CN216398305U

CN216398305U - Adjustable tapping mechanism for tapping machine

Info

Publication number: CN216398305U
Application number: CN202123210410.3U
Authority: CN
Inventors: 张小辉; 张梦娇; 王文轩; 高飞
Original assignee: Jilin Wuhe Automation Co ltd
Current assignee: Jilin Wuhe Automation Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-04-29
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses an adjustable tapping mechanism for a tapping machine, which comprises a base, wherein an L-shaped plate is arranged on the base, a hydraulic cylinder is arranged on the L-shaped plate, a movable plate is arranged at the output end of the hydraulic cylinder, a tapping unit is arranged at the bottom of the movable plate, a limiting mechanism is arranged at the bottom of the movable plate, a guide groove is formed in the upper end of the base, and a first electric telescopic rod is arranged in the guide groove. According to the utility model, the circumference of the disc workpiece to be tapped can be controlled through the first electric telescopic rod, the rotating angle of the disc workpiece can be controlled through the second electric telescopic rod, so that the tapping unit can be driven to process through the hydraulic cylinder, meanwhile, the workpiece can be clamped and limited, the disc workpiece can be driven to rotate by the up-and-down movement of the output end of the hydraulic cylinder, manual participation is not required, and workpieces with different sizes can be processed.

Description

Adjustable tapping mechanism for tapping machine

Technical Field

The utility model relates to the technical field of tapping mechanisms, in particular to an adjustable tapping mechanism for a tapping machine.

Background

The tapping machine is generally a tapping machine, which is a machining device for machining internal threads, screws or tooth buttons on the inner side surfaces of holes of various parts with through holes or blind holes of different specifications, such as a part shell, an equipment end surface, a nut, a flange plate and the like, and is also called a thread tapping machine, an automatic tapping machine and the like.

The tapping machine at present carries out tapping to the work piece of a model and handles, especially discoid work piece, and the screw evenly distributed of processing on the disc because discoid work piece size is different, in order to satisfy the tapping requirement of polytypic, for this reason, has provided an adjustable tapping mechanism for tapping machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable tapping mechanism for a tapping machine.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an adjustable tapping mechanism for tapping machine, includes the base, installs the L template on the base, install the pneumatic cylinder on the L template, the movable plate is installed to the output of pneumatic cylinder, the tapping unit is installed to the bottom of movable plate, stop gear is installed to the bottom of movable plate, the upper end of base is equipped with the guide way, install first electric telescopic handle in the guide way, first electric telescopic handle's output install with guide way inner wall sliding connection's guide block, it is connected with the dwang to rotate on the guide block, fixture is installed to the upper end of dwang, be equipped with actuating mechanism between movable plate and the dwang.

Preferably, the limiting mechanism comprises a first telescopic rod and a spring which are fixed at the bottom of the moving plate, the bottoms of the first telescopic rod and the spring are fixedly connected with an extrusion plate together, and the spring is sleeved outside the first telescopic rod.

Preferably, fixture is including fixing the fixed plate in the dwang upper end, be equipped with the sliding tray on the fixed plate, sliding tray sliding connection has two grip blocks, the inner wall of sliding tray rotates and is connected with first screw rod, the one end fixedly connected with second screw rod of first screw rod, the other end of second screw rod rotates with the inner wall of sliding tray to be connected, the other end of first screw rod runs through the fixed plate and is connected rather than rotating, install the handle on the first screw rod.

Preferably, the first screw and the second screw have opposite thread directions.

Preferably, actuating mechanism is including running through the L template and rather than rotating the second telescopic link of being connected, all install bevel gear on the second telescopic link and on the dwang, two bevel gear meshes mutually, the bottom fixedly connected with second electric telescopic handle of movable plate, second electric telescopic handle's output fixedly connected with rack plate, run through being equipped with rather than rotating the transfer line of being connected on the L template, install one-way bearing on the transfer line, the last drive gear that installs of one-way bearing, the drive gear meshes with rack plate mutually, all install the belt pulley on transfer line and the second telescopic link, two the belt pulley is connected through the belt.

Preferably, the inside of the second telescopic rod is rectangular.

The utility model has the beneficial effects that:

according to the utility model, the circumference of the disc workpiece to be tapped can be controlled through the first electric telescopic rod, the rotating angle of the disc workpiece can be controlled through the second electric telescopic rod, so that the tapping unit can be driven to process through the hydraulic cylinder, meanwhile, the workpiece can be clamped and limited, the disc workpiece can be driven to rotate by the up-and-down movement of the output end of the hydraulic cylinder, manual participation is not required, and workpieces with different sizes can be processed.

Drawings

Fig. 1 is a schematic structural diagram of an adjustable tapping mechanism for a tapping machine according to the present invention;

fig. 2 is a schematic structural diagram of a part of an adjustable tapping mechanism for a tapping machine according to the present invention.

In the figure: the automatic tapping machine comprises a base 1, a 2L-shaped plate, a 3 hydraulic cylinder, a 4 moving plate, a 5 tapping unit, a 6 first telescopic rod, a 7 spring, an 8 extruding plate, a 9 guide groove, a 10 first electric telescopic rod, a 11 guide block, a 12 second telescopic rod, a 13 bevel gear, a 14 rotating rod, a 15 fixing plate, a 16 sliding groove, a 17 first screw, a 18 second screw, a 19 clamping block, a 20 belt, a 21 belt pulley, a 22 second electric telescopic rod, a 23 rack plate and a 24 transmission gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, an adjustable tapping mechanism for tapping machine, includes base 1, installs L template 2 on the base 1, installs pneumatic cylinder 3 on the L template 2, and movable plate 4 is installed to the output of pneumatic cylinder 3, and tapping unit 5 is installed to the bottom of movable plate 4, and tapping unit 5 comprises motor and tapping sword, for prior art, no longer gives details.

Stop gear is installed to the bottom of movable plate 4, and stop gear is including fixing first telescopic link 6 and the spring 7 in movable plate 4 bottom, and the common fixedly connected with stripper plate 8 in the bottom of first telescopic link 6 and spring 7, and spring 7 cover is in the outside of first telescopic link 6, and the bottom of stripper plate 8 is less than the bottom of tapping unit 5, can carry on spacingly to the disc work piece through spring 7 and stripper plate 8, makes it difficult for removing.

The upper end of the base 1 is provided with a guide groove 9, a first electric telescopic rod 10 is arranged in the guide groove 9, the output end of the first electric telescopic rod 10 is provided with a guide block 11 which is in sliding connection with the inner wall of the guide groove 9, and the guide block 11 is rotatably connected with a rotating rod 14; the guide block 11 can be adjusted by the first electric telescopic rod 10, so that the position of the fixing plate 15 can be adjusted.

The clamping mechanism is arranged at the upper end of the rotating rod 14 and comprises a fixing plate 15 fixed at the upper end of the rotating rod 14, a sliding groove 16 is formed in the fixing plate 15, two clamping blocks 19 are connected in the sliding groove 16 in a sliding mode, and the surfaces, abutted to the workpieces, of the clamping blocks 19 are arranged in an arc shape; a first screw rod 17 is rotatably connected to the inner wall of the sliding groove 16, one end of the first screw rod 17 is fixedly connected with a second screw rod 18, the other end of the second screw rod 18 is rotatably connected with the inner wall of the sliding groove 16, the other end of the first screw rod 17 penetrates through the fixing plate 15 and is rotatably connected with the fixing plate, and a handle is mounted on the first screw rod 17; wherein the first screw 17 and the second screw 18 have opposite thread directions.

A driving mechanism is arranged between the moving plate 4 and the rotating rod 14, the driving mechanism comprises a second telescopic rod 12 which penetrates through the L-shaped plate 2 and is in rotating connection with the L-shaped plate, bevel gears 13 are respectively arranged on the second telescopic rod 12 and the rotating rod 14, the two bevel gears 13 are meshed, the bottom of the moving plate 4 is fixedly connected with a second electric telescopic rod 22, the output end of the second electric telescopic rod 22 is fixedly connected with a rack plate 23, a transmission rod which is in rotating connection with the L-shaped plate 2 is arranged on the L-shaped plate in a penetrating manner, a one-way bearing is arranged on the transmission rod, a transmission gear 24 is arranged on the one-way bearing, the transmission gear 24 is meshed with the rack plate 23, belt pulleys 21 are respectively arranged on the transmission rod and the second telescopic rod 12, and the two belt pulleys 21 are connected through a belt 20; inside being the rectangle shape of second telescopic link 12, rotating the inside of coupling part with L template 2 and being the rectangle trough-like, then the pars contractilis is the rectangular rod, so inside relative rotation can not take place for second telescopic link 12, can realize synchronous rotation.

When the clamping device is used, a disc-shaped workpiece is placed on the fixing plate 15, then the handle is rotated, and due to the fact that the thread directions of the first screw 17 and the second screw 18 are opposite, and the two clamping blocks 19 cannot rotate under the limiting of the sliding groove 16, the two clamping blocks 19 can move relatively, and therefore the workpiece can be clamped; by controlling the distance between the two clamping blocks 19, workpieces with different diameters can be clamped, and the clamping device is good in practicability and simple to operate;

then, the hydraulic cylinder 3 is started, the movable plate 4, the tapping unit 5 and the second electric telescopic rod 22 are driven by the hydraulic cylinder 3 to move downwards, the second electric telescopic rod 22 and the rack plate 23 move downwards to drive the transmission gear 24 to rotate, so that the transmission rod rotates, the second telescopic rod 12 and the two bevel gears 13 rotate under the matching of the belt 20 and the belt pulley 21, so that the rotating rod 14 and the fixed plate 15 rotate, the rack plate 23 is not meshed with the transmission gear 24 any more along with the downward movement of the rack plate 23, the rotating rod 14 does not rotate any more, the extrusion plate 8 abuts against the upper end of the workpiece at the moment, the movable plate 4 continues to move downwards along with the downward movement, the spring 7 is in a compression state, the extrusion plate 8 is tightly abutted against the workpiece to limit under the counter-acting force of the spring 7, and finally the tapping unit 5 moves downwards to tap the workpiece;

after tapping is finished, the hydraulic cylinder 3 is driven to drive the moving plate 4 to reset, the rack plate 23 is meshed with the transmission gear 24, under the action of the one-way bearing, idle rotation occurs between the transmission rod and the transmission gear 24, the fixing plate 15 is in a static state, and when the hydraulic cylinder 3 moves downwards again, the fixing plate 15 can be driven to rotate for a certain angle, and then tapping is carried out;

as described above, the hydraulic cylinder 3 moves up and down continuously, so that the workpiece can be rotated at a fixed angle and tapped;

if tapping is carried out on workpieces with different diameters, the first electric telescopic rod 10 is controlled to drive the guide block 11, the rotating rod 14 and the fixing plate 15 to move, the second telescopic rod 12 stretches at the moment, the tapping unit 5 is located on the circumference needing tapping, and then the hydraulic cylinder 3 is started to carry out tapping;

if the angle of tapping needs to be adjusted, the radian between the two screw holes, namely the rotating angle of the workpiece, is required to be adjusted, the worker can control the second electric telescopic rod 22 to enable the rack plate 23 to move upwards or downwards due to the fixed moving distance of the moving plate 4, so that the length of meshing between the rack plate 23 and the transmission gear 24 can be controlled, the rotating number of turns of the transmission gear 24 can be controlled, and the rotating angle of the workpiece can be further controlled.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An adjustable tapping mechanism for a tapping machine comprises a base (1) and is characterized in that an L-shaped plate (2) is arranged on the base (1), a hydraulic cylinder (3) is arranged on the L-shaped plate (2), a movable plate (4) is arranged at the output end of the hydraulic cylinder (3), the bottom of the moving plate (4) is provided with a tapping unit (5), the bottom of the moving plate (4) is provided with a limiting mechanism, the upper end of the base (1) is provided with a guide groove (9), a first electric telescopic rod (10) is arranged in the guide groove (9), the output end of the first electric telescopic rod (10) is provided with a guide block (11) which is connected with the inner wall of the guide groove (9) in a sliding way, a rotating rod (14) is rotatably connected on the guide block (11), a clamping mechanism is installed at the upper end of the rotating rod (14), and a driving mechanism is arranged between the moving plate (4) and the rotating rod (14).

2. The adjustable tapping mechanism for the tapping machine is characterized in that the limiting mechanism comprises a first telescopic rod (6) and a spring (7) which are fixed at the bottom of the moving plate (4), the bottom of the first telescopic rod (6) and the bottom of the spring (7) are jointly and fixedly connected with an extrusion plate (8), and the spring (7) is sleeved outside the first telescopic rod (6).

3. The adjustable tapping mechanism for the tapping machine according to claim 1, wherein the clamping mechanism comprises a fixing plate (15) fixed on the upper end of the rotating rod (14), a sliding groove (16) is formed in the fixing plate (15), two clamping blocks (19) are slidably connected in the sliding groove (16), a first screw (17) is rotatably connected to the inner wall of the sliding groove (16), a second screw (18) is fixedly connected to one end of the first screw (17), the other end of the second screw (18) is rotatably connected with the inner wall of the sliding groove (16), the other end of the first screw (17) penetrates through the fixing plate (15) and is rotatably connected with the same, and a handle is installed on the first screw (17).

4. An adjustable tapping mechanism for a tapping machine according to claim 3 wherein the first screw (17) and the second screw (18) have opposite thread directions.

5. The adjustable tapping mechanism for the tapping machine according to claim 1, wherein the driving mechanism comprises a second telescopic rod (12) penetrating through the L-shaped plate (2) and rotatably connected with the L-shaped plate, bevel gears (13) are respectively installed on the second telescopic rod (12) and the rotating rod (14), the two bevel gears (13) are meshed with each other, a second electric telescopic rod (22) is fixedly connected to the bottom of the moving plate (4), a rack plate (23) is fixedly connected to the output end of the second electric telescopic rod (22), a transmission rod rotatably connected with the L-shaped plate (2) is arranged on the L-shaped plate in a penetrating manner, a one-way bearing is installed on the transmission rod, a transmission gear (24) is installed on the one-way bearing, the transmission gear (24) is meshed with the rack plate (23), and belt pulleys (21) are installed on the transmission rod and the second telescopic rod (12), the two pulleys (21) are connected by a belt (20).

6. The adjustable tapping mechanism for tapping machines of claim 5 wherein said second telescoping rod (12) is internally rectangular in shape.