TWM636147U - Rising and descending mechanism of automatic film packaging machine - Google Patents

Abstract

This creation is a lifting mechanism for an automatic film packaging machine, which includes a mounting base, a vertical shaft, a lifting driver and a lifting seat; the vertical shaft is set upright on the mounting base; the lifting drive is set on the mounting base; the lifting seat is connected to the lifting drive through a transmission component; The lifting seat includes a linear bearing block fixed to each other, a main base body, a setting plate and a plurality of lifting bearing parts; the linear bearing block is sleeved on the vertical shaft; multiple lifting bearing parts, the main base body, and the linear bearing block for carrying objects in the lifting seat Fixed to each other, the structure of the lifting seat is simple, the setting of the feeding mechanism is omitted, the weight is greatly reduced, the load of the lifting driver is effectively reduced, vibration and noise are reduced, and at the same time, the tension spring can be removed and the lifting mechanism can still be lifted normally; The modular design makes the installation and disassembly process more convenient and quicker.

Description

Lifting mechanism of automatic film packaging machine

The invention relates to an automatic film packaging machine, especially a lifting mechanism of an automatic film packaging machine.

Automatic film packaging machine is a kind of machine equipment for film packaging, which can be found in the fresh market or other occasions that require film packaging; automatic film packaging through automatic film packaging machine can reduce the demand for manpower for sealing film packaging.

The existing automatic film packaging machine usually includes a weighing mechanism, a lifting mechanism and a packaging platform. First, the weighing mechanism weighs the material to be film-packed, and then the lifting mechanism lifts the material to the packaging platform for film packaging.

However, the lifting mechanism of the existing automatic film packaging machine needs to combine the lifting mechanism that can lift the material from the weighing mechanism, and the horizontal feeding mechanism that can move back and forth between the packaging platform and the horizontal distance of the weighing mechanism. In terms of mechanism, in order to transport items from the weighing mechanism, the structure of the lifting mechanism is complicated, and the load of the stepping motor used for lifting in the lifting mechanism is large, and it is easy to lose steps, that is, the torque of the stepping motor load exceeds The torque provided by the stepping motor prevents the rotor in the stepping motor from rotating synchronously with the rotating magnetic field of the stator, resulting in greater noise and vibration.

In addition, in order to allow the lifting mechanism with a heavy load to lift normally, additional extension springs are required to assist, increasing the probability of failure and the cost of the machine; it can be seen that the lifting mechanism of the existing automatic film packaging machine has been improved and room for improvement.

In order to solve the shortcomings of the lifting mechanism of the existing automatic film packaging machine, the purpose of this creation is to provide a lifting mechanism of the automatic film packaging machine that can be relatively lightweight and can be matched with other mechanisms to transport materials stably.

The lifting mechanism of the automatic film packaging machine proposed in this creation to solve technical problems includes: a mounting base; at least one vertical shaft, the at least one vertical shaft is vertically fixed to the installation base; a lifting drive, which is arranged on the installation base; and A lifting base, the lifting base is connected to the lifting driver through a transmission assembly; the lifting base includes a main base body, at least a linear bearing block, a setting plate and a plurality of lifting bearing parts; the at least linear bearing block is fixed on the main base body and is sleeved on the at least one vertical shaft, so that the lifting seat can be driven by the lifting driver to rise or fall linearly along the at least one vertical shaft; the setting plate is fixed on the main base body, and the plurality of lifting bearings fixed on the setting plate at intervals.

The lifting mechanism of the automatic film packaging machine, wherein the installation base includes a top plate and a bottom plate opposite up and down; the transmission assembly includes a transmission rod provided with a first synchronous wheel, a first synchronous belt, a The second synchronous wheel and a second synchronous belt; the transmission rod can be rotatably arranged on the bottom plate; the first synchronous belt surrounds an output shaft and the first synchronous wheel sleeved on the lifting driver; the second synchronous wheel It is arranged on the top plate and is linearly opposed to the transmission rod in a vertical direction; the second synchronous belt is wrapped around the transmission rod and the second synchronous wheel, and is connected with the lifting seat.

The lifting mechanism of the automatic film packaging machine, wherein the main body of the lifting seat has an inverted L-shaped structure and includes a connected vertical part and a horizontal part, the at least one linear bearing block is fixed on the vertical part, The setting plate is fixed on the horizontal part, and the main base body and the setting plate are each an aluminum structure.

The lifting mechanism of the automatic film packaging machine includes two vertical shafts; the two vertical shafts are fixed on the installation base at intervals; wherein each of the vertical shafts is a chrome-plated optical shaft.

The lifting mechanism of the automatic film packaging machine, wherein the lifting driver is a stepping motor.

The lifting mechanism of the automatic film packaging machine, wherein the setting plate of the lifting seat includes a plurality of spaced setting parts, a gap is formed between two adjacent setting parts, and each lifting carrier It is fixed on one of the corresponding setting parts of the setting plate.

The lifting mechanism of the automatic film packaging machine, wherein each of the lifting bearings includes a bearing bracket, a film pick and a torsion spring, the sandwich pick is pivotally connected to the top of the load support, and the torsion spring It is arranged at the pivotal joint between the carrying bracket and the film clipping piece, and one end of the torsion spring is connected to the carrying frame, and the other end of the torsion spring is connected to the film clipping piece.

The effect enhancement that the technical means of this creation can obtain is: 1. The lifting mechanism of the automatic film packaging machine of this invention, the linear bearing block of the lifting seat is sleeved on the vertical shaft, and the linear bearing block, the main base body, the setting plate and a plurality of lifting bearings for carrying items The parts are fixed to each other, and the structure of the lifting seat is simple. Compared with the lifting mechanism of the existing automatic film packaging machine, this creation no longer combines the feeding mechanism and the lifting mechanism, and does not have other driving mechanisms and transmission mechanisms, which can greatly reduce the weight. When the lifting driver only needs to drive the lifting base and the items carried by the lifting base to lift up and down, the load is greatly reduced, and the vibration and noise generated during operation can also be effectively reduced. 2. The lifting mechanism of the automatic film packaging machine of this creation can be greatly reduced due to the weight design, and does not need to be additionally equipped with tension springs for assistance like the lifting mechanism of the existing automatic film packaging machine, which can reduce the probability of failure and the cost of the machine. 3. The lifting mechanism of the automatic film packaging machine of this creation, through the installation base, the modular design of the lifting mechanism, when installing or disassembling the lifting mechanism, you only need to quickly fix the installation base on the The machine base of the automatic film packaging machine or loosen the bolts that fix the installation base.

In order to understand the technical characteristics and practical effects of this creation in detail, and to realize it according to the content of the creation, the preferred embodiment shown in the figure is further described in detail as follows:

As shown in Figure 1 and Figure 2, the lifting mechanism of the automatic film packaging machine of the preferred embodiment of the present invention includes a mounting base 10, a lifting driver 20, a transmission assembly 30, two vertical shafts 40 and a lifting seat 50 .

As shown in Figures 1 and 2, the installation base 10 includes a base plate 11, side plates 12 and a top plate 13; On a machine pedestal of the packaging machine; the two side plates 12 are spaced and uprightly arranged on the bottom plate 11, and each of the side plates 12 is roughly trapezoidal; the top plate 13 is arranged on the top of the two side plates 12; in this creation, The lifting mechanism is modularized through the installation base 10. When the lifting mechanism needs to be installed or disassembled, it is only necessary to fix the bottom plate 11 to the machine base of the automatic film packaging machine through bolts or to fix the bottom plate. The bolts of 11 are loosened, which can make the installation and disassembly process more convenient.

As shown in FIG. 1 and FIG. 2 , the lifting driver 20 is arranged on the base plate 11 , in this preferred embodiment, the lifting driver 20 adopts a stepping motor, and the lifting driver 20 is provided with an output shaft 21 .

As shown in Figures 1 and 2, the transmission assembly 30 is connected to the lifting driver 20 and the lifting seat 50, so that the lifting seat 50 can be lifted by the lifting driver 20 as shown in Figures 5 and 6; as shown in Figure 1 , shown in Fig. 2 and Fig. 4, this transmission assembly 30 comprises a first synchronous belt 31, is provided with a transmission bar 32 of a first synchronous wheel 321, a second synchronous belt 33 and a second synchronous wheel 34; The transmission The rod 32 is rotatably arranged on the bottom plate 11, the outer diameter of the transmission rod 32 is smaller than the outer diameter of the first synchronous wheel 321, and the transmission rod 32 and the set first synchronous wheel 321 will rotate synchronously; A synchronous belt 31 is set around the first synchronous wheel 321 and the output shaft 21 of the lifting driver 20; the second synchronous wheel 34 is arranged on the top plate 13, and the second synchronous belt 33 is wrapped around the second synchronous wheel 34 and the transmission rod 32; in this way, when the lifting driver 20 is activated, the second synchronous belt 33 can be passed around the second synchronous wheel 34 on the top plate 13 and the second synchronous wheel 34 on the bottom plate 11 through transmission. The transmission rod 32 moves circularly in the up and down direction.

As shown in Figures 1 and 2, the two vertical shafts 40 are spaced apart and extend upright from the base plate 11 to the top plate 13. In this preferred embodiment, each of the vertical shafts 40 adopts a chrome-plated optical shaft, which can adapt to the Humid, rust-prone environment.

As shown in Figures 1 and 2, the lifting base 50 includes a main base body 51, two linear bearing blocks 52, a setting plate 53 and a plurality of lifting bearings 54; the main base body 51 has an inverted L-shaped structure and includes An upright portion and a horizontal portion, and the main base body 51 is also provided with a timing belt pressing block 511, the timing belt pressing block 511 is fixed on the upright portion and combined with the second timing belt 33, so that the lifting seat 50 can Driven by the second synchronous belt 33, the two linear bearing blocks 52 are fixed on the upright portion of the main base body 51 at intervals, and the two linear bearing blocks 52 are respectively sleeved on the two vertical shafts 40, as shown in Figure 5 As shown in Fig. 6, thereby, when the lifting driver 20 is started, the second synchronous belt 33 is moved through the drive rod 32 and the transmission of the first synchronous belt 31 and drives the lifting seat 50 along the two vertical shafts 40 rises or falls in a straight line.

As shown in Figures 1 to 3, the setting plate 53 is fixed on the horizontal part of the main base body 51, and includes a plurality of spaced setting parts, and a gap is formed between two adjacent setting parts, wherein the The setting plate 53 and the main base body 51 are all aluminum structures, which can reduce the overall weight of the lifting seat 50; each of the lifting bearings 54 is fixed on one of the corresponding setting parts of the setting plate 53, so that The plurality of lifting bearings 54 are spaced apart; the plurality of lifting bearings 54 are used to carry an article, so that the article rises with the lifting seat 50. Specifically, the plurality of lifting bearings 54 will be connected with a feeding mechanism. A plurality of feeding carriers cooperate, and the positions of the plurality of lifting carriers 54 and the plurality of feeding carriers are staggered; first, the feeding mechanism will transport an article to the lifting seat 50, and the article is carried on the multiple Each of the feeding carriers extends into the corresponding two adjacent lifting carriers 54, then the lifting seat 50 rises, and each of the lifting carriers 54 goes upward and breaks away from the corresponding two adjacent lifting carriers 54. between two adjacent said feeding carriers, and the articles carried by said multiple feeding carriers are jacked up, and then carried by said plurality of lifting carriers 54, and conveyed upwards to one of said automatic film packaging machines. packaging platform.

In this preferred embodiment, the setting plate 53 can prevent the setting plate 53 from colliding with the feeding mechanism while strengthening the support of the plurality of lifting bearings 54 through a plurality of spaced apart setting parts, and can The setting plate 53 is reduced in weight.

As shown in FIG. 3 , in this preferred embodiment, except for the lifting carrier 54 located in the middle of the plurality of lifting carriers 54, each of the lifting carriers 54 in the remaining lifting carriers 54 includes A bearing bracket 541, a clamping membrane pick 542 and a torsion spring 543; the bearing bracket 541 is fixed on the setting plate 53, and the clamping membrane pick 542 is pivotally connected to the top of the bearing bracket 541 through a pivot, the twist The spring 543 is arranged on the pivot shaft on which the clipping piece 542 and the bearing bracket 541 are pivotally connected, and one end of the torsion spring 543 is connected to the clipping piece 542, and the other end of the torsion spring 543 is connected to the The carrying bracket 541, through the above-mentioned structure, can assist in sealing the film when the article is transported to the packaging platform of the automatic film packaging machine.

As shown in FIGS. 7 and 8 , when an article 90 carried by the plurality of elevating bearings 54 is about to rise to the packaging platform, the two sealing plates 81 of the packaging platform will be far away from each other and on the described packaging platform. The packaging platform forms an opening, and the opening will be covered with a layer of film M. When the article 90 rises to the packaging platform and passes through the opening, the film M will be gradually lifted up, so that the film M will be lifted from the article. The upper half of 90 covers the article 90, and when the lifting seat 50 rises to the top, the article 90 will completely pass through the opening, wherein the position of each sealing film plate 81 corresponds to the plurality of lifting bearings 54 in height At this time, the two sealing plates 81 will move from both sides of the plurality of elevating bearing parts 54 to each other through the structure of the clamping film picking piece 542 being pivotally connected to the bearing bracket 541. Approaching, and sequentially pushing away the clamping film picks 542 of the plurality of lifting bearings 54, so that the clamping membrane picks 542 of each lifting bearing 54 pivot downward relative to the bearing bracket 541, so that the film M gradually covers The lower half of the article 90 is held, and the article 90 is naturally no longer carried by the plurality of lifting bearings 54, but is carried by the two sealing plates 81, and then the lifting seat 50 is driven by the lifting driver 20 to descend Return to the original position, thus completing a lifting action.

In the lifting mechanism of the automatic film packaging machine of this creation, the linear bearing block 52 of the lifting seat 50 is sleeved on the vertical shaft 40, and the linear bearing block 52, the main base body 51, the setting plate 53 and a plurality of Lifting bearings 54 are mutually fixed, and the structure of the lifting seat 50 is simple and concise. Compared with the lifting mechanism of the existing automatic film packaging machine, the lifting seat 50 of the present creation no longer combines the feeding mechanism and the lifting mechanism, and does not have other driving mechanisms and Transmission mechanism, the weight of the lifting seat 50 is greatly reduced, which greatly reduces the load on the lifting driver 20, avoids the situation that the lifting driver 20 is prone to losing steps, and effectively reduces the vibration and noise generated during operation. 50 is lighter in weight, and the lifting driver 20 can normally drive the lifting seat 50 up and down. Compared with the lifting mechanism of the existing automatic film packaging machine, it can eliminate the setting of extension springs, reduce the probability of failure and the cost of the machine.

In this preferred embodiment, each of the lifting bearings 54 further adopts the form of the bearing bracket 541, the clamping film pick 542 and the torsion spring 543. 81 operation, the article can be separated from the plurality of lifting bearings 54 naturally, avoiding too much collision and vibration of the lifting base 50, and further reducing the probability of noise and damage to the lifting mechanism during operation.

In this preferred embodiment, the transmission assembly 30 is matched by the first synchronous belt 31 , the transmission rod 32 provided with the first synchronous wheel 321 , the second synchronous belt 33 and the second synchronous wheel 34 , to achieve the effect of transmission, but in fact, as long as the transmission assembly 30 is connected to the lifting driver 20 and the lifting seat 50, the transmission assembly 30 can also adopt different matching forms of synchronous belts and synchronous wheels, or such as ball screws, Gear sets, connecting rods and other known similar transmission components are configured to achieve the effect that the lifting driver 20 can drive the lifting base 50 to move up and down along the vertical shaft 40 .

The above is only a preferred embodiment of this creation, and does not limit this creation in any form. Anyone with ordinary knowledge in the technical field can use this creation without departing from the scope of the technical solutions proposed in this creation. Creation of equivalent embodiments with partial changes or modifications made to the disclosed technical content, and without departing from the content of the technical solution of the creation, all still fall within the scope of the technical solution of the creation.

10: Install the base 11: Bottom plate 12: side panel 13: top plate 20: Lifting drive 21: output shaft 30: Transmission components 31: The first timing belt 32: Transmission rod 321: The first synchronous wheel 33: The second synchronous belt 34: The second synchronous wheel 40: vertical shaft 50: Lifting seat 51: Main seat body 511: Timing belt pressing block 52: Linear bearing block 53: Setting board 54: lifting bearing 541: Bearing bracket 542: Clip film pick 543: torsion spring 81:Sealing board 90:Item M: film

Fig. 1 is the external perspective view of the front view of the preferred embodiment of the present invention. Fig. 2 is the exterior perspective view of the rear view of the preferred embodiment of the invention. Fig. 3 is the partially enlarged view of the lifting seat of the preferred embodiment of the present invention. Fig. 4 is the plane view of the front view of the preferred embodiment of the present invention. Fig. 5-6 is the action schematic diagram of the side view section along the A-A secant line of Fig. 4 of the preferred embodiment of the present invention. Fig. 7-8 is the action diagram of the front view plane of the lifting seat of the preferred embodiment of the present invention.

10: Install the base

11: Bottom plate

12: side panel

13: top plate

20: Lifting drive

21: output shaft

30: Transmission components

31: The first timing belt

33: The second synchronous belt

34: The second synchronous wheel

40: vertical shaft

50: Lifting seat

51: Main seat body

52: Linear bearing block

53: Setting board

54: lifting bearing

542: Clip film pick

543: torsion spring

Claims (8)

A lifting mechanism of an automatic film packaging machine, which includes: a mounting base; at least one vertical shaft, the at least one vertical shaft is vertically fixed to the installation base; a lifting drive, which is arranged on the installation base; and A lifting base, the lifting base is connected to the lifting driver through a transmission assembly; the lifting base includes a main base body, at least a linear bearing block, a setting plate and a plurality of lifting bearing parts; the at least linear bearing block is fixed on the main base body and is sleeved on the at least one vertical shaft, so that the lifting seat can be driven by the lifting driver to rise or fall linearly along the at least one vertical shaft; the setting plate is fixed on the main base body, and the plurality of lifting bearings fixed on the setting plate at intervals. The lifting mechanism of the automatic film packaging machine as described in claim 1, wherein the installation base includes a top plate and a bottom plate opposite up and down; the transmission assembly includes a transmission rod provided with a first synchronous wheel, a first Synchronous belt, a second synchronous wheel and a second synchronous belt; the transmission rod can be rotatably arranged on the bottom plate; the first synchronous belt wraps around an output shaft of the lifting driver and the first synchronous wheel; the The second synchronous wheel is arranged on the top plate and is linearly opposed to the transmission rod in an up-down direction; the second synchronous belt is wrapped around the transmission rod and the second synchronous wheel, and is connected with the lifting seat. The lifting mechanism of the automatic film packaging machine as described in claim 1, wherein the main body of the lifting seat has an inverted L-shaped structure and includes a connected vertical part and a horizontal part, and the at least linear bearing block is fixed on The upright part and the setting plate are fixed to the horizontal part, and the main base body and the setting plate are each an aluminum structure. The lifting mechanism of the automatic film packaging machine according to claim 1, which includes two vertical shafts; the two vertical shafts are fixed on the installation base at intervals; wherein, each of the vertical shafts is a chrome-plated optical shaft. The lifting mechanism of an automatic film packaging machine according to claim 1, wherein the lifting driver is a stepping motor. The lifting mechanism of an automatic film packaging machine according to any one of Claims 1 to 5, wherein the setting plate of the lifting seat includes a plurality of spaced setting parts, and between two adjacent setting parts A slot is formed, and each of the lifting bearings is fixed on a corresponding one of the setting parts of the setting plate. The lifting mechanism of the automatic film packaging machine as described in claim 6, wherein each of the lifting bearings includes a bearing bracket, a film pick and a torsion spring, and the sandwich pick is pivotally connected to the top of the load support , the torsion spring is arranged at the pivot joint between the bearing bracket and the diaphragm pick, and one end of the torsion spring is connected to the bearing bracket, and the other end of the torsion spring is connected to the sandwich pick. The lifting mechanism of an automatic film packaging machine as described in any one of claims 1 to 5, wherein each of the lifting bearings includes a bearing bracket, a film pick and a torsion spring, and the bearing bracket is fixed on the set plate, the clamping film pick is pivotally connected to the top of the bearing bracket, the torsion spring is arranged at the pivot joint of the bearing bracket and the clamping membrane pick, and one end of the torsion spring is connected to the bearing bracket, and the torsion spring The other end of the clip is connected to the clip membrane pick.

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