WO2021129417A1 - 一种周面开孔工件的珩磨工装 - Google Patents

一种周面开孔工件的珩磨工装 Download PDF

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Publication number
WO2021129417A1
WO2021129417A1 PCT/CN2020/135724 CN2020135724W WO2021129417A1 WO 2021129417 A1 WO2021129417 A1 WO 2021129417A1 CN 2020135724 W CN2020135724 W CN 2020135724W WO 2021129417 A1 WO2021129417 A1 WO 2021129417A1
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WO
WIPO (PCT)
Prior art keywords
workpiece
peripheral surface
clamping
honing tool
sides
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Application number
PCT/CN2020/135724
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English (en)
French (fr)
Inventor
冯强
任传文
Original Assignee
苏州信能精密机械有限公司
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Publication of WO2021129417A1 publication Critical patent/WO2021129417A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B33/00—Honing machines or devices; Accessories therefor
    • B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B33/00—Honing machines or devices; Accessories therefor
    • B24B33/10—Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation

Definitions

  • the invention relates to a honing tool for a workpiece with a hole on the peripheral surface.
  • Honing is a process in which a honing rod embedded in a honing head is used to finish the finishing surface.
  • the honing machine is mainly used for finishing and super finishing of the inner hole of precision parts.
  • An existing cylindrical workpiece has a number of holes distributed in sequence and evenly spaced on the circumferential surface, and these holes need to be honed. These holes are not on the same plane, but on the circumferential surface. For each hole, it is necessary to make the hole to be machined face up, so that the honing tool can be inserted into the hole from top to bottom for honing. If the workpiece is clamped multiple times to achieve the purpose of the hole to be machined facing up, Therefore, the accuracy requirements of the spacing between the holes cannot be guaranteed.
  • the technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a honing tool for workpieces with holes on the peripheral surface.
  • a honing tool for a workpiece with a peripheral surface opening includes a support frame and a clamping mechanism arranged on the support frame for clamping the workpiece with a peripheral surface opening.
  • the clamping mechanism clamps the peripheral surface opening workpiece and surrounds the workpiece.
  • the honing tooling also includes a driving mechanism that drives the clamping mechanism to rotate to drive the peripheral surface holed workpiece to rotate around its own center line in the horizontal direction, and is used to drive the peripheral surface holed workpiece to rotate on the clamping mechanism
  • the clamping mechanism includes a first clamping component and a second clamping component on both sides, respectively, and the workpiece with a peripheral hole is clamped After that, the first clamping component abuts against and butts with one end of the peripheral surface holed workpiece, and the second clamping component abuts against and butts with the other end of the peripheral surface holed workpiece;
  • the first rotating rod is connected to an end of the first rotating rod close to the second clamping assembly
  • the second clamping assembly includes a rotating and sliding second rotating rod arranged on the support frame, A second abutment plate sleeved on the outer circumference of a side of the second rotating rod close to the first clamping assembly and threadedly connected with the second abutment plate
  • the first abutment plate is in the shape of a disc
  • the stabilizing mechanism includes openings on the circumferential surface of the first abutment plate A plurality of arc-shaped slots, a ball-head stabilizer that can be engaged with the arc-shaped slot, the ball-head stabilizer is arranged to slide relative to the support frame, and the stabilization mechanism also includes a tendency to push the ball-head stabilizer to move so that the ball
  • the head stabilizer is a pusher in which the arc-shaped slot is clamped
  • the driving mechanism includes a servo motor that can be detachably connected between the power output shaft and the first clamp
  • the honing tool also includes a pushing mechanism that drives the servo motor to move to the first position or the second position;
  • the support frame includes a fixed frame and a rotation
  • the floating frame is set on the fixed frame, and the clamping mechanism is set on the floating frame.
  • the peripheral surface holed workpiece passes The floating of the floating frame can deflection relative to the honing tool;
  • the fixed frame includes a first bottom plate at the bottom, and a first vertical plate fixedly connected to the left and right sides of the first bottom plate.
  • the floating frame includes a closed-loop connecting piece that is rotatably connected to the first vertical plate on both sides through a first rotating shaft on the corresponding two sides, and is rotatably connected to the other two sides of the closed-loop connecting piece through a second rotating shaft.
  • the rotating frame, the clamping mechanism is arranged on the rotating frame; the extension directions of the first rotating shaft and the second rotating shaft are parallel to the horizontal direction, and the axis extension line of the first rotating shaft and the axis extension line of the second rotating shaft are arranged perpendicularly;
  • the frame includes a second vertical plate located on both sides and respectively rotatably connected to both sides of the closed-loop connecting member by a second rotating shaft, and a second bottom plate fixedly connected to the lower end of the second vertical plate on both sides. After clamping, the peripheral surface is open The workpiece is located above the upper surface of the second bottom plate and within the closed loop of the closed loop connecting piece.
  • a honing tool for a workpiece with a peripheral surface opening includes a support frame and a clamping mechanism arranged on the support frame for clamping the workpiece with a peripheral surface opening.
  • the clamping mechanism clamps the peripheral surface opening workpiece and surrounds the workpiece.
  • the honing tooling also includes a driving mechanism that drives the clamping mechanism to rotate to drive the peripheral surface holed workpiece to rotate around its own center line in the horizontal direction, and is used to drive the peripheral surface holed workpiece to rotate on the clamping mechanism
  • a stabilizing mechanism for stabilizing the clamping mechanism after a predetermined angle to stabilize the workpiece with a hole on the peripheral surface.
  • the clamping mechanism includes a first clamping assembly and a second clamping assembly located on two sides, respectively.
  • the first clamping assembly abuts and butts with one end of the peripheral hole-opening workpiece
  • the second clamping component abuts against the other end of the workpiece with a hole on the peripheral surface.
  • the first clamping assembly includes a rotating first rotating rod provided on the support frame, a first abutting plate connected to an end of the first rotating rod close to the second clamping assembly, and the second clamping assembly It comprises a rotating and sliding second rotating rod arranged on the supporting frame, and a second abutting plate sleeved on the outer periphery of one side of the second rotating rod close to the first clamping assembly and screwed and connected with the second rotating rod.
  • the first abutting plate is in the shape of a disc
  • the stabilizing mechanism includes a plurality of arc-shaped grooves opened on the circumferential surface of the first abutting plate, and a ball head stabilizer that can be engaged with the arc-shaped grooves, and the ball head is stable.
  • the stabilizing device is arranged to slide relative to the support frame, and the stabilizing mechanism further includes a pushing member that tends to push the ball head stabilizing member to move so that the ball head stabilizing member is clamped with the arc-shaped slot.
  • the driving mechanism includes a servo motor that is detachably docked between the power output shaft and the first clamping assembly through a coupling mechanism, and the servo motor has a first position where the power output shaft is docked with the first clamping assembly, and the power output shaft and the first clamping assembly are docked. A second position far away from the clamping assembly, and the honing tool further includes a pushing mechanism that drives the servo motor to move to the first position or the second position.
  • the support frame includes a fixed frame and a floating frame rotatably arranged on the fixed frame.
  • the clamping mechanism is arranged on the floating frame.
  • the fixed frame includes a first bottom plate at the bottom, and first vertical plates fixedly connected to the left and right sides of the first bottom plate, and the floating frame is rotatably connected to the upper part of the first vertical plates on both sides through the first rotating shaft.
  • the floating frame includes a closed-loop connecting member that is rotatably connected to the first vertical plates on both sides by a first rotating shaft, and a rotating frame that is rotatably connected to the other two sides of the closed-loop connecting member by a second rotating shaft.
  • the mechanism is arranged on the rotating frame.
  • the extension directions of the first rotating shaft and the second rotating shaft are parallel to the horizontal direction, and the axial extension line of the first rotating shaft is perpendicular to the axial extension line of the second rotating shaft.
  • the turret includes a second vertical plate located on both sides and rotatably connected to both sides of the closed-loop connecting member through a second rotating shaft, a second bottom plate fixedly connected to the lower end of the second vertical plate on both sides, and the peripheral surface is open. After the hole workpiece is clamped, the peripheral hole workpiece is located above the upper surface of the second bottom plate and within the closed loop of the closed loop connector.
  • the present invention has the following advantages compared with the prior art:
  • the honing tool for the peripheral surface hole workpiece of the present invention can make the peripheral surface hole workpiece clamped on it rotate with the power of the driving mechanism to adjust its circumferential position, so as to gradually replace the pairs of holes on the peripheral surface.
  • the quasi-honing tool bar is used for honing each hole.
  • a stabilizing mechanism can stabilize the peripheral surface of the workpiece at a required position so as to receive honing.
  • the honing tool of the present invention performs honing for multiple holes on the outer peripheral surface of the workpiece.
  • Figure 1 is a schematic diagram of the three-dimensional structure of the honing tool of the present invention (the driving mechanism and the pushing mechanism are omitted):
  • Figure 2 is a schematic diagram of the three-dimensional structure of the honing tool of the present invention (the driving mechanism and the pushing mechanism are omitted):
  • Figure 3 is a schematic side view of the structure of the driving mechanism and the pushing mechanism of the present invention.
  • a honing tool for a peripheral surface holed workpiece 100 includes a support frame, a clamping mechanism arranged on the support frame for clamping the peripheral surface holed workpiece 100, and the clamping mechanism After the circumferential surface holed workpiece 100 is clamped and the circumferential surface holed workpiece 100 undergoes honing processing, the circumferential surface length of the circumferential surface holed workpiece 100 extends parallel to the horizontal direction, and the clamping mechanism opens the hole from the circumferential surface of the workpiece 100 The two ends are pressed and clamped, the clamping mechanism is rotatably arranged on the support frame, and the honing tooling also includes a mechanism for driving the clamping mechanism to rotate to drive the peripheral surface hole workpiece 100 to rotate around its centerline in the horizontal direction.
  • the driving mechanism is a stabilizing mechanism for stabilizing the clamping mechanism after the clamping mechanism drives the circumferential surface holed workpiece 100 to rotate a predetermined angle, thereby stabilizing the circum
  • the clamping mechanism includes a first clamping assembly and a second clamping assembly located on two sides respectively. After the peripheral surface holed workpiece 100 is clamped, the first clamping assembly and one end of the peripheral surface holed workpiece 100 abut against and butt, The second clamping assembly abuts and butts against the other end of the workpiece 100 with a peripheral surface opening.
  • the first clamping assembly is rotatably arranged on the support frame, and the second clamping assembly is rotatably and slidably arranged on the support frame. When the second clamping assembly slides, the second clamping assembly can approach or move away from the first clamping assembly Components. When the second clamping assembly is close to the first clamping assembly, the workpiece 100 can be clamped between them for honing. When the second clamping assembly is far away from the first clamping assembly, the workpiece 100 can be removed or replaced Another workpiece 100 is processed.
  • the first clamping assembly includes a rotating first rotating rod 11 provided on the support frame, and a disc-shaped first abutting plate 12 connected to one end of the first rotating rod 11 close to the second clamping assembly.
  • the second clamping assembly includes a rotating and slidable second rotating rod 21 arranged on the support frame, and a disc-shaped disc that is sleeved on the outer periphery of the second rotating rod 21 on the side close to the first clamping assembly and is screw-fitted to it.
  • the second abutment plate 22 The second abutment plate 22.
  • Pushing and pulling the other side of the second rotating rod 21 (the outer end of the second rotating rod 21 is provided with a round handle 23 held by a human hand, and the second rotating rod 21 can be pushed and pulled by grasping the round handle 23) to push the second resistance
  • the plate 22 is far away from or close to the workpiece 100. After pushing the second abutment plate 22 to approach the workpiece 100, the workpiece 100 can be pressed between the first abutment plate 12 and the first abutment plate 12 by tightening the second abutment plate 22 .
  • the stabilization mechanism includes a plurality of arc-shaped grooves 40 opened on the circumferential surface of the disc-shaped first abutment plate 12, a ball head stabilizer 42 that can be engaged with the arc-shaped grooves 40, and a seat body is arranged on the support frame. 41.
  • the ball stabilizer 42 is slidably arranged on the base 41 in the up and down direction, that is, the ball stabilizer 42 realizes sliding relative to the support frame.
  • the stabilizing mechanism also includes a tendency to push the ball stabilizer 42 to move to make the ball stabilizer 42 is a pushing member (a spring, not shown) that is engaged with the arc-shaped slot 40.
  • the number of arc-shaped slots 40 is the same as the number of holes on the circumferential surface of the workpiece 100, and the positions correspond to each other, that is, the driving mechanism drives the first rotating rod 11, the first abutment plate 12, and the workpiece 100 to rotate one by one
  • the ball stabilizer 42 is just aligned with an arc-shaped slot 40, so the ball stabilizer 42 is inserted into the arc-shaped slot 40 under the push of the elastic member, and is engaged with it.
  • the hole on the peripheral surface of the workpiece 100 also extends in the vertical direction and is aligned with the honing tool. The honing tool can be inserted into the hole for honing.
  • the workpiece 100 only receives force in the circumferential direction of the honing tool, so the ball head stabilizer 42
  • the clamping force with the arc-shaped slot 40 is sufficient to keep the workpiece 100 stable.
  • the driving force of the driving mechanism is greater than that of the ball head stabilizer 42 and the arc-shaped card.
  • the clamping force of the groove 40 that is, the first rotating rod 11, the first abutment plate 12 and the workpiece 100 can be rotated, and the ball head end of the ball head stabilizer 42 slides out of the arc-shaped groove 40 and abuts against the first abutment plate.
  • the elastic member On the circumferential surface of 12, during the rotation, the elastic member is compressed. When the next arc-shaped slot 40 corresponds to the ball-head stabilizer 42, the elastic member pushes the ball-head stabilizer 42 and the arc-shaped slot 40 again. Card access.
  • a plurality of fixing pins are provided on the surface where the first abutting plate 12 and the workpiece 100 abut, before clamping the workpiece 100, first align and insert the positioning holes on the end surface of the workpiece 100 with the fixing pins, and then operate the second rotating rod 21.
  • the holes on the circumferential surface of the workpiece 100 correspond to the arc-shaped grooves 40 on the outer circumferential surface of the first abutment plate 12 in a one-to-one correspondence.
  • both the first rotating rod 11 and the second rotating rod 21 are rotatably butted with the support frame through a rotating bearing.
  • the support frame includes a fixed frame and a floating frame rotatably arranged on the fixed frame.
  • the clamping mechanism is arranged on the floating frame.
  • the peripheral surface-opening workpiece 100 When the peripheral surface-opening workpiece 100 is clamped and the honing tool is waiting for the peripheral surface-opening workpiece 100 When inserted into the machining hole, the peripheral surface-opening workpiece 100 can swing relative to the honing tool by the floating of the floating frame.
  • the fixed frame includes a first bottom plate 311 at the bottom, a first vertical plate 312 fixedly connected to the left and right sides of the first bottom plate 311, and the floating frame passes through the first rotating shaft and the upper part of the first vertical plate 312 on both sides. Rotate the connection.
  • the floating frame includes a closed-loop connecting member 33 rotatably connected to the first vertical plates 312 on both sides through a first rotating shaft, and a rotating frame rotatably connected to the other two sides of the closed-loop connecting member 33 through a second rotating shaft.
  • the extension directions of the first rotating shaft and the second rotating shaft are parallel to the horizontal direction, and the axial extension line of the first rotating shaft is perpendicular to the axial extension line of the second rotating shaft.
  • the clamping mechanism is arranged on the turret.
  • the turret includes a second vertical plate 322 rotatably connected to both sides of the closed-loop connector 33 by a second rotating shaft, and lower ends of the second vertical plate 322 fixedly connected to both sides. After the peripheral surface holed workpiece 100 is clamped, the peripheral surface holed workpiece 100 is located above the upper surface of the second bottom plate 321 and is located within the closed loop of the closed loop connector 33.
  • the structure and connection relationship of the closed-loop connecting member 33 of the fixed frame and the floating frame and the rotating frame are set, so that the workpiece 100 clamped thereon can be slightly deflected when the honing tool enters the hole, so that the honing tool can enter the hole smoothly. Inside, it avoids the occurrence of tool breakage, eccentricity and scrapping of the workpiece 100.
  • the drive mechanism includes a servo motor 51 that is detachably docked between the power output shaft and the first clamping assembly through a coupling mechanism.
  • the servo motor 51 has a first position where the power output shaft is docked with the first clamping assembly and a power output.
  • the honing tool further includes a pushing mechanism that drives the servo motor 51 to move to the first position or the second position.
  • the docking assembly includes a first connecting chuck 13 and a second connecting chuck 50 fixedly connected to the power output shaft of the servo motor 51 and the end of the first rotating rod 11 respectively.
  • the first connecting chuck 13 and the second connecting chuck 50 are engaged in a radial direction, so that the rotation of the power output shaft of the servo motor 51 can drive the first rotating rod 11, the first abutting plate 12 and the workpiece 100 to rotate;
  • the pushing mechanism is an air cylinder 52, and the base of the servo motor 51 is slidably arranged on the slide rail 501, and the air cylinder 52 pushes or pulls the servo motor 51 to the first position or the second position on the slide rail 501;
  • the servo motor 51 needs to be moved to the first position, so that the rotation of the power output shaft of the servo motor 51 can drive the rotation of the first clamping assembly, thereby driving
  • the workpiece 100 rotates to adjust the position; when the position of the workpiece 100 is changed for processing, the servo motor 51 needs to be moved to the second position, that is, the power output shaft of the servo motor 51 is disconnected from the first clamping assembly to avoid damage to the floating frame Floating causes interference, thereby ensuring that the workpiece 100 can be deflected so that the honing tool can be inserted smoothly.
  • first bottom plate 311 and the second bottom plate 321 are provided with holes in the middle. Since each hole of the workpiece 100 generally needs to be processed in multiple passes, at least it needs to be roughed and then finished. Therefore, the entire honing tool needs to be replaced. Accepts different processing.
  • the holes in the first bottom plate 311 are convenient to be positioned in processing stations such as roughing and finishing.
  • the holes on the second bottom plate 321 can be provided with stoppers to prevent the workpiece 100 from swinging too much. .
  • the honing tool for the peripheral surface hole workpiece of the present invention can make the peripheral surface hole workpiece clamped to follow the power of the drive mechanism to rotate to adjust its circumferential position, thereby gradually replacing its peripheral surface
  • the holes on the upper part are aligned with the honing tool bar in order to perform honing processing on each hole.
  • the peripheral surface opening workpiece can be stabilized at the required position by the stabilizing mechanism to accept the honing processing.
  • the honing tool of the present invention is aimed at more than the outer surface of the workpiece. When a hole is honing, there is no need to clamp the workpiece multiple times. The position can be changed only by rotating the clamping mechanism through the driving mechanism to drive the workpiece to rotate, avoiding multiple clampings that affect the work efficiency and improving the processing of the workpiece. quality.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

一种周面开孔工件（100）的珩磨工装，珩磨工装包括支撑架、设于支撑架上用于装夹周面开孔工件的装夹机构，装夹机构将周面开孔工件装夹后且周面开孔工件接受珩磨加工时，周面开孔工件的周面长度延伸方向平行于水平方向，装夹机构从周面开孔工件的两端部对其进行抵压夹紧，装夹机构转动的设于支撑架上，珩磨工装还包括驱动机构、稳定机构。珩磨工装针对工件外周面上的多个孔进行珩磨加工时，无需对工件进行多次装夹，只需通过驱动机构转动装夹机构带动工件转动即可实现位置的更换，避免多次装夹影响工作效率，提高工件加工质量。

Description

一种周面开孔工件的珩磨工装 技术领域
本发明涉及一种周面开孔工件的珩磨工装。
背景技术
珩磨是用镶嵌在珩磨头上的珩磨条对精加工表面进行精整加工的一种工艺，珩磨机主要用于精密零件内孔的精加工、超精加工。现有一款圆柱形工件，其圆周面上依次分布间隔均匀分布有多个孔，且这些孔均需要进行珩磨加工，这些孔并不处于同一平面上，而是处于圆周面上，因此在加工每个孔时，都需要做到被加工的孔孔口朝上，以便珩磨刀具能够从上向下插入孔内进行珩磨，如果对该工件进行多次装夹来实现待加工孔朝上的目的，则无法保证各孔之间间距的精度要求，此外，在待加工孔的孔口朝上后，如何能够让珩磨刀具能够顺利的插入而不产生撞刀及加工偏斜的情况也是需要考虑的问题之一；此外因该工件各孔的径向尺寸具有较高的精度要求，每个孔都至少需要先粗加工再精加工，如果采用多次装夹的方式进行加工，不仅尺寸精度无法保障，而且珩磨加工的效率势必很低，因此提高珩磨加工效率也显得十分重要。
发明内容
本发明所要解决的技术问题是克服现有技术的不足，提供一种周面开孔工件的珩磨工装。
为解决上述技术问题，本发明采取的技术方案如下：
一种周面开孔工件的珩磨工装，珩磨工装包括支撑架、设于支撑架上用于装夹周面开孔工件的装夹机构，装夹机构将周面开孔工件装夹后且周面开孔工件接受珩磨加工时，周面开孔工件的周面长度延伸方向平行于水平方向，装夹机构从周面开孔工件的两端部对其进行抵压夹紧，装夹机构转动的设于支撑架上，珩磨工装还包括驱动装夹机构转动进而带动周面开孔工件绕自身在水平方向上的中心线转动的驱动机构、用于在装夹机构带动周面开孔工件转动既定角度后对装夹机构进行稳定进而使周面开孔工件稳定的稳定机构；装夹机构包括分别位于两侧的第一装夹组件和第二装夹组件，周面开孔工件被装夹后，第一装夹组件与周面开孔工件的一端部抵触对接，第二装夹组件与周面开孔工件的另一端部抵触对接；第一装夹组件包括转动的设于支撑架上的第一转杆、连接在第一转杆的靠近第二装夹组件的一端部上的第一抵挡板，第二装夹组件包括转动且滑动的设于支撑架上的第二转杆、套设在第二转杆的 靠近第一装夹组件的一侧外周并与其螺纹配合连接的第二抵挡板；第一抵挡板呈圆盘状，稳定机构包括开设于第一抵挡板圆周面上的多个弧形卡槽、能够与弧形卡槽配合卡接的球头稳定件，球头稳定件相对支撑架滑动的设置，稳定机构还包括趋向于顶推球头稳定件运动以使球头稳定件与弧形卡槽卡接的顶推件；驱动机构包括动力输出轴与第一装夹组件之间通过结合机构可拆对接的伺服电机，伺服电机具有动力输出轴与第一装夹组件对接的第一位置和动力输出轴与第一装夹组件远离的第二位置，珩磨工装还包括驱动伺服电机运动至第一位置或第二位置的顶推机构；支撑架包括固定架和转动设于固定架上的浮动架，装夹机构设于浮动架上，当周面开孔工件被装夹且珩磨刀具向周面开孔工件的待加工孔内插入时，周面开孔工件通过浮动架的浮动能够相对珩磨刀具发生偏摆；固定架包括位于底部的第一底板、固定连接在第一底板的左右方向两侧的第一立板，浮动架通过第一转轴与两侧的第一立板的上部转动连接；浮动架包括对应两侧分别通过第一转轴与两侧的第一立板转动连接的闭环连接件、与闭环连接件另一对应两侧通过第二转轴转动连接的转动架，装夹机构设于转动架上；第一转轴和第二转轴的延伸方向平行与水平方向，且第一转轴的轴心延伸线与第二转轴的轴心延伸线相垂直设置；转动架包括位于两侧且分别通过第二转轴与闭环连接件两侧转动连接的第二立板、固定连接在两侧的第二立板的下端部的第二底板，周面开孔工件被装夹后，周面开孔工件位于第二底板上表面以上，且位于闭环连接件的闭环以内。
一种周面开孔工件的珩磨工装，珩磨工装包括支撑架、设于支撑架上用于装夹周面开孔工件的装夹机构，装夹机构将周面开孔工件装夹后且周面开孔工件接受珩磨加工时，周面开孔工件的周面长度延伸方向平行于水平方向，装夹机构从周面开孔工件的两端部对其进行抵压夹紧，装夹机构转动的设于支撑架上，珩磨工装还包括驱动装夹机构转动进而带动周面开孔工件绕自身在水平方向上的中心线转动的驱动机构、用于在装夹机构带动周面开孔工件转动既定角度后对装夹机构进行稳定进而使周面开孔工件稳定的稳定机构。
优选地，装夹机构包括分别位于两侧的第一装夹组件和第二装夹组件，周面开孔工件被装夹后，第一装夹组件与周面开孔工件的一端部抵触对接，第二装夹组件与周面开孔工件的另一端部抵触对接。
优选地，第一装夹组件包括转动的设于支撑架上的第一转杆、连接在第一转杆的靠近第二装夹组件的一端部上的第一抵挡板，第二装夹组件包括转动且滑动的设于支撑架上的第二转杆、套设在第二转杆的靠近第一装夹组件的一侧外周并与其螺纹配合连接的第二抵挡板。
优选地，第一抵挡板呈圆盘状，稳定机构包括开设于第一抵挡板圆周面上的多个弧形卡槽、能够与弧形卡槽配合卡接的球头稳定件，球头稳定件相对支撑架滑动的设置，稳定机构 还包括趋向于顶推球头稳定件运动以使球头稳定件与弧形卡槽卡接的顶推件。
优选地，驱动机构包括动力输出轴与第一装夹组件之间通过结合机构可拆对接的伺服电机，伺服电机具有动力输出轴与第一装夹组件对接的第一位置和动力输出轴与第一装夹组件远离的第二位置，珩磨工装还包括驱动伺服电机运动至第一位置或第二位置的顶推机构。
优选地，支撑架包括固定架和转动设于固定架上的浮动架，装夹机构设于浮动架上，当周面开孔工件被装夹且珩磨刀具向周面开孔工件的待加工孔内插入时，周面开孔工件通过浮动架的浮动能够相对珩磨刀具发生偏摆。
优选地，固定架包括位于底部的第一底板、固定连接在第一底板的左右方向两侧的第一立板，浮动架通过第一转轴与两侧的第一立板的上部转动连接。
优选地，浮动架包括对应两侧分别通过第一转轴与两侧的第一立板转动连接的闭环连接件、与闭环连接件另一对应两侧通过第二转轴转动连接的转动架，装夹机构设于转动架上。
优选地，第一转轴和第二转轴的延伸方向平行与水平方向，且第一转轴的轴心延伸线与第二转轴的轴心延伸线相垂直设置。
优选地，转动架包括位于两侧且分别通过第二转轴与闭环连接件两侧转动连接的第二立板、固定连接在两侧的第二立板的下端部的第二底板，周面开孔工件被装夹后，周面开孔工件位于第二底板上表面以上，且位于闭环连接件的闭环以内。
由于以上技术方案的实施，本发明与现有技术相比具有如下优点：
本发明的周面开孔工件的珩磨工装，能够使装夹其上的周面开孔工件跟随驱动机构的动力进行转动以调节其周向所在位置，从而逐步更换其周面上的各孔对准珩磨刀杆以便对各孔进行珩磨加工，另外通过稳定机构能够使周面开孔工件稳定在需要的位置以便接受珩磨加工，本发明的珩磨工装针对工件外周面上的多个孔进行珩磨加工时，无需对工件进行多次装夹，只需通过驱动机构转动装夹机构带动工件转动即可做到位置的更换，避免多次装夹影响工作效率，也提高了工件加工质量。
附图说明
图1为本发明的珩磨工装的立体结构示意图(驱动机构、顶推机构略去)：
图2为本发明的珩磨工装的立体结构示意图(驱动机构、顶推机构略去)：
图3为本发明的驱动机构及顶推机构的侧视结构示意图；
其中：100、工件；11、第一转杆；12、第一抵挡板；13、第一连接卡盘；21、第二转杆；22、第二抵挡板；23、圆柄；311、第一底板；312、第一立板；321、第一底板；322、第二立板；33、闭环连接件；40、弧形卡槽；41、座体；42、球头稳定件；50、第二连接卡 盘；51、伺服电机；501、滑轨；52、气缸。
具体实施方式
下面结合附图和具体的实施例对本发明做进一步详细的说明。
如图1至图3所示，一种周面开孔工件100的珩磨工装，珩磨工装包括支撑架、设于支撑架上用于装夹周面开孔工件100的装夹机构，装夹机构将周面开孔工件100装夹后且周面开孔工件100接受珩磨加工时，周面开孔工件100的周面长度延伸方向平行于水平方向，装夹机构从周面开孔工件100的两端部对其进行抵压夹紧，装夹机构转动的设于支撑架上，珩磨工装还包括驱动装夹机构转动进而带动周面开孔工件100绕自身在水平方向上的中心线转动的驱动机构、用于在装夹机构带动周面开孔工件100转动既定角度后对装夹机构进行稳定进而使周面开孔工件100稳定的稳定机构。
装夹机构包括分别位于两侧的第一装夹组件和第二装夹组件，周面开孔工件100被装夹后，第一装夹组件与周面开孔工件100的一端部抵触对接，第二装夹组件与周面开孔工件100的另一端部抵触对接。第一装夹组件转动的设于支撑架上，第二装夹组件转动且滑动的设于支撑架上，当第二装夹组件滑动时，第二装夹组件能够靠近或远离第一装夹组件。第二装夹组件靠近第一装夹组件时可以将工件100夹紧在二者之间以便进行珩磨加工，第二装夹组件远离第一装夹组件时，则可以将工件100取下或者更换另一块工件100进行加工。
具体地，第一装夹组件包括转动的设于支撑架上的第一转杆11、连接在第一转杆11的靠近第二装夹组件的一端部上的圆盘状第一抵挡板12，第二装夹组件包括转动且滑动的设于支撑架上的第二转杆21、套设在第二转杆21的靠近第一装夹组件一侧外周并与其螺纹配合连接的圆盘状第二抵挡板22。推拉第二转杆21(第二转杆21的外端部上设置有人手握持的圆柄23，抓住圆柄23就可以推拉第二转杆21)的另一侧可以推动第二抵挡板22远离或靠近工件100，在推动第二抵挡板22靠近工件100之后，则可以通过旋紧第二抵挡板22，将工件100抵紧在第一抵挡板12和第一抵挡板12之间。
稳定机构包括开设于圆盘状的第一抵挡板12圆周面上的多个弧形卡槽40、能够与弧形卡槽40配合卡接的球头稳定件42，支撑架上设置一个座体41，球头稳定件42沿上下方向滑动的设置在座体41上，即球头稳定件42实现相对支撑架滑动，稳定机构还包括趋向于顶推球头稳定件42运动以使球头稳定件42与弧形卡槽40卡接的顶推件(为弹簧，未示出)。弧形卡槽40的个数与工件100的周面上开的孔的个数相同，且位置一一对应，即在驱动机构带动第一转杆11、第一抵挡板12及工件100转动一个既定的角度之后，球头稳定件42刚好与一个弧形卡槽40对齐，所以球头稳定件42就在弹性件的顶推下插入弧形卡槽40并 与之配合卡接，而且这时工件100周面上的孔也恰好沿竖直方向延伸并与珩磨刀具对齐，珩磨刀具能够插入孔内进行珩磨，珩磨过程中工件100只是在珩磨刀具的圆周方向受力，因此球头稳定件42与弧形卡槽40的卡接力足以让工件100保持稳定，在一个孔加工完成之后，需转动工件100加工其上另一个孔时，驱动机构的驱动力大于球头稳定件42与弧形卡槽40的卡接力，即第一转杆11、第一抵挡板12及工件100能够被转动，球头稳定件42的球头端部从弧形卡槽40滑出并抵触在第一抵挡板12的圆周面上，转动过程中，弹性件被压缩，在转动至下一个弧形卡槽40与球头稳定件42对应时，弹性件再次顶推球头稳定件42与弧形卡槽40卡接。
另外，第一抵挡板12与工件100对接的表面上设置多个固定销，装夹工件100之前，先将工件100端面上的定位孔与固定销对准并插接，然后操作第二转杆21使第二抵挡板22将工件100抵紧，工件100被装夹后能够准确的定位在第一抵挡板12和第二抵挡板22之间；即可以做到在工件100被装夹之后，工件100周面上的各孔与第一抵挡板12外周面上的各弧形卡槽40一一对应。另外，第一转杆11和第二转杆21均通过转动轴承与支撑架转动对接。
进一步地，支撑架包括固定架和转动设于固定架上的浮动架，装夹机构设于浮动架上，当周面开孔工件100被装夹且珩磨刀具向周面开孔工件100的待加工孔内插入时，周面开孔工件100通过浮动架的浮动能够相对珩磨刀具发生偏摆。具体地，固定架包括位于底部的第一底板311、固定连接在第一底板311的左右方向两侧的第一立板312，浮动架通过第一转轴与两侧的第一立板312的上部转动连接。浮动架包括对应两侧分别通过第一转轴与两侧的第一立板312转动连接的闭环连接件33、与闭环连接件33另一对应两侧通过第二转轴转动连接的转动架。此外，第一转轴和第二转轴的延伸方向平行与水平方向，且第一转轴的轴心延伸线与第二转轴的轴心延伸线相垂直设置。
装夹机构设于转动架上，转动架包括位于两侧且分别通过第二转轴与闭环连接件33两侧转动连接的第二立板322、固定连接在两侧的第二立板322的下端部的第二底板321，周面开孔工件100被装夹后，周面开孔工件100位于第二底板321上表面以上，且位于闭环连接件33的闭环以内。
通过固定架、浮动架的闭环连接件33与转动架的结构及连接关系设置，使得装夹其上的工件100能够在珩磨刀具进入孔内时，进行轻微偏摆，以便于珩磨刀具顺利进入孔内，避免刀具折断或工件100加工偏心、报废等现象发生。
本例中，驱动机构包括动力输出轴与第一装夹组件之间通过结合机构可拆对接的伺服电 机51，伺服电机51具有动力输出轴与第一装夹组件对接的第一位置和动力输出轴与第一装夹组件远离的第二位置，珩磨工装还包括驱动伺服电机51运动至第一位置或第二位置的顶推机构。
对接组件包括分别与伺服电机51的动力输出轴和第一转杆11的端部固定连接的第一连接卡盘13和第二连接卡盘50，伺服电机51运动至第一位置时，第一连接卡盘13和第二连接卡盘50配合在径向卡接，从而伺服电机51的动力输出轴转动能够带动第一转杆11、第一抵挡板12及工件100转动；
在本例中，顶推机构为气缸52，且伺服电机51的底座滑动的设于滑轨501上，气缸52推动或拉动伺服电机51在滑轨501上滑动至第一位置或第二位置；当需要调整周面开孔工件100的位置以更换另一个孔进行珩磨时，需要使伺服电机51运动至第一位置，从而伺服电机51动力输出轴转动能够带动第一装夹组件转动，进而带动工件100转动以调整位置；当工件100位置更换完毕进行加工时，需要使伺服电机51运动至第二位置，即伺服电机51动力输出轴与第一装夹组件脱离对接，以避免对浮动架的浮动造成干涉，进而保证工件100能够偏摆以便珩磨刀具顺利插入。
此外，第一底板311和第二底板321的中部均开设有孔，由于工件100每个孔一般都需要经过多道加工，至少需要先粗加工再精加工，因此整个珩磨工装需要更换工位以便接受不同的加工，第一底板311开设的孔便于其被定位在粗加工、精加工等加工工位上，第二底板321上的孔内可以设置挡块，以避免工件100偏摆幅度过大。
综上所述，本发明的周面开孔工件的珩磨工装，能够使装夹其上的周面开孔工件跟随驱动机构的动力进行转动以调节其周向所在位置，从而逐步更换其周面上的各孔对准珩磨刀杆以便对各孔进行珩磨加工，另外通过稳定机构能够使周面开孔工件稳定在需要的位置以便接受珩磨加工，本发明的珩磨工装针对工件外周面上的多个孔进行珩磨加工时，无需对工件进行多次装夹，只需通过驱动机构转动装夹机构带动工件转动即可做到位置的更换，避免多次装夹影响工作效率，也提高了工件加工质量。
以上对本发明做了详尽的描述，其目的在于让熟悉此领域技术的人士能够了解本发明的内容并加以实施，并不能以此限制本发明的保护范围，凡根据本发明的精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围内。

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  1. 一种周面开孔工件的珩磨工装，其特征在于：所述珩磨工装包括支撑架、设于所述支撑架上用于装夹所述周面开孔工件的装夹机构，所述装夹机构将所述周面开孔工件装夹后且所述周面开孔工件接受珩磨加工时，所述周面开孔工件的周面长度延伸方向平行于水平方向，所述装夹机构从所述周面开孔工件的两端部对其进行抵压夹紧，所述装夹机构转动的设于所述支撑架上，所述珩磨工装还包括驱动所述装夹机构转动进而带动所述周面开孔工件绕自身在水平方向上的中心线转动的驱动机构、用于在所述装夹机构带动周面开孔工件转动既定角度后对所述装夹机构进行稳定进而使所述周面开孔工件稳定的稳定机构；所述装夹机构包括分别位于两侧的第一装夹组件和第二装夹组件，所述周面开孔工件被装夹后，所述第一装夹组件与所述周面开孔工件的一端部抵触对接，所述第二装夹组件与所述周面开孔工件的另一端部抵触对接；所述第一装夹组件包括转动的设于所述支撑架上的第一转杆、连接在所述第一转杆的靠近第二装夹组件的一端部上的第一抵挡板，所述第二装夹组件包括转动且滑动的设于所述支撑架上的第二转杆、套设在所述第二转杆的靠近所述第一装夹组件的一侧外周并与其螺纹配合连接的第二抵挡板；所述第一抵挡板呈圆盘状，所述稳定机构包括开设于所述第一抵挡板圆周面上的多个弧形卡槽、能够与所述弧形卡槽配合卡接的球头稳定件，所述球头稳定件相对所述支撑架滑动的设置，所述稳定机构还包括趋向于顶推所述球头稳定件运动以使所述球头稳定件与弧形卡槽卡接的顶推件；所述驱动机构包括动力输出轴与所述第一装夹组件之间通过结合机构可拆对接的伺服电机，所述伺服电机具有动力输出轴与所述第一装夹组件对接的第一位置和动力输出轴与所述第一装夹组件远离的第二位置，所述珩磨工装还包括驱动所述伺服电机运动至第一位置或第二位置的顶推机构；所述支撑架包括固定架和转动设于所述固定架上的浮动架，所述装夹机构设于所述浮动架上，当所述周面开孔工件被装夹且珩磨刀具向所述周面开孔工件的待加工孔内插入时，所述周面开孔工件通过所述浮动架的浮动能够相对所述珩磨刀具发生偏摆；所述固定架包括位于底部的第一底板、固定连接在所述第一底板的左右方向两侧的第一立板，所述浮动架通过第一转轴与两侧的所述第一立板的上部转动连接；所述浮动架包括对应两侧分别通过所述第一转轴与两侧的所述第一立板转动连接的闭环连接件、与所述闭环连接件另一对应两侧通过第二转轴转动连接的转动架，所述装夹机构设于所述转动架上；所述第一转轴和所述第二转轴的延伸方向平行与水平方向，且所述第一转轴的轴心延伸线与第二转轴的轴心延伸线相垂直设置；所述转动架包括位于两侧且分别通过所述第二转轴与所述闭环连接件两侧转动连接的第二立板、固定连接在两侧的所述第二立板的下端部的第二底板，所述周面开孔工件被装夹后，所述周面开孔工件 位于所述第二底板上表面以上，且位于所述闭环连接件的闭环以内。
  2. 一种周面开孔工件的珩磨工装，其特征在于：所述珩磨工装包括支撑架、设于所述支撑架上用于装夹所述周面开孔工件的装夹机构，所述装夹机构将所述周面开孔工件装夹后且所述周面开孔工件接受珩磨加工时，所述周面开孔工件的周面长度延伸方向平行于水平方向，所述装夹机构从所述周面开孔工件的两端部对其进行抵压夹紧，所述装夹机构转动的设于所述支撑架上，所述珩磨工装还包括驱动所述装夹机构转动进而带动所述周面开孔工件绕自身在水平方向上的中心线转动的驱动机构、用于在所述装夹机构带动周面开孔工件转动既定角度后对所述装夹机构进行稳定进而使所述周面开孔工件稳定的稳定机构。
  3. 根据权利要求2所述的周面开孔工件的珩磨工装，其特征在于：所述装夹机构包括分别位于两侧的第一装夹组件和第二装夹组件，所述周面开孔工件被装夹后，所述第一装夹组件与所述周面开孔工件的一端部抵触对接，所述第二装夹组件与所述周面开孔工件的另一端部抵触对接。
  4. 根据权利要求3所述的周面开孔工件的珩磨工装，其特征在于：所述第一装夹组件包括转动的设于所述支撑架上的第一转杆、连接在所述第一转杆的靠近第二装夹组件的一端部上的第一抵挡板，所述第二装夹组件包括转动且滑动的设于所述支撑架上的第二转杆、套设在所述第二转杆的靠近所述第一装夹组件的一侧外周并与其螺纹配合连接的第二抵挡板。
  5. 根据权利要求4所述的周面开孔工件的珩磨工装，其特征在于：所述第一抵挡板呈圆盘状，所述稳定机构包括开设于所述第一抵挡板圆周面上的多个弧形卡槽、能够与所述弧形卡槽配合卡接的球头稳定件，所述球头稳定件相对所述支撑架滑动的设置，所述稳定机构还包括趋向于顶推所述球头稳定件运动以使所述球头稳定件与弧形卡槽卡接的顶推件。
  6. 根据权利要求3所述的周面开孔工件的珩磨工装，其特征在于：所述驱动机构包括动力输出轴与所述第一装夹组件之间通过结合机构可拆对接的伺服电机，所述伺服电机具有动力输出轴与所述第一装夹组件对接的第一位置和动力输出轴与所述第一装夹组件远离的第二位置，所述珩磨工装还包括驱动所述伺服电机运动至第一位置或第二位置的顶推机构。
  7. 根据权利要求2所述的周面开孔工件的珩磨工装，其特征在于：所述支撑架包括固定架和转动设于所述固定架上的浮动架，所述装夹机构设于所述浮动架上，当所述周面开孔工件被装夹且珩磨刀具向所述周面开孔工件的待加工孔内插入时，所述周面开孔工件通过所述浮动架的浮动能够相对所述珩磨刀具发生偏摆。
  8. 根据权利要求7所述的周面开孔工件的珩磨工装，其特征在于：所述固定架包括位 于底部的第一底板、固定连接在所述第一底板的左右方向两侧的第一立板，所述浮动架通过第一转轴与两侧的所述第一立板的上部转动连接。
  9. 根据权利要求8所述的周面开孔工件的珩磨工装，其特征在于：所述浮动架包括对应两侧分别通过所述第一转轴与两侧的所述第一立板转动连接的闭环连接件、与所述闭环连接件另一对应两侧通过第二转轴转动连接的转动架，所述装夹机构设于所述转动架上。
  10. 根据权利要求9所述的周面开孔工件的珩磨工装，其特征在于：所述第一转轴和所述第二转轴的延伸方向平行与水平方向，且所述第一转轴的轴心延伸线与第二转轴的轴心延伸线相垂直设置。
  11. 根据权利要求9所述的周面开孔工件的珩磨工装，其特征在于：所述转动架包括位于两侧且分别通过所述第二转轴与所述闭环连接件两侧转动连接的第二立板、固定连接在两侧的所述第二立板的下端部的第二底板，所述周面开孔工件被装夹后，所述周面开孔工件位于所述第二底板上表面以上，且位于所述闭环连接件的闭环以内。
PCT/CN2020/135724 2019-12-26 2020-12-11 一种周面开孔工件的珩磨工装 WO2021129417A1 (zh)

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