CN209454049U - A Cutting Device for Automatically Cutting Off Die Edge Material - Google Patents

Abstract

The utility model relates to a cutting device for automatically cutting off the outer material of a mold, which comprises: an upper mold and a lower mold placed on a bearing platform, and is characterized in that: it also includes a guide plate arranged on the upper mold; The accommodation groove on the wall; the block detachably installed in the accommodation groove; the lifting assembly arranged on the carrying platform for driving the lifting block; the slide rails arranged in parallel on the carrying platform and on both sides of the upper mold; Move the slide plate connected on the slide rail; the rotary plate hinged on the slide plate, the end of the rotary plate away from the slide plate is provided with a cutter; the receiving frame for collecting the plastic waste falling after cutting is arranged on the rotary plate; And, a driving assembly arranged on the carrying platform for driving the sliding plate to move. When the cutting device of the utility model is in use, it can automatically cut off the excess plastic remaining on the upper mold. Compared with the way of manually cutting off the excess plastic, the work efficiency can be effectively improved, and the precision and aesthetics can be improved.

Description

A Cutting Device for Automatically Cutting Off Die Edge Material

technical field

The utility model relates to the technical field of rubber forming, in particular to a cutting device for automatically cutting off mold outer material.

Background technique

Molding is a common method for the production of industrial products. Rubber injection molding or plastic injection molding is usually used. It injects high-temperature molten materials between the upper mold and the lower mold, and obtains various injection molded products after cooling and molding.

The usual injection molds are composed of upper mold and lower mold, and the upper cavity of the upper mold and the lower cavity of the lower mold together form the injection cavity. Generally, the upper mold and the lower mold are covered with each other through the flat coaming around the cavity, and then the pressure of the hydraulic cylinder is applied externally to make the upper mold and the lower mold tightly attached to prevent the material from being blown during the injection molding process. Leakage from the interface between punch and die.

Due to the limitations of the manufacturing process, it is almost impossible to manufacture a mold that does not have any leakage at the interface. If the leakage is too large, it will leave a gap on the upper mold or at the junction of the upper mold and the lower mold after the product is demoulded. The more obvious convex part, at this time, the staff must perform a second treatment to remove the convex part.

However, artificial manual removal of residual material not only wastes more time and energy, but also increases the fatigue of the staff, thereby causing low work efficiency of the staff.

Utility model content

The purpose of the utility model is to provide a cutting device for automatically cutting off the outer material of the mold, which can automatically cut off the excess plastic remaining on the bottom end surface of the upper mold, thereby improving the working efficiency.

The above-mentioned purpose of the utility model is achieved through the following technical solutions:

A cutting device for automatically cutting off the outer material of the mold, comprising: an upper mold and a lower mold placed on a carrying platform, characterized in that: it also includes a guide plate arranged on the upper mold, and the installation direction of the guide plate is the same as that of the upper mold The extension direction of the bottom surface is consistent; the accommodation groove is opened on the side wall of the upper mold; the block is detachably installed in the accommodation groove; The slide rails on the table and located on both sides of the upper mold; the slide plate connected to the slide rail; the turn plate hinged on the slide plate, the end of the turn plate away from the slide plate is provided with a cutter; the turn plate is arranged on the turn plate for A receiving frame for collecting plastic wastes dropped after cutting, the installation direction of the receiving frame is consistent with the sliding direction of the slide; and a driving assembly arranged on the carrying platform for driving the slide to move.

By adopting the above-mentioned technical scheme, the upper mold can be easily raised through the provided lifting assembly, and then the driving assembly is used to drive the cutter to automatically cut off the residual plastic on the bottom surface of the upper mold. With the mutual cooperation, the plastic remaining on the upper mold can be easily removed. Compared with the method of manually removing the residual plastic, it can effectively reduce the time of the staff and improve the work efficiency.

The utility model is further configured as follows: the lifting assembly includes a vertical plate installed on the bearing platform, and the vertical plate is provided with an accommodating cavity; the screw rod is arranged in the accommodating cavity and vertically passes through the block, the The top end of the screw rod is rotatably connected to the top surface of the riser; and a motor arranged on the carrying platform for driving the screw rod to rotate.

By adopting the above technical scheme, when it is necessary to remove the plastic waste remaining on the upper mold, start the motor, the motor drives the screw to rotate, and then the screw drives the block to drive the upper mold to rise. For this, the cutter can be easily removed. Excess plastic waste on the bottom face of the upper mold.

The utility model is further configured as follows: the drive assembly includes a cylinder installed on the bearing platform with a piston rod connected to the slide plate.

By adopting the above technical scheme, when it is necessary to remove the plastic waste remaining on the upper mold, start the cylinder, and the cylinder drives the slide plate to slide on the slide rail. For this, the cutter can be driven to cut the plastic waste adhered to the lower mold .

The utility model is further configured as follows: the drive assembly includes: a rack on the outer wall of the slide plate that is consistent with the extending direction of the slide rail; a gear that matches the rack on the bearing platform; and a gear that is installed on the bearing platform Servo motors used to drive gears.

By adopting the above technical scheme, when it is necessary to remove the plastic waste remaining on the upper mold, start the servo motor, the servo motor will drive the gear to rotate, and because the gear is meshed with the rack, the rotation of the gear will drive the rack to rotate. , the sliding plate can be driven to move, and then the cutter can be driven to cut the plastic waste adhering to the mold.

The utility model is further configured as: the cutter is inclined.

By adopting the above technical solution, the inclined cutter is convenient for cutting off the plastic waste left on the upper mold, and then can quickly cut off the plastic waste.

The utility model is further configured as: the cutter is located directly above the receiving frame, and the receiving frame is installed on the rotating plate near the position of the cutter.

By adopting the above technical scheme, the cutter is set directly above the receiving frame. For this, when the cutter cuts off the remaining plastic waste, most of the plastic waste can fall on the receiving frame, further facilitating the receiving The box collects the plastic waste that falls after cutting.

The utility model is further configured as: one end is connected to the slide plate, and the other end is connected to the reinforcing rod on the rotating plate, the reinforcing rod is perpendicular to the sliding plate, and the reinforcing rod is detachably installed between the sliding plate and the rotating plate .

By adopting the above-mentioned technical scheme, the reinforcing rod provided can further strengthen the cutter to cut off the plastic remaining on the upper mold, and reduce the force of gravity on the rotating plate, which drives the cutter to move downward, which leads to the inability of the cutter to accurately cut off the remaining plastic on the upper mold. Scrap situation.

The utility model is further configured as: the receiving frame is detachably installed on the rotating plate.

By adopting the above technical scheme, the detachable installation method facilitates installation and replacement of the receiving frame, and at the same time, it is also convenient for the receiving frame to dump the collected plastic waste.

In summary, the beneficial technical effects of the utility model are:

1. Through the mutual cooperation of the lifting component, the driving component and the cutter, the remaining plastic material on the upper mold can be automatically removed. Compared with the manual removal of the remaining material, it can greatly save the time of the staff and physical strength, which in turn can improve work efficiency.

2. The plastic waste cut by the cutter can be easily collected through the receiving chute, reducing the time and effort of the staff to collect the plastic waste again. At the same time, the receiving chute can be disassembled and installed on the rotating plate. It is very convenient to take out the receiving box, and then it is very convenient to dump the plastic waste collected in the receiving box.

Description of drawings

Fig. 1 is the overall structure schematic diagram of upper mold and rotating plate in the utility model embodiment 1;

Fig. 2 is a schematic diagram of the overall structure of the slide plate and the slide rail in Embodiment 2 of the utility model;

FIG. 3 is an enlarged view of FIG. 2 .

Reference signs: 1. carrying platform; 2. upper mold; 3. lower mold; 4. guide plate; 6. block; 7. slide rail; 8. slide plate; 10. Riser; 101. Accommodating cavity; 11. Screw rod; 12. Motor; 13. Cylinder; 14. Rack; 15. Gear; 16. Servo motor; 17. Reinforcing rod.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Embodiment 1: A cutting device for automatically cutting off the outer material of the mold, as shown in Figure 1, includes an upper mold 2 and a lower mold 3 placed on the carrier table 1, wherein the upper mold and the lower mold are covered with each other and There is an injection cavity on the upper mold. In order to automatically remove the excess plastic remaining on the upper mold 2, a lifting part, a driving part and a cutting part are installed on the carrier table 1. The lifting part is used to drive the upper mold 2 to rise or The driving part is used to drive the cutting part to automatically cut off the excess plastic on the upper mold 2, and the cutting part can cut off the excess plastic on the upper mold 2.

As shown in Figure 1, the lifting part includes: blocks 6 respectively installed on the side walls of the upper mold 2, a riser 10 is installed on the bearing platform 1, and an accommodating cavity 101 is installed on the riser 10. A screw mandrel 11 is arranged in the cavity 101, and at the same time, the screw mandrel 11 vertically penetrates the block 6, and a motor 12 is installed on the bearing table 1, wherein the output shaft of the motor 12 is connected with one end of the screw mandrel 11, and the screw mandrel 11 The other end of the vertical plate 10 is rotatably connected with the top end surface of the vertical plate 10, and the mode of the rotary connection is to be installed on the top surface of the vertical plate 10 to turn a block, and the turn block is provided with a threaded hole matched with the threaded rod.

As shown in Figure 1, the excised part includes: two slide rails 7 detachably installed on the bearing platform 1, both slide rails 7 are parallel to the length direction of the upper mold 2 and the lower mold 3, and are respectively located on the upper mold 2 and the left and right sides of the lower mold 3, slide plates 8 are slidingly connected on the two slide rails 7, and a rotating plate 9 is hinged on the two sliding plates 8. The installation direction of the rotating plate 9 is consistent with the sliding plate 8, and the rotating plate 9 It can rotate on the vertical surface above the slide plate 8, and a reinforcing rod 17 is detachably installed between the rotating plate 9 and the sliding plate 8. The reinforcing rod 17 is perpendicular to the sliding plate 8. Plate 9 and slide plate 8.

As shown in Figure 1, a cutter 91 is installed on the end of the rotating plate 9 away from the limit rod. The cutter 91 is used to cut off the excess plastic on the bottom surface of the upper mold 2. In order that the cutter 91 can accurately cut to the plastic, the upper The bottom end surface of the mold 2 is extended with a guide plate 4, and the set guide plate 4 can play a guiding role, so that the cutter 91 can accurately cut off excess plastic. In addition, the cutter 91 is inclined. When moving up, it is very convenient to automatically remove the excess plastic remaining on the bottom end surface of the upper mold 2, and then the end of the plastic product in the upper mold 2 has no obvious convex part, further improving the quality of the plastic product.

As shown in Figure 1, a collection frame for collecting plastic waste after removal is detachably installed on the rotating plate 9. In this embodiment, the detachable method is that the hook installed on the rotating plate 9 is The receiving frame 92 is equipped with a block 6 matching with the hook, wherein the block 6 can be snapped into the hook, for this purpose, the receiving frame 92 can be clamped on the rotating plate 9, in addition, the receiving frame 92 is installed directly below the position of cutter 91. In this way, receiving frame 92 can easily collect the redundant plastics cut off by cutter 91, reducing the situation that redundant plastics are scattered to other places.

As shown in FIG. 1 , the driving part includes: bumps respectively installed on the two slide plates 8 , and a cylinder 13 through which the piston rod runs horizontally through the bumps.

The implementation principle is: when it is necessary to remove the excess plastic remaining on the upper mold 2, start the motor 12 first, and the motor 12 drives the screw 11 to drive the block 6 up, and then the block 6 drives the upper mold 2 to rise to a predetermined position , stop the motor 12, at this time, turn the rotary plate 9, so that the cutter 91 on the rotary plate 9 abuts against the bottom end surface of the guide plate 4 of the upper mold 2, and at the same time, install the reinforcing rod 17 vertically on the slide plate 8 Between the rotary plate 9, start the cylinder 13 again, and the cylinder 13 drives the bump to drive the slide plate 8 to move, and then the slide plate 8 drives the rotary plate 9 to drive the cutter 91 to move. At this time, the cutter 91 will automatically cut the upper mold 2 horizontally. In this way, the excess plastic remaining on the upper mold 2 can be automatically removed, further improving work efficiency.

Embodiment 2: As shown in Fig. 2 and Fig. 3, the difference from Embodiment 1 lies in the difference of the drive part. In this embodiment, the drive part includes: a rack arranged on the slide plate 8 along the extending direction of the slide plate 8 14 , the gear 15 installed on the carrying platform 1 and meshed with the rack 14 , and the servo motor 16 motor 12 installed on the carrying platform 1 for driving the gear 15 to rotate.

When it is necessary to drive the cutter 91 to remove the excess plastic remaining on the upper mold 2, the servo motor 16 motor 12 is started, the gear 15 is driven by the servo motor 16 motor 12 to rotate, and the rack 14 is driven by the gear 15 to drive the slide plate 8 to move. Therefore, the sliding plate 8 can drive the cutter 91 on the rotating plate 9 to cut the excess plastic on the upper mold 2 .

The embodiments of this specific embodiment are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model accordingly: all equivalent changes made according to the structure, shape and principle of the present utility model are all valid. Should be covered within the protection scope of the present utility model.

Claims (8)

1. a kind of device for excising of the automatic outer rim charge of excision mould, including the upper mold (2) and lower mold being placed on plummer (1) (3), it is characterised in that: further include that directing plate (4) on upper mold (2) is set, the installation direction of the directing plate (4) with it is upper The extending direction of mold (2) bottom face is consistent；

The holding tank being provided on upper mold (2) side wall；

The fixture block (6) being removably mounted in holding tank；

Lifting assembly for driving fixture block (6) to go up and down is set on plummer (1)；

It is arranged in parallel on plummer (1) and is located at the sliding rail (7) of upper mold two sides；

Slide the slide plate (8) being connected on sliding rail (7)；

Cutter (91) are arranged far from the end of slide plate (8) in the rotating plate (9) being hinged on slide plate (8), the rotating plate (9)；

Rewinding frame (92) for collecting the plastic waste materials fallen after cutting is set on rotating plate (9), the rewinding frame (92) Installation direction is consistent with the glide direction of slide plate (8)；

And the driving assembly for driving slide plate (8) mobile is set on plummer (1).

2. a kind of device for excising of automatic outer rim charge of excision mould according to claim 1, which is characterized in that the lifting group Part includes the riser (10) being mounted on plummer (1), offers accommodating cavity (101) on the riser (10)；Setting is being held It receives in cavity (101) and vertically through the screw rod (11) of fixture block (6), the top of the screw rod (11) and the top end face of riser (10) Rotation connection；And the motor (12) for driving screw rod (11) to rotate is set on plummer (1).

3. a kind of device for excising of automatic outer rim charge of excision mould according to claim 1, which is characterized in that the driving group Part includes being mounted on the cylinder (13) that plummer (1) upper piston rod is connected with slide plate (8).

4. a kind of device for excising of automatic outer rim charge of excision mould according to claim 1, which is characterized in that the driving group Part includes that the rack gear (14) consistent along sliding rail (7) extending direction is provided on slide plate (8) lateral wall；It is mounted on plummer (1) gear (15) to match on rack gear (14)；And it is mounted on plummer (1) for driving watching for gear (15) rotation Take motor (16) motor (12).

5. a kind of device for excising of automatic outer rim charge of excision mould according to claim 1, which is characterized in that the cutter (91) it is inclined to set.

6. a kind of device for excising of automatic outer rim charge of excision mould according to claim 1, which is characterized in that the cutter (91) it is located at the surface of rewinding frame (92), the rewinding frame (92) is arranged close on the rotating plate (9) of cutter (91) position.

7. a kind of device for excising of automatic outer rim charge of excision mould according to claim 1, which is characterized in that one end is connected to On the slide plate (8), the other end be connected to the reinforcing bar (17) on rotating plate (9), the reinforcing bar (17) is mutually hung down with slide plate (8) Directly, the reinforcing bar (17) is removably mounted between slide plate (8) and rotating plate (9).

8. a kind of device for excising of automatic outer rim charge of excision mould according to claim 1, which is characterized in that the rewinding frame (92) it is removably mounted on rotating plate (9).