CN111438313A

CN111438313A - Ring rolling production line

Info

Publication number: CN111438313A
Application number: CN202010364647.8A
Authority: CN
Inventors: 饶涛
Original assignee: Chongqing Bishan Maoyu Machinery Manufacturing Co ltd
Current assignee: Chongqing Bishan Maoyu Machinery Manufacturing Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-07-24

Abstract

The invention belongs to the technical field of machining seamless metal rings, and particularly discloses a ring rolling production line which sequentially comprises a blank charging device, a blank heating device, a blank upsetting device, a blank punching device, a ring rolling machine and a conveying mechanism for the ring rolling machine, wherein a material guide slideway is connected between the blank heating device and the blank upsetting device, between the blank upsetting device and the blank punching device, and between the blank punching device and the ring rolling machine, the height of the starting end of the material guide slideway is higher than that of the tail end of the material guide slideway, and the width of the material guide slideway can only accommodate one ring piece to pass through. The invention aims to provide a ring rolling production line to solve the problem that a blank conveying device occupies a large space.

Description

Ring rolling production line

Technical Field

The invention belongs to the technical field of machining of seamless metal rings, and particularly discloses a ring rolling production line.

Background

The ring products have wide application in various fields of national economy, such as: flanges, gear rings, tires, etc. At present, the process flow of ring piece production is as follows: heating a steel blank, punching the heated blank by a press, and then sending the blank into a ring rolling machine for rolling by using a manipulator. The blank is rolled into a ring on a ring rolling machine.

In the production of the rolling ring, the blanks are usually conveyed using a conveyor belt. For example, the invention patent (publication number: CN109454465A) in china discloses a full-automatic intelligent ring forging production line, which includes a first continuous heating furnace, the heated steel billet is conveyed to a full-automatic oil press by a first conveying device to be forged into a blank, the blank after being manufactured is conveyed to a full-automatic numerical control ring rolling machine by a second conveying device to be rolled into a ring, the ring forging obtained by rolling into the ring is conveyed to a quenching bath by a third conveying device to be quenched by waste heat, the quenched ring forging is conveyed to a second continuous heating furnace by a fourth conveying device to be heat-treated, the heat-treated ring forging is conveyed to a rough turning operation flow line by a fifth conveying device to be rough turned, the rough turned ring forging is conveyed to an automatic flaw detector by a sixth conveying device to be subjected to flaw detection, and the qualified ring forging after flaw detection is conveyed to a finish turning operation flow line by a seventh conveying device to be subjected to finish turning.

Although the conveying device in the above scheme can transfer the ring blanks in batches, the conveying device still has the technical defects of large structure volume and large occupied space.

Disclosure of Invention

The invention aims to provide a ring rolling production line to solve the problem that a blank conveying device occupies a large space.

In order to achieve the purpose, the basic scheme of the invention is as follows: the ring rolling production line sequentially comprises a blank charging device, a blank heating device, a blank upsetting device, a blank punching device, a ring rolling machine and a conveying mechanism for the ring rolling machine, wherein a material guide slide way is connected between the blank heating device and the blank upsetting device, between the blank upsetting device and the blank punching device and between the blank punching device and the ring rolling machine, the starting end of the material guide slide way is higher than the tail end of the material guide slide way, and the width of the material guide slide way can only accommodate one ring piece to pass through.

The working principle and the beneficial effects of the basic scheme are as follows: 1. according to the technical scheme, the ring blanks are conveyed by adopting the material guide slide ways. Compare in prior art's conveyer, this technical scheme only utilizes the guide slide can realize the transport to the ring blank, and the guide slide has occupation space little, low in manufacturing cost's technical advantage.

2. According to the technical scheme, the self height of each process device is utilized, the gravitational potential energy of the blank is converted into kinetic energy by utilizing the material guide slide ways, the punched blank is rapidly transferred, the blank discharged from the furnace can rapidly reach the next processing process, and the transfer efficiency of the blank is improved. Compared with the conveying device in the prior art, the ring blank conveying device has the advantages that the ring blank can be conveyed without extra external power, energy is saved, and the efficiency is high

3. Because the ring blank is usually in a high-temperature state in the production process, the technical scheme utilizes the material guide slide way to convey the blank to ensure that an operator does not contact the blank with high temperature, so that the safety in the production process is ensured, and the problem that the operator is scalded by the high-temperature blank is avoided.

Further, the blank charging device comprises a charging box, the bottom of the charging box is fixedly connected with a hook, and the tail end of the hook faces downwards; the loading bin is characterized by further comprising a base, wherein the base is fixedly connected with a positioning cylinder which is connected with the hook in an inserting mode, and the base is further fixedly connected with a supporting column which is used for supporting the loading bin.

Has the advantages that: this technical scheme is through adopting the support column in order to realize the technological effect of putting charging box slope. Put through the slope of charging box, make the interior blank of charging box can be unified concentrate on charging box's low potential end one side, reduced the high convenient to use person who takes at blank place on the one hand, on the other hand has also realized utilizing gravity to concentrate the technical effect together with the blank. In addition, the positioning holes are utilized to realize the positioning effect on the charging box, so that the inclined placing stability of the charging box is improved.

Further, the blank heating device comprises a heating furnace, a conveying plate is fixedly connected to the inlet end of the heating furnace, a horizontally telescopic mechanism is fixedly connected to the conveying plate, and the telescopic end of the telescopic mechanism faces to one side close to the heating furnace.

Has the advantages that: according to the technical scheme, the function of automatically feeding the blanks into the heating furnace is realized through the telescopic mechanism. Compare and get the blank and put into the heating furnace in prior art's manual clamp, have higher work efficiency to have better security performance, effectively reduce the risk that operating personnel is burnt, scalded by the heating furnace.

Further, the blank upsetting device comprises a first workbench, a supporting seat is fixedly connected to the first workbench, a telescopic mechanism which can stretch in the vertical direction is fixed to the supporting seat, and an upsetting hammer is fixedly connected to the free end of the telescopic mechanism; the support seat is also fixedly connected with a cooling mechanism, and the output end of the cooling mechanism faces to the lower part of the upsetting hammer; the supporting seat is fixedly connected with a negative pressure fan.

Has the advantages that: this technical scheme is through add negative-pressure air fan on the supporting seat to the realization is to the clear away function of vapor. When cooling water is generated into steam when meeting high-temperature blanks, the steam can be quickly pumped out of the workbench under the action of the negative pressure fan, so that operators can always clearly observe the real-time situation of blank upsetting, and the safety in the production process is effectively improved.

Further, the negative pressure fan is embedded and fixedly connected to the supporting seat.

Has the advantages that: this technical scheme adopts the mode of inlaying to fix negative-pressure air fan on the supporting seat, can effectively reduce negative-pressure air fan's occupation space on the one hand, reduces the space occupation volume of whole device, and on the other hand fixes also makes negative-pressure air fan be close to the position that steam produced the source more in the supporting seat, effectively improves the cleanliness of high definition removal steam.

Further, the blank tapping device comprises a second workbench, a supporting seat is fixedly connected to the second workbench, a telescopic mechanism which can stretch in the vertical direction is fixed to the supporting seat, and a tapping hammer is fixedly connected to the free end of the telescopic mechanism.

Has the advantages that: according to the technical scheme, the ring blank is punched in a telescopic punching mode.

Further, a supporting table is fixed to the second workbench under the hole-opening hammer, a through hole is formed in the supporting table, and the inner diameter of the through hole is larger than the outer diameter of the hole-opening hammer.

Has the advantages that: this technical scheme has the brace table of through-hole through the fixing, and the brace table can play the effect of stable support to the blank on the one hand, and the through-hole on the brace table on the other hand also can hold the waste material that is blanked off, is convenient for subsequent concentrated recovery.

Further, ring rolling machine includes the frame, rotate respectively in the frame and be connected with drive roll, driven voller, guide roll and signal roller, still fixedly connected with backup pad in the frame, two slide structures of fixedly connected with in the backup pad, the axial both ends fixedly connected with square pole of signal roller, two square pole difference sliding connection is structural at the slide.

Has the advantages that: this technical scheme is through add the slide in the frame to the realization is to the free regulation of signal roller in the position. An operator can slide and adjust the signal roller according to the size of the outer diameter of the ring product, and the model range of the ring rolling machine for producing the ring is effectively expanded.

Further, the conveying mechanism for the ring rolling machine comprises a conveying belt, a collecting box is arranged right below the output end of the conveying belt, the upper portion of the collecting box is open, and a plurality of parallel chains are fixedly connected between the opposite side walls of the collecting box.

Has the advantages that: this technical scheme utilizes the chain to realize the cushioning effect to the ring blank, breaks away from the in-process that falls the collecting box on from the conveyer belt when the ring blank. The ring piece blank can drop on the chain, and the chain plays the effect of buffering to the ring piece blank, effectively avoids the ring piece blank to lead to the problem of product damage to take place because of freely falling.

Further, the output end of the conveying belt is fixedly connected with a sliding plate used for buffering blanks.

Has the advantages that: according to the technical scheme, the sliding plate is additionally arranged to further buffer the ring blank. When the ring blanks are detached from the conveyor belt they first fall onto a slide plate, which on the one hand has a guiding effect on the blanks and on the other hand also has the effect of reducing the speed in the vertical direction.

Drawings

FIG. 1 is a schematic front view of a ring rolling production line according to an embodiment of the present invention;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the continuous heating furnace comprises a charging box 101, a hanging lug 102, a supporting member 103, a hook 104, a supporting column 105, a positioning barrel 106, a stop block 107, a continuous heating furnace 201, a supporting frame 202, a conveying plate 203, a first telescopic oil cylinder 204, a push plate 205, a supporting leg 206, a first guide channel 207, a second guide channel 208, a third guide channel 209, a baffle 211, a first working platform 301, a first supporting seat 302, a second telescopic oil cylinder 03, a third telescopic oil cylinder 04, an upsetting hammer 305, a squeezing rod 306, an upsetting platform 307, a squeezing platform 308, a negative pressure fan 309, a positive pressure fan 310, a second working platform 401, a second supporting seat 402, a fourth telescopic oil cylinder 403, a bearing plate 404, a sliding rod 405, a compression spring 406, a hole-opening hammer 407, a rack 501, a driving roller 502, a driven roller 503, a guide roller 504, a signal roller 505, a rolling wheel 506, a supporting plate 507, a square supporting rod 508, a square rod 509, a conveying belt 601, a sliding plate 602, a collecting, Receiving rod 604, iron chain 605, pulley 606.

The embodiment is basically as shown in the attached figures 1 and 2: the ring rolling production line sequentially comprises a blank charging device, a blank heating device, a blank upsetting device, a blank punching device, a ring rolling machine and a conveying mechanism for the ring rolling machine.

The blank charging device includes a charging box 101, and the charging box 101 is a rectangular parallelepiped box structure, and the top of the charging box 101 is open. Three hangers 102 are fixedly welded on the side wall where each long edge of the charging box 101 is located, and the three hangers 102 are sequentially arranged on the side wall at equal intervals. The bottom of the charging box 101 is welded and fixed with a supporting member 103, and the extending direction of the supporting member 103 is parallel to the width direction of the charging box 101. The supporting member 103 is formed by sequentially connecting a first supporting portion, a second supporting portion and a third supporting portion. The first supporting part, the second supporting part and the third supporting part are integrally formed, and the thickness and the length of the first supporting part, the second supporting part and the third supporting part are equal. The bottom surface of the third supporting part is fixedly welded with a hook 104, and the tail end of the hook 104 faces to the oblique right lower part and is in a cylindrical structure. The lower part of the charging box 101 is provided with a base, and the top surface of the base is fixedly connected with a supporting column 105. The bottom of the supporting column 105 is coaxially fixed with a base plate, and the base plate and the base are fixed through bolt connection. The base is also fixedly connected with a positioning cylinder 106, the axial direction of the positioning cylinder 106 is vertical to the horizontal plane, and the top end of the positioning cylinder 106 is open. The inner cavity of the positioning cylinder 106 is matched with the tail end of the hook 104 in an inserting way. A stop block 107 is fixedly connected and welded on the top surface of the base in an inclined way.

The blank heating device comprises a continuous heating furnace 201, and a support frame 202 is fixedly connected to the bottom of the continuous heating furnace 201 through threads. The left end of the continuous heating furnace 201 is provided with a discharge hole, and the right end of the continuous heating furnace 201 is provided with a discharge hole. The side wall of the left end of the continuous heating furnace 201 is fixedly welded with a conveying plate 203 below the discharge hole, the left end of the conveying plate 203 is fixedly connected with a first telescopic oil cylinder 204 through threads, and the telescopic end of the first telescopic oil cylinder 204 horizontally and freely stretches towards the right side. The telescopic end of the telescopic cylinder is fixedly connected with a push plate 205 in a threaded manner, and the push plate 205 is vertical to the horizontal plane. The bottom end of the push plate 205 extends to the right to form a wedge-shaped protrusion, the upper surface of the wedge-shaped protrusion is an inclined surface, and the bottom surface of the wedge-shaped protrusion is attached to the surface of the conveying plate 203.

A material guide slideway is fixedly connected to the side wall at the right end of the continuous heating furnace 201. The material guiding chute comprises a first material guiding channel 207, a second material guiding channel 208 and a third material guiding channel 209. The first material guiding channel 207, the second material guiding channel 208 and the third material guiding channel 209 have the same thickness and width. The width of the material guiding slide can only accommodate the passing of one blank. The end of the first material guiding channel 207 is welded and fixed on the side wall right below the discharge port at the right end of the continuous heating furnace 201, and the first material guiding channel 207 is parallel to the horizontal plane. Two side walls of the first material guiding channel 207 are respectively fixed with a supporting leg 206 by bolts, the bottom end of the supporting leg 206 is fixed with a bottom plate by welding, and the bottom plate is abutted against the ground. The second material guide channel 208 is welded and fixed at the right end of the first material guide channel 207. The right end of the second material guiding channel 208 faces to the lower right relative to the first material guiding channel 207, and the right end of the second material guiding channel 208 is abutted against the bottom surface. A third material guide channel 209 is fixedly welded at the right end of the second material guide channel 208, the third material guide channel 209 is parallel to the horizontal plane, and the third material guide channel 209 is horizontally placed on the horizontal plane. A baffle 211 for closing the third material guide channel 209 is fixed to the right end of the third material guide channel 209 by welding. The right end of the third guide way 209 is located right below the blank upsetting device.

The blank upsetting device comprises a first workbench 301, wherein a first supporting seat 302 is fixedly welded at the top of the first workbench 301, and the top end of the first supporting seat 302 extends outwards. A second telescopic cylinder and a third telescopic cylinder are respectively and fixedly connected to the bottom surface of the outward extending structure of the first supporting seat 302. An upsetting hammer 305 is coaxially and threadedly fixed on the telescopic end of the second telescopic cylinder, the upsetting hammer 305 is of a cylindrical structure, and the bottom surface of the upsetting hammer 305 is a plane. An extrusion rod 306 with a cylindrical structure is coaxially fixed on the telescopic end of the third telescopic oil cylinder through threads. An upsetting table 307 is bolted to the first table 301 directly below the upsetting hammer 305, and the top surface of the upsetting table 307 is a flat surface. The first workbench 301 is fixed with an extrusion table 308 under the extrusion rod 306 by bolts, a cylindrical groove cavity is formed in the center of the extrusion table 308, and the inner diameter of the groove is larger than the outer diameter of the extrusion rod 306. The top of the first supporting seat 302 is fixedly connected with a cooling water tank, the bottom end of the cooling water tank is respectively communicated with two cooling pipes, and the bottom ends of the cooling pipes are respectively close to the upper parts of the upsetting platform 307 and the extrusion container.

A through hole is further formed in the top surface of the first workbench 301 between the two support columns 105, and a negative pressure air fan 309 is fixedly embedded in the through hole. The negative pressure fan 309 is operated in a direction to draw air away from the upsetting hammer 305 and the pressing rod 306. The side wall of the first workbench 301 is also fixedly connected with a positive pressure fan 310, and the height of the air blown by the positive pressure fan 310 is above the first workbench 301. The right end of the first workbench 301 is fixedly connected with a material guide slideway, and the output tail end of the material guide slideway is positioned right below the blank hole forming device.

The blank tapping device comprises a second workbench 401, a second support seat 402 is fixedly welded to the top of the second workbench 401, and the top end of the second support seat 402 extends outwards. A fourth telescopic cylinder 403 is fixedly connected to the bottom surface of the outward extending structure of the second support base 402. The telescopic end of the fourth telescopic cylinder 403 faces downward and is telescopic in the vertical direction, and the free end of the fourth telescopic cylinder 403 is in threaded connection with a bearing plate 404. Sliding holes are formed in the left end and the right end of the bearing plate 404, sliding rods 405 are fixedly welded to the positions of the two sliding holes on the second workbench 401, and the two sliding rods 405 are respectively connected to the sliding holes in a sliding mode. The sliding rod 405 is coaxially sleeved with a compression spring 406, the top end of the compression spring 406 is fixedly inserted into the bottom surface of the bearing plate 404, the bottom end of the compression spring 406 is fixedly inserted into the top surface of the second workbench 401, and when the compression spring 406 is in a free state, the fourth telescopic cylinder 403 is in a minimum contracted state. The bottom end of the carrier plate 404 is threadedly connected with a tapping hammer 407. The tapping hammer 407 is coaxial with the telescopic rod of the fourth telescopic cylinder 403, the main body of the tapping hammer 407 comprises two parts from top to bottom, the upper half part of the tapping hammer 407 is of a cylindrical structure, the lower half part of the tapping hammer 407 is of an inverted circular truncated cone structure, and the outer diameter of the lower bottom of the circular truncated cone of the lower half part of the tapping hammer 407 is equal to the outer diameter of the cylinder of the upper half part of the tapping hammer 407. A support table is bolted to the second table 401 directly below the hammer 407, and the top surface of the support table is a flat surface. The top surface of the support platform is provided with a circular through hole which is coaxial with the hole opening hammer 407, and the inner diameter of the through hole is larger than the outer diameter of the hole opening hammer 407. The right end of the second workbench 401 is fixedly connected with a material guide slideway, and the tail end of the output of the material guide slideway is positioned right below the ring rolling machine.

The ring rolling machine comprises a frame 501, wherein a driving roller 502, a driven roller 503, a guide roller 504 and a signal roller 505 are respectively and rotatably connected to the outer wall of the frame 501. The right side of the frame 501 is provided with a driving motor, the output end of the driving motor is connected with a speed reducer, and the output end of the speed reducer is coaxially and fixedly connected to the driving roller 502. A telescopic device for controlling the radial movement of the drive roll 502 is also fixedly connected to the drive roll 502. The free end of the driving roll 502 is coaxially and fixedly connected with a rolling wheel 506, the outer wall of the rolling wheel 506 is provided with an annular groove, and the cross section of the annular groove is of a rectangular structure. The driven roller 503 is located right below the drive roller 502, and the axis of the driven roller 503 and the axis of the drive roller 502 are located in the same vertical direction. The driven roller 503 includes a first mounting portion, a rolling portion, and a second mounting portion. The first installation part is of a small cylinder structure, the rolling part is of a large cylinder structure, the second installation part is of a circular table structure, and the outer diameter of the second installation part close to the rolling ring part is larger than that of the first installation part. And the first mounting part, the rolling part and the second mounting part are integrally formed.

The sliding seat is fixedly connected to the rack 501 and comprises a supporting plate 507, the end portion of the supporting plate 507 is welded and fixed to the side wall of the rack 501, four square supporting rods 508 are welded and fixed to the side wall of the supporting plate 507, and the four square supporting rods 508 are evenly arrayed on the supporting plate 507 along a rectangle. The four square support rods 508 are parallel to each other, and the axial direction of the square support rods 508 forms an included angle with the horizontal plane. The signal roller 505 is fixedly connected with square rods 509 at both axial ends, and the square rods 509 at both ends are respectively connected in a sliding manner in gaps between adjacent square support rods 508.

The conveying mechanism for the ring rolling machine comprises a chain type conveying belt 601, and the left end of the conveying belt 601 is an input end. The left end of the conveyor belt 601 is located right below the ring rolling mill, and the right end of the conveyor belt 601 is an output end. The input end of the conveyor belt 601 is at a lower elevation than the output end of the conveyor belt 601. The output end of conveyer belt 601 is equipped with slide 602, and the both ends of slide 602 are respectively outwards extended respectively has the link plate, and every link plate articulates respectively on the lateral wall of conveyer belt 601 both sides. A collection box 603 is provided directly below the slide plate 602. The collecting box 603 is of a cuboid structure, the top of the collecting box 603 is open, and four corners of the bottom end of the collecting box 603 are respectively fixed with a pulley 606 through threads. Two opposite upper side walls of the collecting box 603 are respectively welded and fixed with a hanging ring. On top of the collecting chamber 603 two receiving rods 604 are fixed parallel to each other. Seven auxiliary hanging lugs 102 are sequentially welded and fixed on the outer wall of one receiving rod 604, and an iron chain 605 is respectively hooked and fixed on the seven auxiliary hanging lugs 102. The end of the iron chain 605 far away from the hanging lug 102 is fixedly connected with a slip ring which is coaxially and slidably connected with another receiving rod 604 without the auxiliary hanging lug 102. The length of the iron chain 605 is greater than the spacing between the two receiving rods 604. The axial length of the receiving rod 604 is greater than the length of the same side of the collecting chamber 603.

The input end of the conveyor belt 601 is located directly below the ring rolling machine. The right end of the conveyor belt 601 is an output end. The input end of the conveyor belt 601 is at a lower elevation than the output end of the conveyor belt 601. The side wall of the conveyor belt 601 is fixedly connected with a stop lever, the stop lever is positioned right above the conveyor belt 601, and the axial direction of the stop lever is perpendicular to the conveying direction of the conveyor belt 601. A sliding plate 602 for buffering the blank is welded and fixed at the output end of the conveyor belt 601. A collection box 603 is provided directly below the slide plate 602. The collecting box 603 is of a cuboid structure, the top of the collecting box 603 is open, and four corners of the bottom end of the collecting box 603 are respectively fixed with a pulley 606 through threads. Two opposite upper side walls of the collecting box 603 are respectively welded and fixed with a hanging ring. On top of the collecting chamber 603 two receiving rods 604 are fixed parallel to each other. Seven hanging lugs 102 are sequentially welded and fixed on the outer wall of one receiving rod 604, and an iron chain 605 is respectively hooked and fixed on the seven hanging lugs 102. The end of the iron chain 605 far away from the hanging lug 102 is fixedly connected with a slip ring which is coaxially and slidably connected with another receiving rod 604 without the hanging lug 102. The length of the iron chain 605 is greater than the spacing between the two receiving rods 604.

The specific implementation process is as follows: the operator first pours the ring blanks into the charging box 101 and then hooks them onto the lugs 102 of the charging box 101 using the existing lifting device. The charging box 101 is then transported to the base by means of the lifting device. During the process of putting the charging box 101 into the base, the bottom of the right end of the charging box 101 first abuts against the corner between the baffle 211 and the base, and the right outer wall of the charging box 101 completely abuts against the left outer wall of the baffle 211. After the charging box 101 completely abuts against the shutter 211, the left end of the charging box 101 is gradually placed downward with the right end of the charging box 101 as a fulcrum. During the lowering of the left end of the charging box 101, the supporting member 103 of the charging box 101 gradually approaches the supporting column 105 until the hook 104 is aligned with and inserted into the positioning cylinder 106. After the hook 104 is inserted into the positioning cylinder 106, the hanging lug 102 is disengaged, and the support member 103 finally falls onto the support column 105 by the left end of the charging box 101 under the action of gravity. After the material loading box 101 is stably fixed, the material loading box 101 is in an inclined state, and the ring blanks inside the material loading box 101 in the inclined state can be intensively dropped into the lower right corner of the material loading box 101, so that the operators can take materials subsequently.

The ring blank is then placed vertically on the surface of the transport plate and the first telescopic cylinder 204 is then activated to extend to the right. The push plate 205 moves to the right side by the push of the first telescopic cylinder 204. The ring blank is pushed by the push plate 205 from the discharge port into the interior of the continuous heating furnace 201. During the movement of the push plate 205, the wedge at the bottom of the push plate 205 will scoop up the blank with higher stability and send the blank into the discharge port of the continuous heating furnace 201. And then, heating the ring blank in the continuous heating furnace 201 for a certain time until the blank meets the index of subsequent processing. Then, a discharge port of the heating furnace is opened, the blank leaves from the discharge port and enters a first guide channel 207 of a guide slide way, then rolls from the first guide channel 207 to a second guide channel 208, and the blank converts the gravitational potential energy of the blank into kinetic energy to move under the guiding action of the second guide channel 208. And finally, the blank enters the third material guide channel 209 from the second material guide channel 208, and stops moving under the blocking action of the baffle 211 of the third material guide channel 209, and finally the heated blank is transferred to a blank upsetting device.

The operator then places the heated blank on the upset station 307 with the center of the blank directly below the upset hammer 305. Then, the cooling pipe is opened to allow the cooling water to flow out, and the negative pressure fan 309 and the positive pressure fan 310 are simultaneously started. Then the second telescopic oil cylinder is started, and the upsetting hammer 305 is driven by the second telescopic oil cylinder to upset the blank. The cooling water can generate a large amount of water vapor in the process of cooling the high-temperature blank, and the water vapor is drawn away from the back of the workbench under the blowing action of the negative pressure fan 309 and the positive pressure fan 310 together, so that the technical effect of avoiding the influence of the water vapor on the observation of the upsetting condition of an operator is realized. After the upsetting is completed, the operator places the billet right below the extrusion table 308, then starts the third telescopic cylinder, and the extrusion rod 306 extrudes a concave groove with a cylindrical structure to the billet under the action of the third telescopic cylinder. And finally, putting the extruded blank on a material guide slideway, and rolling the blank to a blank hole opening device under the guiding action of the material guide slideway.

The blank is then placed on the support table with the blank directly under the perforating hammer 407. Then the fourth telescopic cylinder 403 and the hole opening hammer 407 move vertically downwards under the drive of the fourth telescopic cylinder 403. During the movement of the tapping hammer 407, the bearing plate 404 is slidably connected on the sliding rod 405, and the sliding rod 405 guides the bearing plate 404. When the punch hammer 407 punches the blank, the punch hammer 407 performs a hole expanding process and then a punching process. After the hole is opened by the hole-opening hammer 407, the waste material punched out from the blank falls into the through hole of the support platform. The carrier plate 404 is then moved upward and repositioned with the assistance of the compression spring 406 to finally complete the tapping of the blank. And then, putting the blank subjected to hole opening on a material guide slideway, and rolling the blank to the ring rolling machine under the guiding action of the material guide slideway.

The ring blank is then placed on the follower rollers 503 of the ring rolling machine and before starting the ring rolling machine, the operator adjusts the position of the signal roller 505 and the signal roller 505 slides between the two square bars 509 on the square support bar 508. By moving the position of the signal roller 505, the distance between the signal roller 505 and the driven roller 503 is adjusted, and the technical effect of adjusting the processing size of the ring is achieved. The driving motor is started, the rolling wheel 506 is driven by the driving motor to rotate circumferentially at a high speed, and then the rolling wheel 506 moves towards the direction close to the driven wheel under the action of the telescopic device. As the rolling wheel 506 approaches, the wall thickness of the ring blank decreases and the inner and outer diameters increase. During this process, the guide roller 504 is always in contact with the outer wall of the ring blank. Along with the increase of the outer diameter of the ring blank, until the outer wall of the ring abuts against the signal roller 505, the signal roller 505 sends a signal after being contacted to return the rolling wheel 506, and finally the purpose of finishing the rolling is achieved.

After the ring rolling is completed, the ring member is placed on the conveyor belt 601, and the ring member blank gradually moves to the right and upwards along with the chain conveyor belt 601. During transport on the conveyor belt 601, the ring blanks pass the stop bar, which stops the ring blanks at a height above the stop bar until the blanks fall down and can pass the stop bar. The ring blank then falls off the conveyor belt 601 and falls first on the slide 602 at the end of the conveyor belt 601. The slide plate 602 will act as a buffer for the fallen ring blanks, which then slide down guided by the slide plate 602 into the collecting box 603. When the ring blanks fall in the collecting bin 603, they will first fall onto the chain 605. The iron chains 605 will act as a secondary barrier buffer for the ring blanks, which will eventually fall out of the gap between two adjacent iron chains 605 and eventually into the collecting box 603. Finally, after the collection is completed, the operator pushes the collection box 603, and the collection box 603 transports and conveys the ring blanks under the driving of the pulley 606.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.

Claims

1. The ring rolling production line comprises a blank charging device, a blank heating device, a blank upsetting device, a blank tapping device, a ring rolling machine and a conveying mechanism for the ring rolling machine in sequence, and is characterized in that: the blank heating device is connected with the blank upsetting device, the blank upsetting device is connected with the blank punching device, and the blank punching device is connected with the ring rolling machine, a material guide slideway is connected between the blank heating device and the blank upsetting device, the blank punching device and the blank punching device, the starting end of the material guide slideway is higher than the tail end of the material guide slideway, and the width of the material guide slideway can only accommodate one ring piece to pass through.

2. The ring rolling production line of claim 1, wherein: the blank charging device comprises a charging box, the bottom of the charging box is fixedly connected with a hook, and the tail end of the hook faces downwards; the loading bin is characterized by further comprising a base, wherein the base is fixedly connected with a positioning cylinder which is connected with the hook in an inserting mode, and the base is further fixedly connected with a supporting column which is used for supporting the loading bin.

3. The ring rolling production line of claim 1, wherein: the blank heating device comprises a heating furnace, a conveying plate is fixedly connected to the inlet end of the heating furnace, a horizontally telescopic mechanism is fixedly connected to the conveying plate, and the telescopic end of the telescopic mechanism faces to one side close to the heating furnace.

4. The ring rolling production line of claim 1, wherein: the blank upsetting device comprises a first workbench, a supporting seat is fixedly connected to the first workbench, a telescopic mechanism which can stretch in the vertical direction is fixed to the supporting seat, and an upsetting hammer is fixedly connected to the free end of the telescopic mechanism; the support seat is also fixedly connected with a cooling mechanism, and the output end of the cooling mechanism faces to the lower part of the upsetting hammer; the supporting seat is fixedly connected with a negative pressure fan.

5. The ring rolling production line of claim 4, wherein: the negative pressure fan is embedded and fixedly connected to the supporting seat.

6. The ring rolling production line of claim 1, wherein: the blank tapping device comprises a second workbench, a supporting seat is fixedly connected to the second workbench, a telescopic mechanism which stretches in the vertical direction is fixed to the supporting seat, and a tapping hammer is fixedly connected to the free end of the telescopic mechanism.

7. The ring rolling production line of claim 6, wherein: a supporting table is fixed to the second workbench under the hole-opening hammer, a through hole is formed in the supporting table, and the inner diameter of the through hole is larger than the outer diameter of the hole-opening hammer.

8. The ring rolling production line of claim 1, wherein: the ring rolling machine comprises a rack, a driving roller, a driven roller, a guide roller and a signal roller are respectively connected to the rack in a rotating mode, a supporting plate is fixedly connected to the rack, two slideway structures are fixedly connected to the supporting plate, square rods are fixedly connected to two axial ends of the signal roller, and the square rods are respectively connected to the slideway structures in a sliding mode.

9. The ring rolling production line of claim 1, wherein: the conveying mechanism for the ring rolling machine comprises a conveying belt, a collecting box is arranged right below the output end of the conveying belt, an opening is formed above the collecting box, and a plurality of parallel chains are fixedly connected between the opposite side walls of the collecting box.

10. The ring rolling production line of claim 9, wherein: and the output end of the conveying belt is fixedly connected with a sliding plate for buffering blanks.