CN217748864U - Spinning production equipment for wide bearing surface driving wheel - Google Patents
Spinning production equipment for wide bearing surface driving wheel Download PDFInfo
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- CN217748864U CN217748864U CN202221668100.8U CN202221668100U CN217748864U CN 217748864 U CN217748864 U CN 217748864U CN 202221668100 U CN202221668100 U CN 202221668100U CN 217748864 U CN217748864 U CN 217748864U
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Abstract
The utility model discloses a spinning production device for a driving wheel with a wide bearing surface, which comprises an inner spinning forming spinning machine and a multi-spinning-wheel forming spinning machine, wherein the inner spinning forming spinning machine is used for spinning a middle bearing seat on a spinning blank to obtain a semi-finished product of the inner spinning bearing seat; the multi-spinning-wheel forming spinning machine is used for carrying out external tooth spinning forming on the semi-finished product of the internal spinning bearing seat so as to obtain a spinning finished product; the inner spinning forming spinning machine comprises a first main shaft, a first movable shaft and an inner spinning forming wheel, wherein the inner spinning forming wheel is a first inner spinning wheel and a second inner spinning wheel with different profiles, and the first inner spinning wheel is provided with a sharp corner so as to split the center line of a spinning blank and extend the center line to two sides; and the second internal rotating wheel pushes materials stretched on two sides of the split spinning blank forwards and pushes the materials backwards to be leveled, and a semi-finished product of the internal rotating bearing seat is formed. The utility model has the advantages of high production efficiency and more raw and other materials saving.
Description
Technical Field
The utility model relates to a technical field of drive wheel processing, concretely relates to wide bearing surface drive wheel spinning production facility.
Background
With the development of scientific technology, the spinning technology is widely applied to the processing of rotary mechanical parts, replaces the traditional processes such as casting, stamping, cutting and the like, and has the advantages of raw material saving, high production efficiency, low energy consumption, environmental protection, lighter product structure, high structural strength, high hardness of the product surface after cold work hardening, wear resistance and the like compared with the traditional process. Therefore, the spinning technology is particularly widely applied to the automobile part industry, such as spinning of automobile hubs, spinning of driving wheels and the like.
The spinning technology is applied to the forming process of part of the driving wheels on the automobile engine, so that the production efficiency can be greatly improved, the cost is reduced, the pollution and the energy consumption are reduced, and good social benefits are brought. However, for example, the driving wheel with an i-shaped section formed around the central shaft still adopts the traditional technology at present, such as: the processes of casting, turning, forging, turning, seamless tube turning and the like have the defects of more processes, large waste of raw materials, low production efficiency and the like. The Chinese utility model patent "a belt pulley spinning production technology", patent number "CN201210491804.7" discloses a spinning technology to belt pulleys of the same kind of shaft hole in the middle of the area, but this spinning technology still has following not enough:
firstly, in order to realize the molding of the middle shaft hole step, a thicker metal plate blank is needed, and the requirement on the thickness of raw materials is higher;
secondly, two devices are needed to carry out secondary spinning to realize the forming of the steps at the two ends of the driving wheel, time and labor are consumed, and the production cost is increased;
thirdly, after the middle shaft hole step is formed, the material in the middle shaft hole step needs to be punched or cut, the process is time-consuming and labor-consuming, the material in the middle shaft hole step can be wasted, and the problem of waste of raw materials exists.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a wide bearing surface drive wheel spinning production facility to solve the technical problem that current production technology production efficiency is low, the yield is low, finished product quality is low and manufacturing cost is high.
The utility model adopts the following technical scheme:
a spinning production device for a driving wheel with a wide bearing surface comprises an inner spinning forming spinning machine and a multi-spinning-wheel forming spinning machine, wherein the inner spinning forming spinning machine is used for spinning an intermediate bearing seat on a spinning blank to obtain a semi-finished product of the inner spinning bearing seat; the multi-spinning-wheel forming spinning machine is used for carrying out external tooth spinning forming on the semi-finished product of the internal spinning bearing seat to obtain a spinning finished product;
the inner spinning forming spinning machine comprises a first main shaft, a first movable shaft and an inner spinning forming wheel, wherein an inner spinning lower die is arranged on the first main shaft, an inner spinning upper die is arranged on the first movable shaft, and a spinning blank is clamped by the inner spinning lower die and the inner spinning upper die and is driven to rotate; the inner spinning forming wheel is arranged in the first main shaft and is a first inner spinning wheel for splitting and extending and a second inner spinning wheel for pushing and leveling materials, a sharp angle is arranged on the first inner spinning wheel to split a prefabricated hole of a spinning blank from a center line and extend to two sides, and the second inner spinning wheel pushes materials extending to two sides of the split spinning blank forwards and pushes the materials backwards to level so as to form a semi-finished product of the inner spinning bearing seat.
Furthermore, the first internal rotating wheel comprises two sections which are sequentially arranged from front to back, and the diameter of the first section of the first internal rotating wheel is smaller than that of the prefabricated hole of the spinning blank so that the first section of the first internal rotating wheel can extend into the prefabricated hole; the first section of the first internal rotating wheel is provided with a sharp corner with the maximum diameter smaller than the diameter of the prefabricated hole so as to split the prefabricated hole of the spinning blank from the center line; the diameter of the second section of the first internal rotating wheel is gradually increased so as to extend the split prefabricated hole to two sides.
Furthermore, the front end of the second internal rotating wheel is provided with a spinning forming section, the diameter of the spinning forming section is smaller than the minimum diameter of the hole formed by the splitting and extending of the first internal rotating wheel, and materials extending on two sides of the hole formed by the splitting and extending of the first internal rotating wheel are pushed forwards and pushed backwards to be leveled.
Furthermore, a radial feeding driving source and an axial feeding driving source are further arranged at the rear part of the first main shaft and are respectively connected with the inner spinning forming wheel so as to respectively drive the inner spinning forming wheel to feed in the radial direction and the axis.
Furthermore, a gap is reserved between the inner spinning forming wheel and the center holes of the inner spinning upper die and the inner spinning lower die.
Further, the first internal rotating wheel and the second internal rotating wheel are driven to rotate in the spinning process.
Furthermore, the multi-spinning-wheel forming spinning machine comprises a second main shaft, a second movable shaft and an external-tooth forming wheel, wherein an external-tooth spinning lower die is installed on the second main shaft, an external-tooth spinning upper die is installed on the second movable shaft, and a semi-finished product of the internal-spinning bearing seat is clamped by the external-tooth spinning lower die and the external-tooth spinning upper die and is driven to rotate; the outer tooth forming wheels are distributed around the second main shaft and comprise outer tooth first forming wheels for performing splitting spinning forming, outer tooth second forming wheels for performing leveling spinning forming, outer tooth third forming wheels for performing pre-forming tooth spinning forming and fourth forming wheels for performing finish-forming tooth spinning forming.
Furthermore, gaps are reserved between the first external-tooth forming wheel, the second external-tooth forming wheel, the third external-tooth forming wheel and the fourth external-tooth forming wheel and between the external-tooth spinning lower die and the external-tooth spinning upper die respectively.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
firstly, the spinning blank required to be adopted in the application is less in material consumption than a forging blank, raw materials are saved, and raw material cost is reduced;
secondly, the whole production period is short, and the two horizontal numerical control forming spinning machines carry out sub-process spinning, so that the production efficiency is greatly improved, the energy consumption is reduced, and the energy is saved and the environment is protected;
thirdly, the method is suitable for producing various circular metal transmission wheels with bearing seats in the middle, and has strong applicability; the production yield is high, and the finished product quality is high; the loss of the die is small, and the service life of the die is long;
fourthly, the extensibility of the material is utilized to the maximum extent, and the production of the wide bearing surface driving wheel is realized.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic structural view of an internal spinning forming spinning machine according to the present invention;
fig. 2 is a schematic structural view of the first internal rotation wheel of the present invention;
fig. 3 is a schematic structural view of a second internal rotation wheel according to the present invention;
FIG. 4 is a schematic structural view of the multi-spinning-wheel forming spinning machine of the present invention;
FIG. 5 shows a cross-sectional view of FIG. 4;
fig. 6 shows a flow chart of the present invention.
Description of the reference symbols:
the spinning device comprises an inner spinning forming spinning machine 1, a first main shaft 11, a first movable shaft 12, an inner spinning forming wheel 13, a first inner spinning wheel 131, a first section 1311 of the first inner spinning wheel 131, a second section 1312 of the first inner spinning wheel 131, a second inner spinning wheel 132, a spinning forming section 1321, an inner spinning lower die 14 and an inner spinning upper die 15;
a multi-rotor molding spinning machine 2, a second main shaft 21, a second movable shaft 22, an external-tooth molding wheel 23, an external-tooth first molding wheel 231, an external-tooth second molding wheel 232, an external-tooth third molding wheel 233, an external-tooth fourth molding wheel 234, an external-tooth spinning lower die 24, and an external-tooth spinning upper die 25;
spinning blank 3, internal-spinning bearing seat semi-finished product 4, external tooth split spinning semi-finished product 41, external tooth leveling spinning semi-finished product 42, pre-spinning tooth spinning semi-finished product 43 and spinning finished product 5.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. The components in the drawings are not necessarily to scale, and similar reference numerals are generally used to identify similar components.
Meanwhile, the directions such as front, rear, left, and right are only referred to as a reference direction in the present embodiment, and do not represent directions in actual use.
The present invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 6, as a preferred embodiment of the present invention, a spinning production apparatus for a wide bearing surface driving wheel is provided, which includes an internal spinning forming spinning machine 1 and a multi-spinning-wheel forming spinning machine 2, wherein the internal spinning forming spinning machine 1 is used for spinning a middle bearing seat on a spinning blank 3 to obtain an internal spinning bearing seat semi-finished product 4; the multi-spinning-wheel forming spinning machine 2 is used for carrying out external tooth spinning forming on the inner spinning bearing seat semi-finished product 4 to obtain a spinning finished product 5. In the embodiment, two horizontal numerical control forming spinning machines are adopted for sub-process spinning, one horizontal numerical control forming spinning machine realizes the spinning forming of the bearing seat of the driving wheel, and the other horizontal numerical control forming spinning machine realizes the spinning forming of the outer teeth of the driving wheel, so that the production efficiency is greatly improved, the energy consumption is reduced, and the energy is saved and the environment is protected; the method is suitable for producing various circular metal transmission wheels with bearing seats in the middle, and has strong applicability; the production yield is high, and the finished product quality is high; and the mould loss is small, and the service life of the mould is long.
In this embodiment, referring to fig. 1, the internal spinning forming spinning machine 1 adopts a horizontal numerical control internal spinning forming spinning machine, and includes a hydraulic system, a numerical control system, a spinning machine main body, a machine base and a lubricating system; the hydraulic system, the numerical control system, the spinning machine main body and the lubricating system are arranged on the machine base and are controlled by the numerical control system. The spinning machine main part includes first main shaft 11, first loose axle 12 and interior spin forming wheel 13, first main shaft 11 is connected with first spindle motor, first loose axle 12 is connected with first loose axle motor, and drive first main shaft 11 and the concentric syntropy of first loose axle 12 through first spindle motor and first loose axle motor respectively and rotate, first loose axle 12 still is connected with first loose axle pneumatic cylinder, with the axial displacement of control first loose axle 12, in order to be close to or keep away from first main shaft 11. An inner spinning lower die 14 is installed on the first main shaft 11, an inner spinning upper die 15 is installed on the first movable shaft 12, the spinning blank 3 is clamped through the inner spinning lower die 14 and the inner spinning upper die 15, and after the spinning blank 3 is clamped, the first main shaft 11 and the first movable shaft 12 synchronously rotate at the same speed and the same direction to drive the spinning blank 3 to rotate.
As shown in fig. 1, the inner spinning forming wheel 13 is installed in the first main shaft 11, and a gap is left between the inner spinning forming wheel 13 and the central holes of the inner spinning upper die 15 and the inner spinning lower die 14, so as to prevent interference between the inner spinning forming wheel 13 and the inner spinning upper die 15 and the inner spinning lower die 14 from affecting operation. The inner spinning forming wheel 13 is a first inner spinning wheel 131 which is split and extended and a second inner spinning wheel 132 which is used for pushing and leveling materials, the first inner spinning wheel 131 splits a prefabricated hole of the spinning blank 3 from the center line and extends towards two sides, and the second inner spinning wheel 132 pushes and levels materials extended from two sides of the split spinning blank 3 forwards and backwards to form a semi-finished product 4 of the inner spinning bearing seat; the rear part of the first main shaft 11 is also provided with a radial feeding driving source and an axial feeding driving source which are respectively connected with the inner spinning forming wheel 13, the inner spinning forming wheel 13 is driven to do radial feeding motion through the radial feeding driving source, and the inner spinning forming wheel 13 is driven to do axial feeding motion through the axial feeding driving source. And the first internal rotating wheel 131 and the second internal rotating wheel 132 are driven to rotate during the spinning process; in this embodiment, the first internal rotating wheel 131 and the second internal rotating wheel 132 are disposed in the first spindle 11, and the first internal rotating wheel 131 and the second internal rotating wheel 132 are driven by the first spindle 11 to rotate during the spinning process.
Referring to fig. 1 to 3, the first internal rotating wheel 131 includes two sections arranged from front to back, and the diameter of the first section 1311 of the first internal rotating wheel is smaller than that of the preformed hole of the spinning blank 3, so that the first section 1311 of the first internal rotating wheel can extend into the first internal rotating wheel; and the first section 1311 of the first internal rotation wheel has a sharp angle with a maximum diameter smaller than the diameter of the preformed hole to cleave the preformed hole of the spinning blank 3 from the center line; the diameter of the second section 1312 of the first internal rotation wheel is gradually increased, and the split prefabricated hole is extended towards two sides; the front end of the second internal rotating wheel 132 is provided with a spinning forming section 1321, the diameter of the spinning forming section 1321 is smaller than the minimum diameter of the hole formed by splitting and extending the first internal rotating wheel 131, and materials extending on two sides of the hole formed by splitting and extending the first internal rotating wheel 131 are pushed forwards and pushed backwards to be leveled. Specifically, the first inner spinning roller 131 and the second inner spinning roller 132 are operated by installing the first inner spinning roller 131 in the first main shaft 11, clamping the spinning blank 3 by the inner spinning lower die 14 and the inner spinning upper die 15, rotating the first main shaft 11 and the first movable shaft 12 synchronously and in the same direction to rotate the spinning blank 3, inserting the first section 1311 of the first inner spinning roller into the middle preformed hole of the spinning blank 3, aligning the sharp corner of the first section 1311 of the first inner spinning roller with the preformed hole of the spinning blank 3, driving the first inner spinning roller 131 to radially feed by the radial feed driving source to split the spinning blank 3 from the center line, and then driving the first inner spinning roller 131 to radially feed by the radial feed driving source to radially spin and expand the preformed hole from the middle by the second section 1312 of the first inner spinning roller, so that the split two-side materials extend to the two sides; after the actions are completed, the second internal spinning wheel 132 is installed in the first main shaft 11, the outline center of the second internal spinning wheel 132 is aligned with the center of the spinning blank 3, the second internal spinning wheel 132 axially moves to the middle of the spinning blank 3, and when the second internal spinning wheel 132 is radially fed to a proper position, the second internal spinning wheel 132 is driven to axially feed through the axial feeding driving source, so that the spinning forming section 1321 of the second internal spinning wheel 132 pushes the materials spread at the two sides of the split spinning blank 3 forwards and backwards, the materials spread at the two sides of the split spinning blank 3 are pushed forwards and pushed backwards to be leveled, and the internal spinning bearing seat semi-finished product 4 is obtained. In this embodiment, the design of the inner spinning forming wheel 13 is adopted, so that the preformed hole of the spinning blank 3 is split from the center line position and extends to two sides after the spinning blank 3 is spun by the first inner spinning wheel 131, and at this stage, the width of the middle bearing surface formed by spinning the blank 3 is narrow, and the forming requirement of the wide bearing surface driving wheel cannot be met; when the second internal spinning wheel 132 spins, the spinning forming section 1321 of the second internal spinning wheel 132 pushes the material extended from the two sides of the split spinning blank 3 forwards and backwards, so that the material extended from the two sides of the split spinning blank 3 flows and is continuously and outwards expanded and accumulated, thereby forming the middle bearing seat of the wide bearing surface and meeting the width requirement of the bearing surface of the wide bearing surface transmission wheel. In the application, the inner spinning forming wheel 13 is designed to be two spinning wheels with two sections of different profiles, so that the spinning blank 3 is spun into the middle bearing seat from inside to outside, and compared with the middle bearing seat spun from outside to inside in the prior art, a thicker metal plate blank is not needed, and the requirement on the thickness of raw materials is lower; the waste of the intermediate material of the spinning blank is avoided, and the secondary operation of stamping or cutting process on the material in the step of the intermediate shaft hole is not needed in the follow-up process, so that the time and the labor are saved; and finally, the forming of the intermediate bearing seat can be realized by only one internal spinning forming spinning machine 1, so that the production cost is reduced.
In the embodiment, the multi-spinning-wheel forming spinning machine 2 adopts a horizontal numerical control internal spinning forming spinning machine, and also comprises a hydraulic system, a numerical control system, a spinning machine main body, a machine base and a lubricating system; the hydraulic system, the numerical control system, the spinning machine main body and the lubricating system are arranged on the machine base and are controlled by the numerical control system. Referring to fig. 2 to 3, the spinning machine main body of the multi-spinning-wheel forming spinning machine 2 includes a second main shaft 21, a second movable shaft 22 and an external-tooth forming wheel 23, the second main shaft 21 is connected with a second main shaft motor, the second movable shaft 22 is connected with a second movable shaft motor, the second main shaft 21 and the second movable shaft 22 are respectively driven by the second main shaft motor and the second movable shaft motor to concentrically and concentrically rotate, and the second movable shaft 22 is further connected with a second movable shaft hydraulic cylinder to control the second movable shaft 22 to axially move so as to be close to or far away from the second main shaft 21. An external-tooth spinning lower die 24 is installed on the second main shaft 21, an external-tooth spinning upper die 25 is installed on the second movable shaft 22, the internal-rotation bearing seat semi-finished product 4 is clamped through the external-tooth spinning lower die 24 and the external-tooth spinning upper die 25, and after the internal-rotation bearing seat semi-finished product 4 is clamped, the second main shaft 21 and a second main shaft motor synchronously rotate at the same speed and in the same direction to drive the internal-rotation bearing seat semi-finished product 4 to rotate.
Referring to fig. 4, the external-tooth forming wheels 23 are distributed around the second main shaft 21, and the external-tooth forming wheels 23 include a first external-tooth forming wheel 231 for split spinning forming, a second external-tooth forming wheel 232 for leveling spinning forming, a third external-tooth forming wheel 233 for pre-tooth spinning forming, and a fourth external-tooth forming wheel 234 for finish-tooth spinning forming, so that the semi-finished product 4 of the internally-rotated bearing seat passes through the first external-tooth forming wheel 231 for split forming, and the outer-circle material of the semi-finished product 4 of the internally-rotated bearing seat is split from the middle of the thickness and extended to the two sides to obtain the semi-finished product 41 of the externally-tooth split spinning; the rear external tooth split spinning semi-finished product 41 passes through an external tooth second forming wheel 232 to be subjected to leveling spinning forming, and an external tooth leveling spinning semi-finished product 42 is obtained; the rear external tooth leveling spinning semi-finished product 42 passes through an external tooth third forming wheel 233 to be subjected to pre-spinning tooth spinning forming, and a pre-spinning tooth spinning semi-finished product 43 is obtained; and the semi-finished product 43 of the spinning with the pre-spun teeth passes through an external-tooth fourth forming wheel 234 to be subjected to finishing spinning forming, so that a finished product 5 of the spinning of the transmission wheel is obtained. Further, gaps are left between the above four external-tooth forming wheel 23 and the external-tooth spinning lower die 24 and the external-tooth spinning upper die 25 to ensure that the external-tooth forming wheel 23 and the external-tooth spinning lower die 24 and the external-tooth spinning upper die 25 do not interfere with each other. In other embodiments, the external-teeth first forming wheel 231 may also be a spinning wheel for performing a pre-bending spinning forming operation, so that the internal-spinning bearing seat semi-finished product 4 is sequentially subjected to pre-bending spinning forming, leveling spinning finished product, pre-tooth spinning forming and finish-tooth spinning forming, and the spinning finished product can also be obtained.
The spinning production equipment for the wide bearing surface driving wheel comprises the following specific production processes:
stamping and blanking, namely selecting metal plates with proper thickness and size according to the calculation of driving wheels of various specifications, and stamping and blanking the metal plates to obtain spinning blanks 3;
placing the spinning blank 3 in an inner spinning lower die 14 of an inner spinning forming spinning machine 1, wherein a first inner spinning wheel 131 is arranged on a first main shaft 11, and a first section of the first inner spinning wheel 131 extends into a prefabricated hole formed in the middle of the spinning blank 3; the first movable shaft 12 is driven to axially move to drive the inner spinning upper die 15 to be close to the inner spinning lower die 14, the spinning blank 3 is clamped, and the first main shaft 11 and the first movable shaft 12 are driven to synchronously rotate in the same speed and the same direction after the spinning blank 3 is clamped; the first inner rotating wheel 131 is driven by a radial feeding driving source to feed radially, and the first inner rotating wheel 131 performs spinning on the prefabricated hole in the middle of the spinning blank 3 from inside to outside so that the spinning blank 3 is split from the center line and extends to two sides; after the first section of spinning is finished, the second internal spinning wheel 132 is installed on the first main shaft 11, the second internal spinning wheel 132 is radially fed to a preset position, the second internal spinning wheel 132 is axially fed under the action of an axial feeding driving source to perform second section spinning, the second internal spinning wheel 132 expands materials expanded by pushing the two sides of the split spinning blank 3 forwards and backwards, and the materials expanded by the two sides of the split spinning blank 3 are pushed forwards and pushed backwards to be leveled, so that an internal spinning bearing seat semi-finished product 4 is obtained;
placing the inner spinning bearing seat semi-finished product 4 on an outer tooth spinning lower die 24 of a multi-spinning wheel forming spinning machine 2, driving an outer tooth spinning upper die 25 to be close to the outer tooth spinning lower die 24 by driving the second movable shaft 12 to axially move, clamping the inner spinning bearing seat semi-finished product 4, and driving the second main shaft 21 and the second movable shaft 22 to synchronously rotate at the same speed and in the same direction after clamping the inner spinning bearing seat semi-finished product 4; the semi-finished product 4 of the internal rotation bearing seat passes through the first external tooth forming wheel 231 for splitting forming, so that the excircle material of the semi-finished product 4 of the internal rotation bearing seat is split from the middle of the thickness and extends to two sides to obtain a semi-finished product of external tooth splitting spinning; the rear external tooth split spinning semi-finished product is subjected to leveling spinning forming through an external tooth second forming wheel 232 to obtain an external tooth leveling spinning semi-finished product; the rear external tooth leveling spinning semi-finished product is subjected to pre-spinning tooth spinning forming through an external tooth third forming wheel 233 to obtain a pre-spinning tooth spinning semi-finished product; the semi-finished product of the spinning of the pre-spinning teeth passes through the fourth forming wheel 234 of the external teeth to be subjected to finishing spinning forming, and a spinning finished product of the transmission wheel is obtained;
and (4) placing the finished product of the spinning of the driving wheel on a numerical control lathe to trim burrs at all positions and finish turning the size of an inner hole of the middle bearing seat to obtain the finished product of the driving wheel.
By adopting the spinning production equipment and the spinning production method of the wide bearing surface driving wheel provided by the utility model, the prefabricated hole of the spinning blank is spun from inside to outside to form the intermediate bearing seat, so that the sheet metal is less than the material used for forging the blank, the raw material is saved, and the raw material cost is reduced; the whole production period is short, the production efficiency is greatly improved, the energy consumption is reduced, and the environmental protection is realized; the requirement on equipment is low, the loss of the die is low, and the service life of the die is long; the method is suitable for producing various annular metal transmission wheels with bearing seats in the middle, and has strong applicability; high rate of finished products and high quality of finished products. The whole process is cold forming, the tooth surface of the belt wheel is hardened by cold working, and the belt wheel has the advantages of high strength, hardness, wear resistance and the like; heating and forging are not needed, welding is not needed, and the environment is protected.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a wide bearing surface drive wheel spinning production facility which characterized in that: the spinning device comprises an internal spinning forming spinning machine and a multi-spinning-wheel forming spinning machine, wherein the internal spinning forming spinning machine is used for spinning a middle bearing seat on a spinning blank to obtain a semi-finished product of the internal spinning bearing seat; the multi-spinning-wheel forming spinning machine is used for carrying out external tooth spinning forming on the semi-finished product of the inner spinning bearing seat to obtain a spinning finished product;
the inner spinning forming spinning machine comprises a first main shaft, a first movable shaft and an inner spinning forming wheel, wherein an inner spinning lower die is arranged on the first main shaft, an inner spinning upper die is arranged on the first movable shaft, and a spinning blank is clamped by the inner spinning lower die and the inner spinning upper die and is driven to rotate; the inner spinning forming wheel is arranged in the first main shaft and is a first inner spinning wheel for splitting and extending and a second inner spinning wheel for pushing and leveling materials, a sharp angle is arranged on the first inner spinning wheel to split a prefabricated hole of a spinning blank from a center line and extend to two sides, and the second inner spinning wheel pushes materials extending to two sides of the split spinning blank forwards and pushes the materials backwards to level so as to form a semi-finished product of the inner spinning bearing seat.
2. The wide bearing surface driving wheel spinning production equipment according to claim 1, characterized in that: the first internal rotating wheel comprises two sections which are sequentially arranged from front to back, and the diameter of the first section of the first internal rotating wheel is smaller than that of the prefabricated hole of the spinning blank so that the first section of the first internal rotating wheel can extend into the prefabricated hole; the first section of the first inner rotating wheel is provided with a sharp corner with the maximum diameter smaller than the diameter of the prefabricated hole so as to split the prefabricated hole of the spinning blank from the center line; the diameter of the second section of the first internal rotating wheel is gradually increased so as to extend the split prefabricated hole to two sides.
3. The wide bearing surface driving wheel spinning production equipment according to claim 1, characterized in that: the front end of the second internal rotating wheel is provided with a spinning forming section, the diameter of the spinning forming section is smaller than the minimum diameter of the hole formed after the first internal rotating wheel is split and extended, and materials extending on two sides of the hole formed after the first internal rotating wheel is split and extended are pushed forwards and pushed backwards to be leveled.
4. The wide bearing surface driving wheel spinning production equipment according to claim 1, characterized in that: and the rear part of the first main shaft is also provided with a radial feeding driving source and an axial feeding driving source which are respectively connected with the inner spinning forming wheel so as to respectively drive the inner spinning forming wheel to feed in a radial direction and feed in an axial direction.
5. The wide bearing surface driving wheel spinning production equipment according to claim 1, characterized in that: and a gap is reserved between the inner spinning forming wheel and the central holes of the inner spinning upper die and the inner spinning lower die.
6. The wide bearing surface driving wheel spinning production equipment according to claim 1, characterized in that: the first internal rotating wheel and the second internal rotating wheel are driven to rotate in the spinning process.
7. The wide bearing surface driving wheel spinning production equipment according to claim 1, characterized in that: the multi-spinning-wheel forming spinning machine comprises a second main shaft, a second movable shaft and an external-tooth forming wheel, wherein an external-tooth spinning lower die is mounted on the second main shaft, an external-tooth spinning upper die is mounted on the second movable shaft, and a semi-finished product of the internal-spinning bearing seat is clamped by the external-tooth spinning lower die and the external-tooth spinning upper die and is driven to rotate; the outer tooth forming wheels are distributed around the second main shaft and comprise outer tooth first forming wheels for performing splitting spinning forming, outer tooth second forming wheels for performing leveling spinning forming, outer tooth third forming wheels for performing pre-forming tooth spinning forming and fourth forming wheels for performing finish-forming tooth spinning forming.
8. The wide bearing surface driving wheel spinning production equipment according to claim 7, characterized in that: gaps are reserved between the external tooth first forming wheel, the external tooth second forming wheel, the external tooth third forming wheel and the fourth forming wheel and between the external tooth spinning lower die and the external tooth spinning upper die respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221668100.8U CN217748864U (en) | 2022-06-30 | 2022-06-30 | Spinning production equipment for wide bearing surface driving wheel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221668100.8U CN217748864U (en) | 2022-06-30 | 2022-06-30 | Spinning production equipment for wide bearing surface driving wheel |
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| CN217748864U true CN217748864U (en) | 2022-11-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117600308A (en) * | 2023-12-12 | 2024-02-27 | 中信戴卡股份有限公司 | Symmetrical spinning forming equipment and method |
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2022
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117600308A (en) * | 2023-12-12 | 2024-02-27 | 中信戴卡股份有限公司 | Symmetrical spinning forming equipment and method |
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