CN113007300A

CN113007300A - High-precision screw transmission module

Info

Publication number: CN113007300A
Application number: CN201911308392.7A
Authority: CN
Inventors: 许理浩; 仲学林; 张秋明
Original assignee: Smooth Machine Systems Co ltd
Current assignee: Suzhou Shangshun Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2021-06-22
Anticipated expiration: 2039-12-18
Also published as: CN113007300B

Abstract

The invention discloses a high-precision screw transmission module, which comprises a base, a sliding chute, a first fixing plate, a servo motor, a second fixing plate, a screw rod, a sliding block, a coupler and an auxiliary positioning device.

Description

High-precision screw transmission module

Technical Field

The invention relates to the related field of transmission modules, in particular to a high-precision screw transmission module.

Background

The screw rod transmission module is one kind of sharp module, and the sharp module has several kinds of names, and linear module, cartesian robot, sharp slip table etc. are the automatic upgrading unit that continues linear guide, linear motion module, ball screw linear transmission mechanism, can realize the straight line, the curvilinear motion of load through the combination of each unit, make the automation of light load more nimble, the location is more accurate.

Screw drive module rotates through servo motor usually and drives the slider and carry out the transmission, but current screw drive module is in long-term use, and screw rod and slider all have certain wearing and tearing, lead to the driven precision of slider to descend, have the deviation at driven in-process, easily with in the slider roll-off limited distance.

Disclosure of Invention

Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a high precision screw transmission module.

The invention is realized in such a way that a high-precision screw transmission module is constructed, the device comprises a base, a sliding groove, a first fixing plate, a servo motor, a second fixing plate, a screw rod, a sliding block, a coupler and an auxiliary positioning device, the sliding groove is arranged at the top of the base, the right end of the base is fixedly connected with the first fixing plate through a bolt, the bottom of the right end of the servo motor is fixedly connected with the base, the bottom of the second fixing plate is fixedly connected with the top of the left end of the base through a bolt, the left end and the right end of the screw rod are respectively matched with the second fixing plate and the first fixing plate in a rotating way, the bottom of the sliding block is connected with the base in a sliding way, the middle of the sliding block is matched with the screw rod in a rotating way, one end of the coupler is fixedly connected with an output shaft of, The rotary button comprises a pressing block, a first chute, a sliding block, a second chute, a rotating arm, a limiting block, a positive latch, a spring, a reverse latch and scale values, wherein the bottoms of the front end and the rear end of the shell are in rotary fit with a knob, the bottom of the shell is attached to the right end of the top of a base, the bottom of the right end of the pressing block is provided with the first chute, the upper left end of the sliding block is provided with the second chute, the top of the second chute is attached to the first chute, the front end and the rear end of the sliding block are respectively provided with the rotating arm, one end of the rotating arm is in rotary fit with the sliding block, the other end of the rotating arm is in rotary fit with the limiting block, the limiting block is in sliding fit with the inner side of the bottom of the shell, the outer side of the limiting block is provided with the positive latch, one end of, the scale value is arranged on the top of the base.

Preferably, the shell is in an inverted Chinese character 'shan' shape, and threaded holes are formed in the front end and the rear end of the bottom of the shell.

Preferably, the front end and the rear end of the middle part of the shell are provided with square slots, and the slots are in sliding fit with the limiting blocks.

Preferably, the spring is in a compressed state, and the elastic force of the spring is as follows: 1N, and (3).

Preferably, the left end of the pressing block is hemispherical, and the middle part of the pressing block is provided with a limiting block.

Preferably, the number of the limiting blocks is two, and the limiting blocks are symmetrically arranged in front and back along the center line of the shell.

Preferably, the scale values are arranged horizontally along the chute, and the accuracy of the chute is: 0.1 mm.

Preferably, a layer of rubber mat with the thickness of 3mm is bonded on the rear end face of the knob, and convex particles are densely distributed on the rubber mat.

Preferably, the material of the limiting block is: martensitic stainless steel.

Preferably, the shell is made of the following materials: tungsten steel.

The invention has the following advantages: the invention provides a high-precision screw transmission module through improvement, which has the following improvement compared with the same type of equipment:

the method has the advantages that: according to the high-precision screw transmission module, the auxiliary positioning device is arranged on the top of the base, the shell is slid to the set position through the scale value arranged on the top of the base, the shell is preliminarily fixed through the rotary knob, when the sliding block slides to the right end, the sliding block is attached to the left side of the shell, the pressing block is squeezed into the shell to enable the sliding block to slide downwards, the limiting block is squeezed out of the shell through the rotary arm, the positive clamping teeth and the negative clamping teeth are attached to fix the position of the shell, the stable fixed shell position is achieved, and the sliding distance of the sliding block is limited.

The method has the advantages that: according to the high-precision screw transmission module, the spring is arranged in the shell, when the sliding block is separated from the shell, the spring restores to provide elasticity, the sliding block is jacked upwards, the pressing block is jacked out of the shell, and the limiting block is retracted into the shell, so that the effect of convenient restoration is achieved.

The method has the advantages that: according to the high-precision screw transmission module, the scale value is arranged at the top of the base, so that the position of the shell can be accurately adjusted through the scale value, and the sliding distance of the sliding block is limited.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 3 is a schematic view of an auxiliary positioning device according to the present invention;

FIG. 4 is a schematic cross-sectional view of an auxiliary positioning device according to the present invention;

FIG. 5 is a schematic left-side sectional view of the present invention.

Wherein: the device comprises a base-1, a chute-2, a first fixing plate-3, a servo motor-4, a second fixing plate-5, a screw rod-6, a sliding block-7, a coupler-8, an auxiliary positioning device-9, a shell-91, a knob-92, a pressing block-93, a first inclined groove-94, a sliding block-95, a second inclined groove-96, a rotating arm-97, a limiting block-98, a positive latch-99, a spring-910, a reverse latch-911 and a scale value-912.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a high-precision screw transmission module through improvement, which comprises a base 1, a chute 2, a first fixed plate 3, a servo motor 4, a second fixed plate 5, a screw rod 6, a slide block 7, a coupler 8 and an auxiliary positioning device 9, wherein the chute 2 is arranged at the top of the base 1, the right end of the base 1 is fixedly connected with the first fixed plate 3 through a bolt, the bottom of the right end of the servo motor 4 is fixedly connected with the base 1, the bottom of the second fixed plate 5 is fixedly connected with the top of the left end of the base 1 through a bolt, the left end and the right end of the screw rod 6 are respectively in rotating fit with the second fixed plate 5 and the first fixed plate 3, the bottom of the slide block 7 is in sliding fit with the base 1, the middle of the slide block 7 is in rotating fit with the screw rod 6, one end of the coupler 8 is fixedly connected with an output shaft of the servo motor 4, the other end of the, The rotary knob 92, the pressing block 93, the first chute 94, the sliding block 95, the second chute 96, the rotating arm 97, the limiting block 98, the positive latch 99, the spring 910, the reverse latch 911 and the scale 912, wherein the bottoms of the front and rear ends of the shell 91 are in running fit with the rotary knob 92 to facilitate the rotation and fixation, the bottom of the shell 91 is attached to the right end of the top of the base 1, the bottom of the right end of the pressing block 93 is provided with the first chute 94, the upper left end of the sliding block 95 is provided with the second chute 96, the top of the second chute 96 is attached to the first chute 94 to facilitate the extrusion and transmission, the front and rear ends of the sliding block 95 are provided with the rotating arm 97, one end of the rotating arm 97 is in running fit with the sliding block 95, the other end is in running fit with the limiting block 98, the limiting block 98 is in sliding fit with the inner side of the bottom, the other end is laminated in slider 95 bottom, and contrary latch 911 sets up both ends inner wall around spout 2 to contrary latch 911 surface and positive latch 99 are laminated each other, and scale factor 912 sets up in base 1 top.

Further, casing 91 is the font of falling the chevron to both ends are provided with the screw hole around casing 91 bottom, conveniently rotate the locking with knob 92, carry out preliminary fixed.

Furthermore, square slots are formed in the front end and the rear end of the middle of the shell 91, and the slots are in sliding fit with the limiting block 98, so that the limiting block 98 can slide along the slots conveniently.

Further, the spring 910 is in a compressed state, and the elastic force of the spring 910 is: 1N, to facilitate the provision of elastic force to jack the slider 95 upward.

Furthermore, the left end of the pressing block 93 is hemispherical, and a limiting block is arranged in the middle of the pressing block 93, so that the pressing block 93 can be conveniently fixed.

Further, the two limit blocks 98 are arranged, and the limit blocks 98 are symmetrically arranged in the front-back direction along the center line of the shell 91, so that the limit blocks 98 can be attached to the reverse latch 911 conveniently when being ejected out.

Further, the scale values 912 are distributed horizontally along the chute 2, and the accuracy of the chute 2 is: 0.1mm, convenient accurate regulation position.

Furthermore, a layer of rubber mat with the thickness of 3mm is bonded on the rear end face of the knob 92, and convex particles are densely distributed on the rubber mat, so that the friction force can be increased, and the base 1 is prevented from being abraded.

Further, the material of the limiting block 98 is: the martensitic stainless steel forging has ultrahigh strength and hardness, chemical corrosion resistance, electrochemical corrosion resistance, heat resistance and high temperature resistance.

Further, the material of the housing 91 is: the tungsten steel has high hardness, good wear resistance, good toughness, heat resistance, corrosion resistance and other excellent performances.

The invention provides a high-precision screw transmission module through improvement, which has the following working principle:

firstly, the device is moved to a proper position, and the servo motor 4 is electrically connected with an external controller;

secondly, the shell 91 is pressed to slide to a proper position along the base 1, the sliding scale value 912 which is arranged away from the top of the base 1 is checked, then the rotary knobs 92 which are arranged at the front end and the rear end of the shell 91 are rotated to preliminarily fix the shell 91, then the servo motor 4 is started through an external controller, the servo motor 4 is electrified to work, the coupler 8 is driven to rotate through the rotation of the output shaft, the lead screw 6 is driven to rotate along the first fixing plate 3 and the second fixing plate 5, and the slide block 7 is driven to slide to the right end along the lead screw 6 and the chute 2;

thirdly, when the slider 7 is attached to the left side of the casing 91 in a sliding manner at the right end, the pressing block 93 is squeezed into the casing 91, the pressing block 93 is made to slide at the right end, the first chute 94 is made to slide along the second chute 96, the slider 95 is pushed to slide downwards, the spring 910 is squeezed, the rotating arm 97 is driven to move downwards at the same time, the limiting block 98 is pushed out of the casing 91, the positive latch 99 on the limiting block 98 is made to be attached to the negative latch 911 in the chute 2, the position of the casing 91 is fixed, and the sliding distance of the slider 7 is limited through the casing 91;

fourthly, when the slider 7 slides to the left end, the spring 910 is restored to provide elastic force, upward elastic force is applied to the slider 95, the slider 95 is jacked up upwards along the shell 91, the press block 93 is jacked out of the shell 91, and meanwhile, the rotating arm 97 is driven to move upwards in the process that the slider 95 slides upwards, and the limit block 98 is retracted into the shell 91.

The invention provides a high-precision screw transmission module through improvement, an auxiliary positioning device 9 is arranged on the top of a base 1, a shell 91 is slid to a set position through a scale value 912 arranged on the top of the base 1, preliminary fixing is carried out through a rotary knob 92, when a slide block 7 slides towards the right end, the left side of the shell 91 is attached, a press block 93 is squeezed into the shell 91, a slide block 95 is made to slide downwards, a limit block 98 is squeezed out of the shell 91 through a rotary arm 97, a positive latch 99 is attached to a reverse latch 911 to fix the position of the shell 91, the position of the stable fixed shell 91 is reached, the sliding distance of the slide block 95 is limited, through arranging a spring 910 in the shell 9, when the slide block 7 is separated from the shell 91, the spring 910 is restored to provide elastic force, the slide block 95 is jacked upwards, the press block 93 is jacked out of the shell 91, the limit block 98 is retracted into the shell, reach the effect that conveniently recovers, through set up scale value 912 at base 1 top, the position of regulation casing 91 that accessible scale value 912 carries out the accuracy is injectd the gliding distance of slider 7.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and the standard parts used in the present invention are all commercially available, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part is the conventional means of bolt and rivet, welding, etc. mature in the prior art, the machinery, parts and equipment are the conventional type, and the circuit connection is the conventional connection mode in the prior art, and the detailed description is omitted here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A high-precision screw transmission module comprises a base (1), a sliding groove (2), a first fixing plate (3), a servo motor (4), a second fixing plate (5), a screw rod (6), a sliding block (7) and a coupler (8), wherein the sliding groove (2) is formed in the top of the base (1), the right end of the base (1) is fixedly connected with the first fixing plate (3) through a bolt, the bottom of the right end of the servo motor (4) is fixedly connected with the base (1), the bottom of the second fixing plate (5) is fixed with the top of the left end of the base (1) through a bolt, the left end and the right end of the screw rod (6) are respectively in rotating fit with the second fixing plate (5) and the first fixing plate (3), the bottom of the sliding block (7) is in sliding connection with the base (1), the middle of the sliding block (7) is in rotating fit with the screw rod (6), one end of the coupler (8) is fixedly connected with, the other end is fixedly connected with the left side of the screw rod (6);

the method is characterized in that: the auxiliary positioning device (9) is arranged at the top of the base (1), the auxiliary positioning device (9) is composed of a shell (91), a knob (92), a pressing block (93), a first inclined groove (94), a sliding block (95), a second inclined groove (96), a rotating arm (97), a limiting block (98), a positive latch (99), a spring (910), a reverse latch (911) and a scale value (912), the bottoms of the front and rear ends of the shell (91) are in rotating fit with the knob (92), the bottom of the shell (91) is attached to the right end of the top of the base (1), the first inclined groove (94) is arranged at the bottom of the right end of the pressing block (93), the second inclined groove (96) is arranged at the upper left end of the sliding block (95), the top of the second inclined groove (96) is attached to the first inclined groove (94), the rotating arm (97) is arranged at the front and rear ends of the sliding block (95), and rotor arm (97) one end and slider (95) normal running fit, the other end and stopper (98) normal running fit, stopper (98) and casing (91) bottom inboard sliding fit to stopper (98) outside is provided with positive latch (99), spring (910) one end and casing (91) bottom inboard welded fastening, the other end laminate in slider (95) bottom, contrary latch (911) set up both ends inner wall around spout (2) to contrary latch (911) surface and positive latch (99) laminate each other, scale interval (912) set up in base (1) top.

2. A high precision screw drive module according to claim 1, wherein: threaded holes are formed in the front end and the rear end of the bottom of the shell (91).

3. A high precision screw drive module according to claim 1, wherein: the front end and the rear end of the middle part of the shell (91) are provided with square grooves, and the grooves are in sliding fit with the limiting blocks (98).

4. A high precision screw drive module according to claim 1, wherein: the spring (910) is in a compressed state, and the elastic force of the spring (910) is as follows: 1N, and (3).

5. A high precision screw drive module according to claim 1, wherein: the left end of the pressing block (93) is hemispherical, and the middle part of the pressing block (93) is provided with a limiting block.

6. A high precision screw drive module according to claim 1, wherein: the two limiting blocks (98) are arranged, and the limiting blocks (98) are arranged symmetrically front and back along the center line of the shell (91).

7. A high precision screw drive module according to claim 1, wherein: the scale values (912) are arranged horizontally along the chute (2) and the accuracy of the chute (2) is: 0.1 mm.

8. A high precision screw drive module according to claim 1, wherein: a layer of rubber mat with the thickness of 3mm is bonded on the rear end face of the knob (92), and convex particles are densely distributed on the rubber mat.