CN112122981A - Cutter clamping mechanism for tool magazine of numerical control machine tool - Google Patents
Cutter clamping mechanism for tool magazine of numerical control machine tool Download PDFInfo
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- CN112122981A CN112122981A CN202011103860.XA CN202011103860A CN112122981A CN 112122981 A CN112122981 A CN 112122981A CN 202011103860 A CN202011103860 A CN 202011103860A CN 112122981 A CN112122981 A CN 112122981A
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- China
- Prior art keywords
- pin
- tool
- control machine
- numerical control
- machine tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
- B23Q3/1554—Transfer mechanisms, e.g. tool gripping arms; Drive mechanisms therefore
Abstract
The invention discloses a tool clamping mechanism for a tool magazine of a numerical control machine tool, which comprises: gyro wheel, jack catch, elastic support body and mount pad, the jack catch symmetry sets up and pin joint respectively on the mount pad, the jack catch is including turning, claw arm and drive block respectively, the claw arm sets up respectively and openly and extend to mount pad the place ahead turning, the drive block sets up respectively at the rear of turning, the gyro wheel sets up the front end at the claw arm, be provided with the barrel that is located between the both sides drive block on the mount pad, elastic support body sets up in the barrel and both ends contact with the drive block of both sides respectively, carries out the elastic support of jack catch. Through the mode, the cutter clamping mechanism for the tool magazine of the numerical control machine tool is firm in structure and good in wear resistance, the clamping jaws are specially designed for clamping the cutter, the roller enters the annular groove in the tool shank to axially position and clamp, deflection is avoided, and the clamping stability of the heavy cutter is further improved.
Description
Technical Field
The invention relates to the field of machine tool equipment, in particular to a tool clamping mechanism for a tool magazine of a numerical control machine tool.
Background
Most of the existing tool magazines of numerical control machine tools are based on tool chains, tool clamping tools are installed on the tool chains to clamp and move tools, and the tools are convenient to leave and put in storage. When the main shaft of the machine tool moves to a position point for grabbing the cutter, the process of grabbing the cutter is carried out, and the stability of the horizontal position degree of the cutter needs to be ensured.
The conventional cutter clamping tool adopts the separation blade to limit the cutter, the separation blade is thin in thickness and unstable in blocking force, the stability of the heavy cutter is not ensured enough, and the cutter is easy to incline. For example, when a heavy (> 8 kg) tool of HSK-a63 is installed in a tool magazine, the fixing effect is poor, the tool clamping tool cannot completely support the whole weight of the tool, the tool tilts forward when a tool chain drives the tool to move, the horizontal fixing position of the tool is affected, the tool gripping position of a spindle is poor, the tool cannot be gripped correctly, the tool on the spindle is incomplete, the tool falling condition occurs, or the tool is not installed in place, direct influence is caused on a machined part, and a batch of defective products are generated and need to be improved.
Disclosure of Invention
The invention mainly solves the technical problem of providing a tool clamping mechanism for a tool magazine of a numerical control machine tool, which improves the clamping stability of heavy tools and ensures the horizontal position degree of the tools.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a cutter fixture that digit control machine tool magazine was used, includes: gyro wheel, jack catch, elastic support body and mount pad, the jack catch symmetry sets up and pin joint respectively on the mount pad, the jack catch is including turning, claw arm and drive block respectively, the claw arm sets up respectively and openly and extend to mount pad the place ahead turning, the drive block sets up respectively at the rear of turning, the gyro wheel sets up the front end at the claw arm, be provided with the barrel that is located between the both sides drive block on the mount pad, elastic support body sets up in the barrel and both ends contact with the drive block of both sides respectively, carries out the elastic support of jack catch.
In a preferred embodiment of the present invention, the elastic support includes a spring, a pin sleeve and a pin, the pin sleeve and the pin extend from two ends of the spring to the inside of the spring, and the pin sleeve is provided with a guide hole corresponding to the pin so that the end of the pin enters the pin sleeve.
In a preferred embodiment of the present invention, fixing lugs are respectively disposed on two sides of the mounting seat, and fixing holes are disposed on the fixing lugs.
In a preferred embodiment of the present invention, the claw arms are provided with circular arc concave surfaces at inner sides thereof.
In a preferred embodiment of the invention, the mounting seat is provided with a claw positioning hole positioned below the rotating body, the rotating body is provided with a pin hole concentric with the claw positioning hole, and the pin hole is provided with a pin shaft extending downwards to the claw positioning hole.
In a preferred embodiment of the invention, a screw connected with the bottom of the pin shaft is arranged below the mounting seat, and a threaded hole corresponding to the screw is arranged at the bottom of the pin shaft.
In a preferred embodiment of the present invention, the front end of the claw arm is provided with a double-lug-ring support, the roller is arranged in the double-lug-ring support, and a positioning pin penetrating through the roller is arranged in the double-lug-ring support.
In a preferred embodiment of the present invention, the positioning pin is provided with an adjusting shim above and/or below the roller.
In a preferred embodiment of the present invention, the swivel is a square structure, a torsion limiting block located in front of the swivel is disposed on the mounting seat, and the side surface of the torsion limiting block is in contact with the swivel to limit the inward swing of the jaws.
The invention has the beneficial effects that: the cutter clamping mechanism for the tool magazine of the numerical control machine tool is firm in structure and good in wear resistance, the clamping jaws are specially designed for clamping the cutter, the roller enters the annular groove in the tool shank to axially position and clamp the cutter, deflection is avoided, the clamping stability of the cutter is further improved, the horizontal position of the heavy cutter can be guaranteed, the cutter can be driven by the main shaft to enter and exit the clamping jaws, abrasion is reduced, the structure is simple, and operation is simple and convenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a preferred embodiment of a tool clamping mechanism for a tool magazine of a CNC machine tool according to the present invention;
fig. 2 is an exploded view of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
as shown in fig. 1, the tool clamping mechanism for the tool magazine of the numerical control machine tool comprises: gyro wheel 3, jack catch 2, elastic support body and mount pad 1, as shown in fig. 2, mount pad 1 both sides are provided with fixed ear 14 respectively, are provided with fixed orifices 15 on the fixed ear 14, conveniently fix mount pad 1 on the tool chain of digit control machine tool magazine through the bolt, move along with the tool chain. In this embodiment, the mounting seat 1 and the fixing lug 14 are made of integrated steel castings, so that the bearing capacity is large, the structure is firm, the impact resistance effect is good, and the failure rate is reduced.
The claw 2 is symmetrically arranged and is respectively in pin joint with the mounting seat, the claw 2 respectively comprises a rotating body 23, claw arms 22 and a driving block 21, the claw arms 22 are respectively arranged on the front surface of the rotating body 23 and extend to the front of the mounting seat 1, and the driving block 21 is respectively arranged at the rear of the rotating body 23.
In this embodiment, the mounting base 1 is provided with a claw positioning hole 13 located below the rotating body 23, the rotating body 23 is provided with a pin hole 25 concentric with the claw positioning hole 13, the pin hole 25 is provided with a pin shaft 4 extending downward into the claw positioning hole 13 to rotatably support the rotating body 23, the mounting base 1 is provided with a screw 10 connected with the bottom of the pin shaft 4 below to axially limit the pin shaft 4, and the bottom of the pin shaft 4 is provided with a threaded hole corresponding to the screw 10, so that the mounting and dismounting are convenient.
The gyro wheel 3 sets up the front end at claw arm 22, and in this embodiment, the front end of claw arm 22 is provided with ears ring support 24, and gyro wheel 3 sets up in ears ring support 24, is provided with the locating pin 9 that runs through gyro wheel 3 in ears ring support 24, makes things convenient for gyro wheel 3's rotation. And the positioning pin 9 is provided with an adjusting gasket 8 which is positioned above and/or below the roller 3 to adjust the axial position of the roller 3 so as to adapt to the position of the ring groove on the cutter handle, so that the roller 3 enters the ring groove on the cutter handle when a cutter is put in storage to axially position and clamp the cutter, the problems of deflection and impact are avoided, the clamping stability of the cutter is further improved, the horizontal position of the cutter can be ensured, the rolling roller 3 is also favorable for the cutter to enter and exit a clamping jaw under the driving of a main shaft, and the abrasion is reduced.
The mounting seat 1 is integrally provided with a cylinder 12 positioned between the driving blocks 21 at the two sides, and the elastic supporting body is arranged in the cylinder 12, and the two ends of the elastic supporting body are respectively contacted with the driving blocks 21 at the two sides to elastically support the clamping jaws 2. As shown in fig. 2, the elastic support body includes a spring 5, a pin sleeve 7 and a pin 6, the pin sleeve 7 and the pin 6 extend from two ends of the spring 5 to the inside of the spring, a guide hole corresponding to the pin 6 is provided in the pin sleeve 7 so that the end of the pin 6 enters the pin sleeve 7 to guide the pin sleeve 7 and the pin 6, after the tool is squeezed into the jaws 2 on two sides, the jaws 2 are expanded, the jaws 2 compress the spring 5 through the pin sleeve 7 and the pin 6 so that the spring 5 gives a reaction force to the jaws 2 to ensure the jaws 2 to clamp the tool, in this embodiment, the spring 5 is a special spring subjected to high static stress and low dynamic stress, and has large elasticity and high use stability.
In this embodiment, the body 23 of turning is the square structure, and the integration is provided with the stopper 11 that twists reverse that is located the body 23 the place ahead on the mount pad 1, twists reverse stopper 11 side and carry out the interior pendulum of jack catch 2 when turning 23 contact spacing, before the cutter centre gripping, utilize to twist reverse stopper 11 and carry out spacingly to jack catch 2, ensure the minimum interval of two gyro wheels 3, avoid jack catch 2 freedom interior pendulum and can't make the cutter squeeze into between the jack catch 2 of both sides.
In conclusion, the cutter clamping mechanism for the numerical control machine tool magazine, disclosed by the invention, abandons the original baffle structure, ensures the clamping stability of heavy cutters, avoids the inclination of the cutters during cutter changing, is favorable for improving the cutter changing precision, and has a compact structure and space saving.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, or direct or indirect applications in other related fields, which are made by the contents of the present specification, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a cutter fixture that digit control machine tool magazine was used which characterized in that includes: gyro wheel, jack catch, elastic support body and mount pad, the jack catch symmetry sets up and pin joint respectively on the mount pad, the jack catch is including turning, claw arm and drive block respectively, the claw arm sets up respectively and openly and extend to mount pad the place ahead turning, the drive block sets up respectively at the rear of turning, the gyro wheel sets up the front end at the claw arm, be provided with the barrel that is located between the both sides drive block on the mount pad, elastic support body sets up in the barrel and both ends contact with the drive block of both sides respectively, carries out the elastic support of jack catch.
2. The tool holding mechanism for the tool magazine of the numerical control machine tool according to claim 1, wherein the elastic support comprises a spring, a pin sleeve and a pin, the pin sleeve and the pin respectively extend from both ends of the spring to the inside thereof, and a guide hole corresponding to the pin is provided in the pin sleeve so that the end of the pin enters the pin sleeve.
3. The tool clamping mechanism for the tool magazine of the numerical control machine tool according to claim 1, wherein fixing lugs are respectively arranged at two sides of the mounting seat, and fixing holes are arranged on the fixing lugs.
4. The tool holding mechanism for a tool magazine of a numerical control machine tool according to claim 1, wherein an arc concave surface is provided inside the claw arm.
5. The tool clamping mechanism for the tool magazine of the numerical control machine tool according to claim 1, wherein the mounting seat is provided with a jaw positioning hole located below the rotating body, the rotating body is provided with a pin hole concentric with the jaw positioning hole, and the pin hole is provided with a pin shaft extending downwards into the jaw positioning hole.
6. The tool clamping mechanism for the tool magazine of the numerical control machine tool according to claim 5, wherein a screw connected with the bottom of the pin shaft is arranged below the mounting seat, and a threaded hole corresponding to the screw is arranged at the bottom of the pin shaft.
7. The tool clamping mechanism for the numerical control machine tool magazine according to claim 1, wherein a double-lug-ring support is arranged at the front end of the claw arm, the roller is arranged in the double-lug-ring support, and a positioning pin penetrating through the roller is arranged in the double-lug-ring support.
8. The tool clamping mechanism for the tool magazine of the numerical control machine tool according to claim 7, wherein the positioning pin is provided with an adjusting shim above and/or below the roller.
9. The tool clamping mechanism for the tool magazine of the numerical control machine tool according to claim 1, wherein the rotating body has a square structure, the mounting seat is provided with a torsion limiting block located in front of the rotating body, and the side surface of the torsion limiting block is limited by the inner swing of the clamping jaw when contacting with the rotating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103860.XA CN112122981A (en) | 2020-10-15 | 2020-10-15 | Cutter clamping mechanism for tool magazine of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103860.XA CN112122981A (en) | 2020-10-15 | 2020-10-15 | Cutter clamping mechanism for tool magazine of numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112122981A true CN112122981A (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011103860.XA Pending CN112122981A (en) | 2020-10-15 | 2020-10-15 | Cutter clamping mechanism for tool magazine of numerical control machine tool |
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| CN (1) | CN112122981A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761221A (en) * | 2021-01-22 | 2021-05-07 | 福建欣宇卫浴科技股份有限公司 | Slide, gondola water faucet subassembly and shower subassembly |
| CN117088112A (en) * | 2023-10-17 | 2023-11-21 | 临沂施乃通电气技术有限公司 | Automobile power battery monomer snatchs manipulator |
-
2020
- 2020-10-15 CN CN202011103860.XA patent/CN112122981A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761221A (en) * | 2021-01-22 | 2021-05-07 | 福建欣宇卫浴科技股份有限公司 | Slide, gondola water faucet subassembly and shower subassembly |
| CN117088112A (en) * | 2023-10-17 | 2023-11-21 | 临沂施乃通电气技术有限公司 | Automobile power battery monomer snatchs manipulator |
| CN117088112B (en) * | 2023-10-17 | 2024-03-22 | 临沂施乃通电气技术有限公司 | Automobile power battery monomer snatchs manipulator |
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