CN220320236U

CN220320236U - Linear module

Info

Publication number: CN220320236U
Application number: CN202321839771.0U
Authority: CN
Inventors: 张雪; 高高
Original assignee: Wenling Guitai Machinery Co ltd
Current assignee: Wenling Guitai Machinery Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-01-09
Anticipated expiration: 2033-07-13

Abstract

The utility model provides a linear module, and belongs to the technical field of machinery. It has solved the wider problem of current module. The linear module comprises a strip-shaped base, a screw rod horizontally arranged on the base in a rotating mode and a motor for driving the screw rod to rotate, wherein the length extension directions of the screw rod and the base are consistent, a nut is arranged on the screw rod, a moving plate is horizontally arranged above the base, a linear guide rail is horizontally fixed at the top of the base, and the linear guide rail and the screw rod are arranged in parallel up and down; the movable plate is arranged on the linear guide rail through the guide block, a connecting plate is vertically formed on the lower side of the movable plate, the connecting plate is arranged on one side of the length of the base and is opposite to the nut, and the connecting plate is fixedly connected with the nut through a connecting piece. The linear module has small width.

Description

Linear module

Technical Field

The utility model belongs to the technical field of machinery, and relates to a module, in particular to a linear module.

Background

The linear module is also called a linear module, a rectangular coordinate robot, a linear sliding table and the like, and is an automatic upgrading unit for a linear guide rail, a linear motion module and a ball screw linear transmission mechanism.

The conventional linear module is a linear module (application number: 201810233462.6) for high and low temperature environments, and comprises a high-section guide rail, a nut seat, a ball screw and a high and low temperature motor, wherein the nut seat is positioned on the high-section guide rail, the ball screw is arranged on the nut seat in a penetrating manner and is connected with the high and low temperature motor, the high and low temperature motor drives the ball screw to rotate in the working process, and the ball screw drives the nut seat to move on the high-section guide rail when rotating; the bottom of the nut seat is provided with a sliding block assembly, the bottom of the sliding block assembly is connected with the high-section guide rail, and the nut seat slides on the high-section guide rail through the sliding block assembly.

In the above-mentioned module, the slider subassembly has two sets of, and ball and two slider subassembly three sets of radial distribution along ball, leads to the whole certain width that exists of module, can't adapt to the narrower operating mode of width and use.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a linear module with small width.

The aim of the utility model can be achieved by the following technical scheme: the linear module comprises a strip-shaped base, a screw rod horizontally arranged on the base in a rotating mode and a motor for driving the screw rod to rotate, wherein the length extension directions of the screw rod and the base are consistent, a nut is arranged on the screw rod, and a moving plate is horizontally arranged above the base; the movable plate is arranged on the linear guide rail through the guide block, a connecting plate is vertically formed on the lower side of the movable plate, the connecting plate is arranged on one side of the length of the base and is opposite to the nut, and the connecting plate is fixedly connected with the nut through a connecting piece.

Linear guide and lead screw set up side by side from top to bottom, and the movable plate utilizes the connecting plate of vertical setting in base length one side to link firmly with the nut, like this in actual design, through reducing base and connecting plate thickness alright greatly reduced linear module main part width to be applicable to narrow and small space.

In the linear module, the base is provided with a mounting hole penetrating the base along the length direction of the base, one side of the mounting hole is provided with a strip-shaped opening, the opening length extends along the axial direction of the mounting hole, the connecting piece is rod-shaped, the connecting piece penetrates the opening, and two ends of the connecting piece are fixedly connected with the connecting plate and the nut respectively. The mounting hole for containing the screw rod is arranged in the base, so that the width and the height of the module can be reduced simultaneously, and the occupied space of the module is further reduced.

In the linear module, the connecting plate is close to the base, and the connecting plate and the base are not contacted, so that the distance between the connecting plate and the base is reduced, and the width of the module is further reduced.

In the linear module, the first threaded hole penetrating the base in the width direction is formed in the connecting plate, the second threaded hole is correspondingly formed in the nut, the connecting piece is a bolt screwed into the first threaded hole, the bolt rod portion penetrates through the threaded hole and is screwed into the second threaded hole, and the head of the bolt is tightly pressed on the connecting plate. By adopting the design, the connecting plate is convenient to be connected with the nut.

Naturally, the connecting piece can also be a screw rod, and two ends of the screw rod are respectively in the first threaded hole and the second threaded hole in a threaded manner.

In the linear module, the connecting plate is composed of a positioning plate and a plate-shaped supporting part integrally formed at the lower side of the moving plate, the supporting part and the positioning plate are fixedly connected and are arranged in parallel up and down, the positioning plate is fixedly connected with the nut through the connecting piece, a notch groove is formed in the bottom of the supporting part in a penetrating mode along the width direction of the base, a protruding block matched with the notch groove is vertically formed at the top of the positioning plate, and the protruding block is inserted into the notch groove. The lug and the notch groove are matched, so that the positioning plate is conveniently installed and guided, the positioning plate is conveniently connected with the movable plate, the lug can slide up and down in the notch groove to adjust the position of the positioning plate, the positioning plate is conveniently connected with the nut, and therefore module assembly is effectively facilitated.

In the linear module, the third threaded hole vertically penetrates through the supporting portion, the fourth threaded hole is correspondingly formed in the protruding block, and the third threaded hole and the fourth threaded hole are internally connected with the same screw in a threaded mode. The screw, the threaded hole III and the threaded hole IV are matched, so that the positioning plate can be locked at a moving position, the relative position deviation of the nut and the positioning plate is better adapted, and the assembly is further convenient.

In the linear module, two ends of the screw rod are respectively provided with a cylinder coaxial with the screw rod, the two cylinders are respectively extended out of the mounting holes, the mounting holes are respectively provided with bearings at two orifice positions, and the outer ring and the inner ring of the bearings are respectively fixedly connected with the base and the corresponding cylinders. By adopting the design, the device has the advantages of stable work and convenient assembly.

In the linear module, the first threaded holes are formed in two and extend along the length direction of the base, the second threaded holes and the first threaded holes are identical in number and uniform in position, and the second threaded holes and the first threaded holes correspond to the first threaded holes in a uniform mode, so that the connection strength of the nuts and the connecting plates is enhanced, and the working stability of the module is improved.

In the linear module, the two ends of the base are fixed with the shields, and the two cylinders respectively extend into the two shields; the motor is vertical setting and fixes on one of them guard shield, and the vertical rotation is provided with the connecting axle in this guard shield that is connected with the motor, is connected through bevel gear pair between connecting axle lower extreme and the corresponding cylinder, and the connecting axle upper end stretches out corresponding guard shield and is connected with the motor main shaft. The motor is arranged above the shield, so that the overall length of the module can be reduced, and the working condition with narrower adapting length can be better adapted.

In the linear module, a cylindrical stand is vertically arranged between the motor and the shield, two ends of the stand are respectively fixedly connected with the motor and the shield, and the upper end of the connecting shaft extends into the stand and is connected with the motor spindle through the coupler. By adopting the design, the device has the advantages of simple structure and convenient assembly.

Compared with the prior art, the linear module has the following advantages:

1. linear guide and lead screw set up side by side from top to bottom, and the movable plate utilizes the connecting plate of vertical setting in base length one side to link firmly with the nut, like this in actual design, through reducing base and connecting plate thickness alright greatly reduced linear module main part width to be applicable to narrow and small space.

2. The mounting hole for containing the screw rod is arranged in the base, so that the width and the height of the module can be reduced simultaneously, and the occupied space of the module is further reduced.

3. The lug and the notch groove are matched, so that the positioning plate is conveniently installed and guided, the positioning plate is conveniently connected with the movable plate, the lug can slide up and down in the notch groove to adjust the position of the positioning plate, the positioning plate is conveniently connected with the nut, and therefore module assembly is effectively facilitated.

Drawings

Fig. 1 is a schematic perspective view of the linear module.

Fig. 2 is a schematic perspective view of the linear module in another direction.

Fig. 3 is a schematic cross-sectional view of the present linear module.

Fig. 4 is a schematic cross-sectional view of the present linear module in the other direction.

In the figure, 1, a base; 1a, mounting holes; 1b, opening; 2. a screw rod; 2a, a cylinder; 3. a motor; 4. a nut; 5. a moving plate; 5a, connecting plates; 5a1, a support portion; 5a1a, notch groove; 5a2, a positioning plate; 5a2a, bumps; 5b, a screw; 6. a linear guide rail; 7. a guide block; 8. a connecting piece; 9. a shield; 10. a connecting shaft; 11. a base; 12. a coupling.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 and 3, the present linear module includes a base 1 in the shape of an elongated bar, a screw 2 horizontally rotatably provided on the base 1, and a motor 3 for driving the screw 2 to rotate.

Wherein,

the length extension directions of the screw rod 2 and the base 1 are consistent, both ends of the screw rod 2 are rotatably supported on the base 1, and a nut 4 is arranged on the screw rod 2.

As shown in fig. 2 and 3, a moving plate 5 is horizontally arranged above the base 1, a linear guide rail 6 is horizontally fixed at the top of the base 1, and the linear guide rail 6 and the screw rod 2 are axially parallel and are arranged in parallel up and down. The movable plate 5 is arranged on the linear guide rail 6 through the guide block 7, a connecting plate 5a is vertically formed on the lower side of the movable plate 5, the connecting plate 5a is arranged on one side of the length of the base 1 and opposite to the nut 4, and the connecting plate 5a is fixedly connected with the nut 4 through a connecting piece 8. The linear guide 6 and the screw rod 2 are arranged up and down in parallel, and the movable plate 5 is fixedly connected with the nut 4 by utilizing a connecting plate 5a vertically arranged on one side of the length of the base 1, so that the width of the main body of the linear module can be greatly reduced by reducing the thickness of the base 1 and the connecting plate 5a in practical design, and the linear module is suitable for a narrow space.

Further, the base 1 is provided with a mounting hole 1a penetrating along the longitudinal direction of the base 1, one side of the mounting hole 1a is provided with an elongated opening 1b, and the length of the opening 1b extends along the axial direction of the mounting hole 1 a. In the actual product, both ends of the opening 1b are opened. The connecting piece 8 is rod-shaped and horizontally arranged. The connecting piece 8 is arranged in the opening 1b in a penetrating way, and two ends of the connecting piece 8 are respectively fixedly connected with the connecting plate 5a and the nut 4. The mounting hole 1a for containing the screw rod 2 is arranged in the base 1, so that the width and the height of the module can be reduced at the same time, and the occupied space of the module can be further reduced.

It is preferable that the connection plate 5a is disposed close to the base 1, and that both the connection plate 5a and the base 1 are not in contact, so as to reduce the distance between the connection plate 5a and the base 1, thereby further reducing the width of the module.

In the present embodiment of the present utility model, in the present embodiment,

as shown in fig. 2 and 4, the connection plate 5a and the nut 4 are connected as follows: the connecting plate 5a is provided with a first threaded hole penetrating along the width direction of the base 1, the nut 4 is correspondingly provided with a second threaded hole, the connecting piece 8 is a bolt screwed in the first threaded hole, the bolt rod part penetrates through the threaded hole and is screwed in the second threaded hole, and the head of the bolt is tightly pressed on the connecting plate 5 a. By adopting the design, the connecting plate 5a is convenient to be connected with the nut 4. Preferably, the first threaded holes are two and extend along the length direction of the base 1, the number of the second threaded holes and the number of the bolts are the same as those of the first threaded holes, and the positions of the second threaded holes and the bolts are uniform and correspond to each other, so that the connection strength of the nut 4 and the connecting plate 5a is enhanced, and the working stability of the module is improved.

Naturally, the connecting piece 8 may also be a screw, and two ends of the screw are respectively screwed into the first threaded hole and the second threaded hole.

As shown in fig. 2, the connection plate 5a has the following structure: consists of a positioning plate 5a2 and a plate-shaped supporting part 5a1 integrally formed at the lower side of the moving plate 5, and the positioning plate 5a2 and the supporting part 5a1 are vertically arranged. The supporting part 5a1 and the positioning plate 5a2 are fixedly connected and are arranged in parallel up and down. Wherein, the positioning plate 5a2 is fixedly connected with the nut 4 through the connecting piece 8; the bottom of the supporting part 5a1 is provided with a notch groove 5a1a in a penetrating manner along the width direction of the base 1, the top of the positioning plate 5a2 is vertically provided with a convex block 5a2a matched with the notch groove 5a1a, and the convex block 5a2a is inserted into the notch groove 5a1 a. The lug 5a2a is matched with the notch 5a1a, so that the positioning plate 5a2 is installed and guided, the positioning plate 5a2 is conveniently connected with the moving plate 5, and the lug 5a2a can slide up and down in the notch 5a1a to adjust the position of the positioning plate 5a2, so that the positioning plate 5a2 is conveniently connected with the nut 4, and the module assembly is effectively facilitated. Preferably, the notched groove 5a1a has an inverted U shape.

Further, the supporting portion 5a1 vertically penetrates through a third threaded hole, a fourth threaded hole is correspondingly formed in the protruding block 5a2a, and the third threaded hole and the fourth threaded hole are internally screwed with the same screw 5b. The screw 5b, the threaded hole III and the threaded hole IV are matched, so that the positioning plate 5a2 is locked at the moving position, the relative position deviation of the nut 4 and the positioning plate 5a2 is better adapted, and the assembly is further convenient.

The lead screw 2 is positioned as follows: the two ends of the screw rod 2 are both formed with cylinders 2a coaxial with the screw rod 2, the two cylinders 2a extend out of the mounting holes 1a, the mounting holes 1a are both provided with bearings at two orifice positions, the type of the bearings is ball bearings, the bearings comprise an inner ring and an outer ring, and the outer ring and the inner ring of the bearings are respectively fixedly connected with the base 1 and the corresponding cylinder 2 a. In an actual product, the inner ring and the outer ring are respectively fixedly connected with the screw rod 2 and the base 1 in an interference fit mode.

The motor 3 is connected with the screw rod 2 as follows: as shown in fig. 3, the two ends of the base 1 are fixed with shields 9, and two cylinders 2a respectively extend into the two shields 9. In actual products, the shield 9 is welded and fixedly connected with the base 1. As shown in fig. 1, the motor 3 is vertically arranged and fixed on one of the shields 9, a connecting shaft 10 is vertically rotatably arranged in the shield 9 connected with the motor 3, the lower end of the connecting shaft 10 is connected with the corresponding cylinder 2a through a bevel gear pair, namely, at the moment, a driven bevel gear is fixed on the connecting shaft 10, and a driving bevel gear meshed with the driven bevel gear is fixed on the cylinder 2 a. The upper end of the connecting shaft 10 extends out of the corresponding shield 9 and is connected with the main shaft of the motor 3. The motor 3 is arranged above the shield 9, so that the overall length of the module can be reduced, and the working condition with narrower adapting length can be better adapted.

Further, a cylindrical stand 11 is vertically arranged between the motor 3 and the shield 9, and two ends of the stand 11 are respectively fixedly connected with the motor 3 and the shield 9. The upper end of the connecting shaft 10 extends into the machine base 11 and is connected with the main shaft of the motor 3 through the coupling 12. By adopting the design, the device has the advantages of simple structure and convenient assembly. In actual products, the motor 3 and the shield 9 are fixedly connected by adopting flanges; the connecting shaft 10 is rotatably supported on the corresponding shield 9 by means of bearings.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The linear module comprises a strip-shaped base (1), a screw rod (2) horizontally arranged on the base (1) in a rotating mode and a motor (3) for driving the screw rod (2) to rotate, wherein the length extension directions of the screw rod (2) and the base (1) are consistent, a nut (4) is arranged on the screw rod (2), a moving plate (5) is horizontally arranged above the base (1), and the linear module is characterized in that a linear guide rail (6) is horizontally fixed at the top of the base (1), and the linear guide rail (6) and the screw rod (2) are arranged in parallel up and down; the movable plate (5) is arranged on the linear guide rail (6) through the guide block (7), a connecting plate (5 a) is vertically formed on the lower side of the movable plate (5), the connecting plate (5 a) is arranged on one side of the length of the base (1) and opposite to the nut (4), and the connecting plate (5 a) is fixedly connected with the nut (4) through the connecting piece (8).

2. The linear module according to claim 1, wherein the base (1) is provided with a mounting hole (1 a) penetrating along the length direction of the base (1), one side of the mounting hole (1 a) is provided with an elongated opening (1 b), the length of the opening (1 b) extends along the axial direction of the mounting hole (1 a), the connecting piece (8) is rod-shaped, the connecting piece (8) is penetrated in the opening (1 b), and two ends of the connecting piece (8) are fixedly connected with the connecting plate (5 a) and the nut (4) respectively.

3. Linear module according to claim 1 or 2, characterized in that the connection plate (5 a) is arranged close to the base (1) and that both the connection plate (5 a) and the base (1) are not in contact.

4. The linear module according to claim 2, characterized in that the connecting plate (5 a) is provided with a first threaded hole penetrating along the width direction of the base (1), the nut (4) is correspondingly provided with a second threaded hole, the connecting piece (8) is a bolt screwed in the first threaded hole, the bolt rod part penetrates through the threaded hole and is screwed in the second threaded hole, and the head of the bolt is tightly pressed on the connecting plate (5 a).

5. The linear module according to claim 4, wherein the connecting plate (5 a) is composed of a positioning plate (5 a 2) and a plate-shaped supporting part (5 a 1) integrally formed at the lower side of the moving plate (5), the supporting part (5 a 1) and the positioning plate (5 a 2) are fixedly connected and are arranged in parallel up and down, the positioning plate (5 a 2) is fixedly connected with the nut (4) through the connecting piece (8), a notch groove (5 a1 a) is formed at the bottom of the supporting part (5 a 1) in a penetrating manner along the width direction of the base (1), a convex block (5 a2 a) matched with the notch groove (5 a1 a) is vertically formed at the top of the positioning plate (5 a 2), and the convex block (5 a2 a) is spliced in the notch groove (5 a1 a).

6. The linear module according to claim 5, wherein the third threaded hole is vertically penetrated through the supporting portion (5 a 1), the fourth threaded hole is correspondingly formed in the protruding block (5 a2 a), and the same screw (5 b) is screwed into the third threaded hole and the fourth threaded hole.

7. The linear module according to claim 2, characterized in that both ends of the screw rod (2) are formed with cylinders (2 a) coaxial with the screw rod (2), and the two cylinders (2 a) extend out of the mounting holes (1 a), the mounting holes (1 a) are provided with bearings at both hole positions, and the outer ring and the inner ring of the bearings are respectively fixedly connected with the base (1) and the corresponding cylinders (2 a).

8. The linear module according to claim 6, wherein the first threaded holes are two and extend along the length direction of the base (1), and the second threaded holes and the bolts are the same in number as the first threaded holes and are uniformly located and correspond to one another.

9. The linear module according to claim 7, wherein the base (1) is fixed with shields (9) at both ends, and two cylinders (2 a) extend into the shields (9), respectively; the motor (3) is vertically arranged and fixed on one of the shields (9), a connecting shaft (10) is vertically arranged in the shield (9) connected with the motor (3) in a rotating mode, the lower end of the connecting shaft (10) is connected with the corresponding cylinder (2 a) through a bevel gear pair, and the upper end of the connecting shaft (10) extends out of the corresponding shield (9) and is connected with a main shaft of the motor (3).

10. The linear module according to claim 9, characterized in that a cylindrical stand (11) is vertically arranged between the motor (3) and the shield (9), two ends of the stand (11) are respectively fixedly connected with the motor (3) and the shield (9), and the upper end of the connecting shaft (10) extends into the stand (11) and is connected with the main shaft of the motor (3) through a coupler (12).