Deflashing device of blow molding machine

Abstract

The utility model discloses a deflashing device of a blow molding machine, which belongs to the technical field of blow molding machines and comprises a male die, a female die is arranged on one side of the male die, second mounting racks are fixedly connected to opposite sides of the male die and the female die, a first mounting rack is fixedly connected to one side, far away from the male die, of the female die, and a cutter groove is formed in the female die. A cutting groove is formed in the male die, top holes are formed in the male die and the female die, packaging grooves are formed in the male die and the female die, a cutting mechanism used for removing flash is arranged in the cutter groove, an ejection mechanism is arranged in the top holes, and a packaging mechanism is arranged in the packaging grooves. Through cooperative use of all the devices, the movable end of the first air cylinder can push the blade to move through the sliding plate, after a product is formed, the blade can make contact with the product and cut off flashes of the product, when a mold is opened, the product and the flashes can be automatically separated, and the workload of workers is relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to blow molding machine technical field, specifically a kind of flash removing device of blow molding machine. BACKGROUND

[0002] Blow molding machine is a kind of plastic processing machine, mainly used for producing hollow plastic products, such as bottle, barrel, jar etc., the working principle of blow molding machine is that tubular plastic parison obtained by extrusion or injection molding is placed in split mold while hot (or heated to softening state), compressed air is introduced into the parison immediately after the mold is closed, so that the plastic parison is blown and tightly attached to the inner wall of the mold, and the corresponding product is obtained after cooling and demolding, which has the advantages of high production efficiency, simple operation, etc.

[0003] In the prior art, when the blow molding machine is opened, the formed product often has a thick flash, which affects the appearance of the product. In order to improve the appearance of the product, the staff usually needs to manually remove the flash, which is a tedious process and increases the workload of the staff.

[0004] Therefore, the utility model provides a kind of flash removing device of blow molding machine to solve the above problems. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] The utility model provides a kind of flash removing device of blow molding machine, aims at solving the problem proposed in the background art.

[0007] (II) Technical scheme

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a kind of flash removing device of blow molding machine, including male die, the side of male die is provided with female die, the side opposite to female die of male die is fixedly connected with second mounting bracket, the side away from male die of female die is fixedly connected with first mounting bracket, the inside of female die is provided with knife groove, the inside of male die is provided with cutting groove, the inside of male die and female die is provided with top hole, the inside of male die and female die is provided with envelope groove, the inside of knife groove is provided with cutting mechanism for removing flash, the inside of top hole is provided with ejection mechanism, the inside of envelope groove is provided with envelope mechanism.

[0009] Cutting mechanism includes blade, blade is slidably connected in the inside of knife groove, one end of blade is fixedly connected with sliding plate, both ends of sliding plate are fixedly connected with sliding block, the side away from blade of sliding plate is fixedly connected with first air cylinder, the fixed end of first air cylinder is fixedly connected on first mounting bracket, sliding groove is formed in first mounting bracket, sliding block is inserted in the inside of sliding groove.

[0010] As a preferred technical scheme of the present application, the side of the slide plate close to the blade is fixedly connected with a first spring, and the end of the first spring away from the slide plate is fixedly connected to the side of the concave die away from the convex die.

[0011] As a preferred technical scheme of the present application, the ejector mechanism comprises a ejector pin, the ejector pin is slidingly connected to the inside of the top hole, one end of the ejector pin is fixedly connected with a push plate, the side of the push plate away from the ejector pin is fixedly connected with a second cylinder, the fixed end of the second cylinder is fixedly connected to the second mounting frame, and the side surface of the ejector pin is sleeved with a second spring.

[0012] As a preferred technical scheme of the present application, the sealing mechanism comprises a third cylinder, the side surface of the third cylinder is fixedly connected to the second mounting frame through a support, the movable end of the third cylinder is fixedly connected with a sealing plate, and the side surface of the sealing plate is slidingly attached to the inner wall of the sealing groove.

[0013] As a preferred technical scheme of the present application, the inner wall of the sealing groove is fixedly connected with a limiting block, and the side of the sealing plate close to the third cylinder is fixedly connected with a slide rod, and the slide rod penetrates through the limiting block.

[0014] As a preferred technical scheme of the present application, the two sides of the convex die are symmetrically connected with positioning blocks, and the two sides of the concave die are symmetrically connected with the same positioning blocks as those on the convex die.

[0015] (Three) beneficial effects

[0016] The utility model discloses simple structure, convenient to use, through the setting of blade, slide plate, first cylinder and first spring, make the movable end of first cylinder can push the blade to remove through slide plate, after product forming, the blade can be in contact with product and cut off the flash of product, when the mold opens, product and flash can be separated automatically, reduce the work load of staff. ACCURACY OF DRAWINGS

[0017] Figure 1 It is a kind of structure schematic view of the device of blowing machine's flash removal;

[0018] Figure 2 It is the installation schematic view of blade in a kind of device of blowing machine's flash removal;

[0019] Figure 3 It is the installation schematic view of ejector pin in a kind of device of blowing machine's flash removal;

[0020] Figure 4 It is the sectional view of concave die in a kind of device of blowing machine's flash removal;

[0021] Figure 5 It is the sectional view of convex die in a kind of device of blowing machine's flash removal.

[0022] In the drawing:

[0023] 1 punch; 2, die; 3, first mounting bracket; 4, blade; 5, sliding plate; 6, sliding block; 7, sliding groove; 8, knife groove; 9, first cylinder; 10, first spring; 11, second mounting bracket; 12, top hole; 13, ejector pin; 14, push plate; 15, second cylinder; 16, second spring; 17, encapsulation groove; 18, encapsulation plate; 19, third cylinder; 20, limit block; 21, slide rod; 22, cutting groove; 23, positioning block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] The utility model provides a kind of flash removing device of blow molding machine, as shown in Figure 1 、 Figure 2 And Figure 3 It includes punch 1, one side of punch 1 is provided with die 2, the side of punch 1 opposite to die 2 is fixedly connected with second mounting bracket 11, the side of die 2 away from punch 1 is fixedly connected with first mounting bracket 3, the inside of die 2 is provided with knife groove 8, the inside of punch 1 is provided with cutting groove 22, the inside of punch 1 and die 2 is provided with top hole 12, the inside of punch 1 and die 2 is provided with encapsulation groove 17, the inside of knife groove 8 is provided with cutting mechanism for removing flash, the inside of top hole 12 is provided with ejector mechanism, the inside of encapsulation groove 17 is provided with encapsulation mechanism.

[0026] Cutting mechanism includes blade 4, blade 4 is slidably connected in the inside of knife groove 8, one end of blade 4 is fixedly connected with sliding plate 5, the both ends of sliding plate 5 are fixedly connected with sliding block 6, the side of sliding plate 5 away from blade 4 is fixedly connected with first cylinder 9, the fixed end of first cylinder 9 is fixedly connected on first mounting bracket 3, sliding groove 7 is formed in first mounting bracket 3, sliding block 6 is inserted in the inside of sliding groove 7.

[0027] The side of sliding plate 5 close to blade 4 is fixedly connected with first spring 10, one end of first spring 10 away from sliding plate 5 is fixedly connected on the side of die 2 away from punch 1.

[0028] The trimming device needs to let the blank come between the male die 1 and the female die 2 during use, and then blow molding is performed, the blade 4 inside the knife groove 8 on the female die 2 is used to cut the flash of the product after molding, the cutting groove 22 on the male die 1 is aligned with the knife groove 8 after the mold is closed, the cutting groove 22 is provided to provide space for the movement of the blade 4 when cutting the flash, after the product is molded, the first cylinder 9 is started, the movable end of the first cylinder 9 can push the slide plate 5 to move the blade 4, so that the blade 4 is inserted into the cutting groove 22 on the male die 1, in a process, the blade 4 can contact the product and cut off the flash of the product, when the mold is opened, the product and the flash can be automatically separated.

[0029] The movement of the blade 4 when cutting the flash needs to be realized by the movable end of the first cylinder 9 pushing the slide plate 5, when the slide plate 5 moves, the sliding blocks 6 at both ends of the slide plate 5 also move inside the sliding grooves 7, thereby providing guarantee for the stable movement of the blade 4 when cutting, in addition, the slide plate 5 can compress the first spring 10 when moving, the first spring 10 is provided to provide a certain buffering effect, which helps to improve the service life of the device.

[0030] Further, in order to make the ejector pin 13 be able to top down the product after molding from the device, as shown in Figure 2 , Figure 3 and Figure 4 , the ejection mechanism includes the ejector pin 13, the ejector pin 13 is slidingly connected inside the top hole 12, one end of the ejector pin 13 is fixedly connected with the push plate 14, the side of the push plate 14 away from the ejector pin 13 is fixedly connected with the second cylinder 15, the fixed end of the second cylinder 15 is fixedly connected on the second mounting frame 11, and the side surface of the ejector pin 13 is sleeved with the second spring 16.

[0031] The male die 1 and the female die 2 are both provided with the ejection mechanism, when the device is opened, the product after molding will be attached to the male die 1 or the female die 2, at this time, the second cylinder 15 is started, the movable end of the second cylinder 15 can push the ejector pin 13 to move through the push plate 14, so that the ejector pin 13 can top down the product, thereby facilitating the staff to collect the product, the push plate 14 can compress the second spring 16 when pushing the ejector pin 13 to move, the second spring 16 is provided to provide a certain buffering effect, which helps to improve the service life of the device.

[0032] Among them, in order to make the sealing plate 18 be able to seal the bottom end of the blank, as shown in Figure 2 , Figure 3 and Figure 5 , the sealing mechanism includes the third cylinder 19, the side surface of the third cylinder 19 is fixedly connected on the second mounting frame 11 through the support, the movable end of the third cylinder 19 is fixedly connected with the sealing plate 18, and the side surface of the sealing plate 18 is slidingly attached to the inner wall of the sealing groove 17.

[0033] The convex die 1 and the concave die 2 are provided with the encapsulation mechanisms, after the blank comes between the convex die 1 and the concave die 2, the two third cylinders 19 need to be controlled at the same time, so that the movable end of the third cylinder 19 pushes the encapsulation plate 18 to move to the blank, at this time, the two encapsulation plates 18 can move to the blank at the same time, and the bottom end of the blank is clamped, so as to realize the encapsulation of the bottom end of the blank, after the blank is encapsulated, the phenomenon of uneven wall thickness of the product can be reduced, thereby helping to improve the overall quality of the product.

[0034] It should be noted that, in order to improve the stability of the encapsulation plate 18 when moving, as shown in Figure 2 、 Figure 3 and Figure 5 , the inner wall of the encapsulation groove 17 is fixedly connected with a limiting block 20, and the side close to the third cylinder 19 of the encapsulation plate 18 is fixedly connected with a sliding rod 21, and the sliding rod 21 penetrates through the limiting block 20.

[0035] When the encapsulation plate 18 moves to encapsulate the bottom end of the blank, the sliding rod 21 connected with the encapsulation plate 18 can slide on the limiting block 20, and the arrangement of the sliding rod 21 and the limiting block 20 can provide stable guarantee for the movement of the encapsulation plate 18, so that the encapsulation plate 18 can still accurately return to the encapsulation groove 17 after moving out of the encapsulation groove 17.

[0036] Further, in order to improve the production quality of the product, as shown in Figure 1 、 Figure 2 and Figure 3 , the two sides of the convex die 1 are symmetrically connected with positioning blocks 23, and the two sides of the concave die 2 are symmetrically connected with the same positioning blocks 23 as those on the convex die 1.

[0037] The convex die 1 and the concave die 2 are provided with the positioning blocks 23, the staff can install the device on the blow molding machine through the positioning blocks 23, and the positioning blocks 23 can also play a certain positioning effect when the device is closed, and the staff can judge whether the convex die 1 and the concave die 2 are accurately aligned through the positioning blocks 23, thereby providing guarantee for the production quality of the product.

[0038] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A deflashing device for a blow molding machine, comprising a punch (1), characterized in that: A die (2) is provided on one side of the punch (1). A second mounting bracket (11) is fixedly connected to the opposite side of the punch (1) and the die (2). A first mounting bracket (3) is fixedly connected to the side of the die (2) away from the punch (1). A cutting groove (8) is provided inside the die (2). A cutting groove (22) is provided inside the punch (1). A top hole (12) is provided inside the punch (1) and the die (2). A sealing groove (17) is provided inside the punch (1) and the die (2). A cutting mechanism for removing flash is provided inside the cutting groove (8). An ejection mechanism is provided inside the top hole (12). A sealing mechanism is provided inside the sealing groove (17). The cutting mechanism includes a blade (4), which is slidably connected inside the blade groove (8). One end of the blade (4) is fixedly connected to a slide plate (5), and both ends of the slide plate (5) are fixedly connected to sliders (6). A first cylinder (9) is fixedly connected to the side of the slide plate (5) away from the blade (4). The fixed end of the first cylinder (9) is fixedly connected to a first mounting bracket (3). A sliding groove (7) is provided on the first mounting bracket (3), and the slider (6) is inserted into the sliding groove (7).

2. The deflash removal device for a blow molding machine according to claim 1, characterized in that: A first spring (10) is fixedly connected to the side of the slide plate (5) near the blade (4), and the end of the first spring (10) away from the slide plate (5) is fixedly connected to the side of the die (2) away from the punch (1).

3. The deflash removal device for a blow molding machine according to claim 1, characterized in that: The ejection mechanism includes an ejector pin (13), which is slidably connected inside the top hole (12). One end of the ejector pin (13) is fixedly connected to a push plate (14). A second cylinder (15) is fixedly connected to the side of the push plate (14) away from the ejector pin (13). The fixed end of the second cylinder (15) is fixedly connected to a second mounting bracket (11). A second spring (16) is sleeved on the side surface of the ejector pin (13).

4. The deflash removal device for a blow molding machine according to claim 1, characterized in that: The encapsulation mechanism includes a third cylinder (19), the side surface of which is fixedly connected to the second mounting bracket (11) by a bracket, and the movable end of the third cylinder (19) is fixedly connected to an encapsulation plate (18), the side surface of which slides against the inner wall of the encapsulation groove (17).

5. The deflash removal device for a blow molding machine according to claim 4, characterized in that: The inner wall of the sealing groove (17) is fixedly connected to a limiting block (20), and a sliding rod (21) is fixedly connected to the side of the sealing plate (18) near the third cylinder (19), and the sliding rod (21) passes through the limiting block (20).

6. The deflash removal device for a blow molding machine according to claim 1, characterized in that: The punch (1) is symmetrically connected to two sides with positioning blocks (23), and the die (2) is symmetrically connected to two sides with the same positioning blocks (23) as the punch (1).

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