CN211219812U - Claw unlocking device of chain type tool magazine - Google Patents
Claw unlocking device of chain type tool magazine Download PDFInfo
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- CN211219812U CN211219812U CN201921721741.3U CN201921721741U CN211219812U CN 211219812 U CN211219812 U CN 211219812U CN 201921721741 U CN201921721741 U CN 201921721741U CN 211219812 U CN211219812 U CN 211219812U
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- oil cylinder
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Abstract
The utility model discloses a jack catch unlocking device of chain tool magazine, including main shaft, fixed plate, hydro-cylinder support, blade disc motion interference district, mounting hole, reinforcing plate, cutter holder locating pin, cutter holder taper hole, hydro-cylinder supporting seat, hydraulic cylinder, recess, locating hole, the fixedly connected with hydro-cylinder supporting seat of center department on blade disc right side, the top on hydro-cylinder supporting seat obverse surface right side and the equal fixedly connected with hydraulic cylinder in bottom. The utility model discloses a main shaft, the fixed plate, the hydro-cylinder support, the blade disc, blade disc motion interference district, the mounting hole, the reinforcing plate, the cutter holder locating pin, the cutter holder taper hole, the hydro-cylinder supporting seat, hydraulic cylinder, the recess, the cooperation of locating hole and cutter holder clamping jaw is used, possess the advantage that can be convenient for back down the locating pin and match different diameter main shafts, it is not enough to have solved chain tool magazine hydro-cylinder and hydro-cylinder support effort, the tool magazine itself hardly adapts to not unidimensional main shaft, the tool magazine limitation is little promptly, the not enough problem of locating pin mechanism.
Description
Technical Field
The invention relates to the technical field of numerical control machine tools, in particular to a jaw unlocking device of a chain type tool magazine.
Background
The chain type tool magazine is a tool magazine form in the numerical control machine tool, the capacity of a tool is large, but the positioning precision of the tool magazine is low, compared with a disc type guide rail, the chain type tool magazine has the advantage of large capacity of the tool, but the chain type structure of the traditional chain type tool magazine is as follows: the cutter is equivalent to be placed on a chain, the chain needs to move back and forth, and rigid support of the whole chain cannot be realized, namely, for the chain type tool magazine, the chain is a bearing system and a transmission system, which determines that the chain type tool magazine has obvious defects: the mechanical rigidity is poor, and the transmission clearance is large, so that the positioning precision of the tool magazine is poor; in order to improve the positioning precision, a complex detection and control circuit is required to be matched to realize quick and accurate positioning, the SDL120 numerical control chain type tool magazine mainly comprises a worm gear reduction box, a chain type tool storage bin, a manipulator shuttle device, a manipulator and the like, the chain type tool storage bin of the tool magazine is driven by a servo motor through a cylindrical worm reduction box, the position ring is controlled in an open loop mode, a tool apron of the tool magazine is decoded by an encoder, and the accurate positioning is completed by an analog electronic detection and control circuit.
The horizontal tool magazine is generally arranged on a vertical surface, when a cutter rotates to the lower side in the rotating process of a cutter head, the clamping force of a cutter holder is difficult to counteract the gravity of the cutter, so the cutter easily falls off when the cutter head rotates.
Disclosure of Invention
The invention aims to provide a claw unlocking device of a chain type tool magazine, which has the advantages of being convenient for ejecting a positioning pin and matching spindles with different diameters, and solves the problems that the acting force of an oil cylinder and an oil cylinder support of the chain type tool magazine is insufficient, the tool magazine is difficult to adapt to spindles with different sizes, namely the tool magazine is small in limitation, and the acting force of a positioning pin mechanism is insufficient.
In order to achieve the purpose, the invention provides the following technical scheme: chain tool magazine's jack catch unlocking device, including main shaft, fixed plate, hydro-cylinder support, blade disc motion interference district, blade disc, mounting hole, reinforcing plate, cutter holder locating pin, cutter holder taper hole, hydro-cylinder supporting seat, hydraulic cylinder, recess, locating hole, its characterized in that: the center department fixedly connected with hydro-cylinder supporting seat on blade disc right side, the equal fixedly connected with hydraulic cylinder in top and the bottom on hydro-cylinder supporting seat positive surface right side, the front side of hydro-cylinder supporting seat is provided with the hydro-cylinder support, the mounting hole has all been seted up to the top and the bottom on hydro-cylinder support positive surface, hydraulic cylinder output shaft's front side runs through to the inner chamber of mounting hole, the right side fixedly connected with fixed plate on hydro-cylinder support positive surface, the left middle-end of hydro-cylinder support is seted up flutedly, the locating hole has been seted up to the middle-end on hydro-cylinder support positive surface, the positive surface mounting of blade disc has the knife holder clamping jaw of ganged circular motion, and it has the blade disc motion interference zone of interfering with the hydro-cylinder support, the rotatory.
Preferably, the diameter of the inner ring of the mounting hole is slightly larger than that of the outer ring of the output shaft of the hydraulic oil cylinder, and the surface of the output end of the hydraulic oil cylinder is fixedly connected with the joint of the surface of the inner ring of the mounting hole.
Preferably, equal fixedly connected with reinforcing plate between the left top of fixed plate and the left top and the bottom in positive surface of hydro-cylinder support, the reinforcing plate is the triangle-shaped structure, and two waists of reinforcing plate respectively with the positive surface of hydro-cylinder support and the left side fixed connection of fixed plate.
Preferably, the grooves are of a trapezoidal structure, and the number of the positioning holes is two, and the two positioning holes are respectively located at the top and the bottom of the middle end of the front surface of the oil cylinder support.
Preferably, the oil cylinder support is of an L-shaped structure, and the upper hydraulic oil cylinder and the lower hydraulic oil cylinder are symmetrically connected with each other about the center of the oil cylinder support.
Preferably, the cutter head is of a disc structure, a cutter holder clamping jaw is fixedly connected to the circumferential edge of the cutter head, a cutter holder taper hole is formed in the center of the right side of the front surface of the cutter holder clamping jaw, a pin hole matched with the cutter holder positioning pin for use is formed in the front surface of the cutter head movement interference area and in the front of the cutter holder positioning pin, and the size of the pin hole is slightly larger than that of the cutter holder positioning pin.
Preferably, the oil cylinder support and the oil cylinder support seat are of strip structures, and the size can be changed according to actual conditions.
Preferably, the groove can avoid the edge of the cutter head in the movement process, and the positioning hole is slightly larger than the edge of the cutter head to be convex, so that interference can be effectively avoided, and the positioning effect can be realized when the cutter head is not in a correct position.
The use method of the claw unlocking device of the chain type tool magazine comprises the following steps:
a, a cutter is installed in a cutter holder clamping jaw, the cutter holder clamping jaw is locked through a cutter holder positioning pin, the cutter holder positioning pin locks the cutter holder clamping jaw under a normal state, the cutter holder clamping jaw can clamp the cutter to do rotary motion in a vertical plane, the cutter cannot fall off under the action of gravity, when the cutter holder clamping jaw moves to a cutter changing point, the cutter holder positioning pin is jacked open through a hydraulic oil cylinder, and the clamping force of the cutter holder clamping jaw can ensure that the cutter is fixed in a horizontal position;
b: the hydraulic oil cylinder is an execution unit controlled by a hydraulic system, and the oil cylinder support is driven to move back and forth through the extension and contraction of an output shaft of the hydraulic oil cylinder, so that the pressing of the cutter clamp positioning pin is realized;
c: the oil cylinder bracket is of an L-shaped structure, the upper side and the lower side of the oil cylinder bracket are symmetrically connected with the two hydraulic oil cylinders and can stretch along with the output shafts of the hydraulic oil cylinders to realize front and back movement, the vertical surface of the front end of the output shaft of the hydraulic oil cylinder, which is extended, can be contacted with the cutter holder positioning pin and jacks the cutter holder positioning pin forwards, and at the moment, the safety of the cutter holder clamping jaw is;
d: the cutter is clamped through the cutter holder taper hole at the front end, the cutter changing action is divided into two actions of cutter taking and cutter returning, when the cutter is taken, the cutter is locked after the spindle is in butt joint with a cutter disc movement interference area, the cutter is pulled out from the opening direction of the cutter holder clamping jaw for opening the safety through the driving shaft of the machine tool, the cutter enters from the opening direction of the cutter holder clamping jaw during cutter returning, the cutter holder clamping jaw is jacked open through the driving shaft, after the cutter holder clamping jaw is closed and clamped, the cutter is loosened by the spindle and exits from a cutter changing point from the rear side, and the whole cutter.
Compared with the prior art, the invention has the following beneficial effects:
1. the tool magazine has the advantages that the positioning pin can be conveniently ejected and matched with spindles with different diameters through the matched use of the spindle, the fixing plate, the oil cylinder support, the cutter head, the mounting hole, the reinforcing plate, the cutter holder positioning pin, the cutter holder taper hole, the oil cylinder support seat, the hydraulic oil cylinder, the groove, the positioning hole and the cutter holder clamping jaw, and the problems that the acting force of the oil cylinder and the oil cylinder support of a chain type tool magazine is insufficient, the tool magazine is difficult to adapt to spindles with different sizes, namely the tool magazine is small in limitation, and the acting force of a.
2. The invention can facilitate the contact between the oil cylinder bracket and the cutter holder positioning pin by using the fixing plate, can facilitate the ejection of the cutter holder positioning pin by using the hydraulic oil cylinder, can fix the cutter holder clamping jaw by using the cutter head, can clamp and fix the cutter holder clamping jaw by using the cutter holder clamping jaw, can facilitate the fixation of the hydraulic oil cylinder by using the oil cylinder supporting seat, can lock the cutter holder clamping jaw by using the cutter holder positioning pin to avoid the movement of the cutter holder clamping jaw, can avoid the obstruction of the oil cylinder bracket to the installation of a prop by using the groove, can improve the stability of the connection between the oil cylinder bracket and the fixing plate by using the reinforcing plate, can fixedly install the cutter head by using the cutter head movement interference area, can facilitate the fixed connection between the output shaft of the hydraulic oil cylinder and the oil cylinder bracket by using the mounting hole, through the use of the positioning hole, the cutter can be conveniently positioned when the cutter holder clamping jaw clamps the cutter.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the engagement between the cylinder support and the spindle according to the present invention;
FIG. 3 is a front view structural diagram of an oil cylinder bracket of the present invention;
FIG. 4 is a perspective view of the cylinder bracket of the present invention;
fig. 5 is a schematic structural diagram of a cutter head movement interference area of the invention.
In the figure: the tool holder comprises a main shaft 1, a fixing plate 2, an oil cylinder support 3, a cutter disc movement interference area 4, a cutter disc 5, a mounting hole 6, a reinforcing plate 7, a tool holder positioning pin 8, a tool holder taper hole 9, an oil cylinder supporting seat 10, a hydraulic oil cylinder 11, a groove 12, a positioning hole 13 and a tool holder clamping jaw 14.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The main shaft 1, the fixing plate 2, the oil cylinder bracket 3, the cutter head 5, the reinforcing plate 7, the cutter holder positioning pin 8, the oil cylinder supporting seat 10, the hydraulic oil cylinder 11 and the cutter holder clamping jaw 14 are all universal standard parts or parts known by technicians in the field, and the structure and the principle of the parts are known by the technicians through technical manuals or conventional experimental methods.
Referring to fig. 1-5, the jaw unlocking device of the chain type tool magazine comprises a main shaft 1, a fixing plate 2, an oil cylinder support 3, a cutter head 5, a mounting hole 6, a reinforcing plate 7, a cutter holder positioning pin 8, a cutter holder taper hole 9, an oil cylinder support 10, an oil cylinder 11, a groove 12 and a positioning hole 13, wherein the center of the right side of the cutter head 5 is fixedly connected with the oil cylinder support 10, the top and the bottom of the right side of the front surface of the oil cylinder support 10 are fixedly connected with the oil cylinder 11, the oil cylinder 11 can be conveniently fixed by using the oil cylinder support 10, the oil cylinder support 3 is arranged on the front side of the oil cylinder support 10, the reinforcing plate 7 is fixedly connected between the top of the left side of the fixing plate 2 and the top and the bottom of the left side of the oil cylinder support 3, the reinforcing plate 7 is of a triangular structure, the connection stability of the oil cylinder support 3 and the fixing plate 2 can be improved by using the reinforcing plate 7, the oil cylinder support 3 is of an L-shaped structure, the upper hydraulic oil cylinder 11 and the lower hydraulic oil cylinder 11 are symmetrically connected with respect to the center of the oil cylinder support 3, the oil cylinder support 3 can be conveniently contacted with the cutter holder positioning pin 8 by using the fixing plate 2, the cutter holder positioning pin 8 can be conveniently ejected out by using the hydraulic oil cylinders 11, the top and the bottom of the front surface of the oil cylinder support 3 are both provided with mounting holes 6, the diameter of the inner ring of the mounting hole 6 is slightly larger than that of the outer ring of the output shaft of the hydraulic oil cylinder 11, the connection part of the surface of the output end of the hydraulic oil cylinder 11 and the surface of the inner ring of the mounting hole 6 is fixedly connected, the fixed connection between the output shaft of the hydraulic oil cylinder, the right side of the front surface of the oil cylinder support 3 is fixedly connected with a fixing plate 2, the middle end of the left side of the oil cylinder support 3 is provided with a groove 12, the groove 12 is of a trapezoidal structure, the groove 12 can avoid the edge of a cutter head 5 in the moving process, a positioning hole 13 is slightly larger than the edge of the cutter head 5 and protrudes, so that interference can be effectively avoided and positioning can be realized in the case of misalignment, the number of the positioning holes 13 is two, the positioning holes are respectively arranged at the top and the bottom of the middle end of the front surface of the oil cylinder support 3, through the use of the groove 12, the obstruction of the oil cylinder support 3 to the installation of a tool is avoided, through the use of the positioning hole 13, positioning can be conveniently carried out when the cutter clamping jaws 14 clamp a cutter, the front surface of the cutter head 5 is provided with a group of cutter head clamping jaws 14 which do circular, the cutter holder clamping jaw 14 is fixedly connected to the circumferential edge of the cutter holder clamping jaw 14, a cutter holder taper hole 9 is formed in the right center of the front surface of the cutter holder clamping jaw 14, the cutter disc 5 is of a disc structure, the cutter holder clamping jaw 14 is fixedly connected to the circumferential edge of the cutter holder clamping jaw 14, the cutter holder taper hole 9 is formed in the right side of the front surface of the center of the cutter holder clamping jaw 14, a pin hole matched with the cutter holder positioning pin 8 is formed in the front of the cutter holder positioning pin 8 in the front of the front surface of the cutter disc 5, the size of the pin hole is slightly larger than that of the cutter holder positioning pin 8, the oil cylinder support 3 and the oil cylinder support seat 10 are of strip structures and can be changed according to actual conditions, the cutter holder clamping jaw 14 can be fixed through the use of the cutter holder clamping jaw 14, the cutter holder clamping jaw 8, can lock cutter holder clamping jaw 14, avoid its removal, through main shaft 1, fixed plate 2, oil cylinder support 3, blade disc 5, mounting hole 6, reinforcing plate 7, cutter holder locating pin 8, cutter holder taper hole 9, hydro-cylinder supporting seat 10, hydraulic cylinder 11, recess 12, locating hole 13 and cutter holder clamping jaw 14's cooperation is used, possess the advantage that can be convenient for back open the locating pin and match different diameter main shafts 1, it is not enough to have solved 3 effort of chain tool magazine hydro-cylinder and oil cylinder support, the tool magazine itself hardly adapts to not unidimensional main shaft 1, namely the tool magazine limitation is little, the not enough problem of locating pin mechanism effort.
The working principle is as follows: a, a cutter is installed in a cutter holder clamping jaw 14, the cutter holder clamping jaw 14 is locked through a cutter holder positioning pin 8, the cutter holder positioning pin 8 locks the cutter holder clamping jaw 14 in a normal state, the cutter holder clamping jaw 14 can clamp the cutter to do rotary motion in a vertical plane, the cutter cannot fall off under the action of gravity, when the cutter is moved to a cutter changing point, the cutter holder positioning pin 8 is jacked open through a hydraulic oil cylinder 11, and the clamping force of the cutter holder clamping jaw 14 can ensure that the cutter is fixed in a horizontal position;
b: the hydraulic oil cylinder 11 is an execution unit controlled by a hydraulic system, and the oil cylinder bracket 3 is driven to move back and forth by the extension and contraction of an output shaft of the hydraulic oil cylinder 11, so that the cutter clamp positioning pin 8 is pressed;
c: the oil cylinder support 3 is of an L-shaped structure, the upper side and the lower side of the oil cylinder support are symmetrically connected with the two hydraulic oil cylinders 11, the oil cylinder support can stretch and retract along with the output shafts of the hydraulic oil cylinders 11 to move back and forth, the vertical surface of the front end of the output shaft of the extended hydraulic oil cylinders 11 can be in contact with the cutter holder positioning pin 8 and pushes the cutter holder positioning pin 8 forwards, and at the moment, the safety of the cutter holder clamping;
d: the cutter is clamped through the cutter holder taper hole 9 at the front end, the cutter changing action is divided into two actions of cutter taking and cutter returning, when the cutter is taken, the cutter is locked after the spindle 1 is in butt joint with the cutter disc movement interference area 5, the cutter can be pulled out from the opening direction of the cutter holder clamping jaw 14 which opens the safety through the driving shaft of the machine tool, the cutter enters from the opening direction of the cutter holder clamping jaw 14 when the cutter is returned, the cutter holder clamping jaw 14 can be jacked open through the driving shaft, after the cutter holder clamping jaw 14 is closed and clamped, the spindle 1 loosens the cutter and withdraws from a cutter changing point from the rear side, and.
In summary, the following steps: this jack catch unlocking device of chain tool magazine, through main shaft 1, fixed plate 2, oil cylinder support 3, blade disc 5, mounting hole 6, reinforcing plate 7, cutter holder locating pin 8, cutter holder taper hole 9, hydro-cylinder supporting seat 10, hydraulic cylinder 11, recess 12, the cooperation of locating hole 13 and cutter holder clamping jaw 14 is used, it is not enough to have solved 3 efforts of chain tool magazine hydro-cylinder and hydro-cylinder support, the tool magazine itself hardly adapts to not unidimensional main shaft 1, the tool magazine limitation is little promptly, the not enough problem of locating pin mechanism effort.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Chain tool magazine's jack catch unlocking device, including main shaft (1), fixed plate (2), hydro-cylinder support (3), blade disc motion interference district (4), blade disc (5), mounting hole (6), reinforcing plate (7), cutter holder locating pin (8), cutter holder taper hole (9), hydro-cylinder supporting seat (10), hydraulic cylinder (11), recess (12), locating hole (13), its characterized in that: the center on the right side of the cutter head (5) is fixedly connected with an oil cylinder supporting seat (10), the top and the bottom on the right side of the front surface of the oil cylinder supporting seat (10) are both fixedly connected with a hydraulic oil cylinder (11), the front side of the oil cylinder supporting seat (10) is provided with an oil cylinder support (3), the top and the bottom on the front surface of the oil cylinder support (3) are both provided with mounting holes (6), the front side of an output shaft of the hydraulic oil cylinder (11) penetrates through an inner cavity of the mounting holes (6), the right side of the front surface of the oil cylinder support (3) is fixedly connected with a fixed plate (2), the left middle end of the oil cylinder support (3) is provided with a groove (12), the middle end of the front surface of the oil cylinder support (3) is provided with a positioning hole (13), the front surface of the cutter head (5) is provided with a, the rotary outermost end of the cutter head (5) is fixedly connected with a cutter holder clamping jaw (14), and the right side of the front surface of the cutter head (5) is fixedly connected with a cutter holder positioning pin (8).
2. The pawl unlocking device of the chain magazine as claimed in claim 1, wherein: the diameter of the inner ring of the mounting hole (6) is slightly larger than that of the outer ring of the output shaft of the hydraulic oil cylinder (11), and the surface of the output end of the hydraulic oil cylinder (11) is fixedly connected with the surface of the inner ring of the mounting hole (6).
3. The pawl unlocking device of the chain magazine as claimed in claim 1, wherein: equal fixedly connected with reinforcing plate (7) between the left top of fixed plate (2) and the positive left top of surface of hydro-cylinder support (3) and the bottom, reinforcing plate (7) are the triangle-shaped structure, and two waists of reinforcing plate (7) respectively with the positive surface of hydro-cylinder support (3) and the left side fixed connection of fixed plate (2).
4. The pawl unlocking device of the chain magazine as claimed in claim 1, wherein: the groove (12) is of a trapezoidal structure, and the number of the positioning holes (13) is two and the positioning holes are respectively positioned at the top and the bottom of the middle end of the front surface of the oil cylinder support (3).
5. The pawl unlocking device of the chain magazine as claimed in claim 1, wherein: the oil cylinder support (3) is of an L-shaped structure, and the upper hydraulic oil cylinder (11) and the lower hydraulic oil cylinder (11) are symmetrically connected with each other around the center of the oil cylinder support (3).
6. The pawl unlocking device of the chain magazine as claimed in claim 1, wherein: the cutter head (5) is of a disc structure, a cutter holder clamping jaw (14) is fixedly connected to the circumferential edge of the cutter head, a cutter holder taper hole (9) is formed in the center of the right side of the front surface of the cutter holder clamping jaw (14), a pin hole matched with the cutter holder positioning pin (8) for use is formed in the front surface of the cutter head movement interference area (4) and in the front of the cutter holder positioning pin (8), and the size of the pin hole is slightly larger than that of the cutter holder positioning pin (8).
7. The pawl unlocking device of the chain magazine as claimed in claim 1, wherein: the oil cylinder support (3) and the oil cylinder support seat (10) are of strip structures, and the size can be changed according to actual conditions.
8. The pawl unlocking device of the chain magazine as claimed in claim 1, wherein: recess (12) can dodge blade disc (5) edge in the motion process, and locating hole (13) slightly are greater than blade disc (5) edge arch, can effectively avoid interfering and can play the positioning action when not just.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721741.3U CN211219812U (en) | 2019-10-14 | 2019-10-14 | Claw unlocking device of chain type tool magazine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721741.3U CN211219812U (en) | 2019-10-14 | 2019-10-14 | Claw unlocking device of chain type tool magazine |
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| Publication Number | Publication Date |
|---|---|
| CN211219812U true CN211219812U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921721741.3U Active CN211219812U (en) | 2019-10-14 | 2019-10-14 | Claw unlocking device of chain type tool magazine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561164A (en) * | 2019-10-14 | 2019-12-13 | 沈阳中捷航空航天机床有限公司 | Claw unlocking device of chain type tool magazine |
-
2019
- 2019-10-14 CN CN201921721741.3U patent/CN211219812U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561164A (en) * | 2019-10-14 | 2019-12-13 | 沈阳中捷航空航天机床有限公司 | Claw unlocking device of chain type tool magazine |
| CN110561164B (en) * | 2019-10-14 | 2024-04-02 | 沈阳中捷航空航天机床有限公司 | Claw unlocking device of chain type tool magazine |
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