CN210135213U

CN210135213U - Linear module

Info

Publication number: CN210135213U
Application number: CN201920994735.9U
Authority: CN
Inventors: 陈强; 许静琳
Original assignee: Solid Vico (chengdu) Power Technology Co Ltd
Current assignee: Solid Vico (chengdu) Power Technology Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-03-10
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a linear module, which belongs to the technical field of linear transmission devices and comprises a bottom plate, a lead screw rotatably arranged on the bottom plate, a lead screw nut matched with the lead screw, a guide rail fixed on the bottom plate and a slide block in sliding fit with the guide rail, wherein the lead screw nut is fixedly connected with a sliding table which is fixed on the slide block; the sliding table is characterized in that a cross groove is formed in a workpiece mounting surface of the sliding table, a plurality of threaded holes are formed in the bottom surface of the cross groove, a cross key is arranged in the cross groove in a matched mode, the thickness of the cross key is larger than the depth of the cross groove, and countersunk holes corresponding to the threaded holes one to one are formed in the cross key. The processing is convenient, and the location is accurate, has avoided the risk that the locating pin dropped in the past, and applicable under vacuum, high low temperature environment for work piece precision positioning and motion control.

Description

Linear module

Technical Field

The utility model belongs to the technical field of linear transmission, concretely relates to linear module.

Background

The linear module refers to a general name of a device capable of realizing linear motion in the field of automation industry, and is also called as a positioning module, and is a linear transmission device which mainly has two modes. One is composed of ball screw and linear guide track, and the other is composed of synchronous belt and synchronous belt wheel. Present linear module realizes the location between slip table and the work piece of linear module mostly through the locating pin, all need pack into the locating pin when installing the work piece on the slip table, the pinhole the inside of slip table and work piece is inserted respectively to the both ends of locating pin promptly, rethread screw is fixed, the pinhole on the work piece installation face of slip table is the through-hole, there is the risk that the locating pin dropped, fall in the screw hole of guide rail or in other power parts of equipment, can lead to the slider card dead, damage equipment even.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a linear module to solve above-mentioned problem.

For realizing the purpose of the utility model, the technical proposal adopted is that: a linear module comprises a bottom plate, a lead screw rotatably arranged on the bottom plate, a lead screw nut matched with the lead screw, a guide rail fixed on the bottom plate, and a slide block in sliding fit with the guide rail, wherein the lead screw nut is fixedly connected with a slide table which is fixed on the slide block; the sliding table is characterized in that a cross groove is formed in a workpiece mounting surface of the sliding table, a plurality of threaded holes are formed in the bottom surface of the cross groove, a cross key is arranged in the cross groove in a matched mode, the thickness of the cross key is larger than the depth of the cross groove, and countersunk holes corresponding to the threaded holes one to one are formed in the cross key.

As a further alternative, a side surface of the bottom plate is provided with a scale along the length direction of the bottom plate, and a side surface of the sliding table is provided with a pointer which correspondingly extends to the scale.

As a further alternative, the number of the threaded holes is four, and the four threaded holes are respectively arranged on four branches of the cross-shaped groove.

As a further alternative, the cross slot opens out to four sides of the ramp.

As a further alternative, a workpiece screw mounting hole and a sliding table screw mounting hole which are positioned outside the cross groove are formed in the workpiece mounting surface of the sliding table.

As a further alternative, the guide rail device further comprises a motor base and a bearing seat which are respectively fixed at two ends of the guide rail, and two ends of the lead screw are respectively and rotatably supported on the motor base and the bearing seat.

As a further alternative, a limit switch is fixed on the bottom plate, and an induction block corresponding to the limit switch is arranged on the side surface of the sliding table.

The utility model has the advantages that: adopt the cross recess structure to compare in the locating pin can not have the risk that the locating pin dropped, processing is convenient, fixes a position accurately to both can process the boss that corresponds the cross recess with the cross recess cooperation location of slip table with the work piece, also can process the recess that corresponds the cross key with the work piece, through recess and the cross key cooperation location on the slip table. The cross key and the cross groove are detachably connected through mounting screws into corresponding countersunk holes and threaded holes. The risk that the former locating pin falls is avoided, and the locating pin is suitable for precise positioning and motion control of workpieces in vacuum and high and low temperature environments.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings required for the description of the embodiments will be briefly introduced below, it should be understood that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a linear module according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another angle of the linear module according to an embodiment of the present invention;

reference numerals: 1. a base plate; 2. a lead screw; 3. a guide rail; 4. a slider; 5. a sliding table; 6. a cross groove; 7. a threaded hole; 8. a cross key; 9. a countersunk hole; 10. a scale; 11. a pointer; 12. a workpiece screw mounting hole; 13. a sliding table screw mounting hole; 14. a motor base; 15. a bearing seat; 16. a limit switch; 17. an induction block; 18. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Fig. 1 and fig. 2 show a linear module provided by the present invention, which includes a bottom plate 1, a lead screw 2 rotatably disposed on the bottom plate 1, a lead screw nut engaged with the lead screw 2, a guide rail 3 fixed on the bottom plate 1, and a slider 4 slidably engaged with the guide rail 3, wherein the lead screw nut is fixedly connected with a sliding table 5, and the sliding table 5 is fixed on the slider 4; the sliding table is characterized in that a cross groove 6 is formed in a workpiece mounting surface of the sliding table 5, a plurality of threaded holes 7 are formed in the bottom surface of the cross groove 6, a cross key 8 is arranged in the cross groove 6 in a matched mode, the thickness of the cross key 8 is larger than the depth of the cross groove 6, and countersunk holes 9 which correspond to the threaded holes 7 in a one-to-one mode are formed in the cross key 8.

The included angle of the cross groove 6 is provided with a chamfer transition section, correspondingly, the included angle of the cross key 8 is provided with a circular arc transition section, and the cross key is easy to match and install. The cross slot 6 is centrally arranged on the slide table 5. A side face of the bottom plate 1 is provided with a scale 10 along the length direction of the bottom plate 1, and a side face of the sliding table 5 is provided with a pointer 11 correspondingly extending to the scale 10, so that the current position of the sliding table 5 can be visually observed.

The number of the threaded holes 7 is four, and the threaded holes are respectively arranged on four branches of the cross groove 6. The cross groove 6 can be communicated with four side surfaces of the sliding table 5, the processing is convenient, and the positioning is reliable.

And a workpiece screw mounting hole 12 and a sliding table screw mounting hole 13 which are positioned outside the cross groove 6 are formed in the workpiece mounting surface of the sliding table 5. The workpiece screw mounting hole 12 is used for mounting and fixing a screw between the workpiece and the slide table 5. And the sliding table screw mounting hole 13 is used for mounting and fixing screws between the sliding table 5 and the sliding block 4.

This linear module still includes motor cabinet 14 and bearing frame 15, and the two is fixed in the both ends of guide rail 3 respectively, the both ends of lead screw 2 rotate respectively to be supported in motor cabinet 14 and bearing frame 15. Motor cabinet 14 and bearing frame 15 are direct fixed a position with guide rail 3, and the concentricity is better, avoids installing on bottom plate 1 and adds easy deformation, positioning accuracy and be difficult to guarantee the scheduling problem man-hour because of bottom plate 1, and guide rail 3 is the standard component, and direct positioning is fixed in guide rail 3, and the precision is higher, and the concentricity is better.

A limit switch 16 is fixed on the bottom plate 1, and an induction block 17 corresponding to the limit switch 16 is arranged on the side surface of the sliding table 5. Two limit switches 16 are provided, corresponding to the two ends of the travel of the slide table 5, respectively, to limit the travel limit thereof. The motor 18 may be a vacuum stepper motor.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. A linear module comprises a bottom plate, a lead screw rotatably arranged on the bottom plate, a lead screw nut matched with the lead screw, a guide rail fixed on the bottom plate, and a slide block in sliding fit with the guide rail, wherein the lead screw nut is fixedly connected with a slide table which is fixed on the slide block; the sliding table is characterized in that a cross groove is formed in a workpiece mounting surface of the sliding table, a plurality of threaded holes are formed in the bottom surface of the cross groove, a cross key is arranged in the cross groove in a matched mode, the thickness of the cross key is larger than the depth of the cross groove, and countersunk holes corresponding to the threaded holes one to one are formed in the cross key.

2. The linear module according to claim 1, wherein a side surface of the bottom plate is provided with a scale along a length direction of the bottom plate, and a side surface of the sliding table is provided with a pointer extending to the scale.

3. The linear module of claim 1, wherein the number of threaded holes is four, and the four threaded holes are respectively disposed on four branches of the cross slot.

4. The line module of claim 1, wherein the cross slot opens to four sides of the slip.

5. The linear module of claim 1, wherein the workpiece mounting surface of the sliding table is provided with a workpiece screw mounting hole and a sliding table screw mounting hole which are positioned outside the cross-shaped groove.

6. The linear module of claim 1, further comprising a motor base and a bearing seat respectively fixed to two ends of the guide rail, wherein two ends of the lead screw are rotatably supported on the motor base and the bearing seat respectively.

7. The linear module according to claim 1, wherein a limit switch is fixed on the bottom plate, and an induction block corresponding to the limit switch is arranged on the side surface of the sliding table.