CN112808601B

CN112808601B - Packaging equipment, sorting machine and sorting mechanism

Info

Publication number: CN112808601B
Application number: CN202011469392.8A
Authority: CN
Inventors: 方义飞
Original assignee: Shenzhen Yougen Technology Co ltd
Current assignee: Shenzhen Yougen Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2023-04-07
Anticipated expiration: 2040-12-15
Also published as: CN112808601A

Abstract

The invention discloses a sorting mechanism which comprises a top plate assembly, a frame assembly, a limiting rod group, a cam assembly and a telescopic assembly, wherein the top plate assembly comprises a top plate, a rotating rod and a supporting rod; the limiting rod group comprises a limiting rod and a spring, the top of the limiting rod is provided with a pressure rod part, and the bottom of the limiting rod is provided with a roller; the cam assembly is arranged below the lower base and comprises a cam and a servo speed reduction motor, and the cam is matched with the roller to press one limiting rod and release the other three limiting rods; the telescopic assembly includes a cylinder which is linked with a cam to determine the roll direction of the top plate. Obviously, compared with the prior art that 4 groups of switches need to be controlled, only one cam needs to be controlled, the required control components are greatly reduced, the reliability is improved in multiples, and the maintenance cost is lower. In addition, the invention also provides a sorting machine and a packaging device comprising the sorting mechanism.

Description

Packaging equipment, sorting machine and sorting mechanism

Technical Field

The application relates to the technical field of packaging and sorting, and particularly relates to a sorting mechanism which is mainly used for conveying detected or measured samples or material samples to different stations respectively.

In addition, the application also relates to a sorting machine and a packaging device applying the sorting mechanism.

Background

On a packaging production line of materials or a sorting production line in a conveying process, in the transportation and transfer processes, one or more batches of materials need to be sorted according to different sizes, weights, specifications and other modes, and are conveyed to different stations after being sorted so as to carry out subsequent operations of transportation, transfer, packaging and the like.

If a certain sorting mechanism needs to divide incoming materials into three or two types according to the result of detection or measurement and respectively transmit the three or two types to three or two different stations, the existing sorting mechanism generally adopts a plurality of groups of control switches or devices to achieve the purpose, however, the more the control switches are (pneumatic or electric, etc.), the more the number of components is, the more the system is complex, the worse the reliability is, and the maintenance cost is high.

Therefore, it is an important technical problem to be solved urgently by those skilled in the art to provide a sorting mechanism with simple structure and low maintenance cost.

Disclosure of Invention

Certain embodiments commensurate in scope with the claimed invention are summarized below. These embodiments are not intended to limit the scope of the claimed invention, but rather, they are intended only to provide a brief summary of possible forms of the corresponding invention. Indeed, the claimed invention may encompass a variety of forms that may be similar to or different from the embodiments described below.

The invention aims to provide a sorting mechanism which is simple in structure, high in reliability and low in maintenance cost.

To this end, the invention relates to a sorting mechanism comprising:

the top plate assembly comprises a square top plate, a rotating rod and a supporting rod, wherein the rotating rod and the supporting rod are respectively arranged below the periphery of the top plate, the supporting rod is used for fixing the relative position of the rotating rod and the top plate, and the rotating rod is parallel to the top plane of the top plate and is also parallel to the adjacent end face of the top plate;

the frame assembly comprises a square frame and a lower base which are arranged at the upper part, and a connecting arm group which connects the square frame and the lower base into a whole, wherein the connecting arm group comprises four connecting arms, a groove seat is arranged on the square frame, and a rod groove for accommodating the lower half part of the rotating rod is arranged on the groove seat;

the limiting rod group comprises a limiting rod and a spring, the limiting rod is rotatably arranged on the connecting arm, the top of the limiting rod is provided with a rod pressing part which is matched with the rod groove to limit the rotating rod, the bottom of the limiting rod is provided with a roller, and the spring provides a tension force for enabling the rod pressing part of the limiting rod to be far away from the rod groove;

the cam assembly is arranged below the lower base and comprises a cam and a servo speed reduction motor for driving the cam to rotate, and the cam is matched with the roller so that one limiting rod is pressed and the other three limiting rods are loosened;

the telescopic assembly comprises an air cylinder, the top of a piston rod of the air cylinder is hinged with the center of the bottom of the top plate, a base of the air cylinder is hinged with the upper surface of the lower base, and the air cylinder is linked with the cam to determine the inclination direction of the top plate.

Preferably, the limiting rod is rotatably arranged on the connecting arm through a pin shaft, and the axis of the pin shaft is parallel to the axis of the rod groove.

Preferably, the groove seat is provided with a support rod groove for preventing the support rod from interfering with the groove seat.

Preferably, the spring is a tension spring, one end of the tension spring acts on the lower portion of the connecting arm, and an action point of the other end of the tension spring is located below a rotation center of the limiting rod.

Preferably, the base of the cylinder is hinged to the center of the upper surface of the lower base.

Preferably, the top of the piston rod is provided with an upper fork, the center of the bottom of the top plate is provided with a lower fork seat, and the upper fork and the lower fork seat form a universal shaft connecting structure through a first cross shaft.

Preferably, a lower fork head is arranged below the base of the cylinder, an upper fork seat is arranged at the center of the upper part of the lower base, and the lower fork head and the upper fork seat form a universal shaft connecting structure through a second cross shaft.

Preferably, the cam is a disc cam, and the central angle of a sector formed by the part of the working profile of the cam, which is overlapped with the base circle, is greater than 270 degrees, so that the pressure lever parts of three of the four limit levers do not limit the rotating lever, and the stroke of the cam ensures that the pressure lever part of the other limit lever presses the rotating lever.

Preferably, the upper part of the working profile of the cam is provided with an upper flange, the lower part of the working profile of the cam is provided with a lower flange, and the upper flange and the lower flange form a V-shaped groove, so that the roller and the cam are more stably matched.

Preferably, the connecting portion of the connecting arm and the square frame is located below the slot seat.

Preferably, the roller is a rolling bearing capable of simultaneously bearing axial force and radial force.

In addition, this application still relates to a sorter, including sorting mechanism, sorting mechanism be above-mentioned any technical scheme sorting mechanism.

In addition, this application still relates to a equipment for packing, including sorting mechanism, sorting mechanism be above-mentioned any technical scheme sorting mechanism.

Against the background described above, the advantageous effects of the present invention are roughly as follows.

1. The sorting mechanism comprises a top plate assembly, a frame assembly, a limit rod group, a cam assembly and a telescopic assembly, wherein the top plate assembly comprises a square top plate, rotating rods and supporting rods, the rotating rods and the supporting rods are respectively arranged below the periphery of the top plate, the supporting rods are used for fixing the relative positions of the rotating rods and the top plate, and the rotating rods are parallel to the top plane of the top plate and also parallel to the end face adjacent to the top plate; the frame assembly comprises a square frame and a lower base which are arranged at the upper part, and a connecting arm group which connects the square frame and the lower base into a whole, the connecting arm group comprises four connecting arms, a groove seat is arranged on the square frame, and a rod groove for accommodating the lower half part of the rotating rod is arranged on the groove seat; the limiting rod group comprises a limiting rod and a spring, the limiting rod is rotatably arranged on the connecting arm, the top of the limiting rod is provided with a rod pressing part which is matched with the rod groove to limit the rotating rod, the bottom of the limiting rod is provided with a roller, and the spring provides a tension force for the limiting rod to enable the rod pressing part to be far away from the rod groove; the cam assembly is arranged below the lower base and comprises a cam and a servo speed reduction motor for driving the cam to rotate, and the cam is matched with the roller wheel to press one limiting rod and release the other three limiting rods; the telescopic assembly comprises an air cylinder, the top of a piston rod of the air cylinder is hinged with the center of the bottom of the top plate, a base of the air cylinder is hinged with the upper surface of the lower base, and the air cylinder is linked with the cam to determine the tilting direction of the top plate. Obviously, compared with the prior art that 4 groups of switches need to be controlled, only one cam needs to be controlled, the required control components are greatly reduced, the reliability is improved in multiples, and the maintenance cost is lower.

The objects, features and aspects of the various claimed inventions can be applied together or independently in any combination. Not all objects or features need to be combined in each claim.

Drawings

In order to illustrate the embodiments of the claimed invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of some of the inventions, and that other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a schematic perspective view of an alternative embodiment of a sorting mechanism provided in the present application.

Fig. 2 is a side schematic view of an alternative embodiment of the stop bar of fig. 1.

FIG. 3 is a perspective view of an alternate embodiment of the cam assembly of FIG. 1.

Fig. 4 is a perspective view of an alternative embodiment of the top plate assembly of fig. 1.

Detailed Description

In order to make the technical solutions involved in the present invention better understood, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that, in a non-conflicting manner, the embodiments and the specific features described in the embodiments in the present application may be combined in any suitable manner; in order to avoid unnecessary repetition, various possible combinations are not described separately in this application, and should be considered as disclosed in this application as long as they do not depart from the inventive concept.

Referring to fig. 1 to 4, fig. 1 is a schematic perspective view of an alternative embodiment of a sorting mechanism provided in the present application; FIG. 2 is a side schematic view of an alternative embodiment of the stop lever of FIG. 1; FIG. 3 is a perspective view of an alternative embodiment of the cam assembly of FIG. 1; fig. 4 is a perspective view of an alternative embodiment of the top plate assembly of fig. 1.

In a specific embodiment, as shown in fig. 1 to 4, a sorting mechanism is provided, which includes a frame assembly 10, a top plate assembly 20, a telescopic assembly 30, a limit rod assembly 40, and a cam assembly 50, wherein the top plate assembly 20 includes a top plate 21 having a square shape, a rotating rod 22 and a support rod 23 respectively disposed below and around the top plate 21, the support rod 23 is used for fixing the relative position of the rotating rod 22 and the top plate 21, and the rotating rod 22 is parallel to the top plane of the top plate 21 and also parallel to the end face adjacent to the top plate 21.

As shown in fig. 1, the frame assembly 10 includes an upper square frame 11 and a lower base 12, a connecting arm set formed by four connecting arms 13 for connecting the square frame 11 and the lower base 12 into a whole, a slot seat 14 provided on the square frame 11, and a rod slot 15 provided on the slot seat 14 for receiving a lower half of a rotating rod 22.

As shown in fig. 1 and 2, the limiting rod set 40 includes a limiting rod 41 and a spring 42, the limiting rod 41 is rotatably disposed on the connecting arm 13, a top portion of the limiting rod 41 has a pressing rod portion 44 that cooperates with the rod groove 15 to define the rotating rod 22, a bottom portion of the limiting rod 41 is provided with a roller 43, and the spring 42 provides the limiting rod 41 with a tension force that keeps the pressing rod portion 44 away from the rod groove 15.

As shown in fig. 1 to 3, a cam assembly 50 is installed below the lower base 12, the cam assembly 50 includes a cam 51 and a servo deceleration motor 52 for driving the cam 51 to rotate, the cam 51 cooperates with the roller 43 such that one of the stopper rods 41 is pressed and the other three are released. The cam 51 is mounted below the servo motor 52. The servo deceleration motor 52, i.e., the servo motor and the decelerator, are integrated. The cam 51 may be mounted above the servo motor 52 (the reducer part may be customized).

As shown in fig. 1, the telescopic assembly 30 includes a cylinder 31, a top portion of a piston rod of the cylinder 31 is hinged to a center of a bottom portion of the top plate 21, a base of the cylinder 31 is hinged to an upper surface of the lower base 12, and the cylinder 31 is linked with a cam 51 to determine a tilting direction of the top plate 21. And the side-tipping direction is the conveyed direction of the materials.

In use, the cam 51 is rotated to a certain position, the pressing rod portion 44 of a corresponding one of the position limiting rods 41 presses the corresponding rotating rod 22 (while the other three are released), and the piston rod of the air cylinder 31 is lifted to tilt the top plate 21 toward the side of the pressed rotating rod 22, so as to complete the conveying or introducing of the material toward the side. Then the piston rod of the cylinder 31 retracts to receive the material conveyed next time, the material is conveyed or guided to a certain position according to the detection result of the material, the corresponding rotating cam 51 enables the pressing rod part of the limiting rod 41 at a certain position to press the corresponding rotating rod 22 (the other three are released), and the piston rod of the cylinder 31 rises again to finish the conveying or guiding to the required side. It can be seen that the control system of the mechanism only needs to control the rotation position of the cam 51 and the lifting of the piston rod of the cylinder 31, and the cylinder in the prior art, so compared with the prior art, only one cam 51 needs to be controlled in the invention, and compared with the control of 4 groups of switches, the control components required by the invention are greatly reduced, the reliability is improved by times, and the maintenance cost is lower.

In a preferred embodiment, and as shown with reference to fig. 1, the base of the cylinder 31 is hinged to the upper surface of the lower base 12 at a central location. The center can improve stability.

In a preferred embodiment, as shown in fig. 1, the connection portion of the connecting arm 13 to the square frame 11 is located below the slot seat 14. Thus, the rigidity of the whole mechanism can be effectively improved.

In a preferred embodiment, as shown in fig. 1, the spring 42 is a tension spring, one end of which acts on the lower portion of the connecting arm 13, and the other end of which acts below the rotation center of the stopper rod 41. Alternatively, a compression spring may be used instead, and when a compression spring is used, the compression spring is disposed above the rotation center of the stopper rod 41.

In a preferred embodiment, as shown in fig. 1 and 3, the cam 51 is a disc cam, and the central angle of the sector formed by the portion 511 of the working profile of the cam 51 coinciding with the base circle is greater than 270 degrees, so that the pressing rod portions 44 of three of the four stopper rods 41 do not limit the rotating rod 22, and the stroke of the cam 51 (i.e., the distance from the center of rotation at the maximum position 512 minus the radius of the base circle) ensures that the pressing rod portion of the other stopper rod 41 presses the rotating rod 22.

In a preferred embodiment, as shown in fig. 1 and 3, the upper portion of the working profile of the cam 51 has an upper rib 513 and the lower portion has a lower rib 514, and the upper rib 513 and the lower rib 514 form a V-shaped groove (i.e., a structure corresponding to the upper rib 513, the lower rib 514 and the working profile of the cam 51 forming a common V-shaped pulley groove), so that the engagement between the roller 43 and the cam 51 is more stable.

In an alternative embodiment not shown, cam 51 may also take the form of a grooved cam or any other suitable structure.

In a preferred embodiment, as shown in fig. 1, the position-limiting rod 41 is rotatably disposed on the connecting arm 13 via a pin 45, the axis of the pin 45 is parallel to the axis of the rod groove 15, and the connecting arm 13 has a corresponding pin seat 17. Optionally, as shown in fig. 1 and fig. 2, the limiting rod 41 has a mounting arm 46, and the mounting arm 46 is rotatably limited on the pin seat 17 through a pin 45. In addition, as shown in fig. 1 and 2, the position-limiting rod 41 may further include a spring arm 47, one end of the spring 42 is hooked on the spring arm 47, and the other end of the spring 42 is hooked on a support arm (generally shown but not labeled) of the connecting arm 13.

In a preferred embodiment, as shown in fig. 1, the piston rod has an upper fork 32 at the top, a lower fork 24 at the center of the bottom of the top plate 21, and the upper fork 32 and the lower fork 24 form a universal shaft connection structure through a first cross shaft 33.

In a preferred embodiment, as shown in fig. 1, the cylinder 31 has a lower fork 34 below the base, and the upper fork 18 is located at the center of the upper portion of the lower base 12, and the lower fork 34 and the upper fork 18 form a universal shaft connection structure through a second cross-shaped shaft 35.

In an alternative embodiment, not shown, the roller 43 is a rolling bearing capable of simultaneously bearing axial and radial forces, as shown in figure 1.

In a preferred embodiment, as shown in fig. 1, the slot seat 14 is provided with a strut slot 16 for preventing the strut bar 23 from interfering with the slot seat 14. Various arrangements of the support rods 23 are more suitable, and alternative arrangements are possible.

In addition, this application still relates to a sorter, includes sorting mechanism, sorting mechanism is the sorting mechanism that any embodiment provided above. Please refer to the foregoing embodiments specifically, which are not described in detail herein.

In addition, this application still relates to a equipment for packing, includes sorting mechanism, sorting mechanism is the sorting mechanism that any embodiment provided above. Please refer to the foregoing embodiments specifically, which are not described in detail herein. In addition, the packaging equipment also comprises three conveying belts which are respectively matched with the sorting mechanism, each conveying belt is matched with one side-tipping direction of the sorting mechanism, and the specific arrangement of the conveying belts or the conveying belts can refer to the related prior art.

The above description of the function or effect of each invention is intended to mean that it has the function or effect, and that it may have other functions or effects, and therefore should not be construed as unduly limiting the function or effect.

The above has detailed a packaging apparatus, a sorting machine and a sorting mechanism provided by the claimed invention. The principles and embodiments of the claimed invention have been described herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the claimed invention. It should be noted that while the best modes for carrying out the claimed invention have been described in detail, those familiar with the art to which this invention relates will recognize various alternative designs and embodiments for practicing the claimed invention within the scope of the appended claims.

Claims

1. A sorting mechanism, comprising:

the top plate assembly comprises a square top plate, a rotating rod and a supporting rod, wherein the rotating rod and the supporting rod are respectively arranged below the periphery of the top plate, the supporting rod is used for fixing the relative position of the rotating rod and the top plate, the rotating rod is parallel to the top plane of the top plate, the rotating rod is parallel to one end face of the top plate, and the end face is adjacent to the rotating rod;

the limiting rod group comprises a limiting rod and a spring, the limiting rod is rotatably arranged on the connecting arm, the top of the limiting rod is provided with a pressing rod part which is matched with the rod groove to limit the rotating rod, the bottom of the limiting rod is provided with a roller, and the spring provides tension force for the limiting rod to enable the pressing rod part to be far away from the rod groove;

2. The sorting mechanism according to claim 1, wherein the limiting rod is rotatably arranged on the connecting arm through a pin shaft, and the axis of the pin shaft is parallel to the axis of the rod groove; and the groove seat is provided with a support rod groove for preventing the support rod from interfering with the groove seat.

3. The sorting mechanism according to claim 1, wherein the spring is a tension spring, one end of the tension spring acts on the lower part of the connecting arm, and the action point of the other end of the tension spring is positioned below the rotation center of the limiting rod; the base of the cylinder is hinged with the center of the upper surface of the lower base.

4. The sorting mechanism of claim 1, wherein the rollers are rolling bearings capable of simultaneously withstanding axial and radial forces.

5. The sorting mechanism according to any one of claims 1 to 4, wherein the top of the piston rod is provided with an upper fork head, the bottom of the top plate is provided with a lower fork seat at the center, and the upper fork head and the lower fork seat form a universal shaft connecting structure through a first cross shaft; the lower fork head is arranged below the base of the cylinder, the upper fork seat is arranged at the center of the upper portion of the lower base, and the lower fork head and the upper fork seat form a universal shaft connecting structure through a second cross shaft.

6. The sorting mechanism according to any one of claims 1 to 4, wherein the cam is a disc cam, and the central angle of the sector formed by the part of the working profile of the cam coinciding with the base circle is greater than 270 degrees, so that the pressing rod portions of three of the four stopper rods do not limit the rotating rod, and the stroke of the cam ensures that the pressing rod portion of the other stopper rod presses the rotating rod.

7. The sorting mechanism of claim 6, wherein the cam has an upper rib at an upper portion of the working profile and a lower rib at a lower portion of the working profile, the upper rib and the lower rib forming a V-shaped groove to provide a more stable engagement of the roller with the cam.

8. The sorting mechanism of claim 1, wherein the connecting arm is connected to the square frame at a location below the pocket.

9. A sorting machine comprising a sorting mechanism, characterised in that the sorting mechanism is as claimed in any one of claims 1 to 8.

10. A packaging apparatus comprising a sorting mechanism, wherein the sorting mechanism is as claimed in any one of claims 1 to 8.