CN209811382U

CN209811382U - Universal tapping head

Info

Publication number: CN209811382U
Application number: CN201920567308.2U
Authority: CN
Inventors: 洪英奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2019-12-20
Anticipated expiration: 2029-04-24

Abstract

The utility model provides an universal tapping head, which comprises a first steering connector, a second steering connector, a connecting rod and a locking cylinder, wherein the first steering connector and the second steering connector are respectively arranged at two ends of the connecting rod; the first steering connector consists of two transmission shaft forks and a cross shaft, the two transmission shaft forks can be rotationally fixed through the cross shaft through a shaft pin, the transmission shaft forks are of a conforming structure with one end being an annular structure and the other end being two symmetrical lug bodies, the annular structure is provided with a through hole, and the lug bodies are also provided with holes for mounting the shaft pin; the equipment has good stability, easy operation and wide application range; the operation is simple and flexible, the vertical and horizontal work of complex and heavy workpieces can be realized, the positioning is rapid, and the processing is accurate; and is suitable for tapping of screw machine equipment.

Description

Universal tapping head

Technical Field

The invention relates to the field of machining equipment, in particular to a universal tapping head.

Background

The tapping machine is a common internal thread processing machine tool, and has the advantages of strong rigidity, high strength, high precision, long service life and the like, so that the tapping machine is widely applied. However, the tapping head of the existing tapping machine is generally fixed on the bracket, the angle cannot be freely moved, and certain special workpieces cannot be machined. Also some tapping machines angularly adjustable, but equipment structure is complicated, and manufacturing cost is high, is unfavorable for the production of small-scale and trial production, consequently a simple structure, convenient operation, low cost's tapping equipment has very big demand, can solve the demand of production and processing such as people's trial production and research and development.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an universal tapping machine to multi-functional demand is realized to simple structure, the problem of wasting time and energy with high costs in the solution production.

In order to solve the technical problem, the utility model adopts the following technical scheme: the universal tapping head comprises a first steering connector, a second steering connector, a connecting rod and a locking barrel, wherein the first steering connector and the second steering connector are respectively installed at two ends of the connecting rod, the other end of the second steering connecting rod is provided with a tapping sleeve, the tail end of the tapping sleeve is provided with the locking barrel, and a drill bit installation block is installed in the locking barrel; the first steering connector consists of two transmission shaft forks and a cross shaft, the two transmission shaft forks can be rotationally fixed through the cross shaft through a shaft pin, the transmission shaft forks are of a conforming structure with one end being of an annular structure and the other end being provided with two symmetrical lug bodies, the annular structure is provided with a through hole, and the lug bodies are also provided with holes for mounting the shaft pin;

the top end of the connecting rod is of a solid cylinder structure, the solid cylinder structure is matched with the inner annular structure of the transmission shaft fork, a fixing hole matched with the through hole structure is formed in the solid cylinder structure and the inner annular structure of the transmission shaft fork, the middle part of the connection is a hollow cylinder with the diameter larger than that of the solid cylinder structure, the tail end of the connecting rod is of a trapezoidal cylinder, the top end, the middle part and the tail end of the connecting rod are integrally formed hollow cylinders with polygonal inner parts, and the depth of each hollow cylinder is smaller than the length of each of the tail end and the middle part;

the other end of the second steering connector is provided with a screw rod, the other end of the screw rod is integrally formed with a locking cylinder, the surface of the locking cylinder is provided with two parallel sections, a hollow multilayer stepped hole is formed in the locking cylinder, and the side wall of the top layer of the stepped hole is of an internal thread structure; the tail end of the locking cylinder is of a miniature structure;

the locking cylinder is internally provided with a tapping head fixing seat which is embedded in the locking cylinder, the tapping head fixing seat comprises three parts, namely a screwing part, a fixing part and a clamping part, the screwing part is a screw-in screw with external threads, and the screw-in screw is matched with the internal thread structure of the side part of the top of the locking cylinder layer by layer to realize rotary screwing; the fixed part is provided with a built-in base which bears the tail end of the tapping head and is stably embedded; the clamping part is of an inverted round table structure, the tail end of the round table structure is of a polygonal structure, and the polygonal structure part of the round table structure is evenly divided into a plurality of blocks with gaps.

According to the design concept of the utility model, the inner wall of the annular ladder of the transmission shaft fork is provided with an internal thread structure, a polygonal structure and a cylindrical structure; the internal thread structure, the polygonal structure and the cylindrical structure are also provided with holes for mounting shaft pins.

According to the design concept of the present invention, the shaft pin is a combination of a bolt and a nut, and the latter is a combination of a pin and a pin clamp.

According to the utility model discloses a design concept, first turn to connector, second and turn to connector, connecting rod and a locking section of thick bamboo and make for alloy high strength material.

According to the design concept of the utility model, the second steering connector and the first steering connector have the same structure, and the internal structure corresponding to the annular structure of the corresponding transmission shaft fork is a multi-deformation structure; each side edge of the polygonal structure in the transmission shaft fork comprises a strip-shaped clamping groove, and the strip-shaped clamping grooves are semicircular or polygonal.

Compared with the prior art, the invention has the following beneficial effects:

1. the tapping machine head of the equipment can rotate for 360 degrees and is suitable for processing workpieces with various angles. Meanwhile, the tapping requirements of various lengths can be met, the locking cylinder is vertically positioned in an internal mode, and the problem that the tapping machine is vertically troublesome to correct is solved, so that a large amount of time is saved, the working efficiency is improved, and the processing precision and the product quality are guaranteed.

2. The equipment has good stability, easy operation and wide application range.

3. The method is simple and flexible to operate, can realize vertical and horizontal work on complex and heavy workpieces, and is rapid in positioning and accurate in processing.

4. And is suitable for tapping of screw machine equipment.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a first steering connector of the present invention;

fig. 3 is a schematic view of the structure of the tapping head fixing base of the present invention.

Detailed Description

Referring to fig. 1 to 3, a driving shaft fork 6 of a first steering connector 1 of the universal tapping head of the present invention is fixedly mounted on a mounting seat of a power device, the power device is a motor or a motor, the mounting seat is arranged on the power device, the first steering connector 1 and the second steering connector 2 are engaged to realize multi-directional rotation, the connecting part of the connecting rod 3 and the second steering connector 2 is connected through a polygonal column body, each side surface of the polygonal column body is provided with a raised rectangular strip, the polygonal structure realizes the adjustment of corresponding angles, in order to increase the variety of adjustment directions, the sides of the polygonal structure need to be increased, in order to increase the contact area and enhance the force, the rectangular strip or the cambered surface structure or the polygonal structure is added on the side surface, so that the stress area is increased, and the torsion moment is dispersed while the steering amplitude is adjusted.

Both the first steering connector 1 and the second steering connector 2 are provided with cross shafts 7, the cross shafts 7 are square blocks which are crossed by two crosses arranged on the front, the back, the left and the right sides, and the rest parts are of arc structures, so that the rotation is convenient and the friction force is reduced.

In order to reduce the variation in the displacement of the connection between the first steering connector 1, the second steering connector 2 and the connecting rod 2, the fixing is performed by means of an axle pin, which is preferably a restraining axle pin, or a combination of a bolt and a nut.

The top end, the middle part and the tail end of the connecting rod 2 are integrally formed hollow cylinders with polygonal interiors, and the depth of each hollow cylinder is smaller than the length of each tail end and the length of the middle part; the trapezoidal cylinder at the tail end of the connecting rod 2 reduces the edges and corners of the connecting surface, reduces the harm to multiple bodies and facilitates the use of people.

The polygonal column and the hollow column of the connecting rod 2 form a matching structure.

The second steering connector 2 is connected with the locking barrel 4 through a screw rod, the length of the screw rod can be adjusted according to actual requirements, the requirements for tapping of different lengths are met, and the locking barrel 4 at the other end of the screw rod is provided with specifications of various diameters; the internal structure of the locking cylinder 4 is matched with the structure of the tapping head fixing seat 5; the depth of the internal thread structure of the locking cylinder 4 is greater than the length of the screwing part 8 screwing screw, the screwing depth of the screwing part 8 determines the entering depth of the clamping part 10, and the clamping force is adjusted through the extrusion of the circular truncated cone structure, so that the locking cylinder 4 fixes the tapping head fixing seat 5 and simultaneously fixes the tapping head; the tapping head is placed in the corresponding fixing part 9, the internal structure of the fixing part 9 is matched with the structure of the end part of the tapping head, and a locking assembly is arranged.

The tapping head enters into the rotary driving locking cylinder 4 to enter into the end part miniature structure, and the tapping is carried out quickly and linearly under the righting action of the locking cylinder 4.

Adjusting in addition the length of a locking section of thick bamboo 4, the tip of a locking section of thick bamboo 4 sets up the nut structure of different diameters, places the nut that the appearance structure matches and to the position of placing of a locking section of thick bamboo 4, realizes quick tapping that compresses tightly, has avoided vertical correction, realization nut tapping that can be quick. And the structure is simple and the quality is high.

Claims

1. The universal tapping head is characterized by comprising a first steering connector, a second steering connector, a connecting rod and a locking barrel, wherein the first steering connector and the second steering connector are respectively installed at two ends of the connecting rod, the other end of the second steering connecting rod is provided with a tapping sleeve, the tail end of the tapping sleeve is provided with the locking barrel, and a drill bit installation block is installed in the locking barrel; the first steering connector consists of two transmission shaft forks and a cross shaft, the two transmission shaft forks can be rotationally fixed through the cross shaft through a shaft pin, the transmission shaft forks are of a conforming structure with one end being of an annular structure and the other end being provided with two symmetrical lug bodies, the annular structure is provided with a through hole, and the lug bodies are also provided with holes for mounting the shaft pin;

2. The universal tapping head of claim 1, wherein said drive yoke has an inner annular stepped wall having an internal thread configuration, a polygonal configuration, a cylindrical configuration; the internal thread structure, the polygonal structure and the cylindrical structure are also provided with holes for mounting shaft pins.

3. The universal tapping head of claim 2 wherein said pin is a bolt and nut combination, the latter being a pin and pin clamp combination.

4. The universal tapping head of claim 1, wherein said second steering coupler is identical to said first steering coupler in construction, and wherein said corresponding inner configuration of said annular configuration of said respective drive shaft yoke is polygonal; each side edge of the polygonal structure in the transmission shaft fork comprises a strip-shaped clamping groove, and the strip-shaped clamping grooves are semicircular or polygonal.