CN221221317U - Parallelism adjusting device and lead screw linear guide rail module - Google Patents

Abstract

The utility model discloses a parallelism adjusting device and a screw linear guide rail module, wherein the parallelism adjusting device comprises: the movable slide block is provided with a first through hole which is communicated left and right and a second through hole which is communicated up and down, and the first through hole and the second through hole are not communicated with each other; the first pin shaft is connected with the screw rod module, passes through the first through hole and can slide left and right along the first through hole; the second pin shaft is connected with the linear guide rail module and penetrates through the second through hole and can slide up and down along the second through hole. The utility model ensures the parallelism between the linear guide rail module and the screw rod module, and the movable slide block is simple to process and the precision is easy to ensure. According to the utility model, the rigid connection between the screw rod module and the linear guide rail module in the original design is improved to be flexible connection, so that the requirements on assembly personnel are greatly reduced, and meanwhile, the production efficiency is greatly improved.

Description

Parallelism adjusting device and lead screw linear guide rail module

Technical Field

The utility model relates to the technical field of mechanical automation, in particular to a parallelism adjusting device and a screw linear guide rail module.

Background

In a conventional screw linear guide rail module, a body of the module is manufactured by adopting a material with better rigidity, and the parallelism of the screw and the guide rail is accurately adjusted in a factory, so that the production cost is higher, and the technical requirements on personnel for adjustment are higher. In some special working scenes, when the standard module is inconvenient to use, the parallelism of the screw rod and the guide rail is ensured to be more difficult.

In the automatic wiring robot, because of the compactness of the structure, a specially designed module form is adopted, and the parallelism of the screw and the guide rail cannot be precisely adjusted by using a conventional module. The motion axis of the inner ring manipulator of the reversing wiring device can generate horizontal or vertical or horizontal and vertical position deviation due to the spatial structure relation, tolerance difference generated by machining in actual production and assembly difference of the guide rail and the lead screw. The connection part of the guide rail and the screw rod is in rigid connection, if the adjustment is needed, the adjustment of the gap piece is needed at different positions, even the secondary processing is needed, and the state of the adjustment module can occupy a large amount of time.

Disclosure of utility model

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the existing screw linear guide rail module has position deviation and cannot be subjected to automatic deviation correction, so as to provide a parallelism adjusting device and the screw linear guide rail module.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

A parallelism adjusting apparatus comprising:

the movable sliding block is provided with a first through hole which is communicated left and right and a second through hole which is communicated up and down, and the first through hole and the second through hole are not communicated with each other;

the first pin shaft is connected with the screw rod module, passes through the first through hole and can slide left and right along the first through hole;

the second pin shaft is connected with the linear guide rail module and penetrates through the second through hole and can slide up and down along the second through hole.

According to the further optimized technical scheme, the movable sliding block is a wear-resistant sliding block, and the first pin shaft and the second pin shaft are bearing steel pin shafts.

A lead screw linear guide module comprising:

The screw rod module is connected with the driving module and driven by the driving module;

The linear guide rail module is connected with the screw rod module through the parallelism adjusting device, and is driven by the screw rod module to linearly move along the front-back direction; when the lead screw module generates left-right direction position deviation during operation, the lead screw module drives the movable slide block to move left and right so as to correct the deviation; when the screw rod module generates position deviation in the vertical direction during operation, the screw rod module drives the movable sliding block to move up and down so as to correct the deviation.

Further optimizing technical scheme, the bottom location of lead screw module and linear guide module sets up on the manipulator bottom plate.

Further optimizing technical scheme, the lead screw module includes:

The pair of positioning plates are respectively arranged on the bottom plate of the manipulator at intervals;

the two ends of the lead screw are rotatably arranged on the two positioning plates, and one end of the lead screw extends out of the positioning plates and is connected with the driving module;

The screw plate is assembled on the screw rod in a threaded manner and linearly moves when the screw rod rotates;

And one end of the connecting piece is connected with the silk motherboard, and the other end of the connecting piece is connected with the movable sliding block.

According to a further optimized technical scheme, a first groove is formed in the rear side wall of the connecting piece and is used for accommodating the movable sliding block; the first groove is provided with a first pin shaft hole along the left-right direction, and the first pin shaft is fixedly arranged in the first pin shaft hole.

Further optimizing technical scheme, set up on the connecting piece with the perpendicular first locating hole of first round pin axle hole mutually, be provided with the first screw that contacts with first round pin axle in the first locating hole, first screw is used for retraining first round pin axle to prevent that first round pin axle from coming off.

Further optimizing technical scheme, linear guide module includes:

The linear guide rail is fixed on the bottom plate of the manipulator along the front-back direction, is parallel to the screw rod and is not collinear with the screw rod;

The sliding plate is slidably assembled on the linear guide rail;

and the manipulator base plate is connected with the sliding plate and the movable sliding block.

According to the further optimized technical scheme, the rear end of the manipulator substrate is provided with a second groove, and the second groove is used for accommodating the movable slide block; and a second pin shaft hole is formed in the second groove along the up-down direction, and the second pin shaft is fixedly arranged in the second pin shaft hole.

Further optimizing technical scheme, the second locating hole parallel with the second pin shaft hole is offered on the top of manipulator base plate, is provided with the second screw that contacts with the removal slider in the second locating hole, and the second screw is used for retraining the upper and lower shift position of removal slider to prevent that the second pin shaft from droing.

The technical scheme of the utility model has the following advantages:

1. The parallelism adjusting device is arranged at the joint of the screw rod module and the linear guide rail module, and when the screw rod module generates deviation in the horizontal direction, the movable sliding block is driven to move in the horizontal direction, so that the linear guide rail module is not driven to move in the horizontal direction, and the deviation correcting function in the horizontal direction is realized; when the screw rod module generates deviation in the up-down direction, the movable sliding block is driven to move in the up-down direction, so that the linear guide rail module is not driven to move in the up-down direction, and the deviation correction function in the up-down direction is realized. Therefore, the utility model can always ensure that the linear guide rail module moves along the front-back direction, and ensure the parallelism between the linear guide rail module and the screw rod module. And the movable slide block is simple to process, and the precision is easy to ensure.

2. According to the parallelism adjusting device provided by the utility model, the movable sliding block is the wear-resistant sliding block, the first pin shaft and the second pin shaft are both bearing steel pin shafts, and the movable sliding block, the first pin shaft and the second pin shaft have higher hardness and wear resistance and longer service life.

3. According to the screw linear guide rail module, the parallelism adjusting device is arranged at the joint of the screw module and the linear guide rail module, the parallelism between the screw module and the linear guide rail module is guaranteed through the parallelism adjusting device, and automatic correction of offset can be performed. According to the utility model, the rigid connection between the screw rod module and the linear guide rail module in the original design is improved to be flexible connection, so that the requirements on assembly personnel are greatly reduced, and meanwhile, the production efficiency is greatly improved.

And the screw linear guide rail module is simple to assemble, easy to handle, and easy to ensure the consistency of the final operation effect.

4. The utility model provides a screw linear guide rail module, wherein a first positioning hole perpendicular to a first pin shaft hole is formed in a connecting piece, and a first screw contacted with the first pin shaft is arranged in the first positioning hole. The first screw is used for restraining the first pin shaft so as to prevent the first pin shaft from falling off.

5. The utility model provides a screw linear guide rail module, wherein a second positioning hole parallel to a second pin shaft hole is formed in the top end of a manipulator substrate, and a second screw contacted with a movable sliding block is arranged in the second positioning hole. The second screw is used for restraining the up-and-down moving position of the moving slide block, and further preventing the second pin shaft from falling off.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a portion of a parallelism adjusting apparatus according to the present utility model;

Fig. 2 is a schematic view of a first view angle structure of a linear guide rail module of a lead screw according to the present utility model;

Fig. 3 is a schematic diagram of a second view angle structure of a linear guide rail module of a lead screw according to the present utility model;

fig. 4 is a schematic structural diagram of a linear guide rail module of a screw provided by the utility model when offset occurs;

Fig. 5 is a schematic diagram of a moving spatial structure of a moving slide block of a screw linear guide rail module provided by the utility model.

Reference numerals:

1. the sliding block 11, the first through hole 12, the second through hole 13, the first pin shaft 14 and the second pin shaft are moved;

2. A screw rod module group 21, a screw rod 22, a first positioning plate 23 and a second positioning plate, 24, a silk mother board, 25, a connecting piece, 251 and a first groove;

3. The linear guide rail module 31, the linear guide rail 32, the sliding plate 33, the manipulator base plate 331 and the second groove;

4. A first screw;

5. a second screw;

6. The driving module, 61, the driving motor, 62, the first driving wheel, 63, the second driving wheel, 64 and the belt;

7. And a manipulator base plate.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

In fig. 1, one motion axis of the inner ring manipulator of the reversing wiring device, due to the spatial structure, the positions of the guide rail and the screw, tolerance differences generated by processing in actual production, and assembly differences, positional deviations existing in the horizontal or vertical or horizontal and vertical directions as shown in fig. 1 can be generated.

In order to adjust the deviation generated by the horizontal direction, a part capable of automatically moving horizontally is needed, and also in order to adjust the deviation generated by the vertical direction, a part capable of automatically moving vertically is needed, therefore, the utility model designs a moving slide block with a pair of orthogonal holes, and the moving slide block can move along a pin shaft corresponding to the holes.

Example 1

As shown in fig. 1 and 2, the present embodiment discloses a parallelism adjusting apparatus including a movable slider 1, a first pin 13, and a second pin 14.

The movable slider 1 is provided with a first through hole 11 penetrating from left to right and a second through hole 12 penetrating from top to bottom, and the first through hole 11 and the second through hole 12 are not communicated with each other.

The first pin shaft 13 is connected with the screw module 2, and the first pin shaft 13 passes through the first through hole 11 and can slide left and right along the first through hole 11.

The second pin 14 is connected with the linear guide rail module 3, and the second pin 14 passes through the second through hole 12 and can slide up and down along the second through hole 12.

The parallelism adjusting device is arranged at the joint of the screw rod module 2 and the linear guide rail module 3, and when the screw rod module 2 generates deviation in the horizontal direction, the moving slide block 1 is driven to move in the horizontal direction, so that the linear guide rail module 3 is not driven to move in the horizontal direction, and the deviation correcting function in the horizontal direction is realized; when the screw rod module 2 generates deviation in the up-down direction, the movable slide block 1 is driven to move in the up-down direction, and then the linear guide rail module 3 is not driven to move in the up-down direction, so that the deviation correction function in the up-down direction is realized. Therefore, the linear guide module 3 can be always guaranteed to move along the front-back direction, and the parallelism between the linear guide module 3 and the screw module 2 is guaranteed.

As a further improved embodiment, the movable slider 1 is made of wear-resistant materials, and the first pin shaft 13 and the second pin shaft 14 are made of bearing steel materials. In this embodiment, the moving slider 1, the first pin shaft 13 and the second pin shaft 14 have higher hardness and wear resistance, and have longer service life.

Example 2

As shown in fig. 1 to 5, the present embodiment discloses a screw linear guide module including a screw module 2, a linear guide module 3, and a parallelism adjusting apparatus in embodiment 1.

The screw module 2 is connected with the driving module 6 and is driven by the driving module 6.

The linear guide rail module 3 is connected with the screw rod module 2 through a parallelism adjusting device, and the linear guide rail module 3 is driven by the screw rod module 2 to linearly move along the front-back direction.

Above-mentioned a lead screw linear guide module sets up parallelism adjusting device in lead screw module 2 and linear guide module 3 junction, guarantees the parallelism between lead screw module 2 and the linear guide module 3 through parallelism adjusting device, improves the rigid connection of lead screw module 2 and linear guide module 3 in the original design into flexible connection, reduces the requirement to the assembler by a wide margin, has improved production efficiency simultaneously by a wide margin. Since the lead screw linear guide rail module automatically carries out deviation correction, the running stability of the lead screw linear guide rail module is also superior to that of the original design. When the lead screw module 2 generates left-right direction position deviation during operation, the lead screw module 2 drives the movable slide block 1 to move left and right, so that the linear guide rail module 3 is not driven to move left and right, and deviation correction is performed; when the lead screw module 2 generates vertical position deviation during operation, the lead screw module 2 drives the movable slide block 1 to move up and down, and further the linear guide rail module 3 is not driven to move up and down so as to correct the deviation.

As a specific embodiment, the bottom ends of the screw rod module 2 and the linear guide module 3 are positioned on the manipulator base plate 7.

As a specific embodiment, the screw module 2 includes a positioning plate, a screw 21, a screw plate 24, and a connector 25. The locating plates are provided with a pair of first locating plates 22 and second locating plates 23 which are respectively arranged vertically and are respectively arranged on the bottom plate 7 of the manipulator at intervals. The two ends of the screw rod 21 are rotatably arranged on the two positioning plates, and one end of the screw rod 21 extends out of the positioning plates and is connected with the driving module 6. The screw plate 24 is screw-fitted to the screw 21 and linearly moves when the screw 21 rotates. One end of the connecting piece 25 is connected with the silk motherboard 24, and the other end of the connecting piece 25 is connected with the movable slide block 1. In this embodiment, the driving module 6 drives the screw 21 to rotate, and when the screw 21 rotates, the screw plate 24 is driven to linearly move in the front-back direction, so as to drive the connecting piece 25 to linearly move in the front-back direction.

As a further development, the rear side wall of the connecting piece 25 is provided with a first recess 251, the first recess 251 being provided for receiving the mobile slider 1. The first groove 251 is provided with a first pin shaft hole along the left-right direction, and the first pin shaft 13 is fixedly arranged in the first pin shaft hole. In this embodiment, the moving slider 1 may be accommodated in the first groove 251, and the moving slider 1 may move left and right along the first pin 13, so that when a deviation occurs in the left and right direction, the connecting piece 25 may directly drive the moving slider 1to move left and right, so as to ensure that the linear guide rail module 3 does not move left and right.

As a further improved embodiment, the connecting piece 25 is provided with a first positioning hole perpendicular to the first pin shaft hole, and the first positioning hole is internally provided with a first screw 4 contacted with the first pin shaft 13. In this embodiment, the first screw 4 is used to constrain the first pin 13 to prevent the first pin 13 from falling off.

As a specific embodiment, the linear guide module 3 includes a linear guide 31, a slide plate 32, and a robot base plate 33. The linear guide 31 is fixed to the robot base plate 7 in the front-rear direction, is parallel to the screw 21, and is not collinear with the screw 21. The slide plate 32 is slidably fitted on the linear guide 31. The robot base plate 33 is connected to the slide plate 32 and to the movable slider 1. In the present embodiment, the screw module 2 can drive the manipulator base plate 33 and the sliding plate 32 to slide along the linear guide rail 31 by moving the sliding block 1.

As a further improved embodiment, the rear end of the manipulator substrate 33 is provided with a second recess 331, and the second recess 331 is configured to accommodate the moving slide 1. The second groove 331 is provided with a second pin hole along the up-down direction, and the second pin 14 is fixedly arranged in the second pin hole. In this embodiment, the moving slide 1 can be accommodated in the second groove 331, and the moving slide 1 can move up and down along the second pin 14, so that when a deviation occurs in the up-down direction, the connecting piece 25 can directly drive the moving slide 1 to move up and down, so as to ensure that the sliding plate 32 of the linear guide rail module 3 does not move up and down.

As a further improved embodiment, a second positioning hole parallel to the second pin shaft hole is provided at the top end of the manipulator base plate 33, and a second screw 5 contacting with the movable slider 1 is provided in the second positioning hole. In this embodiment, the second screw 5 is used to restrict the up-down movement position of the moving slider 1, so as to prevent the second pin 14 from falling off.

As a specific embodiment, the driving module 6 includes a driving motor 61, a first driving wheel 62, a second driving wheel 63, and a belt 64. The driving motor 61 is fixedly arranged on the manipulator base plate 7, and an output shaft of the driving motor 61 is connected with the first driving wheel 62. The second driving wheel 63 is rotatably arranged on the second positioning plate 23 and is coaxially connected with the screw rod 21, and a belt 64 is sleeved between the first driving wheel 62 and the second driving wheel 63. In this embodiment, the driving motor 61 drives the first driving wheel 62 to rotate, and the first driving wheel 62 drives the second driving wheel 63 and the screw 21 to rotate through the belt 64.

As shown in fig. 2 and 3, if the slider is located at the center of the two pins in the illustrated position, when the screw rod pushes the driven object (the sliding plate 32 in the linear guide module 3) to move forward, the driven object moves rightward while moving upward, and the connecting piece 25 connected with the filament mother board limits the moving slider to move leftward and downward relative to the driven object. When the screw pulls the driven object to retreat, the motion state of the screw is opposite.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (10)

1. A parallelism adjusting apparatus, comprising:

The sliding block (1) is provided with a first through hole (11) which is communicated left and right and a second through hole (12) which is communicated up and down, and the first through hole (11) is not communicated with the second through hole (12);

The first pin shaft (13), the first pin shaft (13) is connected with the screw rod module (2), and the first pin shaft (13) passes through the first through hole (11) and can slide left and right along the first through hole (11);

The second pin shaft (14), the second pin shaft (14) is connected with the linear guide rail module (3), and the second pin shaft (14) passes through the second through hole (12) and can slide up and down along the second through hole (12).

2. The parallelism adjustment device according to claim 1, characterized in that the movable slider (1) is a wear-resistant slider, and the first pin (13) and the second pin (14) are bearing steel pins.

3. The utility model provides a lead screw linear guide module which characterized in that includes:

The screw rod module (2), the screw rod module (2) is connected with the driving module (6) and driven by the driving module (6);

The linear guide rail module (3), the linear guide rail module (3) is connected with the screw rod module (2) through the parallelism adjusting device in claim 1 or 2, and the linear guide rail module (3) is driven by the screw rod module (2) to linearly move along the front-back direction; when the lead screw module (2) generates left-right direction position deviation during operation, the lead screw module (2) drives the movable slide block (1) to move left and right so as to correct the deviation; when the screw rod module (2) generates vertical position deviation during operation, the screw rod module (2) drives the movable sliding block (1) to move up and down so as to correct the deviation.

4. A screw linear guide module according to claim 3, characterized in that the screw modules (2) and the bottom ends of the linear guide modules (3) are positioned on a robot base plate (7).

5. A screw linear guide module according to claim 4, characterized in that the screw module (2) comprises:

The pair of positioning plates are respectively arranged on the bottom plate (7) of the manipulator at intervals;

the two ends of the lead screw (21) are rotatably arranged on the two positioning plates, and one end of the lead screw (21) extends out of the positioning plates and is connected with the driving module (6);

A screw plate (24), wherein the screw plate (24) is in threaded fit on the screw rod (21) and linearly moves when the screw rod (21) rotates;

And one end of the connecting piece (25) is connected with the silk mother board (24), and the other end of the connecting piece (25) is connected with the movable sliding block (1).

6. The linear guide rail module of claim 5, wherein the rear side wall of the connecting piece (25) is provided with a first groove (251), and the first groove (251) is used for accommodating the movable slider (1); the first groove (251) is provided with a first pin shaft hole along the left-right direction, and the first pin shaft (13) is fixedly arranged in the first pin shaft hole.

7. The linear guide rail module of claim 6, wherein the connecting piece (25) is provided with a first positioning hole perpendicular to the first pin shaft hole, a first screw (4) contacting with the first pin shaft (13) is arranged in the first positioning hole, and the first screw (4) is used for restraining the first pin shaft (13) so as to prevent the first pin shaft (13) from falling off.

8. A screw linear guide module according to claim 5, characterized in that the linear guide module (3) comprises:

The linear guide rail (31) is fixed on the manipulator base plate (7) along the front-back direction, is parallel to the screw rod (21) and is not collinear with the screw rod (21);

-a sliding plate (32), said sliding plate (32) being slidingly fitted on said linear guide (31);

And a manipulator base plate (33), wherein the manipulator base plate (33) is connected with the sliding plate (32) and is connected with the movable sliding block (1).

9. The linear guide rail module of claim 8, wherein a second groove (331) is formed at the rear end of the manipulator base plate (33), and the second groove (331) is used for accommodating the moving slider (1); and a second pin shaft hole is formed in the second groove (331) along the up-down direction, and the second pin shaft (14) is fixedly arranged in the second pin shaft hole.

10. The linear guide rail module of claim 9, wherein a second positioning hole parallel to the second pin hole is formed at the top end of the manipulator base plate (33), a second screw (5) contacting with the moving slide block (1) is disposed in the second positioning hole, and the second screw (5) is used for restraining the up-and-down moving position of the moving slide block (1) so as to prevent the second pin shaft (14) from falling off.