Drive screw production automated assembly system and assembly method

Abstract

The present invention relates to an automated assembly system and method for producing a drive screw, which comprises a system for assembling a screw part (3) and / or a slider part (5) on a screw part (1) pre-installed with an assembly screw nut part (2) and / or a gear part (4); the system comprises a frame assembly. The system has a reasonable design, a compact structure and is easy to use.

Description

Technical Field

[0001] The invention relates to an automated assembly system and an assembly method for producing a driver lead screw. Background Art

[0002] The existing assembly of the drive screw is basically done purely manually. The drive screw is a key component of the drive. There are too many human interference factors in pure manual assembly, and it is difficult to ensure the stability of the quality of the screw assembly and the overall performance of the drive. The screw assembly includes: pre-assembly of gears, inserts, bearings and sliders; thread glue application of screws or nuts (manual glue application makes it difficult to control the amount and uniformity of thread glue); tightening of screws or nuts (the existing method uses a handheld electric screwdriver for tightening, which makes it difficult to control the rotation speed and tightening torque); grease application on gears (nowadays, oiling is mostly done with a brush, which makes it difficult to ensure the grease application effect); grease application on the screw (nowadays, oiling is mostly done with a dispensing valve, and the grease cannot completely reach the screw groove, reducing the lubrication effect and causing some grease waste); and screwing in the slider (nowadays, a handheld screw is mostly used, and an auxiliary motor is used to screw in the slider. This method has certain safety hazards and it is difficult to control the uniform height of the slider). Summary of the invention

[0003] In view of the above problems, the present invention proposes an automatic assembly system for the production of a driver screw, including a multifunctional automatic assembly system for applying thread glue to screws or nuts, tightening screws or nuts, applying grease to gears, applying grease to screws, screwing in sliders, etc. To solve the above problems, the technical solution adopted by the present invention is: an automatic assembly system for the production of a driver screw, used to assemble screw parts and / or slider parts on screw parts pre-installed with nut parts and / or gear parts; it includes a frame assembly. As a further improvement of the above technical solution: the frame assembly is provided with: a rotating workstation disk, which is provided on the frame assembly and driven to rotate by a motor; the rotating workstation disk is provided with an input height setting station for receiving the vertically fed screw parts and ensuring that the upper height of the screw parts of different lengths is limited to a set range, a thread glue dispensing station for applying thread glue on the inner threaded part of the nut of the screw part, an inspection station with an inspection camera for detecting the upper height of the screw part or the dispensing quality, a fastening station for assembling the screw part to the nut, a gear greasing station for applying grease to the meshing teeth of the gear part, a screw greasing station for applying grease to the external threaded part of the screw, a slider screwing-in station for installing the slider part into the external thread of the screw part and / or an output station for waiting for an external manipulator to take out the assembled screw part and feed in the screw part to be assembled.

[0004] The present invention adopts a turntable structure in conjunction with a pneumatic clamping mechanism to complete the conveying of the material of the screw assembly. The screw is pre-installed and placed in place. For screw assemblies of different lengths, there is a special height-fixing structure to ensure that the screw assembly is at the same height after clamping, so as to realize other processes. The thread glue dispensing structure of the nut (also called the nut) is introduced: After the screw pre-installed assembly is delivered to the place through the turntable mechanism, the pneumatic mechanism assists the flow glue dispensing valve to complete the thread glue dispensing and ensure the amount of thread glue used. According to different screws and nuts, the program is called to complete the relevant glue dispensing requirements. As an equivalent, it can be that the screw has an external screw thread, and it is equivalent to loading and installing the nut (nut). After the auxiliary clamping mechanism clamps the screw assembly, the fastening mechanism moves down into place according to the product and completes the fastening of the screw screw or nut. The fastening mechanism can ensure a stable fastening torque and remind whether it is fastened in place. The front end of the grease-applying structure adopts a contoured tube brush in conjunction with the servo rotation to brush the grease into the gear teeth to ensure that the grease achieves the optimal lubrication effect. The front end of the lead screw grease coating structure adopts a profiling mechanism, which scrapes the grease into the lead screw groove by moving up and down to ensure that the grease achieves the best lubrication effect. The slider feeding structure temporarily stores part of the slider material, and the material error structure errors the slider material individually. The slider is placed in the screw-in mechanism sleeve through the conveying mechanism, and the slider is screwed into the mechanism according to the different sizes of the lead screw to achieve a uniform height. The present invention has a reasonable design, low cost, strong and durable, safe and reliable, simple operation, time-saving and labor-saving, money-saving, compact structure and convenient use. BRIEF DESCRIPTION OF THE DRAWINGS

[0005] Figure 1 It is a schematic diagram of the use structure of the present invention. Figure 2 It is a structural schematic diagram of the threaded fastening mechanism of the present invention. Figure 3 It is a structural schematic diagram of the lead screw member of the present invention. Figure 4 It is a structural schematic diagram of the gear greasing station of the present invention. Figure 5 The utility model is a schematic diagram of the use structure of the lead screw grease coating device of the present invention. Figure 6 It is a structural schematic diagram of the rotating central axis of the present invention.

[0006] Figure 7 It is a structural schematic diagram of the top of the point thread of the present invention. Figure 8 It is a structural schematic diagram of the slider screw-in mechanism of the present invention.

[0007] Fig. 9 It is a schematic diagram of the use structure of the input height setting station of the present invention. Fig.10 It is a structural schematic diagram of the thread fastening clamping mechanism of the present invention. Fig.11 It is a schematic structural diagram of the rear V-shaped mouth side of the gear of the present invention. Fig.12 It is a structural schematic diagram of the wire mother component of the present invention.

[0008] Among them: 1. Screw parts; 2. Screw nut parts; 3. Screw parts; 4. Gear parts; 5. Slider parts; 6. Rotary workstation; 7. Input height setting station; 8. Thread glue application station; 9. Inspection station; 10. Fastening station; 11. Gear grease application station; 12. Screw grease application station; 13. Slider screw-in station; 14. Output station; 15. Pneumatic clamping jaws; 16. Height setting device; 17. Thread glue application device; 18. Thread fastening mechanism; 19. Thread fastening clamping mechanism; 20. Gear grease application device; 21. Screw grease application device; 22. Slider feeding structure ; 23. Slider material misalignment structure; 24. Slider conveying mechanism; 25. Slider screw-in mechanism; 26. Rotating center axis; 27. Rotating Hall sensor; 28. Rotating L-shaped angle positioning rod; 29. ​​Tire clamping cylinder; 30. Tire guide block; 31. Tire straightening and matching fingers; 32. Tire reset spring; 33. Tire lower support plate; 34. Fixed height lifting lower support plate; 35. Fixed height lower inner cone sleeve; 36. Fixed height measuring block; 37. Fixed height grating strip; 38. Fixed height electromagnet; 39. Point thread base; 40. Point thread telescopic rod; 41. Point thread rotating gear; 42. Thread lifting seat; 43. Thread swing seat; 44. Thread arc groove; 45. Thread guide rod; 46. Thread articulated shaft; 47. Thread glue flow valve; 48. Thread rotating needle; 49. Thread needle clamping hand; 50. Thread top tip; 51. Thread bottom tip; 52. Inspection camera; 53. Tightening rear swing arm; 54. Tightening front L arm; 55. Tightening half arc; 56. Tightening half groove; 57. Tightening spacer; 58. Tightening sensor; 59. Tightening lifting head; 60. Tightening screwing head; 61. Tightening feeding manipulator; 62. Gear Wheel rotation drive head; 63, gear grease hose; 64, gear V-shaped grease nozzle; 65, front V-shaped nozzle side of gear; 66, rear V-shaped nozzle side of gear; 67, glue surface; 68, screw lifting seat; 69, rotating tray under the screw; 70, screw auxiliary wheel; 71, upper clamping hand of the screw; 72, lower clamping hand of the screw; 73, screw grease nozzle; 74, falling channel; 75, bottom tray of the slider; 76, slider misalignment pusher; 77, slider flat delivery support hand; 78, slider assembly bottom bracket; 79, slider assembly rotating sleeve; 80, slider rotating head; 81, slider assembly overload spring. DETAILED DESCRIPTION

[0009] like Figure 1-12 As shown, the automatic assembly system for producing a drive screw of this embodiment is used to assemble a screw component 3 and / or a slider component 5 on a screw component 1 pre-installed with a nut component 2 and / or a gear component 4; it includes a frame assembly.

[0010] The following components can be used in combination or separately as preferred, and are arranged on the frame assembly: a rotating work station plate 6, which is arranged on the frame assembly and driven to rotate by a motor;

[0011] The rotating station disk 6 is provided with an input height setting station 7 for receiving the vertically fed screw member 1 and ensuring that the upper height of the screw members 1 of different lengths is limited within a set range, a thread glue dispensing station 8 for applying thread glue to the internal threaded portion of the nut member 2 of the screw member 1, an inspection station 9 with an inspection camera 52 for detecting the upper height of the screw member 1 or the dispensing quality, a fastening station 10 for assembling the screw member 3 to the nut member 2, a gear greasing station 11 for applying grease to the meshing tooth portion of the gear member 4, a screw greasing station 12 for applying grease to the external threaded portion of the screw, a slider screwing-in station 13 for installing the slider member 5 into the external thread of the screw member 1, and / or an output station 14 for waiting for an external manipulator to take out the assembled screw member 1 and deliver the screw member 1 to be assembled;

[0012] The pneumatic clamping jaws 15 are distributed on the rotating station disk 6, and the movement height of the clamping screw member 1 between each station is limited to a set range including the same height or different heights that meet the travel requirements of the equipment;

[0013] A rotating central axis 26 is provided at the center of the rotating station disk 6, and rotating Hall sensors 27 corresponding to each station are distributed around the rotating central axis 26. A rotating L-shaped angle positioning rod 28 for sensing positioning with the rotating Hall sensor 27 is provided on the rotating station disk 6;

[0014] In the pneumatic gripper fixture 15,

[0015] The mold clamping cylinders 29 are radially distributed on the rotating station disc 6;

[0016] The jig guide blocks 30 are arranged in pairs on both sides of the jig clamping cylinder 29, and the inner side surfaces thereof are in an eight-shaped structure;

[0017] The jig straightening and matching fingers 31 are hinged at their roots to the jig clamping cylinder 29 and move along the inner side of the jig guide block 30 to engage or release the lead screw 1. A jig reset spring 32 is provided between the jig straightening and matching fingers 31.

[0018] The base of the jig lower support plug plate 33 is connected to the jig clamping cylinder 29 and is used to insert and support the lead screw 1.

[0019] A height setting device 16 is provided at the input height setting station 7; in the height setting device 16,

[0020] The fixed height lifting lower support plate 34 moves up and down on the frame assembly;

[0021] The fixed height lower inner cone sleeve 35 is vertically arranged on the fixed height lifting lower support plate 34 and is used to align the lower end of the screw member 1;

[0022] A fixed height measuring block 36 is on the fixed height lifting support plate 34;

[0023] The height-fixing grating bar 37 is vertically arranged on the frame assembly and cooperates with the height-fixing measuring block 36 to measure the height data; according to the height data measurement, the height-fixing lifting lower support plate 34 drives the height-fixing lower inner cone sleeve 35 to rise and fall, thereby adjusting the position of the mold straightening and matching fingers 31 clamping the outer wall of the lead screw member 1;

[0024] The height-fixing electromagnet 38 is on the height-fixing lifting lower support plate 34 and is used for magnetic attraction with the frame assembly.

[0025] A thread glue dispensing device 17 is provided at the thread glue dispensing station 8; in the thread glue dispensing device 17,

[0026] A point thread base 39 is arranged on the frame assembly;

[0027] The point thread telescopic rod 40 is radially telescopic on the point thread base 39;

[0028] A point thread lifting seat 42 is on the point thread telescopic rod 40;

[0029] A point thread rotating gear 41 is rotatably disposed on the point thread telescopic rod 40 or the point thread lifting seat 42 and is used to mesh with the gear member 4;

[0030] The point thread swing seat 43 is hinged on the point thread lifting seat 42 through the point thread hinge shaft 46, and swings around the point thread hinge shaft 46;

[0031] The point thread arc groove 44 is located on the vertical side wall of the point thread swing seat 43;

[0032] The point thread guide rod 45 slides in the point thread arc groove 44;

[0033] The thread glue flow valve 47 is located on the thread glue swing seat 43 and is used for glueing the internal threads of the nut 2;

[0034] The thread-dotting rotating needle 48 corresponds to the outlet of the thread-dotting glue flow valve 47, so as to remove the glue solidified at the outlet, and the needle tip is a pyramid or eccentrically arranged;

[0035] The point thread needle clamping hand 49 is arranged on the point thread swing seat 43, and has a telescopic arm and a rotating arm connected thereto. The telescopic arm drives the point thread rotating needle 48 to move closer to or away from the outlet of the point thread glue flow valve 47, and the rotating arm drives the point thread rotating needle 48 to rotate;

[0036] The upper thread point 50 and the lower thread point 51 are located at the upper and lower ends of the screw member 1 at the thread glue point station 8 and are driven by a manipulator to clamp the center holes of the corresponding end faces of the screw member 1.

[0037] On the fastening station 10 there are a thread fastening mechanism 18 and a thread fastening clamping mechanism 19;

[0038] In the threaded fastening and clamping mechanism 19, the rear swing arm 53 is arranged in an eight-shaped shape and is driven by a cylinder to move radially; the front L-shaped movable arm 54 is hinged at its root with the end of the rear swing arm 53, and hinged on the frame assembly in the middle, and the end is arranged in an eight-shaped shape; in the horizontal plane, the root is perpendicular to the end, and a fastening semi-arc 55 for clamping the screw member 1 is arranged at the end;

[0039] A fastening half groove 56 is provided in the middle of the fastening half arc 55, a fastening spacer 57 is provided in the fastening half groove 56, the fastening half groove 56 embraces the process groove, and the fastening spacer 57 is fixed in the process groove;

[0040] In the threaded fastening mechanism 18, the fastening sensor 58 is used to sense whether the screw 3 reaches the nut 2; the fastening lifting head 59 moves up and down on the frame assembly; the fastening feeding manipulator 61 is used to deliver the screw 3 to the inner nut of the nut 2 at the upper end of the screw 1 clamped by the fastening semi-arc 55; the fastening screwing head 60 rotates on the fastening lifting head 59, and the fastening lifting head 59 drives the screw 3 downward to be screwed into the inner nut of the nut 2;

[0041] A gear grease coating device 20 is provided at the gear grease coating station 11. In the gear grease coating device 20, a gear rotation driving head 62 is raised and lowered on the frame assembly and drives the lead screw member 1 to rotate;

[0042] The gear grease feeding hose 63 is installed on the frame assembly by a manipulator;

[0043] The gear V-shaped grease nipple 64 is installed at the end of the gear grease delivery hose 63, and is projected in a < shape in the vertical plane, which coincides with the groove of the gear member 4; it has a gear front V-shaped nozzle side 65 and a gear rear V-shaped nozzle side 66 relative to the rotation direction of the gear member 4, the gear rear V-shaped nozzle side 66 is wider than the gear front V-shaped nozzle side 65, and the gear rear V-shaped nozzle side 66 has a glue-spreading surface 67 relative to the gear front V-shaped nozzle side 65;

[0044] The screw grease application station 12 is provided with a screw grease application device 21. In the screw grease application device 21,

[0045] The clamping hand 71 on the lead screw is radially telescopic on the frame assembly;

[0046] The screw lifting seat 68 is lifted and lowered on the frame assembly;

[0047] The lower screw clamping hand 72 is on the screw lifting seat 68 and is located below the upper screw clamping hand 71;

[0048] The screw auxiliary pair of wheels 70 are respectively on the upper clamping hand 71 of the screw and the lower clamping hand 72 of the screw, and the axis center line of the screw auxiliary pair of wheels 70 is horizontally arranged;

[0049] The rotating tray 69 under the lead screw clamps the bottom of the lead screw 1 and drives the lead screw 1 to rotate;

[0050] A lead screw grease nozzle 73 is lifted and arranged on the frame assembly and is used to engage and grease the external thread of the lead screw member 1;

[0051] The slider screwing-in station 13 is provided with a slider loading structure 22, which is provided with a vertical channel pre-stored with the slider member 5; a slider misalignment structure 23, located at the bottom of the vertical channel, is used to output the slider members 5 one by one horizontally from the bottom of the vertical channel; a slider conveying mechanism 24, whose input end is located at the output end of the slider misalignment structure 23; a slider screwing-in mechanism 25, located at the slider screwing-in station 13, receives the slider member 5 output by the slider conveying mechanism 24 and screws it onto the external thread of the screw member 1;

[0052] The slider loading structure 22 has a drop channel 74 for storing the slider member 5 and having an open lower end;

[0053] The bottom tray 75 of the slider is located directly below the falling channel 74 and is arranged to be lifted and lowered to support the slider members 5 to emerge from the lower end of the falling channel 74 one by one;

[0054] The slider misalignment structure 23 has a slider misalignment pusher 76, which is arranged on one side of the slider bottom tray 75, and is pushed by a push rod to horizontally push out the slider member 5 exposed from the lower end of the falling channel 74 on the slider bottom tray 75;

[0055] The slider conveying mechanism 24 has a horizontally placed linear reciprocating drive;

[0056] The slider horizontal delivery support 77 is arranged on the linear reciprocating drive and receives the slider member 5 pushed out by the slider misalignment pusher 76 at the input end. The linear reciprocating drive delivers the slider member 5 to the slider screw-in station 13;

[0057] The slider screw-in mechanism 25 has a slider assembly base 78 that is lifted and arranged at the slider screw-in station 13;

[0058] The slider assembly rotating sleeve 79 is arranged on the slider assembly bottom support 78; it receives the slider member 5 delivered by the slider horizontal delivery support 77;

[0059] The slider rotating head 80 drives the slider assembly rotating sleeve 79 to rotate, and the slider component 5 is rotated and screwed into the screw component 1;

[0060] The slider assembly overload spring 81 is connected between the slider rotating head 80 and the slider assembly base 78 .

[0061] Used to apply glue to the nut member 2 on the lead screw member 1 and assemble the screw member 3;

[0062] A thread glue dispenser 17 is provided on the frame assembly; in the thread glue dispenser 17,

[0063] A point thread base 39 is arranged on the frame assembly;

[0064] The point thread telescopic rod 40 is radially telescopic on the point thread base 39;

[0065] A point thread lifting seat 42 is on the point thread telescopic rod 40;

[0066] A point thread rotating gear 41 is rotatably disposed on the point thread telescopic rod 40 or the point thread lifting seat 42 and is used to mesh with the gear member 4;

[0067] The point thread swing seat 43 is hinged on the point thread lifting seat 42 through the point thread hinge shaft 46, and swings around the point thread hinge shaft 46;

[0068] The point thread arc groove 44 is located on the vertical side wall of the point thread swing seat 43;

[0069] The point thread guide rod 45 slides in the point thread arc groove 44;

[0070] The thread glue flow valve 47 is located on the thread glue swing seat 43 and is used to glue the internal threads of the nut 2; the thread glue rotating needle 48 corresponds to the outlet of the thread glue flow valve 47, so as to remove the glue solidified at the outlet, and the needle tip is a pyramid or eccentrically set;

[0071] The point thread needle clamping hand 49 is arranged on the point thread swing seat 43, and has a telescopic arm and a rotating arm connected thereto. The telescopic arm drives the point thread rotating needle 48 to move closer to or away from the outlet of the point thread glue flow valve 47, and the rotating arm drives the point thread rotating needle 48 to rotate;

[0072] The upper thread point 50 and the lower thread point 51 are located at the upper and lower ends of the screw member 1 at the thread glue point station 8 and are driven by a manipulator to clamp the center holes of the corresponding end faces of the screw member 1.

[0073] The frame assembly is provided with a threaded fastening mechanism 18 and a threaded fastening clamping mechanism 19; in the threaded fastening clamping mechanism 19, the rear swing arm 53 is arranged in an "eight" shape and is driven by a cylinder to move radially; the front L-shaped movable arm 54 is hinged at its root with the end of the rear swing arm 53, and its middle is hinged on the frame assembly, and its end is arranged in an "eight" shape; in the horizontal plane, the root is perpendicular to the end, and a fastening semi-arc 55 for clamping the lead screw 1 is arranged at the end; a fastening semi-groove 56 is arranged in the middle of the fastening semi-arc 55, and a fastening space is arranged in the fastening semi-groove 56. The spacer 57 and the fastening half groove 56 embrace the synthetic process groove, and the fastening spacer 57 is fixed in the process groove; in the threaded fastening mechanism 18, the fastening sensor 58 is used to sense whether the screw component 3 has reached the nut component 2; the fastening lifting head 59 moves up and down in the frame assembly; the fastening feeding robot 61 is used to deliver the screw component 3 to the inner nut of the nut component 2 at the upper end of the screw component 1 clamped by the fastening half arc 55; the fastening screwing head 60 rotates on the fastening lifting head 59, and the fastening lifting head 59 drives the downward movement to screw the screw component 3 into the inner nut of the nut component 2.

[0074] Used to grease the external thread of the gear member 4; a gear grease device 20 is provided on the frame assembly, in which the gear rotation drive head 62 is lifted and lowered on the frame assembly and drives the lead screw member 1 to rotate; the gear grease delivery hose 63 is installed on the frame assembly through a manipulator;

[0075] The gear V-shaped grease nipple 64 is installed at the end of the gear grease delivery hose 63, and is projected into a < shape in the vertical plane, which coincides with the groove of the gear part 4; it has a gear front V-shaped mouth side 65 and a gear rear V-shaped mouth side 66 relative to the rotation direction of the gear part 4, the gear rear V-shaped mouth side 66 is wider than the gear front V-shaped mouth side 65, and the gear rear V-shaped mouth side 66 has a glue surface 67 relative to the gear front V-shaped mouth side 65.

[0076] Used to grease the external thread of the screw member 1 and assemble the slider member 5; a screw grease coating device 21 is provided on the frame assembly, in which a clamping hand 71 on the screw is radially telescopic on the frame assembly; a screw lifting seat 68 is lifted and lowered on the frame assembly;

[0077] The lower screw clamping hand 72 is on the screw lifting seat 68 and is located below the upper screw clamping hand 71;

[0078] The screw auxiliary pair of wheels 70 are respectively on the upper clamping hand 71 of the screw and the lower clamping hand 72 of the screw, and the axis center line of the screw auxiliary pair of wheels 70 is horizontally arranged;

[0079] The rotating tray 69 under the lead screw clamps the bottom of the lead screw 1 and drives the lead screw 1 to rotate;

[0080] The lead screw grease nozzle 73 is lifted and arranged on the frame assembly and is used to mesh and grease the external thread of the lead screw member 1; a slider screw-in station 13 is arranged on the frame assembly; the slider screw-in station 13 has a slider loading structure 22, which is provided with a vertical channel in which the slider member 5 is pre-stored; the slider misalignment structure 23 is located at the bottom of the vertical channel and is used to output the slider members 5 one by one horizontally from the bottom of the vertical channel; the slider conveying mechanism 24, whose input end is located at the output end of the slider misalignment structure 23; the slider screw-in mechanism 25, located at the slider screw-in station 13, receives the slider member 5 output by the slider conveying mechanism 24 and screws it onto the external thread of the lead screw member 1; the slider loading structure 22 has a falling channel 74 for storing the slider member 5 and having an opening at the lower end;

[0081] The slider bottom tray 75 is located directly below the falling channel 74, and is lifted and lowered to support the slider members 5 one by one and expose them from the lower end of the falling channel 74; the slider material misalignment structure 23 has a slider misalignment pusher 76, which is arranged on one side of the slider bottom tray 75, and is pushed by a push rod to horizontally push out the slider member 5 exposed from the lower end of the falling channel 74 on the slider bottom tray 75; the slider conveying mechanism 24 has a horizontally placed linear reciprocating drive; the slider horizontal delivery support 77 is arranged on the linear reciprocating drive and receives the slider member 5 pushed out by the slider misalignment pusher 76 at the input end, and the linear reciprocating drive delivers the slider member 5 to the slider screw-in station 13; the slider screw-in mechanism 25 has a slider assembly bottom support 78 lifted and lowered at the slider screw-in station 13;

[0082] The slider assembly rotating sleeve 79 is set on the slider assembly base 78; it receives the slider part 5 sent in by the slider horizontal delivery support 77; the slider rotating head 80 drives the slider assembly rotating sleeve 79 to rotate, and rotates and screws the slider part 5 on the screw part 1; the slider assembly overload spring 81 is connected between the slider rotating head 80 and the slider assembly base 78.

[0083] The automatic assembly method for producing the driver screw of this embodiment comprises the following steps: connecting each station by rotating the station disk 6;

[0084] Step 1: At the output station 14, the delivered lead screw 1 is clamped by the pneumatic clamp jig 15; first, in the pneumatic clamp jig 15, the jig clamping cylinder 29 drives the jig straightening and matching fingers 31 to extend along the inner side of the jig guide block 30 and open through the jig reset spring 32; then, the lead screw 1 is delivered to the jig straightening and matching fingers 31; secondly, the pneumatic clamp jig 15 drives the jig straightening and matching fingers 31 to retreat and clamp the lead screw 1;

[0085] Step 2, at the input height setting station 7, with the aid of the height setting device 16; first, the height setting lower inner cone sleeve 35 is driven to rise and align with the lower end of the screw member 1 through the height setting lifting lower support plate 34, and the height data is measured through the height setting grating bar 37 and the height setting measurement block 36; then, when the set height is reached, the mold lower support plug plate 33 is inserted and lifts the screw member 1; secondly, the height setting lower inner cone sleeve 35 moves downward, so that the corresponding step surface of the screw member 1 is placed on the mold lower support plug plate 33; thirdly, the height setting electromagnet 38 is magnetically attracted to the frame assembly;

[0086] Step three, at the thread glue dotting station 8, with the aid of the thread glue dotting device 17; first, adjust the height of the thread glue dotting lifting seat 42, and clamp the center hole of the corresponding end face of the screw member 1 through the thread glue dotting top 50 and the thread glue dotting bottom top 51; then, the thread glue dotting telescopic rod 40 drives the thread glue dotting rotating gear 41 to mesh and rotate with the gear member 4; secondly, the thread glue dotting swing seat 43 swings around the thread glue dotting hinge shaft 46 under the action of the thread glue dotting guide rod 45, thereby adjusting the inclination angle of the thread glue dotting flow valve 47 and dotting glue on the internal thread of the rotating nut 2;

[0087] Step 4: At the inspection station 9, the upper height of the lead screw 1 or the dispensing quality is inspected by the inspection camera 52;

[0088] Step 5, at the fastening station 10, with the aid of the threaded fastening mechanism 18 and the threaded fastening clamping mechanism 19; first, the cylinder drives the fastening rear swing arm 53 to drive the fastening front L movable arm 54 to align, and the fastening semi-arc 55 undertakes and clamps the screw member 1; then, the fastening feeding manipulator 61 delivers the screw member 3 to the inner nut of the nut member 2 at the upper end of the screw member 1 clamped by the fastening semi-arc 55; secondly, the fastening screwing head 60 is driven downward by the fastening lifting head 59 to screw the screw member 3 into the inner nut of the nut member 2;

[0089] Step 6, at the gear greasing station 11, with the aid of the gear greasing device 20, first, the gear rotating driving head 62 descends and drives the lead screw 1 to rotate; then, the gear V-shaped grease nozzle 64 of the gear grease feeding hose 63 enters the groove of the gear part 4 and applies grease; secondly, the gear V-shaped grease nozzle 64 uses the shape of < to make the grease in the groove of the gear part 4 more than the edge, and avoids the grease from being exposed; thirdly, the grease in the groove of the gear part 4 is smoothed by the greasing surface 67;

[0090] Step 7, at the screw greasing station 12, with the aid of the screw grease greasing device 21; first, the screw auxiliary pair wheel 70 of the upper screw clamping hand 71 and the screw auxiliary pair wheel 70 of the lower screw clamping hand 72 clamp the bottom of the screw member 1 and drive the screw member 1 to rotate; secondly, the screw grease nozzle 73 rises and falls on the frame assembly and meshes and greases the external thread of the screw member 1;

[0091] Step 8, at the slider screwing-in station 13, with the help of the slider loading structure 22, the slider misalignment structure 23, the slider conveying mechanism 24 and the slider screwing-in mechanism 25; first, the slider member 5 is pre-stored in the vertical channel of the slider member 5; then, the slider bottom tray 75 outputs the slider members 5 one by one from the bottom of the vertical channel; secondly, the slider misalignment pusher 76 pushes the slider member 5 exposed from the lower end of the falling channel 74 on the slider bottom tray 75 horizontally to the slider horizontal delivery support hand 77 and is clamped; thirdly, the linear reciprocating drive pushes the slider horizontal delivery support hand 77 to horizontally deliver the slider member 5 to the slider screwing-in station 13, and the slider horizontal delivery support hand 77 places the slider member 5 on the slider assembly rotating sleeve 79; then, the slider assembly bottom support 78 rises and the slider rotating head 80 rotates, so that the slider member 5 is rotated and screwed on the screw member 1;

[0092] Step nine, outputting the assembled lead screw member 1 through a robot at the output station 14 .

[0093] The present invention realizes the assembly of the screw component 1, the nut component 2, the screw component 3, the gear component 4, and the slider component 5, wherein the rotating workstation disc 6 realizes the process connection. The rotating central axis 26 is used as the rotation reference, the rotating Hall sensor 27, the rotating L-shaped angle positioning rod 28 realizes the determination and precise sensing of each angle, the jig clamping cylinder 29 realizes the clamping drive, the jig guide block 30 realizes the opening and closing guide, the jig straightening and matching fingers 31 realize the clamping, the jig reset spring 32 realizes the automatic reset, the jig lower support plate 33 realizes the vertical direction positioning, the height-fixing lifting lower support plate 34 realizes the height adjustment, the height-fixing lower inner cone sleeve 35 realizes the precise positioning, the height-fixing measuring block 36, the height-fixing grating bar 37 realizes the height measurement, the height-fixing electromagnet 38 realizes the adsorption and fixation, the point thread base 39 is the support, and the point thread telescopic rod 40 realizes Now the point thread rotating gear 41 is driven to engage and disengage, thereby driving the screw to rotate, the point thread lifting seat 42 realizes height adjustment, the point thread swing seat 43 swings to achieve angle adjustment, the point thread arc groove 44 realizes guidance, the point thread guide rod 45 is driven by the push rod, the point thread hinge shaft 46 is the support shaft, the point thread glue flow valve 47 realizes the application of glue, and when blockage occurs, the point thread needle clamping hand 49 operates the point thread rotating needle head 48 to realize rotation and telescopic drive, so as to remove and clean the solidified glue from the port, the point thread upper top 50 and the point thread lower top 51 are aligned and rotated, the inspection camera 52 realizes detection, and swings after tightening. The arm 53 realizes driving, the front L-shaped movable arm 54 drives the fastening semi-arc 55 to realize clamping, the fastening semi-groove 56 realizes thickness adjustment through the fastening spacer 57 to avoid damage to the screw rod, the fastening sensor 58 realizes position sensing, the fastening lifting head 59, the fastening screwing head 60 realizes driving rotation, the fastening feeding manipulator 61 realizes automatic feeding, the gear rotation driving head 62 realizes driving rotation through the claw or manipulator, the gear grease feeding hose 63 realizes grease filling, and the gear V-shaped grease nozzle 64 has an ingenious structure. The gear front V-shaped nozzle side 65 and the gear rear V-shaped nozzle side 66 make the grease concentrate at the center to avoid grease on the end face, and the middle part is greased by the glue surface 67. The raised grease is applied to the outer periphery of the teeth. The design is ingenious. The screw lifting seat 68 is lifted and lowered, the rotating tray 69 under the screw, the screw auxiliary wheel 70 realizes lossless support for rotation, the clamping hand 71 on the screw and the clamping hand 72 under the screw realize straightening, the screw grease nozzle 73 outputs, and the falling channel 74 realizes output by gravity. The tray 75 at the bottom of the slider realizes the reception, the slider misalignment pusher 76 pushes the slider to prevent the slider in the channel from continuing to fall, the slider flat delivery support hand 77 talks about the work station connection, the slider assembly bottom bracket 78 realizes lifting support, the slider assembly rotating sleeve 79 realizes lifting, the hollow design meets the requirements of accommodating the screw, and the slider rotating head 80 drives the rotation.

Claims

1. An automated assembly system for the production of drive screws, characterized in that: Used for assembling a screw part (3) and / or a slider part (5) on a lead screw part (1) pre-installed with a nut part (2) and / or a gear part (4); it comprises a frame assembly; The frame assembly is provided with: A rotating work station disk (6) is arranged on the frame assembly and driven to rotate by a motor; The rotating workstation disk (6) is provided with an input height setting station (7) for receiving a vertically fed lead screw member (1) and ensuring that the upper height of lead screw members (1) of different lengths is limited within a set range, a thread glue dispensing station (8) for applying thread glue to the internal threaded portion of the nut member (2) of the lead screw member (1), an inspection station (9) with an inspection camera (52) for detecting the upper height of the lead screw member (1) or the dispensing quality, a fastening station (10) for assembling the screw member (3) onto the nut member (2), a gear greasing station (11) for applying grease to the meshing teeth of the gear member (4), a lead screw greasing station (12) for applying grease to the external threaded portion of the lead screw, a slider screwing station (13) for inserting a slider member (5) into the external thread of the lead screw member (1), and / or an output station (14) for waiting for an external manipulator to take out the assembled lead screw member (1) and deliver the lead screw member (1) to be assembled; Pneumatic clamping jaws (15) are distributed on the rotating workstation disk (6), and the movement height of the clamping screw member (1) between each workstation is limited to a set range including the same height or different heights that meet the travel requirements of the equipment; A rotating central axis (26) is arranged at the center of the rotating work station disk (6), and rotating Hall sensors (27) corresponding to each work station are distributed around the rotating central axis (26), and a rotating L-shaped angle positioning rod (28) for sensing positioning with the rotating Hall sensor (27) is arranged on the rotating work station disk (6); In the pneumatic gripper fixture (15), The mold clamping cylinders (29) are radially distributed on the rotating work station disk (6); The jig guide blocks (30) are arranged in pairs on both sides of the jig clamping cylinder (29); The tire tool correcting and matching fingers (31) are hinged at their roots to the tire tool clamping cylinder (29) and move along the inner side of the tire tool guide block (30) to engage or release the lead screw member (1). A tire tool reset spring (32) is arranged between the tire tool correcting and matching fingers (31); A threaded fastening mechanism (18) and a threaded fastening clamping mechanism (19) are provided on the fastening station (10); In the threaded fastening and clamping mechanism (19), the rear swing arm (53) is arranged in an "eight" shape and is driven by a cylinder to move radially; the front L-shaped movable arm (54) is hinged at its root with the end of the rear swing arm (53), hinged at its middle on the frame assembly, and arranged at its end in an "eight" shape; in a horizontal plane, the root is perpendicular to the end, and a fastening semi-arc (55) for clamping the lead screw member (1) is arranged at the end; A fastening semi-groove (56) is arranged in the middle of the fastening semi-arc (55), a fastening spacer (57) is arranged in the fastening semi-groove (56), the fastening semi-groove (56) embraces the process groove, and the fastening spacer (57) is fixed in the process groove; In the threaded fastening mechanism (18), a fastening sensor (58) is used to sense whether the screw component (3) has reached the nut component (2); a fastening lifting head (59) moves up and down on the frame assembly; a fastening feeding manipulator (61) is used to deliver the screw component (3) to the inner nut of the nut component (2) at the upper end of the lead screw component (1) clamped by the fastening semi-arc (55); and a fastening screwing head (60) rotates on the fastening lifting head (59) and screws the screw component (3) into the inner nut of the nut component (2) when the fastening lifting head (59) drives the screwing lifting head (59) downward.

2. The automatic assembly system for producing a drive screw according to claim 1, characterized in that The base of the mold lower support plug plate (33) is connected to the mold clamping cylinder (29) and is used to insert and support the lead screw member (1).

3. The automatic assembly system for producing a drive screw according to claim 2, characterized in that : A height setting device (16) is provided at the input height setting station (7); In the height setting device (16), A fixed height lifting lower support plate (34) moves up and down on the frame assembly; A fixed height lower inner cone sleeve (35) is vertically arranged on the fixed height lifting lower support plate (34) and is used to align the lower end of the screw member (1); A height-fixing measuring block (36) is on the height-fixing lifting support plate (34); The height-fixing grating strip (37) is vertically arranged on the frame assembly and cooperates with the height-fixing measuring block (36) to measure the height data; according to the height data measurement, the height-fixing lifting lower support plate (34) drives the height-fixing lower inner cone sleeve (35) to rise and fall, thereby adjusting the position of the outer side wall of the screw member (1) clamped by the mold straightening and matching fingers (31); The height-fixing electromagnet (38) is on the height-fixing lifting lower support plate (34) and is used for magnetically engaging with the frame assembly.

4. The automated assembly system for producing a drive screw according to claim 3, characterized in that : A thread glue dispensing device (17) is provided at the thread glue dispensing station (8); in the thread glue dispensing device (17), A point thread base (39) is arranged on the frame assembly; A point thread telescopic rod (40) is radially telescopic on the point thread base (39); A point thread lifting seat (42) is on the point thread telescopic rod (40); A point thread rotating gear (41) is rotatably arranged on the point thread telescopic rod (40) or the point thread lifting seat (42) and is used to mesh with the gear member (4); The point thread swing seat (43) is hinged on the point thread lifting seat (42) through the point thread hinge shaft (46) and swings around the point thread hinge shaft (46); The point thread arc groove (44) is located on the vertical side wall of the point thread swing seat (43); A point thread guide rod (45) slides in the point thread arc groove (44); A thread glue dispensing flow valve (47), located on the thread dispensing swing seat (43), is used for dispensing glue on the internal threads of the nut (2); The thread-dot rotating needle (48) corresponds to the outlet of the thread-dot glue flow valve (47), so as to remove the glue solidified at the outlet, and the needle tip is a pyramid or eccentrically arranged; The point thread needle clamping hand (49) is arranged on the point thread swing seat (43) and has a telescopic arm and a rotating arm connected to each other. The telescopic arm drives the point thread rotating needle (48) to move closer to or away from the outlet of the point thread glue flow valve (47), and the rotating arm drives the point thread rotating needle (48) to rotate. The thread point upper tip (50) and the thread point lower tip (51) are located at the upper and lower ends of the lead screw member (1) at the thread point glue station (8) and are driven by a manipulator to clamp the center holes of the corresponding end faces of the lead screw member (1).

5. The automatic assembly system for producing a drive screw according to claim 4, characterized in that : A gear grease coating device (20) is provided at the gear grease coating station (11). In the gear grease coating device (20), a gear rotation driving head (62) is raised and lowered on the frame assembly and drives the lead screw member (1) to rotate; The gear grease feeding hose (63) is installed on the frame assembly by a manipulator; The gear V-shaped grease nipple (64) is installed at the end of the gear grease delivery hose (63), and is projected in a < shape on a vertical plane, which matches the groove of the gear member (4); it has a gear front V-shaped nozzle side (65) and a gear rear V-shaped nozzle side (66) relative to the rotation direction of the gear member (4); the gear rear V-shaped nozzle side (66) is wider than the gear front V-shaped nozzle side (65), and the gear rear V-shaped nozzle side (66) has a grease-applying surface (67) relative to the gear front V-shaped nozzle side (65); The screw grease coating station (12) is provided with a screw grease coating device (21). In the screw grease coating device (21), A clamping hand (71) on the lead screw is radially telescopic on the frame assembly; A screw lifting seat (68) is lifted and lowered on the frame assembly; A lower screw clamping hand (72) is on the screw lifting seat (68) and is located below the upper screw clamping hand (71); The screw auxiliary wheel (70) is respectively on the upper screw clamping hand (71) and the lower screw clamping hand (72), and the axis of the screw auxiliary wheel (70) is horizontally arranged; A rotating tray (69) under the lead screw clamps the bottom of the lead screw member (1) and drives the lead screw member (1) to rotate; A lead screw grease nozzle (73) is lifted and arranged on the frame assembly and is used to engage and grease the external thread of the lead screw member (1); A slider loading structure (22) is provided at the slider screwing-in station (13), and a vertical channel in which the slider components (5) are pre-stored; a slider misalignment structure (23) is located at the bottom of the vertical channel and is used to output the slider components (5) one by one horizontally from the bottom of the vertical channel; a slider conveying mechanism (24) has an input end located at the output end of the slider misalignment structure (23); and a slider screwing-in mechanism (25) is located at the slider screwing-in station (13), and receives the slider components (5) output by the slider conveying mechanism (24) and screws them onto the external threads of the lead screw component (1); A slider loading structure (22) having a slider dropping channel (74) for storing the slider member (5) and having an open lower end; The bottom tray (75) of the slider is located directly below the slider falling channel (74) and is arranged to be lifted and lowered to support the slider members (5) one by one to emerge from the lower end of the slider falling channel (74); The slider misalignment structure (23) has a slider misalignment pusher (76), which is arranged on one side of the slider bottom tray (75) and is pushed by a push rod to horizontally push out the slider member (5) exposed from the lower end of the slider drop channel (74) on the slider bottom tray (75); The slider conveying mechanism (24) has a horizontally placed linear reciprocating drive; The slider horizontal delivery support hand (77) is arranged on the linear reciprocating drive and receives the slider member (5) pushed out by the slider misalignment pusher (76) at the input end. The linear reciprocating drive delivers the slider member (5) to the slider screw-in station (13); The slider screw-in mechanism (25) comprises a slider assembly base (78) which is lifted and arranged at the slider screw-in station (13); The slider assembly rotating sleeve (79) is arranged on the slider assembly bottom bracket (78) and receives the slider member (5) delivered by the slider horizontal delivery support (77); The slider rotating head (80) drives the slider assembly rotating sleeve (79) to rotate, and the slider component (5) is rotated and screwed onto the screw component (1); The slider assembly overload spring (81) is connected between the slider rotating head (80) and the slider assembly base (78); the frame assembly is provided with a threaded fastening mechanism (18) and a threaded fastening clamping mechanism (19); In the threaded fastening mechanism (18), a fastening sensor (58) is used to sense whether the screw member (3) has reached the nut member (2); a fastening lifting head (59) moves up and down on the frame assembly; a fastening feeding manipulator (61) is used to deliver the screw member (3) to the inner nut of the nut member (2) at the upper end of the screw member (1) clamped by the fastening semi-arc (55); The tightening screwing head (60) is rotated on the tightening lifting head (59), and the screw member (3) is screwed into the inner nut of the nut member (2) under the driving of the tightening lifting head (59).

6. The automated assembly system for producing a drive screw according to claim 5, characterized in that : used to grease the external threads of the screw member (1) and assemble the slider member (5); A screw grease coating device (21) is provided on the frame assembly. In the screw grease coating device (21), A lead screw grease nozzle (73) is lifted and arranged on the frame assembly and is used to mesh and grease the external thread of the lead screw member (1); a slider screw-in station (13) is arranged on the frame assembly.

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