Multi-purpose automatic processing and punching device for plastic shell material

Abstract

The utility model discloses a multipurpose automatic processing and punching device for plastic shell materials, and relates to the technical field of plastic processing equipment, the multipurpose automatic processing and punching device comprises a device base frame, and a multi-direction punching assembly and a control unit assembly which are mounted on the device base frame; the output ends of the multi-direction punching assemblies are connected with punching knives, the multi-direction punching assemblies drive the punching knives to execute punching actions through duplex air cylinders, the multi-direction punching assemblies are powered by pneumatic unit assemblies installed on the device base frame, and the device base frame is further provided with safety protection unit assemblies used for machining totally-closed protection. A cavity mold is arranged at the intersection center of the multi-direction punching assemblies, a shell material pre-pressing assembly for pressing a plastic shell material is arranged on the cavity mold, and a waste recycling unit assembly is further arranged on the device base frame. The device has the effects of being high in automation degree, safe, reliable, capable of supporting multi-direction synchronous punching and capable of efficiently recycling waste materials in time.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of plastic processing, in particular to a multipurpose plastic shell material automatic processing and punching device. BACKGROUND

[0002] Traditional plastic shell material punching equipment usually adopts a single direction punching structure, and when processing complex shapes, the workpiece position needs to be adjusted multiple times, which is low in efficiency, and lacks an integrated waste recycling and safety protection system. In addition, the existing equipment pneumatic control unit lacks coordination with the actuator, which easily leads to a decrease in punching precision. CONTENT OF THE UTILITY MODEL

[0003] In order to improve the problem that traditional plastic shell material punching devices mostly only support single direction punching, and when processing complex shapes, the workpiece position needs to be frequently adjusted, which is low in efficiency, and lacks efficient waste management and safety protection, the application provides a multipurpose plastic shell material automatic processing and punching device.

[0004] The multipurpose plastic shell material automatic processing and punching device provided by the application adopts the following technical scheme:

[0005] A multipurpose plastic shell material automatic processing and punching device, comprising a device base frame, a multidirectional punching assembly mounted on the device base frame, and a control unit assembly; the multidirectional punching assembly is composed of a left side direction punching assembly, a right side direction punching assembly, a rear side direction punching assembly and a vertical direction punching assembly, and a punch is connected to the output end of each of the multidirectional punching assemblies; the multidirectional punching assemblies are driven by double pneumatic cylinders to execute punching actions; the multidirectional punching assemblies are powered by a pneumatic unit assembly mounted on the device base frame; a safety protection unit assembly for processing a fully enclosed protection is also mounted on the device base frame; a cavity mold is arranged at the intersection center of the multidirectional punching assembly; a shell pre-pressing assembly for pressing the plastic shell material is arranged on the cavity mold; and a waste recycling unit assembly is also arranged on the device base frame.

[0006] Compared with the traditional punching mode, the multidirectional synchronous punching function improves the processing efficiency of the plastic shell material complex shape; the stable power provided by the pneumatic unit assembly and the highly integrated control of the control unit assembly ensure the accuracy and consistency of the punching action; the safety protection unit assembly effectively reduces the operation risk and ensures the safety of the production process; and the addition of the waste recycling unit assembly reduces manual intervention and further improves the automation level of production.

[0007] Optionally, the pneumatic unit assembly comprises an air regulating valve, an air filter and a pneumatic joint, the air filter is installed on the device base, the air regulating valve is installed on the connecting pipeline of the air filter, and the pneumatic joint is installed on the connecting pipeline of the air filter away from the air pressure regulating valve.

[0008] By adopting the above technical scheme, the air filter can effectively remove impurities in compressed air to ensure the cleanliness of the air circuit; the air regulating valve can accurately adjust the air supply pressure to ensure the stability and consistency of the action of the double-cylinder driving punch; the pneumatic joint facilitates pipeline connection, improves the assembly efficiency and reliability of the device, and improves the working precision and service life of the multi-directional punching assembly.

[0009] Optionally, the safety protection unit assembly comprises a single-side opening closed protective cover installed on the device base, an operation window protection grating, and a rear side movable door travel switch, the operation window protection grating is arranged around the multi-directional punching assembly, and the rear side movable door travel switch is installed on the device base.

[0010] By adopting the above technical scheme, the single-side opening closed protective cover can effectively isolate the punching area and prevent external interference; the operation window protection grating is arranged around the multi-directional punching assembly to monitor in real time whether foreign matter or human body parts enter the dangerous area, and the equipment stops running immediately once an abnormality is detected; and the rear side movable door travel switch ensures that the state of the rear side movable door is controlled, avoids the safety hazard caused by unauthorized opening, improves the operation safety of the equipment, and reduces the risk of accidents.

[0011] Optionally, the waste recycling unit assembly comprises a waste channel formed on the device base, and a punching shell material storage box installed on the waste channel.

[0012] By adopting the above technical scheme, the waste channel allows the waste generated during the punching process to slide along the specified path, avoiding the problem of waste accumulation or scattering; and the punching shell material storage box is used to collect the slid waste, reducing the workload of manual cleaning and improving the production efficiency.

[0013] Optionally, the shell material pre-pressing assembly comprises a travel cylinder installed on the device base, a pre-pressing block connected to the output end of the travel cylinder, and the travel cylinder being parallel to the vertical direction punching assembly.

[0014] By adopting the above technical scheme, the shell material pre-pressing assembly ensures that the plastic shell material is firmly fixed on the cavity mold before punching, the travel cylinder drives the pre-pressing block to move, and since the travel cylinder is parallel to the vertical direction punching assembly, the pre-pressing action is consistent with the subsequent punching action, avoiding the problems of punching deviation or failure caused by loosening of the plastic shell material, and improving the punching precision and product yield.

[0015] Optionally, a punch fixed plate is arranged between the punch and the double cylinder, and a cylinder fixed plate is arranged on the side of the double cylinder close to the punch fixed plate, the punch fixed plate and the cylinder fixed plate are fastened by screws, and C-shaped clamping grooves are arranged on the punch fixed plate and the cylinder fixed plate for limiting the double cylinder.

[0016] By adopting the above technical scheme, the connection between the punch and the double cylinder is more stable and reliable, the punch fixed plate and the cylinder fixed plate are fastened by screws, and the double cylinder is limited by the C-shaped clamping grooves, thereby effectively reducing the assembly error and improving the positioning accuracy and stability during the punching process.

[0017] Optionally, the control unit assembly comprises a control panel, an electromagnetic valve, a program selection knob switch and a start button, the program selection knob switch is installed on the device base, the start button is installed on one side of the program selection button switch, and the electromagnetic valve and the control panel are in electrical signal communication.

[0018] By adopting the above technical scheme, the control panel is responsible for core operation and instruction issuing, the electromagnetic valve responds to the electrical signal issued by the control panel, accurately controls the action timing of the pneumatic unit, ensures the cooperative operation of the multi-directional punching assembly, the program selection knob switch flexibly switches the control program according to different processing requirements, the start button controls the opening and closing of the overall electrical signal transmission, realizes the overall control, improves the automation level and operation convenience of the equipment, reduces the errors caused by human intervention, and improves the overall production efficiency and processing accuracy.

[0019] Optionally, the cavity mold is an abdominal empty structure, and a mounting groove is arranged on the cavity mold, and the waste channel is a slope structure.

[0020] By adopting the above technical scheme, the cavity mold adopts the abdominal empty structure to reduce the overall weight and save material cost, and the mounting groove is arranged to facilitate accurate installation and stable connection of the waste recycling unit assembly; the slope waste channel can make the waste smoothly slide to the punching shell storage box by gravity, realize efficient automatic recycling of waste, reduce manual intervention and reduce production cost.

[0021] In summary, the present application has at least one of the following beneficial technical effects:

[0022] 1. The multi-directional punching assembly, i.e., the left side direction punching assembly, the right side direction punching assembly, the rear side direction punching assembly and the vertical direction punching assembly are linked, the punch is driven by the double cylinder to perform synchronous punching action, the processing efficiency is improved, the cumulative error caused by repeated adjustment of the workpiece position is reduced, and one-time accurate molding of complex shapes is realized.

[0023] 2. The pneumatic unit assembly provides stable air pressure matching control of the unit assembly, ensures accurate and reliable operation of each punching assembly, and effectively avoids the problem of precision decline in the punching process;

[0024] 3. The safety protection unit assembly combines the operation window protection grating and the rear side movable door travel switch to realize emergency stop for closed protection and abnormal conditions, effectively reduces the operation risk in the processing process, and ensures production safety; 4. The waste recycling unit assembly automatically recycles waste, reduces manual intervention, and reduces production cost. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0026] Figure 1 is the top view of the overall structure of the present application.

[0027] Figure 2 is the side view of the overall structure of the present application.

[0028] Figure 3 is the front view of the overall structure of the present application.

[0029] Reference signs: 1, control unit assembly; 2, left side direction punching assembly; 3, right side direction punching assembly; 4, rear side direction punching assembly; 6, safety protection unit assembly; 8, waste recycling unit assembly; 9, device base frame; 10, pneumatic unit assembly; 13, travel air cylinder; 14, vertical direction punching assembly; 15, shell pre-pressing assembly; 16, pre-pressing block; 17, air pressure regulating valve; 18, air filter; 19, punch; 20, double air cylinder; 21, pneumatic joint; 28, emergency stop switch; 29, opening closed protection cover; 30, operation window protection grating; 31, rear side movable door travel switch; 35, punching shell storage box; 36, punch fixing plate; 37, cylinder fixing plate; 38, electromagnetic valve; 39, program selection knob switch; 40, start button; 41, control panel; 42, cavity mold. DETAILED DESCRIPTION

[0030] The following will be described in conjunction with the accompanying Figures 1-3 The present application will be further described in detail.

[0031] The embodiment of the present application discloses a multi-purpose automatic processing and punching device for plastic shell.

[0032] Reference Figure 1, including the device base 9 as a whole support structure, multi-directional cutting assembly, pneumatic unit assembly 10, safety protection unit assembly 6, shell material pre-pressing assembly 15, waste recycling unit assembly 8 and control unit assembly 1 mounted on the device base 9; multi-directional cutting assembly is composed of left side direction cutting assembly 2, right side direction cutting assembly 3, rear side direction cutting assembly 4 and vertical direction cutting assembly 14, the output end of each cutting assembly is connected with a punch 19, the multi-directional cutting assembly drives the punch 19 to perform cutting action through a double cylinder 20, and the multi-directional cutting assembly is powered by the pneumatic unit assembly 10 mounted on the device base 9, achieving the effect of multi-directional synchronous cutting and ensuring cutting precision.

[0033] Referring to Figure 1 and Figure 3 , the left side direction cutting assembly 2 includes a double cylinder 20 and a punch fixing plate 36 connected thereto. Similarly, the right side direction cutting assembly 3, the rear side direction cutting assembly 4 and the vertical direction cutting assembly 14 are each equipped with a corresponding double cylinder 20 and its matching punch fixing plate 36. The four direction double cylinders 20 work together to complete the all-round cutting processing of the plastic shell material, each cutting assembly drives the punch 19 to perform cutting action through a double cylinder 20, and is powered by the pneumatic unit assembly 10, achieving the effect of multi-directional synchronous cutting and ensuring cutting precision.

[0034] Referring to Figure 3 , the device base 9 is also provided with a safety protection unit assembly 6 for processing full-enclosed protection, and a cavity mold 42 is arranged at the intersection center of the multi-directional cutting assembly, the cavity mold 42 is an abdominal cavity structure, the cavity mold 42 is provided with a mounting groove, the cavity mold 42 is provided with a shell material pre-pressing assembly 15 for pressing the plastic shell material, and the device base 9 is also provided with a waste recycling unit assembly 8;

[0035] In order to reduce assembly error and improve the installation precision of the punch 19, a cylinder fixing plate 37 is arranged on the side of the punch fixing plate 36 close to the double cylinder 20. For example, for the left side direction cutting assembly 2, a C-shaped clamping groove structure is adopted between the cylinder fixing plate 37 and the punch fixing plate 36 for limiting and fixing, and a screw hole with a pull slot treatment is formed thereon for quick disassembly and maintenance, effectively avoiding the problem of cumulative deviation caused by repeated assembly and disassembly.

[0036] Referring to Figure 2 , the cavity mold 42 at the intersection center of the multi-directional cutting assembly adopts an abdominal cavity structure, and the bottom of the cavity mold 42 is provided with an array of circular through holes for chip removal, facilitating smooth discharge of waste into the waste recycling channel below.

[0037] Referring to Figure 1As shown, the pneumatic unit assembly 10 includes an air regulating valve, an air filter 18, and a pneumatic joint 21, which provide stable air pressure for the double pneumatic cylinder 20 to ensure the cutting accuracy. The air filter 18 is installed on the device base 9, the air regulating valve is installed on the connecting pipeline of the air filter 18, and the pneumatic joint 21 is installed on the connecting pipeline of the air filter 18 away from the air pressure regulating valve 17.

[0038] As shown in Figure 2 and Figure 3 As shown, the safety protection unit assembly 6 includes a one-side opening closed protective cover 29 installed on the device base 9, an operation window protection grating 30, and a rear side movable door stroke switch 31. The operation window protection grating 30 is arranged around the multi-directional cutting assembly, the rear side movable stroke switch is installed on the device base 9, and the entire device base is covered with a one-side opening closed protective cover 29, leaving necessary operation windows for personnel to temporarily open when taking and placing materials. A plurality of infrared scanning type protection grating sensors are arranged around each operation window. Once it is detected that a person's hand or other objects intrude into the danger zone, the power supply will be immediately cut off and the operation will be stopped, thereby maximizing the safety of the personnel. In addition, a mechanical stroke switch is additionally provided at the back of the device base 9, which is mainly used for monitoring the state of the rear side movable door. Only when it is confirmed that the door is closed in place can the machine be started to operate. Otherwise, even if the start key is pressed forcibly, it will not take effect, thereby forming a double insurance mechanism.

[0039] As shown in Figure 2 As shown, the waste recycling unit assembly 8 includes a waste passage formed on the device base 9, a cutting shell storage box 35 installed on the waste passage, and the waste passage is in a slope structure. The passage is radially distributed to a central collection point and finally flows into the dedicated cutting shell storage box 35 for storage for subsequent unified disposal, so that the waste can more easily slide down the slope to avoid accumulation and retention.

[0040] As shown in Figure 2 and Figure 3 As shown, the shell pre-pressing assembly 15 includes a stroke cylinder 13 installed on the device base 9, and a pre-pressing block 16 connected to the output end of the stroke cylinder 13. The stroke cylinder 13 is parallel to the vertical direction cutting assembly 14 to ensure stable positioning of the plastic shell before cutting.

[0041] As shown in Figure 1 , Figure 2 and Figure 3As shown, the punch 19 and the double cylinder 20 are provided with a punch fixing plate 36, the punch fixing plate 36 is provided with a cylinder fixing plate 37 close to the double cylinder 20 side, the cylinder fixing plate 37 and the punch fixing plate 36 are fastened by screws, the punch fixing plate 36 and the cylinder fixing plate 37 are both provided with C-shaped clamping grooves for limiting the double cylinder 20, the punch 19 and the punch fixing plate 36 are tightly matched and locked by screws to reduce assembly error, the punch fixing plate 36 and the cylinder fixing plate 37 are limited and fixed by C-shaped clamping grooves, and the punch fixing plate 36 fixing screw hole is treated by slotting, which is convenient for installation and solves the problem of difficult assembly positioning, and the punch 19 is normalized to improve material rigidity.

[0042] Referring to Figure 1 As shown, the control unit assembly 1 includes an IO control board 41, a control system, a solenoid valve 38, a program selection knob switch 39 and a start button 40 installed on the device base 9, for coordinating the timing action of each direction punching assembly and the pneumatic unit; the program selection knob switch 39 is installed on the device base 9, the program selection knob switch 39 adopts a key button switch to prevent operator misoperation, the start button 40 is installed on one side of the program selection button switch, the start switch button adopts a series double switch form to prevent misoperation and button misoperation, and the solenoid valve 38 and the control board 41 are connected by electrical signal.

[0043] The implementation principle of the multipurpose automatic processing and punching device for plastic shell material is as follows: first, the plastic shell material is placed on the cavity mold 42, and the shell material pre-pressing assembly 15 is used to press and fix the plastic shell material, after the control unit assembly 1 is started, the pneumatic unit assembly 10 drives the double cylinder 20 in each direction, the corresponding punch 19 drives the plastic shell material to complete multi-angle synchronous punching operation, improves processing efficiency, reduces repeated adjustment of workpiece position, realizes one-time forming of complex shape, the waste material is slid into the storage box through the inclined waste material recycling channel, reduces manual intervention, reduces production cost, the finished product is taken out through the operation window, and the whole process is protected by grating and travel switch to monitor the equipment state in real time, the emergency stop switch 28 is triggered when an abnormality occurs, the closed protection and emergency stop of abnormal condition are realized, the operation risk in the processing process is reduced, and the production safety is ensured.

[0044] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. Unless otherwise defined, the terms "first", "second" or "third" and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a sequential or chronological order. The terms "one", "another", "an" or "some" as well as similar referents in the context of describing the specification and claims are to be construed to be open-ended, i.e., to cover both singular and plural referents unless otherwise indicated. The terms "including", "containing" or "comprising" and the like are not intended to exclude other integers or steps, but to "include" or "comprise" other integers or steps unless otherwise indicated. The terms "connected", "coupled" or "pathway" are not restricted to direct connections, couplings or pathways but include indirect connections, couplings or pathways unless otherwise indicated. The terms "above", "below", "left", "right" and the like are only used to express relative positions such as a relative position of a described object with respect to another object, and are not used to express absolute positions of the described object unless otherwise indicated.

[0045] The above are only preferred embodiments of the present application, not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A multi-purpose automatic processing and punching device for plastic shell materials, characterized in that: The device base frame (9), the multi-directional die cutting assembly mounted on the device base frame (9), and the control unit assembly (1); the multi-directional die cutting assembly is composed of a left side directional die cutting assembly, a right side directional die cutting assembly (3), a rear side directional die cutting assembly (4), and a vertical directional die cutting assembly (14); the output end of the multi-directional die cutting assembly is connected with a die cutter (19); the multi-directional die cutting assembly drives the die cutter (19) to perform a die cutting action through a double air cylinder (20); the multi-directional die cutting assembly is powered by a pneumatic unit assembly (10) mounted on the device base frame (9); the device base frame (9) is also mounted with a safety protection unit assembly (6) for processing a fully enclosed protection; the intersection center of the multi-directional die cutting assembly is provided with a cavity mold (42); the cavity mold (42) is provided with a shell material pre-pressing assembly (15) for pressing a plastic shell material; the device base frame (9) is also provided with a waste recycling unit assembly (8).

2. The automatic processing and punching device for multi-purpose plastic shell material according to claim 1, characterized in that: The pneumatic unit assembly (10) includes an air regulating valve, an air filter (18), and a pneumatic joint (21); the air filter (18) is mounted on the device base frame (9); the air regulating valve is mounted on the connecting pipeline of the air filter (18); and the pneumatic joint (21) is mounted on the connecting pipeline of the air filter (18) away from the air pressure regulating valve (17).

3. The automatic processing and punching device for multi-purpose plastic shell material according to claim 1, characterized in that: The safety protection unit assembly (6) includes a single-side opening enclosed protection cover (29) mounted on the device base frame (9), an operating window protection grating (30), and a rear side movable door travel switch (31); the operating window protection grating (30) is arranged around the multi-directional die cutting assembly; and the rear side movable door travel switch (31) is mounted on the device base frame (9).

4. The automatic processing and punching device for multi-purpose plastic shell material according to claim 1, characterized in that: The waste recycling unit assembly (8) includes a waste channel formed on the device base frame (9); and a die cutting shell material storage box (35) is mounted on the waste channel.

5. The automatic processing and punching device for multi-purpose plastic shell material according to claim 1, characterized in that: The shell material pre-pressing assembly (15) includes a travel air cylinder (13) mounted on the device base frame (9); the output end of the travel air cylinder (13) is connected with a pre-pressing block (16); and the travel air cylinder (13) is parallel to the vertical directional die cutting assembly (14).

6. The automatic processing and punching device for multi-purpose plastic shell material according to claim 1, characterized in that: A die cutter fixing plate (36) is arranged between the die cutter (19) and the double air cylinder (20); the die cutter fixing plate (36) is provided with an air cylinder fixing plate (37) on the side close to the double air cylinder (20); the air cylinder fixing plate (37) and the die cutter fixing plate (36) are fastened by screws; and C-shaped clamping grooves for limiting the double air cylinder (20) are formed on the die cutter fixing plate (36) and the air cylinder fixing plate (37).

7. The automatic processing and punching device for multi-purpose plastic shell material according to claim 1, characterized in that: The control unit assembly (1) includes a control panel (41) mounted on the device base frame (9), an electromagnetic valve (38), a program selection knob switch (39), and a start button (40); the program selection knob switch (39) is mounted on the device base frame (9); the start button (40) is mounted on one side of the program selection button switch; and the electromagnetic valve (38) and the control panel (41) are connected by electrical signals.

8. The automatic processing and punching device for multi-purpose plastic shell material according to claim 4, characterized in that: The cavity mold (42) is a hollow structure, and a mounting groove is formed on the cavity mold (42), and the waste channel is a slope structure.

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