CN109647950B - Bending device for U-shaped bolt - Google Patents

Bending device for U-shaped bolt Download PDF

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Publication number
CN109647950B
CN109647950B CN201910094435.XA CN201910094435A CN109647950B CN 109647950 B CN109647950 B CN 109647950B CN 201910094435 A CN201910094435 A CN 201910094435A CN 109647950 B CN109647950 B CN 109647950B
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China
Prior art keywords
positioning
adjusting
turntable
base
rotating shaft
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CN201910094435.XA
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CN109647950A (en
Inventor
姜利宏
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Haiyan Hongda Hardware Manufacturing Co ltd
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Haiyan Hongda Hardware Manufacturing Co ltd
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Publication of CN109647950A publication Critical patent/CN109647950A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/16Auxiliary equipment, e.g. for heating or cooling of bends
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00Feeding, 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
    • B21D43/003Positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00Making other particular articles
    • B21D53/24Making other particular articles nuts or like thread-engaging members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes

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

Abstract

The invention discloses a bending device for a U-shaped bolt, which comprises a base, a rotary bending mechanism, a positioning mechanism and a limiting mechanism, wherein the rotary bending mechanism is arranged on the base; the rotary bending mechanism comprises a motor, a rotating shaft, a supporting ring and a pressing wheel; the support ring is fixed on the base; the rotating shaft is arranged in a central hole of the support ring; the pinch roller is arranged on the rotating shaft; the motor is connected with the rotating shaft; the positioning mechanism comprises a sliding seat, a sliding plate, a positioning adjusting piece and a positioning plate; the sliding seat is arranged on the base; the sliding plate is in sliding fit with the sliding seat; the positioning adjusting piece is connected between the sliding plate and the sliding seat; the positioning plate is fixed on the sliding plate; the limiting mechanism comprises a turntable, a turntable positioning assembly, an adjusting rod and a limiting switch; the turntable is arranged on the base and is provided with a connecting column; the turntable positioning assembly is connected between the turntable and the base; the adjusting rod is connected with the connecting column; the limit switch is arranged on the adjusting rod and is positioned on the rotating track of the connecting piece. The invention can bend bolts with different lengths and can prevent the bolts from moving axially during bending.

Description

Bending device for U-shaped bolt
Technical Field
The invention relates to a mechanical device, in particular to a bending device for a U-shaped bolt.
Background
The U-shaped bolt has wide application, and is mainly applied to building installation, mechanical fitting connection, vehicles, ships, bridges, tunnels, railways and the like.
At present, the manufacturing method of the U-shaped bolt generally comprises the following steps: blanking, thread rolling, punching and bending and shaping. In the prior art, the bending device for the U-shaped bolt is simple in structure, can only be used for bending the bolt with a single length, and when the bolt is bent, the bolt is easy to slip, so that the bending position is inaccurate.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the bending device for the U-shaped bolt, which can bend bolts with different lengths and can effectively prevent the bolt from axially moving during bending.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a bending device for U type bolt, characterized by: comprises a base, a rotary bending mechanism, a positioning mechanism and a limiting mechanism;
the rotary bending mechanism comprises a motor, a rotating shaft, a supporting ring, a connecting piece and a pressing wheel; the support ring is fixed on the base; the rotating shaft is arranged in a central hole of the support ring; the pressing wheel is arranged on the rotating shaft through a connecting piece and rotates along with the rotating shaft, and the pressing wheel is positioned on the side edge of the supporting ring; the motor is arranged on the base and connected with the rotating shaft to drive the pressing wheel to rotate around the circumferential side wall of the supporting ring;
the positioning mechanism comprises a sliding seat, a sliding plate, a positioning adjusting piece and a positioning plate; the sliding seat is arranged on the base and is positioned on the side edge of the supporting ring; the sliding plate is in sliding fit with the sliding seat; the positioning adjusting piece is connected to the sliding plate and the sliding seat at the same time and used for adjusting the sliding plate to move relative to the sliding seat; the positioning plate is fixed on the sliding plate and is provided with an axial positioning groove;
the limiting mechanism comprises a turntable, a turntable positioning assembly, an adjusting rod and a limiting switch; the turntable is arranged on the base and is provided with a connecting column; the turntable positioning assembly is connected between the turntable and the base at the same time and used for positioning the turntable; the adjusting rod is connected with the connecting column and can move relative to the connecting column; the limit switch is arranged on the adjusting rod and is positioned on the rotating track of the connecting piece.
Preferably, a connecting through hole for assembling the connecting piece is formed in the side wall of the rotating shaft, an adjusting hole is formed in the end wall of the rotating shaft, the adjusting hole is communicated with the connecting through hole, and an adjusting bolt is arranged in the adjusting hole.
Preferably, a protection hoop is arranged on the side wall of the support ring.
Preferably, a thread groove is arranged in the axial positioning groove.
Preferably, the positioning adjusting piece is an adjusting screw rod, the adjusting screw rod is in threaded fit with a screw hole in the sliding plate, and the end part of the adjusting screw rod is in axial limiting connection with the sliding seat.
Preferably, the adjusting rod is in threaded fit connection with a threaded hole in the connecting column.
Preferably, the turntable positioning assembly comprises a fixing bolt and a kidney-shaped hole formed in the turntable, and the fixing bolt penetrates through the kidney-shaped hole and is connected with the base
The invention has the advantages that: the bolt bending machine can bend bolts with different lengths, so that the use flexibility of the bolt bending machine is obviously improved, the bolts can be effectively prevented from axially moving during bending, and the bolt bending quality of the bolt bending machine is obviously improved.
Drawings
Fig. 1 is a top view of a bending apparatus for U-bolt provided in this embodiment;
fig. 2 is a schematic view of the rotary bending mechanism provided in this embodiment;
FIG. 3 is a side view of the positioning mechanism provided in the present embodiment;
FIG. 4 is another side view of the positioning mechanism provided in the present embodiment;
FIG. 5 is a side view of the positioning plate according to the present embodiment;
fig. 6 is a schematic view illustrating a bolt to be bent according to the present embodiment;
fig. 7 is a schematic view of the bolt provided in this embodiment after bending is completed.
Detailed Description
The bending apparatus for U-bolt according to the present invention will be further described with reference to fig. 1 to 7.
A bending device for a U-shaped bolt comprises a base 1, a rotary bending mechanism, a positioning mechanism and a limiting mechanism;
the base 1 is a plate body, and a plurality of openings are formed in the base 1 to allow the rotary bending mechanism and the positioning mechanism to be installed.
The rotary bending mechanism comprises a motor, a rotating shaft 3, a supporting ring 2, a connecting piece 4 and a pressing wheel 12; the support ring 2 is fixed on the base 1 through bolts, and a central hole of the support ring 2 corresponds to an opening on the base; the rotating shaft 3 is arranged in a central hole of the support ring 2 through a bearing; the pressing wheel 12 is arranged on the rotating shaft 3 through a connecting piece 4 and rotates along with the rotating shaft 3, and the pressing wheel 12 is positioned on the side edge of the supporting ring 2; the motor is arranged on the lower surface of the base 1, an output shaft of the motor penetrates through the opening of the bottom plate to be connected with the rotating shaft 3, and the pressing wheel 12 is driven to rotate around the circumferential side wall of the supporting ring 2;
the positioning mechanism comprises a sliding seat 9, a sliding plate 10, a positioning adjusting piece 13 and a positioning plate 11; the sliding seat 9 is arranged on the base 1 through a fixing bolt and is positioned on the side edge of the support ring 2, and a sliding groove is formed in the sliding seat 9; the sliding plate 10 is in sliding fit in a sliding groove of the sliding seat 9; the adjusting positioning piece 13 is connected to the sliding plate 10 and the sliding seat 9 at the same time, and adjusts the sliding plate 10 to move relative to the sliding seat 9; the positioning plate 11 is fixedly installed on the sliding plate 10 through bolts, and an axial positioning groove 111 is formed in the positioning plate 11;
the limiting mechanism comprises a turntable 5, a turntable positioning assembly, an adjusting rod 7 and a limiting switch 8; the turntable 5 is arranged on the base 1, the turntable 5 is arranged on an opening of the base 1 through a bearing, and the turntable 5 is provided with a connecting column 6; the turntable positioning assembly is simultaneously connected between the turntable 5 and the base 1 to position the turntable 5; the adjusting rod 7 is connected with the connecting column 6 and can move relative to the connecting column 6; the limit switch 8 is installed on the adjusting rod 7 and is located on the rotating track of the connecting piece 4, the limit switch 8 is electrically connected with the motor, and the limit switch 8 is a travel switch.
During operation, the end part of the bolt 15 to be bent is arranged in the axial positioning groove 111 of the positioning plate 11, the middle part of the bolt to be bent is abutted against the circumferential side wall of the support ring 2, and the pressing wheel 12 is abutted against one side back to the positioning plate 11; starting a motor, wherein the motor drives a pressing wheel 12 to rotate around the side wall of the support ring 2, and the pressing wheel 12 presses the bolt to be bent to be attached to the circumferential side wall of the support ring 2 and generates corresponding deformation, namely bending; when the motor is bent to a certain size, the connecting piece 4 is contacted with the limit switch 8, and the limit switch 8 is triggered and closed, so that the motor stops running; namely the bending of the bolt is finished; the operation process is simple, the device is simple in structure and low in cost. On the other hand, the sliding plate 10 can drive the fixing plate to move relatively, so that the distance between the axial positioning groove and the support ring 2 can be adjusted to adapt to bending of bolts with different lengths; the rotary table 5 can drive the limit switch 8 to rotate, and the adjusting rod 7 can drive the limit switch 8 to linearly move, so that the rotary table 5 can drive the limit switch 8 to move on a rotating track of the pressing wheel 12 or the connecting piece 4 by matching with the adjusting rod 7, the U-shaped openings with different sizes are bent, and the use flexibility and the production universality of the device are remarkably improved; the axial positioning groove has an axial limiting function, so that the bolt can be prevented from generating axial displacement in the bending process, and the bending quality of the bolt is improved remarkably.
The embodiment is further configured as follows: the connecting piece 4 comprises a cross bar 42, a connecting sleeve 43 and a contact plate 41, wherein the connecting sleeve 43 is formed on the end wall of the cross bar 42, a rotating shaft 121 of the pressing wheel 12 is arranged in the connecting sleeve 43 to realize the connection of the pressing wheel 12 on the connecting piece 4, and the contact plate 41 is formed on the cross bar 42 or the connecting sleeve 43 and is used for contacting the limit switch 8; the side wall of the rotating shaft 3 is provided with a connecting through hole for assembling the cross rod 42, the end wall of the upper end of the rotating shaft 3 is provided with an adjusting hole, the adjusting hole is communicated with the connecting through hole, and an adjusting bolt 16 is arranged in the adjusting hole. When the adjusting bolt 16 is in a screwed state, the lower end of the adjusting bolt is pressed against the cross rod 42, and the cross rod 42 is fixed; after the adjusting bolt is loosened, the cross rod 42 can axially move in the connecting through hole to adjust the distance between the pressing wheel 12 and the side wall of the support ring 2, so as to adapt to bending forming of bolts with different sizes, and further improve the flexibility of use and the production universality of the invention.
The embodiment is further configured as follows: be provided with protection staple bolt 14 on the lateral wall of support ring 2, this protection staple bolt 14 can be protected the circumference lateral wall of support ring 2, has avoided the circumference lateral wall of support ring 2 to be worn and torn the problem, because the cost of protection staple bolt is low, easy dismounting, consequently use one end time after, only need with the protection staple bolt change can, made things convenient for the maintenance of this device after using.
The embodiment is further configured as follows: a thread groove is formed in the axial positioning groove 111, when the part of the bolt to be bent with the thread groove is arranged in the axial positioning groove, the thread groove of the bolt to be bent can be matched in the thread groove of the axial positioning groove, so that the bolt to be bent has an effective axial positioning effect, the structure is simple, and the thread groove of the bolt cannot be damaged; on the other hand, when the size deviation between the thread groove on the bolt to be bent and the thread groove in the axial positioning groove is large, the positioning plate 11 can be replaced, and the operation is convenient.
The embodiment is further configured as follows: the positioning adjusting part 13 is an adjusting screw 13, the adjusting screw 13 is in threaded fit with a screw hole on the sliding plate 10, the end of the adjusting screw 13 is in axial limit connection with the sliding seat 9, namely, a connecting part 101 protruding out of the lower surface of the sliding plate 10 is arranged on one side of the sliding plate 10 away from the support ring 2, a screw hole is arranged on the connecting part 101, an axial positioning groove 91 is arranged on the side wall of the sliding seat 9, and an axial positioning block 131 is arranged on the end of the adjusting screw 13, so that the rod body of the adjusting screw 13 is in threaded fit with the screw hole, the axial positioning block 131 is matched in the axial positioning groove 91, namely, after the adjusting screw 13 is rotated, the sliding plate 10 can be driven to move relative to the sliding.
The embodiment is further configured as follows: the adjusting rod 7 is in threaded fit connection with a threaded hole in the connecting column 6, and after the adjusting rod 7 is rotated, axial movement of the adjusting rod 7 can be achieved to adjust the position of the limit switch 8.
The embodiment is further configured as follows: the turntable positioning assembly comprises a fixing bolt 17 and a kidney-shaped hole 18 formed in the turntable 5, and the fixing bolt 17 penetrates through the kidney-shaped hole 18 to be connected with the base 1. After the fixing bolt is loosened, the rotary disc 5 can freely rotate within the extension range of the waist-shaped hole so as to adjust the position of the limit switch 8; after the fixing bolt is screwed down, the rotary disc 5 is fixed, namely the limit switch 8 is fixed.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (6)

1. The utility model provides a bending device for U type bolt, characterized by: comprises a base, a rotary bending mechanism, a positioning mechanism and a limiting mechanism;
the rotary bending mechanism comprises a motor, a rotating shaft, a supporting ring, a connecting piece and a pressing wheel; the support ring is fixed on the base; the rotating shaft is arranged in a central hole of the support ring; the pressing wheel is arranged on the rotating shaft through a connecting piece and rotates along with the rotating shaft, and the pressing wheel is positioned on the side edge of the supporting ring; the motor is arranged on the base and connected with the rotating shaft to drive the pressing wheel to rotate around the circumferential side wall of the supporting ring;
the positioning mechanism comprises a sliding seat, a sliding plate, a positioning adjusting piece and a positioning plate; the sliding seat is arranged on the base and is positioned on the side edge of the supporting ring; the sliding plate is in sliding fit with the sliding seat; the positioning adjusting piece is connected to the sliding plate and the sliding seat at the same time and used for adjusting the sliding plate to move relative to the sliding seat; the positioning plate is fixed on the sliding plate and is provided with an axial positioning groove, and a thread groove is formed in the axial positioning groove;
the limiting mechanism comprises a turntable, a turntable positioning assembly, an adjusting rod and a limiting switch; the turntable is arranged on the base and is provided with a connecting column; the turntable positioning assembly is connected between the turntable and the base at the same time and used for positioning the turntable; the adjusting rod is connected with the connecting column and can move relative to the connecting column; the limit switch is arranged on the adjusting rod and is positioned on the rotating track of the connecting piece.
2. A bending apparatus for U-bolt according to claim 1, wherein: the side wall of the rotating shaft is provided with a connecting through hole for assembling the connecting piece, the end wall of the rotating shaft is provided with an adjusting hole, the adjusting hole is communicated with the connecting through hole, and an adjusting bolt is arranged in the adjusting hole.
3. A bending apparatus for U-bolt according to claim 1, wherein: and a protection hoop is arranged on the side wall of the support ring.
4. A bending apparatus for U-bolt according to claim 1, wherein: the positioning adjusting piece is an adjusting screw rod, the adjusting screw rod is in threaded fit with a screw hole in the sliding plate, and the end part of the adjusting screw rod is in axial limiting connection with the sliding seat.
5. A bending apparatus for U-bolt according to claim 1, wherein: the adjusting rod is in threaded fit connection with the threaded hole in the connecting column.
6. A bending apparatus for U-bolt according to claim 1, wherein: the turntable positioning assembly comprises a fixing bolt and a waist-shaped hole formed in the turntable, and the fixing bolt penetrates through the waist-shaped hole and is connected with the base.
CN201910094435.XA 2019-01-31 2019-01-31 Bending device for U-shaped bolt Active CN109647950B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910094435.XA CN109647950B (en) 2019-01-31 2019-01-31 Bending device for U-shaped bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910094435.XA CN109647950B (en) 2019-01-31 2019-01-31 Bending device for U-shaped bolt

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CN109647950A CN109647950A (en) 2019-04-19
CN109647950B true CN109647950B (en) 2020-08-07

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114798848B (en) * 2022-03-10 2024-03-08 漳州市正盛家具有限公司 Precise bending and forming die mechanism and method for steel pipe furniture

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102145443A (en) * 2010-02-05 2011-08-10 上海新申金属制品有限公司 Method for processing U-shaped bolts
CN103192004A (en) * 2012-01-10 2013-07-10 江苏舒恒管夹制造有限公司 U-shaped bolt bending device
CN203526276U (en) * 2013-09-04 2014-04-09 重庆通用工业(集团)有限责任公司 Forming tool for water-cooling bearing box bend
CN204657196U (en) * 2015-03-10 2015-09-23 天津杰锋钢管工贸有限公司 Steel pipe bending apparatus
CN205763124U (en) * 2016-06-30 2016-12-07 浙江上建防护科技有限公司 A kind of steel pipe bender
CN206661998U (en) * 2017-04-01 2017-11-24 苏州市桑林汽车配件有限公司 A kind of automobile handware bending tool
CN207308816U (en) * 2017-10-25 2018-05-04 安徽省新铁铁路科技有限公司 A kind of U bolt apparatus for bending
CN208098984U (en) * 2018-03-29 2018-11-16 厦门众欣金属制品有限公司 bending machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102145443A (en) * 2010-02-05 2011-08-10 上海新申金属制品有限公司 Method for processing U-shaped bolts
CN103192004A (en) * 2012-01-10 2013-07-10 江苏舒恒管夹制造有限公司 U-shaped bolt bending device
CN203526276U (en) * 2013-09-04 2014-04-09 重庆通用工业(集团)有限责任公司 Forming tool for water-cooling bearing box bend
CN204657196U (en) * 2015-03-10 2015-09-23 天津杰锋钢管工贸有限公司 Steel pipe bending apparatus
CN205763124U (en) * 2016-06-30 2016-12-07 浙江上建防护科技有限公司 A kind of steel pipe bender
CN206661998U (en) * 2017-04-01 2017-11-24 苏州市桑林汽车配件有限公司 A kind of automobile handware bending tool
CN207308816U (en) * 2017-10-25 2018-05-04 安徽省新铁铁路科技有限公司 A kind of U bolt apparatus for bending
CN208098984U (en) * 2018-03-29 2018-11-16 厦门众欣金属制品有限公司 bending machine

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