Clamp for assembling wrist arm of contact network
Technical Field
The utility model belongs to the technical field of the contact net equipment, concretely relates to anchor clamps are used in assembly of contact net cantilever.
Background
Railway construction is greatly promoted in China in these years, wherein the assembly of the contact network cantilever is heavy physical activity, and the assembly requirement is high, so that a plurality of automatic enterprises begin to involve in the industry, and are dedicated to developing a set of efficient and stable contact network cantilever assembly system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anchor clamps are used in assembly of contact net cantilever, this anchor clamps have realized the full automatic clamping of contact net cantilever work piece, have promoted stability and production efficiency, and the suitability is high.
The utility model adopts the technical proposal that:
a clamp for assembling a cantilever of a contact network comprises two clamping modules which are symmetrically arranged in parallel and have the same structure; the clamping module comprises an installation bottom plate, a sliding table cylinder is arranged on the installation bottom plate, an installation seat is arranged at the movable end of the sliding table cylinder, a linear sliding rail is arranged on the installation seat, an upper opening and closing mechanism and a lower opening and closing mechanism are respectively arranged at the upper part and the lower part of the linear sliding rail through sliders, the upper opening and closing mechanism and the lower opening and closing mechanism respectively comprise a supporting plate and a finger cylinder which drives the supporting plate to ascend and descend along the linear sliding rail, a bolt pressing mechanism and a stop gasket fixing mechanism are distributed on the supporting plate, the bolt pressing mechanism and the stop gasket fixing mechanism respectively comprise a pressing block and a pressing cylinder which is arranged on the supporting plate and drives the; after the sliding table cylinder is pushed in and the two supporting plates are folded to extend into a gap between the workpieces, the gap can be opened to fix the workpieces when the two supporting plates are opened, the pressing block of the bolt pressing mechanism retracts to press the bolt head on the workpieces to the clamping groove on the workpieces, and the pressing block of the stop washer fixing mechanism retracts to clamp the stop washer.
Further, the upper opening and closing mechanism and the lower opening and closing mechanism respectively adjust the limit position through the initial position adjusting block and the stop position limiting screw rod.
Furthermore, the finger cylinder is arranged on a connecting plate of the finger cylinder, the connecting plate of the finger cylinder moves along with the sliding block, the initial position adjusting block is arranged on the mounting seat, the stop position limiting screw rod is arranged on the mounting seat through a support, a push rod at the lower part of the finger cylinder is connected with the initial position adjusting block, and the upper part of the connecting plate of the finger cylinder is limited through the stop position limiting screw rod.
Furthermore, an initial position and limit position adjusting mechanism is arranged on the sliding table cylinder, and the fixed position of the workpiece can be adjusted.
Furtherly, add the line ball ware positioning mechanism on one of them centre gripping module, line ball ware positioning mechanism includes the cylinder along with the motion of slip table cylinder expansion end and establishes the cardboard on the cylinder push rod, and the work piece clamping is fixed and the cardboard stretches out the back, can be fixed line ball ware fastening.
Furthermore, the supporting plate can be matched with the shapes of more than two workpieces at the same time.
Furthermore, the supporting plate can be matched with the front and back installation of the same workpiece.
Further, the mount pad is L type.
The utility model has the advantages that:
the full-automatic clamping of contact net cantilever work piece has been realized to this anchor clamps, can promote stability and production efficiency with the accurate centre gripping of work piece and the convenient follow-up nut operation of screwing up, has reduced intensity of labour, and during the different work piece of clamping moreover, only need change corresponding layer board and briquetting can, the suitability is high.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a three-dimensional view of a single clamping module in the first embodiment of the present invention.
Fig. 3 is a schematic view of the embodiment of the present invention before a workpiece clamping carrier cable seat.
Fig. 4 is a schematic view of the workpiece after being clamped on the messenger wire seat according to an embodiment of the present invention.
Fig. 5 is a schematic view of the construction of a workpiece messenger seat.
Fig. 6 is a schematic view of the double-lug double-clamped workpiece sleeve according to the embodiment of the present invention.
Fig. 7 is a schematic structural view of a double lug of the workpiece sleeve.
Fig. 8 is a schematic view of the embodiment of the present invention after three clamping workpieces support the pipe clamp.
Fig. 9 is a schematic view of the construction of a work support tube clip.
Fig. 10 is a schematic view of the positioning ring for four clamped workpieces according to the embodiment of the present invention.
Fig. 11 is a schematic diagram of a workpiece positioning ring.
In the figure: 1, mounting a bottom plate; 2-a slipway cylinder; 3-an initial position adjusting block; 4-finger cylinder connecting plate; 5-finger cylinder of lower opening and closing mechanism; 6-stop position limit screw; 7-finger cylinder of upper opening and closing mechanism; 8-a linear slide rail; 9-a pressing cylinder of the bolt pressing mechanism; 10-pressing block of the bolt pressing mechanism; 11-a supporting plate of an upper opening and closing mechanism; 12-a clamping module; 13-a cord grip positioning mechanism; 14-a supporting plate of the lower opening and closing mechanism; 15-a press block of the stop washer fixing mechanism; 16-a hold down cylinder of the stop washer fixture; 17-a mounting seat; 18-left clamping module; 19-right clamping module; 20-a workpiece messenger wire seat; 21-a workpiece messenger seat body; 22-a wire presser; 23-workpiece messenger seat bolt; 24-workpiece sleeve ears; 25-workpiece sleeve binaural body; 26-workpiece sleeve binaural bolt; 27-workpiece sleeve double lug stop washer; 28-a workpiece support tube clip; 29-workpiece support tube clip body; 30-workpiece support tube clamp bolt; 31-a workpiece support tube clip stop washer; 32-a workpiece positioning ring; 33-a workpiece positioning ring body; 34-a workpiece positioning ring stop pad; 35-workpiece positioning ring bolt.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
The utility model provides an anchor clamps are used in assembly of contact net cantilever for the work piece of centre gripping assembly on the contact net cantilever, as shown in fig. 1 to fig. 4, fig. 6, fig. 8 and fig. 10, foundation structure is: comprises two clamping modules 12 which are symmetrically arranged in parallel and have the same structure, each clamping module 12 comprises a mounting base plate 1, each mounting base plate 1 is used for being fixed with a machine table, a sliding table cylinder 2 is arranged on each mounting base plate 1, each sliding table cylinder 2 is provided with an initial position and a limit position adjusting mechanism which can adjust the fixing position of a workpiece, a mounting seat 17 is arranged at the movable end of each sliding table cylinder 2, each mounting seat 17 is of a simple L shape, a linear sliding rail 8 is arranged on each mounting seat 17, the upper part and the lower part of each linear sliding rail 8 are respectively provided with an upper opening and closing mechanism and a lower opening and closing mechanism through sliding blocks, each upper opening and closing mechanism comprises a supporting plate 11 and a finger cylinder 7 which drives the supporting plate 11 to ascend and descend along the linear sliding rail 8, each lower opening and closing mechanism comprises a supporting plate 14 and a finger cylinder 5 which drives the supporting plate 14 to ascend and descend along the linear sliding rail 8, bolt pressing mechanisms and locking gasket, the stop gasket fixing mechanisms comprise pressing blocks 15 and pressing cylinders 16 which are arranged on the supporting plates 14 and drive the pressing blocks 15 to lift, and the supporting plates 11 and 14 and the pressing blocks 10 and 15 can be replaced according to the types of workpieces; after the sliding table cylinder 2 is pushed in and the two supporting plates 11 and 14 are folded to extend into a gap between workpieces, the gap can be opened to fix the workpieces when the two supporting plates 11 and 14 are opened, the pressing block 10 of the bolt pressing mechanism retracts to press the bolt head on the workpieces to the clamping groove on the workpieces, the bolt is prevented from rotating when the nut is screwed, the pressing block 15 of the stop gasket fixing mechanism retracts to clamp the stop gasket, and the stop gasket is prevented from rotating when the nut is screwed.
The function realization process is as follows: 1) before a workpiece is clamped, the sliding table cylinders 2 of the two clamping modules 12 are retracted, the two clamping modules 12 are in an open state, the middle distance is enough for the workpiece in a horizontal state to pass through smoothly, the lower finger cylinder 5 extends out, the two supporting plates 11 and 14 are in a closed state, the pressing cylinders 9 and 16 arranged on the supporting plates 11 and 14 extend out, and the bolt pressing mechanism and the stop washer fixing mechanism are in an open state; 2) when a workpiece is clamped, the clamp moves under the movement of the machine table bottom plate and moves to the position of the manual feeding rod, the workpiece which is manually placed is placed on the manual feeding rod, the direction of the workpiece is horizontal, the workpiece bolt is loosened to a certain degree, the sliding table cylinder 2 extends out at the moment, the two folded supporting plates 11 and 14 are inserted into a gap between two halves of the workpiece, then the lower finger cylinder 5 retracts, the upper finger cylinder 7 extends out to change the two supporting plates 11 and 14 from a folding state to an opening state, a gap between two halves of the workpiece is expanded by the supporting plates to reach an opening value regulated by equipment, the workpiece opening ensures that a wrist arm can smoothly pass through a circular hole formed by the two half circular holes of the workpiece, each pressing cylinder 9 and each pressing cylinder 16 retract at the moment, a bolt pressing mechanism presses a bolt head into a clamping groove on the workpiece through a pressing block 10, and a stop washer is clamped on a stop washer fixing mechanism through the pressing block 15; after a workpiece is clamped, the clamp drives the workpiece to move to a target position on the mechanism, the tightening mechanism installs the workpiece on the cantilever, then the bolt pressing mechanism and the stop gasket fixing mechanism are both opened, the two supporting plates 11 and 14 move to a closing position again, the sliding table cylinders 2 on the two sides retract to loosen the workpiece, the function of the whole clamp is completed, and then the next round of clamping is prepared.
This anchor clamps have realized the full automatic clamping of contact net cantilever work piece, can with the accurate centre gripping of work piece and make things convenient for follow-up nut tightening operation, promoted stability and production efficiency, reduced intensity of labour, during the different work pieces of clamping moreover, only need change corresponding layer board 11 and 14, briquetting 10 and 15 can, the briquetting of changing generally is the briquetting 15 in the locking gasket fixed establishment, because the bolt size is generally the same, consequently briquetting 10 in the bolt hold-down mechanism is not changed often, the suitability is high.
As shown in fig. 1 and 2, the upper opening and closing mechanism and the lower opening and closing mechanism respectively adjust the limit position through an initial position adjusting block 3 and a stop position limiting screw 6, finger cylinders 5 and 7 are arranged on a finger cylinder connecting plate 4, the finger cylinder connecting plate 4 moves along with a sliding block, the initial position adjusting block 3 is arranged on the back surface of a mounting seat 17, the stop position limiting screw 6 is arranged on the back surface of the mounting seat 17 through a support, push rods at the lower parts of the finger cylinders 5 and 7 are connected with the initial position adjusting block 3, and the upper part of the finger cylinder connecting plate 4 is limited through the stop position limiting screw 6.
As shown in fig. 3-11, four common types of workpieces and four compatible embodiments are provided, as follows.
In the first embodiment: as shown in fig. 3 to 5, the workpiece carrier cable seat 20 is as shown in fig. 5, a bolt hold-down mechanism is arranged on the supporting plate 11 on the upper portion, a stop washer fixing mechanism is arranged on the supporting plate 14 on the lower portion, and a plurality of wire pressing devices 22 are arranged on the workpiece carrier cable seat 20, so that the wire pressing device positioning mechanism 13 is additionally arranged on the original structure of the clamp, the wire pressing device positioning mechanism 13 comprises a cylinder moving along with the moving end of the sliding table cylinder 2 and a clamping plate arranged on a cylinder push rod, after the workpiece clamping is fixed and the clamping plate extends out, the wire pressing devices 22 can be tightly pressed and fixed, the positioning effect is achieved, and the rotation of the wire pressing devices 22 in the.
In example two: as shown in fig. 6 to 7, the workpiece sleeve lugs 24 are shown in fig. 7, and the bolts 26 of the workpiece sleeve lugs 24 are distributed in a crossed manner, so that the corresponding support plates 11 and 14 are provided with a bolt pressing mechanism and a stop washer fixing mechanism.
In example three: as shown in fig. 8 to 9, the workpiece support tube clip 28 is shown in fig. 9, and there are two situations in the actual assembly of the workpiece support tube clip 28, and the present clip designs the support plates 11 and 14 into a mode capable of being assembled in a forward and reverse manner, and according to the actual situation, the workpiece is placed in different brackets to realize different assembly manners.
In example four: as shown in fig. 10 to 11, the workpiece positioning ring 32 is shown in fig. 11, and in actual assembly, there is a case that the workpiece support tube clip 28 and the workpiece positioning ring 32 are to be placed on one set of fixture at the same time.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.