TWM641825U - Lifting mechanism - Google Patents

Abstract

A jacking mechanism includes a base assembly, a jacking assembly and a jacking platform assembly. The base assembly includes a base and a limit frame. The limit frame is arranged on the base. The jacking assembly includes a driver and a cam structure. One end is connected with the limit frame, the second end of the driver is rotatably connected with the connecting end of the cam structure, the central end of the cam structure is rotatably connected with the base, the jacking platform assembly is movably connected with the limit frame, and the cam The drive end of the structure is movably connected to the jacking platform assembly. The technical scheme of the invention effectively solves the problem that the structure of the jacking mechanism in the prior art requires multiple groups of cylinders, which brings about a relatively complicated structure.

Description

Jacking mechanism

This creation relates to the technical field of jacking mechanisms, specifically, a jacking mechanism.

During the assembly process of various components such as Bluetooth headsets, mobile phones, notebooks and electronic watches, a single station needs to lift the carrier to the corresponding assembly area.

As shown in FIG. 1 , the existing jacking mechanism includes a platform 1 and multiple groups of cylinders 2 , and each group of cylinders 2 is located at the lower part of the platform 1 to lift the platform 1 . During the movement, the air pipe of the power cylinder will block the movement of the mechanism, and each cylinder action needs to wait for a signal to complete, which is relatively inefficient, and the cylinder sensor is easily damaged and the frequency of replacement is high, which increases the difficulty of debugging personnel (for example, one of the cylinders If there is a problem, it is difficult to find out which one) and the instability of the machine (one of the cylinders has a problem, and the whole mechanism will have a problem), which reduces the time utilization rate and increases production costs.

The main purpose of this creation is to provide a jacking mechanism to solve the problem that the structure of the jacking mechanism in the prior art requires multiple sets of cylinders, which brings about a relatively complicated structure.

In order to achieve the above purpose, this creation provides a jacking mechanism, including a base assembly, a jacking assembly and a jacking platform assembly. The base assembly includes a base and a limit frame, and the limit frame is arranged on the base to lift The assembly includes a driver and a cam structure, the first end of the driver is connected to the limit frame, the second end of the driver is rotatably connected to the connecting end of the cam structure, the central end of the cam structure is rotatably connected to the base, and the jacking platform assembly It is movably connected with the limit frame, and the driving end of the cam structure is movably connected with the jacking platform assembly.

During implementation, the cam structure includes a first connecting arm and a second connecting arm connected at an angle, the first end of the first connecting arm is connected with the second end of the second connecting arm, and the first connecting arm of the first connecting arm The two ends are connected with the second end of the driver, the second end of the second connecting arm is connected with the lifting platform assembly, and the first end of the second connecting arm is rotatably connected with the base.

In practice, the jacking platform assembly includes a platform and at least one vertical plate, a long hole is arranged on the vertical plate, and the second end of the second connecting arm is movably arranged in the long hole.

During implementation, the long hole extends from close to the limit frame to away from the limit frame.

During implementation, the vertical board includes two, and the two vertical boards are connected to the side of the platform facing the base, and the two vertical boards are arranged on both sides of the platform at intervals, and the second connecting arms are arranged at intervals Two, the two second connecting arms are respectively set corresponding to the two vertical plates.

During implementation, the cam structure further includes a connecting shaft, the first connecting arm includes two, the two first connecting arms are respectively connected to the two second connecting arms correspondingly, the two ends of the connecting shaft are respectively connected to the two The second ends of the first connecting arms are connected, and the second end of the driver is connected on the connecting shaft between the two connecting arms.

In practice, when the platform is at the highest position, the pivot axis of the first end of the second connecting arm and the pivot axis of the second end of the second connecting arm are located in the same vertical plane.

In practice, the base assembly further includes a buffer, the buffer is fixed on the limit frame, and the buffer is arranged on a side of the jacking platform assembly away from the jacking assembly.

During implementation, the buffer includes a fixed seat, a piston cylinder and a buffer piston, the fixed seat is fixed on the limit frame, the piston cylinder is fixed on the fixed seat, and the first end of the buffer piston is movably Installed in the piston cylinder, the second end of the buffer piston faces the jacking platform assembly; or the buffer includes a fixed base, a buffer column and a spring, the fixed base is fixed on the limit frame, and the buffer The column is movably installed on the limit frame, the spring is sleeved on the buffer column, the first end of the spring is against the fixed seat, and the second end of the spring is in contact with the buffer column toward the top. Lift one end of the platform assembly against the top.

During implementation, the driver includes a driving cylinder and a driving piston, the driving cylinder is rotatably connected to the limit frame, the first end of the driving piston is located in the driving cylinder, the second end of the driving piston is connected to the The cam structure is rotatably connected.

In order to further understand this creation, a preferred embodiment is given below, and the specific composition and effect of this creation are described in detail as follows in conjunction with the drawings and figure numbers.

It should be noted that, in the case of no conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other. The invention will be described in detail below with reference to the accompanying drawings and embodiments.

It should be pointed out that the following detailed descriptions are all exemplary and are intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this creation belongs.

For ease of description, spatially relative terms such as "on", "over", "on the upper surface", "on" etc. may be used herein to describe an object as shown in the drawings. The spatial relationship of a device or feature to other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or configurations. under other devices or configurations". Thus, the exemplary term "above" can encompass both an orientation of "above" and "below". The device may be oriented differently, rotated 90 degrees, or at other orientations, and the spatially relative descriptions used herein interpreted accordingly.

As shown in Figures 2 and 3, the jacking mechanism of this embodiment includes a base assembly 10, a jacking assembly 20 and a jacking platform assembly 30, the base assembly 10 includes a base 11 and a limit frame 12, and the limit frame 12 is arranged on the base 11, the jacking assembly 20 includes a driver 21 and a cam structure 22, the first end of the driver 21 is connected to the limit frame 12, and the second end of the driver 21 is rotatably connected to the connecting end 100 of the cam structure 22 The central end 200 of the cam structure 22 is rotatably connected to the base 11 , the jacking platform assembly 30 is movably connected to the limit frame 12 , and the driving end 300 of the cam structure 22 is movably connected to the jacking platform assembly 30 .

Applying the technical solution of this embodiment, the driver 21 drives the rotation of the cam structure 22, and the cam structure 22 drives the jacking platform assembly 30. Since the cam structure 22 and the jacking platform assembly 30 are movably connected, the synthesis and decomposition of the movement , will be transformed into the lifting of the jacking platform assembly 30. The above-mentioned structure is replaced by the combination of the driver 21 and the cam structure 22. The combination of multiple cylinders in the prior art greatly reduces the number of cylinders and optimizes the jacking mechanism. The technical solution of this embodiment effectively solves the problem that the structure of the jacking mechanism in the prior art requires multiple sets of cylinders, which brings about a relatively complicated structure.

As shown in Figure 2 and Figure 3, in the technical solution of this embodiment, the cam structure 22 includes a first connecting arm 221 and a second connecting arm 222 connected at an angle, the first end of the first connecting arm 221 and the second connecting arm 221 The second end of the connecting arm 222 is connected, the second end of the first connecting arm 221 is connected with the second end of the driver 21, the second end of the second connecting arm 222 is connected with the jacking platform assembly 30, the second connecting arm 222 The first end is rotatably connected to the base 11 . The structure is light in weight and easy to operate. It should be noted that the cam structure 22 can be a wheel-shaped block, which can be connected at different positions to lift the jacking platform assembly 30 .

It should be noted that the second end of the second connecting arm 222 forms the driving end 300 , the second end of the first connecting arm 221 forms the connecting end 100 , and the above-mentioned cam structure 22 rotates around the central end 200 .

As shown in Figure 2, in the technical solution of this embodiment, the jacking platform assembly 30 includes a platform 31 and a vertical plate 32, the vertical plate 32 is provided with a long hole 321, and the second end of the second connecting arm 222 is movably Set in the long hole 321. The above-mentioned structure is easy to set, for example, the platform 31 is a flat plate, and it is inconvenient to arrange the slot 321 on the flat panel. It is more convenient to set the slot through the vertical plate 32, which will not damage the structure of the platform 31 and will not affect the operation on the platform 31.

As shown in FIG. 2 , in the technical solution of this embodiment, the long hole 321 extends from a direction close to the limit frame 12 to a direction away from the limit frame 12 . The above-mentioned structure of the elongated hole 321 not only ensures the constraint on the cam structure 22 , but also ensures that the cam structure 22 can drive the platform 31 up and down.

As shown in Figure 2, in the technical solution of this embodiment, the vertical board 32 includes two, and the two vertical boards 32 are all connected to the side of the platform 31 facing the base 11, and the two vertical boards 32 are arranged at intervals On both sides of the platform 31 , there are two second connecting arms 222 arranged at intervals, and the two second connecting arms 222 are respectively arranged corresponding to the two vertical plates 32 . The above-mentioned structure makes the force on the platform more balanced. It should be noted that the second end of the second connecting arm 222 is connected by a sliding shaft, and the two ends of the sliding shaft are movably disposed in the long holes 321 of the two vertical plates 32 . It should be noted that the sliding shaft can be a whole structure or two separate structures. In order to reduce weight, this embodiment adopts two separate sliding shafts.

As shown in FIG. 3 , in the technical solution of this embodiment, the cam structure 22 also includes a connecting shaft, and the first connecting arms 221 include two, and the two first connecting arms 221 correspond to the two second connecting arms 222 respectively. The two ends of the connecting shaft are respectively connected to the second ends of the two first connecting arms 221, and the second end of the driver 21 is connected to the connecting shaft between the two connecting arms. The above-mentioned structure makes the force on the platform 31 more balanced, and the above-mentioned structure drives multiple connecting arms through one driver 21 to exert force on the platform 31 .

As shown in Figures 2 and 3, in the technical solution of this embodiment, when the platform 31 is at the highest position, the pivot axis of the first end of the second connecting arm 222 and the pivot axis of the second end of the second connecting arm 222 are located at in the same vertical plane. The above-mentioned structure can realize the self-locking function, that is, when the platform 31 is at the highest position, a downward force is applied to the platform 31 without generating force components in other directions, and the platform 31 realizes the self-locking function. The base assembly 10 also includes slide rails, which are fixedly arranged on the limit frame 12 , and the lifting platform assembly 30 includes slide blocks, and the slide blocks are provided with slide grooves adapted to the slide rails.

As shown in Figures 2 and 3, in the technical solution of this embodiment, the base assembly 10 also includes a buffer 13, the buffer 13 is fixed on the limit frame 12, and the buffer 13 is arranged on the jacking platform assembly 30 The side away from the jacking assembly 20 . The setting of the buffer 13 further ensures the safety when the platform 31 rises.

As shown in Figure 2 and Figure 3, in the technical solution of this embodiment, the buffer 13 includes a fixed seat, a piston cylinder and a buffer piston, the fixed seat is fixed on the limit frame 12, the piston cylinder is fixed on the fixed seat, and the buffer The first end of the piston is movably installed in the piston cylinder, and the second end of the buffer piston faces the jacking platform assembly 30 . The above structure can easily control the buffer force exerted by the buffer 13 on the platform 31 by controlling the air pressure. As another embodiment, the buffer 13 includes a fixed base, a buffer column and a spring, the fixed base is fixed on the limit frame 12, the buffer column is movably installed on the limit frame 12, the spring is sleeved on the buffer column, and the spring The first end of the spring abuts against the fixed seat, and the second end of the spring abuts against the end of the buffer column facing the lifting platform assembly 30 . The structure is simple and the processing cost is low. It should be noted that, in order to ensure the force balance of the platform 31 , there are two buffers 13 .

As shown in Figures 2 and 3, in the technical solution of this embodiment, the driver 21 includes a driving cylinder and a driving piston, the driving cylinder is rotatably connected to the limit frame 12, and the first end of the driving piston is located in the driving cylinder , the second end of the driving piston is rotatably connected with the cam structure 22 . The above-mentioned structure places less constraints on the driver 21 and avoids the situation that the driver 21 is stuck. In addition, by arranging the driver 21 as a rotating structure, it is not necessary to arrange a long hole at the second end of the driver 21, a universal coupling and other structures, which simplifies the structure. It should be noted that there is only one driver 21 , that is, one driving cylinder and one driving piston.

Thus, applying the technical solution of this creation, the driver drives the rotation of the cam structure, and the cam structure drives the lifting platform assembly. Since the cam structure and the lifting platform assembly are movably connected, through the synthesis and decomposition of motion, it will be transformed into Lifting of the jacking platform assembly. The above-mentioned structure is replaced by the combination of the driver and the cam structure. The combination of multiple cylinders in the prior art greatly reduces the number of cylinders and optimizes the jacking mechanism. The technical scheme of the invention effectively solves the problem that the structure of the jacking mechanism in the prior art requires multiple groups of cylinders, which brings about a relatively complicated structure.

It should be noted that references in the specification to "one embodiment," "an embodiment," "exemplary embodiment," "some embodiments," etc. mean that the described embodiments may include particular features, structures, or characteristics, but not necessarily Each embodiment includes that particular feature, structure or characteristic. Furthermore, such phrases are not necessarily referring to the same embodiment. Furthermore, where a particular feature, structure, or characteristic is described in conjunction with an embodiment, it is within the purview of those skilled in the art to implement such feature, structure, or characteristic in conjunction with other embodiments that are explicitly or not explicitly described.

It should be noted that the terminology used here is only for describing specific embodiments, and is not intended to limit exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

It should be noted that the terms "first" and "second" in the specification and claims of the present invention and the above drawings are used to distinguish similar items, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the materials so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

The above are only preferred embodiments of this creation, and are not intended to limit this creation. For those skilled in the art, this creation can have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this creation shall be included within the scope of protection of this creation.

To sum up, according to the content disclosed above, this creation can indeed achieve the expected purpose of the new model, providing a jacking mechanism, which is extremely practical and of industrial use value, and the application for a new model patent is filed according to law.

1: Platform 2: Multiple groups of cylinders 10: Base assembly 11: Base 12: limit frame 13: buffer 20: Jacking components 21: drive 22: Cam structure 221: the first connecting arm 222: second connecting arm 30: Jacking platform components 31: Platform 32: Riser 321: long hole 100: connection end 200: center end 300: drive end

Fig. 1 is the schematic diagram of the three-dimensional structure of the jacking mechanism of the prior art; Fig. 2 is the schematic diagram of the three-dimensional structure of the jacking mechanism of the present creation embodiment; FIG. 3 is a schematic diagram of the internal structure of the jacking mechanism in FIG. 2 .

10: Base assembly

11: Base

12: limit frame

13: buffer

20: Jacking components

21: drive

22: Cam structure

30: Jacking platform components

31: Platform

32: Riser

321: long hole

Claims (10)

A jacking mechanism, comprising: A base assembly, including a base and a limit frame, the limit frame is arranged on the base; A jacking assembly includes a driver and a cam structure, the first end of the driver is connected with the limit frame, the second end of the driver is rotatably connected with the connection end of the cam structure, and the central end of the cam structure is rotatably connected to the base; A jacking platform assembly is movably connected with the limit frame, and the driving end of the cam structure is movably connected with the jacking platform assembly. The jacking mechanism as claimed in claim 1, wherein the cam structure includes a first connecting arm and a second connecting arm connected at an angle, a first end of the first connecting arm and a second end of the second connecting arm connected, the second end of the first connecting arm is connected with the second end of the driver, the second end of the second connecting arm is connected with the jacking platform assembly, the first end of the second connecting arm is connected with the base rotationally connected. The jacking mechanism as described in claim 2, wherein the jacking platform assembly includes a platform and at least one vertical plate, a long hole is arranged on the vertical plate, and the second end of the second connecting arm is movably arranged on the inside the long hole. The jacking mechanism according to claim 3, wherein the long hole extends from close to the limit frame to away from the limit frame. The jacking mechanism as described in claim 3, wherein the vertical plate includes two vertical plates, both of which are connected to the side of the platform facing the base, and the two vertical plates are arranged on both sides of the platform at intervals, There are two second connecting arms arranged at intervals, and the two second connecting arms are respectively arranged corresponding to the two vertical plates. The jacking mechanism as described in claim 5, wherein the cam structure further includes a connecting shaft, the first connecting arm includes two, and the two first connecting arms are respectively connected to the two second connecting arms correspondingly, the Both ends of the connecting shaft are respectively connected to the second ends of the two first connecting arms, and the second end of the driver is connected to the connecting shaft between the two connecting arms. The jacking mechanism as claimed in claim 3, wherein when the platform is at the highest position, the pivot axis of the first end of the second connecting arm and the pivot axis of the second end of the second connecting arm are located in the same vertical plane. The jacking mechanism as described in claim 1, wherein the base component further includes a buffer, the buffer is fixed on the limit frame, and the buffer is arranged on a side of the jacking platform component far away from the jacking component. side. The jacking mechanism as described in claim 8, wherein the buffer includes a fixed base, a piston cylinder and a buffer piston, the fixed base is fixed on the limit frame, the piston cylinder is fixed on the fixed base, the The first end of the buffer piston is movably installed in the piston cylinder, and the second end of the buffer piston faces the lifting platform assembly; or the buffer includes a fixed seat, a buffer post and a spring, and the fixed seat is fixed On the limit frame, the buffer column is movably mounted on the limit frame, the spring is sleeved on the buffer column, the first end of the spring is against the fixed seat, and the second end of the spring abutting against one end of the buffer column facing the lifting platform assembly. As the jacking mechanism described in any one of claims 1 to 9, wherein the driver includes a driving cylinder and a driving piston, the driving cylinder is rotatably connected to the limit frame, the first of the driving piston The second end of the driving piston is rotatably connected with the cam structure.

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