CN218199010U

CN218199010U - Rolling vacuum packaging machine

Info

Publication number: CN218199010U
Application number: CN202222906004.9U
Authority: CN
Inventors: 谢作际; 陈安琪
Original assignee: Zhejiang Lianyuan Machinery Co ltd
Current assignee: Zhejiang Lianyuan Machinery Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-03
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a rolling vacuum packaging machine, which comprises a frame, chain wheels arranged at the two ends of the upper part of the frame, a chain wound on the chain wheels, a conveyer belt arranged on the chain, and a vacuum cover arranged above the frame, wherein the two ends of the vacuum cover are connected with the upper ends of lifting arms; the lifting arm is guided to lift by adopting the guide wheel group formed by the rectangular arrangement of the intervals of the four guide wheels, and the vacuum cover is smooth and stable when lifting; when the half-width lower side on the conveyer belt sets up the backup pad and makes the vacuum lid cover the conveyer belt, the leakproofness is good, avoids leaking gas, and the evacuation is fast.

Description

Rolling vacuum packaging machine

Technical Field

The utility model relates to a vacuum packaging machine technical field specifically is a roll vacuum packaging machine.

Background

The rolling vacuum packaging machine is a kind of vacuum packaging machine, as shown in fig. 1, generally, two ends of the upper part of the frame are provided with chain wheels 18, a chain 19 is wound on the chain wheels 18, a closed-loop conveying belt 2 and a vacuum cover 3 arranged above the frame are arranged on the chain wheels 19, when the rolling vacuum packaging machine works, packaging bags are arranged in a positioning clamp 6 on the conveying belt 2, the chain is driven by a motor to run, and further the conveying belt is driven to run, when the conveying belt carrying the packaging bags runs to the lower part of the vacuum cover, the conveying belt is suspended, the vacuum cover descends to cover the corresponding part of the conveying belt for vacuumizing and bag sealing, at the moment, an operator can continue to place the packaging bags on the conveying belt which does not enter the area of the vacuum cover, the rolling vacuum packaging machine has the characteristic of high production efficiency, but the vacuum cover of the rolling vacuum packaging machine is usually driven to lift by a cylinder, so a special compressed air source needs to be additionally arranged, the cost of a user is increased, and the lifting cover is easy to be out of use when the air pressure fluctuates.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rolling vacuum packaging machine adopts coaxial mechanical drive's pendulum rod to promote the lifing arm and goes up and down, and vacuum lid lift stationarity is good, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a roll vacuum packaging machine, includes frame 1, locates sprocket 18, the package at 1 upper portion both ends of frame are in chain 19 on the sprocket 18, install conveyer belt 2 on the chain 19 and locating the vacuum lid 3 of 1 top of frame, the vacuum lid 3 both ends are connected with 4 upper ends of lifing arm, every the equal activity of lower extreme of lifing arm 4 articulates there is an pendulum rod 11, every the lifing arm 4 by locating the guide on the frame 1 carries out sharp lift direction, the pendulum rod 11 other end with frame 1 is connected, the drive is connected with the drive assembly transmission to pendulum rod 11 the swing makes 4 sharp lifts of lifing arm.

Further, the driving assembly comprises a motor 8 and a rotating shaft 12, the rotating shaft 12 is rotatably mounted on the frame 1 through a bearing with a seat 13, first eccentric blocks 14 are mounted at both ends of the rotating shaft 12, a roller shaft 20 is mounted at a free end of each first eccentric block 14, a roller 15 is rotatably mounted on each roller shaft 20, the roller 15 is in contact fit with the lower end face of the middle of the corresponding swing rod 11, the outer end of one roller shaft 20 is connected with one end of a second eccentric block 16, the other end of the second eccentric block 16 is connected with an output shaft of a speed reducer 9, and the speed reducer 9 is in transmission connection with the motor 8.

Furthermore, the guide member is a guide wheel group which is arranged on the frame 1 and is formed by at least four guide wheels 10 which are arranged in a rectangular manner at intervals, and an annular groove which is matched with the lifting arm 4 is formed in the outer circle of each guide wheel 10.

Furthermore, a guide sleeve 5 is also arranged at the upper end of the machine frame 1, and the lifting arm 4 penetrates through the guide sleeve 5 in a sliding manner.

Furthermore, a waist-shaped hole 1101 is formed in one end, connected with the rack 1, of the swing rod 11, and the waist-shaped hole 1101 is slidably sleeved on an outer cylindrical surface of a pin shaft 17 installed on the rack 1.

Furthermore, a support plate 7 is arranged below the upper half width of the conveying belt 2, the support plate 7 is located under the vacuum cover 3, and the peripheral edge of the vacuum cover 3 is located in the area of the support plate 7.

The utility model has the advantages that: the utility model provides a rolling vacuum packaging machine, which adopts a motor to drive a rotating shaft to rotate through a speed reducer, and a first eccentric block arranged on the rotating shaft and a roller on the first eccentric block push a swing rod to swing up and down so as to push a lifting arm to lift, further drive a vacuum cover to lift, and adopt a coaxial structure to ensure that the lifting consistency at two ends of the vacuum cover is good; the lifting arm is guided to lift by adopting the guide wheel group formed by the rectangular arrangement of the intervals of the four guide wheels, and the vacuum cover is smooth and stable when lifting; when the half-width lower side on the conveyer belt sets up the backup pad and makes the vacuum lid cover the conveyer belt, the leakproofness is good, avoids leaking gas, and the evacuation is fast.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a perspective view of the present invention from another viewing angle with the frame removed;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B (with the pedestal bearing removed);

FIG. 5 is an enlarged view of a portion of FIG. 3 at C;

fig. 6 is a cross-sectional view of the present invention (the lower half of the chain and the conveyor belt are hidden).

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a rolling vacuum packaging machine comprises a frame 1, chain wheels 18 arranged at two ends of the upper portion of the frame 1, chains 19 wound on the chain wheels 18, a conveying belt 2 installed on the chains 19, and a vacuum cover 3 arranged above the frame 1, wherein two ends of the vacuum cover 3 are connected with the upper ends of lifting arms 4, the lower end of each lifting arm 4 is movably hinged with a swing rod 11, each lifting arm 4 is guided by a guide piece arranged on the frame 1 to linearly lift, the other end of the swing rod 11 is connected with the frame 1, and the swing rod 11 is in transmission connection with a driving assembly to drive the swing rod 11 to swing so that the lifting arms 4 linearly lift; specifically, the driving assembly comprises a motor 8 and a rotating shaft 12, the rotating shaft 12 is rotatably arranged on the frame 1 through a bearing 13 with a base, first eccentric blocks 14 are respectively arranged at two ends of the rotating shaft 12, a roller shaft 20 is arranged at the free end of each first eccentric block 14, a roller 15 is rotatably arranged on each roller shaft 20, each roller 15 is in contact fit with the lower end face of the middle of the corresponding swing rod 11, the outer end of one roller shaft 20 is connected with one end of a second eccentric block 16, the other end of the second eccentric block 16 is connected with an output shaft of a speed reducer 9, the speed reducer 9 is in transmission connection with the motor 8, the first eccentric blocks 14 arranged at two ends of the rotating shaft 12 and the rollers 15 arranged on the first eccentric blocks 14 are arranged at the two ends of the rotating shaft 12 to push the swing rods 11 to swing up and down so as to push the lifting arms 4 to lift, and further drive the vacuum covers 3 to lift, the two ends of the coaxial structure cover 3 have good lifting consistency, and the sealing performance between the vacuum covers 3 and the conveying belt 2 is guaranteed during vacuum pumping; here, the end of the swing link 11 connected with the frame 1 is provided with a waist-shaped hole 1101, the waist-shaped hole 1101 is slidably sleeved on an outer cylindrical surface of a pin shaft 17 installed on the frame 1, so that when the roller 15 pushes the swing link 11, the swing link 11 swings around the hinge joint of the swing link 11 and the lifting arm 4 as an axis, and the other end of the swing link 11 also has a sliding space along the pin shaft 17 when rotating around the pin shaft 17, thereby avoiding mechanical interference when the swing link 11 swings, and ensuring that the vacuum cover 3 smoothly goes up and down.

As a preferred embodiment, the guide member is a guide wheel group which is arranged on the frame 1 and is formed by at least four guide wheels 10 which are arranged at intervals in a rectangular manner, an annular groove matched with the lifting arm 4 is formed in the excircle of each guide wheel 10, so that the two inner sides of the annular groove are matched with the two side walls of the lifting arm to prevent the lifting arm from shaking, the other two outer side walls of the lifting arm are in rolling contact with the excircle of the guide wheel 10, and the lifting arm is lifted and guided to enable the vacuum cover to move smoothly and stably during lifting.

Further preferably, the guide sleeve 5 is further arranged at the upper end of the rack 1, the lifting arm 4 penetrates through the guide sleeve 5 in a sliding mode, an inner hole of the guide sleeve 5 is square and consistent with the lifting arm 4 in shape, the guide sleeve and the lifting arm are in sliding fit, on one hand, the auxiliary guiding effect is achieved, and on the other hand, large sundries are prevented from falling into the rack.

Further preferred, conveyer belt 2 is provided with backup pad 7 and backup pad 7 below the first half below is located vacuum cover 3, vacuum cover 3 all around the edge be located backup pad 7 region, so, when vacuum cover 3 goes down to cover when conveyer belt 2 upper surface, backup pad 7 steadily supports the conveyer belt that corresponds the position and live, avoid

conveyer belt

2 and 3 lower edge contact failure of vacuum cover, gas leakage during the evacuation, set up backup pad 7 when conveyer belt 2 is first half below and make vacuum cover 3 cover conveyer belt 2 promptly, the leakproofness is good, avoid gas leakage, it is fast to evacuate fast.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a roll vacuum packaging machine, includes frame (1), locates sprocket (18), the dress of frame (1) upper portion both ends are around being in chain (19) on sprocket (18), installing conveyer belt (2) on chain (19) and locating vacuum lid (3) of frame (1) top, its characterized in that: vacuum lid (3) both ends are connected with lifing arm (4) upper end, every the equal activity of lower extreme of lifing arm (4) articulates there is an pendulum rod (11), every lifing arm (4) are by locating guide on frame (1) carries out sharp lift direction, the pendulum rod (11) other end with frame (1) is connected, pendulum rod (11) are connected the drive with the drive assembly transmission pendulum rod (11) swing makes lifing arm (4) sharp lift.

2. A rolling vacuum packaging machine as claimed in claim 1, characterized in that: the driving assembly comprises a motor (8) and a rotating shaft (12), the rotating shaft (12) is rotatably installed on the rack (1) through a bearing with a base (13), first eccentric blocks (14) are installed at two ends of the rotating shaft (12), a roller shaft (20) is installed at the free end of each first eccentric block (14), a roller (15) is rotatably installed on the roller shaft (20), the roller (15) is in contact fit with the lower end face of the middle of the corresponding swing rod (11), the outer end of one of the roller shafts (20) is connected with one end of a second eccentric block (16), the other end of the second eccentric block (16) is connected with an output shaft of a speed reducer (9), and the speed reducer (9) is in transmission connection with the motor (8).

3. A rolling vacuum packaging machine as claimed in claim 1, characterized in that: the guide piece is installed the guide pulley group that constitutes by four at least guide pulleys (10) interval rectangle arrangement on frame (1), every guide pulley (10) excircle all be equipped with the annular of lifing arm (4) adaptation.

4. A rolling vacuum packaging machine as claimed in claim 1, characterized in that: a guide sleeve (5) is further installed at the upper end of the machine frame (1), and the lifting arm (4) penetrates through the guide sleeve (5) in a sliding mode.

5. A rolling vacuum packaging machine as claimed in claim 2, characterized in that: pendulum rod (11) with the one end that frame (1) is connected is equipped with waist shape hole (1101), waist shape hole (1101) slip cap establish install in round pin axle (17) outer cylindrical surface on frame (1).

6. A rolling vacuum packaging machine according to any one of claims 1 to 5, characterized in that: the upper half width of the conveying belt (2) is provided with a supporting plate (7) below, the supporting plate (7) is located under the vacuum cover (3), and the edges of the periphery of the vacuum cover (3) are located in the area of the supporting plate (7).