CN216992919U

CN216992919U - BTE product and stub bar break-off interval ejection device

Info

Publication number: CN216992919U
Application number: CN202123175115.9U
Authority: CN
Inventors: 杜世强
Original assignee: Kunshan Yangyi Precise Components Co ltd
Current assignee: Kunshan Yangyi Precise Components Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-07-19
Anticipated expiration: 2031-12-16

Abstract

The utility model relates to a BTE product and stub bar breaking-off interval ejection device, which comprises a machine table, a pressing cylinder, a die core positioning frame, a jacking cylinder, a stub bar main ejector rod and a product middle ejector rod, wherein the pressing cylinder is arranged on the machine table; the machine table is provided with a support frame, the compression air cylinder is vertically arranged at the top end of the support frame, and the bottom end of a piston rod of the compression air cylinder is provided with a compression fork; the die core positioning frame is positioned on the table top in the middle of the support frame; the jacking cylinder is vertically arranged on the machine table, a lifting seat is arranged at the top end of a piston rod of the jacking cylinder, the material head main ejector rod and the material head middle ejector rod are vertically arranged on the top end of the lifting seat, and a material head auxiliary ejector rod and a material side ejector rod are further arranged on the lifting seat. The utility model can position the injection molding piece on the mold core and eject the BTE product and the stub bar at intervals, and the BTE product and the stub bar can be separated and ejected by a single process, thereby being beneficial to simplifying the production flow and reducing the labor intensity of manpower.

Description

BTE product and stub bar break-off interval ejection device

Technical Field

The utility model relates to the field of ejection of injection products, in particular to BTE products and stub bar breaking and spacing ejection equipment.

Background

The BTE product is subjected to injection molding in a double-injection mold, after the product is shaped, the mold is opened, the mold core and the injection molding piece are required to be taken out together, then the injection molding piece is ejected out of the mold core through a jig, and the operation of separating the product from the stub bar is carried out manually.

In the above operation mode, the ejection and separation are divided into two steps corresponding to two processes, resulting in a complex flow, a certain time consumption for transferring products between the processes, and a large labor intensity.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is:

the BTE product and stub bar breaking-off interval ejection device is designed, injection molding parts on a mold core can be positioned, the BTE product and the stub bar are ejected at intervals, the BTE product and the stub bar are separated and ejected in a single process, the production flow is simplified, and the labor intensity of manpower is reduced.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a BTE product and stub bar break-off interval ejection device comprises a machine table, a pressing cylinder, a die core positioning frame, a jacking cylinder, a stub bar main ejector rod and a product middle ejector rod; the machine table is provided with a support frame, the compression air cylinder is vertically arranged at the top end of the support frame, and the bottom end of a piston rod of the compression air cylinder is provided with a compression fork; the die core positioning frame is positioned on the table top in the middle of the support frame; the jacking cylinder is vertically arranged on the machine table, a lifting seat is arranged at the top end of a piston rod of the jacking cylinder, the stub bar main ejector rod and the product middle ejector rod are vertically arranged at the top end of the lifting seat, a stub bar auxiliary ejector rod and a product side ejector rod are also arranged on the lifting seat, and the product side ejector rods are positioned at two sides of the product middle ejector rod; the length of the middle ejector rod and the length of the side ejector rod of the product are larger than that of the main ejector rod of the stub bar and the auxiliary ejector rod of the stub bar.

Furthermore, the bottom end of the compression fork is forked, the compression fork is movably connected with a sliding rail on the supporting frame through a sliding block, and the compression fork corresponds to the upper position and the lower position of the die core positioning frame.

Furthermore, a die core positioning pin is arranged on the table top in the middle of the supporting frame, and the die core positioning pin is vertically arranged and is positioned on the inner side of the die core positioning frame.

Furthermore, a guide rod is arranged on the lifting seat and movably arranged in a guide sleeve on the support frame.

Furthermore, the support frame is provided with vertical through holes corresponding to the stub bar main ejector rod, the stub bar auxiliary ejector rod, the product middle ejector rod and the product side ejector rod respectively.

Furthermore, the height of the stub bar main ejector rod and the height of the stub bar auxiliary ejector rod are consistent, and the stub bar main ejector rod is located in the middle of the top end of the lifting seat.

Furthermore, the heights of the product middle ejector rods and the product side ejector rods are consistent, and the product side ejector rods are symmetrically arranged relative to the product middle ejector rods.

Furthermore, be provided with the solenoid valve on the board, the solenoid valve passes through the trachea and is connected with compressing tightly cylinder and jacking cylinder respectively.

The utility model has the beneficial effects that: the utility model provides a BTE product and stub bar break-off interval ejection apparatus, combine to compress tightly the cylinder, compress tightly the fork, mould benevolence locating frame, the jacking cylinder, the seat goes up and down, stub bar main ejector pin, stub bar vice ejector pin of stub bar, the collocation utilization of ejector pin and product side ejector pin in the product, can fix a position the injection molding on the mould benevolence, and when the injection molding is for cooling off completely, it is ejecting to carry out the interval to BTE product and stub bar, the separation and ejecting of single process realization BTE product and stub bar promptly, reduce the process, be favorable to simplifying the production flow, degree of automation is higher simultaneously, can reduce human labor intensity.

Drawings

Fig. 1 is a schematic view of the overall structure of a BTE product and a stub bar break-off interval ejection apparatus according to the present invention.

Fig. 2 is a schematic view of a portion of the structure shown in fig. 1.

Fig. 3 is a schematic top view of the structure shown in fig. 2.

Fig. 4 is a schematic view of a lower structure of the structure shown in fig. 2.

Fig. 5 is a schematic top view of the structure shown in fig. 4.

Fig. 6 is a schematic diagram of a top rod and a product side top rod in a BTE product and stub bar break-off interval ejection apparatus according to the present invention.

In the figure: 1. a machine platform; 2. a support frame; 3. a pressing cylinder; 4. a compression fork; 5. a mold core positioning frame; 6. a die core positioning pin; 7. jacking a cylinder; 8. a lifting seat; 9. a guide bar; 10. a stub bar main ejector rod; 11. a stub bar auxiliary ejector rod; 12. a middle ejector rod of the product; 13. a product side ejector rod; 14. an electromagnetic valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 6, a BTE product and stub bar fracture interval ejection apparatus includes a machine table 1, a pressing cylinder 3, a die core positioning frame 5, a jacking cylinder 7, a stub bar main ejector rod 10, and a product middle ejector rod 12; the machine table 1 is provided with a support frame 2, the compression cylinder 3 is vertically arranged at the top end of the support frame 2, the bottom end of a piston rod of the compression cylinder 3 is provided with a compression fork 4, and the compression cylinder 3 is used for driving the compression fork 4 to move up and down so as to realize compression and positioning of the mold core; the die core positioning frame 5 is positioned on the table top in the middle of the support frame 2, and the die core positioning frame 5 is used for positioning the die core; the jacking cylinder 7 is vertically arranged on the machine table 1, a lifting seat 8 is arranged at the top end of a piston rod of the jacking cylinder 7, the jacking cylinder 7 is used for driving the lifting seat 8 to move up and down, so that jacking is realized, the stub bar main ejector rod 10 and the product middle ejector rod 12 are both vertically arranged at the top end of the lifting seat 8, the lifting seat 8 is also provided with a stub bar auxiliary ejector rod 11 and a product side ejector rod 13, the product side ejector rods 13 are positioned at two sides of the product middle ejector rod 12, the product middle ejector rod 12 and the product side ejector rod 13 are used for ejecting BTE products, and the stub bar main ejector rod 10 and the stub bar auxiliary ejector rod 11 are used for ejecting the stub bar; the lengths of the ejector rods 12 and the product side ejector rods 13 in the product are larger than those of the stub bar main ejector rod 10 and the stub bar auxiliary ejector rod 11, and the BTE product and the stub bar are separated and ejected at intervals by utilizing the length difference.

The bottom end of the compression fork 4 is bifurcated to avoid interference of ejection action, the compression fork 4 is movably connected with the sliding rail on the support frame 2 through a sliding block, the compression fork 4 corresponds to the upper and lower positions of the die core positioning frame 5, and the compression fork 4 is used for compressing the die core.

The table top at the middle part of the support frame 2 is also provided with a mold core positioning pin 6, the mold core positioning pin 6 is vertically arranged and is positioned at the inner side of the mold core positioning frame 5, and the mold core positioning pin 6 is used for positioning the mold core.

The lifting seat 8 is provided with a guide rod 9, the guide rod 9 is movably arranged in a guide sleeve on the support frame 2, and the guide rod 9 is used for guiding the up-and-down lifting movement of the lifting seat 8.

And vertical through holes corresponding to the stub bar main ejector rod 10, the stub bar auxiliary ejector rod 11, the product middle ejector rod 12 and the product side ejector rod 13 are formed in the support frame 2, so that interference is avoided.

The height of the stub bar main ejector rod 10 is consistent with that of the stub bar auxiliary ejector rod 11, and the stub bar main ejector rod 10 is located in the middle of the top end of the lifting seat 8 and used for ejecting the center of the stub bar.

The heights of the ejector rods 12 and the ejector rods 13 on the product side in the product are consistent, the ejector rods 13 on the product side are symmetrically arranged relative to the ejector rods 12 in the product, and the ejector rods 13 on the product side correspond to two ends of the BTE product to ensure that the BTE product is uniformly stressed and is broken away from a stub bar.

The machine table 1 is provided with an electromagnetic valve 14, the electromagnetic valve 14 is respectively connected with the pressing cylinder 3 and the jacking cylinder 7 through air pipes, and the electromagnetic valve 14 is used for respectively controlling the piston rods of the pressing cylinder 3 and the jacking cylinder 7 to move.

The working principle of the utility model is as follows: firstly, placing a mold core taken out of a mold after the mold is opened on a support frame 2, inserting a mold core positioning pin 6 into a through hole of the mold core, and performing contact type positioning on the outer wall of the mold core by a mold core positioning frame 5, wherein an injection molding part on the mold core is shaped but is not completely cooled;

a piston rod of the pressing cylinder 3 drives the pressing fork 4 to descend, so that the upper end surface of the mold core is pressed, and the mold core is fully positioned;

then a piston rod of the jacking cylinder 7 drives the lifting seat 8 to jack upwards, and the stub bar main ejector rod 10, the stub bar auxiliary ejector rod 11, the product middle ejector rod 12 and the product side ejector rod 13 move upwards uniformly; because the lengths of the ejector rod 12 in the product and the ejector rod 13 on the product side are greater than the lengths of the main ejector rod 10 of the stub bar and the auxiliary ejector rod 11 of the stub bar, and the lengths of the ejector rod 12 in the product and the ejector rod 13 on the product side are the same, the ejector rod 12 in the product and the ejector rod 13 on the product side can simultaneously eject to the middle part and the edge of the BTE product; because the upper cavity of the mold core and the glue inlet are provided with the fracture shrinkage port structures regularly, under the structure formed by the fracture shrinkage port structures and the reason that the fracture shrinkage port structures are not completely cooled, the BTE product is ejected upwards by the ejector rod 12 in the product and the ejector rod 13 on the side of the product, so that the BTE product is separated from a stub bar, and the fracture is realized;

then the lifting seat 8 moves upwards continuously, the stub bar main ejector rod 10 and the stub bar auxiliary ejector rod 11 are ejected to the middle part and all the subsections of the stub bar, and the stub bar can be ejected out from a pouring channel on the die core.

The above examples are intended to further illustrate the present invention, but not to limit the utility model to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.

Claims

1. The utility model provides a BTE product and stub bar break-off interval ejection apparatus which characterized in that: comprises a machine table (1), a pressing cylinder (3), a die core positioning frame (5), a jacking cylinder (7), a stub bar main ejector rod (10) and a product middle ejector rod (12); a supporting frame (2) is arranged on the machine table (1), the pressing cylinder (3) is vertically arranged at the top end of the supporting frame (2), and a pressing fork (4) is arranged at the bottom end of a piston rod of the pressing cylinder (3); the die core positioning frame (5) is positioned on the table top in the middle of the supporting frame (2); the jacking cylinder (7) is vertically arranged on the machine table (1), the top end of a piston rod of the jacking cylinder (7) is provided with a lifting seat (8), the stub bar main ejector rod (10) and the product middle ejector rod (12) are both vertically arranged at the top end of the lifting seat (8), the lifting seat (8) is also provided with a stub bar auxiliary ejector rod (11) and a product side ejector rod (13), and the product side ejector rods (13) are positioned at two sides of the product middle ejector rod (12); the lengths of the middle ejector rod (12) and the side ejector rod (13) of the product are greater than those of the main ejector rod (10) of the stub bar and the auxiliary ejector rod (11) of the stub bar.

2. A BTE product and slug break-off spacing ejection apparatus as claimed in claim 1, wherein: the bottom of the pressing fork (4) is bifurcated, the pressing fork (4) is movably connected with a sliding rail on the supporting frame (2) through a sliding block, and the pressing fork (4) corresponds to the upper position and the lower position of the die core positioning frame (5).

3. A BTE product and slug break-off spacing ejection apparatus as claimed in claim 2, wherein: the table top in the middle of the support frame (2) is also provided with a mold core positioning pin (6), and the mold core positioning pin (6) is vertically arranged and is positioned on the inner side of the mold core positioning frame (5).

4. A BTE product and slug break-off spacing ejection apparatus as in claim 3, further comprising: the lifting seat (8) is provided with a guide rod (9), and the guide rod (9) is movably arranged in a guide sleeve on the support frame (2).

5. A BTE product and slug break-off spacing ejection apparatus as in claim 4, further comprising: the supporting frame (2) is provided with vertical through holes corresponding to the stub bar main ejector rod (10), the stub bar auxiliary ejector rod (11), the product middle ejector rod (12) and the product side ejector rod (13).

6. A BTE product and slug break-off spacing ejection apparatus as in claim 5, further comprising: the height of the stub bar main ejector rod (10) and the height of the stub bar auxiliary ejector rod (11) are consistent, and the stub bar main ejector rod (10) is located in the middle of the top end of the lifting seat (8).

7. A BTE product and slug break-off spacing ejection apparatus as in claim 6, further comprising: the heights of the product middle ejector rods (12) and the product side ejector rods (13) are consistent, and the product side ejector rods (13) are symmetrically arranged relative to the product middle ejector rods (12).

8. A BTE product and slug break-off spacing ejection apparatus as in claim 7, wherein: the machine table (1) is provided with an electromagnetic valve (14), and the electromagnetic valve (14) is connected with the pressing cylinder (3) and the jacking cylinder (7) through air pipes respectively.