CN203998154U - A kind of turnover machine lifting and clamping mechanism - Google Patents
A kind of turnover machine lifting and clamping mechanism Download PDFInfo
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- CN203998154U CN203998154U CN201420417605.6U CN201420417605U CN203998154U CN 203998154 U CN203998154 U CN 203998154U CN 201420417605 U CN201420417605 U CN 201420417605U CN 203998154 U CN203998154 U CN 203998154U
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Abstract
The utility model discloses a kind of turnover machine lifting and clamping mechanism, belong to turnover machine technical field, the ball-screw that comprises support, motor, is connected with motor and vertically arranges and the respectively bearing at rotating bearing ball leading screw two ends, two bearings is respectively arranged with rack-mount bearing seat, the outer face of two bearings is bearing on bearing seat, and inner end surface and bearing seat are floating matching structure.Change ball-screw bearing distribution in the course of the work, while making bench board carrying smoke box upward movement, load all acts on ball-screw by ball nut, and be delivered to bottom end bearing, born by bottom end bearing, stable working, has avoided the ball-screw that causes because of bearing damage stuck.
Description
Technical field
The utility model relates to turnover machine technical field, in particular to a kind of turnover machine lifting and clamping mechanism.
Background technology
In Modern cigarette industry is produced, tobacco leaf throwing is used precompressed after beating and double roasting to be packaged into the sheet tobacco leaf carton tobacco bale of certain specification in a large number.In the time of throwing, removing sheet tobacco leaf outer packing box is the first operation on primary processing line, is mainly to carry the sheet smoke box of coming after turnover machine, to make smoke box separate with tobacco leaf formula shelf magazine; Be transported to subsequently Drawing apparatus gripping carton, after the carton of deviating from is folded, piling is on pallet; The raw material cigarette buttress of sloughing after carton delivers into next production process through band conveyor.
The equipment of devaning of the use of devaning is mainly made up of parts such as turnover machine, band conveyor, Drawing apparatus, empty van stackers, completes raw material smoke box automatic transporting, devans, the function such as empty van is superimposed, empty van conveying, empty van piling.Turnover machine is as a part for the machine of devaning, main task is standard fume box to be carried out to the upset of 180 ° be conducive to manual operation, when smoke box is transported to turnover machine bench board by roller machine, through manually wiping out after strapping, bench board rises and smoke box is fixed and overturn 180 °, be transported to subsequently Drawing apparatus gripping carton, the raw material cigarette buttress of sloughing after carton delivers into next production process through band conveyor.
Turnover machine is carrying out smoke box before the upset of 180 °, smoke box be fixedly the ball-screw rotation that drives vertical state by the servo deceleration motor of turnover machine smoke box clamping mechanism, the ball nut that leading screw middle part is connected with bench board is done vertical direction motion, drives the upper and lower straight-line lifting of bench board to fix and to decontrol smoke box by bindiny mechanism.When smoke box is transported to after bench board, bench board is applied on ball-screw by ball nut with its weight in the process of smoke box vertical uplift, ball-screw has born axial load and has been delivered to the bearing of the upper and lower two axial ends of ball-screw, the generation of its axial load is mainly to bear cigarette carton weight, add the weight of bench board and ball-screw, overall load can reach 400kg.
But, turnover machine ballscrew shaft supporting form is at present: upper end bearing is fixed, bottom end bearing moves about, axial load is delivered to two deep groove ball bearings of upper end by the jam nut of fixing upper end bearing, the upper fulcrum of ball-screw is subject to bearing lock nut and is delivered to the axial force on bearing, ball-screw lower fulcrum bearing moves about and does not bear axial force, all axial load is all born by upper end bearing, often occur that so in the course of the work ball-screw is stuck, the upper end bearing damage of ball-screw, cause servomotor electric current excessive and report to the police shut down, there is breakdown of equipment, affect efficiency.
Utility model content
The purpose of this utility model is to provide a kind of turnover machine lifting and clamping mechanism, only bears all axial loads by upper end bearing and causes that ball-screw is stuck, upper end bearing damage, affects the problem of efficiency to solve in existing turnover machine lifting and clamping mechanism.
For realizing the utility model object, the technical scheme adopting is: a kind of turnover machine lifting and clamping mechanism, the ball-screw that comprises support, motor, is connected with motor and vertically arranges and the respectively bearing at rotating bearing ball leading screw two ends, two bearings is respectively arranged with rack-mount bearing seat, the outer face of two bearings is bearing on bearing seat, and inner end surface and bearing seat are floating matching structure.
The outer face of two bearings and bearing seat refers to its end face towards this lifting and clamping mechanism outside, and inner end surface refers to two bearings and the relative end face of bearing seat, towards the end face of this lifting and clamping mechanism inside.Generally, be bottom end bearing in turnover machine upset anteposition in the bearing of ball-screw lower end, the bearing that is positioned at ball-screw upper end is upper end bearing.
When use, ball-screw is connected with the bench board of carrying smoke box by ball nut, drives bench board to do vertical direction motion and realizes clamping.In the time carrying the clamping of smoke box upward movement before working platform overturning, the outer face of bottom end bearing is bearing on bearing seat, the inner end surface of upper end bearing and bearing seat are floating matching structure, now fulcrum can float downwards on ball-screw, does not stop to have the degree of freedom moving down, do not bear the load of bench board, load all acts on ball-screw by ball nut, and is delivered to bottom end bearing, and axial load when bench board promotes smoke box rising is born by bottom end bearing; When after 180 ° of lifting and clamping mechanism upsets, bench board is decontroled smoke box, drive homing by ball-screw, now the upper end bearing after upset is positioned at below, and its outer face is bearing on bearing seat, plays a supportive role, and bottom end bearing is positioned at top, its inner end surface and bearing seat are floating matching structure, the load of not bearing bench board, and now axial load is born by upper end bearing.
Further, diaxon bearing is provided with the step of backup bearing outer face, and the outer face of bearing is against on step.
Further, in diaxon bearing, at least one bearing seat is provided with position adjustment structure.
Further, described position adjustment structure for vertically offering bar hole on bearing seat.
Further, on described support, adjusting screw(rod) is installed, the end of adjusting screw(rod) is against the outer face of bearing seat.
Further, the bearing that is positioned at ball-screw lower end is tapered roller bearing.
The beneficial effects of the utility model are, by the outer face of two bearings is bearing on bearing seat, and inner end surface and bearing seat are floating matching structure, change ball-screw bearing distribution in the course of the work, while making bench board carrying smoke box upward movement, load all acts on ball-screw by ball nut, and be delivered to bottom end bearing, born by bottom end bearing, after upset, bear axial force by upper end bearing, and can adjust bearing clearance by position adjustment structure, ensure smooth operation, by practical operation, use this lifting and clamping mechanism stable working, in production process, there is not again the ball-screw that causes because of bearing damage stuck, the faults such as over current of motor warning shutdown, ensure service life.
Brief description of the drawings
Fig. 1 is the structural representation of the turnover machine lifting and clamping mechanism that provides of the utility model;
Fig. 2 is the partial enlarged drawing shown in I in Fig. 1;
Fig. 3 is the schematic diagram of the turnover machine lifting and clamping mechanism that provides of the utility model in the operation of upset front clamp smoke box;
Fig. 4 is that the turnover machine lifting and clamping mechanism that the utility model provides decontrols in upset the schematic diagram that smoke box moves afterwards.
Detailed description of the invention
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Fig. 1 to Fig. 4 shows the turnover machine lifting and clamping mechanism that the utility model provides, the ball-screw 9 that comprises support 1, motor 4, is connected with motor 4 and vertically arranges and the respectively bearing at rotating bearing ball leading screw 9 two ends, two bearings is respectively arranged with the bearing seat being arranged on support 1, the outer face of two bearings is bearing on bearing seat, and inner end surface and bearing seat are floating matching structure.
Wherein, turnover machine upset anteposition is bottom end bearing 10 in the bearing of ball-screw 9 lower ends, and its outer face is bearing on step 3; The bearing that is positioned at ball-screw 9 upper ends is upper end bearing 7, and its outer face is bearing on top chock 2.
Motor 4 is fixed on support 1, and is connected with ball-screw 9 by coupler 5, and the ball nut 8 on ball-screw 9 is connected with the bench board of carrying smoke box.Upper end bearing 7 is provided with bearing cap shim 6.Diaxon bearing is provided with the step of backup bearing outer face, and the outer face of upper end bearing 7 and bottom end bearing 10 is against respectively on the step of top chock 2 and step 3.
For adjusting bearing clearance, the step 3 in diaxon bearing is provided with position adjustment structure, and position adjustment structure is on step 3, to offer bar hole vertically, and the position that regulates step 3 is installed by bar hole.This bar hole also can be opened on support 1, position adjustment structure can be also the structure of the position of other energy adjusting shaft bearings, as offered vertical T slot etc. on bearing seat or support corresponding position, the bearing seat at two ends also can all arrange the position adjustment structure that regulates its position.
After making bearing seat regulate position, can better fix, adjusting screw(rod) 11 is installed on support 1, the end of adjusting screw(rod) 11 is against the outer face of step 3, fixes the bearing seat of diverse location by the rotation of adjusting screw(rod) 11.
Due to turnover machine lifting and clamping mechanism in the course of the work, require the bottom end bearing 10 of ball-screw 9 will bear larger axial load, compare with the deep groove ball bearing of same oad, cylindrical roller bearing is line contact, and ball-bearing casing is a contact, the load-carrying capacity of line contact is certainly large, so select the tapered roller bearing that load-carrying capacity is larger, tapered roller bearing is applicable to bear unidirectional axial load.Before upset, on ball-screw 9, fulcrum floats downwards, makes ball-screw 9 can freely compensate the play of bottom end bearing 10 downwards, can guarantee that axial force is added on bottom end bearing 10 completely; When after 180 ° of smoke box rotating mechanism upsets, bench board will be decontroled smoke box, and the change of 180 ° also occurs axial force direction now, and now axial load only has the weight of bench board, and upper end bearing 7 can use two deep groove ball bearings to bear axial force now.
Arrow in Fig. 3, Fig. 4 represents that ball nut 8 drives the sense of motion of bench board, and S1 represents the axial support power that ball-screw 9 these fulcrum places are subject to.This lifting and clamping mechanism has been realized the good distribution of power, before upset, carrying smoke box rises while clamping, ball-screw 9 has downward displacement and does not bear the downward load that workpiece brings, axial force is born by the tapered roller bearing of lower end, has avoided the bearing that in prior art, all axial load is all installed by upper end bear and cause often occurring that in the course of the work ball-screw 9 is stuck; After upset, tapered roller bearing does not bear axial force, bears axial force by upper end bearing 7.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a turnover machine lifting and clamping mechanism, the ball-screw that comprises support, motor, is connected with motor and vertically arranges and the respectively bearing at rotating bearing ball leading screw two ends, two bearings is respectively arranged with rack-mount bearing seat, it is characterized in that, the outer face of two bearings is bearing on bearing seat, and inner end surface and bearing seat are floating matching structure.
2. turnover machine lifting and clamping mechanism according to claim 1, is characterized in that, diaxon bearing is provided with the step of backup bearing outer face, and the outer face of bearing is against on step.
3. turnover machine lifting and clamping mechanism according to claim 1, is characterized in that, in diaxon bearing, at least one bearing seat is provided with position adjustment structure.
4. turnover machine lifting and clamping mechanism according to claim 3, is characterized in that, described position adjustment structure for vertically offering bar hole on bearing seat.
5. turnover machine lifting and clamping mechanism according to claim 4, is characterized in that, on described support, adjusting screw(rod) is installed, and the end of adjusting screw(rod) is against the outer face of bearing seat.
6. turnover machine lifting and clamping mechanism according to claim 1, is characterized in that, the bearing that is positioned at ball-screw lower end is tapered roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417605.6U CN203998154U (en) | 2014-07-28 | 2014-07-28 | A kind of turnover machine lifting and clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417605.6U CN203998154U (en) | 2014-07-28 | 2014-07-28 | A kind of turnover machine lifting and clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203998154U true CN203998154U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420417605.6U Active CN203998154U (en) | 2014-07-28 | 2014-07-28 | A kind of turnover machine lifting and clamping mechanism |
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| Country | Link |
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| CN (1) | CN203998154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439561A (en) * | 2020-05-14 | 2020-07-24 | 无锡旭杰精密机械有限公司 | Box turnover machine |
-
2014
- 2014-07-28 CN CN201420417605.6U patent/CN203998154U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439561A (en) * | 2020-05-14 | 2020-07-24 | 无锡旭杰精密机械有限公司 | Box turnover machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 610000, Sichuan, Chengdu, Longquanyi economic and Technological Development Zone, Jackie Chan Road, Longquan, No. 2, paragraph Patentee after: CHINA TOBACCO SICHUAN INDUSTRIAL CO., LTD. Address before: No. 2, Longquan section, Jackie Chan Avenue, Chengdu economic and Technological Development Zone, Longquanyi District, Chengdu, Sichuan Patentee before: Sichuan Tobacco Industry Co., Ltd. |