CN213569321U

CN213569321U - Lifting mechanism

Info

Publication number: CN213569321U
Application number: CN202022573534.7U
Authority: CN
Inventors: 何春华
Original assignee: Dongguan Pinchuang Automation Equipment Co ltd
Current assignee: Dongguan Pinchuang Automation Equipment Co ltd
Priority date: 2020-07-21
Filing date: 2020-11-09
Publication date: 2021-06-29
Anticipated expiration: 2030-11-09
Also published as: CN112357812A

Abstract

The utility model relates to the technical field of lifting structures, in particular to a lifting mechanism, which comprises a fixed seat, a sliding seat, a lifting seat, a bottom plate, a first lifting driving device arranged on the fixed seat and a second lifting driving device arranged on the sliding seat, wherein the sliding seat is arranged below the fixed seat in a sliding manner, the lifting seat is connected with the sliding seat, and the bottom plate is in driving connection with the second lifting driving device; the first lifting driving device is used for driving the lifting seat to lift, and the second lifting driving device is used for driving the bottom plate to lift. The utility model discloses a structural design is simple compact, and the design of this structure can make this elevating system's lift stroke be more than the twice of the height when its initial condition, has realized from this that this elevating system can reduce its whole height on the basis that does not reduce its lift stroke, and elevating system's height has decided the height of board.

Description

Lifting mechanism

Technical Field

The utility model belongs to the technical field of elevation structure technique and specifically relates to indicate an elevating system.

Background

In the existing automatic production equipment, when a product needs to be lifted, the equipment needs to use an automatic lifting driving mechanism, and therefore, the lifting driving mechanism is an important driving mechanism in the automatic production equipment.

For example, chinese utility model No. 201820830837.2 discloses an intelligent carton forming machine, which includes an upper jacking device (equivalent to a lifting driving mechanism) for lifting and lowering the carton. In the production process of the paper box forming machine, the paper box needs to be lifted or lowered for a certain distance by adopting the lifting driving mechanism, and then, the lifting of the distance is realized only if the integral height of the lifting driving mechanism is larger than the lifting stroke of the lifting driving mechanism. The height of the machine table of the carton forming machine is determined by the stroke of the lifting driving mechanism, so that the height of the machine table is basically far greater than that of the lifting driving mechanism, and therefore when a machine table with a large stroke of the lifting driving mechanism is required to be maintained by a maintainer, the machine table needs to be stepped with the assistance of steps, and the maintainer can replace and maintain parts of the machine or parts of a circuit device and the like. Meanwhile, the height of the machine table also leads to the increase of the height of the whole carton production line, which also increases the manufacturing cost of the whole production line.

Disclosure of Invention

An object of the utility model is to provide a simple structure is compact to prior art's not enough, and can realize double-deck lift, can reduce the multistage elevating system of overall height on the basis that does not reduce its lift stroke.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a lifting mechanism, which comprises a fixed seat, a sliding seat, a lifting seat, a bottom plate, a first lifting driving device arranged on the fixed seat and a second lifting driving device arranged on the sliding seat, wherein the sliding seat is arranged below the fixed seat in a sliding manner, the lifting seat is connected with the sliding seat, and the bottom plate is in driving connection with the second lifting driving device; the first lifting driving device is used for driving the lifting seat to lift, and the second lifting driving device is used for driving the bottom plate to lift.

The first lifting driving device comprises a first driving body arranged on the fixed seat and a first moving rod connected with the first driving body in a sliding manner; the first driving body is used for driving the first moving rod to move along the axial direction of the first driving body; the sliding seat is arranged on the first driving body in a sliding mode, and one end, far away from the first driving body, of the first moving rod is connected with the lifting seat.

Furthermore, the number of the first lifting driving devices is two, and the two first lifting driving devices are respectively and symmetrically arranged on two sides of the fixed seat by using the center of the bottom plate.

Wherein, a buffer device for providing buffer for the sliding seat is arranged at one side of the sliding seat close to the fixed seat.

The second lifting driving device comprises a second driving body arranged on the lifting seat in a sliding mode, a second moving rod connected with the second driving body in a sliding mode and a sliding assembly connected with the second driving body, and the second driving body is used for driving the second moving rod to move along the axial direction of the second driving body; one end, far away from the second driving body, of the second moving rod is connected with the sliding seat, one end, far away from the sliding seat, of the second driving body penetrates through the lifting seat and then is connected with the bottom plate, and the sliding assembly is located between the lifting seat and the sliding seat.

Further, the sliding assembly comprises a sliding block arranged between the lifting seat and the sliding seat in a sliding manner, an upper buffer piece arranged on one side, close to the lifting seat, of the sliding block, and a lower buffer piece arranged on one side, close to the sliding seat, of the sliding block.

Furthermore, a sliding guide rod is arranged between the lifting seat and the sliding seat, one end of the sliding guide rod is connected with the lifting seat, and the other end of the sliding guide rod penetrates through the sliding seat and is arranged in a sliding manner with the sliding seat; the sliding block slides and is arranged on the sliding guide rod.

Wherein, be provided with on the fixing base and be used for letting the supplementary elevating gear of lift seat maintenance steady lift.

Furthermore, the auxiliary lifting device comprises two racks symmetrically arranged on the fixed seat by using the center of the bottom plate and two rotating teeth respectively rotatably arranged on two sides of the sliding seat, and each rotating tooth is correspondingly meshed with one rack.

Furthermore, the sliding seat is rotatably provided with a rotating rod, and the rotating rod is perpendicular to the rack; the two rotating teeth are respectively connected to two ends of the rotating rod.

The utility model has the advantages that:

the utility model provides a pair of lifting mechanism, it moves lift seat and bottom plate through first lift drive in the lump and rises, and rethread second lift drive bottom plate continues to rise to make the bottom plate can realize that the bilayer rises, and then make the bottom plate can satisfy the required stroke that goes up and down of carton man-hour. The utility model discloses a structural design is simple compact, and the design of this structure can make this elevating system's lift stroke be more than the twice of the height when its initial condition, has realized from this that this elevating system can reduce its whole height on the basis that does not reduce its lift stroke, and elevating system's height has decided the height of board, thereby makes and is equipped with the utility model discloses a height of board can be than the height of traditional board will hang down, so that the maintainer can easily maintain equipment from this to and can reduce the manufacturing cost of equipment widely.

Drawings

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

fig. 2 is a front view of the present invention in an initial unstretched state;

fig. 3 is a schematic structural view of the lifting seat of the present invention when it is lifted to a predetermined height;

fig. 4 is a schematic structural view of the bottom plate of the present invention when it rises to a predetermined height.

Description of the reference numerals

1. A fixed seat; 2. a first elevation drive device; 3. a second elevation drive device; 4. an auxiliary lifting device; 11. a sliding seat; 12. a lifting seat; 13. a base plate; 14. a buffer device; 21. a first driving body; 22. a first movable bar; 31. a second driving body; 32. a second movable bar; 41. a rack; 42. rotating the teeth; 43. rotating the rod; 51. a slider; 52. a slide guide bar; 53. an upper cushion member; 54. a lower cushion.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the present invention provides a lifting mechanism, which includes a fixing base 1, a sliding base 11, a lifting base 12, a bottom plate 13, a first lifting driving device 2 disposed on the fixing base 1, and a second lifting driving device 3 disposed on the sliding base 11, wherein the sliding base 11 is slidably disposed below the fixing base 1, the lifting base 12 is connected to the sliding base 11, and the bottom plate 13 is drivingly connected to the second lifting driving device 3; the first lifting driving device 2 is used for driving the lifting seat 12 to lift, and the second lifting driving device 3 is used for driving the bottom plate 13 to lift. Specifically, the present embodiment is illustrated by taking a lifting driving mechanism of a carton forming machine as an example, and the bottom plate 13 is used for driving the carton to lift. Of course, the present embodiment is not limited to the application to carton forming machines.

In practical application, when the utility model is in the initial non-extension state, the whole structure state is as shown in fig. 2; as shown in fig. 2 to 3, when the utility model is extended, the first lifting driving device 2 drives the lifting seat 12 to ascend, the ascending lifting seat 12 drives the sliding seat 11 to slide to a position close to the lower part of the fixed seat 1, and the ascending of the sliding seat 11 drives the second lifting driving device 3 with the bottom plate 13 to ascend; then, when the lifting seat 12 rises to a preset height, the second lifting driving device 3 drives the bottom plate 13 to continue to rise away from the lifting seat 12 until the bottom plate 13 rises to the highest point; at this time, the rising distance of the bottom plate 13 can be more than twice the height of the present invention at the initial non-stretching state. The utility model discloses a first lifting drive device 2 moves lift seat 12 and bottom plate 13 and rises in the lump, and 3 drive bottom plate 13 of rethread second lifting drive device continue to rise to make bottom plate 13 can realize that the bilayer rises, and then make bottom plate 13 can satisfy the required stroke that goes up and down of carton man-hour. The utility model discloses a structural design is simple compact, and the design of this structure can make this elevating system's lift stroke be more than the twice of the height when its initial condition, has realized from this that this elevating system can reduce its whole height on the basis that does not reduce its lift stroke, and elevating system's height has decided the height of board, thereby makes and is equipped with the utility model discloses a height of board can be than the height of traditional board will hang down, so that the maintainer can easily maintain equipment from this to and can reduce the manufacturing cost of equipment widely.

The utility model discloses mainly be applied to world lid system box machine, under the condition of production product fixed height, can realize the whole height of board and fall the end from this.

Preferably, in this embodiment, the lifting seat 12 is embedded in the fixing seat 1, so as to further reduce the overall height of the lifting mechanism in the initial state.

In this embodiment, the first elevation driving device 2 includes a first driving body 21 disposed on the fixed base 1 and a first moving rod 22 slidably connected to the first driving body 21; the first driving body 21 is used for driving the first moving rod 22 to move along the axial direction of the first driving body 21; the sliding base 11 is slidably disposed on the first driving body 21, and one end of the first moving rod 22 away from the first driving body 21 is connected to the lifting base 12. Specifically, the first driving body 21 may be an existing air cylinder or oil cylinder, and the first moving rod 22 is a piston rod in the cylinder.

In practical application, the first driving body 21 drives the first moving rod 22 to move upwards, the first moving rod 22 moving upwards drives the lifting seat 12 to ascend, the ascending lifting seat 12 drives the sliding seat 11 to move upwards along the first driving body 21, and the upward movement of the sliding seat 11 drives the second lifting driving device 3 with the bottom plate 13 to ascend; when the lifting seat 12 is lifted to a predetermined height, the second lifting driving device 3 drives the bottom plate 13 to move away from the lifting seat 12.

Preferably, the number of the first lifting driving devices 2 is two, and the two first lifting driving devices 2 are respectively and symmetrically arranged on two sides of the fixed seat 1 with the center of the bottom plate 13. The design of this structure can let the atress of lift seat 12 even to make lift seat 12 realize rising steadily, guarantee from this that bottom plate 13 goes up and falls in same straight line all the time.

In the technical scheme, a buffer device 14 for buffering the sliding seat 11 is disposed on one side of the sliding seat 11 close to the fixed seat 1. The shock absorbing device 14 may be a conventional hydraulic damper, a rubber damper, or a spring. In practical applications, when the first driving device drives the lifting seat 12 with the sliding seat 11 to rise to approach the bottom of the fixed seat 1, the buffering device 14 abuts against the fixed seat 1 and buffers the sliding seat 11.

In this technical solution, the lifting mechanism further includes an auxiliary lifting device 4 for ensuring stable lifting of the lifting base 12. The auxiliary lifting device 4 can prevent the lifting seat 12 from being jammed and swinging during the lifting process, so that the lifting seat 12 can be lifted in a balanced, stable and accurate manner.

Preferably, the auxiliary lifting device 4 includes two racks 41 symmetrically disposed on the fixed base 1 about the center of the bottom plate 13, and two rotating teeth 42 rotatably disposed on two sides of the sliding base 11, and each rotating tooth 42 is correspondingly engaged with one rack 41. In practical application, when the first lifting driving device 2 drives the lifting seat 12 and the sliding seat 11 to lift, the sliding seat 11 moves to drive the two rotating teeth 42 to move upwards along the two racks 41 respectively; under the meshing action of the rotating teeth 42 and the rack 41, the two ends of the sliding seat 11 can move synchronously, so that the sliding seat 11 can ascend in a balanced, stable and accurate manner, and the sliding seat 11 drives the lifting seat 12 to ascend in a balanced, stable and accurate manner. The phenomenon of asynchronous driving can occur when the two first lifting driving devices 2 work, so that the problem that the lifting seat 12 is blocked or two sides swing in the lifting process is influenced; and the structure of the auxiliary lifting device 4 can effectively prevent the problem from occurring, thereby enabling the lifting seat 12 to realize stable lifting and further improving the working stability of the utility model.

Preferably, the sliding seat 11 is rotatably provided with a rotating rod 43, and the rotating rod 43 is arranged perpendicular to the rack 41; the two rotating teeth 42 are connected to both ends of the rotating rod 43, respectively. The structure is designed to ensure that the two rotating teeth 42 can stably mesh with the rack 41.

In this embodiment, the second elevation driving device 3 includes a second driving body 31 slidably disposed on the elevation base 12, a second moving rod 32 slidably coupled to the second driving body 31, and a sliding member coupled to the second driving body 31, wherein the second driving body 31 is used for driving the second moving rod 32 to move along the axial direction of the second driving body 31; one end of the second moving rod 32, which is far away from the second driving body 31, is connected to the sliding base 11, one end of the second driving body 31, which is far away from the sliding base 11, is connected to the bottom plate 13 after penetrating through the lifting base 12, and the sliding assembly is located between the lifting base 12 and the sliding base 11. Specifically, the second driving body 31 may be an existing air cylinder or oil cylinder, and the second moving rod 32 is a piston rod of the second driving body 31.

In practical applications, the sliding assembly is used for performing a buffering action on the second driving body 31. When the lifting base 12 is lifted to a preset height, the second driving body 31 drives the second moving rod 32 to move and extend out of the second driving body 31, at this time, the second moving rod 32 is connected with the lifting base 12, the lifting base 12 is stationary under the action of the first piston rod, so that the second moving rod 32 generates a reaction force on the second driving body 31 and pushes the second driving body 31 to move upwards, and the second driving body 31 moving upwards drives the bottom plate 13 to continue to lift; when the second driving body 31 ascends to approach the lifting base 12, the sliding member abuts against the lifting base 12 and buffers the second driving body 31.

Preferably, the sliding assembly includes a sliding block 51 slidably disposed between the lifting seat 12 and the sliding seat 11, an upper cushion 53 disposed on a side of the sliding block 51 close to the lifting seat 12, and a lower cushion 54 disposed on a side of the sliding block 51 close to the sliding seat 11. Specifically, the upper cushion 53 is a spring, and the lower cushion 54 is an oil damper. In practical applications, when the slide block 51 moves upward and approaches the lifting base 12, the upper buffer member 53 collides with the lifting base 12 to buffer the second driving body 31; when the slide block 51 descends to approach the slide holder 11, the lower buffer 54 abuts against the slide holder 11 to buffer the second driving body 31.

Preferably, a sliding guide rod 52 is arranged between the lifting seat 12 and the sliding seat 11, one end of the sliding guide rod 52 is connected with the lifting seat 12, and the other end of the sliding guide rod 52 penetrates through the sliding seat 11 and is arranged in a sliding manner with the sliding seat 11; the slide block 51 is slidably provided on the slide guide rod 52. Specifically, the upper cushion 53 is a spring sleeved on the sliding guide rod 52. The sliding engagement of the slide block 51 and the slide guide 52 allows the second driving body 31 to stably move, and thus allows the base plate 13 to stably move up and down.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. A kind of lifting gearing, its characterized in that: the lifting device comprises a fixed seat, a sliding seat, a lifting seat, a bottom plate, a first lifting driving device and a second lifting driving device, wherein the first lifting driving device is arranged on the fixed seat, the second lifting driving device is arranged on the sliding seat, the sliding seat is arranged below the fixed seat in a sliding manner, the lifting seat is connected with the sliding seat, and the bottom plate is in driving connection with the second lifting driving device; the first lifting driving device is used for driving the lifting seat to lift, and the second lifting driving device is used for driving the bottom plate to lift.

2. A lifting mechanism as claimed in claim 1, wherein: the first lifting driving device comprises a first driving body arranged on the fixed seat and a first moving rod connected with the first driving body in a sliding manner; the first driving body is used for driving the first moving rod to move along the axial direction of the first driving body; the sliding seat is arranged on the first driving body in a sliding mode, and one end, far away from the first driving body, of the first moving rod is connected with the lifting seat.

3. A lifting mechanism as claimed in claim 1 or 2, wherein: the number of the first lifting driving devices is two, and the two first lifting driving devices are symmetrically arranged on two sides of the fixed seat respectively by using the center of the bottom plate.

4. A lifting mechanism as claimed in claim 1, wherein: and a buffer device for buffering the sliding seat is arranged on one side of the sliding seat close to the fixed seat.

5. A lifting mechanism as claimed in claim 1, wherein: the second lifting driving device comprises a second driving body arranged on the lifting seat in a sliding mode, a second moving rod connected with the second driving body in a sliding mode and a sliding assembly connected with the second driving body, and the second driving body is used for driving the second moving rod to move along the axial direction of the second driving body; one end, far away from the second driving body, of the second moving rod is connected with the sliding seat, one end, far away from the sliding seat, of the second driving body penetrates through the lifting seat and then is connected with the bottom plate, and the sliding assembly is located between the lifting seat and the sliding seat.

6. A lifting mechanism as claimed in claim 5, wherein: the sliding assembly comprises a sliding block arranged between the lifting seat and the sliding seat in a sliding mode, an upper buffering piece arranged on one side, close to the lifting seat, of the sliding block and a lower buffering piece arranged on one side, close to the sliding seat, of the sliding block.

7. A lifting mechanism as claimed in claim 6, wherein: a sliding guide rod is arranged between the lifting seat and the sliding seat, one end of the sliding guide rod is connected with the lifting seat, and the other end of the sliding guide rod penetrates through the sliding seat and is arranged in a sliding manner with the sliding seat; the sliding block slides and is arranged on the sliding guide rod.

8. A lifting mechanism as claimed in claim 1, wherein: and the fixed seat is provided with an auxiliary lifting device for keeping the lifting seat stably lifted.

9. A lifting mechanism as claimed in claim 8, wherein: the auxiliary lifting device comprises two racks symmetrically arranged on the fixed seat by using the center of the bottom plate and two rotating teeth respectively rotatably arranged on two sides of the sliding seat, and each rotating tooth is correspondingly meshed with one rack.

10. A lifting mechanism as claimed in claim 9, wherein: the sliding seat is rotatably provided with a rotating rod, and the rotating rod is perpendicular to the rack; the two rotating teeth are respectively connected to two ends of the rotating rod.