CN114226789A - A device and method for forming a curved surface of a hammer head of a precision forging machine - Google Patents
A device and method for forming a curved surface of a hammer head of a precision forging machine Download PDFInfo
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- CN114226789A CN114226789A CN202111381280.1A CN202111381280A CN114226789A CN 114226789 A CN114226789 A CN 114226789A CN 202111381280 A CN202111381280 A CN 202111381280A CN 114226789 A CN114226789 A CN 114226789A
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- 238000005242 forging Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000005520 cutting process Methods 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000009434 installation Methods 0.000 claims abstract description 16
- 241000251131 Sphyrna Species 0.000 claims description 15
- 238000003754 machining Methods 0.000 claims description 7
- 244000137852 Petrea volubilis Species 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
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Abstract
本发明公开了一种精锻机锤头工装曲面成型装置及方法，包括安装架、切削机构、调节机构和夹持机构，所述调节机构均设置在安装架上，所述切削机构设置在调节机构上，所述夹持机构通过可拆卸机构连接在镗床切削平台上，所述安装架包括有镗刀杆和活动套，所述活动套的内部通过开设的卡槽套设在镗刀杆的一端。该精锻机锤头工装曲面成型装置及方法，通过安装轴和镗刀杆之间的连接，可以根据工作人员的需要使安装轴在镗刀杆内升降，调节安装轴伸出的长度，控制切削半径从而改变切削出来锤头的曲面弧度，方便根据工作人员的需要进行改变，同时在切削过程中切削出来的精度更高，通过刻度线的作用，方便计算的同时可以精准的控制切削半径，减少误差便于调节。
The invention discloses a device and a method for forming a curved surface of a hammer head of a precision forging machine, comprising a mounting frame, a cutting mechanism, an adjusting mechanism and a clamping mechanism. In terms of mechanism, the clamping mechanism is connected to the boring machine cutting platform through a detachable mechanism, and the mounting frame includes a boring bar and a movable sleeve, and the inside of the movable sleeve is sleeved on the boring bar through the opening slot. one end. The device and method for forming a curved surface of a hammer head of a precision forging machine, through the connection between the installation shaft and the boring bar, can make the installation shaft rise and fall in the boring bar according to the needs of the staff, adjust the protruding length of the installation shaft, and control the The cutting radius can change the curvature of the curved surface of the hammer head, which is convenient to change according to the needs of the staff. At the same time, the cutting precision is higher during the cutting process. Through the function of the scale line, it is convenient to calculate and can accurately control the cutting radius. Reduce errors and facilitate adjustment.
Description
Technical Field
The invention relates to the technical field of precision forging machine hammer processing, in particular to a device and a method for forming a curved surface of a precision forging machine hammer tool.
Background
The radial forging is a rotary forging method specially used for processing solid or hollow long shaft parts, when in forging, hammers distributed in the circumferential direction of a bar material quickly and synchronously forge a workpiece, if the workpiece is a circular section, the workpiece rotates at a low speed, and the workpiece moves in an axial feeding manner, and if the workpiece is a non-circular section, the workpiece only feeds in the axial direction but does not rotate, so that the radial forging has the characteristics of no need of a special die and capability of forging precise shaft parts according to a preset program.
But most precision forging machine tups are at the curved surface shaping course of working at present, and the cutting radius of boring cutter is adjusted according to staff's needs not to be convenient for, makes the fixed change of not being convenient for of precision forging machine tup curved surface radian, and the curved surface shaping processing of tup that has special curved surface radian requirement uses and has certain limitation.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a curved surface forming device and method for a hammerhead tool of a precision forging machine, which have the advantages of changing cutting radius, being convenient to adjust and the like, and solve the problems of insufficient cutting precision and fixed curved surface radian.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a finish forging machine tup frock curved surface forming device, includes mounting bracket, cutting mechanism, adjustment mechanism and fixture, adjustment mechanism all sets up on the mounting bracket, cutting mechanism sets up on adjustment mechanism, fixture connects on boring machine cutting platform through detachable mechanism, wherein:
the mounting frame comprises a boring cutter bar and a movable sleeve, wherein the movable sleeve is sleeved at one end of the boring cutter bar through a clamping groove;
the adjusting mechanism comprises a mounting shaft, an upper stop ring and a lower stop ring, the surface of the mounting shaft is respectively in threaded connection with the upper stop ring and the lower stop ring through threads, and the surface of the boring cutter bar is in sliding connection with the mounting shaft through a through hole;
the cutting mechanism includes a boring cutter mounted in a mounting shaft.
Preferably, the surface of the mounting shaft is in threaded connection with a limit bolt through a threaded hole, the limit bolt penetrates through one end of the mounting shaft and is in contact connection with the surface of the boring cutter, and the surface of the mounting shaft is provided with scale marks.
Preferably, the surface contact of installation axle is connected with the cushion, the quantity of cushion is two, two the cushion uses the central line of installation axle as the symmetry axis and is the symmetry setting, the bottom of going up the rotating ring and the top of lower driving ring are connected with the cushion contact respectively.
Preferably, the clamping mechanism comprises a bottom plate, a supporting column and a placing plate, the supporting column is arranged on the surface of the bottom plate and fixedly connected with the bottom surface of the placing plate, and a fastening mechanism is arranged inside the placing plate.
Preferably, fastening device threaded connection is at the anchorage bar of placing the inboard, place the surface of board and offer can with anchorage bar complex fastening groove, the surface threaded connection of anchorage bar is at the inner wall of fastening groove, the quantity of anchorage bar and fastening groove is two at least, the quantity of anchorage bar and fastening groove is two, two the fastening groove is the symmetry setting with the central line of placing the board as the symmetry axis.
Preferably, the detachable mechanism comprises a positioning bolt and an auxiliary nut, the surface of the auxiliary nut is connected to the surface of the positioning bolt through a threaded hole formed in the surface of the auxiliary nut, the auxiliary nut penetrates through the surface of the positioning bolt, the number of the positioning bolt and the number of the auxiliary nut are four, the two positioning bolts are symmetrically arranged by taking the central line of the bottom plate as a group, and the bottom of the auxiliary nut is tightly attached to the surface of the bottom plate.
The invention also provides a control method for the counter-pressure casting of the aluminum alloy, which comprises the following steps:
placing the hammerhead to be curved surface processed on a placing plate, and rotating a fastening rod to be matched with the placing plate to clamp and fasten the hammerhead;
inserting a boring cutter into the mounting shaft and fastening the boring cutter through a limiting bolt;
the tool bit of the boring tool is tightly attached to the processing surface of the hammer head to perform tool setting;
the position of the mounting shaft is adjusted according to the radian of the curved surface to be cut;
and starting the boring machine to drive the mounting shaft to rotate through the boring cutter bar so as to cut the hammer.
Preferably, the cutting radius of the boring cutter is r, and the extension length of the boring cutter is y;
calculating the radian of a curved surface to be cut by a worker;
rotating the lower stop ring and the upper stop ring, and adjusting the extending length of the mounting shaft according to the scale marks;
after the adjustment is finished, the lower stop ring and the upper stop ring are rotated to be fastened and limited;
after the length that the installation axle stretches out is adjusted, installation axle extension length is Xm, and Xm + y is r for the cutting radius after the boring cutter is adjusted, can adjust the use according to staff's needs.
Preferably, the cutting is divided into three steps:
the first step is rough machining, wherein the cutting is performed twice, the first cutting is performed for 4 mm, the second cutting is performed for 2 mm, and the rest is performed for 2 mm;
the second step is finish machining, wherein the cutting is performed for three times, the first cutting is performed for 1-2 mm, the second cutting is performed for 0.5-0.1 mm, the error is measured by matching a data acquisition instrument with a dial indicator, the practical curvature of the curved surface is required, the cutting radius of the mounting shaft 3 is measured according to the curvature radius of the curved surface required to be used, the extending length of the mounting shaft 3 is adjusted, then the cutter is set again, the cutter is attached to the bottom of the curved surface, the second cutting feed is adjusted according to the deviation of the boring cutter 6, the third cutter is controlled to have the error of about 0.1 to perform the last cutting, and the proper curvature of the curved surface is processed until the residual is 0.3-0.5 mm;
and the third step is retracting the cutter, and the boring machine finishes processing.
Preferably, the hammer head after the boring machine is machined is placed on a placing plate, and sand paper with the fineness of 5000-10000 meshes is used for polishing the surface of the hammer head.
(III) advantageous effects
Compared with the prior art, the invention provides a curved surface forming device and method for a hammerhead tool of a precision forging machine, which have the following beneficial effects:
according to the device and the method for forming the curved surface of the hammer head tool of the precision forging machine, the mounting shaft can be lifted in the boring cutter bar according to the needs of workers through the connection between the mounting shaft and the boring cutter bar, the extending length of the mounting shaft is adjusted, and the cutting radius is controlled, so that the radian of the curved surface of the cut hammer head is changed, the change is convenient according to the needs of the workers, the cutting precision is higher in the cutting process, the cutting radius can be accurately controlled while calculation is convenient through the action of scale marks, and the error is reduced and is convenient to adjust;
according to the forming device and method for the curved surface of the hammer head tool of the precision forging machine, the direction of the bottom plate is convenient for workers to replace through connection between the positioning bolt of the detachable mechanism and the auxiliary nut, the hammers with different sizes can be clamped by combining connection between the fastening rod and the fastening groove, and the operation is simple and the cooperation of the workers is convenient.
Drawings
FIG. 1 is a schematic structural view of a device and a method for forming a curved surface of a hammerhead tool of a precision forging machine, which are provided by the invention;
FIG. 2 is a schematic structural view of a mounting shaft of a precision forging machine hammer head tooling curved surface forming device and a method provided by the invention;
fig. 3 is a structural schematic diagram of a feeding mode structure of a precision forging machine hammer head tool curved surface forming device and method provided by the invention.
In the figure: 1. boring a cutter bar; 2. a movable sleeve; 3. installing a shaft; 4. an upper stop ring; 5. a lower snap ring; 6. boring cutter; 7. a limit bolt; 8. scale lines; 9. cushion blocks; 10. a base plate; 11. a support pillar; 12. placing the plate; 13. a fastening rod; 14. a fastening groove; 15. positioning the bolt; 16. and an auxiliary nut.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, a curved surface forming device for a hammerhead tool of a precision forging machine is characterized in that: including mounting bracket, cutting mechanism, adjustment mechanism and fixture, adjustment mechanism all sets up on the mounting bracket, and cutting mechanism sets up on adjustment mechanism, and fixture connects on boring machine cutting platform through detachable mechanism, wherein: the mounting frame comprises a boring cutter bar 1 and a movable sleeve 2, wherein the interior of the movable sleeve 2 is sleeved at one end of the boring cutter bar 1 through a clamping groove, and the boring cutter bar 1 can rotate in the interior of the movable sleeve 2 through the connection between the movable sleeve 2 and the boring cutter bar 1;
in this embodiment, as an alternative, one end of the boring bar 1 may be fixedly connected with a slot block having a diameter larger than that of the movable sleeve 2, a slot hole capable of being matched with the movable sleeve 2 is formed inside the slot block, and the movable sleeve 2 may rotate in the slot hole.
The adjusting mechanism comprises a mounting shaft 3, an upper stop ring 4 and a lower stop ring 5, the surface of the mounting shaft 3 is in threaded connection with the upper stop ring 4 and the lower stop ring 5 respectively through threads, the surface of the boring cutter bar 1 is in sliding connection with the mounting shaft 3 through a through hole, the mounting shaft 3 can vertically lift in the boring cutter bar 1 through the connection between the mounting shaft 3 and the boring cutter bar 1, the upper stop ring 4 can rotate on the surface of the mounting shaft 3 through the connection between the upper stop ring 4 and the mounting shaft 3, the lower stop ring 5 can rotate on the surface of the mounting shaft 3 through the connection between the lower stop ring 5 and the mounting shaft 3, and the connection between the mounting shaft 3 and the boring cutter bar 1 can be limited through the action of the upper stop ring 4 and the lower stop ring 5;
the cutting mechanism comprises a boring cutter 6 mounted in the mounting shaft 3, and the boring cutter 6 can be mounted or dismounted through the connection between the mounting shaft 3 and the boring cutter 6.
Example 2
According to the embodiment 1, the surface of the mounting shaft 3 is connected with the limiting bolt 7 through the thread of the threaded hole, one end of the limiting bolt 7 penetrating into the mounting shaft 3 is in contact connection with the surface of the boring cutter 6, the surface of the mounting shaft 3 is provided with the scale mark 8, the limiting bolt 7 can rotate and move in the mounting shaft 3 through the connection between the limiting bolt 7 and the mounting shaft 3, the connection between the boring cutter 6 and the mounting shaft 3 can be limited through the action of the limiting bolt 7, the length adjusted by the mounting shaft 3 can be clearer through the action of the scale mark 8,
in the embodiment, as a preferable scheme, the scale marks 8 can be replaced by lengths of appropriate measurement units, such as millimeters or centimeters, according to the needs of workers, and when the boring cutter 6 is damaged, the replacement is convenient for the workers;
in this embodiment, as an alternative, a through hole capable of being matched with the limit bolt 7 may be formed in the surface of the boring cutter 6, so that the limit bolt 7 penetrates into the boring cutter 6, and the stability is improved.
Example 3
According to the embodiment 1, the surface of the mounting shaft 3 is in contact connection with the two cushion blocks 9, the two cushion blocks 9 are symmetrically arranged by taking the center line of the mounting shaft 3 as a symmetry axis, the bottom of the upper stop ring 4 and the top end of the lower driving ring 5 are respectively in contact connection with the cushion blocks 9, the cushion blocks 9 can be mounted or dismounted through the connection between the cushion blocks 9 and the mounting shaft 3, the tightness of the upper stop ring 4 can be improved through the connection between the cushion blocks 9 and the upper stop ring 4, the probability of deflection of the upper stop ring 4 is reduced, and the stability is improved;
in this embodiment, as an alternative, a threaded hole may be formed in the surface of the spacer 9, and a threaded hole of the same size may be formed in a position corresponding to the mounting shaft 3, so that the spacer 9 and the mounting shaft 3 are fastened by a bolt;
in this embodiment, the surface of the mounting shaft 3 may alternatively be provided as an end plane, which may be brought into close contact with the upper stop ring 4 without the spacer 9.
Example 4
According to embodiment 1, the clamping mechanism comprises a bottom plate 10, a supporting column 11 and a placing plate 12, the supporting column 11 is arranged on the surface of the bottom plate 10 and is fixedly connected with the bottom surface of the placing plate 12, a fastening mechanism is arranged inside the placing plate 12, the placing plate 12 can be fixed on the bottom plate 10 through the action of the supporting column 11, the hard connection between the bottom plate 10 and the placing plate 12 can be reduced through the action of the supporting column 11, and the service life is prolonged;
in this embodiment, as an alternative, a plurality of springs may be added between the bottom plate 10 and the placing plate 12 in addition to the supporting columns 11, so as to improve the auxiliary damping effect.
Example 5
According to embodiment 4, the fastening mechanism is screwed to the fastening rod 13 in the placing plate 12, the surface of the placing plate 12 is provided with the fastening grooves 14 capable of being matched with the fastening rod 13, the surface of the fastening rod 13 is screwed to the inner wall of the fastening groove 14, the number of the fastening rods 13 and the number of the fastening grooves 14 are at least two, the number of the fastening rods 13 and the number of the fastening grooves 14 are two, the two fastening grooves 14 are symmetrically arranged by taking the center line of the placing plate 12 as the symmetry axis, the fastening rods 13 can rotate and move in the fastening grooves 14 through the connection between the fastening rods 13 and the fastening grooves 14, and a workpiece can be clamped through the matching between the fastening rods 13 and the placing plate 12;
in this embodiment, as an alternative, a fastening sleeve may be screwed onto the surface of the fastening rod 13, the fastening rod 13 is not connected to the placing plate 12, so that the fastening sleeve is inserted into the placing plate 12, a protrusion is added to avoid rotation of the fastening sleeve, the fastening rod 13 can be driven to move horizontally by rotating, the placing plate is clamped in cooperation, or a spring is added to the surface of the fastening rod 13, so as to play a role in damping and buffering.
Example 6
According to embodiment 4, the detachable mechanism comprises a positioning bolt 15 and an auxiliary nut 16, the surface of the auxiliary nut 16 is connected to the surface of the positioning bolt 15 through a threaded hole formed in the surface, the surface of the positioning bolt 15 penetrates through the auxiliary nut 16, the number of the positioning bolt 15 and the number of the auxiliary nut 16 are four, the four positioning bolts 15 are arranged in a group, the center line of the base plate 10 is used as a symmetry axis, the four positioning bolts 15 are symmetrically arranged, the bottom of the auxiliary nut 16 is attached to the surface of the base plate 10 tightly, the base plate 10 can be installed on a boring machine cutting platform through connection between the positioning bolts 15 and the auxiliary nut 16, the surface of the positioning bolt 15 is attached to the boring machine cutting platform tightly, and meanwhile the lower surface of the auxiliary nut 16 is attached to the surface of the base plate 10 tightly.
In the embodiment, as a preferred scheme, the bottom of the auxiliary nut 16 is provided with a tooth socket, so that the contact tightness can be improved through the tooth socket, and the accidental loosening probability is reduced;
in this embodiment, as an alternative, a clamping block that can be matched with the surface of the boring machine cutting platform may be provided at the bottom of the bottom plate 10, and the clamping block is clamped into a clamping groove provided in the boring machine cutting platform, so that certain stability may be improved, and the probability of accidental loosening may be reduced.
There is also provided, in accordance with an embodiment of the present invention, a control method for counter-pressure casting of an aluminum alloy, including the steps of:
placing the hammer head to be curved on the placing plate 12, and rotating the fastening rod 13 to clamp and fasten the hammer head by matching with the placing plate 12;
inserting the boring cutter 6 into the mounting shaft 3 and fastening the boring cutter by a limiting bolt 7;
the tool bit of the boring tool 6 is tightly attached to the processing surface of the hammer head for tool setting;
the position of the mounting shaft 3 is adjusted according to the radian of the curved surface to be cut;
and starting the boring machine to drive the mounting shaft 3 to rotate through the boring cutter bar 1 so as to cut the hammer.
Preferably, the cutting radius of the boring cutter 6 is r, and the extension length of the boring cutter 6 is y;
calculating the radian of a curved surface to be cut by a worker;
rotating the lower stop ring 5 and the upper stop ring 4, and adjusting the extending length of the mounting shaft 3 according to the scale mark 8;
after the adjustment is finished, the lower stop ring 5 and the upper stop ring 4 are rotated to be fastened and limited;
after the length that installation axle 3 stretched out is adjusted, installation axle 3 stretched out length is Xm, and Xm + y is r for the cutting radius after boring cutter 6 adjusted, can adjust the use according to staff's needs.
Preferably, the first step is rough machining, the cutting is carried out twice, the first cutting is carried out for 4 mm, the second cutting is carried out for 2 mm, and the rest is 2 mm;
the second step is finish machining, wherein the cutting is performed for three times, the first cutting is performed for 1-2 mm, the second cutting is performed for 0.5-0.1 mm, the error is measured by matching a data acquisition instrument with a dial indicator, the cutting radius of the mounting shaft 3 is measured according to the radian radius of a curved surface required to be used, the extending length of the mounting shaft 3 is adjusted, then the cutter is set again, the cutter is attached to the bottom of the curved surface, the second cutting amount is adjusted according to the deviation of the boring cutter 6, the last cutting is performed when the error is controlled by a third cutter to be about 0.1, and the proper radian of the curved surface is machined until the residual amount is 0.3-0.5 mm;
and the third step is retracting the cutter, and the boring machine finishes processing.
Preferably, the hammerhead processed by the boring mill is placed on the placing plate 12, and sand paper with the fineness of 5000 meshes is used for polishing the surface of the hammerhead;
alternatively, the hammer head may be placed on a grinding machine for machining.
Preferably, the hammer head after the boring machine is finished is placed on the placing plate 12, and sand paper with the fineness of 8000 meshes is used for polishing the surface of the hammer head.
Preferably, the hammerhead processed by the boring machine is placed on the placing plate 12, and the surface of the hammerhead is polished by using sand paper with the fineness of 10000 meshes.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the hammer is used, a hammer head is placed on the placing plate 12, the fastening rod 13 is rotated to fasten, the length of the mounting shaft 3 extending out of the boring cutter rod 1 is adjusted, and the boring machine is started to enable the mounting shaft 3 to rotate for cutting.
In conclusion, the device and the method for forming the curved surface of the hammer head tool of the precision forging machine are characterized in that the installation shaft 3 is connected with the boring cutter bar 1, the length of the installation shaft 3 extending out of the boring cutter bar 1 can be adjusted through lifting of the installation shaft 3 according to the needs of workers, the cutting radius is controlled, the curved surface radian of the hammer head is changed through changing of the curved surface radian of the hammer head, the hammer head can be conveniently changed according to the needs of the workers, meanwhile, the precision of the hammer head cut in the cutting process is higher, through the action of the scale mark 8, the cutting radius can be accurately controlled while calculation is facilitated, errors are reduced, adjustment is facilitated, the hammer head tool is connected with the auxiliary nut 16 through the detachable mechanism positioning bolt 15, the workers can conveniently change the direction of the bottom plate 10, the hammer heads with different sizes can be clamped through the connection between the fastening rod 13 and the fastening groove 14, and the operation is simple and convenient for matching with the use of the workers.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a finish forging machine tup frock curved surface forming device which characterized in that: including mounting bracket, cutting mechanism, adjustment mechanism and fixture, adjustment mechanism all sets up on the mounting bracket, cutting mechanism sets up on adjustment mechanism, fixture passes through detachable mechanism and connects on boring machine cutting platform, wherein:
the mounting frame comprises a boring cutter bar and a movable sleeve, wherein the movable sleeve is sleeved at one end of the boring cutter bar through a clamping groove;
the adjusting mechanism comprises a mounting shaft, an upper stop ring and a lower stop ring, the surface of the mounting shaft is respectively in threaded connection with the upper stop ring and the lower stop ring through threads, and the surface of the boring cutter bar is in sliding connection with the mounting shaft through a through hole;
the cutting mechanism includes a boring cutter mounted in a mounting shaft.
2. The forming device for the curved surface of the hammer head tool of the precision forging machine as claimed in claim 1, wherein: the surface of the mounting shaft is in threaded connection with a limiting bolt through a threaded hole formed in the surface, the limiting bolt penetrates through one end of the mounting shaft and is in contact connection with the surface of the boring cutter, and scale marks are formed in the surface of the mounting shaft.
3. The forming device for the curved surface of the hammer head tool of the precision forging machine as claimed in claim 1, wherein: the surface contact of installation axle is connected with the cushion, the quantity of cushion is two, two the cushion uses the central line of installation axle as the symmetry axis and is the symmetry setting, the bottom of going up the rotating ring and the top of lower driving ring are connected with the cushion contact respectively.
4. The forming device for the curved surface of the hammer head tool of the precision forging machine as claimed in claim 1, wherein: the clamping mechanism comprises a bottom plate, a supporting column and a placing plate, the supporting column is arranged on the surface of the bottom plate and fixedly connected with the bottom surface of the placing plate, and a fastening mechanism is arranged inside the placing plate.
5. The device for forming the curved surface of the hammer head tool of the precision forging machine as claimed in claim 4, wherein: fastening device threaded connection places the anchorage bar in the board, place the surface of board and offer can with anchorage bar complex fastening groove, the surface threaded connection of anchorage bar is at the inner wall of fastening groove, the quantity of anchorage bar and fastening groove is two at least, the quantity of anchorage bar and fastening groove is two, two the fastening groove is the symmetry setting with the central line of placing the board as the symmetry axis.
6. The device for forming the curved surface of the hammer head tool of the precision forging machine as claimed in claim 4, wherein: the detachable mechanism comprises a positioning bolt and an auxiliary nut, the surface of the auxiliary nut is in threaded connection with the surface of the positioning bolt through a threaded hole formed in the surface of the auxiliary nut, the auxiliary nut penetrates through the surface of the positioning bolt, the number of the positioning bolt and the number of the auxiliary nut are four, the two positioning bolts are symmetrically arranged by taking the central line of the bottom plate as a group, and the bottom of the auxiliary nut is attached to the surface of the bottom plate tightly.
7. The utility model provides a precision forging machine tup frock curved surface forming method which characterized in that: the method comprises the following steps:
placing the hammerhead to be curved surface processed on a placing plate, and rotating a fastening rod to be matched with the placing plate to clamp and fasten the hammerhead;
inserting a boring cutter into the mounting shaft and fastening the boring cutter through a limiting bolt;
the tool bit of the boring tool is tightly attached to the processing surface of the hammer head to perform tool setting;
the position of the mounting shaft is adjusted according to the radian of the curved surface to be cut;
and starting the boring machine to drive the mounting shaft to rotate through the boring cutter bar so as to cut the hammer.
8. The method for forming the curved surface of the hammer head tool of the precision forging machine according to claim 7, wherein the method comprises the following steps:
the cutting radius of the boring cutter is r, and the extension length of the boring cutter is y;
calculating the radian of a curved surface to be cut by a worker;
rotating the lower stop ring and the upper stop ring, and adjusting the extending length of the mounting shaft according to the scale marks;
after the adjustment is finished, the lower stop ring and the upper stop ring are rotated to be fastened and limited;
after the length that the installation axle stretches out is adjusted, installation axle extension length is Xm, and Xm + y is r for the cutting radius after the boring cutter is adjusted, can adjust the use according to staff's needs.
9. The method for forming the curved surface of the hammer head tool of the precision forging machine according to claim 7, wherein the method comprises the following steps: the cutting process comprises three steps:
the first step is rough machining, wherein the cutting is performed twice, the first cutting is performed for 4 mm, the second cutting is performed for 2 mm, and the rest is performed for 2 mm;
the second step is finish machining, wherein the cutting is performed for three times, the first cutting is performed for 1-2 mm, the second cutting is performed for 0.5-0.1 mm, after each cutting is finished, the error is measured by matching a data acquisition instrument with a dial indicator, the cutting radius of the mounting shaft 3 is measured according to the required practical curved surface radian and the required curved surface radian radius, the extending length of the mounting shaft 3 is adjusted, then the cutter is set again, the cutter is attached to the bottom of the arc surface, the second cutting amount is adjusted according to the deviation of the boring cutter 6, the last cutting is performed by controlling the error of a third cutter at about 0.1, and the proper curved surface radian is machined until the residual amount is 0.3-0.5 mm;
and the third step is retracting the cutter, and the boring machine finishes processing.
10. The method for forming the curved surface of the hammer head tool of the precision forging machine according to claim 7, wherein the method comprises the following steps:
the hammerhead processed by the boring machine is placed on a placing plate, and sand paper with the fineness of 5000-10000 meshes is used for polishing the surface of the hammerhead.
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Application publication date: 20220325 |