Be used for general tool of precision finishing
Technical Field
The utility model relates to a general tool field, more specifically say, the utility model relates to a be used for general tool of precision finishing.
Background
Jigs have been widely used in industrial age, including mechanical jigs, woodworking jigs, welding jigs, jewelry jigs, and other fields, and some types of jigs are also called "molds" or "auxiliary tools" and are mainly intended to repeat reproduction of a certain portion repeatedly and accurately.
The existing universal jig for precision machining still has the defects in the actual use process, and is inconvenient to adjust and fix at the two ends and the middle of a workpiece.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a be used for general tool of precision finishing, the utility model aims to solve the technical problem that: how to adjust and fix the two ends and the middle of the workpiece.
In order to achieve the above object, the utility model provides a following technical scheme: a universal jig for precision machining comprises a jig plate, wherein connecting discs are movably arranged at two ends of the top of the jig plate, a connecting plate is arranged at the eccentric position of the top of each connecting disc, the connecting plate is connected with the connecting discs through a rotating shaft, one end, far away from the connecting discs, of each connecting plate is provided with a clamping plate, the side face, close to the connecting plate, of each clamping plate is fixedly provided with a first fixing plate and a second fixing plate, the first fixing plate is positioned between the first clamping plate and the second fixing plate, the connecting plate is connected with the top end of the second fixing plate through the rotating shaft, the top end and the bottom end of each fixing plate are respectively provided with a connecting shaft, the top end and the bottom end of each fixing plate are respectively and movably provided with a first movable arm and a second movable arm, one ends, far away from the first fixing plate, of each first movable arm and the, the fixed section of thick bamboo is inside to have seted up the dashpot, the inside buffer beam that has run through of dashpot, the fixed buffer spring that is equipped with between dashpot inner wall and the buffer beam, and buffer spring is fixed locates inside the dashpot, the connection pad both sides all are equipped with the limiting plate, and fixed connection between limiting plate and the tool board, the limiting plate is close to the side of connection pad and has seted up the spout, the side activity that the limiting plate is close to the connection pad is equipped with the sliding plate, and inside the spout was located in the sliding plate slides.
When the device is used, a workpiece is placed in the placing groove, the servo motor drives the connecting disc to rotate through the transmission shaft, when the connecting disc and a rotating shaft of the connecting plate rotate to a position close to the near end of the placing groove, the connecting plate pushes the first clamping plate to be close to and clamp the workpiece through the second fixing plate, the first movable arm and the second movable arm are in an inclined state when viewed from the top, the first fixing plate pulls the first horizontal arm to be close to the workpiece through the connecting shaft and the connecting block, the first horizontal arm pulls the second clamping plate to be away from the workpiece through the push block and the fixing cylinder, the two end parts of the workpiece can be machined, when the connecting plate rotates to a middle horizontal line of the connecting disc, the connecting plate pulls the first clamping plate to be away from one end of the workpiece, the second clamping plate is close to the workpiece for a distance, the workpiece is in a release state, the workpiece is convenient to take, the connecting disc and the rotating shaft of the connecting plate are rotated to the far end far away from the placing groove, the first clamping plate is completely retracted at the moment, the plurality of groups of second clamping plates are in contact with the two ends of the workpiece and clamp the workpiece, and the middle part of the workpiece can be machined at the moment.
In a preferred embodiment, a second clamping plate is fixedly arranged at one end, away from the buffer spring, of the buffer rod, and the second clamping plate is positioned outside one end of the fixed cylinder, so that the end part of the workpiece can be fixed conveniently.
In a preferred embodiment, a placing groove is formed in the middle of the top of the jig plate, and the placing groove is located between the two groups of connecting discs, so that a workpiece can be placed conveniently.
In a preferred embodiment, first movable arm and second movable arm all include vertical arm, a horizontal arm and No. two horizontal arms, and vertical arm, a horizontal arm and No. two horizontal arm vertical direction are the setting of Z shape, a horizontal arm and No. two horizontal arms are fixed respectively and are located vertical arm's top one side and bottom opposite side, are convenient for connect fixed cylinder and fixed plate No. one.
In a preferred embodiment, a central shaft penetrates through the vertical arm, the central shaft and the vertical arm are arranged in parallel, and the bottom end of the central shaft is fixedly connected with the jig plate, so that the first horizontal arm and the second horizontal arm can rotate conveniently.
In a preferred embodiment, a push block is fixedly arranged on the side face of one end, away from the vertical arm, of the first horizontal arm, and the push block is connected with one end, away from the buffer rod, of the fixed cylinder through a rotating shaft, so that the fixed cylinder is pushed conveniently.
In a preferred embodiment, the second horizontal arm is fixedly provided with a connecting block at one end far away from the vertical arm, the first movable arm is rotatably connected with the top end of the first fixing plate through a corresponding connecting shaft and a corresponding connecting block, and the second movable arm is rotatably connected with the bottom end of the first fixing plate through a corresponding connecting shaft and a corresponding connecting block, so that the first clamping plate can be conveniently pushed.
In a preferred embodiment, a servo motor is arranged between the jig plate and the connecting disc, the servo motor is fixedly installed on the top surface of the jig plate, and the servo motor is fixedly connected with the center of the bottom of the connecting disc through a transmission shaft, so that the connecting disc is driven to rotate conveniently.
The utility model discloses a technological effect and advantage:
1. the utility model is provided with the connecting disc, the first movable arm and the second movable arm, the middle and the two ends of the fixed workpiece can be adjusted, when the rotating shaft of the connecting disc and the connecting plate rotates to the near end near the placing groove, the connecting plate pushes the first clamping plate to be close to and clamp the workpiece through the second fixed plate, the two end parts of the workpiece can be processed, when the connecting plate rotates to the middle horizontal line of the connecting disc, the connecting plate pulls the first clamping plate to be far away from one end of the workpiece, and simultaneously the second clamping plate is close to the workpiece for a certain distance, the workpiece is in a release state, the workpiece can be conveniently taken out after the processing is finished, when the rotating shaft of the connecting disc and the connecting plate rotates to the far end far away from the placing groove, the first clamping plate is completely withdrawn, a plurality of groups of the second clamping plates are contacted with the two ends of the workpiece and clamp the, the two ends and the middle of the workpiece are convenient to adjust and fix, and the stability of the workpiece during processing is ensured;
2. the utility model discloses a be equipped with fixed section of thick bamboo, limiting plate and sliding plate, can make No. two splint more stable when fixed and remove, buffer spring plays elastic buffer's effect, when No. two splint contact gradually with the work piece and press from both sides tightly, the buffer beam can be to inside removal of dashpot and compression buffer spring, when the both ends of fixed and release work piece, avoid leading to the work piece skew dislocation because of not having the buffering space, No. two splint drive the sliding plate when removing and slide in the spout of limiting plate is inside, can play spacing effect to No. two splint, guarantee that No. two splint remove with the straight line.
Drawings
Fig. 1 is a schematic top view of the overall structure of the present invention.
Fig. 2 is a schematic view of a first clamp plate structure of the present invention.
Fig. 3 is a schematic structural view of the first movable arm of the present invention.
Fig. 4 is a schematic diagram of the jig plate structure of the present invention.
Fig. 5 is a schematic top view of the cross-sectional structure of the fixing tube of the present invention.
The reference signs are: 1 tool board, 2 connection pads, 3 connecting plates, 4 splint, 5 first digging arm, 6 second digging arm, 7 fixed cylinder, No. 8 splint, 9 standing groove, No. 10 fixed plates, No. 11 fixed plates, 12 connecting axles, 13 vertical arm, No. 14 horizontal arm, No. 15 horizontal arm, 16 center pins, 17 ejector pad, 18 connecting blocks, 19 limiting plates, 20 sliding plates, 21 servo motor, 22 buffer slots, 23 buffer rods, 24 buffer springs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a universal jig for precision finishing, which comprises a jig plate 1, wherein both ends of the top of the jig plate 1 are movably provided with a connecting disc 2, the eccentric part of the top of the connecting disc 2 is provided with a connecting plate 3, the connecting plate 3 is connected with the connecting disc 2 through a rotating shaft, one end of the connecting plate 3 far away from the connecting disc 2 is provided with a first clamping plate 4, the side surface of the first clamping plate 4 close to the connecting plate 3 is fixedly provided with a first fixing plate 10 and a second fixing plate 11, the first fixing plate 10 is positioned between the first clamping plate 4 and the second fixing plate 11, the connecting plate 3 is connected with the top end of the second fixing plate 11 through the rotating shaft, the top end and the bottom end of the first fixing plate 10 are respectively provided with a connecting shaft 12, the top end and the bottom end of the first fixing plate 10 are respectively movably provided with a first movable arm 5 and a second movable arm 6, one ends of the first movable arm 5 and the second movable, and parallel arrangement between solid fixed cylinder 7 and the connecting plate 3, buffer slot 22 has been seted up to solid fixed cylinder 7 is inside, buffer slot 22 is inside to run through there is buffer beam 23, fixed buffer spring 24 that is equipped with between buffer slot 22 inner wall and the buffer beam 23, and buffer spring 24 is fixed to be located inside buffer slot 22, connection pad 2 both sides all are equipped with limiting plate 19, and fixed connection between limiting plate 19 and the tool board 1, limiting plate 19 is close to the side of connection pad 2 and has seted up the spout, the side activity that limiting plate 19 is close to connection pad 2 is equipped with sliding plate 20, and sliding plate 20 slides and locates inside the spout.
Buffer rod 23 is kept away from buffer spring 24's one end and is fixed No. two splint 8 that are equipped with, and No. two splint 8 are located solid fixed cylinder 7 one end outside.
A placing groove 9 is formed in the middle of the top of the jig plate 1, and the placing groove 9 is located between the two groups of connecting discs 2.
First movable arm 5 and second movable arm 6 all include vertical arm 13, a horizontal arm 14 and No. two horizontal arms 15, and vertical arm 13, a horizontal arm 14 and No. two horizontal arms 15 vertical direction are the Z shape setting, horizontal arm 14 and No. two horizontal arms 15 are fixed respectively and are located vertical arm 13's top one side and bottom opposite side.
The inside center pin 16 that has run through of vertical arm 13, and parallel arrangement between center pin 16 and the vertical arm 13, fixed connection between 16 bottom of center pin and the tool board 1.
A push block 17 is fixedly arranged on the side face of one end, away from the vertical arm 13, of the first horizontal arm 14, and the push block 17 is connected with one end, away from the buffer rod 23, of the fixing barrel 7 through a rotating shaft.
No. two horizontal arms 15 keep away from the fixed connecting block 18 that is equipped with of one end of vertical arm 13, rotate through corresponding connecting axle 12 and connecting block 18 between the top of first movable arm 5 and a fixed plate 10 and be connected, rotate through corresponding connecting axle 12 and connecting block 18 between the bottom of second movable arm 6 and a fixed plate 10 and be connected.
Be equipped with servo motor 21 between tool board 1 and connection pad 2, and servo motor 21 fixed mounting is in tool board 1 top surface, through transmission shaft fixed connection between servo motor 21 and the bottom center of connection pad 2.
As shown in fig. 1 to 4, the embodiment specifically is: when the device is used, a workpiece is placed in the placing groove 9, the servo motor 21 is connected with an external power supply and a switch, the working modes of the two groups of connecting discs 2 are the same, one group of connecting discs 2 is taken as an example, the servo motor 21 drives the connecting discs 2 to rotate through a transmission shaft, the eccentric parts of the connecting discs 2 are connected with the connecting plate 3 through a rotating shaft, when the rotating shafts of the connecting discs 2 and the connecting plate 3 rotate to be close to the near end of the placing groove 9, the connecting plate 3 pushes the first clamping plate 4 to be close to and clamp the workpiece through the second fixing plate 11, at the moment, the first movable arm 5 and the second movable arm 6 are in an inclined state in the overlooking direction, the first fixing plate 10 pulls the first horizontal arm 14 to be close to the workpiece through the connecting shaft 12 and the connecting block 18, the first horizontal arm 14 pulls the second clamping plate 8 to be far away from the workpiece through the push block, when connecting plate 3 rotates to the middle part horizontal line of connection pad 2 on, 3 pulling splint 4 of connecting plate keep away from work piece one end distance, No. two splint 8 are close to one section distance to the work piece simultaneously, the work piece is the release state this moment, be convenient for take out the work piece after processing is accomplished, continue to rotate connection pad 2, make connection pad 2 rotate to the distal end of keeping away from standing groove 9 with the pivot of connecting plate 3, splint 4 withdraws completely this moment, the both ends contact of No. two splint 8 of multiunit and work piece presss from both sides tight work piece, can process the mid portion of work piece this moment, guarantee the work piece and add the firm of man-hour, this embodiment has specifically solved the current inconvenient problem of adjusting fixedly at the both ends of work piece and centre that is used for general tool of precision.
As shown in fig. 1, 4 and 5, the embodiment specifically is as follows: fixed cylinder 7 promotes No. two splint 8 through buffer beam 23 and buffer spring 24, buffer spring 24 plays the effect of elastic buffer, when No. two splint 8 contact gradually and press from both sides tightly with the work piece, buffer beam 23 can be to buffer slot 22 inside removal and compression buffer spring 24, when the both ends of fixed and release work piece, avoid leading to the work piece skew dislocation because of there being no buffering space, perpendicular welded fastening between No. two splint 8 and sliding plate 20, No. two splint 8 drive sliding plate 20 when removing and slide in the spout inside of limiting plate 19, can play spacing effect to No. two splint 8, guarantee that No. two splint 8 remove with the straight line, this embodiment has specifically solved the problem that is not stable enough when No. two splint 8 are fixed and remove.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 in the specification, a workpiece is placed in a placing groove 9, a servo motor 21 drives a connecting disc 2 to rotate through a transmission shaft, when rotating shafts of the connecting disc 2 and a connecting plate 3 rotate to be close to the near end of the placing groove 9, the connecting plate 3 pushes a first clamping plate 4 to be close to and clamp the workpiece through a second fixing plate 11, a first movable arm 5 and a second movable arm 6 are in an inclined state when viewed from the top, a first horizontal arm 14 is pulled to be close to the workpiece through a connecting shaft 12 and a connecting block 18 under the fixation of a central shaft 16, the first horizontal arm 14 pulls a second clamping plate 8 to be far away from the workpiece through a push block 17 and a fixing cylinder 7, the two end parts of the workpiece can be machined, when the connecting plate 3 rotates to the middle horizontal line of the connecting disc 2, the connecting plate 3 pulls the first clamping plate 4 to be far away from one end of the workpiece, and the second clamping plate, the workpiece is in a release state at the moment, the workpiece is conveniently taken out after processing is finished, the connecting disc 2 is continuously rotated, the rotating shafts of the connecting disc 2 and the connecting plate 3 are rotated to the far end far away from the placing groove 9, the first clamping plate 4 is completely retracted at the moment, a plurality of groups of second clamping plates 8 are contacted with the two ends of the workpiece and clamp the workpiece, the middle part of the workpiece can be processed at the moment, the stability of the workpiece during processing is ensured, the fixed cylinder 7 pushes the second clamping plate 8 through the buffer rod 23 and the buffer spring 24, the buffer spring 24 plays a role of elastic buffering, when the second clamping plates 8 are gradually contacted and clamped with the workpiece, the buffer rod 23 can move towards the inside of the buffer groove 22 and compress the buffer spring 24, when the two ends of the workpiece are fixed and released, the workpiece is prevented from being deviated and misplaced due to no buffer space, the second clamping plates 8 and the sliding plate 20 are vertically welded and fixed, the second clamping plates 8, can play spacing effect to No. two splint 8, guarantee that No. two splint 8 remove with the straight line.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.