CN115533508A - Screw driving device for automobile lamp shell - Google Patents

Abstract

The invention discloses a screw driving device for an automobile lamp shell, which relates to the technical field of automobile lamp processing and comprises a supporting plate, wherein a screw machine is fixed on a transmission box, a lifting gear is rotatably installed in the transmission box, a steering shaft is rotatably installed on the supporting plate, a bearing disc is coaxially fixed at the top of the steering shaft, a pair of positioning assemblies are respectively installed on a supporting plate, a positioning sleeve is arranged at the lower end of the screw machine, and a pushing wedge block in the positioning sleeve is installed on each pushing assembly. According to the invention, the driving gear and the driven gear can be driven to carry out meshing transmission by rotating the rotating handle, the transmission box can vertically slide relative to the upright post I under the transmission action of the worm, the worm wheel, the lifting gear and the rack, and after the rotating handle is loosened, the transmission box can not be displaced, so that the real-time positioning effect after the position of the screw machine is adjusted is realized, an operator does not need to hold the screw machine to maintain the stable height and position of the screw machine, and the arm fatigue of the operator is effectively relieved.

Description

Screw driving device for automobile lamp shell

Technical Field

The invention relates to the technical field of automobile lamp processing, in particular to an automobile lamp shell screwing device.

Background

The vehicle lamp is a tool for illuminating the road when the vehicle runs at night and is also a prompting tool for sending various vehicle running signals, generally, the vehicle lamp is divided into a headlamp, a tail lamp, a steering lamp and the like, when the vehicle lamp is assembled, a lamp shell is generally assembled and installed through screws, and the screws are screwed and installed through an existing screwing machine to realize the assembly of a lamp group.

The screwdriver head is connected to the mounting of suitable specification by the screw machine, the screwdriver head docks with the screw of car light, the rotatory screw operation of realizing beating of drive screw of screwdriver head, but screw device is beaten to current car light casing, in the use, though have the lift adjustment function that can carry out vertical high position to the screwdriver head of screw machine, but the screwdriver head can not carry out the real-time location effect of vertical position, this just needs the manual high position of maintaining the screw machine of operating personnel in order to guarantee the position stability of screwdriver head, during long-time operation, operating personnel's arm produces fatigue easily, the degree of accuracy and the operating efficiency that the car light casing beaten the screw receive great restriction, to prior art's above-mentioned technical defect, a car light casing beats screw device is now provided, solve above-mentioned problem.

Disclosure of Invention

The invention aims to provide a screw driving device for an automobile lamp shell, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a car light casing screw device, includes the backup pad, the vertical stand I that is fixed with in the backup pad, vertical slidable mounting has a lifting sleeve on the stand I, is fixed with the transmission case on the lifting sleeve, be fixed with the screw machine on the transmission case, the lifting gear is installed to the transmission case internal rotation, vertical groove has been seted up on the stand I, vertical inslot is provided with to be fixed rack on the stand I, the lifting gear with rack toothing connects, the last coaxial worm wheel that is fixed with of lifting gear, meshing are connected with the worm on the worm wheel, rotatable mounting has the steering spindle in the backup pad, and the coaxial bearing disc that is fixed with in steering spindle top, slidable mounting has the slip strip piece on the bearing disc, be fixed with the slip frame on the slip strip piece, slidable mounting has a pair of layer board on the slip frame, every all install a pair of locating component on the layer board, the screw machine lower extreme is provided with the locating sleeve, rotatable mounting has a plurality of centre gripping arm on the screw machine, every all install on the centre gripping arm and push away the subassembly, every push away the voussoir that all install on pushing away in the locating sleeve.

As a modified scheme of the invention: the transmission case is rotatably provided with a driving gear, a driven gear meshed with the driving gear is rotatably arranged in the transmission case, and the driven gear is coaxially fixed with the worm.

As a modified scheme of the invention: the driving gear is fixed with a rotating handle, and the diameter of the reference circle of the driving gear is larger than that of the driven gear.

As a modified scheme of the invention: the pushing assembly comprises a traction spring fixed with the clamping arm, one end of the traction spring, far away from the clamping arm, is fixed with the screw machine, and a sliding guide assembly is connected between the pushing wedge block and the clamping arm.

As a modified scheme of the invention: the sliding guide assembly comprises a sliding groove formed in the clamping arm, a pin column is arranged in the sliding groove, the pin column is fixed to the pin column and is connected with the clamping arm in a sliding mode, and the sliding column penetrates through the side wall of the positioning sleeve along the radial sliding direction of the positioning sleeve and is fixed with the pushing wedge block.

As a modified scheme of the invention: the locating component comprises a vertical column II which is fixed, a clamping frame is connected to the column II in a sliding mode, a spring ring is fixedly connected between the supporting plates, the clamping frame is of an L-shaped plate structure, and a trapezoidal rubber block is fixed to one side, facing the supporting plate, of the clamping frame.

As a modified scheme of the invention: the sliding frame is rotatably provided with two coaxially fixed threaded columns with opposite thread turning directions, the two threaded columns are respectively in threaded connection with the two supporting plates, and the sliding frame is fixedly provided with a servo motor for driving the threaded columns to rotate.

As a modified scheme of the invention: the sliding strip block is slidably embedded with a friction cylinder in friction butt joint with the sliding frame, and a butting and pushing spring I is fixed between the friction cylinder and the sliding strip block.

As a modified scheme of the invention: the fixed mounting is in cup joint on the backup pad location cover dish on the steering spindle, be provided with a pair of friction arc piece with steering spindle lateral wall friction butt in the location cover dish, slidable mounting has the extension post fixed with the location cover dish on the friction arc piece, is fixed with between friction arc piece and the location cover dish and supports and push away spring II.

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

according to the invention, the driving gear and the driven gear can be driven to carry out meshing transmission by rotating the rotating handle, the transmission box can vertically slide relative to the upright post I under the transmission action of the worm, the worm wheel, the lifting gear and the rack, so that the flexible adjustment of the vertical height position can be realized by the positioning sleeve at the bottom of the screw machine, and after the rotating handle is loosened, the transmission box can not be displaced, the real-time positioning effect after the position adjustment of the screw machine is realized, an operator does not need to hold the screw machine to maintain the stable height position of the screw machine, the arm fatigue of the operator is effectively relieved, and the screw driving stability and the operation quality of the lamp housing of the automobile lamp are ensured.

According to the invention, the screwdriver head is inserted and connected with the screw machine through the positioning sleeve, a good guiding and mounting effect on the screwdriver head is achieved, in the mounting process, the screwdriver head and the pushing wedge blocks are pushed and slide, and under the action force of the clamping arm towards the positioning sleeve, the quick and stable positioning effect of the plurality of pushing wedge blocks on the screwdriver head is realized, so that the screwdriver head is stably and quickly butted with the screw machine in the replacing process, and the screwing efficiency of the lamp housing of the car lamp is greatly improved.

Drawings

FIG. 1 is a schematic view of the present invention at a certain viewing angle;

FIG. 2 is a schematic diagram of the present invention from another perspective;

FIG. 3 is a schematic structural view of a screw machine, a positioning sleeve, a clamping arm, a pushing wedge and other components of the present invention;

FIG. 4 is a partial schematic view of FIG. 3 according to the present invention;

FIG. 5 is a schematic view showing the internal structure of the transmission case according to the present invention;

FIG. 6 is a schematic connection diagram of the positioning assembly, the support plate, the threaded post, the servo motor and other components of the present invention;

FIG. 7 is a schematic view showing the connection of the sliding frame, the sliding bar, the biasing spring I and the friction cylinder of FIG. 5 according to the present invention;

FIG. 8 is a schematic connection diagram of the positioning sleeve disc, the friction arc block, the extending column and the pushing spring II.

In the figure: 1-supporting plate, 2-upright post I, 3-longitudinal groove, 4-rack, 5-screw machine, 6-clamping arm, 7-bearing plate, 8-positioning sleeve plate, 9-sliding frame, 10-sliding bar block, 11-handheld frame, 12-supporting plate, 13-clamping frame, 14-servo motor, 15-positioning sleeve, 16-transmission box, 17-driven gear, 18-rotating handle, 19-lifting sleeve, 20-driving gear, 21-pushing wedge block, 22-traction spring, 23-pin column, 24-sliding chute, 25-sliding column, 26-worm, 27-lifting gear, 28-spring ring, 29-threaded column, 30-trapezoidal rubber block, 31-pushing spring I, 32-friction cylinder, 33-friction arc block, 34-extending column, 35-pushing spring II, 36-steering shaft, 37-worm wheel and 38-upright post II.

Detailed Description

The technical scheme of the patent is further described in detail by combining the following specific embodiments:

example 1

Referring to fig. 1-8, an automobile lamp shell screwing device includes a support plate 1, an upright post I2 is vertically fixed on the support plate 1, a lifting sleeve 19 is vertically slidably mounted on the upright post I2, a transmission case 16 is fixed on the lifting sleeve 19, a screw machine 5 is fixed on the transmission case 16, a lifting gear 27 is rotatably mounted in the transmission case 16, a longitudinal groove 3 is formed in the upright post I2, a rack 4 fixed on the upright post I2 is arranged in the longitudinal groove 3, the lifting gear 27 is engaged with the rack 4, a worm wheel 37 is coaxially fixed on the lifting gear 27, a worm 26 is engaged with the worm wheel 37, a driving gear 20 is rotatably mounted on the transmission case 16, a driven gear 17 engaged with the driving gear 20 is rotatably mounted in the transmission case 16, and the driven gear 17 is coaxially fixed with the worm 26.

When the turning handle 18 is turned, the turning handle 18 can drive the driving gear 20 to rotate, the driving gear 20 can drive the driven gear 17 meshed with the driving gear to rotate, the driven gear 17 drives the worm 26 fixedly connected with the driven gear 17 to rotate, the worm wheel 37 can drive the lifting gear 27 to rotate, at the moment, the lifting gear 27 is meshed with the rack 4 for transmission, the transmission box 16 can vertically move relative to the upright post I2 under the guiding effect of the lifting sleeve 19, the height adjustment of the screw machine 5 is realized, and due to the automatic locking characteristic of the transmission matching of the worm wheel 37 and the worm 26, after the turning handle 18 is loosened by an operator, the height positions of the transmission box 16 and the screw machine 5 are automatically locked, the turning handle 18 does not need to be manually held to maintain the position of the screw machine 5, the arm fatigue of the operator is effectively reduced, and the screwing stability of a vehicle lamp shell is improved.

Wherein, be fixed with on the driving gear 20 and rotate the handle 18, the reference circle diameter of driving gear 20 is greater than the reference circle diameter of driven gear 17, driven gear 17 through the driving gear 20 drive minor diameter of major diameter is rotatory, make driven gear 17 obtain bigger rotational speed, when rotating handle 18 in a small scale, can make lifting gear 27 obtain bigger vertical stroke under the meshing effect of rack 4, conveniently rotate handle 18 more for nimble, conveniently adjust the height of screw machine 5 in order to adapt to the position of screw through rotating.

Install steering shaft 36 in the rotation on backup pad 1, the coaxial bearing disc 7 that is fixed with in steering shaft 36 top, slidable mounting has slip strip piece 10 on bearing disc 7, be fixed with slip frame 9 on the slip strip piece 10, be fixed with handheld frame 11 on the slip frame 9, slidable mounting has a pair of layer board 12 on the slip frame 9, all install a pair of locating component on every layer board 12, the layer board 12 that sets up on the slip frame 9 is used for supporting the car light lamp body, prescribe its position with the help of locating component, in order to guarantee to beat the stability of screw operation process.

And be provided with location sleeve 15 at screw machine 5 lower extreme, rotate on screw machine 5 and install a plurality of centre gripping arm 6, all install on every centre gripping arm 6 and support and push away the subassembly, all install on every supporting and pushing away the subassembly and be in location sleeve 15 support and push away voussoir 21. The pushing assembly comprises a traction spring 22 fixed with the clamping arm 6, one end, far away from the clamping arm 6, of the traction spring 22 is fixed with the screw machine 5, a sliding guide assembly is connected between the pushing wedge 21 and the clamping arm 6, the sliding guide assembly comprises a sliding groove 24 formed in the clamping arm 6, a pin 23 is installed in the sliding groove 24 in a sliding mode, a sliding column 25 is fixed on the pin 23 and connected with the clamping arm 6 in a sliding mode, and the sliding column 25 penetrates through the side wall of the positioning sleeve 15 along the radial sliding direction of the positioning sleeve 15 and is fixed with the pushing wedge 21.

Before screwing the car lamp shell, a proper screwdriver head is inserted into the screwing machine 5 through the positioning sleeve 15, and the screwing machine 5 in the prior art can drive the screwdriver head to rotate to screw after the screwdriver head and a screw are butted.

And in the process of inserting the screwdriver head into the positioning sleeve 15, the screwdriver head abuts against the pushing wedge block 21, the sliding column 25 can slide relative to the positioning sleeve 15, the sliding column 25 can slide relative to the clamping arm 6, and under the elastic traction action of the traction spring 22, the clamping arm 6 can clamp and limit the screwdriver head through the transmission pin column 23 and the sliding column 25 by the pushing wedge block 21, so that the stability in the butt joint installation process of the screwdriver head and the screw machine 5 is ensured, and the screwdriver head is not easy to fall off.

Example 2

Referring to fig. 1-8, based on embodiment 1, in addition, the positioning assembly of the apparatus includes a vertical column II38, a clamping frame 13 is slidably sleeved on the vertical column II38, a spring ring 28 is fixedly connected between the clamping frame 13 and the supporting plate 12, the clamping frame 13 is an L-shaped plate structure, and a trapezoidal rubber block 30 is fixed on one side of the clamping frame 13 facing the supporting plate 12. Two coaxially fixed threaded columns 29 with opposite thread turning directions are rotatably mounted on the sliding frame 9, the two threaded columns 29 are respectively in threaded connection with the two supporting plates 12, and a servo motor 14 for driving the threaded columns 29 to rotate is fixed on the sliding frame 9.

Through the setting, the car lamp casing of car is arranged in on layer board 12, it is rotatory through starting servo motor 14 drive screw thread post 29, two layer boards 12 of screw thread post 29 drive move in opposite directions, layer board 12 drives holding frame 13 and trapezoidal block rubber 30 through stand II38 this moment and slides, this moment, under the elastic traction effect of supporting pushing effect and spring coil 28 of trapezoidal block rubber 30, the realization is transversely and vertical centre gripping simultaneously to the car lamp casing and is injectd, need not carry out the centre gripping operation of two directions to the car lamp casing alone, promoted the centre gripping operation effect when having guaranteed car lamp casing stability.

In addition, a friction cylinder 32 which is in friction butt joint with the sliding frame 9 is slidably embedded on the sliding strip block 10, a butting spring I31 is fixed between the friction cylinder 32 and the sliding strip block 10, the arranged friction cylinder 32 is in friction butt joint with the sliding frame 9 under the butting action of the butting spring I31, the sliding frame 9 can be pulled to slide relative to the bearing plate 7 under the guiding action of the sliding strip block 10 through the handheld frame 11, the linear movement of the car lamp shell is realized, the car lamp shell can be positioned in real time under the friction action of the friction cylinder 32, the bearing plate 7 rotates relative to the support plate 1, the steering adjustment of the position of the car lamp shell is realized, the screw mounting position of the car lamp shell can be flexibly adjusted to vertically correspond to the screw machine 5, and the screwing operation of the car lamp shell by the screw machine 5 is greatly facilitated.

In addition, a positioning sleeve disc 8 sleeved on the steering shaft 36 is fixedly installed on the supporting plate 1, a pair of friction arc blocks 33 in friction contact with the side wall of the steering shaft 36 are arranged in the positioning sleeve disc 8, an extension column 34 fixed with the positioning sleeve disc 8 is installed on the friction arc blocks 33 in a sliding mode, and a pushing spring II35 is fixed between the friction arc blocks 33 and the positioning sleeve disc 8.

When bearing dish 7 and rotating, bearing dish 7 drives the relative positioning sleeve dish 8 rotation of steering shaft 36, pushes away spring II35 under the effect of pushing away towards the support at positioning sleeve dish 8 center for the friction arc piece 33 with 36 lateral walls friction butt of steering shaft, make have real-time location effect when bearing dish 7 steering adjustment operation, guaranteed car light casing position rotation regulation's stability.

In conclusion, the driving gear 20 and the driven gear 17 can be driven to carry out meshing transmission by rotating the rotating handle 18, the transmission box 16 can vertically slide relative to the upright post I2 under the transmission action of the worm 26, the worm wheel 37, the lifting gear 27 and the rack 4, so that the positioning sleeve 15 at the bottom of the screw machine 5 can realize flexible adjustment of the vertical height position, after the rotating handle 18 is loosened, the transmission box 16 cannot be displaced, the real-time positioning effect after the position adjustment of the screw machine 5 is realized, an operator does not need to hold to maintain the stability of the height position of the screw machine 5, the arm fatigue of the operator is effectively relieved, and the screwing stability and the operation quality of the lamp shell of the automobile lamp are ensured. According to the invention, the screwdriver head is inserted into the positioning sleeve 15 and connected with the screw machine 5, so that a good guiding and mounting effect on the screwdriver head is achieved, in the mounting process, the screwdriver head is pushed and slides against the pushing wedge blocks 21, under the action force of the clamping arm 6 towards the positioning sleeve 15, the rapid and stable positioning effect of the plurality of pushing wedge blocks 21 on the screwdriver head is achieved, the screwdriver head is stably and rapidly butted with the screw machine 5 in the replacing process of the screwdriver head, and the screwing efficiency of the lamp housing of the automobile lamp is greatly improved.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but not construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these changes and substitutions belong to the protection scope of the present invention. The protection scope of this technical solution patent should be subject to the appended claims.

Claims (9)

1. The utility model provides a screw device is beaten to car light casing, includes backup pad (1), vertically be fixed with stand I (2) on backup pad (1), vertical slidable mounting has lifting sleeve (19) on stand I (2), its characterized in that, be fixed with on lifting sleeve (19) transmission case (16), be fixed with screw machine (5) on transmission case (16), lifting gear (27) are installed to transmission case (16) internal rotation, vertical groove (3) have been seted up on stand I (2), be provided with in vertical groove (3) and fix rack (4) on stand I (2), lifting gear (27) with rack (4) meshing connection, coaxial worm wheel (37) that is fixed with on lifting gear (27), meshing connection has worm (26) on worm wheel (37), slidable mounting has steering shaft (36) on backup pad (1), and coaxial fixed with bearing dish (7) at steering shaft (36) top, slidable mounting has slide bar piece (10) on bearing dish (7), be fixed with slide bar piece (10) and have slide frame (9), slide frame (9) top is fixed with a pair of locating sleeve (12), every slide bar (5) is provided with the lower extreme on a pair of locating sleeve (12), a plurality of clamping arms (6) are rotatably mounted on the screw machine (5), each clamping arm (6) is provided with a pushing assembly, and each pushing assembly is provided with a pushing wedge block (21) in a positioning sleeve (15).

2. The automobile lamp shell screwing device according to claim 1, wherein a driving gear (20) is rotatably mounted on the transmission case (16), a driven gear (17) engaged with the driving gear (20) is rotatably mounted on the transmission case (16), and the driven gear (17) and the worm (26) are coaxially fixed.

3. The lamp housing screwing device for automobile lamps according to claim 2, wherein a rotation handle (18) is fixed on the driving gear (20), and the pitch circle diameter of the driving gear (20) is larger than that of the driven gear (17).

4. The vehicle lamp housing screwing device according to claim 1, wherein the pushing assembly comprises a traction spring (22) fixed with the clamping arm (6), one end of the traction spring (22) far away from the clamping arm (6) is fixed with the screwing machine (5), and a sliding guide assembly is connected between the pushing wedge block (21) and the clamping arm (6).

5. The automobile lamp shell screwing device according to claim 4, wherein the sliding guide assembly comprises a sliding groove (24) formed in the clamping arm (6), a pin (23) is slidably mounted in the sliding groove (24), a sliding column (25) is fixed on the pin (23) and slidably connected with the clamping arm (6), and the sliding column (25) penetrates through the side wall of the positioning sleeve (15) along the radial direction of the positioning sleeve (15) in a sliding manner and is fixed with the abutting and pushing wedge block (21).

6. The automobile lamp shell screwing device according to claim 1, wherein the positioning assembly comprises a vertical column II (38) vertically fixed, a clamping frame (13) is slidably sleeved on the vertical column II (38), a spring ring (28) is fixedly connected between the clamping frame (13) and the supporting plate (12), the clamping frame (13) is of an L-shaped plate-shaped structure, and a trapezoidal rubber block (30) is fixed on one side of the clamping frame (13) facing the supporting plate (12).

7. The vehicle lamp shell screwing device according to claim 6, wherein two coaxially fixed threaded columns (29) with opposite thread screwing directions are rotatably mounted on the sliding frame (9), the two threaded columns (29) are respectively in threaded connection with the two supporting plates (12), and a servo motor (14) for driving the threaded columns (29) to rotate is fixed on the sliding frame (9).

8. The vehicle lamp shell screwing device according to claim 1, wherein a friction cylinder (32) in friction abutment with the sliding frame (9) is slidably embedded on the sliding bar (10), and a push spring I (31) is fixed between the friction cylinder (32) and the sliding bar (10).

9. The automobile lamp shell screwing device according to claim 1, wherein a positioning sleeve disc (8) sleeved on the steering shaft (36) is fixedly mounted on the support plate (1), a pair of friction arc blocks (33) in friction butt joint with the side wall of the steering shaft (36) are arranged in the positioning sleeve disc (8), an extension column (34) fixed with the positioning sleeve disc (8) is slidably mounted on the friction arc blocks (33), and a butt-pushing spring II (35) is fixed between the friction arc blocks (33) and the positioning sleeve disc (8).

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