CN109865761B - High-speed intermittent blanking mechanism - Google Patents
High-speed intermittent blanking mechanism Download PDFInfo
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- CN109865761B CN109865761B CN201910203985.0A CN201910203985A CN109865761B CN 109865761 B CN109865761 B CN 109865761B CN 201910203985 A CN201910203985 A CN 201910203985A CN 109865761 B CN109865761 B CN 109865761B
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Abstract
The invention discloses a high-speed intermittent blanking mechanism which comprises an upper die holder, a lower die holder and a ratchet wheel, wherein a gear box is arranged on the upper die holder, the outer side of the upper die holder is provided with the lower die holder, a support arm is arranged on the lower die holder, a mounting groove is formed in the support arm, hooking teeth and connecting springs are respectively arranged on the inner side of the mounting groove, the connecting springs are positioned above the hooking teeth, the hooking teeth are connected with the support arm through the connecting springs, a groove is formed in a push rod, a push plate is arranged on the right side of the push rod, the push plate is positioned on the inner side of a transverse groove, a push block is arranged on the push plate, a punch and a driving spring are respectively arranged on the right side of the push plate, and the driving spring is positioned on the outer side of the punch. The high-speed intermittent blanking mechanism is precise and smart, improves the production efficiency, reduces the manufacturing cost, eases the productivity pressure, has high reliability, avoids the influence of the air pressure on the timeliness and the accuracy of the action, and improves the stability of blanking work.
Description
Technical Field
The invention relates to the technical field of multi-station progressive dies, in particular to a high-speed intermittent blanking mechanism.
Background
The traditional intermittent blanking multi-station progressive die is realized by controlling the action mode of the air cylinder through an electric cabinet, but the system is greatly affected by the outside (such as timeliness and accuracy of the action of the air cylinder influenced by the air pressure) so as to limit the stamping speed of the multi-station progressive die, limit the production efficiency of stamped parts and the production and manufacturing cost of the parts, and in order to thoroughly break through the bottleneck that the air cylinder system prevents the stamping speed of the multi-station progressive die from being improved, a precise and flexible mechanical transmission device is urgently needed to replace the air cylinder system;
1. the existing multi-station progressive die electric control blanking system is easily influenced by the outside, so that the timeliness and the accuracy of the action of the system are influenced, and the production of products is further influenced;
2. the traditional multi-station progressive die restricts the production efficiency of stamped parts and the production and manufacturing cost of the parts.
Disclosure of Invention
The invention aims to provide a high-speed intermittent blanking mechanism, which solves the problems that the existing multi-station progressive die electric control blanking system provided in the background technology is easily influenced by the outside, so that the timeliness and the accuracy of the action of the system are influenced, the production of products is influenced, and the production efficiency of stamped parts and the production and manufacturing cost of the parts are restricted.
In order to achieve the above purpose, the present invention provides the following technical solutions: the high-speed intermittent blanking mechanism comprises an upper die holder, a lower die holder and a ratchet wheel, wherein a gear box is arranged on the upper die holder, the lower die holder is arranged on the outer side of the upper die holder, a support arm is arranged on the lower die holder, a mounting groove is formed in the support arm, a hook tooth and a connecting spring are respectively arranged on the inner side of the mounting groove, the connecting spring is positioned above the hook tooth, the hook tooth is connected with the support arm through the connecting spring, the ratchet wheel is positioned below the hooking teeth, the ratchet wheel is positioned in the gear box, the ratchet wheel is provided with a connecting shaft, the ratchet wheel is connected with the gear box through the connecting shaft, the outer side of the ratchet wheel is provided with a driving wheel, the driving wheel is positioned in the gear box, the driving wheel is connected with the gear box through the connecting shaft, the outer side of the driving wheel is connected with a driven wheel, the driven wheel is positioned in the gear box, the driven wheel is provided with a transmission rod, the driven wheel is connected with the gear box through the transmission rod, the transmission rod is respectively provided with a mounting seat, a first cam, a second cam, a third cam and a fourth cam, bosses are respectively arranged on the first cam, the second cam, the third cam and the fourth cam, push rods are respectively and correspondingly arranged below the first cam, the second cam, the third cam and the fourth cam, and the lower extreme of push rod is located the inboard of accomodating the groove, the below of push rod is connected with reset spring, and reset spring is located the inboard of accomodating the groove, set up flutedly on the push rod, and the right side of push rod is provided with the push pedal, the push pedal is located the inboard of transverse groove, and installs the ejector pad in the push pedal, the right side of push pedal is provided with punch and drive spring respectively, and drive spring is located the outside of punch.
Preferably, the hooking teeth form a telescopic structure with the mounting groove through the connecting spring, and the left side of the lower end of the hooking teeth is an inclined structure.
Preferably, the ratchet wheel and the driving wheel are fixedly connected with the connecting shaft, and the ratchet wheel and the driving wheel form a rotating structure with the gear box through the connecting shaft.
Preferably, the driven wheel, the first cam, the second cam, the third cam and the fourth cam are fixedly connected with the transmission rod, the driven wheel, the first cam, the second cam, the third cam and the fourth cam form a rotating structure with the gear box and the mounting seat respectively through the transmission rod, and the driven wheel is in meshed connection with the driving wheel.
Preferably, the method comprises the steps of, the diameters of the first cam, the second cam, the third cam and the fourth cam are equal, the number of the bosses on the first cam, the second cam and the third cam is 10 respectively 6 and 1.
Preferably, the push rod is in a 1-shaped structure, and the top end of the push rod is of an arc-shaped structure, and the push rod is connected with the return spring the storage groove forms a telescopic structure.
Preferably, the method comprises the steps of, the groove is positively sectioned into a trapezoid structure, and the grooves are uniformly distributed in the right side surface of the push rod.
Preferably, the push plate and the transverse groove form a telescopic structure through the driving spring, and the push plate is fixedly connected with the punch.
Preferably, the pushing block is mutually matched with the groove, and the pushing block is fixedly connected with the pushing plate.
Compared with the prior art, the invention has the beneficial effects that: the high-speed intermittent blanking mechanism comprises a high-speed intermittent blanking mechanism,
1. the precision and the dexterity are improved, the production efficiency is improved, the manufacturing cost is reduced, the productivity pressure is relieved, the reliability is high, the timeliness and the accuracy of the action of the blanking machine are prevented from being influenced by the air pressure, and the stability of blanking work is improved;
2. the die stamping speed can be improved, multiple requirements of one die can be met, the die space is reduced, the problem that a cylinder system hinders multi-station progressive die stamping speed is solved, and the functions of intermittent blanking or forming and the dual requirements of high-speed progressive stamping are met.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a connection structure between an upper die holder and a lower die holder according to the present invention;
FIG. 3 is a schematic cross-sectional view of the structure of the invention at A-A in FIG. 1;
FIG. 4 is a schematic view of a first cam structure according to the present invention;
FIG. 5 is a schematic view of a second cam structure according to the present invention;
FIG. 6 is a schematic view of a third cam structure according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of the present invention at B in FIG. 1;
fig. 8 is an enlarged schematic view of the structure of fig. 1 at a.
In the figure: 1. an upper die holder; 2. a gear box; 3. a lower die holder; 4. a support arm; 5. a mounting groove; 6. hooking teeth; 7. a connecting spring; 8. a ratchet wheel; 9. a connecting shaft; 10. a driving wheel; 11. driven wheel; 12. a transmission rod; 13. a mounting base; 14. a first cam; 15. a second cam; 16. a third cam; 17. a fourth cam; 18. a boss; 19. a push rod; 20. a storage groove; 21. a return spring; 22. a groove; 23. a push plate; 24. a transverse groove; 25. a pushing block; 26. a punch; 27. and a drive spring.
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.
Referring to fig. 1-8, the present invention provides a technical solution: a high-speed intermittent blanking mechanism comprises an upper die holder 1, a lower die holder 3 and a ratchet wheel 8, wherein a gear box 2 is arranged on the upper die holder 1, the lower die holder 3 is arranged on the outer side of the upper die holder 1, a support arm 4 is arranged on the lower die holder 3, a mounting groove 5 is arranged on the support arm 4, a hooking tooth 6 and a connecting spring 7 are respectively arranged on the inner side of the mounting groove 5, the connecting spring 7 is positioned above the hooking tooth 6, the hooking tooth 6 is connected with the support arm 4 through the connecting spring 7, the ratchet wheel 8 is positioned below the hooking tooth 6, the ratchet wheel 8 is positioned in the gear box 2, a connecting shaft 9 is arranged on the ratchet wheel 8, the ratchet wheel 8 is connected with the gear box 2 through the connecting shaft 9, a driving wheel 10 is arranged on the outer side of the ratchet wheel 8, the driving wheel 10 is positioned in the gear box 2, the driving wheel 10 is connected with the gear box 2 through the connecting shaft 9, the outer side of the driving wheel 10 is connected with a driven wheel 11, the driven wheel 11 is positioned at the inner side of the gear box 2, the driving rod 12 is arranged on the driven wheel 11, the driven wheel 11 is connected with the gear box 2 through the driving rod 12, the driving rod 12 is respectively provided with a mounting seat 13, a first cam 14, a second cam 15, a third cam 16 and a fourth cam 17, bosses 18 are respectively arranged on the first cam 14, the second cam 15, the third cam 16 and the fourth cam 17, push rods 19 are respectively and correspondingly arranged below the first cam 14, the second cam 15, the third cam 16 and the fourth cam 17, the lower end of each push rod 19 is positioned at the inner side of the containing groove 20, a return spring 21 is connected below each push rod 19, each return spring 21 is positioned at the inner side of the containing groove 20, a groove 22 is formed in each push rod 19, a push plate 23 is arranged on the right side of each push rod 19, each push plate 23 is positioned at the inner side of the transverse groove 24, push plates 23 are respectively provided with push blocks 25, the right side of the push plate 23 is provided with a punch 26 and a drive spring 27, respectively, and the drive spring 27 is located outside the punch 26.
The hook teeth 6 in the embodiment form a telescopic structure with the mounting groove 5 through the connecting spring 7, and the left side of the lower end of the hook teeth 6 is of an inclined structure, so that the hook teeth 6 conveniently extend out of the mounting groove 5 under the pushing of the connecting spring 7, and the hook teeth 6 are connected with the ratchet wheel 8 and the ratchet wheel 8 is conveniently stirred;
the ratchet wheel 8 and the driving wheel 10 are fixedly connected with the connecting shaft 9, and the ratchet wheel 8 and the driving wheel 10 form a rotating structure with the gear box 2 through the connecting shaft 9, so that the ratchet wheel 8 can conveniently drive the driving wheel 10 to rotate in the gear box 2 through the connecting shaft 9 when rotating;
the driven wheel 11, the first cam 14, the second cam 15, the third cam 16 and the fourth cam 17 are fixedly connected with the transmission rod 12, the driven wheel 11, the first cam 14, the second cam 15, the third cam 16 and the fourth cam 17 respectively form a rotating structure with the gear box 2 and the mounting seat 13 through the transmission rod 12, and the driven wheel 11 is in meshed connection with the driving wheel 10, so that the driven wheel 11 is beneficial to respectively driving the first cam 14, the second cam 15, the third cam 16 and the fourth cam 17 to rotate through the transmission rod 12;
the diameters of the first cam 14, the second cam 15, the third cam 16 and the fourth cam 17 are equal, and the number of the bosses 18 on the first cam 14, the second cam 15 and the third cam 16 is 10, 6 and 1 respectively, so that push rods 19 can be pushed at different speeds and rules conveniently, and stable blanking processing is facilitated;
the push rod 19 is of a 1-shaped structure, the top end of the push rod 19 is of an arc-shaped structure, and the push rod 19 and the storage groove 20 form a telescopic structure through the reset spring 21, so that the push rod 19 is pushed to retract into the storage groove 20 through the reset spring 21, and meanwhile the push rod 19 is pushed to extend out of the storage groove 20 through the reset spring 21 conveniently;
the grooves 22 are in a trapezoid structure, and the grooves 22 are uniformly distributed on the right side surface of the push rod 19, so that the push rod 19 is connected with the push plate 23 through the grooves 22;
the push plate 23 and the transverse groove 24 form a telescopic structure through the driving spring 27, and the push plate 23 is fixedly connected with the punch 26, so that the push plate 23 can drive the punch 26 to perform telescopic movement in the transverse groove 24 under the pushing of the driving spring 27;
the push block 25 is mutually matched with the groove 22, and the push block 25 is fixedly connected with the push plate 23, so that the push rod 19 can push the push plate 23 to slide on the inner side of the transverse groove 24 through the groove 22 and the push block 25, and the smoothness of movement of the push plate 23 is improved.
Working principle: according to fig. 1-8, the upper die holder 1 and the lower die holder 3 are stably installed, when the upper die holder 1 and the lower die holder 3 are closed, the hooking teeth 6 on the support arm 4 downwards extend out of the installation groove 5 under the pushing of the connecting spring 7, at the moment, the hooking teeth 6 push the ratchet wheel 8 to rotate in the gear box 2 through the connecting shaft 9 by the inclined structure at the lower end, while the ratchet wheel 8 rotates, the driving wheel 10 rotates in the gear box 2 through the connecting shaft 9, while the driving wheel 10 rotates, the driving wheel 10 drives the driven wheel 11 to rotate in the gear box 2, while the driven wheel 11 rotates, the driven wheel 11 drives the first cam 14, the second cam 15, the third cam 16 and the fourth cam 17 through the transmission rod 12;
according to fig. 1-8, while the first cam 14, the second cam 15, the third cam 16 and the fourth cam 17 rotate, the first cam 14, the second cam 15, the third cam 16 and the fourth cam 17 push down the corresponding push rods 19 respectively through the bosses 18 (because of different distribution states of the bosses 18 on the first cam 14, the second cam 15, the third cam 16 and the fourth cam 17, the push frequencies of the corresponding push rods 19 are different), at this time, the push rods 19 are pushed by the bosses 18 to drive the return springs 21 to retract into the accommodating grooves 20, and while the push rods 19 are retracted down into the accommodating grooves 20, the push rods 19 push the push blocks 25 to move rightward through inclined edges on the grooves 22, so that the push blocks 25 drive the push plates 23 to slide rightward in the transverse grooves 24, and the push plates 23 at this time drive the driving springs 27 and the punches 26 to move rightward in the transverse grooves 24, so that the punches 26 blank materials between the upper die holder 1 and the lower die holder 3 respectively;
according to fig. 1-8, after blanking of the material between the upper die holder 1 and the lower die holder 3 is completed, the upper die holder 1 and the lower die holder 3 are separated, while the upper die holder 1 and the lower die holder 3 are separated, the tooth 6 drives the ratchet 8 to rotate again, the ratchet 8 drives the driven wheel 11 to rotate through the driving wheel 10, the driven wheel 11 drives the first cam 14, the second cam 15, the third cam 16 and the fourth cam 17 to rotate again, so as to disengage the boss 18 pushing the push rod 19 from the push rod 19, the upper end of the push rod 19 is located at a concave position between the bosses 18, the return spring 21 pushes the push rod 19 upwards to extend out of the storage groove 20 until the upper end of the push rod 19 is pushed into the concave position between the bosses 18, during this process, the push rod 19 drives the groove 22 to displace upwards until the groove 22 is aligned with the push block 25 on the push plate 23 again, the driving spring 27 pushes the push plate 23 to retract into the transverse groove 24 until the push block 25 on the push plate 23 is clamped into the groove 22, and the push plate 23 is pushed by the driving spring 27 to retract into the transverse groove 24, and the punch 26 is simultaneously retracted under the pushing of the driving spring 27 to retract into the transverse groove 26.
It is to be understood that the terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are merely for convenience in describing the invention, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the scope of the invention.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high-speed intermittent type nature blanking mechanism, includes upper die base (1), die holder (3) and ratchet (8), its characterized in that: the upper die holder (1) is provided with a gear box (2), the outer side of the upper die holder (1) is provided with a lower die holder (3), the lower die holder (3) is provided with a support arm (4), and the support arm (4) is provided with a mounting groove (5), the inner side of the mounting groove (5) is respectively provided with a hook tooth (6) and a connecting spring (7), the connecting spring (7) is positioned above the hook tooth (6), the hook tooth (6) is mutually connected with the support arm (4) through the connecting spring (7), the ratchet wheel (8) is positioned below the hook tooth (6), the ratchet wheel (8) is positioned in the gear box (2), the ratchet wheel (8) is provided with a connecting shaft (9), the ratchet wheel (8) is mutually connected with the gear box (2) through the connecting shaft (9), the outer side of the ratchet wheel (8) is provided with a driving wheel (10), the driving wheel (10) is positioned in the gear box (2), the inner side of the gear box (10) is mutually connected with the gear box (2) through the connecting shaft (9), the outer side of the driving wheel (10) is connected with the driven wheel (11) and is positioned on the driven wheel (11), the driven wheel (11) is connected with the gear box (2) through a transmission rod (12), a mounting seat (13), a first cam (14), a second cam (15), a third cam (16) and a fourth cam (17) are respectively arranged on the transmission rod (12), bosses (18) are respectively arranged on the first cam (14), the second cam (15), the third cam (16) and the fourth cam (17), push rods (19) are respectively and correspondingly arranged below the first cam (14), the second cam (15), the third cam (16) and the fourth cam (17), the lower end of each push rod (19) is positioned at the inner side of a storage groove (20), a return spring (21) is connected below each push rod (19), each return spring (21) is positioned at the inner side of the storage groove (20), a groove (22) is formed in each push rod (19), a push plate (23) is positioned at the inner side of a transverse groove (24), push plates (23) are respectively provided with push springs (27), and a drive punch (27) are arranged at the right sides (25) and the drive punch (27) are respectively positioned at the outer sides (27) of the push plates (27); the ratchet wheel (8) and the driving wheel (10) are fixedly connected with the connecting shaft (9), and the ratchet wheel (8) and the driving wheel (10) form a rotating structure with the gear box (2) through the connecting shaft (9); the driven wheel (11), the first cam (14), the second cam (15), the third cam (16) and the fourth cam (17) are fixedly connected with the transmission rod (12), the driven wheel (11), the first cam (14), the second cam (15), the third cam (16) and the fourth cam (17) are respectively connected with the gear box (2) and the mounting seat (13) through the transmission rod (12) to form a rotating structure, and the driven wheel (11) is meshed with the driving wheel (10); the diameters of the first cam (14), the second cam (15), the third cam (16) and the fourth cam (17) are equal, and the number of bosses (18) on the first cam (14), the second cam (15) and the third cam (16) is 10, 6 and 1 respectively.
2. A high-speed intermittent blanking mechanism according to claim 1, wherein: the hook teeth (6) and the mounting groove (5) form a telescopic structure through the connecting spring (7), and the left side of the lower end of the hook teeth (6) is of an inclined structure.
3. A high-speed intermittent blanking mechanism according to claim 1, wherein: the push rod (19) is of a 1-shaped structure, the top end of the push rod (19) is of an arc-shaped structure, and the push rod (19) and the storage groove (20) form a telescopic structure through the reset spring (21).
4. A high-speed intermittent blanking mechanism according to claim 1, wherein: the grooves (22) are in a trapezoid structure, and the grooves (22) are uniformly distributed on the right side surface of the push rod (19).
5. A high-speed intermittent blanking mechanism according to claim 1, wherein: the push plate (23) and the transverse groove (24) form a telescopic structure through a driving spring (27), and the push plate (23) is fixedly connected with the punch (26).
6. A high-speed intermittent blanking mechanism according to claim 1, wherein: the pushing block (25) is mutually matched with the groove (22), and the pushing block (25) is fixedly connected with the pushing plate (23).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910203985.0A CN109865761B (en) | 2019-03-18 | 2019-03-18 | High-speed intermittent blanking mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910203985.0A CN109865761B (en) | 2019-03-18 | 2019-03-18 | High-speed intermittent blanking mechanism |
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| CN109865761A CN109865761A (en) | 2019-06-11 |
| CN109865761B true CN109865761B (en) | 2024-04-09 |
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| CN201910203985.0A Active CN109865761B (en) | 2019-03-18 | 2019-03-18 | High-speed intermittent blanking mechanism |
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| CN114798880A (en) * | 2022-05-30 | 2022-07-29 | 昆山湘北精密金属有限公司 | Discontinuous stamping power mechanism |
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| CN105081058A (en) * | 2015-08-13 | 2015-11-25 | 深圳市协和辉五金制品有限公司 | Intermittent bur-stamping mold |
| CN206335050U (en) * | 2017-03-16 | 2017-07-18 | 深圳市华科精密组件有限公司 | Punch mechanism is selected in a kind of diel |
| CN206779248U (en) * | 2017-05-16 | 2017-12-22 | 芜湖天鹏数控高速冲槽机制造有限公司 | A kind of notching press |
| CN207770566U (en) * | 2017-12-13 | 2018-08-28 | 台州市中瑞电子有限公司 | Cam punching pin cutting mechanism |
| CN208288821U (en) * | 2018-06-06 | 2018-12-28 | 昆山德盛精密模具有限公司 | A kind of stamping continuous die ratchet intermittent pressing mechanism |
| CN209597968U (en) * | 2019-03-18 | 2019-11-08 | 南京工业职业技术学院 | A kind of rapid intermittent blanking mechanism |
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2019
- 2019-03-18 CN CN201910203985.0A patent/CN109865761B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59101239A (en) * | 1982-12-02 | 1984-06-11 | Mitsubishi Electric Corp | Press die |
| CN201969787U (en) * | 2010-12-30 | 2011-09-14 | 昆山嘉华电子有限公司 | Quantitative stamping die trimming mechanism |
| CN105081058A (en) * | 2015-08-13 | 2015-11-25 | 深圳市协和辉五金制品有限公司 | Intermittent bur-stamping mold |
| CN206335050U (en) * | 2017-03-16 | 2017-07-18 | 深圳市华科精密组件有限公司 | Punch mechanism is selected in a kind of diel |
| CN206779248U (en) * | 2017-05-16 | 2017-12-22 | 芜湖天鹏数控高速冲槽机制造有限公司 | A kind of notching press |
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