Probe structure

Abstract

The utility model provides a probe structure, which relates to the technical field of parallel robot related equipment and comprises a probe mechanism, a lifting assembly, a connecting frame, a first driving assembly and a second driving assembly. The first driving assembly is connected with the connecting frame, the first driving assembly is connected with the lifting assembly, and the first driving assembly is used for driving the lifting assembly to move relative to the connecting frame; the probe mechanism and the second driving assembly are both connected with the lifting assembly, the second driving assembly is connected with the probe mechanism, and the second driving assembly is used for driving the probe mechanism to rotate relative to the lifting assembly. According to the utility model, the technical problem that the probe structure of the parallel robot in the prior art is inconvenient to adjust the height and rotate is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of parallel robot related equipment, and especially to a probe structure. BACKGROUND

[0002] The parallel robot technology is applied to the electronic test technology industry and becomes the development demand. With the rapid development of industrial production activities, the serial robot and the parallel robot complement each other, and are widely applied to each field of production and life, and also become an important development target. Among them, the parallel robot has the characteristics of stable mechanism, high precision, small error and large trajectory planning solution range.

[0003] With the large-scale production of electronic products, the intelligent electronic test robot is urgently needed, and the accuracy, efficiency and convenience are the main demand points.

[0004] The probe structure of the parallel robot is used for operating the electrical target test point, mainly including short circuit, voltage supply, power supply ground and voltage measurement. However, the existing probe is inconvenient for height adjustment and rotation. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a probe structure to alleviate the technical problem that the probe structure of the parallel robot is inconvenient for height adjustment and rotation in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] In the first aspect, the utility model provides a probe structure, which comprises a probe mechanism, a lifting assembly, a connecting frame, a first driving assembly and a second driving assembly, the lifting assembly is connected with the connecting frame;

[0008] The first driving assembly is connected with the connecting frame, and the first driving assembly is connected with the lifting assembly, and the first driving assembly is used for driving the lifting assembly to move relative to the connecting frame;

[0009] The probe mechanism and the second driving assembly are connected with the lifting assembly, the second driving assembly is connected with the probe mechanism, and the second driving assembly is used for driving the probe mechanism to rotate relative to the lifting assembly.

[0010] Further, the first driving assembly comprises a first driving part, the first driving part is connected with the connecting frame, and the output end of the first driving part is provided with a threaded wheel;

[0011] The lifting assembly includes a lifting frame, which is slidably disposed within the accommodating space of the connecting frame, and the lifting frame is provided with a threaded component, which is connected to the threaded wheel.

[0012] The first driving member drives the threaded component and the lifting frame to move along the first direction via the threaded wheel.

[0013] Furthermore, the connecting frame is provided with a guide rod along the first direction, the free end of the guide rod extends into the lifting frame body, and the free end of the guide rod is provided with a limiting block.

[0014] Furthermore, the probe mechanism includes a connector, a locking member, and a probe assembly, wherein the probe assembly is detachably connected to one end of the connector via the locking member;

[0015] The other end of the connector is rotatably connected to the lifting frame.

[0016] Furthermore, a driven gear is provided at the end of the connector away from the probe assembly;

[0017] The second drive assembly includes a second drive member. The output end of the second drive member is provided with a drive gear. The drive gear meshes with the driven gear. The second drive member is used to drive the driven gear to rotate through the drive gear, so as to make the connecting member rotate.

[0018] Furthermore, the connector has a threaded groove, which is detachably connected to the locking member.

[0019] Furthermore, the probe assembly includes a guide post and a probe head connected to the guide post. The guide post has a steel ball groove for accommodating a steel ball, and the guide post is connected to the locking member.

[0020] The connector is provided with a ball chamber and a receiving cavity in sequence along the direction away from the threaded groove, and the receiving cavity, the ball chamber and the threaded groove are connected in sequence;

[0021] The end of the guide post facing away from the probe head passes through the ball magazine and the threaded groove in sequence, and is then inserted into the receiving cavity so that the ball is placed in the ball magazine.

[0022] Furthermore, the probe mechanism also includes an elastic element disposed within the accommodating cavity, with one end of the elastic element connected to the guide post and the other end connected to the cavity wall of the accommodating cavity.

[0023] Furthermore, the probe structure also includes a conductive component, one end of which is connected to the probe mechanism, and the other end of which is used to connect to an external power supply device.

[0024] Furthermore, the conductive component includes a wire and a first connector and a second connector respectively connected to both ends of the wire;

[0025] The first connector extends into the lifting assembly and connects to the probe mechanism;

[0026] The second connector is used to connect to an external power supply device.

[0027] This utility model can achieve the following beneficial effects:

[0028] In a first aspect, the present invention provides a probe structure, including a probe mechanism, a lifting assembly, a connecting frame, a first driving assembly, and a second driving assembly. The lifting assembly is connected to the connecting frame; the first driving assembly is connected to the connecting frame and also to the lifting assembly. The first driving assembly is used to drive the lifting assembly to move relative to the connecting frame; both the probe mechanism and the second driving assembly are connected to the lifting assembly, and the second driving assembly is connected to the probe mechanism. The second driving assembly is used to drive the probe mechanism to rotate relative to the lifting assembly.

[0029] In this invention, a connecting frame is used to connect with an external structure, and a lifting assembly is slidably connected to the connecting frame along a first direction. A first driving assembly is also connected to the connecting frame, and its output end is connected to the lifting assembly, enabling the lifting assembly to move relative to the connecting frame along the first direction. A probe mechanism is connected to the lifting assembly, meaning the probe mechanism moves synchronously with the lifting assembly. A second driving assembly is connected to the lifting assembly, and its output end is connected to the probe mechanism, used to drive the probe mechanism to rotate relative to the lifting assembly.

[0030] Compared with the prior art, the probe structure provided by this utility model can realize the movement of the lifting assembly and probe mechanism relative to the connecting frame along the first direction by the first driving assembly, while the second driving assembly drives the probe mechanism to rotate relative to the lifting assembly; and when the first direction is the height direction, the height and rotation of the probe structure can be adjusted.

[0031] In summary, this invention at least alleviates the technical problems of inconvenience in adjusting the height of the probe structure and rotating it in existing parallel robots. Attached Figure Description

[0032] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0033] Figure 1 An exploded view of the probe portion of the probe structure provided in an embodiment of this utility model;

[0034] Figure 2 A schematic diagram of the probe portion of the probe structure provided in this embodiment of the utility model;

[0035] Figure 3 This is a schematic diagram of the overall structure of the probe structure provided in an embodiment of the present utility model;

[0036] Figure 4 This is a partial structural diagram of the probe structure provided in an embodiment of the present invention.

[0037] Icons: 1-Probe mechanism; 11-Connector; 111-Accommodation cavity; 112-Steel ball chamber; 113-Threaded groove; 12-Locking component; 13-Elastic component; 14-Steel ball; 15-Probe assembly; 151-Guide post; 1511-Steel ball groove; 152-Probe head; 16-Driven gear; 2-Lifting frame; 21-Threaded component; 22-Connecting pipe; 3-Connecting frame; 31-Accommodation space; 32-Guide rod; 321-Limiting block; 4-First driving component; 41-Threaded wheel; 5-Second driving component; 51-Drive gear; 6-Conductive component; 61-First connector; 62-Wire; 63-Second connector. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0039] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0040] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0041] In the description of this utility model, it should be noted that the terms "upper," "lower," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0042] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0043] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0044] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0045] Example 1

[0046] This embodiment provides a probe structure, as shown in the reference. Figure 3 and Figure 4 The probe structure includes a probe mechanism 1, a lifting assembly, a connecting frame 3, a first driving assembly, and a second driving assembly. The lifting assembly is connected to the connecting frame 3. The first driving assembly is connected to the connecting frame 3 and also to the lifting assembly. The first driving assembly is used to drive the lifting assembly to move relative to the connecting frame 3. Both the probe mechanism 1 and the second driving assembly are connected to the lifting assembly. The second driving assembly is connected to the probe mechanism 1 and is used to drive the probe mechanism 1 to rotate relative to the lifting assembly.

[0047] This utility model embodiment at least alleviates the technical problems existing in the prior art, such as the inconvenience of adjusting the height of the probe structure of parallel robots and the inconvenience of rotation.

[0048] In this embodiment of the invention, the connecting frame 3 is used to connect with an external structure, and the lifting assembly is slidably connected to the connecting frame 3 along a first direction. The first driving assembly is also connected to the connecting frame 3, and its output end is connected to the lifting assembly, so as to drive the lifting assembly to move relative to the connecting frame 3 along the first direction. The probe mechanism 1 is connected to the lifting assembly, that is, the probe mechanism 1 moves synchronously with the lifting assembly. The second driving assembly is connected to the lifting assembly, and its output end is connected to the probe mechanism 1, so as to drive the probe mechanism 1 to rotate relative to the lifting assembly.

[0049] Compared with the prior art, the probe structure provided by this utility model embodiment can realize the movement of the lifting component together with the probe mechanism 1 relative to the connecting frame 3 in a first direction by the first driving component, while the second driving component drives the probe mechanism 1 to rotate relative to the lifting component; and when the first direction is the height direction, the height adjustment and rotation adjustment of the probe mechanism 1 can be realized.

[0050] In an optional implementation of this embodiment, refer to Figure 3 The first driving component includes a first driving member 4, which is connected to the connecting frame 3, and the output end of the first driving member 4 is provided with a threaded wheel 41; the lifting component includes a lifting frame 2, which is slidably disposed in the accommodating space 31 of the connecting frame 3, and the lifting frame 2 is provided with a threaded member 21, which is connected to the threaded wheel 41; the first driving member 4 drives the threaded member 21 and the lifting frame 2 to move along the first direction through the threaded wheel 41.

[0051] Specifically: the first driving component 4 is connected to the connecting frame 3, and the first driving component 4 is preferably a servo motor. The output end of the first driving component 4 is provided with a threaded wheel 41. Correspondingly, a threaded component 21 is provided on one side of the lifting frame 2, and the threaded component 21 is preferably distributed along the first direction. The threaded component 21 is threadedly connected to the threaded wheel 41. In use, the first driving component 4 drives the threaded wheel 41 to rotate, so that the threaded wheel 41 rotates relative to the threaded component 21, thereby causing the threaded component 21 to move relative to the threaded wheel 41 along the first direction, thereby driving the lifting frame 2 to move synchronously along the accommodating space 31.

[0052] Furthermore, referring to Figure 3 and Figure 4 The connecting frame 3 is provided with a guide rod 32 along the first direction. The free end of the guide rod 32 extends into the lifting frame 2, and the free end of the guide rod 32 is provided with a limit block 321.

[0053] Specifically: the free end of the guide rod 32 extends into the lifting frame 2, and the free end of the guide rod 32 is provided with a limiting block 321; preferably, there are two guide rods 32, and the lifting frame 2 can move along the extension direction of the guide rod 32 and be limited by the limiting block 321 at the end of the guide rod 32.

[0054] In an optional implementation of this embodiment, refer to Figure 1 and Figure 2 The probe mechanism 1 includes a connector 11, a locking member 12, and a probe assembly 15. The probe assembly 15 is detachably connected to one end of the connector 11 via the locking member 12; the other end of the connector 11 is rotatably connected to the lifting frame 2.

[0055] Specifically: the connector 11 can be a curved structure, and both ends of it are distributed along the first direction. One end of the connector 11 is connected to the probe assembly 15 through the locking member 12, and the other end is rotatably connected to the lifting frame 2.

[0056] In an optional implementation of this embodiment, refer to Figure 1 , Figure 2 and Figure 4 The connector 11 is provided with a driven gear 16 at one end away from the probe assembly 15; the second drive assembly includes a second drive member 5, the output end of the second drive member 5 is provided with a drive gear 51, the drive gear 51 meshes with the driven gear 16, and the second drive member 5 is used to drive the driven gear 16 to rotate through the drive gear 51 so that the connector 11 rotates.

[0057] Specifically: the end of the connector 11 furthest from the probe assembly 15 is provided with a driven gear 16, while the second drive member 5 is connected to the lifting frame 2, and the output end of the second drive member 5 is rotatably provided with a drive gear 51. The connector 11 is fitted with the driven gear 16, and the drive gear 51 and the driven gear 16 mesh. In use, the drive gear 51 drives the driven gear 16 to rotate, thereby driving the connector 11 and the probe assembly 15 to rotate.

[0058] Furthermore, referring to Figure 1 The connector 11 has a threaded groove 113, which is detachably connected to the locking member 12.

[0059] Specifically: the bottom of the connector 11 is provided with a threaded groove 113 along the first direction, and the locking member 12 is provided with threads. By threading the locking member 12 to the threaded groove 113, the locking member 12 can be detachably connected in the threaded groove 113, thereby fixing the probe assembly 15 connected to the locking member 12 relative to the connector 11.

[0060] Furthermore, referring to Figure 1 and Figure 2The probe assembly 15 includes a guide post 151 and a probe head 152 connected to the guide post 151. The guide post 151 has a steel ball groove 1511 for accommodating the steel ball 14, and the guide post 151 is connected to the locking member 12. The connecting member 11 has a steel ball chamber 112 and a receiving cavity 111 in sequence along the direction away from the threaded groove 113. The receiving cavity 111, the steel ball chamber 112 and the threaded groove 113 are connected in sequence. The end of the guide post 151 away from the probe head 152 passes through the steel ball chamber 112 and the threaded groove 113 in sequence and is inserted into the receiving cavity 111 so that the steel ball 14 is placed in the steel ball chamber 112.

[0061] Specifically: A guide post 151 is provided at the top center of the probe head 152 along the first direction, and an annular steel ball groove 1511 is provided on the guide post 151 along its circumference. Multiple steel balls 14 are provided in the steel ball groove 1511. After the guide post 151 is rotatably connected to the locking member 12 and passes through the locking member 12, multiple steel balls 14 are placed in the steel ball chamber 112, and the top of the guide post 151 is inserted into the receiving cavity 111, so that the guide post 151 can rotate relative to the connector 11.

[0062] Furthermore, referring to Figure 1 The probe mechanism 1 also includes an elastic element 13, which is disposed in the accommodating cavity 111. One end of the elastic element 13 is connected to the guide post 151, and the other end is connected to the cavity wall of the accommodating cavity 111.

[0063] Specifically: the elastic element 13 is disposed in the accommodating cavity 111, and one end of the elastic element 13 is connected to the guide post 151, and the other end is connected to the cavity wall of the accommodating cavity 111; preferably, the elastic element 13 can be a spring, and the spring is used to abut against the guide post 151 so that the probe head 152 has a range of movement in the first direction after contacting the object.

[0064] In an optional implementation of this embodiment, refer to Figure 3 The probe structure also includes a conductive component 6, one end of which is connected to the probe mechanism 1, and the other end is used to connect to an external power supply device.

[0065] Specifically, one end of the conductive component 6 is connected to the probe mechanism 1, and the other end is used to connect to an external power supply device; preferably, the conductive component 6 passes through the lifting frame 2 and is then connected to the probe mechanism 1. Correspondingly, both the first driving component 4 and the second driving component 5 can be electrically connected to an external power source via connecting wires.

[0066] Furthermore, referring to Figure 3 and Figure 4 The conductive component 6 includes a wire 62 and a first connector 61 and a second connector 63 connected to both ends of the wire 62 respectively; the first connector 61 extends into the lifting component and is connected to the probe mechanism 1; the second connector 63 is used to connect to an external power supply device.

[0067] Specifically: the lifting frame 2 may also be provided with a connecting pipe 22 along the first direction. The free end of the connecting pipe 22 is rotatably connected to one end of the connector 11, that is, the connector 11 can rotate relative to the connecting pipe 22. The first connector 61 can pass through the connecting pipe 22 and be connected to the probe mechanism 1, or it can be directly connected to the probe mechanism 1. The wire 62 can be connected to an external power supply device through the second connector 63.

[0068] It should be noted that the connecting frame 3 is also equipped with a pressure / torque sensor and a stroke sensor. Both the pressure / torque sensor and the stroke sensor are electrically connected to the probe mechanism 1 to monitor the pressure, torque and stroke of the probe mechanism 1 during use.

[0069] Finally, it should be noted that the various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Similar or identical parts between embodiments can be referred to mutually. The above embodiments in this specification are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of this utility model.

Claims

1. A probe structure, characterized in that, It includes a probe mechanism (1), a lifting assembly, a connecting frame (3), a first driving assembly and a second driving assembly, wherein the lifting assembly is connected to the connecting frame (3); The first drive component is connected to the connecting frame (3) and the first drive component is connected to the lifting component. The first drive component is used to drive the lifting component to move relative to the connecting frame (3). The probe mechanism (1) and the second drive component are both connected to the lifting component. The second drive component is connected to the probe mechanism (1) and is used to drive the probe mechanism (1) to rotate relative to the lifting component.

2. The probe structure according to claim 1, characterized in that, The first drive assembly includes a first drive member (4), which is connected to the connecting frame (3), and the output end of the first drive member (4) is provided with a threaded wheel (41); The lifting assembly includes a lifting frame (2), which is slidably disposed in the accommodating space (31) of the connecting frame (3), and the lifting frame (2) is provided with a threaded part (21), which is connected to the threaded wheel (41). The first driving member (4) drives the threaded member (21) and the lifting frame (2) to move along the first direction via the threaded wheel (41).

3. The probe structure according to claim 2, characterized in that, The connecting frame (3) is provided with a guide rod (32) along the first direction. The free end of the guide rod (32) extends into the lifting frame (2), and the free end of the guide rod (32) is provided with a limiting block (321).

4. The probe structure according to claim 2, characterized in that, The probe mechanism (1) includes a connector (11), a locking member (12), and a probe assembly (15). The probe assembly (15) is detachably connected to one end of the connector (11) via the locking member (12). The other end of the connector (11) is rotatably connected to the lifting frame (2).

5. The probe structure according to claim 4, characterized in that, The connector (11) has a driven gear (16) at one end away from the probe assembly (15); The second drive assembly includes a second drive member (5), and the output end of the second drive member (5) is provided with a drive gear (51). The drive gear (51) meshes with the driven gear (16), and the second drive member (5) is used to drive the driven gear (16) to rotate through the drive gear (51) so that the connecting member (11) rotates.

6. The probe structure according to claim 5, characterized in that, The connector (11) has a threaded groove (113), and the threaded groove (113) is detachably connected to the locking member (12).

7. The probe structure according to claim 6, characterized in that, The probe assembly (15) includes a guide post (151) and a probe head (152) connected to the guide post (151). The guide post (151) has a steel ball groove (1511) for accommodating a steel ball (14), and the guide post (151) is connected to the locking member (12). The connector (11) is provided with a ball magazine (112) and a receiving cavity (111) in sequence along the direction away from the threaded groove (113), and the receiving cavity (111), the ball magazine (112) and the threaded groove (113) are connected in sequence; The end of the guide post (151) facing away from the probe head (152) passes through the ball magazine (112) and the threaded groove (113) in sequence, and is inserted into the receiving cavity (111) so that the ball (14) is placed in the ball magazine (112).

8. The probe structure according to claim 7, characterized in that, The probe mechanism (1) further includes an elastic element (13), which is disposed in the accommodating cavity (111), and one end of the elastic element (13) is connected to the guide post (151), and the other end is connected to the cavity wall of the accommodating cavity (111).

9. The probe structure according to any one of claims 1-8, characterized in that, It also includes a conductive component (6), one end of which is connected to the probe mechanism (1), and the other end is used to connect to an external power supply device.

10. The probe structure according to claim 9, characterized in that, The conductive component (6) includes a wire (62) and a first connector (61) and a second connector (63) respectively connected to both ends of the wire (62); The first connector (61) extends into the lifting assembly and connects to the probe mechanism (1); The second connector (63) is used to connect to an external power supply device.

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