Mechanism capable of assisting in dismounting zero-point quick-change end grinding tool

Abstract

The utility model relates to a mechanism capable of assisting in dismantling a zero-point quick-change end grinding tool, which comprises a clamp supporting piece, a driving element used for driving a grinding disc is arranged on one side of the clamp supporting piece, and a zero-point quick-change clamp is further arranged between the top of the driving element and the grinding disc. The side wall of the clamp supporting piece is further provided with a dismounting mechanism capable of pulling out the grinding disc connected with the end of the zero-point quick-change clamp. After clamping of the zero-point quick-change clamp is released, the dismounting mechanism can apply upward thrust to the bottom of the grinding disc until the grinding disc is completely separated from the interior of the zero-point quick-change clamp.

Description

Technical Field

[0001] This utility model relates to the field of clamping technology, specifically to a mechanism that can assist in the removal of the zero-point quick-change end mold. Background Technology

[0002] Due to their operational flexibility, robotic arms have been increasingly applied in the grinding field. However, most grinding tools and consumables currently on the market are designed for manual operation and are not suitable for direct use by robotic arms. Although some research and inventions have begun regarding grinding tools for robotic arms, there is very little research on new forms of consumables specifically designed for robotic arm grinding, as well as automated systems that better integrate consumables with grinding tools.

[0003] Application publication number CN114800263A discloses a quick-change structure for grinding discs in automated grinding by a robotic arm, including a grinding disc, a tray assembly, a tool holder, and a central air cylinder gripper assembly; a lower toothed snap-fit ​​disc is fixed to the back of the grinding disc; the tray assembly consists of an upper toothed disc, a retractable locking pin mechanism, a grinding disc support tray, and a spindle, and the retractable locking pin mechanism grips the lower toothed snap-fit ​​disc on the grinding disc onto the upper toothed disc, realizing the meshing of the gears on both sides; one end of the tool holder is connected to the grinding disc through the tray assembly, and the other end of the tool holder is mounted and connected to the grinding machine.

[0004] The authorization announcement number CN221985149U discloses a robot end effector quick-change disc device with dual detection feedback. The air-stop steel ball in the device is quickly disassembled and assembled under air pressure, which utilizes the clamping principle of zero-point quick change.

[0005] However, the existing solutions still have certain limitations: 1. If the automated grinding of the robotic arm is completed by clamping the grinding disc using a zero-point quick-change fixture, the grinding disc may not fall off completely or slowly after the zero-point quick-change fixture is released from its limit, which brings inconvenience to the quick change of the grinding wheel; 2. How to replace the grinding disc without damaging the structure of the zero-point quick-change fixture and the grinding wheel is also a problem that needs to be considered. Summary of the Invention

[0006] This utility model mainly addresses the problem of disassembling the cutting tool at the end of the zero-point quick-change fixture. It proposes a mechanism that can assist in disassembling the grinding wheel at the end of the zero-point quick-change fixture. After the zero-point quick-change fixture is released from clamping, the piston rod of the telescopic cylinder extends and drives the push plate element to move upward. During the upward movement of the push plate element, it applies an upward thrust to the bottom of the grinding disc until it is completely detached from the inside of the zero-point quick-change fixture.

[0007] The purpose of this invention is achieved through the following technical solution: a mechanism that can assist in the removal of a zero-point quick-change end mold, including a clamp support member, a mold and a driving element for driving the mold are provided on one side of the clamp support member, a zero-point quick-change clamp is also provided between the top of the driving element and the mold, and a removal mechanism for pulling out the mold connected inside the zero-point quick-change clamp is also provided on the side wall of the clamp support member.

[0008] Preferably, the driving element is an angle grinder, the bottom of the zero-point quick-change fixture is connected to the angle grinder, and the grinding wheel is detachably connected to the inside of the zero-point quick-change fixture. After this setting, the zero-point quick-change fixture rotates with the rotation of the angle grinder shaft.

[0009] Preferably, a grinding disc support shaft is fixedly connected to the middle of the grinding tool, and the surface of the grinding disc support shaft is also provided with an annular groove adapted to the steel balls inside the zero-point quick-change fixture.

[0010] Preferably, the surface of the grinding disc support shaft is also provided with a support boss that can fit against the surface of the zero-point quick-change fixture under stress. This arrangement is to provide better support stability between the surfaces of the zero-point quick-change fixture and the zero-point quick-change fixture.

[0011] Preferably, the removal mechanism includes a telescopic cylinder and a push plate element connected to the end of the piston rod of the telescopic cylinder, the push plate element being able to apply a thrust to the bottom of the mold.

[0012] Preferably, the end of the push plate element is provided with a clearance groove to avoid the grinding disc support shaft. This is to ensure that the push plate element does not interfere with the grinding disc support shaft and the zero-point quick-change fixture during the movement.

[0013] Preferably, the clamp support is a plate with a right-angled cross-section, and the end of the clamp support is also provided with a support horizontal plate and a plurality of support vertical plates installed on the surface of the support horizontal plate, and the driving element is installed between the plurality of support vertical plates.

[0014] Preferably, the surface of the zero-point quick-change fixture is provided with several limiting grooves, and the bottom of the support boss is provided with several limiting shafts that are adapted to the limiting grooves. This arrangement ensures that the limiting shafts are locked inside the limiting grooves to prevent the axial rotation of the grinding disc support shaft.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. After the zero-point quick-change fixture is released, the piston rod of the telescopic cylinder extends and drives the push plate element to move upward. During the upward movement of the push plate element, it will apply an upward thrust to the bottom of the grinding disc until it is completely disengaged from the inside of the zero-point quick-change fixture. This not only improves the speed of removing the grinding disc, but also eliminates the need for manual intervention in the removal process, bringing convenience to the production process.

[0017] 2. The clearance groove design on the push plate element ensures that when pressure is applied to the bottom of the grinding disc, it will not interfere with the grinding disc support shaft or the zero-point quick-change fixture, nor with the internal or external structure of the zero-point quick-change fixture. Instead, it acts on the grinding disc that is about to be replaced, thereby reducing the impact on other parts while assisting in disassembly, making the entire mechanism more reliable. Attached Figure Description

[0018] Figure 1 This is a perspective view of the present utility model;

[0019] Figure 2 This is a perspective view of the present invention after the grinding disc has been removed from the drive element;

[0020] Figure 3 This is a perspective view of the grinding disc and grinding disc support shaft of this utility model;

[0021] Figure 4 This is a perspective view of the present utility model;

[0022] Figure 5 For the present utility model in Figure 2 A magnified view of region A in the image.

[0023] The markings in the diagram are: 1. Fixture support; 11. Support horizontal plate; 12. Support vertical plate; 2. Drive element; 3. Zero-point quick-change fixture; 31. Limiting groove; 4. Removal mechanism; 41. Telescopic cylinder; 42. Push plate element; 421. Clearance groove; 5. Grinding mold; 51. Grinding disc support shaft; 511. Annular groove; 52. Support boss; 53. Limiting shaft. Detailed Implementation

[0024] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings:

[0025] like Figure 1 and Figure 2As shown, a mechanism for assisting in the removal of a quick-change end mill includes a clamping support 1 for connection to the end of a worker robot. One side of the clamping support 1 is provided with a driving element 2 for driving a grinding disc 5. The clamping support 1 is a plate with a right-angled cross-section. The end of the clamping support 1 also has a supporting horizontal plate 11 and several supporting vertical plates 12 mounted on the surface of the supporting horizontal plate 11. The driving element 2 is mounted between the several supporting vertical plates 12. The driving element 2 is an angle grinder. The bottom of the quick-change clamp 3 is connected to the angle grinder, and the grinding disc 5 is detachably connected to the interior of the quick-change clamp 3.

[0026] The horizontal support plate 11, the vertical support plate 12, and the fixture support 1 are designed to be detachable. This design facilitates disassembly and maintenance. Furthermore, the structural fit between the horizontal support plate 11 and the vertical support plate 12 forms a recessed surface that reduces the height, allowing the drive element 2 to better perform its function after the fixture support 1 is installed. During the grinding process, the drive element 2 will not interfere with the robotic arm.

[0027] Please continue to refer to this. Figure 3 and Figure 5 A quick-change fixture 3 is provided between the top of the driving element 2 and the grinding disc 5. A grinding disc support shaft 51 is fixedly connected to the middle of the grinding disc 5. The surface of the grinding disc support shaft 51 is also provided with an annular groove 511 adapted to the steel ball inside the quick-change fixture 3. The surface of the grinding disc support shaft 51 is also provided with a support boss 52 that can fit against the surface of the quick-change fixture 3. The surface of the quick-change fixture 3 is also provided with several limiting grooves 31, and the bottom of the support boss 52 is provided with several limiting shafts 53 adapted to the limiting grooves 31.

[0028] When the grinding disc 5 is installed inside the zero-point quick-change fixture 3, the steel balls inside the fixture 3 are no longer compressed by air pressure, and are in a movable state. The grinding disc support shaft 51 can extend into the zero-point quick-change fixture 3. During the extension process, the bottom surface of the support boss 52 will fit against the surface of the grinding disc support shaft 51 to bear the load between surfaces. During the extension process, the limiting shaft 53 needs to be locked inside the limiting groove 31 to prevent the axial rotation of the grinding disc support shaft 51. Finally, the steel balls inside the zero-point quick-change fixture 3 can be pressed into the annular groove 511 of the grinding disc support shaft 51 under the action of air pressure.

[0029] Please continue to refer to this. Figure 4The side wall of the clamp support 1 is also provided with a removal mechanism 4 that can pull out the grinding wheel 5 connected inside the zero-point quick-change clamp 3. The removal mechanism 4 includes a telescopic cylinder 41 and a push plate element 42 connected to the piston rod end of the telescopic cylinder 41. The push plate element 42 can apply a pushing force to the bottom of the grinding disc 5. The end of the push plate element 42 is provided with a relief groove 421 to avoid the grinding disc support shaft 51.

[0030] The grinding disc 5, grinding disc support shaft 51, and support boss 52 can be a separate module that can be detachably connected to the zero-point quick-change fixture 3. When replacing a damaged grinding disc 5, the worker can remove the grinding disc support shaft 51 and support boss 52, take away the damaged grinding disc 5, and reconnect a new grinding disc 5 to the grinding disc support shaft 51.

[0031] When the steel balls inside the zero-point quick-change fixture 3 are in a movable state, the restriction on the grinding disc support shaft 51 is released. Then, the piston rod of the telescopic cylinder 41 extends and drives the push plate element 42 to move upward. During the upward movement of the push plate element 42, it applies an upward thrust to the bottom of the grinding disc 5. Then, the entire module of the grinding disc 5, grinding disc support shaft 51, and support boss 52 will move upward until it disengages from the inside of the zero-point quick-change fixture 3.

[0032] Working principle and usage of this utility model:

[0033] The drive element 2 is installed between several support plates 12. The bottom of the quick-change fixture 3 is installed on the rotating shaft of the angle grinder, so that the quick-change fixture 3 rotates with the rotation of the angle grinder shaft. When the grinding disc 5 is installed inside the quick-change fixture 3, the steel balls inside the quick-change fixture 3 are no longer compressed by air pressure, and the steel balls are in a movable state inside the quick-change fixture 3. The grinding disc support shaft 51 can extend into the interior of the quick-change fixture 3. During the extension of the grinding disc support shaft 51, the bottom surface of the support boss 52 will fit against the surface of the grinding disc support shaft 51 to bear the force between the surfaces. During the extension of the grinding disc support shaft 51, the limiting shaft 53 needs to be locked inside the limiting groove 31 to prevent the axial movement of the grinding disc support shaft 51. Finally, the steel balls inside the quick-change fixture 3 can be pressed into the annular groove 511 of the grinding disc support shaft 51 under the action of air pressure.

[0034] When the steel balls inside the zero-point quick-change fixture 3 are in a movable state, the restriction on the grinding disc support shaft 51 is released. Then, the piston rod of the telescopic cylinder 41 extends and drives the push plate element 42 to move upward. During the upward movement of the push plate element 42, it applies an upward thrust to the bottom of the grinding disc 5. Then, the entire module of the grinding disc 5, grinding disc support shaft 51, and support boss 52 will move upward until it disengages from the inside of the zero-point quick-change fixture 3.

[0035] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or adopt similar methods to replace them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A mechanism for assisting in the removal of a zero-point quick-change end mill, comprising a clamping support (1), wherein a mill (5) is provided on one side of the clamping support (1) and a driving element (2) for driving the mill (5), characterized in that, A zero-point quick-change clamp (3) is provided between the top of the drive element (2) and the grinding mold (5), and a removal mechanism (4) is provided on the side wall of the clamp support (1) to pull out the grinding mold (5) connected inside the zero-point quick-change clamp (3).

2. The mechanism for assisting in the removal of the zero-point quick-change end mold according to claim 1, characterized in that, The driving element (2) is an angle grinder, the grinding wheel (5) is a grinding disc, the bottom of the zero-point quick-change fixture (3) is connected to the angle grinder, and the grinding wheel (5) is detachably connected to the inside of the zero-point quick-change fixture (3).

3. The mechanism for assisting in the removal of the zero-point quick-change end mold according to claim 2, characterized in that, The grinding wheel (5) is fixedly connected to the middle of the grinding wheel support shaft (51), and the surface of the grinding wheel support shaft (51) is also provided with an annular groove (511) adapted to the steel ball inside the zero-point quick-change clamp (3).

4. The mechanism for assisting in the removal of the zero-point quick-change end mold according to claim 3, characterized in that, The surface of the grinding disc support shaft (51) is also provided with a support boss (52) that can fit against the surface of the zero-point quick-change clamp (3) under force.

5. The mechanism for assisting in the removal of the zero-point quick-change end mold according to claim 4, characterized in that, The dismantling mechanism (4) includes a telescopic cylinder (41) and a push plate element (42) connected to the piston rod end of the telescopic cylinder (41), the push plate element (42) being able to apply a thrust to the bottom of the mold (5).

6. The mechanism for assisting in the removal of the zero-point quick-change end mold according to claim 5, characterized in that, The end of the push plate element (42) is provided with a clearance groove (421) to avoid the grinding disc support shaft (51).

7. The mechanism for assisting in the removal of the zero-point quick-change end mold according to claim 1, characterized in that, The clamp support (1) is a plate with a right-angled cross-section. The end of the clamp support (1) is also provided with a support horizontal plate (11) and a number of support vertical plates (12) installed on the surface of the support horizontal plate (11). The driving element (2) is installed between the number of support vertical plates (12).

8. The mechanism for assisting in the removal of the zero-point quick-change end mold according to claim 6, characterized in that, The surface of the zero-point quick-change fixture (3) is also provided with several limiting grooves (31), and the bottom of the support boss (52) is provided with several limiting shafts (53) adapted to the limiting grooves (31).

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