Dust cover press mounting device
Technical Field
The utility model belongs to the technical field of installation device's technique and specifically relates to a dust cover pressure equipment device is related to.
Background
The ball head assembly is a part for an automobile steering system at present.
The existing ball head assembly generally covers the top of the ball head assembly to prevent external dust from entering the ball head assembly to accelerate the wear of the ball head assembly. For example, chinese utility model with publication number CN206394699U discloses a tie rod ball head, including ball round pin, dust cover, tie rod joint, first ball seat and second ball seat, the ball round pin includes bulb and connecting rod, and wherein, the tie rod ball head still includes: the inner sheath is sleeved on the connecting rod and is positioned between the dust cover and the pull rod joint; the end cover is fixed at the bottom of the pull rod joint, and the bottom surface of the second ball seat is contacted with the end cover.
However, in the process of installing the dust cover on the top of the ball head assembly with the ball head assembly, the bottom of the dust cover needs to be expanded and stretched manually and then is pressed down with the ball head assembly, so that the installation between the dust cover and the ball head assembly is completed, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dust cover pressure equipment device has made things convenient for the installation between dust cover and the bulb assembly, has promoted the installation effectiveness between bulb assembly and the dust cover.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a dust cover press-fitting device comprises a working platform, a mounting fixture for clamping a workpiece, a tensioning mechanism for clamping a dust cover and forcing the bottom of the dust cover to open and close, and a lifting assembly for driving the tensioning mechanism to integrally lift.
Through adopting above-mentioned technical scheme, during the use, with the work piece clamping on sectional fixture, straining device rises under lift assembly's effect afterwards, place the dust cover in straining device's top afterwards, make the dust cover expand under straining device's effect, make the bottom of dust cover be greater than the top of work piece, straining device wholly descends under lift assembly's effect afterwards, after the dust cover contacts with the work piece, straining device continues downstream under lift assembly's effect, make the dust cover break away from with straining device, thereby make the dust cover shrink after locate the work piece outside, the completion is to the installation of dust cover and work piece, make the installation between dust cover and the work piece more convenient.
The utility model discloses further set up to: the tensioning mechanism comprises a mounting seat, expansion clamping jaws mounted on the mounting seat and a driving assembly for driving the expansion clamping jaws to move, wherein the top of each expansion clamping jaw is provided with a positioning protrusion embedded into the dust cover, the number of the expansion clamping jaws is at least three, the expansion clamping jaws are arranged along the circumferential direction of the outer edge of the dust cover at intervals, and the driving assembly drives the expansion clamping jaws to move in opposite directions or in opposite directions.
Through adopting above-mentioned technical scheme, the tight jack catch that expands slides and installs in the top of mount pad, in the protruding embedding dust cover in location at the tight jack catch top that expands, when needs open the dust cover, the tight jack catch motion that deviates from each other of drive assembly drive expands for the dust cover is strutted under the effect of the tight jack catch that expands, when needs reinstallate the dust cover, the tight jack catch motion that expands of drive assembly drive, thereby make the dust cover can normally install on the tight jack catch that expands.
The utility model discloses further set up to: the expansion clamping jaws are arranged along the circumferential direction of the edge of the dust cover at even intervals.
Through adopting above-mentioned technical scheme for the dust cover is when expanding, and the atress is more even, has reduced because the probability that the dust cover atress inequality takes place to break or warp.
The utility model discloses further set up to: the drive assembly including set up in expand tight jack catch guide on the lateral wall in opposite directions, set up in the guide lateral wall compress tightly a, drive driving piece that the drive clamp piece goes up and down and make the tight jack catch that expands have the elastic component of relative motion trend all the time, the guide orientation compress tightly one side of piece and be provided with the direction inclined plane, expand when tight jack catch is in opposite directions minimum interval, compress tightly the lateral wall of piece with the lateral wall butt on direction inclined plane.
By adopting the technical scheme, when the expansion clamping jaws are required to be opened, the pressing piece axially slides under the action of the driving piece to enable the pressing piece to extrude the guide inclined plane on the guide piece, so that the expansion clamping jaws move towards the sides which are deviated from each other, and the expansion clamping jaws are opened; when the jack catch that expands of needs is shrink, compress tightly the piece and slide axially under the effect of driving piece for compress tightly one side of interval grow between the adjacent guide on the piece orientation and slide, thereby make and compress tightly no longer to extrude the guide, thereby make the jack catch that expands can be in the effect of elastic component downstream, realize the shrink of the jack catch that expands.
The utility model discloses further set up to: the driving piece is a screw motor, a ball nut connected with an output shaft of the screw motor is arranged in the pressing piece, and a damping block for mounting the screw motor is arranged at the bottom of the screw motor.
Through adopting above-mentioned technical scheme for compress tightly the piece and carry out axial slippage's in-process motion more stable, and make and compress tightly the piece and have higher positioning accuracy.
The utility model discloses further set up to: the elastic piece is annularly sleeved on the extension spring on one side of the expansion clamping jaw, which deviates from each other.
Through adopting above-mentioned technical scheme, set up the elastic component into extension spring, when the tight jack catch that expands needs to shrink, make the tight jack catch that expands move in opposite directions under extension spring's effect, realize simple structure, simple to operate, and use cost is lower to the shrink of the tight jack catch that expands.
The utility model discloses further set up to: the elastic piece is provided with at least two layers at intervals along the height direction of the expansion clamping jaw.
Through adopting above-mentioned technical scheme for the atress of the tight jack catch that expands is more stable at the in-process of motion, thereby makes the tight jack catch that expands move in opposite directions more stable.
The utility model discloses further set up to: each bottom of the expansion clamping jaw is provided with a linear sliding rail used for guiding the expansion clamping jaw, and the bottom of the expansion clamping jaw is provided with a linear sliding block which is installed on the top of the linear sliding rail in a sliding mode.
Through adopting above-mentioned technical scheme for the tight jack catch that expands can lead through linear slide rail, thereby makes the motion of the tight jack catch that expands more stable.
The utility model discloses further set up to: the lifting assembly comprises a positioning seat arranged at the bottom of the mounting seat, the positioning seat is connected with the working platform, a third driving piece is connected to the bottom of the positioning seat, and the third driving piece drives the damping block to axially lift.
Through adopting above-mentioned technical scheme, third driving piece is fixed with the positioning seat, and third driving piece top output shaft is connected with the snubber block, and the drive snubber block goes up and down to drive whole straining device and go up and down.
The utility model discloses further set up to: the top of positioning seat is provided with the guide bar along its border circumference interval, the guide bar runs through the mount pad.
Through adopting above-mentioned technical scheme for the whole in-process motion that goes on going up and down of elevating system is more stable.
To sum up, the utility model discloses a beneficial technological effect does:
by arranging the working platform, the mounting fixture, the tensioning mechanism and the lifting assembly, the mounting between the dust cover and the ball head assembly is facilitated, and the mounting efficiency between the ball head assembly and the dust cover is improved;
by arranging the guide piece, the pressing piece, the driving piece and the elastic piece, the axial motion of the pressing piece can be converted into the radial motion of the guide piece, the cost is lower, the structure is simple, and the installation is convenient;
through setting up linear slide rail and linear slider, can lead to the direction of motion of the tight jack catch that expands, and make the motion of the tight jack catch that expands more stable.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the general structure in another direction of the present invention.
Fig. 3 is a schematic view of the overall structure of the tension mechanism.
Fig. 4 is an exploded view of the tensioning mechanism.
Fig. 5 is a schematic view of the overall structure of the tensioning mechanism and the lifting assembly.
In the figure, 1, a workbench; 11. a platen; 111. a first limit groove; 12. a guide bar; 13. placing the plate; 2. installing a clamp; 21. a positioning groove; 22. clamping the groove; 23. a second limit groove; 3. a tensioning mechanism; 31. a mounting seat; 32. expanding and tightening the clamping jaws; 321. a positioning protrusion; 322. a connecting portion; 323. a sliding part; 324. a guide member; 3241. a guide slope; 325. placing a groove; 33. a slipping component; 331. a linear slide rail; 332. a linear slider; 34. a drive assembly; 341. a compression member; 3411. positioning the inclined plane; 342. a drive member; 3421. a servo motor; 3422. a damper block; 3423. a lead screw; 3424. a ball nut; 343. an elastic member; 4. a lifting member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to the attached drawing 1, the dust cover press-fitting device comprises a workbench 1, a mounting clamp 2, a tensioning mechanism 3 and a lifting piece 4.
Referring to fig. 1 and 2, the work table 1 has a table plate 11 fixed to the top of the work table 1, two guide rods 12 fixed to the bottom of the table plate 11, and a placing plate 13 fixed to the bottom of the guide rods 12, the mounting jig 2 is mounted to the top of the work table 1, the tension mechanism 3 is mounted to the top of the placing plate 13, and the lifter 4 is mounted to the bottom of the placing plate 13.
Referring to fig. 3, a positioning groove 21 is formed at the top of the mounting fixture 2, and a clamping groove 22 horizontally penetrating through the mounting fixture 2 is formed on the inner wall of the positioning groove 21.
Referring to fig. 4, the tensioning mechanism 3 includes a mounting seat 31, an expansion jaw assembly mounted on the mounting seat 31, a sliding assembly 33 disposed at the bottom of the expansion jaw assembly, and a driving assembly 34 for driving the expansion jaw assembly to slide.
The expansion clamping jaw assembly is composed of at least three expansion clamping jaws 32 which are uniformly arranged along the circumferential direction of the edge of the mounting fixture 2 at intervals, and each expansion clamping jaw 32 is provided with a positioning protrusion 321 positioned at the top, a connecting part 322 integrally arranged at the bottom of the positioning protrusion 321 and a sliding part 323 integrally arranged at the bottom of the connecting part 322. In this embodiment, the number of the expansion claws 32 is four.
Referring to fig. 2 and 3, the bedplate 11 is provided with four first limiting grooves 111 through which the positioning protrusions 321 and the connecting portions 322 pass, the mounting fixture 2 is provided with four second limiting grooves 23 through which the positioning protrusions 321 and the connecting portions 322 pass, and the first limiting grooves 111 and the second limiting grooves 23 are arranged in a one-to-one correspondence manner and are partially overlapped.
Referring to fig. 4 and 5, the sliding assembly 33 includes a linear slide 331 mounted on the mounting seat 31 and a linear slide 332 mounted on the linear slide 331, and the linear slide 332 is connected to the sliding portion 323 at the bottom of the expansion jaw 32.
The driving assembly 34 includes a pressing member 341, a driving member 342, and an elastic member 343.
The four expansion claws 32 are integrally provided with guide members 324 at the side walls facing the mounting fixture 2, and the guide members 324 are provided with a guide inclined surface 3241 at the top of the side facing the mounting fixture 2. The pressing member 341 is attached between the four expansion claws 32, and a positioning inclined surface 3411 abutting against the guide inclined surface 3241 is provided at the bottom of the pressing member 341.
The driving member 342 includes a servo motor 3421 mounted on the base of the mounting seat 31, a lead screw 3423 mounted on the output shaft of the servo motor 3421, and a ball nut 3424 mounted on the outer side of the lead screw 3423. The servo motor 3421 is located below the pressing member 341, and a damping block 3422 is provided at the bottom of the servo motor 3421, and the damping block 3422 is partially embedded in the placing plate 13. The lead screw 3423 vertically penetrates the pressing member 341, and the ball nut 3424 is installed in the pressing member 341 and engaged with the lead screw 3423.
Elastic component 343 is an extension spring, and elastic component 343 encircles and installs in the outside of all bloated tight jack catch 32 connecting pieces, and the one side lateral wall that bloated tight jack catch 32 deviates from each other all sets up two confession elastic component 343 embedding along the direction of height and places the recess 325, and the number of elastic component 343 is two, and in two placing the recess 325 on the tight jack catch 32 of calorie income respectively, is parallel to each other between two elastic component 343.
The lifting member 4 is a cylinder, and a piston rod of the cylinder penetrates through the placing plate 13 and then is fixedly connected with the damping block 3422. In this embodiment, except the cylinder, other actuating mechanism that can drive the snubber block and carry out sharp lift such as hydro-cylinder, linear electric motor all can reach required effect, just all are in the utility model discloses the claim protection scope.
The use steps of the above embodiment are:
1. the cylinder at the bottom of the placing plate 13 extends out to push the whole tensioning mechanism 3 to move upwards, so that the expansion claw 32 extends to the upper part of the mounting clamp 2;
2. the driving piece 342 drives the pressing piece 341 to move upwards, so that the expansion claws 32 move towards each other under the action of the elastic piece 343;
3. placing the dust cover on the top of the expansion claw 32 and positioning through the positioning protrusion 321;
4. the driving piece 342 drives the pressing piece 341 to move downwards, so that the pressing piece 341 presses the guide piece 322, and the expansion claws 32 move away from each other to expand the dust cover;
5. the cylinder contracts, so that the damping block 3422 moves downwards, the whole tensioning mechanism 3 is driven to move downwards, and after the dust cover contacts with the workpiece, the dust cover is blocked by the workpiece and automatically contracts after being separated from the expansion clamping jaws 32.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.