Positioning device

Abstract

A positioning device includes: a base having a first surface and a second surface, with a material loading position on the first surface; a driving mechanism including a driving member disposed on the second surface, a pushing member connected to the driving member, and a driving rod connected to the pushing member, the pushing member having a pushing portion; a transverse clamping mechanism including a first transverse clamping assembly connected to the driving rod and a second transverse clamping assembly elastically abutting against the pushing portion, the first transverse clamping assembly including a first clamping member, the second transverse clamping assembly including a second clamping member, the first clamping member and the second clamping member being disposed on both sides of the material loading position; and a longitudinal clamping mechanism connected to the second surface of the base, including two longitudinal clamping assemblies connected to the second transverse clamping assembly, each of the two longitudinal clamping assemblies including a third clamping member, the two third clamping members being disposed on both sides of the material loading position. This positioning device can position the workpiece using only one driving member, reducing the risk of scratching the workpiece.

Description

Technical Field

[0001] This application relates to the field of machining technology, specifically to a positioning device for stably positioning a product during processing. Background Technology

[0002] In the production and processing process, precise positioning of workpieces is usually required. Common positioning devices generally include: a support plate, fixed blocks positioned on two adjacent sides of the workpiece, and movable abutment blocks positioned on the other two adjacent sides of the workpiece. The movable abutment blocks are driven by independent drive elements (such as cylinders or motors). During positioning, the two drive elements respectively drive their connected movable abutment blocks to move, thereby pushing the workpiece towards and against the corresponding fixed blocks to achieve workpiece positioning.

[0003] However, this positioning method has the following drawbacks: First, it requires at least two independent power sources, resulting in higher manufacturing costs; second, during the process of pushing the workpiece to slide towards the fixed block, sliding friction easily occurs between the side of the workpiece and the fixed block, which can lead to scratches on the workpiece surface, which is particularly unfavorable for workpieces with high surface finish requirements. Utility Model Content

[0004] In view of the above, it is necessary to propose a positioning device that can position the workpiece with a single driving component. During the positioning process, the workpiece is clamped synchronously from all four sides, thereby reducing the workpiece's movement distance and lowering the risk of scratching the workpiece.

[0005] This application provides a positioning device, comprising: a base, including a first surface and a second surface disposed opposite to each other, the first surface having a loading position for carrying a workpiece; a driving mechanism connected to the second surface and including a driving member disposed on the second surface, a pushing member connected to the driving member, and a driving rod connected to the pushing member, the pushing member having a pushing portion extending along a first direction, the driving member driving the pushing member and the driving rod to move along a second direction; and a transverse clamping mechanism connected to the second surface and including a first transverse clamping assembly and a second transverse clamping assembly slidably connected to the second surface, the first transverse clamping assembly and the second transverse clamping assembly being slidably connected to the second surface along the first direction, the first transverse clamping assembly being drively connected to the driving rod, and... The device includes a first clamping member extending along a third direction and protruding from the first surface; a second transverse clamping assembly elastically abutting against the pushing portion and including a second clamping member extending along the third direction and protruding from the first surface; the first clamping member and the second clamping member are respectively disposed on both sides of the loading position along the first direction; and a longitudinal clamping mechanism connected to the second surface and including two longitudinal clamping assemblies disposed opposite to each other along the second direction; both longitudinal clamping assemblies are drively connected to the second transverse clamping assembly and each includes a third clamping member extending along the third direction and protruding from the first surface; the two third clamping members are respectively disposed on both sides of the loading position along the second direction; wherein the first direction, the second direction, and the third direction are perpendicular to each other.

[0006] The aforementioned positioning device can support a workpiece via the loading position of the base. The first transverse clamping component of the transverse clamping mechanism is driven by the drive rod of the drive mechanism, and the second transverse clamping component abuts against the pushing member of the drive mechanism. The first and second clamping components correspond to the two sides of the loading position along the first direction, respectively. Both longitudinal clamping components of the longitudinal clamping mechanism are driven by the second transverse clamping component, and the two third clamping components correspond to the two sides of the loading position along the second direction, respectively. By driving the pushing member and the drive rod away from the drive member in the drive mechanism, the drive rod can move the first transverse clamping component away from the loading position; the pushing member can push the second transverse clamping component away from the loading position; simultaneously, the second transverse clamping component moves the two longitudinal clamping components away from the loading position, allowing the workpiece to be placed on the loading position. After the workpiece is placed, the driving component drives the pushing component and the driving rod to move closer to the driving component. The driving rod drives the first transverse clamping assembly to move, so that the first clamping component moves closer to the workpiece. The second transverse clamping assembly elastically moves closer to the pushing component, thereby driving the second clamping component to move closer to the workpiece. At the same time, the second transverse clamping assembly drives the two longitudinal clamping assemblies to move, so that the two third clamping components move closer to the workpiece synchronously. In this way, the first clamping component, the second clamping component, and the two third clamping components can simultaneously abut against the workpiece from all sides, thereby completing the positioning of the workpiece.

[0007] The aforementioned positioning device can drive the first transverse clamping assembly, the second transverse clamping assembly, and the two longitudinal clamping assemblies to move through a single driving component, thereby positioning the workpiece and reducing manufacturing costs. During positioning, the first clamping component, the second clamping component, and the two third clamping components move synchronously towards the workpiece, which can reduce the amount of workpiece movement during positioning and reduce the risk of scratching the workpiece during the positioning process.

[0008] In some embodiments, the first lateral clamping assembly further includes a first sliding seat slidably connected to the second surface along the first direction and a first linkage rod rotatably connected at both ends to the drive rod and the first sliding seat respectively about the third direction, and the first clamping member is connected to the first sliding seat; wherein, the drive member drives the drive rod to move away from or towards the drive member along the second direction, so that the drive rod drives the first sliding seat and the first clamping member to move away from or towards the loading position along the first direction via the first linkage rod.

[0009] In some embodiments, the second lateral clamping assembly further includes a second sliding seat slidably connected to the second surface along the first direction, a transmission member connected to the second sliding seat and abutting against the pushing portion, and an elastic member disposed on the side of the transmission member away from the pushing portion. The second clamping member is connected to the second sliding seat, and the elastic member applies an elastic force to the transmission member to move the transmission member toward the pushing portion. When the driving member drives the pushing member away from the driving member along the second direction, the pushing portion pushes the transmission member to move along the first direction, thereby causing the second sliding seat and the second clamping member to move away from the loading position along the first direction. When the driving member drives the pushing member to approach the driving member along the second direction, the elastic member pushes the transmission member to approach the pushing portion, thereby causing the second sliding seat and the second clamping member to approach the loading position along the first direction.

[0010] In some embodiments, the transmission member abuts against one end of the pushing part with an inclined surface. The inclined surface abuts against the pushing part. When the driving member drives the pushing member away from the driving member in the second direction, the pushing part slides along the inclined surface to push the transmission member away from the pushing part in the first direction.

[0011] In some embodiments, the drive mechanism further includes a roller connected to the pushing portion and abutting against the inclined surface.

[0012] In some embodiments, each of the longitudinal clamping components further includes a third sliding seat slidably connected to the second surface along the second direction and a second linkage rod rotatably connected at both ends to the second sliding seat and the third sliding seat about the third direction, respectively, and the third clamping member is connected to the third sliding seat; wherein, when the pushing member pushes the transmission member and the second sliding seat away from the pushing member along the first direction, the second sliding seat drives the two third sliding seats away from each other along the second direction through the two second linkage rods, thereby driving the two third clamping members away from each other; when the elastic member pushes the transmission member and the second sliding seat closer to the pushing member along the first direction, the second sliding seat drives the two third sliding seats closer to each other along the second direction through the two second linkage rods, thereby driving the two third clamping members closer to each other.

[0013] In some embodiments, the lateral clamping mechanism further includes a first clamping member disposed on the side of the first clamping member near the loading position and a second clamping member disposed on the side of the second clamping member near the loading position; the longitudinal clamping mechanism further includes two third clamping members disposed on the side of the two third clamping members near the loading position.

[0014] In some embodiments, the first clamping member, the second clamping member, and the two third clamping members are all flexible members.

[0015] In some embodiments, the base further includes a material carrier plate disposed at the material loading position, the material carrier plate supporting the workpiece.

[0016] In some embodiments, the base is provided with two material loading positions, which are symmetrically arranged; the pusher is provided with two push portions, which are symmetrically arranged; there are two transverse clamping mechanisms, which are symmetrically arranged on both sides of the drive mechanism along the first direction, and both first transverse clamping components are drivenly connected to the drive rod, and the two second transverse clamping components abut against the two push portions respectively; there are two longitudinal clamping mechanisms, which are symmetrically arranged on both sides of the drive mechanism along the first direction, and the two longitudinal clamping components in each longitudinal clamping mechanism are drivenly connected to the corresponding second transverse clamping components. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the positioning device provided in an embodiment of this application.

[0018] Figure 2 for Figure 1 The bottom view of the positioning device shown.

[0019] Figure 3 for Figure 2 The diagram shows the structure of the positioning device after the driving component drives the pushing component and the driving rod to move away from the driving component.

[0020] Explanation of main component symbols: Positioning device 100, base 10, first surface 11, second surface 12, loading position 13, loading plate 14, driving mechanism 20, driving component 21, pushing component 22, pushing part 221, driving rod 23, roller 24, transverse clamping mechanism 30, first transverse clamping assembly 31, first clamping component 311, first sliding seat 312, first linkage rod 313, second transverse clamping assembly 32, second clamping component 321, second sliding seat 322, transmission component 323, inclined surface 3231, elastic component 324, first clamping component 33, second clamping component 34, longitudinal clamping mechanism 40, longitudinal clamping assembly 41, third clamping component 411, third sliding seat 412, second linkage rod 413, third clamping component 42, workpiece 200. Detailed Implementation

[0021] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0022] In the description of this application, it should be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, it should be noted that "a plurality of" means two or more, unless otherwise explicitly specified.

[0023] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the term "connection" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a connection that allows communication between the two components; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0024] The embodiments of this application will be further described below with reference to the accompanying drawings. To facilitate understanding and explanation of the embodiments of this application, a three-dimensional coordinate system is established in some of the drawings. The X-axis direction is the first direction, that is, the direction from the first lateral clamping component to the second lateral clamping component. The Y-axis direction is the second direction, that is, the extension direction of the drive rod. The Z-axis direction is the third direction, that is, the direction perpendicular to the plane where the base is located. The X-axis, Y-axis, and Z-axis directions are perpendicular to each other.

[0025] Please see Figure 1 , Figure 2 and Figure 3 This application provides a positioning device 100 for positioning a workpiece 200, which can be a block or plate structure. The positioning device 100 includes a base 10, a driving mechanism 20 connected to the base 10, a transverse clamping mechanism 30 connected to the base 10, and a longitudinal clamping mechanism 40 connected to the base 10.

[0026] Specifically, in this embodiment, the base 10 includes a first surface 11 and a second surface 12 disposed opposite to each other. The first surface 11 is provided with a loading position 13 for supporting the workpiece 200. The base 10 also includes a loading plate 14 disposed on the loading position 13, which supports the workpiece 200. By providing an independent loading plate 14, a dedicated, flat, and maintainable support plane is provided for the workpiece 200, achieving the goals of protecting the base 10, providing stable support, facilitating maintenance, and adapting to different process requirements. During the loading and unloading process, the workpiece 200 will rub and collide with the loading position 13. If the workpiece 200 is placed directly on the surface of the base 10, over time, the base 10 body will be scratched, worn, or even deformed, resulting in loss of accuracy of the entire positioning device 100 and high maintenance costs. The base 10 can be a plate-like structure. It is understood that the base 10 can be disposed on multiple support legs (not shown) to support the base 10.

[0027] In this embodiment, the drive mechanism 20 is connected to the second surface 12. The drive mechanism 20 includes a drive member 21 disposed on the second surface 12, a push member 22 connected to the drive member 21, a drive rod 23 connected to the push member 22, and a roller 24 connected to the push member 22. The push member 22 is provided with a push portion 221 extending in a first direction. The drive member 21 drives the push member 22 and the drive rod 23 to move in a second direction. The drive member 21 is a cylinder, the push member 22 is an irregular block structure, the push portion 221 is a block or rod structure, and the drive rod 23 is a strip structure. To improve the stability of the movement of the push member 22 and the drive rod 23, both the push member 22 and the drive rod 23 can be connected to the base 10 via slide rails.

[0028] In this embodiment, the lateral clamping mechanism 30 is connected to the second surface 12. The lateral clamping mechanism 30 includes a first lateral clamping component 31 and a second lateral clamping component 32 that are slidably connected to the second surface 12. The first lateral clamping component 31 and the second lateral clamping component 32 are both slidably connected to the second surface 12 along a first direction.

[0029] The first transverse clamping assembly 31 is connected to the drive rod 23 and includes a first clamping member 311 extending along a third direction and protruding from the first surface 11, a first sliding seat 312 slidably connected to the second surface 12 along a first direction, and a first linkage rod 313 rotatably connected at both ends to the drive rod 23 and the first sliding seat 312 about a third direction, respectively. The first clamping member 311 is connected to the first sliding seat 312. The drive member 21 drives the drive rod 23 to move away from or towards the drive member 21 along a second direction, so that the drive rod 23, through the first linkage rod 313, drives the first sliding seat 312 and the first clamping member 311 to move away from or towards the loading position 13 along the first direction.

[0030] The first sliding seat 312 has a strip-shaped structure and is connected to the base 10 via a slide rail to improve the stability of its movement. By setting the first linkage rod 313, the drive rod 23, the first linkage rod 313, and the first sliding seat 312 form a crank-slider mechanism, efficiently and accurately converting the second-direction linear motion of the drive rod 23 into the first-direction linear motion of the first clamping member 311, thus achieving the conversion of motion direction and effective force transmission. In this embodiment, the distance between the end of the first linkage rod 313 connected to the drive rod 23 and the drive member 21 is greater than the distance between the end of the first linkage rod 313 connected to the first sliding seat 312 and the drive member 21. Therefore, when the drive rod 23 moves away from the drive member 21, it drives the first sliding seat 312 and the first clamping member 311 away from the loading position 13; when the drive rod 23 moves closer to the drive member 21, it drives the first sliding seat 312 and the first clamping member 311 closer to the loading position 13.

[0031] The second transverse clamping assembly 32 elastically abuts against the pushing portion 221 and includes a second clamping member 321 extending along a third direction and protruding from the first surface 11. The first clamping member 311 and the second clamping member 321 are respectively disposed on both sides of the loading position 13 along the first direction. The second transverse clamping assembly 32 also includes a second sliding seat 322 slidably connected to the second surface 12 along the first direction, a transmission member 323 connected to the second sliding seat 322 and abutting against the pushing portion 221, and an elastic member 324 disposed on the side of the transmission member 323 away from the pushing portion 221. The second clamping member 321 is connected to the second sliding seat 322, and the elastic member 324 applies an elastic force to the transmission member 323 to move the transmission member 323 toward the pushing portion 221. When the driving member 21 drives the pushing member 22 away from the driving member 21 in the second direction, the pushing part 221 pushes the transmission member 323 to move in the first direction, thereby causing the second sliding seat 322 and the second clamping member 321 to move away from the loading position 13 in the first direction. When the driving member 21 drives the pushing member 22 to approach the driving member 21 in the second direction, the elastic member 324 pushes the transmission member 323 to approach the pushing part 221, thereby causing the second sliding seat 322 and the second clamping member 321 to approach the loading position 13 in the first direction.

[0032] One end of the transmission member 323 that abuts against the pushing part 221 is provided with an inclined surface 3231. In one embodiment, the inclined surface 3231 abuts against the pushing part 221. When the driving member 21 drives the pushing member 22 away from the driving member 21 in a second direction, the pushing part 221 slides along the inclined surface 3231 to push the transmission member 323 away from the pushing part 221 in a first direction. In this embodiment, the roller 24 is connected to the pushing part 221 and abuts against the inclined surface 3231. By providing the roller 24, sliding friction can be converted into rolling friction, which significantly reduces frictional resistance, wear, and noise during transmission, and improves transmission efficiency, motion smoothness, and service life of the device.

[0033] The second sliding seat 322 has a strip-shaped structure and is connected to the base 10 via a slide rail to improve the stability of its movement. The transmission member 323 has an L-shaped structure, and its body is fixedly connected to the second sliding seat 322. One end of the transmission member 323 extends along a first direction and abuts against the pushing part 221. The elastic member 324 is a spring, with one end abutting against the transmission member 323 and the other end abutting against the base 10. The base 10 is provided with a fixing block opposite to the transmission member 323 to support the elastic member 324. In this embodiment, two elastic members 324 are provided.

[0034] Thus, when the driving member 21 drives the pushing member 22 and the driving rod 23 away from or near the driving member 21 in the second direction, the first clamping member 311 and the second clamping member 321 move away from or near each other in the first direction, so that the workpiece 200 can be placed in the loading position 13 and the workpiece 200 can be clamped and positioned in the first direction.

[0035] In this embodiment, the lateral clamping mechanism 30 further includes a first clamping member 33 disposed on the side of the first clamping member 311 near the loading position 13 and a second clamping member 34 disposed on the side of the second clamping member 321 near the loading position 13. Both the first clamping member 33 and the second clamping member 34 are flexible components. The first clamping member 33 and the second clamping member 34 extend along a second direction to increase the contact area with the workpiece 200 when clamping it, thereby improving clamping stability. The first clamping member 311 and the second clamping member 321 are typically made of metal, have high hardness, and may have sharp edges. If they directly contact the workpiece 200, they can easily damage it. By providing the first clamping member 33 and the second clamping member 34, they can act as a buffer medium in contact with the workpiece 200, thus avoiding hard-on-hard damage to the workpiece 200. The first clamping component 33 and the second clamping component 34 can both be made of plastic steel, Teflon, etc. This can reduce the risk of the first clamping component 33 and the second clamping component 34 scratching the workpiece 200, and can increase the friction between the first clamping component 33 and the second clamping component 34 and the workpiece 200, thereby improving the stability of positioning.

[0036] The longitudinal clamping mechanism 40 is connected to the second surface 12. The longitudinal clamping mechanism 40 includes two longitudinal clamping components 41 arranged opposite to each other along the second direction. Both longitudinal clamping components 41 are connected to the second transverse clamping component 32 and each includes a third clamping member 411 extending along the third direction and protruding from the first surface 11. The two third clamping members 411 are respectively arranged on both sides of the loading position 13 along the second direction. Each longitudinal clamping assembly 41 further includes a third sliding seat 412 slidably connected to the second surface 12 along the second direction and a second linkage rod 413 rotatably connected at both ends to the second sliding seat 322 and the third sliding seat 412 respectively about the third direction. The third clamping member 411 is connected to the third sliding seat 412. When the driving member 21 pushes the transmission member 323 and the second sliding seat 322 away from the pushing member 22 along the first direction through the pushing member 22, the second sliding seat 322 drives the two third sliding seats 412 away from each other along the second direction through the two second linkage rods 413, thereby driving the two third clamping members 411 away from each other. When the elastic member 324 pushes the transmission member 323 and the second sliding seat 322 closer to the pushing member 22 along the first direction, the second sliding seat 322 drives the two third sliding seats 412 closer to each other along the second direction through the two second linkage rods 413, thereby driving the two third clamping members 411 closer to each other.

[0037] The third sliding seat 412 has a strip-shaped structure and is connected to the base 10 via a slide rail to improve the stability of the movement of the third sliding seat 412. By setting the second linkage rod 413, the second sliding seat 322, the second linkage rod 413, and the third sliding seat 412 form a crank-slider mechanism, which efficiently and accurately converts the linear motion of the second sliding seat 322 in the first direction into the linear motion of the third clamping member 411 in the second direction, thus realizing the conversion of the motion direction and the effective transmission of force. In this embodiment, the distance between the end of the second linkage rod 413 connected to the third sliding seat 412 and the drive rod 23 is greater than the distance between the end of the second linkage rod 413 connected to the second sliding seat 322 and the drive rod 23. Thus, when the second sliding seat 322 moves away from the drive rod 23, the second linkage rod 413 drives the third sliding seat 412 and the third clamping member 411 to move away from the loading position 13. When the third sliding seat 412 moves closer to the drive rod 23, the second linkage rod 413 drives the third sliding seat 412 and the third clamping member to move closer to the loading position 13.

[0038] The longitudinal clamping mechanism 40 also includes two third clamping members 42, each disposed on one side of the two third clamping members 411 near the loading position 13. Both third clamping members 42 are flexible components. The third clamping members 42 extend along the first direction to increase the contact area between the third clamping members 42 and the workpiece 200 when clamping it, thereby improving clamping stability. The third clamping members 411 are usually made of metal, which has high hardness and may have sharp edges. If they directly contact the workpiece 200, they can easily damage it. By setting the third clamping members 42, they can act as a buffer medium to contact the workpiece 200, thereby avoiding hard-on-hard damage to the workpiece 200. The materials of the two third clamping members 42 can be plastic steel, Teflon, etc., which can reduce the risk of the two third clamping members 42 scratching the workpiece 200 and increase the friction between the third clamping members 42 and the workpiece 200, thereby improving positioning stability.

[0039] The positioning device 100 provided in this embodiment supports the workpiece 200 via the loading position 13 of the base 10. The first transverse clamping assembly 31 is drivenly connected to the drive rod 23, and the second transverse clamping assembly 32 abuts against the pushing member 22. The first clamping member 311 and the second clamping member 321 correspond to the two sides of the loading position 13 along the first direction, respectively. The two longitudinal clamping assemblies 41 of the longitudinal clamping mechanism 40 are drivenly connected to the second transverse clamping assembly 32, and the two third clamping members 411 correspond to the two sides of the loading position 13 along the second direction, respectively. The driving member 21 in the driving mechanism 20 drives the pushing member 22 and the driving rod 23 to move away from the driving member 21. The driving rod 23 can drive the first transverse clamping assembly 31 to move, so that the first clamping member 311 moves away from the loading position 13; the pushing member 22 pushes the second transverse clamping assembly 32 to move, so that the second clamping member 321 moves away from the loading position 13; at the same time, the second transverse clamping assembly 32 drives the two longitudinal clamping assemblies 41 to move, so that the two third clamping members 411 move away from the loading position 13. At this time, the workpiece 200 can be placed on the loading position 13. After the workpiece 200 is placed, the driving component 21 drives the pushing component 22 and the driving rod 23 to move closer to the driving component 21. The driving rod 23 drives the first transverse clamping assembly 31 to move, so that the first clamping component 311 moves closer to the workpiece 200. The second transverse clamping assembly 32 elastically moves closer to the pushing component 22, thereby driving the second clamping component 321 to move closer to the workpiece 200. At the same time, the second transverse clamping assembly 32 drives the two longitudinal clamping assemblies 41 to move, so that the two third clamping components 411 move synchronously closer to the workpiece 200. In this way, the first clamping component 311, the second clamping component 321, and the two third clamping components 411 can simultaneously abut against the workpiece 200 from all sides, thereby completing the positioning of the workpiece 200.

[0040] The positioning device 100 provided in this application embodiment can drive the first transverse clamping assembly 31, the second transverse clamping assembly 32, and the two longitudinal clamping assemblies 41 to move through a single driving member 21, thereby positioning the workpiece 200 and reducing manufacturing costs. During positioning, the first clamping member 311, the second clamping member 321, and the two third clamping members 411 move synchronously toward the workpiece 200 to reduce the amount of movement of the workpiece 200 during positioning, thereby reducing the risk of scratching the workpiece 200 during the positioning process.

[0041] In some embodiments, see Figure 1 , Figure 2 and Figure 3 The base 10 has two loading positions 13, which are symmetrically arranged. The pusher 22 has two push parts 221, which are symmetrically arranged. There are two transverse clamping mechanisms 30, which are symmetrically arranged on both sides of the drive mechanism 20 along the first direction. The two first transverse clamping components 31 are drivenly connected to the drive rod 23, and the two second transverse clamping components 32 respectively abut against the two push parts 221. There are two longitudinal clamping mechanisms 40, which are symmetrically arranged on both sides of the drive mechanism 20 along the first direction. The two longitudinal clamping components 41 in each longitudinal clamping mechanism 40 are drivenly connected to the corresponding second transverse clamping components 32. In this way, two completely symmetrical positioning stations are driven synchronously by one drive mechanism 20. Without increasing the drive source and control complexity, the production efficiency is theoretically doubled, while significantly reducing the cost per station and the equipment footprint.

[0042] The operation of the positioning device 100 provided in this embodiment is roughly as follows: First, the driving member 21 drives the pushing member 22 and the driving rod 23 to move away from the driving member 21 along the second direction. The driving rod 23 drives the first sliding seat 312 to move closer to the driving rod 23 via the first linkage rod 313. The first sliding seat 312 drives the first clamping member 311 and the first clamping member 33 to move away from the material carrier plate 14. The pushing part 221 of the pushing member 22 pushes the inclined surface 3231 of the transmission member 323 via the roller 24. The pushing transmission member 323 and the second sliding seat 322 move away from the pushing member 22 along the first direction. The second sliding seat 322 drives the second clamping member 321 and the second clamping member 34 to move away from the material carrier plate 14. The second sliding seat 322 also drives the two third sliding seats 412 to move away from each other along the second direction via two second linkage rods 413. The two third sliding seats 412 drive the two third clamping members 411 and the two third clamping members 42 to move away from each other along the second direction. At this time, the first clamping member 33, the second clamping member 34, and the third clamping member 42 are all away from the material carrier plate 14. If two transverse clamping mechanisms 30 and two longitudinal clamping mechanisms 40 are provided, the two transverse clamping mechanisms 30 and the two longitudinal clamping mechanisms 40 move synchronously and symmetrically.

[0043] Then, the workpiece 200 is placed on the carrier plate 14. The driving member 21 drives the pushing member 22 and the driving rod 23 to move closer to the driving member 21 along the second direction. The driving rod 23 drives the first sliding seat 312 away from the driving rod 23 through the first linkage rod 313. The first sliding seat 312 drives the first clamping member 311 and the first clamping member 33 to move closer to the workpiece 200. The pushing member 22 moves away from the transmission member 323. The elastic member 324 pushes the transmission member 323 to move closer to the pushing member 22 along the first direction. The transmission member 323 drives the second sliding seat 322 to move closer to the pushing member 22. The second sliding seat 322 drives the second clamping member 321 and the second clamping member 34 to move closer to the workpiece 200 to clamp and position the workpiece 200 in the first direction. Simultaneously, the second sliding seat 322 also drives the two third sliding seats 412 to move closer to each other along the second direction via the two second linkage rods 413. The two third sliding seats 412 drive the two third clamping members 411 and the two third clamping members 42 to move closer to each other along the second direction, thereby clamping and positioning the workpiece 200 in the second direction. In this way, the workpiece 200 can be clamped simultaneously from all four sides, thereby achieving centered positioning of the workpiece 200.

[0044] It will be apparent to those skilled in the art that this application is not limited to the details of the exemplary embodiments described above, and that this application can be implemented in other specific forms without departing from the spirit or essential characteristics of this application. Therefore, the embodiments should be regarded as exemplary and non-limiting in all respects, and the scope of this application is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be embraced within this application.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this application without departing from the spirit and scope of the technical solutions of this application.

Claims

1. A positioning device, characterized in that, include: The base includes a first surface and a second surface arranged opposite to each other, the first surface being provided with a material loading position for supporting the workpiece; A driving mechanism is connected to the second surface and includes a driving member disposed on the second surface, a pushing member connected to the driving member, and a driving rod connected to the pushing member. The pushing member is provided with a pushing portion extending in a first direction, and the driving member drives the pushing member and the driving rod to move in a second direction. A transverse clamping mechanism, connected to the second surface and including a first transverse clamping assembly and a second transverse clamping assembly slidably connected to the second surface, wherein both the first and second transverse clamping assemblies are slidably connected to the second surface along the first direction; the first transverse clamping assembly is drively connected to the drive rod and includes a first clamping member extending along a third direction and protruding from the first surface; the second transverse clamping assembly elastically abuts against the pushing portion and includes a second clamping member extending along the third direction and protruding from the first surface; the first clamping member and the second clamping member are respectively disposed on both sides of the loading position along the first direction; and A longitudinal clamping mechanism, connected to the second surface and comprising two longitudinal clamping assemblies arranged opposite each other along the second direction, both longitudinal clamping assemblies being drively connected to the second transverse clamping assembly, and each including a third clamping member extending along the third direction and protruding from the first surface, the two third clamping members being respectively disposed on both sides of the material loading position along the second direction; wherein, The first direction, the second direction, and the third direction are perpendicular to each other.

2. The positioning device as described in claim 1, characterized in that, The first lateral clamping assembly further includes a first sliding seat slidably connected to the second surface along the first direction, and a first linkage rod whose two ends are respectively rotatably connected to the drive rod and the first sliding seat about the third direction; wherein, the first clamping member is connected to the first sliding seat; The driving member drives the driving rod to move away from or towards the driving member along the second direction, so that the driving rod, through the first linkage rod, drives the first sliding seat and the first clamping member to move away from or towards the loading position along the first direction.

3. The positioning device as described in claim 1, characterized in that, The second lateral clamping assembly further includes a second sliding seat slidably connected to the second surface along the first direction, a transmission member connected to the second sliding seat and abutting against the pushing portion, and an elastic member disposed on the side of the transmission member opposite to the pushing portion. The second clamping member is connected to the second sliding seat, and the elastic member applies an elastic force to the transmission member, causing the transmission member to move toward the pushing portion; wherein... When the driving member drives the pushing member away from the driving member in the second direction, the pushing part pushes the transmission member to move in the first direction, thereby causing the second sliding seat and the second clamping member to move away from the loading position in the first direction. When the driving member drives the pushing member to approach the driving member in the second direction, the elastic member pushes the transmission member to approach the pushing part, thereby causing the second sliding seat and the second clamping member to approach the loading position in the first direction.

4. The positioning device as described in claim 3, characterized in that, The transmission member has an inclined surface at one end that abuts against the pushing part. When the driving member drives the pushing member away from the driving member in the second direction, the pushing part slides along the inclined surface to push the transmission member away from the pushing part in the first direction.

5. The positioning device as described in claim 4, characterized in that, The drive mechanism also includes a roller connected to the pushing part, and the roller abuts against the inclined surface.

6. The positioning device as described in claim 3, characterized in that, Each of the longitudinal clamping assemblies further includes a third sliding seat slidably connected to the second surface along the second direction, and a second linkage rod rotatably connected at both ends to the second sliding seat and the third sliding seat respectively about the third direction; the third clamping member is connected to the third sliding seat; wherein... When the pushing member pushes the transmission member and the second sliding seat away from the pushing member along the first direction, the second sliding seat drives the two third sliding seats away from each other along the second direction through the two second linkage rods, thereby driving the two third clamping members away from each other. When the elastic member pushes the transmission member and the second sliding seat closer to the pushing member along the first direction, the second sliding seat drives the two third sliding seats closer to each other along the second direction through the two second linkage rods, thereby driving the two third clamping members closer to each other.

7. The positioning device as described in claim 1, characterized in that, The lateral clamping mechanism further includes a first clamping member disposed on the side of the first clamping member near the material loading position and a second clamping member disposed on the side of the second clamping member near the material loading position; The longitudinal clamping mechanism also includes two third clamping members respectively disposed on the side of the two third clamping members near the material loading position.

8. The positioning device as described in claim 7, characterized in that, The first clamping component, the second clamping component, and the two third clamping components are all flexible components.

9. The positioning device as described in claim 1, characterized in that, The base also includes a material carrier plate disposed at the material loading position, the material carrier plate supporting the workpiece.

10. The positioning device as claimed in claim 1, characterized in that, The base is provided with two material loading positions, which are symmetrically arranged. The pusher is provided with two pusher portions, which are symmetrically arranged. Two lateral clamping mechanisms are provided, and the two lateral clamping mechanisms are symmetrically arranged on both sides of the driving mechanism along the first direction. The two first lateral clamping components are drivenly connected to the driving rod, and the two second lateral clamping components abut against the two pushing parts respectively. There are two longitudinal clamping mechanisms, which are symmetrically arranged on both sides of the drive mechanism along the first direction. The two longitudinal clamping components in each longitudinal clamping mechanism are drivenly connected to the corresponding second transverse clamping component.

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