CN115009840A

CN115009840A - Numerical control machine tool with pin shaft limiting function for pin shaft machining

Info

Publication number: CN115009840A
Application number: CN202210752635.1A
Authority: CN
Inventors: 丁思万; 鲁国强; 方荣; 丁灵龙
Original assignee: Hangzhou Xiaoshan Linglong Machinery Co ltd
Current assignee: Hangzhou Xiaoshan Linglong Machinery Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-09-06
Anticipated expiration: 2042-06-28
Also published as: CN115009840B

Abstract

The invention belongs to the technical field of pin shaft part machining equipment, and particularly relates to a numerical control machine tool with a pin shaft limiting function for pin shaft machining. The invention has the beneficial effects that: the automatic feeding and discharging are realized through the feeding and discharging assembly, so that the automatic and efficient operation is realized; secondly, the front and back movement of the clamping jaw is realized through the conveying assembly, the clamping jaw is helped to push the pin shaft to move forwards for processing, and the processed pin shaft is taken out and put into a finished product box; the displacement assembly helps the clamping jaw to horizontally move left and right, and the pin shaft is clamped more accurately; and fourthly, the lever is matched with the triangular block to realize the clamping action of the clamping block after the inner ring moves to the designated position.

Description

Numerical control machine tool with pin shaft limiting function for pin shaft machining

Technical Field

The invention belongs to the technical field of pin shaft type part machining equipment, and particularly relates to a numerical control machine tool with a pin shaft limiting function for pin shaft machining.

Background

Miniature motors in household appliances and instruments on the market at present; the adjusting knobs of modern digital electronic and electric products are largely applied with pin shafts, which are a kind of standardized fastening pieces, can be statically and fixedly connected, and can also be relatively moved with a connected piece, and are mainly used for the hinged part of two parts to form a hinged connection, the pin shafts are usually locked by split pins, the operation is reliable, the pin shafts are convenient to disassemble and are used for positioning and fastening parts, the pin shafts are of two types of cylinders and cones, the installation of the pin shafts is generally carried out by adopting a press-in method or a method of knocking in by using soft metal, the pin shafts are usually conical, wood with sharp tips or pointed tips, small metal nails used for nailing or fastening (boards, tiles, soles, uppers, furniture molds and components) or filling holes, and the pin shafts have the function of lifting the weight in the connection of mechanical parts, and can be divided into the following steps according to the difference of shapes and functions: in 1986, national standards of pin products are revised and released by adopting an ISO fastener product standard system for the first time in China, and specifically refer to the pin product standards, in the pin products, the cylindrical pin, the conical pin and the split pin are commodity fasteners which are produced and used in large quantities and are wide, and are also irreplaceable fastener products, but when the pin shaft is processed in a current factory, the pin shaft has the following characteristics: the disadvantages of difficult fixturing, poor tooling and poor perforation impact the commercial value of factory production.

Disclosure of Invention

The invention provides a numerical control machine tool for processing a pin shaft, which has a pin shaft limiting function and aims to overcome the defects of the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a digit control machine tool is used in round pin axle processing with round pin axle limit function, includes the lathe, the lathe includes the workstation, the slip is equipped with the cutter on the workstation, the fixed controlling part case that is equipped with before the cutter, the controlling part case is fixed to be set up in the workstation left side, controlling part case rear side is equipped with goes up the unloading subassembly.

Preferably, the control box is provided with a cavity, a conveying cylinder is fixedly arranged in the cavity, the outer wall of the conveying cylinder is provided with a groove, a hinged plate is arranged in the groove in a sliding manner, one end of the conveying cylinder is provided with a joint, the joint is fixedly connected with one end of the conveying cylinder, the circumferential radius of the joint is equal to that of the conveying cylinder, the inner wall of the joint is provided with a plurality of through holes, a force application block is arranged in the through holes in a sliding manner, the length and the width and the shape of the force application block are all consistent with those of the through holes, one end of the force application block is arranged in the through hole, the other end of the force application block is arranged outside the through hole, the other end of the force application block is fixedly connected with a lever, one end of the lever, which is far away from the force application block, is provided with an opening on the surface of the lever, one end of the clamping block is provided with a hinged shaft, and the hinged shaft is in sliding fit with the opening, the clamping block is hinged to the lever through a hinge shaft, an outer ring is arranged at one end, away from the lever, of the clamping block, an opening is formed in the surface of the outer ring, one end of the clamping block extends into the opening of the outer ring, the outer ring is fixedly arranged on the outer side of one end, away from the joint, of the conveying cylinder, the circumference radius of the outer ring is slightly larger than that of the conveying cylinder, the opening formed in the surface of the outer ring and a through hole formed in the inner wall of the joint are not located in a horizontal position, the opening formed in the surface of the outer ring and the through hole formed in the inner wall of the joint are arranged at different positions, an inner ring is arranged in one end, close to the outer ring, of the conveying cylinder, the inner ring is in sliding fit with the conveying cylinder, and the circumference radius of the inner ring is slightly smaller than that of the conveying cylinder.

As preferred, the lever is towards the fixed three hornblocks that are equipped with in one side of transfer cylinder, three hornblocks one end is articulated with articulated board, the lever surface is equipped with the action bars, action bars one end is fixed in the lever surface, the one end below that the lever was kept away from to the action bars is equipped with the movable plate, movable plate and action bars fixed connection, control spring is located to the movable plate fixed surface, control spring keeps away from the one end fixed connection fixed plate of movable plate, the fixed plate is kept away from on control spring's the one end fixed with the transfer cylinder outer wall, the action bars other end is equipped with the breach disc, the breach disc contacts with the action bars, trapezoidal opening has been seted up on breach disc surface.

Preferably, the inner ring comprises a ring body, a plurality of springs are fixedly arranged on the surface of the ring body, a cover cap is fixedly arranged at one end, far away from the ring body, of each spring, the cover cap is in contact with the inner wall of the conveying cylinder, a plurality of electric telescopic rods are fixedly arranged on the inner wall of the inner ring, and a clamping plate is fixedly arranged at one end, far away from the ring body, of each electric telescopic rod.

Preferably, the feeding and discharging component comprises a feeding box, the feeding box is fixedly arranged on the wall of the control box, an inclined surface clamp is obliquely arranged below the feeding box, the surface of the inclined surface part of the inclined surface clamp is provided with saw teeth, the bottom surface of the inclined surface clamp is fixedly provided with a limiting spring, one end of the limiting spring, which is far away from the inclined surface clamp, is fixedly connected with a bottom column, the bottom column is fixedly arranged on the ground, the right side of the bottom column is provided with a finished product box, the finished product box is arranged on the ground, the right side of the finished product box is provided with a conveying component, the conveying component comprises a connecting rod, the connecting rod is arranged on the ground, one end of the connecting rod, which is far away from the ground, is provided with a lead screw, the lead screw is in running fit with the connecting rod, one end of the lead screw penetrates through the connecting rod to be connected to the wall of the control box and is in running fit with the wall of the control box, one side of the connecting rod is provided with a chain wheel and a chain, the chain wheel is meshed with the chain, one end the sprocket is equipped with control motor, control motor external fixation is equipped with motor housing, motor housing fixes and sets up on the connecting rod, the lead screw peripheral hardware conveyer belt, conveyer belt and lead screw thread fit, the conveyer belt includes slider and two slides, the slider overcoat is on the lead screw and with lead screw thread fit, two slide fixed connection is in both ends about the slider, two the opening has been seted up on the slide surface, two be equipped with the displacement subassembly between the slide.

Preferably, the displacement assembly comprises a displacement motor, the displacement motor is fixedly arranged on the surface of the conveyor belt, a motor output shaft is fixedly arranged at the output part of the displacement motor, the motor output shaft is fixedly connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a traction column, a spherical groove is formed in the surface of the end, far away from the rotating shaft, of the traction column, a horizontal moving column is rotationally arranged in the spherical groove, one end, close to the traction column, of the horizontal moving column is arranged to be a sphere, the size of the sphere is completely the same as that of the spherical groove, the sphere is embedded in the spherical groove, one end, far away from the traction column, of the horizontal moving column is arranged to be a sphere, a spherical groove is formed outside the sphere, a horizontal sliding block is fixedly arranged below the spherical groove, grooves are formed in two sides of the horizontal sliding block, the width of each groove is equal to the height of the opening of the conveyor belt, and the horizontal sliding block is in sliding fit with the conveyor belt, the support column is fixedly arranged below the horizontal sliding block, an electric push rod is fixedly arranged at one end, far away from the horizontal sliding block, of the support column, and a clamping jaw assembly is fixedly arranged at one end of the electric push rod.

Preferably, the clamping jaw assembly comprises a cylinder, the cylinder is provided with an output shaft, the output shaft penetrates through the supporting plate, one end of the output shaft is fixedly connected with the cylinder, the other end of the output shaft penetrates through the supporting plate and is fixedly provided with an I-shaped connecting piece, two ends of the I-shaped connecting piece are fixedly provided with forked connecting pieces, the middle of each forked connecting piece is hinged with the clamping jaw, the surface of the clamping jaw is provided with an L-shaped lever, one end of the L-shaped lever is hinged with the clamping jaw, and the other end of the L-shaped lever is hinged with the supporting plate.

In conclusion, the beneficial effects of the invention are as follows: automatic feeding and discharging are realized through a feeding and discharging assembly, and automatic and efficient operation is realized; secondly, the front and back movement of the clamping jaw is realized through the conveying assembly, the clamping jaw is helped to push the pin shaft to move forwards for processing, and the processed pin shaft is taken out and put into a finished product box; the displacement assembly helps the clamping jaw to horizontally move left and right, and the pin shaft is clamped more accurately; and fourthly, the lever is matched with the triangular block to realize the clamping action of the clamping block after the inner ring moves to the designated position.

Drawings

Fig. 1 is an external overall view of the present invention.

FIG. 2 is an enlarged view of the invention at A.

Fig. 3 is an external overall side view of the present invention.

FIG. 4 is an enlarged view of the invention at point B.

FIG. 5 is an isometric view of an internal structure of a control box of the present invention.

FIG. 6 is a side view of the internal structure of a control box of the present invention.

FIG. 7 is a schematic view of an inner race of the present invention.

Figure 8 is a schematic view of a jaw assembly of the present invention.

In the figure, 1, a machine tool; 2. a cutter; 3. a control box; 4. a feeding and discharging assembly; 301. an inner ring; 302. an outer ring; 303. a transfer drum; 304. a joint; 305. a clamping block; 306. a lever; 307. a fixed block; 308. a control spring; 309. a moving block; 310. a notched disc; 311. an operating lever; 312. a rotating electric machine; 313. a force application block; 3011. a spring; 3012. capping; 3013. a loop body; 3014. an electric push rod; 3015. a splint; 3041. a through hole; 401. feeding a material box; 402. a transfer assembly; 403. a finished product box; 404. a bevel clamp; 405. a limiting spring; 4021. controlling the motor; 4022. a lead screw; 4023. a conveyor belt; 4024. a displacement assembly; 4025. a support pillar; 4026. a clamping jaw; 40241. a rotating shaft; 40242. a traction column; 40243. a horizontally moving column; 40244. a horizontal slider; 40245. a second spherical recess; 40246. a first spherical recess; 40261. a cylinder; 40262. a support plate; 40263. an L-shaped lever; 40264. a clamping jaw; 40265. an I-shaped connecting piece; 40266. fork type connecting piece

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Referring to fig. 1-8, a numerical control machine tool for processing a pin shaft with a pin shaft limiting function comprises a machine tool 1, wherein the machine tool 1 comprises a workbench, and the workbench bears a pin shaft processing tool to realize pin shaft processing. The cutter 2 is arranged on the workbench in a sliding mode, the cutter 2 is used for polishing a pin shaft to be machined, the pin shaft is machined into a required pattern through the front and back movement of the cutter 2, the polishing is achieved through the high-speed rotation of the cutter 2, the manual polishing slow efficiency is abandoned, and the working efficiency is improved. The front of the cutter 2 is fixedly provided with a control box 3, the control box 3 is fixedly arranged on the left side of the workbench, the control box 3 can fix a pin shaft to be processed, and the pin shaft is prevented from moving in the processing process to cause the processing of a failed product. The rear side of the control box 3 is provided with a feeding and discharging assembly 4, the feeding and discharging assembly 4 firstly realizes that a pin shaft to be processed is sent into the control box 3 to be fixed, secondly, the processed pin shaft is taken out of the control box 3, feeding and discharging are automatically realized, labor cost is reduced, and efficient work is realized.

As shown in fig. 5 and 6, the control box 3 is provided with a cavity, a conveying cylinder 303 is fixedly arranged in the cavity, the position of the pin shaft can be fixed by the conveying cylinder 303, a positioning function is realized, and the pin shaft is accurately conveyed to the front of the cutter 2 through the conveying cylinder 303, so that accurate processing is realized. One end of the conveying cylinder 303 is provided with a joint 304, the joint 304 is fixedly connected with one end of the conveying cylinder 303, the circumferential radius of the joint 304 is equal to that of the conveying cylinder 303, the inner wall of the joint 304 is provided with a plurality of through holes 3041, a force application block 313 is arranged in the plurality of through holes 3041 in a sliding manner, the length and the width of the force application block 313, the shape of the clamping block 305 is consistent with that of the through hole 3041, one end of the force application block 313 is arranged in the through hole 3041, the other end of the force application block 313 is arranged outside the through hole 3041, the other end of the force application block 313 is provided with a lever 306, one end of the lever 306 close to the force application block 313 is provided with an opening, one end of the force application block 313 far away from the through hole 3041 is hinged with the lever 306, one end of the lever 306 far away from the force application block 313 is provided with the clamping block 305, the surface of one end of the lever 306 close to the clamping block 305 is provided with an opening, and the opening helps the clamping block 305 to more accurately extend into the opening of the outer ring 302 when the clamping block 305 is matched with the lever 306 to generate displacement, so as to prevent the clamping block 305 from generating deformation.

As shown in fig. 5 and 6, one end of the clamping block 305 is provided with a hinge shaft, the hinge shaft is fixedly connected with the clamping block 305, one end of the clamping block 305 is hinged with the lever 306 in the opening through the hinge shaft, the hinge shaft is in sliding fit with the opening, one end of the clamping block 305 away from the lever 306 is provided with an outer ring 302, the surface of the outer ring 302 is provided with an opening, one end of the clamping block 305 extends into the opening of the outer ring 302, the outer ring 302 is fixedly arranged outside one end of the conveying cylinder 303 away from the joint 304, the side wall of the conveying cylinder 303 in contact with the outer ring 302 is provided with an opening communicated with the opening of the outer ring 302, the circumferential radius of the outer ring 303 is slightly larger than the circumferential radius of the conveying cylinder 303, the opening formed on the surface of the outer ring 302 and the through hole 3041 formed on the inner wall of the joint 304 are not in a horizontal position, the opening formed on the surface of the outer ring 302 and the through hole 3041 formed on the inner wall of the joint 304 are spaced apart, the through hole 3041 helps the inner ring 301 to push the force application block 313 out of the through hole 3041 when sliding to the joint 304, the lever 306 is driven to incline, and the clamping block 305 is completely pushed into the opening of the outer ring 302 after the lever 306 inclines, so that the clamping action is realized.

As shown in fig. 5 and 6, an inner ring 301 is arranged in one end of the transfer drum 303 close to the outer ring 302, the inner ring 301 is in sliding fit with the transfer drum 303, and the circumferential radius of the inner ring 301 is slightly smaller than that of the transfer drum 303. The lever 306 middle-end is equipped with the triangle piece, the hypotenuse and the lever 306 fixed connection of triangle piece, conveying cylinder 303 outer wall is equipped with the recess, it is equipped with the articulated slab to slide in the recess, the apex angle that the triangle piece corresponds the hypotenuse is articulated with the articulated slab, the warp function is realized to the triangle piece, after application of force piece 313 is ejecting by lid 3012 and spring 3011, the triangle piece takes place to incline, drive lever 306 and take place to incline, then press from both sides tight piece 305 and stretch into in the opening that is driven outside circle 302 by lever 306, realize the clamping function. An operating rod 311 is arranged on the surface of the lever 306, one end of the operating rod 311 is fixed on the surface of the lever 306, a moving plate 309 is arranged below one end, far away from the lever 306, of the operating rod 311, the moving plate 309 is fixedly connected with the operating rod 311, a control spring 308 is fixedly arranged on the surface of the moving plate 309, one end, far away from the moving plate 309, of the control spring 308 is fixedly connected with a fixing plate 307, one end, far away from the control spring 308, of the fixing plate 307 is fixed on the outer wall of the conveying cylinder 303, the moving plate 309, the control spring 308 and the fixing plate 307 are matched to drive the operating rod 311 to horizontally move, the horizontal movement of the operating rod 311 can drive the horizontal movement of the lever 306, and the horizontal movement of the lever 306 can drive the force application block 313 to displace with the clamping block 305.

As shown in fig. 5 and 6, a notched disc 310 is disposed at the other end of the operating rod 311, the notched disc 310 contacts the operating rod 311, a trapezoidal opening is disposed on the surface of the notched disc 310, a rotating motor 312 is disposed below the notched disc 310, a motor rotating shaft of the rotating motor 312 is fixedly connected with the notched disc 310, the rotating motor 312 is fixedly disposed on a motor base, and the motor base is fixedly disposed on the bottom surface of the cavity inside the control box 3. The notch disc 310 is driven to rotate by the rotating motor 312, the control spring 308 is compressed when the operating rod 311 contacts the normal side surface of the notch disc 310, the operating rod 311 pushes the lever 306 forward, the lever 306 can realize that the clamping block extends into the opening of the outer ring 302 and the force application block 313 extends out of the through hole 3041 of the interface 304 or the clamping block extends out of the opening of the outer ring 302 and the force application block 313 extends into the through hole 3041 of the interface 304, but when the operating rod 611 slides into the notch of the notch disc 310, the control spring 308 is released to drive the moving plate 309 to extend towards the direction of the notch disc 310, the lever 306 is also driven to move towards the direction of the notch disc 310, and the clamping block 305 and the force application block 311 extend out of the opening of the outer ring 302 and the through hole 3041 of the joint 304 at the same time, so as to realize that the finished pin shaft is taken out.

As shown in fig. 7, the inner ring 301 includes a ring body 3013, a plurality of springs 3011 are fixed on the surface of the ring body 3013, the plurality of springs 3011 assist the inner ring to slide in the transfer cylinder 303, and when the inner ring 301 reaches the through hole 3041 of the joint 304, the springs 3011 pop up to push the force application block 313 outwards. A cap 3012 is fixedly arranged at one end of the springs 3011 far away from the ring body 3013, and the cap 3012 is matched with the springs 3011 to push the force application block out of the through hole. The cap 3012 contacts with the inner wall of the conveying cylinder 303, the inner wall of the inner ring 301 is fixedly provided with a plurality of electric telescopic rods 3014, and one ends, far away from the ring body 3013, of the electric telescopic rods 3014 are fixedly provided with clamping plates 3015. The electric telescopic rod 3014 pushes the clamp plate 3015 to clamp the pin shaft to be processed, so that fixation is achieved.

As shown in fig. 3, the feeding and discharging assembly 4 includes a feeding box 401, the feeding box 401 is fixedly disposed on the wall of the control box 3, the feeding box 401 is inclined, a pin to be processed is placed in the feeding box 401, and one pin can be transported downwards by the inclined feeding box 401. The end, close to the conveying cylinder 303, of the feeding box 401, far away from the joint 304 is fixedly connected with the arc-shaped bent plate, the arc-shaped bent plate at the end of the feeding box 401 can help the pin shaft to be processed to fall, the arc shape plays a buffering role, and damage caused by impact generated when the pin shaft to be processed falls is reduced. The inclined plane clamp 404 is arranged on one side of the circular arc-shaped bent plate, saw-teeth are arranged on the surface of the inclined plane part of the inclined plane clamp 404, the pin shaft to be machined, falling from the feeding box 401, is clamped on the inclined plane part of the inclined plane clamp 404 through the circular arc-shaped bent plate, friction is increased through the saw teeth on the inclined plane part of the inclined plane clamp 404, and the pin shaft to be machined is prevented from falling into the ground and being damaged. The fixed spacing spring 405 that is equipped with in inclined plane clamp 404 bottom surface, the one end fixed connection base pillar that inclined plane clamp 404 was kept away from to spacing spring 405, and the base pillar is fixed to be placed subaerially, and spacing spring 405 realizes the buffering effect, helps inclined plane clamp 404 to fix with convex bent plate when treating that the processing round pin axle falls into inclined plane clamp 404. The right side of the bottom column is provided with a finished product box 403, the finished product box 403 is placed on the ground, and the finished product box 403 is used for placing the processed pin shaft, so that the finished pin shaft is convenient to store and transport. Finished product case 403 right side is equipped with conveying assembly 402, conveying assembly 402 includes the connecting rod, the connecting rod is placed and is equipped with lead screw 4022 in subaerial and the one end that the ground was kept away from to the connecting rod, lead screw 4022 and connecting rod normal running fit, lead screw 4022 one end pass the connecting rod be connected to on 3 walls of controlling part case and with 3 walls of controlling part case normal running fit, connecting rod one side is equipped with sprocket and chain, sprocket and chain meshing, the one end sprocket is equipped with control motor 4021, control motor 4021 external fixation is equipped with motor housing, motor housing fixes to set up on the connecting rod, sprocket and chain realize synchronous operation. Lead screw 4022 peripheral hardware conveyer belt 4023, conveyer belt 4023 and lead screw 4022 screw-thread fit, conveyer belt 4023 includes slider and two slides, the slider overcoat on lead screw 4022 and with lead screw 4022 screw-thread fit, both ends about two slides fixed connection in the slider, the opening has been seted up on two slide surfaces, lead screw 4022 can help removing required part with the cooperation of conveyer belt 4023. A displacement assembly 4024 is arranged between the two sliding plates, and the displacement assembly 4024 assists the horizontal movement of the part.

As shown in fig. 5, the displacement assembly 4024 includes a displacement motor fixedly disposed on the surface of the conveyor belt 4023, and the displacement motor provides power to drive each part to move. A motor output shaft is fixedly arranged at the output of the displacement motor, a rotating shaft 40241 is fixedly arranged at one end of the motor output shaft, a traction column 40242 is fixedly arranged at one end of the rotating shaft 40241, and the motor output shaft drives the traction column 40242 to rotate so as to realize the rotation of the traction column 40242. The surface of one end of the traction column 40242, which is far away from the rotating shaft 40241, is provided with a first spherical groove 40246, the first spherical groove 40246 is internally provided with a horizontal moving column 40243 in a rotating manner, one end of the horizontal moving column 40243, which is close to the traction column 40242, is provided with a sphere, the size of the sphere is completely the same as that of the first spherical groove 40246, the sphere is embedded into the first spherical groove 40246, and the sphere arranged at one end of the horizontal moving column 40243 rotates in the first spherical groove 40246 when the traction column 40242 rotates, so that the horizontal moving of the horizontal moving column 40243 is realized. One end, far away from the traction column 40242, of the horizontal moving column 40243 is set to be a sphere, a second spherical groove 40245 is formed outside the sphere, a horizontal sliding block 40244 is fixedly arranged below the second spherical groove 40245, grooves are formed in two sides of the horizontal sliding block 40244, the width of each groove is equal to the height of an opening of the conveyor belt 4023, the horizontal sliding block 40244 is in sliding fit with the conveyor belt 4023, the sphere is driven by horizontal movement of the horizontal moving column 40243 to rotate in the spherical groove 40245, the horizontal sliding block 40244 is pushed forwards, horizontal movement of the horizontal sliding block 40244 on the conveyor belt is achieved, and a sliding track of the horizontal sliding block 40244 is positioned by the opening of the conveyor belt 4023. Horizontal slider 40244 below is fixed to be equipped with support column 4025, and the one end that horizontal slider 40244 was kept away from to support column 4025 is fixed to be equipped with electric putter, and electric putter one end is fixed to be equipped with clamping jaw subassembly 4026, and support column 4025 realizes driving clamping jaw subassembly 4026 and realizes horizontal migration, and the unloading is gone up to help clamping jaw subassembly 4026.

As shown in fig. 8, the jaw assembly 4026 includes a cylinder 40261, and the cylinder 40261 provides motive power. The supporting plate 40262 is fixedly arranged below the air cylinder 40261, the air cylinder 40261 is provided with an output shaft 40267, the output shaft 40267 penetrates through the supporting plate 40262, one end of the output shaft 40267 is fixedly connected with the air cylinder 40261, the other end of the output shaft 40265 penetrates through the supporting plate 40262 and is fixedly provided with an I-shaped connecting piece 40265, and the output shaft 40267 is driven by the air cylinder 40261 to stretch and retract so as to realize the movement of the clamping jaw 40264. Forked connecting pieces 40266 are arranged at two ends of the I-shaped connecting piece 40265, one end of a forked connecting piece 40266 is hinged to the I-shaped connecting piece 40265, the middle of the forked connecting piece 40266 is hinged to the clamping jaw 40264, the surface of the clamping jaw 40264 is provided with an L-shaped lever 40263, one end of the L-shaped lever 40263 is hinged to the clamping jaw 40264, and the other end of the L-shaped lever 40263 is hinged to the supporting plate 40262.

When the feeding and discharging device works, a pin shaft to be processed in a feeding box 401 in a feeding and discharging assembly 4 falls between an arc-shaped bent plate and a bevel clamp 404 once, a limit spring 405 senses a little gravity and descends, then a conveying assembly 402 starts to act, firstly, a motor 4021 is controlled to start driving a lead screw 4022 to rotate, the lead screw 4022 drives a conveying belt 4023 to start to move forwards, the conveying belt 4023 moves forwards, a supporting column 4025 drives a clamping jaw assembly 4026 to start to move forwards, when the clamping jaw assembly 4026 is close to the position of the pin shaft to be processed, a displacement assembly 4024 starts to move, a displacement motor drives a rotating shaft 40241 to rotate, the rotating shaft 40241 rotates to drive a traction column 40242 to rotate, the traction column 40242 rotates, spheres at two ends of a horizontal movement column 40243 rotate in spherical grooves 40245 of the traction column 40242 and a horizontal sliding block 40244 moves to the left side, and the horizontal sliding block 40244 drives the supporting column 40244 to move to the left side, that is, the clamping jaw assembly 4026 moves to the left, after moving to the fixed position, that is, the position of the pin to be processed, the air cylinder 40261 starts working, the air cylinder 40261 drives the output shaft 40267 to extend outward, the output shaft 40267 drives the i-shaped connector 40265 to move outward, the i-shaped connector 40265 drives the forked connector 40266 to move outward, the movement of the forked connector 40266 causes the clamping jaw 40264 to have a tendency to move outward, but the L-shaped lever 40263 hinged to the middle section of the clamping jaw 40264 does not actually move outward, and the tail end of the clamping jaw 40264 is controlled to clamp inward. After the clamping jaw assembly 4026 clamps the pin shaft to be machined, the conveying assembly conveys the pin shaft to be machined to the conveying cylinder 303 of the control box 3, the pin shaft to be machined firstly makes full contact with the inner ring 301, then the conveying assembly 402 pushes the pin shaft to be machined to push the inner ring 301 to move forwards, the spring 3011 arranged on the surface of the ring body 3013 of the inner ring 301 is compressed due to the fact that the cap 3012 is in contact with the surface of the conveying cylinder 303 until the inner ring 301 reaches the position of the joint 304, the spring 3011 is released when meeting the through hole 3041, the cap 3012 extends into the through hole 3041, the original force application block 313 of the through hole 3041 is pushed outwards, the force application block 313 drives one end of the lever 306 to deviate in position, the balance of the triangular block is broken and inclined, the other end of the lever 306 moves inwards, and the clamping block 305 is pushed into the opening of the outer ring 302 by the other end of the lever 306 to contact with the pin shaft to be machined to fix the pin shaft. At this time, the rotating motor 312 starts to rotate, the notch disc 310 starts to rotate, when the operating rod 311 is in contact with the notch-free portion, the lever 306 keeps the original state and does not change, when the operating rod 311 is in contact with the notch portion of the notch disc 310, the operating rod 311 drives the lever 306 to change in displacement, the clamping block 305 extends out of the opening of the outer ring 302, the machined pin shaft is not clamped, and the clamping jaw assembly 4026 takes out the machined pin shaft from the conveying cylinder 303 again and puts the pin shaft into a finished product box.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article of commerce or system in which the element is comprised.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. The utility model provides a digit control machine tool is used in round pin axle processing with round pin axle limit function, includes lathe (1), lathe (1) includes the workstation, it is equipped with cutter (2) to slide on the workstation, a serial communication port, fixed controlling part case (3) of being equipped with before cutter (2), controlling part case (3) are fixed to be set up in the workstation left side, the cavity has been seted up in controlling part case (3), the cavity internal fixation is equipped with a conveying section of thick bamboo (303), a conveying section of thick bamboo (303) outer wall is seted up flutedly, it is equipped with the articulated slab to slide in the recess, controlling part case (3) rear side is equipped with unloading subassembly (4).

2. The numerical control machine tool for processing the pin shaft with the pin shaft limiting function according to claim 1, wherein a joint (304) is arranged at one end of the conveying cylinder (303), the joint (304) is fixedly connected with one end of the conveying cylinder (303), the circumferential radius of the joint (304) is equal to that of the conveying cylinder (303), a plurality of through holes (3041) are formed in the inner wall of the joint (304), a force application block (313) is arranged in the through holes (3041) in a sliding manner, the length, the width and the shape of the force application block (313) are all the same as those of the through holes (3041), one end of the force application block (313) is arranged in the through hole (3041), the other end of the force application block (313) is arranged outside the through hole (3041), a lever (306) is arranged at the other end of the force application block (313), an opening is formed at one end of the lever (306) close to the force application block (313), and one end of the force application block (313) far away from the through hole (3041) is hinged with the opening, the clamping device is characterized in that a clamping block (305) is arranged at one end, far away from a force application block (313), of the lever (306), an opening is formed in the surface of one end, close to the clamping block (305), of the lever (306), a hinged shaft is arranged between one end of the clamping block (305) and the lever (306), the hinged shaft is in sliding fit with the opening, the clamping block (305) is hinged to the lever (306) through the hinged shaft, an outer ring (302) is arranged at one end, far away from the lever (306), of the clamping block (305), an opening is formed in the surface of the outer ring (302), one end of the clamping block (305) extends into the opening of the outer ring (302), the outer ring (302) is fixedly arranged on the outer side of one end, far away from a joint (304), of a conveying cylinder (303), an opening communicated with the opening of the outer ring (302) is formed in the side wall, in contact with the outer ring (302), and the circumferential radius of the outer ring (302) is slightly larger than that of the conveying cylinder (303), and the opening formed on the surface of the outer ring (302) and the through hole (3041) formed on the inner wall of the joint (304) are not in a horizontal position, the openings formed on the surface of the outer ring (302) and the through holes (3041) formed on the inner wall of the joint (304) are in alternate positions, an inner ring (301) is arranged in one end, close to the outer ring (302), of the conveying cylinder (303), the inner ring (301) is in sliding fit with the conveying cylinder (303), and the circumferential radius of the inner ring (301) is slightly smaller than that of the conveying cylinder (303).

3. The numerical control machine tool for processing the pin shaft with the pin shaft limiting function according to claim 2, wherein a triangular block is fixedly arranged on one surface of the lever (306) facing the conveying cylinder (303), one end of the triangular block is hinged to a hinge plate, an operating rod (311) is arranged on the surface of the lever (306), one end of the operating rod (311) is fixed on the surface of the lever (306), a movable plate is arranged below one end of the operating rod (311) far away from the lever (306), the movable plate is fixedly connected with the operating rod (311), the surface of the movable plate is fixedly arranged on the control spring (308), one end of the control spring (308) far away from the movable plate is fixedly connected with a fixed plate, one end of the fixed plate far away from the control spring (308) is fixed on the outer wall of the conveying cylinder (303), a notch disc (310) is arranged at the other end of the operating rod (311), and the notch disc (310) is in contact with the operating rod (311), the surface of the notch disc (310) is provided with a trapezoidal opening.

4. The numerical control machine tool for machining the pin shaft with the pin shaft limiting function is characterized in that the inner ring (301) comprises a ring body (3013), a plurality of springs (3011) are fixedly arranged on the surface of the ring body (3013), a plurality of caps (3012) are fixedly arranged at one ends, far away from the ring body (3013), of the springs (3011), the caps (3012) are in contact with the inner wall of the conveying cylinder (303), a plurality of electric telescopic rods are fixedly arranged on the inner wall of the inner ring (301), and a clamping plate (3015) is fixedly arranged at one end, far away from the ring body (3013), of each electric telescopic rod.

5. The numerical control machine tool for processing the pin shaft with the pin shaft limiting function according to claim 1, wherein the feeding and discharging assembly (4) comprises a feeding box (401), the feeding box (401) is fixedly arranged on the wall of the control box (3), a bevel clamp (404) is obliquely arranged below the feeding box (401), the surface of the bevel part of the bevel clamp (404) is provided with a saw-tooth shape, a limiting spring (405) (3011) is fixedly arranged on the bottom surface of the bevel clamp (404), one end of the limiting spring (405) (3011) far away from the bevel clamp (404) is fixedly connected with a bottom pillar, the bottom pillar is fixedly arranged on the ground, a finished product box (403) is arranged on the right side of the bottom pillar, the finished product box (403) is arranged on the ground, a conveying assembly (402) is arranged on the right side of the finished product box (403), the conveying assembly (402) comprises a connecting rod, the connecting rod is arranged on the ground, and a lead screw (4022) is arranged at one end of the connecting rod far away from the ground, the screw rod (4022) is in running fit with the connecting rod, one end of the screw rod passes through the connecting rod to be connected to the wall of the control box (3) and is in running fit with the wall of the control box (3), one side of the connecting rod is provided with a chain wheel and a chain, the chain wheel is meshed with the chain, one end of the chain wheel is provided with a control motor (4021), a motor shell is fixedly arranged outside the control motor (4021), the motor shell is fixedly arranged on the connecting rod, the screw rod (4022) is externally provided with a transmission belt (4023), the transmission belt (4023) is in threaded fit with the screw rod (4022), the conveying belt (4023) comprises a sliding block and two sliding plates, the sliding block is sleeved on the screw rod (4022) and is in threaded fit with the screw rod (4022), the two sliding plates are fixedly connected to the upper end and the lower end of the sliding block, the surfaces of the two sliding plates are provided with openings, and a displacement assembly (4024) is arranged between the two sliding plates.

6. The numerical control machine tool for processing the pin shaft with the pin shaft limiting function according to claim 1, wherein the displacement assembly (4024) comprises a displacement motor, the displacement motor is fixedly arranged on the surface of the conveyor belt (4023), a motor output shaft is fixedly arranged at the output of the displacement motor, the motor output shaft is fixedly connected with a rotating shaft (40241), one end of the rotating shaft (40241) is fixedly connected with a traction column (40242), a first spherical groove (40246) is formed in the surface of one end, far away from the rotating shaft (40241), of the traction column (40242), a horizontal moving column (40243) is rotatably arranged in the first spherical groove (40246), one end, close to the traction column (40242), of the horizontal moving column (40243) is provided with a first spherical groove, the size of the first spherical groove is completely the same as that of the first spherical groove, and the first spherical groove is embedded in the first spherical groove (40246), the one end that pulls post (40242) is kept away from to horizontal migration post (40243) is equipped with the second spheroid, the second spheroid is equipped with second spherical recess (40245) outward, second spherical recess (40245) are fixed down and are equipped with horizontal slider (40244), the recess has been seted up to horizontal slider (40244) both sides, the width of recess equals with conveyer belt (4023) open-ended height just horizontal slider (40244) and conveyer belt (4023) sliding fit, horizontal slider (40244) below is fixed and is equipped with support column (4025), the one end that horizontal slider (40244) was kept away from in support column (4025) is fixed and is equipped with electric putter (3014), electric putter (3014) one end is fixed and is equipped with clamping jaw (40264) subassembly (4026).

7. The numerical control machine tool for machining the pin shaft with the pin shaft limiting function is characterized in that the clamping jaw (40264) assembly (4026) comprises a cylinder (40261), a supporting plate (40262) is fixedly arranged below the cylinder (40261), the cylinder (40261) is provided with an output shaft, the output shaft penetrates through the supporting plate (40262), one end of the output shaft is fixedly connected with the cylinder (40261) and the other end of the output shaft penetrates through the supporting plate (40262) to be fixedly provided with an I-shaped connecting piece (40265), one end of the forked connecting piece (40266) is hinged to the I-shaped connecting piece (40265) and the middle of the forked connecting piece (40266) is hinged to the clamping jaw (40264), the surface of the clamping jaw (40264) is provided with an L-shaped lever (40263), one end of the L-shaped lever (40263) is hinged to the clamping jaw (40264) and the other end of the L-shaped lever (40263) is hinged to the supporting plate (40262).