal releasing of the back-off is realized, and the inclined ejecting device is simple to process, reliable in structure and low in cost.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims

1. A slanted ejecting arrangement, comprising:

oblique top (10), uide bushing (20) and vertical ejector pin (30), wherein the bottom of oblique top (10) is arranged in uide bushing (20), vertical ejector pin (30) pass uide bushing (20) and oblique top (10) are connected, vertical ejector pin (30) vertical setting, oblique top (10) is the slope setting of vertical ejector pin (30) relatively, when this pushes up the device to one side and arranges the mould in, oblique top (10) are arranged in the inclined hole in the mould benevolence, outside mould benevolence is arranged in to vertical ejector pin (30), the avris of uide bushing (20) is equipped with briquetting (40), wherein the bottom of uide bushing (20) is arranged in briquetting (40).

2. The angle ejector apparatus according to claim 1, wherein the vertical ejector pin (30) and the angle ejector member (10) are connected by a single-sided T-slot.

3. The angle ejector according to claim 1, wherein the side of the pressing block (40) near the bottom is protruded outward to form a step, and the step is disposed below the guide sleeve (20) to clamp the position-limiting guide sleeve (20).

4. The angle ejector apparatus according to claim 1, wherein the angle ejector (10) is disposed in the cavity.

5. The angle ejector apparatus according to any one of claims 1 to 4, wherein the angle ejector member (10) comprises an angle ejector pin (11) disposed at an angle and an ejector head (12) disposed at a head of the angle ejector pin (11), wherein the ejector head (12) and the angle ejector pin (11) are disassembled and assembled.

6. The angle ejector device according to claim 5, wherein the head of the angle ejector rod (11) is provided with an ejector rod connecting hole (111), the tail of the ejector head (12) is provided with an ejector head connecting hole (121), and the positions of the ejector rod connecting hole (111) and the ejector head connecting hole (121) correspond.

7. The angle ejector apparatus according to claim 6, wherein the ejector pin attachment hole (111) and the ejector head attachment hole (121) are threaded holes.

8. The angle ejector device according to claim 5, wherein the head of the angle ejector rod (11) is provided with an ejector rod groove (112) and an ejector rod boss (114), the tail of the ejector head (12) is provided with an ejector head boss (122), and the tail of the ejector head (12) is provided with an ejector head groove (124).

9. The angle ejector device according to claim 8, wherein the head of the angle ejector rod (11) sequentially forms a first step, a second step and a third step from top to bottom, the end face of the first step is recessed inwards to form an ejector rod groove (112), the top side of the second step is raised to form a connecting boss (113), the ejector rod connecting hole (111) is formed in the connecting boss (113), and the position of the third step raised relative to the second step is the ejector rod boss (114).