CN215588481U - Multi-station clamp of milling center - Google Patents
Multi-station clamp of milling center Download PDFInfo
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- CN215588481U CN215588481U CN202121587460.0U CN202121587460U CN215588481U CN 215588481 U CN215588481 U CN 215588481U CN 202121587460 U CN202121587460 U CN 202121587460U CN 215588481 U CN215588481 U CN 215588481U
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Abstract
The utility model provides a mill machining center multistation anchor clamps includes: a base, a lead screw, and a plurality of clamping plates; the base comprises a bottom plate and vertical plates arranged at the left end and the right end of the bottom plate respectively; two ends of the lead screw are respectively rotatably arranged on vertical plates at two ends of the base; a plurality of clamping plates are arranged between the two vertical plates at intervals; the screw rod is in threaded fit with one of the clamping plates and is used for driving the clamping plate to move left and right; the other clamping plates are movably sleeved on the screw rod through the through holes; and clamping grooves are formed in the upper parts of the clamping surfaces on the two sides of the clamping plate. The corresponding structure arranged on the clamping groove and used for clamping the workpiece improves the stability of workpiece clamping, and avoids the phenomenon that the part flies out due to the insufficient clamping force of the effective clamping surface; in addition, the utility model can clamp a plurality of workpieces at one time, and all the workpieces can be clamped only by clamping the workpieces between the adjacent clamping plates and driving one clamping plate to move through the lead screw.
Description
Technical Field
The utility model relates to the technical field of tool fixtures, in particular to a multi-station fixture of a milling center.
Background
In machining, milling is a common machining method. The milling forming has the characteristics of high dimensional accuracy, high processing efficiency and the like when a plane, a complex outline and an inner cavity are processed. But machining relies on the stability of blank, and anchor clamps must guarantee that the centre gripping is reliable, and the part location is accurate, guarantees that the part position can not vibrate or change in response to the cutting force in the course of working.
The existing milling center mainly adopts the traditional form of a vice matched with a sizing block to clamp a workpiece, and the workpiece is clamped by using a clamping surface of the vice. In the clamping mode of the traditional vice matched with the sizing block, if the clamping depth of a workpiece is not enough, the small clamping force of an effective clamping surface is easy to be insufficient, and the part can fly out due to milling under high speed and large feed. In addition, the clamping mode of the existing vice matched with the sizing block can only fix one part and process the part, and the clamp cannot fix a plurality of parts simultaneously, so that the clamp has certain limitation.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a multi-station clamp for a milling center, and aims to solve the technical problem.
In order to achieve the above object, the present invention provides a multi-station fixture for a milling center, comprising: a base, a lead screw, and a plurality of clamping plates; the base comprises a bottom plate and vertical plates arranged at the left end and the right end of the bottom plate respectively; two ends of the lead screw are respectively rotatably arranged on vertical plates at two ends of the base; a plurality of clamping plates are arranged between the two vertical plates at intervals; a clamping plate close to the left vertical plate or the right vertical plate is in threaded fit with the screw rod and is used for driving the clamping plate to move left and right; the other clamping plates are movably arranged on the screw rod through the through holes; and clamping grooves are formed in the upper parts of the clamping surfaces on the two sides of the clamping plate.
Preferably, a clamping groove is provided on the clamping surface of the riser.
Preferably, the clamping groove is a 45 ° dovetail configuration.
Preferably, at least one guide post is arranged between the two vertical plates, and a guide hole is arranged on the clamping plate and is in sliding fit with the guide post.
Preferably, a guide post mounting hole is formed in the vertical plate, two ends of the guide post are inserted into the guide post mounting hole, and the guide post and the vertical plate are tightly pressed through a set screw.
Preferably, the number of the guide posts is two, and the guide posts are distributed on two sides of the screw rod.
Preferably, a lead screw mounting hole is formed in the vertical plate; the screw rod comprises a threaded part and mounting parts arranged at two ends of the threaded part; the surface of the mounting part is a cylindrical surface; the installation part is rotatably installed on the lead screw installation hole.
Preferably, one end of the screw rod is provided with a rotating head, and the rotating head is in a hexagonal head structure.
Preferably, the rotating head, the threaded portion and the mounting portion are integrally formed.
Preferably, the upper base plate and the vertical plate of the base are manufactured in an integrated manner.
Compared with the prior art, the utility model has the following beneficial effects:
the corresponding structure arranged on the clamping groove and used for clamping the workpiece improves the stability of workpiece clamping, and avoids the phenomenon that the part flies out due to the insufficient clamping force of the effective clamping surface; in addition, the utility model can clamp a plurality of workpieces at one time, and all the workpieces can be clamped only by clamping the workpieces between the adjacent clamping plates and driving one clamping plate to move through the lead screw.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of a multi-station fixture of a milling center provided by the utility model;
FIG. 2 is a schematic structural view of a base according to the present invention;
FIG. 3 is a schematic view of the splint of the present invention;
FIG. 4 is a schematic view of the structure of the lead screw of the present invention;
FIG. 5 is a schematic structural view of a guide post according to the present invention;
description of reference numerals: 10-a base; 101-a base plate; 102-a riser; 103-guide post mounting holes; 104-screw holes; 105-lead screw mounting holes; 20-a lead screw; 201-a threaded portion; 202-a mounting portion; 203-rotating head; 30-clamping plates; 301-a through hole; 302-a pilot hole; 40-a guide post; 50-a clamping groove; 60-set screw.
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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
A multi-station clamp of a milling center comprises a base 10, a lead screw 20 and a plurality of clamping plates 30; the base 10 comprises a bottom plate 101 and vertical plates 102 arranged at the left end and the right end of the bottom plate 101 respectively; two ends of the screw rod 20 are respectively rotatably mounted on the vertical plates 102 at two ends of the base 10; a plurality of cleats 30 are spaced apart between the two risers 102; a clamp plate 30 adjacent to the left riser 102 or the right riser 102 is in threaded engagement with the lead screw 20 for driving the clamp plate 30 to move left and right; the rest clamping plates 30 are movably arranged on the screw rod 20 through the through holes 301, and the diameter of each through hole 301 is larger than the outer diameter of the thread on the screw rod 20, so that the rest clamping plates 30 can move along the axis of the screw rod 20; the clamping groove 50 is formed in the upper portion of the clamping face on the two sides of the clamping plate 30, the clamping structure corresponding to the clamping groove 50 is arranged on the workpiece, when the workpiece is clamped, the clamping structure on the workpiece is clamped in the clamping groove 50, the stability of workpiece clamping is improved, and the phenomenon that parts fly out due to the fact that the clamping force is small enough on the effective clamping face is avoided.
In this embodiment, the gripping groove 50 is also provided on the gripping surface of the riser 102. The clamping groove 50 is a 45-degree dovetail structure. Correspondingly, the clamping structure on the workpiece is also a 45 ° dovetail structure. During clamping, the dovetail structures on the workpiece are clamped on the clamping grooves 50 on the clamping plates 30 and the vertical plates 102.
In this embodiment, at least one guide post 40 is disposed between the two risers 102, and a guide hole 302 is disposed in the cleat 30, the guide hole 302 slidably engaging with the guide post 40. Specifically, the number of the guide posts 40 is two, and the guide posts are distributed on two sides of the screw rod 20. Through setting up guide post 40, can be so that the splint 30 remove about more steadily, can also play the positioning action to splint 30 simultaneously, guarantee the uniformity of each splint 30 position, improve the work piece clamping precision.
In this embodiment, a guide post mounting hole 103 is provided in the riser 102, both ends of the guide post 40 are inserted into the guide post mounting holes 103, and the guide post 40 and the riser 102 are tightened by a set screw 60. Specifically, a screw hole 104 is formed in the top of the vertical plate 102, the screw hole 104 is an M8 standard metric thread, the screw hole 104 is communicated to the guide post mounting hole 103, a straight groove is formed in the top of the set screw 60, the thread of the set screw 60 is an M8 standard metric thread, and the set screw 60 is mounted in the screw hole 104 and tightly supports the guide post 40 on the vertical plate 104.
In the present embodiment, a lead screw mounting hole 105 is provided in the vertical plate 102; the screw rod 20 comprises a threaded part 201 and mounting parts 202 arranged at two ends of the threaded part 201; the surface of the mounting portion 202 is a cylindrical surface; the mounting portion 202 is rotatably mounted on the lead screw mounting hole 105.
In this embodiment, a rotating head 203 is disposed at one end of the screw 20, and the rotating head 203 is a hexagonal head structure. A rotating head 203 is provided to facilitate rotation of the lead screw 20 to lock or unlock a workpiece.
In this embodiment, the rotating head 203, the threaded portion 201, and the mounting portion 202 are integrally formed. The upper bottom plate 101 and the vertical plate 102 of the base 10 are integrally formed. The integrated forming manufacturing is adopted, the structure is simple, and the processing and the preparation are convenient.
The clamping principle of the utility model for the workpiece is as follows: the workpieces are placed between the adjacent clamping plates 30 and between the clamping plates 30 and the vertical plate 102, the screw rod 20 is rotated, and the screw rod 20 drives one of the clamping plates 30 to move along the axial direction of the screw rod 20, so that the workpieces are clamped in sequence. Meanwhile, the clamping structure on the workpiece is also in a dovetail structure of 45 degrees. During clamping, the dovetail structures on the workpiece are clamped on the clamping grooves 50 on the clamping plates 30 and the vertical plates 102.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a mill machining center multistation anchor clamps which characterized in that: comprises a base (10), a screw rod (20) and a plurality of clamping plates (30);
the base (10) comprises a bottom plate (101) and vertical plates (102) arranged at the left end and the right end of the bottom plate (101) respectively;
two ends of the lead screw (20) are respectively and rotatably arranged on vertical plates (102) at two ends of the base (10);
a plurality of splints (30) spaced apart between two risers (102);
a clamping plate (30) close to the left vertical plate (102) or the right vertical plate (102) is in threaded fit with the screw rod (20) for driving the clamping plate (30) to move left and right; the other clamping plates (30) are movably arranged on the screw rod (20) through holes (301);
clamping grooves (50) are formed in the upper portions of the clamping surfaces on the two sides of the clamping plate (30).
2. The multi-station clamp for the milling center of claim 1, wherein: a clamping groove (50) is formed in the clamping surface of the vertical plate (102).
3. The multi-station clamp for the milling center according to claim 1 or 2, wherein: the clamping groove (50) is of a 45-degree dovetail structure.
4. The multi-station clamp for the milling center of claim 1, wherein: at least one guide post (40) is arranged between the two vertical plates (102), a guide hole (302) is arranged on the clamping plate (30), and the guide hole (302) is in sliding fit with the guide post (40).
5. The multi-station clamp for the milling center of claim 4, wherein: the vertical plate (102) is provided with a guide post mounting hole (103), two ends of the guide post (40) are inserted into the guide post mounting hole (103), and the guide post (40) and the vertical plate (102) are tightly pressed through a set screw (60).
6. The multi-station clamp for the milling center of claim 4, wherein: the number of the guide columns (40) is two, and the guide columns are distributed on two sides of the screw rod (20).
7. The multi-station clamp for the milling center of claim 1, wherein: a lead screw mounting hole (105) is formed in the vertical plate (102); the screw rod (20) comprises a threaded part (201) and mounting parts (202) arranged at two ends of the threaded part (201); the surface of the mounting part (202) is a cylindrical surface; the mounting portion (202) is rotatably mounted on the lead screw mounting hole (105).
8. The multi-station clamp for the milling center of claim 7, wherein: one end of the screw rod (20) is provided with a rotating head (203), and the rotating head (203) is of a hexagonal head structure.
9. The multi-station clamp for the milling center of claim 8, wherein: the rotating head (203), the threaded part (201) and the mounting part (202) are manufactured in an integrated mode.
10. The multi-station clamp for the milling center of claim 1, wherein: the upper bottom plate (101) and the vertical plate (102) of the base (10) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121587460.0U CN215588481U (en) | 2021-07-13 | 2021-07-13 | Multi-station clamp of milling center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121587460.0U CN215588481U (en) | 2021-07-13 | 2021-07-13 | Multi-station clamp of milling center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215588481U true CN215588481U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121587460.0U Active CN215588481U (en) | 2021-07-13 | 2021-07-13 | Multi-station clamp of milling center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215588481U (en) |
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2021
- 2021-07-13 CN CN202121587460.0U patent/CN215588481U/en active Active
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