Transparent plastic product mold opening mechanism

Abstract

The utility model discloses a transparent plastic product mould opening mechanism, which relates to the technical field of plastic product mould opening, and comprises a mould, one side of the mould is provided with an injection molding port, the other side of the mould is fixedly provided with a mould head through a bolt, and the mould head is provided with a circular hole communicated with the injection molding port; the mold is in a rectangular block shape and is fixed on the rack through a bolt, and a positioning rod is fixed on the mold through a bolt; according to the injection molding machine disclosed by the utility model, after a product is molded through injection molding of the round hole communicated with the injection molding opening and the mold head, as the mold cavities are slidably connected in the sliding chutes of the pushing plate through the sliding rails and move, a cavity formed by splicing the four mold cavities is in an open state, the product cannot be rubbed, the product quality is ensured, and the product is positioned on the mold head; the push rod of the push cylinder drives the push plate to move, so that the die cavity is separated from the die head, products are conveniently sucked by the suction head, and product quality is guaranteed.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of plastic product mold opening, in particular to a transparent plastic product mold opening mechanism. Background Art

[0002] In order to meet the requirements of product appearance, industrial design adds transparent decorative parts around the product to enhance the product's aesthetics. Due to the high requirements for transparent parts, there must not be any defects such as spots, pores, black spots and discoloration, which places high demands on injection molding and molds.

[0003] Chinese Utility Model Publication No. CN 205416195 U discloses a demoulding structure for a mold of a plastic transparent product. The mold includes an inner mold with a slider provided on the inner mold. The demoulding structure includes an ejector pin that passes through the inner mold. The ejector pin is provided below the slider, and a clearance is provided between the ejector pin and the slider.

[0004] The above-mentioned demolding structure for plastic transparent product molds ejects the product by passing an ejector pin through a clearance. However, the hardness of the ejector pin is much greater than that of the transparent product. The push of the ejector pin easily leaves a mark of the ejector pin on the bottom of the product. Due to the high requirements of transparent parts, the mold opening quality of transparent parts cannot be guaranteed. To this end, we provide a transparent plastic product mold opening mechanism. The push plate is connected to the mold cavity through a sliding rail, so that the four mold cavities can be opened, the product is exposed to the outside, and the transparent part is sucked by the suction head to avoid squeezing and collision of the product, thereby effectively improving the mold opening quality of the transparent part and compensating for the above-mentioned problem. Utility Model Content

[0005] The purpose of the utility model is to provide a mold opening mechanism for transparent plastic products to solve the problem proposed in the background art that the product is ejected by an ejector pin passing through a clearance. However, the hardness of the ejector pin is much greater than that of the transparent product. The push of the ejector pin easily leaves a mark of the ejector pin on the bottom of the product. Due to the high requirements of transparent products, the mold opening quality of transparent products cannot be guaranteed.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A transparent plastic product mold opening mechanism includes a mold, an injection port is provided on one side of the mold, a mold head is fixed to the other side of the mold by bolts, and a circular hole that passes through the injection port is opened on the mold head; the mold is in the shape of a rectangular block and is fixed to the frame by bolts, and a positioning rod is fixed to the mold by bolts; four positioning rods are provided and are evenly distributed on the mold, and the positioning rods are inserted into the positioning holes of the mounting plate and the push plate; the mounting plate is fixed to the frame by bolts, and a pushing cylinder is fixed to the mounting plate by bolts, and the push rod of the pushing cylinder is cooperatively connected with the push plate; a mold cavity is provided on the side of the push plate close to the mold head, and the mold cavity is provided with four, and the four mold cavities are respectively arranged in a circular array along the central axis of the mold head; the four mold cavities are spliced ​​into a cavity that is convenient for the insertion of the mold head, and each mold cavity is welded with a slide rail, which is slidably connected in the slideway of the push plate; an adsorption head is provided between the push plate and the mold.

[0008] As a further technical solution of the present invention, the mold cavity is cooperatively connected with a push rod of a spliced ​​cylinder, and the spliced ​​cylinder is fixed to the push plate by bolts.

[0009] As a further technical solution of the present invention, the adsorption head is connected to the negative pressure tube, and the other end of the negative pressure tube is connected to the negative pressure pump; the adsorption head is clamped in the ring on the pushing rack.

[0010] As a further technical solution of the present invention, the pushing rack is slidably connected in the slide groove of the pushing rack, and the pushing rack is cooperatively connected with the push rod of the pushing cylinder, and the pushing cylinder is fixed to the pushing rack by bolts.

[0011] As a further technical solution of the present invention, the ejection frame is connected to the push rod of the lifting cylinder, and the top of the lifting cylinder is fixed to the sliding plate by bolts; the sliding plate is slidably connected to the two guide rods, and the sliding plate is connected to the screw rod through a nut seat.

[0012] As a further technical solution of the present invention, the screw is cooperated and connected with a seat bearing installed on the hanger, and one end of the screw is cooperated and connected with the drive shaft of the motor, and the motor is fixed to the outside of the hanger by bolts; the guide rod is fixed to the inside of the hanger by welding.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. In this utility model, the push rod of the push cylinder pushes the push plate to move, so that the mold cavity on the push plate is matched and connected with the mold head. The positioning rod is inserted into the positioning holes of the mounting plate and the push plate to prevent deviation during the injection molding process. The injection molding machine injects through the circular hole that passes through the injection port and the mold head. After the product is formed, the mold cavity is slidably connected to the slide groove of the push plate through the slide rail. The mold cavity moves so that the cavity composed of four mold cavities is in an open state, which will not cause friction to the product and ensure product quality. The product is located on the mold head, and the push rod of the push cylinder drives the push plate to move, so that the mold cavity and the mold head are separated, which is convenient for the product to be sucked by the adsorption head and ensures product quality.

[0015] 2. In this utility model, the negative pressure pump is connected to the adsorption head through a negative pressure pipe. The adsorption head uses negative pressure suction, and the push cylinder pushes the push rack to move in the slide groove of the push rack, making it easy to adjust the position of the adsorption head to adsorb the transparent part and drive the transparent part out of the mold head;

[0016] 3. In the present utility model, the driving shaft of the motor drives the screw to rotate. When the sliding plate is slidably connected to the outside of the two guide rods and the sliding plate is connected to the screw through the nut seat, the screw rotates and the sliding plate moves along the screw, making it convenient to move the sucked transparent parts and place them on the next process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the utility model in use state.

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the present utility model.

[0019] Figure 3 This utility model Figure 2 Schematic diagram from another perspective.

[0020] Figure 4 This utility model Figure 3 A local enlarged schematic diagram of point A.

[0021] Figure 5 This utility model Figure 1 main view.

[0022] Figure 6 This utility model Figure 5 Cross-sectional view at BB.

[0023] In the figure: 1-mold, 2-positioning rod, 3-injection port, 4-mold head, 5-mounting plate, 6-pushing cylinder, 7-pushing plate, 8-slide rail, 9-mold cavity, 10-splicing cylinder, 11-adsorption head, 12-negative pressure tube, 13-pushing rack, 14-ejection rack, 15-pushing cylinder, 16-lifting cylinder, 17-sliding plate, 18-screw, 19-guide rod, 20-hanger, 21-motor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-6 In the embodiment of the present invention, a transparent plastic product mold opening mechanism includes a mold 1, an injection port 3 is provided on one side of the mold 1, a mold head 4 is fixed to the other side of the mold 1 by bolts, and a circular hole is opened on the mold head 4 that passes through the injection port 3; the mold 1 is in a rectangular block shape and is fixed to the frame by bolts, and a positioning rod 2 is fixed to the mold 1 by bolts; four positioning rods 2 are provided and are evenly distributed on the mold 1, and the positioning rods 2 are plugged into the positioning holes of the mounting plate 5 and the push plate 7; the mounting plate 5 is connected to the positioning hole It is fixed to the frame by bolts, and a pushing cylinder 6 is fixed to the mounting plate 5 by bolts, and the push rod of the pushing cylinder 6 is cooperated with the pushing plate 7; a mold cavity 9 is provided on the side of the pushing plate 7 close to the mold head 4, and the mold cavity 9 is provided with four, and the four mold cavities 9 are respectively arranged in a circular array along the central axis of the mold head 4; the four mold cavities 9 are spliced ​​into a cavity that is convenient for the insertion of the mold head 4, and each mold cavity 9 is welded with a slide rail 8, which is slidably connected in the slideway of the pushing plate 7; an adsorption head 11 is provided between the pushing plate 7 and the mold 1.

[0026] By adopting the above technical solution, the push rod of the pushing cylinder 6 pushes the pushing plate 7 to move, so that the mold cavity 9 on the pushing plate 7 is matched with the mold head 4, and the positioning rod 2 is inserted into the positioning holes of the mounting plate 5 and the pushing plate 7 to prevent displacement during the injection molding process. The injection molding machine injects through the circular hole passing through the injection port 3 and the mold head 4. After the product is formed, since the mold cavity 9 is slidably connected to the slide groove of the pushing plate 7 through the slide rail 8, the mold cavity 9 moves, so that the cavity composed of four mold cavities 9 is in an open state, which will not cause friction to the product and ensure product quality. The product is located on the mold head 4, and the push rod of the pushing cylinder 6 drives the pushing plate 7 to move, so that the mold cavity 9 is separated from the mold head 4, which is convenient for the product to be absorbed by the adsorption head 11 and ensure product quality.

[0027] In this embodiment, the mold cavity 9 is connected in cooperation with the push rod of the splicing cylinder 10, and the splicing cylinder 10 is fixed to the push plate 7 by bolts.

[0028] By adopting the above technical solution, the splicing cylinder 10 pushes the mold cavity 9 to move, providing power for the formation and opening of the cavity.

[0029] In this embodiment, the adsorption head 11 is connected to the negative pressure tube 12 , and the other end of the negative pressure tube 12 is connected to the negative pressure pump; the adsorption head 11 is clamped in the ring on the pushing rack 13 .

[0030] Furthermore, the pushing frame 13 is slidably connected in the slide groove of the pushing frame 14, and the pushing frame 13 is cooperatively connected with the push rod of the pushing cylinder 15, and the pushing cylinder 15 is fixed to the pushing frame 14 by bolts.

[0031] By adopting the above technical solution, the negative pressure pump is connected to the adsorption head 11 through the negative pressure tube 12. The adsorption head 11 is suctioned by negative pressure, and the pushing cylinder 15 pushes the pushing rack 13 to move in the slide groove of the pushing rack 14, so as to facilitate the adjustment of the position of the adsorption head 11 to adsorb the transparent part and drive the transparent part to separate from the mold head 4.

[0032] In this embodiment, the ejection frame 14 is connected to the push rod of the lifting cylinder 16, and the top of the lifting cylinder 16 is fixed to the sliding plate 17 by bolts; the sliding plate 17 is slidably connected to the two guide rods 19, and the sliding plate 17 is connected to the screw rod 18 through a nut seat.

[0033] By adopting the above technical solution, the push rod of the lifting cylinder 16 pushes the ejection rack 14 to move, which facilitates the movement of the adsorption head 11 on the ejection rack 14 and the pushing rack 13, thereby conveniently completing the picking action.

[0034] In this embodiment, the screw 18 is connected to the seat bearing installed on the hanger 20, and one end of the screw 18 is connected to the drive shaft of the motor 21, and the motor 21 is fixed to the outside of the hanger 20 by bolts; the guide rod 19 is fixed to the inside of the hanger 20 by welding.

[0035] By adopting the above technical solution, the driving shaft of the motor 21 drives the screw 18 to rotate. When the sliding plate 17 is slidably connected to the outside of the two guide rods 19 and the sliding plate 17 is connected to the screw 18 through the nut seat, the screw 18 rotates and the sliding plate 17 moves along the screw 18, making it convenient to move the sucked transparent parts and place them on the next process.

[0036] The working principle of the utility model is as follows: the spliced ​​cylinder 10 pushes the mold cavity 9 to move, providing power for the composition and opening of the cavity; the push rod of the push cylinder 6 pushes the push plate 7 to move, so that the mold cavity 9 on the push plate 7 is matched with the mold head 4, and the positioning rod 2 is inserted into the positioning holes of the mounting plate 5 and the push plate 7 to prevent deviation during the injection molding process. The injection molding machine injects through the circular hole passing through the injection port 3 and the mold head 4. After the product is formed, since the mold cavity 9 is slidably connected to the slide groove of the push plate 7 through the slide rail 8, the mold cavity 9 moves, so that the cavity composed of the four mold cavities 9 is in an open state, which will not cause friction to the product and ensure product quality. The product is located on the mold head 4, and the push rod of the push cylinder 6 drives the push plate 7 to move, so that the mold cavity 9 is separated from the mold head 4, which is convenient for the product to be adsorbed by the head 11 absorbs to ensure product quality; the negative pressure pump is connected to the adsorption head 11 through the negative pressure pipe 12, and the adsorption head 11 is sucked by negative pressure. The pushing cylinder 15 pushes the pushing rack 13 to move in the slide groove of the ejection rack 14, which is convenient for adjusting the position of the adsorption head 11 to adsorb the transparent part and drive the transparent part to separate from the mold head 4; the push rod of the lifting cylinder 16 pushes the ejection rack 14 to move, which is convenient for the adsorption head 11 on the ejection rack 14 and the pushing rack 13 to move, and it is convenient to complete the piece picking action; the driving shaft of the motor 21 drives the screw 18 to rotate, and under the action of the sliding plate 17 slidingly connected to the outside of the two guide rods 19 and the sliding plate 17 being connected to the screw 18 through the nut seat, the screw 18 rotates, and the sliding plate 17 will move along the screw 18, which is convenient for moving the absorbed transparent part and placing it on the next process.

[0037] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0038] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A transparent plastic product mold opening mechanism, characterized by: The invention comprises a mold (1), wherein one side of the mold (1) is provided with an injection port (3), and the other side of the mold (1) is fixed with a mold head (4) by bolts, and a circular hole that penetrates the injection port (3) is opened on the mold head (4); the mold (1) is in a rectangular block shape and is fixed to a frame by bolts, and a positioning rod (2) is fixed to the mold (1) by bolts; four positioning rods (2) are provided and are evenly distributed on the mold (1), and the positioning rods (2) are plugged into the positioning holes of the mounting plate (5) and the push plate (7); the mounting plate (5) is fixed to the frame by bolts, and the mounting plate ( 5) is fixed with a pushing cylinder (6) by bolts, and the push rod of the pushing cylinder (6) is connected with the pushing plate (7); a mold cavity (9) is provided on the side of the pushing plate (7) close to the mold head (4), and the mold cavity (9) is provided with four, and the four mold cavities (9) are respectively arranged in a circular array along the central axis of the mold head (4); the four mold cavities (9) are spliced ​​into a cavity that is convenient for the mold head (4) to be plugged in, and each mold cavity (9) is welded with a slide rail (8), and the slide rail (8) is slidably connected in the slideway of the pushing plate (7); an adsorption head (11) is provided between the pushing plate (7) and the mold (1).

2. A transparent plastic product mold opening mechanism according to claim 1, characterized in that: The mold cavity (9) is cooperatively connected with the push rod of the splicing cylinder (10), and the splicing cylinder (10) is fixed to the push plate (7) by bolts.

3. A transparent plastic product mold opening mechanism according to claim 2, characterized in that: The adsorption head (11) is connected to the negative pressure tube (12), and the other end of the negative pressure tube (12) is connected to the negative pressure pump; the adsorption head (11) is clamped in the ring on the pushing frame (13).

4. A transparent plastic product mold opening mechanism according to claim 3, characterized in that: The pushing frame (13) is slidably connected in the slide groove of the pushing frame (14), and the pushing frame (13) is cooperatively connected with the push rod of the pushing cylinder (15), and the pushing cylinder (15) is fixed to the pushing frame (14) by bolts.

5. A transparent plastic product mold opening mechanism according to claim 4, characterized in that: The ejection frame (14) is connected to the push rod of the lifting cylinder (16), and the top of the lifting cylinder (16) is fixed to the sliding plate (17) by bolts; the sliding plate (17) is slidably connected to the two guide rods (19), and the sliding plate (17) is connected to the screw rod (18) by a nut seat.

6. A transparent plastic product mold opening mechanism according to claim 5, characterized in that: The screw rod (18) is connected to a seat bearing mounted on the hanger (20), and one end of the screw rod (18) is connected to a drive shaft of a motor (21). The motor (21) is fixed to the outside of the hanger (20) by bolts; the guide rod (19) is fixed to the inside of the hanger (20) by welding.

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