CN111392406A

CN111392406A - Coil stock goods presss from both sides and stacker

Info

Publication number: CN111392406A
Application number: CN202010207472.XA
Authority: CN
Inventors: 尹兴盛; 吕金宝
Original assignee: Shenyang Ruisheng Intelligent Equipment Co ltd
Current assignee: Shenyang Ruisheng Intelligent Equipment Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-07-10
Anticipated expiration: 2040-03-23
Also published as: CN111392406B

Abstract

The invention discloses a coil material clamp, which comprises a lower fork; a row of cantilever groups are respectively arranged below the lower fork and on two sides of the lower fork, and each row of cantilever groups comprises at least two cantilevers; the lower end of the cantilever is rotatably provided with swing arms, the swing arms positioned on two sides of the lower fork are arranged oppositely, the rotating end of each swing arm is provided with a convex tooth, the lower end of the cantilever is also movably provided with a first rack which is meshed with the convex teeth on the swing arms of the same row of cantilever groups, the swing arms are driven by the first racks to rotate, so that the swing arms are switched between an open state and a closed state, and when the swing arms are opened, the coil clamp releases a coil; when the swing arm is closed, the coil stock clamp clamps the coil stock. The invention also provides a stacker adopting the goods clamp, which effectively solves the problem of unstable gravity center when clamping materials in the prior art; when the swing arm is closed, the lower fork, the cantilever and the swing arm surround the coil material to better fix the material; the swing arm is in a very stable state in any state by means of the meshing between the first rack and the convex teeth.

Description

Coil stock goods presss from both sides and stacker

Technical Field

The invention belongs to the technical field of clamping goods taking and placing devices, and particularly relates to a goods clamp and a stacker for taking and placing coil materials.

Background

With the wide application of factory automation and stereoscopic warehouses, the intelligent material handling equipment is used as a necessary automatic handling loading and unloading means for connecting and adjusting the discrete logistics management system to enable the operation to be continuous, and the application range and the technical level of the intelligent material handling equipment are rapidly developed.

The Chinese patent with publication date of 2019, 11 and 15, publication number of CN110451151A and patent name of cylindrical material three-dimensional storage system discloses a technical scheme, and adopts a subsystem consisting of an warehousing module, a stacking module, a three-dimensional shelf module and an ex-warehouse module; the cylindrical material three-dimensional storage system can be composed of one or more subsystems and a storage control module, wherein the subsystems are connected in series through a main conveying line. The stacking module is used for picking and placing the transported materials among the warehousing module, the three-dimensional goods shelf module and the ex-warehouse module. The stacking module comprises a stacker which horizontally runs along an X axis, a cargo carrying table which vertically ascends and descends along a Y axis is arranged on the stacker, and a fork which stretches along a Z axis is arranged on the cargo carrying table. A plurality of I-shaped V-shaped blocks are arranged on the fork, and the V-shaped blocks are used for supporting materials. The forks support the material by means of V-blocks, but there is a risk of the material on the forks falling off during transfer if the stacker moves too fast.

The application publication date is 24/11/2017, the application publication number is CN107378930A, and a technical scheme is disclosed in Chinese patent with a patent name of a manipulator suitable for a pipe, and the technical scheme comprises a support body, a first manipulator, a second manipulator, a driving assembly and a movable plate; the first mechanical arm, the second mechanical arm and the driving assembly are respectively arranged on the lower surface of the support body, the driving assembly is positioned between the first mechanical arm and the second mechanical arm, the driving assembly is respectively connected with the first mechanical arm and the second mechanical arm, and the two mechanical arms can slide along the direction close to or far away from the driving assembly; two opposite sides of the first mechanical arm and the second mechanical arm are respectively provided with two movable plates in a hinged mode, telescopic rods are respectively arranged between the two movable plates and the first mechanical arm and between the two movable plates and the second mechanical arm, and the telescopic rods are hinged to the movable plates. By adopting the technical scheme, the problem that the mechanical arm is unstable in clamping the pipe and the pipe is easily damaged due to overlarge clamping force when the mechanical arm transports the pipe can be solved. However, the technical scheme has the problem that due to the limited width of the first mechanical arm and the second mechanical arm, when a material with a long length is clamped, the gravity center is unstable in the clamping process due to uneven stress, so that the material may fall off, and therefore, an effective solution is needed.

Disclosure of Invention

1. Problems to be solved

Aiming at the problem that the center of gravity is unstable when a goods clamp or a mechanical arm clamps materials, particularly longer materials in the prior art, the invention provides a surrounding type coil material goods clamp and a stacker which can prevent the materials from falling.

2. Technical scheme

In order to solve the problems, the technical scheme adopted by the invention is as follows: a coil material pallet comprising a lower fork; a row of cantilever groups are respectively arranged below the lower fork and on two sides of the lower fork, and each row of cantilever groups comprises at least two cantilevers; the lower end of the cantilever is rotatably provided with a swing arm, the swing arms positioned on two sides of the lower fork are arranged in opposite directions, the rotating end of the swing arm is provided with a convex tooth, the lower end of the cantilever is also movably provided with a first rack which is meshed with the convex teeth on the swing arms of the same row of cantilever groups, the swing arm is driven to rotate by the first rack, so that the swing arms are switched between an open state and a closed state, and when the swing arms are opened, the coil clamp releases a coil; when the swing arms are closed, the coil stock clamp clamps the coil stock. In the technical scheme, each row of cantilever groups comprises at least two cantilevers, so that the cantilever groups are stable when clamping a certain coil stock with a longer length, the problem of unstable gravity center when clamping a material with a longer length in the prior art is effectively solved, and the material can be effectively prevented from falling; when the swing arm is closed, the lower fork, the cantilever and the swing arm surround the coil material to play a better fixing role; the first rack and the convex teeth are meshed to enable the swing arm to be in a very stable state when the swing arm is in a closed or open state, so that the stability of clamping materials when the goods clamp is in a working state is improved.

Furthermore, the lower end of the cantilever is provided with a guide groove, and the first rack of the corresponding cantilever group sequentially penetrates through the guide grooves at the lower ends of the cantilevers of the cantilever group. This technical scheme drives the swing arm through the meshing between first rack and the guide way and rotates, has better stability.

Further, the cantilever includes cantilever body, lower connecting block, first connecting side plate and back connecting plate, the cantilever body links to each other with lower connecting block through first connecting side plate, cantilever body lower extreme is provided with down the inclined plane, the connecting block is equipped with the inclined plane down, goes up inclined plane and lower inclined plane parallel arrangement, cantilever body and lower connecting block are connected to back connecting block, be provided with the guide way on the back connecting block, corresponding cantilever group the first rack passes the guide way of each cantilever lower extreme of this cantilever group in proper order. The inclination of the lower inclined plane of the cantilever body and the upper inclined plane of the lower connecting block determines the included angle degree between the swing arm and the horizontal line when the swing arm is in a closed state.

Further, still include the connecting block, go up the connecting block and install in the bottom of cantilever body, pass through the second with the cantilever body and connect the curb plate and be connected, the inclined plane sets up on last connecting block down. In this technical scheme, can adjust the swing arm and the contained angle number of degrees of water flat line when the closure state through the last connecting block of changing different inclinations and lower connecting block.

Furthermore, the two rows of cantilever groups are arranged in a staggered mode, and/or a gasket is arranged on the upper surface of the free end of each of the swing arms. The aim of the staggered design of the cantilever groups is to reduce the gravity deformation of the coil stock and reduce the possibility that the coil stock, particularly a cloth roll, is rolled out of folds; the design of the gasket can prevent the coil from being damaged in the clamping process.

Further, when the swing arm is closed, it is at an angle α from horizontal, 0 ° < α <45 °.

The middle fork is arranged above the lower fork, the lower fork can move back and forth relative to the middle fork, and the middle fork comprises a first connecting plate which comprises a raised first bottom plate and first inclined plates which obliquely extend downwards along two sides of the first bottom plate; the lower fork comprises a second connecting plate, the second connecting plate comprises a second raised bottom plate and a second inclined plate extending obliquely downwards along two sides of the second bottom plate, and a horizontal second wing plate extends along the second inclined plate; the second bottom plate of the lower fork and the second inclined plates on two sides of the second bottom plate are positioned in the accommodating cavity of the middle fork. The lower fork can move back and forth relative to the middle fork, so that the fork can take goods from the goods shelf or put the goods on the goods shelf; the fork presents double-deck superimposed compact structure down with the well fork, and the fork can set up together relatively laminating down with the well fork of fork, and the fork has partly coil stock can be more deeply by the fork centre gripping when the centre gripping of carrying out the coil stock, and the cantilever and the swing arm of the lower surface of fork, both sides constitute one and hold the chamber and firmly the centre gripping with the coil stock, play better fixed action.

Furthermore, guide rails are respectively arranged on the first inclined plates on the two sides, and lower fork roller guide grooves are formed in the outer side surfaces of the guide rails; the second wing plates on two sides are respectively provided with a vertical upward side plate, a second roller is installed on the side plates, and the second roller is arranged in a lower fork roller guide groove on one corresponding side. Through the technical scheme, the relative motion between the lower fork and the middle fork can be realized by a very compact structure by utilizing the special structures of the lower fork and the middle fork.

Further, the fork mechanism also comprises an upper fork, wherein the upper fork is arranged above the middle fork, and the middle fork can move back and forth relative to the upper fork; an upper fork roller guide groove is formed in the inner side face of the guide rail, and an installation cavity for accommodating the upper fork is formed between the guide rail and the first inclined plate; the upper fork comprises two fixing plates, a first roller is mounted on the outer side wall of each fixing plate, the lower parts of the two fixing plates are respectively arranged in one of the mounting cavities, and the first rollers are arranged in the roller guide grooves of the upper fork. Through the technical scheme, the relative motion between the upper fork and the middle fork can be realized by a very compact structure by utilizing the special structures of the upper fork and the middle fork.

Furthermore, one end of each guide rail is provided with a synchronous belt wheel, and the two synchronous belt wheels are positioned at the opposite ends of the guide rails; two synchronous belt wheels are respectively wound and connected with a synchronous belt, two ends of the synchronous belt are respectively connected to the second wing plate and the fixed plate on one side where the corresponding synchronous belt wheel is located, and the connection point of the synchronous belt, the second wing plate and the fixed plate is located at one end opposite to the corresponding synchronous belt wheel; and a rack is arranged below the first inclined plate. The guide rails on the two sides and the corresponding sides of the upper fork and the lower fork are provided with synchronous belt structures, and the relative movement of the lower fork relative to the middle fork is realized through the matching of the synchronous belts and the synchronous belt wheels; the synchronous belt structure on one side is used for realizing that the middle fork drives the lower fork to extend out, and the synchronous belt structure on the other side is used for realizing that the middle fork drives the lower fork to retract; a rack is arranged below the first inclined plate, a gear meshed with the rack is arranged on the upper fork, and linkage between the middle fork and the upper fork is realized through meshing between the gear and the rack; or under the condition that no upper fork is arranged, a gear meshed with the rack can be directly arranged on the stacker, and the linkage between the middle fork and the stacker is realized through the meshing between the gear and the rack. This technical scheme can realize with a simple compact structure that the fork is for well fork, well fork relative motion for last fork down to make the operating range of coil stock clip increase, the centre gripping of the coil stock of being convenient for.

The invention also provides a stacker which is provided with the coil material clamp.

3. Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

(1) each row of cantilever groups comprise at least two cantilevers, so that the cantilever groups are relatively stable when clamping a certain coil stock with a longer length, the problem of unstable gravity center when clamping a material with a longer length in the prior art is effectively solved, the material can be effectively prevented from falling, and the production efficiency is improved; the first rack and the convex teeth are meshed to enable the swing arm to be in a very stable state in a closed or opened state, so that the stability of clamping materials when the goods clamp is in a working state is improved;

(2) when the swing arm is closed, the lower fork, the cantilever and the swing arm are in a four-side surrounding shape, so that a better fixing effect on a coiled material can be achieved, the coiled material is prevented from falling when being taken, placed and transported, and the carrying reliability is improved;

(3) the swinging direction of the swinging arm is consistent with the length direction of the first rack, when the swinging arm is opened, the goods clamp can be better stored in a non-working state, and other materials are prevented from being touched;

(4) the invention realizes the relative movement of the lower fork relative to the middle fork and the middle fork relative to the upper fork by utilizing the matching of the gear rack, the synchronous belt and the synchronous belt wheel, and has compact structure, low cost and good reliability;

(5) the invention has simple structure, reasonable design and easy manufacture.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a diagram illustrating a state of the present invention when clamping a roll;

FIG. 3 is an end view of the present invention;

FIG. 4 is an end view of the present invention in holding a roll;

FIG. 5 is an exploded view of the body of the fork of the present invention;

FIG. 6 is an end view of the fork body of the present invention;

FIG. 7 is a view of the present invention with the forks extended;

FIG. 8 is a schematic view of the structure of the cargo clamp and the driving device of the present invention;

FIG. 9 is a state view of the swing arm of the present invention in an open position;

FIG. 10 is a schematic view of the construction of the cargo clamp of the present invention;

FIG. 11 is an exploded view of the first cargo clamp of the present invention;

FIG. 12 is an exploded view of the second cargo clamp of the present invention;

in the figure: 11: an upper fork; 111: a fixing plate; 112: a first roller; 12: a middle fork; 121: a guide rail; 1211: an upper fork roller guide groove; 1212: a lower fork roller guide groove; 1213: a synchronous pulley; 1214: a guide buckle avoidance groove; 122: a first connecting plate; 1221: a first base plate; 1222: a first wing plate; 1223: a first side plate; 1224: a rack; 1225: a reinforcing plate; 1226: a mounting cavity; 13: a lower fork; 131: a second side plate; 132: a second connecting plate; 1321: a second base plate; 1322: a second swash plate; 1323: a second wing plate; 1324. 1326: a guide buckle; 1325: a second roller; 21: a cantilever; 211: a cantilever body; 212: a first connection side plate; 213: a second connecting side plate; 214: an upper connecting block; 215: a lower connecting block; 216: a rear connecting plate; 217: a rotating shaft hole; 22: swinging arms; 221: a rotating shaft; 23: a gasket; 24: a guide groove; 25: a shaft sleeve; 31: a first rack; 32: a drive mechanism.

Detailed Description

The invention is further described with reference to specific examples.

As shown in fig. 1, 2, 3, 4, 7 and 8, the present invention includes a fork body, a clamp and a drive device; the fork body includes an upper fork 11, a middle fork 12, and a lower fork 13. The upper fork 11 is fixed on a goods loading platform of the stacker, and the middle fork 12 is positioned below the upper fork 11 and can move back and forth relative to the upper fork 11; the lower fork 13 is located below the middle fork 12, and the lower fork 13 can move back and forth relative to the middle fork 12.

As shown in fig. 5 and 6 (in the present embodiment, some qualifiers used in describing the specific structures and mutual positional relationships of the upper fork 11, the middle fork 12 and the lower fork 13 in conjunction with fig. 5 and 6, such as upper surface, upward extension, depression, concave shape, vertical downward, etc., are described with respect to fig. 5 and 6, because the forks should be placed in the directions shown in fig. 3 and 4 when the clamps are used to clamp the roll material, in order to make the relationship between the parts more clear, fig. 5 and 6 turn the forks upside down, which is opposite to the case of the forks in actual use, so that if in normal use, the upper surface in fig. 5 and 6 should be understood as the lower surface in fig. 3 and 4, the upward extension should be understood as downward extension, the depression should be understood as protrusion, the concave shape should be understood as convex shape, etc., and for this, those skilled in the art should understand that, the upper fork 11 includes two fixing plates 111, and a row of first rollers 112 is mounted on an outer side wall of each fixing plate 111. The middle fork 12 is in a shape of Chinese character 'ao', and comprises a guide rail 121 and a first connecting plate 122, wherein the two sides of the guide rail 121 are arranged in parallel, the guide rail 121 and the first connecting plate 122 are connected with the guide rail 121, the guide rail 121 and the first connecting plate 122 are integrally formed, the first connecting plate 122 comprises a first concave bottom plate 1221 and a first wing plate 1222, the two sides of the first bottom plate 1221 extend vertically and upwards, an upward inclined first side plate 1223 extends along the first wing plate 1222, the guide rail 121 is respectively arranged on the first side plate 1223 at the two sides, an upper fork roller guide groove 1211 is arranged on the inner side of the guide rail; the row of first rollers 112 on the fixing plate 111 of the upper fork 11 is matched with the upper fork guide roller groove 1211 on the corresponding side, so that the middle fork 12 can move back and forth relative to the upper fork 11, and a mounting cavity 1226 for accommodating the fixing plate 111 is formed between the inner side of the guide rail 121 and the first wing 1222 and the first side plate 1223. In specific implementation, the upper fork 11 and the middle fork 12 are linked through a gear (not shown) and a rack 1224; of course, the upper fork 11 may be omitted, the gear may be directly provided on the stacker, and the engagement between the rack and pinion may be used to realize the linkage between the middle fork 12 and the stacker. At the junction of the first base plate 1221 and the first wing 1222 on one side thereof (the first wing located on the left side in fig. 6), a mounting notch for accommodating a rack is provided, and a rack 1224 is mounted in the mounting notch, so that the structure of the present invention can realize the linkage between the upper fork 11 and the middle fork 12 in a very compact manner, the rack 1224 is disposed at the bottom of the middle fork 12 and located between the two fixing plates 111, the rack 1224 is well protected, and a reinforcing plate 1225 is disposed on the rack 1224, thereby enhancing the stability between the first base plate 1221 and the first wing 1222.

The bottom fork 13 is in a shape of Chinese character 'ao', and includes the second side plate 131 of both sides and the second connecting plate 132 of connecting the second side plate 131, and the second connecting plate 132 includes the second bottom plate 1321 that caves in and the second swash plate 1322 that extends in the oblique upward direction along the second bottom plate 1321 both sides, extends the second wing 1323 that has the horizontal direction along the second swash plate 1322, and the second wing 1323 of both sides is provided with vertical downward second side plate 131 respectively, installs a row of second gyro wheel 1325 on the second side plate 131 respectively, and second gyro wheel 1325 and the bottom fork gyro wheel guide way 1212 on the same side guide rail 121 match to make the bottom fork 13 can make a round trip movement for the middle fork 12. A timing pulley 1213 is attached to the front end of the rail 121 between the lower fork roller guide groove 1212 and the upper fork roller guide groove 1211 with respect to the rail 121 on one side (the rail on the left side in fig. 6); a guide buckle 1324 is arranged at the bottom of the left second wing plate 1323, the guide buckle 1324 and the left synchronous pulley 1213 are positioned at the same end, and a guide buckle clearance groove 1214 is arranged on the upper surface of the guide rail 121; a first timing belt (not shown) passes through the guide buckle 1324 and then is wound around the timing pulley 1213, two ends of the first timing belt are respectively connected to the left second flap 1323 and the fixing plate 111, and the connection point of the timing belt with the second flap 1323 and the fixing plate 111 is located at the rear end of the side rail 121. For the right guide rail 121, the synchronous pulley is installed at the rear end of the guide rail 121, a guide buckle 1326 is arranged at the bottom of the right second wing plate 1323, the guide buckle 1326 and the right synchronous pulley 1213 are positioned at the same end, namely, the guide buckle is also installed at the rear end of the right guide rail 21, and the guide rail 121 is also provided with a corresponding guide buckle clearance groove 1214; a second timing belt (not shown) passes through the guide buckle 1326 and then is wound on the timing pulley 1213, two ends of the second timing belt are respectively connected to the second wing plate 1323 and the fixing plate 111 on the right side, and the connection point of the second timing belt with the second wing plate 1323 and the fixing plate 111 is located at the front end of the side guide rail 121. With reference to fig. 5 and 6, the gear disposed on the fixed plate 111 or the cargo platform drives the middle fork 12 to extend out relative to the upper fork 11 through the rack 1224, the middle fork 12 drives the lower fork 13 to extend out through the synchronous belt located on one side of the middle fork, and the lower fork 13 can lift the coil after being located below the coil, so as to clamp the coil; when the gear drives the middle fork 12 to retract relative to the upper fork 11 through the rack 1224, the middle fork 12 drives the lower fork 13 to retract through the timing belt on the other side. The engagement of the rack 1224 and the gear not only allows relative movement of the middle fork 12 and the upper fork 11, but also restricts the movement range of the middle fork 12 relative to the upper fork 11.

The guide clip 1324 functions to guide the timing belt so that the timing belt is better wound around the timing pulley 1213. The guide catch 1324 is movable in the guide catch-clearance groove 1214 when the lower fork 13 moves relative to the middle fork 12, and the guide catch 1324 is inserted in the guide catch-clearance groove 1214 after the lower fork 13 is retracted, so that the lower fork 13 and the middle fork 12 can be more closely arranged.

In practice, the second side plate 131 is integrally formed with the second connecting plate 132, the guide rail 121 is integrally formed with the first connecting plate 122, and when the second connecting plate 132 holds the roll material, a part of the roll material sinks into the fork, i.e., the cavity formed by the second bottom plate 1321 and the second inclined plates 1322 on both sides. The unique structures of the middle fork 12 and the lower fork 13 enable the middle fork and the lower fork to be combined compactly, the concave-shaped structure formed by double-layer superposition of the first connecting plate 122 and the second connecting plate 132 enables the pallet fork to have a better accommodating cavity under the condition of keeping the original height, and the lower surface (shown in figures 3 and 4) of the lower fork 13, the cantilevers on two sides and the swing arms form a containing cavity to firmly clamp coiled materials, so that a better fixing effect is achieved; note that, in fig. 5 and 6, since the forks are turned upside down, the lower surface of the lower fork 13 in fig. 3 and 4, and the upper surface of the lower fork 13 in fig. 5 and 6, that is, the portion of the second bottom plate 1321 facing upward are illustrated.

As shown in fig. 6, the guide rail 121 and the first bottom plate 1221 are connected by a first side plate 1223 and a first wing plate 1222, wherein the first wing plate 1222 is vertical, the first side plate 1223 is inclined, it should be noted that the first side plate 1223 and the first wing plate 1222 may also directly adopt a structural form of a second inclined plate 1322 similar to an upper fork, that is, a first inclined plate (not shown in the figure). It is emphasized that the advantage of using the structure shown in fig. 6 is that: the installation cavity 1226 for accommodating the upper end of the fixing plate 111 is conveniently arranged, so that the space of the installation cavity 1226 is larger; it is also more advantageous to provide mounting notches for mounting the rack 1224. If the first swash plate structure is adopted, the rack 1224 is directly provided on the first swash plate, and the rack 1224 cooperates with a gear on the upper fork 11 or a gear on the stacker to allow the middle fork 12 to perform relative movement with respect to the upper fork 11 or with respect to the stacker.

It should be noted that, in the present invention, the linkage between the upper fork 11 or the stacker and the middle fork 12 is realized by a rack and pinion, the linkage between the middle fork 12 and the lower fork 13 is realized by a synchronous belt, and the rack and pinion linkage and the synchronous belt linkage are both the prior art, so the detailed description is not further provided in the specification.

As shown in fig. 1 and 2, the cargo clamp comprises two rows of cantilever groups, each row of cantilever group is formed by arranging at least 2 cantilevers 21, the two rows of cantilever groups are respectively positioned at two sides of the lower fork 13, the cantilevers 21 in the two rows of cantilever groups are arranged in a relative staggered manner, the design enables the cargo clamp to effectively reduce the gravity deformation of a coil material and reduce the possibility that the coil material, especially a cloth coil is pressed to be wrinkled when the cargo clamp clamps, of course, the cargo clamp can be designed to be a symmetrical structure when being implemented, but the symmetrical structure has the problem that the distance between the two rows of cantilever groups is increased and the inconvenience can be caused for the material with a smaller diameter when the cargo clamp clamps clamp is carried out, the cantilevers 21 in the left and right rows are arranged on the lower surface of a second wing plate 1323 of the lower fork 13 when being installed specifically, namely, the upper surface of the second wing plate 1323 shown in fig. 6 is viewed in a mode that the cantilevers 21 in the left and right rows are arranged on the lower surface of the lower fork 13 (in a view of fig. 6, namely, the upper surface of the second wing plate 1323 is arranged in a mode, the cantilever 22 is arranged with a swinging arm 22, the swinging arm 22 is arranged in a swinging angle of 6320 degree which is more matched with a swinging angle of a guiding device, and 8620 when the swinging arm 22 is arranged in a swinging device, and a swinging arm 22.

As shown in fig. 9 and 10, the driving device includes a first rack 31 and a driving mechanism 32 for driving the first rack 31 to move back and forth along the guide groove 24, and the driving mechanism 32 may be a motor, an air cylinder, an electric cylinder, or the like. Each row of swing arms 21 is provided with a drive. The first rack 31 passes through the guide slot 24 at the lower end of the row of cantilevers 21, and one surface of the first rack 31 provided with the convex teeth is matched with the rotating end of the swing arm 22, specifically, the convex teeth on the first rack 31 are meshed with the convex teeth on the circumference of the rotating end of the swing arm 22. A drive mechanism 32 is mounted on one of the arms of the array of arms 21, and a drive shaft of the drive mechanism 32 is connected to the first rack 31. When actuating mechanism 32 is reciprocating motion, can drive first rack 31 reciprocating motion, thereby utilize first rack 31 and swing arm 22 to rotate the meshing of the dogtooth on the end circumference and drive swing arm 22 and rotate, make swing arm 22 open, two states of closure switch back and forth, when swing arm 22 is in the open state, swing arm 22 pastes on first rack, the length direction of swing arm 22 is unanimous with the length direction of first rack 31, as shown in fig. 9, make the goods press from both sides and can accomodate better under inoperative state like this, avoid swing arm 22 to touch other materials. Adopt the coil stock goods clamp of this structure, swing arm 22 is when closed state, and the lower fork 13 of top, the cantilever 21 of both sides and two swing arms 22 of below form to surround the coil stock to prevent that the coil stock from dropping, improved the reliability greatly. It should be noted that the surrounding in the present invention means not surrounding without a gap, and in order to avoid interference between the two rows of swing arms 22, when the swing arms 22 are closed, the two opposite free ends are not in contact with each other, and a certain distance is left.

For convenience of assembly, the cantilever 21 is of a split structure, as shown in fig. 11 and 12, the cantilever 21 includes a cantilever body 211, a first connecting side plate 212, a second connecting side plate 213, an upper connecting block 214, a lower connecting block 215 and a rear connecting plate 216, one side of the lower end of the cantilever body 211 is connected to the upper connecting block 214 and the lower connecting block 215 through the first connecting side plate 212, the opposite side of the lower end of the cantilever body 211, where the first connecting side plate 212 is mounted, is connected to the upper connecting block 214 through the second connecting side plate 213, so as to improve the fixing strength of the upper connecting block 214, the upper connecting block 214 is provided with a lower inclined surface, the lower connecting block 215 is provided with an upper inclined surface, the inclination of the lower inclined surface of the upper connecting block 214 and the upper inclined surface of the lower connecting block determines the included angle α between the swing arm 22 and the horizontal line when the swing arm 22 is in a closed state, in a specific embodiment, the swing arm 22 and the horizontal line can be adjusted by replacing the upper connecting block 214 and the lower connecting block 215 with the upper inclined surface 221 having different inclinations, in the closed state, it is noted that the upper connecting block 221 can be rotated by the rotating shaft 221, when the rotating shaft 221 is rotated, the rotating shaft 221 is rotated, the rotating shaft 22, the rotating shaft 221 is rotated to be adjusted to be the rotating shaft 221, the rotating shaft 221 is not rotated to be adjusted to be rotated to be the rotating shaft 221, the rotating shaft 22, the rotating shaft 221 is the rotating shaft 221, the rotating.

The invention also provides a stacker and the coil stock clamp adopting the structure. In specific implementation, the upper fork 11 is arranged on a cargo carrying platform of the stacker.

Claims

1. The utility model provides a coil stock goods presss from both sides which characterized in that: comprises a lower fork; a row of cantilever groups are respectively arranged below the lower fork and on two sides of the lower fork, and each row of cantilever groups comprises at least two cantilevers; the lower end of the cantilever is rotatably provided with a swing arm, the swing arms positioned on two sides of the lower fork are arranged in opposite directions, the rotating end of the swing arm is provided with a convex tooth, the lower end of the cantilever is also movably provided with a first rack which is meshed with the convex teeth on the swing arms of the same row of cantilever groups, the swing arm is driven to rotate by the first rack, so that the swing arms are switched between an open state and a closed state, and when the swing arms are opened, the coil clamp releases a coil; when the swing arms are closed, the coil stock clamp clamps the coil stock.

2. The coil stock clamp of claim 1, wherein: the lower end of each cantilever is provided with a guide groove, and the first rack of the corresponding cantilever group sequentially penetrates through the guide grooves at the lower ends of the cantilevers of the cantilever group.

3. The coil stock clamp of claim 1, wherein: the cantilever includes cantilever body, lower connecting block, first connecting side plate and back connecting plate, the cantilever body links to each other with lower connecting block through first connecting side plate, cantilever body lower extreme is provided with down the inclined plane, the connecting block is equipped with the inclined plane down, goes up inclined plane and lower inclined plane parallel arrangement, cantilever body and lower connecting block are connected to the back connecting block, be provided with the guide way on the back connecting block, corresponding cantilever group first rack passes the guide way of each cantilever lower extreme of this cantilever group in proper order.

4. The coil stock clamp of claim 3, wherein: the cantilever connecting structure is characterized by further comprising an upper connecting block, the upper connecting block is installed at the bottom of the cantilever body and connected with the cantilever body through a second connecting side plate, and the lower inclined plane is arranged on the upper connecting block.

5. A coil clamp according to claim 1, 2, 3 or 4, characterized in that: the two rows of cantilever groups are arranged in a staggered mode, and/or a gasket is arranged on the upper surface of the free end of the swing arm.

6. A coil clamp according to claim 1, 2, 3 or 4, characterized in that said swing arms, when closed, are at an angle α from horizontal, 0 ° < α <45 °.

7. A coil clamp according to claim 1, 2, 3 or 4, characterized in that: the middle fork is arranged above the lower fork, the lower fork can move back and forth relative to the middle fork, and the middle fork comprises a first connecting plate which comprises a raised first bottom plate and first inclined plates which obliquely extend downwards along two sides of the first bottom plate; the lower fork comprises a second connecting plate, the second connecting plate comprises a second raised bottom plate and a second inclined plate extending obliquely downwards along two sides of the second bottom plate, and a horizontal second wing plate extends along the second inclined plate; the second bottom plate of the lower fork and the second inclined plates on two sides of the second bottom plate are positioned in the accommodating cavity of the middle fork.

8. The coil stock clamp of claim 7, wherein: the first inclined plates on the two sides are respectively provided with a guide rail, and the outer side surface of each guide rail is provided with a lower fork roller guide groove; the second wing plates on two sides are respectively provided with a vertical upward side plate, a second roller is installed on the side plates, and the second roller is arranged in a lower fork roller guide groove on one corresponding side.

9. The coil stock clamp of claim 8, wherein: the middle fork can move back and forth relative to the upper fork; an upper fork roller guide groove is formed in the inner side face of the guide rail, and an installation cavity for accommodating the upper fork is formed between the guide rail and the first inclined plate; the upper fork comprises two fixing plates, a first roller is mounted on the outer side wall of each fixing plate, the lower parts of the two fixing plates are respectively arranged in one of the mounting cavities, and the first rollers are arranged in the roller guide grooves of the upper fork.

10. The coil stock clamp of claim 9, wherein: one end of each guide rail is provided with a synchronous belt wheel, and the two synchronous belt wheels are positioned at the opposite ends of the guide rails; two synchronous belt wheels are respectively wound and connected with a synchronous belt, two ends of the synchronous belt are respectively connected to the second wing plate and the fixed plate on one side where the corresponding synchronous belt wheel is located, and the connection point of the synchronous belt, the second wing plate and the fixed plate is located at one end opposite to the corresponding synchronous belt wheel; and a rack is arranged below the first inclined plate.

11. A stacker, comprising: the stacker is provided with a coil material clamp according to any one of claims 1 to 10.