CN101722325A - Crank underlying plate nibbling scissors - Google Patents

Abstract

The invention discloses crank underlying plate nibbling scissors belonging to corollary equipment in a steel rolling production line. A transmission deceleration system of the crank underlying plate nibbling scissors is moved on the ground or under the ground with the crank underlying transmission structure of the crank underlying plate nibbling scissors; and especially, an upper scissor and a lower scissor simultaneously operate to realize the shearing of a plate so that the complex degree and the equipment failure rate of the equipment, the installation, the debugging and the daily maintenance are convenient. The equipment has the greatest advantage of small occupying area and is most suitable for the improvement of a rolling mill production line of the traditional plate.

Description

Crank underlying plate nibbling scissors

The sheet material segmentation that the present invention relates to a kind of improved steel rolling production-line is cut, especially bent axle underlying, and the transmission deceleration system moves to ground or underground, and the relative motion simultaneously of last lower scissors realizes the crank underlying plate nibbling scissors of shearing.

Prior art has had the shearing equipment of various ways supporting with it since steel rolling production-line comes out, and for example: scrap cutter, unit's dish are cut, flying shear, crosscut are cut, segmentation is cut etc.; Wherein preceding two kinds is the longitudinal shear equipment of sheet material, has only back three kinds to be the lateral shear equipment of sheet material, identical with function and usage of the present invention.In back three kinds of shearing equipments, also can divide according to the position difference of shearing equipment rolling line of living in; Cephalotomy scissors, lipper are cut, scale is cut etc., and just the title difference is to show difference, and its structure generic segmentation is cut, crosscut is cut.The segmentation of prior art is cut, crosscut is cut is above scissors independently moving, and the deceleration transmission system places the scissors frame top to realize shearing, and both structures are in full accord, and just address is different.Flying shear is to realize shearing with the cylinder of two rotations.Its tool common trait is: complex structure, and fuselage is huge, and its equipment tonnage increases for the present invention becomes multiple, and mechanical breakdown is frequent.

Task of the present invention is: provide that a kind of structure is comparatively simple, floor space is little, " crank underlying plate nibbling scissors " that tonnage is lower, mechanical breakdown is less for the sheet material steel rolling production-line.

Task of the present invention is finished as follows: at the two ends of a rectangle base, a group body frame that is made of last lower bearing bracket assembling is installed respectively, respectively process one in its junction and highly equate concentric bent axle axis hole, and realize and the assembling of three-core bent axle by sliding bearing.Being 180 ° of distribution eccentric throws at the bent axle section is h ₁, h ₂O ₁And O ₃Respectively establish two places, be symmetrical expression and be distributed in crankshaft two end; Two outer end eccentric throws are h ₁O ₁Install with the bottom of last scissors frame by crank A and be connected at diameter of axle place.Two inner eccentric throws are h ₂O ₃Diameter of axle place is connected with the lower scissors frame by crank B.Respectively establish a rectangle concavity slideway in the first half two sides of last scissors frame, be with the square slider of slide block axle the inner of the same level height of upper spider that is installed in the scissors frame outside and be slidingly matched.Be the last scissors frame middle part of horizontal level with the slide block axle, the open rectangular wedge shape introducing port of opening before and after being, the long limit of the last wedge shape handle scissors that closes.A concavity lower scissors rack slide is vertically opened on long limit under the introducing port level, is the lower scissors frame that is slidingly matched with it and is installed in the lower scissors rack slide, in the outside of both sides lower scissors slideway two block pressur plates is installed, and guiding lower scissors frame slides up and down.Plane on the lower scissors frame becomes symmetric position to be shearing installation lower scissors with last scissors.When bent axle rotated, crank A, crank B spur the scissors frame simultaneously and the lower scissors frame is done relative motion, realized shear action, and task so far of the present invention becomes possibility.

The present invention is compared with prior art: floor space is little, and equipment tonnage is few, at the bottom of the complex structure degree, conveniently installs, debugging, safeguards that failure rate of machinery is low, can enhance productivity, the most suitable existing plate mill improvement of manufacturing line.And segmentation of the prior art is cut, crosscut is cut, flying shear, complex structure, and floor space is big, and mechanical breakdown is frequent, influences production efficiency.

Below in conjunction with accompanying drawing the present invention is further described:

Fig. 1 is a Figure of abstract of the present invention.

Fig. 2 is an overall structure accompanying drawing of the present invention.

With reference to Fig. 2, by the whole rectangle base [1] that welds or casting is made, the trapezoidal lower bearing bracket [2] and trapezoidal upper spider [4] that adopts same process to machine installed at its two ends respectively, contraposition is combined and installed with high-strength bolt and is whole about being, respectively process together arbor hole at its junction suitable position, sliding bearing [21] is installed.Three axles [5] of processing a material high-quality are passes through the river formula and is installed in sliding bearing [21] hole.In two upper spiders [4] first half side, process horizontal concentric slide block axle [a 9] axis hole, be static shape installation one in the axis hole and can divide the concentric slide block axle of big small end [9], its small end is installed in the central shaft hole place of the square slider of being installed in the smooth slideway [11] of the concavity rectangle inner surface processing of board-like two little sides processing of going up scissors frame [13] [10], and is and is slidingly matched.After last scissors frame [13] is assembled by slide block axle [9], slide block [10] with both sides upper spider [4], last scissors frame [13] can be under the mutual guiding of slide block [10] and slideway [11], lower slider on the whole, (its whole strokes are the cutting stroke of last scissors [15]) can also be the whole swing of the former heart by slide block axle [9], (its swing central angle is decided by bent axle [5] eccentric throw h1).Last scissors frame [13] up and down all strokes be 2h1. and bent axle [5] center line O2[23] be the O1[24 of eccentric throw h1] eccentric diameter of axle place is symmetrical expression and is distributed in bent axle [5] two outer ends, the inboard of two upper spiders [4]; With O1[24] eccentric diameter of axle place is the board-like shaft-like crank A[6 of opposite assembling] bar portion realize being linked and packed with last scissors frame [13] bottom, the formation mechanical hinge, high-strength bolt is all adopted in its junction.When bent axle [5] rotates, at crank A[6] with the pulling and guide effect of slide block [10] under, last scissors frame [13] promptly can be made the swing formula and move up and down, and has realized the shear action of last scissors [15].At the first half of last scissors frame [13], with sliding axle [9] centerline, the open suitable rectangular wedge shape introducing port [12] of a width of opening before and after the horizontal direction, long limit is the oblique line wedge shape on it, is 2.5 ° of angles of shear with horizontal long limit down.Be parallel at introducing port [12] 1/2 degree of depth places wedge shape limit install the rectangular plate shape of the meticulous special substance of a processing go up scissors [15] and select respective screws and last scissors frame [13] closing.The spill lower scissors rack slide [19] of one 1/2 degree of depth is opened in the bottom of the introducing port [12] of last scissors frame [13], and the board-like lower scissors frame [18] that conforms to specification realizes assembling to be being slidingly matched.With the upper horizontal plane place of the lower scissors frame [18] of last scissors [15] symmetric position, be shearing condition install one with the identical shaped lower scissors [16] of the same material same process of last scissors [15], and keep 0.1mm～0.3mm gap with last scissors [15].Select for use proportional screw and lower scissors frame [18] closing.In the outside of two place's lower scissors rack slides [19], each installs tabular pressing plate [8], the linearity that guiding lower scissors frame [18] moves up and down.In appropriate location, lower scissors frame [18] outerplanar two ends, respectively establish a semicircular plate formula boss [20], become whole with lower scissors frame [18], side plane in boss [20], processing in horizontal direction connects axle [17] axis hole with one heart, with board-like shaft-like crank B[7] shank assemble jointly, form mechanical hinge.Bent axle B[7] in addition end and crank A[6] adopt same process and installation method, being installed in bent axle [5] two inboard eccentric throws is h ₂O ₃[22] eccentric diameter of axle place.By power shaft [3] with after the deceleration transmission system is connected, bent axle [5] rotates, crank A[6], crank B[7] can spur scissors frame [13] and lower scissors frame [18] simultaneously and do relative motion, realized shear action of the present invention, by the shear material is under the guiding of triangular shape guide plate [14] by the strip cross section, enter introducing port [12], determine clipped position after, turning crankshaft [5] is realized the inactive state down cut.So far the present invention " crank underlying plate nibbling scissors " presses the arrangement and method for construction of foregoing description, can realize making and finish.

Claims (9)

1. one one with base [1], lower bearing bracket [2], upper spider [4], bent axle [5], crank A[6], crank B[7], slide block axle [9], slide block [10], go up " crank underlying plate nibbling scissors " that scissors frame [13], lower scissors frame [18] formed and it is characterized in that with O2[23] be the three-core bent axle [5] that is 180 ° of distributions in the center of circle, two outer end eccentric throws are h1, O1[24] diameter of axle place is by crank A[6] be connected with last scissors frame [13]; Two inner eccentric throws are h2, O3[22] diameter of axle place is by crank B[7] be connected with lower scissors frame [18], turning crankshaft [5], crank A[6], crank B[7] can spur scissors frame [13] simultaneously and lower scissors frame [18] is done relative motion, realize shear action.

2. the feature of the present invention by claim 1, regulation is: realize that the relative motion simultaneously of upper and lower scissors is to be finished by a bent axle [5] rotation.

3. the features of the present invention by claim 1,2 regulations are: going up that scissors frame [13] realizes moving down action is by crank A[6] be connected with [5] two on bent axle, eccentric throw and eccentric direction are identical, are distributed in bent axle [5] two outer ends and realize.

4. the features of the present invention by claim 1,2 regulations are: it is by crank B[7 that lower scissors frame [18] go up to move is done] be connected with [5] two on bent axle, eccentric throw and eccentric direction be identical, be distributed in bent axle [5] two the inners and realize.

5. the features of the present invention by claim 1,2 regulations are: go up scissors frame [13] and lower scissors frame [18] and be connected with O1, the O3 off-centre diameter of axle place of bent axle [5] respectively by crank separately, and with bent axle [5] O2[23] for center of circle symmetrical distribution, be mutually 180 °.

6. the features of the present invention by claim 1,2,3 regulations are: be located at the concavity rectangle slideway [11] of scissors frame [13] both sides, be with slide block [10] that the set slide block axle of both sides upper spider [4] [9] assemble mutually be being slidingly matched lead jointly on scissors frame [13] move up and down and finish shear action.

7. the feature of the present invention by claim 1,2,4 regulations is: the lower scissors [16] that is located at lower scissors frame [18] is for laterally horizontal, and 2.5 ° of angles of shear all are located at the last scissors [15] of scissors frame [13].

8. the present invention, the feature by claim 1,2 regulations is: be sheared sheet material after introducing port [12] imports, its level height position overlaps with two ends slide block axles [9] center line level height.

9. the feature of the present invention by claim 1,2 regulations is: go up scissors frame [13] when finishing the shearing task, not only do and move up and down, be that the center of circle moves back and forth with slide block axle [9] also, its pendulum angle realizes that with bent axle [5] the eccentric throw h1 of wobbling action is directly proportional.

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