CN220881388U - Cutter grabbing hand of milling cutter tool magazine - Google Patents
Cutter grabbing hand of milling cutter tool magazine Download PDFInfo
- Publication number
- CN220881388U CN220881388U CN202322528541.9U CN202322528541U CN220881388U CN 220881388 U CN220881388 U CN 220881388U CN 202322528541 U CN202322528541 U CN 202322528541U CN 220881388 U CN220881388 U CN 220881388U
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- China
- Prior art keywords
- baffle
- milling cutter
- limiting piece
- clamping arms
- cutter
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Links
- 238000003801 milling Methods 0.000 title claims abstract description 33
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The application provides a milling cutter tool magazine tool grabbing hand, which comprises: the connecting seat is provided with an opening at one end, a first through hole is formed in the top of the connecting seat, and a bolt is arranged in the first through hole; one end of each clamping arm is rotationally connected in the opening through a pair of hinge shafts, the inner side of the other end of each clamping arm is provided with a V-shaped block, the upper part of one end of one clamping arm is provided with a first limiting piece, the lower part of one end of the other clamping arm is provided with a second limiting piece, and the end parts of the first limiting piece and the second limiting piece are respectively provided with a second through hole matched with the diameter of the bolt downwards; and the reset mechanism is arranged in the opening and is connected with the pair of clamping arms and used for driving the opened clamping arms to restore to the initial position, and when the clamping arms are positioned at the initial position, the second through holes on the first limiting sheets and the second through holes on the second limiting sheets are identical in axial direction. After the milling cutter handle is clamped by the cutter grabbing hand, the pair of clamping arms are fixed through the bolt, so that the cutter is prevented from being separated from the cutter grabbing hand by centrifugal force when the disc cutter magazine rotates.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a milling cutter magazine tool grabbing hand.
Background
The milling cutter tool magazine of the existing milling machine comprises a bamboo hat type tool magazine, a disc type tool magazine and a chain type tool magazine, a plurality of cutter grippers are required to be arranged on each type tool magazine and used for gripping the cutter handles of the cutters, most of the existing cutter grippers are elastic grippers which are used, when the cutters are pushed into the elastic grippers, the elastic grippers are elastically deformed, so that the cutters can enter the elastic grippers, and the cutters are clamped after entering the elastic grippers. For example, the utility model patent with CN202121760138.3 discloses a cutter grabbing hand, whose cutter claw is made of elastic material, when the disc type cutter magazine is assembled with the cutter grabbing hand, the cutter clamped by the cutter grabbing hand may be separated from the cutter grabbing hand due to centrifugal force along with the rotation of the turntable of the disc type cutter magazine, especially when the diameter of the turntable is large and the weight of the cutter is large, the centrifugal force to which the cutter is subjected is large, and the condition that the cutter is thrown out of the cutter grabbing hand is easy to occur, so that further improvement is needed.
Disclosure of utility model
In order to solve the above-mentioned prior art defect, the present application provides a milling cutter tool magazine tool grabbing hand, through this tool grabbing hand centre gripping milling cutter handle, can fix two clamping arms of tool grabbing hand, prevent when disc tool magazine rotates, milling cutter handle receives centrifugal force and breaks away from the tool grabbing hand.
In order to achieve the above object, the present utility model adopts the following technique:
a milling cutter magazine tool holder comprising:
The connecting seat is provided with an opening at one end, a first through hole is formed in the top of the connecting seat, and a bolt is arranged in the first through hole;
One end of each clamping arm is rotationally connected in the opening through a pair of hinge shafts, the inner sides of the other ends of the clamping arms are respectively provided with a V-shaped block for being clamped with a V-shaped groove on the side face of the milling cutter handle, the upper part of one end of one clamping arm is provided with a first limiting piece, the lower part of one end of the other clamping arm is provided with a second limiting piece, and the end parts of the first limiting piece and the second limiting piece are respectively provided with a second through hole matched with the diameter of the bolt downwards;
And the reset mechanism is arranged in the opening and is connected with the pair of clamping arms and used for driving the opened clamping arms to restore to the initial position, and when the clamping arms are positioned at the initial position, the second through holes on the first limiting sheets and the second through holes on the second limiting sheets are identical in axial direction.
Further, a third through hole is formed in the connecting seat, and the hinge shaft penetrates into the opening through the third through hole to be connected with the clamping arm in a rotating mode.
Further, canceling release mechanical system includes torsional spring and spliced pole, and the spliced pole is located between a pair of centre gripping arm, and the torsional spring is fixed in the spliced pole, and one link and the first spacing piece of torsional spring are connected, and another link and the second spacing piece of torsional spring are connected, and when the centre gripping arm was in initial position, the torsional spring was in natural state, and when the centre gripping arm was strutted, the torsional spring was in the tight state of turning round.
Further, one side of first spacing piece, second spacing piece towards in the opening is equipped with first lug, second lug, and one side that first lug outwards is equipped with first baffle, and one side that the second lug outwards is equipped with the second baffle, and first baffle, second baffle all are fixed in the connecting seat, and when the torsional spring drove the centre gripping arm and reset, first lug, second lug butt respectively first baffle, second baffle.
Further, the first baffle top is connected with the connecting seat top, and first baffle bottom height is higher than the height at second lug top, and the second baffle bottom is connected with the connecting seat bottom, and second baffle top height is less than the height at first lug bottom.
Further, the top of connecting seat one end is equipped with the connecting block, and rectangular groove has been upwards seted up to the bottom surface of connecting block, has still seted up first screw hole on the connecting block, and first screw hole internal connection has the screw, is equipped with the locating key in the rectangular groove, and the locating key is through the second screw hole and the screw connection of seting up on it.
The utility model has the beneficial effects that:
1. After the milling cutter handle is clamped by the milling cutter handle, a pair of clamping arms of the milling cutter handle can be fixed through the bolt, so that the milling cutter handle is prevented from being separated from the milling cutter handle due to centrifugal force when the disc cutter magazine rotates.
2. When the torsional spring drives the clamping arm to reset, the first lug and the second lug are respectively abutted against the first baffle and the second baffle, so that the condition that the rotation angle of the clamping arm is overlarge and the two second through holes cannot be aligned can be avoided.
3. The connecting block is connected with the positioning key through threads, so that the positioning keys with different sizes can be replaced conveniently.
Drawings
Fig. 1 is a perspective view showing the overall structure of a knife grabbing hand according to an embodiment of the present application.
Fig. 2 is a perspective view of a part of the structure of a knife grabbing hand according to an embodiment of the present application.
Fig. 3 is a top view of a part of the structure of a knife grabbing hand according to an embodiment of the present application.
Fig. 4 is a cross-sectional view of a knife holder according to an embodiment of the present application.
Reference numerals: the device comprises a connecting seat-1, a clamping arm-2, a first limiting piece-3, a second limiting piece-4, a second through hole-5, a torsion spring-6, a connecting block-7, a positioning key-8, an opening-101, a first through hole-102, a third through hole-103, a first baffle-104, a second baffle-105, a bolt-106, a hinge shaft-201, a V-shaped block-202, a first bump-301, a second bump-401, a connecting column-601 and a screw-701.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, but the described embodiments of the present utility model are some, but not all embodiments of the present utility model.
The embodiment of the application provides a cutter grabbing hand of a milling cutter tool magazine, which is shown in fig. 1-4 and comprises a connecting seat 1, a clamping arm 2, a reset mechanism and the like.
An opening 101 is formed in one end of the connecting seat 1, a first through hole 102 is formed in the top of the connecting seat 1, and a bolt 106 is arranged in the first through hole 102; the clamping arms 2 are a pair, one ends of the clamping arms 2 are all connected in the opening 101 through a pair of hinge shafts 201 in a rotating mode, V-shaped blocks 202 are arranged on the inner sides of the other ends of the clamping arms 2, the V-shaped blocks 202 are used for being connected with V-shaped grooves on the sides of milling cutter handles in a clamping mode, the milling cutter handles are fixed, first limiting pieces 3 are arranged on the upper portion of one end of one clamping arm 2, second limiting pieces 4 are arranged on the lower portion of one end of the other clamping arm 2, and second through holes 5 matched with the diameters of the bolts 106 are formed in the end portions of the first limiting pieces 3 and the second limiting pieces 4 in a downward mode.
The reset mechanism is arranged in the opening 101 and is connected with the pair of clamping arms 2 for driving the opened clamping arms 2 to restore to the initial position, and after the milling cutter handle stretches the clamping arms 2 and enters between the pair of clamping arms 2, the reset mechanism drives the clamping arms 2 to restore to the initial position, and when the clamping arms 2 are positioned at the initial position, the second through holes 5 on the first limiting plates 3 and the second through holes 5 on the second limiting plates 4 are identical in axial direction.
During actual use, a plurality of cutter grabbing hands are fixed on the rotary table of the disc cutter magazine, a milling cutter handle is placed between a pair of clamping arms 2, the bolt 106 is inserted into two second through holes 5, the clamping arms 2 are fixed, when the rotary table of the disc cutter magazine rotates, the milling cutter handle is prevented from being separated from the cutter grabbing hands due to centrifugal force, when a machine tool is used for replacing a cutter, after the cutter grabbing hands for clamping a target cutter rotate to a preset position, the bolt 106 is pulled out, the cutter between the pair of clamping arms 2 can be taken out by the cutter replacing hands, the replaced cutter is placed into the cutter grabbing hands, and finally the bolt 106 is inserted into the two second through holes 5. Specifically, the lifting grabbing clamp can be selected to insert or take out the bolts 106 into or from the two second through holes 5.
Specifically, referring to fig. 2, the reset mechanism includes a torsion spring 6 and a connection post 601, the connection post 601 is disposed between the pair of clamping arms 2, the torsion spring 6 is fixed on the connection post 601, one connection end of the torsion spring 6 is connected with the first limiting piece 3, the other connection end of the torsion spring 6 is connected with the second limiting piece 4, when the clamping arms 2 are in an initial position, the torsion spring 6 is in a natural state, and when the clamping arms 2 are spread by the milling cutter handle, the torsion spring 6 is in a tightening state. The torsion spring 6 controls the clamping arm 2 to reset, and no additional power source is needed.
Specifically, referring to fig. 2 and 4, a first protruding block 301 and a second protruding block 401 are disposed on one side of the first limiting plate 3 and the second limiting plate 4 facing the opening 101, a first baffle 104 is disposed on one side of the first protruding block 301 facing outwards, a second baffle 105 is disposed on one side of the second protruding block 401 facing outwards, the first baffle 104 and the second baffle 105 are both fixed on the connecting seat 1, and when the torsion spring 6 drives the clamping arm 2 to reset, the first protruding block 301 and the second protruding block 401 respectively abut against the first baffle 104 and the second baffle 105. When the torsion spring 6 drives the clamping arm 2 to reset, the first baffle 104 and the second baffle 105 respectively resist the first lug 301 and the second lug 401, so that the situation that the rotation angle of the clamping arm 2 is overlarge and the two second through holes 5 cannot be aligned due to the torsion precision problem of the torsion spring 6 can be avoided.
More specifically, the top of the first baffle 104 is connected to the top of the connecting seat 1, the bottom of the first baffle 104 is higher than the top of the second bump 401, the bottom of the second baffle 105 is connected to the bottom of the connecting seat 1, and the top of the second baffle 105 is lower than the bottom of the first bump 301. The purpose of this arrangement is to prevent that when the clamping arm 2 is opened, the first baffle 104 blocks the second bump 401, the second baffle 105 blocks the first bump 301, and the situation that the opening angle of the clamping arm 2 is limited occurs, that is, the first baffle 104 can avoid the rotating second bump 401, and the second baffle 105 can avoid the rotating first bump 301.
Specifically, referring to fig. 1, the connecting seat 1 is provided with a third through hole 103, and the hinge shaft 201 penetrates into the opening 101 through the third through hole 103 to be rotationally connected with the clamping arm 2, so that the clamping arm 2 is convenient to install in the opening 101.
Preferably, referring to fig. 1 and 4, a connecting block 7 is arranged at the top of one end of the connecting seat 1, a rectangular groove is upwards formed in the bottom surface of the connecting block 7, a first threaded hole is further formed in the connecting block 7, a screw 701 is connected in the first threaded hole, a positioning key 8 is arranged in the rectangular groove, and the positioning key 8 is connected with the screw 701 through a second threaded hole formed in the positioning key 8. The flange department of milling cutter handle can be gone into to location key 8 card, increases the stability of grabbing sword hand centre gripping milling cutter handle, through connecting block 7 threaded connection location key 8, is convenient for change not unidimensional location key 8, and location key 8 locates in the rectangle recess, can prevent that location key 8 from rotating.
The above examples are only examples of the present application and are not intended to limit the present application.
Claims (6)
1. A milling cutter magazine tool holder, comprising:
An opening (101) is formed in one end of the connecting seat (1), a first through hole (102) is formed in the top of the connecting seat (1), and a bolt (106) is arranged in the first through hole (102);
One end of each clamping arm (2) is rotationally connected in the opening (101) through a pair of hinge shafts (201), the inner sides of the other ends of the clamping arms (2) are respectively provided with a V-shaped block (202) for being clamped with a V-shaped groove on the side face of the milling cutter handle, the upper part of one end of one clamping arm (2) is provided with a first limiting piece (3), the lower part of one end of the other clamping arm (2) is provided with a second limiting piece (4), and the end parts of the first limiting piece (3) and the second limiting piece (4) are respectively provided with a second through hole (5) with the diameter matched with that of the bolt (106) downwards;
And the reset mechanism is arranged in the opening (101) and is connected with the pair of clamping arms (2) and used for driving the opened clamping arms (2) to restore to the initial position, and when the clamping arms (2) are positioned at the initial position, the axial directions of the second through holes (5) on the first limiting sheets (3) and the second through holes (5) on the second limiting sheets (4) are the same.
2. The milling cutter tool magazine tool holder according to claim 1, wherein the connecting seat (1) is provided with a third through hole (103), and the hinge shaft (201) penetrates into the opening (101) through the third through hole (103) to be in rotary connection with the clamping arm (2).
3. The milling cutter magazine tool according to claim 1, wherein the reset mechanism comprises a torsion spring (6) and a connecting column (601), the connecting column (601) is arranged between the pair of clamping arms (2), the torsion spring (6) is fixed on the connecting column (601), one connecting end of the torsion spring (6) is connected with the first limiting piece (3), the other connecting end of the torsion spring (6) is connected with the second limiting piece (4), the torsion spring (6) is in a natural state when the clamping arms (2) are in an initial position, and the torsion spring (6) is in a tightening state when the clamping arms (2) are unfolded.
4. The milling cutter tool magazine tool holder according to claim 3, wherein the first limiting piece (3) and the second limiting piece (4) are provided with a first lug (301) and a second lug (401) towards one side in the opening (101), one side of the first lug (301) facing outwards is provided with a first baffle (104), one side of the second lug (401) facing outwards is provided with a second baffle (105), the first baffle (104) and the second baffle (105) are both fixed on the connecting seat (1), and when the torsion spring (6) drives the clamping arm (2) to reset, the first lug (301) and the second lug (401) are respectively abutted against the first baffle (104) and the second baffle (105).
5. The milling cutter tool magazine tool holder according to claim 4, wherein the top of the first baffle plate (104) is connected with the top of the connecting seat (1), the bottom of the first baffle plate (104) is higher than the top of the second bump (401), the bottom of the second baffle plate (105) is connected with the bottom of the connecting seat (1), and the top of the second baffle plate (105) is lower than the bottom of the first bump (301).
6. The milling cutter tool magazine tool holder according to claim 1, wherein the top of one end of the connecting seat (1) is provided with a connecting block (7), the bottom surface of the connecting block (7) is provided with a rectangular groove upwards, the connecting block (7) is further provided with a first threaded hole, the first threaded hole is connected with a screw (701), a positioning key (8) is arranged in the rectangular groove, and the positioning key (8) is connected with the screw (701) through a second threaded hole formed in the positioning key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322528541.9U CN220881388U (en) | 2023-09-18 | 2023-09-18 | Cutter grabbing hand of milling cutter tool magazine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322528541.9U CN220881388U (en) | 2023-09-18 | 2023-09-18 | Cutter grabbing hand of milling cutter tool magazine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220881388U true CN220881388U (en) | 2024-05-03 |
Family
ID=90838877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322528541.9U Active CN220881388U (en) | 2023-09-18 | 2023-09-18 | Cutter grabbing hand of milling cutter tool magazine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220881388U (en) |
-
2023
- 2023-09-18 CN CN202322528541.9U patent/CN220881388U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |