KR20090022621A

KR20090022621A - Internal screw member and assembling device for internal screw member and manufacture method thereof

Info

Publication number: KR20090022621A
Application number: KR1020070088148A
Authority: KR
Inventors: 윤국선
Original assignee: 윤국선
Priority date: 2007-08-31
Filing date: 2007-08-31
Publication date: 2009-03-04

Abstract

Disclosed are a female screw member and a female screw member assembling apparatus and a manufacturing method using the same. The disclosed female screw member includes: an female screw member in which an insert screw portion is inserted into a coupling groove of a screw fixing body, wherein an internal thread portion is formed on an inner circumferential surface of the insert screw portion to engage with a male screw, and the insert corresponding to the inner screw portion; A thread is formed on an outer circumferential surface of the screw part, and an outer screw part which is fastened to the screw fixing member and a locking groove part recessed in the direction of the inner screw part are fixed to the inner screw part so that the insert screw part is fixed after insertion.

Description

Internal screw member and assembling device for internal screw member and manufacture method

The present invention relates to a female screw member and a female screw member assembling apparatus and a manufacturing method using the same, and more particularly, a female screw member and a female screw member assembling apparatus for inserting and inserting an insert screw portion into a screw fixing body to be made more quickly and easily. It relates to a manufacturing method using the same.

In general, injection molding is a molding process of plastics, and mainly molding of thermoplastic resin is possible, but molding of bakelite-based thermosetting resin is also possible.

Such injection molding is performed by adding a pigment, stabilizer, plasticizer, filler, etc. to a plastic such as a thermosetting resin, and heating the compound made into a chip shape to a predetermined temperature to make it molten, and molding it in a mold.

Such plastic injection moldings are widely used not only as the main body of various devices such as electronic devices, but also as housings of various parts, and various parts are assembled and used therein.

The assembly to be coupled to the injection molding is provided with a through hole for screwing, and after the through hole is in communication with the coupling groove formed in the injection molding body is made of mutual assembly through the screw.

Coupling grooves are formed on the surface of the main body by injection molding for mounting the assembly parts, and female threads are formed on the inner circumferential surface of the coupling grooves by tapping.

At this time, the coupling groove is formed in the boss having a predetermined thickness for operations such as maintaining the clamping force and the tapping with the assembly.

In this way, various assembly parts such as a vibrator assembly are installed in the injection molding body through a coupling groove in which a female thread is formed and a screw in which a male thread is formed.

However, in the case of forming a female thread in the coupling groove of the injection molding and screwing it with a screw made of metal, the female thread wears out during assembly, repair, or replacement, so that sufficient strength or tightening force cannot be guaranteed. There is this.

In addition, the screw may be loosened or tightened by vibration generated in the assembly, and the thread may be deformed or the tightening force may be weakened due to thermal expansion difference due to heat generated in the assembly.

In order to solve this problem, a method of insert molding a nut made of metal on the inner circumferential surface of the injection molding coupling groove has been proposed to simultaneously mold with the injection molding.

However, in the case of insert molding, the worker has to insert a nut, which is a metal material, in the mold, thereby increasing the labor and manufacturing time. Therefore, there is a need for improvement.

The present invention has been created by the necessity as described above, the female screw member and the female screw member assembly that can prevent the female screw thread is worn and the tightening force is lowered by the female screw thread formed inside the coupling groove of the injection molding is fastened with a metal screw It is an object of the present invention to provide an apparatus and a manufacturing method using the same.

In another aspect, the present invention provides a female screw member and female screw member assembling apparatus and a manufacturing method using the same that can prevent the increase in labor and manufacturing time by insert molding to fix the metal nut to the coupling groove of the injection molding Its purpose is to.

The female screw member according to the present invention includes: a female screw member in which an insert screw portion is inserted into a coupling groove of a screw fixing body, wherein an inner thread portion is formed on an inner circumferential surface of the insert screw portion and a male screw is engaged with the inner screw portion; A screw thread is formed on an outer circumferential surface of the insert screw part to include an outer screw part which is fastened to the screw fixing body, and a locking groove part recessed in a direction of the inner screw part so that the insert screw part is fixed after insertion. .

Preferably, the engaging groove is formed on one side and the other side is configured to include a hook member bent toward the inner screw portion.

And, the inlet of the coupling groove is formed with an inclined guide for guiding the insertion of the insert screw portion.

The upper diameter of the inclined guide portion is larger than the outer diameter of the insert screw portion, and the diameter of the coupling groove is smaller than the outer diameter of the insert screw portion.

The insert screw portion is formed by winding a coil in a cylindrical shape, and the coil has a rectangular cross section, so that the inner screw portion is formed inside the coil, and the outer screw portion is formed outside the coil. .

Female screw member assembling apparatus according to the present invention is a female screw member assembly device for fixing the insert screw portion in the coupling groove of the screw fixing body, the inner thread portion is formed on the inner circumferential surface of the insert screw portion is fastened to the male screw, and the inner A thread formed on the outer circumferential surface of the insert screw portion corresponding to the screw portion, the outer screw portion being fastened to the screw fixing body, and a locking groove portion in which the outer screw portion is bent inward so that the insert screw portion is fixed after insertion; A groove portion is formed at one side, and the other side has a hook member bent toward the inner side of the inner screw portion, and a hook groove for inserting one side of the hook member is formed at one end to rotate the insert screw portion to insert into the coupling groove. It is configured to include.

Preferably, the rotation mounting portion, has a diameter smaller than the inner diameter of the insert screw portion, and the protruding member formed at one end of the hook groove, the engaging member bent in contact with the periphery of the coupling groove is bent at one end of the protruding member and the Protruding from the locking member is configured to include a handle member that is held by the user.

The protruding length of the protruding member is equal to the mounting depth of the insert screw portion.

And, the inlet of the coupling groove is formed with an inclined guide for guiding the insertion of the female screw member.

And, the upper diameter of the inclined guide portion is larger than the outer diameter of the insert screw portion, the diameter of the coupling groove is characterized in that it is formed smaller than the outer diameter of the insert screw portion.

Female screw member assembling apparatus according to the present invention is a female screw member assembly device for fixing the insert screw portion in the coupling groove of the screw fixing body, the inner thread portion is formed on the inner circumferential surface of the insert screw portion is fastened to the male screw, and the inner A thread formed on the outer circumferential surface of the insert screw portion corresponding to the screw portion, the outer screw portion being fastened to the screw fixing body, and a locking groove portion in which the outer screw portion is bent inward so that the insert screw portion is fixed after insertion; It is configured to include a pressure mounting portion having a discharge port having a diameter smaller than the diameter of the coupling groove so that the insert screw portion having a groove portion is pressed into the coupling groove to be mounted.

Preferably, the pressure mounting portion, the outlet is provided with a body member provided on the lower side, and the inclined surface having a gradually smaller diameter toward the outlet comprises an inclined portion formed on the inside of the body member.

The pressure mounting part includes a pressure driving part for pushing the insert screw part in the body member to the discharge port.

The pressure driving part includes a driving cylinder reciprocating and a pressure rod which is operated by being connected to the driving cylinder and pushes the insert screw part into the coupling groove.

And, it further comprises a supply drive unit for automatically supplying the insert screw through the inlet formed on the upper side of the pressure mounting portion.

The supply drive unit may include a supply cylinder reciprocated and a supply rod configured to be connected to the supply cylinder and to push the insert screw unit into the inlet.

The manufacturing method using the female screw member assembly apparatus according to the present invention includes: an assembly step of inserting the insert member of the hook member into the hook groove of the rotary mounting unit, and coupling the insert screw unit to the rotary mounting unit, wherein the insert screw unit is the inclined guide unit. A moving step of moving the rotary mounting part to be in contact with the rotating part, and a rotating step of rotating the handle member of the rotary mounting part so that the outer thread part of the insert screw part is dug into the periphery of the coupling groove of the screw fixing member and the insert screw part is engaged. When the contact with the bottom of the engaging groove is characterized in that it comprises a removing step of breaking the engaging groove portion adjacent to the hook member is separated from the insert screw portion.

Preferably, after the coupling step, a part of the screw fixing body is inserted into the locking groove part of the insert screw part to further include a fixing step of fixing the insert screw part to the screw fixing body.

The manufacturing method using the female screw member assembling apparatus according to the present invention comprises: a supplying step of sequentially supplying the insert screw portion to the inside of the body member of the pressure mounting portion, and the insert screw portion is moved along an inclined portion having a diameter that gradually decreases, A compression step in which the side surface of the insert screw portion is pressed to have a diameter smaller than a coupling groove diameter, an input step of inserting the insert screw portion having a diameter smaller than the diameter of the coupling groove into the coupling groove through an outlet of the pressure mounting portion; And a coupling step in which the insert screw portion inserted into the coupling groove returns to its original shape, and the outer screw portion of the insert screw portion penetrates around the coupling groove of the screw fixing body to be engaged.

Preferably, after the coupling step, a part of the screw fixing body is inserted into the locking groove part of the insert screw part, and thus the fixing part of the insert screw part is fixed to the screw fixing body.

Female screw member according to the invention is a manufacturing method using the female screw member assembly apparatus according to the present invention is produced by any one of the methods.

As described above, the female screw member and the female screw member assembling apparatus and a manufacturing method using the same according to the present invention, after forming a coupling groove in the injection molding, unlike the prior invention after inserting the metal insert screw portion directly into the coupling groove without additional work By combining, it is possible to prevent wear of the female thread and to increase the number of working hours and working time.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the female screw member and female screw member assembly apparatus and a manufacturing method using the same according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

1 is a side cross-sectional view showing a state in which a female screw member is separated into an insert screw portion and a screw fixing body according to an embodiment of the present invention, and FIG. 2 is a state in which the insert screw portion and the screw fixing body shown in FIG. Figure 3 is a side cross-sectional view, Figure 3 is an enlarged perspective view of the insert screw portion shown in Figure 1, Figure 4 is a view showing the insert screw portion shown in Figure 3 in the "A" direction, Figure 5 is the present invention Side cross-sectional view showing a state before assembly of the female screw member assembly apparatus according to an embodiment of the present invention, Figure 6 is a side cross-sectional view showing a state after the assembly operation of the female screw member assembly apparatus shown in Figure 5, Figure 7 5 is an enlarged perspective view of the rotating mount shown in FIG.

Female screw member 1 according to the present invention is composed of the insert screw portion 20 formed of a metal material is inserted into the coupling groove 12 of the screw fixing body 10 formed of an injection molding.

The insert screw portion 20 forms a cylindrical shape as the coil 22 is wound along the circumference.

The coil 22 has a quadrangular cross section so that an inner thread part 24 is formed inside the coil, and an outer thread part 26 is formed outside the coil 22.

It is preferable that the cross section of the coil 22 is formed in a parallelogram shape, but in addition, various shapes may be a cross-sectional shape of the coil 22.

The insert screw portion 20 has a screw thread formed on an inner circumferential surface of the inner screw portion 24 to which the male screw is coupled, and a screw thread is formed on an outer circumferential surface of the insert screw portion 20 corresponding to the inner screw portion 24. The locking groove portion 29 in which a part of the outer screw portion 26 is recessed in the direction of the inner screw portion 24 so that the outer or screw portion 26 and the insert screw portion 20 to be fastened to the stagnation 10 is fixed after insertion. It is configured to include.

And, the lower side of the insert screw portion 20 is the engaging groove 29 is formed on one side, the other side is formed with a hook member 28 bent toward the inner side of the inner screw portion 24 is further formed.

The hook member 28 is rotated by being caught by the protruding member 46 of the rotating mounting portion 40 is provided with a hook groove 48 for the hook member 28 is inserted, the insert screw portion 20 is After the coupling groove 12 is completed, the engaging groove portion 29 adjacent to the hook member 28 is broken, thereby being separated from the insert screw portion 20.

To this end, the hook member 28 is bent toward the center of the insert screw portion 20, when the insert screw portion 20 is no longer rotated to engage the inside of the coupling groove 12, the hook The engaging groove 29 adjacent to the member 28 is broken.

The locking groove 29 is formed along the outer screw portion 26, and may be spaced apart at a predetermined angle, and the locking groove 29 is formed at various positions along the outer screw portion 26 as necessary. In one embodiment of the present invention, the locking groove 29 is formed at an angle of 90 degrees to each other, but is not limited thereto.

In addition, the insert screw portion 20 may be formed with an inner screw portion 24 and an outer screw portion 26 on the inner and outer sides of the pipe member, but in one embodiment of the present invention, the coil 22 is wound in a cylindrical shape to form a coil. The outer screw portion 26 and the inner screw portion 24 are formed on the outer side and the inner side of the 22, respectively.

An inclined guide portion 14 for guiding the insertion of the insert screw portion 20 is formed at the inlet of the coupling groove 12 of the screw fixing body 10 into which the insert screw portion 20 is inserted.

The upper diameter of the inclined guide portion 14 is larger than the outer diameter of the insert screw portion 20, the diameter of the coupling groove 12 is formed smaller than the outer diameter of the insert screw portion (20).

That is, assuming that the outer diameter of the insert screw portion 20 is 10, the diameter of the coupling groove 12 and the bottom diameter of the inclined guide portion 14 is 8, the upper side of the inclined guide portion 14 Increasingly, the diameter increases more than 10.

The insert screw portion 20 is inserted into the lower coupling groove 12 in contact with the inclined guide portion 14 by the diameter of the coupling groove 12 and the inclined guide portion 14 as described above.

And, when the outer diameter of the insert screw portion 20 is larger than the diameter of the coupling groove 12 of the screw fixing body 10, when the insert screw portion 20 is coupled to the coupling groove 12 while rotating, The outer screw portion 26 is made by engaging the inner peripheral surface of the coupling groove 12 made of plastic to form a screw thread.

The insert screw portion 20 is rotated in the inclined guide portion 14 due to the winding of the coil 22, and the coil 22 is sequentially compressed when the inner portion of the coupling groove 12 is dug. The outer threaded portion 26 formed on the outer side of the coil 22 penetrates the side contact with the coupling groove 12.

In addition, the shape of the coil 22 has a firing shape or a parallelogram shape, so that the insert screw part 20 is assembled to the coupling groove 12 of the screw fixing body 10 after the insert is completed. When the threaded portion 20 is pulled outward, the angular shape of the coil 22 is caught by the screw fixing body 10, thereby minimizing the dropping of the insert screw portion 20.

Female screw member assembly apparatus according to an embodiment of the present invention includes a configuration of the rotation mounting portion 40 in addition to the configuration of the insert screw portion 20 and the screw fixing body (10).

The rotation mounting portion 40 has a diameter smaller than the inner diameter of the insert screw portion 20, and a protruding member 46 having one end of a hook groove 48 for inserting one side of the hook member 28 into; The locking member 44 is bent stepwise at one end of the protruding member 46 and caught in contact with the periphery of the coupling groove 12 and a handle member 42 protruding from the locking member 44 to be gripped by the user. It is configured by.

When the handle member 42 is rotated while the hook member 28 is inserted into the hook groove 48 of the rotation mounting portion 40, the insert screw portion 20 is rotated so that the inside of the coupling groove 12 is rotated. By digging into the side to form a female thread, mutual defects with the outer thread portion 26 of the insert screw portion 20 are made.

The protruding length of the protruding member 46 is the same as or similar to the mounting depth of the insert screw portion 20, so that the hook member 20 contacts the bottom of the coupling groove 12 after the insert screw portion 20 contacts the bottom of the coupling groove 12. (28) is to be separated from the insert screw portion (20).

In the manufacturing method using the female screw member assembly device according to an embodiment of the present invention, the hook member 28 of the insert screw portion 20 is fitted into the hook groove 48 of the rotary mounting portion 40 to the rotary mounting portion 40 It will have an assembly step in which the insert screw portion 20 is coupled to.

Then, the insert screw 20 has a moving step of moving the rotary mounting portion 40 to be in contact with the inclined guide portion (14).

Then, by rotating the handle member 42 of the rotary mounting portion 40 is coupled to the outer thread portion 26 of the insert screw portion 20 to dig around the coupling groove 12 of the screw fixing body 10 You have a step.

The insert screw portion 20 is made of a metal material, the inner surface facing the coupling groove 12 of the screw fixing body 10 has a lower hardness than the insert screw portion 20 due to the injection molded material.

Therefore, when the insert screw portion 20 is forcibly rotated, the outer screw portion 26 is engaged while digging into a surface in contact with the coupling groove 12.

Then, when the insert screw portion 20 is in contact with the bottom of the coupling groove 12, the engaging groove portion 29 adjacent to the hook member 28 is broken so that the hook member 28 is in the insert screw portion 20 There will be a separate removal step.

After the coupling step, a part of the screw fixing body 10 is inserted into the locking groove part 29 of the insert screw part 20 to fix the insert screw part 20 to the screw fixing body 10. Will have

That is, after the insert screw portion 20 is rotated in the coupling groove 12 and the coupling is completed, the screw fixing member 10 pressed by the outer screw portion 26 has the insert screw portion 20 by its elasticity. Press the outside of the), among which the screw fixing body 10 in contact with the locking groove 29 is pushed into the locking groove 29 to form a projection shape is mutually coupled.

Therefore, the insert screw portion 20 is prevented from rotating after the coupling to the coupling groove 12 is completed.

Hereinafter, a female screw member assembly according to another preferred embodiment of the present invention with reference to the drawings will be described.

For convenience of description, the same reference numerals are used to designate elements having the same construction and operation as the above embodiment, and a detailed description thereof will be omitted.

8 is a side cross-sectional view showing a pre-assembly state of the female screw member assembly apparatus according to another preferred embodiment of the present invention, Figure 9 is a side cross-sectional view showing a state after the assembly operation of the female screw member assembly apparatus shown in FIG. FIG. 10 is a view illustrating a state in which a pressure driving unit and a supply driving unit are additionally installed in the pressure mounting unit shown in FIG. 8, and FIG. 11 is a pressure mounting unit and a pressure driving unit shown in FIG. It is a figure which shows the mounted state.

Female screw member assembly apparatus according to another embodiment of the present invention, in the female screw member assembly device for fixing the insert screw portion 20 to the coupling groove 12 of the screw fixing body 10, the inner peripheral surface of the insert screw portion 20 A screw thread is formed in the inner screw portion 24 to be fastened to the male screw, and a thread is formed on the outer circumferential surface of the insert screw portion 20 corresponding to the inner screw portion 24 to be fastened to the screw fixing body 10. The insert screw part including an outer thread part 26 and a locking groove part 29 in which a part of the outer thread part 26 is bent inward so that the insert screw part 20 is fixed after insertion. It is configured to include a pressure mounting portion 50 having a discharge port 52 of a diameter smaller than the diameter of the coupling groove 12 to press the 20 to be inserted into the coupling groove 12 to be mounted.

Preferably, the pressure mounting portion 50, the body member 54 is provided with the discharge port 52 on the lower side, the inclined surface having a gradually smaller diameter toward the discharge port 52 inside the body member 54 It is configured to include an inclined portion 58 formed in.

In addition, the upper diameter of the inclined guide portion 14 is larger than the outer diameter of the insert screw portion 20, the diameter of the coupling groove 12 is formed smaller than the outer diameter of the insert screw portion (20).

That is, the inclined portion 58 formed through the inner side of the pressure mounting portion 50 has a diameter that gradually decreases from the upper hole having a diameter greater than or equal to the outer diameter of the insert screw portion 20 to the lower outlet 52. The diameter of the outlet 52 is formed smaller than the outer diameter of the insert screw portion 20 and the diameter of the coupling groove 12.

Accordingly, a plurality of insert screw portions 20 are successively mounted along the inclined portion 58, and the insert screw portion 20 moves downward along the inclined portion 58, through the outlet 52. Inserted into the groove 12 is mounted to the coupling groove 12 while unfolding outward by the self restoring force.

In the method of pushing the insert screw portion 20 toward the coupling groove 12, various methods such as a method of pushing the insert screw part directly by a tool, a shot by using high pressure air, or a method of pushing the insert screw part 20 by the pressure driving part 60 are provided. Could be used.

The pressure mounting portion 50 is configured to include a pressure driving unit 60 for pushing the insert screw portion 20 in the body member 54 to the discharge port 52.

The pressure driving unit 60 is connected to the driving cylinder 62 and the driving cylinder 62 to reciprocate to operate the pressure rod 64 to push the insert screw portion 20 to the coupling groove 12, The pressure rod 64 is configured to include a pressure bracket 66 mounted on one end.

On the other hand, the injection hole 56 for inserting the insert screw portion 20 is inserted into the upper portion on the upper side of the body member 54, the supply rod 74 and the supply bracket (by the supply cylinder 72 reciprocating operation) 76 also by the left and right reciprocating operation to push the insert screw portion 20 into the inlet 56 to supply.

The supply cylinder 72, the supply rod 74, and the supply bracket 76 constitute the supply drive unit 70.

The manufacturing method using the female screw member assembly apparatus according to another embodiment of the present invention has a supply step of sequentially supplying the insert screw portion 20 into the body member 54 of the pressure mounting portion 50.

The insert screw portion 20 may be pushed downward by directly inserting by the operator by hand, and then pressurizing the insert portion 20 after inserting the insert screw portion 20 into the body member 54 by a supply driving portion 70. The insert screw portion 20 is pushed downward to move by inserting the insert screw portion 20 injected by the operation of (60).

Then, the insert screw portion 20 is moved along the inclined portion 58 having a diameter gradually smaller and the side of the insert screw portion 20 to have a diameter smaller than the diameter of the coupling groove 12 of the screw fixing body 10 This pressurization has a compression step.

Insert screw portion 20 is moved downward along the inclined surface having a gradually smaller diameter is compressed from the outer side to the inner side toward the lower side, it is compressed to have a diameter smaller than the diameter of the coupling groove (12).

The insert screw portion 20 has a deformation in which the coil 22 is wound to form a cylindrical shape. When the side surface of the insert screw portion 20 is pressed, the insert screw portion 20 extends in the vertical direction.

In addition, the insert screw portion 20 having a diameter smaller than the diameter of the coupling groove 12 is introduced into the coupling groove 12 through the outlet 52 of the pressure mounting portion 50.

The insert screw portion 20 may be moved downward by various methods, and as shown in FIGS. 10 and 11, the driving cylinder 62 is operated to move the pressure rod 64 downward to pressurize it. When the bracket 66 presses the insert screw portion 20 downward, the insert screw portions 20 stacked up and down are pushed downward in order, and the insert screw portion 20 located at the bottom is the outlet 52. It is introduced into the coupling groove 12 through).

Then, while the insert screw portion 20 introduced into the coupling groove 12 returns to its original shape, the outer screw portion 26 of the insert screw portion 20 digging around the coupling groove 12 of the screw fixing body 10. It has a joining step in which the joining takes place.

That is, the insert screw portion 20 inserted into the coupling groove 12 is dug the inner surface facing the coupling groove 12 by the outer screw portion 26 by the force to be restored to its original shape due to the release of side pressure. For example, the insert screw portion 20 is mounted to the coupling groove 12 of the screw fixing body 10.

After the coupling step, a part of the screw fixing body 10 is inserted into the locking groove part 29 of the insert screw part 20 to fix the insert screw part 20 to the screw fixing body 10. It will include more.

At this time, a part of the screw fixing body 10 is inserted into the locking groove 29 so that the insert screw portion 20 is more secured.

On the other hand, the female screw member 1 according to the present invention is a manufacturing method using the female screw member assembly apparatus according to the present invention is produced by any one of the methods.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. Will understand.

Therefore, the true technical protection scope of the present invention will be defined by the claims.

1 is a side cross-sectional view showing a state in which a female screw member is separated into an insert screw portion and a screw fixing body according to an exemplary embodiment of the present invention.

Figure 2 is a side cross-sectional view showing a state in which the insert screw portion and the screw fixing body shown in FIG.

3 is an enlarged perspective view of the insert screw illustrated in FIG. 1.

FIG. 4 is a view showing the insert screw shown in FIG. 3 in the "A" direction.

Figure 5 is a side cross-sectional view showing a state before assembly of the female screw member assembly apparatus according to an embodiment of the present invention.

Figure 6 is a side cross-sectional view showing a state after the assembling operation of the female screw member assembly shown in FIG.

FIG. 7 is an enlarged perspective view of the rotary mounting unit illustrated in FIG. 5.

Figure 8 is a side cross-sectional view showing a state before assembly of the female screw member assembly apparatus according to another embodiment of the present invention.

9 is a side cross-sectional view showing a state after the assembling operation of the female screw member assembly shown in FIG.

FIG. 10 is a view illustrating a state in which a pressure driving unit and a supply driving unit are additionally installed in the pressure mounting unit shown in FIG. 8.

FIG. 11 is a view illustrating a state in which an insert screw part is supplied and mounted to a coupling groove by operating the pressure mounting part and the pressure driving part shown in FIG. 10.

1: female thread member 10: screw fixing member

12: coupling groove 14: inclined guide

20: insert screw part 22: coil

24: inner thread part 26: outer thread part

28: hook member 29: locking groove

40: rotation mounting portion 42: handle member

44: locking member 46: protruding member

48: hanger groove 50: pressure mounting portion

52 outlet 54 54 body member

56: inlet 58: inclined portion

60: pressure driving unit 62: driving cylinder

64: pressure rod 66: pressure bracket

70: supply drive section 72: supply cylinder

74: supply rod 76: supply bracket

Claims

In the female screw member in which the insert screw portion is inserted into the coupling groove of the screw fixing body,

An inner thread portion formed with a screw thread on an inner circumferential surface of the insert screw portion to be engaged with a male screw;

An outer thread portion formed with a screw thread on an outer circumferential surface of the insert screw portion corresponding to the inner thread portion and fastened to the screw fixing body; And

Part of the outer screw portion recessed groove portion formed in the direction of the inner screw portion so that the insert screw portion is fixed after insertion

Female screw member, characterized in that configured to include.

The method of claim 1,

The hooking groove is formed on one side and the other side is a hook member formed bent toward the inner screw portion

Female screw member, characterized in that further comprises.

The method of claim 1,

Female thread member, characterized in that the inclined inner portion for guiding the insertion of the insert screw portion is formed at the inlet of the coupling groove.

The method of claim 3, wherein

The upper diameter of the inclined guide portion is larger than the outer diameter of the insert screw portion, the diameter of the coupling groove is female screw member, characterized in that formed smaller than the outer diameter of the insert screw portion.

The method of claim 1,

The insert screw portion is formed by winding a coil in a cylindrical shape, and the coil has a quadrangular cross section so that the inner screw portion is formed inside the coil, and the outer screw portion is formed outside the coil. Female thread member.

In the female screw member assembly device for fixing the insert screw portion in the coupling groove of the screw fixing body,

An outer thread portion formed with a screw thread on an outer circumferential surface of the insert screw portion corresponding to the inner thread portion and fastened to the screw fixing body;

A catching groove portion in which a part of the outer screw portion is bent inward so that the insert screw portion is fixed after insertion;

The hook groove is formed on one side and the other side is a hook member bent toward the inner screw portion; And

Rotating mounting portion formed at one end of the hook groove for inserting one side of the hook member to rotate the insert screw portion to be inserted into the coupling groove

Female screw member assembly apparatus characterized in that comprises a.

The method of claim 6,

The rotating mounting portion has a diameter smaller than the inner diameter of the insert screw portion, the protruding member formed at one end of the hook groove;

A catching member that is bent at one end of the protruding member and caught in contact with the periphery of the coupling groove; And

A handle member protruding from the locking member to be gripped by the user

Female screw member assembly apparatus characterized in that comprises a.

The method of claim 7, wherein

And a protruding length of the protruding member is equal to a mounting depth of the insert screw portion.

Pressure mounting portion having a discharge port having a diameter smaller than the diameter of the coupling groove so that the insert screw portion having the locking groove portion is pressed into the coupling groove to be mounted

Female screw member assembly apparatus characterized in that comprises a.

The method of claim 9,

The pressure mounting portion, the body member is provided with the discharge port on the lower side,

An inclined portion having an inclined surface having a gradually smaller diameter toward the discharge port is formed inside the body member.

Female screw member assembly apparatus characterized in that comprises a.

The method of claim 10,

The pressure mounting portion is a pressure driving portion for pushing the insert screw portion in the body member to the outlet

Female screw member assembly apparatus characterized in that it further comprises.

The method of claim 11, wherein

And the pressurizing drive part includes a pressurizing rod for pushing the insert screw part into the coupling groove by being operated by being connected to the driving cylinder and the driving cylinder which reciprocate.

The method according to claim 11 or 12,

Supply drive unit for automatically supplying the insert screw portion through the inlet formed on the upper side of the pressure mounting portion

The method of claim 13,

And the supply driving part is connected to the supply cylinder reciprocatingly operated and the supply cylinder, and a supply rod for pushing the insert screw part into the inlet.

The method according to claim 6 or 9,

The inlet of the coupling groove female screw member assembly apparatus characterized in that the inclined guide portion for guiding the insertion of the female screw member is formed.

The method of claim 15,

The upper diameter of the inclined guide portion is larger than the outer diameter of the insert screw portion, the diameter of the coupling groove is female screw member assembly device, characterized in that formed smaller than the outer diameter of the insert screw portion.

The method according to claim 6 or 9,

The insert screw portion is formed by winding a coil in a cylindrical shape, and the coil has a quadrangular cross section so that the inner screw portion is formed inside the coil, and the outer screw portion is formed outside the coil. Female screw member assembly apparatus.

An assembly step in which the hook member of the insert screw part is fitted into the hook groove of the rotation mounting part such that the insert screw part is coupled to the rotation mounting part;

A moving step of moving the rotation mounting part such that the insert screw part contacts the inclined guide part;

A coupling step in which the outer mounting portion of the insert screw portion is formed by digging around the coupling groove of the screw fixing body by rotating the handle member of the rotation mounting portion; And

When the insert screw portion is in contact with the bottom of the coupling groove, the engaging groove portion adjacent to the hook member is broken to remove the hook member from the insert screw portion

Manufacturing method using a female screw member assembly apparatus comprising a.

A supply step of sequentially supplying an insert screw part to the inside of the body member of the pressure mounting part;

A compression step in which the insert screw portion is moved along an inclined portion having a diameter gradually decreasing and the side surface of the insert screw portion is pressed to have a diameter smaller than the diameter of the coupling groove of the screw fixing body;

An inserting step of inserting the insert screw part having a diameter smaller than the diameter of the coupling groove into the coupling groove through an outlet of the pressure mounting part; And

The coupling step is performed by inserting the insert screw portion introduced into the coupling groove into a circular shape while the outer screw portion of the insert screw portion is dug around the coupling groove of the screw fixing body to be engaged.

The method of claim 18 or 19,

After the coupling step, a part of the screw fixing body is inserted into the insert groove part of the insert screw portion to fix the insert screw portion to the screw fixing body

Manufacturing method using a female screw member assembly device characterized in that it further comprises.

Female thread member produced by the method according to claim 18 or 19.