CN112122445A - Automatic punching device of metal sheet of adjustable pitch-row - Google Patents
Automatic punching device of metal sheet of adjustable pitch-row Download PDFInfo
- Publication number
- CN112122445A CN112122445A CN202010958139.2A CN202010958139A CN112122445A CN 112122445 A CN112122445 A CN 112122445A CN 202010958139 A CN202010958139 A CN 202010958139A CN 112122445 A CN112122445 A CN 112122445A
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- China
- Prior art keywords
- cavity
- punching
- bevel gear
- fixedly connected
- conveying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
- B21D43/09—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material
Abstract
The invention relates to the field of metal stamping equipment, and discloses an automatic metal plate punching device with adjustable hole pitch, which comprises a main box body, wherein a plate conveying cavity is arranged in the main box body in a left-right through mode, a punching block cavity is arranged on the upper side of the plate conveying cavity in a communicating mode, a punching nut cavity is arranged on the upper side of the punching block cavity, a punching lead screw cavity which extends downwards and penetrates through the punching nut cavity and has a downward opening is arranged on the upper side of the punching nut cavity, two pressing wheel cavities which are bilaterally symmetrical to each other through the punching block cavities are arranged on the upper side of the plate conveying cavity in a communicating mode, the distances among all punched holes are equal, a hole pitch adjusting knob enables the hole pitch of the device to be adjusted more simply and conveniently, so that the punching efficiency is greatly increased, the punching position is adjusted by adjusting the position of a baffle plate, the device can be suitable for punching operation with different requirements, the operation safety of the operating personnel is greatly improved.
Description
Technical Field
The invention relates to the field of metal stamping equipment, in particular to an automatic metal plate punching device with adjustable hole pitch.
Background
Punching is a punching process of separating waste materials from materials or process pieces along a closed contour, required holes are obtained in the materials or the process pieces, at present, the workpieces are mainly taken by workers for punching, punching operation is carried out on a punching machine, if misoperation happens, the workpieces are scrapped, safety accidents are easy to happen, operating personnel are injured, at present, some automatic punching devices are also provided, most of the automatic punching devices cannot adjust hole distances and hole positions, and the applicability of the automatic punching devices is not high.
Disclosure of Invention
The invention aims to provide an automatic metal plate punching device with adjustable hole pitch, which can overcome the defects in the prior art and improve the practicability of equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows: the automatic punching device for the metal plate with the adjustable hole pitch comprises a main box body, wherein a plate conveying cavity is arranged in the main box body in a left-right through mode, a punching block cavity is arranged on the upper side of the plate conveying cavity in a communicating mode, a punching nut cavity is arranged on the upper side of the punching block cavity, a punching screw rod cavity which extends downwards and penetrates through the punching nut cavity and is provided with a downward opening is arranged on the upper side of the punching nut cavity, two pressing wheel cavities which are bilaterally symmetrical with the punching block cavity are arranged on the upper side of the plate conveying cavity in a communicating mode, two conveying wheel cavities which are bilaterally symmetrical with the punching block cavity as the center and correspond to the pressing wheel cavities are arranged on the lower side of the plate conveying cavity, a punching screw rod extending downwards into the punching block cavity is connected in a sliding fit mode in the punching screw rod cavity, and a punching nut which is connected with the punching nut cavity in a, the punching screw is characterized in that a punching block connected with the punching block cavity in a sliding fit manner is fixedly connected to the lower end face of the punching screw, a punching cutter cavity with a downward opening is arranged in the punching block, a hydraulic rod cavity is communicated with the upper side of the punching cutter cavity, a hydraulic pump fixedly connected with the punching block is arranged on the upper side of the hydraulic rod cavity, the lower end face of the hydraulic pump is fixedly connected with a hydraulic rod which extends downwards into the punching cutter cavity and is connected with the hydraulic rod cavity in a sliding fit manner, a punching cutter connected with the punching cutter cavity in a sliding fit manner is fixedly connected to the lower end face of the hydraulic rod, a punching sensing block is fixedly connected to the lower end face of the punching block, a punching support plate is fixedly connected to the lower end face of the sheet material conveying cavity, a punching gear cavity is communicated with the rear side of the punching nut cavity, a punching belt wheel cavity is arranged on the, half gear chamber rear side is equipped with and is located the motor bevel gear chamber of chamber downside is carried to the sheet material, motor bevel gear chamber rear side is equipped with and is located the turning bevel gear chamber of chamber downside is carried to the sheet material.
On the basis of the technical scheme, the upper end wall of the punching gear cavity is connected with a punching belt wheel shaft which extends upwards to the punching belt wheel cavity and extends downwards to the punching gear cavity in a matched manner, the lower end of the punching belt wheel shaft is fixedly connected with a punching gear meshed with the punching nut, the upper end of the punching belt wheel shaft is fixedly connected with a punching driven belt wheel, the lower end wall of the punching belt wheel cavity is connected with a punching transmission shaft which extends downwards to the direction-changing bevel gear cavity and extends upwards to the punching belt wheel cavity in a matched manner, the upper end of the punching transmission shaft is fixedly connected with a punching driving belt wheel, a punching transmission belt is connected between the punching driving belt wheel and the punching driven belt wheel in a matched manner, a conical friction wheel cavity is arranged on the front side of the half gear cavity, the rear end wall of the conical friction wheel cavity is connected with, The motor bevel gear cavity to the toper friction wheel axle in the diversion bevel gear intracavity, toper friction wheel axle front side end fixedly connected with toper friction wheel, the epaxial fixedly connected with of toper friction wheel is located the transmission bevel gear of motor bevel gear intracavity, toper friction wheel axle rear side end fixedly connected with transmission helical gear, be equipped with the ascending baffle slider cavity of opening in the backup pad that punches a hole, the interior normal running fit of wall of front end in the chamber is carried to the sheet material is connected with and extends backward run through baffle slider cavity extremely the inside hole site regulation pole that extends to the external world of wall of baffle slider cavity rear end, screw-thread fit is connected with on the hole site regulation pole with the baffle sliding block that baffle slider cavity sliding fit is connected.
On the basis of the technical scheme, a metal plate baffle is fixedly connected onto a baffle sliding block, a hole site adjusting knob is fixedly connected to the tail end of the front side of the hole site adjusting rod, a motor fixedly connected with the main box body is arranged on the left side of a motor bevel gear cavity, a motor shaft extending rightwards into the motor bevel gear cavity is fixedly connected to the right end of the motor shaft, a motor bevel gear meshed with the transmission bevel gear is fixedly connected to the tail end of the right side of the motor shaft, a speed change friction wheel cavity is communicated with the right side of the bevel friction wheel cavity, a speed change bevel gear cavity is arranged on the front side of the speed change friction wheel cavity, a reversing bevel gear cavity is communicated with the right front side of the speed change bevel gear cavity, a sliding bevel gear cavity is arranged on the right side of the reversing bevel gear cavity, the sliding bevel gear cavity is arranged on the left side of the right side of the conveying wheel cavity, a wheel, the conveying device comprises a conveying wheel cavity, a conveying wheel shaft, a conveying wheel auxiliary shaft, a conveying wheel shaft, a conveying belt bevel gear cavity, a conveying belt transmission belt and a conveying transmission belt, wherein the conveying wheel shaft extends forwards into the conveying wheel cavity and backwards extends into the conveying wheel cavity on the right side in a matched manner, the conveying wheel auxiliary shaft extends backwards into the conveying wheel cavity on the left side in a matched manner, the conveying wheel shaft and the conveying wheel auxiliary shaft are fixedly connected at the tail ends of the rear sides of the conveying wheel shaft and the conveying belt wheel shaft, the conveying driven belt wheel is fixedly connected at the tail end of the front side of the conveying wheel shaft, the conveying belt wheel shaft extends forwards into the conveying belt wheel cavity and backwards extends into the conveying bevel gear cavity in a matched manner, a conveying driving belt is fixedly connected at the tail end.
On the basis of the technical scheme, a knob cavity with a forward opening is arranged in the front end face of the main box body, a pitch adjusting knob is connected in the knob cavity in a threaded fit manner, a knob spring is fixedly connected between the rear end face of the pitch adjusting knob and the rear end wall of the knob cavity, a knob pull rope is fixedly connected to the rear end face of the pitch adjusting knob, a half gear positioned in the half gear cavity is fixedly connected to the motor bevel gear cavity, the front side of the pressing wheel cavity is communicated with the front side of the pressing wheel cavity, a pressing slider cavity is communicated with the front side of the pressing slider, a pressing slider is connected in the pressing slider cavity in a sliding fit manner, a pressing spring is fixedly connected between the upper end face of the pressing slider and the upper end wall of the pressing slider cavity, a pressing wheel shaft extending backwards into the pressing wheel cavity is connected in a rotating fit manner, and a pressing, the pressing wheel shaft is connected with the pressing wheel shaft in a sliding fit mode, a rack sliding cavity is communicated with the lower side of the half gear cavity, a rack which can be meshed with the half gear is connected in the rack sliding cavity in a sliding fit mode, a rack spring is fixedly connected between the left end face of the rack and the left end wall of the rack sliding cavity, and a rack pull rope is fixedly connected to the right end of the rack.
On the basis of the technical scheme, the punching transmission shaft is in spline fit connection with a direction-changing sliding shaft sleeve positioned in a direction-changing bevel gear cavity, the tail ends of the lower sides of the direction-changing sliding shaft sleeve are fixedly connected with direction-changing bevel gears which are vertically symmetrical by taking the tapered friction wheel shaft as a center and can be meshed with the transmission bevel gear, a sliding shaft sleeve spring is fixedly connected between the lower end surface of the direction-changing sliding shaft sleeve and the lower end wall of the direction-changing bevel gear cavity, the lower end surface of the direction-changing sliding shaft sleeve is fixedly connected with a punching spring, the front end wall of the speed-changing friction wheel cavity is in spline fit connection with a speed-changing friction wheel shaft which extends through the speed-changing friction wheel cavity to the rear end wall of the speed-changing friction wheel cavity towards the right rear side and extends into the speed-changing bevel gear cavity towards the left front, a speed change spring is fixedly connected between the rear end face of the speed change friction wheel and the rear end wall of the speed change friction wheel cavity, the other end of the knob pull rope is fixedly connected with the rear end face of the speed change friction wheel, the tail end of the front side of the speed change friction wheel shaft is fixedly connected with a speed change bevel gear, the right end wall of the reversing bevel gear cavity is rotationally and fittingly connected with a speed change bevel gear shaft which extends rightwards into the sliding bevel gear cavity and extends leftwards into the reversing bevel gear cavity, the tail end of the left side of the speed change bevel gear shaft is fixedly connected with a reversing bevel gear meshed with the speed change bevel gear, the tail end of the right side of the speed change bevel gear shaft is fixedly connected with a reversing bevel gear, a sliding bevel gear which is positioned in the sliding bevel gear cavity and can be meshed with the reversing bevel, the other end of the rack pull rope is fixedly connected with the front end face of the sliding bevel gear, and the other end of the punching spring is fixedly connected with the front end face of the sliding bevel gear.
The invention has the beneficial effects that: intermittent motion between the metal sheet for the distance between each punching a hole equals, and pitch adjustment knob makes the device adjust pitch-row more simple and convenient, thereby greatly increased punching efficiency, adjusted the position of punching a hole through the adjusting stop position, made the device can be applicable to the operation of punching a hole of different requirements, greatly increased the device suitability, the automatic manual work that replaces that punches a hole of device simultaneously, greatly improved operation personnel's operational safety nature.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of an automatic punching device for metal plates with adjustable hole pitches of the invention.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
Fig. 3 is a schematic view of the structure of C-C in fig. 1.
FIG. 4 is a schematic diagram of B-B in FIG. 1.
Fig. 5 is an enlarged schematic view of E in fig. 2.
FIG. 6 is a schematic diagram of D-D structure in FIG. 5
Fig. 7 is an enlarged schematic view of F in fig. 2.
Fig. 8 is an enlarged schematic view of G in fig. 3.
Detailed Description
The invention will now be described in detail with reference to fig. 1-8, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Combine accompanying drawing 1-8 automatic punching device of metal sheet of adjustable pitch-row, including main box 10, link up about in the main box 10 and be equipped with the sheet material and carry chamber 30, the sheet material is carried chamber 30 upside intercommunication and is equipped with punching block chamber 15, punching block chamber 15 upside is equipped with punching nut chamber 11, 11 upsides in punching nut chamber are equipped with downwardly extending and run through punching nut chamber 11 to the decurrent punching screw chamber 13 of opening, 30 upside intercommunications in chamber are carried to the sheet material be equipped with two with punching block chamber 15 bilateral symmetry's pressure roller chamber 31, 30 downside in chamber is carried to the sheet material be equipped with two and do punching block chamber 15 be central bilateral symmetry and with the delivery roller chamber 29 that pressure roller chamber 31 corresponds, punching screw chamber 13 sliding fit is connected with downwardly extending to punching screw 14 in punching block chamber 15, screw fit is connected with on punching screw 14 with the punching nut that punching nut chamber 11 normal running fit is connected 12, end face fixedly connected with under the lead screw 14 punches a hole the piece 17 of punching a hole that 15 sliding fit connected in piece chamber 15, be equipped with the decurrent sword chamber 32 that punches a hole in the piece 17 of punching a hole, the intercommunication of sword chamber 32 upside that punches a hole is equipped with hydraulic stem chamber 18, hydraulic stem chamber 18 upside be equipped with the hydraulic pump 16 of piece 17 fixed connection punches a hole, end face fixedly connected with down extends to in the sword chamber 32 that punches a hole and with the hydraulic stem chamber 18 sliding fit connected hydraulic stem 19 under the hydraulic pump 16, end face fixedly connected with under the hydraulic stem 19 with the sword 33 that punches a hole that the sword chamber 32 sliding fit connected, end face fixedly connected with induction block 20 punches a hole under the piece 17 of punching a hole, end face fixedly connected with backup pad 24 punches a hole under the sheet material conveying chamber 30, the intercommunication of nut chamber 11 rear side that punches a hole is equipped with the gear chamber 40 that punches a hole, the gear chamber 40 upside that punches a, the downside in chamber 30 is carried to the sheet material is equipped with half gear chamber 60, half gear chamber 60 rear side is equipped with and is located the motor bevel gear chamber 45 of chamber 30 downside is carried to the sheet material, motor bevel gear chamber 45 rear side is equipped with and is located the direction bevel gear chamber 52 of chamber 30 downside is carried to the sheet material.
In addition, in one embodiment, a punching pulley shaft 36 extending upwards into the punching pulley cavity 35 and downwards into the punching gear cavity 40 is rotationally and cooperatively connected to the upper end wall of the punching gear cavity 40, a punching gear 34 engaged with the punching nut 12 is fixedly connected to the lower end of the punching pulley shaft 36, a punching driven pulley 37 is fixedly connected to the upper end of the punching pulley shaft 36, a punching transmission shaft 41 extending downwards into the direction-changing bevel gear cavity 52 and upwards into the punching pulley cavity 35 is rotationally and cooperatively connected to the lower end wall of the punching pulley cavity 35, a punching driving pulley 39 is fixedly connected to the upper end of the punching transmission shaft 41, a punching transmission belt 38 is rotationally and cooperatively connected between the punching driving pulley 39 and the punching driven pulley 37, a conical friction pulley cavity 50 is arranged on the front side of the half gear cavity 60, a conical friction wheel shaft 49 which extends backwards and penetrates through the half gear cavity 60, the motor bevel gear cavity 45 to the direction-changing bevel gear cavity 52 is connected in a rotationally matched manner in the rear end wall of the conical friction wheel cavity 50, the end of the front side of the conical friction wheel shaft 49 is fixedly connected with a conical friction wheel 48, the conical friction wheel shaft 49 is fixedly connected with a transmission bevel gear 47 positioned in the motor bevel gear cavity 45, the rear end of the conical friction wheel shaft 49 is fixedly connected with a transmission bevel gear 56, a baffle sliding block cavity 44 with an upward opening is arranged in the punching supporting plate 24, the front end wall of the panel conveying cavity 30 is connected with a hole site adjusting rod 26 which extends backwards, penetrates through the baffle sliding block cavity 44, extends forwards and extends to the outside in the rear end wall of the baffle sliding block cavity 44 in a rotating fit manner, the hole position adjusting rod 26 is connected with a baffle sliding block 43 in a threaded fit manner, and the baffle sliding block cavity 44 is connected with the baffle sliding block 43 in a sliding fit manner.
In addition, in one embodiment, a metal plate baffle 42 is fixedly connected to the baffle sliding block 43, a hole position adjusting knob 51 is fixedly connected to the front end of the hole position adjusting rod 26, a motor 71 is fixedly connected to the left side of the motor bevel gear cavity 45, a motor shaft 72 extending rightward into the motor bevel gear cavity 45 is fixedly connected to the right end face of the motor 71, a motor bevel gear 46 engaged with the transmission bevel gear 47 is fixedly connected to the right end of the motor shaft 72, a variable speed friction wheel cavity 86 is communicated with the right side of the bevel friction wheel cavity 50, a variable speed bevel gear cavity 85 is arranged on the front side of the variable speed friction wheel cavity 86, a reverse bevel gear cavity 83 is communicated with the right front side of the variable speed bevel gear cavity 85, a sliding bevel gear cavity 57 is arranged on the right side of the reverse bevel gear cavity 83, and the sliding bevel gear cavity 57 is arranged on the left side of the conveyor wheel cavity 29, a conveying belt wheel cavity 63 located at the front side of the right conveying wheel cavity 29 is arranged at the lower front side of the sliding bevel gear cavity 57, a conveying wheel shaft 23 which extends forwards into the conveying belt wheel cavity 63 and backwards into the right conveying wheel cavity 29 is connected in a rotationally matched manner in the front end surface of the right conveying wheel cavity 29, a conveying wheel auxiliary shaft 27 which extends backwards into the left conveying wheel cavity 29 is connected in a rotationally matched manner in the front end wall of the left conveying wheel cavity 29, conveying wheels 28 are fixedly connected at the rear ends of the conveying wheel shaft 23 and the conveying wheel auxiliary shaft 27, a conveying driven belt wheel 61 is fixedly connected at the front end of the conveying wheel shaft 23, a conveying belt wheel shaft 64 which extends forwards into the conveying belt wheel cavity 63 and backwards into the sliding bevel gear cavity 57 is connected in a rotationally matched manner in the front end wall of the sliding bevel gear cavity 57, and a conveying driving belt wheel 65 is fixedly connected at the front end of the conveying belt wheel shaft 64, a conveying transmission belt 62 is connected between the conveying driving pulley 65 and the conveying driven pulley 61 in a power fit manner.
In addition, in one embodiment, a knob cavity 68 with a forward opening is arranged in the front end face of the main box body 10, a pitch adjusting knob 66 is connected to the knob cavity 68 in a threaded fit manner, a knob spring 67 is fixedly connected between the rear end face of the pitch adjusting knob 66 and the rear end wall of the knob cavity 68, a knob pull rope 69 is fixedly connected to the rear end face of the pitch adjusting knob 66, a half gear 70 located in the half gear cavity 60 is fixedly connected to the motor bevel gear cavity 45, a pressing block cavity 91 is communicated with the front side of the pressing wheel cavity 31, a pressing block cavity 75 is communicated with the front side of the 91, a pressing slider 73 is connected in the pressing block cavity 75 in a sliding fit manner, a pressing spring 74 is fixedly connected between the upper end face of the pressing slider 73 and the upper end wall of the pressing slider cavity 75, a pressing wheel shaft 22 extending through the pressing block 91 into the pressing wheel cavity 31 is connected in a rotationally fit, the rear end of the pressing wheel shaft 22 is fixedly connected with a pressing wheel 21, the pressing wheel shaft 22 is connected with the pressing wheel 91 in a sliding fit mode, a rack sliding cavity 78 is communicated with the lower side of the half gear cavity 60, a rack 77 capable of being meshed with the half gear 70 is connected in the rack sliding cavity 78 in a sliding fit mode, a rack spring 80 is fixedly connected between the left end face of the rack 77 and the left end wall of the rack sliding cavity 78, and a rack pull rope 81 is fixedly connected to the right end of the rack 77.
In addition, in one embodiment, the punching transmission shaft 41 is connected with a direction-changing sliding shaft sleeve 55 located in the direction-changing bevel gear cavity 52 in a spline fit manner, the tail ends of the upper side and the lower side of the direction-changing sliding shaft sleeve 55 are fixedly connected with direction-changing bevel gears 54 which are vertically symmetrical with the tapered friction wheel shaft 49 as a center and can be meshed with the transmission bevel gear 56, a sliding shaft sleeve spring 53 is fixedly connected between the lower end surface of the direction-changing sliding shaft sleeve 55 and the lower end wall of the direction-changing bevel gear cavity 52, the lower end surface of the direction-changing sliding shaft sleeve 55 is fixedly connected with a punching spring 76, the front end wall of the speed-changing friction wheel cavity 86 is connected with a speed-changing friction wheel shaft 87 which extends through the speed-changing friction wheel cavity 86 to the rear end wall of the speed-changing friction wheel cavity 86 to the left front side and extends into the speed-changing bevel gear cavity 85 in a spline fit manner, and the A speed-changing spring 88 is fixedly connected between the rear end face of the speed-changing friction wheel 89 and the rear end wall of the speed-changing friction wheel cavity 86, the other end of the knob pull rope 69 is fixedly connected with the rear end face of the speed-changing friction wheel 89, the tail end of the front side of the speed-changing friction wheel shaft 87 is fixedly connected with a speed-changing bevel gear 84, the right end wall of the reversing bevel gear cavity 83 is rotatably matched and connected with a speed-changing bevel gear shaft 79 which extends rightwards to the sliding bevel gear cavity 57 and leftwards to the reversing bevel gear cavity 83, the tail end of the left side of the speed-changing bevel gear shaft 79 is fixedly connected with a reversing bevel gear 82 meshed with the speed-changing bevel gear 84, the tail end of the right side of the speed-changing bevel gear shaft 79 is fixedly connected with a reversing bevel gear 90, and the conveying belt wheel shaft 64 is in spline fit, a bevel gear spring 59 is fixedly connected between the front end face of the sliding bevel gear 58 and the front end wall of the sliding bevel gear cavity 57, the other end of the rack pull rope 81 is fixedly connected with the front end face of the sliding bevel gear 58, and the other end of the punching spring 76 is fixedly connected with the front end face of the sliding bevel gear 58.
The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.
As shown in fig. 1-8, when the apparatus of the present invention is in an initial state, the upper end surface of the punching screw 14 is attached to the upper end wall of the punching screw cavity 13, so that the upper end surface of the punching block 17 is attached to the upper end wall of the punching block cavity 15, the upper end surface of the punching knife 33 is attached to the upper end wall of the punching knife cavity 32, the pressing slider 73 moves downward under the action of the elastic force of the pressing spring 74 to the lower end surface of the pressing slider 73 and the lower end wall of the pressing slider cavity 75, so that the pressing wheel shaft 22 moves downward to drive the lower side surface of the pressing wheel 21 to be located in the slab conveying cavity 30, the sliding bevel gear 58 moves upward under the action of the elastic force of the bevel gear spring 59 to be engaged with the reversing bevel gear 90, and since the pulling force of the rack spring 80 is smaller than the elastic force of the bevel gear spring 59, the sliding bevel gear 58 pulls the rack pulling rope 81, so that the rack 77 is, because the elastic force of the bevel gear spring 59 is greater than that of the sliding sleeve spring 53, the sliding bevel gear 58 moves upwards to pull the punching spring 76, so that the direction-changing sliding sleeve 55 moves downwards against the pulling force of the sliding sleeve spring 53 to drive the upper direction-changing bevel gear 54 to move downwards to be meshed with the transmission bevel gear 56, the speed-changing friction wheel 89 is in a balance position under the action of the elastic force of the speed-changing spring 88 and the elastic force of the knob pull rope 69, and the speed-changing friction wheel 89 is abutted to the front side position of the side surface of the conical friction wheel 48;
sequence of mechanical actions of the whole device:
when the operation is started, the metal plate to be punched enters the plate conveying cavity 30, the pressing slider 73 drives the pressing wheel 21 to move downwards under the action of the elastic force of the pressing spring 74, so that the pressing wheel 21 and the conveying wheel 28 press the metal plate up and down, at this time, the motor 71 is started to drive the motor shaft 72 to rotate, so that the motor bevel gear 46 rotates, so that the transmission bevel gear 47 rotates, so that the conical friction wheel shaft 49 rotates, so that the conical friction wheel 48 rotates, so that the variable-speed friction wheel 89 rotates, so that the variable-speed friction wheel shaft 87 rotates, so that the variable-speed bevel gear 84 rotates, so that the reversing bevel gear 82 rotates, so that the variable-speed bevel gear shaft 79 rotates, so that the reversing bevel gear 90 rotates, so that the sliding bevel gear cavity 57 rotates, so that the conveying belt wheel shaft 64 rotates, so that the conveying driving belt wheel 65 rotates, the conveying driven belt wheel 61 is driven to rotate by the conveying transmission belt 62, so that the conveying wheel shaft 23 rotates, and the right conveying wheel 28 is driven to rotate, so that the metal plate moves rightwards, the conical friction wheel shaft 49 rotates to drive the half gear 70 to rotate, when the half gear 70 is meshed with the rack 77, the half gear 70 rotates, the rack 77 is driven to move leftwards against the elastic force of the rack spring 80, so that the rack pull rope 81 is pulled, so that the sliding bevel gear 58 moves forwards, so that the sliding bevel gear 58 is disengaged from the reversing bevel gear 90, the sliding bevel gear 58 stops rotating, so that the conveying wheel shaft 23 stops rotating, so that the metal plate stops moving rightwards, at the moment, the punching spring 76 is loosened due to the forward movement of the sliding bevel gear 58, the direction-changing sliding shaft sleeve 55 moves upwards under the elastic force of the sliding shaft sleeve spring 53, so that the lower side direction-changing bevel gear 54, the conical friction wheel shaft 49 rotates to drive the punching transmission shaft 41 to rotate, so that the punching driving belt wheel 39 rotates, the punching driven belt wheel 37 is driven to rotate through the punching transmission belt 38, so that the punching belt wheel shaft 36 rotates, the punching gear 34 rotates, so that the punching nut 12 rotates, the punching nut 12 rotates to drive the punching screw 14 to move downwards due to the threaded fit of the punching nut 12 and the punching screw 14, so that the punching block 17 is driven to move downwards, when the punching induction block 20 touches the metal plate, the hydraulic pump 16 is started, the hydraulic rod 19 moves downwards, so that the punching cutter 33 is driven to move downwards to the metal plate, and one-time punching operation is finished;
when the half gear 70 continues to rotate to be disengaged from the rack 77, the rack 77 moves rightwards under the action of the elastic force of the rack spring 80, the rack pull rope 81 is loosened, so that the sliding bevel gear 58 moves upwards under the action of the elastic force of the bevel gear spring 59 to be engaged with the reversing bevel gear 90, so that the reversing bevel gear 90 rotates to drive the sliding bevel gear 58 to rotate, so as to drive the conveying wheel shaft 23 to rotate, so that the metal plate moves rightwards again, as the sliding bevel gear 58 moves upwards, the punching spring 76 is pulled, so that the upper side direction-changing bevel gear 54 moves downwards to be engaged with the transmission bevel gear 56, so that the conical friction wheel shaft 49 rotates to drive the direction-changing bevel gear 54 to rotate, so as to drive the punching transmission shaft 41 to rotate reversely, so as to drive the punching nut 12 to rotate reversely, so that the punching screw rod 14 moves upwards, so as to, the punching block 17 stops, the hydraulic rod 19 moves upwards to drive the punching knife 33 to move upwards to the punching knife cavity 32, when the half gear 70 continues to rotate to be meshed with the rack 77 again, the moving process is repeated, and therefore the purpose of continuous punching operation of the metal plate is achieved;
when the hole pitch needs to be increased, the hole pitch adjusting knob 66 is rotated in the forward direction, the hole pitch adjusting knob 66 is in threaded fit with the knob cavity 68, so that the hole pitch adjusting knob 66 moves forward, the knob pull rope 69 is pulled, the speed change friction wheel 89 moves towards the right rear side, the speed change friction wheel 89 is abutted to the large diameter part of the conical friction wheel 48, the rotating speed of the speed change friction wheel 89 is increased, the rotating speed of the conveying wheel shaft 23 is increased, the rightward movement speed of the metal plate is increased, the time interval between the engagement and the disengagement of the half gear 70 and the rack 77 is constant due to the constant rotating speed of the half gear 70, namely the time interval between the engagement and the disengagement of the sliding bevel gear 58 and the bevel gear 90 is constant, namely the time for the pause movement of the metal plate is constant, the rightward movement distance of the metal plate is increased, and the downward movement of the punching knife 33 is constant, therefore, the pitch of the holes is increased, when the pitch of the holes needs to be shortened, the pitch of the holes is shortened by reversely rotating the pitch adjusting knob 66, and the movement processes are opposite;
when the hole position adjusting knob 51 is rotated, the hole position adjusting rod 26 is driven to rotate, and due to the threaded fit between the hole position adjusting rod 26 and the baffle sliding block 43, the hole position adjusting rod 26 rotates, so that the baffle sliding block 43 moves forwards, the metal plate is driven to move forwards, and the effect of adjusting the hole position is achieved;
the invention has the beneficial effects that: intermittent motion between the metal sheet for the distance between each punching a hole equals, and pitch adjustment knob makes the device adjust pitch-row more simple and convenient, thereby greatly increased punching efficiency, adjusted the position of punching a hole through the adjusting stop position, made the device can be applicable to the operation of punching a hole of different requirements, greatly increased the device suitability, the automatic manual work that replaces that punches a hole of device simultaneously, greatly improved operation personnel's operational safety nature.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides an automatic punching device of metal sheet of adjustable pitch-row, includes the main tank body, its characterized in that: a plate conveying cavity is arranged in the main box body in a left-right through mode, a punching block cavity is arranged on the upper side of the plate conveying cavity in a communicated mode, a punching nut cavity is arranged on the upper side of the punching block cavity, a punching screw rod cavity which extends downwards and penetrates through the punching nut cavity and has a downward opening is arranged on the upper side of the punching nut cavity, two pressing wheel cavities which are bilaterally symmetrical about the punching block cavity are arranged on the upper side of the plate conveying cavity in a communicated mode, two conveying wheel cavities which are bilaterally symmetrical about the punching block cavity and correspond to the pressing wheel cavities are arranged on the lower side of the plate conveying cavity, a punching screw rod extending downwards into the punching block cavity is connected in a sliding fit mode in the punching screw rod cavity, a punching nut connected with the punching nut cavity in a rotating fit mode in a threaded fit mode is connected on the punching screw rod in a threaded fit mode, and a punching block connected with the punching block, a punching cutter cavity with a downward opening is arranged in the punching block, a hydraulic rod cavity is communicated with the upper side of the punching cutter cavity, a hydraulic pump fixedly connected with the punching block is arranged on the upper side of the hydraulic rod cavity, a hydraulic rod which extends downwards into the punching cutter cavity and is connected with the hydraulic rod cavity in a sliding fit manner is fixedly connected with the lower end face of the hydraulic pump, the lower end surface of the hydraulic rod is fixedly connected with a punching knife which is connected with the punching knife cavity in a sliding fit manner, the lower end face of the punching block is fixedly connected with a punching induction block, the lower end face of the plate material conveying cavity is fixedly connected with a punching supporting plate, the rear side of the punching nut cavity is communicated with a punching gear cavity, the upper side of the punching gear cavity is provided with a punching belt wheel cavity, a half gear cavity is arranged at the lower side of the plate material conveying cavity, a motor bevel gear cavity positioned at the lower side of the plate material conveying cavity is arranged at the rear side of the half gear cavity, and a turning bevel gear cavity positioned on the lower side of the plate conveying cavity is arranged on the rear side of the motor bevel gear cavity.
2. The automatic punching device for the metal plate with the adjustable hole pitch as claimed in claim 1, wherein: the upper end wall of the punching gear cavity is connected with a punching belt wheel shaft which extends upwards to the punching belt wheel cavity and extends downwards to the punching gear cavity, the lower end of the lower side of the punching belt wheel shaft is fixedly connected with a punching gear meshed with the punching nut, the upper end of the punching belt wheel shaft is fixedly connected with a punching driven belt wheel, the lower end wall of the punching belt wheel cavity is connected with a punching transmission shaft which extends downwards to the reversing bevel gear cavity and extends upwards to the punching belt wheel cavity, the upper end of the punching transmission shaft is fixedly connected with a punching driving belt wheel, a punching transmission belt is connected between the punching driving belt wheel and the punching driven belt wheel in a power fit manner, a conical friction wheel cavity is arranged on the front side of the half gear cavity, and the rear end wall of the conical friction wheel cavity is connected with a belt which extends backwards to penetrate through, The motor bevel gear cavity to the toper friction wheel axle in the diversion bevel gear intracavity, toper friction wheel axle front side end fixedly connected with toper friction wheel, the epaxial fixedly connected with of toper friction wheel is located the transmission bevel gear of motor bevel gear intracavity, toper friction wheel axle rear side end fixedly connected with transmission helical gear, be equipped with the ascending baffle slider cavity of opening in the backup pad that punches a hole, the interior normal running fit of wall of front end in the chamber is carried to the sheet material is connected with and extends backward run through baffle slider cavity extremely the inside hole site regulation pole that extends to the external world of wall of baffle slider cavity rear end, screw-thread fit is connected with on the hole site regulation pole with the baffle sliding block that baffle slider cavity sliding fit is connected.
3. The automatic punching device for the metal plate with the adjustable hole pitch as claimed in claim 2, wherein: a metal plate baffle is fixedly connected onto the baffle sliding block, a hole site adjusting knob is fixedly connected at the tail end of the front side of the hole site adjusting rod, a motor fixedly connected with the main box body is arranged at the left side of the motor bevel gear cavity, a motor shaft extending rightwards into the motor bevel gear cavity is fixedly connected at the right end of the motor shaft, a motor bevel gear meshed with the transmission bevel gear is fixedly connected at the right end of the motor shaft, a speed change friction wheel cavity is communicated with the right side of the bevel friction wheel cavity, a speed change bevel gear cavity is arranged at the front side of the speed change friction wheel cavity, a reversing bevel gear cavity is communicated with the right front side of the speed change bevel gear cavity, a sliding bevel gear cavity is arranged at the right side of the reversing bevel gear cavity, the sliding bevel gear cavity is arranged at the left side of the right side of the conveying wheel cavity, a conveying belt wheel cavity arranged at, the conveying device comprises a conveying wheel cavity, a conveying wheel shaft, a conveying wheel auxiliary shaft, a conveying wheel shaft, a conveying belt bevel gear cavity, a conveying belt transmission belt and a conveying transmission belt, wherein the conveying wheel shaft extends forwards into the conveying wheel cavity and backwards extends into the conveying wheel cavity on the right side in a matched manner, the conveying wheel auxiliary shaft extends backwards into the conveying wheel cavity on the left side in a matched manner, the conveying wheel shaft and the conveying wheel auxiliary shaft are fixedly connected at the tail ends of the rear sides of the conveying wheel shaft and the conveying belt wheel shaft, the conveying driven belt wheel is fixedly connected at the tail end of the front side of the conveying wheel shaft, the conveying belt wheel shaft extends forwards into the conveying belt wheel cavity and backwards extends into the conveying bevel gear cavity in a matched manner, a conveying driving belt is fixedly connected at the tail end.
4. The automatic punching device for the metal plate with the adjustable hole pitch as claimed in claim 1, wherein: a knob cavity with a forward opening is arranged in the front end face of the main box body, a pitch adjusting knob is connected in the knob cavity in a threaded fit manner, a knob spring is fixedly connected between the rear end face of the pitch adjusting knob and the rear end wall of the knob cavity, a knob pull rope is fixedly connected to the rear end face of the pitch adjusting knob, a half gear positioned in the half gear cavity is fixedly connected to the motor bevel gear cavity, the front side of the pressing wheel cavity is communicated with the pressing block cavity, a pressing slider is communicated with the front side of the pressing block cavity in a sliding fit manner, a pressing slider is connected in the pressing slider cavity in a sliding fit manner, a pressing spring is fixedly connected between the upper end face of the pressing slider and the upper end wall of the pressing slider cavity, a pressing wheel shaft extending backwards into the pressing wheel cavity is connected in a rotating fit manner, a pressing wheel is fixedly connected to the rear end of the pressing, the semi-gear cavity downside intercommunication is equipped with rack sliding cavity, rack sliding cavity sliding fit be connected with can with semi-gear engagement's rack, the rack left end face with fixedly connected with rack spring between the rack sliding cavity left end wall, the terminal fixedly connected with rack stay cord in rack right side.
5. The automatic punching device for the metal plate with the adjustable hole pitch as claimed in claim 2, wherein: the punching transmission shaft is connected with a direction-changing sliding shaft sleeve which is positioned in a direction-changing bevel gear cavity in a spline fit manner, the tail ends of the lower sides of the direction-changing sliding shaft sleeve are fixedly connected with direction-changing bevel gears which are vertically symmetrical by taking the tapered friction wheel shaft as a center and can be meshed with the transmission bevel gear, a sliding shaft sleeve spring is fixedly connected between the lower end surface of the direction-changing sliding shaft sleeve and the lower end wall of the direction-changing bevel gear cavity, the lower end surface of the direction-changing sliding shaft sleeve is fixedly connected with a punching spring, the front end wall of the speed-changing friction wheel cavity is connected with a speed-changing friction wheel shaft which extends to the right rear side to the rear end wall of the speed-changing friction wheel cavity in a rotating fit manner and extends to the speed-changing bevel gear cavity from the left front side to, a speed change spring is fixedly connected between the rear end face of the speed change friction wheel and the rear end wall of the speed change friction wheel cavity, the other end of the knob pull rope is fixedly connected with the rear end face of the speed change friction wheel, the tail end of the front side of the speed change friction wheel shaft is fixedly connected with a speed change bevel gear, the right end wall of the reversing bevel gear cavity is rotationally and fittingly connected with a speed change bevel gear shaft which extends rightwards into the sliding bevel gear cavity and extends leftwards into the reversing bevel gear cavity, the tail end of the left side of the speed change bevel gear shaft is fixedly connected with a reversing bevel gear meshed with the speed change bevel gear, the tail end of the right side of the speed change bevel gear shaft is fixedly connected with a reversing bevel gear, a sliding bevel gear which is positioned in the sliding bevel gear cavity and can be meshed with the reversing bevel, the other end of the rack pull rope is fixedly connected with the front end face of the sliding bevel gear, and the other end of the punching spring is fixedly connected with the front end face of the sliding bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010958139.2A CN112122445A (en) | 2020-09-14 | 2020-09-14 | Automatic punching device of metal sheet of adjustable pitch-row |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010958139.2A CN112122445A (en) | 2020-09-14 | 2020-09-14 | Automatic punching device of metal sheet of adjustable pitch-row |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112122445A true CN112122445A (en) | 2020-12-25 |
Family
ID=73845534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010958139.2A Withdrawn CN112122445A (en) | 2020-09-14 | 2020-09-14 | Automatic punching device of metal sheet of adjustable pitch-row |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112122445A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113399551A (en) * | 2021-06-22 | 2021-09-17 | 厦门汝冰沁贸易有限公司 | Multifunctional positioning die |
| CN113441957A (en) * | 2021-09-02 | 2021-09-28 | 徐州恒乾紧固件制造有限公司 | Manipulator is used in fastener production |
| CN113500156A (en) * | 2021-06-16 | 2021-10-15 | 安平县鑫海交通网业制造有限公司 | Silk screen cutting machine |
-
2020
- 2020-09-14 CN CN202010958139.2A patent/CN112122445A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500156A (en) * | 2021-06-16 | 2021-10-15 | 安平县鑫海交通网业制造有限公司 | Silk screen cutting machine |
| CN113500156B (en) * | 2021-06-16 | 2022-07-26 | 安平县鑫海交通网业制造有限公司 | Silk screen cutting machine |
| CN113399551A (en) * | 2021-06-22 | 2021-09-17 | 厦门汝冰沁贸易有限公司 | Multifunctional positioning die |
| CN113441957A (en) * | 2021-09-02 | 2021-09-28 | 徐州恒乾紧固件制造有限公司 | Manipulator is used in fastener production |
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Application publication date: 20201225 |
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