CN213006264U

CN213006264U - Injection mold provided with automatic ejection structure and used for machining workpiece

Info

Publication number: CN213006264U
Application number: CN202020966924.8U
Authority: CN
Inventors: 高庭早
Original assignee: Shaoxing Yuhang Plastic Packaging Co ltd
Current assignee: Shaoxing Yuhang Plastic Packaging Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-04-20
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses an injection mold for machining work piece with automatic ejecting structure, including base and bed die, the bottom of bed die is equipped with two spliced eye, and the spliced eye internal rotation is connected with the ejector pin, and the top of ejector pin has the top through the bolt fastening, the bottom of ejector pin has the fender ring through the bolt fastening, and the bottom of fender ring has the telescopic link through the bolt fastening, and the top of telescopic link has the mounting panel through the bolt fastening, and the outside of telescopic link has cup jointed the spring, the one end of spring with keep off ring fixed connection, and the other end and the mounting panel fixed connection of spring, the bottom inner wall of base has the fixed block through the bolt fastening, and one side of fixed block has the cylinder through the bolt fastening. The utility model discloses thereby at first thereby solved the work piece and do not have the problem in the space of buffering when ejecting, reduced the damage of work piece, improved the yield, secondly the degree of automation of device is high, reduces manual operation, has reduced personnel's scald.

Description

Injection mold provided with automatic ejection structure and used for machining workpiece

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold for machining work piece with automatic ejecting structure.

Background

Injection molding is a method for producing and molding industrial products, the products are generally made by rubber injection molding and plastic injection molding, and the injection molding can be also made by injection molding die pressing and die casting, while during injection molding, an injection mold is needed, and the parts which are just pressed are hot, so that a device capable of automatically ejecting the parts is needed to replace manual work so as to reduce the scald of personnel.

Through the retrieval, grant publication number is CN 210211236U's patent, discloses a plastic products injection mold ejecting device, including base, fixed plate and slide plate, base upper end middle part is provided with electric putter, base upper end four corners department is provided with the bracing piece. The above patents suffer from the following disadvantages: the workpiece has no buffer space when being ejected, the workpiece can be damaged when in use, the yield is reduced, and the requirements of people can not be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an injection mold for machining workpieces with an automatic ejection structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an injection mold for machining work piece with automatic ejecting structure, includes base and bed die, the bottom of bed die is equipped with two spliced eye, and the spliced eye internal rotation is connected with the ejector pin, and the top of ejector pin has the top through the bolt fastening, the bottom of ejector pin has the fender ring through the bolt fastening, and the bottom of fender ring has the telescopic link through the bolt fastening, and the top of telescopic link has the mounting panel through the bolt fastening, and the outside of telescopic link has cup jointed the spring, the one end and the fender ring fixed connection of spring, and the other end and the mounting panel fixed connection of spring.

Preferably, the inner wall of the bottom of the base is fixedly provided with a fixed block through a bolt, and one side of the fixed block is fixedly provided with an air cylinder through a bolt.

Preferably, one end of the cylinder is fixed with a connecting block through a bolt, and two sides of the connecting block are fixed with sliding rods through bolts.

Preferably, the upper surface of the base is fixed with two fixing plates through bolts, one side of each fixing plate is provided with a first sliding chute, and the first sliding chutes are connected with the sliding rods in a sliding manner.

Preferably, the mounting plate is rotatably connected with an X-shaped frame with one side of the fixing plate, second sliding grooves are formed in two sides of the mounting plate, a sliding block is slidably connected with one side of each second sliding groove, the sliding block is rotatably connected with the top end of the X-shaped frame, and the sliding end of the X-shaped frame is rotatably connected with the sliding rod.

Preferably, the upper surface of the base is fixed with two supporting plates through bolts, the supporting plates are fixedly connected with the lower die, one side of each supporting plate is fixed with a side plate through a bolt, and the bottom of each side plate is fixedly connected with the base.

Preferably, the upper surface of the base is fixed with a safety box through a bolt, and the cylinder is located inside the safety box.

The utility model has the advantages that:

1. the sliding rod is driven by the cylinder to slide in the fixing plate, so that the X-shaped frame is connected in a cross rotating mode, the mounting plate is lifted, the ejector rod slides upwards in the lower die, the workpiece which is caused by the ejector head is ejected, the automation degree is high, manual operation is reduced, and scalding of personnel is reduced.

2. Through the addition of the spring and the telescopic rod, the problem that the workpiece does not have a buffering space when being ejected is solved, the damage to the workpiece is reduced, and the yield is improved.

3. The ejector rod can be limited through the arrangement of the baffle ring, so that the ejector rod is prevented from being separated from a lower die when the workpiece is ejected, and the ejection effect of the workpiece is influenced.

Drawings

Fig. 1 is a schematic cross-sectional structural view of an injection mold provided with an automatic ejection structure and used for machining a workpiece, according to the present invention;

fig. 2 is a schematic view of a side plate opening structure of an injection mold with an automatic ejection structure for machining a workpiece, according to the present invention;

fig. 3 is the utility model provides a machining is injection mold for work piece's main view structure sketch map with automatic ejecting structure.

In the figure: 1. a base; 2. an X-shaped frame; 3. a cylinder; 4. a fixing plate; 5. connecting blocks; 6. a slide bar; 7. a telescopic rod; 8. a spring; 9. a top rod; 10. ejecting the head; 11. a lower die; 12. a baffle ring; 13. mounting a plate; 14. a side plate; 15. a support plate; 16. a fixed block; 17. a safety box.

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. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.

Referring to fig. 1-3, an injection mold with an automatic ejection structure for machining a workpiece comprises a base 1 and a lower mold 11, the lower mold 11 is matched with a film pressing box to press an injection molding material into a complete part, the bottom of the lower mold 11 is provided with two insertion holes, an ejector rod 9 is rotatably connected in the insertion hole, the top of the ejector rod 9 is fixed with a top 10 through a bolt, the pressed part is ejected out through the matched top 10 of the ejector rod 9, the bottom of the ejector rod 9 is fixed with a baffle ring 12 through a bolt, the baffle ring 12 limits the ejector rod 9, the bottom of the baffle ring 12 is fixed with a telescopic rod 7 through a bolt, the top of the telescopic rod 7 is fixed with a mounting plate 13 through a bolt, the outside of the telescopic rod 7 is sleeved with a spring 8, and the spring 8 and the telescopic rod 7 are added, so that the problem of no buffer space is generated when the workpiece is ejected, the damage of the workpiece is reduced, one end of the spring 8 is, and the other end of the spring 8 is fixedly connected with the mounting plate 13.

In the utility model, a fixed block 16 is fixed on the inner wall of the bottom of a base 1 through a bolt, a cylinder 3 is fixed on one side of the fixed block 16 through a bolt, a connecting block 5 is fixed on one end of the cylinder 3 through a bolt, a sliding rod 6 is fixed on the two sides of the connecting block 5 through a bolt, the cylinder 3 drives the sliding rod 6 to slide in a fixed plate 4, two fixed plates 4 are fixed on the upper surface of the base 1 through bolts, a first chute is arranged on one side of each fixed plate 4 and is connected with the sliding rod 6 in a sliding way, an X-shaped frame 2 is rotationally connected with one side of the fixed plate 4 through a mounting plate 13, a second chute is arranged on the two sides of the mounting plate 13, a slide block is connected with one side of the second chute in a sliding way and is rotationally connected with the top end of the X-shaped frame 2, the sliding end of the X-shaped frame 2 is rotationally connected with the, thereby lift mounting panel 13, two backup pads 15 of bolt fastening are passed through to the upper surface of base 1, and backup pad 15 and bed die 11 fixed connection, backup pad 15 plays the effect of support to bed die 11, there is curb plate 14 one side of backup pad 15 through the bolt fastening, and the bottom and the base 1 fixed connection of curb plate 14, there is safety box 17 base 1 amount of upper surface through the bolt fastening, and cylinder 3 is located inside safety box 17, safety box 17 plays the effect of protection to cylinder 3.

The working principle is as follows: during the use, at first stretch out and draw back through starting cylinder 3, thereby make slide bar 6 slide in fixed plate 4, thereby drive the second swinging arms and upwards rise, because the second swinging arms rotates with X type frame 2 alternately and is connected, thereby lift up mounting panel 13, thereby make ejector pin 9 upwards slide in bed die 11, thereby make the work piece that top 10 will cause go out, because the part temperature that just has pressed is too high, the condition that bonds with bed die 11 can appear, the cooperation through spring 8 and telescopic link 7 this moment, thereby play the space of buffering to the work piece when ejecting, thereby the damage of work piece has been reduced, it is spacing to ejector pin 9 to keep off ring 12, prevent that ejector pin 9 and bed die 11 from breaking away from.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an injection mold for machining work piece with automatic ejecting structure, includes base (1) and bed die (11), its characterized in that, the bottom of bed die (11) is equipped with two spliced eye, and the downthehole swing joint of spliced eye has ejector pin (9), top fixedly connected with top (10) of ejector pin (9), the bottom fixedly connected with of ejector pin (9) keeps off ring (12), keeps off bottom fixedly connected with telescopic link (7) of ring (12), the top fixedly connected with mounting panel (13) of telescopic link (7), and the outside of telescopic link (7) is equipped with spring (8), the one end and the fender ring (12) fixed connection of spring (8), and the other end and mounting panel (13) fixed connection of spring (8).

2. The injection mold provided with the automatic ejection structure and used for the machined workpiece is characterized in that a fixed block (16) is fixedly connected to the inner wall of the bottom of the base (1), and a cylinder (3) is fixedly connected to one side of the fixed block (16).

3. The injection mold for the machining workpiece with the automatic ejection structure as claimed in claim 2, wherein one end of the cylinder (3) is fixedly connected with a connecting block (5), and two sides of the connecting block (5) are fixedly connected with sliding rods (6).

4. The injection mold with the automatic ejection structure for the machined workpiece is characterized in that two fixing plates (4) are fixedly connected to the upper surface of the base (1), one side of each fixing plate (4) is provided with a first sliding groove, and the first sliding grooves are movably connected with the sliding rods (6).

5. The injection mold with the automatic ejection structure for the machined workpiece is characterized in that an X-shaped frame (2) is movably connected to one side of the mounting plate (13) and one side of the fixing plate (4), second sliding grooves are formed in two sides of the mounting plate (13), a sliding block is movably connected to one side of each second sliding groove, the sliding block is movably connected to the top end of the X-shaped frame (2), and the sliding end of the X-shaped frame (2) is movably connected to the sliding rod (6).

6. The injection mold provided with the automatic ejection structure and used for the machined workpiece is characterized in that two supporting plates (15) are fixedly connected to the upper surface of the base (1), the supporting plates (15) are fixedly connected with the lower mold (11), a side plate (14) is fixedly connected to one side of each supporting plate (15), and the bottom of each side plate (14) is fixedly connected with the base (1).

7. The injection mold provided with the automatic ejection structure for the machined workpiece is characterized in that a safety box (17) is fixedly connected to the upper surface of the base (1), and the air cylinder (3) is located inside the safety box (17).