CN211438242U - Screw and nut safety hole drilling die - Google Patents

Screw and nut safety hole drilling die Download PDF

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Publication number
CN211438242U
CN211438242U CN201922140242.1U CN201922140242U CN211438242U CN 211438242 U CN211438242 U CN 211438242U CN 201922140242 U CN201922140242 U CN 201922140242U CN 211438242 U CN211438242 U CN 211438242U
Authority
CN
China
Prior art keywords
fixed end
movable end
hole
shaped groove
shaped block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201922140242.1U
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Chinese (zh)
Inventor
盛科
许爱军
张�荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changsha Aeronautical Vocational and Technical College
Original Assignee
Changsha Aeronautical Vocational and Technical College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changsha Aeronautical Vocational and Technical College filed Critical Changsha Aeronautical Vocational and Technical College
Priority to CN201922140242.1U priority Critical patent/CN211438242U/en
Application granted granted Critical
Publication of CN211438242U publication Critical patent/CN211438242U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a screw and nut safety hole drilling die, which comprises a front die and a rear die; the front mold comprises a front template, and the rear mold comprises a rear template; a front V-shaped block is arranged on the front template in a protruding mode and comprises a front fixed end and a front movable end, a front connecting piece is connected between the front fixed end and the front movable end, a transversely extending front V-shaped groove is formed between the front fixed end and the front movable end, more than one front guide hole forming an included angle with the front V-shaped groove is formed in the front V-shaped block, the front guide hole penetrates through the front V-shaped groove, and a baffle is arranged at one end, located at the front V-shaped groove, of the front V-shaped block; the rear mold is identical in structure to the front mold except that it has no baffle. An object of the utility model is to provide an accurate positioning, drill bit can lead and have screw rod, nut insurance hole drilling jig that can freely adjust the V-arrangement groove size.

Description

Screw and nut safety hole drilling die
Technical Field
The utility model relates to the field of machining, in particular to boring grab.
Background
The screw rod and the screw cap are common connecting parts in mechanical equipment, are also used in a large number in aerospace, and need to be drilled with safety holes in order to prevent looseness or falling off in use. As the development of the machinery manufacturing industry in China is rapid, the demand of parts is increased, and the parts are directly required to be produced and processed in a large scale. In order to ensure the production efficiency and the processing quality of the parts, a clamp which can be accurately positioned, is rapid and reliable needs to be designed to ensure the production efficiency and the processing quality of the parts.
In order to solve the above technical problem, a drilling jig has been developed. The patent document with publication number 2016.10.12 of 201610393316.0 discloses a drilling clamp in the field of machining, which comprises a base, wherein a positioning drill plate and a locking block are fixedly connected to the base side by side, at least one pair of slide rails are fixedly connected to the positioning drill plate, a clamping pile is slidably connected to the interior of each slide rail, a first V-shaped groove is formed in the front end face of the clamping pile, a second V-shaped groove is formed in the locking block, the first V-shaped groove is opposite to the notch of the second V-shaped groove, a through hole is formed in the positioning drill plate, a screw is in threaded connection with the through hole, and the screw is rotatably connected with the rear end face of the clamping pile; and the locking block is provided with a drill die sleeve for drilling holes on the spiral profile part. Through being close to and keeping away from in first V-arrangement groove and second V-arrangement groove, quick completion spiral profile part is fixed on anchor clamps or is loosened, recycles the jig cover and can process the surface of spiral profile part, has avoided the appearance of the surface condition of skidding at spiral profile part, has improved the precision of processing.
Although the drilling clamp of the invention brings certain benefits, (1) because the sizes of the first V-shaped groove and the second V-shaped groove are determined, if a machined part is smaller than the V-shaped groove of the clamp, the phenomenon of untightening can occur, so that the part is easy to shake; if the processed part is larger than the V-shaped groove formed by the clamp, the part is difficult to clamp, and the processing quality of the part is affected; (2) the drilling fixture is used for drilling round materials generally, a drilling die sleeve 7 used for drilling a hole in a spiral profile part 9 is arranged on a clamping pile 6 limited in the structure, a pin hole used for fixing the spiral profile part 9 is arranged on the clamping pile 6, a positioning pin 8 is sleeved in the pin hole, and the central axis of the positioning pin 8 and the central axis of the drilling die sleeve 7 form an included angle of 20 degrees.
Disclosure of Invention
An object of the utility model is to provide an accurate positioning, drill bit can lead and have screw rod, nut insurance hole drilling jig that can freely adjust the V-arrangement groove size.
In order to achieve the aim, the screw and nut safety hole drilling die comprises a front die and a rear die; the front mold comprises a front template, and the rear mold comprises a rear template; the front V-shaped block is arranged on the front template in a protruding mode and comprises a front fixed end and a front movable end, a front connecting piece is connected between the front fixed end and the front movable end, a front V-shaped groove extending transversely is formed between the front fixed end and the front movable end, more than one front guide hole forming an included angle with the front V-shaped groove is formed in the front V-shaped block, the front guide hole penetrates through the front V-shaped groove, and a baffle is arranged at one end, located at the front V-shaped groove, of the front V-shaped block; a rear V-shaped block is arranged on the rear template in a protruding mode and comprises a rear fixed end and a rear movable end, a rear connecting piece is connected between the rear fixed end and the rear movable end, a rear V-shaped groove extending transversely is formed between the rear fixed end and the rear movable end, more than one rear guide hole forming an included angle with the rear V-shaped groove is formed in the rear V-shaped block, and the rear guide hole penetrates through the rear V-shaped groove; the front V-shaped groove and the rear V-shaped groove are oppositely arranged.
The screw rod of above-mentioned structure, nut insurance hole drilling jig can install preceding template and back template on keeping silent of vice before the use, during the use, will adjust the width that is fit for processing the part through the front and back V-arrangement groove of front and back V type piece respectively around the connecting piece, and rotatory vice lead screw presss from both sides tight part and carries out drilling processing, is equipped with the baffle in the front and can carries out axial positioning with the part on the V type piece, and the drill bit passes the guiding hole during drilling and processes the part. The widths of the front V-shaped groove and the rear V-shaped groove of the front V-shaped block and the rear V-shaped groove of the rear V-shaped block can be adjusted, so that the front V-shaped groove and the rear V-shaped groove can be clamped when a large part is machined, and can be clamped when a small part is machined, so that the part cannot shake during machining, and the quality of the part is ensured; additionally, the utility model discloses a structure need not set up the fabrication hole of location on the part, consequently, can be to arbitrary circular pipe fitting processing insurance hole, and moreover, the position of insurance hole can not receive the restriction in part fabrication hole, consequently, processes more in a flexible way, and application scope is wide.
Furthermore, the front fixed end of the front V-shaped block is provided with more than one front countersunk hole, and the front movable end of the front V-shaped block is provided with front threaded holes which are the same in number as the front countersunk holes and are communicated with the front countersunk holes; the rear fixed end of the rear V-shaped block is provided with more than one rear countersunk hole, and the rear movable end of the rear V-shaped block is provided with rear threaded holes which are the same as the rear countersunk holes in number and are communicated with the rear countersunk holes. The front fixed end and the rear fixed end are respectively fixed on the front template and the rear template, the front movable end and the rear movable end are movably connected on the front fixed end and the rear fixed end through the front connecting piece and the rear connecting piece, the front threaded hole and the rear threaded hole are respectively arranged on the front movable end and the rear movable end, when the bolt is connected to the front movable end and the rear movable end, the connection area of the threads and the threaded holes is large, therefore, the connection reliability of the front movable end and the rear movable end which move frequently and the.
Furthermore, the front connecting piece is connected to a front threaded hole of the front movable end through a front countersunk hole of the front fixed end to integrate the front fixed end and the front movable end of the front V-shaped block; the rear connecting piece is connected to a rear threaded hole of the rear movable end through a rear counter sink hole of the rear fixed end to enable the rear fixed end and the rear movable end of the rear V-shaped block to form a whole. The widths of the front and rear V-shaped grooves of the front and rear V-shaped blocks are controlled by the front and rear connecting pieces respectively, so that the control is convenient and quick.
Furthermore, the front connecting piece and the rear connecting piece are both bolts. This structure, when needing the great part of centre gripping, twist the bolt with clockwise, adjust the width that is fit for the part can, otherwise, twist the bolt with anticlockwise can.
Furthermore, the baffle is rectangular, and the baffle is fixed on one end face of the front fixed end of the front V-shaped block. Therefore, the baffle plate can be used for axial positioning, and the front movable end can move freely.
Further, the front guide hole extends from the front fixed end to the front movable end; the back guiding hole extends from the back fixed end to the back movable end. The front and rear guide holes are used for guiding during drilling, and the drill bit cannot damage a drilling die.
Furthermore, the front template and the rear template are both provided with more than one mounting hole for connecting and fixing the screw rod and the nut safety hole drilling die on a jaw of a vice through screws.
Drawings
Fig. 1 is a perspective view of a front template of the present invention;
fig. 2 is a perspective view of the rear template of the present invention;
fig. 3 is a top view of the rear mold plate of the present invention;
fig. 4 is a front view of the rear template of the present invention;
fig. 5 is a schematic cross-sectional view of the rear template of the present invention taken along line a-a in fig. 3.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5, the present invention relates to a screw and nut safety hole drilling mold, which comprises a front mold 1 and a rear mold 2.
As shown in fig. 1, the front mold 1 includes a front mold plate 11, a mounting hole 10 is provided on the front mold plate 11, the mounting hole 10 is a countersunk hole, and a bolt passes through the mounting hole 10 to fix the front mold plate 11 to the front jaw of the vise. A front V-shaped block 3 capable of adjusting the width of a front V-shaped groove is arranged on the front template 11 in a protruding mode, the front V-shaped block consists of a front fixed end 31 and a front movable end 32, a front V-shaped groove 30 extending transversely is formed between the front fixed end 31 and the front movable end 32, a front adjusting gap 33 is formed between the front fixed end 31 and the front movable end 32, and a reserved space is reserved for adjusting the width of the front V-shaped groove 30; the front fixed end 31 of the front V-shaped block is provided with more than one front countersunk hole 311, and the front movable end 32 of the front V-shaped block is provided with front threaded holes (not shown) which are the same in number as the front countersunk holes and are communicated with the front countersunk holes; the front fixed end 31 and the front movable end 32 are connected through a front connecting piece which passes through the front counter sink 311 and the front threaded hole, and the front connecting piece is a bolt. More than one front guide hole 5 forming an included angle of 0-90 degrees (including 90 degrees) with the front V-shaped groove 30 is formed in the front V-shaped block 3, the front guide hole 5 penetrates through the front V-shaped groove 30, and the front guide hole 5 extends from the front fixed end 31 to the front movable end 32. A baffle 6 is fixed on one end face of the front fixed end 31 of the front V-shaped block, and the baffle 6 is rectangular, so that not only can axial positioning be performed through the baffle, but also the front movable end can freely move.
As shown in fig. 2 to 5, the rear mold 2 includes a rear mold plate 21, a mounting hole 10 is provided on the rear mold plate 21, the mounting hole 10 is a countersunk hole, and a bolt 9 passes through the mounting hole 10 to fix the rear mold plate 21 to the rear jaw of the vise. A rear V-shaped block 7 capable of adjusting the width of a rear V-shaped groove is arranged on the rear template 21 in a protruding mode, the rear V-shaped block is composed of a rear fixed end 71 and a rear movable end 72, a rear V-shaped groove 70 extending transversely is formed between the rear fixed end 71 and the rear movable end 72, a rear adjusting gap 73 is formed between the rear fixed end 71 and the rear movable end 72, and a reserved space is reserved for adjusting the width of the rear V-shaped groove 70; the rear fixed end 71 of the rear V-shaped block is provided with more than one rear countersunk hole 711, and the rear movable end 72 of the rear V-shaped block is provided with rear threaded holes 721 which are the same in number and communicated with the rear countersunk holes; the rear fixed end 71 and the rear movable end 72 are connected by a rear connecting member 8 passing through the rear counter sink hole 711 and the rear screw hole, and the rear connecting member is a bolt. More than one rear guide hole 50 forming an included angle of 0-90 degrees (including 90 degrees) with the rear V-shaped groove 70 is formed in the rear V-shaped block 7, the rear guide hole 50 penetrates through the rear V-shaped groove 70, and the rear guide hole 50 extends from the rear fixed end 71 to penetrate to the rear movable end 72.
The front V-shaped groove 30 is disposed opposite the rear V-shaped groove 70.
The screw rod of above-mentioned structure, nut insurance hole drilling jig can install preceding template and back template on keeping silent of vice before the use, during the use, will adjust the width that is fit for processing the part through the front and back V-arrangement groove of front and back V type piece respectively around the connecting piece, and rotatory vice lead screw presss from both sides tight part and carries out drilling processing, is equipped with the baffle in the front and can carries out axial positioning with the part on the V type piece, and the drill bit passes the guiding hole during drilling and processes the part. The widths of the front V-shaped groove and the rear V-shaped groove of the front V-shaped block and the rear V-shaped groove of the rear V-shaped block can be adjusted, so that the front V-shaped groove and the rear V-shaped groove can be clamped when a large part is machined, and can be clamped when a small part is machined, so that the part cannot shake during machining, and the quality of the part is ensured; additionally, the utility model discloses a structure need not set up the fabrication hole of location on the part, consequently, can be to arbitrary circular pipe fitting processing insurance hole, and moreover, the position of insurance hole can not receive the restriction in part fabrication hole, consequently, processes more in a flexible way, and application scope is wide. The front fixed end and the rear fixed end are respectively fixed on the front template and the rear template, the front movable end and the rear movable end are movably connected on the front fixed end and the rear fixed end through the front connecting piece and the rear connecting piece, the front threaded hole and the rear threaded hole are respectively arranged on the front movable end and the rear movable end, when the bolt is connected to the front movable end and the rear movable end, the connection area of the threads and the threaded holes is large, therefore, the connection reliability of the front movable end and the rear movable end which move frequently and the.

Claims (7)

1. The utility model provides a screw rod, nut insurance hole drilling mould which characterized in that: comprises a front mould and a rear mould; the front mold comprises a front template, and the rear mold comprises a rear template; the front V-shaped block is arranged on the front template in a protruding mode and comprises a front fixed end and a front movable end, a front connecting piece is connected between the front fixed end and the front movable end, a front V-shaped groove extending transversely is formed between the front fixed end and the front movable end, more than one front guide hole forming an included angle with the front V-shaped groove is formed in the front V-shaped block, the front guide hole penetrates through the front V-shaped groove, and a baffle is arranged at one end, located at the front V-shaped groove, of the front V-shaped block; a rear V-shaped block is arranged on the rear template in a protruding mode and comprises a rear fixed end and a rear movable end, a rear connecting piece is connected between the rear fixed end and the rear movable end, a rear V-shaped groove extending transversely is formed between the rear fixed end and the rear movable end, more than one rear guide hole forming an included angle with the rear V-shaped groove is formed in the rear V-shaped block, and the rear guide hole penetrates through the rear V-shaped groove; the front V-shaped groove and the rear V-shaped groove are oppositely arranged.
2. A screw and nut safety hole drilling die according to claim 1, wherein: the front fixed end of the front V-shaped block is provided with more than one front countersunk hole, and the front movable end of the front V-shaped block is provided with front threaded holes which are the same in number as the front countersunk holes and are communicated with the front countersunk holes; the rear fixed end of the rear V-shaped block is provided with more than one rear countersunk hole, and the rear movable end of the rear V-shaped block is provided with rear threaded holes which are the same as the rear countersunk holes in number and are communicated with the rear countersunk holes.
3. A screw and nut safety hole drilling die according to claim 1 or 2, wherein: the front connecting piece is connected to a front threaded hole of the front movable end through a front counter sink hole of the front fixed end to enable the front fixed end and the front movable end of the front V-shaped block to form a whole; the rear connecting piece is connected to a rear threaded hole of the rear movable end through a rear counter sink hole of the rear fixed end to enable the rear fixed end and the rear movable end of the rear V-shaped block to form a whole.
4. A screw and nut safety hole drilling die according to claim 3, wherein: the front connecting piece and the rear connecting piece are both bolts.
5. A screw and nut safety hole drilling die according to claim 1, wherein: the baffle is rectangular, and the baffle is fixed on an end face of the front fixed end of the front V-shaped block.
6. A screw and nut safety hole drilling die according to claim 1, wherein: the front guide hole extends from the front fixed end to the front movable end; the back guiding hole extends from the back fixed end to the back movable end.
7. A screw and nut safety hole drilling die according to claim 1, wherein: the front template and the rear template are both provided with more than one mounting hole.
CN201922140242.1U 2019-12-03 2019-12-03 Screw and nut safety hole drilling die Expired - Fee Related CN211438242U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922140242.1U CN211438242U (en) 2019-12-03 2019-12-03 Screw and nut safety hole drilling die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922140242.1U CN211438242U (en) 2019-12-03 2019-12-03 Screw and nut safety hole drilling die

Publications (1)

Publication Number Publication Date
CN211438242U true CN211438242U (en) 2020-09-08

Family

ID=72320244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922140242.1U Expired - Fee Related CN211438242U (en) 2019-12-03 2019-12-03 Screw and nut safety hole drilling die

Country Status (1)

Country Link
CN (1) CN211438242U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200908

Termination date: 20211203