Perforating device of transmission shaft cap
Technical Field
The utility model belongs to the rubber spare field of punching relates to a perforating device of transmission shaft cap.
Background
The transmission shaft cap is a rubber workpiece for the transmission shaft, the punching of the transmission shaft cap is usually completed by using a manual punching machine, the punching precision is relatively low, and the labor and time costs are high. The press of prior art can provide the holding down force of demand as the machining work piece commonly used to can make the casting die reset, use the press to realize that the transmission shaft cap punches, can improve the precision of punching, reduce manpower and time cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that improves rubber work piece precision of punching such as transmission shaft cap, provide following technical scheme: a punching device for a transmission shaft cap comprises a press machine, wherein the press machine comprises a machine base, a punch, a base plate, a slide way, a slide block and a workpiece base; the punch is fixed on a pressure head of a press through a jackscrew, the punch is an integrally formed three-section cylindrical punch with gradually reduced diameter, the punch is arranged towards a base below the punch, two base plates which are longitudinally arranged are arranged on the base, and a slide way of a slide block is arranged between the two base plates at an interval; the workpiece seat is positioned at the upper part of the base plate and comprises a vertical block and a transverse block, the vertical block is fixed at one end of the transverse block, and the sliding block is fixedly arranged on the bottom surface of the transverse block of the workpiece seat, so that the workpiece seat can slide transversely on the sliding way along with the sliding block; the vertical block of the workpiece seat is transversely provided with a positioning piece, the positioning piece is provided with a positioning hole matched with the diameter of the bottommost cylinder of the three-section type cylindrical punch, and the upper surface of the transverse block of the workpiece seat is provided with a workpiece mounting groove.
Further, the setting element includes bolt, fastener screw post, location portion screw thread spare, and location portion screw thread spare is fixed at location portion rear end face, and location portion screw thread post is connected with the cooperation of fastener front end screw hole, and fastener screw thread post is fixed at the fastener rear end face, and fastener screw thread post passes through the transverse through hole of erecting the piece to be connected with the screw hole cooperation of bolt, the diameter of fastener rear end face is greater than the diameter of the through hole of erecting the piece, and the diameter of bolt is greater than the diameter of the through hole of erecting the piece.
Furthermore, the workpiece mounting groove of the transverse block comprises an elliptical groove and a circular ring part positioned in the middle of the elliptical groove.
Furthermore, the groove which is arranged on the base and corresponds to the interval between the two cushion plates is a base slideway, and the slideway which is formed by the sliding block and the interval between the two cushion plates and the base slideway can be in sliding fit.
Has the advantages that: the utility model discloses the drift passes through the jackscrew to be fixed at the pressure head, makes things convenient for the drift dismouting. The drift is integrated into one piece's syllogic cylinder drift that the diameter reduces gradually, can improve drift intensity, conveniently cooperates the locating hole use of setting element. Two cushion plates which are longitudinally arranged are arranged on the base, the interval between the two cushion plates is a slide way which is suitable for the slide block, and the slide way is formed by adding the cushion plates, so that the interval between the base and the punch is convenient to adjust. The work piece seat includes vertical piece and horizontal piece, the one end at horizontal piece is fixed to vertical piece, slider fixed mounting is in the horizontal piece bottom surface of work piece seat, make work piece seat can follow up the slider lateral sliding on the slide, can realize the lateral adjustment to the work piece position, especially when having a plurality of work piece mounting grooves, can adjust the drift and correspond work piece mounting groove position, the work piece mounting groove adapts to the transmission shaft cap of different shapes and specification, can punch and need not better work piece seat to multiple type of transmission shaft cap. The vertical piece of work piece seat is at horizontal installation setting element, the setting element on have with the locating hole of syllogic cylinder drift bottommost cylinder diameter adaptation, then through the locating hole of setting element, to the drift positioning of pushing down the position, can further improve the precision of punching.
Drawings
Fig. 1 is a schematic structural view of a punching device for a transmission shaft cap.
Fig. 2 is a schematic top view of the housing.
Fig. 3 is a schematic view of the slide and the slider.
Fig. 4 is an exploded schematic view of the positioning member.
FIG. 5 is a schematic view of a driveshaft cap.
Wherein: 1. the press comprises a press machine, 2, a machine base, 3, a pressure head, 4, a punch, 5, a backing plate, 6, a slideway, 7, a sliding block, 8, a workpiece seat, 9, an installation groove, 10, a bolt, 11, a fastener, 12, a fastener threaded column, 13, a positioning part and 14, wherein the press machine is provided with a press head, 4, a press head, 5, a backing plate, 6, a slide way, 7, a sliding block, 8, a workpiece seat, 9, an installation groove, 10, a bolt, 11, a fastener, 12, a fastener threaded column, 13 and a positioning part threaded column.
Detailed Description
A perforating device for a transmission shaft cap is shown in figure 5, and shown in figure 1, the perforating device comprises a press machine 1, the press machine 1 comprises a machine base 2, the press machine is provided with a press head, the press machine can be a press machine which can realize the functions of press-down perforating and resetting, and the perforating device further comprises a punch 4, a base plate 5, a slide way 6, a slide block 7 and a workpiece seat 8; the punch 4 is fixed on the pressure head 3 through a jackscrew, the punch 4 is an integrally formed three-section type cylindrical punch 4 with the diameter gradually reduced, the punch 4 is arranged towards the base 2 positioned below the punch 4, as shown in figures 2 and 3, two cushion plates 5 which are longitudinally arranged are arranged on the base 2, and the longitudinal interval between the two cushion plates 5 is a slide way 6 which is suitable for the width of a slide block 7; the workpiece seat 8 is positioned at the upper part of the base plate, the workpiece seat 8 comprises a vertical block and a transverse block, the vertical block is fixed at one end of the transverse block, and the sliding block 7 is fixedly arranged on the bottom surface of the transverse block of the workpiece seat 8, so that the workpiece seat 8 can slide transversely on the slideway 6 along with the sliding block 7; the vertical block of the workpiece seat 8 is transversely provided with a positioning piece, the positioning piece is provided with a positioning hole matched with the diameter of the bottommost cylinder of the three-section type cylindrical punch 4, and the upper surface of the transverse block of the workpiece seat 8 is provided with a workpiece mounting groove 9.
As a supplement to the technical solution, as shown in fig. 4, the positioning element includes a bolt 10, a fastening element 11, a fastening element threaded column 12, a positioning portion 13, and a positioning portion threaded column 14, the positioning portion threaded column 14 is fixed on a rear end surface of the positioning portion 13, the positioning portion threaded column 14 is in fit connection with a threaded hole at a front end of the fastening element 11, the fastening element threaded column 12 is fixed on a rear end surface of the fastening element 11, the fastening element threaded column 12 passes through a transverse through hole of the vertical block and is in fit connection with a threaded hole of the bolt 10, a diameter of a rear end surface of the fastening element 11 is larger than a diameter of the through hole of the vertical block, and a diameter of the bolt 10 is larger than a diameter of the through hole of the vertical block. Can make things convenient for the setting element dismouting, the convenience is changed the location portion of different locating holes.
As a supplement to the above, as shown in fig. 2, the work mounting groove 9 of the lateral block includes an elliptical groove and a circular ring portion located in the middle of the elliptical groove.
As a supplement to the above, as shown in fig. 2, the upper surface of the lateral block of the work piece holder 8 has two or more work piece mounting grooves 9 distributed laterally at different positions.
As a supplement to the technical scheme, the groove which is arranged on the base and corresponds to the interval between the two backing plates 5 is a base slideway, and the slideway which is formed by the sliding block and the interval between the two backing plates 5 is in slidable fit with the base slideway.
When the punching device of transmission shaft cap used, at first fixed drift 4 on pressure head 3 through the jackscrew, slide block 7, aim at the mounting groove 9 and the drift 3 of work piece with the locating hole of setting element, use the press to push down and make the pressure head move down, drift 4 pushes down and passes through the locating hole, and pressure acts on the transmission shaft cap, and the position of punching of transmission shaft cap corresponds the ring heart groove of 9 rings of mounting groove, runs through the transmission shaft cap, and the press pressure head resets. If the mounting groove 9 of the workpiece needs to be replaced for punching, the sliding block 7 slides to align the positioning hole of the positioning piece with the mounting groove 9 of a new workpiece and the punch head, and the operation is repeated. When the punch 4 and the positioning piece need to be replaced, the top thread and the bolt are detached.
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.