阅读说明：本技术 一种汽车转向器防护罩自动装配装置 (Automatic assembling device for automobile steering device protective cover ) 是由 邓勇强 文卫平 陈永生 黄伟 刘思婕 于 2021-07-12 设计创作，主要内容包括：本发明涉及一种汽车转向器齿条防护罩自动装配装置,属汽车转向器装配设备领域。包括工作台面、工件固定架、滑移机构、传动机构和装配机构,工作台面上固装有工件固定架,工件固定架左右两侧的工作台面上分别设置有滑移机构,与滑移机构对应的工作台面底端上装有传动机构,传动机构与滑移机构配合传动连接,滑移机构上固装有装配机构。该装置通过托举件和压紧件相互配合能将防护罩压紧,对防护罩形成夹持,再通过滑移机构、传动机构将其进行输送,与转向器配合安装,该装配装置结构简单、使用方便,有效减少人工劳动量、提高装配工作效率,同时解决了因工作人员个体差异的不同,产品安装的防护罩一致性差的问题。(The invention relates to an automatic assembling device for a rack protective cover of an automobile steering gear, belonging to the field of automobile steering gear assembling equipment. The workpiece fixing frame is fixedly arranged on the working table top, the sliding mechanisms are respectively arranged on the working table top at the left side and the right side of the workpiece fixing frame, the transmission mechanism is arranged at the bottom end of the working table top corresponding to the sliding mechanisms, the transmission mechanism is in transmission connection with the sliding mechanisms in a matched mode, and the assembly mechanism is fixedly arranged on the sliding mechanism. The device can compress tightly the protection casing through lifting the piece and compressing tightly a mutually supporting, forms the centre gripping to the protection casing, and rethread glide machanism, drive mechanism carry it, and with the cooperation installation of steering gear, this assembly quality simple structure, convenient to use effectively reduce the amount of labour, improve assembly work efficiency, have solved simultaneously because of the difference of staff individual difference, the poor problem of protection casing uniformity of product installation.)

1. The utility model provides an auto steering ware rack protection casing automatic assembly device, includes table surface (1), work piece mount (2), glide machanism, drive mechanism and assembly devices, its characterized in that: the workpiece fixing frame (2) is fixedly arranged on the working table top (1), the working table tops (1) on the left side and the right side of the workpiece fixing frame (2) are respectively provided with a sliding mechanism, the bottom end of the working table top (1) corresponding to the sliding mechanism is provided with a transmission mechanism, the transmission mechanism is in transmission connection with the sliding mechanism in a matched mode, and the sliding mechanism is fixedly provided with an assembling mechanism.

2. The automatic assembling device for the rack guard of the automobile steering device according to claim 1, wherein: the cross section of the workpiece fixing frame (2) is U-shaped, and the centers of the top ends of two vertical plates of the workpiece fixing frame (2) are respectively provided with a positioning clamping groove (28).

3. The automatic assembling device for the rack guard of the automobile steering device according to claim 1, wherein: glide machanism include slide rail (3) and slide (4), slide rail (3) symmetry is installed on table surface (1), be provided with logical groove of stepping down (5) on table surface (1) between two slide rails (3), the top that leads to groove of stepping down (5) is provided with slide (4), slide (4) and slide rail (3) cooperation sliding connection, the connecting plate is equipped with admittedly on the bottom surface of slide (4), the connecting plate bottom is passed logical groove of stepping down (5) and is extended to the below of table surface (1), lead screw nut (6) are equipped with admittedly on slide (4) of extending to table surface (1) below.

4. The automatic assembling device for the rack guard of the automobile steering device according to claim 1, wherein: the transmission mechanism comprises a transmission lead screw (7), a driving motor (8), a driving wheel (9), a driven wheel (10) and a transmission belt (11), wherein two ends of the transmission lead screw (7) are respectively movably mounted on the bottom plane of the working table top (1) through a movable seat (12), the transmission lead screw (7) is in threaded connection with a lead screw nut (6) in a matched mode, the driven wheel (10) is fixedly mounted on one end of the transmission lead screw (7), the driving motor (8) is arranged below the driven wheel (10), the driving motor (8) is fixedly mounted on the movable seat (12) through a motor mounting seat, the driving wheel (9) is fixedly mounted on a transmission shaft of the driving motor (8), and the driving wheel (9) is connected with the driven wheel (10) through the transmission belt (11).

5. The automatic assembling device for the rack guard of the automobile steering device according to claim 1, wherein: the assembling mechanism comprises a mounting frame (13), an inclined pushing piece, a locking piece, a lifting piece and a pressing piece, wherein the section of the mounting frame (13) is in a shape like a Chinese character '7', the locking piece is fixedly arranged at one end of the mounting frame (13), the lifting piece is arranged at the front end of the locking piece, the pressing piece is arranged above the lifting piece, the pressing piece is movably connected with the locking piece, the inclined pushing piece is arranged on the mounting frame (13) at the rear of the pressing piece, the inclined pushing piece is movably connected with the pressing piece, and the mounting frame (13) is fixedly arranged on a sliding plate (4).

6. The automatic assembling device for the rack guard of the automobile steering device according to claim 5, wherein: the locking piece include locking seat (14) and locking screw (15), locking seat (14) cross-section is "protruding" font, the center of locking seat (14) is provided with assembly through-hole (16), be provided with the bolt hole on locking seat (14) of assembly through-hole (16) top, bolt hole and assembly through-hole (16) intercommunication, locking screw (15) are installed to the bolt hole internal thread, locking screw (15) bottom extends to in assembly through-hole (16).

7. The automatic assembling device for the rack guard of the automobile steering device according to claim 5, wherein: the lifting piece comprises a positioning cylinder (17) and a supporting plate (18), the positioning cylinder (17) is in a variable-diameter cylindrical shape, a step center hole (19) is formed in the center of the positioning cylinder (17), the supporting plate (18) is arranged on the port of the positioning cylinder (17) below the step center hole (19), the cross section of the supporting plate (18) is in a semicircular arc shape, a limiting hole (20) is formed in the circumference of the positioning cylinder (17) corresponding to the locking screw (15), and the locking screw (15) is matched and inserted with the limiting hole (20).

8. The automatic assembling device for the rack guard of the automobile steering device according to claim 5, wherein: the clamping part comprises a connecting frame (21), a clamping jaw (22) and a connecting rod (23), the bottom end of the connecting frame (21) is movably connected with a locking seat (14) through a pin shaft, the clamping jaw (22) is fixedly arranged at one end of the connecting frame (21), the clamping jaw (22) is U-shaped, a limiting bulge (24) is arranged on the inner wall of a clamping groove of the clamping jaw (22), the limiting bulge (24) is semi-annular, and the connecting rod (23) is arranged at the other end of the connecting frame (21).

9. The automatic assembling device for the rack guard of the automobile steering device according to claim 5, wherein: the inclined pushing piece comprises an air cylinder mounting seat (25), an inclined pushing air cylinder (26) and an ear plate seat (27), the air cylinder mounting seat (25) is fixedly mounted on a mounting frame (13), the air cylinder mounting seat (25) is movably mounted with the inclined pushing air cylinder (26), the end of a piston rod of the inclined pushing air cylinder (26) is fixedly provided with the ear plate seat (27), the cross section of the ear plate seat (27) is shaped like 'Jiong', and the ear plate seat (27) is movably connected with a connecting rod (23) through a bolt.

Technical Field

The invention relates to an automatic assembling device for a rack protective cover of an automobile steering gear, belonging to the field of automobile steering gear assembling equipment.

Background

In a hydraulic power steering gear, a mechanical power steering gear or an electronic power steering gear, a shield of a rack of an automobile steering gear is one of important parts. Its main function is for protecting the inside part of steering gear, keeps in the space of relative seal all the time under the motion operating mode, isolated outside muddy water, keeps the good operational environment of part and the life of extension product. The structure is characterized in that: irregular corrugated cylinder adds irregular rotator tubular structure, and the both ends of pipe are opening hole not of uniform size, and carry out fixed coordination with other parts. The material is generally composite material, code PP/EPDM, and the material is dynamic vulcanized rubber.

At present in the installation of protective housing, because it has certain compliance and easy deformation, mainly adopt artifical manual and other parts to install the operation, two rack protective housings of a product installation need many people to cooperate to go on, and assembly work efficiency is low and workman's intensity of labour is great, because of the difference of staff's individual difference, the protective housing uniformity of product installation is poor, can't satisfy the requirement of industrial production. Therefore, there is a need for improvement thereof.

Disclosure of Invention

The invention aims to: the automatic assembling device for the rack protective cover of the automobile steering device has the advantages that the structure is simple, the use is convenient, the manual labor amount is effectively reduced, the assembling work efficiency is improved, and meanwhile, the problem that the consistency of the protective cover installed on a product is poor due to different individual differences of workers is solved.

The technical scheme of the invention is as follows:

the utility model provides an auto steering ware rack protection casing automatic assembly device, includes table surface, work piece mount, glide machanism, drive mechanism and assembly devices, its characterized in that: the worktable surface on the left and right sides of the workpiece fixing frame is respectively provided with a sliding mechanism, the bottom end of the worktable surface corresponding to the sliding mechanism is provided with a transmission mechanism, the transmission mechanism is in transmission connection with the sliding mechanism in a matching way, and the sliding mechanism is fixedly provided with an assembling mechanism.

The cross section of the workpiece fixing frame is U-shaped, and the centers of the top ends of two vertical plates of the workpiece fixing frame are respectively provided with a positioning clamping groove.

The sliding mechanism comprises sliding rails and sliding plates, the sliding rails are symmetrically arranged on a workbench surface, an abdicating through groove is formed in the workbench surface between the two sliding rails, the sliding plate is arranged above the abdicating through groove, the sliding plate is in sliding connection with the sliding rails in a matched mode, a connecting plate is fixedly arranged on the bottom surface of the sliding plate, the bottom end of the connecting plate penetrates through the abdicating through groove to extend to the lower portion of the workbench surface, and a lead screw nut is fixedly arranged on the sliding plate extending to the lower portion of the workbench surface.

The transmission mechanism comprises a transmission screw rod, a driving motor, a driving wheel, a driven wheel and a transmission belt, wherein two ends of the transmission screw rod are movably arranged on the bottom plane of the working table top through movable seats respectively, the transmission screw rod is in matched threaded connection with a screw rod nut, the driven wheel is fixedly arranged at one end of the transmission screw rod, the driving motor is arranged below the driven wheel, the driving motor is fixedly arranged on the movable seats through a motor mounting seat, the driving wheel is fixedly arranged on a transmission shaft of the driving motor, and the driving wheel is connected with the driven wheel through the transmission belt.

The assembling mechanism comprises a mounting frame, an inclined pushing piece, a locking piece, a lifting piece and a pressing piece, the cross section of the mounting frame is in a shape like a Chinese character '7', the locking piece is fixedly arranged at the end of one end of the mounting frame, the lifting piece is arranged at the front end of the locking piece, a pressing piece is arranged above the lifting piece, the pressing piece is movably connected with the locking piece, the inclined pushing piece is arranged on the mounting frame at the rear of the pressing piece, the inclined pushing piece is movably connected with the pressing piece, and the mounting frame is fixedly arranged on a sliding plate.

The locking piece include locking seat and locking screw, the locking seat cross-section is "protruding" font, the center of locking seat is provided with the assembly through-hole, is provided with the bolt hole on the locking seat of assembly through-hole top, the bolt hole communicates with the assembly through-hole, locking screw is installed to the bolt hole internal thread, the locking screw bottom extends to in the assembly through-hole.

The lifting piece comprises a positioning cylinder and a supporting plate, the positioning cylinder is in a reducing cylinder shape, a step center hole is formed in the center of the positioning cylinder, the supporting plate is arranged on the port of the positioning cylinder below the step center hole, the cross section of the supporting plate is in a semi-circular arc shape, a limiting hole is formed in the circumference of the positioning cylinder corresponding to the locking screw, and the locking screw is inserted in the limiting hole in a matched mode.

The clamping part comprises a connecting frame, a clamping jaw and a connecting rod, the bottom end of the connecting frame is movably connected with the locking seat through a pin shaft, the clamping jaw is fixedly arranged at one end of the connecting frame and is U-shaped, a limiting bulge is arranged on the inner wall of a clamping groove of the clamping jaw and is semi-annular, and the connecting rod is arranged at the other end of the connecting frame.

The inclined pushing piece comprises an air cylinder mounting seat, an inclined pushing air cylinder and an ear plate seat, the air cylinder mounting seat is fixedly mounted on the mounting frame, the inclined pushing air cylinder is movably mounted on the air cylinder mounting seat, the ear plate seat is fixedly mounted at the end of a piston rod of the inclined pushing air cylinder, the cross section of the ear plate seat is shaped like Jiong, and the ear plate seat is movably connected with the connecting rod through a bolt.

Compared with the prior art, the invention has the beneficial effects that:

this auto steering ware rack protection casing automatic assembly device can compress tightly the protection casing through lifting the piece and compressing tightly a mutually supporting, form the centre gripping to the protection casing, rethread glide machanism, drive mechanism carries it, install with the steering gear cooperation, this auto steering ware rack protection casing automatic assembly device simple structure, high durability and convenient use, effectively reduce the amount of hand labor, improve assembly work efficiency, the difference because of the personnel individual difference has been solved simultaneously, the poor problem of protection casing uniformity of product installation, the requirement of industrial production has been satisfied.

Drawings

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

FIG. 2 is a schematic front view of the structure of FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic perspective view of the assembly mechanism of the present invention with the lifting member removed;

fig. 5 is a schematic perspective view of the lifting member of the present invention.

In the figure: 1. a work table; 2. a workpiece holder; 3. a slide rail; 4. a slide plate; 5. a yielding through groove; 6. a feed screw nut; 7. a transmission screw rod; 8. a drive motor; 9. a driving wheel; 10. a driven wheel; 11. a drive belt; 12. a movable seat; 13. a mounting frame; 14. a locking seat; 15. locking the screw rod; 16. assembling the through hole; 17. a positioning cylinder; 18. a support plate; 19. a step center hole; 20. a limiting hole; 21. a connecting frame; 22. a claw; 23. a connecting rod; 24. a limiting bulge; 25. a cylinder mounting seat; 26. a diagonal pushing cylinder; 27. an ear plate seat; 28. and a positioning clamping groove.

Detailed Description

As shown in figures 1-5

The automatic assembling device for the automobile steering gear rack protective cover comprises a working table surface 1, a workpiece fixing frame 2, a sliding mechanism, a transmission mechanism and an assembling mechanism, wherein the workpiece fixing frame 2 is fixedly installed on the center of the upper surface of the working table surface 1, the cross section of the workpiece fixing frame 2 is U-shaped, positioning clamping grooves 28 are respectively formed in the centers of the top ends of two vertical plates of the workpiece fixing frame 2, and the positioning clamping grooves 28 are used for positioning workpieces (automobile steering gears) and facilitating the placement of the workpieces on the workpiece fixing frame 2.

Be provided with glide machanism on the table surface 1 of the 2 left and right sides of work piece mount respectively, glide machanism includes slide rail 3 and slide 4, the 3 symmetry of slide rail is installed on table surface 1, be provided with logical groove 5 of stepping down on the table surface 1 between two slide rails 3, the top that leads to groove 5 of stepping down is provided with slide 4, slide 4 and 3 cooperation sliding connection of slide rail, fixed mounting has the connecting plate on the bottom surface of slide 4, the connecting plate bottom is passed and is stepped down logical groove 5 and extend to the below of table surface 1, fixed mounting has screw-nut 6 on the slide 4 of extending to table surface 1 below.

The bottom end of the working table top 1 corresponding to the sliding mechanism is provided with a transmission mechanism, the transmission mechanism comprises a transmission lead screw 7, a driving motor 8, a driving wheel 9, a driven wheel 10 and a transmission belt 11, two ends of the transmission lead screw 7 are respectively movably mounted on the lower surface of the working table top 1 through a movable seat 12, the end head of one end of the transmission lead screw 7 is fixedly mounted with the driven wheel 10, the driving motor 8 is arranged below the driven wheel 10, the driving motor 8 is fixedly mounted on the movable seat 12 through a motor mounting seat, the driving wheel 9 is fixedly mounted on a transmission shaft of the driving motor 8, the driving wheel 9 is connected with the driven wheel 10 through the transmission belt 11, in work, the driving motor 8 drives the driving wheel 9 to rotate, the driving wheel 9 drives the driven wheel 10 to rotate through the transmission belt 11, and the transmission lead screw 7 is synchronously driven to rotate when the driven wheel 10 rotates.

The transmission screw rod 7 of the transmission mechanism is in threaded connection with the screw rod nut 6 of the sliding mechanism in a matching mode, and when the transmission screw rod 7 rotates in work, the transmission screw rod 7 is matched with the screw rod nut 6 to drive the sliding plate 4 to slide leftwards or rightwards along the axial direction of the sliding rail 3.

Fixed mounting has assembly devices on glide machanism's the slide 4, assembly devices includes mounting bracket 13, the piece pushes away to one side, the retaining member, lift the piece and compress tightly the piece, mounting bracket 13 fixed mounting is on slide 4, mounting bracket 13 cross-section is "7" font, mounting bracket 13 one end fixed mounting has the retaining member, the retaining member includes locking seat 14 and locking screw 15, locking seat 14 cross-section is "protruding" font, locking seat 14's center is provided with assembly through-hole 16, be provided with the bolt hole on the locking seat 14 of assembly through-hole 16 top, bolt hole and assembly through-hole 16 intercommunication, locking screw 15 is installed to the bolt hole internal thread, 15 bottom extensions of locking screw extend to in the assembly through-hole 16.

The front end of the locking part is provided with a lifting part, the lifting part comprises a positioning cylinder 17 and a supporting plate 18, the positioning cylinder 17 is in a variable-diameter cylindrical shape, the positioning cylinder 17 is matched and inserted with an assembling through hole 16 of a locking seat 14, the center of the positioning cylinder 17 is provided with a step center hole 19, the step center hole 19 is used for clamping a protective cover, a supporting plate 18 is arranged on the port of the positioning cylinder 17 below the step center hole 19, the cross section of the supporting plate 18 is in a semicircular arc shape, the supporting plate 18 can lift the protective cover, a limiting hole 20 is arranged on the circumference of the positioning cylinder 17 corresponding to the locking screw rod 15, and the locking screw rod 15 is matched and inserted with the limiting hole 20, so that the locking part and the lifting part are matched and locked with each other.

The top of lifting the piece is provided with compresses tightly the piece, compress tightly the piece and include link 21, jack catch 22 and connecting rod 23, link 21 cross-section is "T" font, the bottom of link 21 is through round pin axle and locking seat 14 swing joint, link 21 uses the round pin axle to take place the swing as the axle center, link 21 one end fixed mounting has jack catch 22, jack catch 22 is "U" font, be provided with spacing arch 24 on the draw-in groove inner wall of jack catch 22, spacing arch 24 is the semicircle form, connecting rod 23 is equipped with on the other end of link 21.

The mounting bracket 13 behind the pressing piece is provided with the oblique pushing piece, the oblique pushing piece comprises a cylinder mounting seat 25, an oblique pushing cylinder 26 and an ear plate seat 27, the cylinder mounting seat 25 is fixedly mounted on the mounting bracket 13, the cylinder mounting seat 25 is movably provided with the oblique pushing cylinder 26, the end of a piston rod of the oblique pushing cylinder 26 is fixedly provided with the ear plate seat 27, the cross section of the ear plate seat 27 is shaped like 'Jiong', and the ear plate seat 27 of the oblique pushing piece is movably connected with the connecting rod 23 of the pressing piece through a bolt.

An air compressor is externally connected to an inclined push cylinder 26 of the automatic assembling device for the rack shield of the automobile steering gear, and a power supply is externally connected to a driving motor 8.

The automatic assembling device for the rack protective cover of the automobile steering device works, firstly, a workpiece to be installed is placed on a workpiece fixing frame 2, after the workpiece is placed, two protective covers are respectively placed on supporting plates 18 of lifting pieces on the left side and the right side of the workpiece fixing frame 2, one end of each protective cover is clamped with a step center hole 19 in a matching mode, after the protective covers are placed, an inclined pushing cylinder 26 is opened, a piston rod of the inclined pushing cylinder 26 extends forwards, the connecting frame 21 is driven to swing forwards and downwards by taking a pin shaft as an axis through the matching of an ear plate seat 27 and a bolt and a connecting rod 23, so that the clamping claw 22 is driven to displace downwards, the protective covers are clamped by limiting protrusions 24 of the clamping claw 22, and the supporting plates 18 are matched with a positioning cylinder 17, so that the protective covers are clamped.

After forming the clamping state, driving motor 8 drives transmission lead screw 7 and takes place to rotate, cooperation through screw-nut 6 and transmission lead screw 7, thereby drive two 4 opposite direction movements of slide, assembly devices and the synchronous opposite direction movement of protection casing on the slide 4, make the protection casing install on the work piece, the piston rod of control diagonal thrust cylinder 26 resets, jack catch 22 rebound this moment, jack catch 22 has removed the state that compresses tightly to the protection casing, driving motor 8 makes two slides 4 reset, the staff has changed work piece and the protection casing of treating the installation again, can circulate the installation operation of carrying out the protection casing, accomplish the installation operation of whole protection casing from this.

This auto steering ware rack protection casing automatic assembly device can compress tightly the protection casing through lifting the piece and compressing tightly a mutually supporting, form the centre gripping to the protection casing, rethread glide machanism, drive mechanism carries it, install with the steering gear cooperation, this auto steering ware rack protection casing automatic assembly device simple structure, high durability and convenient use, effectively reduce the amount of hand labor, improve assembly work efficiency, the difference because of the personnel individual difference has been solved simultaneously, the poor problem of protection casing uniformity of product installation, the requirement of industrial production has been satisfied.