CN221791821U - A servo-controlled flexible positioning fixture - Google Patents

Abstract

The utility model discloses a servo-controlled flexible positioning clamp, which comprises a bottom plate, wherein a through hole is formed in the bottom plate, a rotating motor is fixedly arranged on one side of the bottom plate, an output end of the rotating motor rotates to penetrate through the bottom plate and is fixedly provided with a rotating rod, a connecting column is fixedly arranged on the inner wall of one side of the through hole, a connecting plate is fixedly arranged at the other end of the connecting plate, a round shaft is fixedly arranged on the other side of the round shaft, a fixing plate is fixedly arranged on the other side of the round shaft, the rotating rod is driven to rotate through the rotating motor, and when the frame rotates, the fixing plate is fixedly connected to the other side of the frame, the round shaft can be synchronously driven to rotate when the frame rotates, so that the whole frame is driven to rotate, a workpiece can be overturned without dismantling a clamping tool, and a lot of time is saved for maintenance personnel.

Description

A servo-controlled flexible positioning fixture

Technical Field

The utility model relates to the technical field of positioning fixtures, in particular to a flexible positioning fixture controlled by a servo.

Background Art

A fixture is a device used to fix the object to be processed in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. It is also called a fixture. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process of the process can be called a fixture. The fixture usually consists of a positioning element (to determine the correct position of the workpiece in the fixture), a clamping device, a tool guide element (to determine the relative position of the tool and the workpiece or to guide the direction of the tool), a dividing device (to enable the workpiece to complete the processing of several stations in one installation, and there are two types of rotary dividing devices and linear moving dividing devices), connecting elements and a clamp body (fixture base).

Currently, the common flexible positioning fixture can only be used to repair the workpiece when it is clamped. However, if the bottom of the workpiece needs to be repaired, the clamped fixture must be loosened first, and then the workpiece must be turned over. Then, the clamp must be used to clamp the workpiece again before the bottom of the workpiece can be repaired. This process will consume a lot of physical strength of the maintenance personnel. Therefore, a servo-controlled flexible positioning fixture is proposed to solve the above problem.

Utility Model Content

In view of the deficiencies of the prior art, the utility model provides a servo-controlled flexible positioning fixture for solving the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model adopts the following technical solutions:

A servo-controlled flexible positioning fixture comprises a base plate, the base plate is provided with a through hole, a rotating motor is fixedly installed on one side of the base plate, the output end of the rotating motor rotates through the base plate and is fixedly installed with a rotating rod, a connecting column is fixedly installed on the inner wall of one side of the through hole, a connecting plate is fixedly installed on the other end of the connecting column, a circular shaft is fixedly installed on the other side of the connecting plate, a fixed plate is fixedly installed on the other side of the circular shaft, the fixed plate and the rotating rod are fixedly connected to the same frame on one side where they are close to each other, the frame also has a through hole, and a moving component and a guide component are respectively arranged on the top side of the frame.

Preferably, the moving component includes two mounting plates fixedly mounted on the top side of the frame, a first servo motor is fixedly mounted on one side of one mounting plate, the output end of the first servo motor rotates through a mounting plate and is fixedly mounted with a first screw, and the other end of the first screw is rotatably connected to the other mounting plate.

Preferably, a first slider and a second slider are slidably installed on the outer side of the first screw rod, and one side of the first slider and the second slider is fixedly connected with a connecting block, both connecting blocks are provided with a long groove, and the other side of the two connecting blocks is fixedly installed with a moving block, and the two connecting blocks are symmetrically arranged.

Preferably, a second servo motor is fixedly mounted on one inner wall of the two connecting blocks, a second screw is fixedly mounted on the output ends of the two second servo motors, and the other ends of the two second screws are rotatably connected to the other inner walls of the two long slots respectively.

Preferably, a third slider and a fourth slider are slidably installed on the outer sides of the two second screw rods, respectively, one side of the two third sliders is fixedly connected to the first clamping plate, one side of the two fourth sliders is fixedly connected to the second clamping plate, and the other sides of the two first clamping plates and the two second clamping plates are fixedly installed with protective pads, and the two first clamping plates and the two second clamping plates are all L-shaped.

Preferably, the guide assembly includes two square plates fixedly mounted on the top side of the frame, a same guide rod is fixedly mounted on one side of the two square plates close to each other, and moving blocks fixedly mounted on the other sides of the two connecting blocks both slide on the guide rod.

Preferably, support legs are fixedly mounted on the bottom side of the base plate, and the number of the support legs is four.

Compared with the prior art, the beneficial effect of the utility model is that the flexible positioning clamp controlled by a servo drives the rotating rod to rotate through a rotating motor, and the frame fixedly connected to the other end of the rotating rod will rotate accordingly. By setting a circular shaft, when the frame rotates, because the other side of the circular shaft is fixedly connected to a fixed plate, and the fixed plate is fixedly connected to the other side of the frame, when the frame rotates, it can synchronously drive the circular shaft to rotate, thereby driving the entire frame to rotate, and the workpiece can be flipped without disassembling the clamping tool, saving a lot of time for maintenance personnel.

By running the first servo motor, the first slider and the second slider can be driven to move closer to or away from each other, so that the first slider and the second slider can synchronously drive the two connecting blocks to move closer to or away from each other, and the distance between the first slider and the second slider can be adjusted according to the size of the workpiece. By running the two second servo motors, the two third motors and the fourth motors can be driven to move closer to or away from each other, and the size and shape of the clamped workpiece can be further adjusted.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a three-dimensional structure of the utility model;

FIG2 is a schematic diagram of some parts of the first servo motor structure of the utility model;

FIG3 is a schematic diagram of some parts of the second servo motor structure of the utility model;

FIG. 4 is a schematic diagram of some parts of the structural frame of the utility model.

In the figure: 1. bottom plate; 2. supporting leg; 3. rotating motor; 4. rotating rod; 5. connecting column; 6. connecting plate; 7. round shaft; 8. fixing plate; 9. frame; 10. mounting plate; 11. first servo motor; 12. first screw rod; 13. first slider; 14. second slider; 15. connecting block; 16. moving block; 17. square plate; 18. guide rod; 19. second servo motor; 20. second screw rod; 21. third slider; 22. fourth slider; 23. first clamping plate; 24. second clamping plate; 25. protective pad.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Referring to Fig. 1-4, a servo-controlled flexible positioning fixture includes a base plate 1, the base plate 1 is provided with a through hole, a rotating motor 3 is fixedly installed on one side of the base plate 1, the output end of the rotating motor 3 rotates through the base plate 1 and is fixedly installed with a rotating rod 4, a connecting column 5 is fixedly installed on the inner wall of one side of the through hole, a connecting plate 6 is fixedly installed on the other end of the connecting column 5, a round shaft 7 is fixedly installed on the other side of the connecting plate 6, a fixing plate 8 is fixedly installed on the other side of the round shaft 7, and the fixing plate 8 and the rotating rod 4 are fixedly connected to the same frame 9 on one side close to each other, and the frame 9 also has a through hole. , the top side of the frame 9 is respectively provided with a moving component and a guide component. By rotating the motor 3, the rotating rod 4 can be driven to rotate, and the rotating rod 4 can drive the frame 9 to rotate. By setting the circular shaft 7, because the two sides of the circular shaft 7 are respectively fixedly connected with the connecting plate 6 and the fixing plate 8, and the other side of the fixing plate 8 is fixedly connected to the other side of the frame 9, because the circular shaft 7 is set, when the frame 9 rotates, the circular shaft 7 can be driven to rotate synchronously, thereby driving the entire frame 9 to rotate, and then the maintenance personnel can inspect or repair the bottom of the workpiece.

Specifically, the moving assembly includes two mounting plates 10 fixedly mounted on the top side of the frame 9, a first servo motor 11 is fixedly mounted on one side of one mounting plate 10, an output end of the first servo motor 11 rotates through one mounting plate 10 and is fixedly mounted with a first screw 12, the other end of the first screw 12 is rotatably connected to the other mounting plate 10, a first slider 13 and a second slider 14 are slidably mounted on the outer side of the first screw 12, a connecting block 15 is fixedly connected to one side of the first slider 13 and the second slider 14, both of which are provided with a long groove, and the two connecting blocks 15 are provided with a long groove. 5, a moving block 16 is fixedly installed on the other side, and the two connecting blocks 15 are symmetrically arranged. By starting the first servo motor 11, the first servo motor 11 drives the first screw 12 to rotate, thereby driving the first slider 13 and the second slider 14 slidably installed outside the first screw 12 to approach or move away from each other. Because the connecting blocks 15 are fixedly installed on one side of the first slider 13 and the second slider 14, when the first slider 13 and the second slider 14 move, the two connecting blocks 15 can also move synchronously, and can adjust the appropriate clamping position according to the length and width of the workpiece.

Specifically, a second servo motor 19 is fixedly installed on the inner wall of one side of the two connecting blocks 15, and a second screw 20 is fixedly installed on the output end of the two second servo motors 19. The other ends of the two second screws 20 are rotatably connected to the inner wall of the other side of the two long grooves, and a third slider 21 and a fourth slider 22 are slidably installed on the outer sides of the two second screws 20, and a first clamping plate 23 is fixedly connected to one side of the two third sliders 21, and a second clamping plate 24 is fixedly connected to one side of the two fourth sliders 22. A protective pad 25 is fixedly installed on the other side of the two first clamping plates 23 and the two second clamping plates 24. The two first clamping plates 23 and the two second clamping plates 24 are both L-shaped. By running the two second servo motors 19, the two second screws 20 can be driven to rotate. When the two second screw rods 20 rotate, the two third sliders 21 and the two fourth sliders 22 that are slidably installed on the outer sides of the two second screw rods 20 can approach or move away from each other, because the first clamping plate 23 is fixedly connected to one side of the two third sliders 21, and the second clamping plate 24 is fixedly connected to one side of the two fourth sliders 22. Therefore, when the third slider 21 and the fourth slider 22 approach each other, the first clamping plate 23 and the second clamping plate 24 will also approach each other. Moreover, because the first clamping plate 23 and the second clamping plate 24 are both L-shaped, the four corners of the workpiece can be well clamped. Moreover, by setting the protective pad 25, the surface of the workpiece can be avoided from being damaged when clamping the workpiece, and the distance between the first clamping plate 23 and the second clamping plate 24 can be adjusted according to the size of the workpiece.

Specifically, the guide assembly includes two square plates 17 fixedly mounted on the top side of the frame 9, and a guide rod 18 is fixedly mounted on one side of the two square plates 17 close to each other. The moving blocks 16 fixedly mounted on the other sides of the two connecting blocks 15 slide on the guide rod 18. By setting the guide rod 18 and the two moving blocks 16, when the first slider 13 and the second slider 14 drive the two connecting blocks 15 to move, the two moving blocks 16 can always move on the guide rod 18, and the guide rod 18 can play a role of limiting and guiding.

Specifically, the bottom side of the base plate 1 is fixedly mounted with support legs 2 , and the number of the support legs 2 is four.

When in use: by starting the first servo motor 11, the first servo motor 11 can drive the first screw 12 to rotate, and the first slider 13 and the second slider 14 slidably installed on the outside of the first screw 12 can approach each other, and then the workpiece can be clamped; by starting the two second servo motors 19, the two second servo motors 19 can drive the two second screws 20 to rotate, and the third slider 21 and the fourth slider 22 slidably installed on the two second screws 20 can approach each other; when the third slider 21 and the fourth slider 22 approach each other, the two first clamping plates 23 and the second clamping plates 24 will also move synchronously, so that the workpiece that needs to be repaired can be further fixed, and because the two first clamping plates 23 and the two second clamping plates The plates 24 are all L-shaped, and can stably fit the four corners of the workpiece to maximize the clamping effect. By setting up the protection pad 25, it is possible to avoid damaging the outer side of the workpiece when clamping the workpiece. When the bottom of the workpiece needs to be repaired, the rotating motor 3 can be used to drive the rotating rod 4 to rotate, and the rotating rod 4 can drive the frame 9 to rotate. By setting up the circular shaft 7, because the two sides of the circular shaft 7 are respectively fixedly connected with the connecting plate 6 and the fixed plate 8, and the other side of the fixed plate 8 is fixedly connected to the other side of the frame 9, because the circular shaft 7 is set, when the frame 9 rotates, the circular shaft 7 can be driven to rotate synchronously, thereby driving the entire frame 9 to rotate, and then the maintenance personnel can inspect or repair the bottom of the workpiece.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a by servo control's flexible positioning fixture, including bottom plate (1), its characterized in that, the through-hole has been seted up to bottom plate (1), one side fixed mounting of bottom plate (1) has rotating electrical machines (3), the output of rotating electrical machines (3) rotates and runs through bottom plate (1) and fixed mounting has dwang (4), one side inner wall fixed mounting of through-hole has spliced pole (5), the other end fixed mounting of spliced pole (5) has connecting plate (6), the opposite side fixed mounting of connecting plate (6) has circle axle (7), the opposite side fixed mounting of circle axle (7) has fixed plate (8), one side fixed connection that fixed plate (8) and dwang (4) are close to each other has same frame (9), the through-hole has also been seted up to frame (9), the top side of frame (9) is provided with moving assembly and direction subassembly respectively.

2. A servo-controlled flexible positioning jig according to claim 1, characterized in that the moving assembly comprises two mounting plates (10) fixedly mounted on the top side of the frame (9), a first servo motor (11) is fixedly mounted on one side of one mounting plate (10), the output end of the first servo motor (11) rotates through one mounting plate (10) and is fixedly provided with a first screw (12), and the other end of the first screw (12) is in rotational connection with the other mounting plate (10).

3. The servo-controlled flexible positioning clamp according to claim 2, wherein a first sliding block (13) and a second sliding block (14) are slidably mounted on the outer side of the first screw (12), one sides of the first sliding block (13) and the second sliding block (14) are fixedly connected with connecting blocks (15), long grooves are formed in the two connecting blocks (15), moving blocks (16) are fixedly mounted on the other sides of the two connecting blocks (15), and the two connecting blocks (15) are symmetrically arranged.

4. A servo-controlled flexible positioning clamp according to claim 3, wherein the second servo motors (19) are fixedly mounted on the inner walls of one sides of the two connecting blocks (15), the second screw rods (20) are fixedly mounted on the output ends of the two second servo motors (19), and the other ends of the two second screw rods (20) are respectively in rotary connection with the inner walls of the other sides of the two elongated slots.

5. The servo-controlled flexible positioning clamp according to claim 4, wherein the outer sides of the two second screws (20) are respectively provided with a third slider (21) and a fourth slider (22) in a sliding manner, one sides of the two third sliders (21) are respectively fixedly connected with a first clamping plate (23), one sides of the two fourth sliders (22) are respectively fixedly connected with a second clamping plate (24), the other sides of the two first clamping plates (23) and the two second clamping plates (24) are respectively fixedly provided with a protection pad (25), and the two first clamping plates (23) and the two second clamping plates (24) are respectively L-shaped.

6. A servo-controlled flexible positioning jig according to claim 1, characterized in that the guide assembly comprises two square plates (17) fixedly mounted on the top side of the frame (9), one side of the two square plates (17) close to each other is fixedly provided with the same guide rod (18), and the moving blocks (16) fixedly mounted on the other side of the two connecting blocks (15) are both slid on the guide rod (18).

7. A servo-controlled flexible positioning jig according to claim 1, characterized in that the bottom side of the base plate (1) is fixedly provided with four support legs (2).