Rotary cutting die capable of fully shearing
Technical Field
The utility model relates to the technical field of rotary cutting dies, in particular to a rotary cutting die capable of fully shearing.
Background
Along with the high-speed development of science and technology, the application of the hardware stamping part in various industries is increasingly wide, the quality and size requirements of products are also more and more strict, the traditional processing technology of some products cannot meet the requirements, wherein the hardware stretching products are particularly prominent, in the stretching process of the stretching piece, the top end of the pulled workpiece is irregular due to the reasons of material anisotropy, uneven thickness, inaccurate positioning or uneven gaps of the stretching die and the like, the trimming procedure is needed to supplement parts with flush and attractive end requirements, the simple trimming processing method (the trimming of a simple die or the trimming of the die on a lathe and a spinning machine) cannot meet the tolerance requirements, the working efficiency is low, the due effect can be achieved by using the rotary cutting die with higher processing precision, and the rotary cutting die capable of fully cutting the parts is provided for better trimming.
The utility model discloses a rotary cutting die as disclosed in the authority bulletin number CN113617923B, which comprises an upper die, a lower die, a rotary cutting assembly and a positioning assembly, wherein the lower die is used for bearing a product connected with a material belt, the lower die is arranged opposite to the upper die, the upper die can be close to or far away from the lower die along a first direction, the upper die is used for being matched with the lower die to clamp the material belt so as to realize the positioning of the product connected with the material belt in the first direction, the rotary cutting assembly is arranged on one side of the upper die facing the lower die, the rotary cutting assembly is used for rotationally cutting the material belt along a preset rotary cutting track so as to separate the product from the material belt, the positioning assembly is connected with the rotary cutting assembly, and the positioning assembly can move relative to the rotary cutting assembly along a second direction vertical to the first direction and can be matched with a positioning groove of the product so as to realize the positioning of the product in the second direction;
The positioning assembly can move along the second direction relative to the rotary cutting assembly, so that the positioning assembly can be always matched with a positioning groove of a product, the product is positioned in the second direction, and the running stability of the rotary cutting die is greatly improved;
However, the problem that the existing rotary cutting die is unfavorable for convenient elastic positioning and cutting of a workpiece and convenient movement and adjustment of a swinging clearance during use is not favorable for reciprocating movement ejection separation of the workpiece, and the convenience of workpiece separation and the speed and accuracy during rotary cutting are affected is solved.
Disclosure of utility model
The utility model aims to provide a rotary cutting die capable of fully shearing, which solves the problems that in the background technology, the rotary cutting die is inconvenient to elastically position and shear a workpiece conveniently and conveniently, and the swing clearance is convenient to move and adjust, so that the workpiece is not convenient to reciprocate, move, eject and separate, and the convenience of workpiece separation and the speed and accuracy of rotary cutting are affected.
The rotary cutting die comprises a male die and a base, wherein the base is arranged in the male die, three groups of support rods which are equidistant are arranged at the top end of the base, a middle plate is arranged above the base and fixedly connected with the support rods, a movable plate is arranged above the middle plate and is in sliding connection with the support rods, a servo motor is arranged at the bottom end of the middle plate and is fixedly connected with the middle plate, a movable shaft is arranged at the output end of the servo motor, a short arm is arranged at one end of the movable shaft, which is far away from the servo motor, a movable arm is arranged at one end of the short arm, which is far away from the movable shaft, a hinge shaft is arranged at one end of the long arm, which is close to the short arm, and is movably connected with the short arm through the hinge shaft, a joint shaft is arranged at the top end of the long arm, the long arm is movably connected with the movable plate through the joint shaft, an ejector rod is arranged at the top end of the movable plate, the ejector rod extends to the outside of the male die, and a sliding groove is arranged at the bottom end of one side of the short arm, and the long arm is connected with the sliding groove.
Preferably, a sliding block is arranged below the male die, and a lower die holder is arranged outside the sliding block.
Preferably, the supporting seat is installed on the top of die holder, the inside of supporting seat is provided with multiunit track, and track and supporting seat sliding connection to slider and track sliding connection.
Preferably, a female die is arranged above the male die, and a plurality of groups of cutter heads are arranged at the bottom end of the female die.
Preferably, an upper die holder is arranged at the top end of the female die, an upper spring is arranged in the upper die holder, and a steel ball is arranged at the bottom end of the upper spring.
Preferably, a lower spring is arranged in the lower die holder, and the lower spring is fixedly connected with the lower die holder.
Preferably, the top end of the lower spring is provided with a movable positioning core, and the movable positioning core is movably connected with the sliding block.
Preferably, the electric push rod is installed in the supporting seat at one side of the track, the push arm is installed at the output end of the electric push rod, and the push arm is connected with the track.
Compared with the prior art, the rotary cutting die has the beneficial effects that the rotary cutting die not only realizes convenient elastic positioning and cutting of the workpiece and convenient movement and adjustment of the swinging clearance, facilitates the reciprocating movement ejection separation of the workpiece, but also improves the convenience of workpiece separation and the speed and accuracy of rotary cutting.
Drawings
FIG. 1 is a schematic view of a three-dimensional exploded structure of the present utility model;
FIG. 2 is a schematic three-dimensional perspective view of a female die of the present utility model;
FIG. 3 is a schematic cross-sectional elevation view of a lower die holder of the present utility model;
FIG. 4 is a schematic three-dimensional perspective view of a middle plate according to the present utility model;
FIG. 5 is a schematic elevational view of an ejector rod of the present utility model;
Fig. 6 is a schematic diagram of a front cross-sectional structure of an upper die holder of the present utility model.
The drawing shows that the drawing comprises a lower die holder 1, a supporting seat 2, a rail 3, a sliding block 4, a male die 5, a female die 6, a female die 7, an upper die holder 8, a lower spring 9, a movable positioning core 10, an electric push rod 11, a push arm 12, a base 13, a support rod 14, a servo motor 15, a movable shaft 16, a short arm 17, a hinge shaft 18, a long arm 19, a linkage shaft 20, a movable plate 21, an ejector rod 22, a sliding groove 23, steel balls 24, an upper spring 25, a tool bit 26 and a middle plate.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-6, an embodiment of the utility model provides a rotary cutting die capable of fully cutting, which comprises a male die 5 and a base 12, wherein the base 12 is arranged in the male die 5, three groups of support rods 13 with equal intervals are arranged at the top end of the base 12, a middle plate 26 is arranged above the base 12 and fixedly connected with the support rods 13, a movable plate 20 is arranged above the middle plate 26 and is in sliding connection with the support rods 13, a servo motor 14 is arranged at the bottom end of the middle plate 26, the servo motor 14 plays a power driving role, the servo motor 14 is fixedly connected with the middle plate 26, a movable shaft 15 is arranged at the output end of the servo motor 14, a short arm 16 is arranged at one end of the movable shaft 15 far away from the servo motor 14, a long arm 18 is arranged at one end of the short arm 16 far away from the movable shaft 15, a hinge shaft 17 is arranged at one end of the long arm 18 near the short arm 16, the long arm 18 is movably connected with the short arm 16 through the hinge shaft 17, a joint shaft 19 is arranged at the top end of the long arm 18, the long arm 18 is movably connected with the movable plate 20 through the joint shaft 19, a movable rod 21 is arranged at the top end of the movable plate 20, an ejector rod 21 is arranged at the top end of the movable plate 20, the ejector rod 21 extends to the side of the short arm 22 and is connected with a sliding groove 22 at one side of the outer side of the male die 18, and the ejector rod 22 is arranged at the side of the sliding groove 22;
Firstly, a servo motor 14 and an electric push rod 10 in the equipment are connected with an external controller and an external circuit, then an upper die holder 7 and a lower die holder 1 are respectively arranged at corresponding positions of a punching machine, a workpiece is placed above a punch 5, the punching machine is operated to punch and shear the punch 5, the upper die holder 7 drives a die 6 to cut edges of the workpiece, wherein under the elastic support of an upper spring 24, the upper spring 24 drives a steel ball 23 to press the workpiece, the punch 5 drives a sliding block 4 to move downwards, the sliding block 4 drives a movable positioning core 9 to move downwards, under the elastic support of a lower spring 8, the sliding block 4 swings back and forth and left and right in a plurality of groups of tracks 3 to finish full-circumference rotary cutting of an aluminum shell mouth, the cut is complete, meanwhile, the steel ball and the spring finish positioning after the rotary cutting, the rotary cutting is finished, the die 6 is far away from the punch 5, the servo motor 14 is opened through the external control, a servo motor 14 is driven to rotate, a movable shaft 15 is driven by the servo motor 14, a movable shaft 15 is driven to rotate, a movable arm 16 is driven by the movable shaft 17 to rotate, a long arm 18 is driven by the movable arm 18 through a hinge shaft 17, the movable arm 18 slides in the sliding groove 22, the movable arm 18, the movable arm 20 is driven by the movable arm 19 to move a support rod 20 to move back and forth, and a reciprocating rod 20 is driven by the movable arm 19 to move back and forth, and a workpiece is ejected out of the movable rod 20, and the movable rod is conveniently and ejected from the movable rod 13, and the workpiece is conveniently and moved to realize the reciprocation and the reciprocation of the workpiece, and the workpiece is conveniently and ejected and separated from the movable rod by the movable rod 20;
A sliding block 4 is arranged below the male die 5, a lower die holder 1 is arranged outside the sliding block 4, a supporting seat 2 is arranged at the top end of the lower die holder 1, a plurality of groups of tracks 3 are arranged inside the supporting seat 2, the tracks 3 are in sliding connection with the supporting seat 2, and the sliding block 4 is in sliding connection with the tracks 3;
A female die 6 is arranged above the male die 5, and a plurality of groups of cutter heads 25 are arranged at the bottom end of the female die 6;
An upper die holder 7 is arranged at the top end of the female die 6, an upper spring 24 is arranged in the upper die holder 7, a steel ball 23 is arranged at the bottom end of the upper spring 24, a lower spring 8 is arranged in the lower die holder 1, and the lower spring 8 is fixedly connected with the lower die holder 1;
The top end of the lower spring 8 is provided with a movable positioning core 9, the movable positioning core 9 is movably connected with the sliding block 4, the inside of the supporting seat 2 at one side of the track 3 is provided with an electric push rod 10, the electric push rod 10 plays a role in power driving, the output end of the electric push rod 10 is provided with a push arm 11, and the push arm 11 is connected with the track 3;
The electric push rod 10 is opened through external control, the push arm 11 is driven to move by the electric push rod 10, the track 3 is driven to move by the push arm 11 under the sliding support of the supporting seat 2, the relative distance between the multiple groups of tracks 3 is adjusted, the gap between the multiple groups of tracks 3 is adjusted, the swing gap of the guide rail is reduced, the slide block 4 swings left and right and back and forth along with the tracks 3, the speed and the accuracy of rotary cutting are improved, the convenient movement adjustment swing gap of the rotary cutting die is realized, and the speed and the accuracy of rotary cutting are improved.
Working principle: firstly, a servo motor 14 and an electric push rod 10 in the equipment are connected with an external controller and an external circuit, then an upper die holder 7 and a lower die holder 1 are respectively arranged at corresponding positions of a punching machine, a workpiece is placed above a male die 5, the punching machine is operated to punch and shear the male die 5, the upper die holder 7 drives a female die 6 to cut edges of the workpiece, wherein under the elastic support of an upper spring 24, the upper spring 24 drives a steel ball 23 to press the workpiece, the male die 5 drives a sliding block 4 to move downwards, a movable positioning core 9 is driven by the sliding block 4 to move downwards, under the elastic support of a lower spring 8, the sliding block 4 swings back and forth and left and right in a plurality of groups of tracks 3 to finish full-circumference rotary cutting of an aluminum shell mouth, the steel ball and the spring finish positioning after cutting, the female die 6 is far away from the male die 5, the servo motor 14 is opened through external control, the movable shaft 15 is driven by the servo motor 14 to rotate, the movable shaft 15 drives the short arm 16 to rotate, the short arm 16 drives the long arm 18 to rotate through the hinge shaft 17, the long arm 18 slides in the sliding groove 22, the long arm 18 drives the movable plate 20 to reciprocate on the supporting rod 13 through the linkage shaft 19, the supporting rod 13 provides movable support for the movable plate 20, the movable plate 20 drives the ejection rod 21 to reciprocate, the ejection rod 21 ejects a workpiece to quickly separate the workpiece from the male die 5, the electric push rod 10 is opened through external control, the electric push rod 10 drives the push arm 11 to move, the tracks 3 are driven by the push arm 11 to move under the sliding support of the supporting seat 2, the relative distance between the multiple groups of tracks 3 is adjusted, the gap between the multiple groups of tracks 3 is adjusted, the guide rail swinging gap is reduced, and the sliding block 4 is enabled to follow the tracks 3 to move left and right, the rotary cutting die swings back and forth to improve the speed and accuracy in rotary cutting and complete the use work of the rotary cutting die capable of being fully sheared.
The present utility model is not limited in any way by the above-described preferred embodiments, but is not limited to the above-described preferred embodiments, and any person skilled in the art will appreciate that the present utility model can be embodied in the form of a program for carrying out the method of the present utility model, while the above disclosure is directed to equivalent embodiments capable of being modified or altered in some ways, it is apparent that any modifications, equivalent variations and alterations made to the above embodiments according to the technical principles of the present utility model fall within the scope of the present utility model.