CN216922718U

CN216922718U - Package shaping machine

Info

Publication number: CN216922718U
Application number: CN202122994403.0U
Authority: CN
Inventors: 罗怀龙
Original assignee: Harbin General Hydraulic Machinery Manufacturing Co ltd
Current assignee: Harbin General Hydraulic Machinery Manufacturing Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-07-08
Anticipated expiration: 2031-11-30

Abstract

The utility model provides a packaging and shaping machine, which relates to the technical field of packaging and shaping, and comprises an oil supply path, an oil return path and a plurality of shaping mechanisms, wherein each shaping mechanism comprises an electromagnetic directional valve and a shaping oil cylinder, the outlet of the oil supply path is respectively connected with the inlets of a plurality of electromagnetic directional valves, the outlet of each electromagnetic directional valve is connected with the oil inlet of the corresponding shaping oil cylinder, the oil outlet of the shaping oil cylinder is connected with the oil return path, each shaping oil cylinder is suitable for being arranged around a package to be shaped, and the piston rod of each shaping oil cylinder is suitable for extending out to extrude the package to be shaped. The packaging shaping machine realizes extrusion shaping of a packaging piece to be shaped by controlling the telescopic length of the shaping oil cylinder piston rod, the extrusion force is adjustable, and the leveling effect is poor.

Description

Package shaping machine

Technical Field

The utility model relates to the technical field of package shaping, in particular to a package shaping machine.

Background

The product production packing has basically realized automaticly, and the product of bagging-off, bottled and carton packing is accomplished in the packing, before the pile up neatly need carry out the flattening to the packing piece, and current flattening mode generally has following several: the flattening conveyor flattens and establishes the flattening roller on defeated material belt feeder, no matter which kind of flattening mode, can't adjust the pressure to the package all, and the flattening effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a packaging shaping machine to solve the technical problem that the existing packaging piece is poor in leveling effect.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a packaging and shaping machine comprises an oil supply path, an oil return path and a plurality of shaping mechanisms, wherein each shaping mechanism comprises an electromagnetic directional valve and a shaping oil cylinder, an outlet of the oil supply path is respectively connected with inlets of the electromagnetic directional valves, an outlet of each electromagnetic directional valve is connected with an oil inlet of the corresponding shaping oil cylinder, an oil outlet of each shaping oil cylinder is connected with the oil return path, each shaping oil cylinder is suitable for being arranged around a package to be shaped, and a piston rod of each shaping oil cylinder is suitable for extending out to extrude the package to be shaped.

The oil supply path is connected with an oil inlet of the shaping oil cylinder through an electromagnetic reversing valve of a corresponding shaping mechanism, an oil outlet of the shaping oil cylinder is connected with an oil return path, the position of a valve core of the electromagnetic reversing valve is controlled, the oil supply path is communicated with an oil port of a rodless cavity of the shaping oil cylinder, the oil return path is communicated with an oil port of a rod cavity, the oil port of the rodless cavity is an oil inlet, the oil port of the rod cavity is an oil outlet, hydraulic oil pushes a piston rod of the shaping oil cylinder to stretch out, the position of the valve core of the electromagnetic reversing valve is switched, the oil supply path is communicated with the oil port of the rod cavity of the shaping oil cylinder, the oil port of the rodless cavity is an oil outlet, the oil port of the rod cavity is an oil inlet, the hydraulic oil pushes a piston rod of the shaping oil cylinder to retract, and the extension and contraction control of the piston rod of the shaping oil cylinder is realized by controlling the position of the valve core of the electromagnetic reversing valve. Because each shaping oil cylinder is respectively positioned around the package to be shaped, the extrusion shaping of the package to be shaped is realized by controlling the extension of a piston rod of the shaping oil cylinder, the extension length of the piston rod is controlled to adjust the extrusion force applied to the package to be shaped, and the leveling effect is good; and because the piston rod of the shaping oil cylinder is telescopic, the size of the space range enclosed by the piston rods of the shaping oil cylinders is adjustable, the shaping oil cylinder can be suitable for leveling packages to be shaped with different thickness and sizes, and the shaping oil cylinder has wide application range and strong applicability.

Optionally, the reshaping mechanism is provided with five reshaping oil cylinders, and the reshaping oil cylinders of the five reshaping mechanisms are respectively positioned at the left side, the right side, the front side, the rear side and the top of the package to be reshaped.

Optionally, one of the shaping mechanisms further includes a pressure reducing valve and a balance valve, an outlet of the oil supply path is connected to the electromagnetic directional valve of the shaping mechanism through the pressure reducing valve, and the balance valve is disposed between the electromagnetic directional valve and the corresponding shaping cylinder.

Optionally, the rest of the shaping mechanisms further include a hydraulic lock, and the hydraulic lock is arranged between the electromagnetic directional valve and the corresponding shaping oil cylinder.

Optionally, the oil supply path includes an oil tank, a variable pump, and a motor, the motor is connected to the variable pump in a driving manner, an inlet of the variable pump is connected to the oil tank, and an outlet of the variable pump is connected to an inlet of each of the electromagnetic directional valves.

Optionally, the oil supply path further includes an overflow valve, and a connection line between an outlet of the variable pump and the electromagnetic directional valve is provided with the overflow valve.

Optionally, the oil return path is connected to the oil tank.

Optionally, the oil return path includes an air cooling device and/or an oil return filter, and an oil outlet of each of the shaping cylinders is connected to the oil tank through the air cooling device and/or the oil return filter.

Optionally, a temperature switch and a thermometer are arranged on the oil tank, one end of the thermometer is inserted into hydraulic oil in the oil tank, and the temperature switch is connected with a power supply of the motor;

and/or, be equipped with level relay and level gauge on the oil tank, the one end of level gauge is inserted in the hydraulic oil in the oil tank, level relay with the power of motor is connected.

Optionally, an air filter is arranged on the oil tank, one end of the air filter is inserted into hydraulic oil in the oil tank, and the other end of the air filter is communicated with outside air.

Drawings

Fig. 1 is a schematic diagram of a package shaper in an embodiment of the present invention.

Description of reference numerals:

1. an oil supply path; 11. an oil tank; 111. a temperature switch; 112. a thermometer; 113. a liquid level relay; 114. a liquid level meter; 115. an air filter; 12. a variable displacement pump; 13. a motor; 14. an overflow valve; 15. a one-way valve; 16. a first pressure gauge; 17. a first pressure tap; 2. an oil return path; 21. an air cooling device; 22. an oil return filter; 3. a shaping mechanism; 31. an electromagnetic directional valve; 32. shaping the oil cylinder; 33. a balancing valve; 34. a pressure reducing valve; 35. hydraulic locking; 36. a double one-way throttle valve; 37. a second pressure tap.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", and the like in the embodiments indicate directional terms, and are used for simplifying the description of the positional relationship based on the drawings of the specification, and do not mean that the components, devices, and the like which are referred to must operate according to the specific orientation and the limited operation and method, configuration, and such directional terms do not constitute a limitation of the present invention.

In addition, the terms "first" and "second" mentioned in the embodiments of the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As shown in fig. 1, an embodiment of the present invention provides a package shaping machine, including an oil supply path 1, an oil return path 2, and a plurality of shaping mechanisms 3, where each shaping mechanism 3 includes an electromagnetic directional valve 31 and a shaping cylinder 32, an outlet of the oil supply path 1 is connected to inlets of the electromagnetic directional valves 31, an outlet of each electromagnetic directional valve 31 is connected to an oil inlet of the corresponding shaping cylinder 32, an oil outlet of the shaping cylinder 32 is connected to the oil return path 2, each shaping cylinder 32 is adapted to be disposed around a package to be shaped, and a piston rod of the shaping cylinder 32 is adapted to extend to extrude the package to be shaped.

In this embodiment, a plurality of the shaping mechanisms 3 may be arranged along the periphery of the package to be shaped, for example, 1, two or more shaping mechanisms may be arranged in the front, rear, left, right, above, left front, right front, and other directions of the package to be shaped, and the number and arrangement direction of the shaping mechanisms 3 may be flexibly selected according to the shape of the package to be shaped. The shaping mechanisms 3 are connected in parallel at the output end of the oil supply channel 1, the movement of the shaping mechanisms is independent, the electromagnetic directional valves 31 of the shaping mechanisms 3 control the corresponding shaping oil cylinders 32 to move towards the direction close to/away from the package to be shaped so as to apply extrusion force to the package to be shaped, the telescopic length of the piston rods of the shaping oil cylinders 32 in all directions is controlled so as to adjust the size of the applied extrusion force, and the shaping mechanisms can be suitable for leveling the packages to be shaped with different thickness sizes. Illustratively, the to-be-reformed package may be a bagged product.

The electromagnetic directional valve 31 adopts a three-position four-way directional valve, and the shaping oil cylinder 32 has two oil ports: the oil outlet of the rodless cavity is an oil outlet; the process of controlling the extension and retraction of the shaping oil cylinder 32 by the electromagnetic directional valve 31 comprises the following steps: when the valve core of the electromagnetic directional valve 31 is arranged at the left position, at the time, the oil supply path 1 is communicated with the oil port of the rod cavity of the shaping oil cylinder 32, the oil port of the rod cavity is an oil inlet, the oil port of the rodless cavity is an oil outlet, the oil port of the rodless cavity is communicated with the oil return path 2, and at the time, the piston rod retracts to move towards the direction far away from the package to be shaped; when the valve core of the electromagnetic directional valve 31 is placed in the middle position, the shaping oil cylinder does not act; when the valve core of the electromagnetic directional valve 31 is arranged at the right position, the oil supply path 1 is communicated with a rodless cavity oil port of the shaping oil cylinder 32, the rodless cavity oil port is an oil inlet, the rod cavity oil port is an oil outlet, the rod cavity oil port is connected with the oil return path 2, and at the moment, the piston rod extends and moves towards the direction close to the package to be shaped so as to extrude the package to be shaped. The extension and retraction of the piston rod of the shaping oil cylinder 32 are controlled by controlling the position of the valve core of the electromagnetic directional valve 31, so that the purpose of adjusting the extrusion force of the package to be shaped is achieved, and the leveling effect is good.

In addition, because the shaping oil cylinders of the shaping mechanisms 3 are respectively arranged in different directions of the packages to be shaped, the extension amounts of the piston rods of the corresponding shaping oil cylinders 32 are controlled by controlling the respective electromagnetic directional valves 31, the size of the space surrounded by the piston rods is flexible and adjustable, the requirements of leveling the packages to be shaped with different sizes are met, and the applicability is strong.

Optionally, the reshaping mechanism 3 is provided with five reshaping cylinders 32 of the reshaping mechanism 3, which are respectively located at the left side, the right side, the front side, the rear side and the top of the package to be reshaped.

In this embodiment, the shaping mechanism 3 is provided with 5: the top shaping mechanism, the left shaping mechanism, the right shaping mechanism, the front shaping mechanism and the rear shaping mechanism are respectively used for leveling the top, the left side, the right side, the front side and the rear side of the package to be shaped. Each shaping mechanism 3 comprises a shaping oil cylinder, and correspondingly, five shaping oil cylinders 32 are arranged, which are respectively as follows: the device comprises a top shaping oil cylinder, a left shaping oil cylinder, a right shaping oil cylinder, a front shaping oil cylinder and a rear shaping oil cylinder. The left shaping oil cylinder, the right shaping oil cylinder, the front shaping oil cylinder and the rear shaping oil cylinder can be small oil cylinders, and the top shaping oil cylinder positioned at the top of the package to be shaped is a large oil cylinder. The moving speed and the moving stroke of the piston rod of the small oil cylinder are smaller than those of the piston rod of the large oil cylinder. The shaping oil cylinder at the top is of a large specification, and the extension/retraction amount of a piston rod of the shaping oil cylinder is large, so that the shaping oil cylinder can be suitable for leveling a package to be shaped with a large thickness.

When the shaping machine works, four small oil cylinders in the front, back, left and right directions are controlled to move towards the middle through the electromagnetic directional valve to extrude a package to be shaped, and then the large oil cylinder at the top is controlled to move downwards to finish final shaping.

The end part of the piston rod of each shaping oil cylinder 32 can be connected with a flat plate, and the flat plate is used for extruding the package to be shaped, so that the contact area between the package to be shaped and the flat plate is increased.

Optionally, one of the shaping mechanisms 3 further includes a pressure reducing valve 34 and a balance valve 33, an outlet of the oil supply path 1 is connected to the electromagnetic directional valve 31 of the shaping mechanism 3 through the pressure reducing valve 34, and the balance valve 33 is disposed between the electromagnetic directional valve 31 and the corresponding shaping cylinder 32.

In this embodiment, the reforming mechanism located at the top of the package to be reformed further includes a pressure reducing valve 34 and a balance valve 33, and the pressure reducing valve 34 is used to reduce the supply pressure of the oil supply path 1 to the reforming cylinder 32. The shaping oil cylinder at the top is a large oil cylinder, the movement speed of a piston rod of the large oil cylinder is high, and when the large oil cylinder moves to be close to the package to be shaped, the pressure reducing valve 34 reduces the pressure of hydraulic oil entering the shaping oil cylinder at the top, so that the piston rod of the shaping oil cylinder at the top slowly extends out to be in slow contact with the package to be shaped, and the impact damage to the package to be shaped is reduced.

The balance valve 33 can ensure that the oil inlet pressure and the oil outlet pressure of the shaping oil cylinder 32 at the top are relatively balanced, and the stability of movement is maintained.

A second pressure measuring joint 37 can be arranged on a connecting pipeline between the balance valve 33 and the shaping oil cylinder 32, and the second pressure measuring joint 37 can be connected with a second pressure gauge, so that the pressure of the hydraulic oil entering the shaping oil cylinder 32 can be conveniently displayed in real time.

Optionally, the rest of the shaping mechanisms 3 further include a hydraulic lock 35, and the hydraulic lock 35 is disposed between the electromagnetic directional valve 31 and the corresponding shaping cylinder 32.

In this embodiment, the shaping cylinders located at the front, rear, left and right of the to-be-shaped package further include hydraulic locks 35, and the hydraulic locks 35 are used to ensure that the piston rod of each corresponding shaping cylinder 32 is locked after extending to a specified length. When the shaping oil cylinders 32 around the package to be shaped move to the right position, the shaping oil cylinders 32 are locked by the corresponding hydraulic locks 35, so that piston rods of the shaping oil cylinders 32 cannot move, the extrusion force applied to the package is kept unchanged within a certain time, and then the shaping oil cylinders 32 on the top are controlled to move downwards to finish shaping.

The shaping mechanism 3 may further include a double one-way throttle valve 36, the double one-way throttle valve 36 is disposed between the electromagnetic directional valve 31 and the shaping cylinder 32, and the flow rate of the hydraulic oil entering and exiting the shaping cylinder 32 is controlled by the double one-way throttle valve 36, so as to achieve the purpose of controlling the telescopic movement speed of the shaping cylinder piston rod.

Optionally, the oil supply path 1 includes an oil tank 11, a variable pump 12 and a motor 13, the motor 13 is connected to the variable pump 12 in a driving manner, an inlet of the variable pump 12 is connected to the oil tank 11, and an outlet of the variable pump 12 is connected to an inlet of each of the electromagnetic directional valves 31.

In this embodiment, the variable pump 12 is a constant pressure variable plunger pump, the motor 13 is connected to the variable pump 12 through a coupling, a bell jar is provided at the connection between the coupling and the variable pump, and the hydraulic oil in the oil tank 11 is supplied to each shaping cylinder 32 through the variable pump 12.

Optionally, the oil supply path 1 further includes an overflow valve 14, and the overflow valve 14 is disposed on a connection line between the outlet of the variable displacement pump 12 and the electromagnetic directional valve 31.

In this embodiment, the relief valve 14 is provided on the connection line between the outlet of the variable displacement pump 12 and the electromagnetic directional valve 31 to improve the safety of the oil supply line, and when the pressure in the oil supply line exceeds the maximum pressure allowed, the relief valve 14 can perform partial pressure so that the pressure in each pipe in the oil supply line is maintained below the maximum pressure, thereby ensuring the safety of the whole oil supply process.

Optionally, the oil return path 2 is connected to the oil tank 11.

In the present embodiment, the hydraulic oil that flows out from the shaping cylinder 32 finally enters the oil tank 11, and the communication circulation between the oil supply passage 1 and the oil return passage 2 is realized.

Optionally, the oil return path 2 includes an air cooling device 21 and/or an oil return filter 22, and an oil outlet of each of the shaping cylinders 32 is connected to the oil tank 11 through the air cooling device 21 and/or the oil return filter 22.

In this embodiment, the air cooling device 21 is configured to reduce the temperature of the hydraulic oil in the oil return path, so as to avoid a use fault and unnecessary potential safety hazard caused by an excessive temperature of the hydraulic oil.

The oil return filter 22 can filter out contaminants generated or entering the system, and prevent the contaminants from entering the oil tank 11 to contaminate the hydraulic oil in the oil tank 11.

Optionally, a temperature switch 111 and a thermometer 112 are arranged on the oil tank 11, one end of the thermometer 112 is inserted into the hydraulic oil in the oil tank 11, and the temperature switch 111 is connected with the power supply of the motor 13;

and/or, be equipped with liquid level relay 113 and level gauge 114 on the oil tank 11, the one end of level gauge 114 is inserted in the hydraulic oil in the oil tank 11, liquid level relay 113 with the power connection of motor 13.

In this embodiment, the thermometer 112 is configured to detect and display a temperature of the hydraulic oil in the oil tank 11, and the temperature switch 111 is configured to control the temperature of the hydraulic oil in the oil tank 11. When the temperature of the oil in the oil tank 11 exceeds a set value, the temperature switch 111 cuts off the power supply of the motor 13 which drives the variable pump 12 to operate, and the variable pump 12 stops operating; when the temperature of the oil in the oil tank 11 is within the normal temperature range, the temperature switch 111 is connected with the power supply of the motor 13, and the variable displacement pump 12 works normally.

The liquid level meter 114 is used for detecting and displaying the height of the hydraulic oil in the oil tank 11, and the liquid level relay 113 is used for controlling the height of the oil level of the hydraulic oil in the oil tank 11. When the oil level in the oil tank 11 exceeds a set value, the liquid level relay 113 cuts off the power supply of the motor 13 driving the variable pump 12 to act, and the variable pump stops working; when the oil level in the oil tank 11 is at a safe height, the liquid level relay 113 is connected with the power supply of the motor 13, and the variable pump 12 can work normally.

Optionally, an air filter 115 is disposed on the oil tank 11, one end of the air filter 115 is inserted into the hydraulic oil in the oil tank 11, and the other end of the air filter 115 is communicated with the outside air.

In this embodiment, during the operation of the shaping cylinder 32, the hydraulic oil in the oil tank 11 is extracted, the pressure in the oil tank 11 is reduced, at this time, the outside air enters the oil tank 11 through the air filter 115, the pressure in the oil tank 11 is adjusted through the air filter 115, and the air filter 115 can filter out impurities in the outside air, so as to prevent the outside air from polluting the hydraulic oil in the oil tank 11 after entering the oil tank.

A one-way valve 15 is further arranged on a connecting pipeline between the variable displacement pump 12 and the electromagnetic directional valve 31, and the one-way valve 15 is used for ensuring that hydraulic oil in the oil supply pipeline 1 can only flow to the shaping mechanism 3 in a single direction. The hydraulic control system is characterized in that a first pressure measuring joint 17 is further arranged on a connecting pipeline between the variable displacement pump 12 and the electromagnetic directional valve 31, the first pressure measuring joint 17 is connected with a first pressure gauge 16, hydraulic oil pressure in the pipeline is detected and displayed through the first pressure measuring joint 17 and the first pressure gauge 16, and an operator can conveniently master site conditions.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications are intended to fall within the scope of the utility model.

Claims

1. The packaging and shaping machine is characterized by comprising an oil supply way (1), an oil return way (2) and a plurality of shaping mechanisms (3), wherein each shaping mechanism (3) comprises an electromagnetic directional valve (31) and a shaping oil cylinder (32), an outlet of the oil supply way (1) is respectively connected with inlets of the electromagnetic directional valves (31), an outlet of each electromagnetic directional valve (31) is connected with an oil inlet of the corresponding shaping oil cylinder (32), an oil outlet of the shaping oil cylinder (32) is connected with the oil return way (2), each shaping oil cylinder (32) is suitable for being arranged around a package to be shaped, and a piston rod of each shaping oil cylinder (32) is suitable for extending to extrude the package to be shaped.

2. The packaging and shaping machine according to claim 1, wherein there are five shaping mechanisms (3), and the shaping cylinders (32) of the five shaping mechanisms (3) are respectively located at the left side, the right side, the front side, the rear side and the top of the package to be shaped.

3. The package trimmer according to claim 1, characterized in that one of the reshaping mechanisms (3) further comprises a pressure reducing valve (34) and a balance valve (33), the outlet of the oil supply channel (1) is connected with the electromagnetic directional valve (31) of the reshaping mechanism (3) through the pressure reducing valve (34), and the balance valve (33) is arranged between the electromagnetic directional valve (31) and the corresponding reshaping cylinder (32).

4. The package trimmer according to claim 3, characterized in that the rest of the trimming mechanisms (3) further comprise hydraulic locks (35), and the hydraulic locks (35) are arranged between the electromagnetic directional valves (31) and the corresponding trimming cylinders (32).

5. The package trimmer according to claim 1, characterized in that the oil supply path (1) comprises an oil tank (11), a variable pump (12) and a motor (13), the motor (13) is connected with the variable pump (12) in a driving manner, an inlet of the variable pump (12) is connected with the oil tank (11), and an outlet of the variable pump (12) is connected with an inlet of each electromagnetic directional valve (31).

6. The package shaping machine according to claim 5, wherein the oil supply path (1) further includes an overflow valve (14), and the overflow valve (14) is provided on a connection line between an outlet of the variable displacement pump (12) and the electromagnetic directional valve (31).

7. The packet shaper according to claim 5, characterized in that the return line (2) is connected to the oil tank (11).

8. The package trimmer according to claim 7, characterized in that the oil return path (2) comprises an air cooling device (21) and/or an oil return filter (22), and the oil outlet of each trimming cylinder (32) is connected with the oil tank (11) through the air cooling device (21) and/or the oil return filter (22).

9. The package shaping machine according to claim 5, wherein a temperature switch (111) and a thermometer (112) are arranged on the oil tank (11), one end of the thermometer (112) is inserted into hydraulic oil in the oil tank (11), and the temperature switch (111) is connected with a power supply of the motor (13);

and/or, be equipped with liquid level relay (113) and level gauge (114) on oil tank (11), the one end of level gauge (114) is inserted in the hydraulic oil in oil tank (11), liquid level relay (113) with the power of motor (13) is connected.

10. The package shaping machine according to claim 5, wherein an air filter (115) is arranged on the oil tank (11), one end of the air filter (115) is inserted into the hydraulic oil in the oil tank (11), and the other end of the air filter (115) is communicated with the outside air.