Positioning and clamping device for carrying machine

Abstract

The utility model discloses a positioning and clamping device for a carrying machine, which comprises a lower loading platform, a mounting frame, a clamping jaw mounted on the mounting frame, and a clamping driving mechanism used for driving the clamping jaw to clamp or open, and the clamping jaw comprises a mounting seat mounted on the mounting frame, a plurality of clamping plates rotationally connected to the mounting seat, and a first elastic piece; the clamping driving mechanism comprises an ejector rod assembly slidably arranged in the mounting base in the Z-axis direction and a Z-axis driving assembly mounted on the mounting frame and used for driving the ejector rod assembly to move up and down. The horizontal driving mechanism is used for driving the clamping jaw part to adjust the position of the clamping jaw part in the horizontal direction so as to adjust the position of a workpiece in the horizontal direction, the Z-axis driving assembly drives the ejector rod assembly to move upwards, the ejector rod assembly expands the upper end of the clamping plate outwards after moving upwards so that the clamping jaw can be opened, and meanwhile the ejector rod assembly moves upwards. The workpiece which is originally located between the clamping plates is jacked up to a work station where the workpiece is taken and placed, and the efficiency of workpiece pushing, clamping and positioning is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of positioning clamping devices for mounting machine. BACKGROUND

[0002] The ceramic base production device needs to realize the full-automatic contactless conveying detection of ceramic base in production process, the existing conveying clamping structure matched with video detection includes clamping positioning component and pushing component, after pushing component completes pushing action reset, clamping positioning component carries out clamping positioning again, action cycle is longer, and detection efficiency is influenced. SUMMARY

[0003] The utility model aims at providing a kind of positioning clamping devices for mounting machine, and pushing, clamping positioning action can be completed only in one step, and action efficiency is high.

[0004] To achieve the above object, the technical scheme adopted by the utility model is as follows: a kind of positioning clamping devices for mounting machine, it includes:

[0005] Download platform, it has the upper end surface of flatness, along the left and right direction of the upper end surface of the download platform is X axis direction, along the front and rear direction of the upper end surface of the download platform is Y axis direction, perpendicular to the direction of X axis and Y axis is Z axis direction;

[0006] Clamping jaw part, it includes mounting frame installed on the download platform, clamping jaw installed on the mounting frame, clamping drive mechanism for driving the clamping jaw to clamp or open;

[0007] Horizontal drive mechanism, it is installed on the download platform, and the clamping jaw part is installed on the horizontal drive mechanism and is driven along X axis and Y axis by the horizontal drive mechanism;

[0008] The clamping jaw includes mounting seat installed on the mounting frame, a plurality of clamping plates rotatably connected to the mounting seat, first elastic member for making the upper end of clamping plate always have the tendency of gathering to the center;The clamping drive mechanism includes top rod assembly slidingly arranged in the mounting seat along Z axis direction, Z axis drive assembly installed on the mounting frame for driving the top rod assembly to move up and down.

[0009] Another embodiment, the clamping jaw includes a plurality of rotating shaft fixing plates formed on the peripheral surface of mounting seat, clamping rotating shaft installed on the rotating shaft fixing plate, the middle part of the clamping plate is provided on the clamping rotating shaft, the first elastic member is compressed between the lower end of the clamping plate and the outer peripheral surface of the mounting seat, and the first elastic member is located below the clamping rotating shaft.

[0010] In another embodiment, the upper end of the clamping plate has a clamping head extending towards the axis of the ejector rod assembly, and when the height of the ejector rod assembly in the Z-axis direction is lower than the clamping head, the clamping head is closed, and the clamping jaw is in the clamped state.

[0011] In another embodiment, the clamping drive mechanism comprises a first guide sleeve arranged on the mounting frame, and the ejector rod assembly is arranged in the first guide sleeve.

[0012] In another embodiment, the clamping jaw comprises a guide wheel rotatably connected to the upper end of the clamping plate and located below the clamping head, and the guide wheel is pushed outward to swing outward after the upward movement of the ejector rod assembly, thereby driving the upper end of the clamping plate to be opened outward, so that the clamping jaw is opened.

[0013] In another embodiment, the upper end of the mounting seat is provided with an annular limiting seat, the ejector rod assembly comprises an upper top seat arranged on the annular limiting seat and capable of floating up and down, and a lower ejector rod located below the upper top seat, and the lower ejector rod is arranged to open the upper end of the clamping plate outward after upward movement, so that the clamping jaw is opened, and the lower ejector rod continues to move upward and pushes the upper top seat to move upward after passing through the annular limiting seat, and the upper top seat lifts the workpiece originally located on the upper top seat and between the clamping plates to a work station for taking and placing the workpiece, so that the workpiece is taken away by other structures, such as a mechanical arm with a suction cup or the like; the upward movement of the ejector rod assembly completes the loosening of the clamping jaw and the lifting of the workpiece, and when the lower ejector rod is reset, the upper top seat carries another workpiece back to the clamping station, and when the upper top seat moves downward to the annular limiting seat, the upper top seat stops moving downward and is located on the annular limiting seat, and the lower ejector rod continues to move downward to reset, and then the clamping plate is gradually reset to clamp the other workpiece.

[0014] In another embodiment, the clamping drive mechanism comprises a second elastic member sleeved on the lower ejector rod for always having a downward movement tendency along the Z-axis. The upper end of the second elastic member is fixedly connected with the ejector rod, and the lower end is fixedly connected with the mounting frame, and the second elastic member is always in tension.

[0015] In another embodiment, the clamping drive mechanism comprises a detection connecting plate mounted on the lower ejector rod, and a distance sensor mounted on the detection connecting plate, one end of the distance sensor facing one of the horizontally arranged end faces of the mounting frame for detecting the up-down movement distance and position of the lower ejector rod.

[0016] In another embodiment, the Z-axis drive assembly comprises a floating wheel mounted on the lower end of the ejector rod, an eccentric wheel, a first motor for driving the rotation of the eccentric wheel, and a shaft coupling connected between the first motor and the eccentric wheel, and the rotation axis of the eccentric wheel is horizontally arranged and the peripheral surface of the eccentric wheel always abuts against the lower end surface of the floating wheel.

[0017] In another embodiment, the horizontal driving mechanism comprises an X-direction assembly and a Y-direction assembly mounted on the download platform, the X-direction assembly comprises an X-direction bottom plate fixed on the download platform, an X-direction sliding plate connected to the X-direction bottom plate in the X-direction, and an X-direction telescopic member connected between the X-direction sliding plate and the X-direction bottom plate, the Y-direction assembly comprises a Y-direction bottom plate fixed on the X-direction sliding plate, a Y-direction sliding plate connected to the Y-direction bottom plate in the Y-direction, a Y-direction telescopic member connected between the Y-direction sliding plate and the Y-direction bottom plate, and an upload platform fixed on the Y-direction sliding plate, and the mounting frame is mounted on the upload platform.

[0018] By using the technical scheme, compared with the prior art, the horizontal driving mechanism is used to drive the clamping jaw part to adjust the position of the clamping jaw part in the horizontal direction, thereby adjusting the position of the workpiece in the horizontal direction, the Z-axis driving assembly drives the ejector rod assembly to move upward, the ejector rod assembly moves upward to outwardly expand the upper end of the clamping plate, so that the clamping jaw is opened, and meanwhile, the ejector rod assembly moves upward to lift the workpiece originally located between the clamping plates to a workpiece taking and placing station, so that other structures such as a mechanical arm provided with a suction cup and the like can take away the workpiece; the upward movement of the ejector rod assembly completes the opening of the clamping jaw and the lifting of the workpiece, when the ejector rod assembly is reset, another workpiece is taken to the clamping station, and in the process of downward movement of the ejector rod assembly, the clamping plate is gradually reset to clamp the other workpiece, so that the efficiency of pushing the workpiece and clamping and positioning is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the utility model;

[0020] Figure 2 It is a plan view of the utility model;

[0021] Figure 3 It is Figure 2 A-A sectional view. DETAILED DESCRIPTION

[0022] The utility model will be further described in connection with the embodiments shown in the drawings.

[0023] Referring to Figures 1-3 shown, the positioning and clamping device for loading machine comprises a download platform 3, a clamping jaw part 1 and a horizontal driving mechanism 2.

[0024] Specifically,

[0025] The download platform 3 has a flat upper end surface, the left-right direction of the upper end surface of the download platform 3 is the X-axis direction, the front-rear direction of the upper end surface of the download platform 3 is the Y-axis direction, and the direction perpendicular to the X-axis and the Y-axis is the Z-axis direction;

[0026] The clamping jaw part 1 comprises a mounting frame 10 mounted on the lower table 3, a clamping jaw 11 mounted on the mounting frame 10, and a clamping driving mechanism 12 for driving the clamping jaw 11 to clamp or open;

[0027] The horizontal driving mechanism 2 is mounted on the lower table 3, and the clamping jaw part 1 is mounted on the horizontal driving mechanism 2 and driven by the horizontal driving mechanism 2 to move along the X and Y axes.

[0028] The clamping jaw comprises a mounting seat 13 mounted on the mounting frame 10, a plurality of clamping plates 14 rotatably connected to the mounting seat 13, and a first elastic member 15 for making the upper end of the clamping plate 14 always have a tendency to gather towards the center; the clamping driving mechanism 12 comprises a top rod assembly slidingly arranged in the mounting seat 13 along the Z axis direction, and a Z axis driving assembly mounted on the mounting frame 10 for driving the top rod assembly to move up and down.

[0029] The clamping jaw further comprises a plurality of rotating shaft fixing plates 18 formed on the peripheral surface of the mounting seat 13, and clamping rotating shafts 19 mounted on the rotating shaft fixing plates 18, the middle part of the clamping plate 14 is arranged on the clamping rotating shaft 19, the first elastic member 15 is compressed between the lower end of the clamping plate 14 and the outer peripheral surface of the mounting seat 13, and the first elastic member 15 is located below the clamping rotating shaft 19.

[0030] The upper end of the clamping plate 14 has a clamping head 110 extending towards the axis direction of the top rod assembly, when the height of the top rod assembly in the Z axis direction is lower than the clamping head 110, the clamping head 110 gathers, and the clamping jaw is in a clamped state.

[0031] The clamping driving mechanism 12 comprises a first guide sleeve 111 arranged through the mounting frame 10, and the top rod assembly is arranged in the first guide sleeve 111.

[0032] The clamping jaw comprises a guide wheel 112 rotatably connected to the upper end of the clamping plate 14 and located below the clamping head 110, the guide wheel 112 is pushed to swing outward after the top rod assembly goes up, thereby driving the upper end of the clamping plate 14 to open outward, so that the clamping jaw is opened.

[0033] The upper end of the mounting seat 13 is provided with an annular limiting seat 113, the top rod assembly comprises an upper top seat 16 floating up and down arranged on the annular limiting seat 113, and a lower top rod 17 located below the upper top seat 16 and having a tapered shape with a thin upper end and a thick lower end.

[0034] The clamping driving mechanism 12 comprises a second elastic member 114 sleeved on the lower top rod 17 for making the lower top rod 17 always have a downward movement tendency along the Z axis. The upper end of the second elastic member 114 is fixedly connected with the top rod, and the lower end is fixedly connected with the mounting frame 10, and the second elastic member 114 is always in a tension state.

[0035] The clamping driving mechanism 12 comprises a detection connecting plate 115 mounted on the lower top rod 17, a distance sensor 116 mounted on the detection connecting plate 115, and one end of the distance sensor 116 is directed towards one of the horizontally arranged end faces of the mounting frame 10 for detecting the up-down moving distance and position of the lower top rod 17.

[0036] The Z-axis driving assembly comprises a floating wheel 117 mounted on the lower end of the top rod, an eccentric wheel 118, a first motor 119 for driving the eccentric wheel 118 to rotate, a shaft coupling 120 connected between the first motor 119 and the eccentric wheel 118, and the rotating axis of the eccentric wheel 118 is horizontally arranged and the peripheral surface of the eccentric wheel 118 is always in contact with the lower end surface of the floating wheel 117. The Z-axis driving assembly can also be a pneumatic cylinder or a hydraulic cylinder or a cam assembly mounted on the mounting frame.

[0037] The horizontal driving mechanism 2 comprises an X-direction assembly and a Y-direction assembly mounted on the lower table 3, the X-direction assembly comprises an X-direction bottom plate 21 fixed on the lower table 3, an X-direction sliding plate 22 slidingly connected to the X-direction bottom plate 21 along the X direction, and an X-direction telescopic piece 23 connected between the X-direction sliding plate 22 and the X-direction bottom plate 21, the Y-direction assembly comprises a Y-direction bottom plate 24 fixed on the X-direction sliding plate 22, a Y-direction sliding plate 25 slidingly connected to the Y-direction bottom plate 24 along the Y direction, a Y-direction telescopic piece 26 connected between the Y-direction sliding plate 25 and the Y-direction bottom plate 24, and an upper table 4 fixed on the Y-direction sliding plate 25, and the mounting frame 10 is mounted on the upper table 4; the X-direction telescopic piece 23 and the Y-direction telescopic piece 26 are pneumatic cylinders.

[0038] The principle of the utility model is as follows: after the horizontal driving mechanism 2 adjusts the horizontal position of the clamping jaw, the first motor 119 drives the eccentric wheel 118 to rotate, and then drives the lower top rod 17 to go up, thereby outwardly expanding the upper end of the clamping plate 14, so that the clamping jaw is opened, and the lower top rod 17 continues to go up and pushes the upper top seat 16 to go up after passing through the annular limiting seat 113, the upper top seat 16 lifts the workpiece 0 originally located on the upper top seat 16 and between the clamping plates 14 to the workpiece 0 taking and placing station, so that other structures can take away the workpiece 0, which can be a mechanical arm with a suction cup or other devices; the upward movement of the top rod assembly completes the loosening of the clamping jaw and the lifting of the workpiece 0, when the lower top rod 17 is reset, the upper top seat 16 returns to the clamping station with another workpiece 0, when the upper top seat 16 goes down to the annular limiting seat 113, the upper top seat 16 stops going down and is located on the annular limiting seat 113, the lower top rod 17 continues to go down and reset, and then the clamping plate 14 also gradually resets and clamps the other workpiece 0, which greatly improves the efficiency of pushing the workpiece 0 and clamping and positioning.

[0039] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A positioning and clamping device for a loading machine, comprising: a loading table having a flat upper end surface, with the left-right direction of the upper end surface of the loading table being the X-axis direction, the front-rear direction of the upper end surface of the loading table being the Y-axis direction, and the direction perpendicular to the X-axis and Y-axis being the Z-axis direction; a clamping jaw portion comprising a mounting frame mounted on the loading table, a clamping jaw mounted on the mounting frame, and a clamping drive mechanism for driving the clamping jaw to clamp or open; a horizontal drive mechanism mounted on the loading table, the clamping jaw portion being mounted on the horizontal drive mechanism and being driven by the horizontal drive mechanism to move along the X-axis and Y-axis; characterized in that the clamping jaw comprises a mounting seat mounted on the mounting frame, a plurality of clamping plates rotatably connected to the mounting seat, and a first elastic member for causing the upper end portion of the clamping plate to always have a tendency to gather towards the center; and the clamping drive mechanism comprises a top rod assembly slidingly arranged in the mounting seat in the Z-axis direction, and a Z-axis drive assembly mounted on the mounting frame for driving the top rod assembly to move up and down.

2. The positioning and clamping device for a piggyback aircraft according to claim 1, characterized in that: The clamping jaw comprises a plurality of rotating shaft fixing plates formed on the peripheral surface of the mounting seat, and clamping rotating shafts mounted on the rotating shaft fixing plates, the middle portion of the clamping plate being arranged on the clamping rotating shaft, the first elastic member being compressed between the lower end portion of the clamping plate and the outer peripheral surface of the mounting seat, and the first elastic member being located below the clamping rotating shaft.

3. The positioning and clamping device for a piggyback aircraft according to claim 1, characterized in that: The upper end portion of the clamping plate has a clamping head extending towards the axis direction of the top rod assembly, when the height of the top rod assembly in the Z-axis direction is lower than the clamping head, the clamping head gathers, and the clamping jaw is in a clamped state.

4. The positioning and clamping device for a piggyback aircraft according to claim 1, characterized in that: The clamping drive mechanism comprises a first guide sleeve arranged through the mounting frame, and the top rod assembly is arranged through the first guide sleeve.

5. The positioning and clamping device for a piggyback aircraft according to claim 1, characterized in that: The clamping jaw comprises a guide wheel rotatably connected to the upper end portion of the clamping plate and located below the clamping head.

6. The positioning and clamping device for a piggyback aircraft according to claim 1, characterized in that: The upper end portion of the mounting seat is provided with an annular limiting seat, the top rod assembly comprises an upper top seat arranged on the annular limiting seat and capable of floating up and down, and a lower top rod located below the upper top seat.

7. The positioning and clamping device for a piggyback aircraft according to claim 6, characterized in that: The clamping drive mechanism comprises a second elastic member arranged on the lower top rod for causing the lower top rod to always have a downward movement tendency along the Z-axis.

8. The positioning and clamping device for a piggyback aircraft according to claim 6, characterized in that: The clamping drive mechanism comprises a detection connecting plate mounted on the lower top rod, and a distance sensor mounted on the detection connecting plate.

9. The positioning and clamping device for a piggyback aircraft according to claim 1, characterized in that: The Z-axis drive assembly comprises a floating wheel mounted on the lower end portion of the top rod, an eccentric wheel, a first motor for driving the eccentric wheel to rotate, and a shaft coupling connected between the first motor and the eccentric wheel, the rotation axis of the eccentric wheel being arranged horizontally, and the peripheral surface of the eccentric wheel always abutting the lower end surface of the floating wheel.

10. The positioning and clamping device for a piggyback machine according to claim 1, characterized in that: The horizontal driving mechanism comprises an X-direction assembly and a Y-direction assembly installed on the download platform, the X-direction assembly comprises an X-direction bottom plate fixed on the download platform, an X-direction sliding plate connected to the X-direction bottom plate in the X-direction, and an X-direction telescopic piece connected between the X-direction sliding plate and the X-direction bottom plate, the Y-direction assembly comprises a Y-direction bottom plate fixed on the X-direction sliding plate, a Y-direction sliding plate connected to the Y-direction bottom plate in the Y-direction, a Y-direction telescopic piece connected between the Y-direction sliding plate and the Y-direction bottom plate, and an upload platform fixed on the Y-direction sliding plate, and the mounting frame is installed on the upload platform.

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