Accurate cutting machine of rubber
Technical Field
The invention belongs to the field of rubber-like practical equipment, and particularly relates to a rubber accurate cutting machine for cutting flat rubber.
Background
Rubber is a raw material for parts which are currently used in industry, and the application range is particularly wide, and there are many rubber parts which are cut from a rubber sheet, however, in the existing rubber cutting technology, the rubber is often cut by adopting a grinding wheel, and after observation, the end face of the cut of the rubber plate cut by adopting the grinding wheel is often crevasse, and is not a straight line cut, the wavy bend is often existed, because the rubber is the reason of softening after being heated, when the rubber is softened during the friction, the variable driven by the friction force is increased, if a cutting mode similar to water pressure impact plus abrasive is adopted, the cost of wine without calculating labor cost reaches 100-, the cost is relatively very high and is not available for general enterprises, so that an equipment capable of accurately cutting the rubber plate is urgently needed.
Disclosure of Invention
In order to solve the technical problems, the invention provides the accurate cutting machine which can accurately cut the rubber plate in a straight line and avoid repeated cutting.
In order to achieve the purpose, the invention adopts the technical scheme that the rubber precise cutting machine comprises a machine box body with an opening, and is structurally characterized in that a top strip opening for evenly dividing the machine box body and the opening is arranged on the top surface of the machine box body, a supporting plate is arranged on the inner side wall of the machine box body from bottom to top, a cutting strip opening which is positioned on the same longitudinal plane with the top strip opening is arranged on the supporting plate, strip-shaped grooves which are positioned on the lower surface of the supporting plate and extend in the same direction with the cutting strip opening in length are arranged on two sides of the cutting strip opening, a push rod motor is fixed on the bottom surface of each strip-shaped groove, a pressing plate positioned in each strip-shaped groove is connected with the output end of the push rod motor, a middle strip plate is arranged below the pressing plate in a pluggable manner, slide rails positioned on two sides of the top strip opening are arranged on the top surface of the machine box body, a cutting seat moving on the slide rails is, the tail end of the transverse extension pipe is communicated with a longitudinal extension pipe, a rotating motor is arranged in the cutting seat, an output shaft of the rotating motor is positioned in the transverse extension pipe, a brake gear is arranged at the tail end of the output shaft, a round hole is formed in the position, on the longitudinal extension pipe, on the same horizontal line with the cutting strip opening, a horizontal pipe is fixedly inserted in the round hole, a rotating shaft is arranged in the horizontal pipe, one end, positioned in the longitudinal extension pipe, of the rotating shaft is connected with a matching gear, the matching gear is connected with the brake gear through a transmission chain, a cylindrical polishing head is arranged at the end, opposite to the matching gear, of the rotating shaft, a conical polishing head is arranged on the end face of the cylindrical polishing head, an upper elastic plate and a lower elastic plate which extend horizontally in the same direction are symmetrically arranged above and below the round hole, square openings are formed in the same, the vertical slices are connected between the cylindrical polishing head and the longitudinal extension pipe and located on two sides of the cylindrical polishing head, and a vertical plane where the vertical slices are located is tangent to the circumferential surface of the cylindrical polishing head.
As a further improvement of the invention, the lower end surface of the middle slat is an arc-shaped protruding surface, two side surfaces of the middle slat are provided with side grooves extending downwards from the upper end surface, and a clamping plate is hinged in the side grooves.
As a further improvement of the invention, the lower end face of the tightening plate is an inclined face inclining outwards, the tightening plate is connected with a transition strip, the lower end face of the transition strip is connected with the lower end face of the tightening plate, the transition strip is connected with a pressing strip which is provided with a pressing face and has a cross section of an isosceles right triangle, the pressing face of the pressing strip is arranged in parallel with the lower surface of the tightening plate, when the lower end face of the tightening plate is matched with the bottom face of the side groove, the pressing face of the pressing strip and the highest longitudinal protruding point of the arc protruding face are positioned on the same horizontal plane, and a clamping plate inclining upwards is connected to the tightening plate close to the upper end face.
As a further improvement of the invention, a communicating hole which is arranged in an hourglass shape is arranged between two side grooves on the middle ribbon board, a tension return spring is fixed in the communicating hole, and two ends of the tension return spring are fixed with the tightening plates which are positioned in the side grooves.
As a further improvement of the invention, the lower surface of the pressure plate is provided with two parallel pressing parts extending downwards, the pressing parts are composed of the posts which are arranged in a straight line at equal intervals, and the lower ends of the posts are provided with spherical heads.
As a further improvement of the invention, the end face of the supporting plate at the side opening position is provided with scale marks for displaying the length.
As a further improvement of the invention, the peripheral surface of the horizontal tube is connected with a vertically arranged inclined baffle, and the included angle between the extension surface of the inclined baffle and the extension surface of the vertical slice is an acute angle.
Compared with the prior art, the invention has the beneficial effects that:
1. the rubber plate cutting machine is reasonable in design, and the rubber plates do not have longitudinal sequence when being cut in a mode of starting to cut in a single direction from the end faces of the rubber plates, so that the deformation caused by the two-way movement when the upper surface of the traditional rubber plate is gradually cut to the lower surface is avoided;
2. the structure is simple, the production cost and the use cost are relatively low, and the operation and the maintenance are convenient;
3. when the cutting, can be with firm the holding of adding of rubber slab, avoid taking place the deformation that the atress pine takes off and leads to, the labour saving in operation moreover.
Drawings
FIG. 1 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a side view of a portion of the longitudinally extending pipe of the present invention;
FIG. 4 is a partial front view schematic of the longitudinally extending pipe of the present invention;
FIG. 5 is a schematic top view of a portion of a longitudinally extending pipe of the present invention;
FIG. 6 is a schematic view of the structure of the middle slat of the present invention;
FIG. 7 is a schematic bottom view of the platen of the present invention;
wherein, 1-a machine box body, 2-a top strip port, 3-a supporting plate, 4-a scale mark, 5-a cutting strip port, 6-a strip groove, 7-a push rod motor, 8-a pressing plate, 9-a pressing part, 10-a post, 11-a spherical head, 12-a middle strip plate, 13-a sliding rail, 14-a cutting seat, 15-a transverse extension pipe, 16-a longitudinal extension pipe, 17-a rotating motor, 18-an output shaft, 19-a brake gear, 20-a horizontal pipe, 21-a horizontal shaft, 22-a matching gear, 23-a transmission chain, 24-a cylindrical polishing head, 25-a conical polishing head, 26-an upper elastic plate, 27-a lower elastic plate, 28-a square port, 29-a roller, 30-a vertical slice and 31-an inclined baffle, 32-arc-shaped protruding surface, 33-side groove, 34-clamping plate, 35-transition strip, 36-pressing surface, 37-pressing strip, 38-clamping plate, 39-communicating hole and 40-extension return spring.
Detailed Description
The invention is further illustrated with reference to the figures and the examples, without however limiting the scope of protection of the invention.
As shown in fig. 1 to 7, an accurate cutting machine for rubber comprises a machine box body 1 provided with an opening, a top strip port 2 which equally divides the machine box body 1 and the opening is arranged on the top surface of the machine box body 1, a supporting plate 3 which is arranged on the inner side wall of the machine box body 1 from bottom to top, a scale mark 4 which displays length is arranged on the end surface of the position of the opening on the supporting plate 3, a cutting strip port 5 which is positioned on the same longitudinal plane with the top strip port 2 is arranged on the supporting plate 3, strip-shaped grooves 6 which are positioned on the lower surface of the supporting plate 3 and extend in the same direction as the cutting strip port 5 in length are arranged on the two sides of the cutting strip port 5, a push rod motor 7 is fixed on the bottom surface of the strip-shaped grooves 6, the output end of the push rod motor 7 is connected with a pressing plate 8 which is positioned in the strip-shaped grooves 6, the lower surface of the pressing plate 8 is provided with, the lower end of the post rod 10 is provided with a spherical head 11, a middle lath 12 is arranged below the press plate 8 in a pluggable manner, the top surface of the case body 1 is provided with slide rails 13 positioned at two sides of the top strip opening 2, the slide rails 13 are matched with a cutting seat 14 moving on the slide rails 13, the end surface of the cutting seat 14 is connected with a transverse extension pipe 15, the tail end of the transverse extension pipe 15 is communicated with a longitudinal extension pipe 16, the cutting seat 14 is internally provided with a rotating motor 17, an output shaft 18 of the rotating motor 17 is positioned in the transverse extension pipe 15, the tail end of the output shaft 18 is provided with a brake gear 19, a round hole is arranged at the position on the same horizontal line with the cutting strip opening 5 on the longitudinal extension pipe 16, a horizontal pipe 20 is fixedly inserted in the round hole, a rotating shaft 21 is arranged in the horizontal pipe 20, one end of the rotating shaft 21 positioned in the longitudinal extension pipe 16 is connected with a matching gear 22, and the matching gear 22, a cylindrical polishing head 24 is arranged at one end, opposite to the matching gear 22, of the rotating shaft 21, a conical polishing head 25 is arranged on the end face of the cylindrical polishing head 24, an upper elastic plate 26 and a lower elastic plate 27 which extend horizontally in the same direction are symmetrically arranged above and below the circular hole, square openings 28 are formed in the same positions of the upper elastic plate 26 and the lower elastic plate 27, rollers 29 are connected into the square openings 28, vertical slices 30 which are located between the cylindrical polishing head 24 and the longitudinal extension pipe 16 and located on two sides of the cylindrical polishing head 24 are connected between the upper elastic plate 26 and the lower elastic plate 27, a vertical plane where the vertical slices 30 are located is tangent to the circumferential surface of the cylindrical polishing head 24, inclined baffles 31 which are vertically arranged are connected to the circumferential surface of the horizontal pipe 20, and the included angles between the extension surfaces of the inclined baffles 31 and the extension surfaces of the vertical slices 30 are acute angles.
The lower end surface of the middle slat 12 is an arc-shaped protruding surface 32, two side surfaces of the middle slat 12 are provided with side grooves 33 extending downwards from the upper end surface, and a clamping plate 34 is hinged in each side groove 33; the lower end face of the tightening plate 34 is an inclined face inclining outwards, the tightening plate 34 is connected with a transition strip 35, the lower end face of the transition strip 35 is connected with the lower end face of the tightening plate 34, the transition strip 35 is connected with a pressing strip 37 with a pressing face 36 and an isosceles right triangle cross section, the pressing face 36 of the pressing strip 37 is parallel to the lower surface of the tightening plate 34, when the lower end face of the tightening plate 34 is matched with the bottom face of the side groove 33, the pressing face 36 of the pressing strip 37 and the highest longitudinal protruding point of the arc-shaped protruding face 32 are located on the same horizontal plane, and a clamping plate 38 inclining upwards is connected to the tightening plate 34 close to the upper end face; a communicating hole 39 which is arranged in an hourglass shape is arranged between the two side grooves on the middle ribbon board 12, a tension return spring 40 is fixed in the communicating hole 39, and two ends of the tension return spring 40 are fixed with the tightening plates 34 which are positioned in the side grooves 33.
In the specific implementation of the invention, when a rubber plate is placed on the second pallet 3 above and the pallets 3 arranged downwards in sequence, then the side end of the rubber plate is aligned with the scale mark 4 according to the requirement, and the middle strip plate 12 is inserted into the strip-shaped groove 6 and positioned above the rubber plate, because the lower end surface of the middle strip plate 12 is the arc-shaped protruding surface 32, the contact between the middle strip plate 12 and the rubber plate is line contact instead of the traditional surface contact and acute angle line contact, so that the friction force can be reduced while the stress pressure is reduced, after the position of the rubber plate is selected, the pressing plate 8 is controlled by the push rod motor 7 to move downwards, then the pressing part 9 on the lower surface of the pressing plate 8 applies pressure to the clamping plate 38, at the moment, the clamping plate 34 is turned downwards, when the lower end surface of the clamping plate 34 is matched with the bottom surface of the side groove 33, the pressing surface 36 of the pressing strip 37 and the highest protruding point of the arc-shaped surface 32 in the longitudinal direction are positioned on the same, the pressing surface 36 of the pressing strip 37 compacts the rubber plate, of course, the pressing strip 37 can be set to be under the highest longitudinal protruding point of the arc-shaped protruding surface 32 when the lower end surface of the clamping plate 34 is matched with the bottom surface of the side groove 33, so as to increase the degree of compaction of the rubber plate, after the rubber plate is compacted, the cutting seat 14 is controlled to move along the slide rail 13 from the side opening to the opposite direction, at the moment, the longitudinal extension pipe 16 is driven to move, and the rotating motor 17 drives the rotating shaft 21 to rotate, so that the tapered grinding head 25 performs cutting and grinding on the end surface direction of the rubber plate, the cutting surface of the rubber plate forms arc-shaped concave surface cutting, meanwhile, the vertical slice 30 is driven to cut the arc-shaped concave surface into planes, and when cutting is performed, the cut redundant rubber strips are arranged between the inclined baffle plate 31 and the vertical slice 30, thus the random cutting of the rubber strips is avoided being cut off, meanwhile, when cutting is carried out, the rubber plate can be clamped by the rollers 29 on the upper elastic plate 26 and the lower elastic plate 27, and the advancing movement is convenient, because the rubber plate is cut by unidirectional motion in the invention, the problem of larger variable generated in multidirectional motion cutting is avoided, the mode of controlling the movement of the cutting seat 14 adopted in the invention adopts the way that the walking wheels matched with the sliding rails 13 are arranged on the lower surface of the cutting seat 14, an electric rotating shaft for controlling the rotation of the travelling wheels is arranged in the cutting seat, the electric rotating shaft is connected with a rotating motor in parallel and is controlled by a control switch, and a through opening having a length longer than the distance between the upper elastic plate 26 and the lower elastic plate 27 is provided on the side wall of the cabinet 1 opposite to the side opening, therefore, the problem that the upper elastic plate 26 and the lower elastic plate 27 are hard extruded with the case body 1 to cause damage under the driving of the rotating motor 17 in the cutting process can be avoided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.