CN202356644U - Numerical control machining tool for spiral profiles of screws of two-screw pump - Google Patents

Numerical control machining tool for spiral profiles of screws of two-screw pump Download PDF

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Publication number
CN202356644U
CN202356644U CN2011204756823U CN201120475682U CN202356644U CN 202356644 U CN202356644 U CN 202356644U CN 2011204756823 U CN2011204756823 U CN 2011204756823U CN 201120475682 U CN201120475682 U CN 201120475682U CN 202356644 U CN202356644 U CN 202356644U
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CN
China
Prior art keywords
knife bar
knife
screw
wedge
hole
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.)
Withdrawn - After Issue
Application number
CN2011204756823U
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Chinese (zh)
Inventor
占方余
赵宝龙
朱泽辉
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.)
Tianjin Red Screw Pump Manufacture & Technology Co Ltd
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Tianjin Red Screw Pump Manufacture & Technology 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
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Application filed by Tianjin Red Screw Pump Manufacture & Technology Co Ltd filed Critical Tianjin Red Screw Pump Manufacture & Technology Co Ltd
Priority to CN2011204756823U priority Critical patent/CN202356644U/en
Application granted granted Critical
Publication of CN202356644U publication Critical patent/CN202356644U/en
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Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model relates to a numerical control machining tool for spiral profiles of screws of a two-screw pump. The numerical control machining tool is characterized in that the rear half of a tool bar is a cylindrical bar axially sleeved in an adjusting hilt with a square external section, a tool bar hole is arranged at the front end of the adjusting hilt, a screw hole is arranged at the tail end of the adjusting hilt, expansion and fixation of the tool bar are adjusted by an adjusting screw and a locking nut, and the tool bar is fixed by a tool bar locking mechanism on the outer side of the hilt. The front end of the tool bar is provided with a trapezoidal section, a tool bit positioning and mounting groove is arranged on the trapezoidal section, and a three-surface forming tool bit with three cutting edges is mounted in the mounting groove. By means of designing the tool with a special structure and by the aid of numerical control programming, the spiral profiles of the screws of the two-screw pump can be clamped at one step for three-surface forming. Besides, the tool is suitable for machining various specifications of screws, various spiral leads and various spiral lines, and breaks through the limitation that a tool, the specification of screws, a spiral lead and a spiral line need to be in one-to-one correspondence when spiral profiles of screws of a traditional two-screw pump are machined.

Description

Quimby pump screw spiral profile numerical control machining cutter
[technical field]
The utility model relates to Digit Control Machine Tool processing dedicated tool, the Quimby pump screw spiral profile numerical control machining cutter of particularly a kind of suitable processing plurality of specifications screw rod, multiple lead of screw and multiple spiral molded lines.
[background technology]
At present, in the processing of Quimby pump screw spiral profile, adopt these three kinds of cutters of forming disk milling cutter, face and side cutter and shaped profile turning cutter usually.
The forming disk milling cutter has good processing accuracy, advantage of high processing efficiency, but this cutter needs the special-purpose helical rotor milling machine of adapted, and this milling machine costs an arm and a leg, and has restricted the popularization of forming disk milling cutter; And a kind of forming disk milling cutter can only process the screw rod of a kind of specification, a kind of helical pitch and a kind of spiral molded lines, and promptly the forming disk milling cutter does not have versatility, and this has just greatly increased the manufacturing cost of screw rod; Simultaneously, also there is complex structure in the forming disk milling cutter, manufactures cycle length, manufacturing and the high shortcoming of reconditioning specification requirement.
Face and side cutter can only be used to process the screw rod of symmetrical spiral molded lines, and a kind of face and side cutter of specification can only process the screw rod of the little limited several kinds of helical pitches of helical pitch difference, also has the defective that cutter tooth can't reconditioning simultaneously.
But that shaped profile turning cutter has is simple in structure, make the advantage of easy sharpening, but the same cutter with the forming disk milling cutter of shaped profile turning cutter does not have versatility; Have also simultaneously that machining accuracy is poor, working (machining) efficiency is low, operator's technical ability is required high and the big defective of operator's labour intensity, satisfied not the demand of batch process.
[utility model content]
The purpose of the utility model is in order to overcome the deficiency of prior art; And a kind of numerical control machining cutter that is applicable to universal numerical control machined into Quimby pump screw spiral profile is provided; This cutter structure is simple, can realize the processing of three moulding of a clamping and suitable plurality of specifications screw rod, multiple lead of screw and multiple spiral molded lines.
The utility model be address the above problem the scheme that is adopted be the design a kind of Quimby pump screw spiral profile numerical control machining cutter.It comprises that front end is equipped with the knife bar of cutter head, and what it is characterized in that said knife bar latter half ofly is cylindrical bar, and is sleeved on vertically in the handle of a knife that an exterior cross-section is square; The front end of said handle of a knife is provided with the knife bar hole; The knife bar hole wall is provided with an otch that is parallel to the axle center; The otch both sides are locked knife bar in the outside that is positioned at handle of a knife front end oral area through rod-pulling type knife bar retaining mechanism; The tail end of handle of a knife is provided with the screw that communicates with the knife bar hole, regulates the knife bar collapsing length through the adjustment screw and the outside locking nut that wherein penetrate; Said handle of a knife also is fixed with the disk of band scale on front end face, corresponding with it, is provided with vertical knife bar deflection datum line at the cylindrical surface of knife bar; The front end of said knife bar is the trapezoid cross section, which is provided with cutter head location and installation groove, and the cutter head of three cutting edges is installed in the mounting groove.
The utility model relends and helps numerical control programming through the cutter of design special construction, can realize three processing and forming of clamping of Quimby pump screw spiral profile.Simultaneously can realize that a kind of cutter is fit to the processing of plurality of specifications screw rod, multiple lead of screw and multiple spiral molded lines, break through traditional double screw pump screw spiral profile work in-process cutter, screw rod specification, lead of screw and spiral molded lines and must limit to one to one.Specifically comprise:
1, only needs just can realize the processing of different size, different lead and different spiral molded lines screw rods through the deflection angle of adjustment knife bar extension elongation and the relative handle of a knife of knife bar; Just can adapt to the processing of unlike material screw rod simultaneously through the cutter head of changing unlike material, therefore have good versatility.
2, add the man-hour cutter head and contact for point with the spiral profile, it is little to wear and tear, and cutter head durability height, life-span are long.
3, cutter head is stressed little, can improve the cutting speed of cutter; Can realize that in addition clamping reaches the function of three profiles of automatic processing screw spiral trough; By the high characteristic of numerically controlled lathe automaticity, both improve the working (machining) efficiency of screw rod simultaneously, greatly reduced operator's labour intensity again.
4, during tool setting, only need the extension elongation and the deflection angle of the relative handle of a knife of knife bar of adjustment knife bar, regulate simple, low the requirement of operator's technical ability.
5, cutter structure is simple, and the cutter manufacturing cost and use cost is low.
[description of drawings]
Fig. 1 Quimby pump screw spiral profile numerical control machining cutter figure;
Fig. 2 screw clamp compact form retaining mechanism front view;
Figure is cutd open on Fig. 3 screw clamp compact form retaining mechanism left side;
Fig. 4 wedge grip compact form retaining mechanism front view;
Figure is cutd open on Fig. 5 wedge grip compact form retaining mechanism left side;
The cutter head front view of two triangular blade combinations of Fig. 6;
The cutter head upward view of two triangular blade combinations of Fig. 7;
Fig. 8 monoblock type trapezoidal blade cutter head front view.
Among the figure: 1-handle of a knife; 2-knife bar; 3-cutter head; 4-retaining mechanism; 5-adjustment screw; 6-locking nut; 7-dial; 8-datum line; 9-studs; 10-nut; 11-open washer; 12-wedge hook bolt; 13-movable voussoir; 14-clamping lever; 15-guide finger.
Embodiment below in conjunction with the utility model is described in detail with reference to accompanying drawing.
[specific embodiment]
The utility model Quimby pump screw spiral profile numerical control machining cutter is to be equipped with on the knife bar basis of cutter head at common front end, the afterbody of knife bar is designed to cylindrical, and is sleeved on vertically in the handle of a knife that an exterior cross-section is square.The front end of said handle of a knife is provided with the knife bar hole, and the knife bar pore area has longitudinal cut, and the otch both sides are locked knife bar in the outside that is positioned at adjusting handle of a knife front end oral area through rod-pulling type knife bar retaining mechanism.The tail end of handle of a knife is provided with the screw that communicates with the knife bar hole, regulates the knife bar collapsing length through the adjustment screw and the outside locking nut that wherein penetrate.The front end of adjustment screw is a sphere, and the rear end is the soket head cap screw of full thread.Said handle of a knife also is provided with the disk of band scale on front end face, corresponding with it, is provided with knife bar deflection datum line at the afterbody cylindrical surface of knife bar, in order to the deflection angle of the relative handle of a knife of indication knife bar.The front portion of said knife bar is the trapezoid cross section, which is provided with cutter head location and installation groove, and the cutter head of three cutting edges is installed in the mounting groove.
The rod-pulling type knife bar retaining mechanism of said handle of a knife is a screw clamp compact form retaining mechanism.Said screw clamp compact form retaining mechanism is provided with the hole perpendicular to axis on the otch side walls of knife bar hole, wherein the hole of upside is a unthreaded hole, and the hole of downside is a screw, strains both sides otch wall through the screw that rotation is therefrom passed.
The rod-pulling type knife bar retaining mechanism of said handle of a knife is a wedge grip compact form retaining mechanism; Said wedge grip compact form retaining mechanism is provided with the locking hole perpendicular to axis on the otch side walls of knife bar hole; This locking hole and knife bar hole are local intersects, and the hole inwall also is provided with the gathering sill of a perforation; Be set with the wedge lock assembly of being made up of clamping lever, movable voussoir, wedge hook bolt and guide finger in the said locking hole, wherein: the wedge hook bolt is similar trapezoidal axle shape, and its large-diameter section is positioned at wedge hook bolt bottom; Be provided with the wedge shape cylinder on inclined-plane for the inboard; Its small axle diameter section is positioned at the top and the middle part of wedge hook bolt, is provided with external screw thread at the top of wedge hook bolt, and clamping lever spins on it; The middle part of wedge hook bolt is a polished rod, the movable voussoir of suit on it; Said movable voussoir is that a wedge shape cylinder with the wedge hook bolt is the cylinder ring of same outer diameter as, and also is provided with the inclined-plane of a symmetry in the position relative with the wedge shape cylinder of wedge hook bolt; The inclined-plane symmetrical center line of said wedge hook bolt and movable voussoir is parallel to the knife bar axially bored line of handle of a knife; All be fixed with a guide finger on the wedge shape cylinder of said wedge hook bolt and the movable voussoir, and when assembling, place the gathering sill of locking hole inwall.
Said three moulding cutter heads 3 are all-in-one-piece trapezoidal blades (as shown in Figure 8); Cutter head is through soldering with being connected of knife bar 2, or screw is fastening.
Said three moulding cutter heads 3 are to combine (like Fig. 6, shown in Figure 7) by two separate type triangular blades, and the both sides point of a knife is symmetrical, or asymmetric; Cutter head is through soldering with being connected of knife bar 2, or screw is fastening.
Quimby pump screw spiral profile numerical control machining cutter shown in Figure 1 is made up of handle of a knife 1, knife bar 2, cutter head 3, retaining mechanism 4, adjustment screw 5, locking nut 6 and dial 7 etc.
Fig. 2 and screw clamp compact form retaining mechanism shown in Figure 3 are made up of handle of a knife 1, studs 9, nut 10 and open washer 11.When needs clamped knife bar 2, fastening nut 10, handle of a knife 1 upper cut were under the pulling of studs 9 and diminish, and the purpose that deformation reaches clamping knife bar 2 takes place in the knife bar hole in the handle of a knife 1 thereby drive.
Fig. 4 and wedge grip compact form retaining mechanism shown in Figure 5 are made up of handle of a knife 1, wedge hook bolt 12, movable voussoir 13, clamping lever 14 and guide finger 15.When needs clamp knife bar 2; Rotation clamping lever 14; Guiding hyposphene hook bolt 12 at guide finger relatively moves with the axis of movable voussoir 13 along wedge hook bolt 12, and the cancave cambered surface above them is held the external cylindrical surface of knife bar 2 tightly, realizes the purpose of locking knife bar 2.
The utility model in use according to the lead angle of screw rod to be processed, is adjusted the deflection angle of knife bar 2 relative adjustment handle of a knifes 1; According to the degree of depth of screw spiral trough to be processed, through the extension elongation of adjustment screw 5 adjustment knife bars 2.After above parameter mixes up, tighten locking nut 6 and retaining mechanism 4 respectively, just can call the processing that corresponding procedure is accomplished screw rod automatically.
When need processing same specification, with helical pitch but during the different screw rod of spiral molded lines, then only need call corresponding procedure, do not need cutter is carried out the processing that any adjustment just can be accomplished different molded lines screw rods.
When need processing same specification, but during the different screw rod of helical pitch with the spiral molded lines; If helical pitch is greater than the twice of knife bar 2 width; Then only need the deflection angle (promptly rotate knife bar, make the datum line 8 on the knife bar 2, aim at the respective angles on the dial 7) of adjustment knife bar 2 relative handle of a knifes 1; Call corresponding procedure again, just can accomplish the processing of different lead screw rod.
When need process same helical pitch, with the spiral molded lines but during the different screw rod of specification, then only need the extension elongation of toolsetting bar 2 relative handle of a knifes 1, call corresponding procedure, just can accomplish the processing of different size screw rod.
If the screw rod material changes, then only need to change the cutter head 3 of suitable material, just can realize adapting of cutter and material to be processed.

Claims (5)

1. a Quimby pump screw spiral profile numerical control machining cutter comprises that front end is equipped with the knife bar of cutter head, and what it is characterized in that said knife bar latter half ofly is cylindrical bar, and is sleeved on vertically in the handle of a knife that an exterior cross-section is square; The front end of said handle of a knife is provided with the knife bar hole; The knife bar hole wall is provided with an otch that is parallel to the axle center; The otch both sides are locked knife bar in the outside that is positioned at handle of a knife front end oral area through rod-pulling type knife bar retaining mechanism; The tail end of handle of a knife is provided with the screw that communicates with the knife bar hole, regulates the knife bar collapsing length through the adjustment screw and the outside locking nut that wherein penetrate; Said handle of a knife also is fixed with the disk of band scale on front end face, corresponding with it, is provided with vertical knife bar deflection datum line at the cylindrical surface of knife bar; The front end of said knife bar is the trapezoid cross section, which is provided with cutter head location and installation groove, and the cutter head of three cutting edges is installed in the mounting groove.
2. Quimby pump screw spiral profile numerical control machining cutter according to claim 1; The rod-pulling type knife bar retaining mechanism that it is characterized in that said handle of a knife is a screw clamp compact form retaining mechanism; Said screw clamp compact form retaining mechanism is provided with the hole perpendicular to axis on the otch side walls of knife bar hole; Wherein the hole of upside is a unthreaded hole, and the hole of downside is a screw, strains both sides otch wall through the screw that rotation is therefrom passed.
3. Quimby pump screw spiral profile numerical control machining cutter according to claim 1; The rod-pulling type knife bar retaining mechanism that it is characterized in that said handle of a knife is a wedge grip compact form retaining mechanism; Said wedge grip compact form retaining mechanism is provided with the locking hole perpendicular to axis on the otch side walls of knife bar hole; This locking hole and knife bar hole are local intersects, and the hole inwall also is provided with the gathering sill of a perforation; Be set with the wedge lock assembly of being made up of clamping lever, movable voussoir, wedge hook bolt and guide finger in the said locking hole, wherein: the wedge hook bolt is similar trapezoidal axle shape, and its large-diameter section is positioned at wedge hook bolt bottom; Be provided with the wedge shape cylinder on inclined-plane for the inboard; Its small axle diameter section is positioned at the top and the middle part of wedge hook bolt, is provided with external screw thread at the top of wedge hook bolt, and clamping lever spins on it; The middle part of wedge hook bolt is a polished rod, the movable voussoir of suit on it; Said movable voussoir is that a wedge shape cylinder with the wedge hook bolt is the cylinder ring of same outer diameter as, and also is provided with the inclined-plane of a symmetry in the position relative with the wedge shape cylinder of wedge hook bolt; The inclined-plane symmetrical center line of said wedge hook bolt and movable voussoir is parallel to the knife bar axially bored line of handle of a knife; All be fixed with a guide finger on the wedge shape cylinder of said wedge hook bolt and the movable voussoir, and when assembling, place the gathering sill of locking hole inwall.
4. according to claim 1 or 2 or 3 described Quimby pump screw spiral profile numerical control machining cutters, it is characterized in that said cutter head, is an all-in-one-piece trapezoidal blade; Cutter head is through soldering with being connected of knife bar, or screw is fastening.
5. according to claim 1 or 2 or 3 described Quimby pump screw spiral profile numerical control machining cutters, it is characterized in that said cutter head is to be combined by two separate type triangular blades, the both sides point of a knife is symmetrical, or asymmetric; Cutter head is through soldering with being connected of knife bar, or screw is fastening.
CN2011204756823U 2011-11-25 2011-11-25 Numerical control machining tool for spiral profiles of screws of two-screw pump Withdrawn - After Issue CN202356644U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204756823U CN202356644U (en) 2011-11-25 2011-11-25 Numerical control machining tool for spiral profiles of screws of two-screw pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204756823U CN202356644U (en) 2011-11-25 2011-11-25 Numerical control machining tool for spiral profiles of screws of two-screw pump

Publications (1)

Publication Number Publication Date
CN202356644U true CN202356644U (en) 2012-08-01

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Application Number Title Priority Date Filing Date
CN2011204756823U Withdrawn - After Issue CN202356644U (en) 2011-11-25 2011-11-25 Numerical control machining tool for spiral profiles of screws of two-screw pump

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102489730A (en) * 2011-11-25 2012-06-13 天津市瑞德螺杆泵制造技术有限公司 Tool for carrying out numerical control machining on spiral profiles of screws of twin-screw pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102489730A (en) * 2011-11-25 2012-06-13 天津市瑞德螺杆泵制造技术有限公司 Tool for carrying out numerical control machining on spiral profiles of screws of twin-screw pump
CN102489730B (en) * 2011-11-25 2013-06-12 天津市瑞德螺杆泵制造技术有限公司 Tool for carrying out numerical control machining on spiral profiles of screws of twin-screw pump

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20120801

Effective date of abandoning: 20130612

RGAV Abandon patent right to avoid regrant