CN203460011U - Numerically-controlled external cylindrical grinding machine - Google Patents

Numerically-controlled external cylindrical grinding machine Download PDF

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Publication number
CN203460011U
CN203460011U CN201320583640.0U CN201320583640U CN203460011U CN 203460011 U CN203460011 U CN 203460011U CN 201320583640 U CN201320583640 U CN 201320583640U CN 203460011 U CN203460011 U CN 203460011U
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China
Prior art keywords
headstock
lathe bed
external cylindrical
slide plate
slide
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CN201320583640.0U
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Chinese (zh)
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虞荣华
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Beiping machine tool (Zhejiang) Co.,Ltd.
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Taizhou Beiping Machine Tool Co Ltd
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Abstract

The utility model provides a numerically-controlled external cylindrical grinding machine, belongs to the technical field of machine tools, and solves the problems of the conventional external cylindrical grinding machine, including low processing precision and low processing efficiency. The numerically-controlled external cylindrical grinding machine comprises a machine body and a headstock provided with a clamping head and arranged on the machine body; a servo feeding shaft I is arranged between the headstock and the machine body; a rough grinding head and a fine grinding head located on the two sides of the front part of the headstock are respectively arranged on the machine body; the axial line of the fine grinding head is parallel to that of the headstock; the axial line of the rough grinding head is intersected with that of the headstock; a servo feeding shaft II is arranged between the fine grinding head and the machine body; a servo feeding shaft III is also arranged between the rough grinding head and the machine body; an automatic feeding structure for improving the working efficiency and an auxiliary support work piece support structure for improving the machining precision are arranged on the machine body. The numerically controlled external cylindrical grinding machine has the advantages of high machining precision, high machining efficiency and the like.

Description

Numerical control external cylindrical grinding machine
Technical field
the utility model belongs to machine tool technology field, relates to a kind of cylindrical grinder, particularly a kind of numerical control external cylindrical grinding machine.
Background technology
due to thin and long shafts part poor rigidity, in process, easily produce vibrations and distortion, be difficult to guarantee geometric accuracy and the surface roughness of workpiece, in conventional machining process, often use the cutting force of follow-rest counteracting, the method that adopts handling repeatedly to repeat fine grinding is eliminated workpiece cutting stress and is out of shape geometric error and the shake line bringing.Traditional cylindrical grinder processing slim class part procedure of processing is loaded down with trivial details, working (machining) efficiency is low, very high to operating personnel's requirement, particularly during grinding notch cuttype thin and long shafts part, handling also can cause the concentricity of workpiece repeatedly, and surface smoothness also can not be guaranteed.
Summary of the invention
the purpose of this utility model is to have the problems referred to above for existing technology, has proposed the numerical control external cylindrical grinding machine that a kind of efficiency is high, precision is high.
the purpose of this utility model can realize by following technical proposal:
this numerical control external cylindrical grinding machine, comprise lathe bed and be located at the headstock on its on lathe bed with chuck, between the described headstock and lathe bed, be provided with servo feed axle one, on described lathe bed, be also provided with the coarse-grinding head and the fine grinding bistrique that lay respectively at headstock front part sides, it is characterized in that, the axis of described fine grinding bistrique is parallel with the axis of the headstock, the axis of described coarse-grinding head and the axes intersect of the headstock, between described fine grinding bistrique and lathe bed, be provided with a servo feed axle two, between described coarse-grinding head and lathe bed, be also provided with a servo feed axle three, on described lathe bed, be also provided with Self-feeding structure and for the auxiliary support structure of supporting workpiece.
headstock below is provided with two servo feed axles one that are parallel to each other, can along workpiece axial direction enterprising advance to, the headstock uses servomotor to drive by Timing Belt, can realize the accurate calibration in stepless time adjustment and optional position and location, chuck on the headstock is high accuracy chuck, and has the function of cutting off self-lock assurance safety.
in above-mentioned numerical control external cylindrical grinding machine, described servo feed axle one comprises slide and drives the servomotor of this slide action, the above-mentioned headstock is located on this slide, the below of described servo feed axle one is provided with one for driving the axis servomotor of servo feed axle one action, described servo feed axle one and axis servomotor are positioned on same vertical plane, and upper and lower parallel distribution.
in above-mentioned numerical control external cylindrical grinding machine, described servo feed axle two comprises slide plate one and is located at the high-precision rolling linear guide one between slide plate one and lathe bed, described slide plate one is connected with slide plate one by high precision ball screw mandrel one, and above-mentioned fine grinding bistrique is located on this slide plate one; Described servo feed axle two comprises slide plate two and is located at the high-precision rolling linear guide two between slide plate two and lathe bed, and described slide plate two-way is crossed high accuracy ball screw two and is connected with slide plate two, and above-mentioned coarse-grinding head is located on this slide plate two.Make coarse-grinding head and fine grinding grinding head center and headstock center contour, the axis of coarse-grinding head and fine grinding bistrique is angled, makes two bistriques to workpiece, carry out grinding simultaneously.
in above-mentioned numerical control external cylindrical grinding machine, described auxiliary support structure comprises to be vertically located at gripper shoe between bistrique of the headstock and fine grinding, to be located at the V-type locating piece that the carrying out on gripper shoe sidewall finely tune up and down and the pinch roller that can rotate around axle center of being located at V-type locating piece top, between described pinch roller and V-type locating piece, be formed for the clamping chamber of clamping workpiece, described clamping Qiang center is concentric with the Clamping Center of the headstock, and described pinch roller is located on a driver element.
in above-mentioned numerical control external cylindrical grinding machine, described driver element comprises that one end is hinged on the swing arm in gripper shoe, and the other end of described swing arm and a cylinder are hinged, and the piston rod of described cylinder is hinged in gripper shoe.
v-type locating piece can be finely tuned up and down, and the center of clamping Qiang center and the headstock is guaranteed with one heart, and V-type locating piece top arranges pinch roller, and major function is by workpiece compacting, increases workpiece rigidity, reduces workpiece deformation and vibrations.Pinch roller is arranged in swing arm, can flexible rotating, and swing arm one end and gripper shoe are hinged, and the other end is connected by cylinder, and Telescopic-cylinder is controlled pinch roller and is unclamped and compress.During grinding, the maintenance relative to bistrique of this auxiliary support structure is static, and the headstock is carried bar work forward, thus the jib-length while reducing workpiece grinding, the rigidity while increasing workpiece grinding.
in above-mentioned numerical control external cylindrical grinding machine, described pinch roller is fixed in swing arm by high-precision bearing.
in above-mentioned numerical control external cylindrical grinding machine, described Self-feeding structure comprises the cross slide being driven by ball screw assembly, of being located on lathe bed and is located at the longitudinal planker being driven by ball screw assembly, on cross slide, between described cross slide and base, by line slideway auxiliary, be connected, between described longitudinal planker and cross slide, by line slideway auxiliary, be connected, the sidepiece of described longitudinal planker is provided with the vertical saddle being driven by ball screw assembly, described vertical saddle with longitudinally between planker, by line slideway auxiliary, be connected, the lower end of described vertical saddle is provided with the manipulator for grabbing workpiece.
this manipulator can carry out workpiece 90 ° of upsets, and manipulator can carry out material loading and blanking action simultaneously, has improved the efficiency of loading and unloading of workpiece.
during work, manipulator picks up the bar work being vertically placed in material stock groove, overturn after 90 ° and be sent in the chuck of the headstock, after completion of processing, manipulator takes off the workpiece machining, and manipulator is sent the blank material having clamped into processing stations, and then manipulator moves to material stock groove position, when the workpiece having machined is inserted to hopper, pick up the blank material of preparing processing, with this, repeat.
compared with prior art, this numerical control external cylindrical grinding machine has the following advantages:
the two bistrique grinding schemes of this machine adopted, during grinding, two bistrique grindings simultaneously, have completed the processing of fine grinding and corase grind when offsetting grinding extruding force, have not only guaranteed machining accuracy but also improved working (machining) efficiency.At machine tool headstock front end, auxiliary support structure is installed, during grinding, auxiliary support structure keeps relative static with bistrique, and the headstock is carried bar forward, thus the jib-length while reducing workpiece grinding, the rigidity while increasing workpiece grinding.Manipulator can be in all around, upper and lower three sides move up, and workpiece can be carried out to 90 ° of upsets, can carry out material loading and blanking action simultaneously, has improved the efficiency of loading and unloading of workpiece.
Accompanying drawing explanation
fig. 1 is the structural representation of a kind of preferred embodiment of providing of the utility model.
fig. 2 is the structural representation of the auxiliary support structure that provides of the utility model.
in figure, 1, lathe bed; 2, the headstock; 3, coarse-grinding head; 4, fine grinding bistrique; 51, gripper shoe; 52, V-type locating piece; 53, pinch roller; 54, swing arm; 55, cylinder; 61, cross slide; 62, longitudinal planker; 63, vertical saddle; 64, manipulator.
The specific embodiment
be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
as shown in Figure 1, this numerical control external cylindrical grinding machine, comprise lathe bed 1 and be located at the headstock 2 on its on lathe bed 1 with chuck, between the headstock 2 and lathe bed 1, be provided with servo feed axle one, on lathe bed 1, be also provided with and lay respectively at the coarse-grinding head 3 of the headstock 2 front part sides and refine bistrique 4.As shown in Figure 1, the axis of fine grinding bistrique 4 is parallel with the axis of the headstock 2, the axes intersect of the axis of coarse-grinding head 3 and the headstock 2, between fine grinding bistrique 4 and lathe bed 1, be provided with a servo feed axle two, between coarse-grinding head 3 and lathe bed 1, be also provided with a servo feed axle three, on lathe bed 1, be also provided with Self-feeding structure and for the auxiliary support structure of supporting workpiece.
the headstock 2 belows are provided with two servo feed axles one that are parallel to each other, can along workpiece axial direction enterprising advance to, the headstock 2 uses servomotor to drive by Timing Belt, can realize the accurate calibration in stepless time adjustment and optional position and location, chuck on the headstock 2 is high accuracy chuck, and has the function of cutting off self-lock assurance safety.
as shown in Figure 1, servo feed axle one comprises slide and drives the servomotor of this slide action, the headstock 2 is located on this slide, the below of servo feed axle one is provided with one for driving the axis servomotor of servo feed axle one action, servo feed axle one and axis servomotor are positioned on same vertical plane, and upper and lower parallel distribution.
as shown in Figure 1, servo feed axle two comprises slide plate one and is located at the high-precision rolling linear guide one between slide plate one and lathe bed, and slide plate one is connected with slide plate one by high precision ball screw mandrel one, refines bistrique 4 and is located on this slide plate one; Servo feed axle two comprises slide plate two and is located at the high-precision rolling linear guide two between slide plate two and lathe bed, and slide plate two-way is crossed high accuracy ball screw two and is connected with slide plate two, and coarse-grinding head 3 is located on this slide plate two.Make coarse-grinding head 3 and fine grinding bistrique 4 centers and the headstock 2 centers contour, the axis of coarse-grinding head 3 and fine grinding bistrique 4 is angled, makes coarse-grinding head 3 and fine grinding bistrique 4 to workpiece, carry out grinding simultaneously.
concrete, as shown in Figure 2, auxiliary support structure comprises to be vertically located at gripper shoe 51 between bistrique 4 of the headstock 2 and fine grinding, to be located at the V-type locating piece 52 that the carrying out on gripper shoe 51 sidewalls finely tune up and down and the pinch roller 53 that can rotate around axle center of being located at V-type locating piece 52 tops, between pinch roller 53 and V-type locating piece 52, be formed for the clamping chamber of clamping workpiece, clamping Qiang center is concentric with the Clamping Center of the headstock 2, and pinch roller 53 is located on a driver element.
in the present embodiment, as shown in Figure 2, driver element comprises that one end is hinged on the swing arm 54 in gripper shoe 51, and the other end of swing arm 54 and a cylinder 55 are hinged, and the piston rod of cylinder 55 is hinged in gripper shoe 51.V-type locating piece 52 can be finely tuned up and down, makes the center of clamping Qiang center and the headstock 2 guarantee that V-type locating piece 52 tops arrange pinch roller 53 with one heart, and major function is by workpiece compacting, increases workpiece rigidity, reduces workpiece deformation and vibrations.Pinch roller 53 is arranged in swing arm 54, can flexible rotating, and swing arm 54 one end and gripper shoe 51 are hinged, and the other end is connected by cylinder 55, and cylinder 55 extension and contraction control pinch rollers 53 unclamp and compress.During grinding, the maintenance relative to bistrique of this auxiliary support structure is static, and the headstock 2 is carried bar work forward, thus the jib-length while reducing workpiece grinding, the rigidity while increasing workpiece grinding.
pinch roller 53 is fixed in swing arm 54 by high-precision bearing.
as shown in Figure 1, Self-feeding structure comprises the cross slide being driven by ball screw assembly, 61 of being located on lathe bed 1 and is located at the longitudinal planker 62 being driven by ball screw assembly, on cross slide 61, between cross slide 61 and base, by line slideway auxiliary, be connected, longitudinally between planker 62 and cross slide 61, by line slideway auxiliary, be connected, longitudinally the sidepiece of planker 62 is provided with the vertical saddle 63 being driven by ball screw assembly,, vertical saddle 63 with longitudinally between planker 62, by line slideway auxiliary, be connected, the lower end of vertical saddle 63 is provided with the manipulator 64 for grabbing workpiece.
this manipulator 64 can carry out workpiece 90 ° of upsets, and manipulator 64 can carry out material loading and blanking action simultaneously, has improved the efficiency of loading and unloading of workpiece.
during work, manipulator 64 picks up the bar work being vertically placed in material stock groove, overturn after 90 ° and be sent in the chuck of the headstock 2, after completion of processing, manipulator 64 takes off the workpiece machining, and manipulator 64 is sent the blank material having clamped into processing stations, and then manipulator 64 moves to material stock groove position, when the workpiece having machined is inserted to hopper, pick up the blank material of preparing processing, with this, repeat.
specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims (7)

1. a numerical control external cylindrical grinding machine, comprise lathe bed (1) and be located at the headstock (2) on its on lathe bed (1) with chuck, between the described headstock (2) and lathe bed (1), be provided with servo feed axle one, on described lathe bed (1), be also provided with the coarse-grinding head (3) and the fine grinding bistrique (4) that lay respectively at the headstock (2) front part sides, it is characterized in that, the axis of described fine grinding bistrique (4) is parallel with the axis of the headstock (2), the axes intersect of the axis of described coarse-grinding head (3) and the headstock (2), between described fine grinding bistrique (4) and lathe bed (1), be provided with a servo feed axle two, between described coarse-grinding head (3) and lathe bed (1), be also provided with a servo feed axle three, on described lathe bed (1), be also provided with Self-feeding structure and for the auxiliary support structure of supporting workpiece.
2. numerical control external cylindrical grinding machine according to claim 1, it is characterized in that, described servo feed axle one comprises slide and drives the servomotor of this slide action, the above-mentioned headstock (2) is located on this slide, the below of described servo feed axle one is provided with one for driving the axis servomotor of servo feed axle one action, described servo feed axle one and axis servomotor are positioned on same vertical plane, and upper and lower parallel distribution.
3. numerical control external cylindrical grinding machine according to claim 1, it is characterized in that, described servo feed axle two comprises slide plate one and is located at the high-precision rolling linear guide one between slide plate one and lathe bed, described slide plate one is connected with slide plate one by high precision ball screw mandrel one, and above-mentioned fine grinding bistrique (4) is located on this slide plate one; Described servo feed axle two comprises slide plate two and is located at the high-precision rolling linear guide two between slide plate two and lathe bed, and described slide plate two-way is crossed high accuracy ball screw two and is connected with slide plate two, and above-mentioned coarse-grinding head (3) is located on this slide plate two.
4. numerical control external cylindrical grinding machine according to claim 3, it is characterized in that, described auxiliary support structure comprises the gripper shoe (51) of being vertically located between the headstock (2) and fine grinding bistrique (4), be located at the V-type locating piece (52) that the carrying out on gripper shoe (51) sidewall finely tune up and down and be located at the pinch roller (53) that can rotate around axle center of V-type locating piece (52) top, between described pinch roller (53) and V-type locating piece (52), be formed for the clamping chamber of clamping workpiece, described clamping Qiang center is concentric with the Clamping Center of the headstock (2), described pinch roller (53) is located on a driver element.
5. numerical control external cylindrical grinding machine according to claim 4, it is characterized in that, described driver element comprises that one end is hinged on the swing arm (54) in gripper shoe (51), the other end of described swing arm (54) and a cylinder (55) are hinged, and the piston rod of described cylinder (55) is hinged in gripper shoe (51).
6. numerical control external cylindrical grinding machine according to claim 5, is characterized in that, described pinch roller (53) is fixed in swing arm (54) by high-precision bearing.
7. according to the numerical control external cylindrical grinding machine described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that, described Self-feeding structure comprises the cross slide being driven by ball screw assembly, (61) of being located on lathe bed (1) and is located at the longitudinal planker (62) being driven by ball screw assembly, on cross slide (61), between described cross slide (61) and base, by line slideway auxiliary, be connected, between described longitudinal planker (62) and cross slide (61), by line slideway auxiliary, be connected, the sidepiece of described longitudinal planker (62) is provided with the vertical saddle (63) being driven by ball screw assembly, described vertical saddle (63) with longitudinally between planker (62), by line slideway auxiliary, be connected, the lower end of described vertical saddle (63) is provided with the manipulator (64) for grabbing workpiece.
CN201320583640.0U 2013-09-22 2013-09-22 Numerically-controlled external cylindrical grinding machine Active CN203460011U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104690610A (en) * 2015-02-03 2015-06-10 郑立新 Cylindrical grinding machine for universal joint cage
CN106312717A (en) * 2016-08-31 2017-01-11 台州北平机床有限公司 Numerical control tool grinding center

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104690610A (en) * 2015-02-03 2015-06-10 郑立新 Cylindrical grinding machine for universal joint cage
CN106312717A (en) * 2016-08-31 2017-01-11 台州北平机床有限公司 Numerical control tool grinding center

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Address after: 317502 Tangxia Industrial Zone, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province

Patentee after: Beiping machine tool (Zhejiang) Co.,Ltd.

Address before: 317502 Tangxia Industrial Zone, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province

Patentee before: TAIZHOU BEIPING MACHINE TOOL Co.,Ltd.

CP01 Change in the name or title of a patent holder