CN208866337U

CN208866337U - Cold headers are used in bearing roller production

Info

Publication number: CN208866337U
Application number: CN201920248342.3U
Authority: CN
Inventors: 郑连华
Original assignee: Linqing Wanhe Bearing Co Ltd
Current assignee: Linqing Wanhe Bearing Co Ltd
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2019-05-17
Anticipated expiration: 2029-02-27

Abstract

The utility model relates to a kind of bearing roller production cold headers, belong to bearing roller processing technique field, including cold headers ontology, driving device is provided on the cold headers ontology, feeding device, cut material device, cold-heading device and discharging device, wherein, the cold-heading device includes the plunger mechanism connecting with driving device and the cold upsetting die of car seat matched with plunger mechanism, the cold upsetting die of car seat is provided with ejecting mechanism far from the side of plunger mechanism, the side of the cold upsetting die of car seat is provided with feeding device and cutting machine structure, side of the cold upsetting die of car seat far from feeding device is arranged in the discharging device, the top of the cold upsetting die of car seat is provided with clamp transport mechanism, the utility model is by improving existing cold headers, cold-heading molding of traditional roller is set to be changed to multiple cold-heading molding, and then it avoids The generation of blank roller burr and annulus is finally reached to reduce production technology and improves production efficiency, save production cost, reduce resource consumption, the purpose of environmental protection and energy saving.

Description

Cold headers are used in bearing roller production

Technical field

The utility model belongs to bearing roller processing technique field more particularly to cold headers are used in a kind of production of bearing roller.

Background technique

Bearing (bearing) be it is a kind of apply on rotating mechanism, for supporting, reduce friction and bear load portion Part.Roller is one group of essential part of Bearing inner, the technique exclusively for large scale specification bearing and design, roller For bearing since section is small, bearing capacity is high, and deformation is small, is applicable in high load capacity, high-speed cruising, low vibration and mute occasion, simultaneously The products radial large carrying capacity, roller are linearly contacted with raceway, and suitable for absorbing impact load, the service life is long.Roller simultaneously For bearing also due to outer dimension is compact, intensity is big, and bearing capacity is stronger, and rated speed is high, and precision is high, thus is widely used in each A high-end field.

Roller bearing is the rolling bearing for making rolling element with short cylindrical, circular cone or drum-shaped roller.Mainly there is centripetal short circle The structural shapes such as column roller, double-row spherical roller, taper roller and thrust roller.Roller is the important portion of roller bearing Part, processing quality affect the quality of roller bearing.The processing method of traditional roller mainly comprise the steps that blank at Type → deburring or annulus → buffing roller surface → buffing Double End → pyrolysis certainly → preceding corase grinding rolling surface → corase grinding Double End → Roughly grind afterwards rolling surface → end grind Double End → is thin, grind rolling surface → microstoning rolling surface → cleaning eventually, uninteresting → final inspection appearance, Size grouping → oiling packaging and other steps, process are relatively complicated.

Cold-heading is using mold at normal temperature to the forging method of metal bar material jumping-up (being often gathering stock) forming.Usually For manufacturing the head of screw, bolt, rivet etc..It can reduce or replace machining.Currently, the hair of existing bearing roller Base molding procedure is mainly completed by cold headers, its working principle is that bar is by one fixed length of feeding mechanism automatic feed Degree, cutting mechanism cut into blank, is then successively sent by clamp transport mechanism to punching station, then again formed punch by blank Punching press enters in mold, most ejects afterwards through ejecting mechanism to get roller blank is arrived.

Although roller blank can be obtained using traditional cold headers, due to the existing equipment condition and just now limit of quality It makes, after cold-heading molding, always has more an annulus in the big end of blank roller, and this annulus must be eliminated before mill is processed Fall, elimination annulus is mostly used to be cut up to the string of more than ten hour or even tens hours.This method production cycle is long, and disappears Auxiliary material is consumed, increases cost, working condition is poor, and has biggish pollution to environment, and then increases being produced into for enterprise This.

Utility model content

The utility model is directed to the existing technical problem of above-mentioned bearing roller processing, proposes that a kind of design is reasonable, ties Structure is simple, easy to process and blank roller good forming effect and the bearing roller production cold-heading that can reduce roller manufacturing procedure Machine.

In order to achieve the above object, the technical solution adopted in the utility model is that the utility model provides a kind of bearing rolling Son, which produces, uses cold headers, including cold headers ontology, and driving device, feeding device are provided on the cold headers ontology, cuts material dress It sets, cold-heading device and discharging device, wherein the cold-heading device includes the plunger mechanism connecting with driving device and and formed punch The cold upsetting die of car seat that mechanism matches, the cold upsetting die of car seat is provided with ejecting mechanism far from the side of plunger mechanism, described cold The side of upsetting mold base is provided with feeding device and cutting machine structure, and the discharging device setting is in cold upsetting die of car seat far from charging The side of device, the top of the cold upsetting die of car seat are provided with clamp transport mechanism, at least set on the cold upsetting die of car seat 4 die holes being arranged along feeding device to discharging device direction are equipped with, the clamp transport mechanism includes being arranged in cold heading die Have the clamp seat above seat and the clamp of clamp seat front end is set, the clamp is arranged close to plunger mechanism, the clamp It is equipped with die hole, drive shaft is provided at the top of the clamp, driving gear, the folder are set in the drive shaft The fixation gear that the top setting of clamp block is matched with driving gear, the fixed gear are engaged with driving gear, the driving Drive rod is further sleeved on axis, the drive rod links together adjacent clamp, and described drive rod one end is in driving device It connects, fixed ring is further sleeved in the drive shaft, the upper and lower ends of drive rod are arranged in the fixed ring, and the fixed ring turns On the driving shaft, the fixed ring is provided with rotation axis far from the side of drive shaft, and the rotation axis is rotatably arranged on for dynamic setting In clamp seat.

Preferably, being provided with 6 molds being arranged along feeding device to discharging device direction on the cold upsetting die of car seat Hole.

Compared with prior art, it is the advantages of the utility model with good effect,

1, the utility model is changed to cold-heading molding of traditional roller more by improving to existing cold headers Secondary cold-heading molding, and then the generation of blank roller burr and annulus is avoided, to reduce production technology, it is finally reached and mentions High efficiency saves production cost, reduces resource consumption, the purpose of environmental protection and energy saving.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings Obtain other attached drawings.

Fig. 1 is the structural schematic diagram for the bearing roller production cold headers that embodiment 1 provides；

Fig. 2 is the structural schematic diagram for the cold-heading device that embodiment 1 provides；

In above each figure, 1, cold headers ontology；2, feeding device；3, cold-heading device；31, plunger mechanism；32, cold upsetting die of car Seat；321, die hole；33, ejecting mechanism；4, clamp transport mechanism；41, clamp seat；42, clamp；43, drive shaft；44, it drives Gear；45, fixed gear；46, drive rod；47, fixed ring；48, rotation axis；5, discharging device.

Specific embodiment

It is with reference to the accompanying drawing and real in order to be more clearly understood that the above objects, features, and advantages of the utility model Example is applied to be described further the utility model.It should be noted that in the absence of conflict, embodiments herein and reality The feature applied in example can be combined with each other.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical Novel to be implemented using other modes described herein are different from, therefore, the utility model is not limited to be described below The limitation of the specific embodiment of specification.

Embodiment 1, as shown in Figure 1 and Figure 2, the present embodiment aim to solve the problem that in existing bearing roller production technology, because of cold-heading work The technical problem that technique caused by sequence is cumbersome, elapsed time is long, resource loss is big, for this purpose, the present embodiment is to existing cold headers It is improved, specifically, bearing roller production cold headers, including cold headers ontology 1 provided in this embodiment, in cold-heading It is provided with driving device, feeding device 2 on machine ontology 1, cuts material device, cold-heading device 3 and discharging device 5, wherein driving device For providing power required for cold-heading process, expect that device and cold-heading device 3 are connect with cutting；Feeding device 2 is for bar Conveying；Material device is cut to be used to bar cutting end；Cold-heading device 3 is then for being stamped and formed out, for this purpose, cold-heading device 3 includes and driving The plunger mechanism 31 of device connection and the cold upsetting die of car seat 32 matched with plunger mechanism 31, are arranged in cold upsetting die of car seat 32 There is the die hole 321 matched with punch device, the side of plunger mechanism 31 is provided with ejector in cold upsetting die of car seat 32 Structure 33 is provided with clamp transport mechanism 4 in the top of cold upsetting die of car seat 32, in this way, plunger mechanism 31 is by clamp conveyer The bar that structure 4 clamps is stamped into the mold in die hole 321, after die deformation, blank is obtained, finally, through ejecting mechanism 33 eject blank out of mold, finally, being delivered to outside cold headers ontology 1 through discharging device 5, that is, complete the processing work of blank Skill is provided with feeding device 2 and cutting machine structure in the side of cold upsetting die of car seat 32, and discharging device 5 is arranged in cold upsetting die of car seat 32 sides far from feeding device 2, the above structure is existing common structure, for this purpose, in the present embodiment, being not added and retouching in detail It states.

In view of conventional roller blank is all once to be stamped to form, and being once stamped to form is also that annulus or burr generate The main reason for, for this purpose, it is that traditional being once stamped and formed out is changed to Multi-step forming that the present embodiment emphasis, which improves thought, exist in this way It during punching press, gradually polishes, and then eliminates burr or annulus, for this purpose, at least provided with 4 edges on cold upsetting die of car seat 32 The die hole 321 that feeding device 2 is arranged to 5 direction of discharging device is provided with 6 die holes 321, i.e., in the present embodiment altogether It is provided with 6 molds altogether, it should be noted that the inner diameter size of 6 molds is to gradually decrease, due to the increase of die hole 321, Formed punch on certain plunger mechanism 31 is also changed to existing six by traditional one, equally, the mandril of ejecting mechanism 33 also by One becomes six.

In view of the difficult point that one section of bar is subjected to six punching presses be that clamp transport mechanism 4 how to realize by bar according to It is secondary to be placed into different die holes 321, for this purpose, the clamp transport mechanism 4 provided in the present embodiment includes being arranged in cold upsetting die of car The clamp seat 41 of 32 top of seat and the clamp 42 that 41 front end of clamp seat is arranged in, clamp seat 41 is whole to be set in rectangular frame-type structure It sets, is namely provided with clamp 42 out close to the direction of plunger mechanism 31 in its leading portion, in the present embodiment, clamp 42 includes two Root claw beam arranged side by side and include clamp box at the top of claw beam, is provided with rebound spring between clamp box and claw beam, Two claw beams can be moved towards in clamp box, in this way, being achieved that the division between two claw beams, be arranged in the bottom of claw beam There is holding tank, the edge of holding tank does chamfering setting, and the purpose being arranged so mainly facilitates bar to extend into holding tank, into And it clamps.In the present embodiment, clamp 42 is equipped with die hole 321, that is, is also provided with 6 clamps 42, is worked as ejecting mechanism 33 when ejecting bar, clamped 42 will clamp.

In order to be able to enter bar in next mold, any one clamp 42 is needed to need at its adjacent two It is moved between die hole 321, for this purpose, in the present embodiment, being provided with drive shaft 43 at the top of clamp 42, drive shaft 43 is fixed At the top of clamp box, driving gear 44, top setting and driving 44 phase of gear of clamp seat 41 are set in drive shaft 43 The fixation gear 45 of cooperation, fixed gear 45 are engaged with driving gear 44, and the main purpose of driving gear 44 is exactly by clamp 42 Realize 180 ° of overturnings, for this purpose, only adjacent with driving gear 44 side setting is with teeth for driving gear 44, and it is same to fix gear 45 Sample in this way, driving gear 44 when relatively fixed gear 45 is moved, and then realizes the overturning of clamp 42, in order to realize The movement of gear 44 is driven, meanwhile, it is the round-trip flip-flop movement between two adjacent die holes 321 of clamp 42, in drive shaft Drive rod 46 is further sleeved on 43, drive rod 46 links together 6 clamps 42, and 46 one end of drive rod connects in driving device It connecing, drive rod 46 realizes back and forth movement under the movement of driving device, and it cuts material device and equally also moves reciprocatingly, in this way, Under the cooperation of drive rod 46 and driving gear 44, the turning between two adjacent die holes 321 back and forth of clamp 42 is realized Transhipment is dynamic.

In order to realize the round-trip flip-flop movement of clamp 42.It also needs for clamp 42 to be fixed relative to clamp seat 41, is This, is further sleeved with fixed ring 47 in drive shaft 43, and the upper and lower ends of drive rod 46 are arranged in fixed ring 47, and fixed ring 47 rotates It is arranged in drive shaft 43, the purpose being arranged in this way is able to solve the turning problem of clamp 42, in fixed ring 47 far from drive shaft 43 side is provided with rotation axis 48, and rotation axis 48 is rotatably arranged in clamp seat 41, the purpose being arranged in this way, it is ensured that in fixation In the case where, it is able to solve the problem that clamp 42 moves between two neighboring die hole 321.

It by above-mentioned setting, is extend into cold headers ontology 1 when bar passes through feeding device 2, cuts material device by close Clamp 42 clamp, cut material device and cut bar, clamp 42 under the action of drive rod 46 and driving gear 44, Overturning and mobile is realized, in this way, formed punch pours bar in mold, and then realizes the molding of blank, in this way, and passing through one Secondary punching course, but make any one bar all and have passed through six punching presses, thus the problem of eliminating burr and annulus, this Sample, the time in identical punching press do not have the generation of annulus or burr using the blank that cold headers provided in this embodiment produce, And then a large amount of time is eliminated, the production efficiency of enterprise is improved, production cost is reduced.

The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent The equivalent embodiment of variation is applied to other fields, but all without departing from the content of the technical scheme of the utility model, according to this reality With novel technical spirit any simple modification, equivalent variations and remodeling to the above embodiments, it is practical new to still fall within this The protection scope of type technical solution.

Claims

1. a kind of bearing roller production cold headers, including cold headers ontology, be provided on the cold headers ontology driving device, Feeding device cuts material device, cold-heading device and discharging device, wherein the cold-heading device includes rushing of connecting with driving device Head mechanism and the cold upsetting die of car seat matched with plunger mechanism, the cold upsetting die of car seat are provided with far from the side of plunger mechanism Ejecting mechanism, the side of the cold upsetting die of car seat are provided with feeding device and cutting machine structure, and the discharging device is arranged cold The top of side of the upsetting mold base far from feeding device, the cold upsetting die of car seat is provided with clamp transport mechanism, feature It is, the die hole being arranged along feeding device to discharging device direction on the cold upsetting die of car seat at least provided with 4, the folder Clamping transport mechanism includes the clamp seat being arranged in above cold upsetting die of car seat and the clamp that clamp seat front end is arranged in, the clamp It is arranged close to plunger mechanism, the clamp is equipped with die hole, and drive shaft, the driving are provided at the top of the clamp Driving gear, the fixation gear that the top setting of the clamp seat is matched with driving gear, the fixed tooth are set on axis Wheel is engaged with driving gear, and drive rod is further sleeved in the drive shaft, and the drive rod links together adjacent clamp, Described drive rod one end is connected in driving device, and fixed ring is further sleeved in the drive shaft, and the fixed ring setting is driving The upper and lower ends of bar, the fixed ring are rotatably arranged in drive shaft, and the fixed ring is provided with far from the side of drive shaft to be turned Moving axis, the rotation axis are rotatably arranged in clamp seat.

2. bearing roller production cold headers according to claim 1, which is characterized in that be arranged on the cold upsetting die of car seat There are 6 die holes being arranged along feeding device to discharging device direction.