CN105643554A - Proportion adjustable lever transmission type pressing and fixing device - Google Patents
Proportion adjustable lever transmission type pressing and fixing device Download PDFInfo
- Publication number
- CN105643554A CN105643554A CN201410638345.XA CN201410638345A CN105643554A CN 105643554 A CN105643554 A CN 105643554A CN 201410638345 A CN201410638345 A CN 201410638345A CN 105643554 A CN105643554 A CN 105643554A
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- lever
- push rod
- fixing device
- fulcrum shaft
- sliding tray
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Abstract
The invention discloses a proportion adjustable lever transmission type pressing and fixing device. The pressing and fixing device comprises a push rod, a bottom plate, an air cylinder, a push rod supporting plate and a lever. The middle section of the lever is installed on a lever installation bracket through a fulcrum shaft. The lever is provided with inserting plates with different heights for bearing loads with the fulcrum shaft cooperatively. The height of the fulcrum shaft is adjustable. One end of the air cylinder is hinged to an air cylinder installation base. A piston rod at the other end of the air cylinder is hinged to the lower end of the lever. The upper section of the lever is provided with an axial groove. A rolling wheel rotating shaft is perpendicularly installed on the end head of the push rod. Rolling wheels are installed at the two ends of the rolling wheel rotating shaft correspondingly. The two rolling wheels and the rolling wheel rotating shaft are all arranged in the axial groove of the lever. The rolling wheels can roll in the axial groove in the axial direction. According to the proportion adjustable lever transmission type pressing and fixing device, the air cylinder is used as a power part, and the push rod is pushed to move through transmission of the lever; the power loss is small, the moving distance input proportion and the moving distance output proportion of the two ends of the lever can be changed at any time, and accordingly the optimal matching requirements for the thrust and the moving distance of the push rod are met; in addition, the occupied space of the whole device is small, and installing is convenient.
Description
Technical field
The present invention relates to the fixing device of a kind of pressing, particularly relate to a kind of by the fixing device of the ratio adjustable lever driven type pressing of lever transmission.
Background technology
Product orientation is very common in commercial Application, when such as a certain product and other parts being carried out pressing, it is accomplished by product orientation, a kind of use pushrod advances is needed to reach location purpose detent mechanism to withstand product in some cases, if this detent mechanism adopts manual operation, push rod can swing and cause location inaccurate, affects the quality of pressing product, and manual operation labor intensity is big.
The application for a patent for invention that application number is " 201410182403.2 " discloses a kind of detent mechanism, the fixing plate of its lift cylinder is arranged on the bottom of base plate, cam lift cylinder is arranged on the fixing plate of lift cylinder, and the elevating lever of cam lift cylinder links together through base plate and cam; Being installed with cam baffle plate on base plate, cam baffle plate is provided with slide rail, and cam is provided with slide plate, slide rail and slide plate and is installed togather; Push rod gripper shoe is arranged on base plate, and push rod gripper shoe is provided with linear bearing, and push rod left end is provided with roller by rotating shaft, and right part, from linear bearing traverse, base plate is also installed with the block that anti-throw-out lever swings; Cam lift cylinder action, rises cam along the slide rail on cam baffle plate, cam and roller contact, roller rolls and makes push rod move forward along linear bearing direction, withstands product and reaches the day of location.
The detent mechanism of above-mentioned patent application, cam lift cylinder is arranged on below base plate, takes up room big; The motive force of cam lift cylinder realizes pushing rolling wheels after 90 �� of break-ins of thrust by the inclined-plane of cam, thus promoting push rod to move, so thrust can reduce, push rod formation can be shortened, the final promotion effect realized can be had a greatly reduced quality.
Summary of the invention
The purpose of the present invention is that provides to solve the problems referred to above that a kind of power slippages is little, compact conformation by the fixing device of the ratio adjustable lever driven type pressing of lever transmission.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The fixing device of a kind of ratio adjustable lever driven type pressing, including push rod, base plate, cylinder and push rod gripper shoe, described push rod gripper shoe is installed on described base plate, described push rod is installed in described push rod gripper shoe by linear bearing, the fixing device of described ratio adjustable lever driven type pressing also includes lever, the stage casing of described lever is provided with sliding tray at axial direction, the side of described sliding tray is uniformly provided with multiple jack running through described lever wall at axial direction, the described jack vertical thickness near the position of described sliding tray increases stomidium in formation, the opposite side sidewall of described sliding tray is uniformly provided with multiple and described jack blind hole one to one at axial direction, described blind hole is identical with the vertical thickness of described interior stomidium and vertical thickness more than described jack, a plate it is mounted in each described jack, the vertical thickness of described plate the inner is more than the vertical thickness at other position and the vertical thickness being slightly less than described blind hole, described base plate is provided with lever mounting bracket, the vertical bar of described lever mounting bracket includes upper boom and lower beam, described low stem casing is loaded on outside the montant of described upper boom, the montant of described upper boom is uniformly provided with hole, multiple location at vertical direction, the top of described lower beam is provided with through hole, the screw rod of bolt realizes fixing described upper boom and described lower beam through described through hole and one of them hole, described location, spacing between hole, multiple described location and the spacing between multiple described jacks are identical, the crossbeam of described upper boom is provided with fulcrum shaft, the external diameter of described fulcrum shaft is slightly less than the width of described sliding tray, the described fulcrum shaft described sliding tray of traverse, one of in described plate is placed on described fulcrum shaft and realizes the load-bearing to lever,Described base plate is additionally provided with cylinder mounting seat, one end of described cylinder is articulated with in described cylinder mounting seat, the piston rod of the described cylinder other end is hinged with the lower end of described lever, the epimere of described lever is provided with axial notch, the A/F of described axial notch is less than the width in described axial notch, the termination of described push rod is provided with roller wheel shaft orthogonal with described push rod, the two ends of described roller wheel shaft are separately installed with roller, two described rollers and roller wheel shaft are placed in the axial notch of described lever, described roller can in described axial notch axial rolling.
In said structure, lever plays the effect of rotary drive, passes to push rod after the power of cylinder is changed direction, drives push rod to be moved to the purpose of the fixing product of pressing, sliding tray on lever provides installing space for fulcrum shaft and plate, wherein, the insert state of the plate of differing heights determines the height of balance pivot, accordingly, by changing the hole, location of connection corresponding to lower beam in upper boom, the height of upper boom can be changed, the height of fulcrum shaft can be changed, when when the inner of one of plate is placed in the blind hole of correspondence and other all plates all do not affect the installation of fulcrum shaft and this plate, this plate is placed on fulcrum shaft and lever is realized load-bearing, now the actual height of fulcrum shaft is the fulcrum height of lever, the position of the fulcrum change of lever can regulate at any time, so the input and output power ratio at lever two ends and input and output displacement ratio all can realize regulating, thus realizing the best collocation demand of push rod thrust and displacement, the axial notch of lever provides scroll space for roller, the axial notch matching mechanism of roller and lever is the height change brought to overcome lever to rotate, because push rod must move linearly at sustained height, it is capable of in lever rotary course to promote push rod to move linearly at sustained height so being coordinated by the axial notch of roller and lever.
In order to reduce the volume that takies of this device as far as possible, described cylinder mounting seat is between described push rod gripper shoe and described lever mounting bracket and near described push rod gripper shoe.
The beneficial effects of the present invention is:
The present invention is with cylinder for power part, push rod is promoted to move by lever drive, owing to the power loss of lever drive is little, and can by the height of change fulcrum shaft at any time and the plate coordinated with fulcrum shaft, it is possible to change lever two ends power input and output ratio at any time, corresponding change lever two ends displacement input and output ratio, thus realizing the best collocation demand of push rod thrust and displacement; Further, since the driving equipment of lever and be can be installed within the same side of lever by dynamic equipment, so whole device takes up room little, it is simple to install.
Accompanying drawing explanation
Fig. 1 is one of main TV structure schematic diagram of the fixing device of ratio adjustable lever driven type pressing of the present invention;
Fig. 2 is the A-A sectional view in Fig. 1;
Fig. 3 is the plan structure schematic diagram after push rod of the present invention installs roller;
Fig. 4 is the two of the main TV structure schematic diagram of the fixing device of ratio adjustable lever driven type pressing of the present invention;
Fig. 5 is the three of the main TV structure schematic diagram of the fixing device of ratio adjustable lever driven type pressing of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
Such as Fig. 1, shown in Fig. 2 and Fig. 3, the fixing device of ratio adjustable lever driven type pressing of the present invention includes push rod 5, base plate 15, cylinder 13, push rod gripper shoe 6 and lever 1, push rod gripper shoe 6 is installed on base plate 15, push rod 5 is installed in push rod gripper shoe 6 by linear bearing 7, the stage casing of lever 1 is provided with sliding tray 8 at axial direction, the side of sliding tray 8 is uniformly provided with multiple jack 17 running through lever wall at axial direction, the jack 17 vertical thickness near the position of sliding tray 8 increases stomidium (unmarked in figure) in formation, the opposite side sidewall of sliding tray 8 is uniformly provided with multiple with jack 17 blind hole 9 one to one at axial direction, blind hole 9 is identical with the vertical thickness of interior stomidium and vertical thickness more than jack 17, a plate 16 it is mounted in each jack 17, the vertical thickness of the inner 10 of plate 16 is more than the vertical thickness at other position and is slightly less than the vertical thickness of blind hole 9, base plate 15 is provided with lever mounting bracket, described lever mounting bracket includes upper boom 19 and lower beam 21, lower beam 21 is set in outside the montant of upper boom 19, the montant of upper boom 19 is uniformly provided with hole, multiple location 11 at vertical direction, the top of lower beam 21 is provided with through hole, the screw rod of bolt 20 realizes fixing upper boom 19 and lower beam 21 through through hole and one of them hole 11, location, spacing between hole, multiple location 11 is identical with the spacing between multiple jacks 17, the crossbeam of upper boom 19 is provided with fulcrum shaft 18, the external diameter of fulcrum shaft 18 is slightly less than the width of sliding tray 8, fulcrum shaft 18 traverse sliding tray, one of in plate 16 is placed on fulcrum shaft 18 and realizes the load-bearing to lever 1,On base plate 15, between push rod gripper shoe 6 and lever mounting bracket, also the position of close push rod gripper shoe 6 is additionally provided with cylinder mounting seat 14, one end of cylinder 13 is articulated with in cylinder mounting seat 14, the piston rod 12 of the other end of cylinder 13 is hinged with the lower end of lever 1, the epimere of lever 1 is provided with axial notch 2, the width of the opening 22 of axial notch 2 is less than the width in axial notch 2, the termination of push rod 5 is provided with roller wheel shaft 4 orthogonal with push rod 5, the two ends of roller wheel shaft 4 are separately installed with roller 3, two rollers 3 and roller wheel shaft 4 are placed in the axial notch 2 of lever 1, roller 3 can in axial notch 2 axial rolling.
Fig. 4 and Fig. 5 illustrates two states when this device works, as shown in Figure 1 and Figure 4, the piston rod 12 of cylinder 13 is in the state to contract, now the lower end of lever 1 rotates to the direction near push rod gripper shoe 6, the upper end of lever 1 rotates to the direction away from push rod gripper shoe 6, owing to two rollers 3 are blocked by the opening 22 of axial notch 2, so lever 1 drives roller 3 to move to the direction away from push rod gripper shoe 6 together with push rod 5, roller 3 moves axially in axial notch 2 simultaneously, and automatic adjusting position adapts to the height requirement that push rod 5 is constant. Push rod 5 is not promoted by this situation, so the function of the fixing product of pressing can not be realized, but first push rod 5 can be retracted a segment distance when product is bigger, prepares with the fixing product of push rod 5 pressing for next step. Here also found out that the push rod 5 of this device compares tradition push rod displacement scope more greatly, applied more convenient.
As shown in Figure 1 and Figure 5, the piston rod 12 of cylinder 13 is in the state outwards stretched out, now the lower end of lever 1 rotates to the direction away from push rod gripper shoe 6, the upper end of lever 1 rotates to the direction near push rod gripper shoe 6, owing to two rollers 3 are blocked by the opening 22 of axial notch 2, so lever 1 drives roller 3 to move to the direction near push rod gripper shoe 6 together with push rod 5, roller 3 moves axially in axial notch 2 simultaneously, and automatic adjusting position adapts to the height requirement that push rod 5 is constant. In this case, push rod 5 moves to the line of production, it is achieved the function of the fixing product of pressing.
In said process, if needing to change thrust and the displacement scope of push rod 5, the then corresponding hole, location 11 connected of montant up and down bar 21 by changing upper boom 19, the height of upper boom 19 can be changed, the height of fulcrum shaft 18 can be changed, different plates 16 is selected to be placed on fulcrum shaft 18, the distance of fulcrum and lever 1 two ends can be changed, realize the input and output power ratio at lever two ends and the adjustment of input and output displacement ratio, thus realizing the best collocation demand of push rod thrust and displacement.
Above-described embodiment is presently preferred embodiments of the present invention; it it is not the restriction to technical solution of the present invention; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, be regarded as falling within the scope of the rights protection of patent of the present invention.
Claims (2)
1. the fixing device of ratio adjustable lever driven type pressing, including push rod, base plate, cylinder and push rod gripper shoe, described push rod gripper shoe is installed on described base plate, described push rod is installed in described push rod gripper shoe by linear bearing, it is characterized in that: also include lever, the stage casing of described lever is provided with sliding tray at axial direction, the side of described sliding tray is uniformly provided with multiple jack running through described lever wall at axial direction, the described jack vertical thickness near the position of described sliding tray increases stomidium in formation, the opposite side sidewall of described sliding tray is uniformly provided with multiple and described jack blind hole one to one at axial direction, described blind hole is identical with the vertical thickness of described interior stomidium and vertical thickness more than described jack, a plate it is mounted in each described jack, the vertical thickness of described plate the inner is more than the vertical thickness at other position and the vertical thickness being slightly less than described blind hole, described base plate is provided with lever mounting bracket, described lever mounting bracket includes upper boom and lower beam, described low stem casing is loaded on outside the montant of described upper boom, the montant of described upper boom is uniformly provided with hole, multiple location at vertical direction, the top of described lower beam is provided with through hole, the screw rod of bolt realizes fixing described upper boom and described lower beam through described through hole and one of them hole, described location, spacing between hole, multiple described location and the spacing between multiple described jacks are identical, the crossbeam of described upper boom is provided with fulcrum shaft, the external diameter of described fulcrum shaft is slightly less than the width of described sliding tray, the described fulcrum shaft described sliding tray of traverse, one of in described plate is placed on described fulcrum shaft and realizes the load-bearing to lever,Described base plate is additionally provided with cylinder mounting seat, one end of described cylinder is articulated with in described cylinder mounting seat, the piston rod of the described cylinder other end is hinged with the lower end of described lever, the epimere of described lever is provided with axial notch, the A/F of described axial notch is less than the width in described axial notch, the termination of described push rod is provided with roller wheel shaft orthogonal with described push rod, the two ends of described roller wheel shaft are separately installed with roller, two described rollers and roller wheel shaft are placed in the axial notch of described lever, described roller can in described axial notch axial rolling.
2. the fixing device of ratio adjustable lever driven type pressing according to claim 1, it is characterised in that: described cylinder mounting seat is between described push rod gripper shoe and described lever mounting bracket and near described push rod gripper shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410638345.XA CN105643554A (en) | 2014-11-13 | 2014-11-13 | Proportion adjustable lever transmission type pressing and fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410638345.XA CN105643554A (en) | 2014-11-13 | 2014-11-13 | Proportion adjustable lever transmission type pressing and fixing device |
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| Publication Number | Publication Date |
|---|---|
| CN105643554A true CN105643554A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410638345.XA Pending CN105643554A (en) | 2014-11-13 | 2014-11-13 | Proportion adjustable lever transmission type pressing and fixing device |
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| CN (1) | CN105643554A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963040A (en) * | 2021-02-07 | 2021-06-15 | 恒元建设控股集团有限公司 | Basement civil air defense structure |
| CN115027638A (en) * | 2022-07-11 | 2022-09-09 | 武汉航道船厂 | Dock segmented ship body parallel folding device |
-
2014
- 2014-11-13 CN CN201410638345.XA patent/CN105643554A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963040A (en) * | 2021-02-07 | 2021-06-15 | 恒元建设控股集团有限公司 | Basement civil air defense structure |
| CN112963040B (en) * | 2021-02-07 | 2022-05-03 | 恒元建设控股集团有限公司 | Basement civil air defense structure |
| CN115027638A (en) * | 2022-07-11 | 2022-09-09 | 武汉航道船厂 | Dock segmented ship body parallel folding device |
| CN115027638B (en) * | 2022-07-11 | 2024-03-15 | 武汉航道船厂 | Parallel folding device for segmented hulls in dock |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160608 |
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| WD01 | Invention patent application deemed withdrawn after publication |