WO2019084907A1

WO2019084907A1 - Detachable screw mouth and automatic screw-fastening machine

Info

Publication number: WO2019084907A1
Application number: PCT/CN2017/109288
Authority: WO
Inventors: 张木友
Original assignee: 深圳豪誉新技术开发有限公司
Priority date: 2017-11-03
Filing date: 2017-11-03
Publication date: 2019-05-09

Abstract

Provided is an automatic screw-fastening machine, comprising a guiding device (2), an electric screwdriver (3) for fastening, and a detachable screw mouth (1). The detachable screw mouth is disposed at a bottom portion of the guiding device of the automatic screw-fastening machine. The detachable screw mouth is provided with a locking portion thereon, and the bottom portion of the guiding device is provided with a fitting portion. The locking portion fits with the fitting portion such that the detachable screw mouth is detachably connected with the guiding device. As a result, the detachable screw mouth can be quickly attached and detached with respect to the guiding device by means of cooperation between the locking portion and the fitting portion. A detachable screw mouth adapted for the automatic screw-fastening machine is also provided. The invention can achieve the goal of quickly changing screw mouths of different specifications, and has a simple structure and provides improved efficiency in screw mouth attachment and detachment.

Description

Removable screw nozzle and automatic locking screw machine

Technical field

The invention relates to the field of mechanical automation, in particular to a detachable screw nozzle and an automatic locking screw machine.

Background technique

When the condensation screw is manually operated, a hand-held screw is required to be attached to the pre-locking position of the workpiece, and the other hand-held screwdriver is pressed and pressed while rotating the screwdriver until the screw is locked. Then, during the locking process of the screw, as the screw gradually penetrates into the workpiece, the torque that the operator needs to apply to the screwdriver also needs to be continuously increased, and the operation is time-consuming and labor-intensive, and the quality of the product cannot be guaranteed.

With the development of society and the advancement of science, in order to replace the manual operation of the locking screw, the automatic locking screw machine came into being. The automatic locking screw machine is an automatic device that uses the automatic mechanism instead of the manual to complete the screwing, releasing and tightening of the screw. It can greatly improve production efficiency, reduce production costs and improve reliability. At present, a common automatic locking screw machine is composed of a feeding system and a locking system, and the locking system includes a guiding device, a locking electric batch and a screw nozzle, wherein the screw nozzle is fixedly locked on the guiding device and disposed in the locking electric batch Below the batch head, the bit movement of the lock-on electric batch is telescoped in the screw nozzle; when the automatic lock screw machine is working, the screw is transported by the feeding system to the screw nozzle of the locking system, and the bit is inserted in the screw nozzle and Adsorbing the nut of the screw to be locked, and then starting the locking electric batch, the guiding device restricts the movement of the bit in the locking direction, the bit rotates in the screw mouth and locks the screw in the locking direction in the pre-locking position.

The above-mentioned automatic locking screw machine has a single screw specification for each screw nozzle, and when it is required to be applied to screws of different specifications, it is necessary to replace the screw nozzle and the batch head of different specifications, but the screw nozzle is fixed by screw connection. Locking on the guide, which leads to disassembly The operation is cumbersome and time consuming, resulting in inefficient processing. Therefore, how to realize the quick disassembly and assembly of the screw nozzle in the automatic locking screw machine to adapt to different specifications of the screw type is called an urgent problem to be solved.

Summary of the invention

Therefore, the technical problem to be solved by the present invention is to overcome the technical defects of the complicated structure and complicated operation of the arm of the multi-axis aircraft of the prior art in the process of disassembly and assembly.

To this end, the invention provides a detachable screw nozzle, which is suitable for an automatic locking screw machine. The detachable screw nozzle is arranged at the bottom of the guiding device of the automatic locking screw machine, and the locking screw mouth is provided with a locking portion, the guiding device The bottom portion is fixedly provided with a fitting portion, and the locking portion is adapted to the fitting portion to detachably connect the detachable screw nozzle with the guiding device.

Further, the detachable screw nozzle is disposed on a side surface of the guiding device with a hollow first connecting portion, and the locking portion is a fastening screw sleeve that is sleeved on the outer surface of the first connecting portion, and is fastened inside the screw ring The surface is provided with an internal thread; the engaging portion is a hollow second connecting portion provided on the guiding device, the second connecting portion is provided with an external thread on the outer peripheral surface of one end of the detachable screw nozzle; the first connecting portion is inserted into the second connecting portion And connecting the second connecting portion and the first connecting portion by engaging the internal thread and the external thread.

Further, the fastening screw has an annular base ring, and an end surface of the base ring facing away from the second connecting portion extends radially inward to form an annular pressing ring; the outer peripheral surface of the first connecting portion is outwardly convex There is an annular limiting boss; the internal thread and the external thread are engaged with each other, and the pressing ring abuts against the limiting boss.

Further, the outer diameter of the limiting boss is larger than the inner diameter of the pressure ring, and the outer diameter of the limiting boss is smaller than the inner diameter of the base ring.

Further, the detachable screw nozzle has a screw nozzle body, and a receiving space is vertically formed in the screw nozzle body, and a feeding tube is obliquely disposed on one side of the screw nozzle body, and the screw nozzle body protrudes toward one side surface of the guiding device There is a first connecting portion, and the feeding tube and the first connecting portion are respectively connected to the receiving space.

Further, the bottom of the detachable screw nozzle is provided with a detachable positioning portion, and the bottom of the positioning portion is provided with a positioning post adapted to the screw hole.

The invention also provides an automatic locking screw machine, comprising a guiding device, a locking electric batch and the above-mentioned detachable screw nozzle; the guiding device comprises a fixing plate and a connecting plate which are arranged in parallel at intervals, and the vertical setting between the fixing plate and the connecting plate There is at least one telescopic handle, the telescopic handle is movable to adjust the spacing between the fixing plate and the connecting plate, and the bottom of the connecting plate is fixedly provided with a matching portion; the housing of the locking electric batch is vertically inserted in the fixing plate, and the locking is electrically connected The batch head passes vertically through the connecting plate, and the movable downward movement protrudes from the mating portion; the detachable screw nozzle is disposed at the bottom of the connecting plate, and the lock of the electric batch is inserted into the lock of the detachable screw nozzle In the tight part.

Further, there are two telescopic handles, and two telescopic handles are respectively vertically spaced apart at two ends of the fixing plate. Each telescopic handle has a handle body, and a telescopic rod is disposed on the bottom of the handle body, and the handle body is fixedly inserted. On the fixing plate, the free end of the telescopic rod abuts against the upper surface of the connecting plate; the locking electric batch is disposed at the intermediate connection position of the two telescopic handles, and the housing of the locking electric batch is fixedly inserted in the fixing plate, and The bit passes through the connecting plate; when the distance between the fixing plate and the connecting plate is adjusted by the expansion and contraction of the telescopic rod, the bit movement is telescoped in the mating portion of the connecting plate and inserted into the detachable screw nozzle.

Further, the connecting plate is provided with two blind holes, and the upper surface of the connecting plate is provided with a gasket on the periphery of the blind hole; the free ends of the telescopic rods of the two telescopic handles are respectively inserted into the blind holes, and the telescopic rod is sleeved There are springs that provide elastic restoring force for the telescopic rod.

Further, the utility model further comprises a feeding device, wherein a telescopic handle is provided with a feeding switch for controlling the feeding device, and the other telescopic handle is provided with an electric batch rotary switch for controlling the rotation of the bit.

The detachable screw nozzle and the automatic locking screw machine provided by the invention provide a detachable screw nozzle at the bottom of the guiding device of the automatic locking screw machine, and the detachable screw nozzle is provided with a locking portion, and the bottom of the guiding device is fixedly arranged The utility model has a matching portion, the locking portion is adapted to the fitting portion, so that the detachable screw nozzle is detachably connected with the connecting plate, and the detachable screw nozzle is realized on the guiding device by the cooperation between the locking portion and the fitting portion. Quick disassembly and assembly for quick replacement of different sizes of screws The purpose of the mouth is simple in structure, which improves the efficiency of disassembly and assembly of the screw nozzle.

DRAWINGS

In order to more clearly illustrate the technical solutions of the specific embodiments of the present invention, the invention will be further described in detail below in accordance with the specific embodiments of the invention and the accompanying drawings.

Figure 1 is a schematic view of an embodiment of the present invention;

Figure 2 is an exploded view of the automatic locking screw machine shown in Figure 1;

Figure 3 is a schematic view showing the detachable screw nozzle of the automatic locking screw machine of Figure 1 mounted on the connecting plate;

Figure 4 is a plan view of the automatic locking screw machine of Figure 3 taken along line I-I;

Figure 5 is an enlarged schematic view showing the locking portion and the fitting portion of the automatic locking screw machine shown in Figure 1;

Figure 6 is a schematic view of the automatic locking screw machine of Figure 5 taken along line II-II.

The reference numerals in the drawings are explained below.

1-detachable screw nozzle; 11-first connection portion; 111-limit boss;

12-fastening screw ring; 121-internal thread; 122-base ring; 123-pressure ring;

13-screw nozzle body; 131- accommodating space; 14-feed tube; 15--positioning portion;

151-positioning column; 2-guide device; 21-second connection portion; 211-external thread;

22-fixed plate; 23-connecting plate; 231-blind hole; 232-shield; 24-- telescopic handle;

241-handle body; 242- telescopic rod; 243-feed switch; 244-electric batch rotary switch;

25-spring; 3-locked electric batch; 31-shell; 32-batch.

Detailed ways

The technical solutions of the present invention will be clearly and completely described in the following with reference to the accompanying drawings. It is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

In the description of the present invention, it is to be noted that the orientation or positional relationship of the terms "upper", "inside", "outside" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention. The simplifications of the invention are not to be construed as limiting or limiting the invention. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that the terms "mounting" and "connecting" are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral, unless otherwise explicitly stated and defined. Ground connection; it can be a mechanical connection or an electrical connection. When an element is referred to as "connected" to another element, it can be a <RTI ID=0.0> </ RTI> </ RTI> <RTIgt; The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

Further, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

A specific embodiment of the automatic locking screw machine shown in FIG. 1 and FIG. 2 includes a guiding device 2, a locking electric batch 3 and a detachable screw nozzle 1; the guiding device 2 includes a fixing plate 22 which is arranged in parallel at an upper and lower intervals and The connecting plate 23, the fixing plate 22 and the connecting plate 23 are vertically disposed with at least one telescopic handle 24, and the telescopic handle 24 is movable to adjust the spacing between the fixing plate 22 and the connecting plate 23. The bottom of the connecting plate 23 is fixedly provided with a fit. The housing 31 of the locking electric batch 3 is vertically inserted into the fixing plate 22, and the bit 32 of the locking electric batch 3 vertically passes through the connecting plate 23, and moves downwardly to protrude from the engaging portion; the detachable screw The nozzle 1 is disposed at the bottom of the connecting plate 23 of the guiding device 2, and the detachable screw nozzle 1 is provided with a locking portion, and the locking portion is matched with the fitting portion to detachably connect the detachable screw nozzle 1 with the guiding device 2. The bit 32 of the lock electric batch 3 is inserted into the locking portion of the detachable screw nozzle 1.

The above automatic locking screw machine is provided with a detachable screw nozzle 1 at the bottom of the guiding device 2 of the automatic locking screw machine, and the detachable screw nozzle 1 is provided with a locking portion, the bottom of the guiding device 2 The fixing portion is fixedly provided with a fitting portion, and the locking portion is adapted to the fitting portion, so that the detachable screw nozzle 1 and the connecting plate 23 are detachably connected, and the detachable screw nozzle is realized by the cooperation between the locking portion and the fitting portion. 1 Quick disassembly and assembly on the guiding device 2, in order to achieve the purpose of quickly replacing the screw nozzles of different specifications, the structure is simple, and the efficiency of disassembling and assembling the screw nozzle is improved.

Specifically, as shown in FIG. 3 to FIG. 6 , the detachable screw nozzle 1 has a screw nozzle body 13 . The screw nozzle body 13 defines a receiving space 131 vertically. The tube 14 and the screw nozzle body 13 protrude toward the one surface of the guiding device 2 with a hollow first connecting portion 11 , and the feeding tube 14 and the first connecting portion 11 respectively communicate with the receiving space 131 , and the locking portion is a movable sleeve The fastening screw 12 is disposed on the outer surface of the first connecting portion 11, and the inner surface of the fastening screw 12 is provided with an internal thread 121. Further, by providing the accommodating space 131, the first connecting portion 11 and the feeding tube 14 which are in communication with each other, the locking electric batch 3 of the automatic screw machine can pass through the guiding device 2, and the connection between the locking portion and the fitting portion is passed. And extending into the accommodating space 131 through the first connecting portion 11; and the screw to be locked is guided into the accommodating space 131 through the feeding tube 14, so that the locking electric batch 3 adsorbs the screw in the accommodating space 131. And to limit the relative position between the two to complete the subsequent locking work.

At the same time, the mating portion is a hollow second connecting portion 21 disposed on the guiding device 2, and the second connecting portion 21 is provided with an external thread 211 on the outer peripheral surface of one end of the detachable screw nozzle 1; the first connecting portion 11 is inserted into the first connecting portion 11 In the second connecting portion 21, the second connecting portion 21 and the first connecting portion 11 are connected by the internal thread 121 and the external thread 211, and the first connecting portion 11 and the second connecting portion 21 are connected by screwing. The connection is convenient and simple.

During the locking of the fastening screw 12, the engagement of the threads only causes a fastening connection between the fastening screw 12 and the second connection 21, in order to achieve a connection between the first connection 11 and the second connection 21 The mutual fixing is also required, and at the same time, the fastening screw 12 and the first connecting portion 11 are required to be fixed to each other in the locked state.

In this regard, as shown in FIG. 4 to FIG. 6 , the fastening screw 12 has an annular base ring 122 , and an end surface of the base ring 122 facing away from the second connecting portion 21 extends radially inward to form an annular pressure. Ring 123; The outer peripheral surface of the first connecting portion 11 protrudes outwardly from an annular limiting boss 111. The outer diameter of the limiting boss 111 is larger than the inner diameter of the pressing ring 123, and the outer diameter of the limiting boss 111 is smaller than the base ring 122. The inner diameter of the inner thread 121 and the outer thread 211 are engaged with each other until the pressure ring 123 abuts against the limiting boss 111, so that when the fastening screw 12 locks the second connecting portion 21, The position boss 111 limits the further engagement between the internal thread 121 on the fastening screw 12 and the external thread 211 of the second connecting portion 21, while also fastening the screw ring 12 in the axial direction of the first connecting portion 11. Locking, that is, a fixed connection of the first connecting portion 11 and the second connecting portion 21 in the axial direction is achieved.

As an alternative embodiment, as shown in FIG. 4, the bottom of the detachable screw nozzle 1 is provided with a detachable positioning portion 15, and the bottom of the positioning portion 15 is provided with a positioning post 151 adapted to the screw hole, and then different when needed When the screw lock of the specification is attached to the corresponding screw hole, the screw can be accurately locked by the positioning position between the positioning post 151 and the positioning hole, and is especially suitable for the countersunk hole.

In order to achieve a stable guiding action of the guiding device 2, as an alternative embodiment, as shown in FIG. 1 and FIG. 2, there are two telescopic handles 24, and two telescopic handles 24 are vertically spaced apart from each other in the fixing plate 22. Each of the telescopic handles 24 has a handle body 241. The bottom of the handle body 241 is movably disposed with a telescopic rod 242. The handle body 241 is fixedly inserted on the fixing plate 22, and the free end of the telescopic rod 242 abuts against the top connecting plate 23. The upper surface; the locking electric batch 3 is disposed at the intermediate connection position of the two telescopic handles 24, the housing 31 of the locking electric batch 3 is fixedly inserted in the fixing plate 22, and the bit 32 passes through the connecting plate 23; When the telescopic rod 242 is manually pressed or the telescopic rod 242 is mechanically driven, the distance between the fixed plate 22 and the connecting plate 23 is adjusted by the expansion and contraction of the telescopic rod 242. At this time, the bit 32 is movably stretched in the engaging portion of the connecting plate 23. And inserted in the detachable screw nozzle 1, thereby realizing the position change of the bit 32 in the detachable screw nozzle 1, thereby realizing the locking or dismounting of the screw placed in the detachable screw nozzle 1 Move up, that is, the automatic lock is guaranteed The normal realization of the screw machine to the screw lock function.

As an alternative embodiment, as shown in FIG. 2, the connecting plate 23 is provided with two blind holes 231. The upper surface of the connecting plate 23 is provided with a spacer 232 at the periphery of the blind hole 231; The free ends of the rods 242 are respectively inserted into the blind holes 231, and the telescopic rods 242 are sleeved The telescopic rod 242 provides a resilient restoring force spring 25, and when the telescopic handle 24 is depressed, the spacer 232 avoids wear between the spring 25 and the connecting plate 23, and after the locking is completed, the spring 25 provides a suitable fit for the telescopic handle 24. The elastic restoring force causes the bit 32 of the lock electric batch 3 to be moved up to the initial position.

In addition, the automatic locking screw machine further includes a feeding device (not shown), wherein a telescopic handle 24 is provided with a feeding switch 243 for controlling the feeding device, and the other telescopic handle 24 is provided with a control bit 32 for rotation. The electric batch rotary switch 244 further realizes automatic control of the feeding device through the feeding switch 243; the control of the operation of the batch head 32 of the locking electric batch 3 is realized by the electric batch rotary switch 244, and the automatic control mode is effectively adopted. This makes the operation simple and the efficiency is greatly improved.

It is apparent that the above-described embodiments are merely illustrative of the examples, and are not intended to limit the embodiments. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. There is no need and no way to exhaust all of the implementations. Obvious changes or variations resulting therefrom are still within the scope of the invention.

Claims

A detachable screw nozzle (1) suitable for an automatic locking screw machine, characterized in that the detachable screw nozzle (1) is disposed at the bottom of the guiding device (2) of the automatic locking screw machine, A locking portion is disposed on the dismounting screw nozzle (1), and a bottom portion of the guiding device (2) is fixedly disposed with a fitting portion, and the locking portion is adapted to the fitting portion to enable the detachable screw nozzle (1) Removably connected to the guiding device (2).
An automatic locking screw machine, comprising: a guiding device (2), a locking electric batch (3), and the detachable screw nozzle (1) according to any one of the above;

The guiding device (2) comprises a fixing plate (22) and a connecting plate (23) arranged in parallel at an upper and lower intervals, and at least one telescopic handle is vertically disposed between the fixing plate (22) and the connecting plate (23) ( 24), the telescopic handle (24) is movable to adjust the spacing between the fixing plate (22) and the connecting plate (23), and the bottom of the connecting plate (23) is fixedly provided with the matching portion ;

The housing (31) of the locking electric batch (3) is vertically inserted into the fixing plate (22), and the bit (32) of the locking electric batch (3) vertically passes through the connecting plate (23), and the activity downward activity extends from the mating portion;

The detachable screw nozzle (1) is disposed at a bottom of the connecting plate (23), and the bit (32) of the locking electric batch (3) is movably inserted into the detachable screw nozzle ( 1) in the locking portion.
A detachable screw nozzle (1) according to claim 1, characterized in that the detachable screw nozzle (1) is provided with a hollow first connecting portion (11) facing one side surface of the guiding device (2) The locking portion is a fastening screw (12) that is sleeved on the outer surface of the first connecting portion (11), and the inner surface of the fastening screw (12) is provided with an internal thread ( 121);

The engaging portion is a hollow second connecting portion (21) provided on the guiding device (2), and the second connecting portion (21) faces an outer peripheral surface of one end of the detachable screw nozzle (1) External thread (211) is provided thereon;

The first connecting portion (11) is inserted into the second connecting portion (21), and is engaged with the external thread (211) by internal threads (121) to make the second connecting portion (21) and the first connection Department (11) is connected.
An automatic locking screw machine, comprising: a guiding device (2), a locking electric batch (3), and the detachable screw nozzle (1) according to any one of the above;

The guiding device (2) comprises a fixing plate (22) and a connecting plate (23) arranged in parallel at an upper and lower intervals, and at least one telescopic handle is vertically disposed between the fixing plate (22) and the connecting plate (23) ( 24), the telescopic handle (24) is movable to adjust the spacing between the fixing plate (22) and the connecting plate (23), and the bottom of the connecting plate (23) is fixedly provided with the matching portion ;

The housing (31) of the locking electric batch (3) is vertically inserted into the fixing plate (22), and the bit (32) of the locking electric batch (3) vertically passes through the connecting plate (23), and the activity downward activity extends from the mating portion;

The detachable screw nozzle (1) is disposed at a bottom of the connecting plate (23), and the bit (32) of the locking electric batch (3) is movably inserted into the detachable screw nozzle ( 1) in the locking portion.
A detachable screw tip (1) according to claim 3, wherein said fastening screw (12) has an annular base ring (122) on said base ring (122) facing away from said An end surface of the second connecting portion (21) extends radially inward to form an annular pressing ring (123); an outer annular surface of the first connecting portion (11) is outwardly convexly provided with an annular limiting boss (111); the internal thread (121) and the external thread (211) are engaged with each other, and the pressure ring (123) abuts against the limiting boss (111).
An automatic locking screw machine, comprising: a guiding device (2), a locking electric batch (3), and the detachable screw nozzle (1) according to any one of the above;

The guiding device (2) comprises a fixing plate (22) and a connecting plate (23) arranged in parallel at an upper and lower intervals, and at least one telescopic handle is vertically disposed between the fixing plate (22) and the connecting plate (23) ( 24) the telescopic handle (24) is movable to adjust the fixing plate (22) and the connecting plate (23) a spacing between the bottom of the connecting plate (23) is fixedly disposed with the mating portion;

The housing (31) of the locking electric batch (3) is vertically inserted into the fixing plate (22), and the bit (32) of the locking electric batch (3) vertically passes through the connecting plate (23), and the activity downward activity extends from the mating portion;

The detachable screw nozzle (1) is disposed at a bottom of the connecting plate (23), and the bit (32) of the locking electric batch (3) is movably inserted into the detachable screw nozzle ( 1) in the locking portion.
The detachable screw nozzle (1) according to claim 5, wherein an outer diameter of the limiting boss (111) is larger than an inner diameter of the pressure ring (123), and the limiting boss ( The outer diameter of 111) is smaller than the inner diameter of the base ring (122).
An automatic locking screw machine, comprising: a guiding device (2), a locking electric batch (3), and the detachable screw nozzle (1) according to any one of the above;

The guiding device (2) comprises a fixing plate (22) and a connecting plate (23) arranged in parallel at an upper and lower intervals, and at least one telescopic handle is vertically disposed between the fixing plate (22) and the connecting plate (23) ( 24), the telescopic handle (24) is movable to adjust the spacing between the fixing plate (22) and the connecting plate (23), and the bottom of the connecting plate (23) is fixedly provided with the matching portion ;

The housing (31) of the locking electric batch (3) is vertically inserted into the fixing plate (22), and the bit (32) of the locking electric batch (3) vertically passes through the connecting plate (23), and the activity downward activity extends from the mating portion;

The detachable screw nozzle (1) is disposed at a bottom of the connecting plate (23), and the bit (32) of the locking electric batch (3) is movably inserted into the detachable screw nozzle ( 1) in the locking portion.
The detachable screw nozzle (1) according to claim 3, wherein the detachable screw nozzle (1) has a screw nozzle body (13), and the screw nozzle body (13) is vertically opened There is a receiving space (131), one side of the screw nozzle body (13) is obliquely disposed with a feeding tube (14) facing the one side surface of the guiding device (2) The first connecting portion (11) is protruded, and the feeding tube (14) and the first connecting portion (11) are respectively in communication with the receiving space (131).
An automatic locking screw machine, comprising: a guiding device (2), a locking electric batch (3), and the detachable screw nozzle (1) according to any one of the above;

The guiding device (2) comprises a fixing plate (22) and a connecting plate (23) arranged in parallel at an upper and lower intervals, and at least one telescopic handle is vertically disposed between the fixing plate (22) and the connecting plate (23) ( 24), the telescopic handle (24) is movable to adjust the spacing between the fixing plate (22) and the connecting plate (23), and the bottom of the connecting plate (23) is fixedly provided with the matching portion ;

The housing (31) of the locking electric batch (3) is vertically inserted into the fixing plate (22), and the bit (32) of the locking electric batch (3) vertically passes through the connecting plate (23), and the activity downward activity extends from the mating portion;

The detachable screw nozzle (1) is disposed at a bottom of the connecting plate (23), and the bit (32) of the locking electric batch (3) is movably inserted into the detachable screw nozzle ( 1) in the locking portion.
The detachable screw nozzle (1) according to claim 1, characterized in that the bottom of the detachable screw nozzle (1) is provided with a detachable positioning portion (15), the bottom of the positioning portion (15) A positioning post (151) is provided which is adapted to the screw hole.
An automatic locking screw machine, comprising: a guiding device (2), a locking electric batch (3) and a detachable screw nozzle (1) according to claim 11;

The guiding device (2) comprises a fixing plate (22) and a connecting plate (23) arranged in parallel at an upper and lower intervals, and at least one telescopic handle is vertically disposed between the fixing plate (22) and the connecting plate (23) ( 24), the telescopic handle (24) is movable to adjust the spacing between the fixing plate (22) and the connecting plate (23), and the bottom of the connecting plate (23) is fixedly provided with the matching portion ;

The housing (31) of the locking electric batch (3) is vertically inserted into the fixing plate (22), and the bit (32) of the locking electric batch (3) vertically passes through the connecting plate (23), and the activity downward activity extends from the mating portion;

The detachable screw nozzle (1) is disposed at a bottom of the connecting plate (23), and the bit (32) of the locking electric batch (3) is movably inserted into the detachable screw nozzle ( 1) in the locking portion.
The automatic locking screw machine according to claim 12, wherein the telescopic handle (24) has two, and the two telescopic handles (24) are vertically spaced apart from the fixing plate (22). Each of the two ends of the telescopic handle (24) has a handle body (241), and a bottom of the handle body (241) is provided with a telescopic rod (242), and the handle body (241) is fixedly inserted The fixing plate (22), the free end of the telescopic rod (242) abuts against the upper surface of the connecting plate (23); the locking electric batch (3) is disposed on the two telescopic handles ( The intermediate connection position of 24), the housing (31) of the locking electric batch (3) is fixedly inserted in the fixing plate (22), and the bit (32) passes through the a connecting plate (23); when the distance between the fixing plate (22) and the connecting plate (23) is adjusted by the expansion and contraction of the telescopic rod (242), the bit (32) is telescopically movable In the mating portion of the connecting plate (23), and inserted into the detachable screw nozzle (1).
The automatic locking screw machine according to claim 13, characterized in that the connecting plate (23) is provided with two blind holes (231), and the upper surface of the connecting plate (23) is located in the blind hole ( The outer periphery of the 231) is provided with a gasket (232); the free ends of the telescopic rods (242) of the two telescopic handles (24) are respectively inserted into the blind holes (231), and the telescopic rods (242) The upper sleeve is provided with a spring (25) that provides an elastic restoring force to the telescopic rod (242).
The automatic locking screw machine according to claim 13, further comprising a feeding device, wherein one of said telescopic handles (24) is provided with a feeding switch (243) for controlling said feeding device, and the other said telescopic An electric batch rotary switch (244) that controls the rotation of the bit (32) is disposed on the handle (24).