PU dust-free filter bag mouth production equipment

Abstract

The utility model relates to PU dust-free filter bag mouth production equipment which comprises a machine frame. The lower die assembly is fixedly arranged at the top of the rack; the upper mold assembly can generate vertical up-and-down movement and is close to or far away from the lower mold assembly, and when the upper mold assembly and the lower mold assembly are close to each other and are closed, a cavity used for forming a filter bag is formed; the shaping assembly comprises a mold core rod capable of being driven to move up and down, and the mold core rod penetrates through the mold cavity and is used for being matched with a shaped filter bag opening; the push-out assembly is used for pushing out the filter bag mouth finished product. After the upper die assembly moves downwards to be combined with the lower die assembly, the shaping assembly moves to push the core rod to penetrate through the cavity, after forming, the upper die hydraulic push rod pushes the upper die assembly to be separated from the lower die assembly, the push-out assembly works, the ejector pin push rod is pushed to move upwards through the ejector pin push rod, and a filter bag opening finished product is ejected out and discharged through the ejector pin. In this way, full-automatic production such as automatic mold closing, injection molding, automatic mold splitting and automatic discharging is carried out, and the production efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of filter bag production, in particular to PU dust-free filter bag mouth production equipment. Background Art

[0002] Filter bags are a component used in a wide variety of industrial and commercial filtration systems to capture and separate solid particles, liquid droplets, or pollutants in gases. Filter bags are typically made from multiple layers of different materials with specific pore structures that capture particles of varying sizes and types.

[0003] The filter bag mouth is usually a hard solid that shapes and supports the bag mouth. For injection-molded filter bag mouths, they usually need to be injection-molded. Therefore, it is urgent to design a device that can fully automatically produce filter bag mouths to improve production efficiency. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the purpose of this utility model is to provide a PU dust-free filter bag production equipment, comprising:

[0005] frame;

[0006] A lower mold assembly is fixedly arranged on the top of the frame;

[0007] An upper mold assembly is correspondingly fitted above the lower mold assembly, and the upper mold assembly is capable of vertically moving up and down and moving closer to or away from the lower mold assembly. When the upper mold assembly and the lower mold assembly are close together, a cavity for molding a filter bag is formed;

[0008] A shaping assembly is provided on the frame and below the lower die assembly, the shaping assembly comprising a core rod that can be driven to move up and down, the core rod passing through the die cavity to match the shaping filter bag opening;

[0009] The ejection assembly is arranged in the frame and between the upper mold assembly and the shaping assembly for ejecting the finished filter bag mouth. The core rod passes through the ejection assembly.

[0010] A further implementation scheme of the present invention is that the lower die assembly includes a lower die block and a lower die fixing plate, the lower die fixing plate is fixed on the top of the frame, and the lower die block is fixed on the lower die fixing plate.

[0011] A further implementation scheme of the present invention is that the upper mold assembly includes an upper mold fixing plate, an upper module, a positioning slide, a sleeve and a fixed plate, the upper module is fixed to the bottom surface of the upper mold fixing plate, the upper module and the lower module are matched and molded to form a cavity, the sleeve is inserted into the upper module and connected to the cavity, the positioning slide passes through the upper mold fixing plate and the lower mold fixing plate, one end of the positioning slide is fixed to the lower mold fixing plate, the upper mold fixing plate is slidably connected to the positioning slide, and the fixed plate is fixed to the top of the positioning slide.

[0012] A further implementation scheme of the present invention is that a limiting column is further provided between the upper mold fixing plate and the lower mold fixing plate, and one end of the limiting column is fixed to the lower mold fixing plate.

[0013] A further embodiment of the present invention is that it further comprises an upper die hydraulic push rod, which is arranged below the lower die fixed plate, and its output end passes through the lower die fixed plate and fixes the bottom surface of the upper die fixed plate.

[0014] A further implementation scheme of the present utility model is that the shaping assembly also includes a base plate, a motor, a screw rod, a movable plate and a guide column, the base plate is fixed on the frame, the motor is fixed on the base plate, the two ends of the guide column are respectively fixedly connected to the base plate and the bottom of the ejection assembly, the movable plate is slidably connected to the guide column, one end of the screw rod is drive-connected to the output end of the motor, and the screw rod passes through the center of the movable plate and is threadedly connected to the movable plate, a number of core rods are provided and fixed on the movable plate, and the core rods sequentially penetrate the ejection assembly, the lower mold fixed plate, the lower module, the upper module and the upper mold fixed plate.

[0015] A further implementation scheme of the present utility model is that the ejection assembly includes a support plate, an ejector, an ejector push plate, an ejector fixing plate and an ejector push rod, the support plate is fixed on the top of the guide column, and the support plate and the lower mold fixing plate are fixedly connected by a fixing column, the ejector fixing plate is fixed on the support plate, the ejector push plate is movably arranged on the ejector fixing plate, the ejector is fixed on the ejector push plate and the ejector passes through the mold cavity to eject the finished product of the filter bag, the ejector push rod is fixed on the bottom surface of the support plate and its output end passes through and is fixedly connected to the bottom of the ejector push plate.

[0016] A further embodiment of the present invention is to further include a control box and a hydraulic station, wherein the hydraulic station is control-connected to the ejector push rod and the upper mold hydraulic push rod, and the control box is electrically connected to the motor.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] After the upper mold assembly moves downward and closes the mold with the lower mold assembly, the molding assembly moves to push the core rod through the mold cavity, and the filter bag opening is injection-molded into the mold cavity through the sleeve. After molding, the upper mold hydraulic push rod pushes the upper mold assembly to separate the lower mold assembly, and the push-out assembly works. The ejector push rod pushes the ejector push rod upward, and the ejector pushes the finished filter bag opening out of the mold, thereby performing automatic mold closing, injection molding, automatic mold separation and automatic unloading, etc., with high production efficiency.

[0019] The present invention will be described in further detail below with reference to the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the PU dust-free filter bag production equipment;

[0021] Figure 2 This is a schematic diagram of the structure of the PU dust-free filter bag production equipment under the internal mold clamping state;

[0022] Figure 3 This is a structural diagram of the PU dust-free filter bag production equipment under the internal mold opening and material pushing state. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0027] The embodiment of the present invention provides a PU dust-free filter bag mouth production device, comprising:

[0028] like Figure 1 , frame 1, frame 1 is surrounded by protective plate 2 on the side, which plays a certain protective role.

[0029] The lower mold assembly is fixedly arranged on the top of the frame 1 . The lower mold assembly includes a lower mold module 3 and a lower mold fixing plate 4 . The lower mold fixing plate 4 is fixed on the top of the frame 1 , and the lower mold module 3 is fixed on the lower mold fixing plate 4 .

[0030] The upper mold assembly is correspondingly matched above the lower mold assembly, and the upper mold assembly can generate vertical up and down movement and move closer to or away from the lower mold assembly. When the upper mold assembly and the lower mold assembly are close to each other and closed, a cavity for forming the filter bag opening is formed. The upper mold assembly is driven by the upper mold hydraulic push rod 5 to perform upper and lower mold closing and opening actions.

[0031] Specifically, such as Figure 2 and Figure 3 The upper mold assembly includes an upper mold fixing plate 6, an upper mold block 7, a positioning slide 8, a sleeve 9 and a fixed plate 10. The upper mold hydraulic push rod 5 is arranged below the lower mold fixing plate 4, and its output end passes through the lower mold fixing plate 4 and fixes the bottom surface of the upper mold fixing plate 6. The upper mold block 7 is fixed to the bottom surface of the upper mold fixing plate 6. The upper mold block 7 and the lower mold block 3 match and form a mold cavity. The sleeve 9 is inserted into the upper mold block 7 and connects the mold cavity. The positioning slide 8 passes through the upper mold fixing plate 6 and the lower mold fixing plate 4. One end of the positioning slide 8 is fixed to the lower mold fixing plate 4. The upper mold fixing plate 6 is slidably connected to the positioning slide 8, and the fixed plate 10 is fixed to the top of the positioning slide 8. Therefore, the upper mold hydraulic rod pulls the upper mold block 7 and the lower mold block 3 to close the mold, and the molten PU raw material is injected from the sleeve 9, formed in the mold cavity and pressure maintained. After shaping, the upper mold hydraulic rod pushes the upper mold assembly to open the mold for pushing.

[0032] A limiting column 11 is also provided between the upper mold fixing plate 6 and the lower mold fixing plate 4. One end of the limiting column 11 is fixed on the lower mold fixing plate 4. The limiting column 11 plays a limiting role in mold closing, ensuring that when the upper module 7 and the lower module 3 are closed, the top of the limiting column 11 just touches the bottom surface of the upper mold fixing plate 6 to prevent damage to the mold closing caused by excessive formation.

[0033] The shaping assembly is arranged on the frame 1 and below the lower die assembly. The shaping assembly includes a core rod 12 that can be driven to move up and down. The core rod 12 passes through the cavity to match the shaping filter bag opening.

[0034] In detail, the shaping assembly also includes a base plate 13, a motor 14, a screw 15, a movable plate 16 and a guide column 17. The base plate 13 is fixed to the frame 1, the motor 14 is fixed to the base plate 13, and the two ends of the guide column 17 are respectively fixedly connected to the base plate 13 and the bottom of the ejection assembly. The movable plate 16 is slidably connected to the guide column 17, one end of the screw 15 is driven and connected to the output end of the motor 14, and the screw 15 passes through the center of the movable plate 16 and is threadedly connected to the movable plate 16. The core rod 12 is provided with several and fixed to the movable plate 1 6, and the core rod 12 penetrates the ejection assembly, the lower mold fixed plate 4, the lower module 3, the upper module 7 and the upper mold fixed plate 6 in sequence. A control box 18 is also provided on the outside of the frame 1. The control box 18 is electrically connected to the motor 14. The motor 14 drives the screw rod 15 to rotate, and the screw rod 15 and the movable plate 16 cooperate to drive the movable plate 16 to move up and down. After the mold is closed, the movable plate 16 drives the core rod 12 to penetrate the mold cavity, and the hole position on the filter bag mouth is shaped by the core rod 12. After the product is formed, the movable plate 16 moves downward to pull the core rod 12 out of the mold cavity.

[0035] In addition, an ejection assembly is arranged in the frame 1 and between the upper mold assembly and the shaping assembly for ejecting the finished filter bag mouth, and the core rod 12 passes through the ejection assembly.

[0036] Specifically, the ejection assembly includes a support plate 19, an ejector 20, an ejector push plate 21, an ejector fixing plate 22 and an ejector push rod 23. The support plate 19 is fixed on the top of the guide column 17, and the support plate 19 is fixedly connected to the lower mold fixing plate 4 through a fixing column 24. The ejector fixing plate 22 is fixed on the support plate 19, and the ejector push plate 21 is movably arranged on the ejector fixing plate 22. The ejector 20 is fixed on the ejector push plate 21 and the ejector 20 passes through the cavity. To eject the finished filter bag, the ejector push rod 23 is fixed to the bottom surface of the support plate 19 and its output end is passed through to be fixedly connected to the bottom of the ejector push plate 21. A hydraulic station 25 is also provided outside the frame 1. The hydraulic station 25 is controlled and connected with the ejector push rod 23 and the upper mold hydraulic push rod 5. After molding, the ejector push rod 23 pushes the ejector push plate 21 to move upward, and the ejector 20 pushes the product out to unload the material, thereby performing fully automatic production such as automatic mold closing, injection molding, automatic mold parting and automatic unloading, with high production efficiency.

[0037] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A PU dust-free filter bag production equipment, characterized in that: include: frame; A lower mold assembly is fixedly arranged on the top of the frame; An upper mold assembly is correspondingly fitted above the lower mold assembly, and the upper mold assembly is capable of vertically moving up and down and moving closer to or away from the lower mold assembly. When the upper mold assembly and the lower mold assembly are close together, a cavity for molding a filter bag is formed; A shaping assembly is provided on the frame and below the lower die assembly, the shaping assembly comprising a core rod that can be driven to move up and down, the core rod passing through the die cavity to match the shaping filter bag opening; The ejection assembly is arranged in the frame and between the upper mold assembly and the shaping assembly for ejecting the finished filter bag mouth. The core rod passes through the ejection assembly.

2. The PU dust-free filter bag mouth production equipment according to claim 1, characterized in that: The lower die assembly includes a lower die block and a lower die fixing plate. The lower die fixing plate is fixed on the top of the frame, and the lower die block is fixed on the lower die fixing plate.

3. The PU dust-free filter bag mouth production equipment according to claim 2, characterized in that: The upper mold assembly includes an upper mold fixing plate, an upper mold module, a positioning slide, a sleeve and a fixed plate. The upper mold module is fixed to the bottom surface of the upper mold fixing plate. The upper mold module and the lower mold module are matched and molded to form a cavity. The sleeve is inserted into the upper mold module and connected to the cavity. The positioning slide passes through the upper mold fixing plate and the lower mold fixing plate. One end of the positioning slide is fixed to the lower mold fixing plate. The upper mold fixing plate is slidably connected to the positioning slide, and the fixed plate is fixed to the top of the positioning slide.

4. The PU dust-free filter bag mouth production equipment according to claim 3, characterized in that: A limiting column is further provided between the upper die fixing plate and the lower die fixing plate, and one end of the limiting column is fixed on the lower die fixing plate.

5. The PU dust-free filter bag mouth production equipment according to claim 3, characterized in that: It also includes an upper mold hydraulic push rod, which is arranged below the lower mold fixing plate, and its output end passes through the lower mold fixing plate and fixes the bottom surface of the upper mold fixing plate.

6. The PU dust-free filter bag mouth production equipment according to claim 5, characterized in that: The shaping assembly also includes a base plate, a motor, a screw rod, a movable plate and a guide column. The base plate is fixed on the frame, the motor is fixed on the base plate, the two ends of the guide column are respectively fixedly connected to the base plate and the bottom of the ejection assembly, the movable plate is slidably connected to the guide column, one end of the screw rod is drive-connected to the output end of the motor, and the screw rod passes through the center of the movable plate and is threadedly connected to the movable plate. Several core rods are provided and fixed on the movable plate, and the core rods sequentially penetrate the ejection assembly, the lower mold fixed plate, the lower module, the upper module and the upper mold fixed plate.

7. The PU dust-free filter bag mouth production equipment according to claim 6, characterized in that: The ejection assembly includes a support plate, an ejector, an ejector push plate, an ejector fixing plate and an ejector push rod. The support plate is fixed to the top of the guide column, and the support plate and the lower mold fixing plate are fixedly connected by a fixing column. The ejector fixing plate is fixed to the support plate, and the ejector push plate is movably arranged on the ejector fixing plate. The ejector is fixed to the ejector push plate and the ejector passes through the mold cavity to eject the finished product of the filter bag. The ejector push rod is fixed to the bottom surface of the support plate and its output end passes through and is fixedly connected to the bottom of the ejector push plate.

8. The PU dust-free filter bag mouth production equipment according to claim 7, characterized in that: It also includes a control box and a hydraulic station. The hydraulic station is control-connected to the ejector push rod and the upper mold hydraulic push rod, and the control box is electrically connected to the motor.

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