CN215237500U

CN215237500U - Valve rod automatic positioning thread rolling device

Info

Publication number: CN215237500U
Application number: CN202121316296.XU
Authority: CN
Inventors: 苏科嘉
Original assignee: Qingdao Zhuhui Copper Industry Co ltd
Current assignee: Qingdao Zhuhui Copper Industry Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-12-21
Anticipated expiration: 2031-06-15

Abstract

The utility model relates to a thread rolling device technical field specifically is a valve rod automatic positioning thread rolling device, the upside one end of frame is provided with two shaping rollers, two the one end of shaping roller all is provided with driving motor, the upside of frame is located middle section position department and installs electric telescopic handle, electric telescopic handle's flexible end is provided with the layer board, the both sides of layer board are located the equal symmetrical slip of both ends position department and are inserted and be equipped with two V-arrangement connecting rods. The utility model discloses, support the valve rod work piece through four lower rollers, make the valve rod freely placed in the middle, drive roller frame and conveying roller through the cylinder and move down, the conveying roller compresses tightly the valve rod, has realized the location to the valve rod, then drives the transmission roller through the conveying motor and rotates, and the conveying roll can drive the valve rod, has realized the function of automatic unloading of going up, has improved thread rolling efficiency and thread rolling precision, has reduced the artificial operation degree of difficulty simultaneously.

Description

Valve rod automatic positioning thread rolling device

Technical Field

The utility model relates to a thread rolling device technical field specifically is a valve rod automatic positioning thread rolling device.

Background

The thread rolling machine is a multifunctional cold extrusion forming machine tool, and can perform thread, straight line, cross grain rolling and other processing on a workpiece in a cold state within the range of rolling force of the thread rolling machine; rolling straight teeth, helical teeth and helical spline gears; straightening, reducing, roll finishing and various forming and rolling. The cold rolling process is an advanced non-cutting process, can effectively improve the internal and surface quality of the workpiece, and can obviously improve the fatigue strength and the torsional strength of the workpiece due to the radial compressive stress generated during processing, thereby being an ideal process with high efficiency, energy saving and low consumption. When the valve rod is produced, thread rolling processing needs to be carried out on one end of the valve rod, and the valve rod needs to be positioned before thread rolling.

However, the existing thread rolling device can not automatically position the valve rod, if the valve rod is not accurately positioned, the thread rolling precision can be influenced, and the existing thread rolling device can not realize the function of automatic feeding and discharging, thereby not only improving the difficulty of manual feeding and discharging, but also reducing the thread rolling processing efficiency. Accordingly, one skilled in the art provides an automatic valve stem positioning thread rolling device to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve rod automatic positioning thread rolling device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a valve rod automatic positioning thread rolling device comprises a frame, wherein two forming rollers are arranged at one end of the upper side of the frame, a driving motor is arranged at one end of each of the two forming rollers, an electric telescopic rod is arranged at the middle section position of the upper side of the frame, a supporting plate is arranged at the telescopic end of the electric telescopic rod, two V-shaped connecting rods are symmetrically inserted at two end positions of the two sides of the supporting plate in a sliding manner, one end of each of the four V-shaped connecting rods is rotatably connected with a lower roller, a spacing adjusting mechanism is arranged between each of the four V-shaped connecting rods and the supporting plate, a support is fixed at one side position of the supporting plate at the upper side of the frame, an air cylinder is inserted at the top end of the support, a roller frame is fixed at the telescopic end of the air cylinder, two conveying rollers are rotatably connected at two ends of the inner side of the roller frame, and two conveying motors are arranged at two end positions at one side of the outer part of the roller frame, the driving ends of the two conveying motors are respectively fixed with one ends of the two conveying rollers, two guide rods are fixed at two ends of the upper side of the roller frame, and the two guide rods are inserted into the support in a sliding mode.

As a further aspect of the present invention: the interval adjusting mechanism comprises a lead screw which is rotatably connected inside the supporting plate, two lead screw sliding blocks are rotatably connected to two ends of the outer side of the lead screw through screw teeth, two connecting rods are symmetrically and rotatably connected to two sides of each lead screw sliding block, and one end of each connecting rod is rotatably connected with one end of each V-shaped connecting rod.

As a further aspect of the present invention: one end of the screw rod is rotatably connected with a screw rod bearing, one end of the screw rod bearing is fixed to the inner side of the supporting plate, the other end of the screw rod extends to the outer portion of the supporting plate, and the other end of the screw rod is fixed with a rotary table.

As a further aspect of the present invention: the upper side of frame is located electric telescopic handle's both sides position department and is fixed with two loop bars, two the upper end of loop bar all slides and inserts and is equipped with the telescopic link, two the upper end of telescopic link all is fixed with the downside of layer board.

As a further aspect of the present invention: the outer sides of the two conveying rollers are all sleeved with rubber sleeves, and the outer sides of the rubber sleeves are all provided with anti-skid lines.

As a further aspect of the present invention: the other end of the upper side of the rack is provided with a finished product collecting box, and the bottom end of the finished product collecting box is elastically connected with the rack through four rubber shock absorption columns.

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

1. the valve rod workpiece is supported by the four lower rollers, so that the valve rod is centered freely, the roller frame and the conveying roller are driven by the air cylinder to move downwards, the valve rod is compressed by the conveying roller, the valve rod is positioned, then the conveying motor drives the transmission roller to rotate, and the valve rod can be driven by conveying rolling, so that the function of automatic feeding and discharging is realized, the thread rolling efficiency and the thread rolling precision are improved, and meanwhile, the manual operation difficulty is reduced;

2. through interval adjustment mechanism, can adjust the interval of four lower rollers to can fix a position the valve rod of different diameters, improve the practicality.

Drawings

FIG. 1 is a schematic structural view of an automatic positioning thread rolling device for a valve rod;

FIG. 2 is an enlarged schematic view of the valve stem automatic positioning thread rolling device at A in FIG. 1;

fig. 3 is a schematic structural diagram of a middle distance adjusting mechanism of the valve rod automatic positioning thread rolling device.

In the figure: 1. a frame; 2. a molding roller; 3. a drive motor; 4. an electric telescopic rod; 5. a support plate; 6. a V-shaped connecting rod; 7. a lower roller; 8. a support; 9. a cylinder; 10. a roll stand; 11. a transfer roller; 12. a transfer motor; 13. a loop bar; 14. a telescopic rod; 15. a guide bar; 16. a screw rod; 17. a screw rod slide block; 18. a connecting rod; 19. a screw bearing; 20. and (5) collecting a finished product.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention, a valve rod automatic positioning thread rolling device comprises a frame 1, two forming rollers 2 are disposed at one end of the upper side of the frame 1, a driving motor 3 is disposed at one end of each of the two forming rollers 2, an electric telescopic rod 4 is mounted at the middle position of the upper side of the frame 1, a support plate 5 is disposed at the telescopic end of the electric telescopic rod 4, two V-shaped connecting rods 6 are symmetrically and slidably inserted at two ends of the support plate 5, one end of each of the four V-shaped connecting rods 6 is rotatably connected with a lower roller 7, a spacing adjusting mechanism is disposed between each of the four V-shaped connecting rods 6 and the support plate 5, a support 8 is fixed at one side position of the support plate 5 at the upper side of the frame 1, an air cylinder 9 is inserted at the top end of the support 8, a roller frame 10 is fixed at the telescopic end of the air cylinder 9, two conveying rollers 11 are rotatably connected at the inner ends of the roller frame 10, and two conveying motors 12 are arranged at two ends of one side of the outer part of the roller frame 10, the driving ends of the two conveying motors 12 are respectively fixed with one ends of two conveying rollers 11, two guide rods 15 are fixed at two ends of the upper side of the roller frame 10, and the two guide rods 15 are all inserted into the support 8 in a sliding manner.

In fig. 3: the distance adjusting mechanism is connected to the lead screw 16 inside the supporting plate 5 in a rotating mode, two lead screw sliders 17 are connected to the two ends of the outer side of each lead screw 16 in a rotating mode through screw teeth, two connecting rods 18 are connected to the two sides of each lead screw slider 17 in a rotating mode, one end of each connecting rod 18 is connected with one end of each V-shaped connecting rod 6 in a rotating mode respectively, the distance between the four lower rollers 7 can be adjusted through the distance adjusting mechanism, therefore valve rods with different diameters can be located, and practicability is improved.

In fig. 3: one end of the screw rod 16 is rotatably connected with a screw rod bearing 19, one end of the screw rod bearing 19 is fixed with the inner side of the supporting plate 5, the other end of the screw rod 16 extends to the outer part of the supporting plate 5, the other end of the screw rod 16 is fixed with a turntable, and the screw rod bearing 19 is used for rotatably connecting the screw rod 16 with the inner side of the supporting plate 5.

In fig. 2: the upside of frame 1 is located the both sides position department of electric telescopic handle 4 and is fixed with two loop bars 13, and the upper end of two loop bars 13 all slides and inserts and be equipped with telescopic link 14, and the upper end of two telescopic links 14 all is fixed with the downside of layer board 5, and sliding fit between loop bar 13 and the telescopic link 14 plays the guide effect to layer board 5, improves its mobility stability.

In fig. 2: the rubber sleeve is sleeved on the outer sides of the two conveying rollers 11, anti-slip lines are arranged on the outer sides of the rubber sleeve, friction force can be increased through the rubber sleeve, and feeding and discharging stability is improved.

In fig. 1: the upside other end of frame 1 is provided with finished product collection box 20, and the bottom of box 20 is collected to the finished product is through elastic connection between four rubber shock absorber posts and the frame 1, and finished product collection box 20 can be collected the finished product valve rod.

The utility model discloses a theory of operation is: a valve rod workpiece is placed above a supporting plate 5, four lower rollers 7 drag the valve rod, the valve rod freely moves to the position of a central line between the four lower rollers 7 under the action of gravity, the function of positioning the valve rod is realized, then the stretching end of a control cylinder 9 extends out, the stretching end of the cylinder 9 drives a roller frame 10 to move downwards, the roller frame 10 drives two conveying rollers 11 at the inner side of the roller frame to move downwards, so that the two conveying rollers 11 are tightly pressed on the upper side of the valve rod, then two conveying motors 12 synchronously rotate to respectively drive the two conveying rollers 11 to rotate, the two conveying rollers 11 rotate to drive the valve rod workpiece to move towards one end of a forming roller 2 through friction force, so that one end of the valve rod is positioned between the two forming rollers 2, then the two driving motors 3 respectively drive the two forming rollers 2 to rotate, and the two forming rollers 2 can roll threads on one end of the valve rod, after the processing is accomplished, two conveying motor 12 drive two conveying roller 11 antiport, two conveying roller 11 drive the valve rod work piece antiport that the thread rolling was accomplished through frictional force, make the valve rod remove and collect to the inside of finished product collection box 20, thereby realized carrying out the effect of automatic positioning and material loading to the valve rod work piece, thread rolling efficiency and thread rolling precision have been improved, the manual operation degree of difficulty has been reduced simultaneously, rotate lead screw 16, lead screw 16 rotates and drives two lead screw sliders 17 syntropy removal through the thread meshing, two lead screw sliders 17 drive four connecting rods 18 respectively and rotate, four connecting rods 18 drive four V-arrangement connecting rods 6 respectively and stretch out and retract, four V-arrangement connecting rods 6 drive four lower rollers 7 respectively and move, can adjust the interval of four lower rollers 7, thereby can fix a position the valve rod of different diameters, and the practicality is improved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A valve rod automatic positioning thread rolling device comprises a rack (1) and is characterized in that two forming rollers (2) are arranged at one end of the upper side of the rack (1), a driving motor (3) is arranged at one end of each of the two forming rollers (2), an electric telescopic rod (4) is installed at the position, located at the middle section, of the upper side of the rack (1), a supporting plate (5) is arranged at the telescopic end of the electric telescopic rod (4), two V-shaped connecting rods (6) are symmetrically inserted at the positions, located at the two ends, of the two sides of the supporting plate (5), one ends of the four V-shaped connecting rods (6) are rotatably connected with a lower roller (7), an interval adjusting mechanism is arranged between the four V-shaped connecting rods (6) and the supporting plate (5), a support (8) is fixed at the position, located at one side of the supporting plate (5), of the upper side of the rack (1), and an air cylinder (9) is inserted and installed at the top end of the support (8), the telescopic end of cylinder (9) is fixed with roller frame (10), the inboard both ends of roller frame (10) are rotated and are connected with two conveying rollers (11), and outside one side of roller frame (10) is located both ends position department and installs two conveying motor (12), two the drive end of conveying motor (12) is fixed with the one end of two conveying rollers (11) respectively, the upside both ends of roller frame (10) are fixed with two guide arms (15), two guide arm (15) all slide and insert the inside of locating support (8).

2. The automatic valve rod positioning thread rolling device according to claim 1, wherein the spacing adjustment mechanism comprises a screw rod (16) rotatably connected inside the supporting plate (5), two screw rod sliding blocks (17) are rotatably connected to two outer ends of the screw rod (16) through screw threads, two connecting rods (18) are symmetrically and rotatably connected to two sides of the two screw rod sliding blocks (17), and one end of each of the four connecting rods (18) is rotatably connected to one end of each of the four V-shaped connecting rods (6).

3. The automatic valve rod positioning thread rolling device according to claim 2, wherein one end of the screw rod (16) is rotatably connected with a screw rod bearing (19), one end of the screw rod bearing (19) is fixed with the inner side of the supporting plate (5), the other end of the screw rod (16) extends to the outer part of the supporting plate (5), and a rotary disc is fixed at the other end of the screw rod (16).

4. The automatic valve rod positioning thread rolling device according to claim 1, wherein two loop bars (13) are fixed on the upper side of the frame (1) at positions on two sides of the electric telescopic rod (4), telescopic rods (14) are slidably inserted into the upper ends of the two loop bars (13), and the upper ends of the two telescopic rods (14) are fixed with the lower side of the supporting plate (5).

5. The automatic valve rod positioning thread rolling device according to claim 1, wherein rubber sleeves are sleeved on the outer sides of the two conveying rollers (11), and anti-skid threads are arranged on the outer sides of the rubber sleeves.

6. The automatic valve rod positioning thread rolling device according to claim 1, wherein a finished product collecting box (20) is arranged at the other end of the upper side of the machine frame (1), and the bottom end of the finished product collecting box (20) is elastically connected with the machine frame (1) through four rubber shock absorption columns.