CN218893034U - Feeding mechanism with unchanged hopper posture in overturning process - Google Patents

Abstract

The utility model relates to the technical field of material transportation equipment, in particular to a feeding mechanism with a constant hopper posture in the overturning process. The rotary swing arm assembly is hinged with the support frame; the driving unit is connected with the rotary swing arm assembly; the second chain wheel is connected with the support frame; the first sprocket is connected with the rotary swing arm assembly; the second chain wheel is in transmission connection with a second chain; one end of the lifting swing arm is hinged with the support frame, and the other end of the lifting swing arm is hinged with a third sprocket; the second chain wheel is in transmission connection with the third chain wheel; the hopper is hinged with the lifting swing arm; the third sprocket is connected with the hopper. The hopper posture keeps unchanged in the swing lifting process through the transmission among the pure mechanical structures, the transmission structure is simple and practical, the hopper can be transported to the unloading station at one time, and the transportation efficiency is high.

Description

Feeding mechanism with unchanged hopper posture in overturning process

Technical Field

The utility model relates to the technical field of material transportation equipment, in particular to a feeding mechanism with a constant hopper posture in the overturning process.

Background

In the process of transporting materials, it is often necessary to transport a hopper containing the materials from a lower position to an upper position, the lower position corresponding to a material taking station of the materials and the upper position corresponding to a material discharging station of the materials. For the transportation mode that needs to keep the posture of the hopper unchanged as much as possible in the transportation process, the existing transportation modes include hoisting, lifting tables and the like, and the transportation modes are all used for completing the transportation of materials through lifting in the vertical direction, and then transporting the materials horizontally to a discharging station. This kind of transportation mode separately goes on guaranteeing that the hopper is unchangeable in transportation through vertical and horizontal direction separation, because can not once only transport the material to the station of unloading, so transportation mode is comparatively complicated, and transport efficiency is lower.

Disclosure of Invention

First, the technical problem to be solved

In view of the above-mentioned shortcomings and drawbacks of the prior art, the present utility model provides a feeding mechanism with a constant hopper posture during the overturning process, which solves the problems of complex transportation mode and low efficiency of the material transportation device during the transportation of materials.

(II) technical scheme

In order to achieve the above object, the feeding mechanism for keeping the posture of the hopper unchanged during the overturning process of the utility model comprises a lifting device and a hopper arranged on the lifting device, wherein the lifting device comprises:

a support frame;

the rotary swing arm assembly is hinged with the support frame;

the telescopic rod of the driving unit is connected with the rotary swing arm assembly, so that the rotary swing arm assembly can rotate positively and negatively along with the telescopic rod of the driving unit;

the transfer chain wheel assembly comprises a first chain, a second chain, a first chain wheel and a second chain wheel; the first chain wheel is hinged with the supporting frame; the second chain wheel is fixedly connected with the supporting frame; the first sprocket is in transmission connection with the rotary swing arm assembly through the first chain, so that the first sprocket can be driven to rotate positively and negatively when the rotary swing arm assembly rotates; the second chain wheel is in transmission connection with the second chain;

the lifting swing arm assembly comprises a lifting swing arm and a third sprocket; one end of the lifting swing arm is hinged with the supporting frame, and the first sprocket can drive the lifting swing arm to synchronously and co-rotate; the other end of the lifting swing arm is hinged with the third chain wheel; the second chain wheel and the third chain wheel are in transmission connection through the second chain;

the hopper is hinged with the lifting swing arm; the third chain wheel is connected with the hopper so as to drive the hopper to synchronously and co-rotate.

Optionally, the rotary swing arm assembly includes a rotary swing arm, a first connecting rod and a second connecting rod; the middle part of the rotary swing arm is hinged with the support frame; the first connecting rod and the second connecting rod are respectively hinged to the head end and the tail end of the rotary swing arm;

one end of the first chain is connected with the first connecting rod, and the other end of the first chain is connected with the second connecting rod through the first chain wheel.

Optionally, the telescopic rod of the driving unit is hinged with the rotary swing arm, so that the driving unit can drive the rotary swing arm to rotate.

Optionally, the diameters and the number of teeth of the sprockets of the second sprocket and the third sprocket are identical.

Optionally, the support frame comprises a Y-shaped bracket and a column; the top of the upright post is connected with the Y-shaped bracket, and the top of the Y-shaped bracket is respectively hinged with a rotary swing arm assembly and a transfer chain wheel assembly.

Optionally, the hinge point of the Y-shaped bracket and the first sprocket and the hinge point of the Y-shaped bracket and the rotary swing arm assembly are located on the same horizontal plane.

Optionally, the Y-shaped bracket comprises a pair of Y-shaped plates, and the pair of Y-shaped plates are arranged at the top ends of the upright posts in parallel; the rotary swing arm assemblies and the transfer sprocket assemblies are arranged between the Y-shaped plates in pairs.

Optionally, the driving unit is hinged with the supporting frame.

Optionally, the feeding mechanism comprises lifting devices arranged in pairs; the hopper is positioned between the two lifting swing arms; both ends of the hopper are hinged with the lifting swing arms.

(III) beneficial effects

The beneficial effects of the utility model are as follows: the second chain can rotate around the axis of the second chain wheel through the matched driving of the driving unit, the rotary swing arm assembly, the intermediate rotation chain wheel assembly and the lifting swing arm assembly, so that the second chain wheel is meshed with the second chain wheel for transmission, and the second chain wheel can drive the third chain wheel to rotate; and the rotation direction of the third sprocket is opposite to that of the first sprocket, and the rotation angle is the same, so that the rotation direction of the lifting swing arm is opposite to that of the third sprocket, and the rotation angle is the same, and finally, the stable transportation of materials is realized by keeping the posture of the hopper unchanged in the swing lifting process.

The driving unit is removed, the posture of the hopper is kept unchanged in the swing lifting process through the transmission among the pure mechanical structures, and the transmission structure is simple and practical; through the mode that the swing promoted, can once only transport the hopper to the station of unloading, transport efficiency is high.

Drawings

FIG. 1 is a perspective view of a loading mechanism with a constant hopper attitude during the overturning process of the utility model;

FIG. 2 is a schematic structural view of a feeding mechanism with a constant hopper posture in the overturning process;

FIG. 3 is a schematic view of the transfer sprocket assembly of the present utility model;

fig. 4 is a schematic diagram of the meshing drive principle of the second sprocket and the third sprocket of the present utility model.

[ reference numerals description ]

1: a hopper; 2: a third sprocket; 3: lifting the swing arm; 4: a first chain; 5: a first sprocket; 6: a second sprocket; 7: a first connecting rod; 8: rotating the swing arm; 9: a driving unit; 10: a support frame; 11: a discharge table; 12: a second chain; 13: an in-situ state; 131: a first in situ engagement point; 132: a second in situ engagement point; 14: a swing state; 141: a first swing engagement point; 142: a second swing engagement point.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; "coupled" may be mechanical or electrical; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 and 2, the present utility model provides a feeding mechanism with a constant hopper posture during turning, the feeding mechanism includes a lifting device and a hopper 1 mounted on the lifting device, the lifting device includes: the device comprises a support frame 10, a rotary swing arm assembly, a driving unit 9, a transfer chain wheel assembly and a lifting swing arm assembly; the rotary swing arm assembly is hinged with the support frame 10, and the bottom end of the support frame 10 can be arranged on the ground or other rigid horizontal structures; the telescopic rod of the driving unit 9 is connected with the rotary swing arm assembly, so that the rotary swing arm assembly can rotate forwards and backwards along with the telescopic rod of the driving unit 9, and the driving unit 9 can be an electric push rod, an air cylinder or an oil cylinder; the transfer chain wheel assembly comprises a first chain 4, a second chain 12, a first chain wheel 5 and a second chain wheel 6; the first chain wheel 5 is hinged with the support frame 10; the second chain wheel 6 is fixedly connected with the support frame 10; the first sprocket 5 is in transmission connection with the rotary swing arm assembly through a first chain 4, so that the first sprocket 5 can be driven to rotate positively and negatively when the rotary swing arm assembly rotates; the second chain wheel 6 is in transmission connection with a second chain 12; the lifting swing arm assembly comprises a lifting swing arm 3 and a third sprocket 2; one end of the lifting swing arm 3 is hinged with the support frame 10, and the first chain wheel 5 can drive the lifting swing arm 3 to synchronously and co-rotate; the other end of the lifting swing arm 3 is hinged with a third chain wheel 2; the second sprocket 6 and the third sprocket 2 are in driving connection through a second chain 12; the hopper 1 is hinged with the lifting swing arm 3; the third chain wheel 2 is connected with the hopper 1 to drive the hopper 1 to synchronously and co-rotate.

The second chain 12 can rotate around the axis of the second sprocket 6 through the matched driving of the driving unit 9, the rotary swing arm assembly, the intermediate rotation sprocket assembly and the lifting swing arm assembly, so that the second chain is meshed with the second sprocket 6 for transmission, and the second sprocket 6 can drive the third sprocket 2 to rotate; and the rotation direction of the third chain wheel 2 is opposite to the rotation direction of the first chain wheel 5 and the rotation angle is the same, so that the rotation direction of the lifting swing arm 3 is opposite to the rotation direction of the third chain wheel 2 and the rotation angle is the same, and the stable transportation of materials is realized by keeping the posture of the hopper 1 unchanged in the swing lifting process.

The driving unit 9 is removed, and the utility model realizes that the posture of the hopper 1 is kept unchanged in the swing lifting process through the transmission among pure mechanical structures, and the transmission structure is simple and practical; through the mode that swings the promotion, can once only transport hopper 1 to the station of unloading, transport efficiency is high.

As shown in fig. 3, the rotary swing arm assembly includes a rotary swing arm 8, a first connecting rod 7, and a second connecting rod; the middle part of the rotary swing arm 8 is hinged with a support frame 10; the first connecting rod 7 and the second connecting rod are respectively hinged to the head end and the tail end of the rotary swing arm 8; one end of the first chain 4 is connected with a first connecting rod 7, and the other end is connected with a second connecting rod through a first chain wheel 5. In this embodiment, the first connecting rod 7 and the second connecting rod may be connecting rods having identical structures, and are used to cooperate with the transmission between the rotary swing arm 8 and the first sprocket 5. Alternatively, the first connecting rod 7 is hinged to the first chain 4, and the second connecting rod is hinged to the first chain 4, so that the first chain 4 can be kept substantially horizontal during rotation of the rotary swing arm 8, so that the first chain 4 and the first sprocket 5 can be driven more stably.

Further, the telescopic rod of the driving unit 9 is hinged to the rotary swing arm 8, so that the driving unit 9 can drive the rotary swing arm 8 to rotate. In this embodiment, the driving unit 9 selects an oil cylinder, so that the bearing capacity of the oil cylinder and the stability of the telescopic rod are better, which is beneficial to stably driving the rotary swing arm 8 and improving the stability of the hopper 1 during movement. The drive unit 9 may be provided on the outer structure, hinged thereto, to cooperate with the rotation of the rotary swing arm 8.

Secondly, the diameters and the teeth numbers of the chain wheels of the second chain wheel 6 and the third chain wheel 2 are consistent, and the second chain wheel 6 and the third chain wheel 2 can be identical chain wheels, so that the length of a rack discharged by the second chain wheel 6 is equal to the length of a rack eaten by the third chain wheel 2, and the linear speeds of the second chain wheel 6 and the third chain wheel 2 can be understood to be equal, so that the second chain 12 can be always in a tight state in the transmission process, the continuous limit of the hopper 1 is realized, and the side turning of the hopper 1 can be effectively avoided.

The principle of the present utility model can be referred to fig. 4, and fig. 4 is a schematic view of the state of the second chain 12 when rotating around the second sprocket 6, including the home position 13 and the swing position 14; the home position 13 is a position where the second chain 12 correspondingly stays when the hopper 1 is positioned at the feeding station, and the swinging state 14 is a position where the second chain 12 stays when the hopper 1 swings in the lifting swing arm 3. As shown in fig. 4, the second sprocket 6 is always stationary during rotation of the second chain 12, and a first home engagement point 131 (a right-hand tangent point of the second chain 12 and the second sprocket 6 in the home position) and a second home engagement point 132 (a left Bian Qiedian of the second chain 12 and the second sprocket 6 in the home position) corresponding to the home position 13 are described as an example. When the second chain 12 swings to the swinging state 14, the first home engagement point 131 moves to the first swinging engagement point 141, the second home engagement point 132 moves to the second swinging engagement point 142, and the angle (i.e., angle a) formed by the first home engagement point 131, the first swinging engagement point 141 and the axis of the second sprocket 6 is equal to the angle b formed by the second home engagement point 132, the second swinging engagement point 142 and the axis of the second sprocket 6; the angle a is equal in magnitude and opposite in direction to the angle b, the second sprocket 6 feeds in how much length of chain at the angle a, and the third sprocket 2 feeds in how much length of chain at the angle b. The second chain 12 can be regarded as moving relative to the second sprocket 6, that is, the second chain 12 and the second sprocket 6 are in meshed transmission, the second chain 12 further drives the third sprocket 2 to be in meshed transmission, and the swing angle of the lifting swing arm 3 is equal to the rotation angle of the third sprocket 2, so that the hopper 1 rotates in the opposite direction of the first direction, and the posture of the hopper 1 is kept unchanged all the time in the lifting process of materials.

In addition, the support frame 10 includes a Y-shaped bracket and a column; the top end of the upright post is connected with a Y-shaped bracket, and the top end of the Y-shaped bracket is respectively hinged with a rotary swing arm assembly and a transfer chain wheel assembly. The unloading station comprises an unloading platform 11 and a conveying platform, wherein the unloading platform 11 is arranged on the conveying platform. The support frame 10 may be disposed in front of the discharge table 11, i.e., on the left side of the discharge table 11 in fig. 2 (refer to the positions of the discharge table 11 and the transport platform only, and not refer to the position of the lifting device in the drawing), and the hopper 1 can be transported to the discharge table 11 for discharging by swinging the swing arm assembly; the hopper 1 can be unloaded through the arrangement of the lifting device, the transportation is efficient and convenient, and the lifting device is arranged in front of the unloading table 11, so that the situation of interference with the transportation platform can be effectively avoided.

Further, the hinge point of the Y-shaped bracket and the first sprocket wheel 5, and the hinge point of the Y-shaped bracket and the rotary swing arm assembly are located on the same horizontal plane. The chains of the first chain 4 are arranged at the same horizontal plane to be shortest in length, and the stability of the transmission of the device is improved.

Secondly, the Y-shaped bracket comprises paired Y-shaped plates which are arranged at the top ends of the upright posts in parallel; the rotary swing arm assembly and the transfer chain wheel assembly are arranged between the paired Y-shaped plates. To further enhance the load carrying capacity and stability of the support frame 10, cross beams may also be provided between pairs of Y-shaped plates. Specifically, the rotary swing arm 8 is hinged between the paired Y-shaped plates; the first sprockets 5 are arranged in pairs in the present embodiment, and the pairs of first sprockets 5 are fixedly connected and can simultaneously carry out meshing transmission with the first chain 4, so that the stability of transmission can be further enhanced. The paired first chain wheels 5 and the lifting swing arms 3 can be hinged between the paired Y-shaped plates through the same hinge rod, and the first chain wheels 5 and the lifting swing arms 3 can be fixedly connected, so long as the first chain wheels 5 can drive the lifting swing arms 3 to synchronously and co-rotate. The second sprocket 6 is fixedly arranged on the inner side of the Y-shaped bracket and is positioned in the lifting swing arm 3, so that the lifting swing arm 3 can swing relative to the second sprocket 6.

In addition, the drive unit 9 is hinged to the support frame 10. The driving unit 9 comprises a shell and a telescopic rod, the shell is hinged with the support frame 10 to adapt to the rotation of the rotary swing arm 8, and the problem that the shell of the driving unit 9 interferes with the support frame 10 can be effectively avoided. Of course, the housing of the drive unit 9 may also be provided on other rigid structures.

Further, the feeding mechanism comprises lifting devices arranged in pairs; the hopper 1 is positioned between the two lifting swing arms 3; both ends of the hopper 1 are hinged with the lifting swing arms 3. Referring to fig. 1, the rotating swing arms 8 can be driven by one driving unit 9 or synchronously driven by a plurality of driving units 9, so that the lifting swing arms 3 on two sides of the hopper 1 swing synchronously, and the posture of the hopper 1 is kept unchanged all the time in the process of transporting materials. Compared with the embodiment of only arranging one lifting device, the hopper 1 of the embodiment of arranging two lifting swing arms 3 has stronger bearing capacity, can transport more materials, and further improves the transportation efficiency of the materials.

In addition, the utility model also provides a feeding method for keeping the posture of the hopper unchanged in the overturning process, which is implemented based on a feeding mechanism for keeping the posture of the hopper unchanged in the overturning process, and comprises the following steps of:

the driving unit 9 drives the rotation swing arm 8 to rotate in a first direction, which is a clockwise rotation direction or a counterclockwise rotation direction of the rotation swing arm 8; the rotary swing arm 8 drives the first sprocket 5 to rotate along a first direction through the first chain 4, and the lifting swing arm 3 fixedly connected with the first sprocket 5 synchronously rotates along the first direction;

the second chain 12 synchronously rotates along with the lifting swing arm 3 towards the first direction, the second chain 12 is meshed with the second chain wheel 6 for transmission, the second chain 12 further drives the third chain wheel 2 to rotate along the direction opposite to the first direction, the third chain wheel 2 synchronously drives the hopper 1 to rotate along the direction opposite to the first direction, the hopper 1 is transported to the unloading station, namely, the unloading station 11, and the posture of the hopper 1 in the transportation process is kept unchanged.

It should be understood that the above description of the specific embodiments of the present utility model is only for illustrating the technical route and features of the present utility model, and is for enabling those skilled in the art to understand the present utility model and implement it accordingly, but the present utility model is not limited to the above-described specific embodiments. All changes or modifications that come within the scope of the appended claims are intended to be embraced therein.

Claims (9)

1. Feed mechanism that hopper gesture kept unchanged in the upset process, a serial communication port, feed mechanism includes hoisting device and installs hopper (1) on the hoisting device, hoisting device includes:

a support (10);

the rotary swing arm assembly is hinged with the support frame (10);

the telescopic rod of the driving unit (9) is connected with the rotary swing arm assembly, so that the rotary swing arm assembly can rotate positively and negatively along with the telescopic rod of the driving unit (9);

a transfer sprocket assembly comprising a first chain (4), a second chain (12), a first sprocket (5) and a second sprocket (6); the first chain wheel (5) is hinged with the supporting frame (10); the second chain wheel (6) is fixedly connected with the supporting frame (10); the first sprocket (5) is in transmission connection with the rotary swing arm assembly through the first chain (4), so that the first sprocket (5) can be driven to rotate positively and negatively when the rotary swing arm assembly rotates; the second chain wheel (6) is in transmission connection with the second chain (12);

the lifting swing arm assembly comprises a lifting swing arm (3) and a third sprocket (2); one end of the lifting swing arm (3) is hinged with the supporting frame (10), and the first chain wheel (5) can drive the lifting swing arm (3) to synchronously and co-rotate; the other end of the lifting swing arm (3) is hinged with the third chain wheel (2); the second chain wheel (6) and the third chain wheel (2) are in transmission connection through the second chain (12);

the hopper (1) is hinged with the lifting swing arm (3); the third chain wheel (2) is connected with the hopper (1) so as to drive the hopper (1) to synchronously and co-rotate.

2. The feeding mechanism with the unchanged hopper posture in the overturning process according to claim 1, wherein the rotary swing arm assembly comprises a rotary swing arm (8), a first connecting rod (7) and a second connecting rod; the middle part of the rotary swing arm (8) is hinged with the support frame (10); the first connecting rod (7) and the second connecting rod are respectively hinged to the head end and the tail end of the rotary swing arm (8);

one end of the first chain (4) is connected with the first connecting rod (7), and the other end of the first chain is connected with the second connecting rod through the first chain wheel (5).

3. Feeding mechanism with the unchanged hopper posture during the overturning process according to claim 2, characterized in that the telescopic rod of the driving unit (9) is hinged with the rotating swing arm (8) so that the driving unit (9) can drive the rotating swing arm (8) to rotate.

4. A feeding mechanism according to any one of claims 1-3, wherein the hopper attitude remains unchanged during turning, characterized in that the diameters and the number of teeth of the sprockets of the second sprocket (6) and the third sprocket (2) are identical.

5. A loading mechanism for keeping the posture of a hopper unchanged during the overturning process according to any one of claims 1-3, characterized in that the supporting frame (10) comprises a Y-shaped bracket and a column; the top of the upright post is connected with the Y-shaped bracket, and the top of the Y-shaped bracket is respectively hinged with a rotary swing arm assembly and a transfer chain wheel assembly.

6. The feeding mechanism with the unchanged hopper posture in the overturning process according to claim 5, wherein the hinge point of the Y-shaped bracket and the first sprocket (5) and the hinge point of the Y-shaped bracket and the rotary swing arm assembly are positioned on the same horizontal plane.

7. The feeding mechanism for keeping the posture of the hopper unchanged in the overturning process according to claim 5, wherein the Y-shaped bracket comprises a pair of Y-shaped plates, and the pair of Y-shaped plates are arranged at the top ends of the upright posts in parallel; the rotary swing arm assemblies and the transfer sprocket assemblies are arranged between the Y-shaped plates in pairs.

8. A loading mechanism according to any one of claims 1-3, wherein the hopper attitude remains unchanged during the overturning process, characterized in that the drive unit (9) is hinged to the support frame (10).

9. A feeding mechanism for keeping the posture of a hopper unchanged during the overturning process according to any one of claims 1 to 3, wherein the feeding mechanism comprises lifting devices arranged in pairs; the hopper (1) is positioned between the two lifting swing arms (3); both ends of the hopper (1) are hinged with the lifting swing arms (3).

Images