CN213470415U - Tool loosening mechanism for main shaft of machining center - Google Patents
Tool loosening mechanism for main shaft of machining center Download PDFInfo
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- CN213470415U CN213470415U CN202022650415.7U CN202022650415U CN213470415U CN 213470415 U CN213470415 U CN 213470415U CN 202022650415 U CN202022650415 U CN 202022650415U CN 213470415 U CN213470415 U CN 213470415U
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Abstract
The utility model discloses a machining center main shaft cutter loosening mechanism, wherein a chuck rod is connected with a locking ball and covers the outer side of a movable part, the locking ball is clamped on the concave hole of a machining cutter to be fixed, a pressurizing cylinder piston is operated to press down, a connecting block drives a pull rod to move downwards, the length of the bottom edge of the movable part is greater than that of the bottom edge of the chuck rod, the bottom edge of the movable part is supported and opened, the chuck rod is clamped by the locking ball, the locking block compresses the locking block to move away the concave hole, the machining cutter can be disassembled, the pressurizing cylinder piston retreats to drive the movable part to move backwards when the machining cutter is assembled, the chuck rod contracts, the locking ball clamps the concave hole, and meanwhile, the expansion spring recovers elasticity to drive the locking block to extrude the locking ball, so that the locking force is enhanced, and the stability of the fixing of the machining cutter is ensured, the safety is improved.
Description
Technical Field
The utility model relates to a machining center technical field especially relates to a machining center main shaft knife loosening mechanism.
Background
The numerical control machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts. The numerical control machining center is one of numerical control machines with highest yield and most extensive application in the world at present, and integrates the functions of milling, boring, drilling, tapping, cutting threads and the like on one device, so that the numerical control machining center has multiple technological means, and therefore, the numerical control machining center is widely applied to machining occasions.
When the cutter is replaced in the machining center, the cutter loosening mechanism on the main shaft mainly works, and after the cutter is replaced, the existing cutter loosening mechanism cannot fix the cutter stably enough, so that the safety is insufficient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a machining center main shaft pine sword mechanism aims at solving the change cutter among the prior art after, and is firm inadequately to the cutter is fixed, the not enough technical problem of security.
In order to achieve the purpose, the utility model discloses a machining center main shaft cutter loosening mechanism, which comprises a mechanism body, a pressurizing cylinder, a locking component and a machining cutter;
the mechanism body is provided with an accommodating cavity, the accommodating cavity is positioned inside the mechanism body, the supercharging cylinder is fixedly connected with the mechanism body, the locking component is rotatably connected with the mechanism body, and the machining cutter is detachably connected with the locking component;
the locking assembly comprises a connecting block, a pull rod, a moving part, a chuck rod, a locking ball, a telescopic spring and a locking block, the connecting block is connected with the mechanism body in a sliding manner and is positioned in the accommodating cavity, the pull rod is fixedly connected with the connecting block and is positioned in the accommodating cavity, the moving part is fixedly connected with the pull rod and is positioned on one side of the pull rod away from the connecting block, the chuck rod is fixedly connected with the mechanism body and is positioned on one side of the mechanism body close to the moving part, the locking ball is fixedly connected with the chuck rod and is positioned on one side of the chuck rod away from the mechanism body, one side of the telescopic spring is fixedly connected with the mechanism body, the other side of the telescopic spring is fixedly connected with the locking block and is positioned on one side of the mechanism body close to the locking ball, and a piston of the pressurizing cylinder is fixedly connected with the connecting block, and the processing cutter is clamped with the locking ball and positioned on one side of the locking ball far away from the mechanism body.
The machining tool is provided with a concave hole, and the concave hole is located on one side, close to the locking ball, of the machining tool.
The locking balls comprise a left locking ball and a right locking ball, and the left locking ball and the right locking ball are symmetrically arranged along the axial center line of the pull rod respectively.
The mechanism body is provided with a groove, and the groove is located on one side, close to the telescopic spring, of the mechanism body.
The tool loosening mechanism for the main shaft of the machining center further comprises a sliding bearing, the sliding bearing is fixedly connected with the mechanism body and is located on one side, away from the moving part, of the mechanism body, and the outer wall of the pull rod is sleeved with the sliding bearing.
The utility model discloses a machining center main shaft cutter loosening mechanism, through the mechanism body the holding cavity is installed the connecting block, the pull rod is connected the moving part on the connecting block, the chuck rod is connected the locking ball in the holding cavity and is wrapped in the outside of the moving part, the shrinkage pool of the machining tool is fixed by the locking ball clamping, the supercharged air cylinder piston is fixedly connected with the connecting block, when the operation is pushed down, the connecting block drives the pull rod to move down, the length of the bottom edge of the moving part is greater than that of the bottom edge of the chuck rod, the moving part moves down, the bottom edge is supported and opened the chuck rod, the locking ball moves towards the groove, the locking block is compressed, the shrinkage pool is removed, the machining tool can be disassembled, when the machining tool is assembled, the supercharged air cylinder retreats, drive the moving part removes backward, the chuck pole contracts, locking ball chucking the shrinkage pool, simultaneously expanding spring resumes elasticity, drives the locking piece removes, extrudees the locking ball, strengthens the locking force, ensures the fixed steadiness of processing cutter improves the security.
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 these drawings without creative efforts.
Fig. 1 is a front view and a half sectional view of the tool releasing mechanism of the main shaft of the machining center of the present invention.
Fig. 2 is an enlarged view of the structure at a in fig. 1 of the present invention.
1-a mechanism body, 2-a pressurized cylinder, 3-a machining tool, 4-a sliding bearing, 10-a locking assembly, 11-a connecting block, 12-a pull rod, 13-a moving part, 14-a chuck rod, 15-a locking ball, 16-a telescopic spring, 17-a locking block, 100-a machining center spindle tool loosening mechanism, 101-an accommodating cavity, 102-a groove, 151-a left locking ball, 152-a right locking ball and 301-a concave hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and 2, the utility model provides a machining center spindle cutter loosening mechanism 100, which comprises a mechanism body 1, a pressurizing cylinder 2, a locking component 10 and a machining cutter 3;
the mechanism body 1 is provided with an accommodating cavity 101, the accommodating cavity 101 is positioned inside the mechanism body 1, the supercharging cylinder 2 is fixedly connected with the mechanism body 1, the locking component 10 is rotatably connected with the mechanism body 1, and the machining tool 3 is detachably connected with the locking component 10;
the locking assembly 10 comprises a connecting block 11, a pull rod 12, a moving part 13, a chuck rod 14, a locking ball 15, a telescopic spring 16 and a locking block 17, wherein the connecting block 11 is slidably connected with the mechanism body 1 and is positioned in the accommodating cavity 101, the pull rod 12 is fixedly connected with the connecting block 11 and is positioned in the accommodating cavity 101, the moving part 13 is fixedly connected with the pull rod 12 and is positioned at one side of the pull rod 12 far away from the connecting block 11, the chuck rod 14 is fixedly connected with the mechanism body 1 and is positioned at one side of the mechanism body 1 close to the moving part 13, the locking ball 15 is fixedly connected with the chuck rod 14 and is positioned at one side of the chuck rod 14 far away from the mechanism body 1, one side of the telescopic spring 16 is fixedly connected with the mechanism body 1, and the other side of the telescopic spring 16 is fixedly connected with the locking block 17, and is located mechanism body 1 is close to one side of locking ball 15, the piston of pressurized cylinder 2 with connecting block 11 fixed connection is and is located connecting block 11 keeps away from one side of mechanism body 1, processing cutter 3 with locking ball 15 block, and is located locking ball 15 keeps away from one side of mechanism body 1.
In this embodiment, the connecting block 11 is installed in the accommodating cavity 101 of the mechanism body 1, the connecting block 11 has a protrusion, and is disposed in cooperation with the mechanism body 1 and can slide on the mechanism body 1, the pull rod 12 is connected to the moving member 13 on the connecting block 11, the chuck rod 14 is in an inverted cone shape, is connected to the locking ball 15 in the accommodating cavity 101, is fixed by clamping the processing tool 3 with the locking ball 15, and is disposed around the moving member 13, the piston of the boost cylinder 2 is fixedly connected to the connecting block 11, when the boost cylinder 2 obtains a spindle loosening signal, the piston moves downward to push the connecting block 11, so as to drive the pull rod 12 and the moving member 13 to move downward, and the length of the bottom edge of the moving member 13 is greater than that of the chuck rod 14, moving part 13 supports down and opens chuck pole 14, and then locking ball 15 moves to both sides, expanding spring 16 connects the latch segment 17 is in the both sides of locking ball 15, the latch segment 17 cooperation locking ball 15 sets up, is convenient for compressed, locking ball 15 moves away from processing cutter 3 makes processing cutter 3 can dismantle, during the assembly cutter, 2 pistons of pressurized cylinder retreat, connecting block 11 moves up, drives pull rod 12 with moving part 13 makes progress, lose power in the middle of the chuck pole 14, lean on the shrink of material pretightning force, locking ball 15 to processing cutter 3 moves, fixes, and simultaneously expanding spring 16 resumes elasticity, drives latch segment 17 is forward, the chucking locking ball 15, the reinforcing processing is fixed firm, improves the security.
Further, referring to fig. 2, the processing tool 3 has a concave hole 301, and the concave hole 301 is located on a side of the processing tool 3 close to the locking ball 15.
In this embodiment, processing cutter 3 has shrinkage pool 301 with locking ball 15 cooperation sets up, leans on locking ball 15 gets into it is fixed in the shrinkage pool 301 processing cutter 3 fixes, and the guarantee is fixed firm, is favorable to improving the security.
Further, referring to fig. 2, the locking ball 15 includes a left locking ball 151 and a right locking ball 152, and the left locking ball 151 and the right locking ball 152 are symmetrically disposed along an axial center line of the pull rod 12, respectively.
In this embodiment, left locking ball 151 with right locking ball 152 block respectively into machining tool 3 in the shrinkage pool 301, make firm fixed machining tool 3, the guarantee equilibrium improves fixed steadiness, is favorable to improving the security.
Further, referring to fig. 1, the mechanism body 1 has a groove 102, and the groove 102 is located on a side of the mechanism body 1 close to the extension spring 16.
In this embodiment, recess 102 of mechanism body 1 is relative locking ball 15 moving direction sets up, supplies when supercharge cylinder 2 piston pushed down, locking ball 15 removes the use, is provided with simultaneously expanding spring 16, expanding spring 16 connects latch segment 17 when locking ball 15 resumes the locking state, expanding spring 16 compresses latch segment 17 is right locking ball 15 carries out the block locking, strengthens the locking steadiness, is favorable to improving the security.
Further, referring to fig. 1, the machining center spindle unclamping mechanism 100 further includes a sliding bearing 4, where the sliding bearing 4 is fixedly connected to the mechanism body 1, is located on one side of the mechanism body 1 away from the movable member 13, and is sleeved on an outer wall of the pull rod 12.
In this embodiment, slide bearing 4 cover is established the outer wall of pull rod 12 supplies pull rod 12 slides to fix through the bearing frame hold in the chamber 101, the guarantee the firm and balanced of pull rod 12 operation promotes better the operation of loosing the sword, and user experience feels better.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (5)
1. A tool loosening mechanism for a main shaft of a machining center is characterized by comprising a mechanism body, a pressurizing cylinder, a locking assembly and a machining tool;
the mechanism body is provided with an accommodating cavity, the accommodating cavity is positioned inside the mechanism body, the supercharging cylinder is fixedly connected with the mechanism body, the locking component is rotatably connected with the mechanism body, and the machining cutter is detachably connected with the locking component;
the locking assembly comprises a connecting block, a pull rod, a moving part, a chuck rod, a locking ball, a telescopic spring and a locking block, the connecting block is connected with the mechanism body in a sliding manner and is positioned in the accommodating cavity, the pull rod is fixedly connected with the connecting block and is positioned in the accommodating cavity, the moving part is fixedly connected with the pull rod and is positioned on one side of the pull rod away from the connecting block, the chuck rod is fixedly connected with the mechanism body and is positioned on one side of the mechanism body close to the moving part, the locking ball is fixedly connected with the chuck rod and is positioned on one side of the chuck rod away from the mechanism body, one side of the telescopic spring is fixedly connected with the mechanism body, the other side of the telescopic spring is fixedly connected with the locking block and is positioned on one side of the mechanism body close to the locking ball, and a piston of the pressurizing cylinder is fixedly connected with the connecting block, and the processing cutter is clamped with the locking ball and positioned on one side of the locking ball far away from the mechanism body.
2. The machining center spindle unclamping mechanism of claim 1,
the processing cutter is provided with a concave hole, and the concave hole is positioned on one side of the processing cutter close to the locking ball.
3. The machining center spindle unclamping mechanism of claim 1,
the locking balls comprise a left locking ball and a right locking ball, and the left locking ball and the right locking ball are symmetrically arranged along the axial center line of the pull rod respectively.
4. The machining center spindle unclamping mechanism of claim 1,
the mechanism body is provided with a groove, and the groove is positioned on one side, close to the telescopic spring, of the mechanism body.
5. The machining center spindle unclamping mechanism of claim 1,
the machining center spindle cutter loosening mechanism further comprises a sliding bearing, the sliding bearing is fixedly connected with the mechanism body and is located on one side, away from the moving part, of the mechanism body, and the outer wall of the pull rod is sleeved with the sliding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022650415.7U CN213470415U (en) | 2020-11-16 | 2020-11-16 | Tool loosening mechanism for main shaft of machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022650415.7U CN213470415U (en) | 2020-11-16 | 2020-11-16 | Tool loosening mechanism for main shaft of machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213470415U true CN213470415U (en) | 2021-06-18 |
Family
ID=76356215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022650415.7U Active CN213470415U (en) | 2020-11-16 | 2020-11-16 | Tool loosening mechanism for main shaft of machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213470415U (en) |
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2020
- 2020-11-16 CN CN202022650415.7U patent/CN213470415U/en active Active
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