CN113752002A - Sewing machine shell bottom plate automatic assembly is machine of screwing up in advance - Google Patents
Sewing machine shell bottom plate automatic assembly is machine of screwing up in advance Download PDFInfo
- Publication number
- CN113752002A CN113752002A CN202111002923.7A CN202111002923A CN113752002A CN 113752002 A CN113752002 A CN 113752002A CN 202111002923 A CN202111002923 A CN 202111002923A CN 113752002 A CN113752002 A CN 113752002A
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- Prior art keywords
- tightening
- rack
- plate
- gripper
- bottom plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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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
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/04—Devices for feeding articles or materials to conveyors for feeding articles
- B65G47/12—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles
- B65G47/14—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding
- B65G47/1407—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding the articles being fed from a container, e.g. a bowl
- B65G47/1414—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding the articles being fed from a container, e.g. a bowl by means of movement of at least the whole wall of the container
- B65G47/1421—Vibratory movement
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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
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
Abstract
The invention discloses an automatic assembling and pre-tightening machine for a bottom plate of a sewing machine shell, which comprises a rack, wherein a gripper for gripping a workpiece is arranged above the rack, and the gripper is driven by a pushing device to reciprocate between a feeding station and an assembling station; a feeding station: the gripper grips the shell from the roller way; at an assembly station: the rack is provided with a clamp for positioning the bottom plate; a lifting device is arranged below the clamp; the lifting device lifts the bottom plate from the roller way to the position below the clamp; the lifting device is matched with the clamp to position and clamp the bottom plate; a screw shifting device for inputting the fastener to the assembly station is arranged on the rack; a robot assembly unit which grips the fastener on the screw shifting device is arranged beside the rack; and the rack is also provided with a tightening device for tightening the fastener to assemble the shell and the bottom plate. The invention realizes the automation of the assembly of the shell and the bottom plate, greatly improves the production efficiency, avoids the assembly error and can realize large-scale production.
Description
Technical Field
The invention belongs to the technical field of assembly, particularly relates to assembly of a sewing machine, and particularly relates to an automatic assembly pre-tightening machine for a bottom plate of a sewing machine shell.
Background
At present, sewing machine manufacturers in China generally adopt manual assembly of the machine shell and the bottom plate, because the assembly precision is high, and the assembly process needs very accurate hand feeling control, only a few persons with rich technical experience can finish the assembly, the yield and the quality of products are severely restricted, and the automatic assembly pre-tightening machine for the machine shell bottom plate is researched and developed by depending on projects.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an automatic assembling and pre-tightening machine for a bottom plate of a sewing machine shell, which is applied to an intelligent assembling production line of a sewing machine and realizes intelligent and automatic assembling.
In order to achieve the aim, the invention provides an automatic assembling and pre-tightening machine for a bottom plate of a sewing machine shell, which is characterized in that: comprises a machine frame, a first guide rail, a second guide rail,
a gripper for gripping the workpiece is arranged above the rack and driven by the pushing device to reciprocate between the feeding station and the assembling station;
a feeding station: the gripper grips the shell from the roller way;
at an assembly station: the rack is provided with a clamp for positioning the bottom plate; a lifting device is arranged below the clamp; the lifting device lifts the bottom plate from the roller way to the position below the clamp; the lifting device is matched with the clamp to position and clamp the bottom plate;
a screw shifting device for inputting the fastener to the assembly station is arranged on the rack; a robot assembly unit which grips the fastener on the screw shifting device is arranged beside the rack; and the rack is also provided with a tightening device for tightening the fastener to assemble the shell and the bottom plate.
Preferably, the gripper comprises a hanging part and a gripping part hung below the hanging part; the suspension part is connected with the rack in a sliding manner, and the pushing device drives the suspension part to reciprocate between a feeding station and an assembling station; the grabbing part grabs the machine shell from the roller way and positions the machine shell.
Preferably, the suspension part comprises a gripper guide rail in sliding connection with the frame, and a lifting cylinder is arranged on the gripper guide rail; the output end of the lifting cylinder is connected with the grabbing part.
Still further preferably, a gripper bracket is arranged between the gripper guide rail and the frame; the gripper support is fixedly connected with the rack, and the gripper guide rail is connected with the gripper support in a sliding manner.
Preferably, the pushing device is a rodless cylinder, a movable part of the pushing device is connected with the gripper guide rail, and a fixed part of the pushing device is connected with the gripper support.
Preferably, the grabbing part comprises a hoisting plate connected with the hanging part, two sides of the hoisting plate are respectively provided with a supporting plate, and the supporting plates are provided with spindle hole bolts which are arranged oppositely; and a gripper cylinder is arranged between the supporting plates. Therefore, the two supporting plates are driven to move away from and close to each other through the gripper cylinder, so that the machine shell is grabbed and released.
Still further preferably, the spindle hole plug is rotatably connected with the supporting plate.
Still further preferably, the hoisting plate is provided with a first guide column; the lifting cylinder is connected with the gripper guide rail through a lifting cylinder mounting plate; one end of the first guide post is connected with the hoisting plate, and the other end of the first guide post penetrates through the lifting cylinder mounting plate. Thus, the guide function is realized in the process of moving up and down.
Still further preferably, a second guide column is arranged on the hoisting plate, and a positioning hole matched with the second guide column is arranged on the supporting plate. Therefore, the machine shell model is clamped tightly through the guiding and positioning of the second guide column by pulling of the gripper cylinder.
Preferably, the lifting device comprises a lifting cylinder, and the lifting cylinder is connected to the rack through a lifting support; the lifting top frame is connected with the output end of the lifting cylinder; the top of the lifting top frame is provided with a pressing block which can be abutted against the bottom plate.
Further preferably, the pressing block is detachably connected with the lifting top frame, and the height of the pressing block on the lifting top frame is adjustable.
Preferably, the robot assembly unit comprises a robot, and a robot gripper for gripping the fastener is arranged on the robot; a fastener sorting vibration disc is arranged beside the robot; the fastener sequencing vibration disc conveys the fasteners to a designated position; and the robot grabs the fastener from the specified position to the screw displacement device through the robot gripper.
Further preferably, the robot gripper comprises a three-finger pneumatic gripper and fingers; the three-finger pneumatic claw is arranged on a plate, and the plate is connected with the robot through a coupler.
Preferably, the tightening device comprises a sliding plate slidably connected with the frame, the sliding plate is provided with a plurality of pneumatic tightening shafts, and each pneumatic tightening shaft is provided with a telescopic sleeve.
Preferably, the tightening device further comprises a tightening bracket connected with the frame, and a tightening guide rail is arranged on the tightening bracket; the sliding plate is connected with the movable part of the tightening guide rail; the screwing and pushing cylinder is fixed on the screwing support, and the output end of the screwing and pushing cylinder is connected with the sliding plate.
Preferably, the screw displacement device comprises a fastener placing plate, a ratchet fixed with the fastener placing plate, and a shaft connected with the ratchet; the pawl is matched with the ratchet wheel and connected to a rotary plate, and the rotary plate is rotatably connected with the shaft; the output end of a pawl cylinder arranged on the ratchet support is connected with the rotary plate.
Further preferably, the shaft is rotatably carried on the ratchet bracket; the ratchet bracket is connected with the output end of the ratchet cylinder; the ratchet cylinder is fixed on the frame.
Preferably, the machine frame is provided with an adjustable stop iron for positioning the hand grip at the feeding station and the assembling station.
The invention has the beneficial effects that: the invention realizes the automation of the assembly of the shell and the bottom plate and can accurately position; compared with the existing manual assembly mode, the invention greatly improves the production efficiency, avoids assembly errors and can realize large-scale production; in addition, the invention can use parts with different sizes and has good universality.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a front view of the grip of the present invention;
FIG. 4 is a left side view of the grip of the present invention;
FIG. 5 is a front view of the lifting device of the present invention;
FIG. 6 is a top view of the robotic assembly cell of the present invention;
FIG. 7 is a front view of the robotic gripper of the present invention;
FIG. 8 is a bottom view of the clip of the present invention;
fig. 9 is a front view of the tightening device of the present invention;
FIG. 10 is a front view of the screw displacing device of the present invention;
FIG. 11 is a top view of the screw displacing device of the present invention;
FIG. 12 is a cross-sectional view of the screw displacing device of the present invention;
FIG. 13 is a cross-sectional view of the screw displacing device of the present invention;
FIG. 14 is an isometric view of the grip of the present invention;
FIG. 15 is an isometric view of the clamp of the present invention;
fig. 16 is an isometric view of the tightening device of the present invention;
FIG. 17 is an isometric view of the screw displacement device of the present invention;
FIG. 18 is a perspective cross-sectional view of the screw displacing device of the present invention;
fig. 19 is a perspective partial view of the screw displacing device of the present invention.
Detailed Description
The technical solutions of the present invention (including the preferred ones) are described in further detail below by way of fig. 1 to 19 and enumerating some alternative embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
As shown in figures 1 and 2, the automatic assembly pre-tightening machine for the bottom plate of the sewing machine shell comprises a frame 1, wherein a gripper 3 for gripping a workpiece is arranged above the frame 1, and the gripper 3 is driven by a pushing device 3.9 to reciprocate between a feeding station I and an assembly station II;
a feeding station: the gripper 3 grips the shell from the roller way;
at an assembly station: the frame 1 is provided with a clamp 2 for positioning the bottom plate; a lifting device 5 is arranged below the clamp 2; the lifting device 5 lifts the bottom plate from the roller way to the position below the clamp 2; the lifting device 5 is matched with the clamp 2 to position and clamp the bottom plate;
a screw shifting device 6 for inputting a fastener to an assembly station is arranged on the frame 1; a robot assembly unit 7 for grabbing fasteners on the screw shifting device 6 is arranged beside the rack 1; and the frame 1 is also provided with a tightening device 4 for tightening the fastener to assemble the shell and the bottom plate.
As shown in fig. 3, 4 and 14, the gripper 3 includes a suspension part, a gripping part suspended below the suspension part; the suspension part is connected with the rack 1 in a sliding mode, and the pushing device 3.9 drives the suspension part to reciprocate between a feeding station and an assembling station; the grabbing part grabs the machine shell from the roller way and positions the machine shell.
The suspension part comprises a gripper guide rail 3.10 which is connected with the rack 1 in a sliding way, and a lifting cylinder 3.7 is arranged on the gripper guide rail 3.10; the output end of the lifting cylinder 3.7 is connected with the grabbing part. A hand grip support 3.1 is arranged between the hand grip guide rail 3.10 and the frame 1; the gripper support 3.1 is fixedly connected with the rack 1, and the gripper guide rail 3.10 is in sliding connection with the gripper support 3.1. The pushing device 3.9 is a rodless cylinder, a movable part of the pushing device is connected with the gripper guide rail 3.10, and a fixed part of the pushing device is connected with the gripper support 3.1.
The grabbing part comprises a hoisting plate 3.13 connected with the suspension part, two sides of the hoisting plate 3.13 are respectively provided with a supporting plate 3.4, and the supporting plates 3.4 are provided with spindle hole bolts 3.2 which are oppositely arranged; a gripper cylinder 3.5 is arranged between the supporting plates 3.4; the gripper cylinder 3.5 drives the two supporting plates 3.4 to move away from and close to each other, so that the machine shell is grabbed and released. The spindle hole bolt 3.2 is rotatably connected with the supporting plate 3.4. A first guide column 3.8 is arranged on the hoisting plate 3.13; the lifting cylinder 3.7 is connected with the gripper guide rail 3.10 through a lifting cylinder mounting plate 3.14; one end of the first guide column 3.8 is connected with the hoisting plate 3.13, and the other end of the first guide column penetrates through the lifting cylinder mounting plate 3.14, so that the guide effect is achieved in the up-and-down moving process. The hoisting plate 3.13 is provided with a second guide column 3.6, the supporting plate 3.4 is provided with a positioning hole matched with the second guide column 3.6, and thus, the machine shell model is clamped by the guide positioning of the second guide column 3.6 through the pulling of the gripper cylinder 3.5.
The gripper support 3.1 is fixed on the rack 1, the gripper 3 grips the shell from a material loading position of a shell conveying roller way, the gripper 3 is positioned by a main shaft hole bolt 3.2, the main shaft hole bolt 3.2 is supported and rotated by a bearing 3.3, the bearing 3.3 is arranged on two side supporting plates 3.4, the supporting plates 3.4 are pulled by a gripper cylinder 3.5, parts are clamped by a second guide column 3.6 in a positioning mode, the gripper 3 ascends and is driven by a lifting cylinder 3.7, the parts are turned over by self weight in a guiding mode of a first guide column 3.8, the gripper 3 transversely moves by a rodless cylinder 3.9, a gripper guide rail 3.10 is positioned, adjustable stop irons 3.11 are arranged on two sides, the gripper guide rail is moved to the upper space of the bottom plate and is descended to be contacted with the bottom plate, a limit block 2.6 designed on the adjusting clamp is used, and a drag chain 3.12 for a pipeline is designed in a horizontal displacement mode.
As shown in fig. 5, the lifting device 5 includes a lifting cylinder 5.3, and the lifting cylinder 5.3 is connected to the frame 1 through a lifting support 5.6; the lifting top frame 5.2 is connected with the output end of the lifting cylinder 5.3; the top of the lifting top frame 5.2 is provided with a pressing block 5.1 which can be abutted against the bottom plate. The pressing block 5.1 is detachably connected with the lifting top frame 5.2, and the height of the pressing block 5.1 on the lifting top frame 5.2 is adjustable.
The part bottom plate is conveyed to an assembly station by a roller way, the part is clamped to a positioning surface by a lifting device 5, the lifting device 5 comprises a pressing block 5.1, the height of the pressing block 5.1 is adjustable, the pressing block 5.1 is positioned on a lifting top frame 5.2, the lifting top frame 5.2 is lifted by a lifting cylinder 5.3 and positioned by a guide pillar 5.4 and a linear bearing 5.5, the lifting cylinder 5.3 and the linear bearing 5.5 are positioned on a lifting support 5.6, and the lifting support 5.6 is fixed on a rack 1.
As shown in fig. 6 and 7, the robot assembling unit 7 comprises a robot 7.4, and a robot gripper 7.5 for gripping the fastener is arranged on the robot 7.4; a fastener sorting vibration disc is arranged beside the robot 7.4; the fastener sequencing vibration disc conveys the fasteners to a designated position; the robot 7.4 grips the fastener, in this case a washer and two sizes of screws, from the above specified position onto the screw displacement device 6 by means of a robot gripper 7.5. The robot gripper 7.5 comprises a three-finger pneumatic gripper 7.51 and fingers 7.52; the three-finger pneumatic claw 7.51 is arranged on a plate 7.53, and the plate 7.53 is connected with the robot 7.4 through a coupler 7.54.
As shown in fig. 8 and 15, the fixture 2 is provided with three positioning blocks 2.1 on the top surface, the positioning blocks 2.1 are height-adjustable and equal in height, two positioning blocks 2.2 and clamping cylinders 2.3 are arranged on two side surfaces of the base plate, one positioning block 2.4 and one clamping cylinder 2.5 are arranged on two end surfaces of the base plate to completely fix the part base plate, and the fixture is provided with a gripper descending limiting block 2.6.
As shown in fig. 9 and 16, the tightening device 4 includes a sliding plate 4.3 slidably connected to the frame 1, the sliding plate 4.3 is provided with a plurality of pneumatic tightening shafts 4.1, and each of the pneumatic tightening shafts 4.1 is provided with a telescopic sleeve 4.2. The tightening device 4 further comprises a tightening support 4.6 connected with the rack 1, and a tightening guide rail 4.4 is arranged on the tightening support 4.6; the sliding plate 4.3 is connected with the movable part of the tightening guide rail 4.4; the screwing and pushing cylinder 4.5 is fixed on the screwing support 4.6, and the output end is connected with the sliding plate 4.4.
The tightening device 4 comprises four pneumatic tightening shafts 4.1, the tightening torque is more than or equal to 10Nm, a telescopic sleeve 4.2 with a 50mm stroke is mounted on each pneumatic tightening shaft 4.1, each pneumatic tightening shaft 4.1 is mounted on a sliding plate 4.3, each sliding plate 4.3 is mounted on a tightening guide rail 4.4 sliding block, each tightening guide rail 4.4 is mounted on a tightening support 4.6, each tightening support 4.6 is connected with the machine frame 1, each sliding plate 4.3 moves up and down through a tightening and pushing cylinder 4.5, and each pneumatic tightening shaft 4.1 is responsible for tightening part assembling screws.
As shown in fig. 10 to 13, 17 to 19, the screw displacing means 6 comprises a fastener placing plate 6.1, a ratchet 6.2 fixed with the fastener placing plate 6.1, a shaft 6.7 keyed with the ratchet 6.2; a pawl 6.4 matched with the ratchet wheel 6.2, wherein the pawl 6.4 is connected to a rotary plate 6.6, and the rotary plate 6.6 is rotationally connected with the shaft 6.7; the output end of a pawl cylinder 6.3 arranged on the pawl support 6.9 is connected with the rotary plate 6.6. The shaft 6.7 is rotatably carried on the ratchet bracket 6.9; the ratchet support 6.9 is connected with the output end of the ratchet cylinder 6.17; the ratchet cylinder 6.17 is fixed on the frame 1.
Preferably, the screw shifting device 6 comprises a screw placing plate 6.1, the screw placing plate 6.1 and a ratchet 6.2 are fixed, the ratchet 6.2 and a shaft 6.7 are in key connection transmission, a pawl 6.4 is positioned on an installation shaft 6.5, the installation shaft 6.5 is installed on a rotary plate 6.6, the rotary plate 6.6 is connected with a pawl cylinder 6.3 joint, the pawl cylinder 6.3 is positioned on a pawl bracket 6.9, the rotary plate 6.6 is installed on the shaft 6.7 through a bearing, the shaft 6.7 is installed on the pawl bracket 6.9 through an upper bearing and a lower bearing 6.8, the position of the rotary plate 6.6 is limited by an adjustable stop iron 6.10, the screw placing plate 6.1 can rotate 90 degrees every time the pawl cylinder 6.3 is driven once, the ball placing plate 6.1 is slowly parked by the plunger 6.11 to stop, the ball plunger 6.11 is realized by an adjustable limit stop block 6.12 arranged on the screw placing plate 6.1, the plunger 6.11 is arranged beside the proximity switch 6.20, and then the accurate positioning pin of the placing plate is judged whether the positioning pin is in place or not, the pin 6.13 is fixed with the pin cylinder 6.14 in a joint mode so as to be positioned by a linear bearing 6.15, a limiting sleeve 6.16 matched with the pin 6.13 is arranged on the screw placing plate 6.1, the pin 6.13 can vertically position the screw placing plate 6.1, the robot 7.4 can carry out screw gasket assembly when the screw placing plate 6.1 is positioned at A, B points, the assembling takt time is increased, the ratchet support 6.9 is driven by a ratchet cylinder 6.17, the guide column 6.18 can move up and down in a limiting mode, a screw is inserted into a through hole of the bottom plate, the ratchet cylinder 6.17 is positioned on the ratchet rack 6.19, and the ratchet rack 6.19 is fixed on the mounting rack 1.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and any modification, combination, replacement, or improvement made within the spirit and principle of the present invention is included in the scope of the present invention.
Claims (10)
1. The utility model provides a sewing machine casing bottom plate automatic assembly machine of screwing up in advance which characterized in that: comprises a machine frame, a first guide rail, a second guide rail,
a gripper for gripping the workpiece is arranged above the rack and driven by the pushing device to reciprocate between the feeding station and the assembling station;
a feeding station: the gripper grips the shell from the roller way;
at an assembly station: the rack is provided with a clamp for positioning the bottom plate; a lifting device is arranged below the clamp; the lifting device lifts the bottom plate from the roller way to the position below the clamp; the lifting device is matched with the clamp to position and clamp the bottom plate;
a screw shifting device for inputting the fastener to the assembly station is arranged on the rack; a robot assembly unit which grips the fastener on the screw shifting device is arranged beside the rack; and the rack is also provided with a tightening device for tightening the fastener to assemble the shell and the bottom plate.
2. The automatic assembly pre-tightening machine for sewing machine housing bottom plates according to claim 1, characterized in that: the gripper comprises a suspension part and a gripping part hung below the suspension part; the suspension part is connected with the rack in a sliding manner, and the pushing device drives the suspension part to reciprocate between a feeding station and an assembling station; the grabbing part grabs the machine shell from the roller way and positions the machine shell.
3. The automatic assembly pre-tightening machine for sewing machine housing bottom plates according to claim 2, characterized in that: the suspension part comprises a hand grip guide rail which is in sliding connection with the rack, and a lifting cylinder is arranged on the hand grip guide rail; the output end of the lifting cylinder is connected with the grabbing part.
4. The automatic assembly pre-tightening machine for sewing machine housing bottom plates according to claim 3, characterized in that: a hand grip support is arranged between the hand grip guide rail and the rack; the gripper support is fixedly connected with the rack, and the gripper guide rail is connected with the gripper support in a sliding manner.
5. The automatic assembly pre-tightening machine for sewing machine housing bottom plates according to claim 2, 3 or 4, characterized in that: the grabbing part comprises a hoisting plate connected with the suspension part, two sides of the hoisting plate are respectively provided with a supporting plate, and the supporting plates are provided with spindle hole bolts which are oppositely arranged; and a gripper cylinder is arranged between the supporting plates.
6. The automatic assembly pre-tightening machine for sewing machine housing bottom plates according to claim 5, characterized in that: the main shaft hole bolt is rotatably connected with the supporting plate.
7. The automatic assembly pre-tightening machine for sewing machine housing bottom plates according to claim 1, characterized in that: the lifting device comprises a lifting cylinder, and the lifting cylinder is connected to the rack through a lifting support; the lifting top frame is connected with the output end of the lifting cylinder; the top of the lifting top frame is provided with a pressing block which can be abutted against the bottom plate.
8. The automatic assembly pre-tightening machine for sewing machine housing bottom plates according to claim 1, characterized in that: the tightening device comprises a sliding plate which is in sliding connection with the rack, a plurality of pneumatic tightening shafts are arranged on the sliding plate, and each pneumatic tightening shaft is provided with a telescopic sleeve; the tightening device also comprises a tightening bracket connected with the rack, and a tightening guide rail is arranged on the tightening bracket; the sliding plate is connected with the movable part of the tightening guide rail; the screwing and pushing cylinder is fixed on the screwing support, and the output end of the screwing and pushing cylinder is connected with the sliding plate.
9. The automatic assembly pre-tightening machine for sewing machine housing bottom plates according to claim 1, characterized in that: the screw shifting device comprises a fastener placing plate, a ratchet wheel fixed with the fastener placing plate and a shaft connected with the ratchet wheel key; the pawl is matched with the ratchet wheel and connected to a rotary plate, and the rotary plate is rotatably connected with the shaft; the output end of a pawl cylinder arranged on the ratchet support is connected with the rotary plate.
10. The automatic assembly pre-tightening machine for sewing machine housing bottom plates according to claim 9, characterized in that: the shaft is rotatably carried on the ratchet bracket; the ratchet bracket is connected with the output end of the ratchet cylinder; the ratchet cylinder is fixed on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111002923.7A CN113752002A (en) | 2021-08-30 | 2021-08-30 | Sewing machine shell bottom plate automatic assembly is machine of screwing up in advance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111002923.7A CN113752002A (en) | 2021-08-30 | 2021-08-30 | Sewing machine shell bottom plate automatic assembly is machine of screwing up in advance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113752002A true CN113752002A (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111002923.7A Pending CN113752002A (en) | 2021-08-30 | 2021-08-30 | Sewing machine shell bottom plate automatic assembly is machine of screwing up in advance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113752002A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918658A (en) * | 2022-06-24 | 2022-08-19 | 株洲时代新材料科技股份有限公司 | Automatic device of screwing up of empty spring screw |
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- 2021-08-30 CN CN202111002923.7A patent/CN113752002A/en active Pending
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| CA2139980A1 (en) * | 1994-01-13 | 1995-07-14 | David Demarest | Suture cutting system |
| JPH07266146A (en) * | 1994-03-24 | 1995-10-17 | Juki Corp | Automatic assembling method for part and device therefor |
| CN104015047A (en) * | 2014-06-06 | 2014-09-03 | 苏州工业园区新凯精密五金有限公司 | Automatic assembling machine for screws and gaskets |
| CN104723070A (en) * | 2015-04-13 | 2015-06-24 | 吴中区木渎蒯斌模具加工厂 | Lining screwing-in position-changing mechanism of sewing machine part assembling machine |
| CN104741922A (en) * | 2015-04-13 | 2015-07-01 | 吴中区木渎蒯斌模具加工厂 | Sewing machine part assembler |
| CN113182829A (en) * | 2021-04-30 | 2021-07-30 | 东风设备制造有限公司 | Sewing machine shell bottom plate position automatic correction screwing machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114918658A (en) * | 2022-06-24 | 2022-08-19 | 株洲时代新材料科技股份有限公司 | Automatic device of screwing up of empty spring screw |
| CN114918658B (en) * | 2022-06-24 | 2024-04-05 | 株洲时代新材料科技股份有限公司 | Automatic device of screwing up of empty spring screw |
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