CN210258988U

CN210258988U - Vibration platform and have this vibration platform's reason material conveyor

Info

Publication number: CN210258988U
Application number: CN201920720617.9U
Authority: CN
Inventors: 李天洋
Original assignee: Beijing Omori Packing Machinery Co ltd
Current assignee: Beijing Omori Packing Machinery Co ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-04-07
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a vibration platform and have this vibration platform's reason material conveyor produces the low amplitude vibration of high frequency, vibration platform include roof 23, in the lower part of roof 23 is in rather than the production vertical vibration's that links firmly air vibrator 21, setting bottom plate 26, the setting of air vibrator 21 lower part are in roof 23 with four group's springs 24 between the bottom plate 26. By last, air vibrator produces high frequency low-amplitude vertical vibration, and the roof that links firmly with air vibrator vibrates from top to bottom along with it, and the spring between roof and the bottom plate is as the elastic support of roof for roof and air vibrator can last vertical vibration, and can not produce horizontal relative movement between roof and the bottom plate.

Description

Vibration platform and have this vibration platform's reason material conveyor

Technical Field

The utility model belongs to the technical field of packaging machinery, especially indicate a vibration platform and have this vibration platform's reason material conveyor.

Background

In the process of packaging bulk baked food such as biscuits and the like, a tray box for containing the baked food is manually placed at a feed opening of a multi-head scale, then a signal device is manually stepped on, a signal that the tray box is in place is transmitted to the multi-head scale, the multi-head scale receives the signal, and feeding is finished.

SUMMERY OF THE UTILITY MODEL

In view of this, the main object of the present invention is to provide a material arranging and conveying device for shaking the baked food in the tray evenly.

A vibration platform comprises a top plate 23, an air vibrator 21 which is fixedly connected with the lower portion of the top plate 23 and generates vertical vibration, a bottom plate 26 arranged on the lower portion of the air vibrator 21, and four groups of springs 24 arranged between the top plate 23 and the bottom plate 26.

By last, air vibrator produces high frequency low-amplitude vertical vibration, and the roof that links firmly with air vibrator vibrates from top to bottom along with it, and the spring between roof and the bottom plate is as the elastic support of roof for roof and air vibrator can last vertical vibration, and can not produce horizontal relative movement between roof and the bottom plate.

Preferably, four pairs of spring fixing posts 25 are provided on opposite surfaces of the top plate 23 and the bottom plate 26, and the springs 24 are provided between the pairs of spring fixing posts 25.

By last, four pairs of springs set up respectively between four pairs of spring fixed columns for the spring between roof and the bottom plate is more firm.

Preferably, each of the spring fixing posts 25 is provided with a boss for limiting the end of the spring 24, and two fixing holes are further provided between the boss and the non-fixing end of the spring fixing post 25, wherein the two fixing holes are vertically arranged and have axial hole center lines perpendicular to each other.

By last, set up the boss on the spring fixing column, can restrict the both ends of spring to inject the screw into the both ends of fixed spring in the fixed orifices.

Preferably, the method further comprises the following steps:

a throttle valve provided on a compressed air intake pipe of the air vibrator 21;

and the adjusting plate 28 is fixedly connected with the side edge of the bottom plate 26 and is provided with an elongated adjusting hole 281 along the vertical direction.

Therefore, the air flow entering the air vibrator can be adjusted through the throttle valve, so that the vibration amplitude of the air vibrator is controlled; the distance between the top plate of the vibration platform and other structures needing vibration is adjusted through the adjusting holes of the adjusting plate.

Preferably, the top plate 23 has an upwardly open U-shaped through slot 231 disposed along the length direction.

The material arranging and conveying device comprises a belt conveying mechanism 1 for conveying a support box and a feeding mechanism for feeding materials into the support box, wherein the belt conveying mechanism 1 comprises a first driving motor 11, a second belt wheel and a third belt wheel which are arranged at the same height, and a first belt sleeved on the peripheries of the second belt wheel and the third belt wheel, and the feeding mechanism is arranged at the upper part of the conveying tail end of the first belt;

the vibration platform is arranged between the upper belt and the lower belt of the first belt;

the lower surface of the first belt is provided with a U-shaped protrusion 171 arranged along the length of the first belt, and the U-shaped protrusion 171 is clamped into the U-shaped through groove 231.

By last, the vibration platform sets up between the upper and lower belt of first belt, and the U-shaped protruding card on the first belt advances in the U-shaped logical groove on the roof, and when vibration platform vibrated from top to bottom, the baked food in the tray box on the first belt was shaken and is made it spread in the tray box, the follow-up packing of being convenient for, also when preventing vibration platform from vibrating from top to bottom in addition, first belt off tracking can't take first belt to vibrate from top to bottom.

Preferably, the cam vibration platform is engaged with the conveying end of the first belt along the conveying direction, the cam vibration platform comprises a plurality of groups of eccentric roller assemblies and non-eccentric roller assemblies which are horizontally arranged at intervals along the conveying direction, each of the eccentric roller assemblies and the non-eccentric roller assemblies comprises a central shaft, a first cylindrical roller 42 and a second cylindrical roller 44 which are arranged on the central shaft and rotate along with the central shaft, and the eccentric roller assemblies and the non-eccentric roller assemblies further respectively comprise a cam member and a third cylindrical roller 45 which are arranged between the first cylindrical roller 42 and the second cylindrical roller 44 and rotate along with the central shaft.

Therefore, the baked food in the tray box can shake at low frequency and high amplitude through the cam vibration platform, so that the baked food shakes more uniformly.

Preferably, the cam member is a cam or an eccentric roller.

By the above, the baked goods in the tray on the cam vibration table are shaken out by the vertical vibration generated by the unevenness of the outer surface of the cam member of the cam or the eccentric roller when the cam member rotates.

Preferably, the device further comprises a belt driving mechanism 5 for driving the cam oscillating platform to rotate, wherein the belt driving mechanism 5 comprises fifth and

sixth belt wheels

57,58 arranged at the same height, a second belt 55 wound around the peripheries of the fifth and

sixth belt wheels

57,58, and a plurality of supporting rollers 59 arranged between the fifth and sixth belt wheels and the upper and lower belts of the second belt, the upper part of the upper belt of the second belt abuts against the plurality of first cylindrical rollers 42, and the lower part abuts against the plurality of supporting rollers 59.

From above, the upper portion of the upper belt of second belt hugs closely a plurality of first cylinder roller 42, and the lower part hugs closely a plurality of back-up roll 59, and when the second belt rotated, its upper belt was because a plurality of the back-up roll supports and keeps horizontal transmission to make a plurality of first cylinder rollers on upper belt portion rotate through the friction, a plurality of cam parts produced vibration from top to bottom when rotating along with a plurality of first cylinder rollers, made the interior baked goods of tray owing to the vibration further shake when being carried by cam vibration platform solid.

Preferably, the feeding mechanism 3 includes a feeding hopper 31, a first cylinder 32 having an extension rod fixedly connected to the feeding hopper 31 and driving the feeding hopper 31 to ascend and descend, a baffle plate disposed on the upper portion of the first belt and in front of the feeding hopper 31 and blocking a tray disposed on the first belt, a second cylinder 33 having an extension rod fixedly connected to the baffle plate and driving the baffle plate to horizontally extend and retract along a direction perpendicular to the output direction of the first belt, and an electronic eye for detecting whether the tray on the first belt is in place and feeding detected information of the tray in place back to the PLC controller to control the extension rods of the first and second cylinders to extend.

By last, the electron eye detects the support box information that targets in place after, sends the PLC controller for, and the PLC controller simultaneously control the extension rod of first, two cylinders to stretch out, makes the baffle stretch out to block the support box on the first belt and moves ahead, and the feeding hopper descends, and the lower extreme of feeding hopper stretches into and throws in the support box.

Drawings

FIG. 1 is a schematic structural diagram of a feeding device;

FIG. 2 is a second schematic structural view of a feeding device;

FIG. 3 is a schematic structural diagram of a vibration table;

FIG. 4 is a second schematic structural view of the vibration table;

FIG. 5 is a schematic structural diagram of a cam vibration table;

FIG. 6 is a second schematic structural view of the cam oscillating platform;

fig. 7 is a schematic structural view of an eccentric roller.

Detailed Description

As shown in fig. 1 and 2, a material arranging and conveying device comprises a belt conveying mechanism 1 for conveying a tray, a material feeding mechanism 3 arranged at the upper part of the belt conveying mechanism 1 and used for feeding baked food into the tray, a vibration platform 2 arranged at the lower part of a conveying belt of the belt conveying mechanism 1 and used for enabling the conveying belt to generate high-frequency and low-amplitude vibration so as to enable the tray on the conveying belt to generate vibration, a cam vibration platform connected with the conveying tail end of the conveying belt of the belt conveying mechanism 1 along the conveying direction and used for generating low-frequency and high-amplitude vibration to continuously vibrate the baked food in the tray conveyed to the cam vibration platform, wherein the height of the baked food in the tray is lower than or equal to that of the tray after the baked food is vibrated by two stages, and the outer edge of the baked food does not.

Belt conveying mechanism 1

As shown in fig. 1 and 2, the belt conveying mechanism 1 includes a first driving motor 11, a first sprocket 12 mounted on an output shaft of the first driving motor 11, a second sprocket 13 disposed on an upper portion of the first sprocket 12, a chain (not shown) disposed on outer peripheries of the first and second sprockets for transmitting power, a first pulley 14 disposed coaxially with the second sprocket 13, a transition wheel assembly 15 for bending a lower belt of the first belt 17 so as to dispose the vibration table 2 between the upper and lower belts of the first belt 17, a second pulley 16 for supporting the upper belt of the first belt 17 to rotate horizontally, and a third pulley (not shown) disposed at the same height as the second pulley downstream of the second belt 17; when the first driving motor 11 is started, the first chain wheel 12 is driven to rotate, the chain arranged between the peripheries of the first chain wheel and the second chain wheel drives the second chain wheel 13 to rotate under the drive of the first chain wheel 12, the first belt wheel 14 coaxially arranged with the second chain wheel 13 also rotates along with the first chain wheel, the first belt 17 wound on the periphery of the first belt wheel 14 is in friction transmission with the first belt wheel 14, and then the first belt 17 drives the second belt wheel and the third belt wheel to rotate through friction; the transition wheel assembly 15 disposed at the lower portion of the upper belt of the first belt 17 includes first and

second transition wheels

151 and 152 disposed at the lower portion of the vibration table 2 in parallel, and third and

fourth transition wheels

153 and 154 disposed at the same height at the left and right upper sides of the first belt wheel, the first and second transition wheels providing a space for installation of the vibration table 2, and the third and fourth transition wheels allowing the first belt 17 to be disposed around the outer circumference of the first belt wheel 14.

Vibrating platform 2

As shown in fig. 3 and 4, the vibration table 2 is disposed below the upper belt of the first belt 17, is disposed in close contact with the upper belt, and is correspondingly disposed directly below the feeding mechanism 3 described later. The air vibrator comprises a top plate 23, a reinforcing connecting plate 22, an air vibrator 21 generating vertical vibration, a bottom plate 26 arranged at the lower part of the air vibrator 21, four pairs of oppositely arranged spring fixing columns 25 respectively arranged on opposite surfaces of the top plate 23 and the bottom plate 26, and springs 24 arranged between the four pairs of fixing columns, wherein the top plate 23, the reinforcing connecting plate 22 and the air vibrator 21 are sequentially connected from top to bottom; the middle position of the top plate 23 is provided with a U-shaped groove 231 with an upward opening and consistent with the conveying direction of the first belt 17, the middle position of the lower surface of the first belt 17 is provided with a U-shaped protrusion 171 matched with the U-shaped groove 231, and during assembly, the U-shaped protrusion 171 is embedded into the U-shaped groove 231 to prevent the first belt 17 from deviating from the top plate 23 when the vibration platform 2 vibrates; each pair of the oppositely arranged spring fixing columns 25 is provided with a boss 251 for limiting the end part of the spring and two threaded holes 252 which are arranged up and down in a crossed manner on the central line of the shaft hole, and screws are inserted into the threaded holes 252 to fix the end part of the spring. The air vibrator 21 can generate high-frequency and low-amplitude vertical vibration in a rotary vibration mode, a linear vibration mode and a linear impact vibration mode, the top plate 23 is forced to vibrate vertically when the vibration is generated, the upper belt of the first belt 17 is attached to the top plate 23, the first belt 17 and the top plate 23 vibrate vertically together, the tray box placed on the upper belt of the first belt 17 also vibrates along with the vibration, and baked food in the tray box is shaken to be spread in the tray box, so that subsequent packaging is facilitated.

A throttle valve capable of adjusting the air inlet flow is further arranged on the compressed air inlet pipeline of the air vibrator 21, so that the vibration amplitude of the air vibrator can be adjusted according to different baked foods, and the stepless vibration of the vibration amplitude of the vibration platform can be realized by adjusting the size of a throttle opening of the throttle valve.

As shown in fig. 3, the vibration platform 2 further includes four adjusting plates 28, two connecting beams 27 are further fixedly connected to the lower portion of the bottom plate 26, two adjusting plates 28 are fixedly connected to each connecting beam 27, and a strip-shaped adjusting hole 281 is formed in each adjusting plate 28 along the vertical direction, and the installation height of the vibration platform 2 can be adjusted up and down, so that the fitting degree of the top plate 23 of the vibration platform and the upper belt of the first belt can be adjusted.

Feeding mechanism 3

The feeding mechanism 3 is arranged at the upper part of the conveying tail end of the upper belt of the first belt 17 and used for feeding baked food into the boxes on the upper belt of the first belt 17, and comprises a feeding hopper 31, a first air cylinder 32, an extending rod of the first air cylinder is fixedly connected with the feeding hopper 31 and drives the feeding hopper 31 to lift, a baffle plate, a second air cylinder 33 and an electronic eye (not shown in the figure), wherein the baffle plate is arranged at the upper part of the first belt and the front part of the feeding hopper 31 and used for blocking the boxes to move forwards, the extending rod of the second air cylinder is fixedly connected with the baffle plate at the upper part of one side of the first belt, and the electronic eye (not; after the electronic eye detects that the supporting box on the upper belt of the first belt 17 reaches the set position under the conveying of the first belt, the electronic eye feeds back the in-place information of the supporting box to a PLC (not shown), the PLC firstly controls the second air cylinder to start, the extension rod of the second air cylinder drives the baffle to horizontally extend in the direction perpendicular to the conveying direction of the first belt to block the supporting box from advancing on the first belt, then controls the extension rod of the first air cylinder 32 to drive the feeding hopper 32 to descend, the lower end of the feeding hopper 32 is inserted into the supporting box matched with the shape of the feeding hopper for a certain distance, and the supporting box is called to be fed by a plurality of heads arranged at the upper part of the feeding hopper 32, so that the fed food is prevented from scattering outwards, the supporting box can also be positioned by the baffle, and the feeding is convenient.

Cam vibration platform

The cam vibration platform 4 is connected with the conveying tail end of the first belt along the conveying direction of the first belt, and a belt driving mechanism 5 for driving the cam vibration platform 4 to convey and generate vibration is further arranged at the lower part of the cam vibration platform 4.

As shown in fig. 5 and 6, the belt driving mechanism 5 is disposed at a lower portion of the cam oscillating table 4, drives the cam oscillating table 4 to generate oscillation, and includes a second driving motor 51, a third sprocket 52 fitted on an output shaft of the second driving motor 51, a fourth sprocket 53 disposed at an upper portion of the third sprocket 52, a chain (not shown) disposed on outer peripheries of the third and fourth sprockets and transmitting power, a fourth pulley 54 disposed coaxially with the fourth sprocket 53, two transition wheels 56 disposed at upper portions of both sides of the fourth pulley 54, respectively, fifth and

sixth pulleys

57 and 58 disposed at the same height and supporting both sides of an upper portion of the two transition wheels 56 and driving the second belt 55 to horizontally transfer, and a plurality of support rollers 59 disposed between the upper and lower belts of the fifth and sixth pulleys and the second belt 55, wherein the upper belt is supported by the plurality of support rollers 59 to horizontally transfer; the two transition wheels 56 are disposed at the same height so that the lower belt of the second belt 55 is kept horizontal; the outer circumference of one side of the two transition wheels 56 is tangent to the outer circumference of one side of the fourth belt wheel 54, so that the second belt passing around the fourth belt wheel 54 and the two transition wheels 56 is in a vertical state; when the second driving motor 51 is started, the third sprocket 52 is driven to rotate, power is transmitted to the fourth sprocket 53 through a chain, the fourth pulley 54 coaxially disposed with the fourth sprocket 53 rotates, the second belt 55 is in friction transmission with the outer periphery of the fourth pulley 54, the second belt 55 continuously rotates through the two transition wheels 56, the fifth and

sixth pulleys

57 and 58, the upper belt of the second belt is kept horizontal by the plurality of support rollers 59 disposed between the fifth and

sixth pulleys

57 and 58, and is always in contact with the plurality of first cylindrical rollers 42, which will be described later, on the upper belt of the second belt, so that the plurality of first cylindrical rollers 42 are driven to rotate by friction between the upper belt of the second belt and the first cylindrical rollers 42.

The cam vibration platform 4 is composed of a plurality of groups of eccentric roller assemblies and non-eccentric roller assemblies which are horizontally arranged at intervals along the conveying direction, wherein each eccentric roller assembly comprises a central shaft, an eccentric roller 43 which is arranged on the central shaft and rotates along with the central shaft, and a first cylindrical roller 42 and a second cylindrical roller 44 which are respectively arranged at two sides of the eccentric roller 43; each non-eccentric roller assembly comprises a central shaft, third and fourth cylindrical rollers 45 which are arranged on the central shaft and rotate along with the central shaft, and a first cylindrical roller 42 and a second cylindrical roller 44 which are respectively arranged at two sides of the third and fourth cylindrical rollers 45; as shown in fig. 7, a structure diagram of the eccentric roller 43 is shown, the center hole of which is offset, the center holes of the first to fourth cylindrical rollers are not offset, and each first cylindrical roller 42 is in close contact with the upper belt of the first belt 55 below it, so that when the second belt 55 rotates, the first cylindrical roller 42 rotates by the second belt 55 through friction between the first cylindrical roller 42 and the upper belt of the second belt 55, the center shaft supporting the first cylindrical roller 42 also rotates, the eccentric roller 43 or the third and fourth cylindrical rollers 45 on the center shaft and the first and second cylindrical rollers also rotate together, the height of the outer circumferential surface of the eccentric roller is not uniform when the eccentric roller rotates due to the offset of the center hole of the eccentric roller 43, and the baked food in the tray containing the baked food is further homogenized by the vibration of low frequency and high amplitude generated by the cam vibration platform 4 when the tray is transferred from the upper belt of the first belt 17 to the cam vibration platform 4, the subsequent packaging of the baked food in the holding box is facilitated.

The above-described structures are all provided on the support 7.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

The third and fourth cylindrical rollers 45 as described above can be designed as one cylindrical roller, collectively referred to as the third cylindrical roller 45.

In addition to the above-described vibration of the eccentric roller 43, a cam may be used, and the eccentric roller 43 and the cam are both used to generate vibration by generating unevenness on the outer circumferential surface when they rotate by the rotation, and thus the eccentric roller 43 and the cam are collectively referred to as a cam member.

Claims

1. The vibrating platform is characterized by comprising a top plate (23), an air vibrator (21) which is fixedly connected with the lower part of the top plate (23) and generates vertical vibration, a bottom plate (26) arranged at the lower part of the air vibrator (21), and four groups of springs (24) arranged between the top plate (23) and the bottom plate (26).

2. The vibratory platform of claim 1 further comprising four pairs of spring mounting posts (25) disposed on opposite sides of the top plate (23) and the bottom plate (26), the springs (24) being disposed between the pairs of spring mounting posts (25).

3. The vibration platform according to claim 2, characterized in that each spring fixing column (25) is provided with a boss for limiting the end of the spring (24), and two fixing holes are arranged up and down and have shaft hole center lines perpendicular to each other between the boss and the non-fixing end of the spring fixing column (25).

4. The vibratory platform of claim 2 or 3, further comprising:

a throttle valve provided in a compressed air intake line of the air vibrator (21);

and the adjusting plate (28) is fixedly connected with the side edge of the bottom plate (26) and is provided with a long-strip-shaped adjusting hole (281) along the vertical direction.

5. Vibrating platform according to claim 1, characterised in that the top plate (23) has a U-shaped through slot (231) with an upward opening arranged along its length.

6. A material arranging and conveying device comprising the vibrating platform as claimed in any one of claims 1 to 5, which comprises a belt conveying mechanism (1) for conveying a tray box, a feeding mechanism (3) for feeding materials into the tray box, wherein the belt conveying mechanism (1) comprises a first driving motor (11), a second belt wheel and a third belt wheel which are arranged at the same height, and a first belt arranged on the peripheries of the second belt wheel and the third belt wheel,

the feeding mechanism (3) is arranged at the upper part of the conveying tail end of the first belt;

the lower surface of the first belt is provided with a U-shaped protrusion (171) arranged along the length of the first belt, and the U-shaped protrusion (171) is clamped into the U-shaped through groove (231).

7. The material arranging and conveying device according to claim 6, further comprising a cam vibration platform engaged with the conveying end of the first belt along the conveying direction, wherein the cam vibration platform comprises a plurality of groups of eccentric roller assemblies and non-eccentric roller assemblies horizontally arranged at intervals along the conveying direction, each of the eccentric roller assemblies and each of the non-eccentric roller assemblies comprises a central shaft, a first cylindrical roller (42) and a second cylindrical roller (44) which are arranged on the central shaft and rotate along with the central shaft, and the eccentric roller assemblies and the non-eccentric roller assemblies respectively comprise a cam member and a third cylindrical roller (45) which are arranged between the first cylindrical roller (42) and the second cylindrical roller (44) and rotate along with the central shaft.

8. The material organizing and conveying device of claim 7 wherein the cam member is a cam or an eccentric roller.

9. The material arranging and conveying device according to claim 7, further comprising a belt driving mechanism (5) for driving the cam vibration platform to rotate, wherein the belt driving mechanism (5) comprises fifth and sixth belt wheels (57,58) arranged at the same height, a second belt (55) wound on the peripheries of the fifth and sixth belt wheels (57,58), and a plurality of supporting rollers (59) arranged between the fifth and sixth belt wheels and an upper belt and a lower belt of the second belt, the upper belt of the second belt is tightly attached to the plurality of first cylindrical rollers (42), and the lower belt of the second belt is tightly attached to the plurality of supporting rollers (59).

10. The material arranging and conveying device according to claim 6, wherein the feeding mechanism (3) comprises a feeding hopper (31), a first air cylinder (32) with an extension rod fixedly connected with the feeding hopper (31) and driving the feeding hopper (31) to lift, a baffle plate which is arranged on the upper portion of the first belt and in front of the feeding hopper (31) and blocks the tray arranged on the first belt, a second air cylinder (33) with an extension rod fixedly connected with the baffle plate and driving the baffle plate to horizontally stretch along a direction vertical to the output direction of the first belt, and an electronic eye which detects whether the tray on the first belt is in place and feeds detected information of the in-place tray back to a PLC controller to control the extension rods of the first air cylinder and the second air cylinder to stretch out.