Feeding and positioning mechanism of perforating machine
Technical Field
The utility model belongs to the technical field of perforators, and particularly relates to a feeding and positioning mechanism of a perforator.
Background
The perforating machine is an electric spark machine tool for machining holes with the size smaller than 5mm by using an electric spark machining principle and is used for machining small and medium-sized dies.
When the perforating machine in the related art is used for processing, a workpiece is clamped by a simple clamp, the perforating machine is used for perforating the workpiece, if the workpiece outer wall is required to be perforated in a row, the workpiece is required to be detached from the simple clamp, the workpiece is positioned again by the simple clamp after the workpiece is translated, and the workpiece outer wall is required to be perforated in a row.
Disclosure of utility model
Aiming at the problems that in the prior art, when the outer walls of the workpieces are subjected to row perforation processing, the workpieces need to be repeatedly disassembled and fixed at a clamp, the operation is troublesome, the distance between the translation distances of the workpieces at each time is difficult to accurately guarantee, and the perforation distances of the outer walls of the workpieces are difficult to guarantee. The specific technical scheme is as follows:
The utility model provides a puncher pay-off positioning mechanism, includes the puncher workstation, the base is installed on the puncher workstation top, the base inner chamber is rotated along the horizontal direction and is installed the lead screw, the lead screw realizes intermittent type nature circumference through intermittent type slewing mechanism and rotates, lead screw outer wall threaded connection has the removal seat, it is connected with locating part to remove the seat top, the locating part inner chamber is located there is the work piece.
In the above technical scheme, the intermittent rotating mechanism comprises a driving component and a rotating component.
In the above technical scheme, the drive part is including rotating connect in the actuating lever on base inner wall right side, still including from left to right install in proper order in first spacing dish and the bull stick of actuating lever outer wall, the round pin is stirred in perpendicular installation of bull stick outside free end, the drive part still including install in the motor of base right side wall, just the motor output with the actuating lever is connected.
In the above technical scheme, the rotating part including from left to right install in proper order in the second limiting plate on lead screw outer wall right side and rotating the piece, second limiting plate outer wall circumference equidistance is provided with a plurality of indent arc, just the radian of second limiting plate outer wall indent arc with first limiting plate outer wall radian looks adaptation, the rotating piece lateral wall is provided with a plurality of branch along circumference equidistance, just stir the rotatable embedded in adjacent two in the clearance of the branch that rotates the piece outer wall setting.
In the above technical scheme, a plurality of bars are installed along the horizontal direction on the inner wall of the base, and the movable seat is slidably sleeved on the outer wall of the bars.
In the above technical scheme, the locating component including install in remove the fixing base of seat upper surface, the fixing base has seted up logical groove from left to right, the mount pad is installed to fixing base outer wall front side, the cylinder is installed on the mount pad top, just the cylinder output runs through backward the outer wall of fixing base, the locating plate is installed perpendicularly to the cylinder output, just the lateral wall around the work piece respectively with locating plate outer wall rear side with the actuating lever inside wall laminating mutually.
In the technical scheme, the cross section of the fixing seat is U-shaped.
In the above technical scheme, enclose keep off is installed perpendicularly to puncher workstation upper surface, enclose keep off by end to end's perpendicular to the panel of puncher workstation upper surface constitutes, just enclose and keep off and enclose and locate intermittent type rotary mechanism and the outside of locating part.
Compared with the prior art, the feeding and positioning mechanism of the perforating machine has the beneficial effects that:
1. Aiming at the problems that when the outer wall of a workpiece is subjected to row punching processing, the workpiece is required to be repeatedly disassembled and fixed at a clamp and the operation is troublesome, the workpiece is positioned in the inner cavity of the fixed seat and is not required to be repeatedly disassembled and fixed, and the fixed seat and the positioned workpiece can be driven to integrally move through the lead screw, the movable seat and the fixed seat so as to realize the adjustment of the position of the workpiece relative to a punching machine, and the outer wall of the workpiece is subjected to row punching processing;
2. Aiming at the problems that in the related art, the distance between the translation space of each workpiece is difficult to accurately ensure and the perforation space of the outer wall of the workpiece is difficult to ensure to be equal, the utility model can drive the rotating piece to carry out circumferential intermittent rotation through the motor, the driving rod, the first limiting disc, the rotating rod, the poking pin and the second limiting disc, ensure that the rotating piece drives the screw rod to have the same angle each time, further ensure that the distance between each time of advancing of the moving seat of the outer wall of the screw rod is the same, drive the fixed seat at the top end of the moving seat and the workpiece to synchronously advance by the same distance, and realize the perforation processing of the outer wall of the workpiece with equal space;
in summary, the workpiece is positioned in the inner cavity of the fixed seat without repeated disassembly and fixation, the fixed seat and the positioned workpiece are driven to integrally move, so that the position of the workpiece can be adjusted, unnecessary steps of repeatedly positioning the workpiece are omitted, the same advancing distance of each workpiece can be ensured, and further accurate perforation processing with equal spacing is ensured on the outer wall of the workpiece.
Drawings
FIG. 1 is a schematic view of a work table of a perforating machine according to the present utility model;
FIG. 2 is a front cross-sectional view of the base of the present utility model;
FIG. 3 is a right side cross-sectional view of the holder of the present utility model;
In fig. 1-3, 1, a perforating machine workbench, 2, a base, 3, a driving rod, 4, a first limiting disc, 5, a rotating rod, 6, a toggle pin, 7, a motor, 8, a screw rod, 9, a second limiting disc, 10, a rotating piece, 11, a movable seat, 12, a light bar, 13, a fixed seat, 14, a mounting seat, 15, a cylinder, 16, a positioning plate, 17, a workpiece, 18 and a surrounding baffle.
Detailed Description
The utility model will be further described with reference to specific embodiments and figures 1-3, but the utility model is not limited to these embodiments.
When carrying out row perforation processing with the work piece outer wall to prior art existence, need with the work piece in the dismantlement and the fixed of anchor clamps department repetition, troublesome operation, and the distance of the work piece translation interval of being difficult to accurate assurance at every turn is equal, and then the problem that is difficult to guarantee work piece outer wall perforation interval is equal, see the fig. 1-3, present a puncher pay-off positioning mechanism is shown, including puncher workstation 1, realize the perforation processing of work piece at puncher workstation 1 top, base 2 is installed on puncher workstation 1 top, base 2 inner chamber is rotated through the bearing along the horizontal direction and is installed lead screw 8, lead screw 8 realizes intermittent type circumference through intermittent type rotary mechanism, lead screw 8 outer wall threaded connection has movable seat 11, can order about movable seat 11 to go on intermittent type marching through intermittent type pivoted lead screw 8, and the angle that the movable seat 11 is the same at every turn, can realize that movable seat 11 moves at every turn, the distance is the same at every turn, base 2 inner wall is installed two bars 12 along the horizontal direction, and movable seat 11 slidable cover is located the outer wall of smooth 12, when movable seat 11 moves, can carry out horizontal direction under the spacing effect of smooth 12, can carry out the movement on the horizontal direction, the top, the horizontal direction, the movable seat 17 is moved at every time, the equal distance of workpiece 17 is moved to the same, the synchronous positioning part is realized to the workpiece 17, every time, the equal distance is moved to the workpiece is moved to the equal distance 17, the workpiece is located to the workpiece is moved to the equal piece, the position piece 17, the equal distance 17 is moved to the position, the equal distance was can be realized to the workpiece was moved to the equal to the position 17.
The intermittent rotation mechanism is described below, and referring to fig. 2 and 3, the intermittent rotation mechanism includes a driving part and a rotation part, and the driving part provides driving force to drive the screw rod 8 to realize intermittent rotation with the same angle.
Referring to fig. 2-3, the driving component comprises a driving rod 3 rotatably connected to the right side of the inner wall of the base 2 through a bearing, a first limiting disc 4 and a rotating rod 5 which are sequentially installed on the outer wall of the driving rod 3 from left to right, a stirring pin 6 is vertically installed at the free end on the outer side of the rotating rod 5, the first limiting disc 4, the rotating rod 5 and the stirring pin 6 can be driven to rotate synchronously and circumferentially through rotation of the driving rod 3, the driving component further comprises a motor 7 installed on the right side wall of the base 2, the output end of the motor 7 is connected with the driving rod 3 through a coupler, and the driving rod 3 is driven to rotate by means of the opened motor 7 so as to drive the first limiting disc 4, the rotating rod 5 and the stirring pin 6 to rotate synchronously and circumferentially.
The rotating part comprises a second limiting disc 9 and rotating parts 10 which are sequentially arranged on the right side of the outer wall of the screw rod 8 from left to right, six concave arcs are circumferentially equidistant on the outer wall of the second limiting disc 9, the radian of the concave arc on the outer wall of the second limiting disc 9 is matched with the radian of the outer wall of the first limiting disc 4, six supporting rods are circumferentially equidistant on the side wall of the rotating part 10, and the toggle pins 6 are rotationally embedded in gaps of the supporting rods arranged on the outer walls of two adjacent rotating parts 10;
When the toggle pin 6 rotates, the toggle rotating piece 10 rotates synchronously and circumferentially, the screw rod 8 and the second limiting disc 9 rotate together and circumferentially, the moving seat 11 in threaded connection with the outer wall of the second limiting disc 9 drives the fixed seat 13 at the top end and the positioned workpiece 17 to move synchronously and leftwards for a fixed distance, and when the toggle pin 6 rotates to be separated from the outer wall of the rotating piece 10, the outer wall of the first limiting disc 4 is attached to the concave arc of the outer wall of the second limiting disc 9, so that the second limiting disc 9 and the screw rod 8 are guaranteed to be stable in position and not rotate any more.
Referring mainly to fig. 3, the positioning component includes a fixing seat 13 installed on the upper surface of the movable seat 11, a through groove is formed in the fixing seat 13 from left to right, the cross section of the fixing seat 13 is shaped like a U, enough space can be reserved for positioning workpieces 17 with different diameters in the inner cavity of the through groove of the fixing seat 13, a mounting seat 14 is installed on the front side of the outer wall of the fixing seat 13, an air cylinder 15 is installed on the top end of the mounting seat 14, the air cylinder 15 is a self-locking air cylinder, the output end of the air cylinder 15 can stay at any position and achieve self-locking, the output end of the air cylinder 15 backwards penetrates through the outer wall of the fixing seat 13, a positioning plate 16 is vertically installed at the output end of the air cylinder 15, the front side wall and the rear side wall of the workpiece 17 are respectively attached to the rear side of the outer wall of the positioning plate 16 and the inner side wall of the driving rod 3, the positioning plate 16 is driven to move backwards through opening of the air cylinder 15, the positioning plate 16 pushes the workpiece 17 backwards, and the workpiece 17 is driven to be stable under the common limiting action of the positioning plate 16 and the inner wall of the fixing seat 13.
In addition, enclose the fender 18 is installed perpendicularly to puncher workstation 1 upper surface, encloses fender 18 and comprises the panel of end to end perpendicular to puncher workstation 1 upper surface, and encloses the outside of locating part and locating intermittent type rotary mechanism to enclose fender 18, can form the surrounding structure at puncher workstation 1 upper surface with the help of enclosing fender 18, provides relatively confined operational environment for the perforation, guarantees the operation safety.
The working principle of the feeding and positioning mechanism of the perforating machine is as follows:
The workpiece 17 is placed in the inner cavity of the fixed seat 13 in parallel, the positioning plate 16 is driven by the output end of the opened air cylinder 15 to push the front side wall of the workpiece 17 until the front side wall and the rear side wall of the workpiece 17 are positioned under the combined action of the positioning plate 16 and the inner side wall of the fixed seat 13, so that the clamping and positioning of the workpiece 17 in the inner cavity of the fixed seat 13 are realized;
If equidistant perforation processing is required for the outer wall of the workpiece 17, the driving rod 3, the first limiting disc 4, the rotating rod 5 and the poking pin 6 are driven to synchronously rotate circumferentially by virtue of the opened motor 7, when the poking pin 6 rotates, the poking rotating piece 10 synchronously rotates circumferentially, the lead screw 8 and the second limiting disc 9 rotate circumferentially together at the moment, the moving seat 11 in threaded connection with the outer wall of the second limiting disc 9 drives the fixed seat 13 at the top end and the positioned workpiece 17 to synchronously move leftwards for a fixed distance, when the poking pin 6 rotates to be separated from the outer wall of the rotating piece 10, the outer wall of the first limiting disc 4 is attached to an inner concave arc of the outer wall of the second limiting disc 9, so that the position of the second limiting disc 9 and the lead screw 8 is ensured to be stable, and the positions of the moving seat 11, the fixed seat 13 and the workpiece 17 are ensured not to be moved any more, and perforation processing operation after the workpiece 17 moves for the fixed distance is realized by virtue of a perforating machine at the moment;
According to the utility model, after the workpiece 17 is positioned in the inner cavity of the fixed seat 13, repeated disassembly and fixation are not needed, the fixed seat 13 and the positioned workpiece 17 are driven to integrally move, so that the position of the workpiece 17 can be adjusted, unnecessary steps of repeatedly positioning the workpiece 17 are omitted, the same advancing distance of the workpiece 17 each time can be ensured, and further, the accurate perforation processing with equal spacing is ensured on the outer wall of the workpiece 17.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.