CN211791094U

CN211791094U - Anti-rotation guide structure of electric cylinder

Info

Publication number: CN211791094U
Application number: CN202020554314.7U
Authority: CN
Inventors: 孙郑; 孙文军; 陈晓莉; 孙悦香; 刘展
Original assignee: Shenzhen Dayong Electric Cylinder Technology Co ltd
Current assignee: Shenzhen Dayong Electric Cylinder Technology Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-10-27
Anticipated expiration: 2030-04-15

Abstract

The utility model is suitable for the technical field of electric cylinder guiding equipment, and provides an anti-rotation guiding structure of an electric cylinder, which comprises a section bar mechanism and a sliding mechanism, wherein the section bar mechanism comprises a sleeve, the middle part of the sleeve is provided with a circular sliding hole, the inner wall of the sliding hole is provided with four guiding grooves, the sliding mechanism comprises a slider and a guiding block, the slider is positioned at the inner side of the slider, the guiding block is provided with four guiding grooves which respectively correspond to the four guiding grooves, through arranging the slider connected with the electric cylinder, the outer wall of the slider is provided with four guiding blocks which are integrated with the slider, the outer side of the slider is sleeved with the sleeve for the slider to slide, the inner wall of the sleeve is provided with four guiding grooves for accommodating the four guiding blocks, the guiding blocks are embedded into the guiding grooves and are connected with the guiding grooves in a sliding way, so that the guiding blocks and the, and four guide blocks and four guide ways you can make the slider slip more stable, use safelyr.

Description

Anti-rotation guide structure of electric cylinder

Technical Field

The utility model belongs to the technical field of electric jar guiding device, especially, relate to an electronic jar prevent changeing guide structure.

Background

The electric cylinder is an electric driving device which converts the rotary motion of a motor into the linear reciprocating motion of a push rod and mainly comprises four parts, namely a driving mechanism, a speed reducer, a linear transmission mechanism and an auxiliary mechanism. The common type of linear drive has trapezoidal lead screw, ball screw, roller lead screw and sliding guide, the utility model relates to a ball screw type. The linear transmission mechanism mainly comprises a sliding block, a ball screw and a section bar, wherein the sliding block is arranged on a nut of the ball screw and is arranged inside the section bar, the sliding block is connected with a push rod of the electric cylinder, and the nut of the ball screw drives the sliding block to slide up and down under the action of external force so as to drive the push rod of the electric cylinder to stretch.

Among the current slider structure, generally two nylon blocks of side-mounting at the slider are as the guide block, the position that the section bar corresponds is opened has two guide slots, the nylon block up-and-down motion in the guide slot, to the motion direction of slider, nonmetal guide block can only be in low helical pitch lead screw, use under the condition of little thrust, nonmetal guide block is worn and torn easily under the condition of big helical pitch lead screw and big thrust, at slider lift in-process, the slider can rotate, this kind of design can not effectively prevent changeing.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electronic jar prevent changeing guide structure aims at solving the problem that nonmetal guide block abraded easily under the condition of big helical pitch lead screw and big thrust.

The utility model is realized in such a way that the anti-rotation guide structure of the electric cylinder comprises a section bar mechanism and a sliding mechanism;

the profile mechanism comprises a sleeve, a circular sliding hole is formed in the middle of the sleeve, and four guide grooves are formed in the inner wall of the sliding hole;

the sliding mechanism comprises a sliding block and guide blocks, the sliding block is located on the inner side of the sliding hole, the guide blocks are provided with four guide grooves corresponding to the four guide grooves respectively, the guide blocks are fixed on the outer wall of the sliding block and are integrally formed with the sliding block through metal materials, and the guide blocks are connected with the guide grooves in a sliding mode.

Preferably, the sliding block is of a cylindrical structure, the diameter of the sliding block is smaller than that of the sliding hole, and the sliding block and the sliding hole are coaxially arranged.

Preferably, the four guide grooves and the four guide blocks are uniformly distributed around the axes of the sliding block and the sliding hole at intervals in a ring shape.

Preferably, an inner hole is formed in the middle of the sliding block, and the inner hole is of a circular hole structure.

Preferably, six mounting holes are formed in the sliding block and are evenly divided into two groups of mounting hole groups, and the two groups of mounting hole groups are symmetrically arranged on two sides of the inner hole.

Preferably, a guide belt is adhered to the outer surface of the guide block.

Preferably, the guide block is provided with two side surfaces connected with the sliding block and a connecting surface connected with the two side surfaces, and the connecting surface is provided with a clearance groove with an arc groove structure.

Preferably, the sleeve is a rectangular cylinder, and two first grooves and two second grooves are respectively formed in two outer walls of the sleeve.

Preferably, the sliding block and the guide block are both made of aluminum alloy.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an electronic jar prevent changeing guide structure connects the slider of electric jar through setting up, be provided with on the outer wall of slider with four guide blocks of slider integrated into one piece, the outside cover of slider is equipped with and supplies the gliding sleeve of slider, has the holding four on the telescopic inner wall four the four guide ways of guide block, guide block embedding guide way in and sliding connection guide way to the guide block constitutes a whole with the slider, and stability is better, and four guide blocks and four guide ways you can make the slider slide more stable, use safelyr.

Drawings

Fig. 1 is the overall structure schematic diagram of an anti-rotation guide structure of an electric cylinder of the present invention.

Fig. 2 is a schematic structural view of the sleeve according to the present invention.

Fig. 3 is a schematic structural diagram of the slider of the present invention.

Fig. 4 is a schematic diagram of the usage of the present invention.

In the figure: 1-section bar mechanism, 11-sleeve, 12-slide hole, 13-guide groove, 14-mounting hole, 15-first groove, 16-second groove, 2-slide mechanism, 21-slide block, 22-guide block, 23-inner hole, 24-clearance groove, 25-mounting hole and 3-electric cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, the present invention provides a technical solution: an anti-rotation guide structure of an electric cylinder comprises a section bar mechanism 1 and a sliding mechanism 2.

The section bar mechanism 1 comprises a sleeve 11, a circular slide hole 12 is formed in the middle of the sleeve 11, and four guide grooves 13 are formed in the inner wall of the slide hole 12. The sleeve 11 is a rectangular cylinder, and two first grooves 15 and two second grooves 16 are respectively formed in two outer walls of the sleeve 11.

The sliding mechanism 2 comprises a sliding block 21 and a guide block 22, the sliding block 21 is positioned on the inner side of the sliding hole 12, the guide block 22 is provided with four guide grooves 13 corresponding to the four guide grooves, the guide block 22 is fixed on the outer wall of the sliding block 21, the guide block 22 and the sliding block 21 are integrally formed by aluminum alloy, the density of the aluminum alloy is low, but the strength is high, the aluminum alloy is close to or exceeds high-quality steel, the plasticity is good, various sections can be processed, and the electric conductivity, the heat conductivity and the corrosion resistance are good. In other embodiments, the sliding block 21 and the guide block 22 may be made of steel, copper, or other metals to increase the structural strength and the service life thereof, and the guide block 22 is slidably coupled to the guide groove 13. The slide block 21 is of a cylindrical structure, the diameter of the slide block 21 is smaller than that of the slide hole 12, and the slide block 21 and the slide hole 12 are coaxially arranged. An inner hole 23 is formed in the middle of the sliding block 21, and the inner hole 23 is of a circular hole structure. Six mounting holes 25 are formed in the sliding block 21, the six mounting holes 25 are divided into two groups of mounting hole groups, and the two groups of mounting hole groups are symmetrically arranged on two sides of the inner hole 23. The guide belt is adhered to the outer surface of the guide block 22, plays a role in guiding, and has the characteristics of extremely wear resistance, low friction, heat resistance, chemical corrosion resistance, vibration absorption performance and good dry-running characteristic. The guide block 22 has two side surfaces connected with the slide block 21 and a connecting surface connected with the two side surfaces, and a clearance groove 24 with an arc groove structure is arranged on the connecting surface.

Wherein, the sleeve 11 is also made of aluminum alloy, the mounting hole 14 is used for fixing the sleeve 11 on external equipment, the first groove 15 and the second groove 16 are both used for reducing the quality of the sleeve 11 and simultaneously increasing or ensuring the structural strength and the anti-torsion performance of the sleeve 11, the sliding hole 12 is used for accommodating the sliding block 21, the sliding block 21 is used for installing the output end of the electric cylinder 3 through the mounting hole 25, a user can fix a mounting plate with a threaded hole at the output end of the electric cylinder 3 and install the mounting plate on the sliding block 21 through a fixing bolt, so that when the output end of the electric cylinder 3 is in telescopic activity, the sliding block 21 is in the sliding hole 12, the guide block 22 is in the guide groove 16 for synchronous sliding, because the guide block 22 and the sliding block 21 are made of aluminum alloy and are simultaneously provided with four, the stability of the guide block 22 and the sliding block 21 is strong, and the operation between the guide groove 16, meanwhile, the guide belt can prevent the guide block 22 from directly contacting the sleeve 11, the clearance groove 24 with the arc structure can reduce the contact area between the guide block 22 and the inner wall of the guide groove 13, the abrasion generated when the guide block 22 operates is effectively reduced, and the service life is longer.

The utility model discloses an electronic jar prevent changeing guide structure, the user connects electric jar 3 with slider 21, imbeds slider 21 in sleeve 11's slide opening 12, and guide block 22 cooperatees with guide way 13, and guide block 22 contacts the inner wall of guide way 13 through the direction area, and electric jar 3's output is when flexible activity, and slider 21 carries out the synchronous slip in slide opening 12, guide block 22 in guide way 16. After guide block 22 and slider 21 are as a whole, intensity increases, and the guiding force can obviously be strengthened, and the guide block 22 life-span of metal material is longer, prevents changeing the ability reinforcing, and the area of contact of guide block 22 and the inner wall of guide way 13 can be reduced to the guidance tape simultaneously can avoid guide block 22 to directly touch sleeve 11, arc structure's clearance groove 24, has effectively reduced the wearing and tearing that produce during guide block 22 operation.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an electronic jar prevent changeing guide structure which characterized in that: comprises a section bar mechanism (1) and a sliding mechanism (2);

the profile mechanism (1) comprises a sleeve (11), a circular sliding hole (12) is formed in the middle of the sleeve (11), and four guide grooves (13) are formed in the inner wall of the sliding hole (12);

slide mechanism (2) include slider (21) and guide block (22), slider (21) are located the inboard of slide opening (12), guide block (22) are provided with four and correspond four respectively guide way (13), guide block (22) are fixed on the outer wall of slider (21) and guide block (22) with slider (21) adopt metal material integrated into one piece, guide block (22) sliding connection guide way (13).

2. An anti-rotation guide structure of an electric cylinder according to claim 1, characterized in that: the sliding block (21) is of a cylindrical structure, the diameter of the sliding block (21) is smaller than that of the sliding hole (12), and the sliding block (21) and the sliding hole (12) are coaxially arranged.

3. An anti-rotation guide structure of an electric cylinder according to claim 1, characterized in that: the four guide grooves (13) and the four guide blocks (22) are uniformly distributed around the axes of the sliding block (21) and the sliding hole (12) at intervals in an annular shape.

4. An anti-rotation guide structure of an electric cylinder according to claim 1, characterized in that: an inner hole (23) is formed in the middle of the sliding block (21), and the inner hole (23) is of a circular hole structure.

5. An anti-rotation guide structure of an electric cylinder according to claim 4, characterized in that: six mounting holes (25) have been seted up on slider (21), six mounting holes (25) are equallyd divide into two sets of mounting hole groups, and are two sets of mounting hole group symmetry sets up the both sides of hole (23).

6. An anti-rotation guide structure of an electric cylinder according to claim 1, characterized in that: and a guide belt is adhered to the outer surface of the guide block (22).

7. An anti-rotation guide structure of an electric cylinder according to claim 1, characterized in that: the guide block (22) is provided with two side surfaces connected with the sliding block (21) and a connecting surface connected with the two side surfaces, and the connecting surface is provided with a clearance groove (24) with an arc groove structure.

8. An anti-rotation guide structure of an electric cylinder according to claim 1, characterized in that: the sleeve (11) is a rectangular cylinder, and two first grooves (15) and two second grooves (16) are respectively formed in two outer walls of the sleeve (11).

9. An anti-rotation guide structure of an electric cylinder according to claim 1, characterized in that: the sliding block (21) and the guide block (22) are made of aluminum alloy.