Blanking assembly and injection molding machine

Abstract

The utility model discloses a blanking assembly and an injection molding machine, the blanking assembly comprises a first hopper, the first hopper is provided with a first blanking channel, and the first blanking channel is provided with a feed port and a first discharge port; the second hopper is provided with a second material falling channel, and the second material falling channel is provided with a second material outlet; the adjusting assembly is used for connecting the second hopper and the first hopper, the adjusting assembly comprises an adjusting plate, the adjusting plate is connected to one side of the second discharging port and detachably connected to the first hopper, and the side, away from the second discharging port, of the second hopper abuts against the bottom wall of the first discharging channel all the time. After the second hopper is connected with the first hopper, the products are output from the second discharging opening, the discharging height of the second discharging opening is larger than that of the first discharging opening, and then the discharging height of the products is increased.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of injection molding equipment, in particular to a material falling assembly and an injection molding machine. BACKGROUND

[0002] In an injection molding process, a product is molded and ejected from an injection mold and then output to a turnover box through a material falling hopper. A vertical height exists between an outlet of the material falling hopper and a bottom of the turnover box. Different models of injection molding machines, different specifications and sizes of products, and different factory layouts after installation of the equipment will change the vertical height. The greater the vertical height, the greater the impact of the product when falling from the material falling hopper to the turnover box, and the greater the hidden danger of damage to the product. Too small a vertical height can easily cause interference during the product falling process.

[0003] However, the material falling hoppers in different models of existing injection molding machines are usually fixed between the machine frames and cannot adjust the vertical height between the outlet and the ground. CONTENT OF THE UTILITY MODEL

[0004] In order to adjust the vertical height between the outlet and the ground, the first object of the application is to provide a material falling assembly.

[0005] The material falling assembly provided by the application adopts the following technical solution:

[0006] A material falling assembly comprises:

[0007] A first hopper having a first material falling channel, the first material falling channel having an inlet and a first outlet;

[0008] A second hopper having a second material falling channel, the second material falling channel having a second outlet; and

[0009] An adjusting assembly for connecting the second hopper and the first hopper, the adjusting assembly comprising an adjusting plate,

[0010] The side of the second hopper extends from the first outlet into the first material falling channel, the first material falling channel is connected to the second material falling channel, and the second outlet extends towards the side of the first outlet. The adjusting plate is connected to the side of the second outlet and can be detachably connected to the first hopper. The side of the second hopper away from the second outlet always abuts against the bottom wall of the first material falling channel.

[0011] By adopting the technical scheme, the second hopper is added so that the product can enter the second falling channel from the first falling channel after being demolded and finally be output from the second discharge port, the second discharge port is connected with the first hopper through the adjusting plate of the adjusting assembly on one side, the discharge height of the second discharge port is higher than that of the first discharge port, the discharge height of the second discharge port can be changed through the connection position of the adjusting plate and the first hopper, and the vertical height between the discharge position of the product and the turnover box is adjusted, thereby meeting the requirements of product discharge under different working conditions. At the same time, the side of the second hopper away from the second discharge port always abuts against the first falling channel, the stability of the product entering the second falling channel from the first falling channel is improved, and the connection strength is improved after abutting against, so that the product can be discharged more smoothly.

[0012] Preferably, the adjusting assembly further comprises:

[0013] a mounting plate connecting the first hopper and the adjusting plate; and

[0014] a fastener for connecting the mounting plate and the adjusting plate.

[0015] The one end of the adjusting plate is connected with the mounting plate through the fastener, the other end of the adjusting plate is connected with the second hopper, the adjusting plate is provided with a long hole, and the fastener can be arranged in the long hole.

[0016] By adopting the technical scheme, the sliding of the fastener in the long hole can realize the height adjustment of the second discharge port, the adjusting operation is convenient, and stepless adjustment can be realized in the length of the long hole.

[0017] Preferably, the adjusting assembly further comprises:

[0018] a mounting plate connecting the first hopper and the adjusting plate; and

[0019] a fastener for connecting the mounting plate and the adjusting plate.

[0020] The one end of the adjusting plate is connected with the mounting plate through the fastener, the other end of the adjusting plate is connected with the second hopper, the adjusting plate is provided with a long hole, and the fastener can be arranged in the long hole.

[0021] By adopting the technical scheme, the sliding of the fastener in the long hole can realize the height adjustment of the second discharge port, the adjusting operation is convenient, and stepless adjustment can be realized in the length of the long hole.

[0022] Preferably, the first hopper comprises:

[0023] a bottom plate;

[0024] two side plates connected to the two sides of the bottom plate; and

[0025] The limiting plate is connected to the two side plates.

[0026] The limiting plate extends outward from one side of the side plate, and the length of the limiting plate is greater than the transverse distance between the two side plates.

[0027] By adopting the above technical scheme, the extension of the limiting plate enables the extended excess part to abut against the rack when the first hopper is connected to the rack, thereby achieving installation limiting of the first hopper.

[0028] Preferably, the first hopper further comprises a connecting plate connected to the two side plates and located at the upper edge of the two side plates.

[0029] By adopting the above technical scheme, the connecting plate facilitates the connection of the first hopper to the rack.

[0030] Preferably, the first hopper further comprises a hem connected to one side of the bottom plate, and the hem has a groove.

[0031] By adopting the above technical scheme, the provision of the hem enables the first hopper to be buckled to the rack through the groove after installation, thereby better improving the installation stability of the first hopper.

[0032] Preferably, the second material falling channel comprises a first material falling section, a guide material falling section and a second material falling section connected in sequence, the guide material falling section connects the first material falling section and the second material falling section, and the second material outlet is arranged at the second material falling section.

[0033] By adopting the above technical scheme, the provision of multiple material falling sections, including the guide material falling section, facilitates the step-by-step guidance of the product falling into the second material falling channel.

[0034] Preferably, the first material falling section comprises two first material blocking plates arranged at intervals, the guide material falling section comprises two inclined blocking plates arranged at intervals, and the second material falling section comprises two second material blocking plates arranged at intervals; wherein the inclined blocking plates connect the first material blocking plates and the second material blocking plates.

[0035] By adopting the above technical scheme, the provision of the first material blocking plates and the second material blocking plates can block the product falling from the second material falling channel, and the provision of the inclined blocking plates can guide the product falling.

[0036] Preferably, the transverse distance of the second material falling section is less than, equal to or greater than the transverse distance of the first material falling section.

[0037] By adopting the above technical scheme, the second material falling section with different transverse distances can be suitable for guiding different sizes of products to fall.

[0038] In order to adjust the vertical height between the material outlet and the ground, the second object of the present application is to provide an injection molding machine.

[0039] The injection molding machine provided by the application adopts the technical scheme as follows:

[0040] The injection molding machine comprises a rack and the material dropping assembly, the rack is provided with a material dropping opening, and the material dropping opening is communicated with a feeding opening.

[0041] To sum up, the application has at least one beneficial technical effect as follows:

[0042] 1. When the product discharge height needs to be increased, the product is discharged from the second discharge opening after the second hopper is connected with the first hopper, and the discharge height of the second discharge opening is higher than that of the first discharge opening, thereby realizing the increase of the product discharge height.

[0043] 2. The discharge height of the second discharge opening can be adjusted through the setting of the adjusting assembly, and the adjusting operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 It is a schematic view of the installation of the material dropping assembly on the rack in the injection molding machine of the first embodiment.

[0045] Figure 2 It is a structural schematic view of the material dropping assembly in the first embodiment.

[0046] Figure 3 It is an exploded schematic view of the material dropping assembly in the first embodiment.

[0047] Figure 4 It is a sectional view of the material dropping assembly in the first embodiment.

[0048] Figure 5 It is a structural schematic view of the second material dropping hopper in the first embodiment.

[0049] Figure 6 It is a sectional view of the installation of the material dropping assembly on the rack in the first embodiment.

[0050] Mark explanation: 1, first hopper; 11, first material dropping channel; 12, first discharge opening; 13, side plate; 14, limiting plate; 15, connecting plate; 16, hem; 17, bottom plate; 18, groove; 2, second hopper; 21, second material dropping channel; 22, second discharge opening; 23, first material dropping section; 24, guide material dropping section; 25, second material dropping section; 26, first material blocking plate; 27, inclined blocking plate; 28, second material blocking plate; 29, mounting seat; 3, adjusting assembly; 31, adjusting plate; 32, mounting plate; 33, fastener; 34, adjusting hole; 4, rack; 41, material dropping opening; 42, supporting plate. DETAILED DESCRIPTION

[0051] The application will be described in further detail below with reference to the drawings.

[0052] It is to be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein the terms "vertical", "horizontal", "left", "right" and similar expressions are used for explanation purposes only and are not intended to be limiting.

[0053] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Embodiment One

[0054] Figure 1 A partial structure of an injection molding machine is shown, including a frame 4 and a material dropping assembly installed on the frame 4, the frame 4 is provided with a material dropping port 41, which is positioned below an injection mold, products are dropped into the material dropping port 41 after being ejected from the injection mold, and the material dropping assembly is positioned below the material dropping port 41 for receiving the ejected products.

[0055] For reference Figure 2 With Figure 3 The material dropping assembly includes a first hopper 1, a second hopper 2, and an adjusting assembly 3 for connecting the first hopper 1 and the second hopper 2. The first hopper 1 includes a bottom plate 17, two side plates 13 connected to both sides of the bottom plate 17 and vertically extending outward from the surface of the bottom plate 17, a first material dropping channel 11 is enclosed between the bottom plate 17 and the two side plates 13, the first material dropping channel 11 has a feeding port and a first discharging port 12, the feeding port is upwardly communicated with the material dropping port 41, and the discharging port is directed to the side edge of the frame 4, the products pass through the first material dropping channel 11 and are finally output from the first discharging port 12.

[0056] The second hopper 2 has a second material dropping channel 21, which includes a first material dropping section 23, a guide material dropping section 24, and a second material dropping section 25, which are communicated with each other, the upper side of the second material dropping channel 21 is open and communicated with the first material dropping channel 11, and the second material dropping section 25 is provided with a second discharging port 22 at one end.

[0057] The first material dropping section 23 comprises first material blocking plates 26 arranged on both sides, the guide material dropping section 24 comprises two inclined blocking plates 27, and the second material dropping section 25 comprises two second material blocking plates. The first material blocking plates 26, the inclined blocking plates 27 and the second material blocking plates 28 are sequentially connected to avoid the product from falling off when sliding in the second material dropping channel 21. In the embodiment, the transverse distance of the first material dropping section 23 is greater than the transverse distance of the second material dropping section 25, so that the second material outlet 22 is arranged in a tapered manner, which is suitable for the demolding and dropping of small-sized products. Of course, in other embodiments, the transverse distance of the first material dropping section 23 can be greater than or equal to the transverse distance of the second material dropping section 25 to adapt to the guiding and dropping of products of different sizes.

[0058] In combination Figure 4 With Figure 5 , the second hopper 2 extends to the first material dropping channel 11 away from the side of the second material outlet 22, the second material outlet 22 extends toward the side of the first material outlet 12, and the discharge height of the second material outlet 22 is greater than the discharge height of the first material outlet 12. The second hopper 2 is connected with the first hopper 1 through the adjusting assembly 3, and the adjusting assembly 3 comprises an adjusting plate 31, a mounting plate 32 and a fastener 33. One end of the adjusting plate 31 is connected with the second hopper 2, the other end of the adjusting plate 31 is connected with the mounting plate 32, and the mounting plate 32 is connected with the first hopper 1, thereby realizing the connection between the first hopper 1 and the second hopper 2.

[0059] Furthermore, the mounting plate 32 is substantially L-shaped, and a limiting plate 14 is further connected to one side of the two side plates 13, and the mounting plate 32 is connected to the limiting plate 14. The second material blocking plate 28 is connected with a mounting seat 29, and one end of the adjusting plate 31 is connected with the mounting seat 29. When the adjusting assembly 3 connects the first hopper 1 and the second hopper 2, one end of the adjusting plate 31 pulls the second material dropping section 25, so that the second material outlet 22 can be arranged in an overhanging manner in the first material dropping channel 11, and the side of the second hopper 2 away from the second material outlet 22 can always abut against the bottom plate 17 of the first hopper 1 because the second material outlet 22 of the second hopper 2 is pulled to be overhanging, thereby enabling the product to more smoothly enter the second material dropping channel 21 from the first material dropping channel 11.

[0060] In the embodiment, a plurality of adjusting holes 34 arranged along the length direction are provided on the adjusting plate 31, the fastener 33 can be arranged in any adjusting hole 34, and the fastener 33 is connected with the mounting plate 32. The fastener 33 is a bolt, thereby realizing the connection between the second hopper 2 and the first hopper 1. When the fastener 33 is arranged in different adjusting holes 34, the discharge height of the second material outlet 22 can be changed.

[0061] In combination Figure 6, the first hopper 1 is connected with the frame 4, the connecting plates 15 are arranged on the two side plates 13, the frame 4 is connected with the connecting plates 15 through the fasteners 33, and the first hopper 1 is fixed. Meanwhile, in order to improve the stability of the first hopper 1 after being installed with the frame 4, the bottom plate 17 is provided with the curled edge 16 away from the first discharge port 12, the curled edge 16 is provided with the groove 18, the frame 4 is provided with the support plate 42 at the position of the discharge port 41, the groove 18 is clamped on the support plate 42, and the displacement of the first hopper 1 in the horizontal direction is limited. Meanwhile, the limiting plate 14 has a certain length, the two sides of the limiting plate 14 extend outward from the surface of the side plate 13, when the first hopper 1 is installed, the limiting plate 14 can abut against the frame 4, and the displacement of the first hopper 1 in the horizontal direction is limited.

[0062] When the blanking assembly is used, the discharge height of the second discharge port 22 can be adjusted by inserting the fastener 33 into the corresponding adjusting hole 34 according to the height requirement of product discharge. Embodiment two

[0063] A blanking assembly, which is different from the blanking assembly in embodiment one in that the adjusting plate 31 is provided with a long hole, the fastener 33 can slide in the long hole, and the stepless adjustment of the discharge height of the second discharge port 22 is realized. Embodiment three

[0064] An injection molding machine, which comprises the blanking assembly in embodiment one or embodiment two.

[0065] The above are the preferred embodiments of the application, and are not used to limit the protection scope of the application, so that: all equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A blanking assembly characterized by, The application relates to a first hopper (1) having a first material dropping channel (11) with a material inlet and a first material outlet (12); a second hopper (2) having a second material dropping channel (21) with a second material outlet (22); and an adjusting assembly (3) for connecting the second hopper (2) with the first hopper (1), the adjusting assembly (3) comprising an adjusting plate (31), wherein one side of the second hopper (2) extends from the first material outlet (12) into the first material dropping channel (11), the first material dropping channel (11) is communicated with the second material dropping channel (21), the second material outlet (22) extends towards one side of the first material outlet (12), the adjusting plate (31) is connected to one side of the second material outlet (22) and detachably connected to the first hopper (1), and one side of the second hopper (2) away from the second material outlet (22) always abuts against the bottom wall of the first material dropping channel (11). The adjusting assembly (3) further comprises: an installation plate (32) connected to the first hopper (1) and the adjusting plate (31); and a fastener (33) for connecting the installation plate (32) with the adjusting plate (31); wherein one end of the adjusting plate (31) is connected to the installation plate (32) through the fastener (33), the other end of the adjusting plate (31) is connected to the second hopper (2), the adjusting plate (31) is provided with a long hole, and the fastener (33) can be arranged in the long hole. The adjusting assembly (3) further comprises: an installation plate (32) connected to the first hopper (1) and the adjusting plate (31); and a fastener (33) for connecting the installation plate (32) with the adjusting plate (31); wherein one end of the adjusting plate (31) is connected to the installation plate (32) through the fastener (33), the other end of the adjusting plate (31) is connected to the second hopper (2), the adjusting plate (31) is provided with a plurality of adjusting holes (34), and the fastener (33) can be arranged in the adjusting holes (34). The first hopper (1) comprises: a bottom plate (17); two side plates (13) connected to two sides of the bottom plate (17); and a limiting plate (14) connected to the two side plates (13); wherein two sides of the limiting plate (14) extend outward from one side of the side plate (13), and the length of the limiting plate (14) is greater than the transverse spacing between the two side plates (13). The first hopper (1) further comprises a connecting plate (15) connected to the two side plates (13) and arranged at the upper edge of the two side plates (13).

2. A blanking assembly according to claim 1, wherein, The first hopper (1) further comprises a curled edge (16) connected to one side of the bottom plate (17), and the curled edge (16) is provided with a groove (18). ​ ​ ​ 3. The blanking assembly of claim 1, wherein, ​ ​ ​ ​ 4. The blanking assembly of claim 1, wherein, ​ ​ ​ ​ ​ 5. A blanking assembly according to claim 4, wherein, ​ 6. A blanking assembly according to claim 4, wherein, ​ 7. The blanking assembly of claim 1, wherein, The second blanking channel (21) comprises a first blanking section (23), a guide blanking section (24) and a second blanking section (25) in communication, the guide blanking section (24) connecting the first blanking section (23) and the second blanking section (25), and the second discharge port (22) being arranged at the second blanking section (25).

8. A blanking assembly according to claim 7, wherein, The first blanking section (23) comprises two first blanking plates (26) arranged at intervals, the guide blanking section (24) comprises two inclined blanking plates (27) arranged at intervals, and the second blanking section (25) comprises two second blanking plates (28) arranged at intervals; wherein the inclined blanking plates (27) connect the first blanking plates (26) and the second blanking plates (28).

9. The blanking assembly of claim 7, wherein, The transverse distance of the second blanking section (25) is less than, equal to or greater than the transverse distance of the first blanking section (23).

10. An injection molding machine characterized by, The machine (1) comprises a frame (4) and a blanking assembly as claimed in any one of claims 1-9, the frame (4) being provided with a discharge port (41) in communication with the feed port.

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