CN212857139U - Floating drawing device of plate spring rolling mill - Google Patents
Floating drawing device of plate spring rolling mill Download PDFInfo
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- CN212857139U CN212857139U CN202021347893.4U CN202021347893U CN212857139U CN 212857139 U CN212857139 U CN 212857139U CN 202021347893 U CN202021347893 U CN 202021347893U CN 212857139 U CN212857139 U CN 212857139U
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- 238000005096 rolling process Methods 0.000 title claims abstract description 25
- 230000011664 signaling Effects 0.000 claims description 22
- 239000000463 material Substances 0.000 abstract description 13
- 238000005452 bending Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a floating drawing device of plate spring rolling mill, which comprises a frame, the middle part of frame is fixed with the mount pad, frame upper portion is equipped with the support bedplate, the middle part and the mount pad of support bedplate rotate to be connected, the front end of frame articulates there is floating oil cylinder, floating oil cylinder's top is articulated with the support plate, support bedplate top is equipped with slide rail one along its length direction, sliding connection has the slip bedplate on the slide rail one, support bedplate internal fixation has the drawing hydro-cylinder, the piston rod of drawing the hydro-cylinder is fixed with the slip bedplate, slip bedplate front end is equipped with vertical clamping mechanism, vertical clamping mechanism's rear end is equipped with horizontal automatic centering clamping mechanism. The utility model discloses utilize from top to bottom to press from both sides tightly and the horizontal automatic centering presss from both sides tightly, replaced artifical the regulation, reduced the adjustment time, improved the adjustment precision. The clamping mechanism adopts a hinged structure, the oil cylinder controls the lifting, and the problem that the cold material end cannot extend into the clamping mechanism due to overlarge bending degree of the plate spring is avoided. The positioning stability of the cold end of the plate spring is improved.
Description
Technical Field
The utility model relates to a floating drawing device of a plate spring rolling mill, which belongs to the technical field of plate spring rolling mills.
Background
The existing pulling device of the rolling mill in China needs to manually adjust a plate spring length positioning block of a horizontal clamping mechanism according to plate springs with different lengths. And pulling the oil cylinder to push the horizontal clamping mechanism, feeding the plate spring into the rolling mill, and stopping pushing the oil cylinder to start rolling after the rotary encoder detects the required rolling length.
However, when the bending degree of the plate spring is too large, the cold material end of the plate spring is easy to extend into the upper part or the lower part of the horizontal clamping mechanism, so that the clamping mechanism cannot clamp the plate spring and stops. The plate spring cold material end is fixed with only one horizontal clamping mechanism, so that the clamping force is insufficient, and waste products such as skew rolling, waste rolling and the like appear in the rolling process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a floating drawing device of a plate spring rolling mill solves present drawing device and when the leaf spring crookedness is too big, and the cold burden end of leaf spring stretches into horizontal clamping mechanism's top or below easily, causes clamping mechanism can't clip the leaf spring and shut down. The plate spring cold material end is fixed with only one horizontal clamping mechanism, so that the problems that the clamping force is insufficient, the rolling process is inclined, the waste rolling and other waste conditions occur are caused.
The utility model relates to a floating drawing device of plate spring rolling mill, which comprises a frame, the middle part of frame is fixed with the mount pad, frame upper portion is equipped with the support bedplate, the middle part and the mount pad of support bedplate rotate to be connected, the front end of frame articulates there is the hydro-cylinder that floats, the top and the support plate of hydro-cylinder that float are articulated, support bedplate top is equipped with slide rail one along its length direction, sliding connection has the slip bedplate on the slide rail one, support bedplate internal fixation has the drawing hydro-cylinder, the piston rod of drawing the hydro-cylinder with have the slip bedplate fixed, slip bedplate front end is equipped with vertical clamping mechanism, vertical clamping mechanism's rear end is equipped with horizontal automatic centering clamping mechanism.
Vertical clamping mechanism is including fixing the lower plate at the front end of slip bedplate, and the rear side of lower plate is equipped with the support column of fixing on the slip bedplate, and the upper end of support column rotates and is connected with the pressure arm, and the front end of pressure arm articulates there is the punch holder, and the rear end of pressure arm articulates there is the compressing cylinder, and the compressing cylinder lower extreme is articulated with the slip bedplate. The vertical direction of the plate spring can be conveniently clamped, so that the plate spring is fixed more firmly.
Horizontal automatic centering clamping mechanism is including setting up the signaling board of rear end in the middle of the lower plate and the sliding plate fixed with the signaling board, both sides are equipped with horizontal splint around the signaling board, horizontal splint fixedly connected with actuating arm, the middle part of actuating arm is rotated and is installed on the sliding plate, survey in the actuating arm of both sides and pass through sector gear meshing and connect, the actuating arm of one side articulates there is die clamping cylinder, die clamping cylinder's rear side is articulated with the sliding plate, be equipped with the connecting plate on the sliding plate, be equipped with slide rail two on the connecting plate, sliding plate slidable mounting is on slide rail two, fixed mounting has adjust the cylinder on the connecting plate, the adjust the cylinder other end is articulated with the sliding plate, the signaling board is connected with the controller, adjust the. The servo control replaces the manual work, so that the adjustment time is shortened, and the adjustment precision is improved. The situation that the clamping position is inaccurate due to the fact that the plate spring rebounds when impacting on the length positioning signaling plate is effectively avoided.
The mounting frame is fixed on the sliding seat plate, a third sliding rail is arranged on the mounting frame, the connecting plate is slidably mounted on the third sliding rail, a nut is fixed on the connecting plate and connected with a lead screw, the lead screw is connected with a servo motor, and the servo motor is connected with the controller. The controller is a PLC controller. The front and back positions of the horizontal centering automatic feeding clamping mechanism can be adjusted through the servo motor, so that the device is suitable for plate springs with different lengths.
The upper end of the upper clamping plate is fixed with a first support, the top of the first support is hinged with a balance plate, the other end of the balance plate is hinged with a second support, the second support is fixed with a pressure arm, and the balance plate is parallel to the central axis of the upper clamping plate and the central axis of the pressure arm. A parallelogram structure can be formed, and the lower clamping plate is ensured to be in a horizontal state in the pressing process as much as possible.
The rear end of the support seat plate is provided with a limiting plate, and the limiting plate is fixed with the rack. Preventing the supporting seat board from being jacked too high.
A limiting block is arranged below the front end of the supporting seat plate and is fixed with the rack. Preventing the support seat plate from falling too low.
The door frame type supporting rod is arranged above the front end of the supporting seat plate, rotating shafts are fixed to two sides of the lower end of the supporting rod and are rotatably mounted on the supporting seat plate, a rocker and a rocker are fixed to the outer side of each rotating shaft, the lower end of the rocker and the rocker are hinged to a rotating cylinder, and the other end of the rotating cylinder is hinged to the supporting seat plate. Can support in the middle of the leaf spring through the bracing piece, it is more firm, through revolving cylinder adjusting support bar's angle to adjust the vertical height of bracing piece, thereby adapt to the not leaf spring of co-altitude.
The front end face of the signaling board is provided with a contact switch which is connected with the controller. The contact switch may also be a photoelectric switch.
The utility model discloses, following beneficial effect has:
the vertical clamping and the horizontal automatic centering clamping are utilized to replace manual adjustment, so that the adjustment time is shortened, and the adjustment precision is improved. The clamping mechanism adopts a hinged structure, the oil cylinder controls the lifting, and the problem that the cold material end cannot extend into the clamping mechanism due to overlarge bending degree of the plate spring is avoided. The plate spring in the vertical direction is increased to be compressed, and the positioning stability of the cold end of the plate spring is improved.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic perspective view of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 5 is an enlarged view of the structure at B in FIG. 3;
in the figure: 1. the device comprises a rack, 2, a floating oil cylinder, 3, a limiting block, 4, a first sliding rail, 5, a supporting rod, 6, a supporting seat plate, 7, a sliding seat plate, 8, a lower clamping plate, 9, an upper clamping plate, 10, a first support, 11, a balance plate, 12, a supporting column, 13, a pressing arm, 14, a pressing air cylinder, 15, a mounting frame, 16, a limiting plate, 17, a mounting seat, 18, a drawing oil cylinder, 19, a rotating air cylinder, 20, a horizontal clamping plate, 21, a driving arm, 22, a clamping air cylinder, 23, a sliding plate, 24, an adjusting air cylinder, 25, a third sliding rail, 26, a connecting plate, 27, a second sliding rail, 28, a signaling plate, 29 and a sector.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1 to 5, the utility model discloses leaf spring rolling mill drawing device that floats, which comprises a frame 1, the middle part of frame 1 is fixed with mount pad 17, 1 upper portion of frame is equipped with support bedplate 6, support bedplate 6's middle part is rotated with mount pad 17 and is connected, frame 1's front end articulates there is unsteady hydro-cylinder 2, unsteady hydro-cylinder 2's top is articulated with support bedplate 6, support bedplate 6 top is equipped with slide rail 4 along its length direction, sliding connection has sliding seat board 7 on slide rail 4, support bedplate 6 internal fixation has drawing hydro-cylinder 18, it is fixed with sliding seat board 7 to draw the piston rod of hydro-cylinder 18, sliding seat board 7 front end is equipped with vertical clamping mechanism, vertical clamping mechanism's rear end is equipped with horizontal automatic centering clamping mechanism.
Vertical clamping mechanism is including fixing the lower plate 8 at the front end of slip bedplate 7, and the rear side of lower plate 8 is equipped with the support column 12 of fixing on slip bedplate 7, and the upper end of support column 12 rotates and is connected with pressure arm 13, and the front end of pressure arm 13 articulates there is upper plate 9, and the rear end of pressure arm 13 articulates there is compressing cylinder 14, and compressing cylinder 14 lower extreme is articulated with slip bedplate 7.
The horizontal automatic centering and clamping mechanism comprises a signaling plate 28 arranged at the middle rear end of a lower clamping plate 8 and a sliding plate 23 fixed with the signaling plate 28, horizontal clamping plates 20 are arranged on the front side and the rear side of the signaling plate 28, a driving arm 21 is fixedly connected with the horizontal clamping plate 20, the middle of the driving arm 21 is rotatably installed on the sliding plate 23, the inner sides of the driving arms 21 on the two sides are connected with each other through a sector gear 29 in a meshed mode, the driving arm 21 on one side is hinged to a clamping cylinder 22, the rear side of the clamping cylinder 22 is hinged to the sliding plate 23, a connecting plate 26 is arranged on a sliding seat plate 7, a sliding rail II 27 is arranged on the connecting plate 26, the sliding plate 23 is slidably installed on the sliding rail II 27, an adjusting cylinder 24 is fixedly installed on the connecting plate 26, the other end of the adjusting cylinder 24 is hinged to the.
Be fixed with mounting bracket 15 on the slide base plate 7, be equipped with three 25 of slide rail on the mounting bracket 15, connecting plate 26 slidable mounting is on three 25 of slide rail, is fixed with the nut on the connecting plate 26, and the nut is connected with the lead screw, and lead screw connection servo motor, servo motor connection director.
A first support 10 is fixed at the upper end of the upper clamping plate 9, a balance plate 11 is hinged to the top of the first support 10, a second support is hinged to the other end of the balance plate 11, the second support is fixed with a pressure arm 13, and the balance plate 11 is parallel to the central axis of the upper clamping plate 9 and the central axis of the pressure arm 13.
And a limiting plate 16 is arranged at the rear end of the support seat plate 6, and the limiting plate 16 is fixed with the rack 1.
A limiting block 3 is arranged below the front end of the supporting seat plate 6, and the limiting block 3 is fixed with the rack 1.
The utility model discloses a support bedplate 6, including support bedplate 6, the front end of support bedplate 6 is equipped with door frame type bracing piece 5 above, and the lower extreme both sides of bracing piece 5 are fixed with the pivot, and the pivot is rotated and is installed on support bedplate 6, and the pivot outside is fixed with that the rocker lower extreme articulates there is revolving cylinder 19, and the revolving cylinder 19 other end is articulated with support bedplate 6.
The front end face of the signal transmitting plate 28 is provided with a contact switch, and the contact switch is connected with the controller.
The drawing device adopts a hinged mode, when the cold end of the plate spring extends into the holding jaw through the rolling mill, the piston rod of the floating oil cylinder 2 close to the rolling mill is retracted, so that the lower supporting surface of the holding jaw is lower than the plate spring, and the problem that the cold end cannot extend into the clamping mechanism due to too large bending degree of the plate spring is avoided.
The clamping mechanism is additionally provided with a vertical pressing mechanism on the basis of horizontal centering and clamping, so that the stability of the plate spring in the rolling process is improved, and the condition of deviation of the plate spring is avoided.
A length positioning and signaling plate 28 is mounted on the horizontal clamping mechanism. The servo motor drives the horizontal clamping mechanism to move to complete the length positioning and the horizontal position clamping of the plate spring. When the cold material end of the plate spring impacts the length positioning signaling plate 28, the plate spring generates a rebound displacement due to the impact force, and the adjusting cylinder 24 is arranged on the length positioning signaling plate 28, so that the signaling plate 28 can move a distance towards the plate spring, and the rebounded cold material end of the plate spring leans against the signaling plate 28, thereby offsetting the rebound displacement of the plate spring. The horizontal clamping mechanism and the vertical clamping mechanism are used for fixing the plate spring in the rolling process of the plate spring, so that the phenomenon of waste products such as the plate spring is prevented from being pricked and deflected. The clamping is composed of horizontal centering clamping and vertical pressing clamping, a plate spring is clamped in the horizontal centering mode, a vertical pressing mechanism presses the plate spring tightly, a piston rod of the floating oil cylinder 2 is pushed out, a material bearing jaw is lifted, and the plate spring begins to be rolled.
When the device is used, a plate spring enters from the front end, the piston rod of the floating oil cylinder 2 retracts to enable a material bearing jaw formed by the upper clamping plate and the lower clamping plate to descend, the cold end of the plate spring enters the material bearing jaw through the rolling mill and the supporting rod and impacts the material bearing jaw on the signaling plate 28, the signaling plate 28 sends a signal to the controller, the adjusting air cylinder 24 is controlled to push the horizontal centering mechanism to move a distance towards the rolling mill to counteract the impact rebound of the plate spring, then the controller controls the clamping air cylinder 22 to horizontally center and clamp the plate spring, then the controller controls the pressing air cylinder 14 to act, the vertical pressing mechanism presses the plate spring, the piston rod of the floating oil cylinder 2 is pushed out, the material bearing jaw rises to start rolling the plate spring, when the plate spring is rolled, the drawing oil cylinder acts.
To sum up, the utility model discloses it is tight and the horizontal automatic centering presss from both sides tightly from top to bottom to utilize, has replaced artifical the regulation, has reduced the adjustment time, has improved the adjustment precision. The clamping mechanism adopts a hinged structure, the oil cylinder controls the lifting, and the problem that the cold material end cannot extend into the clamping mechanism due to overlarge bending degree of the plate spring is avoided. The plate spring in the vertical direction is increased to be compressed, and the positioning stability of the cold end of the plate spring is improved.
In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Claims (9)
1. The utility model provides a floating draw-off gear of leaf spring rolling mill, includes frame (1), its characterized in that: the middle part of frame (1) is fixed with mount pad (17), frame (1) upper portion is equipped with support bedplate (6), the middle part and mount pad (17) of support bedplate (6) are rotated and are connected, the front end of frame (1) articulates there is unsteady hydro-cylinder (2), the top of unsteady hydro-cylinder (2) is articulated with support bedplate (6), support bedplate (6) top is equipped with slide rail (4) along its length direction, sliding connection has slip bedplate (7) on slide rail (4), support bedplate (6) internal fixation has drawing hydro-cylinder (18), the piston rod of drawing hydro-cylinder (18) is fixed with there is slip bedplate (7), slip bedplate (7) front end is equipped with vertical clamping mechanism, vertical clamping mechanism's rear end is equipped with horizontal automatic centering clamping mechanism.
2. The floating draw apparatus of a leaf spring mill of claim 1, wherein: vertical clamping mechanism is including fixing lower plate (8) at the front end of slip bedplate (7), and the rear side of lower plate (8) is equipped with support column (12) of fixing on slip bedplate (7), and the upper end of support column (12) is rotated and is connected with pressure arm (13), and the front end of pressure arm (13) articulates there is punch holder (9), and the rear end of pressure arm (13) articulates there is compressing cylinder (14), and compressing cylinder (14) lower extreme is articulated with slip bedplate (7).
3. The floating draw apparatus of a leaf spring mill of claim 2, wherein: the horizontal automatic centering and clamping mechanism comprises a signaling plate (28) arranged at the middle rear end of a lower clamping plate (8) and a sliding plate (23) fixed with the signaling plate (28), horizontal clamping plates (20) are arranged on the front side and the rear side of the signaling plate (28), a driving arm (21) is fixedly connected with the horizontal clamping plate (20), the middle part of the driving arm (21) is rotatably arranged on the sliding plate (23), the inner sides of the driving arms (21) on the two sides are connected with each other through a sector gear (29) in a meshed manner, a clamping cylinder (22) is hinged to the driving arm (21) on one side, the rear side of the clamping cylinder (22) is hinged to the sliding plate (23), a connecting plate (26) is arranged on a sliding seat plate (7), a sliding rail II (27) is arranged on the connecting plate (26), the sliding plate (23) is slidably arranged on the sliding rail II (27), an adjusting cylinder (24) is fixedly arranged on, the signaling board (28) is connected with a controller, and the controller is connected with an adjusting cylinder (24), a clamping cylinder (22) and a pressing cylinder (14).
4. The floating draw apparatus of a leaf spring mill of claim 3, wherein: be fixed with mounting bracket (15) on slide base board (7), be equipped with three (25) of slide rail on mounting bracket (15), connecting plate (26) slidable mounting is on three (25) of slide rail, is fixed with the nut on connecting plate (26), and the nut is connected with the lead screw, and screw connection servo motor, servo motor connection director.
5. The floating draw apparatus of a leaf spring mill of claim 2, wherein: a first support (10) is fixed at the upper end of the upper clamping plate (9), a balance plate (11) is hinged to the top of the first support (10), a second support is hinged to the other end of the balance plate (11), the second support is fixed with the pressing arm (13), and the balance plate (11) is parallel to a central shaft of the upper clamping plate (9) and a central shaft connecting line of the pressing arm (13).
6. The floating draw apparatus of a leaf spring mill of claim 1, wherein: the rear end of the support seat plate (6) is provided with a limit plate (16), and the limit plate (16) is fixed with the rack (1).
7. The floating draw apparatus of a leaf spring mill of claim 1, wherein: a limiting block (3) is arranged below the front end of the supporting seat plate (6), and the limiting block (3) is fixed with the rack (1).
8. The floating draw apparatus of a leaf spring mill of claim 1, wherein: the door frame type supporting rod (5) is arranged above the front end of the supporting seat plate (6), the two sides of the lower end of the supporting rod (5) are fixed with rotating shafts, the rotating shafts are rotatably installed on the supporting seat plate (6), the lower end of a rocker is fixed on the outer side of each rotating shaft, a rotary cylinder (19) is hinged to the lower end of the rocker, and the other end of the rotary cylinder (19) is hinged to the supporting seat plate (6).
9. The floating draw apparatus of a leaf spring mill of claim 4, wherein: the front end face of the signaling board (28) is provided with a contact switch which is connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021347893.4U CN212857139U (en) | 2020-07-10 | 2020-07-10 | Floating drawing device of plate spring rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021347893.4U CN212857139U (en) | 2020-07-10 | 2020-07-10 | Floating drawing device of plate spring rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212857139U true CN212857139U (en) | 2021-04-02 |
Family
ID=75214140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021347893.4U Active CN212857139U (en) | 2020-07-10 | 2020-07-10 | Floating drawing device of plate spring rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212857139U (en) |
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2020
- 2020-07-10 CN CN202021347893.4U patent/CN212857139U/en active Active
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