CN218503827U - Valve rod, valve handle and nut assembling machine - Google Patents

Abstract

The utility model discloses a valve rod, valve handle, nut assembly complete machine sets up valve rod feed mechanism, valve handle assembly devices, nut assembly devices, unloading mechanism in the periphery of rotation type workstation, concentrates as an organic whole with the multi-functional unit in this scheme, raises the efficiency, has improved nut assembly devices, revolves the floating clamp nut of screwing mechanism, like product on the relative market, the structure of the floating centre gripping nut of this scheme is more simplified, and cost reduction helps improving the product competitiveness.

Description

Valve rod, valve handle and nut assembling machine

Technical Field

The utility model relates to a valve rod assembly quality technical field, concretely relates to valve rod, valve handle, nut assembly complete machine.

Background

At present, the assembly and molding of valve parts are mostly performed by automatic or semi-automatic devices, such as the installation of a valve handle on a valve rod, the installation of a nut and the like, but in most of the devices on the market, the functional units are distributed more dispersedly, and after the valve handle is assembled on the valve rod, the valve handle needs to be moved to the next workshop or a production line for the assembly of the nut and the like, so that the efficiency is low.

In addition, in the installation of nut, the market adopts in many ways if install a plurality of power type fixture with the fixed nut in the pivot of driving motor output, later driving motor starts to twist and closes, and common power fixture structure and installation are comparatively complicated, and are with high costs, need to improve.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one technical defect, the utility model provides a following technical scheme:

the application document discloses a valve rod, a valve handle and a nut assembling complete machine, which comprises a workbench, a nut assembling mechanism, a valve handle assembling mechanism, a valve rod feeding mechanism and a blanking mechanism, wherein the valve rod feeding mechanism, the valve handle assembling mechanism, the nut assembling mechanism and the blanking mechanism are arranged on the periphery of the rotary workbench, and a jig is arranged on the workbench;

the valve handle assembling mechanism comprises a valve handle feeding mechanism, a valve handle pressing mechanism, a valve handle rotating mechanism and a valve handle pressing mechanism;

the nut assembling mechanism comprises a nut screwing mechanism, and the nut screwing mechanism comprises a driving motor, a clamping mechanism and a rotating shaft; the output end of the driving motor is provided with an installation seat, a rotating shaft is arranged on the installation seat in a sliding fit mode along the axial direction, and the rotating shaft synchronously rotates along with the installation seat; set up clamping mechanism in the pivot, clamping mechanism includes sleeve, a plurality of clamping jaw, elastic component one, elastic component two, the head end terminal surface department of pivot sets up a plurality of breachs on recess and Zhou Cecao jade, clamping jaw middle part pivotal connection is in breach department and clamping jaw stretch into the recess from breach department at the rotation in-process head end, the elastic component dual-purpose is in order to reset the clamping jaw, the cover has the sleeve and follows axial sliding fit in the pivot between clamping jaw and the mount pad, sleeve head end and clamping jaw tail end are the slope contact, set up elastic component one between sleeve and mount pad or the pivot.

In the scheme, the multifunctional units are integrated, and the valve rod feeding mechanism, the valve handle assembling mechanism, the nut assembling mechanism, the discharging mechanism and the like are installed on the periphery of the rotary workbench, so that the valve rod, the valve handle, the nut and the like are assembled in such a way, and the efficiency is improved.

The nut assembling mechanism is improved, the screwing mechanism clamps the nut in a floating mode, the driving motor is moved towards the valve rod or the valve rod workpiece to be installed is moved towards the rotating shaft, the rotating shaft is stressed to move backwards relative to the installing seat, the sleeve on the rotating shaft moves forwards relative to the clamping jaw and is abutted against the clamping jaw, the elastic piece deforms during the process, the tail end of the clamping jaw is enabled to be in an open state in an inclined contact mode, the head end of the clamping jaw is enabled to be in a closed state and clamps the nut in the groove synchronously, the elastic piece deforms synchronously, after clamping and fixing, the driving motor is started to drive the rotating shaft to rotate, the nut is opened and screwed, after screwing is completed, the driving motor or the valve rod workpiece moves backwards, the elastic piece second closes the tail end of the clamping jaw again after the rotating shaft loses external force, and the elastic piece resets the sleeve synchronously, and the rotating shaft is in an initial state. Compared with similar products on the market, the structure of the floating clamping nut is simplified, the cost is reduced, and the product competitiveness is improved beneficially.

Furthermore, the rotating shaft comprises a shaft body and clamping blocks, the clamping blocks are fixed at the head end of the shaft body at intervals along the circumferential direction, the head ends of the clamping blocks axially extend to the outer side of the head end of the shaft body and form a groove in an enclosing mode, a gap between every two adjacent clamping blocks forms a notch, and the clamping jaw is located at the notch and is in pivot connection with the adjacent clamping blocks; adopt split type package assembly, the pivot is constituteed in axis body and the cooperation of clamp splice, and each part shaping degree of difficulty reduces, makes things convenient for the installation of clamping jaw.

The second elastic piece is annular and is sleeved at the tail ends of the clamping jaws which are annularly distributed, so that the tail ends of the clamping jaws are in a folded state; the elastic piece is sleeved on the rotating shaft and positioned between the sleeve and the mounting seat; for the second elastic member, the purpose is to urge the jaw to return, and a common hinging scheme such as a jaw torsion spring uses a torsion spring as the second elastic member. Preferably, as described in the scheme, the annular elastic part II is directly sleeved on the ring body formed by the tail ends of the clamping jaws, and the tail ends of the clamping jaws are driven to be in a folding state through the elastic force of the elastic part II. The elastic member may be a variety of members, such as a common spring.

Preferably, the first elastic element is a spring;

the sleeve contacts with the tail end of the clamping jaw in an inclined mode, if the to-be-contacted surface of the tail end of the clamping jaw is in an inclined plane state, or preferably, the surface, abutted to the tail end of the clamping jaw, on the sleeve is an inclined plane, and the clamping jaw is more convenient to form.

To pivot and mount pad axial slip and synchronous pivoted mode, common cooperation structure is like the unsmooth formula, and the mounting pad corresponds the mounting hole internal diameter of pivot and outwards extrudes the part, like the protruding stupefied that the integral type radially outwards extrudes the formation, along axial shaping spout in the corresponding pivot. Of course, a screw, a positioning pin and the like can be screwed in the radial direction, and the end part of the positioning pin extends into a sliding groove or a waist hole formed in the axial direction of the rotating shaft.

Preferably, the method comprises the following steps: the novel rotary shaft is characterized in that a plane is formed on the peripheral wall of the tail end of the rotary shaft along the axial direction, the mounting seat is axially formed into a hole which is consistent with the tail end of the rotary shaft in shape, the tail end of the rotary shaft is inserted into the hole formed in the axial direction of the mounting seat, a waist hole is formed in the rotary shaft, and a positioning pin is arranged on the mounting seat and extends into the waist hole. The upper plane of the rotating shaft is used as a sliding groove, the corresponding plane on the wall of the hole of the mounting seat is used as a convex edge, and the positioning pin extends into the waist hole to prevent the rotating shaft from being separated from the mounting seat in the axial sliding process.

Further, the nut screwing mechanism comprises a transverse shifting mechanism III, and the transverse shifting mechanism III moves the driving motor towards the workbench jig in a reciprocating manner; and a transverse shifting mechanism III is added to move the driving motor, so that the operation is convenient. The third transverse shifting mechanism can be selected according to requirements, such as a screw nut, an air cylinder, a hydraulic cylinder and the like.

Still include material shifting mechanism, to the vibration dish feeding mechanism three of magazine feed, material shifting mechanism includes shift mechanism one, shift mechanism two, holds magazine, the push pedal of nut, shift mechanism one's removal end sets up magazine and shift mechanism two, shift mechanism one removes magazine and shift mechanism two towards pivot head department, shift mechanism two's removal end department sets up the push pedal, shift mechanism two removes the push pedal and promotes in nut to the pivot head end recess in the magazine with the push pedal. The auxiliary feeding of the material moving mechanism is added, which is helpful for improving the automation degree. The first shifting mechanism is responsible for moving the material box with the screw cap and the second shifting mechanism to the position of the head end of the rotating shaft, and the second shifting mechanism is matched with the push plate to move the screw cap in the material box to the groove of the rotating shaft again.

Further, the box body end notch level of magazine sets up logical groove, the box body department that leads to groove one side sets up the through-hole, the removal end of second shift mechanism passes and fixes the push pedal from the through-hole.

Preferably, the direction of the push plate, the axial direction of the through hole and the length extending direction of the through groove of the second shifting mechanism are parallel to the axial direction of the rotating shaft, and the second shifting mechanism and the material box are moved by the first shifting mechanism along the radial direction of the rotating shaft.

Preferably, the through hole is communicated with the through groove, and the second moving push plate of the shifting mechanism penetrates through a cavity formed after the through hole is communicated with the through groove. The through groove type structure is convenient for the nut to be placed in and the push plate to move secondarily. Of course, the structure that the moving end of the third shifting mechanism passes over the periphery of the material box and fixes the push plate can be selected. The through hole and the through groove are communicated to facilitate the push plate to push the nut, so that further integration is facilitated, and the size is reduced.

Further, the rack further comprises a sixth rack body and a seventh rack body, the third transverse shifting mechanism is fixed at the sixth rack body and the third transverse shifting mechanism is provided with a first sliding block at the moving end, the first sliding block is in sliding fit with the sixth rack body and is fixed on the first sliding block, the first shifting mechanism is fixed on the seventh rack body and is provided with a second sliding block at the moving end, the second sliding block is in sliding fit with the seventh rack body, and the second sliding block is provided with a material box and a second shifting mechanism. Each functional unit of increase support body with fixed mounting facilitates the use.

Further, the valve rod feeding mechanism comprises a first vibrating disk feeding mechanism, a first frame body, a first longitudinal shifting mechanism, a first transverse shifting mechanism, a first clamping mechanism, a second longitudinal shifting mechanism and an oil nozzle, the first transverse shifting mechanism and the second longitudinal shifting mechanism are arranged on the first frame body, the first longitudinal shifting mechanism is arranged at the moving end of the first transverse shifting mechanism and moves between the first workbench jig and the first vibrating disk feeding mechanism, the first clamping mechanism for clamping the valve rod is arranged at the moving end of the first longitudinal shifting mechanism and moves towards the first clamping mechanism at the discharge port of the first vibrating disk feeding mechanism, the second longitudinal shifting mechanism is arranged above the workbench, the moving end of the second longitudinal shifting mechanism is provided with the oil nozzle, and the oil nozzle moves towards the corresponding jig of the workbench. The frame body I supports and the vibrating disk supplies materials. The transverse shifting mechanism and the longitudinal shifting mechanism are matched with the adjusting clamping mechanism to adjust the position of the clamping mechanism and are matched with the clamping mechanism to clamp and feed materials to the jig by clamping the valve rod. The oil nozzle is connected with an external oil supply device, and the position of the oil nozzle is adjusted by the longitudinal shifting mechanism II so as to accurately correspond to the port of the valve rod to spray oil, thereby facilitating the installation of a subsequent valve handle.

Further, the valve handle feeding mechanism comprises a vibrating disk feeding mechanism II, a frame body II, a longitudinal shifting mechanism III, a clamping mechanism II and a transverse shifting mechanism II, wherein the transverse shifting mechanism II is arranged on the frame body II, the longitudinal shifting mechanism III is arranged at the moving end of the transverse shifting mechanism II, the longitudinal shifting mechanism III is moved at the position, corresponding to the jig and the vibrating disk feeding mechanism II, of the workbench, and the clamping mechanism II for clamping the valve handle is arranged at the moving end of the longitudinal shifting mechanism III; the second frame body supports the functional units, the vibration disc supplies materials, the second transverse shifting mechanism and the third longitudinal shifting mechanism are matched with the adjusting clamping mechanism to adjust the position of the second clamping mechanism, and the second clamping mechanism clamps the valve handle and feeds materials to the jig of the workbench in a matched mode.

Preferably, the valve handle feeding mechanism further comprises a steering mechanism, a first photoelectric sensor and a first sliding seat, the first sliding seat is arranged at the moving end of the third longitudinal shifting mechanism, the first sliding seat is provided with the steering mechanism, the first photoelectric sensor is arranged at the discharge hole of the second vibrating disc feeding mechanism to detect the position of a handle in the valve handle, and the steering mechanism is used for rotating the valve handle to adjust the orientation of the handle; the handles on two sides of part of the valve handle are different in shape, if the width is different, the end part with large width and the end part with small width are arranged in front and at the back to influence the subsequent assembly when the valve handle is assembled, and for the purpose, a steering mechanism is added, if the photoelectric sensor detects that the handle with large width or the handle with small width is arranged in front on the valve handle when feeding is carried out, the direction can be adjusted secondarily by the steering mechanism in time to enable the preset handle to be in a preset position.

Preferably, the steering mechanism comprises a first gear transmission mechanism and a first telescopic mechanism, the first gear rotating mechanism comprises a first rack and a first gear which are meshed with each other, the first rack is connected with the telescopic end of the first telescopic mechanism, the first gear is connected with the second clamping mechanism, the first telescopic mechanism moves the first rack, and the first gear rotates and synchronously rotates the second clamping mechanism. The valve handle is rotated by matching the gear and the rack with the telescopic mechanism, so that the valve handle is simple in structure and low in cost.

Further, the valve handle pressing mechanism comprises a frame body III, a longitudinal shifting mechanism IV and a pressing block I, the frame body III is provided with the longitudinal shifting mechanism IV, the moving end of the longitudinal shifting mechanism IV is provided with the pressing block I, and the longitudinal shifting mechanism moves the pressing block I towards the position, corresponding to the jig, of the workbench; the valve handle is pressed down to be in a proper position through the longitudinal displacement mechanism.

Preferably, the pressing device further comprises a second photoelectric sensor, the third frame body is provided with a sliding chute, and the second photoelectric sensor arranged at the moving end of the fourth longitudinal shifting mechanism moves along the sliding chute to detect whether the pressing is in place; and detecting whether the moving stroke of the pressing block is in place or not through the photoelectric sensor, so as to determine whether the valve handle is pressed down in place or not.

The valve handle pressing and fixing mechanism comprises a frame body five, a longitudinal shifting mechanism six and a pressing block two, wherein the longitudinal shifting mechanism six is arranged on the frame body five, and a moving end of the longitudinal shifting mechanism six is provided with the pressing block two and moves the pressing block two towards the position, corresponding to the jig, of the workbench. The valve handle is pressed by the valve handle pressing and fixing mechanism to keep stable, so that a nut can be conveniently screwed on a subsequent nut screwing mechanism.

The blanking mechanism comprises a rack body eight, a transverse shifting mechanism four, a longitudinal shifting mechanism seven and a clamping mechanism three, wherein the transverse shifting mechanism four is arranged on the rack body eight, the longitudinal shifting mechanism seven is arranged at the moving end of the transverse shifting mechanism four and moves towards the workbench jig to move in a reciprocating mode, and the clamping mechanism three is arranged at the moving end of the longitudinal shifting mechanism seven and moves upwards and downwards towards the workbench jig. The fourth transverse shifting mechanism and the seventh longitudinal shifting mechanism are matched with the third clamping mechanism to adjust the position of the third clamping mechanism, so that the third clamping mechanism clamps the workpiece in the workbench jig and then moves to a preset blanking position.

Further, the valve handle rotating mechanism comprises a frame body IV, a sliding seat II, a rotating direction adjusting mechanism and a longitudinal shifting mechanism V, wherein the frame body IV is provided with the longitudinal shifting mechanism V, the longitudinal shifting mechanism V drives the sliding seat II to move up and down towards the jig on the workbench, the sliding seat II is provided with the rotating direction adjusting mechanism, and the rotating direction adjusting mechanism is used for rotating the valve handle to the valve rod; the position of the rotary direction adjusting mechanism is adjusted up and down by the frame body four-support function unit and the longitudinal displacement mechanism five, the rotary direction adjusting mechanism rotates the valve handle to adjust the position, and if the valve handle is in a feeding process, the straight line of the two handles on the valve handle forms an included angle with the axial direction of the valve rod, and correspondingly, the valve handle is adjusted by the rotary direction adjusting mechanism to enable the straight line of the two handles to be parallel with the axial direction of the valve rod.

Preferably, the rotary direction-adjusting mechanism comprises a second telescopic mechanism, a second gear-rack transmission mechanism and a second inserting claw, the second gear-rack transmission mechanism comprises a second rack and a second gear which are meshed with each other, the second rack is connected with the telescopic end of the second telescopic mechanism, and the second inserting claw is connected with the second gear to concentrically rotate to drive the second inserting claw to rotate; the valve handle is rotated by matching the telescopic mechanism with the gear and the rack, the structure is simple and practical, and the cost is low.

More preferably, still include stop gear, stop gear includes fan piece, proximity switch, the fan piece is connected with gear two, set up proximity switch on the stroke head tail end department slide of fan piece. In order to limit the rotation amplitude, a fan block and a proximity switch are added, and when the distance between the fan block and the proximity switch is in a preset value, the proximity switch stops the action of the rotary direction adjusting mechanism.

Further, still include the control end, the control end all is connected with valve rod feed mechanism, valve handle assembly devices, nut assembly devices, unloading mechanism, workstation. The control end is controlled intelligently, and the automation degree is improved.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses each integrated functional mechanism is as an organic whole, and the heavy point has improved the nut and has twisted the mechanism soon, helps raising the efficiency, reduce cost.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view showing the overall structure of the present valve stem, valve handle, nut assembling machine in embodiment 1;

FIG. 2 is a schematic illustration of a valve stem feed mechanism;

FIG. 3 is a schematic view of the installation structure of an oil nozzle in the valve rod feeding mechanism;

FIG. 4 is a schematic structural view of a valve handle charging mechanism;

FIG. 5 is a schematic view of a valve stem press fit arrangement;

FIG. 6 is a schematic structural view of a valve stem rotation mechanism;

FIG. 7 is a schematic view of the mounting structure of the latch claw in the valve stem rotating mechanism;

FIG. 8 is a schematic view of the valve handle hold-down mechanism;

FIG. 9 is a schematic structural view of a nut assembly mechanism;

FIG. 10 is a schematic structural view of the nut screwing mechanism and the material transferring mechanism;

FIG. 11 is a schematic view of the nut turning mechanism;

FIG. 12 is a schematic view of the nut turning mechanism;

FIG. 13 is a schematic structural view of a material moving mechanism;

FIG. 14 is a schematic structural view of a material moving mechanism;

FIG. 15 is a schematic structural view of the magazine;

FIG. 16 is a schematic structural view of a blanking mechanism;

wherein the reference numerals are:

1. a box frame; 2. a work table; 3. a valve rod feeding mechanism; 4. a valve handle feeding mechanism; 5. a valve handle pressing mechanism; 6. a valve handle rotation mechanism; 7. the valve handle pressing mechanism; 8. a nut assembly mechanism; 9. a control end; 10. a blanking mechanism; 11. a feed opening; 12. a valve stem; 13. a valve handle; 20. a jig;

30. a first vibrating disk feeding mechanism; 31. a first frame body; 32. a transverse shifting mechanism I; 33. a longitudinal displacement mechanism I; 34. a first clamping mechanism; 35. a second longitudinal shifting mechanism; 36. an oil jet;

40. a vibrating disk feeding mechanism II; 41. a second frame body; 42. a second transverse shifting mechanism; 43. a third longitudinal displacement mechanism; 44. a second clamping mechanism; 45. a first telescopic mechanism; 46. a first rack; 47. a first gear; 48. a first sliding seat; 49. a first photoelectric sensor;

50. a third frame body; 51. a longitudinal displacement mechanism IV; 52. pressing a first block; 53. a second photoelectric sensor; 54. a chute;

60. a frame body IV; 61. a fifth longitudinal telescopic mechanism; 62. a second telescopic mechanism; 63. a second rack; 64. a second gear; 65. a fan block; 66. a proximity switch; 67. inserting claws; 68. a second sliding seat;

70. a fifth frame body; 71. a longitudinal displacement mechanism six; 72. pressing a second block;

80. a vibrating disc feeding mechanism III; 81. a nut screwing mechanism; 82. a material moving mechanism; 83. a nut; 810. a drive motor; 811. A mounting seat; 812. a sleeve; 813. a clamping block; 814. a shaft body; 815. a clamping jaw; 816. a second elastic piece; 817. a third transverse shifting mechanism; 818. a sixth frame body; 819. a first sliding block; 8120. a first elastic part; 8121. a bevel;

821. a first shifting mechanism; 822. a second shifting mechanism; 823. a frame body seven; 824. a magazine; 825. pushing the plate; 826. a second sliding block; 827. a feeding port; 828. a through hole; 829. a through groove.

100. A rack body eight; 101. a transverse shifting mechanism IV; 102. a longitudinal displacement mechanism seventh; 103. and a third clamping mechanism.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Example 1

As shown in fig. 1, the whole valve stem, valve stem and nut assembling machine includes a workbench 2, a nut assembling mechanism, a valve stem feeding mechanism 3 and a blanking mechanism 10, in this example, a rotary workbench 2 is installed on a box frame 1, the valve stem feeding mechanism 3, the valve stem feeding mechanism 4, a valve stem pressing mechanism 5, a valve stem rotating mechanism 6, a valve stem pressing mechanism 7, a nut assembling mechanism 8 and the blanking mechanism 10 are sequentially installed around the workbench 2, the valve stem assembling mechanism is composed of the valve stem feeding mechanism, the valve stem pressing mechanism, the valve stem rotating mechanism and the valve stem pressing mechanism, a plurality of jigs 20 are installed at the side position of the top surface of the disc-shaped workbench 2, and a control end 9 is installed on the box frame 1 at one side of the workbench 2, for example, the control end 9 is connected with each functional unit to control the operation thereof. The structure that the rotary workbench is driven to rotate by the power mechanism matched with the transmission mechanism and the like is relatively conventional in application and is not described herein any more.

As shown in fig. 1, 2, and 3, the valve rod feeding mechanism 3 includes a first vibrating disk feeding mechanism 30, a first frame 31, a first longitudinal shifting mechanism 33, a first transverse shifting mechanism 32, a first clamping mechanism 34, a second longitudinal shifting mechanism 35, and an oil nozzle 36, where the first transverse shifting mechanism 32 is installed on the first frame 31, an air cylinder is used, a base body is installed at a moving end of the first transverse shifting mechanism 32, the base body is in sliding fit with the first frame 31, and the first longitudinal shifting mechanism 33 is installed on the base body, and the air cylinder is also used. The first vibrating disk feeding mechanism 30 is located outside the box frame 1, the first transverse shifting mechanism 32 above the workbench 2 moves the first longitudinal shifting mechanism 33 between the workbench jig and the first vibrating disk feeding mechanism 30, the moving end of the first longitudinal shifting mechanism 33 is also fixed on the base body, the first clamping mechanism 34 for clamping the valve rod is installed on the base body, the first clamping mechanism is a common air cylinder clamping jaw device, when the first transverse shifting mechanism moves the first longitudinal shifting mechanism to the position above the workbench jig or at the position of a discharging port of the first vibrating disk feeding mechanism, the first longitudinal shifting mechanism moves the first clamping mechanism up and down, and the first vibrating disk feeding mechanism adopts a conventional vibrating disk device, which is not described in detail.

This two 35 of vertical shift mechanism in valve rod feed mechanism 3 are installed on support body 31, 2 rotation stroke tops on the workstation, after accomplishing the material loading of valve rod on the tool, 2 rotations of workstation move this tool to the below of two 35 of vertical shift mechanism, two adoption cylinders of vertical shift mechanism, the fixed pedestal of flexible end department of cylinder, installation fuel sprayer 36 on the pedestal, with two 35 orientations of vertical shift mechanism reciprocate fuel sprayer 36 towards the tool that carries the valve rod, fuel sprayer and the fuel feeding unit of peripheral hardware etc. are connected, with the oil spout of valve stem installing port department to the valve rod.

As shown in fig. 1 and 4, the valve handle feeding mechanism 4 includes a second vibrating disk feeding mechanism 40, a second frame body 41, a third longitudinal shifting mechanism 43, a second clamping mechanism 44, and a second transverse shifting mechanism 42, wherein the second frame body 41 is fixed on the box frame 1, the second vibrating disk feeding mechanism 40 is located outside the box frame 1, and a conventional vibrating disk device is also adopted. And a second transverse shifting mechanism 40 is arranged on the second frame body 41, an air cylinder is adopted, a base body is fixed at the telescopic end of the air cylinder, the base body is in sliding fit with the second frame body 41, and a third longitudinal shifting mechanism 43 is arranged on the base body. A second transverse shifting mechanism 42 above the workbench 2 moves a third longitudinal shifting mechanism 43 at a discharge port of the second feeding mechanism 40 of the vibrating disk or the jig corresponding to the workbench, a first sliding seat 48 is also arranged at the moving end of the third longitudinal shifting mechanism 43, a second clamping mechanism 44 for clamping a valve handle is arranged on the first sliding seat 48, and the third longitudinal shifting mechanism 43 moves the second clamping mechanism up and down towards the discharge port of the second feeding mechanism of the vibrating disk or the jig by adopting a conventional clamping jaw air cylinder device after the second transverse shifting mechanism 42 moves the third longitudinal shifting mechanism 43 to the right position.

In this example, the valve handle feeding mechanism 4 is additionally provided with a steering mechanism and a photoelectric sensor I49, wherein the steering mechanism is arranged on a sliding seat I48 at the moving end of a longitudinal shifting mechanism III 43, the photoelectric sensor I49 is arranged on one side of a discharge port of a vibrating disk feeding mechanism II 40 to detect the position of a handle in the valve handle, the width of the handles on two opposite sides of the valve handle is different in this example, the position of the handle needs to be adjusted in advance when the handle is arranged on the valve rod, and the steering mechanism and the photoelectric sensor I are additionally matched to rotate the valve handle to adjust the orientation of the handle.

The steering mechanism comprises a first gear transmission mechanism and a first telescopic mechanism 45, the first gear rotation mechanism comprises a first rack 46 and a first gear 47 which are meshed with each other, the first rack 46 is transversely placed and is in sliding fit with a first sliding seat 48 to ensure stability, the first telescopic mechanism 45 is installed on the first sliding seat 48 above the first rack 46, the first telescopic mechanism adopts an air cylinder, the telescopic end of the air cylinder is fixed with the first rack 46 below through a connecting rod and the like, the first gear 47 is pivotally installed on the first sliding seat 48 on one side of the first rack 46 and is meshed with the first gear 47, the bottom of the first gear 47 is fixed with a second clamping mechanism 44 below the first sliding seat 48, the first telescopic mechanism 45 synchronously drives the first rack 46 to move along transverse telescopic, the first gear 47 rotates to synchronously drive the second clamping mechanism 44 below to autorotate, if a photoelectric sensor detects that a handle with small width is in front, a signal is transmitted to a control end, and the control end issues an instruction to enable the steering mechanism to adjust the handle with the large width in front.

As shown in fig. 1 and 5, the valve stem pressing mechanism 5 includes a third frame 50, a fourth longitudinal shifting mechanism 51, and a first press block 52, the third frame 50 is located on the box frame 1 around the workbench 2, the fourth longitudinal shifting mechanism 51 is mounted on the third frame 50, and the cylinder is also adopted. The first pressing block 52 is fixed at the moving end of the fourth longitudinal shifting mechanism 51, the fourth longitudinal shifting mechanism 51 is located above the side of the workbench 2, and when the strip jig moves to the lower side, the first pressing block is moved up and down to press the valve handle to a preset position in a reciprocating mode by the fourth longitudinal shifting mechanism towards the position, corresponding to the jig, of the workbench. In this example, a second photoelectric sensor 53 is added to detect whether the pressing is in place, specifically, the side of the third frame 50 includes a vertical fixing rod, a sliding groove 54 is formed at the top end of the fixing rod, a second photoelectric sensor 53 is fixed on a moving end at the tail end of the fourth longitudinal shifting mechanism 51, the detecting end of the photoelectric sensor extends into the sliding groove and moves along the sliding groove to detect whether the pressing is in place, and whether the valve handle is pressed down in place is determined by detecting the distance between the detecting end and the bottom wall or the top wall of the sliding groove.

As shown in fig. 1, 6 and 7, the valve handle rotating mechanism 6 includes a frame body four 60, a sliding seat two 68, a rotating direction adjusting mechanism, and a longitudinal shifting mechanism five 61, wherein the frame body four 60 is also mounted on the box frame 1 around the workbench 2. And a fifth longitudinal shifting machine 61 is arranged on the fourth frame body 60, an air cylinder is also adopted, a second sliding seat 68 is fixed at the moving end of the fifth longitudinal shifting machine 61, and the second sliding seat 68 is in sliding fit with the fourth frame body 60. The second sliding seat 68 is provided with a rotary direction adjusting mechanism which is used for rotating the valve handle to the valve rod, in the process of valve handle feeding, the straight line of the two handles on the valve handle forms an included angle with the axial direction of the valve rod, and correspondingly, the rotary direction adjusting mechanism adjusts the valve handle to enable the straight line of the two handles to be parallel with the axial direction of the valve rod.

The rotary direction-adjusting mechanism comprises a second telescopic mechanism 62, a second gear and rack transmission mechanism and a pawl 67, the second gear and rack transmission mechanism comprises a second rack 63 and a second gear 64 which are meshed with each other, the second rack 63 is slidably mounted on a second sliding seat 68, one end of the second rack 63 is connected with the telescopic end of the second telescopic mechanism 62, and the second telescopic mechanism adopts an air cylinder. The sliding seat II 68 on one side of the rack II 63 is connected with the gear II 64 in a pivoting mode, the bottom of the gear II 64 is fixedly provided with a claw 67, the claw 67 extends out of the sliding seat II 68, two grooves are formed in the valve handle in the embodiment, the claw correspondingly comprises two claw ends, when a corresponding jig on the workbench moves to the position below the longitudinal shifting mechanism V, the longitudinal shifting mechanism V moves downwards to move the sliding seat II, the claw ends of the claws correspondingly insert into the grooves in the valve handle, the telescopic mechanism II drives the rack II to move, the gear II rotates to enable the claws to rotate synchronously, and the valve handle rotates to adjust the position of the handle to enable the handle to be parallel to the valve rod axial direction. In the embodiment, a limiting mechanism is added to improve the accuracy of rotation, the limiting mechanism comprises a sector 65 and a proximity switch 66, the sector 65 is fixed at the top of the second gear 64, and the proximity switches 66 are mounted on the second sliding seats at the head and tail ends of the stroke of the sector 65. In order to limit the rotation amplitude, a fan block and a proximity switch are added, when the distance between the fan block and the proximity switch is in a preset value or the proximity switch is impacted, the proximity switch sends out a signal, and the control end stops the action of the rotary direction-adjusting mechanism.

As shown in fig. 1 and 8, in this example, the valve stem pressing and fixing mechanism 7 includes a frame body five 70, a longitudinal displacement mechanism six 71, and a pressing block two 72, and the frame body five 70 is also fixed to the box frame 1 around the workbench 2. The fifth frame body 70 is provided with a sixth longitudinal shifting mechanism 71, an air cylinder is also adopted, a second pressing block 72 is fixed at the moving end of the sixth longitudinal shifting mechanism 71, after a jig with a valve handle and a valve rod reaches the position below the sixth longitudinal shifting mechanism 71, the second pressing block 72 is downwards moved towards the position, corresponding to the jig, of the workbench by the sixth longitudinal shifting mechanism 71 to press and fix the valve handle downwards, a nut assembling mechanism is arranged close to the valve handle pressing mechanism, and when the valve handle is pressed and fixed by the valve handle pressing mechanism, a nut is screwed on the valve rod by the nut assembling mechanism.

As shown in fig. 1, 9, 10, 11, 12, 13, 14, and 15, the nut assembling machine in this example includes a nut screwing mechanism 81, a material moving mechanism 82, and a vibratory pan feeding mechanism three 80.

As shown in fig. 9-11, the nut screwing mechanism 81 includes a driving motor 810, a clamping mechanism, and a rotating shaft, wherein an output end of the driving motor 810 fixes a mounting seat 811, and the mounting seat 811 is formed with a socket along an axial center line. The rotating shaft comprises a shaft body 814 and a clamping block 813, wherein the tail end of the shaft body 814 is inserted into the insertion hole of the mounting seat 811 to be in clearance fit so as to axially slide and synchronously rotate along with the mounting seat. The head end peripheral wall of axis body 814 evenly fixes three arc clamp splice 813 along circumference interval, and the space between adjacent clamp splice 813 forms the breach, and the clamp splice head end encloses into the recess outward at the axial extension to the axis body head end.

In this embodiment, the peripheral wall of the rear end of the shaft body is formed into a plane, the plane extends axially to the rear end face, the shape of the insertion hole is consistent with that of the rear end of the shaft body so as to synchronously rotate with the mounting seat and axially slide fit, a waist hole is formed in the shaft body axially, a positioning pin is mounted on the mounting seat, and the positioning pin extends into the waist hole from the radial direction of the shaft body so as to limit the separation of the shaft body from the mounting seat.

The clamping mechanism comprises a sleeve 812, clamping jaws 815, a first elastic part 8120 and a second elastic part 816, the three clamping jaws 815 are arranged at the corresponding notches, hinge holes are formed in opposite surfaces of adjacent clamping blocks 813, hinge holes are formed in the middle of the clamping jaws, bolts penetrate through the hinge holes in the clamping blocks and the hinge holes in the clamping jaws 815 and are screwed up to form end caps, the clamping jaws are mounted at the notches in a pivoting connection mode, and the clamping jaws are rotated to enable the head ends of the clamping jaws to extend into the grooves from the notches to form a clamping state. Under this structure, the tail end of three clamping jaw 815 is cyclic annular distribution, and elastic component two 816 is the ring body that the elastic material prepared, and the direct cover of elastic component two 816 encloses into cyclic annular three clamping jaw 815 tail end department, can select at clamping jaw tail end shaping groove in order to make things convenient for the ring body to put into, improves stability. Under the action of the elastic force of the second elastic piece, the tail end of the clamping jaw is in a closed state, and the head end of the corresponding clamping jaw is in an open state.

A sleeve 812 is sleeved on the shaft body between the installation position of the clamping jaw 815 and the installation seat 811, and the sleeve 812 is in clearance fit with the shaft body 814 to slide along the axial direction. In this embodiment, the circumferential wall of the head end of the sleeve 812 is inclined so that the tail end of the clamping jaw abuts against the inclined surface and gradually moves upward to incline the contact structure. An elastic element I8120 is arranged between the sleeve 812 and the mounting seat 811, selects a spring and is directly sleeved on the shaft body.

Under the structure, the shaft body 814 is stressed to move backwards relative to the mounting seat, the tail end of the sleeve 812 abuts against the mounting seat 811 and moves forwards relative to the shaft body to abut against the tail end of the clamping jaw, the tail end of the clamping jaw moves upwards along the inclined surface of the sleeve and is converted from a closed state to an open state, the corresponding head end of the clamping jaw is converted to a closed state to clamp and fix the nut in the groove, and the driving motor is started to drive the nut to rotate.

In the present example, as shown in fig. 13-15, a lateral shifting mechanism three 817 is added, and an air cylinder is selected, and the moving end of the lateral shifting mechanism three 817 drives the driving motor 810 to move, so that the end of the rotating shaft is close to the valve stem of the nut to be screwed. Specifically, a frame body six is added, a driving motor 810, a transverse shifting mechanism three 817 and the like are supported through the frame body six 818, the transverse shifting mechanism three 817 is fixed on the frame body six 818, a first sliding block 819 is fixed at the moving end of the transverse shifting mechanism three 817, the first sliding block 819 is in sliding fit with the frame body six 818, the driving motor 810 is fixed on the first sliding block 819, the driving motor 810 is driven to move through the transverse shifting mechanism three 817, a rotating shaft is synchronously enabled to be close to a valve rod, the rotating shaft is forced to move backwards to enable a clamping jaw to clamp a fixed nut, the driving motor starts to screw the nut onto the valve rod, after screwing is completed, the first shifting mechanism moves backwards to reset, and under the action of a first elastic piece and a second elastic piece, the sleeve, the clamping jaw and the shaft body reset.

In this example, the material transferring mechanism 82 is located at one side of the nut screwing mechanism 81, and the material transferring mechanism 82 includes a first shifting mechanism 821, a second shifting mechanism 822, a nut accommodating magazine 824, a push plate 825, and the like, wherein the first shifting mechanism 821 and the second shifting mechanism 822 both use air cylinders, the first shifting mechanism 821 is fixed on a frame body seven 823, a second sliding block 826 is fixed at a moving end of the first shifting mechanism 821, the second sliding block 826 slides along the frame body seven 823, and the magazine 824 and the second shifting mechanism 822 are fixed on the second sliding block 826. The first shifting mechanism 821 moves the magazine 824 along the radial direction of the shaft, the second shifting mechanism 822 is fixed with the push plate 825 at the moving end, and the second shifting mechanism moves the push plate along the direction parallel to the axial direction of the shaft.

In this embodiment, the third vibrating disk feeding mechanism 80 is fixed at a position close to the material moving mechanism or the nut screwing mechanism, and the third vibrating disk feeding mechanism is selected from the market directly, which is not described herein again.

Seven 823 top shaping pan feeding mouth of support body, magazine 824 is located the flute profile of seven 823 of support body of pan feeding mouth 827 below, magazine 824 adopts rectangle form configuration and the logical groove 829 of head end department notch horizontal shaping, and be close to the position shaping through-hole 828 of logical groove 829, the removal end of two 822 of shifting mechanism passes and fixes push pedal 825 from the through-hole, through-hole 828 with lead to the axial direction of groove 829 intercommunication and through-hole, the length extending direction of logical groove is parallel with the axial direction of axis body, under this structure, two 822 removal push pedal 825 of shifting mechanism promote to lead to the inslot nut and remove. Of course, the moving end of the second shifting mechanism can be selected to cross the structure from the upper part of the material box, and the pushing of the nut in the through groove can be realized by correspondingly changing the structure of the push plate.

During the use, the action of each functional unit of accessible control end control to the logical groove material loading of vibration dish feeding mechanism three-dimensional magazine, the first removal magazine of shifting mechanism and two to axis body head departments of shifting mechanism, in the recess of pushing pedal promotion nut to pivot is removed to the second removal push pedal of shifting mechanism, the first reset of shifting mechanism, the first removal driving motor of shifting mechanism, the fixed valve rod of pivot head end butt tool, the nut is pressed from both sides tightly fixedly by the clamping jaw, driving motor orders about the nut and twists.

As shown in fig. 1 and 16, the blanking mechanism 10 includes a frame body eight 100, a transverse shifting mechanism four 101, a longitudinal shifting mechanism seven 102, and a clamping mechanism three 103, where the frame body eight 100 is installed on the box frame 1 around the workbench 2, the frame body eight 100 is installed with the transverse shifting mechanism four 101, an air cylinder is adopted, a base body is installed at a moving end of the transverse shifting mechanism four 101, the base body is installed with the longitudinal shifting mechanism seven 102, the air cylinder is also adopted, the clamping mechanism three 103 is installed at a moving end of the longitudinal shifting mechanism seven 102, and a clamping jaw air cylinder device is adopted. In this example, a groove body type feed opening 11 is arranged on the box frame 1 close to the feed mechanism, a transverse displacement mechanism IV 101 reciprocates a longitudinal displacement mechanism VII 102 above the feed opening 11 and a jig corresponding to the workbench 2, and the longitudinal displacement mechanism VII 102 moves a clamping mechanism III 103 downwards to the feed opening or the jig. And the three pairs of fixtures are used for clamping valve handles and nut installation valve rod components, such as directly clamping the valve handles.

In this embodiment, each frame body plays a role of supporting, and the seat body, the slide seat and the like play a role of bearing, which are commonly applied in the field, the structure of which is not described any more, and can be freely purchased or designed, and certainly, the fixture is also included, and in this embodiment, the fixture is only shown by a groove-type fixture with a horizontal notch.

In addition, a photoelectric sensor for detecting whether a workpiece (such as a valve handle, a valve rod, a screw cap and the like) is arranged on each functional unit or at the discharge port can be mounted on each functional unit, and the application is common and is not described herein.

The first working process is as follows:

under the control of the control end, the first vibration disc feeding mechanism conveys the valve rod, and the valve rod feeding mechanism clamps the valve rod to the workbench jig.

The workstation rotates and will carry the tool of valve rod and move to the fuel sprayer below, and the fuel sprayer moves down the oil spout of the valve handle installing port department that corresponds the valve rod, and the oil spout process can be saved as required certainly.

The workstation rotates and will move to valve handle feed mechanism department with the valve rod of oil spout, and vibration dish feeding mechanism two delivery valve handles, and the position of photoelectric sensor one detection handle, if errorless, valve handle feed mechanism directly centre gripping valve handle to the tool department that carries the valve rod, if have the mistake, valve handle feed mechanism rotates the adjustment position to the valve handle after the centre gripping valve handle, later removes to corresponding tool department.

The workbench rotates to move the valve rod provided with the valve handle to the valve handle pressing mechanism, and the valve handle pressing mechanism presses the valve handle to a preset position.

After the valve handle is pressed by the workbench, the valve rod moves to the valve handle rotating mechanism, and the valve handle rotating mechanism rotates the valve handle to enable the straight line where the two handle handles are located to be parallel to the axial direction of the valve rod.

The valve rod moves to the valve handle pressing and fixing mechanism after the valve handle is adjusted by the workbench, the valve handle pressing and fixing mechanism presses down and fixes the valve handle, and meanwhile, the nut is screwed on the valve rod by the nut assembling mechanism.

And finally, taking down the valve rod assembled by the valve handle and the screw cap on the jig by a blanking mechanism.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (17)

1. The valve rod, valve handle and nut assembling machine comprises a workbench, a nut assembling mechanism, a valve handle assembling mechanism, a valve rod feeding mechanism and a blanking mechanism, and is characterized in that the periphery of the rotary workbench is provided with the valve rod feeding mechanism, the valve handle assembling mechanism, the nut assembling mechanism and the blanking mechanism, and the workbench is provided with a jig;

the valve handle assembly mechanism comprises a valve handle feeding mechanism, a valve handle pressing mechanism, a valve handle rotating mechanism and a valve handle pressing mechanism;

the nut assembling mechanism comprises a nut screwing mechanism, and the nut screwing mechanism comprises a driving motor, a clamping mechanism and a rotating shaft; the output end of the driving motor is provided with an installation seat, a rotating shaft is arranged on the installation seat in a sliding fit manner along the axial direction, and the rotating shaft synchronously rotates along with the installation seat; set up clamping mechanism in the pivot, clamping mechanism includes sleeve, a plurality of clamping jaw, elastic component one, elastic component two, the head end terminal surface department of pivot sets up a plurality of breachs on recess and Zhou Cecao jade, clamping jaw middle part pivotal connection is in breach department and clamping jaw stretch into the recess from breach department at the rotation in-process head end, the elastic component dual-purpose is in order to reset the clamping jaw, the cover has the sleeve and follows axial sliding fit in the pivot between clamping jaw and the mount pad, sleeve head end and clamping jaw tail end are the slope contact, set up elastic component one between sleeve and mount pad or the pivot.

2. The valve rod, valve handle and nut assembling machine as recited in claim 1, wherein: the rotating shaft comprises a shaft body and clamping blocks, the clamping blocks are fixed at the head end of the shaft body at intervals along the circumferential direction, the head ends of the clamping blocks extend to the outer side of the head end of the shaft body along the axial direction and are surrounded to form a groove, a gap between every two adjacent clamping blocks forms a notch, and the clamping jaw is positioned at the notch and is in pivot connection with the adjacent clamping blocks;

the second elastic piece is annular, and is sleeved at the tail ends of the clamping jaws which are annularly distributed to enable the tail ends of the clamping jaws to be in a folded state; the elastic piece is sleeved on the rotating shaft and positioned between the sleeve and the mounting seat;

the surface of the sleeve abutting against the tail end of the clamping jaw is an inclined surface.

3. The valve rod, valve handle and nut assembling machine as recited in claim 1, wherein: the nut screwing mechanism comprises a transverse shifting mechanism III, and the transverse shifting mechanism III moves the driving motor towards the workbench jig in a reciprocating manner;

still include material shifting mechanism, to the vibration dish feeding mechanism three of magazine feed, material shifting mechanism includes shift mechanism one, shift mechanism two, holds magazine, the push pedal of nut, shift mechanism one's removal end sets up magazine and shift mechanism two, shift mechanism one removes magazine and shift mechanism two towards pivot head department, shift mechanism two's removal end department sets up the push pedal, shift mechanism two removes the push pedal and promotes in nut to the pivot head end recess in the magazine with the push pedal.

4. The valve rod, valve handle and nut assembling machine as claimed in claim 3, wherein: the box body end notch level of magazine sets up logical groove, the box body department that leads to groove one side sets up the through-hole, the removal end of second shift mechanism passes and fixes the push pedal from the through-hole.

5. The valve rod, valve handle and nut assembling machine as claimed in claim 4, wherein: the direction of the second shifting mechanism for moving the push plate, the axial direction of the through hole and the length extending direction of the through groove are parallel to the axial direction of the rotating shaft, and the first shifting mechanism for moving the second shifting mechanism and the material box along the radial direction of the rotating shaft.

6. The complete machine for assembling the valve rod, the valve handle and the screw cap according to claim 4, is characterized in that: the through hole is communicated with the through groove, and the second moving push plate of the shifting mechanism penetrates through a cavity formed after the through hole is communicated with the through groove.

7. The complete machine for assembling the valve rod, the valve handle and the screw cap according to claim 3, is characterized in that: the automatic feeding device is characterized by further comprising a sixth support body and a seventh support body, the third transverse shifting mechanism is fixed at the sixth support body and the third transverse shifting mechanism is provided with a first sliding block at a moving end, the first sliding block is in sliding fit with the sixth support body, the first sliding block is fixed on the first sliding block, the first shifting mechanism is fixed on the seventh support body and the moving end of the first shifting mechanism is provided with a second sliding block, the second sliding block is in sliding fit with the seventh support body, and the second sliding block is provided with a material box and a second shifting mechanism.

8. The valve rod, valve handle and nut assembling machine as recited in claim 1, wherein: the valve rod feeding mechanism comprises a first vibrating disk feeding mechanism, a first frame body, a first longitudinal shifting mechanism, a first transverse shifting mechanism, a first clamping mechanism, a second longitudinal shifting mechanism and an oil nozzle, the first transverse shifting mechanism and the second longitudinal shifting mechanism are arranged on the first frame body, the first longitudinal shifting mechanism is arranged at the moving end of the first transverse shifting mechanism and moves between a worktable fixture and the first vibrating disk feeding mechanism, the first clamping mechanism is arranged at the moving end of the first longitudinal shifting mechanism and moves towards the first discharging opening of the first vibrating disk feeding mechanism, the second longitudinal shifting mechanism is arranged above the worktable, the oil nozzle is arranged at the moving end of the second longitudinal shifting mechanism, and the oil nozzle moves towards the corresponding fixture of the worktable.

9. The complete machine for assembling the valve rod, the valve handle and the screw cap according to claim 1, which is characterized in that: the valve handle feeding mechanism comprises a vibrating disk feeding mechanism II, a support body II, a longitudinal shifting mechanism III, a clamping mechanism II and a transverse shifting mechanism II, the transverse shifting mechanism II is arranged on the support body II, the longitudinal shifting mechanism III is arranged at the moving end of the transverse shifting mechanism II, the longitudinal shifting mechanism III is moved at a position, corresponding to the jig of the workbench and the vibrating disk feeding mechanism II, of the working table, and the clamping mechanism II for clamping the valve handle is arranged at the moving end of the longitudinal shifting mechanism III.

10. The valve stem, valve handle, nut assembly machine of claim 9, wherein: the valve handle feeding mechanism further comprises a steering mechanism, a first photoelectric sensor and a first sliding seat, the moving end of the third longitudinal shifting mechanism is provided with the first sliding seat, the first sliding seat is provided with the steering mechanism, the first photoelectric sensor is arranged at a discharge hole of the second vibrating disc feeding mechanism to detect the position of the handle in the valve handle, and the steering mechanism is used for rotating the valve handle to adjust the orientation of the handle.

11. The complete machine for assembling the valve rod, the valve handle and the screw cap according to claim 10, wherein: the steering mechanism comprises a first gear transmission mechanism and a first telescopic mechanism, the first gear transmission mechanism comprises a first rack and a first gear which are meshed with each other, the first rack is connected with the telescopic end of the first telescopic mechanism, the first gear is connected with the second clamping mechanism, the first telescopic mechanism moves the first rack, and the first gear rotates and synchronously rotates the second clamping mechanism.

12. The valve rod, valve handle and nut assembling machine as recited in claim 1, wherein: the valve handle pressing mechanism comprises a frame body III, a longitudinal shifting mechanism IV and a pressing block I, the frame body III is provided with the longitudinal shifting mechanism IV, the moving end of the longitudinal shifting mechanism IV is provided with the pressing block I, and the longitudinal shifting mechanism moves the pressing block I towards the position, corresponding to the jig, of the workbench;

the valve handle pressing and fixing mechanism comprises a frame body five, a longitudinal shifting mechanism six and a pressing block two, wherein the longitudinal shifting mechanism six is arranged on the frame body five, a moving end of the longitudinal shifting mechanism six is provided with the pressing block two, and the pressing block two moves towards the position, corresponding to the jig, of the workbench;

the blanking mechanism comprises a frame body eight, a transverse shifting mechanism four, a longitudinal shifting mechanism seven and a clamping mechanism three, wherein the frame body eight is provided with the transverse shifting mechanism four, the moving end of the transverse shifting mechanism four is provided with the longitudinal shifting mechanism seven and moves towards the workbench jig to and fro, and the moving end of the longitudinal shifting mechanism seven is provided with the clamping mechanism three and moves towards the workbench jig to and fro the clamping mechanism three.

13. The complete machine for assembling the valve rod, the valve handle and the screw cap according to claim 12, wherein: the frame body III is provided with a sliding groove, and the photoelectric sensor II arranged on the moving end of the longitudinal shifting mechanism moves along the sliding groove to detect whether the pressing is in place.

14. The valve rod, valve handle and nut assembling machine as recited in claim 1, wherein: the valve handle rotating mechanism comprises a frame body four, a sliding seat two, a rotating direction adjusting mechanism and a longitudinal shifting mechanism five, wherein the frame body four is provided with the longitudinal shifting machine five, the longitudinal shifting mechanism five orders the sliding seat two to move upwards and downwards towards the jig on the workbench, the sliding seat two is provided with the rotating direction adjusting mechanism, and the rotating direction adjusting mechanism is used for rotating the valve handle on the valve rod.

15. The valve stem, valve handle, nut assembly machine of claim 14, wherein: the rotary direction adjusting mechanism comprises a second telescopic mechanism, a second gear and rack transmission mechanism and a second inserting claw, the second gear and rack transmission mechanism comprises a second rack and a second gear which are meshed with each other, the second rack is connected with the telescopic end of the second telescopic mechanism, and the second inserting claw is connected with the second gear to concentrically rotate to drive the second inserting claw to rotate.

16. The valve stem, valve handle, nut assembly machine of claim 15, wherein: the fan is characterized by further comprising a limiting mechanism, wherein the limiting mechanism comprises a fan block and a proximity switch, the fan block is connected with the second gear, and the proximity switch is arranged on the sliding seats at the head and tail ends of the fan block.

17. The valve rod, valve handle and nut assembling machine as recited in claim 1, wherein: still include the control end, the control end is all connected with valve rod feed mechanism, valve handle assembly devices, nut assembly devices, unloading mechanism, workstation.

Images