CN115502737A - Bottom-mounted quick-change knife handle locking device - Google Patents
Bottom-mounted quick-change knife handle locking device Download PDFInfo
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- CN115502737A CN115502737A CN202211352383.XA CN202211352383A CN115502737A CN 115502737 A CN115502737 A CN 115502737A CN 202211352383 A CN202211352383 A CN 202211352383A CN 115502737 A CN115502737 A CN 115502737A
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- locking device
- connecting column
- handle
- ring sleeve
- tool holder
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
Abstract
The application relates to a bottom-mounted quick-change knife handle locking device, which belongs to the technical field of knife handles and comprises a connecting column, wherein a through hole is formed in the connecting column, the connecting column is fixed at one end, close to a knife handle, of a main shaft, a guide inclined hole extending into a pin shaft and a locking nut are formed in the connecting column, the locking nut is in threaded connection with the connecting column, and the locking nut is provided with a slope for pressing one end of the pin shaft into the annular groove; the tool handle can be fixed and loosened by rotating the locking threads, the tool handle disassembling efficiency is improved, workers can quickly disassemble and assemble the tool handle, the locking nut can realize the operation of loosening the tool handle or jacking and fixing the tool handle by rotating for one circle, and the situation that the tool handle can be loosened or jacked and fixed by rotating for multiple circles is avoided.
Description
Technical Field
The application relates to the technical field of tool handles, in particular to a down-mounted quick-change tool handle locking device.
Background
The cutter handle is a connecting tool, is a fixture for connecting the vertical milling machine spindle with a cutter and other accessories in the field of machining, and when the vertical milling machine is used for machining, a milling cutter needs to be installed and connected with the spindle through the cutter handle, or when the milling cutter needs to be replaced, the cutter handle needs to be connected with the spindle.
The existing common vertical milling machine needs to pass through a long pull rod when a tool shank is installed, the top of the milling machine is connected with the tool shank through a hollow main shaft by threads, and the pull rod is tensioned by the threads from the top, so that the tool shank is fixedly connected with the main shaft.
But need many people to ascend a height in coordination when the installation is dismantled the handle of a knife, it is long when occupying equipment processing, lead to the installation effectiveness low.
Disclosure of Invention
The embodiment of the application provides a lower installation formula quick change handle of a knife locking device to solve the problem of handle dismouting inefficiency among the prior art.
The embodiment of the application provides a lower dress formula quick change handle of a knife locking device, include
The tool comprises a main shaft, a tool handle and a tool holder, wherein the tool handle is connected to the main shaft in a plugging and pulling manner, and annular grooves are formed in the peripheral side of the tool handle;
the connecting column is provided with a through hole for inserting the main shaft and the cutter handle, and is also provided with a guide inclined hole extending into the pin shaft;
and the locking nut is in threaded connection with the connecting column and is provided with a slope for pressing one end of the pin shaft into the annular groove.
In some embodiments, the interior of the through-hole is stepped.
In some embodiments, a key for enabling the spindle and the tool shank to rotate synchronously and a key orientation identification groove formed in the through hole are arranged in the through hole.
In some embodiments, the connection column includes an upper column, a middle column and a lower column, which are connected in sequence.
In some embodiments, the locking nut includes an upper ring sleeve screwed to the upper column, and a lower ring sleeve parallel to the middle column and having a slope, the upper ring sleeve and the lower ring sleeve are connected to each other, and the upper ring sleeve and the connecting column are screwed to each other.
In some embodiments, the outer side of the upper ring sleeve is provided with a clamping groove for clamping a wrench.
In some embodiments, a magnet is disposed at one end of the pin shaft close to the lower ring sleeve.
In some embodiments, the outer wall of the lower column body at one end far away from the middle column body is provided with a limiting structure for limiting the lower limit of the locking nut.
In some embodiments, the limiting structure includes an annular notch formed in the outer side wall of the lower cylinder, and a retaining ring is arranged in the notch and is engaged with the notch.
In some embodiments, the connecting column is further provided with a screw for fastening connection with the main shaft.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a down-mounted quick-change handle locking device, when the handle of a knife is selected to be disassembled, the handle of a knife is inserted into a through hole in a connecting column, the locking nut can be used for loosening or tightly pushing a pin shaft through forward and reverse rotation of the locking nut, when a gap between the locking nut and the connecting column is reduced until the locking nut is attached to the connecting column, the pin shaft sliding down to the locking nut is tightly pushed to an annular groove through a guide inclined hole in a sliding manner, the handle of a knife is fixed, a gap is formed between the locking nut and the connecting column, then the pin shaft in the guide inclined hole is enabled to lose limiting and tightly pushing force, the pin shaft slides out of the annular groove of the handle of a knife to the guide inclined hole in a sliding manner, one end of the pin shaft slides into the gap between the locking nut and the connecting column, the handle of a knife can be directly pulled out, the handle of a knife can be fixed and loosened through rotation of locking threads, the efficiency of disassembly and assembly of the handle of a knife is improved, the worker can rapidly disassemble and assemble the handle of a knife, and assemble the locking nut, the handle of a knife can be loosened or tightly fixed by only rotating a circle, and disassemble the locking nut, and the handle of a plurality of knife can be loosened or tightly fixed by one circle, and the handle of the handle can be avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of the present application;
FIG. 2 is a schematic perspective view of a locking mechanism in an embodiment of the present application;
FIG. 3 is a schematic perspective view of a connecting column according to an embodiment of the present application;
FIG. 4 is a schematic view of the locking state in the embodiment of the present application;
FIG. 5 is a schematic view of the unclamped state in the embodiment of the present application;
1. connecting columns; 101. a through hole; 102. a key; 104. guiding inclined holes; 103. a key orientation identification slot; 105. A notch; 2. a screw; 3. locking the nut; 302. a card slot; 4. a pin shaft; 5. a magnet; 6. a retainer ring; 7. a knife handle; 701. a ring groove; 8. a main shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but 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 application.
The embodiment of the application provides a lower installation type quick-change knife handle locking device, which can solve the problem of low knife handle disassembly and assembly efficiency.
Referring to fig. 1-2 and 4-5, a specific embodiment of a bottom-mounted quick-change tool holder locking device includes a main shaft 8, a tool holder 7, a connecting column 1, a locking nut 3, a pin shaft 4 and a guiding inclined hole 104, wherein the tool holder 7 is provided with a ring groove 701 matched with the connecting column 1 to fix the tool holder 7, the ring groove 701 is opened towards the direction to enable the pin shaft 4 to jack in, the connecting column 1 is provided with a through hole 101, the inner wall of the connecting column 1 is provided with the guiding inclined hole 104, the guiding inclined hole 104 is internally provided with the slidable pin shaft 4, after the pin shaft 4 extends out of the guiding inclined hole 104, the pin shaft 4 can prop against the ring groove 701 on the tool holder 7, the tool holder 7 is fixed and limited through the matching of the pin shaft 4 and the ring groove 701, the guiding inclined hole 104 is provided with a plurality of pins distributed at equal intervals along the peripheral side of the connecting column 1 to enable the pin shaft 4 to receive uniform clamping force to enable the pin shaft 4 to clamp and fix the tool holder 7 more stably, the locking nut 3 is arranged outside the connecting column 1, the pin shaft 4 can extend out and retract in the guiding inclined hole 104 to enable the tool holder 7 to be connected and fixedly installed through the connecting column 8.
In some alternative embodiments, as shown in fig. 1 to 3, the inside of the through hole 101 is stepped, and when the main shaft 8 is inserted into the connecting column 1 and connected with the connecting column 1 through the stepped through hole 101, the main shaft 8 is seated on the step through the step, and is fixed with the main shaft 8 through the screw 2 more stably through the step limit.
In this embodiment, a key 102 for synchronously rotating the spindle 8 and the tool holder 7 and a key orientation identification groove 103 formed in the through hole 101 are further fixedly connected in the through hole 101, the key 102 is located at a step of the through hole 101, the key 102 is divided into an upper part and a lower part through the step, after the spindle 8 is inserted into the through hole 101, the spindle can be seated on the step, and meanwhile, a key groove on the end surface of the spindle 8 and the key 102 are located on the upper half of the step and are in mutual embedded and clamped connection, so that the screw 2 can fix the spindle 8, the tool holder 7 enters the through hole 101 from the other end surface of the connecting column 1 far away from the spindle 8, the key orientation identification groove 103 vertically corresponding to the key 102 is utilized, when the tool holder 7 is installed on the connecting column 1, the key groove on the tool holder 7 slides into the key orientation identification groove 103, and then continues to be inserted into the through hole 101, the key orientation identification groove 103 can be in mutual embedded and clamped connection with the lower half of the key 102 through the locking mechanism, and the tool holder 7 is locked through the guidance of the key orientation identification groove 103, so that a worker can perform blind insertion and location without observing, thereby improving the installation efficiency.
In some alternative embodiments, referring to fig. 1-5, the connecting column 1 comprises an upper column body, a middle column body and a lower column body, which are connected in sequence, wherein the middle column body has a trapezoidal cross section, the length of the trapezoidal bottom side of one side of the middle column body, which is close to the upper column body, is shorter than that of one side of the middle column body, which is close to the lower column body, so that the middle column body is wide at the top and narrow at the bottom.
The locknut 3 comprises an upper ring sleeve in threaded connection with the upper column body and a lower ring sleeve of the lower ring sleeve which is parallel to the middle column body and is in a slope surface, the lower ring sleeve is arranged through the slope surface, the locknut 3 drives the pin shaft 4 to move along the guide inclined hole 104 when rotating, the locknut can be pushed into the annular groove 701 or withdrawn from the annular groove 701, the upper ring sleeve is mutually connected with the lower ring sleeve, and the upper ring sleeve is in threaded connection with the connecting columns 1.
Through the shape of narrow width down, when needs dismantle handle of a knife 7, when making it loosen, lock nut 3 rotates and moves down towards the direction of handle of a knife 7, can move down towards the direction of handle of a knife 7 with the lower ring cover that the center pillar body is parallel, after the lower ring cover moves down, can form the clearance with between the center pillar body, then make round pin axle 4 in the inclined hole 104 of leading lose spacing jacking force, make round pin axle 4 slide in the annular 701 of handle of a knife 7 to the inclined hole 104 of leading in from, and one end slides in the clearance between lower ring cover and the center pillar body, can make handle of a knife 7 directly extract.
When the tool holder 7 needs to be fixed in the connecting column 1, the tool holder 7 is inserted into the connecting column 1, then the locking nut 3 is rotated to enable the locking nut to move upwards towards the main shaft 8, the lower ring sleeve can move towards the middle cylinder, the gap between the lower ring sleeve and the middle cylinder is reduced until the lower ring sleeve is attached to the middle cylinder, the pin shaft 4 on the lower ring sleeve is tightly pushed towards the ring groove 701 through the guide inclined hole 104 when the lower ring sleeve is close to the middle cylinder, and after the lower ring sleeve is attached to the middle cylinder, the pin shaft 4 is in a state of the maximum pushing force, so that the tool holder 7 can be fixed.
In this embodiment, the outer side of the upper ring sleeve is provided with a slot 302 for engaging with a wrench, so that a special hook wrench can be conveniently used to apply and remove force to the locking nut 3.
In some optional embodiments, as shown in fig. 2 to 3, an included angle between the inclined guide hole 104 and the axis of the connecting column 1 is 45 °, and the height of one end facing the ring groove 701 is higher than that of one end facing the lower ring sleeve, so that the lower ring sleeve can be prevented from falling and loosening when being pushed tightly, and the lower ring sleeve can fall quickly by using inertia when being loosened, so that the clamping force of the lower ring sleeve on the tool shank 7 is quickly eliminated, and the efficiency of disassembly and assembly is improved.
In some optional embodiments, referring to fig. 2, a magnet 5 is disposed at one end of the pin 4 close to the lower ring sleeve, and the magnet 5 is adsorbed to the lower ring sleeve of the lock nut 3, so that when the lock nut 3 is loosened, the pin 4 moves along with the lower ring sleeve under the action of magnetic force to exit from the through hole 101, so that the knife handle 7 can be smoothly detached, and by the magnetic force of the magnet 5, the pin 4 is prevented from being clamped in the inclined guide hole 104 or the through hole 101 and not falling off, and the pin 4 is prevented from sliding out due to the magnetism of the magnet 5.
In some alternative embodiments, referring to fig. 1-2, the outer wall of the lower column body at the end far away from the middle column body is provided with a limiting structure for limiting the lower limit of the locking nut 3.
In this embodiment, limit structure is provided with the retaining ring 6 of going into in notch 105 including seting up in the annular notch 105 of lower cylinder lateral wall, is provided with in notch 105 cooperation card, when lock nut 3 loosens the spacing to handle of a knife 7, can move down, avoids lock nut 3 to move down too much through retaining ring 6, leads to dropping, has improved protectiveness and the security to lock nut 3.
In some optional embodiments, referring to fig. 1-2, the circumferential side of the connecting column 1 is further provided with a plurality of screws 2, and the screws 2 are inserted into the connecting column 1 through the screw holes of the connecting column 1 to fasten the connecting column 1.
The working principle and the working process of the application are as follows:
when the device needs to be installed, the main shaft 8 is inserted into the through hole 101 in the connecting column 1, then the main shaft can be located on the ladder in the through hole 101, meanwhile, the key groove on the end face of the main shaft 8 and the upper half part of the key 102 located on the ladder are mutually embedded and clamped, and then the connecting column 1 and the main shaft 8 can be fixed through the screw 2.
When the tool shank 7 needs to be installed, the tool shank 7 enters the through hole 101 from the other end face, far away from the main shaft 8, of the connecting column 1, the key direction identification groove 103 corresponding to the key 102 is used, the key groove in the tool shank 7 slides into the key direction identification groove 103, then the tool shank continues to be inserted into the through hole 101, the tool shank can be mutually embedded and clamped with the lower half portion of the key 102 by means of guiding of the key direction identification groove 103, then the locking nut 3 is rotated to enable the locking nut to move towards the main shaft 8, the lower ring sleeve can move towards the middle cylinder, a gap between the lower ring sleeve and the middle cylinder is reduced until the tool shank is attached, the lower ring sleeve is close to the middle cylinder, meanwhile, the pin shaft 4 on the lower ring sleeve is tightly pushed towards the ring groove 701 through the inclined guiding hole 104, and after the lower ring sleeve is attached to the middle cylinder, the pin shaft 4 is in the state of the maximum pushing force, and the tool shank 7 can be fixed.
When the tool shank 7 needs to be detached, the locking nut 3 rotates to move downwards towards the tool shank 7, the lower ring sleeve parallel to the middle column body can move downwards towards the tool shank 7, after the lower ring sleeve moves downwards, a gap can be formed between the lower ring sleeve and the middle column body, then the pin shaft 4 in the guide inclined hole 104 loses a limiting and jacking force, the pin shaft 4 slides out of the annular groove 701 of the tool shank 7 and slides into the guide inclined hole 104, one end of the pin shaft slides into the gap between the lower ring sleeve and the middle column body, the tool shank 7 can be directly pulled out, the magnet 5 is arranged at one end, close to the lower ring sleeve, of the pin shaft 4, the magnet 5 is adsorbed to the lower ring sleeve of the locking nut 3, and when the locking nut 3 is loosened, the pin shaft 4 moves along with the lower ring sleeve under the action of magnetic force and exits from the through hole 101, and the tool shank 7 can be detached smoothly.
When the device needs to be disassembled, the whole device can be separated from the main shaft 8 by loosening the screw 2.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a lower dress formula quick change handle of a knife locking device which characterized in that: comprises that
The tool comprises a main shaft (8), a tool handle (7) is connected to the main shaft (8) in a plugging and pulling mode, and ring grooves (701) are formed in the peripheral side of the tool handle (7);
the cutter comprises a connecting column (1), wherein a through hole (101) for inserting a main shaft (8) and a cutter handle (7) is formed in the connecting column (1), and a guide inclined hole (104) extending into a pin shaft (4) is further formed in the connecting column (1);
lock nut (3), lock nut (3) and spliced pole (1) threaded connection, lock nut (3) are equipped with and impress the one end of round pin axle (4) slope in annular (701).
2. The bottom-mounted quick-change tool holder locking device as recited in claim 1, wherein:
the interior of the through hole (101) is stepped.
3. The bottom-loading quick-change tool holder locking device as claimed in claim 2, characterized in that:
and a key (102) for enabling the main shaft (8) and the tool handle (7) to synchronously rotate and a key position identification groove (103) formed in the through hole (101) are arranged in the through hole (101).
4. The bottom-loading quick-change tool holder locking device as claimed in claim 1, characterized in that:
the connecting column (1) comprises an upper column body, a middle column body and a lower column body, wherein the upper column body, the middle column body and the lower column body are sequentially connected.
5. The bottom-mounted quick-change tool holder locking device as claimed in claim 4, wherein:
the locking nut (3) comprises an upper ring sleeve in threaded connection with the upper column body and a lower ring sleeve which is parallel to the middle column body and is slope, the upper ring sleeve and the lower ring sleeve are connected with each other, and the upper ring sleeve and the connecting column (1) are in threaded connection.
6. The bottom-loading quick-change tool holder locking device as claimed in claim 5, characterized in that: and a clamping groove (302) for clamping a wrench is formed in the outer side of the upper ring sleeve.
7. The bottom-mounted quick-change tool holder locking device according to claim 5, characterized in that: and a magnet (5) is arranged at one end of the pin shaft (4) close to the lower ring sleeve.
8. The bottom-mounted quick-change tool holder locking device according to claim 5, characterized in that: and the outer wall of one end of the lower cylinder far away from the middle cylinder is provided with a limiting structure for limiting the lower limit of the locking nut (3).
9. The bottom-mounted quick-change tool holder locking device according to claim 8, characterized in that: the limiting structure comprises an annular notch (105) arranged on the outer side wall of the lower cylinder, and a retainer ring (6) which is matched and clamped in the notch (105) is arranged in the notch (105).
10. The bottom-loading quick-change tool holder locking device as claimed in claim 1, characterized in that: the connecting column (1) is also provided with a screw (2) which is used for being tightly connected with the main shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211352383.XA CN115502737A (en) | 2022-10-31 | 2022-10-31 | Bottom-mounted quick-change knife handle locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211352383.XA CN115502737A (en) | 2022-10-31 | 2022-10-31 | Bottom-mounted quick-change knife handle locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115502737A true CN115502737A (en) | 2022-12-23 |
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ID=84513303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211352383.XA Pending CN115502737A (en) | 2022-10-31 | 2022-10-31 | Bottom-mounted quick-change knife handle locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115502737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181982A (en) * | 2023-03-03 | 2023-05-30 | 中国核电工程有限公司 | Discharging pipe connecting device for high-temperature and high-release environment |
-
2022
- 2022-10-31 CN CN202211352383.XA patent/CN115502737A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181982A (en) * | 2023-03-03 | 2023-05-30 | 中国核电工程有限公司 | Discharging pipe connecting device for high-temperature and high-release environment |
| CN116181982B (en) * | 2023-03-03 | 2024-03-29 | 中国核电工程有限公司 | Discharging pipe connecting device for high-temperature and high-release environment |
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