CN112318358B - Honing machine capable of automatically feeding square hole workpiece - Google Patents
Honing machine capable of automatically feeding square hole workpiece Download PDFInfo
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- CN112318358B CN112318358B CN202011250112.4A CN202011250112A CN112318358B CN 112318358 B CN112318358 B CN 112318358B CN 202011250112 A CN202011250112 A CN 202011250112A CN 112318358 B CN112318358 B CN 112318358B
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- 230000007246 mechanism Effects 0.000 claims abstract description 144
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a square hole workpiece self-feeding honing machine, which is characterized in that a workpiece clamp mechanism is used for clamping a square hole workpiece on a honing rack in a manner that a square hole to be honed is in a horizontal state, a reciprocating driving mechanism is used for driving a square hole honing bar penetrating into the square hole to be honed to horizontally reciprocate along the axial direction of the square hole to be honed, the square hole to be honed is honed, a horizontal feeding mechanism is used for applying a horizontal feeding force to the side surface of the square hole honing bar, a vertical feeding mechanism is used for applying a vertical feeding force to the top surface of the square hole honing bar, the reciprocating driving mechanism drives the square hole honing bar to horizontally reciprocate along the axial direction of the square hole to be honed through a left and right synchronous horizontal reciprocating motion push-pull plate, and the two push-pull plates respectively act on two ends of the square hole honing bar.
Description
Technical Field
The invention relates to the technical field of honing equipment, in particular to a square hole workpiece self-feeding honing machine.
Background
The honing technology has wide application range, and the application field of the honing technology is in the industries of machine tools, bearings, electronic processing, die processing, instrument and meter processing and the like; the selective application of the honing machine is also of considerable critical importance in honing processes. In addition, it is clear that in all honing processes, all processing holes are round, so that holes with parts are not round like square holes, the matching precision requirement is very high like a rectangular hole of a servo valve, and the matching precision of a valve core is only a few microns, the common machining method can not meet the matching requirement, and the common machining method only adopts a manual honing method to meet the requirement, so that the problem is solved; when a batch of servo valves are required to be machined, rectangular holes of the servo valves are all required to be honed, a honing allowance of 0.05 millimeter is adopted for one hole per day through manual honing, four-side honing of one hole with the hole hardness of HRC55-58 is finished at all, and then a special square hole honing machine with high precision and automatic feeding in the vertical direction and the horizontal direction is required to replace manual operation.
Disclosure of Invention
The invention aims to solve the technical problems that: the square hole workpiece self-feeding honing machine has the advantages that manual operation is replaced, the horizontal and vertical two-direction self-feeding mechanisms are provided, the effect of honing square holes in two directions simultaneously is achieved, time and labor are saved, and the working efficiency is high.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a square hole work piece is from feeding honing machine, including honing frame and the work piece holder mechanism of installing in the honing frame, horizontal feed mechanism, vertical feed mechanism and reciprocating drive mechanism, work piece holder mechanism, be used for with the square hole work piece clamp dress in the honing frame with the square hole that treats honing is the mode of horizontality, reciprocating drive mechanism is used for driving the square hole honing strip that penetrates the square hole of treating honing and transversely reciprocate along the axis direction of treating honing square hole, treat honing square hole and honing, horizontal feed mechanism is used for exerting horizontal feed force to the side of square hole honing strip, vertical feed mechanism is used for exerting vertical feed force to the top surface of square hole honing strip, reciprocating drive mechanism is through controlling two synchronous horizontal reciprocating motion push-and pull plates and is driven the horizontal reciprocating motion of square hole honing strip along the axis direction of treating honing square hole, two push-and pull plates are used in the both ends of square hole honing strip respectively.
Further, the work holder mechanism is specifically an ER collet mechanism.
Further, the horizontal feeding mechanism and the vertical feeding mechanism are spring feeding mechanisms, the spring feeding mechanisms take the spring force of the springs as feeding force, and the feeding force acting on the feeding ejector rods is applied to the square hole honing bars through the feeding ejector rods.
Further, the reciprocating driving mechanism comprises a U-shaped push-pull plate assembly, a linear sliding rail mechanism, a motor and a horizontal reciprocating transmission mechanism, the linear sliding rail mechanism and the motor are arranged on the honing rack, the U-shaped push-pull plate assembly comprises a base plate and push-pull plates positioned on two sides of the base plate, the base plate between the two push-pull plates and the push-pull plates forms a U-shaped structure, the U-shaped push-pull plate assembly is arranged on the linear sliding rail mechanism through the base plate, and the motor drives the U-shaped push-pull plate assembly to horizontally reciprocate along the linear sliding rail mechanism through the horizontal reciprocating transmission mechanism.
Further, the motor is a servo motor, the horizontal reciprocating transmission mechanism is specifically an eccentric wheel rocker mechanism, the eccentric wheel rocker mechanism comprises an eccentric wheel and a rocker arm rod, the eccentric wheel is arranged on an output shaft of the motor, an eccentric shaft is arranged on the eccentric wheel, one end of the rocker arm rod is connected with the eccentric wheel through the eccentric shaft, and the other end of the rocker arm rod is connected with a base plate of the U-shaped push-pull plate assembly through a joint bearing.
Further, the horizontal feeding mechanism comprises a horizontal feeding ejector rod, a horizontal feeding guide wheel, a horizontal feeding pressing sleeve and a horizontal feeding spring, wherein the horizontal feeding guide wheel is arranged at the inner end of the horizontal feeding ejector rod, a horizontal feeding mounting hole is formed in the honing rack, the horizontal feeding ejector rod is inserted into the horizontal feeding mounting hole, the horizontal feeding pressing sleeve is arranged at the outer end of the horizontal feeding mounting hole through threads, the horizontal feeding spring is sleeved on the horizontal feeding ejector rod, the horizontal feeding pressing sleeve is pressed at the outer end of the horizontal feeding spring and used for adjusting horizontal feeding force through compressing the horizontal feeding spring, the inner end of the horizontal feeding spring acts on the horizontal feeding ejector rod and is used for pushing the horizontal feeding ejector rod to abut against the square hole honing bar through the horizontal feeding guide wheel to apply horizontal feeding force,
The vertical feeding mechanism comprises a vertical feeding adjusting screw sleeve, a vertical feeding fixed sleeve, a vertical feeding spring pressing sleeve, a vertical feeding ejector rod, a vertical feeding guide wheel and a vertical feeding spring, wherein a vertical feeding installation hole is formed in the honing rack, the vertical feeding fixed sleeve is arranged in the vertical feeding installation hole in a penetrating mode through threads, a vertical feeding locking nut is sleeved on the vertical feeding fixed sleeve and used for locking and fixing the vertical feeding fixed sleeve on the honing rack, the vertical feeding ejector rod is arranged in an inner hole of the vertical feeding fixed sleeve in a penetrating mode, the vertical feeding adjusting screw sleeve, the vertical feeding spring pressing sleeve and the vertical feeding spring are sequentially sleeved on the vertical feeding ejector rod from top to bottom, the vertical feeding adjusting screw sleeve is screwed on the top end of the vertical feeding fixed sleeve through threads, the vertical feeding spring pressing sleeve is pressed on the upper end of the vertical feeding spring and used for adjusting vertical feeding force through compression of the vertical feeding spring, the lower end of the vertical feeding spring acts on the vertical feeding ejector rod and is used for pushing the vertical feeding ejector rod to abut against the square hole honing bar, and vertical feeding force is applied.
Further, the honing frame comprises a honing machine base plate, an upper top support plate, a horizontal feeding support plate and a main support, wherein the workpiece clamp mechanism is arranged on the honing machine base plate, the bottom of the main support is vertically arranged on the honing machine base plate, the upper top support plate is positioned above the workpiece clamp mechanism, one end of the upper top support plate is a fixed end, the other end of the upper top support plate is a suspension end, the fixed end of the upper top support plate is arranged on the upper part of the main support, the horizontal feeding support plate is arranged at the suspension end of the upper top support plate, the reciprocating driving mechanism is arranged on the vertical surface of the main support facing the horizontal feeding support plate,
The upper top support plate is parallel and opposite to the honing machine base plate, the horizontal feeding support plate is parallel and opposite to the main support, the vertical feeding mechanism is vertically arranged on the upper top support plate and is coaxial with the workpiece clamp mechanism up and down, the horizontal feeding mechanism is vertically arranged on the horizontal feeding support plate, and the axes of the horizontal feeding mechanism, the vertical feeding mechanism and the workpiece clamp mechanism are positioned in the same vertical plane vertical to the axis of the square hole to be honed.
Further, the horizontal feeding support plate is provided with a plurality of horizontal feeding mounting holes which are arranged in a straight line, and the horizontal feeding mounting holes are matched with the square bars of the horizontal feeding ejector rod square holes and used for preventing rotation.
Further, the square hole workpiece is specifically a servo valve with a square hole, the workpiece clamp mechanism is an ER collet mechanism and is used for clamping the lower end of the servo valve, the ER collet mechanism comprises an ER taper sleeve, an ER collet and an ER nut, the ER taper sleeve is arranged on a base plate of the honing machine, the ER collet is arranged in the ER taper sleeve, the ER nut is screwed on the ER taper sleeve or releases the ER collet, the bottom of the ER taper sleeve is provided with a workpiece support shaft and is used for supporting the bottom of the servo valve, the lower end of the vertical feeding fixed sleeve is in a step shape and is used for enabling the lower end of the vertical feeding fixed sleeve to extend into the central hole of the servo valve, and the vertical feeding fixed sleeve props against the upper end face of the servo valve through a step surface of the lower end and limits the servo valve up and down together with the workpiece support shaft.
The beneficial effects of the invention are as follows: the automatic honing machine has the advantages that the automatic honing machine is provided with a high-precision positioning mechanism, high repeated positioning precision and a horizontal and vertical two-direction self-feeding mechanism, so that the effect of simultaneously honing square holes in two directions is achieved, the feeding honing pressure can be adjusted at any time according to the needs, and the motor honing reciprocating speed is adopted to realize program adjustable control; honing efficiency is improved by at least ten times as compared with manual operation.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged cross-sectional view of the present invention;
FIG. 3 is a perspective view of the present invention;
FIG. 4 is an enlarged view of a portion of the present invention A;
FIG. 5 is an exploded view of the horizontal feed mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the horizontal feed carriage of the present invention;
FIG. 7 is a schematic illustration of the positional relationship between the workpiece, vertical feed mechanism, horizontal feed mechanism, and square hole honing stick of the present invention;
Fig. 8 is a schematic view of the positional relationship among the vertical feed mechanism, the horizontal feed mechanism, and the square hole honing stick of the present invention.
In the figure: 1. honing machine frame, 2, motor, 3, horizontal feeding mechanism, 4, vertical feeding mechanism, 5, workpiece clamp mechanism, 6, main support, 7, eccentric wheel rocker mechanism, 8, linear slide rail mechanism, 9, U-shaped push-pull plate assembly, 91, base plate, 92, push-pull plate,
10. Upper top bracket plate, 11, horizontal feed bracket plate, 12, square hole honing bar, 13, horizontal feed mounting hole, 14, eccentric, 15, rocker arm, 16, honing machine base plate, 18, knuckle bearing, 19, base plate seat bushing,
20. A horizontal feeding ejector rod, 21, a horizontal feeding press sleeve, 22, a horizontal feeding guide wheel, 24, a horizontal feeding spring,
30. The vertical feeding adjusting screw sleeve, 31, the vertical feeding fixing sleeve, 32, the vertical feeding spring pressing sleeve, 33, the vertical feeding ejector rod, 34, the vertical feeding spring, 35, the vertical feeding pressing wheel, 36, the vertical feeding locking nut, 37, the vertical feeding mounting hole,
40. ER taper sleeve, 41, ER collet, 42, ER nut, 46, workpiece support shaft.
Detailed Description
The invention will now be described in further detail with reference to the drawings and a preferred embodiment. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
The self-feeding honing machine for square hole workpieces as shown in figures 1-8 comprises a honing frame 1, and a workpiece clamp mechanism 5, a horizontal feeding mechanism 3, a vertical feeding mechanism 4 and a reciprocating driving mechanism which are arranged on the honing frame 1, wherein the workpiece clamp mechanism 5 is used for clamping the square hole workpieces on the honing frame 1 in a way that square holes to be honed are in a horizontal state,
The reciprocating driving mechanism is used for driving the square hole honing bar 12 penetrating into the square hole to be honed to horizontally reciprocate along the axial direction of the square hole to be honed, honing the square hole to be honed, wherein the size of the square hole honing bar 12 is slightly smaller than the size of the square hole to be honed, so that the square hole honing bar 12 is convenient to insert and move in the square hole to be honed, the square hole honing bar 12 is an alloy square hole honing bar or a pig iron square hole honing bar, and honing materials can be manually added during honing, or honing paste and honing oil can be added at intervals;
as shown in fig. 7 and 8, the horizontal feed mechanism 3 for applying a horizontal feed force to the side of the square hole honing stick 12,
As shown in fig. 7 and 8, the vertical feed mechanism 4 for applying a vertical feed force to the top surface of the square hole honing stick 12,
The reciprocating driving mechanism drives the square hole honing bar 12 to horizontally reciprocate along the axial direction of the square hole to be honed through the left and right synchronous horizontal reciprocating motion push-pull plates 92, and the two push-pull plates 92 respectively act on the two ends of the square hole honing bar 12.
The horizontal feed mechanism 3 and the vertical feed mechanism 4 are spring feed mechanisms as shown in fig. 7 and 8, which take the spring force of the spring as the feed force, and apply the feed force acting on the feed jack to the square hole honing stick 12 through the feed jack so that the square hole honing stick 12 does not float when honing is performed.
The reciprocating driving mechanism shown in fig. 1-3 comprises a U-shaped push-pull plate assembly 9, a linear slide rail mechanism 8, a motor 2 and a horizontal reciprocating transmission mechanism, wherein the linear slide rail mechanism 8 and the motor 2 are arranged on a honing rack 1, the U-shaped push-pull plate assembly 9 comprises a base plate 91 and push-pull plates 92 positioned on two sides of the base plate 91, the base plate parts between the two push-pull plates 92 and the push-pull plates 92 form a U-shaped structure, the distance between the two push-pull plates 92 is slightly larger than the length of a square hole honing strip 12, the U-shaped push-pull plate assembly 9 is arranged on the linear slide rail mechanism 8 through the base plate 91, and the motor 2 drives the U-shaped push-pull plate assembly 9 to horizontally reciprocate along the linear slide rail mechanism 8 through the horizontal reciprocating transmission mechanism.
The motor 2 shown in fig. 1-3 is a servo motor, the horizontal reciprocating transmission mechanism is specifically an eccentric wheel rocker mechanism 7, the eccentric wheel rocker mechanism 7 comprises an eccentric wheel 14 and a rocker arm 15, the eccentric wheel 14 is arranged on an output shaft of the motor 2, an eccentric shaft is arranged on the eccentric wheel 14, one end of the rocker arm 15 is connected with the eccentric wheel 14 through the eccentric shaft, the other end of the rocker arm 15 is connected with a base plate 91 of a U-shaped push-pull plate assembly 9 through a joint bearing 18, the motor 2 drives the eccentric wheel rocker mechanism 7 to drive the U-shaped push-pull plate assembly 9 to reciprocate on a linear sliding rail mechanism 8, and the U-shaped push-pull plate assembly 9 drives a square hole honing strip 12 to honing the wall of a square hole of a workpiece.
The horizontal feeding mechanism 3 shown in fig. 5 comprises a horizontal feeding ejector rod 20, a horizontal feeding guide wheel 22, a horizontal feeding press sleeve 21 and a horizontal feeding spring 24, wherein the horizontal feeding guide wheel 22 is arranged at the inner end of the horizontal feeding ejector rod 20, the honing machine frame 1 is provided with a horizontal feeding mounting hole 13, the horizontal feeding ejector rod 20 is inserted in the horizontal feeding mounting hole 13, the horizontal feeding press sleeve 21 is arranged at the outer end of the horizontal feeding mounting hole 13 through threads, the horizontal feeding spring 24 is sleeved on the horizontal feeding ejector rod 20, the horizontal feeding press sleeve 21 is pressed at the outer end of the horizontal feeding spring 24 and used for adjusting the horizontal feeding force through compressing the horizontal feeding spring 24, the inner end of the horizontal feeding spring 24 acts on the horizontal feeding ejector rod 20 and used for pushing the horizontal feeding ejector rod 20 to be propped against the square hole honing bar 12 through the horizontal feeding guide wheel 22 to apply the horizontal feeding force,
The vertical feed mechanism 4 shown in fig. 4 comprises a vertical feed adjusting screw sleeve 30, a vertical feed fixing sleeve 31, a vertical feed spring pressing sleeve 32, a vertical feed ejector rod 33, a vertical feed guide wheel 35 and a vertical feed spring 34, wherein the honing frame 1 is provided with a vertical feed mounting hole 37, the vertical feed fixing sleeve 31 is threaded in the vertical feed mounting hole 37, a vertical feed locking nut 36 is sleeved on the vertical feed fixing sleeve 31 for locking and fixing the vertical feed fixing sleeve 31 on the honing frame 1, the vertical feed ejector rod 33 is threaded in an inner hole of the vertical feed fixing sleeve 31, the vertical feed adjusting screw sleeve 30, the vertical feed spring pressing sleeve 32 and the vertical feed spring 34 are sequentially sleeved on the vertical feed ejector rod 33 from top to bottom, the vertical feed adjusting screw sleeve 30 is screwed on the top end of the vertical feed fixing sleeve 31, the outer circumference of the vertical feed ejector rod 33 is provided with a limit boss, the vertical feed spring pressing sleeve 32 is pressed on the upper end of the vertical feed spring 34 for adjusting the vertical feed force through the compression of the vertical feed spring 34, the lower end of the vertical feed spring 34 acts on the limit boss for pushing the vertical feed fixing the vertical feed guide wheel 33 to rotate through the vertical feed spring 35 on the vertical feed guide wheel 33, and simultaneously the vertical feed pressing sleeve 33 is provided with a vertical feed pressing force capable of being applied to the vertical feed guide wall and the vertical feed guide rod 33 is rotated.
The vertical feeding spring 34 in the vertical feeding mechanism 4 is propped against the vertical feeding ejector rod 33, the vertical feeding pressing wheel 35 is in contact with the upper surface of the square hole honing bar 12, and the square hole honing bar 12 always moves, so that the vertical feeding mechanism 4 always applies downward force to the square hole honing bar Kong Hang, and meanwhile, the force is adjustable through the vertical feeding spring pressing sleeve 32;
The honing frame 1 comprises a honing machine base plate 16, an upper top support plate 10, a horizontal feeding support plate 11 and a main support 6, wherein the workpiece clamp mechanism 5 is arranged on the honing machine base plate 16, the bottom of the main support 6 is vertically arranged on the honing machine base plate 16, the upper top support plate 10 is positioned above the workpiece clamp mechanism 5, one end of the upper top support plate 10 is a fixed end, the other end is a suspension end, the fixed end of the upper top support plate 10 is arranged on the upper part of the main support 6, the horizontal feeding support plate 11 is arranged at the suspension end of the upper top support plate 10, the reciprocating driving mechanism is arranged on the vertical surface of the main support 6 facing the horizontal feeding support plate 11,
The upper top support plate 10 is parallel and opposite to the honing machine base plate 16, the horizontal feeding support plate 11 is parallel and opposite to the main support 6, the vertical feeding mechanism 4 is vertically arranged on the upper top support plate 10 and is coaxial with the workpiece clamp mechanism 5 up and down, the horizontal feeding mechanism 3 is vertically arranged on the horizontal feeding support plate 11, and the axes of the horizontal feeding mechanism 3, the vertical feeding mechanism 4 and the workpiece clamp mechanism 5 are positioned in the same vertical plane vertical to the axis of the square hole to be honed.
The horizontal feeding support plate 11 shown in fig. 6 is provided with a plurality of horizontal feeding mounting holes 13 which are arranged in a straight line, the horizontal feeding mounting holes 13 are divided into internal threaded holes and mounting holes, the mounting holes are square holes, the horizontal feeding mounting holes 13 are matched with square bars of square holes of the horizontal feeding ejector rods 20, the horizontal feeding support plate is used for preventing rotation, and the horizontal feeding pressing sleeve 21 is installed in the internal threaded holes 25 through threaded connection.
The square hole workpiece is specifically a servo valve with a square hole, as shown in fig. 2-3, a workpiece clamp mechanism 5 is arranged on a honing machine base plate 16 through a base plate seat bushing 19, the workpiece clamp mechanism 5 is an ER collet mechanism for clamping the lower end of the servo valve, the ER collet mechanism comprises an ER taper sleeve 40, an ER collet 41 and an ER nut 42, the ER taper sleeve 40 is arranged on the honing machine base plate, the ER collet 41 is arranged in the ER taper sleeve 40, the ER nut 42 is screwed on the ER taper sleeve 40 to screw or release the ER collet 41,
The bottom of the ER cone sleeve 40 is provided with a workpiece supporting shaft 46 for supporting the bottom of the servo valve, the lower end of the vertical feeding fixed sleeve 31 is stepped, the lower end of the vertical feeding fixed sleeve 31 can extend into a central hole of the servo valve, the vertical feeding fixed sleeve 31 abuts against the upper end face of the servo valve through a stepped surface at the lower end, and the workpiece supporting shaft 46 together limits the servo valve up and down.
The outer peripheral wall on the workpiece is provided with 16 square holes to be honed, each square hole is divided into four layers, 4 square holes to be honed are arranged in each layer, and two opposite square holes to be honed in opposite positions can be honed simultaneously, when in honing, only the bottom surface and the side surfaces of the square holes to be honed are honed, and the two surfaces are the surfaces opposite to the horizontal feeding mechanism 3 and the vertical feeding mechanism 4 respectively, so that each hole needs to be honed for 2 times.
Honing process steps:
step 1: inserting the square hole honing strip 12 into a square hole to be honed which is arranged oppositely, then clamping and positioning a square hole workpiece through the workpiece clamp mechanism 5, installing the upper top support 10, inserting the vertical feeding ejector rod 33 in the vertical feeding mechanism 4 into the central hole of the square hole workpiece, propping against the upper surface of the square hole honing strip 12, and adjusting the horizontal feeding mechanism 3 to the same position to prop against the side surface of the square hole honing strip 12;
Step 2: detecting a square hole to be honed by adopting a micrometer gauge before honing, measuring the square hole to be honed, determining honing allowance, and dividing the honing allowance into about equal parts;
Step 3: starting a motor 2 to perform honing, remembering the time after honing for a period of time, measuring square holes to be honed again by a micrometer measuring meter, calculating the time required by honing every 1um, and determining the honing time required by the residual honing quantity;
step 4: starting the motor 2 again, continuing honing, measuring the honing square holes again near the honing time required by the residual honing amount in the step 3, and repeating the steps until the honing allowance is approximately equal to half of the honing allowance of the whole square hole to be honed, so as to finish honing one side of the two square holes to be honed at the opposite positions;
step 5: then stopping the machine, removing the upper top support 10, loosening the square hole workpiece by the workpiece clamp mechanism 5, inserting the square hole honing bar 12 into another opposite square hole to be honed, repeating the actions of the steps 1-4, measuring the square hole to be honed, and stopping honing if the measured data are within the range of the matching precision of the square hole to be honed;
If the measured data are not in the range of the matching precision of the square hole to be honed and the honing allowance is smaller, the square hole to be honed is finely ground until the measured data of the square hole to be honed fall into the range of the matching precision; finishing honing of a layer of 2 square holes to be honed;
Step 6: repeating the steps 1-5, and carrying out all honing on 4 layers of 8 square holes to be honed;
Step 7: rotating the workpiece by 90 degrees, repeating the steps 1 to 6 for 4 layers of the workpiece and 8 other square holes to be honed until the precision of the square holes to be honed is controlled within a required range, thereby finishing the honing of the 8 other square holes to be honed;
Step 8: and (3) removing the upper top support 10, loosening the workpiece by the workpiece clamp mechanism 5, inverting the workpiece, and repeating the procedures of the steps 1 to 7, thereby finishing honing of 16 square holes to be honed on the workpiece. Furthermore, a numerical control device is arranged in the honing frame 1, and the honing frame can be controlled by the numerical control device.
The foregoing description is merely illustrative of specific embodiments of the invention, and the invention is not limited to the details shown, since modifications and variations of the foregoing embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (9)
1. A square hole workpiece self-feeding honing machine is characterized in that: comprises a honing machine frame (1), a workpiece clamp mechanism (5), a horizontal feeding mechanism (3), a vertical feeding mechanism (4) and a reciprocating driving mechanism which are arranged on the honing machine frame (1),
A workpiece clamp mechanism (5) for clamping the square hole workpiece on the honing frame (1) in a way that the square hole to be honed is in a horizontal state,
A reciprocating driving mechanism for driving a square hole honing bar (12) penetrating into a square hole to be honed to horizontally reciprocate along the axial direction of the square hole to be honed, honing the square hole to be honed,
A horizontal feeding mechanism (3) for applying a horizontal feeding force to the side surface of the square hole honing strip (12),
A vertical feeding mechanism (4) for applying a vertical feeding force to the top surface of the square hole honing strip (12),
The reciprocating driving mechanism drives the square hole honing bar (12) to horizontally reciprocate along the axial direction of the square hole to be honed through the left and right synchronous horizontal reciprocating motion push-pull plates (92), and the two push-pull plates (92) respectively act on two ends of the square hole honing bar (12).
2. A square hole work piece self-feeding honing machine as claimed in claim 1, characterized by: the workpiece clamp mechanism (5) is specifically an ER collet chuck mechanism.
3. A square hole work piece self-feeding honing machine as claimed in claim 1, characterized by: the horizontal feeding mechanism (3) and the vertical feeding mechanism (4) are spring feeding mechanisms, the spring feeding mechanisms take the spring force of a spring as feeding force, and the feeding force acting on the feeding ejector rod is applied to the square hole honing bar (12) through the feeding ejector rod.
4. A square hole work piece self-feeding honing machine as claimed in claim 1, characterized by: the reciprocating driving mechanism comprises a U-shaped push-pull plate assembly (9), a linear sliding rail mechanism (8), a motor (2) and a horizontal reciprocating transmission mechanism, wherein the linear sliding rail mechanism (8) and the motor (2) are arranged on the honing rack (1), the U-shaped push-pull plate assembly (9) comprises a base plate (91) and push-pull plates (92) positioned on two sides of the base plate (91), the base plate part between the two push-pull plates (92) and the push-pull plates (92) forms a U-shaped structure, the U-shaped push-pull plate assembly (9) is arranged on the linear sliding rail mechanism (8) through the base plate (91), and the motor (2) drives the U-shaped push-pull plate assembly (9) to horizontally reciprocate along the linear sliding rail mechanism (8) through the horizontal reciprocating transmission mechanism.
5. A square hole work piece self-feeding honing machine as claimed in claim 4, characterized by: the motor (2) is a servo motor,
The horizontal reciprocating transmission mechanism is specifically an eccentric wheel rocker mechanism (7),
The eccentric wheel rocker mechanism (7) comprises an eccentric wheel (14) and a rocker arm rod (15), wherein the eccentric wheel (14) is arranged on an output shaft of the motor (2), an eccentric shaft is arranged on the eccentric wheel (14), one end of the rocker arm rod (15) is connected with the eccentric wheel (14) through the eccentric shaft, and the other end of the rocker arm rod (15) is connected with a base plate (91) of the U-shaped push-pull plate assembly (9) through a joint bearing (18).
6. A square hole work piece self-feeding honing machine as claimed in claim 3, characterized by: the horizontal feeding mechanism (3) comprises a horizontal feeding ejector rod (20), a horizontal feeding guide wheel (22), a horizontal feeding pressing sleeve (21) and a horizontal feeding spring (24), wherein the horizontal feeding guide wheel (22) is arranged at the inner end of the horizontal feeding ejector rod (20), the honing frame (1) is provided with a horizontal feeding mounting hole (13), the horizontal feeding ejector rod (20) is inserted into the horizontal feeding mounting hole (13), the horizontal feeding pressing sleeve (21) is arranged at the outer end of the horizontal feeding mounting hole (13) through threads, the horizontal feeding spring (24) is sleeved on the horizontal feeding ejector rod (20), the horizontal feeding pressing sleeve (21) is pressed at the outer end of the horizontal feeding spring (24) and is used for adjusting horizontal feeding force through compressing the horizontal feeding spring (24), the inner end of the horizontal feeding spring (24) acts on the horizontal feeding ejector rod (20) and is used for pushing the horizontal feeding ejector rod (20) to abut against the square honing bar (12) through the horizontal feeding guide wheel (22) to apply horizontal feeding force,
The vertical feeding mechanism (4) comprises a vertical feeding adjusting screw sleeve (30), a vertical feeding fixing sleeve (31), a vertical feeding spring pressing sleeve (32), a vertical feeding ejector rod (33), a vertical feeding guide wheel (35) and a vertical feeding spring (34), wherein the honing machine frame (1) is provided with a vertical feeding mounting hole (37), the vertical feeding fixing sleeve (31) is threaded in the vertical feeding mounting hole (37), a vertical feeding locking nut (36) is sleeved on the vertical feeding fixing sleeve (31) and used for locking and fixing the vertical feeding fixing sleeve (31) on the honing machine frame (1), the vertical feeding ejector rod (33) is arranged in an inner hole of the vertical feeding fixing sleeve (31) in a penetrating mode, the vertical feeding adjusting screw sleeve (30), the vertical feeding spring pressing sleeve (32) and the vertical feeding spring (34) are sequentially sleeved on the vertical feeding ejector rod (33) from top to bottom, the vertical feeding adjusting screw sleeve (30) is screwed on the top end of the vertical feeding fixing sleeve (31) through threads, the vertical feeding spring pressing sleeve (32) is pressed on the upper end of the vertical feeding spring (34) and used for pressing the vertical feeding spring (34) under the vertical feeding force of the vertical feeding spring (34), the vertical feeding device is used for pushing the vertical feeding ejector rod (33) to be abutted against the square hole honing strip (12) through the vertical feeding guide wheel (35) so as to apply vertical feeding force.
7. A square hole work piece self-feeding honing machine as claimed in claim 6, characterized by: the honing machine frame (1) comprises a honing machine base plate (16), an upper top support plate (10), a horizontal feeding support plate (11) and a main support (6), wherein the workpiece clamp mechanism (5) is arranged on the honing machine base plate (16), the bottom of the main support (6) is vertically arranged on the honing machine base plate (16), the upper top support plate (10) is positioned above the workpiece clamp mechanism (5), one end of the upper top support plate (10) is a fixed end, the other end of the upper top support plate is a suspension end, the fixed end of the upper top support plate (10) is arranged on the upper part of the main support (6), the horizontal feeding support plate (11) is arranged at the suspension end of the upper top support plate (10), the reciprocating driving mechanism is arranged on the vertical surface of the main support (6) facing the horizontal feeding support plate (11),
The upper top support plate (10) is parallel and opposite to the honing machine base plate (16), the horizontal feeding support plate (11) is parallel and opposite to the main support (6), the vertical feeding mechanism (4) is vertically arranged on the upper top support plate (10) and is coaxial with the workpiece clamp mechanism (5) up and down, the horizontal feeding mechanism (3) is vertically arranged on the horizontal feeding support plate (11), and the axes of the horizontal feeding mechanism (3), the vertical feeding mechanism (4) and the workpiece clamp mechanism (5) are positioned in the same vertical plane vertical to the axis of the square hole to be honed.
8. A square hole work piece self-feeding honing machine as claimed in claim 7, characterized by: the horizontal feeding support plate (11) is provided with a plurality of horizontal feeding mounting holes (13) which are arranged in a straight line, and the horizontal feeding mounting holes (13) are matched with square bars of square holes of the horizontal feeding ejector rods (20) for preventing rotation.
9. A square hole work piece self-feeding honing machine as claimed in claim 6, characterized by: the square hole workpiece is a servo valve with a square hole, the workpiece clamp mechanism (5) is an ER collet chuck mechanism for clamping the lower end of the servo valve, the ER collet chuck mechanism comprises an ER taper sleeve (40), an ER collet chuck (41) and an ER nut (42), the ER taper sleeve (40) is arranged on a honing machine base plate, the ER collet chuck (41) is arranged in the ER taper sleeve (40), the ER nut (42) is screwed on the ER taper sleeve (40) or releases the ER collet chuck (41),
The bottom of the ER taper sleeve (40) is provided with a workpiece supporting shaft (46) for supporting the bottom of the servo valve,
The lower end of the vertical feeding fixed sleeve (31) is in a step shape and is used for enabling the lower end of the vertical feeding fixed sleeve (31) to extend into a central hole of the servo valve, the vertical feeding fixed sleeve (31) props against the upper end face of the servo valve through a step face at the lower end, and the upper end face and the lower end face of the servo valve are limited together with the workpiece supporting shaft (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011250112.4A CN112318358B (en) | 2020-11-11 | 2020-11-11 | Honing machine capable of automatically feeding square hole workpiece |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011250112.4A CN112318358B (en) | 2020-11-11 | 2020-11-11 | Honing machine capable of automatically feeding square hole workpiece |
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| CN112318358A CN112318358A (en) | 2021-02-05 |
| CN112318358B true CN112318358B (en) | 2024-09-03 |
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| CN114789398A (en) * | 2022-03-31 | 2022-07-26 | 安庆安帝技益精机有限公司 | Safety stop device, working method thereof and honing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN214559967U (en) * | 2020-11-11 | 2021-11-02 | 常州凯瑞莱精密工具有限公司 | Self-feeding honing machine for square hole workpiece |
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| DE202005012734U1 (en) * | 2005-08-12 | 2005-10-20 | Gehring Gmbh & Co.Kg. | External honing tool, has delivering unit with delivery guide rail that includes exterior surfaces, where delivering unit causes radial displacement of machine hones, and rail and hones have even delivery surfaces |
| EP1790435B1 (en) * | 2005-11-25 | 2009-09-16 | NAGEL Maschinen- und Werkzeugfabrik GmbH | Method of honing of bores and honing tool therefor |
| CN101602192B (en) * | 2009-06-29 | 2011-12-14 | 云南光电辅料有限公司 | Method for improving machining finish degree of metal-based grinding tool through surface modification of grinding material |
| CN201609866U (en) * | 2009-12-29 | 2010-10-20 | 宁波市北仑恒铁机电制造有限公司 | Novel honing tool |
| DE202010003782U1 (en) * | 2010-03-09 | 2010-07-08 | Kadia Produktion Gmbh + Co. | honing tool |
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| CN214559967U (en) * | 2020-11-11 | 2021-11-02 | 常州凯瑞莱精密工具有限公司 | Self-feeding honing machine for square hole workpiece |
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