CN218603344U - Miniature straight line module - Google Patents

Abstract

The utility model discloses a miniature straight line module, include: a base; a rail assembly disposed on the base along a length direction of the base; the sliding table is connected to the guide rail assembly and can move along with the guide rail assembly; the mover is fixed on the sliding table; a stator fixed to the base and extending in a longitudinal direction of the base, the stator being disposed opposite to the mover; the runner comprises a connecting part and a working part, wherein the connecting part is connected with the sliding table, the working part is matched with the stator, the connecting part is arranged in the width direction of the base and is inwards sunken relative to the working part to form a sunken part, and at least part of the guide rail assembly is contained in the sunken part. The utility model discloses can effectively reduce its size on the width direction under the condition of guaranteeing the module performance, reduce holistic occupation space.

Description

Miniature straight line module

Technical Field

The utility model relates to a sharp module technical field, in particular to miniature sharp module.

Background

The linear module is a motion unit for modularizing a linear motion platform, and a guide rail system and a transmission system are precisely assembled and integrated into one unit. Patent document CN204103735U discloses a novel linear motor module, which includes a base, a linear rail fixed on the base, a slider slidably connected to the linear rail, a rotor base fixed on the slider, and a rotor fixed on the rotor base. As can be seen from the drawings of the patent literature, the linear rails are located on both sides of the mover, and in order to ensure the performance of the mover, the mover has a size requirement in the width direction of the linear module, so that the size of the linear module in the width direction is difficult to reduce.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miniature sharp module is under the circumstances of guaranteeing the performance, effectively reduces the size of sharp module on the width direction.

The utility model aims at realizing through the following technical scheme: a miniature linear module comprising:

a base;

a rail assembly disposed on the base along a length direction of the base;

the sliding table is connected to the guide rail assembly and can move along with the guide rail assembly;

the mover is fixed on the sliding table;

a stator fixed to the base and extending along a length direction of the base, the stator being disposed opposite to the mover;

the rotor comprises a connecting part connected with the sliding table and a working part matched with the stator, the connecting part is inwards recessed relative to the working part in the width direction of the base to form a recessed part, and at least part of the guide rail assembly is accommodated in the recessed part.

Furthermore, the number of the guide rail assemblies is two, the guide rail assemblies are respectively arranged on two sides of the sliding table in the width direction of the base, and the number of the concave parts is two, and the two guide rail assemblies are respectively accommodated in the concave parts.

Further, the guide rail assembly includes:

the guide rail is fixedly connected with the base;

the sliding block is connected with the guide rail in a sliding mode, and the sliding table is fixedly connected with the sliding block;

wherein, the slide block is at least partially accommodated in the concave part.

Further, the slip table includes:

a first mounting portion connected to the connecting portion;

the second installation part extends out of two sides of the first installation part along the width direction of the base to form the connecting part, and the second installation part is fixedly connected with the sliding block.

Further, first installation department include with the first bottom surface that the active cell met, the second installation department include with the second bottom surface that the slider meets, first bottom surface is relative the second bottom surface protrusion, with first bottom surface with form the locating surface between the second bottom surface, the locating surface can with one of them the slider offsets, in order to fix a position the slip table is in the ascending position of base width direction.

Further, the miniature straight line module includes:

the reading head is fixed on one side of the sliding table in the width direction of the base;

a grating scale fixed on the base and arranged opposite to the reading head, the grating scale extending along the length direction of the base;

the upper limit of the sliding table in the width direction of the base is located between the two sliding blocks, the sliding table is suitable for abutting against one of the sliding blocks, and an induction gap located in an induction range is arranged between the reading head and the grid ruler.

Further, the miniature straight line module includes:

the number of the end plates is two, the end plates are respectively fixed at two ends of the base, and the tops of the end plates protrude relative to the base;

the two ends of the cover plate component are respectively connected with the two end plates;

the base is of a U-shaped structure in the cross section perpendicular to the length direction of the base, a containing cavity for containing the rotor and the stator is formed in the base, and the cover plate assembly covers the top opening side of the containing cavity.

Furthermore, the base is provided with a mounting surface for mounting the guide rail assembly, a connecting piece is fixed on the mounting surface, and the end plate is abutted against the end part of the base and is fixedly connected with the connecting piece.

Furthermore, the partial area of the end plate corresponding to the containing cavity is of a hollow structure.

Further, the cover plate assembly includes:

the two sides of the cover plate are respectively borne on the tops of the two end plates;

the two tensioning plates are respectively pressed on two sides of the cover plate, and are respectively fixedly connected with different end plates; and

and the supporting plate is fixedly connected with one end plate and/or the tensioning plate and is matched with the end plate to bear the cover plate.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a connecting portion that will not participate in electromechanical energy conversion are inwards sunken to form the depressed part that holds guide rail assembly, thereby can make more compact between guide rail assembly and active cell, and then reduce the size of sharp module on the width direction, reduce holistic occupation space, and because the active cell participated in the size of energy conversion's working portion on base width direction unchangeable, the performance of sharp module will not be influenced.

Drawings

Fig. 1 is a schematic structural view of the micro linear module of the present invention.

Fig. 2 is a schematic cross-sectional view of the micro linear module of the present invention.

Fig. 3 is a partial schematic view of the micro linear module according to the present invention.

Fig. 4 is a schematic structural diagram of the middle base of the present invention.

Fig. 5 is a schematic structural diagram of the middle mover of the present invention.

Fig. 6 is a schematic structural view of the middle sliding table of the present invention.

Fig. 7 is a schematic diagram of the middle wire of the present invention.

Description of the reference numerals:

100. a base; 110. a base plate; 120. a first side plate; 130. a second side plate; 140. a receiving cavity; 150. a mounting surface; 160. a chute; 161. a nut; 200. a mover; 210. a connecting portion; 220. a working part; 230. a recessed portion; 300. a guide rail assembly; 310. a guide rail; 320. a slider; 400. a sliding table; 410. a first mounting portion; 411. a first bottom surface; 420. a second mounting portion; 421. a second bottom surface; 431. positioning the surface; 440. a routing channel; 450. the end part of the sliding table; 460. a brim portion; 470. a wire outlet baffle; 471. a first baffle portion; 472. a second baffle portion; 500. a stator; 610. a grid ruler; 620. a read head; 630. a wire; 710. an end plate; 720. a cover plate assembly; 721. a cover plate; 722. a tension plate; 723. a support plate; 730. a connecting member; 731. a first fixed part; 732. a second fixed part; 740. an anti-collision pad; 810. a photoelectric switch; 811. a docking portion; 820. a baffle plate.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures associated with the present application are shown in the drawings, not all of them. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1 and 2, a micro linear motor according to a preferred embodiment of the present invention includes a base 100, a mover 200, a rail assembly 300, a sliding table 400, and a stator 500. The mover 200 is fixed on the slide table 400, the guide assembly 300 is disposed on the base 100 along a length direction of the base 100, the slide table 400 is coupled to the guide assembly 300 and is movable with the guide assembly 300, the stator 500 is fixed on the base 100, the stator 500 extends along the length direction of the base 100, and the mover 200 is disposed opposite to the stator 500 to form an air gap therebetween. In operation, when current is applied to the mover 200, the current interacts with the magnetic field in the air gap and generates an electromagnetic thrust, so as to drive the sliding platform 400 to move along the length direction of the base 100.

Further, as shown in fig. 5, the mover 200 includes a connecting portion 210 and a working portion 220, the connecting portion 210 is fixedly connected to the sliding table 400, the working portion 220 is engaged with the stator 500, the connecting portion 210 is recessed inward relative to the working portion 220 in the width direction of the base 100 to form a recessed portion 230, and the guide assembly 300 is at least partially received in the recessed portion 230.

The utility model discloses a connecting portion 210 that will not participate in electromechanical energy conversion is inwards sunken to form the depressed part 230 that holds guide rail assembly 300, thereby can make more compact between guide rail assembly 300 and active cell 200, and then reduce the ascending size of sharp module in the width direction, reduce holistic occupation space, and because active cell 200 participates in the ascending size of work portion 220 of energy conversion in the 100 width direction of base unchangeably, the performance of sharp module will not be influenced.

Further, referring to fig. 2 and 4, the cross section of the base 100 perpendicular to the length direction thereof is a U-shaped structure, the base 100 includes a bottom plate 110, a first side plate 120 and a second side plate 130 vertically fixed on both sides of the bottom plate 110 in the width direction, and both sides of the bottom plate 110, the first side plate 120 and the second side plate 130 in the length direction are flush or substantially flush. The base plate 110, the first side plate 120 and the second side plate 130 cooperate to define a receiving cavity 140, and the mover 200 and the stator 500 are received in the receiving cavity 140. The stator 500 is fixed on the base plate 110 by a screw coupling, the mover 200 is positioned above the stator 500, the working part 220 of the mover 200 is positioned in the receiving cavity 140, and the connecting part 210 is positioned outside the receiving cavity 140.

Preferably, the rail assembly 300 is provided on the upper end surface of the base 100 in order to facilitate the installation of the rail assembly 300. In this embodiment, the number of the guide rail assemblies 300 is two, and the guide rail assemblies are respectively arranged on two sides of the sliding table 400 in the width direction of the base 100, so as to improve the reliability of connection and movement of the sliding table 400. Specifically, two sets of track assemblies 300 are disposed on the mounting surfaces 150 at the top of the first side plate 120 and the second side plate 130, respectively. Accordingly, the number of the recesses 230 is two, and the two rail assemblies 300 are respectively accommodated therein. Indeed, in other embodiments, the rail assembly 300 may be disposed on the side of the base 100.

Further, the guide rail assembly 300 includes a guide rail 310 and a sliding block 320, the guide rail 310 is fixedly connected to the base 100, the sliding block 320 is slidably connected to the guide rail 310, and the sliding table 400 is fixedly connected to the sliding block 320, so as to drive the sliding table 400 to reliably slide along the guide rail 310. The slider 320 is at least partially received in the recess 230. Preferably, the shape of the recess 230 is adapted to the shape of the slider 320, so that the slider 320 and the recess 230 are more compact.

Further, referring to fig. 2 and 6, the sliding table 400 includes a first mounting portion 410 and a second mounting portion 420, the first mounting portion 410 is located directly above the connecting portion 210 and is fixedly connected to the connecting portion 210, the second mounting portion 420 extends out of the connecting portion 210 from two sides of the first mounting portion 410 along the width direction of the base 100, and the second mounting portion 420 is located directly above the sliding block 320 and is fixedly connected to the sliding block 320.

The first mounting portion 410 includes a first bottom surface 411 connected to the connection portion 210, and the second mounting portion 420 includes a second bottom surface 421 connected to the slider 320, and the first bottom surface 411 protrudes downward with respect to the second bottom surface 421 to form a seating surface 431 between the first bottom surface 411 and the second bottom surface 421. The positioning surfaces 431 are two in number and face different sliders 320, respectively, to limit the position of the slide table 400 in the width direction of the base 100. The positioning surface 431 can abut against one of the sliders 320 to position the sliding table 400 in the width direction of the base 100, so as to improve the installation accuracy of the sliding table 400. Preferably, in the present embodiment, the positioning surface 431 is perpendicular to the width direction of the base 100, so as to improve the reliability of the positioning surface 431 after abutting against the slider 320.

Further, referring to fig. 1, in order to obtain the moving position of the linear module in real time and thus improve the moving accuracy, the micro linear module includes a grating scale 610 and a reading head 620, and the grating scale 610 and the reading head 620 together form a feedback system of the linear module. The grid 610 is fixed on the base 100 along the length direction of the base 100, preferably on the outer side of the first side plate 120 or the second side plate 130, for convenient installation. In order to further improve the convenience of installing the grid ruler 610, the surface of the grid ruler 610 contacting the base 100 has viscosity to be directly adhered and fixed on the base 100. The reading head 620 is fixed on one side of the sliding table 400 in the width direction of the base 100, and is disposed opposite to the grating 610, and an inductive gap is formed between the reading head 620 and the grating 610.

Preferably, after the sliding table 400 abuts against one of the sliders 320, the sensing gap between the reading head 620 and the grid 610 can be driven to be within the sensing range, so that the position between the reading head 620 and the grid 610 does not need to be adjusted. In the present embodiment, the sliding table 400 specifically abuts against the slider 320 far from the reading head 620 and/or the grating 610. The grid ruler 610 may be a grating ruler or a magnetic grid ruler, and the present invention is not limited herein.

Since the reading head 620 needs to be electrically connected to an external device through the conductive wire 630, preferably, as shown in fig. 6 and 7, in order to avoid the conductive wire 630 affecting the movement of the sliding table 400, a routing channel 440 for routing the conductive wire 630 is formed on the sliding table 400, and the routing channel 440 extends from one side of the sliding table 400 to the other side in the width direction of the base 100 and is adapted to limit the position of the conductive wire 630 in the height direction and the length direction of the base 100.

Specifically, in the longitudinal direction of the base 100, the slide table 400 is formed with two slide table end portions 450, and the reading head 620 is disposed close to one of the slide table end portions 450. The slide table 400 includes an eaves portion 460 distributed along an upper edge of the slide table end portion 450, the eaves portion 460 extending outward from the slide table end portion 450 along a length direction of the base 100. An outlet baffle 470 is arranged at the end part 450 of the sliding table, and the outlet baffle 470, the end part 450 of the sliding table and the eaves part 460 are matched to form a wiring channel 440. Baffle 470 that is qualified for next round of competitions is the L type structure, and baffle 470 that is qualified for next round of competitions includes the relative first baffle part 471 that sets up with slip table tip 450 and the relative second baffle part 472 that sets up with eaves portion 460, and first baffle part 471 and slip table tip 450 can restrict the position of wire 630 on the length direction of base 100, and second baffle part 472 and eaves portion 460 can restrict the position of wire 630 on the direction of height. The outlet baffles 470 are plural in number to limit the wires 630 at plural positions in the routing direction thereof. In addition, the mover 200 can also be routed through the routing channel 440, so that the moving of the sliding table 400 is prevented from being influenced by the circuit of the mover 200.

Further, referring to fig. 1 and 3, the micro linear module includes an end plate 710 and a cover plate assembly 720 to block the side open side and the top open side of the base 100, respectively. The end plates 710 are two in number and are respectively fixed to two ends of the base 100 to block the open sides of the two sides of the base 100, so as to prevent the mover 200 from being separated from the base 100 from the open side of the base 100 during movement. A connector 730 is fixed to the mounting surface 150 of the base 100, and the end plate 710 is in contact with the end side of the base 100 and is fixedly connected to the base 100 by the connector 730. Specifically, the connecting member 730 is an L-shaped structure, and includes a first fixing portion 731 in contact with the mounting surface 150 and a second fixing portion 732 in contact with the end plate 710, the first fixing portion 731 and the mounting surface 150 are fastened by a screw connector, and the second fixing portion 732 and the end plate 710 are fastened by a screw connector. Preferably, the connecting member 730 is provided in a plurality and is respectively disposed on the mounting surfaces 150 of the first side plate 120 and the second side plate 130, so that the connection between the end plate 710 and the base 100 is more stable. Preferably, the partial region of the end plate 710 corresponding to the receiving cavity 140 is a hollow structure, so that the weight of the end plate 710 can be reduced, and the carrying is convenient.

The top of the end plate 710 protrudes relative to the base 100, and both ends of the cover plate assembly 720 are fixedly connected to the two end plates 710, respectively, to cover the top open side of the receiving cavity 140, thereby protecting the mover 200 and the stator 500. The cover plate assembly 720 includes a cover plate 721 and two tension plates 722, two sides of the cover plate 721 are respectively supported on the top of the two end plates 710, and the two tension plates 722 are respectively pressed on two sides of the cover plate 721 and fixedly connected to the different end plates 710, thereby limiting the cover plate 721 between the end plates 710 and the tension plates 722. Preferably, the cover plate assembly 720 further comprises a supporting plate 723 fixedly connected with the end plate 710 and/or the tension plate 722, and the supporting plate 723 cooperates with the end plate 710 to carry the cover plate 721, so that the bearing surface can be increased, and the cover plate 721 is effectively prevented from collapsing downwards. In this embodiment, the supporting plate 723 is one in number and is fixedly connected to one of the end plates 710 and/or the tension plate 722.

Preferably, the two end plates 710 are provided with crash pads 740 protruding towards the inner side of the receiving cavity 140, and the crash pads 740 may be made of a material with certain elasticity, such as rubber. When the sliding table 400 moves to the limit position along the rail assembly 300, it can abut against the crash pad 740, and the crash pad 740 can buffer the sliding table 400, so as to prevent the sliding table 400 from being damaged due to impact when moving to the limit position.

Further, referring to fig. 1, fig. 3 and fig. 4, the micro linear module includes a photoelectric switch assembly, the photoelectric switch assembly includes a photoelectric switch 810 and a blocking sheet 820, the photoelectric switch 810 is disposed on the outer side surface of the first side plate 120 or the second side plate 130, the blocking sheet 820 is disposed on the edge side of the sliding table 400 in the width direction of the base 100, and the blocking sheet 820 can move along with the sliding table 400 and pass through the photoelectric switch 810, so as to cooperate with the photoelectric switch 810 to form a zero point positioning system of the linear module.

Preferably, the outer side surface of the first side plate 120 or the second side plate 130 is provided with a sliding groove 160 inwards, the sliding groove 160 extends from one side of the first side plate 120 or the second side plate 130 to the other side along the length direction of the base 100, a nut 161 capable of sliding along the extending direction of the sliding groove 160 is arranged in the sliding groove 160, the photoelectric switch 810 has an abutting portion 811 matched with the nut 161, and the abutting portion 811 and the nut 161 can be fastened through a threaded connection piece. When the position of the photoelectric switch 810 in the longitudinal direction of the base 100 needs to be adjusted, the nut 161 only needs to be slid to a different position.

The above description is only an embodiment of the present application, and is not intended to limit the scope of the present application, and all equivalent structures or equivalent processes performed by the present application and the contents of the attached drawings, which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (10)

1. A miniature straight line module, its characterized in that includes:

a base (100);

a rail assembly (300) provided on the base (100) along a length direction of the base (100);

the sliding table (400) is connected to the guide rail assembly (300) and can move along with the guide rail assembly (300);

the mover (200) is fixed on the sliding table (400);

a stator (500) fixed to the base (100) and extending in a longitudinal direction of the base (100), the stator (500) being disposed to face the mover (200);

the mover (200) comprises a connecting portion (210) connected with the sliding table (400) and a working portion (220) matched with the stator (500), the connecting portion (210) is opposite to the working portion (220) in the width direction of the base (100) and is inwards sunken to form a sunken portion (230), and at least part of the guide rail assembly (300) is contained in the sunken portion (230).

2. The micro linear module according to claim 1, wherein the number of the guide rail assemblies (300) is two, and the two guide rail assemblies are respectively disposed on two sides of the sliding table (400) in the width direction of the base (100), and the number of the recesses (230) is two, and the two guide rail assemblies (300) are respectively accommodated therein.

3. The miniature linear module of claim 2, wherein said rail assembly (300) comprises:

a guide rail (310) fixedly connected with the base (100);

the sliding block (320) is connected with the guide rail (310) in a sliding mode, and the sliding table (400) is fixedly connected with the sliding block (320);

wherein the slider (320) is at least partially received within the recess (230).

4. The micro linear module according to claim 3, wherein the slide table (400) comprises:

a first mounting portion (410) that is in contact with the connecting portion (210);

the second installation part (420) extends out of two sides of the first installation part (410) along the width direction of the base (100) to form the connecting part (210), and the second installation part (420) is fixedly connected with the sliding block (320).

5. The micro linear module according to claim 4, wherein the first mounting portion (410) includes a first bottom surface (411) connected to the mover (200), the second mounting portion (420) includes a second bottom surface (421) connected to the slider (320), the first bottom surface (411) protrudes relative to the second bottom surface (421) to form a positioning surface (431) between the first bottom surface (411) and the second bottom surface (421), and the positioning surface (431) can abut against one of the sliders (320) to position the sliding table (400) in the width direction of the base (100).

6. The miniature linear module of claim 3, wherein said miniature linear module comprises:

a reading head (620) fixed on one side of the sliding table (400) in the width direction of the base (100);

a scale (610) fixed to the base (100) and disposed opposite to the reading head (620), the scale (610) extending in a longitudinal direction of the base (100);

the upper limit of the sliding table (400) in the width direction of the base (100) is located between the two sliding blocks (320), the sliding table (400) is suitable for abutting against one of the sliding blocks (320), and an induction gap located in an induction range is arranged between the reading head (620) and the grid ruler (610) in an driving mode.

7. The miniature linear module of claim 1, wherein said miniature linear module comprises:

the number of the end plates (710) is two, the two end plates are respectively fixed at two ends of the base (100), and the tops of the end plates (710) protrude relative to the base (100);

the two ends of the cover plate component (720) are respectively connected with the two end plates (710);

the base (100) is U-shaped in cross section perpendicular to the length direction of the base, a containing cavity (140) containing the rotor (200) and the stator (500) is formed, and the cover plate assembly (720) covers the top opening side of the containing cavity (140).

8. The module according to claim 7, wherein the base (100) has a mounting surface (150) for mounting the rail assembly (300), a connecting member (730) is fixed on the mounting surface (150), and the end plate (710) abuts against an end of the base (100) and is fixedly connected to the connecting member (730).

9. The micro linear module according to claim 7, wherein a portion of the end plate (710) corresponding to the receiving cavity (140) is a hollow structure.

10. The micro linear module of claim 7, wherein the cover plate assembly (720) comprises:

the two sides of the cover plate (721) are respectively born on the tops of the two end plates (710);

the number of the tension plates (722) is two, the two tension plates are respectively pressed on two sides of the cover plate (721), and the two tension plates (722) are respectively fixedly connected with different end plates (710); and

a supporting plate (723) fixedly connected with one of the end plates (710) and/or the tension plate (722) and bearing the cover plate (721) in cooperation with the end plate (710).

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