A quick shearing device for nozzle of injection molding machine

Abstract

The utility model discloses a quick shearing device for a sprue of an injection molding machine, comprising an injection molding machine body, a material taking mechanical arm and a sprue cutting device, wherein the material taking mechanical arm and the sprue cutting device are respectively arranged at the side ends of the injection molding machine body, and the material taking mechanical arm is used to take out the injection molded product of the mold in the injection molding machine body and transfer it to the sprue cutting device, and the sprue cutting device comprises a machine base, a bearing plate, a lifting mechanism, a lifting plate, a first pressing plate, a second pressing plate, a first material receiving box and a second material receiving box. When the lifting mechanism of the utility model descends, the lifting plate can drive the first pressing plate and the second pressing plate to punch the first blanking port and the second blanking port respectively, so that the first component and the second component on the injection molding product are punched and detached from the sprue and fall off, thereby realizing the classified blanking and punching of components of different shapes in the injection molding product, eliminating the tedious operation of manual subsequent re-sorting and classification, saving time and labor.

Description

Technical Field

[0001] The utility model relates to the field of nozzle shearing devices, in particular to a nozzle quick shearing device for an injection molding machine. Background Art

[0002] With the rapid development of the plastic industry and the continuous improvement of plastic performance, plastic parts have been more widely used. After the plastic product is ejected from the mold, there is a sprue left at the injection port, which needs to be cut off before the plastic product is used.

[0003] In the prior art, most plastic products still need to be manually cut off the sprue, which is not only inefficient but also has certain safety hazards. The method of using stamping to remove the sprue of plastic products has the advantages of high efficiency, not easy to damage the product and high safety. Therefore, it is also the most commonly used method for cutting the sprue. However, when the injection molded product in the mold has a plurality of injection molded parts of different shapes, the sprue is removed by stamping, which will cause the plurality of injection molded parts of different shapes to fall into the receiving box below at the same time and cause mixing. Subsequently, the injection molded parts of different shapes need to be manually sorted and classified, which is very troublesome.

[0004] Therefore, the prior art has defects and needs to be improved. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a quick nozzle shearing device for an injection molding machine which can improve production efficiency and classify and discharge different injection molding parts in injection molding products.

[0006] To achieve this purpose, the utility model adopts the following technical scheme: a quick shearing device for a nozzle of an injection molding machine, comprising an injection molding machine body, a material taking mechanical arm and a nozzle cutting device, wherein the material taking mechanical arm and the nozzle cutting device are respectively arranged at the side ends of the injection molding machine body, and the material taking mechanical arm is used to take out the injection molded product in the mold in the injection molding machine body and transfer it to the nozzle cutting device;

[0007] The nozzle cutting device includes a machine base, a bearing plate, a lifting mechanism, a lifting plate, a first pressing plate, a second pressing plate, a first material receiving box and a second material receiving box; the bearing plate is arranged on the machine base, the bearing plate is used to place the injection molded product to be cut the nozzle, and two first blanking ports and two second blanking ports are arranged on the bearing plate, and the first blanking port is located on both sides of the second blanking port;

[0008] The lifting mechanism is disposed above the carrying plate, and the lifting mechanism is connected to the lifting plate, the first pressing plate and the second pressing plate are disposed at the bottom of the lifting plate, and the first pressing plate is located above the first blanking opening, and the second pressing plate is located above the second blanking opening;

[0009] The first pressing plate is used to cut off the sprue of the first component of the injection molded product, and the second pressing plate is used to cut off the sprue of the second component of the injection molded product. The first material receiving box is located below the supporting plate to receive the first component dropped from the first blanking port, and the second material receiving box is provided between the supporting plate and the first material receiving box to receive the second component dropped from the second blanking port.

[0010] According to the technical solution, in the nozzle quick shearing device for the injection molding machine, the lifting mechanism includes a support frame, a lifting cylinder, a connecting plate and a sliding rod;

[0011] The support frame is arranged on the machine base, the lifting cylinder is arranged on the support frame, and the movable end of the lifting cylinder is arranged downward and connected to the lifting plate through the connecting plate, and the lifting cylinder is used to drive the lifting plate to move up and down;

[0012] The slide bar is vertically arranged on the support frame at both sides of the lifting cylinder, linear bearings are arranged on both sides of the lifting plate, the slide bar passes through the linear bearings, and the lifting plate can move along the length direction of the slide bar.

[0013] By adopting the above-mentioned technical solutions, in the nozzle quick shearing device for the injection molding machine, positioning holes are respectively provided at the four corners of the support plate, and positioning rods corresponding to the positions of the positioning holes are provided at the bottom of the lifting plate.

[0014] By adopting the above-mentioned technical solutions, in the water inlet quick shearing device for the injection molding machine, the side end of the first material receiving box is provided with a first material guide groove inclined downward;

[0015] A second material guiding trough inclined downward is provided at a side end of the second material receiving box.

[0016] By adopting the above-mentioned technical solutions, in the water inlet quick shearing device for an injection molding machine, the first material guide trough and the second material guide trough are arranged in parallel, and the length of the second material guide trough is greater than the length of the first material guide trough.

[0017] By adopting the above-mentioned technical solutions, in the water inlet quick shearing device for an injection molding machine, the widths of the first material guide trough and the second material guide trough gradually narrow along the conveying direction.

[0018] By adopting the above-mentioned technical solutions, in the nozzle quick shearing device for the injection molding machine, the first blanking port and the second blanking port are both in the shape of a rectangle;

[0019] The two first blanking openings are longitudinally arranged at two sides of the bearing plate, and the two second blanking openings are transversely arranged at the middle of the bearing plate.

[0020] By adopting the above-mentioned technical solutions, in the water inlet quick shearing device for an injection molding machine, the bottoms of the first pressing plate and the second pressing plate are both provided with silicone pads.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] After the injection molded product in the mold in the injection molding machine body of the utility model is formed, the material taking mechanical arm can take the injection molded product out of the mold and transfer it to the nozzle cutting device. When the lifting mechanism in the nozzle cutting device descends, it can drive the first pressing plate and the second pressing plate to punch the first blanking port and the second blanking port respectively through the lifting plate, so that the first component and the second component on the injection molded product are punched and fall off from the nozzle, and the first component can fall into the first material receiving box through the first blanking port, and the second component can fall into the second material receiving box through the second blanking port, so as to realize the classified blanking and punching of components of different shapes in the injection molded product, eliminating the tedious operation of manual subsequent sorting and classification, saving time and labor; a silicone pad is provided at the bottom of the first pressing plate and the second pressing plate, and the setting of the silicone pad can prevent the first pressing plate and the second pressing plate from damaging the injection molded product during the stamping process, and the silicone pad has a high friction force, which can prevent the first pressing plate and the second pressing plate from sliding during the stamping process, thereby improving the stability of the stamping process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention.

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the nozzle cutting device of the utility model;

[0027] Figure 3 This is a schematic diagram of the lifting mechanism structure of the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the first pressing plate and the second pressing plate of the utility model;

[0029] Figure 5 It is a schematic diagram of the structure of the first material guide trough and the second material guide trough of the utility model;

[0030] Figure 6 It is a schematic diagram of the installation structure between the load-bearing plate and the injection molded product of the utility model. DETAILED DESCRIPTION

[0031] In order to make the utility model's purpose, features, and advantages more obvious and easy to understand, the following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the embodiments described below are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally arranged component at the same time.

[0033] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0034] like Figures 1 to 6As shown, an embodiment of the utility model provides a quick shearing device for a sprue of an injection molding machine, comprising an injection molding machine body 1, a material taking robot arm 2 and a sprue cutting device 3, wherein the material taking robot arm 2 and the sprue cutting device 3 are respectively arranged at the side ends of the injection molding machine body 1; the injection molding machine body 1 can heat the molten plastic and inject it into the molding cavity in the mold through a nozzle, and form an injection molded product 4 after cooling. In this embodiment, the molded injection molded product 4 has a first component 41 and a second component 42 of different shapes; when the injection molded product 4 in the mold in the injection molding machine body 1 is formed, the material taking robot arm 2 can take the injection molded product 4 out of the mold and transfer it to the sprue cutting device 3.

[0035] The water outlet cutting device 3 includes a machine base 31, a carrying plate 32, a lifting mechanism 33, a lifting plate 34, a first pressing plate 35, a second pressing plate 36, a first material receiving box 37 and a second material receiving box 38; the carrying plate 32 is arranged on the machine base 31, and the carrying plate 32 is used to place the injection molded product 4 to be cut the water outlet, and the carrying plate 32 is provided with two first blanking ports 321 and two second blanking ports 322, and the first blanking ports 321 are located on both sides of the second blanking ports 322; the material picking robot arm 2 can transfer the injection molded product 4 to the carrying plate 32. In this embodiment, the first component 41 of the injection molded product 4 is located on the first blanking port 321, and the second component 42 of the injection molded product 4 is located on the second blanking port 322.

[0036] like Figures 2 to 4 As shown, the lifting mechanism 33 is arranged above the supporting plate 32, and the lifting mechanism 33 is connected to the lifting plate 34, the first pressing plate 35 and the second pressing plate 36 are arranged at the bottom of the lifting plate 34, and the first pressing plate 35 is located above the first blanking port 321, and the second pressing plate 36 is located above the second blanking port 322, the first pressing plate 35 is used to cut off the sprue of the first component 41 of the injection molded product 4, and the second pressing plate 36 is used to cut off the sprue of the second component 42 of the injection molded product 4, the first material receiving box 37 is located below the supporting plate 32, so as to receive the first component 41 dropped from the first blanking port 321, and the second material receiving box 38 is arranged between the supporting plate 32 and the first material receiving box 37, so as to receive the second component 42 dropped from the second blanking port 322. When the lifting mechanism 33 descends, the lifting plate 34 can drive the first pressing plate 35 and the second pressing plate 36 to be pressed onto the first blanking port 321 and the second blanking port 322 respectively, so that the first component 41 and the second component 42 on the injection molded product 4 are pressed and detached from the water outlet and fall off. The first component 41 can fall into the first receiving box 37 through the first blanking port 321, and the second component 42 can fall into the second receiving box 38 through the second blanking port 322.

[0037] Furthermore, the lifting mechanism 33 includes a support frame 331, a lifting cylinder 332, a connecting plate 333 and a sliding rod 334. The support frame 331 is arranged on the machine base 31. The lifting cylinder 332 is arranged on the support frame 331, and the movable end of the lifting cylinder 332 is arranged downward and connected to the lifting plate 34 through the connecting plate 333. The lifting cylinder 332 is used to drive the lifting plate 34 to move up and down. The sliding rod 334 is vertically arranged on the support frame 331 on both sides of the lifting cylinder 332. Linear bearings are arranged on both sides of the lifting plate 34. The sliding rod 334 runs through the linear bearings, and the lifting plate 34 can move along the length direction of the sliding rod 334. The arrangement of the linear bearings and the sliding rod 334 can improve the movement stability of the lifting plate 34.

[0038] like Figure 2 As shown, further, positioning holes 320 are respectively provided at the four corners of the bearing plate 32, and positioning rods 341 corresponding to the positions of the positioning holes 320 are provided at the bottom of the lifting plate 34. The arrangement of the positioning rods 341 and the positioning holes 320 can improve the stability during the gate stamping process and avoid the occurrence of deviation that affects the stamping accuracy.

[0039] like Figure 3 As shown, further, the side end of the first receiving box 37 is provided with a first material guide groove 371 inclined downward, and the side end of the second receiving box 38 is provided with a second material guide groove 381 inclined downward. The provision of the first material guide groove 371 and the second material guide groove 381 can facilitate the classification and collection of injection molded parts of different shapes in the first receiving box 37 and the second receiving box 38.

[0040] like Figure 3 and Figure 5 As shown, further, the first material guide trough 371 and the second material guide trough 381 are arranged in parallel, and the length of the second material guide trough 381 is greater than the length of the first material guide trough 371. Such an arrangement can facilitate the placement of material receiving barrels at the ends of the first material guide trough 371 and the second material guide trough 381 for classified recycling.

[0041] like Figure 5 As shown, further, the widths of the first material guide groove 371 and the second material guide groove 381 gradually narrow along the conveying direction. Such a configuration can guide the first component 41 and the second component 42 to move smoothly along the conveying direction to avoid deviation.

[0042] like Figure 4 and Figure 6As shown, further, the first blanking opening 321 and the second blanking opening 322 are both rectangular in shape, the two first blanking openings 321 are longitudinally arranged on both sides of the supporting plate 32, and the two second blanking openings 322 are transversely arranged in the middle of the supporting plate 32.

[0043] like Figure 4 As shown, further, the bottom of the first pressing plate 35 and the second pressing plate 36 are both provided with a silicone pad 30. The provision of the silicone pad 30 can prevent the first pressing plate 35 and the second pressing plate 36 from causing damage to the injection molded product 4 during the stamping process, and the silicone pad 30 has a high friction force, preventing the first pressing plate 35 and the second pressing plate 36 from sliding during the stamping process, thereby improving the stability of the stamping process.

[0044] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A quick shearing device for a nozzle of an injection molding machine, characterized in that: It includes an injection molding machine body, a material taking mechanical arm and a nozzle cutting device, wherein the material taking mechanical arm and the nozzle cutting device are respectively arranged at the side ends of the injection molding machine body, and the material taking mechanical arm is used to take out the injection molded product in the mold in the injection molding machine body and transfer it to the nozzle cutting device; The nozzle cutting device includes a machine base, a bearing plate, a lifting mechanism, a lifting plate, a first pressing plate, a second pressing plate, a first material receiving box and a second material receiving box; The bearing plate is arranged on the machine base, and the bearing plate is used to place the injection molded product to be sheared. Two first blanking ports and two second blanking ports are arranged on the bearing plate, and the first blanking ports are located on both sides of the second blanking ports; The lifting mechanism is disposed above the carrying plate, and the lifting mechanism is connected to the lifting plate, the first pressing plate and the second pressing plate are disposed at the bottom of the lifting plate, and the first pressing plate is located above the first blanking opening, and the second pressing plate is located above the second blanking opening; The first pressing plate is used to cut off the sprue of the first component of the injection molded product, and the second pressing plate is used to cut off the sprue of the second component of the injection molded product. The first material receiving box is located below the supporting plate to receive the first component dropped from the first blanking port, and the second material receiving box is provided between the supporting plate and the first material receiving box to receive the second component dropped from the second blanking port.

2. The nozzle quick shearing device for injection molding machine according to claim 1, characterized in that: The lifting mechanism includes a support frame, a lifting cylinder, a connecting plate and a sliding rod; The support frame is arranged on the machine base, the lifting cylinder is arranged on the support frame, and the movable end of the lifting cylinder is arranged downward and connected to the lifting plate through the connecting plate, and the lifting cylinder is used to drive the lifting plate to move up and down; The slide bar is vertically arranged on the support frame at both sides of the lifting cylinder, linear bearings are arranged on both sides of the lifting plate, the slide bar passes through the linear bearings, and the lifting plate can move along the length direction of the slide bar.

3. The nozzle quick shearing device for injection molding machine according to claim 2, characterized in that: Positioning holes are respectively arranged at the four corners of the carrying plate, and positioning rods corresponding to the positions of the positioning holes are arranged at the bottom of the lifting plate.

4. The nozzle quick shearing device for injection molding machine according to claim 1, characterized in that: A first material guide groove inclined downward is provided at a side end of the first material receiving box; A second material guiding trough inclined downward is provided at a side end of the second material receiving box.

5. The nozzle quick shearing device for injection molding machine according to claim 4, characterized in that: The first material guiding trough and the second material guiding trough are arranged in parallel, and the length of the second material guiding trough is greater than the length of the first material guiding trough.

6. The nozzle quick shearing device for injection molding machine according to claim 5, characterized in that: The widths of the first material guiding trough and the second material guiding trough gradually narrow along the conveying direction.

7. The nozzle quick shearing device for injection molding machine according to claim 1, characterized in that: The first blanking opening and the second blanking opening are both in the shape of a rectangle; The two first blanking openings are longitudinally arranged at two sides of the bearing plate, and the two second blanking openings are transversely arranged at the middle of the bearing plate.

8. The nozzle quick shearing device for injection molding machine according to claim 1, characterized in that: The bottoms of the first pressing plate and the second pressing plate are both provided with silicone pads.

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