Quick-change suction nozzle mechanism

Abstract

The utility model discloses a quick-change suction nozzle mechanism which comprises a fixing plate, a ventilation connector, a shaft core, a limiting block, a ball, a connecting piece, a shell, a first compression spring and a suction nozzle, the top of the shaft core is connected with the bottom of the fixing plate, the ventilation connector is connected with the side face of the fixing plate, and the ventilation connector is communicated with the top end of a connecting hole through a gas pipeline in the fixing plate. The ball can protrude out of the inner wall of the connecting hole or the outer wall of the shaft core, the limiting block is annular, the outer ring of the limiting block is fixedly connected to the inner wall of the shell, the shaft core is sleeved with the first compression spring, the connecting piece is provided with a vent hole in the axial direction in a penetrating mode, and a slope is arranged on the top wall of the connecting groove. The balls can retract into the positioning holes under extrusion of the slopes and protrude out of the outer wall of the shaft core. The suction nozzle can be disassembled and assembled without a tool.

Description

Technical Field

[0001] The utility model relates to a suction nozzle mechanism, in particular to a quick-change suction nozzle mechanism. Background Art

[0002] With the development of the times, industrial production technology is also developing rapidly, and automated equipment is being used more and more in industrial production. At present, the suction equipment used for adsorbing workpieces is usually adapted by replacing different types of suction nozzles in order to adapt to workpieces of different sizes. However, the existing suction nozzle fixing mechanism usually requires the use of tools to achieve the disassembly and assembly of the suction nozzle, resulting in low disassembly and assembly efficiency. It lacks competitiveness in the industrial field that emphasizes cost reduction and efficiency improvement, and is not conducive to large-scale promotion and industrialized production. Utility Model Content

[0003] In order to overcome the above-mentioned defects, the utility model provides a quick-change nozzle mechanism, which has the advantage of being able to disassemble and assemble the nozzle without relying on tools.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a quick-change suction nozzle mechanism, including: a fixing plate, a vent joint, a shaft core, a limit block, a ball, a connecting piece, a shell, a first compression spring and a suction nozzle, the top of the shaft core is connected to the bottom of the fixing plate, the vent joint is connected to the side of the fixing plate, a connecting hole is provided along the axial direction of the shaft core, the vent joint is connected to the top of the connecting hole through the gas pipeline inside the fixing plate, a positioning hole is provided at the bottom of the shaft core along the radial direction of the shaft core, the two ends of the positioning hole are respectively connected to the inner wall of the connecting hole and the outer wall of the shaft core, the ball is arranged in the positioning hole and can move in the positioning hole, the ball can protrude from the inner wall of the connecting hole or the outer wall of the shaft core, the limit block is annular, the inner ring of the limit block is slidably sleeved on the shaft core, the outer ring of the limit block is fixedly connected to the inner wall of the shell, the first compression spring is sleeved on the shaft core, the first compression spring The two ends respectively rest against the bottom surface of the fixing plate and the top surface of the limit block, and the connecting piece is provided with a vent hole along the axial direction, and the top of the connecting piece is provided with a circle of connecting grooves around the circumference of the connecting piece, and the top wall of the connecting groove is provided with a slope, and the top of the connecting piece is detachably inserted into the bottom end of the connecting hole, and the top of the suction nozzle is inserted into the bottom end of the vent hole. The limit block can be driven by the first compression spring to approach the positioning hole, and the inner ring of the limit block can squeeze the ball protruding from the outer wall of the shaft core. The ball can be retracted into the positioning hole and protruded from the inner wall of the connecting hole under the extrusion of the limit block. The ball protruding from the inner wall of the connecting hole can be stuck in the connecting groove, and the outer shell can be driven by external force to approach the fixed plate and drive the limit block away from the positioning hole. The connecting piece can be driven by external force to move away from the shaft core and drive the slope to squeeze the ball, and the ball can be retracted into the positioning hole and protruded from the outer wall of the shaft core under the extrusion of the slope.

[0005] Optionally, a threaded hole for fixing is provided on the top of the fixing plate, and the gas pipeline inside the fixing plate includes an air inlet and an air outlet, the air outlet is located on the side of the fixing plate, and the air inlet is located on the bottom of the fixing plate, the first end of the vent joint is detachably connected to the air outlet of the gas pipeline through a thread, the second end of the vent joint is detachably connected to the first end of the air pipe through a clamp, and the second end of the air pipe is connected to the vacuum generator.

[0006] Optionally, the top of the shaft core is fixed to the bottom surface of the fixed plate by glue, the top of the connecting hole is connected to the air inlet of the gas pipeline, and the outer ring of the limit block is fixed to the inner wall of the shell by glue.

[0007] Optionally, an anti-rotation groove is provided at the top end of the connecting piece, and a positioning block is provided on the inner wall of the connecting hole protruding radially, and the positioning block can be inserted into the anti-rotation groove.

[0008] Optionally, the side wall of the connecting piece is provided with a fixing platform protruding radially, a threaded hole is penetrated through the side wall of the fixing platform, and a limiting groove is provided on the side wall of the suction nozzle along the axial direction of the suction nozzle. The limiting screw is threadedly connected to the threaded hole, and the top end of the suction nozzle is slidably inserted into the vent hole. The end of the limiting screw can extend into the limiting groove, and the end of the limiting screw can abut against the top wall of the limiting groove or the bottom wall of the limiting groove.

[0009] Optionally, a second compression spring is further included. The side wall of the suction nozzle is radially protruding with a positioning platform. The second compression spring is sleeved on the suction nozzle, and both ends of the second compression spring respectively abut against the bottom surface of the fixing platform and the top surface of the positioning platform.

[0010] Optionally, the number of the positioning holes and the number of the balls are both four, and the four positioning holes are arranged at intervals in the circumferential direction around the shaft core, with one positioning hole corresponding to one ball.

[0011] As an option, the top end of the fixing platform can abut against the bottom end of the shaft core.

[0012] Optionally, a limit ring is provided on the outer peripheral wall of the bottom end of the shaft core protruding radially, and the bottom end of the limit block can abut against the top end of the limit ring.

[0013] The beneficial technical effect of the utility model is that the quick-change nozzle mechanism includes: a fixing plate, a vent joint, a shaft core, a limit block, a ball, a connecting piece, a shell, a first compression spring and a nozzle. When the nozzle needs to be fixed, the shell is first lifted upward. At this time, the shell drives the limit block away from the positioning hole, and the ball is in an active state. Then the top end of the connecting piece is inserted into the bottom end of the connecting hole. Then, the shell is released, and the limit block approaches the positioning hole under the drive of the first compression spring. The inner ring of the limit block can cover the positioning hole and squeeze the ball. The ball protrudes out of the connecting hole under the squeezing of the limit block. The ball protruding from the inner wall of the connecting hole can be stuck in the connecting groove. At this time, the connecting piece and the shaft core are axially fixed. When the suction nozzle needs to be removed, the shell is lifted upward. At this time, the limit block is away from the positioning hole, and the ball is in an active state. Then the connecting piece is pulled downward. Since the top wall of the connecting groove is provided with a slope, the slope can squeeze the ball. Under the pressure of the slope, the ball retracts into the positioning hole and protrudes from the outer wall of the shaft core. At this time, the ball is separated from the connecting groove. After the ball is not fixed, the connecting piece is in an active state and can be separated from the connecting hole, thereby realizing the disassembly and assembly of the suction nozzle without relying on tools. It has the advantage of not relying on tools to realize the disassembly and assembly of the suction nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional view of the entire machine of the utility model;

[0015] Figure 2 This is a three-dimensional exploded view of the entire machine of the utility model;

[0016] Figure 3 This is a three-dimensional view of the second compression spring, the connecting piece and the suction nozzle of the utility model;

[0017] in:

[0018] 1. Fixing plate; 2. Ventilation joint; 3. Shaft core; 4. Limit block; 5. Ball; 6. Connector; 7. Housing; 8. First compression spring; 9. Suction nozzle; 10. Clamp; 11. Limit screw; 12. Second compression spring; 13. Connecting groove; 14. Positioning hole; 15. Positioning platform; 16. Anti-rotation groove. DETAILED DESCRIPTION

[0019] In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the specific implementation methods of the present invention are further described in detail below in conjunction with the drawings and examples. The following examples are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0020] This specific embodiment describes in detail the quick-change nozzle mechanism described in this application. Figure 1-Figure 3As shown, the quick-change nozzle mechanism includes: a fixed plate 1, a vent joint 2, a shaft core 3, a limit block 4, a ball 5, a connecting piece 6, a shell 7, a first compression spring 8 and a nozzle 9. The top of the shaft core 3 is connected to the bottom of the fixed plate 1, the vent joint 2 is connected to the side of the fixed plate 1, and a connecting hole is opened along the axial direction of the shaft core 3. The vent joint 2 is connected to the top of the connecting hole through the gas pipeline inside the fixed plate 1. A positioning hole 14 is opened at the bottom of the shaft core 3 along the radial direction of the shaft core 3. The two ends of the positioning hole 14 are respectively connected to the inner wall of the connecting hole and the outer wall of the shaft core 3. The ball 5 is arranged in the positioning hole 14 and can move in the positioning hole 14. The ball 5 can protrude from the inner wall of the connecting hole or the outer wall of the shaft core 3. The limit block 4 is annular, and the inner ring of the limit block 4 is slidably sleeved on the shaft core 3. The outer ring of the limit block 4 is fixedly connected to the inner wall of the shell 7. The first compression spring 8 is sleeved on the shaft core 3, and the two ends of the first compression spring 8 respectively abut against the fixed plate 1 The bottom surface and the top surface of the limit block 4, the connecting piece 6 is provided with a vent hole along the axial direction, and the top end of the connecting piece 6 is provided with a circle of connecting grooves 13 around the circumference of the connecting piece 6, and the top wall of the connecting groove 13 is provided with a slope, and the top end of the connecting piece 6 is detachably inserted into the bottom end of the connecting hole, and the top end of the suction nozzle 9 is inserted into the bottom end of the vent, and the limit block 4 can be driven by the first compression spring 8 to approach the positioning hole 14, and the inner ring of the limit block 4 can squeeze the ball 5 protruding from the outer wall of the shaft core 3, and the ball 5 can be retracted into the positioning hole 14 and protrude from the inner wall of the connecting hole under the extrusion of the limit block 4, and the ball 5 protruding from the inner wall of the connecting hole can be stuck in the connecting groove 13, and the outer shell 7 can be driven by external force to approach the fixed plate 1 and drive the limit block 4 away from the positioning hole 14, and the connecting piece 6 can be driven by external force to move away from the shaft core 3 and drive the slope to squeeze the ball 5, and the ball 5 can be retracted into the positioning hole 14 and protrude from the outer wall of the shaft core 3 under the extrusion of the slope. When the suction nozzle 9 needs to be fixed, the housing 7 is first lifted upward. At this time, the housing 7 drives the limit block 4 away from the positioning hole 14, and the ball 5 is in an active state. Then the top end of the connector 6 is inserted into the bottom end of the connecting hole, and then the housing 7 is released. The limit block 4 is driven by the first compression spring 8 to approach the positioning hole 14. The inner ring of the limit block 4 can cover the positioning hole 14 and squeeze the ball 5. The ball 5 protrudes from the inner wall of the connecting hole 14 under the squeezing of the limit block 4. The ball 5 protruding from the inner wall of the connecting hole 14 can be stuck in the connecting groove 13. At this time, the connector 6 The housing 7 is axially fixed to the shaft core 3. When the suction nozzle 9 needs to be removed, the housing 7 is lifted upwards. At this time, the limit block 4 is away from the positioning hole 14, and the ball 5 is in an active state. Then, the connector 6 is pulled downwards. Since the top wall of the connecting groove 13 is provided with a slope, the slope can squeeze the ball 5. Under the squeezing of the slope, the ball 5 retracts into the positioning hole 14 and protrudes from the outer wall of the shaft core 3. At this time, the ball 5 is separated from the connecting groove 13. Without the fixed ball 5, the connector 6 is in an active state and can be separated from the connecting hole, thereby realizing the disassembly and assembly of the suction nozzle without relying on tools. It has the advantage of realizing disassembly and assembly of the suction nozzle without relying on tools.

[0021] In this embodiment, optionally, a threaded hole for fixing is provided on the top of the fixed plate 1, and the gas pipeline inside the fixed plate 1 includes an air inlet and an air outlet, the air outlet is located on the side of the fixed plate 1, and the air inlet is located on the bottom of the fixed plate 1, and the first end of the vent joint 2 is detachably connected to the air outlet of the gas pipeline through a thread, and the second end of the vent joint 2 is detachably connected to the first end of the air pipe through a clamp 10, and the second end of the air pipe is connected to the vacuum generator.

[0022] Optionally in this embodiment, the top of the shaft core 3 is fixed to the bottom surface of the fixed plate 1 by glue, the top of the connecting hole is connected to the air inlet of the gas pipeline, and the outer ring of the limit block 4 is fixed to the inner wall of the shell 7 by glue.

[0023] Optionally, in this embodiment, an anti-rotation groove 16 is provided at the top of the connecting member 6, and a positioning block is provided on the inner wall of the connecting hole protruding radially, which can be snapped into the anti-rotation groove 16. In this way, the connecting member 6 and the shaft core 3 are circumferentially fixed to prevent the connecting member 6 from rotating.

[0024] In this embodiment, optionally, a fixing platform is provided on the side wall of the connecting member 6 protruding radially, and a threaded hole is provided through the side wall of the fixing platform. A limiting groove is provided on the side wall of the suction nozzle 9 along the axial direction of the suction nozzle 9. The limiting screw 11 is threadedly connected to the threaded hole, and the top end of the suction nozzle 9 is slidably inserted into the vent hole. The end of the limiting screw 11 can extend into the limiting groove, and the end of the limiting screw 11 can abut against the top wall of the limiting groove or the bottom wall of the limiting groove. In this embodiment, when the limiting screw 11 is tightened, the end of the limiting screw 11 can be close to the inner wall of the limiting groove to fix the suction nozzle 9 and the connecting member 6. When the limiting screw 11 is loosened, the end of the limiting screw 11 can move within the limiting groove to adjust the length of the suction nozzle 9 extending out of the vent hole.

[0025] Optionally, this embodiment further includes a second compression spring 12. A positioning platform 15 is provided on the side wall of the suction nozzle 9 in a radially protruding manner. The second compression spring 12 is sleeved on the suction nozzle 9, and the two ends of the second compression spring 12 respectively abut against the bottom surface of the fixing platform and the top surface of the positioning platform 15. The second compression spring 12 can play a buffering role. In this embodiment, if the buffering function is required, the limiting screw 11 needs to be loosened first, so that the suction nozzle 9 can be pushed away from the connecting member 6 by the second compression spring 12 until the end of the limiting screw 11 abuts against the top wall of the limiting groove. When the suction nozzle 9 is subjected to pressure, the second compression spring 12 can be compressed to play a buffering role, thereby preventing the suction nozzle 9 from being crushed due to excessive impact when the suction nozzle 9 contacts the workpiece.

[0026] Optionally, in this embodiment, the number of the positioning holes 14 and the number of the balls 5 are both four. The four positioning holes 14 are arranged at intervals in the circumferential direction around the shaft core 3 , and one positioning hole 14 corresponds to one ball 5 .

[0027] Optionally, in this embodiment, the top end of the fixing platform can abut against the bottom end of the shaft core 3. The top end of the fixing platform can play a role of limiting.

[0028] In this embodiment, a limit ring is optionally provided radially protruding from the outer peripheral wall of the bottom end of the shaft core 3, and the bottom end of the limit block 4 can abut against the top end of the limit ring. The limit ring prevents the limit block 4 from detaching from the bottom end of the shaft core 3. When the bottom end of the limit block 4 abuts against the top end of the limit ring, the inner ring of the limit block 4 can squeeze the ball 5 protruding from the outer wall of the shaft core 3.

[0029] The use of the quick-change nozzle mechanism in this embodiment has the advantage of not relying on tools to disassemble and assemble the nozzle.

Claims

1. A quick-change nozzle mechanism, characterized in that: include: A fixing plate (1), a vent joint (2), an axis core (3), a limit block (4), a ball (5), a connector (6), a housing (7), a first compression spring (8) and a suction nozzle (9); the top of the axis core (3) is connected to the bottom of the fixing plate (1); the vent joint (2) is connected to the side of the fixing plate (1); a connecting hole is provided along the axial direction of the axis core (3); the vent joint (2) is connected to the top of the connecting hole through the gas pipeline inside the fixing plate (1); a positioning hole (14) is provided at the bottom of the axis core (3) along the radial direction of the axis core (3); The two ends of the positioning hole (14) are respectively connected to the inner wall of the connecting hole and the outer wall of the shaft core (3); the ball (5) is arranged in the positioning hole (14) and can move in the positioning hole (14); the ball (5) can protrude from the inner wall of the connecting hole or the outer wall of the shaft core (3); the limiting block (4) is annular; the inner ring of the limiting block (4) is slidably sleeved on the shaft core (3); the outer ring of the limiting block (4) is fixedly connected to the inner wall of the housing (7); the first compression spring (8) is sleeved on the shaft core (3); the two ends of the first compression spring (8) respectively abut against the inner wall of the fixing plate (1); The bottom surface and the top surface of the limit block (4), the connecting member (6) is provided with a vent hole along the axial direction, the top end of the connecting member (6) is provided with a circle of connecting grooves (13) around the circumference of the connecting member (6), the top wall of the connecting groove (13) is provided with a slope, the top end of the connecting member (6) is detachably plugged into the bottom end of the connecting hole, the top end of the suction nozzle (9) is plugged into the bottom end of the vent hole, the limit block (4) can be driven by the first compression spring (8) to approach the positioning hole (14), and the inner ring of the limit block (4) can squeeze the ball (5) protruding from the outer wall of the shaft core (3) ), the ball (5) can be retracted into the positioning hole (14) and protruded from the inner wall of the connecting hole under the pressure of the limiting block (4), and the ball (5) protruding from the inner wall of the connecting hole can be inserted into the connecting groove (13), the housing (7) can be driven by an external force to approach the fixing plate (1) and drive the limiting block (4) away from the positioning hole (14), the connecting member (6) can be driven by an external force to move away from the shaft core (3) and drive the slope to squeeze the ball (5), and the ball (5) can be retracted into the positioning hole (14) and protruded from the outer wall of the shaft core (3) under the pressure of the slope.

2. The quick-change nozzle mechanism according to claim 1, characterized in that: A threaded hole for fixing is provided on the top of the fixing plate (1); the gas pipeline inside the fixing plate (1) includes an air inlet and an air outlet, the air outlet is located on the side of the fixing plate (1), and the air inlet is located on the bottom of the fixing plate (1); the first end of the vent joint (2) is detachably connected to the air outlet of the gas pipeline via a thread; the second end of the vent joint (2) is detachably connected to the first end of the air pipe via a clamp (10); and the second end of the air pipe is connected to a vacuum generator.

3. The quick-change nozzle mechanism according to claim 2, characterized in that: The top end of the shaft core (3) is fixed to the bottom surface of the fixed plate (1) by adhesive, the top end of the connecting hole is connected to the air inlet of the gas pipeline, and the outer ring of the limit block (4) is fixed to the inner wall of the shell (7) by adhesive.

4. The quick-change nozzle mechanism according to claim 3, characterized in that: The top end of the connecting piece (6) is provided with an anti-rotation groove (16), and the inner wall of the connecting hole is provided with a positioning block protruding radially, and the positioning block can be clamped into the anti-rotation groove (16).

5. The quick-change nozzle mechanism according to claim 4, characterized in that: The side wall of the connecting member (6) is provided with a fixing platform protruding radially, and a threaded hole is provided through the side wall of the fixing platform. The side wall of the suction nozzle (9) is provided with a limiting groove along the axial direction of the suction nozzle (9), and a limiting screw (11) is threadedly connected to the threaded hole. The top end of the suction nozzle (9) is slidably inserted into the vent hole, and the end of the limiting screw (11) can extend into the limiting groove, and the end of the limiting screw (11) can abut against the top wall of the limiting groove or the bottom wall of the limiting groove.

6. The quick-change nozzle mechanism according to claim 5, characterized in that: The suction nozzle (9) further comprises a second compression spring (12), a positioning platform (15) protruding radially from the side wall of the suction nozzle (9), the second compression spring (12) being sleeved on the suction nozzle (9), and the two ends of the second compression spring (12) respectively abutting against the bottom surface of the fixing platform and the top surface of the positioning platform (15).

7. The quick-change nozzle (9) mechanism according to claim 1, characterized in that: The number of the positioning holes (14) and the number of the balls (5) are both four. The four positioning holes (14) are arranged at intervals in the circumferential direction around the shaft core (3), and one positioning hole (14) corresponds to one ball (5).

8. The quick-change nozzle mechanism according to claim 5, characterized in that: The top end of the fixing platform can abut against the bottom end of the shaft core (3).

9. The quick-change nozzle mechanism according to claim 1, characterized in that: A limiting ring is provided on the outer peripheral wall of the bottom end of the shaft core (3) protruding radially, and the bottom end of the limiting block (4) can abut against the top end of the limiting ring.

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