CN213163180U - Punching mechanism for numerical control machine tool of jack piston rod - Google Patents
Punching mechanism for numerical control machine tool of jack piston rod Download PDFInfo
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- CN213163180U CN213163180U CN202022012767.XU CN202022012767U CN213163180U CN 213163180 U CN213163180 U CN 213163180U CN 202022012767 U CN202022012767 U CN 202022012767U CN 213163180 U CN213163180 U CN 213163180U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 66
- 238000004080 punching Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a punching mechanism for jack piston rod numerical control machine, which comprises a positioning mechanism, the positioning mechanism comprises a rotary fixed shell, one end face of the fixed shell is provided with a plurality of groups of clamping jaws along the radial sliding direction, the clamping jaws are arranged in an annular array relative to the rotary axis of the fixed shell, the other end of the fixed shell is connected with an installation mechanism through a spherical hinge, the positioning mechanism and the installation mechanism are internally and jointly provided with a power transmission mechanism, the power transmission mechanism comprises a main shaft and a spline sleeve, a universal coupling is arranged between the main shaft and the spline sleeve, the rotary spherical center of the universal coupling is overlapped with the spherical center of the spherical hinge, the punching mechanism for the jack piston rod numerical control machine realizes the quick coaxial of a piston rod and a punching cutter, and supports the cantilever end of the piston rod in the punching process, reducing the flexural deformation of the piston rod.
Description
Technical Field
The utility model relates to a processing machinery technical field specifically is a mechanism of punching for jack piston rod digit control machine tool.
Background
Jack piston rod is adding man-hour, often need carry out the tip and punch, and when the tip punched, the axis that need guarantee to punch overlaps with the axis of piston rod self, when current digit control machine tool punches, its positioning accuracy relies on the positioning accuracy of lathe completely, and positioning speed is slower, and when the piston rod was in the cantilever installation, the in-process of punching, slight flexible deformation can take place for the piston rod, causes the actual axis of punching and piston rod axis to have certain contained angle.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a mechanism of punching for jack piston rod digit control machine tool, realize the piston rod and the quick coaxial of the cutter that punches, and the in-process of punching, support the cantilever end of piston rod, reduce the flexible deformation of piston rod, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanism of punching for jack piston rod digit control machine tool, includes positioning mechanism, positioning mechanism includes the set casing of gyration shape, the one end terminal surface of set casing sets up a plurality of clamping jaws of group along radial sliding, the clamping jaw is the annular array and arranges about the gyration axis of set casing, the other end of set casing passes through spherical hinged joint installation mechanism, positioning mechanism and the inside power transmission mechanism that is provided with jointly of installation mechanism, power transmission mechanism includes main shaft and spline sleeve, be provided with universal joint between main shaft and the spline sleeve, universal joint's rotation centre of sphere overlaps with spherical hinged's centre of sphere, the installation is rotated with the installation mechanism is coaxial to the main shaft, spline sleeve and the coaxial rotation installation of positioning mechanism, spline sleeve is inside to slide along the axis and to set up the integral key shaft.
As a preferred technical solution of the present invention, the positioning mechanism further includes a bevel gear disc and a first input shaft, the bevel gear disc is coaxially rotatably disposed inside the fixed housing, the end of the first input shaft is provided with a bevel gear engaged with the bevel gear disc, the back end surface of the bevel gear disc is provided with an annular spiral groove, and the contact surface of the clamping jaw and the bevel gear disc is provided with a spiral protrusion engaged with the spiral groove;
the first input shaft drives the conical fluted disc to rotate, the clamping jaws are driven to slide along the radial direction in the rotating process, so that the clamping of the piston rod is realized, and the axes of the clamped piston rod and the fixed shell are overlapped due to the fact that the movement speeds of the groups of clamping jaws are consistent.
As a preferred technical solution of the present invention, the mounting mechanism includes a connecting body and a mounting seat, one end of the connecting body is fixedly mounted to the fixing housing, the other end of the connecting body is coaxially provided with a spherical protrusion, one end of the mounting seat is provided with a spherical cover engaged with the spherical protrusion, a rotational spherical center of the universal coupling is overlapped with a spherical center of the spherical protrusion, the main shaft is coaxially rotatably mounted to the mounting seat, and the spline sleeve is coaxially rotatably mounted to the connecting body;
through the use of the spherical bulge and the universal coupling, when a certain included angle exists between the positioning mechanism and the axis of the mounting mechanism, continuous power output can still be obtained.
As a preferred technical solution of the present invention, the power transmission mechanism further includes a second input shaft, the second input shaft is perpendicular to the main shaft, and a meshing bevel gear set is provided between the second input shaft and the main shaft;
the direction of power input is changed through the second input shaft which is vertically arranged, and the arrangement of an integral power transmission line is facilitated.
As a preferred technical scheme of the utility model, be provided with the telescopic link along the axis of rotation direction between integral key shaft and the set casing, the integral key shaft is provided with cutter fixture in the outside one end of spline sleeve.
Compared with the prior art, the beneficial effects of the utility model are that: this a mechanism of punching for jack piston rod digit control machine tool adopts the mode of multijaw simultaneous movement, realizes the quick centre gripping and the location of piston rod cantilever end, and can guarantee the axiality of cutter and piston rod of punching, has increased the support of cantilever end simultaneously, has avoided the flexible deformation of piston rod to promote the degree of coincidence of the axis of punching and piston rod axis.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
fig. 4 is a sectional view of the present invention.
In the figure: the device comprises a positioning mechanism 1, a bevel gear disc 101, a clamping jaw 102, a first input shaft 103, a fixed shell 104, a 2-mounting mechanism, a 201-connecting body, a 202-mounting seat, a 3-power transmission mechanism, a main shaft 301, a second input shaft 302, a spline sleeve 303, a telescopic rod 304 and a spline shaft 305.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a mechanism of punching for jack piston rod digit control machine tool, including positioning mechanism 1, positioning mechanism 1 is including the fixed shell 104 of gyration shape, the one end terminal surface of fixed shell 104 sets up a plurality of groups clamping jaw 102 along radially sliding, clamping jaw 102 is annular array arrangement about the axis of gyration of fixed shell 104, the other end of fixed shell 104 passes through spherical hinge connection installation mechanism 2, positioning mechanism 1 and installation mechanism 2 are inside to be provided with power transmission mechanism 3 jointly, power transmission mechanism 3 includes main shaft 301 and spline sleeve 303, be provided with universal joint between main shaft 301 and the spline sleeve 303, universal joint's rotation centre of sphere overlaps with spherical hinge's centre of sphere, main shaft 301 and installation mechanism 2 coaxial rotation installation, spline sleeve 303 and the coaxial rotation installation of positioning mechanism 1, spline sleeve 303 is inside to slide along the axis and set up spline shaft 305.
The positioning mechanism 1 further comprises a bevel gear disc 101 and a first input shaft 103, the bevel gear disc 101 is coaxially and rotatably arranged inside the fixed shell 104, a bevel gear meshed with the bevel gear disc 101 is arranged at the end of the first input shaft 103, an annular spiral groove is formed in the back end face of the bevel gear disc 101, and spiral protrusions meshed with the spiral groove are arranged on the contact surface of the clamping jaw 102 and the bevel gear disc 101;
the first input shaft 103 drives the bevel gear plate 101 to rotate, and in the rotating process, the clamping jaws 102 are driven to slide along the radial direction, so that the clamping of the piston rod is realized, and the axes of the clamped piston rod are overlapped with the axis of the fixed shell 104 due to the fact that the movement speeds of the groups of clamping jaws 102 are the same.
The mounting mechanism 2 comprises a connecting body 201 and a mounting seat 202, one end of the connecting body 201 is fixedly mounted with the fixed shell 104, the other end of the connecting body 201 is coaxially provided with a spherical bulge, one end of the mounting seat 202 is provided with a spherical cover engaged with the spherical bulge, the rotating spherical center of the universal coupling is overlapped with the spherical center of the spherical bulge, the main shaft 301 is coaxially and rotatably mounted with the mounting seat 202, and the spline sleeve 303 is coaxially and rotatably mounted with the connecting body 201;
through the use of the spherical bulge and the universal coupling, when a certain included angle exists between the axes of the positioning mechanism 1 and the mounting mechanism 2, continuous power output can still be obtained.
The power transmission mechanism 3 further comprises a second input shaft 302, the second input shaft 302 is perpendicular to the main shaft 301, and a meshed bevel gear set is arranged between the second input shaft 302 and the main shaft 301;
the direction of the power input is changed by the second input shaft 302 which is vertically disposed, facilitating the arrangement of the overall power transmission line.
A telescopic rod 304 is provided between the spline shaft 305 and the fixed housing 104 in the direction of the rotation axis, and a tool holding mechanism is provided at one end of the spline shaft 305 outside the spline sleeve 303.
When in use: the first input shaft 103 and the second input shaft 302 are connected with a power shaft of a machine tool, when a piston rod is placed in the machine tool, the first input shaft 103 firstly carries out power input, the piston rod is clamped by the clamping jaw 102 and is enabled to be coaxial with a cutter, then the second input shaft 302 provides power input to drive the cutter to rotate for punching, and in the punching process, the telescopic rod 304 acts to control the axial feeding of the cutter.
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 (5)
1. The utility model provides a mechanism of punching for jack piston rod digit control machine tool, includes positioning mechanism (1), its characterized in that: the positioning mechanism (1) comprises a rotary fixed shell (104), a plurality of groups of clamping jaws (102) are arranged on one end face of the fixed shell (104) in a radial sliding mode, the clamping jaws (102) are arranged in an annular array mode about the rotary axis of the fixed shell (104), the other end of the fixed shell (104) is connected with the mounting mechanism (2) through a spherical hinge, a power transmission mechanism (3) is jointly arranged inside the positioning mechanism (1) and the mounting mechanism (2), the power transmission mechanism (3) comprises a main shaft (301) and a spline sleeve (303), a universal coupling is arranged between the main shaft (301) and the spline sleeve (303), the rotary spherical center of the universal coupling is overlapped with the spherical center of the spherical hinge, the main shaft (301) is coaxially and rotatably mounted with the mounting mechanism (2), and the spline sleeve (303) is coaxially and rotatably mounted with the positioning mechanism (1), a spline shaft (305) is arranged inside the spline sleeve (303) in a sliding mode along the axis.
2. The punching mechanism for jack piston rod numerical control machine tool according to claim 1, characterized in that: positioning mechanism (1) still includes awl fluted disc (101) and first input shaft (103), the coaxial rotation of awl fluted disc (101) sets up inside set casing (104), first input shaft (103) tip sets up the bevel gear with awl fluted disc (101) meshing, the back terminal surface of awl fluted disc (101) sets up annular helicla flute, the contact surface setting of clamping jaw (102) and awl fluted disc (101) is protruding with the spiral of helicla flute meshing.
3. The punching mechanism for jack piston rod numerical control machine tool according to claim 1, characterized in that: installation mechanism (2) are including connector (201) and mount pad (202), the one end and the set casing (104) fixed mounting of connector (201), the other end of connector (201) is coaxial to be set up spherical protruding, mount pad (202) one end sets up the spherical cover with spherical protruding meshing, universal joint's rotation centre of sphere overlaps with spherical protruding centre of sphere, main shaft (301) and mount pad (202) coaxial rotation installation, spline sleeve (303) and connector (201) coaxial rotation installation.
4. The punching mechanism for jack piston rod numerical control machine tool according to claim 1, characterized in that: the power transmission mechanism (3) further comprises a second input shaft (302), the second input shaft (302) is perpendicular to the main shaft (301), and a meshed bevel gear set is arranged between the second input shaft (302) and the main shaft (301).
5. The punching mechanism for jack piston rod numerical control machine tool according to claim 1, characterized in that: an expansion rod (304) is arranged between the spline shaft (305) and the fixed shell (104) along the direction of a rotation axis, and a cutter clamping mechanism is arranged at one end, located outside the spline sleeve (303), of the spline shaft (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022012767.XU CN213163180U (en) | 2020-09-15 | 2020-09-15 | Punching mechanism for numerical control machine tool of jack piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022012767.XU CN213163180U (en) | 2020-09-15 | 2020-09-15 | Punching mechanism for numerical control machine tool of jack piston rod |
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| Publication Number | Publication Date |
|---|---|
| CN213163180U true CN213163180U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022012767.XU Active CN213163180U (en) | 2020-09-15 | 2020-09-15 | Punching mechanism for numerical control machine tool of jack piston rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245599A (en) * | 2021-06-11 | 2021-08-13 | 四川航天长征装备制造有限公司 | Adjustable jig for drilling holes in uniformly distributed smooth holes of flange plates |
-
2020
- 2020-09-15 CN CN202022012767.XU patent/CN213163180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245599A (en) * | 2021-06-11 | 2021-08-13 | 四川航天长征装备制造有限公司 | Adjustable jig for drilling holes in uniformly distributed smooth holes of flange plates |
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