CN113976794B - Progressive stamping forming equipment for wheel nuts - Google Patents
Progressive stamping forming equipment for wheel nuts Download PDFInfo
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- CN113976794B CN113976794B CN202111152044.2A CN202111152044A CN113976794B CN 113976794 B CN113976794 B CN 113976794B CN 202111152044 A CN202111152044 A CN 202111152044A CN 113976794 B CN113976794 B CN 113976794B
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- 230000000750 progressive effect Effects 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 179
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000004080 punching Methods 0.000 claims description 72
- 238000012545 processing Methods 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 25
- 230000008569 process Effects 0.000 description 23
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/022—Special design or construction multi-stage forging presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/10—Piercing billets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/64—Making machine elements nuts
Abstract
The invention belongs to the field of manufacturing of wheel nuts, and particularly relates to progressive stamping forming equipment for wheel nuts. Including frame, stamping mechanism, outer wall mound thick mechanism, outer shoulder hole forming mechanism, interior shoulder hole forming mechanism and pushing away material actuating mechanism, the frame middle part level is equipped with work platform, and outer wall mound thick mechanism, outer shoulder hole forming mechanism and interior shoulder hole forming mechanism set gradually along work platform's length direction, and stamping mechanism's output is connected with outer wall mound thick mechanism, outer shoulder hole forming mechanism and interior shoulder hole forming mechanism transmission respectively, and a plurality of outputs of pushing away material actuating mechanism run through the inside that sets up in outer wall mound thick mechanism, outer shoulder hole forming mechanism and interior shoulder hole forming mechanism respectively. The device can synchronously punch the wheel nuts in three different states, so that the machining efficiency is greatly improved, and the progressive stamping mode is adopted, so that the device is higher in forming precision compared with the disposable stamping forming mode, and the qualification rate of products is improved.
Description
Technical Field
The invention relates to the field of manufacturing of wheel nuts, in particular to progressive stamping forming equipment for wheel nuts.
Background
Wheel nuts in the current market are generally manufactured by turning pins by adopting lathes such as manual meters, automatic meters or numerical control lathes. The turning pin processing has the defects of large material loss, low production efficiency, rough product precision and the like, and can not meet the requirements of large demand, high precision requirement and the like in the current market.
The prior art also comprises extrusion forming equipment, but the equipment can only process one part at a time, has low working efficiency, and can easily cause uneven deformation of the part due to continuous stamping, so that the precision of the part is reduced, the processing mode of the end part of the wheel nut is complex, and the strength of the end part of the wheel nut is improved.
Therefore, there is a need for a progressive stamping forming apparatus for wheel nuts that solves the above-mentioned problems.
Disclosure of Invention
Based on this, it is necessary to provide a progressive press forming apparatus for wheel nuts against the problems of the prior art.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
according to one aspect of the invention, a progressive stamping forming device for a wheel nut is provided, the progressive stamping forming device comprises the wheel nut, the progressive stamping forming device comprises a wheel nut, the wheel nut comprises a threaded hole, a convex ring, an outer stepped hole and an inner stepped hole, and further comprises a frame, a stamping mechanism, an outer wall upsetting mechanism, an outer stepped hole forming mechanism, an inner stepped hole forming mechanism and a pushing driving mechanism, a working platform is horizontally arranged in the middle of the frame, the stamping mechanism is vertically arranged at the top end of the frame, the output end of the stamping mechanism is vertically downwards arranged, the outer wall upsetting mechanism, the outer stepped hole forming mechanism and the inner stepped hole forming mechanism respectively used for processing the convex ring, the outer stepped hole and the inner stepped hole are vertically arranged on the working platform, the outer wall upsetting mechanism, the outer stepped hole forming mechanism and the inner stepped hole forming mechanism are sequentially arranged along the length direction of the working platform, the output end of the stamping mechanism is respectively in transmission connection with the outer wall upsetting mechanism, the outer stepped hole forming mechanism and the inner stepped hole forming mechanism, the pushing driving mechanism is vertically arranged at the bottom end of the frame, and a plurality of output ends of the pushing driving mechanism respectively penetrate through the inner stepped hole forming mechanism and the outer wall upsetting mechanism and the outer stepped hole forming mechanism.
Preferably, the outer wall upsetting mechanism comprises a first fixed outer die, a fixed inner die, a first stamping die and a central inserting rod, wherein the first fixed outer die is vertically and fixedly installed on the working platform, the fixed inner die is vertically and fixedly installed in the first fixed outer die, the first stamping die is vertically arranged right above the fixed inner die, the top end of the first stamping die is in transmission connection with the output end of the stamping mechanism, the central inserting rod is vertically and slidably arranged at the bottom end of the first stamping die, and the first fixed outer die, the fixed inner die, the first stamping die and the central inserting rod are coaxially arranged, and the outer diameter of the central inserting rod is consistent with the diameter of the threaded bore.
Preferably, the outer wall upsetting mechanism further comprises a first spring, the first mounting groove is formed in the center of the bottom end of the first stamping die in a recessed mode from top to bottom, the central insertion rod can be slidably arranged in the first mounting groove, the first spring is arranged in the first mounting groove, the top end of the first spring is fixedly connected with the top end of the first mounting groove, and the bottom end of the first spring is fixedly connected with the top end of the central insertion rod.
Preferably, the outer stepped hole forming mechanism comprises a second fixed outer die, a first sliding inner die, a second stamping die and an outer stepped punching column, wherein the second fixed outer die is vertically and fixedly arranged on a working platform, the first sliding inner die is vertically and slidably arranged in the second fixed outer die, the second stamping die is vertically arranged right above the first sliding inner die, the top end of the second stamping die is in transmission connection with the output end of the stamping mechanism, a first abutting extrusion ring is horizontally sleeved on the second stamping die, the outer diameter of the first abutting extrusion ring is larger than the outer diameter of a threaded hole and smaller than the inner diameter of the second fixed outer die, the outer stepped punching column is fixedly arranged at the center of the bottom end of the second fixed outer die, the outer diameter of the top end of the outer stepped punching column is consistent with the outer stepped hole in length, and a first through hole consistent with the outer diameter of the convex ring is arranged in the middle of the first sliding inner die.
Preferably, the outer stepped hole forming mechanism further comprises a second spring, the second spring is vertically arranged in the second fixed outer die, the top end of the second spring is fixedly connected with the bottom end of the first sliding inner die, and the bottom end of the second spring is fixedly connected with the bottom end of the second fixed outer die.
Preferably, the outer stepped hole forming mechanism further comprises a first push pipe, the first push pipe is vertically arranged in the second fixed outer die in a sliding mode, a first limiting bearing ring used for limiting and bearing the bottom end of the wheel nut is arranged in the first push pipe, the inner diameter of the first limiting bearing ring is consistent with the outer diameter of the outer stepped punching column, the outer diameter of the first push pipe is consistent with the inner diameter of the first sliding inner die, and the inner diameter of the first push pipe is consistent with the outer diameter of the outer side wall of the wheel nut.
Preferably, the inner stepped hole forming mechanism comprises a third fixed outer die, a second sliding inner die, a third stamping die and an inner stepped punching column, wherein the third fixed outer die is vertically and fixedly arranged on a working platform, the second sliding inner die is vertically and slidably arranged in the third fixed outer die, the third stamping die is vertically arranged right above the second sliding inner die, the top end of the third stamping die is in transmission connection with the output end of the stamping mechanism, a second abutting extrusion ring is horizontally sleeved on the third stamping die, the outer diameter of the second abutting extrusion ring is larger than the outer diameter of a threaded hole and smaller than the inner diameter of the third fixed outer die, the inner stepped punching column is fixedly arranged at the center of the bottom end of the third fixed outer die, the outer diameter of the top end of the inner stepped punching column is consistent with the outer stepped hole, and a second through hole consistent with the outer diameter of the convex ring is arranged in the middle of the second sliding inner die.
Preferably, the inner stepped hole forming mechanism further comprises a third spring, the third spring is vertically arranged in the third fixed outer die, the top end of the third spring is fixedly connected with the bottom end of the second sliding inner die, and the bottom end of the third spring is fixedly connected with the bottom end of the third fixed outer die.
Preferably, the inner stepped hole forming mechanism further comprises a second push pipe, the second push pipe is vertically and slidably arranged in the third fixed outer die, a second limiting bearing ring used for limiting and bearing the bottom end of the wheel nut is arranged in the second push pipe, the inner diameter of the second limiting bearing ring is consistent with the outer diameter of the inner stepped punching column, the outer diameter of the second push pipe is consistent with the inner diameter of the second sliding inner die, and the inner diameter of the second push pipe is consistent with the outer diameter of the outer side wall of the wheel nut.
Preferably, the pushing driving mechanism comprises a first pushing driving assembly and a second pushing driving assembly, the first pushing driving assembly and the second pushing driving assembly are vertically arranged at the lower half part of the frame, the output end of the first pushing driving assembly is penetrated and arranged inside the outer wall upsetting mechanism, and the two output ends of the second pushing driving assembly are respectively penetrated and arranged inside the outer stepped hole forming mechanism and the inner stepped hole forming mechanism.
Compared with the prior art, the beneficial effects of this application are:
1. the wheel nuts in different processing states are carried to the corresponding processing stations through the carrying mechanical arm, so that the device can realize the punching processing of the wheel nuts in three different states in one punching process, the processing efficiency is greatly improved, and due to the progressive punching mode, the forming precision of the wheel nuts is higher compared with that of one-time punching forming, and the qualification rate of products is further improved.
2. The machining of the convex ring on the outer wall of the wheel nut is carried out in a upsetting mode, so that the structural strength of the convex ring end is increased, the connection is firm, the cutting is avoided, and the machining efficiency is improved.
3. The limiting function during upsetting is achieved through the central inserting rod, after upsetting is completed, the fixed inner die rises, the central inserting rod synchronously rises along with the fixed inner die through the elastic force of the first spring, and the reset function of the central inserting rod is achieved.
4. The outer stepped hole punching and perforating process is started through the outer stepped hole forming mechanism, the bottom end of the wheel nut is punched out of the outer stepped hole through the top end of the outer stepped punching column, and then the outer stepped hole punching process is completed.
5. The inner stepped hole punching and perforating process is started through the inner stepped hole forming mechanism, the bottom end of the wheel nut is punched out of the inner stepped hole through the top end of the inner stepped punching column, the inner stepped hole punching process is further completed, the inner stepped hole punching and perforating device is matched with the outer stepped hole forming mechanism, synchronous double punching operation can be achieved, equipment can synchronously punch two parts, and working efficiency is improved.
6. The pushing driving mechanism outputs and drives a first pushing tube in transmission connection with the pushing driving mechanism to move upwards, the first limiting bearing ring drives a wheel nut in contact with the pushing driving mechanism to synchronously realize a lifting function, and then the wheel nut is pushed out of the first sliding inner die, so that the carrying manipulator carries the wheel nut, and when stamping is carried out, the first pushing tube descends synchronously along with the stamping process, and interference to the stamping process is prevented.
7. The pushing driving mechanism outputs and drives a second pushing tube in transmission connection with the pushing driving mechanism to move upwards, the second limiting bearing ring drives a wheel nut in contact with the pushing driving mechanism to synchronously realize a lifting function, and then the wheel nut is pushed out of the second sliding internal mold, so that the carrying manipulator carries the wheel nut, and when stamping is carried out, the second pushing tube descends synchronously along with the stamping process, and interference to the stamping process is prevented.
8. The blanking operation can be completed simultaneously through different processing procedures by the first pushing driving assembly and the second pushing driving assembly, and the second pushing driving assembly can synchronously perform blanking driving on parts in the outer stepped hole forming mechanism and the inner stepped hole forming mechanism simultaneously, so that synchronous material changing function is realized, and working efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of an embodiment;
FIG. 2 is a front view of an embodiment;
FIG. 3 is a side view of an embodiment;
FIG. 4 is a partial structural elevation view of the embodiment;
fig. 5 is a schematic perspective view of a pushing driving mechanism according to an embodiment;
FIG. 6 is a schematic illustration of a process flow of an embodiment of a wheel nut;
FIG. 7 is a second schematic illustration of a process flow of the wheel nut of the embodiment;
FIG. 8 is a top view showing the operation states of the outer wall upsetting mechanism, the outer stepped hole forming mechanism and the inner stepped hole forming mechanism of the embodiment;
FIG. 9 is a front view after the working state of the outer wall upsetting mechanism, the outer stepped hole forming mechanism and the inner stepped hole forming mechanism of the embodiment;
FIG. 10 is a cross-sectional view at A-A of FIG. 8;
FIG. 11 is a cross-sectional view at D-D in FIG. 9;
FIG. 12 is a cross-sectional view at B-B in FIG. 8;
FIG. 13 is a cross-sectional view taken at E-E of FIG. 9;
FIG. 14 is a cross-sectional view taken at C-C of FIG. 8;
fig. 15 is a cross-sectional view at F-F in fig. 9.
The reference numerals in the figures are:
1-a frame; 2-a stamping mechanism; 3-an outer wall upsetting mechanism; 4-an outer stepped hole forming mechanism; 5-an inner stepped hole forming mechanism; 6-a pushing driving mechanism; 7-wheel nuts; 1 A-A working platform; 3 A-A first fixed outer mould; 3 b-fixing the inner mold; 3b 1-a first avoidance slot; 3b 2-an annular forming groove; 3 c-a first stamping die; 3c 1-a first mounting groove; 3c 2-extending the press ring; 3 d-center insert rod; 3 e-a first spring; 4 A-A second fixed outer mold; 4 b-a first sliding internal mold; 4b 1-a first through hole; 4 c-a second stamping die; 4c 1-a first conflicting extrusion ring; 4 d-outer step punching columns; 4 e-a second spring; 4 f-a first push tube; 4f 1-a first limit bearing ring; 5 A-A third fixed outer mold; 5 b-a second sliding inner mold; 5b 1-a second through hole; 5 c-a third stamping die; 5c 1-a second conflicting extrusion ring; 5 d-an inner step punching column; 5 e-a third spring; 5 f-a second push tube; 5f 1-a second limiting bearing ring; 6 A-A first pushing drive assembly; 6a 1-a first linear drive; 6a 2-a first pushing plate; 6a 3-a first thimble; 6 b-a second pushing drive assembly; 6b 1-a second linear drive; 6b 2-a second pushing plate; 6b 3-a second thimble; 6b 4-a third thimble; 7 A-A threaded hole; 7 b-a convex ring; 7 c-an outer stepped hole; 7 d-inner stepped bore.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
As shown in fig. 1-7:
the utility model provides a progressive stamping forming equipment of wheel nut, including wheel nut 7, wheel nut 7 is including screw hole 7a, bulge loop 7b, outer shoulder hole 7c and interior shoulder hole 7d, still including frame 1, stamping mechanism 2, outer wall mound thick mechanism 3, outer shoulder hole forming mechanism 4, interior shoulder hole forming mechanism 5 and pushing away material actuating mechanism 6, frame 1 middle part level is equipped with work platform 1a, stamping mechanism 2 vertical setting is on the top of frame 1, stamping mechanism 2's output sets up vertically downwards, be used for processing bulge loop 7b respectively, outer shoulder hole 7c and interior shoulder hole 7 d's outer wall mound thick mechanism 3, outer shoulder hole forming mechanism 4 and interior shoulder hole forming mechanism 5 all vertical setting on work platform 1a, outer wall mound thick mechanism 3, outer shoulder hole forming mechanism 4 and interior shoulder hole forming mechanism 5 set gradually along the length direction of work platform 1a, stamping mechanism 2's output respectively with outer wall mound thick mechanism 3, outer shoulder hole forming mechanism 4 and interior shoulder hole forming mechanism 5 transmission connection, pushing away material actuating mechanism 6 vertical setting is at frame 1's bottom, pushing away material actuating mechanism 6 sets up at a plurality of step hole forming mechanism's 3 and interior shoulder hole forming mechanism 5 respectively.
Based on the above-mentioned embodiment, when equipment starts working, carry the wheel nut 7 that is in different processing conditions to its corresponding processing station through carrying the manipulator for the equipment can realize carrying out punching press processing to the wheel nut 7 of three different states in a punching press process, has improved machining efficiency greatly, and because adopt progressive stamping mode, compare in disposable stamping forming, the shaping precision of wheel nut 7 is higher, and then has improved the qualification rate of product.
Specifically, the outer wall upsetting mechanism 3, the outer stepped hole forming mechanism 4 and the inner stepped hole forming mechanism 5 are driven to be respectively punched and output through the output of the punching mechanism 2, so that the wheel nuts 7 in different states in the outer wall upsetting mechanism, the outer stepped Kong Yazhi forming and the inner stepped Kong Yazhi forming are sequentially carried out on the wheel nuts 7, after one-time punching is completed, the wheel nuts 7 in an unprocessed state are placed in the outer wall upsetting mechanism 3, formed products are obtained after the internal punching of the inner stepped hole forming mechanism 5 is completed, the wheel nuts 7 in an unprocessed state can be sequentially punched and formed through the outer wall upsetting mechanism 3, the outer stepped hole forming mechanism 4 and the inner stepped hole forming mechanism 5, and parts in three different processing states are pushed out of the equipment through the pushing driving mechanism 6, namely the equipment can process three workpieces at one time, and the working efficiency is greatly improved.
Further, as shown in fig. 8-9 and fig. 10-11:
the outer wall upsetting mechanism 3 comprises a first fixed outer die 3a, a fixed inner die 3b, a first stamping die 3c and a central inserting rod 3d, wherein the first fixed outer die 3a is vertically and fixedly arranged on a working platform 1a, the fixed inner die 3b is vertically and fixedly arranged in the first fixed outer die 3a, the first stamping die 3c is vertically arranged right above the fixed inner die 3b, the top end of the first stamping die 3c is in transmission connection with the output end of the stamping mechanism 2, the central inserting rod 3d is vertically and slidably arranged at the bottom end of the first stamping die 3c, the first fixed outer die 3a, the fixed inner die 3b, the first stamping die 3c and the central inserting rod 3d are coaxially arranged, and the outer diameter of the central inserting rod 3d is consistent with the diameter length of the threaded hole 7 a.
According to the embodiment, when the outer wall upsetting mechanism 3 works, the wheel nut 7 raw material to be processed is firstly put into the first fixed outer die 3a through the carrying manipulator, the wheel nut 7 raw material to be processed is carried and limited through the fixed inner die 3b, the fixed inner die 3b is provided with the first avoiding groove 3b1 consistent with the outer diameter of the outer wall of the wheel nut 7, the top end of the fixed inner die 3b is provided with the annular forming groove 3b2 consistent with the upsetting convex ring 7b in shape, the first stamping die 3c is provided with the extending stamping ring 3c2 matched with the annular forming groove 3b2, the first stamping die 3c in driving connection with the first stamping die is driven to descend through the output of the stamping mechanism 2, the top end of the wheel nut 7 is upsetted into the annular forming groove 3b2 under the action of the extending stamping ring 3c2, the convex ring 7b on the wheel nut 7 is formed, and in the upsetting process, the center inserting rod 3d is used for being inserted into the threaded hole 7a to prevent the convex ring 7b from deforming.
Further, as shown in fig. 8-9 and fig. 10-11:
the outer wall upsetting mechanism 3 further comprises a first spring 3e, a first mounting groove 3c1 is formed in the center of the bottom end of the first stamping die 3c in a recessed mode from top to bottom, the center inserting rod 3d can be slidably arranged in the first mounting groove 3c1, the first spring 3e is arranged in the first mounting groove 3c1, the top end of the first spring 3e is fixedly connected with the top end of the first mounting groove 3c1, and the bottom end of the first spring 3e is fixedly connected with the top end of the center inserting rod 3 d.
Based on the above embodiment, in the process of lowering the fixed inner die 3b, the center insert rod 3d is first introduced into the threaded hole 7a, after the bottom end of the center insert rod 3d is completely inserted into the bottom end of the threaded hole 7a, the fixed inner die 3b continues to be downward, at this time, the first spring 3e compresses, so that the center insert rod 3d is firmly abutted inside the threaded hole 7a, so as to realize the limit function when upsetting, after upsetting is completed, the fixed inner die 3b rises, and the center insert rod 3d rises synchronously with the fixed inner die 3b through the elastic force of the first spring 3e, thereby realizing the reset function of the center insert rod 3 d.
Further, as shown in fig. 8-9 and fig. 12-13:
the outer stepped hole forming mechanism 4 comprises a second fixed outer die 4a, a first sliding inner die 4b, a second punching die 4c and an outer stepped punching column 4d, wherein the second fixed outer die 4a is vertically and fixedly arranged on the working platform 1a, the first sliding inner die 4b is vertically and slidably arranged in the second fixed outer die 4a, the second punching die 4c is vertically arranged right above the first sliding inner die 4b, the top end of the second punching die 4c is in transmission connection with the output end of the punching mechanism 2, a first abutting extrusion ring 4c1 is horizontally sleeved on the second punching die 4c, the outer diameter of the first abutting extrusion ring 4c1 is larger than the outer diameter of a threaded hole 7a and smaller than the inner diameter of the second fixed outer die 4a, the outer stepped punching column 4d is fixedly arranged at the center of the bottom end of the second fixed outer die 4a, the outer end outer diameter of the outer stepped punching column 4d is consistent with the outer stepped hole 7c in diameter, and a first through hole 4b1 consistent with the outer diameter of the convex ring 7b is arranged in the middle of the first sliding inner die 4 b.
Based on the above embodiment, when the outer stepped hole forming mechanism 4 works, firstly, the semi-finished wheel nut 7 after finishing upsetting in the outer wall upsetting mechanism 3 is placed into the second fixed outer mold 4a0 by the carrying manipulator, the semi-finished wheel nut 7 is located in the first sliding inner mold 4b, the end of the second punching mold 4c is inserted into the threaded hole 7a of the wheel nut 7, then the first sliding inner mold 4b is driven to integrally descend by the first abutting and pressing ring 4c1, the semi-finished wheel nut 7 descends synchronously with the first sliding inner mold 4b, after the bottom of the semi-finished wheel nut 7 abuts against the outer stepped punching column 4d, the limiting function is completed, the second punching mold 4c descends continuously, the punching and punching process is started, the bottom end of the wheel nut 7 is punched out of the outer stepped hole 7c by the top end of the outer stepped punching column 4d, and the outer stepped hole 7c punching process is completed.
Further, as shown in fig. 8-9 and fig. 12-13:
the outer stepped hole forming mechanism 4 further comprises a second spring 4e, the second spring 4e is vertically arranged in the second fixed outer die 4a, the top end of the second spring 4e is fixedly connected with the bottom end of the first sliding inner die 4b, and the bottom end of the second spring 4e is fixedly connected with the bottom end of the second fixed outer die 4 a.
Based on the above embodiment, by arranging the second spring 4e in the second fixed outer mold 4a, the first sliding inner mold 4b can be slidably arranged in the second fixed outer mold 4a, when punching is performed, the second spring 4e compresses, so that the first sliding inner mold 4b can vertically descend, and after punching is completed, the second spring 4e drives the first sliding inner mold 4b to reset, so that the function that the first sliding inner mold 4b slides inside the second fixed outer mold 4a is realized.
Further, as shown in fig. 8-9 and fig. 12-13:
the outer stepped hole forming mechanism 4 further comprises a first push pipe 4f, the first push pipe 4f is vertically and slidably arranged in the second fixed outer die 4a, a first limiting bearing ring 4f1 used for limiting and bearing the bottom end of the wheel nut 7 is arranged in the first push pipe 4f, the inner diameter of the first limiting bearing ring 4f1 is consistent with the outer diameter of the outer stepped punching column 4d, the outer diameter of the first push pipe 4f is consistent with the inner diameter of the first sliding inner die 4b, and the inner diameter of the first push pipe 4f is consistent with the outer diameter of the outer side wall of the wheel nut 7.
Based on the above embodiment, when the wheel nut 7 punched in the outer stepped hole forming mechanism 4 is required to be fed, the pushing driving mechanism 6 outputs and drives the first pushing tube 4f in transmission connection with the pushing driving mechanism to move upwards, the wheel nut 7 contacted with the first limiting bearing ring 4f1 is driven to synchronously realize the lifting function, and the wheel nut 7 is pushed out of the first sliding inner die 4b, so that the carrying manipulator carries the wheel nut 7, and when punching is performed, the first pushing tube 4f descends synchronously following the punching process, so that interference to the punching process is prevented.
Further, as shown in fig. 8-9 and fig. 14-15:
the inner stepped hole forming mechanism 5 comprises a third fixed outer die 5a, a second sliding inner die 5b, a third stamping die 5c and an inner stepped punching column 5d, wherein the third fixed outer die 5a is vertically and fixedly arranged on the working platform 1a, the second sliding inner die 5b is vertically and slidably arranged in the third fixed outer die 5a, the third stamping die 5c is vertically arranged right above the second sliding inner die 5b, the top end of the third stamping die 5c is in transmission connection with the output end of the stamping mechanism 2, a second abutting extrusion ring 5c1 is horizontally sleeved on the third stamping die 5c, the outer diameter of the second abutting extrusion ring 5c1 is larger than the outer diameter of a threaded hole 7a and smaller than the inner diameter of the third fixed outer die 5a, the inner stepped punching column 5d is fixedly arranged at the center of the bottom end of the third fixed outer die 5a, the outer diameter of the top end of the inner stepped punching column 5d is consistent with the outer stepped hole 7c, and a second through hole 5b1 consistent with the outer diameter of the convex ring 7b is arranged in the middle of the second sliding inner die 5 b.
Based on the above embodiment, when the inner stepped hole forming mechanism 5 works, firstly, the semi-finished wheel nut 7 with the outer stepped hole 7c punched in the outer stepped hole forming mechanism 4 is placed into the third fixed outer mold 5a0 by the carrying manipulator, the semi-finished wheel nut 7 is located in the second sliding inner mold 5b, the end of the third punching mold 5c is inserted into the threaded hole 7a of the wheel nut 7, then the second sliding inner mold 5b is driven to integrally descend by the second abutting extrusion ring 5c1, the semi-finished wheel nut 7 descends synchronously with the second sliding inner mold 5b, after the bottom of the outer stepped hole 7c on the semi-finished wheel nut 7 abuts against the inner stepped punching column 5d, the limiting function is completed, the third punching mold 5c descends continuously, the punching and punching process is started, the bottom end of the wheel nut 7 is punched into the inner stepped hole 7d by the top end of the inner stepped punching column 5d, and then the inner stepped hole 7d is completed.
Further, as shown in fig. 8-9 and fig. 14-15:
the inner stepped hole forming mechanism 5 further comprises a third spring 5e, the third spring 5e is vertically arranged in the third fixed outer die 5a, the top end of the third spring 5e is fixedly connected with the bottom end of the second sliding inner die 5b, and the bottom end of the third spring 5e is fixedly connected with the bottom end of the inside of the third fixed outer die 5 a.
Based on the above embodiment, by arranging the third spring 5e in the third fixed outer mold 5a, the second sliding inner mold 5b can be slidably arranged in the third fixed outer mold 5a, when the punching is performed, the third spring 5e compresses, so that the second sliding inner mold 5b can vertically descend, and after the punching is completed, the second sliding inner mold 5b is driven to reset by the third spring 5e, so that the function that the second sliding inner mold 5b slides inside the third fixed outer mold 5a is realized.
Further, as shown in fig. 8-9 and fig. 14-15:
the inner stepped hole forming mechanism 5 further comprises a second push pipe 5f, the second push pipe 5f is vertically and slidably arranged in the third fixed outer die 5a, a second limiting bearing ring 5f1 used for limiting and bearing the bottom end of the wheel nut 7 is arranged in the second push pipe 5f, the inner diameter of the second limiting bearing ring 5f1 is consistent with the outer diameter of the inner stepped punching column 5d, the outer diameter of the second push pipe 5f is consistent with the inner diameter of the second sliding inner die 5b, and the inner diameter of the second push pipe 5f is consistent with the outer diameter of the outer side wall of the wheel nut 7.
Based on the above embodiment, when the wheel nut 7 after the stamping inside the inner stepped hole forming mechanism 5 is required to be blanked, the pushing driving mechanism 6 outputs and drives the second pushing tube 5f in transmission connection with the second pushing tube to move upwards, the wheel nut 7 in contact with the second limiting bearing ring 5f1 is driven to synchronously achieve the lifting function, and the wheel nut 7 is pushed out of the second sliding inner die 5b, so that the carrying manipulator carries the wheel nut 7, and when the stamping is performed, the second pushing tube 5f descends synchronously following the stamping process, and interference to the stamping process is prevented.
Further, as shown in fig. 4-5:
the pushing driving mechanism 6 comprises a first pushing driving assembly 6a and a second pushing driving assembly 6b, the first pushing driving assembly 6a and the second pushing driving assembly 6b are vertically arranged at the lower half part of the frame 1, the output end of the first pushing driving assembly 6a is penetrated and arranged inside the outer wall upsetting mechanism 3, and the two output ends of the second pushing driving assembly 6b are respectively penetrated and arranged inside the outer stepped hole forming mechanism 4 and the inner stepped hole forming mechanism 5.
Based on the above embodiment, the blanking operation can be completed simultaneously through the first pushing driving assembly 6a and the second pushing driving assembly 6b in different processing procedures, and the second pushing driving assembly 6b can synchronously perform blanking driving on the parts in the outer stepped hole forming mechanism 4 and the inner stepped hole forming mechanism 5 simultaneously, so that the synchronous material changing function is realized, and the working efficiency is improved.
Specifically, first ejector driving assembly 6a is including first mounting bracket, first linear drive 6a1, first ejector blade 6a2 and first thimble 6a3, first mounting bracket fixed mounting is in the bottom of work platform 1a, first linear drive 6a1 vertical fixed mounting is on first mounting bracket, first linear drive 6a1 is located outer wall pier thick mechanism 3 under, first ejector blade 6a2 level sets up between first mounting bracket and work platform 1a, the bottom of first ejector blade 6a2 and the output fixed connection of first linear drive 6a1, first thimble 6a3 vertical setting is in fixed centre 3b below, the bottom of first thimble 6a3 and first ejector blade 6a2 fixed connection, the top of first thimble 6a3 runs through first fixed outer mould 3a bottom and sets up inside first outer mould 3a, during first ejector driving assembly 6a work, output through first linear drive 6a1 drives first ejector blade 6a2 fixed connection with it and moves upward, first ejector blade 6a3 is located the fixed connection of first ejector blade 3a, and ejector nut 3 is located the fixed centre 3a and is located the fixed centre 3b of first ejector blade that is located upward, and the ejector nut is fixed to the ejector nut is located.
Further, the second pushing drive assembly 6b still includes the second mounting bracket, second linear drive 6b1, second pushing push pedal 6b2, second thimble 6b3 and third thimble 6b4, second mounting bracket horizontal fixed mounting is inside frame 1, the vertical fixed mounting of second linear drive 6b1 is on the second mounting bracket, second linear drive 6b1 is located the below of outer shoulder hole forming mechanism 4 and interior shoulder hole forming mechanism 5, second pushing push pedal 6b2 level sets up between second mounting bracket and frame 1, the bottom of second pushing push pedal 6b2 and the output fixed connection of second linear drive 6b1, second thimble 6b3 and third thimble 6b4 are vertical setting respectively in the below of first slip centre 4b and second slip centre 5b, the bottom of second thimble 6b3 and third thimble 6b4 all is fixed connection with second pushing push pedal 6b2, the top second fixed connection 4a bottom of second outer die 6b3 is set up at second shoulder hole forming mechanism 4a and interior shoulder hole forming mechanism 5, the top end fixed connection of second ejector 6b is in the second centre 4a fixed connection with the second centre 5b 6b, the top end of second ejector 6b3 and the outside the outer die 6b fixed connection of second centre 5b and the second centre 5b fixed connection of ejector 6b, the ejector nut is realized in the second push pedal 6b fixed connection with the second centre 5b and the outside the second centre 5b fixed connection of the second push pedal 6b1, the top end of the second ejector 6b fixed connection is moved in step hole 6b and the second ejector 6b fixed connection with the second ejector 6b4, and the second ejector 6b fixed connection is driven in the top end of the second ejector 6b fixed connection is in the second ejector 6b fixed top of the ejector 6b, and the ejector 6b is in the ejector die and the ejector die is in the ejector frame.
It should be noted that the second thimble 6b3 is fixedly connected with the bottom end of the first pushing tube 4f, and the third thimble 6b4 is fixedly connected with the bottom end of the second pushing tube 5 f.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (5)
1. The progressive stamping forming equipment for the wheel nuts comprises the wheel nuts (7), wherein the wheel nuts (7) comprise threaded holes (7 a), convex rings (7 b), outer stepped holes (7 c) and inner stepped holes (7 d), and are characterized by further comprising a frame (1), a stamping mechanism (2), an outer wall upsetting mechanism (3), an outer stepped hole forming mechanism (4), an inner stepped hole forming mechanism (5) and a pushing driving mechanism (6), a working platform (1 a) is horizontally arranged in the middle of the frame (1), the stamping mechanism (2) is vertically arranged at the top end of the frame (1), the output end of the stamping mechanism (2) is vertically downwards arranged, the outer wall upsetting mechanism (3), the outer stepped hole forming mechanism (4) and the inner stepped hole forming mechanism (5) are respectively used for processing the convex rings (7 b), the outer stepped holes (7 c) and the inner stepped holes (7 d), the outer wall upsetting mechanism (3), the outer stepped hole forming mechanism (4) and the inner stepped hole forming mechanism (5) are vertically arranged on the working platform (1 a), the outer wall upsetting mechanism (4) and the inner stepped hole forming mechanism (5) are sequentially arranged along the length direction of the working platform (1 a), the output end of the stepped mechanism (2) is connected with the outer wall upsetting mechanism (4) and the outer stepped hole forming mechanism (5), the pushing driving mechanism (6) is vertically arranged at the bottom end of the frame (1), and a plurality of output ends of the pushing driving mechanism (6) are respectively arranged in the outer wall upsetting mechanism (3), the outer stepped hole forming mechanism (4) and the inner stepped hole forming mechanism (5) in a penetrating way;
the outer wall upsetting mechanism (3) comprises a first fixed outer die (3 a), a fixed inner die (3 b), a first stamping die (3 c) and a central inserting rod (3 d), wherein the first fixed outer die (3 a) is vertically and fixedly arranged on a working platform (1 a), the fixed inner die (3 b) is vertically and fixedly arranged in the first fixed outer die (3 a), the first stamping die (3 c) is vertically arranged right above the fixed inner die (3 b), the top end of the first stamping die (3 c) is in transmission connection with the output end of the stamping mechanism (2), the central inserting rod (3 d) is vertically and slidably arranged at the bottom end of the first stamping die (3 c), the first fixed outer die (3 a), the fixed inner die (3 b), the first stamping die (3 c) and the central inserting rod (3 d) are coaxially arranged, and the outer diameter of the central inserting rod (3 d) is consistent with the diameter of a threaded hole (7 a);
the outer wall upsetting mechanism (3) further comprises a first spring (3 e), a first mounting groove (3 c 1) is formed in the center of the bottom end of the first stamping die (3 c) in a recessed mode from top to bottom, a center insertion rod (3 d) can be arranged in the first mounting groove (3 c 1) in a sliding mode, the first spring (3 e) is arranged in the first mounting groove (3 c 1), the top end of the first spring (3 e) is fixedly connected with the top end of the first mounting groove (3 c 1), and the bottom end of the first spring (3 e) is fixedly connected with the top end of the center insertion rod (3 d);
a first avoiding groove (3 b 1) which is consistent with the outer diameter of the outer wall of the wheel nut (7) is formed in the fixed inner mold (3 b), an annular forming groove (3 b 2) which is consistent with the shape of the upsetting convex ring (7 b) is formed in the top end of the fixed inner mold (3 b), and an extending stamping ring (3 c 2) which is matched with the annular forming groove (3 b 2) is arranged on the first stamping mold (3 c);
the outer stepped hole forming mechanism (4) comprises a second fixed outer die (4 a), a first sliding inner die (4 b), a second punching die (4 c) and an outer stepped punching column (4 d), wherein the second fixed outer die (4 a) is vertically and fixedly arranged on the working platform (1 a), the first sliding inner die (4 b) is vertically and slidingly arranged in the second fixed outer die (4 a), the second punching die (4 c) is vertically arranged right above the first sliding inner die (4 b), the top end of the second punching die (4 c) is in transmission connection with the output end of the punching mechanism (2), a first collision extrusion ring (4 c 1) is horizontally sleeved on the second punching die (4 c), the outer diameter of the first collision extrusion ring (4 c 1) is larger than the outer diameter of a threaded hole (7 a) and smaller than the inner diameter of the second fixed outer die (4 a), the outer stepped punching column (4 d) is fixedly arranged at the center of the bottom end of the second fixed outer die (4 a), the outer diameter of the outer stepped punching column (4 d) is consistent with the outer stepped hole (7 c), and the outer diameter of the outer stepped punching column (4 d) is consistent with the outer diameter of the first inner die (7 b) and the outer stepped hole is provided with a through hole (7 b);
the outer stepped hole forming mechanism (4) further comprises a second spring (4 e), the second spring (4 e) is vertically arranged in the second fixed outer die (4 a), the top end of the second spring (4 e) is fixedly connected with the bottom end of the first sliding inner die (4 b), and the bottom end of the second spring (4 e) is fixedly connected with the bottom end inside the second fixed outer die (4 a);
the outer stepped hole forming mechanism (4) further comprises a first push pipe (4 f), the first push pipe (4 f) is vertically arranged in the second fixed outer die (4 a) in a sliding mode, a first limiting bearing ring (4 f 1) used for limiting and bearing the bottom end of the wheel nut (7) is arranged in the first push pipe (4 f), the inner diameter of the first limiting bearing ring (4 f 1) is consistent with the outer diameter of the outer stepped punching column (4 d), the outer diameter of the first push pipe (4 f) is consistent with the inner diameter of the first sliding inner die (4 b), and the inner diameter of the first push pipe (4 f) is consistent with the outer diameter of the outer side wall of the wheel nut (7).
2. The progressive stamping forming device for the wheel nuts according to claim 1, wherein the inner stepped hole forming mechanism (5) comprises a third fixed outer die (5 a), a second sliding inner die (5 b), a third stamping die (5 c) and an inner stepped punching column (5 d), the third fixed outer die (5 a) is vertically and fixedly arranged on a working platform (1 a), the second sliding inner die (5 b) is vertically and slidably arranged in the third fixed outer die (5 a), the third stamping die (5 c) is vertically arranged right above the second sliding inner die (5 b), the top end of the third stamping die (5 c) is in transmission connection with the output end of the stamping mechanism (2), the second stamping die (5 c) is horizontally sleeved with a second abutting stamping ring (5 c 1), the outer diameter of the second abutting stamping ring (5 c 1) is larger than the outer diameter of a threaded hole (7 a) and smaller than the inner diameter of the third fixed outer die (5 a), the inner stepped column (5 d) is fixedly arranged at the bottom end of the third fixed outer die (5 a), and the top end of the third stamping die (5 c) is provided with a consistent with the outer diameter of the second stamping ring (7 c) and the outer diameter of the second stamping ring (5 b) is consistent with the outer diameter of the second stamping ring (7 b).
3. The progressive stamping forming device for the wheel nuts according to claim 2, wherein the inner stepped hole forming mechanism (5) further comprises a third spring (5 e), the third spring (5 e) is vertically arranged in the third fixed outer die (5 a), the top end of the third spring (5 e) is fixedly connected with the bottom end of the second sliding inner die (5 b), and the bottom end of the third spring (5 e) is fixedly connected with the bottom end inside the third fixed outer die (5 a).
4. A progressive stamping forming device for wheel nuts according to claim 3, characterized in that the inner stepped hole forming mechanism (5) further comprises a second push tube (5 f), the second push tube (5 f) is vertically and slidably arranged in the third fixed outer die (5 a), a second limiting bearing ring (5 f 1) for limiting and bearing the bottom end of the wheel nut (7) is arranged in the second push tube (5 f), the inner diameter of the second limiting bearing ring (5 f 1) is consistent with the outer diameter of the inner stepped punching column (5 d), the outer diameter of the second push tube (5 f) is consistent with the inner diameter of the second sliding inner die (5 b), and the inner diameter of the second push tube (5 f) is consistent with the outer diameter of the outer side wall of the wheel nut (7).
5. The progressive stamping forming device for wheel nuts according to claim 1, wherein the pushing driving mechanism (6) comprises a first pushing driving assembly (6 a) and a second pushing driving assembly (6 b), the first pushing driving assembly (6 a) and the second pushing driving assembly (6 b) are vertically arranged at the lower half part of the frame (1), the output end of the first pushing driving assembly (6 a) is penetrated and arranged inside the outer wall upsetting mechanism (3), and the two output ends of the second pushing driving assembly (6 b) are respectively penetrated and arranged inside the outer stepped hole forming mechanism (4) and the inner stepped hole forming mechanism (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111152044.2A CN113976794B (en) | 2021-09-29 | 2021-09-29 | Progressive stamping forming equipment for wheel nuts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111152044.2A CN113976794B (en) | 2021-09-29 | 2021-09-29 | Progressive stamping forming equipment for wheel nuts |
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| CN113976794B true CN113976794B (en) | 2024-03-19 |
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| GB842955A (en) * | 1957-09-13 | 1960-07-27 | Schostal Sa | Improvements in the manufacture of metal nuts and like parts |
| CN203109152U (en) * | 2012-12-29 | 2013-08-07 | 宾科汽车紧固件（昆山）有限公司 | V-shaped nut cold upsetting device |
| CN203879892U (en) * | 2014-04-15 | 2014-10-15 | 陕西重型汽车有限公司 | Wheel nut |
| CN204974783U (en) * | 2015-08-11 | 2016-01-20 | 浙江裕泰汽车配件有限公司 | Wheel nut multistation extrusion die |
| CN208033545U (en) * | 2018-04-12 | 2018-11-02 | 东风汽车紧固件有限公司 | A kind of automotive wheel cup nut multi-station cold-heading mold |
| CN112719189A (en) * | 2020-12-29 | 2021-04-30 | 苏州工业园区新凯精密五金有限公司 | Nut cold heading die and forming process |
-
2021
- 2021-09-29 CN CN202111152044.2A patent/CN113976794B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB842955A (en) * | 1957-09-13 | 1960-07-27 | Schostal Sa | Improvements in the manufacture of metal nuts and like parts |
| CN203109152U (en) * | 2012-12-29 | 2013-08-07 | 宾科汽车紧固件（昆山）有限公司 | V-shaped nut cold upsetting device |
| CN203879892U (en) * | 2014-04-15 | 2014-10-15 | 陕西重型汽车有限公司 | Wheel nut |
| CN204974783U (en) * | 2015-08-11 | 2016-01-20 | 浙江裕泰汽车配件有限公司 | Wheel nut multistation extrusion die |
| CN208033545U (en) * | 2018-04-12 | 2018-11-02 | 东风汽车紧固件有限公司 | A kind of automotive wheel cup nut multi-station cold-heading mold |
| CN112719189A (en) * | 2020-12-29 | 2021-04-30 | 苏州工业园区新凯精密五金有限公司 | Nut cold heading die and forming process |
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| CN113976794A (en) | 2022-01-28 |
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