CN210456521U - Workpiece grabbing device - Google Patents
Workpiece grabbing device Download PDFInfo
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- CN210456521U CN210456521U CN201920842956.4U CN201920842956U CN210456521U CN 210456521 U CN210456521 U CN 210456521U CN 201920842956 U CN201920842956 U CN 201920842956U CN 210456521 U CN210456521 U CN 210456521U
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Abstract
A work gripping apparatus includes a stand including a vertical portion and a horizontal portion connected to each other; the gripper box is connected with the vertical part and the horizontal part in a sliding way; the movable gripper is connected in the gripper box, one end of the movable gripper extends out of one end of the gripper box, and the movable gripper is used for clamping the bearing; and the control system respectively controls the opening or closing of the movable hand grab, the ascending or descending of the hand grab box and the horizontal advancing or retreating. The position of the bearing is accurately positioned through the control system, and the automation degree is high. The utility model relates to a work piece grabbing device can snatch the work piece automatically, especially bearing workpiece to can remove to predetermined position at level and vertical direction, accomplish the conveying of bearing, in order to carry out automatic installation.
Description
Technical Field
The utility model belongs to the technical field of the motor assembly, more specifically relates to a work piece grabbing device.
Background
The bearing plays a guiding or supporting role in the mechanical structure and is used for supporting a rotating shaft or other moving objects and bearing load. In a fan, a rolling bearing is generally arranged on a rotating shaft and acted by rotation, and is a main moving part in the fan and a basic part on the rotating shaft of a rotor, so that the performances of the bearing, such as precision, service life, reliability and the like, have a key effect on the precision, reliability and the like of the fan.
When carrying out the bearing installation, in order to avoid the condition that causes the bearing to damage easily when artifical installation is beaten, consider automatic installation bearing, place the bearing on the bearing room of end cover through the tongs, use hydraulic tool to impress the bearing, accomplish the installation. The workpiece grabbing device is used as a transfer tool in an automatic assembly line, and has great significance for accurate positioning of the bearing.
Therefore, it is necessary to develop a workpiece gripping device suitable for conveying bearing workpieces.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a work piece grabbing device, supplementary bearing carries out automatic installation.
In order to achieve the above object, the utility model provides a workpiece grabbing device, include:
a bracket including a vertical portion and a horizontal portion connected to each other;
a gripper box slidably connected to the vertical part and the horizontal part;
the movable gripper is connected in the gripper box, one end of the movable gripper extends out of one end of the gripper box, and the movable gripper is used for gripping the bearing;
and the control system is used for respectively controlling the opening or closing of the movable gripper, the ascending or descending of the gripper box and the horizontal advancing or retreating.
Preferably, the control system comprises a first hydraulic device, a second hydraulic device and a third hydraulic device, the first hydraulic device is connected to the movable gripper, the second hydraulic device is horizontally connected to the gripper box, and the third hydraulic device is vertically connected to the gripper box.
Preferably, the first hydraulic device comprises a cylinder body, a first piston rod and a push rod, and the piston rod extends out of the cylinder body and is fixedly connected with the push rod.
Preferably, both ends of the push rod are inclined planes.
Preferably, the movable gripper comprises two clamping arms, each clamping arm is provided with an arc-shaped clamping part, and the arc-shaped clamping parts are arranged oppositely to form a wrapping arc for clamping the bearing.
Preferably, each centre gripping arm still includes oblique oral area, two the oblique oral area sets up relatively, forms top and bottom open-ended class triangle-shaped, the both ends of push rod sliding contact respectively in class triangle-shaped's hypotenuse is used for making the centre gripping arm rotates.
Preferably, each clamping arm is provided with a fixing hole, and the clamping arm is rotatably connected with the gripper box through a pin shaft penetrating through the fixing hole.
Preferably, a spring fixedly connected with the inner wall of the gripper box is arranged on the outer side of each clamping arm.
Preferably, both sides of the gripper box are provided with slide bars, the horizontal part of the support is provided with a horizontal sliding groove, the slide bars are slidably connected with the horizontal sliding groove, and a piston rod end of the second hydraulic device is fixedly connected with the other end of the gripper box and used for pushing the gripper box to slide along the horizontal sliding groove.
Preferably, the vertical part of the support is provided with a vertical sliding groove, the vertical sliding groove is communicated with the horizontal sliding groove, and the piston rod end of the third hydraulic device is fixedly connected with the top of the gripper box and used for pulling the sliding rod to slide along the vertical sliding groove.
The utility model relates to a pair of work piece grabbing device, its beneficial effect lies in: the bearing type workpiece is grabbed through rotation of the clamping arm, accurate positioning of the position of the bearing is achieved through the control system, and the automation degree is high.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic structural view of a workpiece gripping device according to an exemplary embodiment of the present invention;
fig. 2 is a schematic structural view of a gripper box in the workpiece gripping apparatus according to an exemplary embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a movable gripper of the workpiece gripping device according to an exemplary embodiment of the present invention;
fig. 4 is a schematic structural view of a first hydraulic device in the workpiece gripping device according to an exemplary embodiment of the present invention;
description of reference numerals:
the device comprises a support 1, a gripper box 2, a movable gripper 3, a clamping arm 4, an arc-shaped clamping part 5, a bevel opening 6, a fixed hole 7, a first hydraulic device 8, a second hydraulic device 9, a third hydraulic device 10, a push rod 11, a slide rod 12, a horizontal chute 13, a vertical chute 14 and a spring 15.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
For solving the problem that prior art exists, the utility model provides a work piece grabbing device, include:
a bracket including a vertical portion and a horizontal portion connected to each other;
the gripper box is connected with the vertical part and the horizontal part in a sliding way;
the movable gripper is connected in the gripper box, one end of the movable gripper extends out of one end of the gripper box, and the movable gripper is used for clamping the bearing;
and the control system respectively controls the opening or closing of the movable hand grab, the ascending or descending of the hand grab box and the horizontal advancing or retreating. The position of the bearing is accurately positioned through the control system, and the automation degree is high.
Preferably, the control system comprises a first hydraulic device, a second hydraulic device and a third hydraulic device, wherein the first hydraulic device is connected to the movable gripper, the second hydraulic device is horizontally connected to the gripper box, and the third hydraulic device is vertically connected to the gripper box.
Preferably, the first hydraulic device comprises a cylinder body, a first piston rod and a push rod, and the piston rod extends out of the cylinder body and is fixedly connected with the push rod.
Preferably, the control system further comprises a controller, and the controller controls the amount of hydraulic oil in the cylinder body through controlling the valve, so as to control the piston movement of the first piston rod.
Preferably, both ends of the push rod are inclined planes.
Preferably, the movable gripper comprises two clamping arms, each clamping arm is provided with an arc-shaped clamping portion, and the two arc-shaped clamping portions are arranged oppositely to form a wrapping arc for clamping the bearing.
Preferably, every centre gripping arm still includes oblique oral area, and two oblique oral areas set up relatively, form top and bottom open-ended class triangle-shaped, and in class triangle-shaped was located to the push rod, the piston rod passed top open-ended class triangle-shaped and connects in the push rod, and the both ends of push rod sliding contact respectively in class triangle-shaped's hypotenuse for make the centre gripping arm rotate.
Preferably, each clamping arm is provided with a fixing hole, and the clamping arm is rotatably connected with the gripper box through a pin shaft penetrating through the fixing hole. The pin shaft is fixed on the gripper box along the vertical direction, and each clamping arm can rotate by taking the pin shaft as the circle center.
Preferably, the outer side of each clamping arm is provided with a spring fixedly connected with the inner wall of the gripper box. The spring is arranged at the top end of the triangle-like shape, when the push rod slides to the top end of the triangle-like shape, the distance between the two clamping arms at the contact part of the push rod is shortened, the push rod props the two clamping arms to enable the two clamping arms to rotate around respective fixing holes, the spring is compressed, the distance between the two arc-shaped clamping parts is reduced, and the bearing is clamped; when the push rod slides to the bottom end of the triangle, the distance between the two clamping arms at the contact part of the push rod is enlarged, the compression of the spring is reduced, the clamping arms are reset through restoring force, and the distance between the two arc-shaped clamping parts is enlarged to loosen the bearing.
Preferably, the both sides of tongs case are equipped with the slide bar, and the horizontal part of support is equipped with horizontal spout, and slide bar sliding connection is in horizontal spout, and the tailpiece of the piston rod of second hydraulic means and the other end fixed connection of tongs case are used for promoting the tongs case and slide along horizontal spout.
Preferably, the second hydraulic device is a hydraulic oil cylinder, and when the sliding rod slides to the horizontal sliding groove, the controller controls the piston movement of the piston rod end of the second hydraulic device according to the amount of hydraulic oil in the hydraulic oil cylinder.
Preferably, the vertical portion of support is equipped with vertical spout, and vertical spout and horizontal spout intercommunication form L type spout, and the tailpiece of the piston rod of third hydraulic means and the top fixed connection of tongs case are used for pulling the slide bar and slide along vertical spout.
Preferably, the third hydraulic device is a hydraulic oil cylinder, and when the sliding rod is located in the vertical sliding chute, the controller controls the piston movement of the piston rod end of the third hydraulic device according to the amount of hydraulic oil in the hydraulic oil cylinder.
The controller controls the strokes of the first hydraulic device, the second hydraulic device and the third hydraulic device according to preset values respectively so as to realize accurate positioning of the bearing.
Through the utility model discloses a work piece grabbing device can snatch the work piece automatically, especially bearing workpiece to can remove to predetermined position at level and vertical direction, accomplish the conveying of bearing, in order to carry out automatic installation.
Example 1
As shown in fig. 1 to 4, the utility model provides a workpiece gripping device, including:
a stand 1 including a vertical portion and a horizontal portion connected to each other;
a gripper box 2 slidably connected to the vertical part and the horizontal part;
the movable gripper 3 is connected in the gripper box 2, and one end of the movable gripper extends out of one end of the gripper box 2 and is used for clamping a bearing;
and the control system respectively controls the opening or closing of the movable gripper 3, the ascending or descending of the gripper box 2 and the horizontal advancing or retreating.
In this embodiment the control system comprises a first hydraulic means 8, a second hydraulic means 9 and a third hydraulic means 10, the first hydraulic means 8 being connected to the movable gripper 3, the second hydraulic means 9 being horizontally connected to the gripper box 2 and the third hydraulic means 10 being vertically connected to the gripper box 2.
In this embodiment, the first hydraulic device 8 includes a cylinder, a first piston rod and a push rod 11, and the piston rod extends out of the cylinder and is fixedly connected with the push rod 11.
In this embodiment, the control system further includes a controller, and the controller controls the amount of hydraulic oil in the cylinder body by controlling the valve, so as to control the piston movement of the first piston rod.
In the present embodiment, both ends of the push rod 11 are inclined surfaces.
In this embodiment, activity tongs 3 includes two centre gripping arms 4, is equipped with arc clamping part 5 on every centre gripping arm 4, and two arc clamping part 5 set up relatively, form the parcel arc for the centre gripping bearing.
In this embodiment, each clamping arm 4 further includes an oblique opening 6, the two oblique openings 6 are disposed oppositely to form a triangle with an opening at the top end and an opening at the bottom end, the push rod 11 is disposed in the triangle, the triangle with the opening at the top end is connected to the push rod 11, and two ends of the push rod 11 are in sliding contact with oblique sides of the triangle respectively for rotating the clamping arm 4.
In this embodiment, each holding arm 4 is provided with a fixing hole 7, and the holding arm 4 is rotatably connected with the gripper box 2 through a pin shaft penetrating through the fixing hole 7. The pin shaft is fixed on the gripper box 2 along the vertical direction, and each clamping arm 4 can rotate by taking the pin shaft as the center of a circle.
In the present embodiment, the outer side of each gripping arm 4 is provided with a spring 15 fixedly connected with the inner wall of the gripper box 2. The spring 15 is arranged at the top end of the triangle, when the push rod 11 slides to the top end of the triangle, as the distance between the two clamping arms 4 at the contact part of the push rod 11 is shortened, the push rod 11 props the two clamping arms 4 to rotate around the respective fixing holes 7, the spring 15 is pressed tightly, the distance between the two arc-shaped clamping parts 5 is reduced, and the bearing is clamped; when the push rod 11 slides to the bottom end of the triangle-like shape, the distance between the two clamping arms 4 at the contact part of the push rod 11 is enlarged, the pressure of the spring 15 is reduced, the clamping arms 4 are reset through the restoring force of the spring 15, the distance between the two arc-shaped clamping parts 5 is enlarged, and the bearing is loosened.
In this embodiment, two sides of the gripper box 2 are provided with sliding rods 12, the horizontal portion of the support 1 is provided with a horizontal sliding groove 13, the sliding rods 12 are slidably connected to the horizontal sliding groove 13, and a piston rod end of the second hydraulic device 9 is fixedly connected to the other end of the gripper box 2, so as to push the gripper box 2 to slide along the horizontal sliding groove 13.
In this embodiment, the second hydraulic device 9 is a hydraulic cylinder, and when the sliding rod 12 slides to the horizontal sliding groove 13, the controller controls the piston movement of the piston rod end of the second hydraulic device 9 according to the amount of hydraulic oil in the hydraulic cylinder.
In this embodiment, the vertical portion of the bracket 1 is provided with a vertical sliding chute 14, the vertical sliding chute 14 is communicated with a horizontal sliding chute 13 to form an L-shaped sliding chute, and the piston rod end of the third hydraulic device 10 is fixedly connected with the top of the gripper box 2 for pulling the sliding rod 12 to slide along the vertical sliding chute 14.
In this embodiment, the third hydraulic device 10 is a hydraulic cylinder, and the controller controls the piston movement of the piston rod end of the third hydraulic device 10 according to the amount of hydraulic oil in the hydraulic cylinder when the slide bar 12 is located in the vertical chute 14.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A workpiece gripping device, said gripping device comprising:
a bracket (1) including a vertical portion and a horizontal portion connected to each other;
a gripper box (2) slidably connected to the vertical part and the horizontal part;
the movable gripper (3) is connected in the gripper box (2), one end of the movable gripper extends out of one end of the gripper box (2), and the movable gripper is used for clamping a bearing;
and the control system is used for respectively controlling the opening or closing of the movable gripper (3), the ascending or descending of the gripper box (2) and the horizontal advancing or retreating.
2. The device according to claim 1, characterized in that the control system comprises a first hydraulic device (8), a second hydraulic device (9) and a third hydraulic device (10), the first hydraulic device (8) being connected to the movable gripper (3), the second hydraulic device being horizontally connected to the gripper box (2), the third hydraulic device (10) being vertically connected to the gripper box (2).
3. The workpiece gripping device according to claim 2, characterised in that the first hydraulic device (8) comprises a cylinder, a first piston rod and a push rod (11), the piston rod extending outside the cylinder and being fixedly connected to the push rod (11).
4. A workpiece gripping device according to claim 3, characterised in that both ends of the push rod (11) are bevelled.
5. The workpiece gripping device according to claim 4, characterized in that the movable gripper (3) comprises two gripping arms (4), each gripping arm (4) is provided with an arc-shaped gripping part (5), and the two arc-shaped gripping parts (5) are oppositely arranged to form a wrapping arc for gripping the bearing.
6. The workpiece gripping device according to claim 5, wherein each gripping arm (4) further comprises an inclined opening (6), two inclined openings (6) are oppositely arranged to form a triangle-like shape with an open top end and an open bottom end, and two ends of the push rod (11) are respectively in sliding contact with the inclined sides of the triangle-like shape for rotating the gripping arms (4).
7. The workpiece gripping device according to claim 5, characterized in that each gripping arm (4) is provided with a fixing hole (7), and the gripping arms (4) are rotatably connected with the gripper box (2) through pin shafts penetrating through the fixing holes (7).
8. The device for gripping workpieces as defined in claim 5, characterised in that the outer side of each gripping arm (4) is provided with a spring fixedly connected to the inner wall of the gripper box (2).
9. The workpiece grabbing device according to claim 2, wherein two sides of the gripper box (2) are provided with sliding rods (12), the horizontal portion of the bracket (1) is provided with a horizontal sliding groove (13), the sliding rods (12) are slidably connected to the horizontal sliding groove (13), and a piston rod end of the second hydraulic device (9) is fixedly connected with the other end of the gripper box (2) and used for pushing the gripper box (2) to slide along the horizontal sliding groove (13).
10. The workpiece gripping device according to claim 9, characterized in that the vertical part of the bracket is provided with a vertical chute (14), the vertical chute (14) is communicated with the horizontal chute (13), and the piston rod end of the third hydraulic device (10) is fixedly connected with the top of the gripper box (2) and is used for pulling the sliding rod (12) to slide along the vertical chute (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920842956.4U CN210456521U (en) | 2019-06-05 | 2019-06-05 | Workpiece grabbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920842956.4U CN210456521U (en) | 2019-06-05 | 2019-06-05 | Workpiece grabbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210456521U true CN210456521U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920842956.4U Active CN210456521U (en) | 2019-06-05 | 2019-06-05 | Workpiece grabbing device |
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| Country | Link |
|---|---|
| CN (1) | CN210456521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985975A (en) * | 2021-02-05 | 2021-06-18 | 深圳市德同兴电子有限公司 | Tension detection test bed |
-
2019
- 2019-06-05 CN CN201920842956.4U patent/CN210456521U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985975A (en) * | 2021-02-05 | 2021-06-18 | 深圳市德同兴电子有限公司 | Tension detection test bed |
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