CN116550922B - High-precision fool-proof cold forging forming device for production of multi-series jump buckle shaft - Google Patents
High-precision fool-proof cold forging forming device for production of multi-series jump buckle shaft Download PDFInfo
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- CN116550922B CN116550922B CN202310724631.7A CN202310724631A CN116550922B CN 116550922 B CN116550922 B CN 116550922B CN 202310724631 A CN202310724631 A CN 202310724631A CN 116550922 B CN116550922 B CN 116550922B
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- 238000010273 cold forging Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title description 7
- 238000001125 extrusion Methods 0.000 claims abstract description 50
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 230000002457 bidirectional effect Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 23
- 230000001960 triggered effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 238000005242 forging Methods 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation 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
- B21J9/10—Drives for forging presses
- B21J9/18—Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
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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
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/10—Manipulators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention relates to a high-precision fool-proof cold forging forming device for producing a plurality of series of jump buckle shafts, which comprises a base, vertical plates fixedly arranged on the side parts of the base and vertical to the vertical plates, and transverse plates fixedly arranged on the vertical plates and parallel to the base, wherein an extrusion head for extrusion processing of workpieces is movably arranged on the transverse plates through an elastic push-pull mechanism, the elastic push-pull mechanism is matched with a variable-diameter rotating mechanism arranged on the side parts of the vertical plates and used for driving the extrusion head to execute a pressing action, a straight plate parallel to the extrusion head is fixedly arranged on the base, two clamping pieces are movably arranged on the straight plates through a thread driving mechanism and are symmetrically distributed on the straight plates and used for fixedly limiting the workpieces to be processed, finally, the automation of the device processing is greatly improved, manual intervention operation is not needed, the processing efficiency is ensured, and the device is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field related to cold forging devices, in particular to a high-precision fool-proof cold forging forming device for producing a plurality of series of jump-buckle shafts.
Background
Cold die forging, cold extrusion, cold heading and other plastic working. Cold forging is a forming process of a material at a temperature equal to or lower than the recrystallization temperature, and is forging performed at a temperature equal to or lower than the recovery temperature. Forging without heating the blank is conventionally called cold forging in production. The cold forging materials are mainly aluminum and partial alloy, copper and partial alloy, low carbon steel, medium carbon steel and low alloy structural steel with smaller deformation resistance and better plasticity at room temperature. A step of
Cold forging, also known as cold volume forming, is a manufacturing process and a machining method. Substantially as in the cold stamping process. The cold forging process also comprises three elements of material, mould and equipment. Except that the material in the stamping process is mainly a plate material, and the material in the cold forging process is mainly a disc or wire. The cold forging has good surface quality and high dimensional accuracy, and can replace some cutting processing. The cold forging can strengthen the metal and improve the strength of the part.
At present, in order to ensure the final quality of a product in the production and processing of a trip shaft, a corresponding cold forging device is generally used for carrying out cold forging processing on a workpiece, however, in the prior cold forging processing device, during actual use, a worker is required to continuously adjust the position of the workpiece so as to maintain the continuous processing of the workpiece, and thus, the processing efficiency is not high and cannot be expected in ideal.
Disclosure of Invention
The invention aims to provide a high-precision fool-proof cold forging forming device for producing a plurality of series of jump-buckle shafts, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a high-precision fool-proof cold forging forming device for producing a plurality of series of jump buckle shafts comprises a base, a vertical plate fixedly arranged on the side part of the base and vertical to the base, and a transverse plate fixedly arranged on the vertical plate and parallel to the base;
the transverse plate is movably provided with an extrusion head for extrusion processing of a workpiece through an elastic push-pull mechanism, and the elastic push-pull mechanism is matched with a variable-diameter rotating mechanism arranged on the side part of the vertical plate and used for driving the extrusion head to execute a pressing action;
the base is fixedly provided with a straight plate parallel to the base, the straight plate is movably provided with two clamping pieces through a thread driving mechanism, and the two clamping pieces are arranged in an arc shape and symmetrically distributed on the straight plate and used for fixing and limiting a workpiece to be processed;
the transverse plate is also provided with a one-way transmission mechanism which is connected with the thread driving mechanism and the elastic push-pull mechanism and is triggered in the process of pressing down the extrusion head.
As a further scheme of the invention: the elastic push-pull mechanism comprises a telescopic component which is arranged on the transverse plate and connected with the extrusion head, and two groups of elastic sliding components which are symmetrically arranged on the transverse plate, wherein the two groups of elastic sliding components are connected with the telescopic component, and one group of elastic sliding components are connected with the unidirectional transmission mechanism.
As still further aspects of the invention: the telescopic component comprises a guide plate fixedly mounted on the transverse plate and perpendicular to the transverse plate and a telescopic plate which is arranged in a hollow structure and is in sliding fit with the guide plate, and the extrusion head is detachably arranged at one end of the telescopic plate away from the transverse plate.
As still further aspects of the invention: the elastic sliding assembly comprises a cross rod fixedly installed on the cross rod, a sliding block arranged on the cross rod in a sliding mode and a second spring sleeved on the periphery of the cross rod, the head end of the second spring is connected with the sliding block, the tail end of the second spring is connected with the cross rod and is far away from one end of the guide plate, the sliding block is connected with the telescopic plate through a connecting rod, and two ends of the connecting rod are hinged to the sliding block and the telescopic plate respectively.
As still further aspects of the invention: the variable diameter rotating mechanism comprises a rotating plate which is rotatably arranged on one side of the vertical plate facing the extrusion head and a pulley which is movably arranged on one side of the rotating plate facing the guide plate through a triggering structure, a driving motor is further arranged on the other side of the vertical plate, the output end of the driving motor is connected with a rotating shaft of the rotating plate, a reciprocating plate is fixedly arranged on the telescopic plate, and the reciprocating plate is in butt joint with the pulley.
As still further aspects of the invention: the trigger structure is in including rotating the one-way lead screw of installing on the rotor plate, setting up screw thread piece on the one-way lead screw and rotate and install gear on the rotor plate one end, the axis of rotation of gear pass through first bevel gear group with one-way lead screw is connected, just still be fixed with on the riser one with gear complex ring gear, the screw thread piece with one-way lead screw threaded connection, the pulley is installed the screw thread piece is kept away from one side of rotor plate, just the screw thread piece with one side slip laminating of rotor plate orientation pulley.
As still further aspects of the invention: the screw thread driving mechanism comprises a bidirectional screw rod, a guide rod and two screw thread plates, wherein the bidirectional screw rod is rotatably arranged on the straight plate, the guide rod is fixedly arranged on the straight plate, the two screw thread plates are symmetrically arranged on the bidirectional screw rod, the clamping piece is movably arranged on the side parts of the screw thread plates through a plurality of groups of elastic sleeving structures, the guide rod penetrates through the two screw thread plates and is in sliding connection with the two screw thread plates, the two screw thread plates are in threaded connection with the bidirectional screw rod, and the bidirectional screw rod is connected with the unidirectional transmission mechanism.
As still further aspects of the invention: the elastic sleeving structure comprises a guide tube and a telescopic column which are respectively fixedly installed on the threaded plate and the clamping piece, and a first spring which is connected with the threaded plate and the clamping piece, wherein the guide tube and the telescopic column are sleeved in a sliding manner, and the first spring is sleeved on the periphery of the guide tube and the telescopic column.
As still further aspects of the invention: the unidirectional transmission mechanism comprises a ratchet wheel which is rotatably arranged on the transverse plate and a long strip plate which is fixed on the sliding block through a connecting frame and is positioned above the transverse plate, the rotating shaft of the ratchet wheel is connected with the bidirectional screw rod through a transmission belt and a second bevel gear group, a plurality of inclined grooves are formed in the long strip plate at equal intervals along the length direction of the long strip plate, and a pawl is rotatably arranged in each inclined groove.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, when in use, the workpiece can be effectively limited by the screw drive mechanism, the diameter-variable rotating mechanism and the elastic push-pull mechanism can drive the extrusion head to do reciprocating linear motion in the vertical direction, the extrusion action is carried out on the workpiece, the shape of the workpiece is changed along with the extrusion, the height of the workpiece is gradually reduced, the diameter is gradually increased, the extrusion action amplitude of the extrusion head is gradually increased, and the elastic push-pull mechanism drives the screw drive mechanism to move by the unidirectional transmission mechanism, so that the limiting state of the clamping piece on the workpiece is still maintained, thereby greatly improving the machining automaticity of the device, needing no manual intervention operation, ensuring the machining efficiency, and being suitable for popularization and use.
Drawings
FIG. 1 is an isometric view of one embodiment of a high precision fool-proof cold forging apparatus for producing multiple series trip shafts.
FIG. 2 is a schematic diagram of an embodiment of a high precision fool-proof cold forging apparatus for producing multiple series trip shafts.
FIG. 3 is a schematic view of another angle of an embodiment of a high-precision fool-proof cold forging forming apparatus for producing multiple series trip shafts.
FIG. 4 is a schematic view of a high-precision fool-proof cold forging forming apparatus for producing multiple series trip shafts, illustrating an alternative embodiment of the apparatus.
Fig. 5 is an enlarged view of the structure at a in fig. 2.
Fig. 6 is an enlarged view of the structure at B in fig. 3.
FIG. 7 is a schematic diagram of a screw drive mechanism in one embodiment of a high precision fool-proof cold forging apparatus for producing multiple series trip shafts.
In the figure: 1. a base; 2. a riser; 3. a cross plate; 4. an extrusion head; 5. a clamping member; 6. a straight plate; 7. a two-way screw rod; 8. a guide rod; 9. a thread plate; 10. a first spring; 11. a guide tube; 12. a telescopic column; 13. a through port; 14. a driving motor; 15. a rotating plate; 16. a pulley; 17. a unidirectional screw rod; 18. a screw block; 19. a first bevel gear set; 20. a gear; 21. a toothed ring; 22. a guide plate; 23. a telescoping plate; 24. a shuttle plate; 25. a cross bar; 26. a slide block; 27. a second spring; 28. a connecting rod; 29. a connecting frame; 30. a long slat; 31. a ratchet wheel; 32. a transmission belt; 33. a second bevel gear set.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Referring to fig. 1-7, in an embodiment of the present invention, a high-precision fool-proof cold forging forming device for producing a multi-series trip shaft includes a base 1, a riser 2 fixedly installed on the base 1, and a cross plate 3 fixedly installed on the riser 2, wherein the riser 2 is fixed on one side of the base 1 and is perpendicular to the base 1, and the cross plate 3 is fixed on the top end of the riser 2 and is parallel to the base 1.
It should be noted that, the base 1 is disposed on a workbench for producing and processing the trip shaft, and the device is used for automatically forging and forming a workpiece for manufacturing the trip shaft, so as to improve the production efficiency of the trip shaft.
The transverse plate 3 is movably provided with an extrusion head 4 for extrusion processing of a workpiece through an elastic push-pull mechanism, and the elastic push-pull mechanism is matched with a variable-diameter rotating mechanism arranged on the side part of the vertical plate 2 and used for driving the extrusion head 4 to execute a pressing action.
Referring to fig. 3 and 6 again, the elastic push-pull mechanism includes a telescopic assembly installed on the transverse plate 3 and connected to the extrusion head 4, and two groups of elastic sliding assemblies symmetrically disposed on the transverse plate 3, wherein the two groups of elastic sliding assemblies are connected to the telescopic assembly, and one group of elastic sliding assemblies is connected to the unidirectional transmission mechanism.
The telescopic assembly comprises a guide plate 22 fixedly mounted on the transverse plate 3 and perpendicular to the transverse plate, and a telescopic plate 23 which is arranged in a hollow structure and is in sliding fit with the guide plate 22, and the extrusion head 4 is detachably arranged at one end of the telescopic plate 23 far away from the transverse plate 3.
Specifically, the extrusion head 4 may be in threaded connection with one end of the expansion plate 23 away from the transverse plate 3, so that in actual processing, the extrusion head 4 is convenient to replace according to the processing requirement, and after the processing is finished, the extrusion head 4 is also convenient to be removed from the expansion plate 23 for maintenance, thereby greatly improving the practicability of the device.
Referring to fig. 6 again, the elastic sliding assembly includes a cross bar 25 fixedly mounted on the cross bar 3, a slider 26 slidably disposed on the cross bar 25, and a second spring 27 sleeved on the periphery of the cross bar 25, where the head end of the second spring 27 is connected to the slider 26, and the tail end of the second spring is connected to the end of the cross bar 25 away from the guide plate 22. The sliding block 26 is connected with the expansion plate 23 through a connecting rod 28, and two ends of the connecting rod 28 are respectively hinged with the sliding block 26 and the expansion plate 23.
Referring to fig. 5 again, the reducing rotation mechanism includes a rotation plate 15 rotatably mounted on one side of the riser 2 facing the extrusion head 4, and a pulley 16 movably disposed on one side of the rotation plate 15 facing the guide plate 22 through a triggering structure, and a driving motor 14 is further mounted on the other side of the riser 2, and an output end of the driving motor 14 is connected with a rotation shaft of the rotation plate 15. A reciprocating plate 24 is fixedly mounted on the expansion plate 23, and the reciprocating plate 24 abuts against the pulley 16.
In the processing process, the driving motor 14 works, the rotating plate 15 is driven to rotate, the rotating plate 15 drives the pulley 16 to do circular motion, the pulley 16 pushes the reciprocating plate 24 to move downwards in the circular motion of the front 90 degrees, correspondingly, the telescopic plate 23 drives the extrusion head 4 on the guide plate 22 to execute the pressing action on a workpiece, in the process, the reciprocating plate 23 pulls the sliding block 26 on the cross rod 25 to slide towards the guide plate 22 through the connecting rod 28, the second spring 27 is stretched, the pulley 16 in the subsequent 90 degrees moves, the second spring 27 rebounds, the sliding block 26 is pulled to reset on the cross rod 25, and meanwhile, the sliding block 26 pulls the telescopic plate 23 to slide upwards on the guide plate 22 through the connecting rod 28, so that the extrusion head 4 lifts and resets, and the extrusion action of the extrusion head 4 on the workpiece is realized;
after the extrusion head 4 extrudes the workpiece each time, the workpiece will deform, the height of the workpiece is reduced, and then the trigger structure triggers the motion in the circular motion of the second half cycle, and drives the pulley 16 to do linear motion along the length direction of the rotating plate 15, so that the radius of the next circular motion track is increased, and the pressing amplitude of the pressing head 4 is increased.
The triggering structure comprises a unidirectional screw rod 17 rotatably mounted on the rotating plate 15, a threaded block 18 arranged on the unidirectional screw rod 17 and a gear 20 rotatably mounted on one end of the rotating plate 15, wherein the rotating shaft of the gear 20 is connected with the unidirectional screw rod 17 through a first bevel gear set 19, and a toothed ring 21 matched with the gear 20 is also fixed on the vertical plate 2.
Further, the first bevel gear set 19 includes a first bevel gear fixedly installed coaxially with the gear 20 and a second bevel gear fixedly installed on the unidirectional screw 17, and the second bevel gear is engaged with the first bevel gear.
The pulley 16 is mounted on one side of the threaded block 18 away from the rotating plate 15, and the threaded block 18 is in sliding fit with one side of the rotating plate 15 facing the pulley 16.
It should be emphasized that the purpose of the sliding fit between the threaded block 18 and the rotating plate 15 towards the pulley 16 is to ensure that the rotating plate 15 plays a guiding role on the threaded block 18 during the rotation of the unidirectional screw 17, so as to ensure that the threaded block 18 and the unidirectional screw 17 are smoothly screwed together.
In the circular motion process of the second half cycle of the pulley 16, the gear 20 is matched with teeth on the toothed ring 21, the gear 20 rotates, the rotating shaft of the gear 20 drives the unidirectional screw rod 17 to rotate through the first bevel gear group 19, the threaded block 18 is in threaded fit with the unidirectional screw rod 17 to move a distance on the rotating plate 15, the radius of the track of the next circular motion is increased, and the pressing amplitude of the pressing head 4 is increased.
The base 1 is fixedly provided with a straight plate 6 parallel to the base, two clamping pieces 5 are movably arranged on the straight plate 6 through a thread driving mechanism, and the two clamping pieces 5 are arranged in an arc shape and symmetrically distributed on the straight plate 6 and used for fixing and limiting a workpiece to be processed. The transverse plate 3 is also provided with a one-way transmission mechanism which is connected with the thread driving mechanism and the elastic push-pull mechanism and is triggered in the process of pressing down the extrusion head 4.
Referring to fig. 7 again, the screw driving mechanism includes a bidirectional screw rod 7 rotatably mounted on the straight plate 6, a guide rod 8 fixedly mounted on the straight plate 6, and two screw plates 9 symmetrically disposed on the bidirectional screw rod 7, and the clamping member 5 is movably disposed on a side portion of the screw plates 9 through a plurality of groups of elastic sleeve structures. The guide rod 8 penetrates through the two threaded plates 9 and is in sliding connection with the two threaded plates, the two threaded plates 9 are in threaded connection with the two-way screw rod 7, and the two-way screw rod 7 is connected with the one-way transmission mechanism.
In detail, two sections of threads are symmetrically arranged on the bidirectional screw rod 7, the rotation directions of the two sections of threads are opposite, two through holes for the bidirectional screw rod 7 and the guide rod 8 to penetrate through are formed in the threaded plate 9, threads engaged with the bidirectional screw rod 7 are formed in the inner wall of the through hole for the bidirectional screw rod 7 to penetrate through, and a through hole 13 for the threaded plate 9 to move is further formed in the straight plate 6.
Referring to fig. 7 again, the elastic sleeving structure includes a guiding tube 11 and a telescopic column 12 respectively fixedly installed on the threaded plate 9 and the clamping member 5, and a first spring 10 connecting the threaded plate 9 and the clamping member 5, wherein the guiding tube 11 and the telescopic column 12 are slidably sleeved, and the first spring 10 is sleeved on the peripheries of the two.
When the workpiece to be processed is placed on the straight plate 6 in use, then, the bidirectional screw rod 7 is manually rotated, the guide rod 8 guides the two threaded plates 9, the two threaded plates 9 are in threaded fit with the bidirectional screw rod 7 at the same time to move close to each other, after the clamping piece 5 contacts with the workpiece, the telescopic column 12 gradually slides towards the guide tube 11, and the first spring 10 is compressed, so that the effective limiting function of the workpiece is realized on one hand, and on the other hand, the diameter of the workpiece is enlarged after the workpiece is extruded and deformed by the extrusion head 4, the first spring 10 is further compressed, and the normal shaping of the workpiece is ensured.
Referring again to fig. 6, the unidirectional transmission mechanism includes a ratchet wheel 31 rotatably mounted on the transverse plate 3 and a long slat 30 fixed on the sliding block 26 through a connecting frame 29 and located above the transverse plate 3, and the rotation shaft of the ratchet wheel 31 is connected with the bidirectional screw rod 7 through a transmission belt 32 and a second bevel gear set 33. The long strip plate 30 is provided with a plurality of inclined grooves at equal intervals along the length direction, and each inclined groove is rotatably provided with a pawl.
Specifically, a transmission shaft is rotatably installed on the riser 2, the head end of the transmission shaft is connected with the rotation shaft of the ratchet wheel 31 through the transmission belt 32, and the second bevel gear set 33 comprises a third bevel gear fixedly installed on the tail end of the transmission shaft and a fourth bevel gear fixedly installed on the bidirectional screw rod 7, and the fourth bevel gear is meshed with the third bevel gear.
In the pressing process of the extrusion head 4, the sliding block 26 slides towards the guide plate 22 on the cross rod 25, correspondingly, the sliding block 26 drives the long strip plate 30 to move along with the long strip plate 30 through the connecting frame 29, the inclined groove on the long strip plate 30 limits the pawl on the long strip plate 30, so that the pawl does not turn over in the process of contacting with the ratchet wheel 31, the ratchet wheel 31 rotates, the rotating shaft of the ratchet wheel 31 drives the bidirectional screw rod 7 to rotate through the driving belt 32 and the second bevel gear group 33, the two threaded plates 9 are mutually far away from one end, the compression degree of the first spring 10 is reduced, so that the workpiece is deformed normally in the next pressing process, meanwhile, the limiting state of the clamping piece 5 on the workpiece is still kept, in the opposite direction, in the lifting process of the extrusion head 4, the sliding block 26 slides towards the direction far away from the guide plate 22 on the cross rod 25, the pawl does not turn over in the process of contacting with the ratchet wheel 31, and the unidirectional transmission effect is realized.
It should be noted that, the long strip plate 30 is fixed on the connecting frame 29 by bolts, when the workpiece is limited before the processing is started, the long strip plate 30 needs to be detached from the connecting frame 29, and after the limiting of the workpiece is completed, the long strip plate 30 is mounted. After the machining is finished, in order to facilitate normal use of the next machining, all parts in the device need to be reset, at this time, the long strip plate 30 is detached, and the unidirectional screw 17 is manually rotated to reset the pulley 16.
The working principle of the invention is as follows: when the workpiece to be processed is placed on the straight plate 6 in use, then the bidirectional screw rod 7 is manually rotated, the guide rod 8 guides the two threaded plates 9, the two threaded plates 9 are in threaded fit with the bidirectional screw rod 7 at the same time to move close to each other, after the clamping piece 5 is contacted with the workpiece, the telescopic column 12 gradually slides towards the guide tube 11, and the first spring 10 is compressed, so that the effective limiting function of the workpiece is realized, and on the other hand, the diameter of the workpiece is enlarged after the workpiece is extruded and deformed by the extrusion head 4, the first spring 10 is further compressed, and the normal shaping of the workpiece is ensured;
the driving motor 14 works, the rotating plate 15 is driven to rotate, the rotating plate 15 drives the pulley 16 to do circular motion, the pulley 16 drives the reciprocating plate 24 to move downwards in the circular motion of the front 90 degrees, correspondingly, the telescopic plate 23 drives the extrusion head 4 to execute the pressing action on a workpiece on the guide plate 22, in the process, the reciprocating plate 23 pulls the sliding block 26 to slide on the cross rod 25 towards the guide plate 22 through the connecting rod 28, the second spring 27 is stretched, the pulley 16 in the subsequent 90 degrees of motion, the second spring 27 rebounds, the sliding block 26 is pulled to reset on the cross rod 25, and meanwhile, the sliding block 26 pulls the telescopic plate 23 to slide upwards on the guide plate 22 through the connecting rod 28, so that the extrusion head 4 lifts and resets, and the extrusion action of the extrusion head 4 on the workpiece is realized;
after the extrusion head 4 extrudes the workpiece each time, the workpiece is deformed, the height of the workpiece is reduced, so that in the circular motion of the pulley 16 in the second half cycle, the gear 20 is matched with teeth on the toothed ring 21, the gear 20 rotates, the rotation shaft of the gear 20 drives the unidirectional screw rod 17 to rotate through the first bevel gear group 19, the thread block 18 is in threaded fit with the unidirectional screw rod 17 to move on the rotation plate 15 for a certain distance, the radius of the track of the next circular motion is increased, and the pressing amplitude of the lower pressure head 4 is increased;
in the pressing process of the extrusion head 4, the sliding block 26 slides towards the guide plate 22 on the cross rod 25, correspondingly, the sliding block 26 drives the long strip plate 30 to move along with the long strip plate 30 through the connecting frame 29, the inclined groove on the long strip plate 30 limits the pawl on the long strip plate 30, so that the pawl does not turn over in the process of contacting with the ratchet wheel 31, the ratchet wheel 31 rotates, the rotating shaft of the ratchet wheel 31 drives the bidirectional screw rod 7 to rotate through the driving belt 32 and the second bevel gear group 33, the two threaded plates 9 are mutually far away from one end, the compression degree of the first spring 10 is reduced, so that the workpiece is deformed normally in the next pressing process, meanwhile, the limiting state of the clamping piece 5 on the workpiece is still kept, in the opposite direction, in the lifting process of the extrusion head 4, the sliding block 26 slides towards the direction far away from the guide plate 22 on the cross rod 25, the pawl does not turn over in the process of contacting with the ratchet wheel 31, and the unidirectional transmission effect is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The high-precision fool-proof cold forging forming device for producing the multi-series jump buckle shaft is characterized by comprising a base (1), a vertical plate (2) fixedly arranged on the side part of the base (1) and perpendicular to the base, and a transverse plate (3) fixedly arranged on the vertical plate (2) and parallel to the base (1);
an extrusion head (4) for extrusion processing of a workpiece is movably arranged on the transverse plate (3) through an elastic push-pull mechanism, and the elastic push-pull mechanism is matched with a variable-diameter rotating mechanism arranged on the side part of the vertical plate (2) and used for driving the extrusion head (4) to execute a pressing action;
a straight plate (6) parallel to the base (1) is fixedly arranged on the base (1), two clamping pieces (5) are movably arranged on the straight plate (6) through a thread driving mechanism, and the two clamping pieces (5) are arranged in an arc shape and symmetrically distributed on the straight plate (6) and used for fixedly limiting a workpiece to be processed;
the transverse plate (3) is also provided with a unidirectional transmission mechanism which is connected with the thread driving mechanism and the elastic push-pull mechanism and is triggered in the process of pressing down the extrusion head (4);
the elastic push-pull mechanism comprises a telescopic component which is arranged on the transverse plate (3) and is connected with the extrusion head (4) and two groups of elastic sliding components which are symmetrically arranged on the transverse plate (3), wherein the two groups of elastic sliding components are connected with the telescopic component, and one group of elastic sliding components is connected with the unidirectional transmission mechanism;
the telescopic assembly comprises a guide plate (22) fixedly arranged on the transverse plate (3) and perpendicular to the transverse plate and a telescopic plate (23) arranged in a hollow structure and slidably sleeved with the guide plate (22), and the extrusion head (4) is detachably arranged at one end, far away from the transverse plate (3), of the telescopic plate (23);
the elastic sliding assembly comprises a cross rod (25) fixedly arranged on the cross plate (3), a sliding block (26) arranged on the cross rod (25) in a sliding manner and a second spring (27) sleeved on the periphery of the cross rod (25), the head end of the second spring (27) is connected with the sliding block (26), and the tail end of the second spring is connected with one end, far away from the guide plate (22), of the cross rod (25);
the sliding block (26) is connected with the expansion plate (23) through a connecting rod (28), two ends of the connecting rod (28) are respectively hinged with the sliding block (26) and the expansion plate (23), the thread driving mechanism comprises a bidirectional screw rod (7) rotatably installed on the straight plate (6), a guide rod (8) fixedly installed on the straight plate (6) and two thread plates (9) symmetrically arranged on the bidirectional screw rod (7), and the clamping piece (5) is movably arranged on the side parts of the thread plates (9) through a plurality of groups of elastic sleeving structures;
the guide rod (8) penetrates through the two threaded plates (9) and is connected with the threaded plates in a sliding mode, the two threaded plates (9) are connected with the bidirectional screw rod (7) in a threaded mode, and the bidirectional screw rod (7) is connected with the unidirectional transmission mechanism;
the unidirectional transmission mechanism comprises a ratchet wheel (31) rotatably arranged on the transverse plate (3) and a long slat (30) which is fixed on the sliding block (26) through a connecting frame (29) and is positioned above the transverse plate (3), and a rotating shaft of the ratchet wheel (31) is connected with the bidirectional screw rod (7) through a transmission belt (32) and a second bevel gear set (33);
a plurality of inclined grooves are formed in the long strip plate (30) at equal intervals along the length direction of the long strip plate, and a pawl is rotatably arranged in each inclined groove.
2. The high-precision fool-proof cold forging forming device for producing a multi-series trip shaft according to claim 1, wherein the reducing rotating mechanism comprises a rotating plate (15) rotatably installed on one side of the vertical plate (2) facing the extrusion head (4) and a pulley (16) movably arranged on one side of the rotating plate (15) facing the guide plate (22) through a triggering structure, a driving motor (14) is also installed on the other side of the vertical plate (2), and the output end of the driving motor (14) is connected with a rotating shaft of the rotating plate (15);
a reciprocating plate (24) is fixedly arranged on the telescopic plate (23), and the reciprocating plate (24) is abutted with the pulley (16).
3. The high-precision fool-proof cold forging forming device for producing a multi-series trip shaft according to claim 2, wherein the triggering structure comprises a unidirectional screw rod (17) rotatably mounted on the rotating plate (15), a threaded block (18) arranged on the unidirectional screw rod (17) and a gear (20) rotatably mounted on one end of the rotating plate (15), a rotating shaft of the gear (20) is connected with the unidirectional screw rod (17) through a first bevel gear set (19), and a toothed ring (21) matched with the gear (20) is also fixed on the vertical plate (2);
the pulley (16) is mounted on one side, far away from the rotating plate (15), of the threaded block (18) and is in threaded connection with the unidirectional screw rod (17), and the threaded block (18) and one side, facing the pulley (16), of the rotating plate (15) are in sliding fit.
4. The high-precision foolproof cold forging forming device for producing a multi-series trip shaft according to claim 1, wherein the elastic sleeving structure comprises a guide tube (11) and a telescopic column (12) which are respectively fixedly installed on the thread plate (9) and the clamping piece (5), and a first spring (10) which is used for connecting the thread plate (9) and the clamping piece (5), the guide tube (11) and the telescopic column (12) are sleeved in a sliding manner, and the first spring (10) is sleeved on the peripheries of the guide tube and the telescopic column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310724631.7A CN116550922B (en) | 2023-06-19 | 2023-06-19 | High-precision fool-proof cold forging forming device for production of multi-series jump buckle shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310724631.7A CN116550922B (en) | 2023-06-19 | 2023-06-19 | High-precision fool-proof cold forging forming device for production of multi-series jump buckle shaft |
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| Publication Number | Publication Date |
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| CN116550922A CN116550922A (en) | 2023-08-08 |
| CN116550922B true CN116550922B (en) | 2024-01-26 |
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|---|---|---|---|
| CN202310724631.7A Active CN116550922B (en) | 2023-06-19 | 2023-06-19 | High-precision fool-proof cold forging forming device for production of multi-series jump buckle shaft |
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| CN (1) | CN116550922B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116550922A (en) | 2023-08-08 |
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