CN109773000B - One-step forming machine and forming method for double-side chamfer of base plate mounting hole - Google Patents
One-step forming machine and forming method for double-side chamfer of base plate mounting hole Download PDFInfo
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- CN109773000B CN109773000B CN201910077552.5A CN201910077552A CN109773000B CN 109773000 B CN109773000 B CN 109773000B CN 201910077552 A CN201910077552 A CN 201910077552A CN 109773000 B CN109773000 B CN 109773000B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004080 punching Methods 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000003825 pressing Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
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Abstract
The invention discloses a double-sided chamfering one-step forming machine and a double-sided chamfering one-step forming method for a mounting hole of a base plate, and belongs to the technical field of base plate processing. The invention has the advantages of simple structure, convenient operation and high production efficiency, the production efficiency can be improved by more than 10 times compared with the turning forming process, the production efficiency is improved by 1 time compared with the stamping single-face forming process, and the coaxiality of chamfers at two ends of the mounting hole is high, the quality is good and the precision is high.
Description
Technical Field
The invention relates to the technical field of base plate processing, in particular to a double-side chamfering one-step forming machine and a double-side chamfering one-step forming method for a base plate mounting hole.
Background
Gaskets (gaskets) are mechanical seals between two objects, and are commonly used to prevent pressure, corrosion, and natural thermal expansion and contraction leakage of tubing between the two objects. As shown in fig. 13, the spacer for railway rails is a rectangular plate-shaped object, and has mounting holes at both ends thereof, and both ends of the mounting holes need to be chamfered. The existing chamfer forming process comprises punch forming and turning forming, and although the turning forming has the advantages of good chamfer forming effect, high quality and high precision, the operation is complex during the turning forming positioning, so that the production efficiency is low, particularly, the double-sided chamfer needs to be positioned twice, and the production efficiency is further low. Although the forming precision and quality of the chamfer are not the same as those of turning forming, the stamping forming is widely applied to the field with low requirement on the chamfer forming precision, such as the chamfer forming of a mounting hole of a cushion plate, due to the advantage of high efficiency. The existing chamfer punch forming equipment can only carry out chamfer forming operation on one side of the base plate, so that the efficiency is low, and the coaxiality of chamfers formed on two sides is difficult to guarantee.
Disclosure of Invention
In view of this, the invention aims to provide a double-sided chamfering one-step forming machine for a mounting hole of a base plate, so as to solve the technical problem of low chamfering forming production efficiency of the mounting hole of the base plate.
The technical scheme adopted by the invention is as follows:
the design is a two-sided chamfer one shot forming machine of backing plate mounting hole, including the operation panel and set up in operation panel top and up-and-down motion's punching press head, the overhead chamfer that is equipped with and is used for carrying out chamfer shaping operation to the backing plate mounting hole top of being equipped with of punching press is gone up the mould just below the department is equipped with the chamfer lower mould that is used for carrying out chamfer shaping operation to the backing plate mounting hole bottom on the operation panel, still be equipped with the work piece plummer that can rotate in the horizontal plane on the operation panel.
Preferably, the workpiece bearing platform comprises an upright column, a bearing and an upper cover plate, the top end of the upright column is fixedly connected with the inner ring of the bearing, the bottom end of the upright column is fixedly connected with the operating platform, the upper cover plate is fixedly connected with the outer ring of the bearing, and the height of the upper surface of the upper cover plate is not higher than the highest point of the lower chamfer die.
Preferably, the workpiece bearing platform comprises an upright column, a bearing and an upper cover plate, the top end of the upright column is fixedly connected with the outer ring of the bearing, the bottom end of the upright column is fixedly connected with the operating platform, the upper cover plate is fixedly connected with the inner ring of the bearing, and the height of the upper surface of the upper cover plate is not higher than the highest point of the lower chamfering die.
Preferably, the upright column comprises an upper fixing part, an upper upright column, a spring, a lower upright column and a lower fixing part, the top of the upper fixing part is fixedly connected with the bearing, the bottom of the upper fixing part is fixedly connected with the upper upright column, the bottom of the lower fixing part is fixedly connected with the operating platform, and the top of the lower fixing part is fixedly connected with the lower upright column; the inside cavity of lower stand is in order to form the chamber that holds that is used for holding the upper column, upper column sliding connection is in holding the intracavity, or the inside cavity of upper column is in order to form the chamber that holds that is used for holding lower stand, lower stand sliding connection is in holding the intracavity, the spring housing is located on upper column and the lower stand.
Preferably, one side of the operating platform is provided with a fixed frame, the fixed frame comprises a horizontal part and a vertical part, the vertical part is fixedly connected with one side of the operating platform, and the horizontal part is fixedly connected with the lower fixing part.
Preferably, the horizontal part is provided with a horizontal through groove, the bottom of the lower fixing part is connected with a threaded column, and the threaded column penetrates through the horizontal through groove and then is in threaded connection with a threaded hole in the horizontal rotary wrench.
Preferably, the vertical part is provided with two vertical through grooves, and the two vertical through grooves are fixedly connected with the operating platform through nuts and screws respectively.
Preferably, the opposite sides of the upper chamfering die and the lower chamfering die are provided with spherical surfaces or conical surfaces for chamfering.
The invention also aims to provide a method for forming the double-sided chamfer angle of the mounting hole of the base plate at one time, so as to solve the technical problem of coaxiality bottom chamfer angles at two ends of the mounting hole of the base plate.
The technical scheme adopted by the invention is as follows:
a method for carrying out one-step forming on double-side chamfers of a cushion plate mounting hole by using the forming machine is designed, and comprises the following steps:
s1, selecting a chamfering die: selecting a proper upper chamfer mould and a proper lower chamfer mould according to the parameters of the mounting hole and the chamfer of the base plate;
s2, adjusting a supporting point: adjusting the position of the workpiece supporting point according to the parameters of the base plate;
s3, placing a workpiece: placing a base plate on a workpiece supporting point to enable a base plate mounting hole to be aligned with the lower chamfering die;
s4, chamfering and forming: driving the chamfering upper die to move downwards to perform stamping chamfering forming on the base plate mounting hole;
and S5, taking the parts.
Preferably, in step S2, the vertical displacement and the horizontal displacement of the workpiece support point are adjusted according to the length and the thickness of the pad plate; in step S3, the operation of aligning the shim plate mounting hole with the chamfering lower die is: the backing plate is reciprocated along the length direction thereof and swung to the left and right.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the invention has the advantages of simple structure, convenient operation and high production efficiency, the production efficiency can be improved by more than 10 times compared with the turning forming process, the production efficiency is improved by 1 time compared with the stamping single-face forming process, and the coaxiality of chamfers at two ends of the mounting hole is high, the quality is good and the precision is high.
2. The workpiece bearing table can rotate in a horizontal plane by 360 ︒, so that the mounting holes are aligned with the lower chamfer angle die, and the higher molding quality and the higher working efficiency of the chamfer angle are ensured.
3. The distance between the workpiece bearing table and the lower chamfer mould is adjustable, and the height of the workpiece bearing table in a vertical plane is adjustable, so that the chamfering die can be used for chamfering forming of base plates with different specifications, and the applicability is wide.
4. The upright columns can stretch out and draw back, so that the chamfering forming heights of the upper end and the lower end of the mounting hole of the base plate are the same, and the chamfering forming quality is high.
5. The invention can be modified on the basis of the existing punching machine, the modification cost is only one tenth of the cost of the punching machine, and the invention has the advantage of low cost.
6. The method for molding the double-sided chamfer of the mounting hole of the base plate can mold the double-sided chamfer of the mounting hole of the base plate at one time, and has the advantages of simple operation, less steps and high molding rate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view showing a positional relationship between an upper chamfering die and a lower chamfering die according to the present invention;
FIG. 3 is a second diagram showing the positional relationship between the upper and lower chamfering dies according to the present invention;
FIG. 4 is a schematic view of a workpiece stage;
FIG. 5 is a second schematic view of the workpiece stage;
FIG. 6 is a schematic view of a column;
FIG. 7 is a second schematic structural view of the pillar;
FIG. 8 is a force analysis diagram of a workpiece;
FIG. 9 is a schematic structural view of the fixing frame;
FIG. 10 is a schematic view of a connection structure between a vertical column and a horizontal portion;
FIG. 11 is a schematic view of the connection structure of the console and the vertical part;
FIG. 12 is a flow chart of the present invention;
FIG. 13 is a schematic view of the construction of the backing plate;
1 is the operation panel, 2 is the punching press head, 3 is the punching press base, 4 is the punching press arm, 5 is the mould on the chamfer, 6 is the chamfer lower mould, 7 is the work piece plummer, 8 is the work piece, 9 is the stand, 10 is the bearing, 11 is the upper cover plate, 12 is last fixed part, 13 is last stand, 14 is the spring, 15 is the lower stand, 16 is lower fixed part, 17 is for holding the chamber, 18 is the mount, 19 is the horizontal part, 20 is vertical portion, 21 is the logical groove of level, 22 is the screw post, 23 is the horizontal rotation spanner, 24 is vertical logical groove, 25 is the screw rod.
Detailed Description
The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way. The unit module components, structures, mechanisms, sensors and other devices referred to in the following examples are all conventional and commercially available products unless otherwise specified.
Example (b): as shown in fig. 1, a two-sided chamfer one-time forming machine for a cushion plate mounting hole comprises an operation table 1 and a stamping head 2, wherein the operation table 1 is a plate-shaped object fixed above a stamping machine base 3, one side of the stamping machine base 3 is provided with a stamping arm 4, the end part of the stamping arm 4 is provided with the stamping head 2, the stamping head 2 is positioned right above the operation table 1 and can reciprocate up and down, the bottom of the stamping head 2 is provided with an upper chamfer mould 5, a lower chamfer mould 6 is arranged on the operation table 1 and is positioned right below the upper chamfer mould 5, and the operation table 1 is further provided with a workpiece bearing table 7 capable of rotating in a horizontal plane.
As shown in fig. 2, a spherical surface for chamfering is provided at an end of the upper chamfering die 5 opposite to the lower chamfering die 6, and a line connecting spherical centers of the two spherical surfaces is vertical.
As shown in fig. 3, the opposite ends of the upper chamfering die 5 and the lower chamfering die 6 are provided with conical surfaces for chamfering, and the axes of the two conical surfaces are collinear.
As shown in fig. 4, the 360 ︒ rotation of the workpiece holder 7 in the horizontal plane is achieved by: the workpiece bearing table 7 comprises a vertical column 9, a bearing 10 and an upper cover plate 11, wherein the top end of the vertical column 9 is fixedly connected with an inner ring of the bearing 10, the bottom end of the vertical column is fixedly connected with the operating table 1, and the upper cover plate 11 is fixedly connected with an outer ring of the bearing 10.
As shown in fig. 5, a 360 ︒ rotation of the workpiece carrier table 7 in the horizontal plane is achieved: the workpiece bearing table 7 comprises a stand column 9, a bearing 10 and an upper cover plate 11, wherein the top end of the stand column 9 is fixedly connected with the outer ring of the bearing 10, the bottom end of the stand column is fixedly connected with the operating table 1, and the upper cover plate 11 is fixedly connected with the inner ring of the bearing 10.
As shown in fig. 4 or 5, in order to align the mounting hole with the lower chamfering die, the height of the upper surface of the upper cover plate 11 is not higher than the highest point of the lower chamfering die 6, so that after the workpiece is placed on the workpiece bearing table 7, the chamfering forming surface on the lower chamfering die 6 is in contact with the mounting hole on the workpiece 8 and is not stressed.
In this embodiment, the upright posts are retractable in order to make the chamfering depth of the two ends of the mounting hole the same.
As shown in fig. 6, the telescopic of the upright is realized by: the upright column 9 comprises an upper fixing part 12, an upper upright column 13, a spring 14, a lower upright column 15 and a lower fixing part 16, wherein the top of the upper fixing part 12 is fixedly connected with the bearing 10, the bottom of the upper fixing part is fixedly connected with the upper upright column 13, the bottom of the lower fixing part 16 is fixedly connected with the operating platform 1, and the top of the lower fixing part is fixedly connected with the lower upright column 15; the inside cavity of lower upright 15 is in order to form the chamber 17 that holds that is used for holding upper upright 13, and upper upright 13 sliding connection holds in chamber 17, and spring 14 cover is located on upper upright 13 and lower upright 14.
As shown in fig. 7, the telescopic of the upright is realized by: the upright column 9 comprises an upper fixing part 12, an upper upright column 13, a spring 14, a lower upright column 15 and a lower fixing part 16, wherein the top of the upper fixing part 12 is fixedly connected with the bearing 10, the bottom of the upper fixing part is fixedly connected with the upper upright column 13, the bottom of the lower fixing part 16 is fixedly connected with the operating platform 1, and the top of the lower fixing part is fixedly connected with the lower upright column 15; the inside cavity of upper column 13 is in order to form the chamber 17 that holds that is used for holding lower column 15, and lower column 15 sliding connection holds in chamber 17, and spring 14 cover is located on upper column 13 and lower column 15.
As shown in fig. 8, when the workpiece 8 is subjected to three external forces, namely, a pressing force F1 of the upper chamfering die 5 to the workpiece 8, a pressing force F2 of the lower chamfering die 6 to the workpiece 8, and a supporting force F3 of the workpiece holder 7 to the workpiece 8, when the chamfering depth of the upper and lower ends of the mounting hole is the same, the pressing force F1 is the same as the pressing force F2, that is, the supporting force F3 is the same as the gravity G of the workpiece 8, and the supporting force F3 is derived from the compression spring force of the spring 14, K = mg/x is obtained from G = F3, m is the weight of the workpiece 8, K is the stiffness coefficient, and x is the compression amount of the spring 14, which is the same as the chamfering depth.
As shown in fig. 9 and 10, the distance between the workpiece carrier table 7 and the lower chamfering die 6 is adjustable: one side of the operation table 1 is provided with a fixed frame 18, the fixed frame 18 comprises a horizontal part 19 and a vertical part 20, the vertical part 20 is fixedly connected with one side of the operation table 1 (the vertical part 20 can also be fixedly connected with one side of the punching machine base 3), and the horizontal part 19 is fixedly connected with the lower fixing part 16.
The horizontal part 19 is provided with a horizontal through groove 21, the bottom of the lower fixing part 16 is connected with a threaded column 22, and the threaded column 22 penetrates through the horizontal through groove 21 and then is in threaded connection with a threaded hole in a horizontal rotating wrench 23 so as to fixedly connect the upright post 9 with the fixed frame 18.
As shown in fig. 11, the height of the workpiece support table 7 in the vertical plane is adjusted in such a way that: two vertical through grooves 24 are formed in the vertical portion 20, and the two vertical through grooves 24 are fixedly connected with a screw 25 on the side face of the operating platform 1 through nuts respectively.
As shown in fig. 12, a method for one-step forming of double-sided chamfer of a mounting hole of a cushion plate comprises the following steps:
s1, selecting a chamfering die: selecting a proper upper chamfering die 5 and a proper lower chamfering die 6 according to parameters of a mounting hole and a chamfering of the base plate, fixing the upper chamfering die 5 on the punching head 2, and fixing the lower chamfering die 6 on the operating platform 1 and under the upper chamfering die 5;
s2, adjusting the position of the supporting point: adjusting the vertical displacement and the horizontal displacement of a workpiece supporting point according to the length and the thickness of the base plate, wherein the workpiece supporting point in the step is a workpiece bearing table 7, adjusting the vertical displacement of the workpiece bearing table 7 to loosen the nut and the screw 25, moving the fixed frame 18 up and down to a target position, and then screwing the nut and the screw 25; when the horizontal displacement of the workpiece bearing table 7 is adjusted, the horizontal rotating wrench 23 and the threaded column 22 are unscrewed, the workpiece bearing table 7 is moved to a target position, and then the horizontal rotating wrench 23 and the threaded column 22 are screwed;
s3, placing a workpiece: placing a base plate on a workpiece supporting point, enabling the base plate to move back and forth for 2-4 times along the length direction of the base plate, and enabling the base plate to swing left and right for 2-4 times to enable a base plate mounting hole to be aligned with the lower chamfering die 6;
s4, chamfering and forming: driving the chamfering upper die 5 to move downwards to perform punching chamfering forming on the base plate mounting hole;
and S5, taking the parts.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a two-sided chamfer one shot forming machine of backing plate mounting hole, includes the operation panel and sets up in operation panel top and reciprocating motion's punching press head from top to bottom, its characterized in that: the punching head is provided with an upper chamfering die for performing chamfering forming operation on the top of the mounting hole of the base plate, a lower chamfering die for performing chamfering forming operation on the bottom of the mounting hole of the base plate is arranged on the operating platform and is positioned right below the upper chamfering die, and the operating platform is also provided with a workpiece bearing platform capable of rotating in a horizontal plane; the workpiece bearing table comprises a telescopic upright post, a bearing and an upper cover plate, the top end of the upright post is fixedly connected with the bearing, the bottom end of the upright post is fixedly connected with the operating table, the upper cover plate is fixedly connected with the bearing, and the height of the upper surface of the upper cover plate is not higher than the highest point of the lower chamfering die;
the upright column comprises an upper fixing part, an upper upright column, a spring, a lower upright column and a lower fixing part, the top of the upper fixing part is fixedly connected with the bearing, the bottom of the upper fixing part is fixedly connected with the upper upright column, the bottom of the lower fixing part is fixedly connected with the operating platform, and the top of the lower fixing part is fixedly connected with the lower upright column; the inside cavity of lower stand is in order to form the chamber that holds that is used for holding the upper column, upper column sliding connection is in holding the intracavity, or the inside cavity of upper column is in order to form the chamber that holds that is used for holding lower stand, lower stand sliding connection is in holding the intracavity, the spring housing is located on upper column and the lower stand.
2. The machine for forming double-sided chamfers of the cushion plate mounting holes according to claim 1, is characterized in that: one side of operation panel is equipped with the mount, the mount includes horizontal part and vertical portion, vertical portion and one side fixed connection of operation panel, the horizontal part with fixed part fixed connection down.
3. The machine for forming double-sided chamfers of the cushion plate mounting holes according to claim 2, is characterized in that: the horizontal part is provided with a horizontal through groove, the bottom of the lower fixing part is connected with a threaded column, and the threaded column penetrates through the horizontal through groove and then is in threaded connection with a threaded hole in the horizontal rotating wrench.
4. The machine for forming double-sided chamfers of the cushion plate mounting holes according to claim 3, characterized in that: the vertical part is provided with two vertical through grooves which are fixedly connected with the operating platform through nuts and screws respectively.
5. The machine for forming double-sided chamfers of the cushion plate mounting holes according to claim 1, is characterized in that: and the opposite sides of the upper chamfer mould and the lower chamfer mould are provided with spherical surfaces or conical surfaces for chamfer forming.
6. The method for one-step forming of the double-sided chamfer of the mounting hole of the base plate by using the forming machine of claim 1 is characterized by comprising the following steps: s1, selecting a chamfering die: selecting a proper upper chamfer mould and a proper lower chamfer mould according to the parameters of the mounting hole and the chamfer of the base plate;
s2, adjusting a supporting point: adjusting the position of the workpiece supporting point according to the parameters of the base plate;
s3, placing a workpiece: placing a base plate on a workpiece supporting point to enable a base plate mounting hole to be aligned with the lower chamfering die;
s4, chamfering and forming: driving the chamfering upper die to move downwards to perform stamping chamfering forming on the base plate mounting hole;
and S5, taking the parts.
7. The method for forming the double-sided chamfer angle of the cushion plate mounting hole in one step according to claim 6, wherein the method comprises the following steps: in step S2, adjusting the vertical displacement and the horizontal displacement of the workpiece support point according to the length and the thickness of the pad plate; in step S3, the operation of aligning the shim plate mounting hole with the chamfering lower die is: the backing plate is reciprocated along the length direction thereof and swung to the left and right.
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CN201910077552.5A CN109773000B (en) | 2019-01-28 | 2019-01-28 | One-step forming machine and forming method for double-side chamfer of base plate mounting hole |
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CN201910077552.5A CN109773000B (en) | 2019-01-28 | 2019-01-28 | One-step forming machine and forming method for double-side chamfer of base plate mounting hole |
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CN109773000A CN109773000A (en) | 2019-05-21 |
CN109773000B true CN109773000B (en) | 2020-08-21 |
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Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202343661U (en) * | 2011-11-30 | 2012-07-25 | 力派尔(珠海)汽车配件有限公司 | High-efficiency brake block steel backing chamfering device |
CN204052546U (en) * | 2014-07-16 | 2014-12-31 | 江苏安睿德电力科技有限公司 | A kind of hole punching device |
CN205237221U (en) * | 2015-12-18 | 2016-05-18 | 深圳市金泰格机电有限公司 | Batch chamfer forming device |
CN205519041U (en) * | 2016-02-04 | 2016-08-31 | 四川零公里工程构件有限责任公司 | Extrusion molding mould for chamfer |
CN107030179A (en) * | 2017-04-25 | 2017-08-11 | 全南县智护力工业产品设计有限公司 | A kind of decompressor on motor |
CN208019233U (en) * | 2018-01-31 | 2018-10-30 | 重庆惠梁机电配件有限公司 | Motor rotor punching sheet decompressor |
CN108746867A (en) * | 2018-07-05 | 2018-11-06 | 佛山市南海惠家五金制品有限公司 | A kind of environment-friendly type hardware plate member edge grooving apparatus |
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Denomination of invention: Double sided chamfering one-time molding machine and molding method for mounting holes on cushion plates Effective date of registration: 20231120 Granted publication date: 20200821 Pledgee: Bank of China Limited Ruzhou sub branch Pledgor: RUZHOU ZHENGTIE SANJIA TURNOUT Co.,Ltd. Registration number: Y2023980066349 |