CN109605649B

CN109605649B - Automatic filling device of polyurethane foaming material

Info

Publication number: CN109605649B
Application number: CN201811251358.6A
Authority: CN
Inventors: 韦荣飞; 刘培艳
Original assignee: Nantong Forward Intelligent Manufacturing Co ltd
Current assignee: Nantong Forward Intelligent Manufacturing Co ltd
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2020-11-24
Anticipated expiration: 2038-10-25
Also published as: CN109605649A

Abstract

The invention discloses an automatic filling device for a polyurethane foaming material, which comprises a platform support, a transverse moving assembly, a filling device, a position monitoring device and a control device, wherein the transverse moving assembly comprises a moving base and a driving device, the moving base is movably arranged on the platform support, the filling device is fixedly arranged on the moving base, the driving device is in driving connection with the moving base and drives the moving base to move along the platform support, the position monitoring device is arranged on the platform support, the control device is connected with the driving device, the position monitoring device and the filling device, the driving device is controlled to drive the moving base and the filling device fixed on the moving base to reciprocate and move to a set position, and the filling device can be controlled to reciprocate up and down and complete filling work. According to the automatic filling device for the polyurethane foaming material, disclosed by the invention, the full-automatic accurate control of the filling process of the polyurethane foaming material can be realized, the environmental protection is promoted, the production efficiency is improved, and the labor cost is reduced.

Description

Automatic filling device of polyurethane foaming material

Technical Field

The invention relates to corollary equipment of polyurethane foaming equipment, in particular to an automatic polyurethane foaming material filling device.

Background

At present, the application range of polyurethane foaming materials is wider and wider, and particularly, the requirement on the filling efficiency of the polyurethane foaming materials is higher and higher in the production of polyurethane tires. Under the general condition, when polyurethane foaming equipment foams polyurethane, need artifical hand-held notes material rifle head to aim at the notes material hole of mould and annotate the material, workman's intensity of labour is very big, takes trouble hard, and foaming material direct and workman's contact has certain harm to the human body. Therefore, a device capable of automatically filling the polyurethane foaming material is needed.

CN 207724703U discloses an automatic injection device for polyurethane foaming, which comprises a high-pressure foaming machine, a bracket and a moving vehicle on the bracket; the moving vehicle is provided with a driving device for driving the moving vehicle to move on the track, a platform is arranged above the moving vehicle, one side of the platform is connected with a connecting frame, the lower end of the connecting frame is provided with a moving mechanism, and the bottom of the moving mechanism is fixed with an injection gun head; the high-pressure foaming machine is connected with the injection gun head through a pipeline, and the rear section of the pipeline is provided with a drag chain; the moving mechanism comprises a lifting component which is arranged at the lower end of the connecting frame and drives the injection gun head to move up and down and a horizontal moving component which is connected with the lower end of the lifting component and drives the injection gun head to move back and forth, and the polyurethane foaming automatic injection device can flexibly drive the injection gun head to move left and right, up and down and back and forth through the moving vehicle by combining electrification control, and accurately position and inject foaming materials.

The automatic injection device can only realize semi-automatic injection of polyurethane foaming materials, wherein the process of aligning the injection gun head to a module to be injected cannot be automatically controlled, manual monitoring is needed to ensure the alignment accuracy, manpower is consumed, the automatic injection is realized only by controlling the left, right, up and down and front and back movement of the injection gun head, the problem of inaccurate positioning still exists, the foaming materials leak to cause environmental pollution, or the injection amount of the foaming materials in the module is not enough to influence the quality of a mould. In addition, the device is difficult to realize that the injection gun head and the mould needing to be filled are filled with the injection and are followed, and the production efficiency is not high.

Therefore, a new automatic filling device for polyurethane foam materials is needed, which can realize full-automatic control and accurate positioning of polyurethane foam material filling and can realize following filling.

Disclosure of Invention

The invention aims to provide an automatic polyurethane foam material filling device capable of meeting the requirements.

In order to achieve the above object, according to the present invention, there is provided an automatic filling apparatus for a polyurethane foam, comprising: the horizontal moving assembly comprises a moving base and a driving device, the moving base is movably arranged on the platform support, the driving device is in driving connection with the moving base and drives the moving base to move along the platform support, the filling device is fixedly arranged on the moving base and is used for filling polyurethane foaming materials into a mold to be filled, which is arranged below the platform support, the position monitoring device is arranged on the platform support, used for monitoring the position information of the movable base, the control device is connected with the driving device, the position monitoring device and the filling device, the device is used for receiving signals transmitted by the position monitoring device, controlling the driving device to drive the movable base to drive the filling device to reciprocate and move to a set position, and also controlling the filling device to reciprocate up and down and finish filling work.

Furthermore, cylindrical slide rails are arranged on two sides of the platform support along the moving direction of the moving base, a plurality of slide blocks are fixedly arranged on two sides of the bottom surface of the moving base corresponding to the cylindrical slide rails, and the moving base is arranged on the cylindrical slide rails in a sliding mode through the slide blocks.

Further, the filling device comprises a first supporting bracket, a first air cylinder and a filling machine head, wherein the first supporting bracket is fixedly connected to the moving base, the first air cylinder is fixedly connected with the first supporting bracket, and the free end of a piston rod of the first air cylinder is fixedly connected with the filling machine head so as to drive the filling machine head to reciprocate up and down to a preset position.

Furthermore, the filling device further comprises two sets of first sliding tables, the two sets of first sliding tables are respectively arranged on the inner walls of the two sides of the first support bracket and correspond to the filling machine head, and the filling machine head is movably connected with the first sliding tables.

Further, the automatic polyurethane foam material filling device further comprises an access device, the access device comprises a second supporting bracket, a second air cylinder, an access rod and an access block, the second supporting bracket is fixedly connected to the moving base, the second air cylinder is fixedly installed on the second supporting bracket, the free end of a piston rod of the second air cylinder is fixedly connected with the upper end of the access rod to drive the access rod to reciprocate up and down, the access block is installed at the bottom end of the access rod, and the control device is connected with the access device to control the second air cylinder to move.

Furthermore, the access device further comprises a second sliding table, the second sliding table is arranged at a position, corresponding to the access rod, on the second supporting bracket, and the access rod is movably connected with the second sliding table.

Further, drive arrangement is including setting up motor, worm gear speed reducer, the speed reducer output shaft that drives in proper order in platform support one end, has set gradually the action wheel on the speed reducer output shaft, further including setting up in the platform support other end from the driving wheel, the action wheel with pass through the hold-in range from the driving wheel and be connected, the both ends fixed connection of hold-in range in the removal base to make the motor pass through the hold-in range drive and remove the base.

Furthermore, an electromagnetic clutch is further arranged on the output shaft of the speed reducer, the control device is connected with the electromagnetic clutch, the electromagnetic clutch is controlled to act by connecting and disconnecting a power supply of the electromagnetic clutch, the driving wheel is fixedly connected with the electromagnetic clutch, and when the electromagnetic clutch is electrically connected, the rotation of the output shaft of the speed reducer is transmitted to the driving wheel.

Further, position monitoring device includes encoder, driving gear, driven gear, and the driving gear with follow the coaxial fixed connection of driving wheel, driven gear is connected with the encoder, driving gear and driven gear cooperation, when rotating from the driving wheel, the driving gear drives driven gear and rotates to make the encoder acquire moving baseplate's positional information.

Further, the control device comprises a position sensor and a PLC (programmable logic controller), the position sensor is used for measuring and feeding back the position of the mold to be filled, and the PLC is used for processing and calculating signals fed back by the position sensor and the encoder and controlling the motor, the first air cylinder, the second air cylinder and the electromagnetic clutch to act.

The invention has the advantages that:

1. compared with the existing automatic polyurethane foaming injection device, the automatic polyurethane foaming injection device is provided with the position monitoring device and the control device, the control device controls the displacement of the filling device according to the received position signal of the filling device transmitted by the position monitoring device by sensing the position of a mold to be filled below the automatic filling device, so that the full-process automatic control of the accurate positioning of the filling device is realized, the labor cost is reduced, and the production efficiency is improved.

2. Compared with the existing automatic polyurethane foaming injection device, the automatic polyurethane foaming injection device is provided with the access device, when the control device controls the filling device to move to the preset position, the access block in the access device is matched with the corresponding position of the mold, so that more accurate positioning can be realized, the mold to be filled is driven by the access rod to realize follow-up filling, and the working quality and the working efficiency are improved.

Drawings

The above-mentioned other features and advantages of the present invention will become more apparent to those of ordinary skill in the art by describing in detail exemplary embodiments thereof with reference to the attached drawings, in which:

fig. 1 is a schematic structural view of an automatic polyurethane foam filling device in an embodiment of the present invention.

Fig. 2 is a top view of the lateral moving assembly of the automatic polyurethane foam filling apparatus according to the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a filling device of the automatic polyurethane foam filling device in the embodiment of the invention.

Fig. 4 is a front view of a filling device of the automatic polyurethane foam filling device in the embodiment of the invention.

Fig. 5 is a schematic structural diagram of an access device of an automatic polyurethane foam filling device in the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a driving device of an automatic polyurethane foam filling device in an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a position monitoring device of an automatic polyurethane foam filling device in the embodiment of the present invention.

Wherein the reference numerals are:

100. a platform support; 200. a position monitoring device; 300. a filling device; 400. an access device; 500. a lateral movement assembly; 600. a control device; 210. a driven wheel bracket; 220. a driven wheel; 230. a driving gear; 240. a driven gear; 250. an encoder support; 260. an encoder; 310. a first support bracket; 311. a through hole; 320. a first cylinder; 330. a first sliding table; 340. filling a machine head; 410. a second support bracket; 420. a second cylinder; 430. a second sliding table; 440. an access rod; 450. an access block; 510. a drive device; 511. a motor; 512. a worm gear reducer; 513. a speed reducer bracket; 514. an output shaft of the reducer; 515. an electromagnetic clutch; 516. a driving wheel; 517. a synchronous belt; 520. a movable base; 530. a cylindrical slide rail; 540. a slide block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples.

In the embodiment of the present invention, as shown in fig. 1 and 2, the automatic filling apparatus for a polyurethane foam in the embodiment includes: the horizontal moving assembly 500 comprises a moving base 520 and a driving device 510, the moving base 520 is movably arranged on the platform support 100, the driving device 510 is in driving connection with the moving base 520 and drives the moving base 520 to move along the platform support 100, the filling device 300 is fixedly arranged on the moving base 510 and is used for filling polyurethane foam into a mold to be filled, which is arranged below the platform support 100, the position monitoring device 200 is arranged on the platform support 100 and is used for monitoring the position information of the moving base 520, the control device 210 is connected with the driving device 510, the position monitoring device 200 and the filling device 300 and is used for receiving signals transmitted by the position monitoring device 200 and controlling the driving device 510 to drive the moving base 520 to drive the filling device 300 to reciprocate and move to a set position, the filling device 300 can also be controlled to reciprocate up and down and complete the filling work. When the mold to be filled moves to a fixed position below the platform support 100 along with the conveyor belt of the production line, the position monitoring device 200 monitors the position of the movable base 520 and sends a position signal to the control device 210, the control device 210 generates a control signal according to the position information of the mold to be filled obtained through sensing and the position signal sent by the position monitoring device 200, the control signal is output to the driving device 510, and the driving device 510 drives the movable base 520 and the filling device fixed on the movable base 520 to move to the position above the mold to be filled, so that the filling work is completed. Therefore, the full-automatic control that the filling device 300 moves to the mold to be filled and accurately completes the filling work is realized, and the working efficiency of filling the polyurethane foaming material in the production line is improved.

Preferably, as shown in fig. 2, in the present embodiment, the two sides of the platform support 100 are respectively provided with a cylindrical slide rail 530 along the moving direction of the moving base 520, two sides of the bottom surface of the moving base 520 are fixedly provided with a plurality of sliding blocks 540 corresponding to the positions of the cylindrical slide rails 530, and the moving base 520 is slidably disposed on the cylindrical slide rails 530 through the sliding blocks 540.

Preferably, as shown in fig. 3 and 4, the filling device 300 in this embodiment includes a first support bracket 310, a first cylinder 320, and a filling head 340, where the first support bracket 310 is a door-shaped frame and is fixedly connected to a moving base 520, the first cylinder 320 is fixedly disposed on a cross beam of the first support bracket 310 through a bolt, a through hole 311 is disposed at a fixed connection position of the first support bracket 310 and the first cylinder 320, a piston rod of the first cylinder 320 extends out of the through hole 311 when moving downward, and a free end of the piston rod passes through the through hole 311 and is fixedly connected to the filling head 340.

In order to improve the stability of the up-and-down movement of the filling machine head 340 driven by the first cylinder 320, thereby ensuring the filling quality and the filling efficiency, the filling device 300 in this embodiment further includes a first sliding table 330, the first sliding table 330 is respectively disposed on the inner walls of the two sides of the first support bracket 310 corresponding to the positions of the filling machine head 340, and the filling machine head 340 is movably connected with the first sliding table 330.

Preferably, as shown in fig. 5, in this embodiment, the automatic polyurethane foam filling device further includes an access device 400, the access device 400 includes a second support bracket 410, a second cylinder 420, an access rod 440, and an access block 450, the second support bracket 410 is fixedly connected to the moving base 520, the second cylinder 420 is fixedly installed on the second support bracket 410, a free end of a piston rod of the second cylinder 420 is fixedly connected to an upper end of the access rod 440 through an intermediate connector or directly, the second cylinder 420 acts to drive the access rod 440 to reciprocate up and down, the access block 450 is installed at a bottom end of the access rod 440, and the control device 600 is connected to the access device 400 to control the second cylinder 420 to act.

In order to improve the stability of the up-and-down movement of the access rod 440 driven by the second cylinder 420, the access device 400 in this embodiment further includes a second sliding table 430, the second sliding table 430 is disposed on the second support bracket 410 and corresponds to the access rod 440, and the access rod 440 is movably connected to the second sliding table 430.

After the filling device 300 and the access device 400 are positioned above a mold with filling to realize coarse positioning, the control device 210 supplies air to the second air cylinder 420 in the access device 400 through the air pipe to control the second air cylinder 420 to act, the access rod 440 moves downwards, the access block 450 is clamped with a concave shape on a module to be filled, which is in the same shape as the access block 450, so as to realize fine positioning, after the positioning is finished, the control device 210 supplies air to the first air cylinder 320 in the filling device 300 through the air pipe to control the first air cylinder 320 to act, the filling machine head 340 moves downwards, after the module to be filled is operated to a preset position, the filling machine head 340 extends into the mold to be filled to start filling, after the filling is finished, the control device 210 stops supplying air to the first air cylinder 320, the first air cylinder 320 resets, the filling machine head 340 moves upwards, and the filling work is finished.

Preferably, as shown in fig. 6, in this embodiment, the driving device 510 includes a motor 511, a worm and gear reducer 512, a reducer support 513, a reducer output shaft 514, a driving wheel 516, and a synchronous belt 517, the reducer support 513 is fixedly installed at the first end of the platform support 100, the worm and gear reducer 512 is fixedly connected to the reducer support 513, the motor 511, the worm and gear reducer 512, and the reducer output shaft 514 are sequentially arranged in a transmission manner, the driving wheel 516 is fixedly installed on the reducer output shaft 514, a driven wheel support 210 is installed at the second end of the platform support 100 corresponding to the first end of the platform support 100, the driven wheel support 210 is a U-shaped support, the driven wheel support includes spindle seats arranged at two sides oppositely and a spindle arranged between the two spindle seats, the driven wheel is sleeved on the spindle, the spindle is parallel to the reducer output shaft 514, the driving wheel 516 is, the two ends of the synchronous belt 517 are fixedly connected to the movable base 520, and the connection points are located on the same straight line. The control device 600 controls the motor 511 in the driving device 510 to work, and the motor 511 drives the reducer output shaft 514 and the driving wheel 516 to rotate through the worm gear reducer 512, further driving the driven wheel 220 to rotate and the moving base 520 to move along the platform support 100.

If the following filling can be realized in the automatic filling process of the polyurethane foam material, namely the filling machine head 340 moves along with the mold in the filling process, the filling work is completed in the moving process, and the production efficiency can be improved. However, the filling die and the filling machine head 340 are respectively driven by respective power, and filling following can be realized if the speed in the two moving processes is the same. In fact, the speed is difficult to be identical, and when there is a difference in speed between the movement of the filling die and the filling head 340, a stress is generated. The presence of this stress can cause additional wear and impact to the filler head 340 and the mold, which can lead to reduced stability and accuracy of the filling apparatus. In this embodiment, an electromagnetic clutch 515 may be further mounted on the output shaft 514 of the speed reducer, the electromagnetic clutch 515 is fixedly disposed on the output shaft 514 of the speed reducer, the driving wheel 516 is fixedly connected with the electromagnetic clutch 515, the control device 600 is connected with the electromagnetic clutch 515, the electromagnetic clutch is controlled to operate by switching on and off the power supply of the electromagnetic clutch 515, when the electromagnetic clutch is electrically connected, the rotation of the output shaft of the speed reducer is transmitted to the driving wheel to drive the moving base 520 to reciprocate, when the filling machine head 340 is completely butted with the mold to be filled, the control device 600 switches off the power supply of the electromagnetic clutch 515 to control the electromagnetic clutch 515 to disconnect the power of the filling machine head 340, and the mold to be filled drives the filling machine head 340 to move, so that stress caused by a speed difference can be avoided, and thus.

Preferably, as shown in fig. 7, in this embodiment, the position monitoring device 200 includes an encoder 260, an encoder bracket 250, a driving gear 230, and a driven gear 240, the driving gear 230 is coaxially and fixedly connected with the driven wheel 220, a position of the encoder bracket 250 near a first end is fixedly connected to an upper end of one side of the driven wheel bracket 210 through a plurality of bolts, the encoder 260 is fixedly connected to a position of the encoder bracket 250 near a second end through bolts, the driven gear 240 is connected with the encoder 260, the driving gear 230 is engaged with the driven gear 220, when the driven wheel 220 rotates, the driving gear 230 drives the driven gear 220 to rotate, the driven gear 220 drives a shaft of the encoder 260 to rotate, and the encoder 260 records a rotation angle of the shaft and transmits an angle signal to the.

Preferably, the control device 600 in this embodiment includes a position sensor 610 and a PLC controller 620, where the position sensor 610 is used for sensing and feeding back the position of the mold to be filled, and the PLC controller 620 is used for processing and calculating signals fed back by the position sensor 610 and the encoder 260, and controlling the motor 511, the first cylinder 320, the second cylinder 420, and the electromagnetic clutch 515 to operate, so as to implement full-automatic control, precise positioning, and following filling of the polyurethane foam filling work.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic polyurethane foam material filling device comprises a platform support, a transverse moving assembly and a filling device, wherein the transverse moving assembly comprises a moving base and a driving device, the moving base is movably arranged on the platform support, the driving device is in driving connection with the moving base and drives the moving base to move along the platform support, and the filling device is fixedly arranged on the moving base and is used for filling a polyurethane foam material into a mold to be filled, which is placed below the platform support; the control device is connected with the driving device, the position monitoring device and the filling device and used for receiving signals transmitted by the position monitoring device, controlling the driving device to drive the moving base to drive the filling device to reciprocate along the platform support and move to a set position, and also controlling the filling device to reciprocate up and down and complete filling work; the driving device comprises a motor, a worm and gear speed reducer and a speed reducer output shaft which are arranged at one end of the platform support and sequentially driven, wherein a driving wheel is arranged on the speed reducer output shaft; the speed reducer is characterized in that an electromagnetic clutch is further fixedly arranged on the output shaft of the speed reducer, the control device is connected with the electromagnetic clutch, the electromagnetic clutch is controlled to act by connecting and cutting off a power supply of the electromagnetic clutch, the driving wheel is fixedly connected with the electromagnetic clutch, and when the electromagnetic clutch is electrically connected, the rotation of the output shaft of the speed reducer is transmitted to the driving wheel.

2. The automatic filling apparatus for polyurethane foam according to claim 1, wherein the two sides of the platform support are respectively provided with a cylindrical slide rail along the moving direction of the moving base, the two sides of the bottom surface of the moving base are respectively fixedly provided with a plurality of slide blocks corresponding to the positions of the cylindrical slide rails, and the moving base is slidably arranged on the cylindrical slide rails on the two sides of the platform support through the plurality of slide blocks.

3. The automatic filling device of polyurethane foam according to claim 1, wherein the filling device comprises a first support bracket, a first air cylinder and a filling machine head, the first support bracket is fixedly connected to the movable base, the first air cylinder is fixedly connected to the first support bracket, and a free end of a piston rod of the first air cylinder is fixedly connected to the filling machine head so as to drive the filling machine head to reciprocate up and down.

4. The automatic polyurethane foam material filling device according to claim 3, further comprising two sets of first sliding tables, wherein the two sets of first sliding tables are respectively arranged on the inner walls of the two sides of the first support bracket and correspond to the filling machine head, and the filling machine head is movably connected with the two sets of first sliding tables.

5. The automatic filling device of polyurethane foam according to claim 1, further comprising an access device, wherein the access device comprises a second support bracket, a second cylinder, an access rod, and an access block, the second support bracket is fixedly connected to the movable base, the second cylinder is fixedly mounted on the second support bracket, a free end of a piston rod of the second cylinder is fixedly connected to an upper end of the access rod to drive the access rod to reciprocate up and down, the access block is mounted at a bottom end of the access rod, and the control device is connected to the cylinder in the access device.

6. The automatic polyurethane foam filling device of claim 5, wherein the access device further comprises a second sliding table, the second sliding table is arranged on the second support bracket at a position corresponding to the access rod, and the access rod is movably connected with the second sliding table.

7. The automatic filling device of polyurethane foam according to claim 1, wherein the position monitoring device includes an encoder, a driving gear, and a driven gear, the driving gear is coaxially and fixedly connected with the driven wheel, the driven gear is connected with the encoder, the driving gear is engaged with the driven gear, and when the driven wheel rotates, the driving gear drives the driven gear to rotate, so that the encoder obtains the position information of the movable base.

8. The automatic filling device of polyurethane foam according to claim 7, wherein the control device comprises a position sensor and a PLC controller, the position sensor is used for measuring and feeding back the position of the mold to be filled, and the PLC controller is used for processing and calculating the signals fed back by the position sensor and the encoder and controlling the motor, the first air cylinder, the second air cylinder and the electromagnetic clutch to act.