CN109304600B - Mounting tool for self-tapping thread bushing machine - Google Patents
Mounting tool for self-tapping thread bushing machine Download PDFInfo
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- CN109304600B CN109304600B CN201811471687.1A CN201811471687A CN109304600B CN 109304600 B CN109304600 B CN 109304600B CN 201811471687 A CN201811471687 A CN 201811471687A CN 109304600 B CN109304600 B CN 109304600B
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- sleeve
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 80
- 230000005540 biological transmission Effects 0.000 claims abstract description 118
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000005553 drilling Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses an installation tool for a self-tapping thread bushing machine, which comprises a base, a bracket, a product positioning flange and a toothed transmission shaft assembly, wherein the bracket and the product positioning flange are both fixed on the base, one end of the top of the bracket is provided with a through hole, and the toothed transmission shaft assembly passes through the through hole; the thread sleeve embedding tool comprises a ratchet sleeve, a ratchet cover, a first plane bearing, a second plane bearing, a first spring, a first toothed transmission shaft, a fixing nut, an inner end cover, a second spring, a second toothed transmission shaft, a first limit screw and a self-tapping thread sleeve fixing screw, wherein a ratchet tooth shifting mechanism is arranged in a bracket positioned at one side of a through hole, the end part of the ratchet tooth shifting mechanism penetrates into the through hole, and ratchet teeth at the end part of the ratchet tooth shifting mechanism are meshed with ratchet teeth of the ratchet sleeve; the invention can use tapping machine or other tapping equipment to drive so as to achieve the purpose of installing the self-tapping thread bush, replace the existing manual thread bush installing tool and improve the installation efficiency and the installation precision.
Description
Technical Field
The invention relates to the technical field of motor tools, in particular to an installation tool for a self-tapping thread bush machine.
Background
As is well known, in the machine industry, there are many product parts made of aluminum, copper and non-metallic materials, which are usually provided with threaded holes for installation, because these materials are not very hard and strong, and are embedded with threaded sleeves at the positions of the threaded holes to increase the strength of the threaded holes.
The installation tools for the current self-tapping screw sleeve are installed by using manual tools, a better scheme is not available at present for the installation tools for the small self-tapping screw sleeve machine, the manual installation efficiency is low, and the perpendicularity of products with high requirements is difficult to ensure.
Disclosure of Invention
The invention aims to solve the technical problem of providing the mounting tool for the self-tapping thread bushing machine, which aims at overcoming the defects of the prior art, and can be driven by using a tapping machine or other tapping equipment so as to achieve the purpose of mounting the self-tapping thread bushing, replace the existing manual thread bushing mounting tool and improve the mounting efficiency and the mounting precision.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a self-tapping thread bush machine installation frock, includes: the device comprises a base, a bracket, a product positioning flange and a toothed transmission shaft assembly, wherein the bracket and the product positioning flange are both fixed on the base, the bracket is of an inverted L shape, one end of the top of the bracket is provided with a through hole, the toothed transmission shaft assembly penetrates through the through hole, and the toothed transmission shaft assembly can move up and down and rotate freely in the through hole;
the thread sleeve embedding tool comprises a ratchet sleeve, a ratchet cover, a first plane bearing, a second plane bearing, a first spring, a first toothed transmission shaft, a fixing nut, an inner end cover, a second spring, a second toothed transmission shaft, a first limit screw and a self-tapping thread sleeve fixing screw, wherein the first plane bearing is positioned at the bottom of the ratchet sleeve and is in clearance fit with the inner wall of the ratchet sleeve, the bottom of the self-tapping thread sleeve fixing screw sequentially penetrates through a central hole of the first plane bearing and a through hole of the bottom of the ratchet sleeve and the middle upper part of the self-tapping thread sleeve fixing screw is fixedly connected with the second toothed transmission shaft, the bottom of the self-tapping thread sleeve fixing screw is used for being connected with the self-tapping thread sleeve, the second toothed transmission shaft is in clearance fit with the ratchet sleeve, bottom end face teeth of the first toothed transmission shaft extend from the top of the ratchet sleeve and are in fit with top end face teeth of the second toothed transmission shaft, the plane bearing II, the spring II and the inner end cover are sequentially sleeved on the toothed transmission shaft I, the inner end cover is fixedly connected with the inner wall of the ratchet sleeve, the plane bearing II is in clearance fit with the inner wall of the ratchet sleeve, the spring II is positioned between the plane bearing II and the inner end cover, the toothed transmission shaft I can move up and down and rotate freely in a central hole in the middle of the inner end cover, the top of the toothed transmission shaft I sequentially penetrates through the central hole of the ratchet cover and the spring II, ratchet teeth on the lower end surface of the ratchet cover are meshed with ratchet teeth on the upper end surface of the ratchet sleeve, a fixing nut is in threaded connection with the toothed transmission shaft I and is in contact with the top of the spring I, a limit screw I for preventing the toothed transmission shaft component from falling off from a through hole of the bracket is fixed on the outer circumferential surface of the bottom of the ratchet sleeve, a ratchet tooth shifting mechanism is arranged in the bracket positioned on one side of the through hole, the end part of the ratchet wheel gear shifting mechanism penetrates into the through hole, and ratchet teeth of the end part of the ratchet wheel gear shifting mechanism are meshed with ratchet teeth of the outer circumferential surface of the ratchet wheel sleeve.
As a further improved technical scheme of the invention, the product positioning flange is fixed in the middle of the base through the product positioning flange fixing screw, the bottom of the bracket is fixedly connected with the base through the bracket fixing screw, and the bracket is positioned on one side of the product positioning flange.
As a further improved technical scheme of the invention, a fixing hole is formed in the bottom of the second toothed transmission shaft, and the middle upper part of the self-tapping thread bush fixing screw penetrates into and is fastened in the fixing hole of the second toothed transmission shaft.
As a further improved technical scheme of the invention, the first toothed transmission shaft penetrates through the central hole of the second planar bearing, the bottom of the second planar bearing is in contact with the upper wall of the end face teeth at the bottom of the first toothed transmission shaft, the first toothed transmission shaft penetrates through the central hole of the inner end cover, the first toothed transmission shaft can move up and down and rotate freely in the central hole of the inner end cover, the inner end cover is in threaded connection with the inner wall of the ratchet sleeve, and the lower surface of the inner end cover is in contact with the top of the second spring.
As a further improved technical scheme of the invention, the central hole of the ratchet cover is a square hole, a section of square wall matched with the square hole is arranged on the outer wall of the toothed transmission shaft I, an external thread used for locking with a fixing nut is further arranged on the outer wall of the toothed transmission shaft I and positioned above the square wall, the square wall is positioned above the plane bearing II and below the fixing nut, and the square wall of the toothed transmission shaft I is in matched contact with the square hole of the ratchet cover so that the toothed transmission shaft I can drive the ratchet cover to rotate and can move up and down freely in the square hole of the ratchet cover, and the central hole of the inner end cover is circular and the square wall of the toothed transmission shaft I can move up and down and rotate freely in the central hole of the inner end cover.
As a further improved technical scheme of the invention, the ratchet tooth shifting mechanism comprises ratchet tooth shifting, a spring III and a tooth shifting fixing screw, a horizontal tooth shifting hole communicated with the through hole is arranged in a bracket positioned at one side of the through hole, the tooth shifting fixing screw is fixed at one end of the tooth shifting hole, the spring III and the ratchet tooth shifting are both positioned in the tooth shifting hole, one end of the spring III is connected with the tooth shifting fixing screw, the other end of the spring III is connected with the ratchet tooth shifting, and ratchet teeth at the end part of the ratchet tooth shifting extend into the through hole from the tooth shifting hole and are meshed with ratchet teeth on the outer circumferential surface of the ratchet sleeve.
As a further improved technical scheme of the invention, an annular groove is arranged at the lower part of the toothed transmission shaft II, a limiting screw II is fixed on the ratchet sleeve, the end part of the limiting screw II extends into the annular groove of the toothed transmission shaft II, and the height of the annular groove is larger than the diameter of the end part of the limiting screw II.
The beneficial effects of the invention are as follows: the invention can use tapping machine or other tapping equipment to drive so as to achieve the purpose of installing the self-tapping thread bush, replace the existing manual thread bush installing tool and improve the installation efficiency and the installation precision. The first plane bearing and the second plane bearing play a role in reducing friction through smooth movement.
Drawings
FIG. 1 is a cross-sectional view of the present invention.
FIG. 2 is a schematic view of the mating structure of the ratchet sleeve and the ratchet cover of the present invention.
Fig. 3 is a top view of the present invention with the bracket and ratchet cover hidden.
Fig. 4 is a state diagram of the present invention.
Fig. 5 is a bottom view of the base of the present invention.
Detailed Description
The following further describes embodiments of the invention with reference to fig. 1 to 5:
referring to fig. 1, an installation tool for a self-tapping threading machine comprises a base 1, a bracket 6, a product positioning flange 21 and a toothed transmission shaft assembly, wherein the bracket 6 and the product positioning flange 21 are both fixed on the base 1, the bracket 6 is in an inverted-L shape, one end of the top of the bracket is provided with a through hole 26 (as shown in fig. 4), and the toothed transmission shaft assembly penetrates through the through hole 26 and can move up and down and rotate freely in the through hole 26.
The thread bush embedding tool comprises a ratchet bush 7, a ratchet cover 11, a first plane bearing 4, a second plane bearing 5, a first spring 8, a first toothed transmission shaft 9, a fixing nut 10, an inner end cover 12, a second spring 13, a second toothed transmission shaft 17, a first limit screw 18 and a self-tapping thread bush fixing screw 19, wherein the first plane bearing 4 is placed at the bottom of the ratchet bush 7, the first plane bearing 4 is in clearance fit with the inner wall of the ratchet bush 7, the bottom of the self-tapping thread bush fixing screw 19 sequentially penetrates through a central hole of the first plane bearing 4 and a through hole of the bottom of the ratchet bush 7, the middle upper part of the self-tapping thread bush fixing screw 19 is fixedly connected with the second toothed transmission shaft 17, and the bottom of the self-tapping thread bush fixing screw 19 is used for being connected with the self-tapping thread bush 20. The second toothed transmission shaft 17 is in clearance fit with the ratchet sleeve 7, the bottom end face teeth of the first toothed transmission shaft 9 extend into the top of the ratchet sleeve 7 and are connected with the top end face teeth of the second toothed transmission shaft 17 in a matched mode, the second planar bearing 5, the second spring 13 and the inner end cover 12 are sequentially sleeved on the first toothed transmission shaft 9, the inner end cover 12 is fixedly connected with the inner wall of the ratchet sleeve 7, the second planar bearing 5 is in clearance fit with the inner wall of the ratchet sleeve 7, the second spring 13 is positioned between the second planar bearing 5 and the inner end cover 12, the first toothed transmission shaft 9 can move up and down and rotate freely in a central hole in the middle of the inner end cover 12, the top of the first toothed transmission shaft 9 sequentially penetrates through a central hole of the ratchet cover 11 and the second spring 13, ratchet teeth on the lower end face of the ratchet cover 11 are meshed with ratchet teeth on the upper end face of the ratchet sleeve 7, the meshing mode is as shown in fig. 2, the fixing nut 10 is in threaded connection with the first toothed transmission shaft 9, and the fixing nut 10 is in contact with the top of the first spring 8. The outer circumferential surface of the bottom of the ratchet sleeve 7 is fixedly provided with a first limit screw 18 for preventing the toothed transmission shaft assembly from falling from the through hole 26 of the bracket 6, a ratchet tooth shifting mechanism is arranged in the bracket 6 positioned at one side of the through hole 26, the end part of the ratchet tooth shifting mechanism penetrates into the through hole 26, and ratchet teeth at the end part of the ratchet tooth shifting mechanism are meshed with ratchet teeth of the outer circumferential surface of the ratchet sleeve 7. The ratchet sleeve 7 passes through the through hole 26, and the ratchet sleeve 7 can move up and down and rotate freely in the through hole 26. The bottom of the ratchet sleeve 7 is conical.
In this embodiment, referring to fig. 1, the product positioning flange 21 is fixed to the middle of the base 1 by a product positioning flange fixing screw 2. Referring to fig. 5, the bottom of the bracket 6 is fixedly connected with the base 1 by a bracket fixing screw 22, and the bracket 6 is located at one side of the product positioning flange 21.
In this embodiment, referring to fig. 1, a fixing hole is formed at the bottom of the second toothed transmission shaft 17, and the middle upper portion of the self-tapping screw 19 penetrates into and is fastened in the fixing hole of the second toothed transmission shaft 17.
In this embodiment, referring to fig. 1, the first toothed transmission shaft 9 passes through the central hole of the second planar bearing 5, the bottom of the second planar bearing 5 is in contact with the upper wall (the upper wall is a horizontal plane) of the end face teeth at the bottom of the first toothed transmission shaft 9, the first toothed transmission shaft 9 passes through the central hole of the inner end cover 12, the first toothed transmission shaft 9 can move up and down and rotate freely in the central hole of the inner end cover 12, the inner end cover 12 is in threaded connection with the inner wall of the ratchet sleeve 7, and the lower surface of the inner end cover 12 is in contact with the top of the second spring 13.
In this embodiment, the central hole of the ratchet cover 11 is a square hole, referring to fig. 1, a section of square wall 23 matching with the square hole is provided on the outer wall of the toothed transmission shaft one 9, an external thread 24 for locking with the fixing nut 10 is further provided on the outer wall of the toothed transmission shaft one 9, the external thread 24 is located above the square wall 23, the square wall 23 is located above the plane bearing two 5 and below the fixing nut 10, and the square wall 23 of the toothed transmission shaft one 9 is in contact with the square hole of the ratchet cover 11 in a matching manner, so that the toothed transmission shaft one 9 can drive the ratchet cover 11 to rotate and can freely move up and down in the square hole of the ratchet cover 11, the central hole of the inner end cover 12 is circular, and the square wall 23 of the toothed transmission shaft one 9 can freely move up and down and freely rotate in the central hole of the inner end cover 12.
In this embodiment, referring to fig. 1 and 3, the ratchet tooth shifting mechanism includes a ratchet tooth 14, a third spring 15 and a tooth shifting set screw 16, a horizontal tooth shifting hole communicated with the through hole 26 is provided in the bracket 6 located at one side of the through hole 26, the tooth shifting set screw 16 is fixed at one end of the tooth shifting hole, the third spring 15 and the ratchet tooth 14 are both located in the tooth shifting hole, one end of the third spring 15 is connected with the tooth shifting set screw 16, the other end is connected with the ratchet tooth 14, and ratchet teeth at the end of the ratchet tooth 14 extend into the through hole 26 from the tooth shifting hole and are meshed with ratchet teeth on the outer circumferential surface of the ratchet sleeve 7.
In this embodiment, referring to fig. 1, an annular groove 25 is provided at the lower part of the second toothed transmission shaft 17, a second limit screw is fixed on the ratchet sleeve 7, the end of the second limit screw extends into the annular groove 25 of the second toothed transmission shaft 17, and the height of the annular groove 25 is greater than the diameter of the end of the second limit screw. When not in use, the end of the second limit screw is in contact with the upper wall of the annular groove 25.
In this embodiment, the installation tool for the self-tapping thread bushing machine needs to be driven by a tapping machine or other tapping equipment, and the product 3 is a product to be installed with the self-tapping thread bushing. The product 3 is made of aluminum, copper, nylon and the like, and is provided with a threaded sleeve.
The assembling process of the mounting tool for the self-tapping thread bushing machine is as follows: after the bracket 6 is arranged on the base 1 and fixed by the bracket fixing screw 22, the product positioning flange 21 is arranged, the product positioning flange fixing screw 2 is used for fixing, the main framework of the tool is formed, the self-tapping thread sleeve fixing screw 19 is arranged on the toothed transmission shaft II 17 and fastened by the screw and can integrally drive, the plane bearing I4 is arranged in the ratchet sleeve 7 to play a role in assisting the smooth rotation of the toothed transmission shaft II 17, the toothed transmission shaft II 17 is arranged in the ratchet sleeve 7, the toothed transmission shaft I9 is arranged in the ratchet sleeve 7 to play a role in driving by matching with the end face teeth of the toothed transmission shaft II 17, the plane bearing II 5, the spring II 13 and the inner end cover 12 are arranged in the ratchet sleeve 7, the toothed transmission shaft I9 can move up and down in the ratchet sleeve 7 in a clutching manner, when the main shaft head of the drilling machine is lifted, the first internal toothed transmission shaft 9 and the second toothed transmission shaft 17 are separated at the meshing position, so that the second toothed transmission shaft 17 stops rotating, the safety of an operator during installation of the self-tapping thread bush is protected, the ratchet cover 11, the first spring 8 and the fixing nut 10 are installed on the first toothed transmission shaft 9, ratchet teeth on the lower end face of the ratchet cover 11 are meshed with ratchet teeth on the upper end face of the ratchet bush 7, the ratchet cover 11 can be driven to rotate clockwise when the ratchet cover 11 rotates clockwise, the ratchet cover 7 can be driven to rotate clockwise when the ratchet cover is anticlockwise, the ratchet cover 11 can only be driven to rotate anticlockwise by the ratchet characteristic, and the ratchet cover 7 can not be used for rotationally pressing the thread bush 20 to be carried out by the tool when the tool is reversed.
The assembled toothed transmission shaft assembly is then mounted on the support 6 so that the toothed transmission shaft assembly can move up and down and rotate in the through hole 26 of the support 6, the first limit screw 18 is mounted on the ratchet sleeve 7 to prevent the ratchet sleeve 7 from falling off from the through hole 26 of the support 6 when the ratchet sleeve 7 is used, the second limit screw is mounted on the ratchet sleeve 7, the screw rod of the second limit screw penetrates into the annular groove 25 of the toothed transmission shaft II 17, the second head of the limit screw is embedded in the ratchet sleeve 7, the ratchet poking teeth 14, the third spring 15 and the poking teeth fixing screw 16 are mounted at the poking teeth hole of the support 6, the purpose of avoiding the ratchet sleeve 7 from reversing when the toothed transmission shaft I9 is reversed and withdrawn is achieved, the product 3 is placed on the product positioning flange 21, the self-tapping thread sleeve 20 is mounted on the self-tapping thread sleeve fixing screw 19, the mounting head of the toothed transmission shaft I9 is fixed by using a tapping machine or other tapping equipment, and the self-tapping tool is driven to rotate and mounted on the tapping machine or other tapping equipment. The product 3 is a product which needs to be drilled and provided with a self-tapping thread sleeve, and the range of the thread sleeve which needs to be arranged on the product 3 is M3 or more.
The embodiment utilizes the clutch and the positive and negative rotation of the ratchet wheel and the toothed transmission shaft to realize the tapping and the backing, and the rotation and the stopping are used for installing the self-tapping thread sleeve, and specifically comprises the following steps: (1) When the self-tapping thread sleeve is tapped, the self-tapping thread sleeve 20 is firstly installed on the self-tapping thread sleeve fixing screw 19, the first toothed transmission shaft 9 is driven to rotate by utilizing machine tool power, the first toothed transmission shaft 9 drives the second toothed transmission shaft 17 and the self-tapping thread sleeve fixing screw 19 to rotate, and then the ratchet wheel teeth of the ratchet wheel cover 11 are utilized to drive the ratchet wheel sleeve 7 to synchronously move, so that the self-tapping thread sleeve 20 is rotationally installed on the product 3. (2) When the drilling machine is withdrawn, the ratchet cover 11 is separated from the ratchet sleeve 7 by utilizing the ratchet characteristic during the reverse rotation, the ratchet poking teeth 14 and the external ratchet characteristic of the ratchet sleeve 7 are utilized to prevent the ratchet sleeve 7 from reversing along with the ratchet sleeve 7, the ratchet sleeve 7 is stopped, the self-tapping screw sleeve 20 which is already installed is pressed by stopping the movement of the ratchet sleeve 7 to prevent the self-tapping screw sleeve from being carried out or moving, the self-tapping screw sleeve fixing screw 19 is withdrawn from the self-tapping screw sleeve by utilizing the reverse rotation of the toothed transmission shaft I9 to drive the toothed transmission shaft II 17, after the drilling machine is completely withdrawn, the main shaft head of the drilling machine is reset, the toothed transmission shaft I9 is applied with upward reversing force, the upper end cover of the plane bearing II 5 is applied with upward pressure to the spring II 13 when the toothed transmission shaft I9 is reversely rotated upwards, the spring II drives the ratchet sleeve 7 to move upwards by the inner end cover 12, at the moment, the upper end cover of the plane bearing II 13 is not rotated, the lower end cover rotates along with the inversion of the first toothed transmission shaft 9, when the first toothed transmission shaft 9 inverts upwards to drive the ratchet sleeve 7 to move upwards so that the first limit screw 18 touches the bottom wall of the through hole 26 of the bracket 6, the first limit screw 18 can stop the ratchet sleeve 7 from separating from the through hole 26 of the bracket 6, then the ratchet sleeve 7 stops moving, the first toothed transmission shaft 9 continuously drives the second toothed transmission shaft 17 to invert upwards, when the second limit screw touches the bottom wall of the annular groove 25 of the second toothed transmission shaft 17, the second limit screw applies resistance to the second toothed transmission shaft 17 to prevent the second toothed transmission shaft 17 from moving upwards, at the moment, the first toothed transmission shaft 9 breaks away from the second toothed transmission shaft 17, the second toothed transmission shaft 17 stops rotating, and an operator can conveniently install a self-tapping thread sleeve on the self-tapping thread sleeve fixing screw 19, the safety of an operator when installing the self-tapping thread bush is protected.
The embodiment can select the self-tapping thread bush fixing screws 19 and the ratchet bush 7 to install the self-tapping thread bush machine installation tool on a tapping machine or other tapping equipment according to the number of the self-tapping thread bushes required to be installed by the product and the specification of the self-tapping thread bush.
The tapping machine or other tapping equipment can be used for driving, so that the purpose of installing the self-tapping thread bush is achieved, the existing manual thread bush installing tool is replaced, and the installing efficiency and the installing precision are improved.
The scope of the present invention includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the invention.
Claims (5)
1. The utility model provides a self-tapping thread bush machine installation frock which characterized in that includes: the device comprises a base, a bracket, a product positioning flange and a toothed transmission shaft assembly, wherein the bracket and the product positioning flange are both fixed on the base, the bracket is of an inverted L shape, one end of the top of the bracket is provided with a through hole, the toothed transmission shaft assembly penetrates through the through hole, and the toothed transmission shaft assembly can move up and down and rotate freely in the through hole;
the toothed transmission shaft assembly comprises a ratchet wheel sleeve, a ratchet wheel cover, a plane bearing I, a plane bearing II, a spring I, a toothed transmission shaft I, a fixing nut, an inner end cover, a spring II, a toothed transmission shaft II, a limit screw I and a self-tapping screw sleeve fixing screw, wherein the plane bearing I is positioned at the bottom of the ratchet wheel sleeve and is in clearance fit with the inner wall of the ratchet wheel sleeve, the bottom of the self-tapping screw sleeve fixing screw sequentially penetrates through a central hole of the plane bearing I and a through hole of the bottom of the ratchet wheel sleeve and is fixedly connected with the toothed transmission shaft II at the middle upper part of the self-tapping screw sleeve fixing screw, the bottom of the self-tapping screw sleeve fixing screw is used for being connected with the self-tapping screw sleeve, the toothed transmission shaft II is in clearance fit with the ratchet wheel sleeve, bottom end face teeth of the toothed transmission shaft I extend from the top of the ratchet wheel sleeve and are in matched connection with top end face teeth of the toothed transmission shaft II, the plane bearing II, the spring II and the inner end cover are sequentially sleeved on the toothed transmission shaft I, the inner end cover is fixedly connected with the inner wall of the ratchet sleeve, the plane bearing II is in clearance fit with the inner wall of the ratchet sleeve, the spring II is positioned between the plane bearing II and the inner end cover, the toothed transmission shaft I can move up and down and rotate freely in a central hole in the middle of the inner end cover, the top of the toothed transmission shaft I sequentially penetrates through the central hole of the ratchet cover and the spring II, ratchet teeth on the lower end surface of the ratchet cover are meshed with ratchet teeth on the upper end surface of the ratchet sleeve, a fixing nut is in threaded connection with the toothed transmission shaft I and is in contact with the top of the spring I, a limit screw I for preventing the toothed transmission shaft component from falling off from a through hole of the bracket is fixed on the outer circumferential surface of the bottom of the ratchet sleeve, a ratchet tooth shifting mechanism is arranged in the bracket positioned on one side of the through hole, the end part of the ratchet wheel gear shifting mechanism penetrates into the through hole, and ratchet teeth at the end part of the ratchet wheel gear shifting mechanism are meshed with ratchet teeth on the outer circumferential surface of the ratchet wheel sleeve;
the first toothed transmission shaft penetrates through the central hole of the second planar bearing, the bottom of the second planar bearing is in contact with the upper wall of the end face teeth at the bottom of the first toothed transmission shaft, the first toothed transmission shaft penetrates through the central hole of the inner end cover, the first toothed transmission shaft can move up and down and rotate freely in the central hole of the inner end cover, the inner end cover is in threaded connection with the inner wall of the ratchet sleeve, and the lower surface of the inner end cover is in contact with the top of the second spring;
the ratchet tooth shifting mechanism comprises a ratchet tooth shifting mechanism, a spring III and a tooth shifting fixing screw, a horizontal tooth shifting hole communicated with the through hole is formed in a support arranged on one side of the through hole, the tooth shifting fixing screw is fixed at one end of the tooth shifting hole, the spring III and the ratchet tooth shifting mechanism are both arranged in the tooth shifting hole, one end of the spring III is connected with the tooth shifting fixing screw, the other end of the spring III is connected with the ratchet tooth shifting mechanism, and ratchet teeth at the end of the ratchet tooth shifting mechanism extend into the through hole from the tooth shifting hole and are meshed with ratchet teeth on the outer circumferential surface of the ratchet sleeve.
2. The mounting fixture for the self-tapping screw set machine according to claim 1, wherein the product positioning flange is fixed in the middle of the base through a product positioning flange fixing screw, the bottom of the bracket is fixedly connected with the base through a bracket fixing screw, and the bracket is positioned on one side of the product positioning flange.
3. The mounting fixture for the self-tapping thread bushing machine according to claim 2, wherein a fixing hole is formed in the bottom of the toothed transmission shaft II, and the middle upper portion of the self-tapping thread bushing fixing screw penetrates into and is fastened in the fixing hole of the toothed transmission shaft II.
4. The mounting tool for the self-tapping threading machine according to claim 1, wherein the center hole of the ratchet cover is a square hole, a section of square wall matched with the square hole is arranged on the outer wall of the toothed transmission shaft I, an external thread used for being locked with the fixing nut is further arranged on the outer wall of the toothed transmission shaft I and located above the square wall, the square wall is located above the plane bearing II and below the fixing nut, and the square wall of the toothed transmission shaft I is in matched contact with the square hole of the ratchet cover so that the toothed transmission shaft I can drive the ratchet cover to rotate and can move up and down freely in the square hole of the ratchet cover, and the center hole of the inner end cover is circular and the square wall of the toothed transmission shaft I can move up and down and rotate freely in the center hole of the inner end cover.
5. The mounting tool for the self-tapping thread bushing machine according to claim 1, wherein an annular groove is formed in the lower portion of the toothed transmission shaft II, a limiting screw II is fixed to the ratchet bushing, the end portion of the limiting screw II extends into the annular groove of the toothed transmission shaft II, and the height of the annular groove is larger than the diameter of the end portion of the limiting screw II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471687.1A CN109304600B (en) | 2018-12-04 | 2018-12-04 | Mounting tool for self-tapping thread bushing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811471687.1A CN109304600B (en) | 2018-12-04 | 2018-12-04 | Mounting tool for self-tapping thread bushing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109304600A CN109304600A (en) | 2019-02-05 |
| CN109304600B true CN109304600B (en) | 2023-11-03 |
Family
ID=65222199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811471687.1A Active CN109304600B (en) | 2018-12-04 | 2018-12-04 | Mounting tool for self-tapping thread bushing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109807812A (en) * | 2019-04-03 | 2019-05-28 | 厦门弘诚绝缘材料有限公司 | A kind of self tapping swivel nut anti-lock installation tool |
| CN110977328A (en) * | 2019-12-17 | 2020-04-10 | 宁波江丰电子材料股份有限公司 | Method for mounting self-tapping thread sleeve in target assembly |
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