CN111531099A - Composite sheet cold heading equipment - Google Patents
Composite sheet cold heading equipment Download PDFInfo
- Publication number
- CN111531099A CN111531099A CN202010372871.1A CN202010372871A CN111531099A CN 111531099 A CN111531099 A CN 111531099A CN 202010372871 A CN202010372871 A CN 202010372871A CN 111531099 A CN111531099 A CN 111531099A
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- China
- Prior art keywords
- swinging piece
- composite sheet
- movable
- mould
- upsetting
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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
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
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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
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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
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
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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
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
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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
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
- B21K27/02—Feeding devices for rods, wire, or strips
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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
- B21K27/00—Handling devices, e.g. for feeding, aligning, discharging, Cutting-off means; Arrangement thereof
- B21K27/06—Cutting-off means; Arrangements thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention provides composite sheet cold-heading equipment which comprises a machine shell, a driving mechanism, a rack, a double-wire feeding device, a double-wire cutting device and an upsetting device, wherein the double-wire feeding device, the double-wire cutting device and the upsetting device are arranged on the rack and are driven by the driving mechanism through the driving mechanism; the mould fixing device comprises an ejection device and a mould fixing device used for fixing the mould. The invention has high working efficiency and wide application range and can install two different dies.
Description
Technical Field
The invention relates to the technical field of electric contact production equipment, in particular to composite sheet cold heading equipment.
Background
In the electrical equipment manufacturing industry, accessories called "contacts" are widely used for various switches, contactors, relays, and multiplying devices. The contacts are in a rivet shape and are used in pairs in the electric appliance, and when the contacts are contacted, the contacts become a conductive path; when the pair of contacts are separated, the pair of contacts become a conductive break. Historically, contacts have been made using pure silver for a longer period of time. With the advent of bimetal composite technology, copper and silver (including alloy) composite contacts become mainstream accessories in the electrical appliance manufacturing industry. The composite contact is a contact taking copper as a main material, although the proportion of the silver material is extremely low, the performance of the composite contact is the same as that of the whole pure silver contact, and the cost of the composite contact is only a fraction of that of the whole pure silver contact. The existing bimetal composite cold header consists of a motor, a frame, a double-line feeding device, a double-line cutting device, a die moving device, an upsetting device, an ejection device and a die fixing device for fixing dies, wherein the double-line feeding device, the double-line cutting device, the die moving device, the upsetting device, the ejection device and the die fixing device are arranged on the frame and are driven by the motor through a transmission mechanism, the upsetting device comprises a primary upsetting device and a secondary upsetting device, the working efficiency is low, the upsetting device cannot be matched with two different dies, the formed composite sheet is single in shape, and therefore the existing cold header is small in application range.
Disclosure of Invention
Based on the problems, the invention aims to provide cold heading equipment which is high in working efficiency, wide in application range and capable of mounting two different dies.
Aiming at the problems, the following technical scheme is provided: a composite sheet cold heading device comprises a shell, a driving mechanism, a rack, a double-line feeding device, a double-line cutting device and an upsetting device, wherein the double-line feeding device, the double-line cutting device and the upsetting device are arranged on the rack and driven by the driving mechanism through a transmission mechanism; the mould fixing device comprises a first mould, a second mould, a fixed block for fixing the first mould and the second mould, and a pushing assembly for pushing the first mould and the second mould to axially displace, wherein the first mould and the second mould are arranged up and down and correspond to the upsetting device, the ejection device comprises an ejector pin arranged in a movable block and corresponding to an inner cavity of the second upsetting, a first swinging piece for driving the ejector pin to reciprocate towards the second upsetting and a pressing assembly for driving the first swinging piece to swing, the first swinging piece comprises a connecting part connected with the ejector pin and a pressing part connected with the connecting part and positioned at the top of the movable block, a first base hinged with the connecting part and fixed on the movable block is arranged at the joint of the connecting part and the pressing part, and a pressing part fixing base is arranged below the movable block, the fixing seat is provided with a first spring which is abutted against the pressing part.
In the structure, the wire rod is fed into the double-wire cutting device through the double-wire feeding device, the wire rod is cut in front of the first die through the double-wire cutting device, the first upsetting head is used for performing primary forging to enable two metal wire rods to be attached to form a stamping part, the stamping part is fixed at the front end of the first die, and meanwhile, the second upsetting head corresponds to the second die; the sliding seat moves upwards through the transmission arm, so that the second upset head corresponds to the first die, the stamping piece is stamped, and meanwhile, the third upset head corresponds to the second die; the stamping part expands and is fixed in an inner hole of the second upset head, the sliding seat moves downwards, the first upset head corresponds to the first die to stamp again to form a new stamping part, the second upset head corresponds to the second die, the previous stamping part is ejected out through the ejection device, and the second die is fixed on the second die; the sliding seat moves upwards, the second upsetting head punches a new stamping part, the third upsetting head punches the previous stamping part to form a finished product, the finished product is unloaded through the unloading device, and the finished product falls into a finished product box; the steps are circulated for production, so that the invention can rapidly punch two metal wires into the composite sheet. The wire can be displaced to the second die while being stamped for the second time through the matching of the second heading head and the ejection device, so that the composite sheet material with different specifications and shapes can be produced, the application range of the invention is expanded, and the working efficiency of the invention is improved. The second heading and the discharging device can take down the stamping part conveniently by arranging the pushing assembly, so that the production efficiency of the invention is improved. When the second heading head moves to correspond to the second die, the pressing component controls the pressing part to press the first spring, and the first swinging part swings relative to the hinge joint of the first hinge seat, so that the connecting part drives the ejector pin to horizontally move towards the second die, and ejection of the stamping part is realized; after the stamping part is ejected, the pressing component is separated from the pressing part, and the pressing part moves upwards through the elastic force of the first spring, so that the first swinging part of the first swinging part swings relative to the hinged part of the first hinge seat, and the control connecting part drives the ejector pin to reset. The ejection device can eject the stamping part in the front end of the second upset head, and the stamping part cannot be ejected and clamped on the second die after expanding in the second upset head, so that the reliability of the invention is improved, and the production efficiency of the invention is improved. Can fix first spring through setting up the positioning seat to the stability of first spring has been improved. The movable block is in transmission connection with the driving mechanism through a crankshaft, so that the horizontal displacement of the movable block is realized, and each forging head can stamp and separate wires; the sliding seat is in transmission connection with the driving mechanism through the transmission arm, so that the sliding seat can move in the vertical direction relative to the movable block, each forging head corresponds to the first die and the second die, and all devices can be connected more tightly through transmission matching of the crankshaft, the transmission arm and the driving mechanism, so that the production efficiency of the invention is improved, and the reliability of the invention is improved.
The invention is further arranged in that the pushing assembly comprises a fixed shaft fixed on the rack, a second swinging member sleeved on the fixed shaft, a driving plate connected with the second swinging member and push rods inserted at the top end of the driving plate, the pushing assembly is provided with two groups, the two groups of push rods are respectively connected with the first die and the second die, a driving assembly used for driving the second swinging member to swing is arranged below the pushing assembly, and the driving assembly comprises a transmission shaft in transmission connection with a driving mechanism and a first cam sleeved on the transmission shaft and abutted against the bottom end of the second swinging member.
In the structure, the first cam rotates through the transmission shaft in transmission connection with the driving mechanism, so that the second swinging piece swings in a reciprocating mode relative to the fixed shaft, the driving plate at the top end of the second swinging piece drives the push rod to perform axial reciprocating displacement, and the push rod drives the first die and the second die to perform displacement, so that the first die and the second die are matched with the second heading and the discharging device, a stamping part can be conveniently taken down from the first die and the second die, and the production efficiency of the invention is improved. The pushing assembly is arranged, so that reverse tension can be generated when the second heading is taken down from the first die and the discharging device is used for discharging the stamped part on the second die, the stamped part can be conveniently taken down from the first die and the second die, and the production efficiency of the invention is improved.
The push rod is further provided with a limiting plate for limiting the push rod on one side, the push rod is provided with a limiting ring opposite to the limiting plate, and a second spring is sleeved on the push rod and positioned between the limiting plate and the limiting ring.
In the structure, the stability of the push rod can be improved by arranging the limit plate, so that the reliability of the push rod is improved. The second spring can accelerate the reset speed of the push rod, so that the production efficiency of the push rod reset device is improved.
The invention is further provided that the bottom end of the second swinging piece is clamped with a roller matched with the first cam.
By adopting the structure, the resistance between the second swinging piece and the first cam can be reduced, so that the service lives of the second swinging piece and the first cam can be prolonged, and the production efficiency and the reliability of the invention are improved.
The pressing assembly comprises a second hinge seat arranged on one side of the movable block on the rack, a third swinging piece in hinge fit with the second hinge seat and a movable rod in fit with the third swinging piece, one end of the third swinging piece is positioned above the pressing part, the other end of the third swinging piece is positioned at the top end of the movable rod, and the movable rod is matched with a second cam in transmission connection with the driving mechanism to realize up-and-down displacement.
In the structure, the second cam rotates to drive the movable rod to reciprocate up and down, the third swinging piece is driven to swing at the hinged position of the second hinged seat, and pressing or releasing of the pressing part is achieved. The reliability of the invention is improved by the fact that the second cam drive can be better engaged with other devices.
The invention is further provided that one end of the third swinging piece, which is matched with the movable rod, is in threaded connection with an adjusting bolt, and the top end of the movable rod is abutted against the bottom of the adjusting bolt.
By adopting the structure, the swing stroke of the third swing piece can be adjusted according to the requirement of the working condition, so that the application range of the invention can be enlarged.
The invention is further provided that the rack is provided with a fixed groove, the movable rod is positioned in the fixed groove, and the movable rod is sleeved with a limit block fixed in the fixed groove.
By adopting the structure, the stability of the movable rod during displacement can be improved, and the reliability of the invention is improved.
The invention is further arranged in that the bottom end of the movable rod is connected with a fourth swinging piece, and the other end of the fourth swinging piece is movably hinged with the frame.
By adopting the structure, the movable rod can be supported, so that the stability of the movable rod during displacement is improved, and the reliability of the invention is improved.
The invention is further provided that a movable wheel is inserted into one side of the pressing part, and a cover plate matched with the movable wheel is arranged at the end part of the third swinging part.
Adopt above-mentioned structure, resistance between activity wheel and the apron when can reducing the movable block displacement has improved the stability when the movable block displacement. The contact area of the third swinging piece which can be contacted with the movable wheel can be increased by arranging the cover plate, so that the stability of the invention is improved.
The invention is further provided that the bottom of the cover plate is provided with a wear-resistant roller arranged in the radial direction relative to the movable wheel.
By adopting the structure, the service life of the movable wheel can be prolonged, and the reliability of the invention is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a first view angle inside the enclosure according to the present invention.
Fig. 3 is a schematic structural diagram of a second view angle inside the casing according to the present invention.
Fig. 4 is a schematic top view of the interior of the housing of the present invention.
Fig. 5 is a schematic cross-sectional view of the inside of the housing according to the present invention.
FIG. 6 is a schematic view showing the configuration of the first swinging member engaged with the upsetting apparatus in the present invention.
Fig. 7 is a schematic structural view of the ejection device of the present invention.
The reference numbers in the figures mean: 1-a machine shell; 2-a drive mechanism; 3-a frame; 4-a two-wire feed device; 5-a double-line cutting device; 6-upsetting device; 61-a movable block; 62-a slide; 63-a first heading; 64-second upset; 65-third heading; 611-a crankshaft; 621-a transmission arm; 7-an ejection device; 8-a die fixing device; 81-a first mold; 82-a second mold; 83-fixed block; 84-a pushing assembly; 71-a thimble; 72-a first oscillating member; 73-a pressing assembly; 721-a connecting part; 722-a pressing part; 612-a first articulated mount; 613-fixed seat; 6131-first spring; 841-fixed axis; 842-a second oscillating piece; 843-drive plate; 844-push rod; 9-a drive assembly; 91-a transmission shaft; 92-a first cam; 845-a limiting plate; 8441-a stop collar; 846-second spring; 847-a roller; 731-a second articulated mount; 732-a third oscillating member; 733-a movable bar; 734-a second cam; 7321-adjusting bolts; 31-a fixation groove; 311-a limiting block; 7331-a fourth oscillating member; 7221-a running wheel; 7322-cover plate; 7323 wear resistant rollers.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
A composite sheet cold heading device as shown in fig. 1 to 7, which comprises a machine shell 1, a driving mechanism 2, a machine frame 3, a double-line feeding device 4 arranged on the machine frame 3 and driven by the driving mechanism 2 through the driving mechanism, a double-line cutting device 5 and an upsetting device 6, wherein the upsetting device 6 comprises a movable block 61, a slide carriage 62 arranged on one side of the movable block 61, a first upsetting head 63, a second upsetting head 64 and a third upsetting head 65 which are arranged on the slide carriage 62, the movable block 61 is in transmission connection with the driving mechanism 2 through a crankshaft 611 to realize the horizontal displacement of the movable block 61, and the slide carriage 62 is in transmission connection with the driving mechanism 2 through a transmission arm 621 to realize the vertical displacement of the slide carriage 62 relative to the movable block 61; the die fixing device 8 comprises a first die 81, a second die 82, a fixed block 83 for fixing the first die 81 and the second die 82, and a pushing assembly 84 for pushing the first die 81 and the second die 82 to axially displace, wherein the first die 81 and the second die 82 are arranged up and down and correspond to the upsetting device, the ejection device 7 comprises an ejector pin 71 arranged in the movable block 61 and corresponding to the inner cavity of the second upset 64, a first swinging member 72 for driving the ejector pin 71 to reciprocally displace towards the second upset 64, and a pressing assembly 73 for driving the first swinging member 72 to swing, the first swinging member 72 comprises a connecting part 721 connected with the ejector pin 71 and a pressing part 722 connected with the connecting part 721 and positioned at the top of the movable block 61, a first hinge seat 612 hinged with the connecting part 721 and fixed on the movable block 61 is arranged at the connecting part 721 and the pressing part 722, a fixed seat 613 is arranged below the pressing part 722 on the movable block 61, and a first spring 6131 abutting against the pressing part 722 is arranged on the fixed seat 613.
In the structure, the wire is fed into the double-wire cutting device 5 through the double-wire feeding device 4, the wire is cut in front of the first die 81 through the double-wire cutting device 5, the two metal wires are attached to each other through the first upset head 63 to form a stamping part, the stamping part is fixed at the front end of the first die 81, and meanwhile, the second upset head 64 corresponds to the second die 82; the slide carriage 62 is displaced upwards by the transmission arm 621, so that the second upset head 64 corresponds to the first die 81 and punches the punch, while the third upset head 65 corresponds to the second die 82; the stamping part expands and is fixed in the inner hole of the second upset head 64, the sliding seat 62 moves downwards, the first upset head 63 punches again corresponding to the first die 81 to form a new stamping part, the second upset head 64 corresponds to the second die 82, and the previous stamping part is ejected out through the ejection device 7 and is fixed on the second die 82; the slide carriage 62 moves upwards, the second heading 64 punches a new stamping part, the third heading 65 punches the previous stamping part to form a finished product, the finished product is discharged through the discharging device, and the finished product falls into a finished product box; the steps are circulated for production, so that the invention can rapidly punch two metal wires into the composite sheet. The wire rod can be displaced to the second die 82 while being stamped for the second time through the matching of the second heading head 64 and the ejection device 7, so that composite sheets with different specifications and shapes can be produced, the application range of the invention is expanded, and the working efficiency of the invention is improved. The second heading 64 and the discharging device can be conveniently taken down by arranging the pushing assembly 84, so that the production efficiency of the invention is improved. When the second heading 64 is displaced to correspond to the second die 82, the pressing component 73 controls the pressing part 722 to press the first spring 6131, and the first swinging component 72 swings relative to the hinge joint of the first hinge base 612, so that the connecting part 721 drives the thimble 71 to horizontally displace towards the second die 82, thereby realizing ejection of the stamping part; after the stamping part is ejected, the pressing assembly 73 is separated from the pressing portion 722, and the pressing portion 722 is displaced upward by the elastic force of the first spring 6131, so that the first swinging member 72 of the first swinging member 72 swings relative to the hinge joint of the first hinge base 612, and the control connection portion 721 drives the thimble 71 to reset. The ejection device 7 can eject the stamping part in the front end of the second upset head 64, and the stamping part cannot be ejected and clamped on the second die 82 after expanding in the second upset head 64, so that the reliability of the invention is improved, and the production efficiency of the invention is improved. First spring 6131 can be fixed through setting up the positioning seat to first spring 6131's stability has been improved. The movable block 61 is in transmission connection with the driving mechanism 2 through a crankshaft 611, so that the horizontal displacement of the movable block 61 is realized, and the forging heads punch and separate wires; the slide base 62 is connected with the driving mechanism 2 through the transmission arm 621 in a transmission manner, so that the slide base 62 is vertically displaced relative to the movable block 61, each forging head corresponds to the first die 81 and the second die 82, and the connection among the devices can be tighter through the transmission fit of the crankshaft 611 and the transmission arm 621 with the driving mechanism 2, so that the production efficiency of the invention is improved, and the reliability of the invention is improved.
In this embodiment, the pushing assembly 84 includes a fixed shaft 841 fixed on the rack 3, a second swinging member 842 sleeved on the fixed shaft 841, a driving plate 843 connected with the second swinging member 842, and a push rod 844 inserted at the top end of the driving plate 843, the pushing assembly 84 is provided with two sets, the two sets of push rods 844 are respectively connected with the first mold 81 and the second mold 82, a driving assembly 9 for driving the second swinging member 842 to swing is arranged below the pushing assembly 84, and the driving assembly 9 includes a transmission shaft 91 in transmission connection with the driving mechanism 2 and a first cam 92 sleeved on the transmission shaft 91 and abutting against the bottom end of the second swinging member 842.
In the above structure, the first cam 92 rotates through the transmission shaft 91 in transmission connection with the driving mechanism 2, so that the second swinging member 842 swings back and forth relative to the fixed shaft 841, the driving plate 843 at the top end of the second swinging member 842 drives the push rod 844 to move back and forth in the axial direction, the push rod 844 drives the first die 81 and the second die 82 to move back and forth, so that the first die 81 and the second die 82 are matched with the second heading 64 and the discharging device, the stamping part can be conveniently taken down from the first die 81 and the second die 82, and the production efficiency of the invention is improved. By arranging the pushing assembly 84, reverse pulling force can be generated when the second upset head 64 is taken down from the first die 81 and the discharging device is used for discharging the stamped part on the second die 82, so that the stamped part can be conveniently taken down from the first die 81 and the second die 82, and the production efficiency of the invention is improved.
In this embodiment, one side of the fixing block 83 is provided with a limiting plate 845 for limiting the push rod 844, the push rod 844 is provided with a limiting ring 8441 opposite to the limiting plate 845, and the push rod 844 is sleeved with a second spring 846 positioned between the limiting plate 845 and the limiting ring 8441.
In the above structure, the stability of the push rod 844 can be improved by providing the limit plate 845, so that the reliability of the invention is improved. The second spring 846 can accelerate the reset speed of the push rod 844, so that the production efficiency of the invention is improved.
In this embodiment, a roller 847 engaged with the first cam 92 is disposed at the bottom end of the second swinging member 842.
With the above configuration, the resistance between the second swinging member 842 and the first cam 92 can be reduced, so that the service lives of the two can be prolonged, and the production efficiency and reliability of the present invention can be improved.
In this embodiment, the pressing assembly 73 includes a second hinge seat 731 disposed on one side of the movable block 61 on the frame 3, a third swinging member 732 in hinge-joint with the second hinge seat 731, and a movable rod 733 in cooperation with the third swinging member 732, one end of the third swinging member 732 is located above the pressing portion 722, the other end of the third swinging member 732 is located at the top end of the movable rod 733, and the movable rod 733 is in cooperation with a second cam 734 in transmission connection with the driving mechanism 2 to achieve vertical displacement.
In the above structure, the second cam 734 rotates to drive the movable rod 733 to reciprocate up and down, so as to drive the third swinging member 732 to swing relative to the hinge of the second hinge seat 731, thereby pressing or releasing the pressing portion 722. The reliability of the present invention is improved by the use of a second cam 734 to drive the engagement of the device with other devices.
In this embodiment, an adjusting bolt 7321 is screwed to one end of the third swinging member 732, which is engaged with the movable rod 733, and the top end of the movable rod 733 abuts against the bottom of the adjusting bolt 7321.
With the above structure, the swing stroke of the third swinging member 732 can be adjusted according to the requirement of the working condition, so that the application range of the present invention can be expanded.
In this embodiment, a fixing groove 31 is formed in the frame 3, the movable rod 733 is located in the fixing groove 31, and a limiting block 311 fixed in the fixing groove 31 is sleeved on the movable rod 733.
With the above structure, the stability of the movable rod 733 during displacement can be improved, thereby improving the reliability of the present invention.
In this embodiment, a bottom end of the movable rod 733 is connected to a fourth swinging member 7331, and the other end of the fourth swinging member 7331 is movably hinged to the frame 3.
With the above structure, the movable rod 733 can be supported, so that the stability of the movable rod 733 during displacement is improved, and the reliability of the present invention is improved.
In this embodiment, a movable wheel 7221 is inserted into one side of the pressing portion 722, and a cover plate 7322 that engages with the movable wheel 7221 is provided at an end of the third swinging member 732.
With the above configuration, the resistance between the movable wheel 7221 and the cover plate 7322 during displacement of the movable block 61 can be reduced, and the stability during displacement of the movable block 61 is improved. The provision of the cover plate 7322 increases the contact area of the third swinging member 732 with the movable wheel 7221, thereby improving the stability of the present invention.
In this embodiment, the bottom of the cover plate 7322 is provided with a wear-resistant roller 7323 arranged in a radial direction with respect to the movable wheel 7221.
By adopting the structure, the service life of the movable wheel 7221 can be prolonged, and the reliability of the invention is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.
Claims (10)
1. The utility model provides a composite sheet cold-heading equipment, includes casing, actuating mechanism, frame, sets up in the frame and receives driven double-line material feeding unit, double-line blank device and the upsetting device of actuating mechanism through drive mechanism, its characterized in that: the upsetting device comprises a movable block, a sliding seat arranged on one side of the movable block, a first upsetting head, a second upsetting head and a third upsetting head which are arranged on the sliding seat, the movable block is in transmission connection with a driving mechanism through a crankshaft to realize the horizontal displacement of the movable block, the sliding seat is in transmission connection with the driving mechanism through a transmission arm to realize the vertical displacement of the sliding seat relative to the movable block; the mould fixing device comprises a first mould, a second mould, a fixed block for fixing the first mould and the second mould, and a pushing assembly for pushing the first mould and the second mould to axially displace, wherein the first mould and the second mould are arranged up and down and correspond to the upsetting device, the ejection device comprises an ejector pin arranged in a movable block and corresponding to an inner cavity of the second upsetting, a first swinging piece for driving the ejector pin to reciprocate towards the second upsetting and a pressing assembly for driving the first swinging piece to swing, the first swinging piece comprises a connecting part connected with the ejector pin and a pressing part connected with the connecting part and positioned at the top of the movable block, a first base hinged with the connecting part and fixed on the movable block is arranged at the joint of the connecting part and the pressing part, and a pressing part fixing base is arranged below the movable block, the fixing seat is provided with a first spring which is abutted against the pressing part.
2. A composite sheet cold heading apparatus as claimed in claim 1 wherein: the pushing assembly comprises a fixed shaft fixed on the rack, a second swinging piece sleeved on the fixed shaft, a drive plate connected with the second swinging piece and push rods inserted on the top end of the drive plate, the pushing assembly is provided with two groups, the two groups of push rods are respectively connected with a first die and a second die, a driving assembly used for driving the second swinging piece to swing is arranged below the pushing assembly, and the driving assembly comprises a transmission shaft connected with a driving mechanism in a transmission manner and a first cam which is sleeved on the transmission shaft and abuts against the bottom end of the second swinging piece.
3. A composite sheet cold heading apparatus as claimed in claim 2 wherein: one side of the fixing block is provided with a limiting plate used for limiting the push rod, the push rod is provided with a limiting ring opposite to the limiting plate, and a second spring is sleeved between the limiting plate and the limiting ring on the push rod.
4. A composite sheet cold heading apparatus as claimed in claim 2 wherein: and the bottom end of the second swinging piece is clamped with a roller matched with the first cam.
5. A composite sheet cold heading apparatus as claimed in claim 1 wherein: the pressing component comprises a second hinged seat, a third swinging piece and a movable rod, wherein the second hinged seat is arranged on one side of the movable block on the rack, the third swinging piece is hinged and matched with the second hinged seat, the movable rod is matched with the third swinging piece, one end of the third swinging piece is positioned above the pressing part, the other end of the third swinging piece is positioned at the top end of the movable rod, and the movable rod is matched with a second cam which is connected with a driving mechanism in a transmission mode to realize vertical displacement.
6. The composite sheet cold heading apparatus of claim 5, wherein: and one end of the third swinging piece, which is matched with the movable rod, is screwed with an adjusting bolt, and the top end of the movable rod is abutted against the bottom of the adjusting bolt.
7. The composite sheet cold heading apparatus of claim 6, wherein: the frame is provided with a fixed groove, the movable rod is positioned in the fixed groove, and the movable rod is sleeved with a limiting block fixed in the fixed groove.
8. A composite sheet cold heading apparatus as claimed in claim 7 wherein: the bottom end of the movable rod is connected with a fourth swinging piece, and the other end of the fourth swinging piece is movably hinged with the rack.
9. The composite sheet cold heading apparatus of claim 5, wherein: a movable wheel is inserted into one side of the pressing part, and a cover plate matched with the movable wheel is arranged at the end part of the third swinging part.
10. A composite sheet cold heading apparatus as claimed in claim 9 wherein: and the bottom of the cover plate is provided with a wear-resistant roller arranged in the radial direction relative to the movable wheel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010372871.1A CN111531099B (en) | 2020-05-06 | 2020-05-06 | Compound sheet cold heading equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010372871.1A CN111531099B (en) | 2020-05-06 | 2020-05-06 | Compound sheet cold heading equipment |
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| CN111531099A true CN111531099A (en) | 2020-08-14 |
| CN111531099B CN111531099B (en) | 2023-05-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226622A (en) * | 2021-12-20 | 2022-03-25 | 东莞市华诺合金有限公司 | Cold heading processing equipment |
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| CN111531099B (en) | 2023-05-12 |
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Effective date of registration: 20230118 Address after: 325000 room 116, first floor, No. 15, Fanfu Road, Yuanjue street, Dongtou District, Wenzhou City, Zhejiang Province (for office use only) Applicant after: Zhejiang Guoling Alloy Technology Co.,Ltd. Address before: 325000 Liu Shi Zhen Xian Long Cun, Leqing City, Wenzhou City, Zhejiang Province Applicant before: Yueqing Guoling Alloy Technology Co.,Ltd. |
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