Multi-section balance wheel control conveying platform for EVA (Ethylene Vinyl Acetate) rubber sheets

Abstract

The utility model relates to a multi-section balance wheel control conveying platform for EVA (Ethylene Vinyl Acetate) rubber sheets, which comprises a balance wheel conveying platform, a photoelectric switch and a controller, and the balance wheel conveying platform comprises at least two groups of basic balance wheel conveying platforms and at least one group of auxiliary balance wheel conveying platforms; the balance wheel conveying platforms are sequentially connected end to end from back to front, and are independently controlled balance wheel conveying platforms; the controller is in electric control connection with the basic balance wheel conveying platform; and a photoelectric switch is mounted at the inlet end of each group of balance wheel conveying platform. The balance wheel conveying platform has the advantages that the design is ingenious, the structure is reasonable and compact, the balance wheel conveying platforms capable of independently operating are controlled through the controller, one set of balance wheel conveying platforms are independently driven and deflected, or multiple sets of adjacent balance wheel conveying platforms are combined to synchronously drive and deflect; through cooperation of multiple groups of balance wheel conveying platforms, automatic and stable discharging of EVA rubber sheets with different lengths is achieved, and the phenomena of scattering and the like are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to EVA rubber sheet material unloading field, concretely relates to a kind of EVA rubber sheet material multi-section balance wheel control conveying platform. BACKGROUND

[0002] EVA rubber sheet material is a kind of multifunctional, high-performance synthetic material, is widely used in various industries. With the progress of technology and the growth of market demand, its application range will continue to expand.

[0003] At present, EVA rubber sheet material production process, after the last forming is conveyed by balance wheel conveying platform and unloaded, but EVA rubber sheet material production process has long and short, and the unloading demand of EVA rubber sheet material of different lengths is different, the common balance wheel conveying platform cannot meet the demand of long and short change, resulting in unloading position not accurate, easy to scatter, need to be arranged artificially, time-consuming and laborious, cannot meet the production demand. UTILITY MODEL CONTENT

[0004] In order to solve the above technical problems, the utility model provides a kind of EVA rubber sheet material multi-section balance wheel control conveying platform, clever design, reasonable and compact structure, can satisfy the accurate unloading demand of EVA rubber sheet material of different lengths.

[0005] The technical scheme of the utility model:

[0006] A kind of EVA rubber sheet material multi-section balance wheel control conveying platform, including balance wheel conveying platform, photoelectric switch, wheel type rotary encoder and controller, balance wheel conveying platform includes at least two groups of basic balance wheel conveying platform and at least one group of auxiliary balance wheel conveying platform;The at least two groups of basic balance wheel conveying platform are sequentially connected from back to front, and the at least one group of auxiliary balance wheel conveying platform is also sequentially connected with the front side of the first basic balance wheel conveying platform;The at least two groups of basic balance wheel conveying platform and at least one group of auxiliary balance wheel conveying platform are independently controlled balance wheel conveying platform;Controller is electrically connected with at least two groups of basic balance wheel conveying platform and at least one group of auxiliary balance wheel conveying platform respectively;The entrance end side position of each group of balance wheel conveying platform is respectively provided with a photoelectric switch, each group of photoelectric switch is electrically connected with controller by wire, the photoelectric switch of first group of balance wheel conveying platform is provided with a wheel type rotary encoder above, and the wheel type rotary encoder is electrically connected with controller by wire;Controller further includes man-machine interface, and controller is electrically connected with man-machine interface by wire.

[0007] The basic balance wheel conveying platform is two groups, and the auxiliary balance wheel conveying platform is provided with three groups.

[0008] The multi-section pendulum control conveying platform of the EVA rubber sheet further comprises a feeding and receiving frame, which is installed at a front side of the at least one group of auxiliary pendulum conveying platforms or at one side or both sides of the at least one group of auxiliary pendulum conveying platforms and the at least two groups of basic pendulum conveying platforms.

[0009] The basic pendulum conveying platform and the auxiliary pendulum conveying platform are the same in structure and each comprises a box body, a plurality of groups of pendulums, a driving motor and a connecting rod assembly, the plurality of groups of pendulums are uniformly arranged in the box body, and the driving motor drives the plurality of groups of pendulums through the connecting assembly; a controller is electrically connected to each driving motor; and the pendulums in the plurality of groups of pendulums are electric roller pendulums, each electric roller pendulum is electrically connected to the controller through a wire.

[0010] The driving motor is a servo motor.

[0011] The adjacent two or more groups of basic pendulum conveying platforms are integrated and synchronously rotated, and the adjacent two or more groups of auxiliary pendulum conveying platforms are integrated and synchronously rotated.

[0012] The EVA rubber sheet conveying platform has the advantages of ingenious design, reasonable and compact structure, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a perspective view of the EVA rubber sheet conveying platform of the utility model Figure 1 .

[0014] Figure 2 is a top view of the pendulum conveying platform combination of the utility model.

[0015] Figure 3 is a schematic view of the controller electrically connected to the utility model.

[0016] Figure 4 is a schematic view of the driving motor of the pendulum conveying platform of the utility model.

[0017] Figure 5 is a local simplified schematic view of the driving connecting rod assembly of the driving motor of the pendulum conveying platform of the utility model.

[0018] Figure 6 is a perspective view of the EVA rubber sheet conveying platform of the utility model Figure 2 .

[0019] Figure 7It is a partial perspective view of the blanking and receiving frame of the utility model.

[0020] Figure 8 It is a partial front view of the blanking and receiving frame of the utility model.

[0021] Figure 9 It is a schematic view of the fence of the blanking and receiving frame of the utility model. DETAILED DESCRIPTION

[0022] Refer to the attached Figures 1-5 The multi-section balance wheel control conveying platform comprises a balance wheel conveying platform 4, a photoelectric switch 10, a wheel type rotary encoder 50 and a controller 20, the balance wheel conveying platform 4 comprises at least two groups of basic balance wheel conveying platforms 401 and at least one group of auxiliary balance wheel conveying platforms 402; the at least two groups of basic balance wheel conveying platforms 401 are sequentially connected in a head-to-tail mode from back to front, and the at least one group of auxiliary balance wheel conveying platforms 402 are also sequentially connected to the front side of the foremost basic balance wheel conveying platform 401; the at least two groups of basic balance wheel conveying platforms 401 and the at least one group of auxiliary balance wheel conveying platforms 402 are independently controlled balance wheel conveying platforms 4; the controller 20 is electrically connected to the at least two groups of basic balance wheel conveying platforms 401 and the at least one group of auxiliary balance wheel conveying platforms 402; each group of balance wheel conveying platforms 401 is provided with a photoelectric switch 10 at an entrance end position, and each group of photoelectric switches 10 is electrically connected to the controller 20 through wires. A wheel type rotary encoder 50 is arranged above the photoelectric switch 10 of the first group of balance wheel conveying platforms, and the wheel type rotary encoder 50 is electrically connected to the controller through wires. The controller 20 further comprises a man-machine interface 201, and the controller 20 is electrically connected to the man-machine interface 201 through wires.

[0023] The basic balance wheel conveying platform 401 is two groups, and the auxiliary balance wheel conveying platform 402 is provided with three groups or four groups.

[0024] The basic balance wheel conveying platform 401 and the auxiliary balance wheel conveying platform 402 have the same structure and comprise a box body 4011, a plurality of groups of balance wheels 4012, a driving motor 4013 and a connecting rod assembly 4014; the box body 4011 is uniformly provided with a plurality of groups of balance wheels 4012, and the driving motor 4013 uniformly drives the plurality of groups of balance wheels 4012 through a connecting assembly; the controller 20 is electrically connected to each driving motor 4013; the balance wheel in the plurality of groups of balance wheels 4012 is an electric roller balance wheel, and each electric roller balance wheel is electrically connected to the controller 20 through wires; and the driving motor 4013 is a servo motor. The driving motor drives the connecting rod assembly to drive the plurality of groups of balance wheels to deflect, which is prior art, for example, described in patent CN202020027388.5, and the utility model is simply described.

[0025] The EVA rubber sheet multi-section pendulum control conveying platform further comprises a blanking and receiving frame 30, which is installed at a front side position of at least one set of auxiliary pendulum conveying platform 402 or at one side or both sides of at least one set of auxiliary pendulum conveying platform 402 and at least two sets of basic pendulum conveying platform 401.

[0026] Referring to the drawings Figures 6-9 The blanking and receiving frame 30 comprises a rack 1, a receiving rack 2 and a fence 3, the receiving rack 2 is obliquely installed on the upper end of the rack 1, and the rack 1 is arranged at one side or both sides of the pendulum conveying platform 4; the receiving rack 2 is obliquely downward away from one side of the pendulum conveying platform 4; and the fence 3 is arranged at one side and the front side of the receiving rack 2 away from the pendulum conveying platform 4. The receiving rack is obliquely installed, so that the falling EVA rubber sheet slides to the obliquely downward side under the action of gravity inertia, and the fence blocks and arranges the EVA rubber sheet in order, without manual arrangement, thereby reducing the labor degree and improving the production efficiency. The receiving part of the utility model is arranged at both sides of the pendulum conveying platform, forms two left and right stations, and receives the material at both sides at the same time, thereby improving the blanking efficiency. The blanking and receiving frame further comprises a blowing mechanism 5, which is installed at one side of the rack 1 close to the pendulum conveying platform 4, the blowing mechanism 5 is located above the receiving rack 2, and the blowing port of the blowing mechanism 5 faces away from one side of the pendulum conveying platform 4. The blowing mechanism 5 comprises a bellows 51 and a support arm 52, a circular pipe is installed at the inner side of each end of the bellows 51, the circular pipe is connected to the upper end of the support arm 52 in a damping rotation mode, the lower end of the support arm 52 is connected to the upper surface of the rack 1 in a damping rotation mode, and a strip-shaped blowing port 53 is arranged on the outer side of the bellows 51. The blowing mechanism is designed to assist in blowing the EVA rubber sheet forward, so that the EVA rubber sheet falls to the required position, and the blanking is more stable and neat. The bellows can be adjusted in a rotating mode relative to the support arm, and the support arm can also be adjusted in a rotating mode relative to the rack. Since the rotating modes are all damping, the bellows and the support arm can rotate under the action of external force and are fixed when not under force, so that the blowing angle after adjustment is stable. The connection between the circular pipes of the bellows and the input connection of one end of the air pipe are all prior art, and the utility model is simply described and shown.

[0027] The rack 1 is designed as an L-shaped frame, the L-shaped frame comprises a horizontal frame 11 and a vertical frame 12, the material receiving frame 2 is designed as a rectangular frame, one side of the material receiving frame 2 is rotatably installed on the inner side of the vertical frame 12 of the L-shaped frame, the other side of the material receiving frame 2 is rotatably connected to the horizontal frame 11 through a telescopic part 21, the front end of the telescopic part 21 is rotatably connected to the other side of the material receiving frame 2, and the rear end of the telescopic part 21 is rotatably connected to the inner side of one end of the horizontal frame 11 close to the vertical frame 12. The telescopic part is one of a telescopic air cylinder, a telescopic oil cylinder and an electric telescopic cylinder. The material receiving frame is designed as an adjustable mounting structure, the inclination angle of the material receiving frame on the rack is adjusted through the telescopic action of the telescopic part, the material receiving demand of the EVA rubber sheet is met, and orderly arrangement is ensured. Support feet can be designed below the horizontal frame of the rack for support and fixation.

[0028] The material receiving frame 2 is designed as a rectangular frame, a plurality of vertical inverted U-shaped frames 22 are uniformly installed on the upper end of the rectangular frame, gaps 23 are left between adjacent vertical inverted U-shaped frames 22, and the gaps 23 are outwardly directed to the side away from the balance wheel conveying platform 4. A plurality of vertical through holes 24 are uniformly designed on the upper end of the vertical inverted U-shaped frame 22, the interval between the two vertical through holes 24 of adjacent vertical inverted U-shaped frames 22 is the same as the interval between the two adjacent vertical through holes 24 on the upper end of each vertical inverted U-shaped frame 22. A plurality of insertion rods 31 are installed at the lower end of the fence 3, and the interval between adjacent insertion rods 31 is also the same as the interval between the two adjacent vertical through holes 24 on the upper end of each vertical inverted U-shaped frame 22. The fence 3 is inserted on the upper end of the frontmost vertical inverted U-shaped frame 22 through the insertion rods 31, and the fence 3 is inserted in the outermost vertical through hole 24 of the adjacent vertical inverted U-shaped frame 22 through the insertion rods 31. The design of the gaps 23 and the pluggable design of the fence facilitate the insertion of the forklift into the gaps and the taking away of the stacked sheets, and after the taking away, the fence can be inserted back. The fence 3 can also be inserted on the upper end of any vertical inverted U-shaped frame 22 in the middle. The insertion of the fence on the upper end of the material receiving frame in the middle position on one side is selected according to the size of different sheets, so that the material receiving frame on one side can be divided into two material receiving stations. The fence is designed as a rectangular frame, and a plurality of vertical supports are used for vertical support in the middle, which is the prior art and is simply described in the utility model. The inner side upper end of the adjacent vertical inverted U-shaped frames 22 is connected through a cross brace, a guide rod 25 is installed in the middle of the inner side of the cross brace, and the guide rod 25 is parallel to the upper end of the vertical inverted U-shaped frame 22. Downward inclined guide plates 41 are respectively installed on the upper surfaces of the two sides of the balance wheel conveying platform 4. The guide plates are designed to assist the smooth and stable sheet unloading. The guide plates are located above the blowing mechanism, and the blowing mechanism cooperates with the blowing auxiliary guide effect to achieve better blowing auxiliary guide effect.

[0029] The utility model discloses a blanking receiving frame framework uses, the balance wheel conveying platform is in turn conveyed to the receiving frame in left and right sides or one side EVA rubber sheet, when EVA rubber sheet falls from the balance wheel conveying platform, can first through the guide plate and carry out blanking orientation, and the air blowing mechanism also carries out air blowing auxiliary to EVA rubber sheet outside, and EVA rubber sheet then continues to slide and falls on the receiving frame top, under the gravity inertia effect of itself, slides down along the receiving frame top of inclination, and is stopped on the fence outside and front side, and is automatically adjusted neat, and such is in turn stacked, after finishing, pulls out the fence outside, and then is inserted from the gap of the receiving frame upper end through the forklift, and the upper support then takes away the EVA rubber sheet of stacking, simple and convenient, reduces the labor, improves production efficiency, satisfies the production need.

[0030] A kind of method for precise conveying EVA rubber sheet using multi-section balance wheel control conveying platform, specific steps are as follows:

[0031] Step one, first, according to the length of EVA rubber sheet, set all balance wheel rotating speed through man-machine interface to controller;And set the Nth balance wheel conveying platform to carry out the thread of blanking;EVA rubber sheet is set to the time required for T1 seconds from inlet to balance wheel conveying platform and carries out blanking;After a certain angle of equipment balance wheel rotates, waiting time is T2 seconds;

[0032] Step two, after the balance wheel conveying platform starts, controller controls all balance wheels to rotate synchronously and drives EVA rubber sheet to advance,

[0033] When EVA rubber sheet enters the first group of basic balance wheel conveying platform, photoelectric switch detects EVA rubber sheet signal and passes signal to controller, and EVA rubber sheet passes from the lower wheel type rotary encoder, and wheel type rotary encoder measures the length of EVA rubber sheet and passes length measurement signal to controller, and controller starts the set blanking thread, and EVA rubber sheet is conveyed to the Nth balance wheel conveying platform and carries out blanking, and EVA rubber sheet advances T1 seconds, and controller controls the balance wheel of the Nth balance wheel conveying platform to rotate synchronously to a certain angle, so that EVA rubber sheet runs to the left front or right front direction, until falls into one side blanking receiving part, and completes receiving;

[0034] Step three, after the balance wheel of the Nth balance wheel conveying platform rotates a certain angle (0~90 ° between), waits T2 seconds, and then starts to reset, and waits for the next blanking action.

[0035] The length of the EVA rubber sheet is the length of the elongated sheet, the length of the elongated sheet is at least the length of two sets of pendulum conveying platforms, the time of the elongated sheet passing through the at least two sets of pendulum conveying platforms is T3, the adjustment is made by adjusting the rotation speed of the pendulum, and the auxiliary pendulum conveying platform for discharging is also at least two sets, and the at least two sets of auxiliary pendulum conveying platforms for discharging are synchronously driven to perform pendulum action and the motor is synchronously controlled to perform pendulum deflection action. When each photoelectric switch detects an EVA rubber sheet leaving signal, and the previous photoelectric switch does not detect the EVA sheet, the controller controls the previous pendulum conveying platform to reset, at this time, the controller controls the corresponding pendulum conveying platform action according to the EVA rubber sheet setting discharging thread, and different lengths of EVA rubber sheets set different discharging threads. The adjacent two or more sets of basic pendulum conveying platforms form an integral and synchronous rotation action, and the adjacent two or more sets of auxiliary pendulum conveying platforms form an integral and synchronous rotation action. The wheel type rotary encoder judges the length of the EVA rubber sheet, the controller controls the combination of the plurality of pendulum conveying platforms to synchronously convey the EVA rubber sheet according to the length judgment, the synchronous deflection action, and the EVA rubber sheet is conveyed to the receiving rack of the specified discharging receiving part for receiving, the length of the receiving rack can be designed long or short according to the length of the EVA rubber sheet, different lengths of EVA rubber sheets correspond to different lengths of receiving racks, and the discharging threads are also different, which meets the precise discharging requirement.

Claims

1. An EVA rubber sheet multi-stage balance wheel controlled conveying platform, characterized in that: It includes a balance wheel conveying platform, a photoelectric switch, a wheel-shaped rotary encoder and a controller. The balance wheel conveying platform includes at least two groups of basic balance wheel conveying platforms and at least one group of auxiliary balance wheel conveying platforms; the at least two groups of basic balance wheel conveying platforms are connected end to end from back to front, and the at least one group of auxiliary balance wheel conveying platforms are also adjacent to the front side of the frontmost basic balance wheel conveying platform in sequence. The at least two groups of basic balance wheel conveying platforms and the at least one group of auxiliary balance wheel conveying platforms are all independently controlled balance wheel conveying platforms; the controller electrically controls and connects the at least two groups of basic balance wheel conveying platforms and the at least one group of auxiliary balance wheel conveying platforms; a photoelectric switch is respectively installed at one side of the entrance end of each group of balance wheel conveying platforms, and each group of photoelectric switches is electrically connected to the controller via a wire. A wheel-shaped rotary encoder is installed above the photoelectric switch of the first group of balance wheel conveying platforms, and the wheel-shaped rotary encoder is electrically connected to the controller via a wire; the controller also includes a human-machine interface, and the controller is electrically connected to the human-machine interface via a wire.

2. The EVA rubber sheet multi-stage balance wheel controlled conveying platform according to claim 1, characterized in that: There are two groups of basic balance wheel conveying platforms and three groups of auxiliary balance wheel conveying platforms.

3. The EVA rubber sheet multi-stage balance wheel controlled conveying platform according to claim 1, characterized in that: The EVA rubber sheet multi-section balance wheel controlled conveying platform also includes a material unloading and receiving frame, which is installed on the front side of at least one group of auxiliary balance wheel conveying platforms or on one side or both sides of at least one group of auxiliary balance wheel conveying platforms and at least two groups of basic balance wheel conveying platforms.

4. The EVA rubber sheet multi-stage balance wheel controlled conveying platform according to claim 3, characterized in that: The basic balance wheel conveying platform and the auxiliary balance wheel conveying platform have the same structure, both including a box, several groups of balance wheels, a drive motor, and a connecting rod assembly. Several groups of balance wheels are evenly installed in the box, and the drive motor drives the several groups of balance wheels uniformly through the connecting assembly; the controller electrically controls and connects each drive motor respectively; the balance wheels in the several groups of balance wheels are electric drum balance wheels, and each electric drum balance wheel is electrically connected to the controller via a wire.

5. The EVA rubber sheet multi-stage balance wheel controlled conveying platform according to claim 4, characterized in that: The driving motor is a servo motor.

6. The EVA rubber sheet multi-stage balance wheel controlled conveying platform according to claim 1, characterized in that: The two or more adjacent groups of basic balance wheel conveying platforms form an integral body and rotate synchronously, and the two or more adjacent groups of auxiliary balance wheel conveying platforms form an integral body and rotate synchronously.

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