CN213701317U - High-precision composite forming processing equipment for clamp - Google Patents

High-precision composite forming processing equipment for clamp Download PDF

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Publication number
CN213701317U
CN213701317U CN202022678290.9U CN202022678290U CN213701317U CN 213701317 U CN213701317 U CN 213701317U CN 202022678290 U CN202022678290 U CN 202022678290U CN 213701317 U CN213701317 U CN 213701317U
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China
Prior art keywords
groove
die holder
clamp
arc
base
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CN202022678290.9U
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Chinese (zh)
Inventor
张用
贲鹏鹏
陈景峰
许大伟
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Guizhou Hangfei Precision Manufacturing Co ltd
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Guizhou Hangfei Precision Manufacturing Co ltd
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Abstract

The utility model relates to the technical field of mechanical equipment, concretely relates to high accuracy composite forming processing of clamp is equipped, including preflex device and stamping device, the preflex device includes mould and preflex lower mould in the preflex, stamping device includes base and shaping pressure head, the upper surface of base is equipped with the boss that corresponds with the preflex lower mould, the level sets up logical groove in the base, still vertical setting will lead to the fluting of groove and the upper portion space intercommunication of base in the base, lead to the fluting of inslot internal rotation connection first die holder and second die holder, the terminal surface that first die holder and second die holder are close to each other is equipped with the outer wall complex semi-arc face with the arc portion of clamp, the shaping pressure head is "L" type, the horizontal part of shaping pressure head includes the level setting with the inner wall complex cylinder of the arc portion of clamp, the perpendicular straight portion of shaping pressure head includes the connecting rod with the one end fixed connection. This equipment has and makes clamp shaping precision high, and the opening of clamp is straight regular, and product quality is stable, and production efficiency is high.

Description

High-precision composite forming processing equipment for clamp
Technical Field
The utility model relates to a mechanical equipment technical field, concretely relates to high accuracy composite forming processing of clamp is equipped.
Background
The clamp is used for connecting the pipe fitting usually, a play connecting device of tight hoop effect between valve and pipeline accessory, the clamp is usually including the arc portion of parcel pipe fitting and the opening that plays the locking effect, the opening of clamp is two straight boards that are equipped with gapped parallel to each other, the technological method that current clamp processing is commonly used utilizes there is the guide post mould to carry out manual bending, add man-hour with this type of mould that the clamp surface produces great scratch and strain easily, and cause the opening of clamp and the symmetry line of arc portion not collineation and the easy bending deformation of opening of clamp easily, it is all different to lead to every product after the manual work, there is great dimensional error, be not conform to the technological requirement, product quality is unstable, the product percent of pass is low, need the maintenance of relapse, waste time and energy, low in production efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high accuracy composite forming processing of clamp is equipped to solve among the prior art the problem that product quality that the opening of the opening that causes clamp surface scratch, clamp and the symmetry line of arc portion are not collinear and the opening of clamp is easy bending deformation to cause is unstable, the product percent of pass is low, production efficiency is low easily caused by hand. In order to achieve the above purpose, the utility model provides a technical scheme as follows:
a high-precision composite forming processing device for a hoop comprises a pre-bending device and a stamping device, wherein the pre-bending device comprises a pre-bending upper die and a pre-bending lower die, the pre-bending lower die is provided with an inverted trapezoidal groove, and the pre-bending upper die is provided with a protrusion matched with the groove;
the stamping device comprises a base and a forming pressure head, wherein the upper surface of the base is provided with a trapezoidal boss corresponding to the pre-bending lower die, the base is internally provided with a through groove horizontally, the base is internally provided with a groove vertically communicated with the through groove and the upper space of the base, the groove is communicated with the base along the axis direction of the through groove, the through groove is rotationally connected with a first die holder and a second die holder, the rotating axis of the first die holder and the rotating axis of the second die holder are parallel to the axis of the through groove, the rotating axis of the first die holder and the rotating axis of the second die holder are symmetrically arranged at two sides of the axis of the through groove, the end surfaces of the first die holder and the second die holder which are close to each other are provided with semi-arc surfaces matched with the outer wall of the arc part of a hoop, and when the first die holder and the second die holder synchronously rotate around the rotating axis of the first die holder and the, the semi-arc surface on the first die holder and the semi-arc surface on the second die holder surround to form an arc cavity matched with the outer wall of the arc part of the hoop;
the shaping pressure head is "L" type, the horizontal part of shaping pressure head include the level set up with the inner wall complex cylinder of the arc portion of clamp, the vertical part of shaping pressure head include with the one end fixed connection's of cylinder connecting rod.
Further, the inner wall that leads to the groove is equipped with and link up the first circular arc groove and the second circular arc groove of base, first circular arc groove with the coaxial setting of the axis of rotation of first die holder, the second circular arc groove with the coaxial setting of the axis of rotation of second die holder, set up on the first die holder with first circular arc groove complex first rotation post, set up on the second die holder with second circular arc groove complex second rotates the post.
Further, a spring is horizontally arranged in the through groove, one end of the spring is connected with the lower portion of the first die holder, the other end of the spring is connected with the lower portion of the second die holder, and the position height of the axis of the spring is larger than that of the axis of the first arc groove and that of the second arc groove.
Further, the arc angles of the first arc chute and the second arc chute are both larger than 180 degrees. When the arc angle is larger than 180 degrees, the arc chute can restrain the movement of the rotating column matched with the arc chute in the radial direction of the rotating column, and the first die holder or the second die holder is prevented from being separated from the through groove.
Furthermore, a stop block matched with the opening part of the clamp is arranged at the upper part of the cylinder. Prevent to drive the in-process clamp rotation that the clamp upwards moved at the punching press end shaping pressure head and cause the grooved inner wall of end fish tail of clamp, perhaps cause the clamp rotation to cause the clamp card to be damaged by the extrusion of the shaping pressure head of continuation rebound in fluting department.
Furthermore, a positioning groove for placing a metal sheet to be pre-bent is arranged on the upper surface of the pre-bending lower die. The metal strip to be pre-bent is placed in the positioning groove and then pre-bent, so that the symmetry of the pre-bent metal strip is improved, and the forming quality of the finished product hoop is improved.
The utility model relates to a principle and beneficial effect that high accuracy composite forming processing of clamp was equipped lie in:
fixing a pre-bending upper die on a punching head of a punching machine, placing a straight metal strip to be pre-bent on a positioning groove on a pre-bending lower die, operating the punching machine to pre-bend the metal strip, wherein the pre-bent metal strip is in an inverted trapezoid shape comprising a horizontal straight part at the middle part and two inclined ends;
fixing a forming pressure head on a punching head of another punching machine, placing a base on a platform of the punching machine, enabling a vertical groove on the base to align with the forming pressure head, separating a first die holder and a second die holder from each other under the elastic force of a spring, reversely buckling a pre-bent metal strip on a trapezoidal boss on the base, operating the punching machine to enable the punching head of the punching machine to drive the forming pressure head to move downwards, enabling the forming pressure head moving downwards to press the pre-bent metal strip into a position between the first die holder and the second die holder in a through groove through the groove, continuously moving downwards at the punching head to force the first die holder and the second die holder to rotate around a rotating column of the punching machine respectively to extrude the springs to be close to each other, enabling a straight part of the pre-bent metal strip to be extruded to wrap a cylinder of the forming pressure head to form an arc part of a hoop by the first die holder and the second die holder which are close to each other, and enabling two inclined ends of the pre, finally, a finished hoop product is obtained.
And after the punching is finished, the punching machine is operated to enable the forming pressure head to drive the finished product hoop to move upwards to leave the through groove, the first die holder and the second die holder are separated under the elastic force of the spring, and the forming pressure head is taken out from the through groove and then the hoop coated on the cylinder is taken out in the axial direction of the cylinder of the forming pressure head in a sliding mode.
Compare with adopting manual bending, the high accuracy composite forming processing of a clamp through this scheme equips the clamp shaping precision after the processing high, and the opening of clamp is straight regular, and size error is little, and product quality is stable, and production efficiency is high.
Drawings
Fig. 1 is a schematic structural view of the forming ram of the present invention when pressed down.
Fig. 2 is a schematic structural view of the forming ram of the present invention when not pressed down.
Fig. 3 is a schematic structural view of the clip.
Fig. 4 is an enlarged view of a portion a of the drawing.
Fig. 5 is a schematic structural view of the pre-bending device.
Fig. 6 is a schematic view of a pre-bent metal strip.
Figure 7 is a front view of the forming ram.
Figure 8 is a left side view of the forming ram.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the pre-bending die comprises a base 10, a trapezoidal boss 101, a through groove 102, a slot 103, a first die holder 104, a first semi-arc surface 1041, a first arc groove 1042, a first rotating column 1043, a second die holder 105, a second semi-arc surface 1051, a second arc groove 1052, a second rotating column 1053, a spring 106, a cylinder 201, a connecting rod 202, a stopper 203, an opening 301, an arc part 302, a pre-bent rear metal strip 40, a pre-bending device 50, a pre-bent upper die 501, a protrusion 5011, a pre-bent lower die 502, a groove 5021 and a positioning groove 5022.
The utility model provides a high accuracy composite forming processing of clamp is equipped for processing is as the shown clamp of figure 3, as shown in figure 3, the clamp is formed by the processing of metal strip, and the clamp is including the arc portion 302 that is used for wrapping up the pipe fitting and the opening 301 that plays locking effect, and the opening 301 of clamp is two flat straight plates that are equipped with gapped parallel to each other.
The high-precision composite forming processing equipment for the clamp comprises a pre-bending device 50 and a stamping device shown in fig. 5, wherein as shown in fig. 5, the pre-bending device 50 comprises a pre-bending upper die 501 and a pre-bending lower die 502, the pre-bending lower die 502 is provided with an inverted trapezoidal groove 5021, the pre-bending upper die 501 is provided with a protrusion 5011 matched with the groove 5021, and in order to improve the symmetry degree of a pre-bent metal strip 40 and further improve the forming quality of a finished clamp, the upper surface of the pre-bending lower die 502 is provided with a positioning groove 5022 for placing a metal sheet to be pre-bent;
the punching device comprises a base 10 and a forming press head, as shown in fig. 1 and fig. 2, a trapezoidal boss 101 corresponding to the pre-bending lower die is arranged on the upper surface of the base 10, a through groove 102 is horizontally arranged in the base 10, a slot 103 for communicating the through groove 102 with the upper space of the base 10 is vertically arranged in the base 10, the slot 103 penetrates through the base 10 along the axis direction of the through groove 102, a first arc groove 1042 and a second arc groove 1052 which penetrate through the base 10 are arranged in the through groove 102 in parallel with the axis of the through groove 102, the axes of the first arc groove 1042 and the second arc groove 1052 are symmetrically arranged on two sides of the axis of the through groove 102, a first die holder 104 and a second die holder 105 are arranged in the through groove 102, a first rotating column 1043 matched with the first arc groove 1042 is arranged on the first die holder 104, so that the first die holder 104 can rotate a certain angle around the axis of the first arc groove 1042, a second rotating column 1053 matched with the second arc groove 1052 is arranged on the second die holder 105, so that the second die holder 105, the end surfaces of the first die holder 104 and the second die holder 105, which are close to each other, are respectively provided with a first half arc surface 1041 and a second half arc surface 1051 which are matched with the outer wall of the arc portion 302 of the clamp, when the first die holder 104 and the second die holder 105 synchronously rotate around the rotation axis of the first die holder 104 and the second die holder 105 to be contacted with each other, the first half arc surface 1041 and the second half arc surface 1051 surround to form an arc cavity matched with the outer wall of the arc portion 302 of the clamp, in order to prevent the first die holder 104 or the second die holder 105 from being separated from the through groove 102, the arc angles of the first arc chute and the second arc chute are both larger than 180 degrees.
A spring 106 is horizontally arranged in the through groove 102, one end of the spring 106 is connected with the lower part of the first die holder 104, the other end of the spring 106 is connected with the lower part of the second die holder 105, and the position height of the axis of the spring 106 is greater than the position height of the axes of the first arc groove 1042 and the second arc groove 1052.
As shown in fig. 7 and 8, the forming pressure head is of an L shape, the horizontal portion of the forming pressure head comprises a cylinder 201 which is horizontally arranged and matched with the inner wall of an arc portion 302 of the hoop, the vertical portion of the forming pressure head comprises a connecting rod 202 fixedly connected with one end of the cylinder 201, as shown in fig. 4, in order to prevent the end of the hoop from scratching the inner wall of the slot 103 due to the fact that the hoop rotates when the forming pressure head drives the hoop to move upwards after stamping is finished, or the hoop rotates to cause the hoop to be clamped in the slot 103 and to be pressed and damaged by the forming pressure head which continuously moves upwards, and the stop block 203 matched with the opening portion 301 of the hoop is arranged on the upper portion of the cylinder 201 to.
The utility model relates to a high accuracy composite forming processing of clamp equips working process and beneficial effect are:
mould 501 is fixed on the punching press head of punching machine in will bending in advance, will treat that the straight metal strip of bending in advance places in the constant head tank 5022 on the lower mould 502 of bending in advance, the operation punching machine carries out the bending in advance to the metal strip, as shown in fig. 6, metal strip 40 is the inverted trapezoid shape that contains the straight portion of mid portion horizontally and both ends slope behind the bending in advance, the angle of the slope in metal strip 40 both ends equals the tangent line of the theoretical point of crossing of clamp opening 301 and clamp circular arc portion 302 and the contained angle of clamp opening 301 behind the bending in advance.
Fixing a connecting rod 202 of a forming ram on a punching head of another punching machine, placing a base 10 on a platform of the punching machine, aligning a vertical slot 103 on the base 10 with the forming ram, separating a first die holder 104 and a second die holder 105 from each other under the elastic force of a spring 106, as shown in fig. 2, reversely buckling a pre-bent metal strip 40 on a trapezoidal boss 101 on the base 10, operating the punching machine to enable the punching head of the punching machine to drive the forming ram to move downwards, as shown in fig. 1, pressing the pre-bent metal strip 40 into the space between the first die holder 104 and the second die holder 105 in the through slot 102 through the slot 103 by a cylinder 201 of the downward-moving forming ram, as shown in fig. 1, continuously moving the punching head downwards to force the first die holder 104 and the second die holder 105 to rotate around a first rotating column 1043 and a second rotating column 1053 to extrude the spring 106 to be close to each other, and extruding the straight part of the pre-bent metal strip 40 to wrap the cylinder 201 of the forming ram to form an arc part 302 in a hoop by the first die holder At this time, the inclined ends of the pre-bent metal strip 40 approach each other to form an opening 301 of the clip, and a finished clip is finally obtained.
And after the punching is finished, the punching machine is operated to enable the forming press head to drive the finished product hoop to move upwards to leave the through groove 102, the stop block 203 on the cylinder 201 prevents the hoop from rotating, the first die holder 104 and the second die holder 105 are separated under the elastic force of the spring 106, and the hoop coated on the cylinder 201 is taken out after the forming press head leaves the through groove 102 and slides in the axis direction of the cylinder 201 of the forming press head.
Compare with adopting manual bending, the high accuracy composite forming processing of a clamp through this scheme equips the clamp shaping precision after the processing high, and the opening of clamp is straight regular, and size error is little, and product quality is stable, and production efficiency is high.
The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (6)

1. A high-precision composite forming processing device for a hoop comprises a pre-bending device and a stamping device, wherein the pre-bending device comprises a pre-bending upper die and a pre-bending lower die, the pre-bending lower die is provided with an inverted trapezoidal groove, and the pre-bending upper die is provided with a protrusion matched with the groove;
the stamping device comprises a base and a forming pressure head, wherein the upper surface of the base is provided with a trapezoidal boss corresponding to the pre-bending lower die, the base is internally and horizontally provided with a through groove, the base is internally and vertically provided with a groove for communicating the through groove with the upper space of the base, the groove penetrates through the base along the axis direction of the through groove, the through groove is rotationally connected with a first die holder and a second die holder, the rotating axis of the first die holder and the rotating axis of the second die holder are both parallel to the axis of the through groove, the rotating axis of the first die holder and the rotating axis of the second die holder are symmetrically arranged at two sides of the axis of the through groove, the end surfaces of the first die holder and the second die holder, which are close to each other, are respectively provided with a first semi-arc surface and a second semi-arc surface which are matched with the outer wall of the arc part of the clamp, and when the first die holder and the second die holder synchronously rotate around, the first semi-arc surface and the second semi-arc surface surround to form an arc cavity matched with the outer wall of the arc part of the hoop;
the shaping pressure head is "L" type, the horizontal part of shaping pressure head include the level set up with the inner wall complex cylinder of the arc portion of clamp, the vertical part of shaping pressure head include with the one end fixed connection's of cylinder connecting rod.
2. The high-precision composite forming and processing equipment for the clamp hoop, as claimed in claim 1, is characterized in that: the inner wall that leads to the groove is equipped with and link up the first circular arc groove and the second circular arc groove of base, first circular arc groove with the coaxial setting of the rotation axis of first die holder, the second circular arc groove with the coaxial setting of the rotation axis of second die holder, set up on the first die holder with first circular arc groove complex first rotation post, set up on the second die holder with second circular arc groove complex second rotates the post.
3. The high-precision composite forming and processing equipment for the clamp hoop, as claimed in claim 2, is characterized in that: the spring is horizontally arranged in the through groove, one end of the spring is connected with the lower portion of the first die holder, the other end of the spring is connected with the lower portion of the second die holder, and the position height of the axis of the spring is larger than that of the axis of the first arc groove and that of the second arc groove.
4. The high-precision composite forming and processing equipment for the clamp hoop, as claimed in claim 3, is characterized in that: the arc angles of the first arc chute and the second arc chute are both larger than 180 degrees.
5. The high-precision composite forming and processing equipment for the clamp hoop, as claimed in claim 4, is characterized in that: and a stop block matched with the opening part of the clamp is arranged at the upper part of the cylinder.
6. The high-precision composite forming and processing equipment for the clamp hoop, as claimed in claim 5, is characterized in that: and a positioning groove for placing a metal sheet to be pre-bent is arranged on the upper surface of the pre-bending lower die.
CN202022678290.9U 2020-11-19 2020-11-19 High-precision composite forming processing equipment for clamp Active CN213701317U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022678290.9U CN213701317U (en) 2020-11-19 2020-11-19 High-precision composite forming processing equipment for clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022678290.9U CN213701317U (en) 2020-11-19 2020-11-19 High-precision composite forming processing equipment for clamp

Publications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114083237A (en) * 2021-11-23 2022-02-25 贵州航天电子科技有限公司 U-shaped capacitor clamp machining method
CN114309191A (en) * 2021-12-31 2022-04-12 安徽力源数控刃模具制造有限公司 New energy automobile circular arc hasp forming mechanism, device and equipment
CN114888196A (en) * 2022-05-23 2022-08-12 成都飞机工业(集团)有限责任公司 Forming device and forming method for waist-shaped hoop
CN117299976A (en) * 2023-11-27 2023-12-29 布莱宁(佛山)精密电子机械零件有限公司 Split type fashioned five metals precision die

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114083237A (en) * 2021-11-23 2022-02-25 贵州航天电子科技有限公司 U-shaped capacitor clamp machining method
CN114309191A (en) * 2021-12-31 2022-04-12 安徽力源数控刃模具制造有限公司 New energy automobile circular arc hasp forming mechanism, device and equipment
CN114888196A (en) * 2022-05-23 2022-08-12 成都飞机工业(集团)有限责任公司 Forming device and forming method for waist-shaped hoop
CN117299976A (en) * 2023-11-27 2023-12-29 布莱宁(佛山)精密电子机械零件有限公司 Split type fashioned five metals precision die
CN117299976B (en) * 2023-11-27 2024-01-26 布莱宁(佛山)精密电子机械零件有限公司 Split type fashioned five metals precision die

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A high-precision composite forming equipment for clamps

Granted publication date: 20210716

Pledgee: Guiyang Branch of Shanghai Pudong Development Bank Co.,Ltd.

Pledgor: GUIZHOU HANGFEI PRECISION MANUFACTURING Co.,Ltd.

Registration number: Y2024520000001