Lifting mechanism of pocket inserting machine

Abstract

The utility model relates to the technical field of pocket inserting machines, in particular to a pocket inserting machine lifting mechanism which comprises an installation frame, a lifting unit connected to the installation frame, a tray arranged on the top of the lifting unit, the lifting unit comprises a bracket, the tray is installed on the top of the bracket, a dust cover is arranged on one side of the bracket, and the dust cover is connected to the installation frame in a sliding mode. A driving motor is arranged on the dustproof cover, an output shaft of the driving motor penetrates into the dustproof cover, the end part of the output shaft is connected with a driving gear, a rack corresponding to the driving gear is arranged on the mounting frame, and the driving gear is meshed with the rack; when the driving gear rotates on the rack, the dustproof cover is driven to slide up and down along the mounting frame, and then the tray is driven to ascend and descend. The dust cover is arranged, so that on-site dust is prevented from entering, and operation of the driving motor is not affected; meanwhile, a gear and rack transmission structure is adopted, the manufacturing cost is low, and replacement and cleaning are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of bag inserting machines, in particular to a lifting mechanism for a bag inserting machine. Background Art

[0002] The packaging bags used in cement packaging machines mainly include glued bottom valve bags and seam valve bags. When in use, an automatic bag inserting machine is usually used to insert the bag opening at the upper end of the packaging bag on the feeding pipe of the cement packaging machine for filling; the existing bag inserting machine, such as a swing-arm glued bottom bag inserting machine with application number CN202121363311.6, comprises: a frame and a swing-arm mechanism; a bag supply mechanism, a bag delivery mechanism, a lifting mechanism, a bag correction mechanism, a bag supporting mechanism and a bag suction mechanism are installed on the frame; a bag clamping manipulator is installed on the swing-arm mechanism; the packaging bag is transported to the waiting area by the bag supply mechanism, and transported to the lifting mechanism by the bag delivery mechanism, and then the lifting mechanism raises the packaging bag to the grabbing position, and the bag suction mechanism cooperates to suck the packaging bag into the waiting area and open the packaging bag, and then the packaging bag is grabbed by the bag clamping manipulator, and then the packaging bag is inserted into the packaging mouth through the swing-arm mechanism.

[0003] The existing lifting mechanism of the automatic bag inserting machine is composed of a packaging bag tray, a pneumatic lifting guide rod, a shock-absorbing spring, a lifting cylinder, an electric lifting guide rod and a lifting electric cylinder; during use, due to the large amount of dust on site, the dust will cause wear to the internal seals and sliding parts of the cylinder, which will in turn shorten the service life of the cylinder or cause circuit failure. In addition, the dust will accumulate on the cylinder piston rod, increasing the friction of the cylinder piston rod and may cause the piston to get stuck; during use, the dust will affect the operation of the cylinder sensor and reduce the stability and reliability of the cylinder movement. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a bag inserter lifting mechanism that can be used in harsh environments with a lot of dust and is easy to clean and maintain.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A bag inserting machine lifting mechanism comprises a mounting frame, a lifting unit is connected to the mounting frame, a tray is arranged on the top of the lifting unit, the lifting unit comprises a bracket, the tray is mounted on the top of the bracket, a dust cover is arranged on one side of the bracket, and the dust cover is slidably connected to the mounting frame; a driving motor is arranged on the dust cover, the output shaft of the driving motor penetrates into the dust cover, a driving gear is connected to the end of the output shaft, a rack is arranged on the mounting frame corresponding to the driving gear, and the driving gear is meshed with the rack; when the driving gear rotates on the rack, the dust cover is driven to slide up and down along the mounting frame, thereby driving the tray to move up and down.

[0007] Compared with the prior art, the utility model adopting the above technical solution has the following outstanding features:

[0008] The mechanism is provided with a dust cover to prevent on-site dust from entering and affecting the operation of the driving motor; at the same time, the utility model adopts a transmission structure of gears and racks, which has low manufacturing costs and is easy to replace and clean.

[0009] As a preferred embodiment, a further technical solution of the utility model is:

[0010] Preferably, V-shaped guide rails are provided on both sides of the mounting frame, and V-shaped rollers are provided on both sides of the dust cover corresponding to the V-shaped guide rails, and the dust cover is slidably connected to the V-shaped guide rails of the mounting frame through the V-shaped rollers; the connection between the V-shaped guide rails and the V-shaped rollers is stable and easy to clean.

[0011] Preferably, a rotating shaft is provided on the dust cover, a sealed bearing is provided on the rotating shaft, and the V-shaped roller is rotatably connected to the rotating shaft via the sealed bearing; the sealed bearing can prevent dust from entering the interior of the bearing and affecting the rotation of the V-shaped roller.

[0012] Preferably, the driving motor is a right-angle reducer, and the output shaft of the right-angle reducer is arranged perpendicular to the dust cover; the right-angle reducer is arranged outside the dust cover, and the dust cover is provided with a through hole for the output shaft to pass through; a sealing shell is provided on the dust cover outside the through hole, and the housing of the right-angle reducer and the dust cover are sealed and connected through the sealing shell; dust is prevented from entering the right-angle reducer, circuit failure is avoided, and stable operation of the right-angle reducer is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the lifting mechanism of the bag inserting machine in the embodiment of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the other side of the lifting mechanism of the bag inserting machine in the embodiment of the utility model;

[0015] Figure 3 It is a left structural schematic diagram of the lifting mechanism of the bag inserting machine in the embodiment of the utility model;

[0016] Figure 4 It is a rear view structural diagram of the lifting mechanism of the bag inserting machine in the embodiment of the utility model;

[0017] Figure 5 yes Figure 4 Schematic diagram of the cross-sectional structure at AA in the middle.

[0018] Explanation of the reference numerals: 1. mounting frame; 2. tray; 201. table groove; 3. bracket; 4. dust cover; 5. driving motor; 6. V-shaped guide rail; 7. V-shaped roller; 8. driving gear; 9. rack; 10. sealed bearing; 11. sealing shell. DETAILED DESCRIPTION

[0019] The present invention is further described below in conjunction with specific embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0020] like Figures 1 to 5 As shown, this embodiment provides a bag inserting machine lifting mechanism, including a mounting frame 1, a lifting unit is connected to the mounting frame 1, a tray 2 is provided on the top of the lifting unit, and a table groove 201 is provided on the tray 2; the lifting unit includes a bracket 3, the tray 2 is installed on the top of the bracket 3, a dust cover 4 is provided on one side of the bracket 3, and the dust cover 4 is slidably connected to the mounting frame 1; a driving motor 5 is provided on the dust cover 4, the output shaft of the driving motor 5 penetrates into the dust cover 4, and the end of the output shaft is connected to a driving gear 8, and a rack 9 is provided on the mounting frame 1 corresponding to the driving gear 8, and the driving gear 8 is meshed with the rack 9; when the driving motor 5 drives the driving gear 8 to rotate, the driving gear 8 climbs or descends on the rack 9, thereby driving the dust cover 4 to slide up and down along the mounting frame 1, thereby driving the tray 2 to move up and down.

[0021] The sliding connection structure of the dust cover 4 is specifically as follows: V-shaped guide rails 6 are provided on the left and right sides of the mounting frame 1, and the V-shaped guide rails 6 are detachably connected to the mounting frame 1 by bolts, washers and nuts. V-shaped rollers 7 are provided on the dust cover 4 corresponding to the V-shaped guide rails 6. In the present embodiment, four V-shaped rollers 7 are provided, which are respectively located at the four corners of the dust cover 4, and two V-shaped rollers 7 correspond to each side of the V-shaped guide rails 6 on the left and right sides. The dust cover 4 is slidably connected to the V-shaped guide rails 6 of the mounting frame 1 through the V-shaped rollers 7; the specific connection structure of the V-shaped rollers 7 is as follows: a rotating shaft is provided on the dust cover 4, a sealed bearing 10 is provided on the rotating shaft, and the V-shaped rollers 7 are rotatably connected to the rotating shaft through the sealed bearings 10; by using the V-shaped guide rails 6 in conjunction with the V-shaped rollers 7, the sliding is more stable, and at the same time, the V-shaped guide rails 6 are easy to maintain and clean.

[0022] The driving motor 5 is a right-angle reducer, and the output shaft of the right-angle reducer is arranged perpendicular to the dust cover 4; the right-angle reducer is arranged outside the dust cover 4, and the dust cover 4 is provided with a through hole for the output shaft to pass through; a sealing shell 11 is arranged on the dust cover 4 outside the through hole, and the housing of the right-angle reducer and the dust cover 4 are sealed and connected through the sealing shell 11.

[0023] The utility model prevents on-site dust from entering the drive motor 5 or adhering to the drive gear 8 to affect the movement of the drive motor 5 and the drive rack 9 by arranging the dust cover 4 and the sealing shell 11; the equipment runs more safely, has a longer service life, and is easy to clean and maintain.

[0024] The above description is only the preferred embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent changes made using the contents of the present invention specification and its drawings are included in the scope of rights of the present invention.

Claims

1. A bag inserting machine lifting mechanism, comprising a mounting frame (1), a lifting unit connected to the mounting frame (1), a tray (2) provided on the top of the lifting unit, characterized in that: The lifting unit comprises a bracket (3), the tray (2) is mounted on the top of the bracket (3), a dust cover (4) is arranged on one side of the bracket (3), and the dust cover (4) is slidably connected to the mounting frame (1); a driving motor (5) is arranged on the dust cover (4), the output shaft of the driving motor (5) penetrates into the dust cover (4), the end of the output shaft is connected to a driving gear (8), and a rack (9) is arranged on the mounting frame (1) corresponding to the driving gear (8), and the driving gear (8) is meshed with the rack (9); when the driving gear (8) rotates on the rack (9), the dust cover (4) is driven to slide up and down along the mounting frame (1), thereby driving the tray (2) to move up and down.

2. The lifting mechanism of the bag inserting machine according to claim 1, characterized in that: V-shaped guide rails (6) are provided on both sides of the mounting frame (1), and V-shaped rollers (7) are provided on both sides of the dust cover (4) corresponding to the V-shaped guide rails (6). The dust cover (4) is slidably connected to the V-shaped guide rails (6) of the mounting frame (1) via the V-shaped rollers (7).

3. The lifting mechanism of the bag inserting machine according to claim 2, characterized in that: A rotating shaft is arranged on the dust cover (4), a sealing bearing (10) is arranged on the rotating shaft, and the V-shaped roller (7) is rotatably connected to the rotating shaft via the sealing bearing (10).

4. The lifting mechanism of the bag inserting machine according to claim 1, characterized in that: The drive motor (5) is a right-angle reducer, and the output shaft of the right-angle reducer is arranged perpendicular to the dust cover (4); the right-angle reducer is arranged outside the dust cover (4), and the dust cover (4) is provided with a through hole for the output shaft to pass through; a sealing shell (11) is arranged on the dust cover (4) outside the through hole, and the housing of the right-angle reducer and the dust cover (4) are sealed and connected via the sealing shell (11).

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