CN208342573U - The lathe driving device of the fixed workpiece of the outer swelled of interior drawing - Google Patents

The lathe driving device of the fixed workpiece of the outer swelled of interior drawing Download PDF

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Publication number
CN208342573U
CN208342573U CN201820925333.9U CN201820925333U CN208342573U CN 208342573 U CN208342573 U CN 208342573U CN 201820925333 U CN201820925333 U CN 201820925333U CN 208342573 U CN208342573 U CN 208342573U
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China
Prior art keywords
driving
headstock spindle
workpiece
cavity
fixed
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CN201820925333.9U
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Chinese (zh)
Inventor
王君昌
孙宝
马海鸥
陈珅
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SHAANXI QINCHUAN GRINDING MACHINE CO Ltd
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SHAANXI QINCHUAN GRINDING MACHINE CO Ltd
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Abstract

The lathe driving device that the fixed workpiece of outer swelled is drawn in one kind is provided, including the axle sleeve being fixed on lathe shell, rotation is supported by headstock spindle in bore sleeve, be equipped with inside headstock spindle axially through mesoporous inner cavity, it stretches out on the headstock spindle front end face of bore sleeve one end and is fixed with the top body of a frame, the head top body front of frame, which is equipped with, spreading or to shrink the Tensioning structure of axle housing workpiece end bore area clamp or release, and the inner driving device of the automatic spreading of driving Tensioning structure or contraction is equipped in the mesoporous inner cavity of headstock spindle.The utility model drives Tensioning structure spreading by inner driving device automatically or withdraws sight to inner hole of workpiece tensioner or release, then workpiece rotation is moved by headstock spindle rotating belt, to be processed to the outer circle of axle housing, end face and circular arc, high degree of automation, it does not need manually to dismount axle housing workpiece, it saves human and material resources, improves machine tooling efficiency.

Description

The lathe driving device of the fixed workpiece of the outer swelled of interior drawing
Technical field
The utility model category machine tooling technical field, and in particular to the lathe of the fixed workpiece of outer swelled is drawn to drive in a kind of Dynamic device.
Background technique
Axle housing base part is the assembly matrix for installing main reducing gear, differential mechanism, semiaxis, wheel, is both the weight of drive axle Wanting component part again is one of main component parts of running gear.Driving axle housing should have enough strength and stiffness, convenient for each thereon The dismounting and adjustment of component, so this kind of design of part of axle housing is just more complicated, processing is got up also just relatively difficult.Wherein, bridge Shell grinding machine under normal circumstances grips axle housing end using outer circle collet, passes through driving lever when being ground axle shell Workpiece rotation is stirred, realizes the processing to axle housing.To the fixed form of axle housing on existing this lathe, when workpiece loading and unloading, needs Collet is manually dismantled, processing efficiency is influenced.The driving device for clamping workpiece on a kind of lathe automatically is designed thus, is to improve The preferred approach of grinding machine processing axle housing efficiency.It is therefore desirable to propose to improve.
Utility model content
The technical problem solved by the utility model is:to provide the lathe driving device for drawing outer swelled fixation workpiece in one kind, The utility model drives Tensioning structure spreading by inner driving device automatically or withdraws the tensioner or release realized to inner hole of workpiece, Then workpiece rotation is moved by headstock spindle rotating belt, to process to the outer circle of axle housing, end face and circular arc, automates journey Degree is high, does not need manually to dismount axle housing workpiece, save human and material resources, and improves machine tooling efficiency.
The technical solution adopted in the utility model: the lathe driving device of the fixed workpiece of the outer swelled of interior drawing, including fixation Axle sleeve on lathe shell, rotation is supported by headstock spindle in the bore sleeve, is equipped with inside the headstock spindle axial The mesoporous inner cavity of perforation is stretched out on the headstock spindle front end face of bore sleeve one end and is fixed with the top body of a frame, head frame top Sharp body front, which is equipped with, spreading or to shrink the Tensioning structure of axle housing workpiece end bore area clamp or release, the head frame master The inner driving device of the automatic spreading of driving Tensioning structure or contraction is equipped in the mesoporous inner cavity of axis.
Wherein, the Tensioning structure includes multiple tightening pieces, and it is nested respectively that the multiple tightening piece is arranged into circular configuration In multiple mounting grooves of the top body front end circumference arrangement of the head frame, described be arranged into outside circular multiple tightening pieces is led to Tightening ring is crossed to entangle;The inner driving device includes cone bar, pull rod and angling cylinder, and described cone bar path one end passes through head frame top It is protruded into after sharp body centre bore in the mesoporous inner cavity of headstock spindle, the pyramidal structure of described cone bar major diameter one end is stuck in tightening piece and is formed Circular configuration inner hole in and make the pyramidal structure of major diameter one end that tightening piece diameter be driven to rise outward reality as the axial direction of cone bar moves to left The now clamping to axle housing workpiece end bore area eliminates major diameter one end pyramidal structure to rising as taper rod shaft moves right The expanding force of tight block and the withdrawal that tightening piece is realized under the action of tightening ring, it is another that bore sleeve is stretched out in the headstock spindle rear end One end and it is fixed with the follower that driving head frame main axis is connected to motor thereon, it is fixed on the headstock spindle rear end face It is connected with angling cylinder, the angling cylinder output end protrudes into the mesoporous inner cavity of headstock spindle and by pull rod and cone bar path One end connects and realizes driving taper rod shaft to movement.
Further, the angling cylinder is fixedly connected by transition disc with headstock spindle rear end face.
Further, the transition plate-like being fixedly connected with headstock spindle front end face is made in the top body rear end of the head frame.
Further, the headstock spindle is rotatably supported in bore sleeve by rolling bearing.
The utility model compared with prior art the advantages of:
1, in this programme when processing axle housing, installation outer circle collet is not needed, need to only be driven automatically by inner driving device Tensioning structure spreading or withdraw realizes to the tensioner or release of inner hole of workpiece, is then revolved by headstock spindle rotating belt part of starting building Turn, to be processed to the outer circle of axle housing, end face and circular arc, high degree of automation, does not need manually to axle housing workpiece It is dismounted, improves machine tooling efficiency;
2, inner driving device is driven using angling cylinder in this programme, drives taper rod shaft to mobile realization pair by pull rod The driving of Tensioning structure, structure is simple, convenient processing and manufacture.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
1 the embodiments of the present invention are described with reference to the accompanying drawing.
The lathe driving device of the fixed workpiece of the outer swelled of interior drawing, as shown in Figure 1, including the axis being fixed on lathe shell Set 2 has a headstock spindle 1 by 11 rotational support of rolling bearing in 2 inner cavity of axle sleeve, equipped with axis inside the headstock spindle 1 To the mesoporous inner cavity 101 of perforation.The top body of a frame is fixed on the front end face of the stretching of headstock spindle 12 inner cavity one end of axle sleeve 3, the top 3 rear end diameter of body of head frame is big and the transition plate-like being fixedly connected with 1 front end face of headstock spindle by screw is made 301.Top 3 front of body of head frame is small and is in cone structure, and being equipped in top 3 front of body of head frame spreading or can shrink axle housing The Tensioning structure of 12 end bore area clamp or release of workpiece, specifically, the Tensioning structure includes multiple shapes in circular arc The tightening piece 4 of shape uses 8 tightening pieces 4 in the present embodiment, corresponds to and add on the cone structure of top 3 front of body of head frame Work has eight mounting grooves 302 of cylindrical arrangement, and 8 tightening pieces 4 are nested in 8 of top 3 front end of body of a frame respectively It is set to be combined into circular configuration in mounting groove 302, the inner arc surface of each tightening piece 4 stretches out 302 inner port of mounting groove and is placed in head In the central bore of the top body 3 of frame, the exterior arc surface of each tightening piece 4 stretches out 302 external port of mounting groove, and the tightening piece 4 exists It is installed as clearance fit in mounting groove 302, guarantees that tightening piece 4 can be moved radially smoothly in mounting groove 302, it is described It is arranged into outside circular 8 tightening pieces 4 and is entangled by tightening ring 5, tightening ring 5 is used not only for the withdrawal of tightening piece 4, Er Qieke To prevent tightening piece 4 from skidding off from mounting groove 302.
The interior driving dress of the automatic spreading of driving Tensioning structure or contraction is equipped in the mesoporous inner cavity 101 of the headstock spindle 1 It sets.Specifically, as shown in Figure 1, the inner driving device includes cone bar 6, pull rod 7 and angling cylinder 9,6 path one of cone bar It holds in the mesoporous inner cavity 101 for protruding into headstock spindle 1 after top 3 centre bore of body of head frame, the taper of described cone 6 major diameter one end of bar Structure is stuck in the circular configuration inner hole of the formation of tightening piece 4, and makes to bore 6 major diameter one end of bar as the axial direction of cone bar 6 moves to left Pyramidal structure, which squeezes 84 diameters of tightening piece and rises outward, realizes clamping to 12 end bore area of axle housing workpiece, or with cone bar 6 axial move to right squeeze the pyramidal structure elimination of major diameter one end to the expanding force of tightening piece 4, and real under the action of tightening ring 5 The withdrawal of existing tightening piece 4,1 rear end of headstock spindle, which is stretched out the 2 inner cavity other end of axle sleeve and is fixed with thereon, to be connected to motor The follower 8 for driving headstock spindle 1 to rotate, the follower 8 can also be used using the driven gear in gear drive Passive belt wheel in belt transmission, is able to achieve the driving in the utility model to headstock spindle 1.1 rear end of headstock spindle Angling cylinder 9 is fixedly connected on face, the angling cylinder 9 is fixedly connected by transition disc 10 with 1 rear end face of headstock spindle, institute 9 output end of angling cylinder is stated to protrude into the mesoporous inner cavity 101 of headstock spindle 1, described 7 one end of pull rod be connected through a screw thread mode with 9 output end of angling cylinder is fixedly connected, and 7 other end of pull rod is connect also by thread connecting mode with cone 6 path one end of bar, The starting of angling cylinder 9 and the axial movement for realizing cone bar 6 with mantle bar 6 by pull rod 7.
When the utility model is used: being processed axle housing workpiece 12 and be mounted between tailstock center and the top body 3 of head frame, by bridge When the center hole of shell workpiece 12 is mounted on the top body 3 of a frame, angling cylinder 9 starts and pulls cone bar 6 to moving to left by pull rod 7 Dynamic, the pyramidal structure of cone 3 major diameter one end of bar makes 8 tightening pieces 4 radially spreading, the inner hole of tensioner axle housing workpiece 12.Motor is logical Crossing follower 8 drives headstock spindle 1 to rotate, and headstock spindle 1 drives workpiece revolution, it can be achieved that axle housing by cone bar 6 and tightening piece 4 Grinding.After processing is completed, angling cylinder 9 drives pull rod 7 to move backward, thus it is mobile with 6 respective opposed of mantle bar, make 8 A tightening piece 4 is radially retracted by the contraction of shrink-ring 5, has been unclamped 12 inner hole of axle housing workpiece, can manually have been unloaded axle housing work Part.The utility model does not need installation outer circle collet, tensioner knot need to be only driven automatically by inner driving device when processing axle housing Structure spreading withdraws sight to inner hole of workpiece tensioner or release, then workpiece rotation is moved by headstock spindle rotating belt, thus right Outer circle, end face and the circular arc of axle housing are processed, high degree of automation, do not need manually to dismount axle housing workpiece, Improve machine tooling efficiency.
Above-described embodiment, the only preferred embodiment of the utility model are not used to limit the utility model practical range, Therefore all equivalence changes done with content described in the utility model claims, the utility model claims model should all be included in Within enclosing.

Claims (5)

  1. The lathe driving device that the fixed workpiece of outer swelled is drawn in 1., including the axle sleeve (2) being fixed on lathe shell, feature Be: rotating and be supported by headstock spindle (1) in axle sleeve (2) inner cavity, be equipped with inside the headstock spindle (1) axially through Mesoporous inner cavity (101) is stretched out on headstock spindle (1) front end face of axle sleeve (2) inner cavity one end and is fixed with the top body of a frame (3), institute It states the top body of a frame (3) front and is equipped with and spreading or can shrink the tensioner of axle housing workpiece (12) end bore area clamp or release Structure is equipped with the interior driving dress of the automatic spreading of driving Tensioning structure or contraction in the mesoporous inner cavity (101) of the headstock spindle (1) It sets.
  2. 2. the lathe driving device of the fixed workpiece of the outer swelled of interior drawing according to claim 1, it is characterised in that: described to rise Locking structure includes the tightening piece (4) of multiple arc-shapeds, and the multiple tightening piece (4) is combined into circular configuration and is nested in the head respectively It is described to be arranged into circular multiple tightening pieces (4) outside in multiple mounting grooves (302) of the top body of frame (3) front end circumference arrangement It is entangled by tightening ring (5) in portion;The inner driving device includes cone bar (6), pull rod (7) and angling cylinder (9), the cone bar (6) path one end is protruded into the mesoporous inner cavity (101) of headstock spindle (1) after passing through the top body of head frame (3) centre bore, the cone bar (6) conic clamp of major diameter one end makes greatly in the circular configuration inner hole that tightening piece (4) is combined into and as the axial direction of cone bar (6) moves to left Diameter one end pyramidal structure driving tightening piece (4) diameter rise outward realize to the clamping of axle housing workpiece (12) end bore area or with Cone bar (6) axially move to right and make to bore bar (6) major diameter one end pyramidal structure and eliminate to the expanding force of tightening piece (4) and in tightening ring (5) withdrawal of tightening piece (4) is realized under the action of, axle sleeve (2) the inner cavity other end and thereon is stretched out in headstock spindle (1) rear end It is fixed with the follower (8) that driving headstock spindle (1) rotation is connected to motor, is fixed on headstock spindle (1) rear end face It is connected with angling cylinder (9), angling cylinder (9) output end protrudes into the mesoporous inner cavity (101) of headstock spindle (1) and passes through Pull rod (7) connect with cone bar (6) path one end and realizes driving cone bar (6) axial movement.
  3. 3. the lathe driving device of the fixed workpiece of the outer swelled of interior drawing according to claim 2, it is characterised in that: described time Turn oil cylinder (9) and is fixedly connected by transition disc (10) with headstock spindle (1) rear end face.
  4. 4. the lathe driving device of the fixed workpiece of the outer swelled of interior drawing according to claim 1,2 or 3, it is characterised in that: The transition plate-like (301) being fixedly connected with headstock spindle (1) front end face is made in the top body of head frame (3) rear end.
  5. 5. the lathe driving device of the fixed workpiece of the outer swelled of interior drawing according to claim 4, it is characterised in that: the head Frame main shaft (1) is rotatably supported in axle sleeve (2) inner cavity by rolling bearing (11).
CN201820925333.9U 2018-06-14 2018-06-14 The lathe driving device of the fixed workpiece of the outer swelled of interior drawing Active CN208342573U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820925333.9U CN208342573U (en) 2018-06-14 2018-06-14 The lathe driving device of the fixed workpiece of the outer swelled of interior drawing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820925333.9U CN208342573U (en) 2018-06-14 2018-06-14 The lathe driving device of the fixed workpiece of the outer swelled of interior drawing

Publications (1)

Publication Number Publication Date
CN208342573U true CN208342573U (en) 2019-01-08

Family

ID=64883833

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820925333.9U Active CN208342573U (en) 2018-06-14 2018-06-14 The lathe driving device of the fixed workpiece of the outer swelled of interior drawing

Country Status (1)

Country Link
CN (1) CN208342573U (en)

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