CN111036743B - High-speed cam bending machine - Google Patents

High-speed cam bending machine Download PDF

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Publication number
CN111036743B
CN111036743B CN201911263378.XA CN201911263378A CN111036743B CN 111036743 B CN111036743 B CN 111036743B CN 201911263378 A CN201911263378 A CN 201911263378A CN 111036743 B CN111036743 B CN 111036743B
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CN
China
Prior art keywords
slider
cam
clamp
hole
encoder
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Expired - Fee Related
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CN201911263378.XA
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Chinese (zh)
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CN111036743A (en
Inventor
不公告发明人
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Shandong Yuncheng Juntong Special Vehicle Co ltd
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Shandong Yuncheng Juntong Special Vehicle Co Ltd
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Priority to CN201911263378.XA priority Critical patent/CN111036743B/en
Publication of CN111036743A publication Critical patent/CN111036743A/en
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Publication of CN111036743B publication Critical patent/CN111036743B/en
Expired - Fee Related legal-status Critical Current
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/22—Auxiliary equipment, e.g. positioning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The invention discloses a high-speed cam bending machine, which comprises a carrier plate, a speed reducing motor and a control device, wherein the carrier plate is provided with a first through hole and a first guide groove, an output shaft of the speed reducing motor passes through the first through hole and is provided with a bending cam, the output shaft of the speed reducing motor is detachably connected with the bending cam, the speed reducing motor is fixedly connected with the back surface of the carrier plate, a first guide rail is arranged on the carrier plate, a second guide groove corresponding to the first guide groove is arranged on the first guide rail, the first guide rail is provided with a first slider and a second slider, the first slider is provided with a second through hole, the back of the carrier plate is provided with an encoder, the first slider and the second slider are respectively provided with a first clamp and a second clamp, an input shaft of the encoder is fixedly connected with the first clamp, and the encoder is connected with the carrier plate in a sliding manner; the high-speed cam bending machine is high in working efficiency.

Description

High-speed cam bending machine
Technical Field
The invention relates to a high-speed cam bending machine.
Background
The bending machine is a machine capable of bending articles, and mainly comprises a support, a workbench and a clamping plate, wherein the workbench is arranged on the support and comprises a base and a pressing plate, the base is connected with the clamping plate through a hinge and comprises a seat shell, a coil and a cover plate, the coil is arranged in a recess of the seat shell, and the cover plate covers the top of the recess. When the clamping device is used, the coil is electrified by the lead, and the attraction is generated on the pressing plate after the coil is electrified, so that the clamping of articles between the pressing plate and the base is realized. The electromagnetic force clamping is adopted, so that the pressing plate can be made into various workpiece requirements, and the workpiece with the side wall can be processed, and the operation is very simple and convenient.
The work efficiency of the current bending machine is general, and those skilled in the art hope that the work efficiency of the bending machine can be further improved.
Disclosure of Invention
The invention aims to provide a high-speed cam bending machine with high working efficiency.
In order to solve the problems, the invention adopts the following technical scheme:
a high-speed cam bending machine comprises a support plate, a reducing motor and a control device, wherein a first through hole and a first guide groove are formed in the support plate, an output shaft of the reducing motor penetrates through the first through hole and is provided with a bending cam, an output shaft of the reducing motor is detachably connected with the bending cam, the reducing motor is fixedly connected with the back surface of the support plate, a first guide rail is arranged on the support plate, a second guide groove corresponding to the first guide groove is formed in the first guide rail, a first slider and a second slider are arranged on the first guide rail, a second through hole is formed in the first slider, an encoder is arranged on the back surface of the support plate, an input shaft of the encoder sequentially penetrates through the first guide groove, the second guide groove and the second through hole, a first clamp and a second clamp are respectively arranged on the first slider and the second slider, the first clamp and the second clamp are respectively rotatably connected with the first slider and the second slider, the input shaft and the first anchor clamps fixed connection of encoder, encoder and support plate sliding connection, encoder and gear motor all with controlling means electric connection.
Preferably, be provided with the second guide rail between encoder and the support plate, install the third slider on the second guide rail, third slider and encoder fixed connection, the encoder passes through second guide rail and third slider and support plate sliding connection, realizes encoder and support plate sliding connection through disposing the guide rail, simple structure, and stability is better, and the flexibility is good.
Preferably, the first clamp and the second clamp are respectively provided with a first turntable bearing and a second turntable bearing on the back, the first clamp and the second clamp are respectively in bolted connection with the first turntable bearing and the second turntable bearing, the first turntable bearing and the second turntable bearing are respectively in bolted connection with the first slider and the second slider, the first clamp and the second clamp are good in rotating structural stability, simple in structure and convenient to use.
Preferably, the carrier plate is provided with a first resetting device matched with the first clamp and a second resetting device matched with the second clamp, and the clamps are reset by the aid of the resetting devices, so that the operation is more convenient.
As preferred, first resetting means and second resetting means all include volute spiral spring and sleeve, the sleeve middle part is provided with the spliced pole, volute spiral spring end curls there is the insertion portion that is the L type, be provided with the spacing groove that pairs with the insertion portion on the spliced pole, the insertion portion inserts the spacing inslot, volute spiral spring passes through spacing groove and insertion portion and sleeve fixed connection, the sleeve setting is worn out to the spliced pole, be provided with on the sleeve and wear out the hole, be provided with on the volute spiral spring and wear out the hole assorted torque arm, the torque arm wears out outside the sleeve through wearing out the hole, the torque arm parallels with first guide rail when not receiving exogenic action, resetting means simple structure does not need power consumptively simultaneously, and it is convenient to change the accessory.
Preferably, the connecting column and the sleeve are arranged in an integrated mode, the tail end of the connecting column penetrates out of the sleeve, external threads are arranged at the tail end of the connecting column, screw holes matched with the external threads are formed in the carrier plate, the connecting column is screwed into the screw holes, connecting portions are arranged on the sleeve and connected with the carrier plate through bolts, the overall structure is stable, the resetting device is good in dismounting convenience, and replacement can be facilitated for a user.
Preferably, the bending cam is sleeved with a cam expansion sleeve, the cam expansion sleeve is provided with an insertion hole matched with the bending cam, a tenon is arranged on the hole wall of the insertion hole, the bending cam is provided with a mortise matched with the tenon, the bending cam and the cam expansion sleeve are detachably connected through the tenon and the mortise, and the cam expansion sleeve can be installed according to actual conditions by being provided with the cam expansion sleeve, so that the bending degree is improved, the convenience is good, and meanwhile, the bending amplitude can be adjusted well.
Preferably, the bending cam is provided with a screw hole, the cam expansion sleeve is provided with a through hole, a butterfly bolt is inserted into the through hole, the tail end of the butterfly bolt is screwed into the screw hole, the cam expansion sleeve is good in working stability, and meanwhile, the cam expansion sleeve is convenient to disassemble and assemble.
The invention has the beneficial effects that: the two ends of an article to be bent are respectively clamped by a first clamp and a second clamp, then a speed reduction motor is started to drive a bending cam to rotate, so that the bending cam is in contact with the article and bends the article, meanwhile, as the first clamp and the second clamp adopt rotatable structures, the deformation of the two ends during bending is favorably prevented, and an encoder is arranged, once the rotation value of the clamps is greater than the set value of the encoder, the encoder feeds information back to a control device, then the control device stops the motor to work, the automation degree is high, the accuracy of the bending degree is high, the working efficiency is high, in addition, preferably, a second guide rail is arranged between the encoder and a support plate, a third slider is arranged on the second guide rail, the third slider is fixedly connected with the encoder, and the encoder is in sliding connection with the support plate through the second guide rail and the third slider, realize encoder and support plate sliding connection through disposing the guide rail, simple structure, stability is better, and the flexibility is good. The first clamp and the second clamp are respectively provided with a first turntable bearing and a second turntable bearing at the back, the first clamp and the second clamp are respectively in bolted connection with the first turntable bearing and the second turntable bearing, the first turntable bearing and the second turntable bearing are respectively in bolted connection with the first slider and the second slider, the first clamp and the second clamp are good in rotating structural stability, simple in structure and convenient to use. The support plate is provided with a first reset device matched with the first clamp and a second reset device matched with the second clamp, and the clamps are reset by the aid of the reset devices, so that the operation is more convenient. First resetting means and second resetting means all include volute spiral spring and sleeve, the sleeve middle part is provided with the spliced pole, volute spiral spring end curls has the portion of inserting that is the L type, be provided with on the spliced pole with the portion of inserting mating spacing groove, the portion of inserting inserts the spacing inslot, volute spiral spring passes through spacing groove and portion of inserting and sleeve fixed connection, the sleeve setting is worn out to the spliced pole, be provided with on the sleeve and wear out the hole, be provided with on the volute spiral spring and wear out hole mating torsion arm, the torsion arm is through wearing out outside the hole wears out the sleeve, the torsion arm parallels with first guide rail when not receiving exogenic action, and resetting means simple structure need not be power consumptive simultaneously, and it is convenient to change the accessory. Spliced pole and sleeve formula setting as an organic whole, the sleeve setting is worn out to the spliced pole end, the spliced pole end is provided with the external screw thread, be provided with the screw that pairs with the external screw thread on the support plate, the spliced pole twists in the screw, be provided with connecting portion on the sleeve, connecting portion and support plate bolted connection, overall structure is stable, and resetting means dismouting convenience is good, can the person of facilitating the use change. The bending cam is sleeved with a cam expansion sleeve, the cam expansion sleeve is provided with an embedding hole matched with the bending cam, a tenon is arranged on the hole wall of the embedding hole, a mortise matched with the tenon is arranged on the bending cam, the bending cam and the cam expansion sleeve are detachably connected through the tenon and the mortise, and the cam expansion sleeve can be installed according to actual conditions by being provided with the cam expansion sleeve, so that the bending degree is improved, the convenience is good, and the bending amplitude can be adjusted. The bending cam is provided with a screw hole, a through hole is formed in the cam expansion sleeve, a butterfly bolt is inserted into the through hole, the tail end of the butterfly bolt is screwed into the screw hole, the cam expansion sleeve is good in stability during working, and meanwhile, the cam expansion sleeve is convenient to disassemble and assemble.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Figure 1 is a cross-sectional view of a high speed cam bending machine of the present invention.
Figure 2 is a front view of a high speed cam bending machine of the present invention.
Figure 3 is a partial cross-sectional view of a high speed cam bending machine of the present invention.
Figure 4 is a cross-sectional view of a first rail of a high speed cam bending machine of the present invention.
Figure 5 is a top view of a sleeve for a high speed cam bending machine of the present invention.
Fig. 6 is a schematic structural diagram of a spiral spring of a high-speed cam bending machine according to the present invention.
Fig. 7 is a schematic structural diagram of a cam expanding sleeve of the high-speed cam bending machine.
In the figure:
1. a carrier plate; 2. a reduction motor; 3. a control device; 4. bending the cam; 5. a first guide rail; 6. a second guide groove; 7. a first slider; 8. an encoder; 9. a first clamp; 10. a second clamp; 11. a second guide rail; 12. a third slider; 13. a turntable bearing; 15. A resetting device; 16. a second reset device; 17. a volute spiral spring; 19. a sleeve; 20. connecting columns; 21. an insertion portion; 22. a limiting groove; 23. an outlet hole is formed; 24. a torsion arm; 25. a connecting portion; 26. a cam expansion sleeve; 27. an insertion hole; 28. a tenon; 29. butterfly bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a conventional manner such as bolt fixing, pin shaft connecting, adhesive fixing, or rivet fixing, which is commonly used in the prior art, and therefore, the detailed description thereof will not be provided in the examples.
Example 1
As shown in fig. 1 to 5, a high-speed cam bending machine includes a carrier plate 1, a reduction motor 2 and a control device 3, wherein the carrier plate 1 is provided with a first through hole (not shown) and a first guide groove (not shown), an output shaft of the reduction motor 2 passes through the first through hole and is provided with a bending cam 4, the output shaft of the reduction motor 2 is detachably connected with the bending cam 4, the reduction motor 2 is fixedly connected with the back surface of the carrier plate 1, the carrier plate 1 is provided with a first guide rail 5, the first guide rail 5 is provided with a second guide groove 6 corresponding to the first guide groove, the first guide rail 5 is provided with a first slider 7 and a second slider (not shown), the first slider 7 is provided with a second through hole (not shown), the back surface of the carrier plate 1 is provided with an encoder 8, and an input shaft of the encoder 8 sequentially passes through the first guide groove, The second guide groove 6 and the second are arranged in a punched mode, a first clamp 9 and a second clamp 10 are arranged on the first slider 7 and the second slider respectively, the first clamp 9 and the second clamp 10 are connected with the first slider 7 and the second slider respectively in a rotating mode, an input shaft of the encoder 8 is fixedly connected with the first clamp 9, the encoder 8 is connected with the support plate 1 in a sliding mode, and the encoder 8 and the speed reduction motor 2 are both electrically connected with the control device 3.
The beneficial effect of this embodiment does: article both ends that will bend are cliied through first anchor clamps and second anchor clamps respectively, then start gear motor drive cam rotation of bending, thereby make the cam of bending and article contact and bend article, simultaneously because first anchor clamps and second anchor clamps have adopted can pivoted structure, be favorable to preventing the condition that the both ends appear warping when bending, and be furnished with the encoder, in case when the rotation value of anchor clamps is greater than the setting value of encoder, the encoder feeds back information to controlling means, controlling means stop motor work afterwards, degree of automation is high, the degree of bending accuracy is higher, high work efficiency.
Example 2
As shown in fig. 1 to 7, a high-speed cam bending machine includes a carrier plate 1, a reduction motor 2 and a control device 3, wherein the carrier plate 1 is provided with a first through hole (not shown) and a first guide groove (not shown), an output shaft of the reduction motor 2 passes through the first through hole and is provided with a bending cam 4, the output shaft of the reduction motor 2 is detachably connected with the bending cam 4, the reduction motor 2 is fixedly connected with the back surface of the carrier plate 1, the carrier plate 1 is provided with a first guide rail 5, the first guide rail 5 is provided with a second guide groove 6 corresponding to the first guide groove, the first guide rail 5 is provided with a first slider 7 and a second slider (not shown), the first slider 7 is provided with a second through hole (not shown), the back surface of the carrier plate 1 is provided with an encoder 8, and an input shaft of the encoder 8 sequentially passes through the first guide groove, The second guide groove 6 and the second are arranged in a punched mode, a first clamp 9 and a second clamp 10 are arranged on the first slider 7 and the second slider respectively, the first clamp 9 and the second clamp 10 are connected with the first slider 7 and the second slider respectively in a rotating mode, an input shaft of the encoder 8 is fixedly connected with the first clamp 9, the encoder 8 is connected with the support plate 1 in a sliding mode, and the encoder 8 and the speed reduction motor 2 are both electrically connected with the control device 3.
In this embodiment, be provided with second guide rail 11 between encoder 8 and support plate 1, install third slider 12 on the second guide rail 11, third slider 12 and encoder 8 fixed connection, encoder 8 realizes encoder 8 and support plate 1 sliding connection through disposing the guide rail through second guide rail 11 and third slider 12 and support plate 1 sliding connection, simple structure, and stability is better, and the flexibility is good.
In this embodiment, the first fixture 9 and the second fixture 10 are respectively provided with a first turntable bearing 13 and a second turntable bearing (not shown) on the back, the first fixture 9 and the second fixture 10 are respectively bolted to the first turntable bearing 13 and the second turntable bearing, the first turntable bearing 13 and the second turntable bearing are respectively bolted to the first slider 7 and the second slider, and the first fixture 9 and the second fixture 10 have good stability in rotation structure, and are simple in structure and convenient to use.
In this embodiment, the carrier plate 1 is provided with a first resetting device 15 paired with the first clamp 9 and a second resetting device 16 paired with the second clamp 10, and the resetting of the clamps by the resetting devices can make the operation more convenient.
In this embodiment, the first return means 15 and the second return means 16 each comprise a volute spring 17 and a sleeve 19, a connecting column 20 is arranged in the middle of the sleeve 19, an L-shaped inserting part 21 is curled at the tail end of the spiral spring 17, the connecting column 20 is provided with a limiting groove 22 matched with the inserting part 21, the inserting part 21 is inserted into the limiting groove 22, the spiral spring 17 is fixedly connected with the sleeve 19 through a limiting groove 22 and an inserting part 21, the connecting column 20 is arranged through the sleeve 19, the sleeve 19 is provided with a through hole 23, the spiral spring 17 is provided with a torsion arm 24 which is matched with the penetrating hole 23, the torsion arm 24 penetrates out of the sleeve 19 through the penetrating hole 23, the torque arm 24 is parallel to the first guide rail 5 when not acted by external force, the resetting device has simple structure, does not need power consumption, and is convenient for replacing accessories.
In this embodiment, the connecting column 20 and the sleeve 19 are integrally arranged, the end of the connecting column 20 penetrates out of the sleeve 19, the end of the connecting column 20 is provided with an external thread (not shown), the carrier plate 1 is provided with a screw hole (not shown) matched with the external thread, the connecting column 20 is screwed into the screw hole, the sleeve 19 is provided with a connecting portion 25, the connecting portion 25 is in bolted connection with the carrier plate 1, the overall structure is stable, the resetting device is convenient to disassemble and assemble, and the resetting device can be replaced by a user conveniently.
In this embodiment, the bending cam 4 is sleeved with a cam expansion sleeve 26, the cam expansion sleeve 26 is provided with an insertion hole 27 matched with the bending cam 4, a tenon 28 is arranged on the hole wall of the insertion hole 27, the bending cam 4 is provided with a mortise (not shown) matched with the tenon 28, the bending cam 4 and the cam expansion sleeve 26 are detachably connected through the tenon 28 and the mortise, the cam expansion sleeve 26 can be installed according to actual conditions by being provided with the cam expansion sleeve 26, so that the bending degree is improved, the convenience is good, and meanwhile, the bending amplitude can be adjusted well.
In this embodiment, the bending cam 4 is provided with a screw hole (not shown), the cam expansion sleeve is provided with a through hole (not shown), a butterfly bolt 29 is inserted into the through hole, and the tail end of the butterfly bolt 29 is screwed into the screw hole, so that the cam expansion sleeve 26 has good stability during operation and is convenient to assemble and disassemble.
The beneficial effect of this embodiment does: the two ends of an article to be bent are respectively clamped by a first clamp and a second clamp, then a speed reduction motor is started to drive a bending cam to rotate, so that the bending cam is in contact with the article and bends the article, meanwhile, as the first clamp and the second clamp adopt rotatable structures, the deformation of the two ends during bending is favorably prevented, and an encoder is arranged, once the rotation value of the clamps is greater than the set value of the encoder, the encoder feeds information back to a control device, then the control device stops the motor to work, the automation degree is high, the accuracy of the bending degree is high, the working efficiency is high, in addition, preferably, a second guide rail is arranged between the encoder and a support plate, a third slider is arranged on the second guide rail, the third slider is fixedly connected with the encoder, and the encoder is in sliding connection with the support plate through the second guide rail and the third slider, realize encoder and support plate sliding connection through disposing the guide rail, simple structure, stability is better, and the flexibility is good. The first clamp and the second clamp are respectively provided with a first turntable bearing and a second turntable bearing at the back, the first clamp and the second clamp are respectively in bolted connection with the first turntable bearing and the second turntable bearing, the first turntable bearing and the second turntable bearing are respectively in bolted connection with the first slider and the second slider, the first clamp and the second clamp are good in rotating structural stability, simple in structure and convenient to use. The support plate is provided with a first reset device matched with the first clamp and a second reset device matched with the second clamp, and the clamps are reset by the aid of the reset devices, so that the operation is more convenient. First resetting means and second resetting means all include volute spiral spring and sleeve, the sleeve middle part is provided with the spliced pole, volute spiral spring end curls has the portion of inserting that is the L type, be provided with on the spliced pole with the portion of inserting mating spacing groove, the portion of inserting inserts the spacing inslot, volute spiral spring passes through spacing groove and portion of inserting and sleeve fixed connection, the sleeve setting is worn out to the spliced pole, be provided with on the sleeve and wear out the hole, be provided with on the volute spiral spring and wear out hole mating torsion arm, the torsion arm is through wearing out outside the hole wears out the sleeve, the torsion arm parallels with first guide rail when not receiving exogenic action, and resetting means simple structure need not be power consumptive simultaneously, and it is convenient to change the accessory. Spliced pole and sleeve formula setting as an organic whole, the sleeve setting is worn out to the spliced pole end, the spliced pole end is provided with the external screw thread, be provided with the screw that pairs with the external screw thread on the support plate, the spliced pole twists in the screw, be provided with connecting portion on the sleeve, connecting portion and support plate bolted connection, overall structure is stable, and resetting means dismouting convenience is good, can the person of facilitating the use change. The bending cam is sleeved with a cam expansion sleeve, the cam expansion sleeve is provided with an embedding hole matched with the bending cam, a tenon is arranged on the hole wall of the embedding hole, a mortise matched with the tenon is arranged on the bending cam, the bending cam and the cam expansion sleeve are detachably connected through the tenon and the mortise, and the cam expansion sleeve can be installed according to actual conditions by being provided with the cam expansion sleeve, so that the bending degree is improved, the convenience is good, and the bending amplitude can be adjusted. The bending cam is provided with a screw hole, a through hole is formed in the cam expansion sleeve, a butterfly bolt is inserted into the through hole, the tail end of the butterfly bolt is screwed into the screw hole, the cam expansion sleeve is good in stability during working, and meanwhile, the cam expansion sleeve is convenient to disassemble and assemble.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention.

Claims (1)

1. A high-speed cam bender which characterized in that: the device comprises a support plate, a speed reducing motor and a control device, wherein a first through hole and a first guide groove are formed in the support plate, an output shaft of the speed reducing motor penetrates through the first through hole and is provided with a bending cam, an output shaft of the speed reducing motor is detachably connected with the bending cam, the speed reducing motor is fixedly connected with the back surface of the support plate, a first guide rail is arranged on the support plate, a second guide groove corresponding to the first guide groove is formed in the first guide rail, a first slider and a second slider are arranged on the first guide rail, a second through hole is formed in the first slider, an encoder is arranged on the back surface of the support plate, an input shaft of the encoder sequentially penetrates through the first guide groove, the second guide groove and the second through hole, a first clamp and a second clamp are respectively arranged on the first slider and the second slider, and are respectively and rotatably connected with the first slider and the second slider, the input shaft of the encoder is fixedly connected with a first clamp, the encoder is connected with a support plate in a sliding manner, the encoder and the reduction motor are both electrically connected with a control device, a second guide rail is arranged between the encoder and the support plate, a third slider is arranged on the second guide rail and fixedly connected with the encoder, the encoder is connected with the support plate in a sliding manner through the second guide rail and the third slider, a first turntable bearing and a second turntable bearing are respectively arranged on the back surfaces of the first clamp and the second clamp, the first clamp and the second clamp are respectively connected with the first turntable bearing and the second turntable bearing in a bolt manner, the first turntable bearing and the second turntable bearing are respectively connected with the first slider and the second slider in a bolt manner, a first reset device matched with the first clamp and a second reset device matched with the second clamp are arranged on the support plate, the first reset device and the second reset device both comprise scroll springs and sleeves, connecting columns are arranged in the middle of the sleeves, L-shaped inserting portions are wound at the tail ends of the scroll springs, limiting grooves matched with the inserting portions are formed in the connecting columns, the inserting portions are inserted into the limiting grooves, the scroll springs are fixedly connected with the sleeves through the limiting grooves and the inserting portions, the connecting columns penetrate out of the sleeves, penetrating holes are formed in the sleeves, torsion arms matched with the penetrating holes are arranged on the scroll springs and penetrate out of the sleeves through the penetrating holes, the torsion arms are parallel to the first guide rail when not acted by external force, the connecting columns and the sleeves are integrally arranged, the tail ends of the connecting columns penetrate out of the sleeves, external threads are arranged at the tail ends of the connecting columns, and screw holes matched with the external threads are formed in the support plate, the connecting column is screwed into the screw hole, the sleeve is provided with a connecting part, the connecting part is connected with the support plate through a bolt, the bending cam is sleeved with a cam expansion sleeve, the cam expansion sleeve is provided with an embedding hole matched with the bending cam, a tenon is arranged on the hole wall of the embedding hole, a mortise matched with the tenon is arranged on the bending cam, the bending cam is detachably connected with the cam expansion sleeve through the tenon and the mortise, the bending cam is provided with a screw hole, a through hole is arranged on the cam expansion sleeve, a butterfly bolt is inserted into the through hole, and the tail end of the butterfly bolt is screwed into the screw hole.
CN201911263378.XA 2019-12-11 2019-12-11 High-speed cam bending machine Expired - Fee Related CN111036743B (en)

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CN208613428U (en) * 2018-07-05 2019-03-19 安吉腾佳艺家居有限公司 The bar folder that steel pipe on a kind of pair of chair is bent
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