CN112620750A - Pneumatic numerical control device for forming bolt through hole kidney slot - Google Patents

Pneumatic numerical control device for forming bolt through hole kidney slot Download PDF

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Publication number
CN112620750A
CN112620750A CN202011413766.4A CN202011413766A CN112620750A CN 112620750 A CN112620750 A CN 112620750A CN 202011413766 A CN202011413766 A CN 202011413766A CN 112620750 A CN112620750 A CN 112620750A
Authority
CN
China
Prior art keywords
bolt
groove
sliding block
numerical control
die assembly
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.)
Pending
Application number
CN202011413766.4A
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Chinese (zh)
Inventor
陆昱森
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.)
Ningbo Yinzhou Fengming Industrial Product Design Co Ltd
Original Assignee
Ningbo Yinzhou Fengming Industrial Product Design Co Ltd
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 Ningbo Yinzhou Fengming Industrial Product Design Co Ltd filed Critical Ningbo Yinzhou Fengming Industrial Product Design Co Ltd
Priority to CN202011413766.4A priority Critical patent/CN112620750A/en
Publication of CN112620750A publication Critical patent/CN112620750A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/28—Grooving workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/04—Work clamping means using fluid means or a vacuum

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)

Abstract

The invention relates to a pneumatic numerical control device for forming a bolt through hole kidney slot, which comprises a closed shell, wherein the center of the shell is provided with a channel for a bolt to slide in the radial direction, a pneumatic ejector rod is connected in the channel in a sliding manner, the upper part of the shell is provided with an upper die assembly, the lower part of the shell is provided with a lower die assembly, and the upper die assembly and the lower die assembly are driven by an external air source to clamp the bolt; a placing groove for placing a bolt is arranged on the side edge of the upper part of the machine shell, the bottom of the placing groove is communicated with the channel, a through groove for moving the milling cutter is formed in the upper die assembly, and a cutter returning groove is formed in the lower die assembly corresponding to the through groove; the invention has the beneficial effects that: through designing the device with the pneumatic and numerical control structure, the slotting on the bolt main body can be fully automatically operated, thereby not only improving the processing efficiency, but also ensuring the quality problem of products.

Description

Pneumatic numerical control device for forming bolt through hole kidney slot
Technical Field
The invention belongs to the technical field of bolt manufacturing, and particularly relates to a pneumatic numerical control device for forming a bolt through hole kidney slot.
Background
With the rapid development of national economy in China, the production technology and requirements for standard parts are higher and higher, and the requirements for the standard parts are also higher and higher, wherein bolts are one of the standard parts with high utilization rate. However, for slotting on the bolt body, according to the existing machining process and machining equipment, machining efficiency and product qualification rate are still relatively low, and slotting of the bolt body can only be completed under manual auxiliary operation.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a pneumatic numerical control device for forming a waist groove of a through hole of a bolt, which has high processing efficiency on grooving of a bolt main body and excellent forming quality of the bolt.
The invention aims to solve the technical scheme that the pneumatic numerical control device for forming the bolt through hole kidney slot comprises a closed shell, wherein a channel for a bolt to slide in the radial direction is formed in the center of the shell, a pneumatic ejector rod is connected in the channel in a sliding manner, an upper die assembly is arranged at the upper part of the shell, a lower die assembly is arranged at the lower part of the shell, and the upper die assembly and the lower die assembly are driven by an external air source to clamp the bolt; the side edge of the upper part of the machine shell is provided with a placing groove for placing a bolt, the bottom of the placing groove is communicated with the channel, a through groove for moving the milling cutter is formed in the upper die assembly, and the lower die assembly corresponding to the upper die assembly is provided with a tool returning groove.
Preferably, one side of the upper die assembly and one side of the lower die assembly are provided with positioning modules which are symmetrically distributed up and down, and the positioning modules are positioned in front of the machine shell and are matched with the tightening ends of the bolts.
Preferably, go up the mould subassembly and include mould slider, reset spring, the tail end of going up the mould slider is door font structure, and with convex surface looks adaptation in the casing upper end, the head end of going up the mould slider with last through-hole that is equipped with on the wall of passageway alternates mutually, just reset spring is located the head end of going up the mould slider with between the casing inner wall.
Preferably, the upper end of the shell is provided with an upper air inlet corresponding to the tail end of the upper die sliding block; the head end of the upper module is an inner arc concave surface and is matched with the radial surface of the bolt.
Preferably, the number of the upper air inlets is two, and the two upper air inlets correspond to two sides of the tail end of the upper die sliding block one by one.
Preferably, the lower die assembly comprises a lower die sliding block and a positioning block, the lower die sliding block is rectangular and is inserted into the positioning block, the head end of the lower die sliding block is inserted into a lower through hole formed in the wall of the channel, and the positioning block is located in the casing.
Preferably, the lower end of the shell is provided with a lower air inlet which corresponds to the tail end of the lower die sliding block; the head end of the lower die sliding block is an inner arc concave surface with a tool returning groove in the center and is matched with the radial surface of the bolt.
Preferably, the through groove is formed in the center of the inner convex surface at the upper end of the machine shell and the center of the upper die sliding block.
The invention has the beneficial effects that: through designing the device with the pneumatic and numerical control structure, the slotting on the bolt main body can be fully automatically operated, thereby not only improving the processing efficiency, but also ensuring the quality problem of products.
Drawings
Fig. 1 is a schematic front sectional view of the present invention.
Fig. 2 is a schematic view of the sectional structure a-a of fig. 1.
The reference numbers in the drawings are respectively: 1. a housing; 2. a bolt; 3. a pneumatic ejector rod; 4. an upper die assembly; 5. a lower die assembly; 6. a placement groove; 7. milling cutters; 8. a positioning module; 11. a channel; 12. an inner convex surface; 13. an upper inlet port; 14. a lower air inlet; 21. a through hole waist slot; 41. a through groove; 42. an upper die slide block; 43. a return spring; 51. a tool returning groove; 52. a lower die slide block; 53. positioning blocks; 11-1, an upper through hole; 11-2 and a lower through hole.
Detailed Description
The invention will be described in detail below with reference to the following drawings: as shown in the attached drawings 1 and 2, the invention comprises a closed casing 1, a channel 11 for a bolt 2 to slide radially is arranged at the center of the casing 1, a pneumatic ejector rod 3 is connected in the channel 11 in a sliding way, the pneumatic ejector rod 3 can push the bolt 2 along the channel 11, an upper die assembly 4 is arranged at the upper part of the casing 1, a lower die assembly 5 is arranged at the lower part of the casing 1, the upper die assembly 4 and the lower die assembly 5 drive the bolt 2 to clamp through an external air source, namely, if air is supplied, the two modules move relatively to clamp the bolt 2, and if air is discharged, the two modules move away from each other to release the bolt 2; a placing groove 6 for placing the bolts 2 is arranged on the side edge of the upper part of the machine shell 1, and a plurality of bolts 2 are sequentially placed in the placing groove 6 in the height direction; and the bottom of the placing groove 6 is communicated with the channel 11, so that the bolt 2 is conveniently introduced into the channel 11; a through groove 41 for moving the milling cutter 7 is arranged in the upper die component 4, a cutter returning groove 51 is arranged on the lower die component 5 corresponding to the through groove 41, and the through groove 41 is arranged on the center of the inner convex surface 12 at the upper end of the machine shell 1 and the center of the upper die sliding block 42; this facilitates the milling of the through-hole waist slot 21 in the bolt body by the milling cutter 7.
In order to better position the bolt 2 in the sliding process, the positioning modules 8 which are symmetrically distributed up and down are installed on one side of the upper die assembly 4 and one side of the lower die assembly 5, and the positioning modules 8 are positioned in front of the machine shell 1 and are matched with the screwing end of the bolt 2, so that the structural design can position the bolt in the radial direction and the axial direction, and the phenomenon of deviation in the sliding process is avoided.
The upper die assembly 4 comprises an upper die sliding block 42 and a return spring 43, the tail end of the upper die sliding block 42 is of a door-shaped structure and is matched with the inner convex surface 12 at the upper end of the machine shell 1, so that the upper die assembly is convenient to limit and slide; the head end of the upper die sliding block 42 is inserted into an upper through hole 11-1 formed in the wall of the channel 11, so that the bolt 2 can be clamped conveniently, and the return spring 43 is located between the head end of the upper die sliding block 42 and the inner wall of the machine shell 1, so that the bolt 2 can be released conveniently, namely, the upper die sliding block 42 is reset by the elasticity of the return spring 43.
An upper air inlet 13 is formed in the upper end of the machine shell 1 and corresponds to the tail end of the upper die sliding block 42, and an external air source moves the upper die sliding block 42 towards the direction of the bolt 2 through the upper air inlet 13 so as to clamp the bolt 2; for better clamping the bolt 2, the head end of the upper die sliding block 42 is an inner arc concave surface and is matched with the radial surface of the bolt 2.
In order to ensure that the upper die sliding block 42 has better movement stability and balance when moving towards the bolt 2, two upper air inlets 13 are arranged and correspond to two sides of the tail end of the upper die sliding block 42 one by one.
The lower die component 5 comprises a lower die sliding block 52 and a positioning block 53, wherein the lower die sliding block 52 is rectangular and is inserted into the positioning block 53, so that the stability of the up-and-down motion of the lower die sliding block 52 is better, the head end of the lower die sliding block 52 is inserted into a lower through hole 11-2 formed in the wall of the channel 11, the bolt 2 is conveniently clamped, and the positioning block 53 is positioned in the machine shell 1.
A lower air inlet 14 is arranged at the lower end of the casing 1, and an external air source moves the lower die sliding block 52 towards the bolt 2 through the lower air inlet 14 so as to clamp the bolt 2; and corresponds to the tail end of the lower die slide block 52; in order to better clamp the bolt 2, the head end of the lower die sliding block 52 is an inner arc concave surface with a tool returning groove 51 at the center and is matched with the radial surface of the bolt 2, wherein the tool returning groove 51 on the inner arc concave surface is arranged so that the milling cutter 7 can play a tool returning effect when milling a through hole kidney groove of the bolt body.
The working principle of the invention is as follows: firstly, put bolt 2 in proper order in standing groove 6, the bolt 2 that is located the bottommost falls into to passageway 11 through the gravity mode, then pneumatic ejector pin 3 is along passageway 11 with bolt 2 propelling movement to going up between mould slider 42 and the lower mould slider 52, it admits air simultaneously through upper and lower air inlet simultaneously to go up the lower mould slider simultaneously, make upper and lower mould slider clamp bolt 2, at this moment, milling cutter 7 moves to the bolt direction along logical groove 41, machine-shaping goes out the through-hole waist slot of bolt main part promptly, finally, deflate through upper and lower air inlet, the lower mould slider slides down through gravity is automatic this moment, it resets through reset spring 43 to go up the mould slider, bolt 2 is in free state, and push out outside its passageway 11 through pneumatic ejector pin 3.
The present invention is not limited to the above embodiments, and any changes in the shape or material composition, or any changes in the structural design provided by the present invention, are all modifications of the present invention, and should be considered to be within the scope of the present invention.

Claims (8)

1. The utility model provides a be used for fashioned pneumatic numerical control device of bolt through-hole kidney groove, includes a inclosed casing (1), its characterized in that: a channel (11) for the bolt (2) to slide radially is formed in the center of the casing (1), a pneumatic ejector rod (3) is connected in the channel (11) in a sliding mode, an upper die assembly (4) is arranged on the upper portion of the casing (1), a lower die assembly (5) is arranged on the lower portion of the casing (1), and the bolt (2) is clamped by the upper die assembly (4) and the lower die assembly (5) under the driving of an external air source; the milling cutter is characterized in that a placing groove (6) for placing a bolt (2) is formed in the side edge of the upper portion of the machine shell (1), the bottom of the placing groove (6) is communicated with the channel (11), a through groove (41) for moving the milling cutter (7) is formed in the upper die assembly (4), and a cutter returning groove (51) is formed in the lower die assembly (5) corresponding to the through groove.
2. The pneumatic numerical control device for forming the bolt through hole kidney slot as claimed in claim 1, characterized in that: go up the mould subassembly (4), one side of lower mould subassembly (5) is installed and is locating module (8) that upper and lower symmetric distribution, just locating module (8) are located the place ahead of casing (1) and with the end adaptation of screwing up of bolt (2).
3. The pneumatic numerical control device for forming the bolt through hole kidney slot as claimed in claim 1, characterized in that: go up mould subassembly (4) including last mould slider (42), reset spring (43), the tail end of going up mould slider (42) is door font structure, and with convex surface (12) looks adaptation in casing (1) upper end, the head end of going up mould slider (42) with last through-hole (11-1) that are equipped with on the wall of passageway (11) alternate mutually, just reset spring (43) are located the head end of going up mould slider (42) with between casing (1) inner wall.
4. The pneumatic numerical control device for bolt through hole waist slot forming according to claim 3, characterized in that: an upper air inlet (13) is formed in the upper end of the shell (1) and corresponds to the tail end of the upper die sliding block (42); the head end of the upper die sliding block (42) is an inner arc concave surface and is matched with the radial surface of the bolt (2).
5. The pneumatic numerical control device for forming the bolt through hole kidney slot as claimed in claim 4, wherein: the number of the upper air inlets (13) is two, and the two upper air inlets correspond to the two sides of the tail end of the upper die sliding block (42) one by one.
6. The pneumatic numerical control device for forming the bolt through hole kidney slot as claimed in claim 1, characterized in that: the lower die component (5) comprises a lower die sliding block (52) and a positioning block (53), the lower die sliding block (52) is rectangular and is inserted into the positioning block (53), the head end of the lower die sliding block (52) is inserted into a lower through hole (11-2) formed in the wall of the channel (11), and the positioning block (53) is located in the machine shell (1).
7. The pneumatic numerical control device for forming the bolt through hole kidney slot as claimed in claim 6, characterized in that: the lower end of the shell (1) is provided with a lower air inlet (14) and corresponds to the tail end of the lower die sliding block (52); the head end of the lower die sliding block (52) is an inner arc concave surface with a tool returning groove (51) at the center and is matched with the radial surface of the bolt (2).
8. The pneumatic numerical control device for bolt through hole waist slot forming according to claim 3, characterized in that: the through groove (41) is formed in the center of the inner convex surface (12) at the upper end of the machine shell (1) and the center of the upper die sliding block (42).
CN202011413766.4A 2020-12-07 2020-12-07 Pneumatic numerical control device for forming bolt through hole kidney slot Pending CN112620750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011413766.4A CN112620750A (en) 2020-12-07 2020-12-07 Pneumatic numerical control device for forming bolt through hole kidney slot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011413766.4A CN112620750A (en) 2020-12-07 2020-12-07 Pneumatic numerical control device for forming bolt through hole kidney slot

Publications (1)

Publication Number Publication Date
CN112620750A true CN112620750A (en) 2021-04-09

Family

ID=75308283

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011413766.4A Pending CN112620750A (en) 2020-12-07 2020-12-07 Pneumatic numerical control device for forming bolt through hole kidney slot

Country Status (1)

Country Link
CN (1) CN112620750A (en)

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