CN216503674U - Positioning device for drilling and milling machine - Google Patents
Positioning device for drilling and milling machine Download PDFInfo
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- CN216503674U CN216503674U CN202123378288.0U CN202123378288U CN216503674U CN 216503674 U CN216503674 U CN 216503674U CN 202123378288 U CN202123378288 U CN 202123378288U CN 216503674 U CN216503674 U CN 216503674U
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Abstract
The utility model provides a positioning device for a drilling and milling machine, which comprises a base, a first pre-tightening assembly, a second pre-tightening assembly and a locking assembly, wherein the first pre-tightening assembly comprises a first pre-tightening cylinder, a second pre-tightening cylinder, a third pre-tightening cylinder and a fourth pre-tightening cylinder; the second pre-tightening assembly comprises a positioning block and a pull cylinder, and when the workpiece is fixed on the base, push plates of the positioning block and the pull cylinder are respectively abutted against two opposite end faces of the workpiece; the locking assembly comprises a plurality of locking cylinders, and when the workpiece is fixed on the base, the push plates of the locking cylinders on two sides of the central axis of the base are respectively abutted against two opposite side faces of the workpiece. The positioning device for the milling and drilling machine can quickly position the workpiece.
Description
Technical Field
The utility model relates to the technical field of workpiece machining, in particular to a positioning device for a milling and drilling machine.
Background
Milling and drilling machines are commonly used for drilling, grooving and other operations on the surface of a workpiece. The workpiece is fixed on the drilling and milling machine through the clamping table-board, in the prior art, the clamping table-board of the drilling and milling machine is usually operated manually, when the length of the workpiece is too long or the quality of the workpiece is heavier, when the workpiece is fixed by using the clamping table-board, longer time is consumed, the downtime of the drilling and milling machine is longer, and great influence is generated on the production efficiency and the production cost.
Therefore, a new positioning device for a milling and drilling machine is needed to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
According to an embodiment of the present invention, there is provided a positioning device for a milling and drilling machine to enable rapid positioning of a workpiece.
In one aspect of the embodiment of the utility model, a positioning device for a drilling and milling machine is provided, which comprises a base, a first pre-tightening assembly, a second pre-tightening assembly and a locking assembly, wherein the base has a predetermined length, the first pre-tightening assembly comprises a first pre-tightening cylinder, a second pre-tightening cylinder, a third pre-tightening cylinder and a fourth pre-tightening cylinder, the first pre-tightening cylinder and the second pre-tightening cylinder are both fixed at one end of the base, the third pre-tightening cylinder and the fourth pre-tightening cylinder are both fixed at the other end of the base, piston rods of the first pre-tightening cylinder, the second pre-tightening cylinder, the third pre-tightening cylinder and the fourth pre-tightening cylinder are all provided with push plates, when piston rods of the first pre-tightening cylinder and the third pre-tightening cylinder are completely extended, the end surfaces of the push plates of the piston rods of the two piston rods are in the same horizontal plane, and when the piston rods of the second pre-tightening cylinder and the fourth pre-tightening cylinder are completely extended, the end surfaces of the piston rod push plates of the first pre-tightening cylinder and the third pre-tightening cylinder and the push plates of the second pre-tightening cylinder and the fourth pre-tightening cylinder are positioned on the same horizontal plane, and when a workpiece is fixed on the base, the push plates of the first pre-tightening cylinder and the third pre-tightening cylinder and the push plates of the second pre-tightening cylinder and the fourth pre-tightening cylinder are respectively abutted against two opposite side surfaces of the workpiece;
the second pre-tightening assembly comprises a positioning block and a pulling cylinder, the positioning block and the pulling cylinder are respectively arranged at two opposite ends of the base, a piston rod of the pulling cylinder is provided with a push plate, and when the workpiece is fixed on the base, the push plates of the positioning block and the pulling cylinder are respectively abutted against two opposite end faces of the workpiece;
the locking assembly comprises a plurality of locking cylinders which are all fixed on the base, the locking cylinders are arranged on two sides of the central axis of the base respectively in a plurality of pushing plates arranged on piston rods of the locking cylinders, and when the workpiece is fixed on the base, the pushing plates of the locking cylinders on two sides of the central axis of the base are respectively abutted against two opposite side faces of the workpiece.
According to an aspect of the embodiment of the present invention, the locking assembly includes a first locking cylinder, a second locking cylinder, a third locking cylinder, and a fourth locking cylinder, the first locking cylinder and the third locking cylinder are fixed to one side of the central axis of the base, and the second locking cylinder and the fourth locking cylinder are fixed to the other side of the central axis of the base.
According to an aspect of an embodiment of the present invention, further comprising a drilling assembly having a drill bit, the drill bit of the drilling assembly facing the upper surface of the workpiece.
According to an aspect of the embodiment of the present invention, the drilling assembly includes a longitudinal driving assembly and a main shaft, the longitudinal driving assembly is connected with the base, the main shaft is connected with the longitudinal driving assembly, the drill bit is connected with the main shaft, and the longitudinal driving assembly can drive the main shaft to move up and down.
According to an aspect of the embodiment of the present invention, the drilling assembly further includes a transverse driving assembly, the longitudinal driving assembly is connected to the base through the transverse driving assembly, and the transverse driving assembly can drive the longitudinal driving assembly to move along a central axis of the base.
According to an aspect of the embodiment of the present invention, the positioning block and the push plate of the pull cylinder both protrude from the upper surface of the base.
According to the positioning device for the milling and drilling machine, a workpiece is placed on the base, the first pre-tightening cylinder, the second pre-tightening cylinder, the third pre-tightening cylinder and the fourth pre-tightening cylinder are started, the push plates at the front ends of the four piston rods move towards the direction close to the workpiece until the four push plates are respectively abutted against two opposite side faces of the workpiece, and therefore two sides of the workpiece are pre-tightened; then, a second pre-tightening assembly is started, a pull cylinder of the second pre-tightening assembly drives a push plate to approach the positioning plate until the workpiece is abutted against the positioning plate, so that two ends of the workpiece are pre-tightened to complete positioning of the workpiece; and finally, starting the locking assembly, wherein the locking cylinder of the locking assembly drives the push plate to move towards the workpiece until two opposite side surfaces of the workpiece are abutted, so that the workpiece is locked and fixed. The positioning device for the milling and drilling machine does not need to manually position and lock the workpiece, can quickly position and lock the workpiece with heavier mass or longer length, and is time-saving and labor-saving.
Drawings
The above and other features, advantages and aspects of various embodiments of the present invention will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:
FIG. 1 is a perspective view of a positioning device for a milling and drilling machine provided by an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a side view of FIG. 2;
fig. 4 is a top view of fig. 2.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:
the device comprises a longitudinal driving assembly 1, a main shaft 2, a workpiece 3, a positioning block 4, a cylinder 5, a stand column 6, a base 7, a transverse driving assembly 8, a first pre-tightening cylinder 9, a first locking cylinder 10, a third locking cylinder 11, a third pre-tightening cylinder 12, a second pre-tightening cylinder 13, a second locking cylinder 14, a fourth locking cylinder 15 and a fourth pre-tightening cylinder 16.
Detailed Description
For better understanding of the present invention, a positioning device for a milling and drilling machine according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.
As shown in fig. 1 to 4, an embodiment of the present invention provides a positioning device for a drilling and milling machine, including a base 7, a first pre-tightening assembly, a second pre-tightening assembly, and a locking assembly, where the base 7 has a predetermined length, the first pre-tightening assembly includes a first pre-tightening cylinder 9, a second pre-tightening cylinder 13, a third pre-tightening cylinder 12, and a fourth pre-tightening cylinder 16, the first pre-tightening cylinder 9 and the second pre-tightening cylinder 13 are both fixed at one end of the base 7, the third pre-tightening cylinder 12 and the fourth pre-tightening cylinder 16 are both fixed at the other end of the base 7, piston rods of the first pre-tightening cylinder 9, the second pre-tightening cylinder 13, the third pre-tightening cylinder 12, and the fourth pre-tightening cylinder 16 all have push plates, when piston rods of the first pre-tightening cylinder 9 and the third pre-tightening cylinder 12 are fully extended, end surfaces of the push plates of the piston rods of the two piston rods are in the same horizontal plane, and when piston rods of the second pre-tightening cylinder 13 and the fourth pre-tightening cylinder 16 are fully extended, the end surfaces of the piston rod push plates are positioned on the same horizontal plane, and when a workpiece is fixed on the base 7, the push plates of the first pre-tightening cylinder 9 and the third pre-tightening cylinder 12 and the push plates of the second pre-tightening cylinder 13 and the fourth pre-tightening cylinder 16 are respectively abutted against two opposite side surfaces of the workpiece. Alternatively, the first pretensioning cylinder 9 and the second pretensioning cylinder 13 may be symmetrically arranged on both sides of the central axis of the base 7, and the first pretensioning cylinder 9 and the second pretensioning cylinder 13, or the third pretensioning cylinder 12 and the fourth pretensioning cylinder 16 may be symmetrically arranged on both sides of the central axis of the base 7. The elongation of the piston rods of the first pretensioning cylinder 9, the second pretensioning cylinder 13, the third pretensioning cylinder 12 and the fourth pretensioning cylinder 16 can be equal.
The second pre-tightening assembly comprises a positioning block 4 and a pulling cylinder 5, the pulling cylinder 5 consists of an air cylinder and a piston rod, the positioning block 4 and the pulling cylinder 5 are oppositely arranged at two ends of a base 7 respectively, a push plate is arranged on the piston rod of the pulling cylinder 5, and when a workpiece is fixed on the base 7, the push plates of the positioning block 4 and the pulling cylinder 5 are abutted to two opposite end faces of the workpiece respectively.
Locking Assembly includes a plurality of locking cylinders, and a plurality of locking cylinders are all fixed on base 7 to a plurality of locking cylinders all have the push pedal in the both sides of base 7 axis respectively on a plurality of locking cylinders's piston rod, and when the work piece was fixed on base 7, the push pedal of the locking cylinder of base 7's axis both sides respectively with two relative side butts of work piece. The extension amounts of the piston rods of the plurality of locking cylinders may be equal.
According to the positioning device for the milling and drilling machine, disclosed by the embodiment of the utility model, the workpiece 3 is placed on the base 7, the first pre-tightening cylinder 9, the second pre-tightening cylinder 13, the third pre-tightening cylinder 12 and the fourth pre-tightening cylinder 16 are started, and the push plates at the front ends of the four piston rods move towards the direction close to the workpiece 3 until the four push plates are respectively abutted against two opposite side surfaces of the workpiece 3, so that two sides of the workpiece 3 are pre-tightened; then, the second pre-tightening assembly is started, the pull cylinder 5 of the second pre-tightening assembly drives the push plate to approach the positioning plate until the workpiece 3 is abutted against the positioning plate, so that the two ends of the workpiece 3 are pre-tightened, and the positioning of the workpiece 3 is completed; and finally, starting the locking assembly, wherein the locking cylinder of the locking assembly drives the push plate to move towards the workpiece 3 until two opposite side surfaces of the workpiece 3 are abutted, so that the workpiece 3 is locked and fixed. The positioning device for the milling and drilling machine does not need to manually position and lock the workpiece 3, can quickly position and lock the workpiece 3 with heavier mass or longer length, and is time-saving and labor-saving.
In some optional embodiments, the locking assembly includes a first locking cylinder 10, a second locking cylinder 14, a third locking cylinder 11, and a fourth locking cylinder 15, the first locking cylinder 10 and the third locking cylinder 11 are fixed to one side of the central axis of the base 7 and spaced apart from each other, and the second locking cylinder 14 and the fourth locking cylinder 15 are fixed to the other side of the central axis of the base 7 and spaced apart from each other. Two locking cylinders are respectively arranged on two sides of the workpiece 3, so that the workpiece 3 can be stably fixed on the base 7, and the thrust on two sides of the workpiece 3 can be balanced. Alternatively, the first locking cylinder 10 and the second locking cylinder 14 may be disposed opposite to each other on both sides of the central axis of the base 7, and the third locking cylinder 11 and the fourth locking cylinder 15 may be disposed opposite to each other on both sides of the central axis of the base 7.
Optionally, the first pre-tightening cylinder 9, the second pre-tightening cylinder 13, the third pre-tightening cylinder 12, the fourth pre-tightening cylinder 16, the first locking cylinder 10, the second locking cylinder 14, the third locking cylinder 11 and the fourth locking cylinder 15 may be cylinders with the same model, type and working parameters, and two sides of the central axis of the base 7 are opposite to each other and arranged opposite to each other, so that the thrust on two sides of the workpiece can be balanced.
In some alternative embodiments, the drilling assembly is further comprised, and the drilling assembly is provided with a drill head, the drill head of the drilling assembly faces the upper surface of the workpiece, and the drilling assembly is used for drilling operation on the surface of the workpiece 3.
Further, the drilling assembly comprises a longitudinal driving assembly 1 and a main shaft 2, the longitudinal driving assembly 1 is connected with the base 7, the main shaft 2 is connected with the longitudinal driving assembly 1, the drill bit is connected to the main shaft 2, and the longitudinal driving assembly 1 can drive the main shaft 2 to move up and down. The longitudinal driving assembly 1 drives the main shaft 2 to move up and down, so that the drilling operation is completed.
Optionally, the longitudinal driving assembly 1 may include an upright 6, a servo motor and a screw mechanism, the upright 6 may be disposed on the base 7, the servo motor is fixedly connected to the upright 6, the spindle 2 is slidably connected to the upright 6, the spindle 2 is connected to a screw nut, a driving end of the servo motor is connected to a screw rod coupled to the screw nut, the screw rod on the spindle 2 is driven by a screw rod on the servo motor, so as to achieve up-and-down movement of the spindle 2.
Further, the drilling component further comprises a transverse driving component 8, the longitudinal driving component 1 is connected with the base 7 through the transverse driving component 8, and the transverse driving component 8 can drive the longitudinal driving component 1 to move along the direction of the central axis of the base 7, so that the main shaft 2 can be driven to move along the direction of the central axis of the base 7, and drilling is performed at different positions of the top surface of the workpiece 3.
Optionally, the transverse driving assembly 8 may include a moving block, a servo motor and a screw mechanism, wherein the servo motor is fixedly connected to the base 7, the moving block is slidably connected to the base 7, the column 6 is fixed to the moving block, a screw nut is connected to the moving block, a driving end of the servo motor is connected to a screw rod which is connected to the screw nut in a matching manner, and the screw rod on the servo motor drives the screw nut on the moving block, so that the column 6 can move back and forth.
In some alternative embodiments, the push plates of the positioning block 4 and the pulling cylinder 5 both protrude from the upper surface of the base 7, so that the workpiece 3 can be stably fixed on the base 7.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A positioning device for a drilling and milling machine is characterized by comprising a base, a first pre-tightening assembly, a second pre-tightening assembly and a locking assembly, wherein the base is of a preset length, the first pre-tightening assembly comprises a first pre-tightening cylinder, a second pre-tightening cylinder, a third pre-tightening cylinder and a fourth pre-tightening cylinder, the first pre-tightening cylinder and the second pre-tightening cylinder are fixed at one end of the base, the third pre-tightening cylinder and the fourth pre-tightening cylinder are fixed at the other end of the base, piston rods of the first pre-tightening cylinder, the second pre-tightening cylinder, the third pre-tightening cylinder and the fourth pre-tightening cylinder are respectively provided with a push plate, when piston rods of the first pre-tightening cylinder and the third pre-tightening cylinder are completely extended out, the end faces of the piston rod push plates of the first pre-tightening cylinder and the third pre-tightening cylinder are positioned on the same horizontal plane, and when the piston rods of the second pre-tightening cylinder and the fourth pre-tightening cylinder are completely extended out, the end surfaces of the piston rod push plates are positioned on the same horizontal plane, and when a workpiece is fixed on the base, the push plates of the first pre-tightening cylinder and the third pre-tightening cylinder and the push plates of the second pre-tightening cylinder and the fourth pre-tightening cylinder are respectively abutted against two opposite side surfaces of the workpiece;
the second pre-tightening assembly comprises a positioning block and a pulling cylinder, the positioning block and the pulling cylinder are respectively arranged at two opposite ends of the base, a piston rod of the pulling cylinder is provided with a push plate, and when the workpiece is fixed on the base, the push plates of the positioning block and the pulling cylinder are respectively abutted against two opposite end faces of the workpiece;
the locking assembly comprises a plurality of locking cylinders which are all fixed on the base, the locking cylinders are arranged on two sides of the central axis of the base respectively in a plurality of pushing plates arranged on piston rods of the locking cylinders, and when the workpiece is fixed on the base, the pushing plates of the locking cylinders on two sides of the central axis of the base are respectively abutted against two opposite side faces of the workpiece.
2. The positioning device for the milling and drilling machine according to claim 1, wherein the locking assembly comprises a first locking cylinder, a second locking cylinder, a third locking cylinder and a fourth locking cylinder, the first locking cylinder and the third locking cylinder are fixed on one side of the central axis of the base, and the second locking cylinder and the fourth locking cylinder are fixed on the other side of the central axis of the base.
3. The positioning device for a milling and drilling machine of claim 1 further comprising a drilling assembly having a drill bit directed toward the upper surface of the workpiece.
4. The positioning device for the milling and drilling machine as claimed in claim 3, wherein the drilling assembly comprises a longitudinal driving assembly and a main shaft, the longitudinal driving assembly is connected with the base, the main shaft is connected with the longitudinal driving assembly, the drill bit is connected with the main shaft, and the longitudinal driving assembly can drive the main shaft to move up and down.
5. The positioning device for the milling and drilling machine according to claim 4, wherein the drilling assembly further comprises a transverse driving assembly, the longitudinal driving assembly is connected with the base through the transverse driving assembly, and the transverse driving assembly can drive the longitudinal driving assembly to move along the direction of the central axis of the base.
6. The positioning device for the milling and drilling machine as claimed in claim 1, wherein the positioning block and the push plate of the pulling cylinder both protrude from the upper surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123378288.0U CN216503674U (en) | 2021-12-29 | 2021-12-29 | Positioning device for drilling and milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123378288.0U CN216503674U (en) | 2021-12-29 | 2021-12-29 | Positioning device for drilling and milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216503674U true CN216503674U (en) | 2022-05-13 |
Family
ID=81514437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123378288.0U Active CN216503674U (en) | 2021-12-29 | 2021-12-29 | Positioning device for drilling and milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216503674U (en) |
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2021
- 2021-12-29 CN CN202123378288.0U patent/CN216503674U/en active Active
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