CN2451274Y

CN2451274Y - Multipurpose thin plate shearing machine

Info

Publication number: CN2451274Y
Application number: CN 00261739
Authority: CN
Inventors: 刘文富; 何超骏
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-12-01
Filing date: 2000-12-01
Publication date: 2001-10-03
Anticipated expiration: 2010-12-01

Abstract

The utility model relates to a multipurpose thin plate shearing machine which comprises a base. One end of the base is provided with a mainshaft gearbox. The other end of the base is provided with a workbench. A cutter shaft bracket is integrally connected between the mainshaft gearbox and the workbench on the base. An upper and a lower mainshafts and transmission gears are arranged in the mainshaft gearbox. Moreover, the upper and the lower mainshafts rotate synchronously in opposite directions. The upper and the lower mainshafts are connected with a respective upper cutter shaft and a lower cutter shaft which are movably connected with the cutter shaft bracket through a respective upper universal coupling and a lower universal coupling. The working ends of the two cutter shafts are respectively connected with an upper and a lower circular cutters. A guideway is arranged on one side of the cutter shaft bracket. A sliding drawing plate is in slide connection in the guideway. One side of the sliding drawing plate is fixedly connected with a rack bar. The outer end of the sliding drawing plate is connected with a core clamper.

Description

The thin plate cutters of using more

The utility model relates to a kind of thin plate cutter.

In the industries such as oil, chemical industry, generating, the static seal pad is one of potted component main in these industries, and the quality of these potted components is very big to product quality, environmental protection, the energy, economic benefit, the safety in production influence of enterprise.In numerous gasket seals, metal cladding pad, compound reinforcement pad and non-metallic gasket (mainly contain asbestos, graphite etc.), the production of these three kinds of gasket seals, still be at home at present in manual manufacturing and the semimechanized technology, wherein have an operation to be: at first ((δ=1-5) method by hand is processed into the annular (according to pad specification decision size) of different-diameter for δ=0.2-0.5) and non-metallic fillers plate metallic plate, special also having has in the annulus at interval and ellipse, each manufacturer rules onboard with the artificial cutting of scissors, its product precision is low, labour intensity is big, and production efficiency is low.Therefore, the non-metal board of the metallic plate of δ=0.2-0.5 or δ=1-5 is processed into the circle or the annulus part of different-diameter, does not still have special equipment at present and finish apace.With regard to single or a small amount of specification, kind, and be to produce in enormous quantities to utilize mould on punch press, to finish, but about 600mm or when above, utilize the processing of mould punch press just very difficult for diameter.For under specification, situation various in style, can not utilize mould production, it is very high to do cost like that, so can not utilize this means to produce product.The present domestic this special equipment that still do not have, also not having mature technique data and technological document can reference.

The purpose of this utility model is at the problems referred to above, provides a kind of and replaces heavy manual operations with plant equipment, but the thin plate cutters of using of the metal of the various different sizes of cutting and non-metallic fillers annulus more.

Technical solution of the present utility model:

A kind of thin plate cutter of using more, it includes base, base one end is provided with shaft transmission, the other end is provided with workbench, it is characterized in that on the base between corresponding shaft transmission and the workbench integral body be connected with the cutter shaft support, be provided with in the shaft transmission, following two main shafts and change-speed gearing, and on being somebody's turn to do, following two main shafts are done the reciprocal rotation of locking phase, on, down the working end of two main shafts is stretched out shaft transmission and is connected with respectively on separately one group, lower cardan, the other end of two groups of universal joints be connected with respectively separately on, following cutter shaft, on, the following cutter shaft all cutter shaft seat by separately is movably connected on the cutter shaft support, on, down the working end of two cutter shafts stretch out the cutter shaft support be connected with respectively separately on, following round cutter, be connected with guide rail in cutter shaft support one side integral body, the slip planker is slidingly connected in this guide rail, slip planker one side is fixed with tooth bar, this tooth bar and rocking handle gears engaged, the outer end of slip planker is connected with top, the slide of this top lower end tip on the table surface, slide is slidingly connected in the chute of work top.

The utility model is a kind of comparatively desirable cutting equipment, and the pad plant-scale equipment that it is still not very good also is a practical equipment such as decoration, chemical pipeline heat insulating work, panel beating worker.The utility model investment is little, simple in structure, processing ease, and the shear precision height, speed is fast, and product size is accurate, need not rule, and has improved production efficiency greatly, has a world of difference with the hand cutting of high labour intensity, and result of use is very good.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation that the head action part amplifies among Fig. 1.

Fig. 3 is the vertical view that cuts open in A-A direction office of Fig. 2.

Fig. 4 is the sectional view of Fig. 2.

Fig. 5 is the schematic diagram of the utility model upper cutter.

Fig. 6 is the schematic diagram of the utility model lower cutter.

As Fig. 1-4, the utility model includes base 1, base 1 one ends are provided with shaft transmission 2, the other end is provided with workbench 3, characteristics of the present utility model are, on the base 1 between corresponding shaft transmission 2 and the workbench 3 integral body be connected with cutter shaft support 4, be provided with in the shaft transmission 2, following two main shafts 5,6 and change-speed gearing, and on being somebody's turn to do, following two main shafts 5,6 do the reciprocal rotation of locking phase, on, following two main shafts 5,6 working end is stretched out shaft transmission 2 and is connected with respectively on separately one group, lower cardan 7,8, two groups of universal joints 7,8 the other end be connected with respectively separately on, following cutter shaft 9,10, on, following cutter shaft 9,10 all the cutter shaft seat 11 by separately be movably connected on the cutter shaft support 4, on, following two cutter shafts 9,10 working end stretch out cutter shaft support 4 be connected with respectively separately on, following round cutter 12,13, make two main shafts 5,6 by universal joint group 7,8 can drive two cutter shafts 9,10 make the axis angle adjustment, guarantee two round cutters 12,13 rotations are tangent, be connected with guide rail 14 in cutter shaft support 4 one side integral body, slip planker 15 just is slidingly connected in this guide rail 14, slip planker 15 1 sides are fixed with tooth bar 16, this tooth bar 16 and 17 engagements of rocking handle gear, the outer end of slip planker 15 is connected with top 18, the slide 19 of this lower end tip of top 18 on workbench 3 table tops, slide 19 is slidingly connected in the chute 20 of work top.

Upper and lower round cutter the 12, the 13rd of the present utility model, particular design as calculated, the shape of upper cutter 12 such as Fig. 5, its cutting edge anterior angle (sagittal plane and sword line wedge angle) α is the 8-12 degree, is preferably 10 degree, its relief angle (paying sword face and center line angle) β is the 8-12 degree, is preferably 10 degree.And the shape of lower cutter 13 such as Fig. 6, its anterior angle α also is the 8-12 degree, is preferably 10 degree, its relief angle β is the 14-16 degree, is preferably 15 degree.Upper and lower cutting knife 12,13 is contained in respectively on the upper and lower cutter shaft 9,10, two main cutting edges are tangent, because two cutters have suitable forward and backward angle, guaranteed that two cutter shafts 9,10 are in good working order in the angle of regulation, satisfied the requirement of processing big or small part.

The utility model is by motor, shaft transmission 2, main shaft 5,6, cutting knife 12,13, workbench 3, slip planker 15 compositions such as grade, shaft transmission 2 be by motor through belt transmission, through gear graduation and the speed of mainshaft, shaft transmission 2 has three kinds of rotating speeds selective.Main shaft (cutter shaft) 5,6 has two, upper and lower arrangement, and diaxon will have higher depth of parallelism requirement at the X coordinate direction, and the Y coordinate direction can be adjusted angle, also can be parallel, the size of angle is determined according to cutting knife angle and external diameter, generally between the 6-15 degree.Cutting knife the 12, the 13rd, critical piece, it determines its angle, external diameter and thickness after through experiment with computing, the cutting knife made from senior cutter material has two, branch upper cutter 12 and lower cutter 13.The power of main shaft (cutter shaft) 5,6 is provided by shaft transmission 2, two cutter shafts do relative motion (i.e. a positive reverse turn), utilize this rotation, 12,13 pairs of workpieces of two cutting knifes produce phase shear force, and workpiece is moved to the cutting knife rotation direction, and planker and slip planker 15 location that are positioned, the center of work piece, so can only move in a circle, thus realized the purpose of the circle of contact.When diaxon is parallel, can make the work piece moving linearly, realize line cutting, do not need top location this moment.On the slip planker 15 vernier scale is housed, the size of work piece diameter can be determined by vernier scale.

Claims

1, a kind of thin plate cutter of using more, it includes base, base one end is provided with shaft transmission, the other end is provided with workbench, it is characterized in that on the base between corresponding shaft transmission and the workbench integral body be connected with the cutter shaft support, be provided with in the shaft transmission, following two main shafts and change-speed gearing, and on being somebody's turn to do, following two main shafts are done the reciprocal rotation of locking phase, on, down the working end of two main shafts is stretched out shaft transmission and is connected with respectively on separately one group, lower cardan, the other end of two groups of universal joints be connected with respectively separately on, following cutter shaft, on, the following cutter shaft all cutter shaft seat by separately is movably connected on the cutter shaft support, on, down the working end of two cutter shafts stretch out the cutter shaft support be connected with respectively separately on, following round cutter, be connected with guide rail in cutter shaft support one side integral body, the slip planker just is slidingly connected in this guide rail, slip planker one side is fixed with tooth bar, this tooth bar and rocking handle gears engaged, the outer end of slip planker is connected with top, the slide of this top lower end tip on the table surface, slide is slidingly connected in the chute of work top.

2, use the thin plate cutter by claim 1 is described more, it is characterized in that the cutting edge anterior angle of described upper cutter and lower cutter is the 8-12 degree, their relief angle is respectively 8-12 degree and 14-16 degree.

3, use the thin plate cutter by claim 2 is described more, it is characterized in that the cutting edge anterior angle of described upper cutter and lower cutter is 10 degree, their relief angle is respectively 10 degree and 15 degree.