CN215966741U

CN215966741U - Tapping machine capable of rapidly replacing tapping head

Info

Publication number: CN215966741U
Application number: CN202121706971.XU
Authority: CN
Inventors: 陈刚刚
Original assignee: Xiamen Xinzhenggang Machinery Co ltd
Current assignee: Xiamen Xinzhenggang Machinery Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-03-08
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a tapping machine capable of quickly replacing a tapping head, which belongs to the technical field of tapping machines and comprises a base, an upright post fixedly connected to one side of the top of the base, a working platform connected to the upright post in a sliding manner, a machine head fixedly connected to the top end of the upright post, a rotating shaft rotatably connected to the position of the machine head right above the working platform, a quick-change connector fixedly connected to the output end of the rotating shaft, a screw tap fixedly connected to the lower end of the quick-change connector, the quick-change connector is formed by enclosing two symmetrically arranged chunks, the two chunks are mutually and tightly connected through bolts, a sliding groove is formed in the bottom surface of the quick-change connector, two sliding blocks matched with the sliding groove are symmetrically arranged in the sliding groove, a V-shaped groove is formed in the middle of one end, close to each other, horizontally arranged double screws are rotatably connected in the sliding groove, the thread directions of the two ends of the double screws are opposite, and the two sliding blocks are respectively in thread connection with the two ends of the double screws, the application range of the device is increased.

Description

Tapping machine capable of rapidly replacing tapping head

Technical Field

The utility model relates to the technical field of tapping machines, in particular to a tapping machine capable of quickly replacing a tapping head.

Background

The tapping machine is a machine tool for processing internal threads by using a screw tap, and is an internal thread processing machine tool which is most widely applied. According to the national mechanical industry standard, the tapping machine comprises the following components: desk-top tapping machine, semi-automatic desk-top tapping machine, vertical tapping machine, horizontal tapping machine, at present, current tapping machine is at the in-process of work, because the long-term use of attacking the head or the reason of attacking head self quality cause the damage of attacking the head easily, when attacking the head and damaging, need timely change attacking the head, but current tapping machine change attack the head more difficult.

To this end, those skilled in the relevant art have made improvements, such as "a bench tapping machine for easy tap replacement" proposed in chinese patent publication No. CN213003110U, which includes a base; the tapping mechanism comprises a motor, a supporting seat, a screw tap, a fixing sleeve and a rotating shaft, wherein the motor is arranged on the supporting seat and is in transmission connection with the rotating shaft, the rotating shaft is detachably connected with one end of the fixing sleeve, and the screw tap penetrates through the other end of the fixing sleeve and is detachably connected with the fixing sleeve; the workpiece moving mechanism comprises a workbench and a cylinder, the cylinder is installed on the base, and an expansion link of the cylinder is connected with the workbench.

However, the technical solution in this document still has the disadvantage that the shape of the tail end of the tap used in the tapping machine is special and different from the tap commonly used in the market, so that the tap cannot be used commonly with the tap commonly used in the market.

Based on the above, the utility model provides a tapping machine capable of rapidly replacing a tapping head, so as to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tapping machine capable of rapidly replacing a tapping head so as to solve the technical problem.

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

a tapping machine capable of quickly replacing a tapping head comprises a base, a stand column fixedly connected to one side of the top of the base, a working platform slidably connected to the stand column, and a machine head fixedly connected to the top end of the stand column, wherein the machine head is rotatably connected with a rotating shaft at a position right above the working platform, the output end of the rotating shaft is fixedly connected with a quick-change connector, the lower end of the quick-change connector is fixedly connected with a screw tap, the cross section of the joint of the screw tap and the quick-change connector is square, the quick-change connector is formed by enclosing two symmetrically arranged building blocks, the two building blocks are mutually and tightly connected through bolts, the bottom surface of the quick-change connector is provided with a sliding groove, two sliding blocks matched with the sliding groove are symmetrically arranged in the sliding groove, a V-shaped groove is formed in the middle part of one end, close to each other, the sliding groove is connected with a horizontally arranged double screw rod, and the screw threads at the two ends of the double screw rod are opposite in rotation directions, the two sliding blocks are respectively in threaded connection with the two ends of the double screw, when the double screw rotates, the two sliding blocks move towards the direction of approaching to or separating from each other, and when the two V-shaped grooves are tightly attached to each other, the side faces of the two sliding blocks are square.

Preferably, the part of the twin screw extending to the outside of the quick-change coupling forms the drive.

Preferably, the driving part has a cross-sectional profile in the shape of a regular hexagon.

Preferably, one side of the quick-change connector, which is close to the driving part, protrudes towards the driving part to form a driving platform, the double screws are positioned between the driving part and the driving platform, and a ratchet wheel is fixedly connected between the double screws and the driving platform, and a pawl matched with the ratchet wheel is rotatably connected on the driving platform and above the ratchet wheel.

Preferably, the two sides of the sliding block are fixedly connected with guide blocks, and guide grooves matched with the guide blocks are formed in the sliding grooves.

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

when the quick-change screw tap is used, the two blocks are combined through the bolts, the rotating shaft is fixedly connected to the upper end of the quick-change connector, the sliding blocks in the sliding grooves move in the direction away from each other through the rotating driving part, then the screw tap fixing ends are inserted between the two sliding blocks, the sliding blocks in the sliding grooves move in the direction close to each other through the rotating driving part, the screw tap fixing ends are clamped in the V-shaped grooves of the two sliding blocks and fixed, the driving part cannot move in the direction away from each other through the mutual matching of the ratchet pawls, the fastening connection between the screw tap and the quick-change connector is guaranteed, the existing common screw tap in the market can be conveniently clamped and fixed through the arrangement of the sliding blocks and the V-shaped grooves, and the applicability of the equipment is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a schematic structural view of the quick-change coupler according to the embodiment;

fig. 3 is an exploded view of the quick-change coupler of the present embodiment;

fig. 4 is a schematic bottom view of the quick-change coupler of this embodiment;

FIG. 5 is a schematic view of the highlighted tap of this embodiment.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 11. a column; 2. a working platform; 3. a machine head; 4. a rotating shaft; 5. a quick-change connector; 51. blocking; 52. a drive platform; 521. a pawl; 6. a screw tap; 7. double screw; 71. a drive section; 72. a ratchet wheel; 8. a slider; 81. a V-shaped groove; 82. and a guide block.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a tapping machine capable of quickly replacing a tapping head comprises a base 1, a stand column 11 fixedly connected to one side of the top of the base 1, a working platform 2 slidably connected to the stand column 11, a machine head 3 fixedly connected to the top end of the stand column 11, a rotating shaft 4 rotatably connected to the position, located right above the working platform 2, of the machine head 3, a quick-change connector 5 fixedly connected to the output end of the rotating shaft 4, a screw tap 6 fixedly connected to the lower end of the quick-change connector 5, the cross-sectional shape of the joint of the screw tap 6 and the quick-change connector 5 is square, the quick-change connector 5 is formed by enclosing two symmetrically arranged block sets 51, the two block sets 51 are mutually and tightly connected through bolts, a sliding groove is formed in the bottom surface of the quick-change connector 5, two sliding blocks 8 matched with the sliding groove are symmetrically arranged in the sliding groove, a V-shaped groove 81 is formed in the middle of one end, a horizontally arranged double screw 7 is rotatably connected in the sliding groove, and the threads at the two ends of the double screw 7 are opposite in rotation direction, two sliders 8 are threaded connection respectively at 7 both ends of twin-screw, when twin-screw 7 rotates, two sliders 8 move towards the direction that is close to each other or keeps away from each other, when two V types paste each other tightly, its side is square shape, wherein, pivot 4 is by motor drive, a shaft hole has been seted up at 5 tops of quick change coupler, during the bolt locking of 5 both sides of quick change coupler, shaft hole and 4 interference fit of pivot, fix quick change coupler 5 at the lower extreme of pivot 4, the opening of V type groove 81 is less than the width of spout terminal surface, can adapt to the screw tap 6 of more sizes like this, screw tap 6 has higher axiality when installing with pivot 4.

Preferably, as shown in fig. 2, the part of the twin screw 7 extending to the outside of the quick-change coupler 5 forms a driving portion 71, and the driving portion 71 is used for driving the twin screw 7 to rotate.

Preferably, the cross-sectional profile of the driving portion 71 is regular hexagon, and in this embodiment, the driving portion 71 can be screwed by a wrench.

Preferably, as shown in fig. 2-3, a side of the quick-change coupler 5 close to the driving portion 71 protrudes toward the driving portion 71 to form a driving platform 52, a ratchet 72 is fixedly connected between the driving portion 71 and the driving platform 52 of the double screw 7, a pawl 521 matched with the ratchet 72 is rotatably connected to the driving platform 52 and above the ratchet 72, when the double screw 7 rotates to a state that the slider 8 clamps the tap 6, under the action of gravity, the tip of the pawl 521 presses against the ratchet of the ratchet 72 downward so as to rotate only in one direction, the double screw 7 cannot rotate in a direction of loosening the tap 6 so as to prevent the tap 6 from loosening, and when the tap 6 needs to be replaced, the pawl 521 is firstly moved upward to disengage from the ratchet 72 so as to enable the double screw 7 to move in a direction of loosening the tap 6.

Preferably, as shown in fig. 3, the two sides of the sliding block 8 are fixedly connected with the guide blocks 82, the sliding grooves are provided with guide grooves matched with the guide blocks 82, the sliding of the sliding block 8 is smoother due to the guide grooves, and in this embodiment, the cross-sectional shapes of the guide blocks 82 are rectangular.

One specific application of this embodiment is:

when the screw tap 6 is needed to be replaced, the pawl 521 is shifted upwards to enable the ratchet wheel 72 to freely rotate towards two sides, the driving part 71 is rotated to enable the sliding blocks 8 to move towards the direction away from each other, so that the fastening connection between the screw tap 6 and the quick-change connector 5 is ensured, and the old screw tap 6 is removed to replace the new screw tap 6, the existing common screw tap 6 in the market can be conveniently clamped and fixed by the slide block 8 and the V-shaped groove 81, so that the applicability of the equipment is greatly improved.

In summary, the tap 6 can be fixed below the quick-change coupler 5 by the arrangement of the sliding block 8 and the double screws 7, the common tap 6 on the market can be clamped by the arrangement of the V-shaped groove 81, the use range of the equipment is expanded, the tap 6 can be firmly installed by the arrangement of the ratchet 72 and the pawls 521, and the tap 6 is prevented from falling off during processing.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but tapping machine of quick replacement tapping head, includes base (1), fixed connection in stand (11) of base (1) top one side, sliding connection in work platform (2) of stand (11), fixed connection in aircraft nose (3) on stand (11) top, its characterized in that: the machine head (3) is rotatably connected with a rotating shaft (4) at a position right above the working platform (2), the output end of the rotating shaft (4) is fixedly connected with a quick-change connector (5), the lower end of the quick-change connector (5) is fixedly connected with a screw tap (6), the cross section of the joint of the screw tap (6) and the quick-change connector (5) is square, the quick-change connector (5) is formed by enclosing two symmetrically-arranged blocks (51), the two blocks (51) are mutually and tightly connected through bolts, the bottom surface of the quick-change connector (5) is provided with a sliding groove, two sliding blocks (8) matched with the sliding groove are symmetrically arranged in the sliding groove, the middle parts of the two ends, close to each other, of the two sliding blocks (8) are respectively provided with a V-shaped groove (81), a horizontally-arranged double screw (7) is rotatably connected in the sliding groove, and the screw threads at the two ends of the double screw (7) are opposite in rotation direction, the two sliding blocks (8) are respectively in threaded connection with two ends of the double screw (7), when the double screw (7) rotates, the two sliding blocks (8) move towards the directions close to or away from each other, and when the two V-shaped grooves are tightly attached to each other, the side faces of the two sliding blocks are square.

2. The tapping machine of claim 1 wherein said tapping head is replaceable by: the part of the double screw (7) extending to the outside of the quick-change joint (5) forms a driving part (71).

3. The tapping machine of claim 2 wherein said tapping head is replaceable by: the cross section outline of the driving part (71) is regular hexagon.

4. The tapping machine of claim 2 wherein said tapping head is replaceable by: one side of the quick-change connector (5) close to the driving part (71) protrudes towards the driving part (71) to form a driving platform (52), a ratchet wheel (72) is fixedly connected between the driving part (71) and the driving platform (52) of the double screw (7), and a pawl (521) matched with the ratchet wheel (72) is rotatably connected on the driving platform (52) above the ratchet wheel (72).

5. The tapping machine of claim 1 wherein said tapping head is replaceable by: the sliding block (8) is fixedly connected with guide blocks (82) on two sides, and guide grooves matched with the guide blocks (82) are formed in the sliding grooves.