CN108792491B - Diameter-variable telescopic compaction supporting and positioning device - Google Patents
Diameter-variable telescopic compaction supporting and positioning device Download PDFInfo
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- CN108792491B CN108792491B CN201811009233.2A CN201811009233A CN108792491B CN 108792491 B CN108792491 B CN 108792491B CN 201811009233 A CN201811009233 A CN 201811009233A CN 108792491 B CN108792491 B CN 108792491B
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- pressing
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- 238000005056 compaction Methods 0.000 title claims description 8
- 210000000078 claw Anatomy 0.000 claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims description 129
- 230000005540 biological transmission Effects 0.000 claims description 33
- 230000001681 protective effect Effects 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 8
- 230000000670 limiting effect Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a diameter-variable telescopic compression supporting and positioning device, which comprises a diameter-variable positioning pin mechanism and a compression mechanism, wherein the diameter-variable 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, the pin claws are uniformly distributed, the outer contours of the pin claws form positioning columns, the compression mechanism comprises a compression hook, a compression hook seat, a guide block and a compression hook power mechanism, the top of the compression hook is provided with a hook part, the bottom of the compression hook is provided with a roller, the compression hook is provided with a sliding key inclined hole, the guide block is provided with a roller inclined long hole, the turntable seat is arranged on the compression hook seat, the guide block is slidably arranged on the compression hook seat, and the compression hook power mechanism acts on the guide block to reciprocate on the compression hook seat. The invention can adjust the outer diameter of the positioning column according to the sizes of the positioning holes of the car bodies of different car types, saves cost, reduces resource waste, can compress car body stamping parts with different thicknesses when the car bodies are conveyed by the track trolley, increases the safety and stability of car body conveying, and avoids safety accidents.
Description
Technical Field
The invention relates to a diameter-variable telescopic compaction supporting 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 holes and the positioning support pins 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 is transferred among stations in a transferring process, if the track trolley bumps in a conveying process, the track trolley conveys the car body to have the unstable conveying condition, and the car body is separated from the positioning support pins at risk to have a safety accident. 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 diameter-variable telescopic compression supporting and positioning device which is simple in structure and convenient to operate, can adapt to positioning of different vehicle types, and can compress stamping parts of a vehicle body when the rail trolley is conveyed.
The technical scheme for solving the technical problems is as follows: the utility model provides a diameter variable flexible support positioner that compresses tightly, 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, a plurality of round pin claw seat's top forms the locating plane that is used for supporting the automobile body, the protection casing sets up in the carousel outside, and with the carousel seat connection, 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, a sliding key, a guide block and a pressing hook power mechanism, wherein a hook part is arranged at the top of the pressing hook, a hook part sliding groove matched with a pin claw is arranged on the hook part, the hook part penetrates through a through hole in the middle of the rotating disc to be matched with the pin shaft, the sliding key is arranged on the pin claw matched with the hook part, a sliding key inclined hole is arranged on the pressing hook, the sliding key is movable in the sliding key inclined hole, a roller is arranged at the bottom of the pressing hook, an inclined long hole of the roller is arranged on the guide block, the roller moves in the inclined long hole of the roller, the rotating disc seat is arranged on the pressing hook seat, and the guide block is slidably arranged on the pressing hook seat and slides on the pressing hook seat under the action of the pressing hook power mechanism to adjust the pressing thickness of the hook part.
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 threads have a self-locking function, once the positioning column is adjusted, the outer diameter of the positioning column is unchanged when the pin claws are subjected to external force, and the positioning hole of the vehicle body can be stably supported and positioned; under the action of the pressing hook power mechanism, the hook part of the pressing hook can extend out of the pin claw according to the automobile body stamping parts with different thicknesses to press the automobile body stamping parts with different thicknesses, so that the safety of automobile body conveying is improved, and the pressing hook can also retract into the pin claw without influencing the pin claw to enter and exit the automobile body positioning hole. The bottom of the pressing hook moves in the inclined long hole of the roller through the roller, so that the service life of the pressing hook is prolonged; the middle part of the turntable is provided with holes, so that the pressing hook acts in the pressing hook to press the hook parts to different thicknesses, and space is saved. In a word, the invention has simple structure and convenient operation, can correspondingly adjust the outer diameter of the positioning column and the compression of the compression hook according to the aperture of the vehicle body positioning hole and the thickness of the vehicle body stamping part of different vehicle types, has accurate positioning, does not need to be provided with different support positioning pins and even different rail trolleys of different vehicle types, saves cost, reduces resource waste, is beneficial to the storage of the rail trolleys, does not prevent the vehicle body positioning hole from entering and exiting the positioning column, can compress the vehicle body stamping part when the positioning column is matched with the vehicle body positioning hole, increases the safety and stability of vehicle body conveying, and avoids safety accidents.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the turntable power mechanism comprises a turntable gear, a turntable transmission gear and a turntable servo motor, wherein the turntable servo motor is installed on the turntable seat, the turntable transmission gear is arranged on an output shaft of the turntable servo 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 servo motor.
Further, a limiting boss is arranged on the guide block in the press hook seat.
The adoption of the further scheme has the beneficial effects that under the action of the pressing hook power mechanism, the guide block slides on the pressing hook seat so as to adjust the pressing hook part to press the stamping parts of the vehicle bodies with different thicknesses, the limiting boss protrudes out of the upper surface of the guide block, the guide block is matched with the notch on the pressing hook seat, and the limiting boss is higher than the notches on the two sides, so that the movable range of the guide block on the pressing hook seat is limited.
Further, the press hook seat is provided with a notch for supporting two ends of the guide block.
The beneficial effect of adopting above-mentioned further scheme is, presses the symmetry to set up the notch on the hook seat, and the both ends of guide block are supported respectively on the notch, and through the notch to leading to support, the guide block can be at the notch reciprocating motion on pressing the hook seat.
Further, a sliding sleeve is arranged on the pressing hook seat, and the sliding sleeve is correspondingly arranged at the notch position.
The adoption of the further scheme has the beneficial effects that the guide block and the notch are rubbed in a reciprocating manner, so that the guide block is worn for a long time, the hook pressing seat is required to be replaced after the guide block is worn, and the maintenance cost is increased; and the sliding sleeve is added, so that the guide block interacts with the sliding sleeve, the sliding sleeve is convenient to replace and maintain at any time even if worn, and the maintenance cost is low.
Further, a sliding key mounting plate is arranged on the inner side of the pin claw matched with the hook part, a sliding key hole for mounting the sliding key is formed in the sliding key mounting plate, and a jack matched with the sliding key mounting plate is formed in the pressing hook.
The sliding key is inserted on the sliding key hole, the sliding key is installed through the sliding key installation plate, and the guiding effect on the hook part of the pressing hook is achieved through the matching of the sliding key installation plate and the jack.
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, 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 in an I-shaped structure, and threads of the pin seat are arranged at 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, 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 servo 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 influenced.
Further, the press hook power mechanism comprises a rack, a press hook transmission gear and a press hook servo motor, the press hook servo motor is installed on the press hook seat, the press hook transmission gear is arranged on an output shaft of the press hook servo motor, the rack is arranged at the bottom of the guide block, and the press hook transmission gear is meshed with the rack.
The adoption of the further scheme has the beneficial effect that the pressing hook servo motor can realize accurate starting and stopping by adopting the servo motor. The pressing hook servo motor acts, the pressing hook transmission gear rotates, the rack is meshed with the pressing hook transmission gear, so that the guide block with the rack acts along the notch direction of the pressing hook seat, the position of the roller in the inclined long hole of the roller is adjusted, the roller drives the pressing hook to act, and the pressing hook is opened and pressed.
Further, the pressing hook 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 diagram of a front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a schematic view of the structure of the press hook base and the turntable base of the present invention;
FIG. 5 is a schematic view of the structure of the turntable base with an oilless bushing
FIG. 6 is a schematic view of the structure of the latch claw of the present invention mated with the hook portion of the press hook;
FIG. 7 is a schematic view of the structure of the latch claw of the present invention mated with the press hook;
FIG. 8 is a schematic view of a turntable according to the present invention;
FIG. 9 is a schematic view of the structure of the turntable with oil-free bushings installed thereon according to the present invention;
FIG. 10 is a schematic diagram of the engagement of a turntable gear with a turntable drive gear according to the present invention;
FIG. 11 is a schematic view of the front view of the press hook in the released state of the invention;
FIG. 12 is a schematic top view of the press hook in the released state of the present invention;
FIG. 13 is a schematic view of the left-hand construction of the press hook in its released state according to the present invention;
FIG. 14 is a schematic view of the structure of the press hook hold-down body stamping of the present invention in a hold-down state;
FIG. 15 is a schematic view showing the front view of the press hook and latch engaged in the released state of the present invention;
FIG. 16 is a schematic top view of the press hook and latch engaged in the released condition of the present invention;
FIG. 17 is a schematic view of the press hook and latch engaged left-hand construction of the present invention in its released condition;
FIG. 18 is a schematic view showing the front view of the engagement of the press hook with the latch in the compressed state of the present invention;
FIG. 19 is a schematic top view of the press hook and latch engaging in the compressed state of the present invention;
FIG. 20 is a schematic view of the structure of the press hook and the latch in the pressed state of the present invention;
FIG. 21 is a schematic diagram of the front view of the protective cover of the present invention;
FIG. 22 is a schematic left-hand view of the shield of the present invention;
FIG. 23 is a schematic view of the front view of the latch of the present invention;
FIG. 24 is a schematic top view of the latch of the present invention;
FIG. 25 is a schematic perspective view of a latch of the present invention;
FIG. 26 is a schematic diagram of the structure of embodiment 1 of the present invention;
FIG. 27 is a schematic view showing the structure of embodiment 2 of the present invention;
FIG. 28 is a schematic view showing the structure of embodiment 3 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. a hook portion; 10. pressing a hook; 11. a sliding key; 12. a hook pressing seat; 13. a guide block; 14. a hook portion chute; 15. inclined holes of sliding keys; 16. a roller; 17. a roller inclined long hole; 18. a sliding key mounting plate; 19. a jack; 20. a sliding sleeve; 21. a turntable gear; 22. a turntable transmission gear; 23. a turntable servo motor; 24. a gear protection cover; 25. a rack; 26. a press hook transmission gear; 27. a press hook servo motor; 28. a mounting bracket; 29. stamping a vehicle body; 31. an oilless bushing; 32. a limit boss; 33. and a slide key hole.
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.
As shown in fig. 1-28, a diameter-variable telescopic compaction supporting and positioning device comprises a diameter-variable positioning pin mechanism and a compaction mechanism, wherein the diameter-variable 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 1 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 used for being matched with a vehicle body positioning hole, the tops of the pin claw seats form positioning planes which are used for supporting a vehicle body, 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 turntable rotates to adjust the outer diameter of the positioning columns;
The pressing mechanism comprises a pressing hook 10, a pressing hook seat 12, a sliding key 11, a guide block 13 and a pressing hook power mechanism, wherein the top of the pressing hook is provided with a hook 9, the hook sequentially penetrates through a central hole of a turntable seat and a central hole of a turntable to be matched with the pin claw, the hook is provided with a hook sliding groove 14 matched with the pin claw, the sliding key is arranged on the pin claw matched with the hook, the pressing hook is provided with a sliding key inclined hole 15 for the sliding key to move, the sliding key is arranged on the pin claw and used for guiding and limiting the pressing hook, the bottom of the pressing hook is provided with a roller 16, the guide block is provided with a roller inclined long hole 17 for the roller to move, the roller inclined long hole also has a guiding effect and a limiting effect on the roller, the turntable seat is arranged on the pressing hook seat, the guide block is slidably arranged on the pressing hook seat, and the guide block is arranged on the pressing hook seat under the action of the pressing hook power mechanism to adjust the thickness of the pressing hook.
As shown in fig. 21 and 22, 6 radial notches 6 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 inner side of the pin claw matched with the hook part is provided with a sliding key mounting plate 18, the sliding key mounting plate is provided with a sliding key hole 33 for mounting the sliding key, and the pressing hook is provided with an inserting hole 19 matched with the sliding key mounting plate. The sliding key is inserted on the sliding key hole, the sliding key is installed through the sliding key installation plate, and the guiding function of the hook part of the pressing hook is achieved through the matching of the sliding key installation plate and the jack.
The two sides of the pressing hook seat are provided with notches for supporting the two ends of the guide block. The notch is symmetrically arranged on the pressing hook seat, two ends of the guide block are respectively supported on the notch, the guide block is supported by the notch in a guiding way, and the guide block can reciprocate on the notch on the pressing hook seat.
The pressing hook seat is provided with a sliding sleeve 20, the sliding sleeve is correspondingly arranged at the notch position, and the sliding sleeve is provided with a window matched with the guide block. The guide block and the notch are rubbed in a reciprocating way, so that abrasion occurs for a long time, and the pressing hook seat needs to be replaced after abrasion, so that maintenance cost is increased; and the sliding sleeve is added, so that the guide block interacts with the sliding sleeve, the sliding sleeve is convenient to replace and maintain at any time even if worn, and the maintenance cost is low.
A limiting boss 32 is arranged on the guide block in the press hook seat. The guide block reciprocates, and the limit boss protrudes out of the upper surface of the guide block, and the guide block is matched with the notch on the pressing hook seat, and the limit boss is higher than the notch on two sides, so that the movable range of the guide block on the pressing hook seat is limited.
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, 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 in 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 the 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 seat.
The turntable power mechanism comprises a turntable gear 21, a turntable transmission gear 22 and a turntable servo motor 23, wherein the turntable servo motor is arranged on the turntable seat, the turntable transmission gear is arranged on an output shaft of the turntable servo 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 servo motor.
The outer side of the turntable transmission gear is provided with a gear protection cover 24. The protective cover is arranged on the shell of the turntable servo 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 pressing hook power mechanism comprises a rack 25, a pressing hook transmission gear 26 and a pressing hook servo motor 27, the pressing hook servo motor is installed on the pressing hook seat, the pressing hook transmission gear is arranged on an output shaft of the pressing hook servo motor, the rack is arranged at the bottom of the guide block, and the pressing hook transmission gear is meshed with the rack. The pressing hook servo motor acts, the pressing hook transmission gear rotates, the rack is meshed with the pressing hook transmission gear, so that the guide block with the rack acts along the notch direction of the pressing hook seat, the position of the roller in the inclined long hole of the roller is adjusted, the roller drives the pressing hook to act, and the pressing hook is opened and pressed.
The press hook seat is provided with a mounting bracket 28. The mechanism is convenient to install on the track trolley.
In example 1, as shown in fig. 26, the hole diameter of a body positioning hole for positioning a body was 16mm, and the thickness of a body pressing was 1 mm.
In example 2, as shown in fig. 27, the inner diameter of a body positioning hole for positioning a body was 24mm, and the thickness of a body pressing was 1 mm.
In example 3, as shown in fig. 28, the inner diameter of a body positioning hole for positioning a body was 24mm, and the thickness of a body punch was 1.5 mm.
As shown in fig. 11 and 15, the press hook servo motor rotates, the press hook transmission gear is meshed with the rack at the bottom of the guide block, the guide block moves right, the sliding key is installed on the pin claw seat, the pin claw is not moved, the sliding key is not moved, the roller moves upwards along with the action of the guide block, the press hook moves upwards, and the press hook moves upwards and simultaneously moves towards the inside of the positioning column due to the fact that the slide key inclined hole matched with the sliding key is arranged on the press hook, so that the hook part at the top end of the press hook is retracted into the pin claws, and the in-out matching of the vehicle body punching hole and the positioning column is not influenced.
As shown in fig. 14 and 18, after the outer diameter of the positioning column is adjusted to be matched with the positioning hole of the vehicle body, the positioning hole of the vehicle body is inserted into the positioning column, the supporting and positioning of the vehicle body are realized through the positioning plane at the top of the pin claw seat, the pressing hook servo motor operates, the pressing hook transmission gear is meshed with the rack at the bottom of the guide block, the guide block moves left along the notch of the pressing hook seat, the roller moves in the inclined long hole of the roller, the roller moves downwards, the pressing hook moves downwards, and the hook part at the top end of the pressing hook extends out of the positioning column while the pressing hook moves downwards due to the inclined hole of the sliding key matched with the sliding key, and then extends out of the positioning column formed by the pin claw and is pressed downwards on the vehicle body stamping part 29 around the stamping hole of the vehicle body.
The turntable servo motor acts, the turntable transmission gear is meshed with the turntable gear, so that the turntable gear is driven to rotate, a bearing or an oil-free bushing 31 can be arranged between the turntable and the turntable seat, the oil-free bushing is arranged at the bottom of the turntable, the oil-free bushing is arranged at the top of the turntable seat, the turntable rotates relative to the turntable seat, the pin claw seat is in threaded connection with 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 a plurality of pin claws is adjusted. According to the aperture of the automobile body locating hole corresponding to the automobile model, the turntable servo motor acts, the outer diameter of the adjusting locating column is matched with the automobile body locating hole corresponding to the automobile model, and the automobile body locating hole is matched with the locating column formed by the pin claw in an inserting mode, so that the automobile body can be located.
The pressing mechanism adjusts and presses according to the thickness of the body stamping parts around the different body positioning holes to be processed, in the process of adjusting the reducing positioning pins, the turntable servo motor acts, the turntable rotates, the pin claw radially acts, meanwhile, the pressing hook power mechanism acts, the pressing hook acts along with the pin claw seat and the sliding key, after the outer diameter of the positioning column is adjusted to be matched with the body positioning holes, the turntable servo motor stops rotating and self-locks the positioning holes of the white body to the positioning column formed by the pin claws, the pressing hook servo motor continues to act according to the thickness of the body stamping parts corresponding to the vehicle types, the guide block is driven to act, the pressing hook moves in the guide block, the pressing hook is adjusted to the position corresponding to the thickness of the body stamping parts, the hook part of the pressing hook presses the body stamping parts, and at the moment, the track trolley supports, positions and presses the body, and the track trolley realizes stable conveying and accurate positioning of the body and then welds the parts of the body.
When the device is specifically used, the device is arranged on a track trolley, the aperture of a vehicle body positioning hole of a vehicle type to be processed and the thickness of a vehicle body stamping part 29 are confirmed at a loading station according to the vehicle type, a turntable servo motor works, a turntable is driven to rotate through a turntable transmission gear and a turntable gear, so that a pin claw is driven to move radially, meanwhile, a pressing hook servo motor is unlocked, a pressing hook is driven by a driving guide block to act corresponding to a pin claw seat, after a plurality of pin claws are adjusted to a position matched with the aperture of the vehicle body positioning hole, the turntable servo motor stops rotating and self-locks, and after the outer diameter of a positioning column is confirmed, the positioning hole of a white vehicle body falls on the positioning column of the track trolley; the pressing hook servo motor operates, and the guide block with the rack at the bottom is driven to act through the pressing hook transmission gear, so that the pressing hook is driven to move in the guide block, the pressing hook is driven to a thickness position corresponding to the stamping part of the vehicle body, the pressing hook compresses the stamping part of the vehicle body, and the pressing hook servo motor is in place and self-locks. The control system sends out signals according to detected vehicle types to control the rotation angle and rotation time of the servo motor, the servo motor tightly presses the stamping part on the positioning support surface according to the hook part of the signal rotation press hook, after the hook part of the press hook is pressed in place, the servo motor stops rotating and self-locks, then the rail trolley starts to transport after power failure and self-locks by the servo motor, the white vehicle body is positioned and supported and pressed on the rail trolley to be transported along with the rail trolley, and corresponding welding spot processing is sequentially completed on different stations, after the welding of all welding stations is finished, the rail trolley carries the vehicle body to reach the lower station, the servo motor is electrified, the press hook servo motor runs, the press hook stretches and contracts to the positioning column formed by the pin claw through the cooperation of the press hook transmission gear and the rack, then the white vehicle body can be taken down and separated from the rail trolley, the rail trolley continues to walk to the upper station, waiting for identification information, and the positioning and the pressing of the vehicle type to be processed according to the aperture of the vehicle body positioning hole of the vehicle type to be processed and the thickness information of the vehicle body stamping part are completed according to the process, so that the welding processing of the vehicle type to be processed is completed.
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 (8)
1. The diameter-variable telescopic compaction supporting and positioning device is characterized by comprising a diameter-variable positioning pin mechanism and a compaction mechanism, wherein the diameter-variable positioning pin mechanism comprises a plurality of pin claws, a turntable seat, a protection 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 a vehicle body positioning hole, the top parts of the pin claw seats form positioning planes for supporting a vehicle body, the protection cover is arranged on the outer side of the turntable and connected with the turntable seat, a plurality of radial notches for installing the pin claw seats are formed in the upper surface of the protection 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 under the action of the turntable power mechanism to adjust the outer diameter of the positioning columns.
The pressing mechanism comprises a pressing hook, a pressing hook seat, a sliding key, a guide block and a pressing hook power mechanism, wherein a hook part is arranged at the top of the pressing hook, a hook part sliding groove matched with a pin claw is formed in the hook part, the sliding key is arranged on the pin claw matched with the hook part, a sliding key inclined hole is formed in the pressing hook, a roller is arranged at the bottom of the pressing hook, an inclined long hole of the roller is formed in the guide block, the turntable seat is arranged on the pressing hook seat, the guide block is slidably arranged on the pressing hook seat, and the guide block slides on the pressing hook seat under the action of the pressing hook power mechanism so as to adjust the pressing thickness of the hook part;
A sliding key mounting plate is arranged on the inner side of the pin claw matched with the hook part, a sliding key hole for mounting the sliding key is formed in the sliding key mounting plate, and a jack matched with the sliding key mounting plate is formed in the pressing hook; the pressing hook power mechanism comprises a rack, a pressing hook transmission gear and a pressing hook servo motor, the pressing hook servo motor is installed on the pressing hook seat, the pressing hook transmission gear is arranged on an output shaft of the pressing hook servo motor, the rack is arranged at the bottom of the guide block, and the pressing hook transmission gear is meshed with the rack.
2. The variable diameter telescoping compression support positioning device of claim 1, wherein the turntable power mechanism comprises a turntable gear, a turntable drive gear and a turntable servo motor, the turntable servo motor is mounted on the turntable seat, the turntable drive gear is disposed on an output shaft of the turntable servo motor, the turntable gear is disposed on an outer circumferential surface of the turntable, and the turntable gear is meshed with the turntable drive gear.
3. The variable diameter telescopic compression support positioning device according to claim 1 or 2, wherein a limit boss is arranged on the guide block in the compression hook seat.
4. The diameter-variable telescopic compressing supporting and positioning device according to claim 3, wherein the hook pressing seat is provided with notches for supporting two ends of the guide block.
5. The variable diameter telescoping compression support positioning device of claim 4, wherein the compression hook seat is provided with a sliding sleeve, and the sliding sleeve is correspondingly arranged at the notch position.
6. The diameter-variable telescopic compressing and supporting 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 telescoping compaction support positioning device according to claim 2, wherein a gear guard is provided outside of the turntable drive gear.
8. The variable diameter telescoping compression support positioning device of claim 1, wherein the compression hook seat is provided with a mounting bracket.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811009233.2A CN108792491B (en) | 2018-08-31 | 2018-08-31 | Diameter-variable telescopic compaction supporting and positioning device |
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| CN201811009233.2A CN108792491B (en) | 2018-08-31 | 2018-08-31 | Diameter-variable telescopic compaction supporting and positioning device |
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| CN108792491A CN108792491A (en) | 2018-11-13 |
| CN108792491B true CN108792491B (en) | 2024-05-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110561472B (en) * | 2019-10-23 | 2022-09-20 | 烟台宇信科技有限公司 | Double self-locking positioning and clamping mechanism for workpiece carrying gripper |
| CN110587644B (en) * | 2019-10-23 | 2023-03-28 | 烟台宇信科技有限公司 | Self-locking positioning pressing mechanism for workpiece carrying |
| CN113478387B (en) * | 2021-02-21 | 2022-06-24 | 吉安米田科技有限公司 | Surface wire drawing device for machining aluminum alloy hub and using method thereof |
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| CN108792491A (en) | 2018-11-13 |
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