CN108750574B - Reducing support compacting and positioning device - Google Patents
Reducing support compacting and positioning device Download PDFInfo
- Publication number
- CN108750574B CN108750574B CN201811009428.7A CN201811009428A CN108750574B CN 108750574 B CN108750574 B CN 108750574B CN 201811009428 A CN201811009428 A CN 201811009428A CN 108750574 B CN108750574 B CN 108750574B
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- Prior art keywords
- turntable
- pin
- seat
- hook
- pressing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
Abstract
The invention discloses a reducing supporting, compacting and positioning device which comprises a reducing positioning pin mechanism and a compacting mechanism, wherein the reducing positioning pin mechanism comprises a plurality of pin claws, a turntable seat, a protective cover and a turntable power mechanism, the pin claws are connected with the turntable through the pin claw seat, the pin claws are uniformly distributed, the outer contours of the pin claws form positioning columns, the compacting mechanism comprises a pressing hook, a pressing hook seat and a pressing hook power mechanism, the top of the pressing hook is provided with a hook part, the hook part sequentially penetrates through central holes of the turntable seat and the turntable to be matched with the pin claws, and the pressing hook power mechanism comprises a power mounting seat, a first rack, a first gear, a worm wheel, a worm and a driving mechanism for driving the worm to rotate. The invention can adjust, position and compress the sizes of the positioning holes of the automobile bodies of different automobile types and the thickness of the automobile body stamping parts, saves cost, reduces resource waste, can compress the automobile body stamping parts with different thicknesses after the positioning columns are adjusted, increases the safety and stability of automobile body conveying, and avoids safety accidents.
Description
Technical Field
The invention relates to a reducing supporting, compacting and positioning device, and belongs to the technical field of automobile manufacturing equipment.
Background
In order to meet the diversified demands of automobile consumers, various automobile manufacturers continuously shorten the conversion period and accelerate the updating of automobile types. The automotive welding equipment thus tends to be functionally flexible. As a common conveying mode, rail trolley conveying is particularly important to meet the design of trolleys of more vehicle types. As shown in fig. 1, the diameter size of the positioning support pin is determined according to the positioning hole of the current vehicle type, and cannot be changed, so that once the positioning support pin of the track trolley is completed, the track trolley can only adapt to one vehicle type, and if the vehicle type is replaced, the positioning support pin with proper size is required to be manufactured again, so that different trolleys are developed according to different vehicle types, resources are wasted, the cost is increased, the occupied space is increased, and the track trolley is inconvenient to store; the existing car body is placed on the track trolley and is positioned only through the car body positioning hole and the positioning support pin on the track trolley in an inserting and assembling mode, once the car body is positioned, the car body is mainly supported on the track trolley by means of the gravity of the car body, the car body can be machined after positioning, when the track trolley is required to be conveyed, if the track trolley bumps in the conveying process, the track trolley conveys the car body in an unstable conveying mode, and safety accidents occur when the car body breaks away from the positioning support pin. Although the existing pressing mechanisms are also independent, the existing pressing mechanisms cannot be combined with positioning support pins, and support and pressing are respectively and independently installed, so that the positioning efficiency of the upper body of the rail trolley is affected; even if the existing pressing mechanism can be combined with the positioning support pin, the pressing mechanism adopts three-point collinear self-locking, can only press the thickness of a vehicle body stamping part of one vehicle type, is matched with the positioning support pin which can only support one vehicle type, and obviously cannot solve the pressing of the thickness of the vehicle body stamping parts of different vehicle types.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the reducing support compacting and positioning device which has a simple structure, is convenient to operate, can adapt to positioning of different vehicle types, and can compact stamping parts of a vehicle body during conveying of a track trolley.
The technical scheme for solving the technical problems is as follows: the utility model provides a reducing support compresses tightly positioner, includes reducing locating pin mechanism and hold-down mechanism, reducing locating pin mechanism includes a plurality of round pin claws, carousel seat, protection casing and is used for driving carousel pivoted carousel power unit, the round pin claw pass through the round pin claw seat with the carousel is connected, a plurality of round pin claw evenly distributed, a plurality of round pin claw's outline forms the reference column that is used for with automobile body locating hole looks adaptation, the carousel is located on the carousel seat, and rotate for the carousel, the protection casing sets up in the carousel outside, and with the carousel seat is connected, the upper surface of protection casing is equipped with a plurality of radial notch that are used for installing the round pin claw seat, be equipped with the carousel screw thread on the upper surface of carousel, the bottom of round pin claw seat be equipped with carousel screw thread matched with, under the carousel power unit effect, the carousel rotates the external diameter size of adjustment reference column.
The pressing mechanism comprises a pressing hook, a pressing hook seat and a pressing hook power mechanism, wherein the rotating disc seat is arranged on the pressing hook seat, a hook part is arranged at the top of the pressing hook, the hook part sequentially penetrates through central holes of the rotating disc seat and the rotating disc and is matched with the pin claw, the pressing hook power mechanism comprises a power installation seat, a first rack, a first gear, a worm wheel, a worm and a driving mechanism for driving the worm to rotate, the power installation seat is arranged on the pressing hook seat, the upper part of the pressing hook is hinged with the pin claw seat through a pair of synchronous connecting rods, the lower part of the pressing hook stretches into the pressing hook seat and is hinged with one end of a transmission connecting rod arranged in the pressing hook seat, the other end of the transmission connecting rod is hinged with the first rack, the first gear is meshed with the first rack, the first gear is arranged on a first gear shaft, and the worm wheel is arranged on the first gear shaft. The first rack, the first gear shaft and the shaft of the worm are respectively connected with the power installation seat through bearings or shaft sleeves.
The beneficial effects of the invention are as follows: the outer diameter of the positioning column formed by the plurality of pin claws is changed through rotation of the turntable, the turntable is in threaded connection with the pin claw seat, the turntable thread is arranged on the upper surface of the turntable, the pin seat thread matched with the turntable thread is arranged at the bottom of the pin claw seat, the thread has a self-locking function, once the pin claw is adjusted, the outer diameter of the positioning column is unchanged when the pin claw is subjected to external force, and the positioning hole of the vehicle body can be stably supported and positioned; the hook part of the press hook can retract into the pin claw under the action of the press hook power mechanism, so that the pin claw is not influenced to enter and exit the positioning hole of the vehicle body, and the positioning column and the positioning hole of the vehicle body are not hindered to be installed and positioned; the outer sides of the pin claws can be extended to press stamping parts of different thickness of different vehicle types. The rotary table rotates relative to the rotary table seat under the action of the rotary table power mechanism, the pin claw seat is connected with the rotary table through threads, the pin claw seat is arranged in a radial notch of the protective cover, and when the rotary table rotates, the pin claws move radially, so that the outer diameter of a positioning column formed by a plurality of pin claws is adjusted; the worm rotates under the action of the driving mechanism and transmits power to the worm wheel, the worm wheel is arranged on the first gear shaft so as to drive the first gear to rotate, the first rack is meshed with the first gear, the first gear is supported in the power mounting seat through a bearing or a shaft sleeve, so that the first rack moves up and down and drives the press hook to move up and down through a transmission connecting rod hinged with the first gear, the upper part of the press hook is connected with the pin claw seat through a synchronous connecting rod, so that the press hook moves upwards and moves inwards of the positioning column, the hook part retracts into the positioning column, or the press hook moves downwards and moves outwards of the positioning column, the hook part extends out of the positioning column, the loose state that the hook part of the press hook moves inwards of the pin claw and the compression state that the hook part extends outwards of the pin claw are realized, and the worm wheel and the worm have a self-locking function so that the press hook can be ensured to be stable and compressed; the outer diameter of the positioning column is adjusted by rotating the turntable, the pressing hook acts along with the pin claw, the hook part of the pin claw is retracted into the positioning column, the in-out matching of the positioning column and the vehicle body positioning hole is not influenced, and the installation of the positioning column formed by a plurality of pin claws and the vehicle body positioning hole is not hindered; after the outer diameter of the positioning column is adjusted, the automobile body positioning hole is assembled with the positioning column in an inserting way, the hook pressing power mechanism acts, the hook part stretches out of the outer side of the positioning column, and the automobile body stamping parts with different thicknesses are pressed. In a word, the invention has simple structure and convenient operation, can adjust the outer diameter of the positioning column according to the sizes of the vehicle body positioning holes of different vehicle types, can compress the vehicle body according to the thickness of the vehicle body stamping parts, is accurate in positioning, does not need to be provided with different supporting positioning pins of different vehicle types, even different rail trolleys, saves cost, reduces resource waste, is beneficial to storage of the rail trolleys, and meanwhile, the compression mechanism can not prevent the vehicle body positioning holes from entering and exiting the positioning column, and compresses the vehicle body stamping parts with different thicknesses through the compression mechanism after the vehicle body positioning holes and the positioning column are installed, thereby improving the safety and stability of vehicle body conveying and avoiding safety accidents.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the pair of synchronous connecting rods are sequentially connected with the hinge points of the pressing hooks and the pin claw seats to form a parallelogram structure.
The beneficial effect of adopting above-mentioned further scheme is that a pair of synchronous connecting rod shares four pin joints, and four pin joints line formation parallelogram structure in proper order to realize pressing the two kinds of action states of the unclamping indentation pin claw of hook and compressing tightly and stretching out the pin claw.
Further, the hook part is provided with a hook part sliding groove matched with the pin claw.
The adoption of the further scheme has the beneficial effects that the hook part clamping groove corresponds to the clamping of the pin claw, has a guiding function, and simultaneously, when the hook part of the pressing hook extends out of the outer side of the pin claw, the hook parts respectively extend out of two sides of the pin claw, so that the positioning is accurate, and the pressing is more powerful.
Further, a connecting rod mounting plate is arranged on the inner side of the pin claw seat matched with the press hook.
The beneficial effect of adopting above-mentioned further scheme is, a plurality of round pin claws want to realize different reference column external diameters, so the connecting rod mounting panel only set up the inboard with press hook complex round pin claw, avoid influencing the adjustment of reference column external diameter promptly, realize synchronous connecting rod's installation simultaneously.
Furthermore, the connecting rod mounting plate and the upper part of the pressing hook are respectively provided with a synchronous connecting rod mounting hole which is used for being respectively hinged with a pair of synchronous connecting rods.
The technical scheme has the beneficial effects that the synchronous connecting rods are installed, and a pair of specific synchronous connecting rods can be installed on the synchronous connecting rod installation holes through the hinge pins respectively.
Further, a transmission connecting rod mounting hole used for being hinged with the transmission connecting rod is formed in the lower portion of the pressing hook.
The transmission connecting rod has the beneficial effects that the transmission connecting rod is convenient to install, and the specific transmission connecting rod can be installed on the transmission connecting rod installation hole through the pin shaft.
Further, the pin claw seat comprises a vertical supporting portion and a horizontal connecting portion, the pin claw is mounted on the inner side of the vertical supporting portion, the top of the vertical supporting portion is of a plane structure, grooves matched with the radial notch are formed in two sides of the horizontal connecting portion, the cross section of the horizontal connecting portion is of an I-shaped structure, and the pin seat threads are arranged on the bottom of the horizontal connecting portion.
The protective cover forming the radial notch is clamped with the groove of the horizontal connecting part, the longitudinal section of the horizontal connecting part is in an I-shaped structure, the upper part and the lower part of the horizontal connecting part limit the movement of the pin claw seat in the radial notch, the connection with the protective cover is ensured, the pin claw seat is simultaneously and radially moved along the radial notch direction of the protective cover, the lower part of the horizontal connecting part not only has a limiting effect, but also has pin seat threads matched with the turntable threads on the upper surface of the turntable, and the rotary motion of the turntable is converted into the radial motion of the pin claw.
Further, the turntable is connected with the turntable seat through a bearing or an oil-free bushing.
The rotary table is connected with the mounting seat through the bearing, and can be connected through the oil-free bushing, so that the rotary table and the mounting seat can move relatively, the rotary part is made of wear-resistant materials, high transmission stability is guaranteed, position accuracy is guaranteed, the rotary table is prolonged, the service life of the rotary table is prolonged, and the maintenance cost is low.
Further, the driving mechanism comprises a driving cylinder, a second rack is arranged on a piston rod of the driving cylinder, a second gear is arranged on a rod shaft of the worm, and the second rack is meshed with the second gear.
The driving cylinder has the beneficial effects that the cylinder body of the driving cylinder is arranged on the power mounting seat, and the second rack is connected with the power mounting seat through a bearing or a shaft sleeve. The power of the driving cylinder is transmitted to the worm through the arrangement of the second rack and the second gear, so that the worm obtains rotating power.
Further, the driving mechanism comprises a servo motor, and an output shaft of the servo motor is connected with a rod shaft of the worm.
The servo motor is arranged on the power installation seat. The worm is directly installed on the output shaft of servo motor, and servo motor rotates, drives the worm and rotates, and the worm obtains power more directly. Meanwhile, the servo motor also has a self-locking function and is matched with the self-locking capability of the worm gear, so that the pressing hook can be ensured to be in a stable pressing state.
Further, the turntable power mechanism comprises a turntable gear, a turntable transmission gear and a turntable motor, wherein the turntable motor is arranged on the turntable seat, the turntable transmission gear is arranged on an output shaft of the turntable motor, the turntable gear is arranged on the outer circumferential surface of the turntable, and the turntable gear is meshed with the turntable transmission gear.
The beneficial effect of adopting above-mentioned further scheme is, because hold-down mechanism sets up in the below of carousel, so in order to better drive carousel rotation, so set up the carousel gear at the surface of carousel, carousel gear and carousel drive gear meshing, the carousel realizes rotating under the effect of carousel motor.
Further, a gear protection cover is arranged on the outer side of the turntable transmission gear.
The technical scheme has the beneficial effects that the protective cover is arranged on the shell of the turntable motor and is used for protecting the transmission gear and the meshing position of the turntable gear and the turntable transmission gear, so that welding slag is prevented from entering the power mechanism, and the action and the service life of the power mechanism are prevented from being influenced.
Further, the mounting seat is provided with a mounting bracket.
The beneficial effect of adopting above-mentioned further scheme is, conveniently installs this positioner on the track platform truck.
Drawings
Fig. 1 is a schematic front view of embodiment 1 of the present invention;
FIG. 2 is a schematic left-view diagram of embodiment 1 of the present invention;
FIG. 3 is a schematic top view of embodiment 1 of the present invention;
FIG. 4 is a schematic view of an opening power mount according to embodiment 1 of the present invention;
FIG. 5 is a schematic diagram of a power structure of a press hook according to embodiment 1 of the present invention;
fig. 6 is a schematic structural view of an opening hook base according to embodiment 1 of the present invention;
fig. 7 is a schematic view showing a front view of the press hook in a released state according to embodiment 1 of the present invention;
fig. 8 is a schematic top view of the press hook in the released state of embodiment 1 of the present invention;
fig. 9 is a schematic view showing a left-hand construction of the unhooked state of embodiment 1 of the present invention;
FIG. 10 is a schematic view of a compressing mechanism according to embodiment 1 of the present invention;
FIG. 11 is a schematic view showing the structure of a hook pressing power mechanism according to embodiment 1 of the present invention;
FIG. 12 is a schematic perspective view of a latch of the present invention;
FIG. 13 is a schematic view of the front view of the latch of the present invention;
FIG. 14 is a schematic top view of the latch of the present invention;
FIG. 15 is a schematic view of the structure of the press hook of the present invention;
FIG. 16 is a schematic view of a turntable according to the present invention;
FIG. 17 is a schematic view of the structure of the turntable of the present invention with oil-free bushings installed;
FIG. 18 is a schematic view of a turntable assembly according to the present invention;
FIG. 19 is a schematic diagram of the front view of the protective cover of the present invention;
FIG. 20 is a schematic left-hand view of the shield of the present invention;
FIG. 21 is a schematic view showing the structure of the upper part of the press hook base of the present invention;
FIG. 22 is a schematic view of the lower part of the press hook base of the present invention;
FIG. 23 is a schematic view of a power mount of the present invention;
FIG. 24 is a schematic front view of a stamping part for pressing a model car body according to embodiment 1 of the present invention;
FIG. 25 is a schematic top view of a stamping part for pressing a model car body according to embodiment 1 of the present invention;
FIG. 26 is a schematic diagram showing a left-hand construction of embodiment 1 of the present invention for pressing a model body stamping;
FIG. 27 is a schematic front view showing a structure for pressing a stamping part of another type of vehicle body according to embodiment 1 of the present invention;
FIG. 28 is a schematic right-side view of a stamping part for pressing another type of body according to embodiment 1 of the present invention;
fig. 29 is a schematic diagram showing the front view structure of embodiment 2 of the present invention;
FIG. 30 is a schematic top view of embodiment 2 of the present invention;
FIG. 31 is a schematic left-hand view of embodiment 2 of the present invention;
in the figure, 1, a pin claw; 2. a turntable; 3. a turntable seat; 4. a protective cover; 5. a pin claw seat; 51. a vertical support portion; 52. a horizontal connection portion; 53. a groove; 6. a radial slot; 7. rotating disc threads; 8. pin seat threads; 9. pressing a hook; 10. a hook pressing seat; 11. a driving cylinder; 12. a hook portion; 13. a synchronous connecting rod; 14. a transmission link; 15. a hook portion chute; 16. a connecting rod mounting plate; 17. a synchronous connecting rod mounting hole; 18. a drive link mounting hole; 19. a turntable motor; 20. a turntable transmission gear; 21. a turntable gear; 22. a gear protection cover; 23. a mounting bracket; 24. stamping a vehicle body; 30. an oilless bushing; 31. a power mounting seat; 32. a first rack; 33. a first gear; 34. a worm wheel; 35. a worm; 36. a first gear shaft; 37. a second rack; 38. a second gear; 39. a servo motor.
Detailed Description
The principles and features of the present invention are described below in connection with examples, which are set forth only to illustrate the present invention and not to limit the scope of the invention.
1, as shown in fig. 1-28, a reducing supporting and compacting positioning device comprises a reducing positioning pin mechanism and a compacting mechanism, wherein the reducing positioning pin mechanism comprises a plurality of pin claws 1, a turntable 2, a turntable seat 3, a protection cover 4 and a turntable power mechanism for driving the turntable to rotate, the pin claws are connected with the turntable through pin claw seats 5, the pin claws are uniformly distributed, the outer contours of the pin claws form positioning columns which are matched with positioning holes of a vehicle body, the tops of the pin claw seats form positioning supporting surfaces for supporting the vehicle body, the turntable is arranged on the turntable seat and rotates relative to the turntable, the protection cover is arranged on the outer side of the turntable and is connected with the turntable seat, the upper surface of the protection cover is provided with a plurality of radial notches 6 for installing the pin claw seats, the upper surface of the turntable is provided with turntable threads 7, the bottoms of the pin claw seats are provided with pin seat threads 8 which are matched with the turntable threads, and under the action of the turntable power mechanism, the outer diameter of the positioning columns are rotationally adjusted.
The pressing mechanism comprises a pressing 9 hook, a pressing hook seat 10 and a pressing hook power mechanism, the rotating disc seat 3 is installed on the pressing hook seat 10, a hook portion 12 is arranged at the top of the pressing hook, the hook portion sequentially penetrates through central holes of the rotating disc seat and the rotating disc to be matched with the pin claw, the pressing hook power mechanism comprises a power installation seat 31, a first rack 32 arranged on the power installation seat, a first gear 33, a worm wheel 34, a worm 35 and a driving mechanism for driving the worm to rotate, the power installation seat is installed on the pressing hook seat, the upper portion of the pressing hook is hinged with the pin claw seat 5 through a pair of synchronous connecting rods 13, the lower portion of the pressing hook stretches into the pressing hook seat and is hinged with one end of a transmission connecting rod 14 arranged in the pressing hook seat, the other end of the transmission connecting rod is hinged with the first rack 32, the first gear 33 is meshed with the first rack 32, the first gear is installed on a first gear shaft 36, and the worm wheel gear shaft 34 is arranged on the first gear shaft. Under the action of the pressing hook power mechanism, the hook part of the pressing hook is loosened or pressed. The first rack, the first gear shaft and the shaft of the worm are respectively connected with the power installation seat through bearings or shaft sleeves.
The hook 12 is provided with a hook chute 15 cooperating with the pin claw. The hook part clamping groove corresponds to the pin claw in a clamping manner, has a guiding effect, and simultaneously, when the hook part of the pressing hook extends out of the pin claw, the hook part extends out of two sides of the pin claw respectively, so that the positioning is accurate, and the pressing is more powerful.
The pair of synchronous connecting rods 13 are sequentially connected with the hinge points of the pressing hooks 9 and the pin claw seats 5 to form a parallelogram structure. The pair of synchronous connecting rods share four hinging points, and the four hinging points are sequentially connected to form a parallelogram structure, so that actions of loosening and retracting the pin claw and compressing and extending out of the pin claw of the pressing hook are realized.
And a connecting rod mounting plate 16 is arranged on the inner side of the pin claw seat 5 matched with the press hook. The plurality of pin claws are required to realize different outer diameters of the positioning columns, so that the connecting rod mounting plate is only arranged on the inner sides of the pin claws matched with the press hooks, namely, the adjustment of the outer diameters of the positioning columns is prevented from being influenced, and the synchronous connecting rod is mounted.
The link mounting plate 16 is provided with link mounting holes 17 for hinging with the pair of synchronizing links 13, respectively.
The upper part of the press hook 9 is provided with link mounting holes 17 for hinging with a pair of synchronous links 13 respectively. The installation of the synchronous connecting rods is realized, and a specific pair of synchronous connecting rods can be respectively installed on the synchronous connecting rod installation holes through the hinge pins.
The lower part of the press hook is provided with a transmission link mounting hole 18 for hinging with the transmission link. The transmission connecting rod is convenient to install, and the specific transmission connecting rod 14 can be installed on the transmission connecting rod installation hole through a pin shaft.
The pin claw seat 5 comprises a vertical supporting portion 51 and a horizontal connecting portion 52, the pin claw is mounted on the inner side of the vertical supporting portion, the top of the vertical supporting portion is of a plane structure, a plurality of plane structures form a positioning supporting surface for supporting a vehicle body, grooves 53 matched with the radial notch are formed in two sides of the horizontal connecting portion, the cross section of the horizontal connecting portion is of an I-shaped structure, and threads of the pin claw seat are arranged at the bottom of the horizontal connecting portion. The protection casing that forms radial notch and the recess block of horizontal connecting portion, the longitudinal section of horizontal connecting portion is I shape structure, and its upper portion and lower part are all spacing to the activity of round pin claw seat in radial notch, have both guaranteed the connection with the protection casing, satisfy round pin claw seat simultaneously and do radial movement along the radial notch direction of protection casing again, and the lower part of horizontal connecting portion not only has spacing effect, and the lower surface has the round pin seat screw thread with carousel screw thread complex of carousel upper surface in addition, with the rotary motion of carousel turn into the radial movement of round pin claw.
The turntable is connected to the turntable base by means of bearings or oil free bushings 30. The carousel and mount pad accessible bearing connection also can be through oilless bush connection to realize the relative motion of carousel and mount pad, rotatory position uses wear-resisting material, has guaranteed that the transmission is high steady, has guaranteed the position accuracy, increases the carousel and installs at life, and maintenance cost is low.
The driving mechanism comprises a driving cylinder 11, a piston rod of the driving cylinder is provided with a second rack 37, a rod shaft of the worm is provided with a second gear 38, and the second rack is meshed with the second gear. The cylinder body of the driving cylinder is arranged on the power mounting seat, and the second rack is connected with the power mounting seat through a bearing or a shaft sleeve. The power of the driving cylinder is transmitted to the worm through the arrangement of the second rack and the second gear, so that the worm obtains rotating power.
The turntable power mechanism comprises a turntable gear 21, a turntable transmission gear 20 and a turntable motor 19, wherein the turntable motor is arranged on the turntable seat, the turntable transmission gear is arranged on an output shaft of the turntable motor, the turntable gear is arranged on the outer circumferential surface of the turntable, and the turntable gear is meshed with the turntable transmission gear. Because hold-down mechanism sets up in the below of carousel, so in order to better drive carousel rotation, so set up the carousel gear at the surface of carousel, carousel gear and carousel drive gear meshing, the carousel realizes rotating under the effect of carousel motor.
The outer side of the turntable transmission gear is provided with a gear protection cover 22. The protective cover is arranged on the shell of the turntable motor and used for protecting the transmission gear and the meshing position of the turntable gear and the turntable transmission gear, so that welding slag is prevented from entering the power mechanism, and the action and the service life of the power mechanism are prevented from being influenced.
The mounting seat is provided with a mounting bracket 23. The positioning device is convenient to install on the track trolley.
As shown in fig. 19 and 20, 6 radial notches are formed in the protective cover, and 6 corresponding pins 1 are formed. A movable space is reserved for the hook part of the press hook. The existing integral cylindrical pin is divided into a plurality of pin claws, the surface contact of the integral cylindrical pin is changed into the point contact of the pin claws, the point contact has the supporting and positioning effects of the surface contact, the pin claws can adjust the outer diameters of positioning columns formed by the outer contours of the pin claws so as to be suitable for vehicle body positioning holes with different inner diameters, and after the pin claws are adjusted and positioned to support the vehicle body positioning holes, gaps are reserved between the adjacent pin claws, so that the pressing hooks of the pressing mechanism extend out to press the vehicle body stamping parts.
The turntable motor acts, the turntable transmission gear is meshed with the turntable gear, so that the turntable gear is driven to rotate, the turntable rotates relative to the turntable seat, the bottom of the pin claw seat is in threaded connection with the upper surface of the turntable, the pin claw seat is arranged in a radial notch of the protective cover, the turntable rotates and is converted into radial movement of the pin claw along the radial notch direction, and therefore the outer diameter of the positioning column formed by the pin claws is adjusted. When the outer diameter of the positioning column is adjusted to be matched with the positioning hole of the automobile body, the positioning hole of the automobile body is inserted and assembled with the positioning column formed by the pin claw, so that the automobile body can be positioned and all parts of the automobile body can be processed.
As shown in FIG. 7, when the outer diameters of a plurality of pin claws are adjusted, the pressing hooks are connected with one pin claw through a pair of synchronous connecting rods, so that the pressing hooks synchronously act along with the pin claws, the turntable servo motor acts, the driving cylinder also acts, the turntable motor acts, the turntable rotates, the pin claws are adjusted to move radially, after the pin claws are in place, namely after the positioning column reaches the correct outer diameter, the turntable servo motor stops rotating and is self-locked, at the moment, the hook parts of the pressing hooks are in the positioning column formed by the pin claws, the in-out matching of the positioning column and the positioning hole of the vehicle body is not influenced, and the installation of the positioning column formed by the pin claws and the positioning hole of the vehicle body is not hindered.
As shown in fig. 24 to 26, the inner diameter of the body positioning hole for positioning the body is 24mm, and the thickness of the body pressing is 1.5 mm.
As shown in fig. 27 and 28, the hole diameter of the body positioning hole to be positioned for the body is 16mm, and the thickness of the body pressing is 1 mm.
After the positioning columns formed by the pin claws and the positioning holes of the vehicle body are positioned, the driving cylinder continuously acts, power is transmitted to the first rack through the second rack, the second gear, the worm wheel and the first gear, the first rack moves downwards, the transmission connecting rod moves downwards, the pressing hooks move downwards along with the transmission connecting rod, under the action of the pair of synchronous connecting rods, the pressing hooks move outwards while moving downwards, the hook parts of the pressing hooks extend out of the positioning columns formed by the pin claws and are pressed on the stamping parts of the vehicle body with different thicknesses around the positioning holes of the vehicle body downwards, and the hook parts of the pressing hooks can be pressed on the stamping parts 24 of the vehicle body, so that the safety of conveying the vehicle body is improved.
The pressing mechanism adjusts and presses according to the thickness of the stamping parts of the automobile body around the positioning holes of the automobile body to be processed, in the adjustment process of the reducing positioning pins, the turntable motor acts, the turntable rotates, the pin claw radially acts, meanwhile, the driving cylinder acts, the pressing hook acts along with the pin claw seat through the synchronous connecting rod, after the outer diameter of the positioning column is adjusted to be matched with the positioning holes of the automobile body, the turntable stops rotating and is self-locked under the action of the turntable motor adopting the servo motor, the positioning holes of the automobile body in white fall on the positioning column formed by the pin claws, the driving cylinder acts, the driving connecting rod drives the pressing hook to move downwards, and the pressing hook is connected with the pin claw seat through the synchronous connecting rod, so that the pressing hook moves downwards and acts outwards to the pin claw, the pressing hook is adjusted to the corresponding position with the thickness of the automobile body stamping parts through the driving cylinder, the hook part of the pressing hook is pressed on the automobile body stamping parts around the positioning holes of the automobile body after the outer diameter of the positioning column formed by the pin claws is matched with the automobile body positioning holes.
When the automatic stamping device is specifically used, a rail trolley moves to a workpiece loading station, firstly, the vehicle body of the rail trolley to be loaded is identified, the diameter of a positioning hole of the vehicle and the thickness of a stamping part are confirmed, the information is transmitted to a control system, the control system compares and analyzes the information with the current state to determine the action direction of a motor and a cylinder, then the servo motor and the cylinder work simultaneously, the action direction of a pin claw and a pressing hook is consistent, the pin claw is driven to move radially through the rotation of a turntable gear turntable, after the position of the right diameter is reached, the turntable servo motor stops rotating and self-locks, then the positioning hole of the white vehicle body is located on a positioning column formed by a plurality of pin claws on the rail trolley, the upper surface of a pin seat is used as a positioning supporting surface, after the positioning hole is located, the cylinder is driven to act, a cylinder rod is driven to drive a second rack to move horizontally, the second rack is meshed with a second gear, the second gear is rotated, the worm is coaxial with a worm, the worm is meshed with the worm, the first gear is coaxial with the first gear, the first gear is driven to move vertically downwards, the first rack is driven to drive the transmission hook to move, and the pressing hook is driven to press the pressing hook to move on the different vehicle type supporting surfaces according to the thickness of the connecting rod. And a plurality of in-place electromagnetic switches are arranged on the driving cylinder. The method comprises the steps that a plurality of in-place electromagnetic switches correspond to different vehicle types in thickness respectively, after the hook parts of a pressing hook are pressed in place, the corresponding electromagnetic switches send signals to a control system, the control system feeds back signals to a driving cylinder to stop moving, at the moment, the driving cylinder tightly presses a stamping part on a positioning support surface, then a rail trolley is powered off and air-break starts to walk, self-locking of a worm gear and a worm gear is utilized during the power-off and air-break, the hook parts of the pressing hook after the air cylinder is powered off always press the stamping part, the rail trolley starts to walk on each station, corresponding welding spots are sequentially formed at different stations, after welding of all welding stations is finished, the rail trolley reaches a lower workpiece station, a turntable servo motor is electrified, the driving cylinder is ventilated, the driving cylinder is driven to operate, the pressing hook stretches into the inside of a positioning column formed by a pin claw through a gear rack, a worm gear and a double connecting rod, then a white vehicle body can be separated from the rail trolley, the rail trolley continues to walk to an upper workpiece, vehicle type identification information is waited, the aperture of a vehicle body positioning hole and thickness information of the stamping part are waited, the vehicle type to finish the processing of the vehicle type to be processed according to the positioning and the vehicle type to be processed. The cylinder driving price is low, the market value is high, and the popularization and the application of the device are facilitated.
In embodiment 2, as shown in fig. 29 to 31, the driving mechanism includes a servo motor 39, and an output shaft of the servo motor is connected to a shaft of the worm. The servo motor is arranged on the power installation seat. The worm is directly installed on the output shaft of servo motor, and servo motor rotates, drives the worm and rotates, and the worm obtains power more directly. Meanwhile, the servo motor also has a self-locking function, and the self-locking capability of the worm gear is matched, so that the stable pressing state of the pressing hook can be ensured.
The servo motor and the turntable motor act simultaneously in the diameter changing process, the pressing hook synchronously acts along with the pin claw, the pressing hook is consistent with the pin claw in the action direction, after the pin claw reaches the correct diameter position, the turntable motor stops rotating and self-locks, the car body is placed on the positioning column, the servo motor continues to act, the worm rotates, the worm is meshed with the worm wheel, the worm wheel is coaxial with the first gear, the first gear rotates and drives the first rack to move downwards, the pressing hook is driven to act downwards through the transmission connecting rod, under the action of the synchronous connecting rod, the control system controls the rotation angle and rotation time of the servo motor according to the detected car model, the servo motor tightly presses the pressing part of the pressing hook on the positioning support surface according to the signal, after the pressing part of the pressing hook is pressed in place, the servo motor stops rotating and self-locks, then the track trolley starts to walk, the servo motor and the worm wheel self-locks utilized during the outage, and the pressing part of the pressing hook always presses the pressing part of the pressing hook.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The variable-diameter supporting, compacting and positioning device is characterized by comprising a variable-diameter positioning pin mechanism and a compacting mechanism, wherein the variable-diameter positioning pin mechanism comprises a plurality of pin claws, a turntable seat, a protective cover and a turntable power mechanism for driving the turntable to rotate, the pin claws are connected with the turntable through the pin claw seats, the pin claws are uniformly distributed, the outer contours of the pin claws form positioning columns which are used for being matched with positioning holes of a vehicle body, the turntable is arranged on the turntable seat and rotates relative to the turntable, the protective cover is arranged on the outer side of the turntable and is connected with the turntable seat, a plurality of radial notches for installing the pin claw seats are formed in the upper surface of the protective cover, turntable threads are formed in the upper surface of the turntable, pin seat threads matched with the turntable threads are formed in the bottom of the pin claw seats, and the turntable rotates to adjust the outer diameter of the positioning columns under the action of the turntable power mechanism.
The pressing mechanism comprises a pressing hook, a pressing hook seat and a pressing hook power mechanism, wherein the rotating disc seat is arranged on the pressing hook seat, a hook part is arranged at the top of the pressing hook, the hook part sequentially penetrates through central holes of the rotating disc seat and the rotating disc and is matched with the pin claw, the pressing hook power mechanism comprises a power installation seat, a first rack, a first gear, a worm wheel, a worm and a driving mechanism for driving the worm to rotate, the power installation seat is arranged on the pressing hook seat, the upper part of the pressing hook is hinged with the pin claw seat through a pair of synchronous connecting rods, the lower part of the pressing hook stretches into the pressing hook seat and is hinged with one end of a transmission connecting rod arranged in the pressing hook seat, the other end of the transmission connecting rod is hinged with the first rack, the first gear is meshed with the first rack, the first gear is arranged on a first gear shaft, and the worm wheel is arranged on the first gear shaft.
2. The variable diameter support compressing and positioning device according to claim 1, wherein a pair of the synchronous connecting rods are sequentially connected with the hinge points of the pressing hooks and the pin claw seats to form a parallelogram structure.
3. The variable diameter support compressing and positioning device as claimed in claim 1 or 2, wherein the hook is provided with a hook chute which is matched with the pin claw.
4. The variable diameter support compressing and positioning device as recited in claim 1, wherein a connecting rod mounting plate is arranged on the inner side of the pin claw seat matched with the compressing hook.
5. The variable diameter support pressing positioning device according to claim 4, wherein the connecting rod mounting plate and the upper portion of the pressing hook are provided with a synchronizing connecting rod mounting hole for hinging with a pair of synchronizing connecting rods respectively.
6. The reducing support compacting and positioning device according to claim 1, wherein the pin claw seat comprises a vertical supporting portion and a horizontal connecting portion, the pin claw is mounted on the inner side of the vertical supporting portion, grooves matched with the radial notches are formed in two sides of the horizontal connecting portion, the cross section of the horizontal connecting portion is in an I-shaped structure, and the pin seat threads are arranged at the bottom of the horizontal connecting portion.
7. The variable diameter support compaction positioning apparatus according to claim 1, wherein the turntable is connected to the turntable base by a bearing or an oilless bushing.
8. The variable diameter support compressing and positioning device according to claim 1, wherein the driving mechanism comprises a driving cylinder, a second rack is arranged on a piston rod of the driving cylinder, a second gear is arranged on a rod shaft of the worm, and the second rack is meshed with the second gear.
9. The variable diameter support compaction positioning apparatus according to claim 1, wherein the driving mechanism comprises a servo motor, and an output shaft of the servo motor is connected with a shaft of the worm.
10. The variable diameter support compacting positioning device of claim 1, wherein the turntable power mechanism comprises a turntable gear, a turntable transmission gear and a turntable motor, the turntable motor is mounted on the turntable seat, the turntable transmission gear is arranged on an output shaft of the turntable motor, the turntable gear is arranged on an outer circumferential surface of the turntable, and the turntable gear is meshed with the turntable transmission gear.
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| CN201811009428.7A CN108750574B (en) | 2018-08-31 | 2018-08-31 | Reducing support compacting and positioning device |
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| CN201811009428.7A CN108750574B (en) | 2018-08-31 | 2018-08-31 | Reducing support compacting and positioning device |
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| CN112282800B (en) * | 2020-10-12 | 2022-12-20 | 湖北三峡职业技术学院 | Rail holding type locking device of tunnel steel mould trolley and operation method |
| CN114734289B (en) * | 2022-06-13 | 2022-08-26 | 冰轮环境技术股份有限公司 | Mechanical self-adaptive clamp |
| CN116106336B (en) * | 2023-04-13 | 2023-06-09 | 河北亿海管道集团有限公司 | Pipe fitting radiographic inspection equipment |
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