CN111889748A

CN111889748A - Punching machine tool for circular ring workpieces

Info

Publication number: CN111889748A
Application number: CN202010814636.5A
Authority: CN
Inventors: 谢家兴
Original assignee: Guangzhou Yingchong Turbocharger Co ltd
Current assignee: Guangzhou Yingchong Turbocharger Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2020-11-06

Abstract

The invention discloses a punching machine tool for circular ring workpieces, wherein a front-back through clamp cavity is arranged in a machine tool main body, a working cavity is arranged in the right side wall of the clamp cavity, a partition cavity is communicated between the clamp cavity and the working cavity, a clamping mechanism is arranged in the clamp cavity and comprises a machine tool main push plate, the machine tool main push plate is L-shaped, and two support plates are fixedly connected to the lower end of the machine tool main push plate. The clamp is not loosened and then clamped again.

Description

Punching machine tool for circular ring workpieces

Technical Field

The invention relates to the field of punching machines, in particular to a punching machine tool for circular workpieces.

Background

The punching machine is a machining device for punching the surface to be machined of a clamping workpiece through a cutter, and a punching machine tool is a common machining device in the field of machining, but the existing punching machine has some problems in the process of machining holes, for example, the cutter is troublesome to replace when the holes with different hole diameters are machined; the cutter is damaged by collision between the cutter and the workpiece; the workpiece cannot be clamped, so that the machining precision of the hole is reduced; the invention discloses a punching machine for a circular ring type workpiece, which can solve the problems that the position of the workpiece needs to be adjusted again after the fixture is loosened after one-time machining.

Disclosure of Invention

In order to solve the problems, the punching machine tool for the circular ring workpieces is designed in the embodiment, the punching machine tool for the circular ring workpieces comprises a machine tool main body, a clamp cavity which is through from front to back is arranged in the machine tool main body, a working cavity is arranged in the right side wall of the clamp cavity, a partition cavity is arranged between the clamp cavity and the working cavity in a communicating mode, a clamping mechanism is arranged in the clamp cavity and comprises a machine tool main push plate, the machine tool main push plate is L-shaped, the lower end of the machine tool main push plate is fixedly connected with two support plates, the lower ends of the support plates are slidably connected with the clamp cavity, the partition cavity and the lower side wall of the working cavity, the machine tool main push plate is rotatably connected with a clamp main body, the upper end of the clamp main body is rotatably connected with an external threaded rod, and a large nut is in, the left end and the right end of the big nut are respectively articulated with a connecting rod, the lower end of the connecting rod is articulated with an arc-shaped sliding block, the lower end of the arc-shaped sliding block is connected with the upper end of the clamp body in a sliding way, the left side and the right side of the external thread rod are respectively provided with a rotating clamping head, the clamping head is close to the lower end of one side of the external thread rod and is articulated with a fixed hinge, the fixed hinge is articulated with the upper end of the clamp body, an internal thread cavity with a downward opening is arranged in the external thread rod, the internal thread cavity is internally connected with an internal thread rod, the lower end of the internal thread rod extends to the lower side of the clamp body and is fixedly connected with a central lifting block, the internal thread rod is connected with the clamp body in a sliding way, a middle through groove is, one end of each hollow rod close to the central lifting block is respectively and rotatably connected with the two inner side hinged cylinders, the left side and the right side of the central lifting block are respectively provided with one peripheral lifting block, an outer side through groove which is communicated from front to back is arranged in each peripheral lifting block, the outer side through groove is internally and rotatably provided with the hinged cylinders, one end of each hollow rod far from the central lifting block is respectively and rotatably connected with the hinged cylinders on the two sides, the lower end of the clamp body is fixedly connected with four small square plates which are positioned between the two supporting plates, a fixed hinged cylinder is rotatably connected between the front small square plate and the rear small square plate and is hinged with the hollow rods, the upper end of each peripheral lifting block is fixedly connected with a lifting rod, the upper end of the lifting rod extends to the upper side of the clamp body and is hinged with a small sliding block, and the lifting rod, one end of the clamping head, which is far away from the external thread rod, is fixedly connected with a groove-shaped opening block, a guide chute with an opening facing to the small sliding block is arranged in the groove-shaped opening block, the small sliding block is connected with the groove-shaped opening block in a sliding manner through the guide chute, a punching mechanism is arranged in the working cavity and comprises a reciprocating disc which is arranged in the working cavity in a vertically sliding manner, a semicircular lug is fixedly connected at the right lower end of the reciprocating disc, a rotary disc is arranged at the lower side of the reciprocating disc in a rotating manner, a connecting shaft is fixedly connected at the upper end of the rotary disc, the upper end of the connecting shaft is rotatably connected to the upper side wall of the working cavity, four punching cutters are vertically and slidably connected in the rotary disc and can be used for processing holes with different apertures, the four punching cutters are distributed in an annular array by taking the connecting shaft as a, the rightmost upper end of the punching tool supports against the semicircular lug, a reset spring is connected between the upper end of the reciprocating disc and the side wall of the working cavity, a cam is arranged at the upper end of the reciprocating disc in a propping mode, a four-groove grooved pulley is fixedly connected to the periphery of the connecting shaft, a small disc is rotatably arranged on the left side of the four-groove grooved pulley, a transverse bevel gear shaft is fixedly connected to the upper end of the small disc, an L-shaped cylinder is connected to the periphery of the transverse bevel gear shaft through a spline, a locking cavity with an upward opening is arranged in the small disc, the lower end of the L-shaped cylinder is clamped into the locking cavity, a transmission mechanism is connected between the upper end of the transverse bevel gear shaft and the cam and is used for driving the transverse bevel gear shaft and the cam to rotate respectively, a ring-shaped workpiece is sleeved on the outer threaded rod, the connecting rod pushes the arc-shaped sliding block to slide, the inner ring of the circular ring-shaped workpiece is clamped by the arc-shaped sliding block, the outer threaded rod rotates and drives the inner threaded rod to descend, the central lifting block is driven to descend, the hollow rod is driven to rotate around the fixed hinged cylinder, the peripheral lifting block is driven to ascend, the lifting rod is driven to ascend, the clamping head is driven to rotate around the fixed hinge by the small sliding block and the groove-shaped opening block, the clamping head is clamped on the upper end face of the circular ring-shaped workpiece, the machine tool main push plate is pushed rightwards into the working cavity, the cam is driven to rotate by the transmission mechanism at the moment, the reciprocating disc and the semicircular lug are pushed to move downwards, the punching cutter on the right side is pushed to move downwards for punching, the reciprocating disc, the semicircular lug and the punching cutter move upwards and downwards under the elastic force of the reset spring and, guarantee the quality of punching, when needing to be changed the cutter of punching, rotate through the horizontal bevel gear axle of drive mechanism drive, and then drive L type cylinder and small circular disk and rotate, and then drive four groove sheaves and rotate, and then drive the rotation disc through the connecting axle and rotate to four groove sheaves rotate once every turn, the pivoted angle is ninety degrees, makes four cutters of punching just can change in proper order.

Beneficially, be equipped with in the lathe owner push pedal and rotate the chamber, it is equipped with horizontal pinion to rotate the intracavity, it has set firmly the rotating electrical machines to rotate the chamber lower lateral wall, horizontal pinion lower extreme link firmly in on the output shaft of rotating electrical machines, horizontal gear wheel has been linked firmly on the anchor clamps main part outer axial plane, horizontal gear wheel rotate connect in the lathe owner push pedal, horizontal pinion right-hand member mesh in horizontal gear wheel starts the rotating electrical machines, and then drives horizontal pinion and rotate, and then drives horizontal gear wheel rotation, and then drives the anchor clamps main part and rotate, and then drives the ring type work piece and rotate and make the cutter of punching can punch to the different positions of work piece up end.

Beneficially, one end, close to the external thread rod, of the clamping head is fixedly connected with a friction plate, when the clamping head clamps the upper end face of a workpiece, the friction plate is in direct contact with the end face of the workpiece, friction force between the clamping head and the workpiece is improved, and clamping effect is guaranteed.

Beneficially, drive mechanism is including locating the clutch gear chamber in the lathe main part, clutch gear intracavity internal rotation is equipped with initiative straight-teeth gear and driven straight-teeth gear, driven straight-teeth gear is located the initiative straight-teeth gear upside, the initiative straight-teeth gear internal link has main motor, clutch gear chamber left side wall internal set has main motor, main motor left end power is connected in main motor, clutch gear chamber right side wall is equipped with the bevel gear cavity, main motor shaft right-hand member stretches into in the bevel gear cavity and has linked firmly bevel gear, the meshing of bevel gear lower extreme is equipped with horizontal bevel gear, horizontal bevel gear axle upper end link firmly in horizontal bevel gear, driven straight-teeth gear right-hand member has linked firmly the camshaft, the intercommunication is equipped with the cam cavity on the working chamber upper side wall, the cam rotates and locates in the cam cavity, the camshaft right-hand member link firmly in the cam, fixedly connected with electromagnetism elastic rod on the clutch gear chamber right wall, electromagnetism elastic rod left end rotates and is connected with clutch gear, clutch gear can mesh in driven straight-tooth gear and initiative straight-tooth gear, starts main motor, and then drives bevel gear through main motor shaft and rotate, and then drives horizontal bevel gear and rotate, and then drives L type cylinder and small circle dish through horizontal bevel gear axle and rotate, when circular telegram to electromagnetism elastic rod, electromagnetism elastic rod extension promotes clutch gear and slides left, and then makes clutch gear and driven straight-tooth gear and initiative straight-tooth gear mesh simultaneously, and main motor drive main motor shaft drives initiative straight-tooth gear and rotates this moment, and then drives clutch gear and rotate, and then drives driven straight-tooth gear and rotate, and then drives the cam through the camshaft and rotate.

Beneficially, a slider through hole is vertically arranged in the reciprocating disc in a penetrating manner, a connecting slider is vertically and slidably arranged in the slider through hole, an electromagnetic spring is fixedly connected between the upper end of the connecting slide block and the upper side wall of the working cavity, the lower end of the connecting slide block is propped against the upper end surface of the L-shaped cylinder, the connecting slide block is positioned at the rear side of the transverse bevel gear shaft, a connecting spring is fixedly connected between the L-shaped cylinder and the small disc, the electromagnetic spring is electrified to push the connecting slide block to slide downwards, further push the L-shaped cylinder to slide downwards and be clamped into the locking cavity to be connected with the small circular disc, at the moment, the connecting spring is compressed, at the moment, the L-shaped cylinder is meshed with the four-groove grooved wheel to be connected, when the electromagnetic spring is powered off, the connecting sliding block is driven to slide upwards under the elastic force of the electromagnetic spring, and the L-shaped cylinder is pushed to slide upwards under the elastic force of the connecting spring and is disconnected with the small circular disc and the four-groove grooved wheel.

The invention has the beneficial effects that: the automatic rotary tool clamping device has the advantages that the automatic rotation of the rotary disc enables the tool to abut against the right side bulge of the reciprocating disc to realize the automatic conversion of the tool, the external thread rod is rotated to clamp a circular workpiece, the workpiece can be clamped simply and conveniently, the workpiece is prevented from being damaged and the hole precision is prevented from being reduced due to the vibration of the workpiece during the processing, the transverse large gear is rotated to enable the clamp and the workpiece to integrally rotate, and when a plurality of holes need to be drilled on the circular workpiece, the clamp does not need to be loosened and then clamped again.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic overall structure diagram of a hole punching machine for circular workpieces according to the present invention;

FIG. 2 is an enlarged schematic view of "A" of FIG. 1;

FIG. 3 is an enlarged schematic view of "B" of FIG. 1;

FIG. 4 is an enlarged schematic view of "C" of FIG. 1;

FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 2;

FIG. 6 is an enlarged schematic view of "E" of FIG. 4;

FIG. 7 is a schematic view of the structure in the direction "F-F" of FIG. 4;

FIG. 8 is a diagram showing the operation state during punching;

fig. 9 is a state diagram in which the L-shaped cylinder 36 is disconnected from the four-grooved sheave 38 and the small disc 40.

Detailed Description

The invention will now be described in detail with reference to fig. 1-9, for ease of description, the orientations described below will now be 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.

The invention relates to a punching machine for circular workpieces, which comprises a machine tool main body 13, wherein a front-back through clamp cavity 12 is arranged in the machine tool main body 13, a working cavity 31 is arranged in the right side wall of the clamp cavity 12, a partition cavity 80 is communicated between the clamp cavity 12 and the working cavity 31, a clamping mechanism 101 is arranged in the clamp cavity 12, the clamping mechanism 101 comprises a machine tool main push plate 50, the machine tool main push plate 50 is L-shaped, the lower end of the machine tool main push plate 50 is fixedly connected with two supporting plates 81, the lower ends of the supporting plates 81 are slidably connected with the clamp cavity 12, the partition cavity 80 and the lower side wall of the working cavity 31, the machine tool main push plate 50 is rotatably connected with a clamp main body 85, the upper end of the clamp main body 85 is rotatably connected with an external threaded rod 55, and a large nut 54 is in threaded connection on the periphery of, the left end and the right end of the big nut 54 are respectively hinged with a connecting rod 53, the lower end of the connecting rod 53 is hinged with an arc-shaped sliding block 52, the lower end of the arc-shaped sliding block 52 is connected with the upper end of the clamp main body 85 in a sliding manner, the left side and the right side of the external thread rod 55 are respectively provided with a rotating clamping head 51, the lower end of the clamping head 51 close to one side of the external thread rod 55 is hinged with a fixed hinge 83, the fixed hinge 83 is hinged with the upper end of the clamp main body 85, an internal thread cavity 56 with a downward opening is arranged in the external thread rod 55, the internal thread cavity 56 is internally threaded with an internal thread 57, the lower end of the internal thread 57 extends to the lower side of the clamp main body 85 and is fixedly connected with a central lifting block 71, the internal thread 57 is connected with the clamp main body 85 in a sliding manner, the left side and the right side of the central lifting block 71 are respectively provided with a hollow rod 68 in a swinging manner, one end of each of the two hollow rods 68 close to the central lifting block 71 is respectively connected with the two inner side hinged cylinders 72 in a rotating manner, the left side and the right side of the central lifting block 71 are respectively provided with a peripheral lifting block 66, a front through groove 65 and a rear through groove 65 are arranged in the peripheral lifting block 66, the outer through groove 65 is internally provided with a hinged cylinder 67 in a rotating manner, one end of each of the two hollow rods 68 far away from the central lifting block 71 is respectively connected with the hinged cylinders 67 at the two sides in a rotating manner, the lower end of the clamp main body 85 is fixedly connected with four small square plates 70, the four small square plates 70 are positioned between the two support plates 81, a fixed hinged cylinder 69 is rotatably connected between the front small square plate 70 and the rear small square plate 70, the fixed hinged cylinder, the upper end of the lifting rod 62 extends to the upper side of the clamp body 85 and is hinged with a small sliding block 63, the lifting rod 62 is connected with the clamp body 85 in a sliding manner, the clamping head 51 is far away from one end of the external thread rod 55, a groove-shaped opening block 64 is fixedly connected, a guide chute 73 with an opening facing the small sliding block 63 is arranged in the groove-shaped opening block 64, the small sliding block 63 is connected with the groove-shaped opening block 64 in a sliding manner through the guide chute 73, a punching mechanism 100 is arranged in the working chamber 31 and comprises a reciprocating disc 27 which is arranged in the working chamber 31 in an up-and-down sliding manner, the right lower end of the reciprocating disc 27 is fixedly connected with a semicircular lug 28, a rotating disc 30 is arranged on the lower side of the reciprocating disc 27 in a rotating manner, a connecting shaft 37 is fixedly connected with the upper end of the rotating disc 30, the upper end of the connecting shaft 37 is rotatably connected with, the four punching tools 32 can be used for processing holes with different apertures, the four punching tools 32 are distributed by taking the connecting shaft 37 as a symmetrical center annular array, the upper ends of the punching tools 32 and the upper end of the rotating disc 30 are fixedly connected with a compression spring 29, the upper ends of the punching tools 32 on the rightmost side are supported against the semicircular lug 28, the upper ends of the reciprocating discs 27 and the upper side wall of the working cavity 31 are connected with a reset spring 25, the upper ends of the reciprocating discs 27 are supported against a cam 22, four groove sheaves 38 are fixedly connected to the periphery of the connecting shaft 37, a small disc 40 is rotatably arranged on the left side of the four groove sheaves 38, the upper end of the small disc 40 is fixedly connected with a transverse bevel gear shaft 35, an L-shaped cylinder 36 is connected to the periphery of the transverse bevel gear shaft 35 through a spline, a locking cavity 39 with an upward opening is arranged in the small disc 40, and the lower end of the, a transmission mechanism 102 is connected between the upper end of the transverse bevel gear shaft 35 and the cam 22, the transmission mechanism 102 is used for driving the transverse bevel gear shaft 35 and the cam 22 to rotate respectively, the ring-shaped workpiece is sleeved on the external threaded rod 55, at the moment, the external threaded rod 55 is manually rotated, the large nut 54 is driven to descend, the arc-shaped sliding block 52 is further pushed by the connecting rod 53 to slide, the inner ring of the ring-shaped workpiece is further clamped by the arc-shaped sliding block 52, meanwhile, the external threaded rod 55 rotates and drives the inner threaded rod 57 to descend, and further drives the central lifting block 71 to descend, and further drives the hollow rod 68 to rotate around the fixed hinged cylinder 69, and further drives the peripheral lifting block 66 to ascend, and further drives the lifting rod 62 to ascend, and further drives the clamping head 51 to rotate around the fixed hinge 83 through the small sliding block 63 and the groove-shaped opening block 64, and enables the clamping head, the main push plate 50 of the machine tool is pushed into the working cavity 31 to the right, at the moment, the cam 22 is driven to rotate through the transmission mechanism 102, and pushes the reciprocating disc 27 and the semicircular lug 28 to move downwards, further pushes the punching cutter 32 on the right side to move downwards for punching, the reciprocating disc 27, the semicircular lug 28 and the punching cutter 32 reciprocate up and down under the elastic force action of the return spring 25 and the compression spring 29, so that the punching cutter 32 punches holes in a reciprocating manner, the punching quality is ensured, when the punching cutter 32 needs to be replaced, the transmission mechanism 102 drives the transverse bevel gear shaft 35 to rotate, thereby driving the L-shaped cylinder 36 and the small disk 40 to rotate, further driving the four-groove grooved wheel 38 to rotate, and then drive the rotating disc 30 to rotate through the connecting shaft 37, and the four-slot grooved wheel 38 rotates once, the rotating angle is ninety degrees, so that the four punching tools 32 can just be replaced in sequence.

Beneficially, be equipped with in the lathe owner push pedal 50 and rotate chamber 48, it is equipped with horizontal pinion 47 to rotate 48 internal rotations in the chamber, it has rotating electrical machines 46 to rotate the lateral wall internal fixation under the chamber 48, horizontal pinion 47 lower extreme link firmly in on rotating electrical machines 46's the output shaft, horizontal gear wheel 49 has been linked firmly on the 85 outer axial planes of anchor clamps main part, horizontal gear wheel 49 rotate connect in lathe owner push pedal 50, horizontal pinion 47 right-hand member mesh in horizontal gear wheel 49 starts rotating electrical machines 46, and then drives horizontal pinion 47 and rotate, and then drives horizontal gear wheel 49 and rotate, and then drives anchor clamps main part 85 and rotate, and then drives the rotation of ring type work piece and makes the cutter 32 of punching punch to the different positions of work piece up end.

Advantageously, a friction plate 82 is fixedly connected to one end of the clamping head 51 close to the external threaded rod 55, and when the clamping head 51 clamps the upper end face of the workpiece, the friction plate 82 is in direct contact with the end face of the workpiece, so that the friction force between the clamping head 51 and the workpiece is improved, and the clamping effect is ensured.

Beneficially, drive mechanism 102 is including locating clutch gear chamber 15 in machine tool body 13, clutch gear chamber 15 internal rotation is equipped with initiative straight-toothed gear 41 and driven straight-toothed gear 43, driven straight-toothed gear 43 is located initiative straight-toothed gear 41 upside, main motor 16 has been linked firmly in initiative straight-toothed gear 41, main motor 14 has set firmly in clutch gear chamber 15 left side wall, main motor shaft 16 left end power is connected in main motor 14, be equipped with bevel gear cavity 19 in clutch gear chamber 15 right side wall, main motor shaft 16 right-hand member stretches into in bevel gear cavity 19 and has linked firmly bevel gear 18, the meshing of bevel gear 18 lower extreme is equipped with horizontal bevel gear 20, horizontal bevel gear shaft 35 upper end link firmly in horizontal bevel gear 20, driven straight-toothed gear 43 right-hand member has linked firmly camshaft 17, the intercommunication is equipped with cam cavity 21 in the working chamber 31 upper side wall, the cam 22 rotates and is arranged in the cam cavity 21, the right end of the cam shaft 17 is fixedly connected to the cam 22, the electromagnetic elastic rod 45 is fixedly connected to the right wall of the clutch gear cavity 15, the left end of the electromagnetic elastic rod 45 is rotatably connected with the clutch gear 42, the clutch gear 42 can be meshed with the driven straight gear 43 and the driving straight gear 41 to start the main motor 14, the main motor shaft 16 drives the bevel gear 18 to rotate and further drives the transverse bevel gear 20 to rotate, the transverse bevel gear shaft 35 drives the L-shaped cylinder 36 and the small disc 40 to rotate, when the electromagnetic elastic rod 45 is electrified, the electromagnetic elastic rod 45 extends and pushes the clutch gear 42 to slide leftwards, so that the clutch gear 42 is meshed with the driven straight gear 43 and the driving straight gear 41 simultaneously, and at the moment, the main motor 14 drives the main motor shaft 16 and drives the driving straight gear 41 to rotate, which in turn causes the clutch gear 42 to rotate and in turn causes the driven spur gear 43 to rotate, which in turn causes the cam 22 to rotate via the cam shaft 17.

Beneficially, a slider through hole 26 is vertically arranged in the reciprocating disc 27 in a penetrating manner, a connecting slider 34 is vertically arranged in the slider through hole 26 in a sliding manner, an electromagnetic spring 24 is fixedly connected between the upper end of the connecting slider 34 and the upper side wall of the working chamber 31, the lower end of the connecting slider 34 abuts against the upper end face of the L-shaped cylinder 36, the connecting slider 34 is located on the rear side of the transverse bevel gear shaft 35, a connecting spring 33 is fixedly connected between the L-shaped cylinder 36 and the small disc 40 to electrify the electromagnetic spring 24, further push the connecting slider 34 to slide downwards, further push the L-shaped cylinder 36 to slide downwards and be clamped into the locking cavity 39 to be connected with the small disc 40, at the moment, the connecting spring 33 is compressed, at the moment, the L-shaped cylinder 36 is meshed with the four-groove grooved wheels 38, when the electromagnetic spring 24 is powered off, the connecting slider 34 is driven to slide upwards under the elastic force of the electromagnetic spring 24, at the moment, the connecting spring 33 pushes Sheave 38 is disconnected.

The following describes in detail the use steps of a punching machine for circular workpieces according to the present disclosure with reference to fig. 1 to 9: initially, the main push plate 50 of the machine tool is located in the cavity 12 of the fixture, the large nut 54 is located at the upper limit position, the clutch gear 42 is not meshed with the driven spur gear 43 and the driving spur gear 41, the reciprocating disc 27 is located at the upper limit position, the electromagnetic spring 24 is not electrified, and the L-shaped cylinder 36 is not meshed with the small disc 40 and the four-groove grooved wheel 38.

When the tool is used, a circular workpiece is sleeved on the external threaded rod 55, the external threaded rod 55 is manually rotated at the moment, the large nut 54 is driven to descend, the arc-shaped sliding block 52 is pushed to slide through the connecting rod 53, the inner ring of the circular workpiece is clamped through the arc-shaped sliding block 52, meanwhile, the external threaded rod 55 rotates and drives the inner threaded rod 57 to descend, the central lifting block 71 is driven to descend, the hollow rod 68 is driven to rotate around the fixed hinged cylinder 69, the peripheral lifting block 66 is driven to ascend, the lifting rod 62 is driven to ascend, the clamping head 51 is driven to rotate around the fixed hinge 83 through the small sliding block 63 and the groove-shaped opening block 64, the clamping head 51 and the friction plate 82 clamp the upper end face of the circular workpiece, the main push plate 50 of the machine tool is pushed to the right into the working cavity 31, and the right upper end face of the main push plate 50 of the machine tool abuts against the right; electrifying the electromagnetic spring 24, further pushing the connecting slide block 34 to slide downwards, further pushing the L-shaped cylinder 36 to slide downwards and be clamped into the locking cavity 39 to be connected with the small disc 40, at the moment, compressing the connecting spring 33, at the moment, engaging and connecting the L-shaped cylinder 36 with the four-groove grooved pulley 38, at the moment, starting the main motor 14, further driving the bevel gear 18 to rotate through the main motor shaft 16, further driving the transverse bevel gear 20 to rotate, further driving the L-shaped cylinder 36 and the small disc 40 to rotate through the transverse bevel gear shaft 35, further driving the four-groove grooved pulley 38 to rotate, further driving the rotating disc 30 to rotate through the connecting shaft 37, and rotating the four-groove grooved pulley 38 for every time, wherein the rotating angle is ninety degrees, so that the four punching tools 32 can be sequentially replaced, and according to the processing requirement, the corresponding punching tool 32 is positioned at the right; at this time, when the electromagnetic spring 24 is powered off, the electromagnetic spring 24 drives the connecting slide block 34 to slide upwards under the elastic force of the electromagnetic spring 24, at this time, the connecting spring 33 pushes the L-shaped cylinder 36 to slide upwards and separate from the small disc 40 and the four-groove grooved wheel 38, at this time, when the electromagnetic elastic rod 45 is powered on, the electromagnetic elastic rod 45 extends and pushes the clutch gear 42 to slide leftwards, so that the clutch gear 42 is engaged with the driven spur gear 43 and the driving spur gear 41 simultaneously, at this time, the main motor 14 drives the main motor shaft 16 and drives the driving spur gear 41 to rotate, so that the clutch gear 42 is driven to rotate, so that the driven spur gear 43 is driven to rotate, so that the cam shaft 17 drives the cam 22 to rotate, and pushes the reciprocating disc 27 and the semicircular convex block 28 to move downwards, so that the punching cutter 32 on the right side is pushed to move downwards to punch, so, The semicircular lug 28 and the punching cutter 32 reciprocate up and down, so that the punching cutter 32 punches holes in a reciprocating manner, and the punching quality is ensured; when a plurality of holes need to be punched on the upper end surface of the circular workpiece, the rotating motor 46 is started, so that the transverse pinion 47 is driven to rotate, the transverse big gear 49 is driven to rotate, the clamp main body 85 is driven to rotate, and the circular workpiece is driven to rotate, so that the punching cutter 32 can punch holes on different positions of the upper end surface of the workpiece; in order to prevent the punching tool 32 from being damaged by collision during punching, when the rotating motor 46 is started, the main motor 14 is not started, the punching tool 32 does not punch, and when the rotating motor 46 drives the workpiece to rotate to a corresponding machining position, the main motor 14 is started after the rotating motor 46 stops; after the machining is finished, the electromagnetic elastic rod 45 is powered off, the main motor 14 is stopped, the machine tool main push plate 50 is pulled leftwards manually at the moment, the workpiece is moved into the clamp cavity 12, and the workpiece can be taken out at the moment.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. A punching machine for circular ring type workpieces comprises a machine body and is characterized in that: the machine tool comprises a machine tool main push plate, a machine tool main push plate and a large nut, wherein a clamp cavity which is communicated with the front side and the rear side is arranged in the machine tool main body, a working cavity is arranged in the right side wall of the clamp cavity, a partition cavity is communicated and arranged between the clamp cavity and the working cavity, a clamping mechanism is arranged in the clamp cavity and comprises a machine tool main push plate which is L-shaped, the lower end of the machine tool main push plate is fixedly connected with two support plates, the lower ends of the support plates are slidably connected with the clamp cavity, the partition cavity and the lower side wall of the working cavity, the machine tool main push plate is rotatably connected with a clamp main body, the upper end of the clamp main body is rotatably connected with an external thread rod, the periphery of the external thread rod is in threaded connection with the large nut, the left, the outer thread rod left and right sides is equipped with a pivoted clamping head respectively, the lower extreme that clamping head is close to outer thread rod one side articulates there is fixed hinge, fixed hinge articulate in anchor clamps main part upper end, be equipped with the interior thread cavity that opens downwards in the outer thread rod, interior thread cavity female connection has interior threaded rod, interior threaded rod lower extreme stretches to anchor clamps main part downside and has linked firmly central elevator, interior threaded rod with sliding connection between the anchor clamps main part, link up in the middle of being equipped with logical groove around in the central elevator, the rotation of logical groove in the middle is equipped with two inboard articulated cylinders, the central elevator left and right sides swings respectively and is equipped with a cavity pole, two the cavity pole is close to central elevator one end and rotates respectively and connects in two the inboard articulated cylinders, the central elevator left and right sides is equipped with a peripheral elevator respectively, the outer side through groove which is communicated from front to back is arranged in the peripheral lifting block, an articulated cylinder is arranged in the outer side through groove in a rotating manner, one end of each hollow rod, which is far away from the central lifting block, is respectively and rotatably connected with the articulated cylinders on two sides, the lower end of the clamp body is fixedly connected with four small square plates, the four small square plates are positioned between the two supporting plates, a fixed articulated cylinder is rotatably connected between the front small square plate and the rear small square plate, the fixed articulated cylinder is hinged with the hollow rods, the upper end of the peripheral lifting block is fixedly connected with a lifting rod, the upper end of the lifting rod extends to the upper side of the clamp body and is hinged with a small sliding block, the lifting rod is in sliding connection with the clamp body, one end of the clamping head, which is far away from the outer threaded rod, is fixedly connected with a groove-shaped opening block, a guide chute facing the small sliding block is, the punching mechanism is arranged in the working cavity and comprises a reciprocating disc which is arranged in the working cavity in a vertically sliding manner, a semicircular lug is fixedly connected to the right lower end of the reciprocating disc, a rotating disc is rotatably arranged on the lower side of the reciprocating disc, a connecting shaft is fixedly connected to the upper end of the rotating disc, the upper end of the connecting shaft is rotatably connected to the upper side wall of the working cavity, four punching cutters are vertically and slidably connected in the rotating disc and can be used for machining holes with different apertures, the four punching cutters are distributed in an annular array mode by taking the connecting shaft as a symmetrical center, a compression spring is fixedly connected between the upper ends of the punching cutters and the upper end of the rotating disc, the upper end of the punching cutter on the rightmost side is abutted against the semicircular lug, a reset spring is connected between the upper end of the reciprocating disc and the upper side wall of the, the improved bevel gear mechanism is characterized in that four groove sheaves are fixedly connected to the periphery of the connecting shaft, a small disc is arranged on the left side of each four groove sheaves in a rotating mode, the upper end of the small disc is fixedly connected with a transverse bevel gear shaft, an L-shaped cylinder is connected to the periphery of the transverse bevel gear shaft through splines, a locking cavity with an upward opening is formed in the small disc, the lower end of the L-shaped cylinder is clamped into the locking cavity, the upper end of the transverse bevel gear shaft is connected with a transmission mechanism between cams, and the transmission mechanism is used for driving the transverse bevel gear shaft and the cams to.

2. A hole-punching machine for circular-ring-like workpieces according to claim 1, characterized in that: the lathe owner is equipped with in the push pedal and rotates the chamber, it is equipped with horizontal pinion to rotate the intracavity, it has set firmly the rotating electrical machines to rotate the chamber lower lateral wall, horizontal pinion lower extreme link firmly in on the output shaft of rotating electrical machines, horizontal gear wheel has been linked firmly on the anchor clamps main part outer axial plane, horizontal gear wheel rotate connect in lathe owner push pedal, horizontal pinion right-hand member mesh in horizontal gear wheel.

3. A hole-punching machine for circular-ring-like workpieces according to claim 1, characterized in that: and one end of the clamping head, which is close to the external thread rod, is fixedly connected with a friction plate.

4. A hole-punching machine for circular-ring-like workpieces according to claim 1, characterized in that: the transmission mechanism comprises a clutch gear cavity arranged in the machine tool body, a driving straight gear and a driven straight gear are arranged in the clutch gear cavity, the driven straight gear is positioned on the upper side of the driving straight gear, a main motor is fixedly connected in the driving straight gear, a main motor is fixedly arranged in the left side wall of the clutch gear cavity, the left end of the main motor is in power connection with the main motor, a bevel gear cavity is arranged in the right side wall of the clutch gear cavity, the right end of the main motor shaft extends into the bevel gear cavity and is fixedly connected with a bevel gear, the lower end of the bevel gear is meshed with a transverse bevel gear, the upper end of the transverse bevel gear shaft is fixedly connected with the transverse bevel gear, the right end of the driven straight gear is fixedly connected with a cam shaft, a cam cavity is communicated in the upper side wall of the working cavity, a cam rotates and is arranged in the cam cavity, and, fixedly connected with electromagnetism elastic rod on the clutch gear chamber right wall, electromagnetism elastic rod left end rotates and is connected with clutch gear, clutch gear can mesh in driven spur gear and initiative spur gear.

5. A hole-punching machine for circular-ring-like workpieces according to claim 1, characterized in that: the reciprocating disc is internally provided with a slider through hole which is communicated up and down, a connecting slider is arranged in the slider through hole in a sliding manner up and down, an electromagnetic spring is fixedly connected between the upper end of the connecting slider and the upper side wall of the working chamber, the lower end of the connecting slider is abutted against the upper end face of the L-shaped cylinder, the connecting slider is positioned at the rear side of the transverse bevel gear shaft, and a connecting spring is fixedly connected between the L-shaped cylinder and the small disc.