A linkage positioning device

Abstract

The utility model relates to the field of automobile production technology, and more specifically, to a linkage positioning device, including a driving mechanism, a first positioning mechanism, and a second positioning mechanism, wherein the first positioning mechanism and the second positioning mechanism are respectively located on both sides of the driving mechanism and are both connected to the driving mechanism; the driving mechanism includes a driving motor, a commutator, a first driving assembly, and a second driving assembly, wherein the output end of the driving motor, one end of the first driving assembly, and one end of the second driving assembly are all connected to the commutator, the other end of the first driving assembly is connected to the first positioning mechanism, and the other end of the second driving assembly is connected to the second positioning mechanism, and the driving motor transmits power to the first driving assembly and the second driving assembly respectively through the commutator, driving the first positioning mechanism and the second positioning mechanism to move closer to or away from each other. The utility model realizes two-position positioning of a workpiece through a driving motor, so as to save resources and reduce costs while meeting the installation and positioning requirements of the workpiece.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile production, and more specifically, to a linkage positioning device. Background Art

[0002] In the process of automobile assembly, it is often necessary to clamp and position the workpiece to coordinate with the installation of other parts. In the existing clamping and positioning devices, two parts are usually driven separately to clamp and position the workpiece from both sides. This makes it impossible to share the driving mechanism, which leads to a waste of resources. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a linkage positioning device that can realize two-position positioning of a workpiece through a driving motor, so as to save resources and reduce costs while meeting the installation and positioning requirements of the workpiece.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A linkage positioning device is provided, comprising a driving mechanism, a first positioning mechanism, and a second positioning mechanism, wherein the first positioning mechanism and the second positioning mechanism are respectively located on both sides of the driving mechanism and are both connected to the driving mechanism; the driving mechanism comprises a driving motor, a commutator, a first driving component, and a second driving component, wherein the output end of the driving motor, one end of the first driving component, and one end of the second driving component are all connected to the commutator, the other end of the first driving component is connected to the first positioning mechanism, and the other end of the second driving component is connected to the second positioning mechanism, and the driving motor transmits power to the first driving component and the second driving component respectively through the commutator, thereby driving the first positioning mechanism and the second positioning mechanism to move closer to or away from each other.

[0006] The driving mechanism of the utility model is used to drive the first positioning mechanism and the second positioning mechanism at the same time, so that the two positioning mechanisms share one driving mechanism, so as to save resources and reduce costs. Specifically, the driving motor rotates, and the commutator is used to convert the vertical rotation of the driving motor into the horizontal movement of the first positioning driving component and the second positioning driving component. The first driving component drives the first positioning mechanism to move, and the second driving component drives the second positioning mechanism to move. The first positioning mechanism and the second positioning mechanism simultaneously position the workpiece from different positions on the workpiece, preferably from both ends or both sides of the workpiece. The positioning referred to here is positioning in a broad sense, including but not limited to positioning and / or clamping the workpiece, so as to meet the installation and production needs of the workpiece; the first driving component drives the first positioning mechanism, and the second driving component drives the second positioning mechanism, so that the first positioning mechanism and the second positioning mechanism can be brought close to or away from each other, so as to realize the positioning and / or clamping of the workpiece, and release the positioning and / or clamping of the workpiece.

[0007] Preferably, the commutator includes a driving bevel gear, a first driven bevel gear, and a second driven bevel gear, the first driven bevel gear and the second driven bevel gear are respectively meshed with the driving bevel gear, the first driven bevel gear and the second driven bevel gear are coaxially arranged, and the axes of the first driven bevel gear and the second driven bevel gear are both perpendicular to the axis of the driving bevel gear, the driving bevel gear is mounted on the output shaft of the driving motor, the first driven bevel gear is connected to the first driving assembly, and the second driven bevel gear is connected to the second driving assembly.

[0008] Preferably, the first drive assembly includes a first lead screw and a first nut, the first lead screw and the first nut form a lead screw transmission pair, the first driven bevel gear drives the first lead screw to move, and the first positioning mechanism is connected to the first nut; the second drive assembly includes a second lead screw and a second nut, the second lead screw and the second nut form a lead screw transmission pair, the second driven bevel gear drives the second lead screw to move, and the second positioning mechanism is connected to the second nut.

[0009] Preferably, the first driven bevel gear is passed through the first lead screw, and the second driven bevel gear is passed through the second lead screw.

[0010] Preferably, it also includes a first coupling and a second coupling, the first driven bevel gear is passed through the first rotating shaft, and the first rotating shaft is connected to the first screw through the first coupling; the second driven bevel gear is passed through the second rotating shaft, and the second rotating shaft is connected to the second screw through the second coupling.

[0011] Preferably, the first drive component also includes a first shell, a first guide rail, and a first slider. The first lead screw and the first guide rail are both inserted into the first shell, and the first guide rail is also arranged parallel to the first lead screw. The first slider is installed at the bottom of the first nut, and the first slider is slidably connected to the first guide rail; the second drive component also includes a second shell, a second guide rail, and a second slider. The second lead screw and the second guide rail are both inserted into the second shell, and the second guide rail is also arranged parallel to the second lead screw. The second slider is installed at the bottom of the second nut, and the second slider is slidably connected to the second guide rail.

[0012] Preferably, it also includes a first connecting block, one end of which is connected to the first nut and the other end is connected to the first positioning mechanism; it also includes a second connecting block, one end of which is connected to the second nut and the other end is connected to the second positioning mechanism.

[0013] Preferably, it further comprises a first sensor and a second sensor, wherein the first sensor is installed on the first connecting block, and the second sensor is installed on the second connecting block.

[0014] Preferably, it also includes a first scale and a first pointer, the first scale is mounted on the first shell, and the first pointer is mounted on the first connecting block or the first nut; it also includes a second scale and a second pointer, the second scale is mounted on the second shell, and the second pointer is mounted on the second connecting block or the second nut.

[0015] Preferably, the first positioning mechanism and the second positioning mechanism are both latches.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The driving mechanism of the utility model is used to drive the first positioning mechanism and the second positioning mechanism at the same time, so that the two positioning mechanisms share one driving mechanism, so as to save resources and reduce costs. Specifically, the driving motor rotates, and the commutator is used to convert the vertical rotation of the driving motor into the horizontal movement of the first positioning driving component and the second positioning driving component. The first driving component drives the first positioning mechanism to move, and the second driving component drives the second positioning mechanism to move. The first positioning mechanism and the second positioning mechanism simultaneously position the workpiece from different positions on the workpiece, preferably from both ends or both sides of the workpiece. The positioning referred to here is positioning in a broad sense, including but not limited to positioning and / or clamping the workpiece, so as to meet the installation and production needs of the workpiece; the first driving component drives the first positioning mechanism, and the second driving component drives the second positioning mechanism, so that the first positioning mechanism and the second positioning mechanism can be brought close to or away from each other, so as to realize the positioning and / or clamping of the workpiece, and release the positioning and / or clamping of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model from the first perspective;

[0019] Figure 2 It is a structural schematic diagram of the utility model from a second viewing angle;

[0020] Figure 3 It is a structural schematic diagram of the commutator of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the first drive assembly of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the second driving assembly of the utility model.

[0023] The illustrations are as follows:

[0024] 1. Driving mechanism; 11. Driving motor; 12. Commutator; 121. Active bevel gear; 122. First driven bevel gear; 123. Second driven bevel gear; 124. First rotating shaft; 125. Second rotating shaft; 13. First driving assembly; 131. First lead screw; 132. First nut; 133. First coupling; 134. First housing; 135. First guide rail; 136. First slider; 14. Second driving assembly; 141. First Second lead screw; 142, second nut; 143, second coupling; 144, second housing; 145, second guide rail; 146, second slider; 2, first positioning mechanism; 3, second positioning mechanism; 41, first sensor; 42, second sensor; 51, first scale; 52, first pointer; 53, second scale; 54, second pointer; 61, first connecting block; 62, second connecting block; 63, third connecting block; 64, fourth connecting block. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with specific implementation methods. The drawings are only used for exemplary descriptions, and are only schematic diagrams, not actual pictures, and cannot be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0026] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0027] Example 1

[0028] like Figures 1 to 5 The figure shows a first embodiment of a linkage positioning device of the utility model, comprising a driving mechanism 1, a first positioning mechanism 2, and a second positioning mechanism 3. The first positioning mechanism 2 and the second positioning mechanism 3 are respectively located on both sides of the driving mechanism 1 and are both connected to the driving mechanism 1; the driving mechanism 1 comprises a driving motor 11, a commutator 12, a first driving component 13, and a second driving component 14. The output end of the driving motor 11, one end of the first driving component 13, and one end of the second driving component 14 are all connected to the commutator 12, the other end of the first driving component 13 is connected to the first positioning mechanism 2, and the other end of the second driving component 14 is connected to the second positioning mechanism 3. The driving motor 11 transmits power to the first driving component 13 and the second driving component 14 respectively through the commutator 12, so as to drive the first positioning mechanism 2 and the second positioning mechanism 3 to move closer to or away from each other.

[0029] As an embodiment of the present utility model, the commutator 12 includes a driving bevel gear 121, a first driven bevel gear 122, and a second driven bevel gear 123. The first driven bevel gear 122 and the second driven bevel gear 123 are respectively meshed with the driving bevel gear 121. The first driven bevel gear 122 and the second driven bevel gear 123 are coaxially arranged, and the axes of the first driven bevel gear 122 and the second driven bevel gear 123 are both perpendicular to the axis of the driving bevel gear 121. The driving bevel gear 121 is mounted on the output shaft of the drive motor 11, the first driven bevel gear 122 is connected to the first drive assembly 13, and the second driven bevel gear 123 is connected to the second drive assembly 14.

[0030] The output shaft of the driving motor 11 drives the active bevel gear 121 to rotate, and the active bevel gear 121 is used to drive the first driven bevel gear 122 and the second driven bevel gear 123, and the first driven bevel gear 122 drives the first driving component 13 to move and then drives the first positioning mechanism 2 to move, and the second driven bevel gear 123 drives the second driving component 14 to move and then drives the second positioning mechanism 3 to move, thereby realizing the approach and distance between the first positioning mechanism 2 and the second positioning mechanism 3; wherein, the coaxially arranged first driven bevel gear 122 and the second driven bevel gear 123 can facilitate the active bevel gear 121 to mesh with both at the same time, and it can also facilitate the control of the movement of the first positioning mechanism 2 and the second positioning mechanism 3; the vertically arranged active bevel gear 121 and the first driven bevel gear 122 and the second driven bevel gear 123 enable the vertical rotation of the driving motor 11 to be converted into the horizontal rotation of the first driven bevel gear 122 and the second driven bevel gear 123, thereby realizing the linkage between the first positioning mechanism 2 and the second positioning mechanism 3. It is within the knowledge of those skilled in the art that other driving mechanisms 1 may also be provided to realize the linkage between the first positioning mechanism 2 and the second positioning mechanism 3 .

[0031] As an embodiment of the utility model, the first drive assembly 13 includes a first lead screw 131 and a first nut 132, the first lead screw 131 and the first nut 132 form a lead screw transmission pair, the first driven bevel gear 122 drives the first lead screw 131 to move, and the first positioning mechanism 2 is connected to the first nut 132; the second drive assembly 14 includes a second lead screw 141 and a second nut 142, the second lead screw 141 and the second nut 142 form a lead screw transmission pair, the second driven bevel gear 123 drives the second lead screw 141 to move, and the second positioning mechanism 3 is connected to the second nut 142. The lead screw transmission pair can convert rotational motion into linear motion. After the drive motor 11 converts vertical rotation into horizontal rotation through the commutator 12, the lead screw nut transmission pair of the first drive assembly 13 and the second drive assembly 14 is used to make the first positioning mechanism 2 and the second positioning mechanism 3 perform horizontal linear motion, thereby facilitating the first positioning mechanism 2 and the second positioning mechanism 3 to approach or move away.

[0032] As an embodiment of the utility model, it also includes a first coupling 133 and a second coupling 143. The first driven bevel gear 122 is provided on the first rotating shaft 124, and the first rotating shaft 124 is connected to the first screw 131 through the first coupling 133; the second driven bevel gear 123 is provided on the second rotating shaft 125, and the second rotating shaft 125 is connected to the second screw 141 through the second coupling 143. The first driven bevel gear 122 drives the first rotating shaft 124 to rotate; the second driven bevel gear 123 drives the second rotating shaft 125 to rotate; the coupling is used for the transmission of force and motion, and can also play a protective role. The first coupling 133 is used to transmit the rotation of the first rotating shaft 124 to the first screw 131, so as to realize the rotation of the first screw 131; the second coupling 143 is used to transmit the rotation of the second rotating shaft 125 to the second screw 141, so as to realize the rotation of the second screw 141.

[0033] As an embodiment of the utility model, it also includes a first connecting block 61, one end of which is connected to the first nut 132, and the other end is connected to the first positioning mechanism 2; and also includes a second connecting block 62, one end of which is connected to the second nut 142, and the other end is connected to the second positioning mechanism 3. The first connecting block 61 is used to connect the first positioning mechanism 2 with the first nut 132, so as to facilitate the installation and fixation of the first positioning mechanism 2; similarly, the second connecting block 62 is used to connect the second positioning mechanism 3 with the second nut 142, so as to facilitate the installation and fixation of the second positioning mechanism 3. Furthermore, in the first driving assembly 13, a third connecting block 63 is installed, and in the second driving assembly 14, a fourth connecting block 64 is installed. The third connecting block 63 and the fourth connecting block 64 are respectively used to connect the first driving assembly 13 and the second driving assembly 14 with the outside world, so as to facilitate the installation and fixation of the entire linkage positioning device.

[0034] As an embodiment of the utility model, it also includes a first sensor 41 and a second sensor 42, the first sensor 41 is installed on the first connecting block 61, and the second sensor 42 is installed on the second connecting block 62. The first sensor 41 and the second sensor 42 are both used to sense the position of the workpiece, so as to facilitate the first positioning mechanism 2 and the second positioning mechanism 3 to perceive the positioning and / or clamping of the workpiece, which is conducive to improving the positioning and clamping effect, and improving work efficiency.

[0035] As an embodiment of the present invention, the first positioning mechanism 2 and the second positioning mechanism 3 are both hook pins. The hook pins can facilitate positioning and clamping of the workpiece. Within the scope of knowledge of those skilled in the art, the first positioning mechanism 2 and the second positioning mechanism 3 can also be other structures that facilitate positioning and / or clamping of the workpiece.

[0036] Example 2

[0037] The following is a second embodiment of a linkage positioning device of the utility model, which is similar to the first embodiment, except that the first driven bevel gear 122 is inserted through the first lead screw 131, and the second driven bevel gear 123 is inserted through the second lead screw 141. In this embodiment, the first driven bevel gear 122 is directly mounted on the first lead screw 131 to drive the rotation of the first lead screw 131, and the first coupling 133 can be omitted, thereby achieving the same effect; the second driven bevel gear 123 is mounted on the second lead screw 141, and the effect is similar.

[0038] Example 3

[0039] The following is a third embodiment of a linkage positioning device of the utility model. This embodiment is similar to the first embodiment, except that the first drive assembly 13 also includes a first housing 134, a first guide rail 135, and a first slider 136. The first lead screw 131 and the first guide rail 135 are both penetrated through the first housing 134, and the first guide rail 135 is also arranged in parallel with the first lead screw 131. The first slider 136 is installed at the bottom of the first nut 132, and the first slider 136 is slidably connected to the first guide rail 135; the second drive assembly 14 also includes a second housing 144, a second guide rail 145, and a second slider 146. The second lead screw 141 and the second guide rail 145 are both penetrated through the second housing 144, and the second guide rail 145 is also arranged in parallel with the second lead screw 141. The second slider 146 is installed at the bottom of the second nut 142, and the second slider 146 is slidably connected to the second guide rail 145.

[0040] The first housing 134 is used to install the first lead screw 131 and the first guide rail 135, and the second housing 144 is used to install the second lead screw 141 and the second guide rail 145. The first guide rail 135 cooperates with the first slider 136 to realize the guiding effect of the first nut 132 relative to the movement process of the first lead screw 131, so as to facilitate the linear movement of the first nut 132. At the same time, the first lead screw 131 and the first guide rail 135 work together to limit the first nut 132 and prevent the first nut 132 from rotating. The functions of the second guide rail 145 and the second slider 146 are similar to those of the first guide rail 135 and the first slider 136.

[0041] As an embodiment of the utility model, it also includes a first scale 51 and a first pointer 52, the first scale 51 is mounted on the first housing 134, and the first pointer 52 is mounted on the first connecting block 61 or the first nut 132; it also includes a second scale 53 and a second pointer 54, the second scale 53 is mounted on the second housing 144, and the second pointer 54 is mounted on the second connecting block 62 or the second nut 142. The first scale 51 and the first pointer 52 are used in conjunction with each other to indicate the horizontal position movement of the first drive assembly 13; similarly, the second scale 53 and the second pointer 54 are used in conjunction with each other to indicate the horizontal position movement of the second drive assembly 14. Preferably, the third connecting block 63 mentioned above is mounted on the first housing 134, and the fourth connecting block 64 is mounted on the second housing 144.

[0042] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not intended to limit the implementation methods of the utility model. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A linkage positioning device, comprising a driving mechanism (1), a first positioning mechanism (2), and a second positioning mechanism (3), wherein the first positioning mechanism (2) and the second positioning mechanism (3) are respectively located on both sides of the driving mechanism (1) and are both connected to the driving mechanism (1); characterized in that: The driving mechanism (1) comprises a driving motor (11), a commutator (12), a first driving component (13), and a second driving component (14); the output end of the driving motor (11), one end of the first driving component (13), and one end of the second driving component (14) are all connected to the commutator (12); the other end of the first driving component (13) is connected to the first positioning mechanism (2), and the other end of the second driving component (14) is connected to the second positioning mechanism (3); the driving motor (11) transmits power to the first driving component (13) and the second driving component (14) respectively through the commutator (12), thereby driving the first positioning mechanism (2) and the second positioning mechanism (3) to move closer to or farther from each other.

2. The linkage positioning device according to claim 1, characterized in that: The commutator (12) comprises a driving bevel gear (121), a first driven bevel gear (122), and a second driven bevel gear (123); the first driven bevel gear (122) and the second driven bevel gear (123) are respectively meshed with the driving bevel gear (121); the first driven bevel gear (122) and the second driven bevel gear (123) are coaxially arranged; the axes of the first driven bevel gear (122) and the second driven bevel gear (123) are both arranged perpendicular to the axis of the driving bevel gear (121); the driving bevel gear (121) is mounted on the output shaft of the driving motor (11); the first driven bevel gear (122) is connected to the first driving assembly (13); and the second driven bevel gear (123) is connected to the second driving assembly (14).

3. The linkage positioning device according to claim 2, characterized in that: The first drive assembly (13) comprises a first lead screw (131) and a first nut (132), the first lead screw (131) and the first nut (132) forming a lead screw transmission pair, the first driven bevel gear (122) drives the first lead screw (131) to move, and the first positioning mechanism (2) is connected to the first nut (132); the second drive assembly (14) comprises a second lead screw (141) and a second nut (142), the second lead screw (141) and the second nut (142) forming a lead screw transmission pair, the second driven bevel gear (123) drives the second lead screw (141) to move, and the second positioning mechanism (3) is connected to the second nut (142).

4. The linkage positioning device according to claim 3, characterized in that: The first driven bevel gear (122) is inserted through the first lead screw (131), and the second driven bevel gear (123) is inserted through the second lead screw (141).

5. The linkage positioning device according to claim 3, characterized in that: The invention also comprises a first coupling (133) and a second coupling (143); the first driven bevel gear (122) is passed through the first rotating shaft (124); the first rotating shaft (124) is connected to the first lead screw (131) through the first coupling (133); the second driven bevel gear (123) is passed through the second rotating shaft (125); the second rotating shaft (125) is connected to the second lead screw (141) through the second coupling (143).

6. The linkage positioning device according to any one of claims 3 to 5, characterized in that: The first driving assembly (13) further comprises a first housing (134), a first guide rail (135), and a first slider (136); the first lead screw (131) and the first guide rail (135) are both passed through the first housing (134); the first guide rail (135) is also arranged in parallel with the first lead screw (131); the first slider (136) is mounted on the bottom of the first nut (132); the first slider (136) is slidably connected to the first guide rail (135); the second driving assembly (14) further comprises a second housing (144), a second guide rail (145), and a second slider (146); the second lead screw (141) and the second guide rail (145) are both passed through the second housing (144); the second guide rail (145) is also arranged in parallel with the second lead screw (141); the second slider (146) is mounted on the bottom of the second nut (142); the second slider (146) is slidably connected to the second guide rail (145).

7. The linkage positioning device according to claim 6, characterized in that: It also includes a first connecting block (61), one end of which is connected to the first nut (132) and the other end of which is connected to the first positioning mechanism (2); and a second connecting block (62), one end of which is connected to the second nut (142) and the other end of which is connected to the second positioning mechanism (3).

8. The linkage positioning device according to claim 7, characterized in that: It also comprises a first sensor (41) and a second sensor (42), wherein the first sensor (41) is mounted on the first connecting block (61), and the second sensor (42) is mounted on the second connecting block (62).

9. The linkage positioning device according to claim 7, characterized in that: The invention also includes a first scale (51) and a first pointer (52), wherein the first scale (51) is mounted on the first housing (134), and the first pointer (52) is mounted on the first connecting block (61) or the first nut (132); and a second scale (53) and a second pointer (54), wherein the second scale (53) is mounted on the second housing (144), and the second pointer (54) is mounted on the second connecting block (62) or the second nut (142).

10. The linkage positioning device according to claim 1, characterized in that: The first positioning mechanism (2) and the second positioning mechanism (3) are both canceled.

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