Multi-degree-of-freedom auxiliary alignment device

Abstract

The utility model discloses a multi-degree-of-freedom auxiliary alignment device, which is characterized in that a base provides an integral supporting function, the base realizes X-axis movement, Y-axis movement and Z-axis rotation through universal wheels, and a movable bracket on the base realizes Z-axis movement through a vertical adjusting mechanism; a workpiece clamping seat at the end part of the movable bracket realizes Y-axis rotation through a first rotary adjusting mechanism and realizes X-axis rotation through a second rotary adjusting mechanism; during use, a workpiece is fixed through the workpiece clamping seat, the position and posture of the workpiece can be adjusted in six degrees of freedom by moving the base and operating the vertical adjusting mechanism, the first rotation adjusting mechanism and the second rotation adjusting mechanism, the operation degree of freedom is high, use is easy, and the working efficiency is high. The problem that existing manual operation equipment is difficult to meet the workpiece posture adjusting requirement can be effectively solved, and the production and machining efficiency and quality can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of production auxiliary equipment, and specifically relates to a multi-degree-of-freedom auxiliary alignment device. BACKGROUND

[0002] Mobile materials are relatively common in production and processing, such as stacking production materials, moving blank to a mold, and assembling split parts; for stacking production materials, which is an operation with relatively low requirements for movement precision, a forklift or other equipment is generally used; for moving blank to a mold and assembling split parts, which is an operation with relatively high requirements for movement precision, manual operation of a grabbing device or manual carrying is generally used.

[0003] In existing grabbing devices, the grabbing devices suitable for manual operation mostly have low operation degrees of freedom; for example, a workpiece grabbing device disclosed in Chinese patent CN221088205U can only perform lifting and horizontal pushing actions and cannot meet the requirements of operations that require adjustment of the posture of a workpiece; for example, a regulating device and a use method specially used for a six-axis machining device disclosed in Chinese patent CN113523316A have a high operation degree of freedom, but are generally automatically controlled by a program, and manual operation is difficult. In the production and processing involved by the applicant, a workpiece with a regular cross section is often horizontally loaded into a horizontal groove of another workpiece adapted thereto. Since the existing grabbing devices have low degrees of freedom or are difficult to operate manually, it is difficult to meet the requirements of manual accurate and flexible adjustment of the posture of a workpiece during horizontal loading. The applicant often manually carries and adjusts the posture of a workpiece to complete the above-mentioned horizontal loading action, but manual carrying is time-consuming and laborious, and in the process of repeatedly adjusting the posture of a workpiece to complete the alignment and loading, the workpiece is easily damaged. Therefore, a multi-degree-of-freedom auxiliary alignment device with a simple structure and simple operation is needed to improve the efficiency and quality of production and processing. SUMMARY

[0004] In view of the above-mentioned deficiencies of the prior art, the utility model aims to provide a multi-degree-of-freedom auxiliary alignment device to solve the technical problem that existing manually operated devices cannot meet the requirements of adjustment of the posture of a workpiece and achieve the effect of improving the efficiency and quality of production and processing.

[0005] To solve the above-mentioned technical problems, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of multi-degree-of-freedom auxiliary alignment device, including base, it is connected with multiple universal wheels below base, fixed support is equipped above base, fixed support is equipped with vertical adjusting mechanism, and it is connected with movable support by vertical adjusting mechanism, movable support realizes vertical movement by vertical adjusting mechanism;Movable support is transversely arranged, and the end away from fixed support is equipped with first rotary adjusting mechanism, the rotary shaft of first rotary adjusting mechanism is horizontally arranged and is perpendicular to the length direction of movable support, the rotary shaft of first rotary adjusting mechanism is equipped with second rotary adjusting mechanism, the rotary shaft of second rotary adjusting mechanism is perpendicular to the rotary shaft of first rotary adjusting mechanism, and the output end of the rotary shaft of second rotary adjusting mechanism is away from fixed support and is connected with workpiece clamping seat.

[0007] Further, the vertical adjusting mechanism includes a lead screw rotationally connected to the fixed support, the lead screw vertically penetrates the movable support and is threadedly connected, the movable support is vertically slidingly connected to the fixed support to cooperate with the lead screw to realize vertical movement, and a handle is provided at one end of the lead screw to rotate the lead screw.

[0008] Further, the fixed support is laterally protruded to form two vertically spaced connecting lugs on one side, and the lead screw is rotationally connected to the two connecting lugs at both ends; two vertically extending dovetail grooves are formed on the side of the fixed support where the connecting lugs are located, the lead screw is located between the two dovetail grooves, and a sliding block is protruded on the side of the movable support facing the fixed support to be matched with the dovetail groove.

[0009] Further, the first rotary adjusting mechanism includes a rotary shaft and a first housing, the first housing is fixedly connected to the movable support, one end of the rotary shaft of the first rotary adjusting mechanism is rotationally connected in the first housing and is synchronously rotationally connected to a first worm gear, the other end is an output end and is connected to the second rotary adjusting mechanism, a first worm is rotationally arranged in the first housing and is engaged with the first worm gear, one end of the first worm extends out of the first housing and is connected to a handle to rotate the first worm.

[0010] Further, the second rotary adjusting mechanism includes a rotary shaft and a second housing, the second housing is fixedly connected to the output end of the rotary shaft of the first rotary adjusting mechanism, one end of the rotary shaft of the second rotary adjusting mechanism is rotationally connected in the second housing and is synchronously rotationally connected to a second worm gear, the other end is an output end and is fixedly connected to the workpiece clamping seat, a second worm is rotationally arranged in the second housing and is engaged with the second worm gear, one end of the second worm extends out of the second housing and is connected to a handle to rotate the second worm.

[0011] Further, the movable support is in U shape and the opening is directed away from the fixed support, the first rotary adjusting mechanism is located at one end of the U-shaped movable support, the second rotary adjusting mechanism is located at the inner side of the movable support, an auxiliary shaft is arranged between the second casing and the other end of the U-shaped movable support, the auxiliary shaft is coaxial with the rotary shaft of the first rotary adjusting mechanism, one end of the auxiliary shaft is rotationally connected with the movable support and the other end is fixedly connected with the second casing.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The multi-degree-of-freedom auxiliary alignment device has the advantages that: the base provides overall support, the base is moved along the X-axis, the Y-axis and the Z-axis through universal wheels, the movable support on the base is moved along the Z-axis through a vertical adjusting mechanism, the workpiece clamping seat at the end of the movable support is rotated along the Y-axis through a first rotary adjusting mechanism and rotated along the X-axis through a second rotary adjusting mechanism; during use, the workpiece is fixed through the workpiece clamping seat, the position and posture of the workpiece are adjusted along six degrees of freedom by moving the base and operating the vertical adjusting mechanism, the first rotary adjusting mechanism and the second rotary adjusting mechanism, the operation degree of freedom is high and the device is simple to use, the device can effectively solve the problem that the existing manual operation device cannot meet the workpiece posture adjustment requirement, and the production and processing efficiency and quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the multi-degree-of-freedom auxiliary alignment device according to the embodiment;

[0015] Figure 2 It is a perspective view of the multi-degree-of-freedom auxiliary alignment device according to the embodiment;

[0016] Figure 3 It is Figure 2 It is a perspective view of the multi-degree-of-freedom auxiliary alignment device according to the embodiment;

[0017] Figure 4 It is a use schematic view of the multi-degree-of-freedom auxiliary alignment device according to the embodiment;

[0018] The fixed support 1, the movable support 2, the first rotary shaft 3, the second rotary shaft 4, the workpiece clamping seat 5, the lead screw 6, the handle 7, the connecting lug 8, the dovetail groove 9, the first casing 10, the first worm wheel 11, the first worm 12, the second casing 13, the second worm wheel 14, the second worm 15 and the auxiliary shaft 16. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model embodiments clearer, the technical scheme of the utility model embodiments will be described clearly and completely below in combination with the drawings in the utility model embodiments.

[0020] Embodiment:

[0021] Please see Figure 1 and Figure 2 A multi-degree-of-freedom auxiliary alignment device, comprising a base, a plurality of universal wheels connected below the base, a fixed support 1 provided above the base, the base and the universal wheels being common structures, not shown in the drawings, the base can adopt a relatively wide and large plate structure, the fixed support 1 is connected to the upper surface of the middle part, and the universal wheels are connected to the lower four corners to provide stable basic support; the fixed support 1 is provided with a vertical adjusting mechanism, and a movable support 2 is connected through the vertical adjusting mechanism, and the movable support 2 is vertically moved through the vertical adjusting mechanism; the movable support 2 is transversely arranged, and a first rotary adjusting mechanism is arranged at the end away from the fixed support 1, the rotary shaft of the first rotary adjusting mechanism is referred to as a first rotary shaft 3, the first rotary shaft 3 is horizontally arranged and perpendicular to the length direction of the movable support 2, the output end of the first rotary shaft 3 is provided with a second rotary adjusting mechanism, the rotary shaft of the second rotary adjusting mechanism is referred to as a second rotary shaft 4, the second rotary shaft 4 is perpendicular to the first rotary shaft 3, and the output end of the second rotary shaft 4 is away from the fixed support 1 and is connected with a workpiece clamping seat 5; in implementation, the workpiece clamping seat 5 is used for directly connecting the workpiece or clamping the workpiece through the installation of a tool clamp matched with the workpiece, as shown in Figure 4 In the embodiment, the workpiece is rectangular and has a flange at one end, and in use, the flange of the workpiece is connected with the workpiece clamping seat 5 through bolts; for the convenience of description and understanding, the above-mentioned vertical direction is defined as the Z-axis direction, the axial direction of the above-mentioned first rotary shaft 3 is defined as the Y-axis direction, and the axial direction of the above-mentioned second rotary shaft 4 is defined as the X-axis direction.

[0022] The multi-degree-of-freedom auxiliary alignment device provides overall support through the base, the base is moved along the X-axis, the Y-axis and the Z-axis through the universal wheels, the movable support 2 on the base is moved along the Z-axis through the vertical adjusting mechanism, and the workpiece clamping seat 5 at the end of the movable support 2 is rotated along the Y-axis through the first rotary adjusting mechanism and rotated along the X-axis through the second rotary adjusting mechanism; in use, the workpiece is fixed through the workpiece clamping seat 5, and the position and the posture of the workpiece can be adjusted in six degrees of freedom by moving the base, operating the vertical adjusting mechanism, the first rotary adjusting mechanism and the second rotary adjusting mechanism, the operation degree of freedom is high, the use is simple, the problem that the existing manual operation equipment cannot meet the workpiece posture adjustment requirement can be effectively solved, and the production and processing efficiency and quality can be improved.

[0023] Please see Figure 1 and Figure 2The vertical adjusting mechanism comprises a screw rod 6 rotatably connected with the fixed support 1, the screw rod 6 vertically penetrating the movable support 2 and being threadedly connected, the movable support 2 being vertically slidably connected with the fixed support 1 to realize vertical movement in cooperation with the screw rod 6, and the screw rod 6 being provided at one end with a handle 7 to rotate the screw rod 6;

[0024] In this way, the screw rod 6 is rotatably connected with the fixed support 1, the movable support 2 is threadedly connected with the screw rod 6 and vertically slidably connected with the fixed support 1, so that the fixed support 1, the screw rod 6 and the movable support 2 form a screw rod moving platform, in use, the screw rod 6 can be rotated by the handle 7, the screw rod 6 is rotated to drive the movable support 2 threadedly connected therewith to vertically move, the vertical movement self-locking can be realized by selecting the screw rod 6 with trapezoidal screw threads or designing the movable support 2 to be threadedly connected with the screw rod 6 through a self-locking nut, which is not only simple in structure but also convenient to operate and is beneficial to improve the practicability of the auxiliary alignment device.

[0025] In the embodiment, the screw rod 6 and the movable support 2 are arranged on the fixed support 1 as follows: two vertically spaced-apart connecting lugs 8 are formed on one side of the fixed support 1 in a lateral protrusion, the screw rod 6 is rotatably connected with the two connecting lugs 8 at two ends thereof, respectively, two vertically extending dovetail grooves 9 are formed on the side of the fixed support 1 where the connecting lugs 8 are located, the screw rod 6 is located between the two dovetail grooves 9, and a sliding block adapted to the dovetail grooves 9 is formed on the side of the movable support 2 facing the fixed support 1, the sliding block being located in the dovetail grooves 9 and being in sliding cooperation;

[0026] In this way, the movable support 2 is vertically slidably connected with the fixed support 1 through the cooperation of the sliding block and the dovetail grooves 9, the dovetail grooves 9 can prevent the sliding block from being laterally separated and can limit the movable support 2 from rotating with the screw rod 6 to adjust the vertical position of the movable support 2 in cooperation with the screw rod 6.

[0027] Please refer to Figure 2 and Figure 3 The first rotary adjusting mechanism comprises a rotary shaft and a first casing 10, the first casing 10 is fixedly connected with the movable support 2, the first rotary shaft 3 is rotatably connected at one end in the first casing 10 and is synchronously rotatably connected with a first worm wheel 11, the other end of the first rotary shaft 3 is connected with the second rotary adjusting mechanism as an output end, the first casing 10 is rotatably provided with a first worm 12 engaged with the first worm wheel 11, and one end of the first worm 12 extends out of the first casing 10 and is connected with the handle 7 to rotate the first worm 12;

[0028] Similarly, the second rotary adjusting mechanism comprises a rotary shaft and a second casing 13, the second casing 13 is fixedly connected with the output end of the first rotary shaft 3, the second rotary shaft 4 is rotatably connected in the second casing 13 and is synchronously rotatably connected with a second worm wheel 14, the other end of the second rotary shaft 4 is an output end and is fixedly connected with the workpiece clamping seat 5, a second worm 15 is rotatably arranged in the second casing 13 and is engaged with the second worm wheel 14, one end of the second worm 15 extends out of the second casing 13 and is connected with a handle 7, so as to rotate the second worm 15;

[0029] In this way, during use, the first worm 12 and the second worm 15 can be respectively rotated through the handle 7, so that the first rotary shaft 3 and the second rotary shaft 4 are driven to realize the adjustment of the X-axis rotation angle posture and the Y-axis rotation angle posture of the workpiece X, the worm and the gear structure itself has a certain self-locking ability, and it is unnecessary to additionally set a self-locking device, so that the structure is simple, the operation is convenient, and the practicability of the auxiliary alignment device is improved.

[0030] Please refer to Figure 1 and Figure 2 The movable support 2 is in a U shape and the opening is directed away from the fixed support 1, the first rotary adjusting mechanism is located at one end of the movable support 2, the second rotary adjusting mechanism is located on the inner side of the movable support 2, an auxiliary shaft 16 is arranged between the second casing 13 and the other end of the movable support 2, the auxiliary shaft 16 is coaxial with the first rotary shaft 3, one end of the auxiliary shaft 16 is rotatably connected with the movable support 2, and the other end of the auxiliary shaft 16 is fixedly connected with the second casing 13.

[0031] In this way, the movable support 2 is designed in a U shape, the structure is simple and reliable, the second rotary adjusting mechanism connected with the workpiece clamping seat 5 is arranged on the inner side of the U shape of the movable support 2, and the second casing 13 is connected with the auxiliary shaft 16 and the first rotary shaft 3, respectively, so that the stability of the connection between the second rotary adjusting mechanism and the movable support 2 is improved, the overall structural strength of the auxiliary alignment device is improved, and the use reliability is improved.

[0032] For the convenience of understanding, the use operation of the auxiliary alignment device is introduced by way of example, please refer to Figure 4The flange of the rectangular workpiece is connected with the plate-shaped workpiece clamping seat 5 through bolts, and the following steps are needed to accurately insert the rectangular workpiece into the groove on the side of another workpiece: 1) based on the universal wheel, the base is moved forward, backward, left and right and horizontally rotated, so that the rectangular workpiece is moved close to and towards the groove; 2) the position of the rectangular workpiece in the Z-axis direction is adjusted through the vertical adjusting mechanism, so that the rectangular workpiece is equal in height to the groove; 3) the rectangular workpiece is rotated in the Y-axis direction through the first rotary adjusting mechanism, so that the rectangular workpiece directly faces the groove, so as to realize equal-height alignment; 4) the rectangular workpiece is rotated in the X-axis direction through the second rotary adjusting mechanism, so that the end surface profile of the rectangular workpiece is aligned with the groove profile, and the angle difference is reduced, so as to smoothly insert the rectangular workpiece into the groove and avoid collision damage; and 5) after adjustment, the base is moved along the X-axis to insert the rectangular workpiece into the groove.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and not to limit the technical solutions. Those skilled in the art should understand that modifications or equivalent replacements to the technical solutions of the present application without departing from the spirit and scope of the present application should be covered in the scope of the claims of the present application.

Claims

1. A multi-degree of freedom assistive alignment device, characterized by: The base is connected with multiple universal wheels below, and is provided with a fixed support above, the fixed support is provided with a vertical adjusting mechanism, and is connected with a movable support through the vertical adjusting mechanism, and the movable support moves vertically through the vertical adjusting mechanism; the movable support is transversely arranged, and is provided with a first rotary adjusting mechanism at an end away from the fixed support, the rotary shaft of the first rotary adjusting mechanism is horizontally arranged and is perpendicular to the length direction of the movable support, the rotary shaft of the first rotary adjusting mechanism is provided with a second rotary adjusting mechanism, the rotary shaft of the second rotary adjusting mechanism is perpendicular to the rotary shaft of the first rotary adjusting mechanism, and the output end of the rotary shaft of the second rotary adjusting mechanism is away from the fixed support and is connected with a workpiece clamping seat.

2. The multi-degree of freedom alignment aid of claim 1, wherein: The vertical adjusting mechanism comprises a screw rod rotationally connected with the fixed support, the screw rod vertically penetrates the movable support and is threadedly connected, the movable support is vertically slidably connected with the fixed support to realize vertical movement in cooperation with the screw rod, and a handle is arranged at one end of the screw rod to facilitate rotation of the screw rod.

3. The multi-degree of freedom alignment aid of claim 2, wherein: The fixed support is laterally protruded to form two vertically spaced connecting lugs, and the two ends of the screw rod are rotationally connected with the two connecting lugs respectively; two vertically extending dovetail grooves are formed on the side of the fixed support where the connecting lugs are located, the screw rod is located between the two dovetail grooves, and the side of the movable support facing the fixed support is protruded to form a sliding block matched with the dovetail groove, the sliding block is located in the dovetail groove and is in sliding cooperation.

4. The multi-degree of freedom alignment aid of claim 1, wherein: The first rotary adjusting mechanism comprises a rotary shaft and a first casing, the first casing is fixedly connected with the movable support, one end of the rotary shaft of the first rotary adjusting mechanism is rotationally connected in the first casing and is synchronously rotationally connected with a first worm wheel, the other end is an output end and is connected with the second rotary adjusting mechanism, a first worm is rotationally arranged in the first casing and is in mesh with the first worm wheel, and one end of the first worm extends out of the first casing and is connected with a handle to facilitate rotation of the first worm.

5. The multi-degree of freedom alignment aid of claim 4, wherein: The second rotary adjusting mechanism comprises a rotary shaft and a second casing, the second casing is fixedly connected with the output end of the rotary shaft of the first rotary adjusting mechanism, one end of the rotary shaft of the second rotary adjusting mechanism is rotationally connected in the second casing and is synchronously rotationally connected with a second worm wheel, the other end is an output end and is fixedly connected with the workpiece clamping seat, a second worm is rotationally arranged in the second casing and is in mesh with the second worm wheel, and one end of the second worm extends out of the second casing and is connected with a handle to facilitate rotation of the second worm.

6. The multi-degree of freedom alignment aid of claim 5, wherein: The movable support is in a U shape and the opening is away from the fixed support, the first rotary adjusting mechanism is located at one end of the movable support, the second rotary adjusting mechanism is located on the inner side of the movable support, an auxiliary shaft is arranged between the second casing and the other end of the movable support, the auxiliary shaft is coaxial with the rotary shaft of the first rotary adjusting mechanism, one end of the auxiliary shaft is rotationally connected with the movable support, and the other end is fixedly connected with the second casing.

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