CN212419489U - Blank making system of driven bevel gear - Google Patents
Blank making system of driven bevel gear Download PDFInfo
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- CN212419489U CN212419489U CN202021177607.4U CN202021177607U CN212419489U CN 212419489 U CN212419489 U CN 212419489U CN 202021177607 U CN202021177607 U CN 202021177607U CN 212419489 U CN212419489 U CN 212419489U
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Abstract
The utility model discloses a blank making system of a driven bevel gear, which comprises an upper template and a lower template which are arranged oppositely, and an upsetting module, a forming module and a punching module which are arranged between the upper template and the lower template in sequence; aiming at the structural characteristics of the driven bevel gear, the upsetting, forming and punching of the fixture are designed, so that the adaptability of the whole blank manufacturing process is high, products of different specifications can be forged by only replacing a small number of structures through the structural improvement of upsetting, forming and punching, and the universality is stronger; the upsetting module is provided with a lower die positioning table, so that the whole upsetting process is easier to operate, and the forming process is provided with a replaceable limiting ring structure, so that the whole forming module can be adjusted according to the size requirement of a target product; the bottom of the punching module is provided with a lower die core of a punching station for installing a nitrogen spring or a compression spring, so that the consistency of punching positions and the consistency of blanks in the blank making process of the driven bevel gear are ensured; meanwhile, the punched connected skin is easier to demould and clean.
Description
Technical Field
The utility model relates to a gear machining technical field especially relates to driven bevel gear's base system.
Background
The driven bevel gear is the most important pair of gears in the drive axle transmission device, and the requirement on transmission precision is high, so that the assembly, adjustment and maintenance are required to be implemented according to the specified requirements.
Forging is a process of machining a machine part or a part blank by means of a tool or die under the action of impact or pressure. Compared with other processing methods, the forging processing productivity is high; the forging piece has good shape and size stability and optimal comprehensive mechanical property.
The tooth blank of the driven bevel gear is formed in the conventional forging, because the deformation of a workpiece is large, the blank is difficult to fill a cavity in the forging process, and the process usually adopts the following multi-step procedures: blanking, heating, upsetting, heating, pre-forging, mechanically descaling, final forging and trimming. The devices are usually arranged independently in the processes, each process needs to be transported, and more people participate in the processes; the conventional forging process has multiple working procedures, large forging temperature change and unstable forging quality; and the required equipment is more, the machining allowance after forging is large, the labor and the time are wasted, the production cost is high, the requirement of the dimensional precision without the machining allowance can not be basically met, and the surface roughness is unstable.
The conventional driven bevel gear blank manufacturing requires high precision, the consistency of a subsequent grinding ring is insufficient during forging, defective products are easily generated, the blank manufacturing of products with different sizes and thicknesses is realized, a plurality of components need to be replaced, the forging of similar products can be realized by one pair of dies, and the utilization rate of the dies is not high.
During punching, the positioning is not accurate enough, so that the tooth profile of the driven bevel gear is not consistent and bad during blank making, and a die sticking phenomenon sometimes occurs.
Based on the situation, the blank making equipment of the driven bevel gear needs to be integrally matched and improved so as to meet the technological requirements of blank making of products, and the blank making equipment has great economic benefits and practical significance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art the defect, provide a driven bevel gear's system base, to driven bevel gear's structural feature, to the upsetting, the shaping of anchor clamps and punch a hole and design, integrated as a system with the three, make the cooperation degree between whole system base process high, avoided transportation and artifical the uncertainty of participating in to producing in the system base production.
Through the structural improvement of upsetting, forming and punching, the blank making of the whole driven bevel gear is more scientific, products with different specifications can be forged by only replacing a small number of structures, and the universality is stronger; the upsetting module is provided with a lower die positioning platform, so that the whole upsetting process is easier to operate, and the consistency of an upsetting formed product is easy to guarantee; the forming process is provided with a replaceable limiting ring structure, so that the whole forming module can be adjusted according to the size requirement of a target product; the bottom of the punching module is provided with a lower punching station die core for installing a nitrogen spring or a compression spring, so that the consistency of punching positions in the blank making process of the driven bevel gear is ensured, and the consistency of blanks is ensured; meanwhile, the punched connected skin is easier to demould and clean.
In order to solve the technical problems, the technical scheme is as follows:
the blank making system of the driven bevel gear comprises an upper template and a lower template which are oppositely arranged, wherein an upsetting module, a forming module and a punching module are sequentially arranged between the upper template and the lower template;
the upsetting module comprises an upsetting station upper die and an upsetting station lower die seat which are arranged on the inner sides of the upper die plate and the lower die plate respectively and are opposite to each other, an upsetting station lower die is arranged at the center of the upsetting station lower die seat, and an upsetting station lower die positioning platform abutted against the supporting plate is arranged on the outer edge of the upsetting station lower die;
the forming module comprises a forming station lower die and a forming station upper die, wherein the forming station lower die is supported on the upper surface of the lower die plate through a mandril structure and is arranged on a forming station lower die seat, and the forming station upper die is arranged opposite to the forming station lower die; the outer edge of the lower die of the forming station or the lower die seat of the forming station is provided with a limiting ring, and the center of the lower die is provided with a tooth blank placing cavity with a positioning bulge;
the punching module comprises a punching station upper punch seat and a punching station lower die core positioning seat which are arranged on the inner sides of the upper template and the lower template respectively and are opposite to each other, an upper punch is arranged at the center of the punching station upper punch seat, and a stripper plate capable of moving up and down is arranged at the end part of the upper punch in the circumferential direction; the center of the lower die core positioning seat of the punching station is provided with a lower die core of the punching station, the bottom of which is provided with a nitrogen spring or a compression spring;
the upper template, the lower template, the upsetting module, the forming module and the punching module are in communication connection with the controller.
The utility model discloses a driven bevel gear's blank system will upset module, shaping module and the module of punching a hole is integrated simultaneously between last lower bolster, arranges in proper order on last lower bolster, when can effectively save equipment space occupancy, more can effectively reduce the transportation process and the cost between each process.
The utility model discloses an upset module sets upset station lower mould and upset station lower mould location platform and layer board to the whole of mutually supporting, through the operation of location platform, lies in central point when guaranteeing that the material base is placed and puts, guarantees to upset to fashioned locating hole and lies in central point and put. The supporting plate is connected with the positioning table and is connected with the compression spring at the same time, so that the up-and-down movement of the positioning table is guaranteed. The position of blank placement can be effectively positioned during upsetting.
The utility model discloses a shaping module's shaping station lower mould center is equipped with the location arch, makes the tooth base after the upset easier to place on shaping module, and is equipped with the detachable spacing ring at shaping station lower mould or shaping station die holder's outer fringe, makes whole shaping module only need to change the spacing ring can realize the forging shaping processing to the tooth base of different specifications; the bottom of the punching module is provided with a lower punching station die core for installing a nitrogen spring or a compression spring, so that the consistency of punching positions in the blank making process of the driven bevel gear is ensured, and the consistency of blanks is ensured; meanwhile, the punched connected skin is easier to demould and clean.
The utility model discloses an cope match-plate pattern and lower bolster, upsetting module, shaping module and the module of punching a hole are connected with the controller communication, make whole driven bevel gear's blanking system accurate controllable, have guaranteed the high accuracy and the good roughness of the driven bevel gear tooth base product after forging.
Furthermore, the upsetting station lower die is of a boss structure, and the upsetting station lower die positioning table is of an annular structure with a T-shaped cross section; and the upsetting station lower die positioning table is in clearance fit with the upsetting station lower die.
Furthermore, the supporting plates are arranged in parallel with the horizontal plane of the lower template, are respectively arranged at two ends of the lower die positioning table at the upsetting station and are abutted against the right-angled ends of the T-shaped annular structure of the lower die positioning table at the upsetting station; one end of the supporting plate is sleeved with the first fixing screw rod, and the supporting plate moves up and down through the supporting plate spring wound on the first fixing screw rod.
Furthermore, the width of the upper die of the forming station is the same as that of the lower die of the forming station, and the upper die of the forming station is of a plane structure with a convex middle part.
Furthermore, the ejector pin structure includes the ejector pin of vertical setting and the cross ejector pin of transversely arranging in ejector pin both ends.
Furthermore, the cross section of the die core positioning seat under the punching station is of a 'V' -shaped hollow structure, the cross section of the die core under the punching station is of a T-shaped pin structure, the inner wall of the hollow structure of the die core positioning seat under the punching station is larger than the diameter of the pin-shaped body of the pin structure, and the diameter of the central hole of the inner wall of the hollow structure is larger than the diameter of the cylinder of the die core under the punching station and smaller than the diameter of the pin-shaped body of the die core under the punching station.
Further, the upper punch is detachably connected with the punch seat on the punching station through bolts.
Furthermore, the punching module also comprises one end, close to the upper punch, of the lower die core positioning seat of the punching station, and a lower blade of the punching station is sleeved on the lower die core positioning seat of the punching station; and the punching station lower blade is arranged on the punching station blade seat.
Furthermore, the stripper plate is arranged in parallel with the horizontal plane of the lower template, the stripper plate is respectively arranged at two ends of the upper punch, and a gap avoiding the punch seat on the punching station is formed in the middle; the discharging plate is installed on the second fixing screw rod, and the second fixing screw rod is wound with a discharging spring.
Another object of the utility model is to disclose a driven bevel gear, the system of making blanks system using above-mentioned driven bevel gear prepares and forms.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a driven bevel gear's base system to driven bevel gear's structural feature, to the upsetting of anchor clamps, shaping and punch a hole and design, be integrated as a system with the three, make the cooperation degree between whole base process high, avoided transportation and artifical the participation to the uncertainty that produces in the base production, improved the precision of tooth base product, intensity of labour's reduction, environmental friendly, productivity ratio has obtained the improvement, can improve more than the one time.
The utility model discloses a driven bevel gear's blank system will upset module, shaping module and the module of punching a hole is integrated simultaneously between last lower bolster, arranges in proper order on last lower bolster, when can effectively save equipment space occupancy, more can effectively reduce the transportation process and the cost between each process.
The utility model discloses an upset module sets upset station lower mould and upset station lower mould location platform and layer board to the whole of mutually supporting, not only can effectively fix a position the position that the blank was placed at the upset in-process.
The utility model discloses a shaping module's shaping station lower mould center is equipped with the location arch, makes the tooth base after the upset easier to place on shaping module, and is equipped with the detachable spacing ring at shaping station lower mould or shaping station die holder's outer fringe, makes whole shaping module only need to change the spacing ring can realize the forging shaping processing to the tooth base of different specifications; the bottom of the punching module is provided with a punching station lower die core for installing a nitrogen spring or a compression spring, so that the tooth profile consistency in the blank manufacturing process of the driven bevel gear is better, the demoulding is easier and the die sticking is difficult.
The utility model discloses an cope match-plate pattern and lower bolster, upsetting module, shaping module and the module of punching a hole are connected with the controller communication, make whole driven bevel gear's blanking system accurate controllable, have guaranteed the high accuracy and the good roughness of the driven bevel gear tooth base product after forging.
The utility model discloses a driven bevel gear's blank system is used for driven bevel gear's tooth base processing, and it is big that its processing technology method can solve workman intensity of labour well, the poor problem of environment, and degree of automation is high, does benefit to the popularization.
Drawings
Fig. 1 is a schematic structural diagram of a blank making system of a driven bevel gear according to the present invention.
Fig. 2 is a sectional view of a-a plane of a blank making system of the driven bevel gear shown in fig. 1.
Fig. 3 is a B-B sectional view of a blank making system of the driven bevel gear shown in fig. 1.
In the figure, 1-lower template, 2-upper template, 3-nitrogen spring or compression spring, 4-cross ejector rod, 5-ejector rod, 6-T type screw rod I, 8-pallet spring, 9-pallet, 10-fixed screw rod I, 12-stripper plate, 13-fixed screw rod II, 15-stripper spring, 19-T type screw rod II, 21-small support block, 22-upsetting station lower die holder, 24-upsetting station lower die, 25-upsetting station lower die positioning table, 26-upsetting station upper die, 28-limiting ring, 29-forming station lower die holder, 30-forming station lower die, 31-forming station upper die, 33-forming station upper die holder, 34-punching station blade holder, 35-punching station lower blade, 36-punching station lower die core, 39-positioning of a lower die core at a punching station, 41-positioning of an upper punch at the punching station and 43-positioning of an upper punch seat at the punching station.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art. The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 to 3, the blank making system of the driven bevel gear comprises an upper template 2 and a lower template 1 which are oppositely arranged, and an upsetting module, a forming module and a punching module which are sequentially arranged between the upper template 2 and the lower template 1. The above three module mounting surfaces are substantially on the same horizontal plane.
The upsetting module comprises an upsetting station upper die 26 and an upsetting station lower die holder 22, wherein the upsetting station upper die 26 and the upsetting station lower die holder 22 are respectively installed on the inner sides of the upper die plate 2 and the lower die plate 1, the upsetting station upper die 26 is fixed through a T-shaped screw rod II 19, the upsetting station lower die holder 22 is fixed through a T-shaped screw rod I6, the center of the upsetting station lower die holder 22 is connected with an upsetting station lower die 24 through a bolt, and an upsetting station lower die positioning platform 25 abutted to the supporting plate 9 is arranged on the outer edge of the upsetting station; the upsetting station lower die 24 is of a boss structure, and the upsetting station lower die positioning table 25 is of an annular structure with a T-shaped cross section; the minimum thickness of the annular structure is slightly smaller than or equal to the linear distance between the supporting plate 9 and the edge of the upsetting station lower die 24, namely the upsetting station lower die positioning table 25 is in clearance fit with the upsetting station lower die 24, the upsetting station lower die positioning table 25 is supported on the supporting plate 9, meanwhile, the supporting plate 9 is installed on the supporting plate spring 8, the working table is stressed during working, the supporting plate spring 8 is compressed through the supporting plate 9, and the up-and-down movement of the upsetting station lower die positioning table 9 is guaranteed.
The supporting plate 9 is arranged in parallel with the horizontal plane of the lower template 1, the supporting plate 9 is respectively arranged at two ends of the upsetting station lower die positioning table 25 and is abutted against the right-angled end of the T-shaped annular structure of the upsetting station lower die positioning table 25; one end of the supporting plate 9 is sleeved with the first fixing screw rod 10, and the supporting plate 9 moves up and down through the supporting plate spring 8 wound on the first fixing screw rod 10.
The upsetting module sets the upsetting station lower die 24, the upsetting station lower die positioning table 25 and the supporting plate 9 into a mutually matched whole, and can effectively position the blank in the upsetting process.
In addition, in the present embodiment, the molding module includes a molding station lower mold 30 supported on the upper surface of the lower mold plate 1 through a ram structure and mounted on the molding station lower mold base 29, and a molding station upper mold 31 disposed opposite to the molding station lower mold 30; the lower forming station die 31 is arranged on the upper forming station die holder 33 through a hexagon socket head cap screw; in order to improve the forming precision, a detachable limiting ring 28 is arranged on the outer edge of the forming station lower die 30 or the forming station lower die 31, and the limiting ring 28 is arranged on two sides of the forming station lower die 30 in the embodiment; a tooth blank placing cavity with a positioning bulge is arranged at the center; the upper die 31 of the forming station and the lower die 30 of the forming station have the same width, and the upper die 31 of the forming station is of a plane structure with a convex middle part.
Specifically, the ejector rod structure comprises an ejector rod 5 which is vertically arranged and a cross ejector rod 4 which is transversely arranged at two ends of the ejector rod 5. The small support block 21 is arranged at the bottom of the whole ejector rod structure, so that the cross ejector rod 4 is prevented from falling off in the installation process of the die carrier.
The punching module comprises a punching station upper punch seat 43 and a punching station lower die core positioning seat 39 which are respectively arranged at the inner sides of the upper template 2 and the lower template 1 and are arranged oppositely, an upper punch 41 is arranged at the center of the punching station upper punch seat 43, and a stripper plate 12 which can move up and down is arranged at the end part of the upper punch 41 in the circumferential direction; the center of the punching station lower mold core positioning seat 39 is provided with a punching station lower mold core 36 with a nitrogen spring or a compression spring 3 arranged at the bottom; in this embodiment, the cross section of the punching station lower mold core positioning seat 39 is a "n" shaped hollow structure, the cross section of the punching station lower mold core 36 is a T-shaped pin structure, the inner wall of the hollow structure of the punching station lower mold core positioning seat 39 is larger than the diameter of the pin-shaped body of the pin structure, and the diameter of the central hole of the inner wall of the hollow structure is larger than the diameter of the cylinder of the punching station lower mold core 36 and smaller than the diameter of the pin-shaped body of the punching station lower mold core 36.
The upper punch 41 is detachably connected with the punch holder 43 of the punching station through bolts.
The punching module also comprises one end of a lower die core positioning seat 39 of the punching station, which is close to an upper punch 41, and a lower blade 35 of the punching station is sleeved on the end; the punching station lower blade 35 is mounted on the punching station blade holder 34. The stripper plate 12 is arranged in parallel with the horizontal plane of the lower template 1, the stripper plate 12 is respectively arranged at two ends of the upper punch 41, and a gap avoiding the punch seat 43 on the punching station is formed in the middle; the discharge plate 12 is installed on the second fixed screw 13, and the second fixed screw 13 is wound with a discharge spring 15.
The upper template 2, the lower template 1, the upsetting module, the forming module and the punching module are in communication connection with the controller.
The utility model discloses an cope match-plate pattern and lower bolster, upsetting module, shaping module and the module of punching a hole are connected with the controller communication, make whole driven bevel gear's blanking system accurate controllable, have guaranteed the high accuracy and the good roughness of the driven bevel gear tooth base product after forging.
The utility model discloses a driven bevel gear's blank system is used for driven bevel gear's tooth base processing, and it is big that its processing technology method can solve workman intensity of labour well, the poor problem of environment, and degree of automation is high, does benefit to the popularization.
The working process of the blank making system of the driven bevel gear in the embodiment comprises the following steps:
taking 425-10/37 and other basin teeth as an example, firstly, placing a lower bar phi 160 x 259 on an upsetting module station, upsetting to 152mm thick and having a positioning hole, wherein the positioning hole is formed by downwards moving through an upsetting station positioning platform 25 and relatively upwards stamping an upsetting station lower die 24, then placing the upsetting station lower die on a forming module station under the action of the positioning hole, continuously extruding to enable the thickness to reach 87mm and simultaneously forming a middle blind hole, wherein the blind hole is formed by downwards stamping through a forming station lower die 30, positioning through a lower positioning hole, placing a formed blank on a punching module for punching, and finally cutting off the manufactured blank product with a skin.
The same or similar reference numerals correspond to the same or similar parts; the positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent. It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. The blank making system of the driven bevel gear is characterized by comprising an upper template (2) and a lower template (1) which are arranged oppositely, wherein an upsetting module, a forming module and a punching module are sequentially arranged between the upper template (2) and the lower template (1);
the upsetting module comprises an upsetting station upper die (26) and an upsetting station lower die seat (22) which are arranged on the inner sides of the upper die plate (2) and the lower die plate (1) respectively and oppositely, an upsetting station lower die (24) is arranged at the center of the upsetting station lower die seat (22), and an upsetting station lower die positioning platform (25) abutted to the supporting plate (9) is arranged on the outer edge of the upsetting station lower die (24);
the forming module comprises a forming station lower die (30) which is supported on the upper surface of the lower die plate (1) through a mandril structure and is arranged on a forming station lower die seat (29), and a forming station upper die (31) which is arranged opposite to the forming station lower die (30); the outer edge of the forming station lower die (30) or the forming station upper die (31) is provided with a limiting ring (28), and the center of the forming station lower die is provided with a tooth blank placing cavity with a positioning bulge;
the punching module comprises a punching station upper punch seat (43) and a punching station lower die core positioning seat (39) which are arranged oppositely and respectively arranged on the inner sides of an upper template (2) and a lower template (1), an upper punch (41) is arranged at the center of the punching station upper punch seat (43), and a discharging plate (12) capable of moving up and down is arranged at the end part of the upper punch (41) in the circumferential direction; a punching station lower mold core (36) with a nitrogen spring or a compression spring (3) arranged at the bottom is arranged at the center of the punching station lower mold core positioning seat (39);
the upper template (2), the lower template (1), the upsetting module, the forming module and the punching module are in communication connection with the controller.
2. The blank making system of the driven bevel gear according to claim 1, wherein the upsetting station lower die (24) is of a boss structure, and the upsetting station lower die positioning table (25) is of an annular structure with a T-shaped cross section; the upsetting station lower die positioning table (25) is in clearance fit with the upsetting station lower die (24).
3. The blank making system of the driven bevel gear according to claim 2, wherein the supporting plates (9) are arranged in parallel with the horizontal plane of the lower template (1), the supporting plates (9) are respectively arranged at two ends of the lower die positioning platform (25) of the upsetting station and are abutted with the right-angled end of the T-shaped annular structure of the lower die positioning platform (25) of the upsetting station; one end of the supporting plate (9) is sleeved with the first fixing screw rod (10), and the supporting plate (9) is vertically displaced through the supporting plate spring (8) wound on the first fixing screw rod (10).
4. The blank making system of the driven bevel gear according to claim 1, wherein the forming station upper die (31) and the forming station lower die (30) have the same width, and the forming station upper die (31) is of a plane structure with a convex middle part.
5. The blank making system of the driven bevel gear according to claim 1, characterized in that the ejector rod structure comprises an ejector rod (5) which is vertically arranged and cross ejector rods (4) which are transversely arranged at two ends of the ejector rod (5).
6. The blank making system for the driven bevel gear according to claim 1, wherein the cross section of the punching station lower mold core positioning seat (39) is a hollow structure in a shape like a Chinese character 'ji', the cross section of the punching station lower mold core (36) is a pin structure in a shape like a T, the inner wall of the hollow structure of the punching station lower mold core positioning seat (39) is larger than the pin diameter of the pin structure, and the diameter of the central hole of the inner wall of the hollow structure is larger than the cylinder diameter of the punching station lower mold core (36) and smaller than the pin diameter of the punching station lower mold core (36).
7. The blank making system for the driven bevel gear according to claim 1, wherein the upper punch (41) is detachably connected with the punch base (43) of the punching station by a bolt.
8. The blank making system of the driven bevel gear according to claim 1, wherein the punching module further comprises a punching station lower die core positioning seat (39) which is provided at one end of the punching station lower die core positioning seat close to the upper punch (41) and is sleeved with a punching station lower blade (35); the punching station lower blade (35) is arranged on the punching station blade seat (34).
9. The blank making system of the driven bevel gear according to claim 1, characterized in that the stripper plate (12) is arranged in parallel with the horizontal plane of the lower die plate (1), the stripper plate (12) is respectively arranged at two ends of the upper punch (41), and a gap avoiding the punch seat (43) of the punching station is formed in the middle; the discharging plate (12) is installed on the second fixing screw rod (13), and the second fixing screw rod (13) is wound with a discharging spring (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021177607.4U CN212419489U (en) | 2020-06-23 | 2020-06-23 | Blank making system of driven bevel gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021177607.4U CN212419489U (en) | 2020-06-23 | 2020-06-23 | Blank making system of driven bevel gear |
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| CN212419489U true CN212419489U (en) | 2021-01-29 |
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| CN202021177607.4U Active CN212419489U (en) | 2020-06-23 | 2020-06-23 | Blank making system of driven bevel gear |
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