CN214559967U - Self-feeding honing machine for square hole workpiece - Google Patents
Self-feeding honing machine for square hole workpiece Download PDFInfo
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- CN214559967U CN214559967U CN202022602448.4U CN202022602448U CN214559967U CN 214559967 U CN214559967 U CN 214559967U CN 202022602448 U CN202022602448 U CN 202022602448U CN 214559967 U CN214559967 U CN 214559967U
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Abstract
The utility model relates to a square hole work piece self-feeding honing machine, the work piece fixture mechanism is used for clamping the square hole work piece on the honing frame in a way that the square hole to be honed is in a horizontal state, the reciprocating drive mechanism is used for driving the square hole honing strip penetrating into the square hole to be honed to horizontally reciprocate along the axis direction of the square hole to be honed, the horizontal feed mechanism is used for applying horizontal feed force to the side surface of the square hole honing strip, the vertical feed mechanism is used for applying vertical feed force to the top surface of the square hole honing strip, the reciprocating drive mechanism drives the square hole honing strip to horizontally reciprocate along the axis direction of the square hole to be honed through two push-pull plates with horizontal reciprocating motion synchronously, the two push-pull plates are respectively applied to the two ends of the square hole honing strip, the honing strip has a high-precision positioning mechanism, the repeated positioning precision is high, the self-feeding mechanism in the horizontal and vertical directions, the honing effect of the square hole in two directions at the same time is achieved, and the feeding honing pressure can be adjusted at any time according to the requirement.
Description
Technical Field
The utility model belongs to the technical field of honing equipment technique and specifically relates to a square hole work piece is from feeding honing machine.
Background
The honing technology has a wide application range, and the application fields of the honing technology extend to the industries of machine tools, bearings, electronic processing, die processing, instrument processing and the like; the selective application of the honing machine in the honing process is also of considerable importance. In addition, it is also clear that in all honing processes, all processing holes are circular, so that holes of some parts are not circular, such as square holes, the matching precision requirement is high, such as a rectangular hole of a servo valve, the matching precision of the valve core and the valve core is only a few micrometers, the matching requirement cannot be met by common mechanical processing methods, and the requirements are met only by adopting a manual honing method in general conditions, so that the problem is solved; when a batch of servo valves need to be processed, the rectangular holes of the servo valves are honed to meet the requirement, manual honing is adopted to process a honing allowance of 0.05 mm for one hole per day in a trial mode, four-side honing for one hole with the hole opening hardness HRC55-58 is not completed at all, and a special square hole honing machine which has high precision and automatic feeding in the vertical direction and the horizontal direction is required to replace manual operation.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the square hole workpiece self-feeding honing machine has the advantages that manual operation is replaced, the horizontal and vertical self-feeding mechanisms are arranged, the effect of honing square holes in two directions simultaneously is achieved, time and labor are saved, and the working efficiency is high.
The utility model provides a technical scheme that its technical problem adopted is: a self-feeding honing machine for square-hole workpieces comprises a honing rack, a workpiece clamp mechanism, a horizontal feeding mechanism, a vertical feeding mechanism, a reciprocating driving mechanism and a workpiece clamp mechanism, wherein the workpiece clamp mechanism, the horizontal feeding mechanism, the vertical feeding mechanism and the reciprocating driving mechanism are arranged on the honing rack, used for clamping the square hole workpiece on the honing rack in a way that the square hole to be honed is in a horizontal state, a reciprocating driving mechanism, used for driving the square hole honing strip 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, a horizontal feeding mechanism for applying horizontal feeding force to the side surface of the square hole honing strip, a vertical feeding mechanism, the reciprocating driving mechanism drives the square hole honing strip to horizontally reciprocate along the axis direction of the square hole to be honed through the left and right two push-pull plates which synchronously horizontally reciprocate, and the two push-pull plates respectively act on two ends of the square hole honing strip.
Further, the work holder mechanism is embodied as an ER collet mechanism.
Further, the horizontal feeding mechanism and the vertical feeding mechanism are spring feeding mechanisms, the spring feeding mechanisms take 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 stick through the feeding ejector rod.
Further, the reciprocating driving mechanism comprises a U-shaped push-pull plate assembly, a linear slide rail mechanism, a motor and a horizontal reciprocating transmission mechanism, the linear slide rail mechanism and the motor are installed on the honing rack, the U-shaped push-pull plate assembly comprises a base plate and push-pull plates located on two sides of the base plate, the base plate part between the two push-pull plates and the push-pull plates forms a U-shaped structure, the U-shaped push-pull plate assembly is installed on the linear slide rail mechanism through the base plate, and the motor drives the U-shaped push-pull plate assembly to horizontally reciprocate along the linear slide rail mechanism through the horizontal reciprocating transmission mechanism.
Furthermore, 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 installed 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.
Furthermore, the horizontal feeding mechanism comprises a horizontal feeding ejector rod, a horizontal feeding guide wheel, a horizontal feeding pressure sleeve and a horizontal feeding spring, the horizontal feeding guide wheel is arranged at the inner end of the horizontal feeding ejector rod, a horizontal feeding mounting hole is arranged on the honing rack, the horizontal feeding ejector rod is inserted in the horizontal feeding mounting hole, the horizontal feeding pressure 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 pressure sleeve is pressed at the outer end of the horizontal feeding spring and used for adjusting the 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 used for pushing the horizontal feeding ejector rod to abut against the square hole honing strip through the horizontal feeding guide wheel to apply the horizontal feeding force,
the vertical feeding mechanism comprises a vertical feeding adjusting threaded 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 mounting hole is formed in the honing rack, the vertical feeding fixed sleeve is arranged in the vertical feeding mounting hole in a penetrating manner 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 manner, the vertical feeding adjusting threaded 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 threaded 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 compressing 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 strip through the vertical feeding guide wheel to apply vertical feeding force.
Further, the honing machine frame comprises a honing machine base plate, an upper top support plate, a horizontal feeding support plate and a main support, the workpiece fixture 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 fixture mechanism, one end of the upper top support plate is a fixed end, the other end of the upper top support plate is a hanging 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 on the hanging end of the upper top support plate, a reciprocating driving mechanism is arranged on a vertical surface of the main support facing the horizontal feeding support plate,
the upper top support plate is parallel and opposite to the base plate of the honing machine, 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 fixture 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 fixture mechanism are positioned in the same vertical plane which is vertical to the axis of the square hole to be honed.
Furthermore, a plurality of horizontal feeding mounting holes which are arranged in a straight line are formed in the horizontal feeding support plate, and the horizontal feeding mounting holes are matched with square holes and square rods of the horizontal feeding ejector rods 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 chuck mechanism and is used for clamping the lower end of the servo valve, the ER collet chuck mechanism comprises an ER taper sleeve, an ER collet chuck and an ER nut, the ER taper sleeve is installed on a base plate of the honing machine, the ER collet chuck is arranged in the ER taper sleeve, the ER nut is screwed on the ER taper sleeve to screw or release the ER collet chuck, a workpiece supporting shaft is arranged at the bottom of the ER taper sleeve and is used for supporting the bottom of the servo valve, the lower end of the vertical feeding fixing sleeve is in a step shape and is used for enabling the lower end of the vertical feeding fixing sleeve to extend into a central hole of the servo valve, the vertical feeding fixing sleeve supports against the upper end face of the servo valve through a step face at the lower end and limits the servo valve up and down together with the workpiece supporting shaft.
The utility model has the advantages that: the honing device is provided with a high-precision positioning mechanism, has high repeated positioning precision, is also provided with a horizontal and vertical self-feeding mechanism, achieves the effect of honing square holes in two directions at the same time, can adjust the feeding honing pressure at any time according to the requirement, and has program adjustable control by adopting the reciprocating speed of motor honing; honing efficiency is improved by at least a dozen times compared with manual operation.
Drawings
The present invention will be further explained 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 a partial enlarged view 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 structural view of the horizontal feeding bracket of the present invention;
fig. 7 is a schematic view of the positional relationship among the workpiece, the vertical feed mechanism, the horizontal feed mechanism, and the square hole honing bar of the present invention;
fig. 8 is a schematic diagram of the position relationship among the vertical feeding mechanism, the horizontal feeding mechanism and the square hole honing bar of the present invention.
In the figure: 1. honing machine frame, 2 motor, 3 horizontal feeding mechanism, 4 vertical feeding mechanism, 5 workpiece clamping mechanism, 6 main support, 7 eccentric wheel rocker mechanism, 8 linear slide rail mechanism, 9U-shaped push-pull plate assembly, 91 base plate, 92 push-pull plate,
10. an upper top support plate, 11, a horizontal feeding support plate, 12, a square hole honing strip, 13, a horizontal feeding installation hole, 14, an eccentric wheel, 15, a rocker arm rod, 16, a honing machine base plate, 18, a joint bearing, 19, a base plate base bushing,
20. a horizontal feeding mandril, 21 a horizontal feeding pressing sleeve, 22 a horizontal feeding guide wheel, 24 a horizontal feeding spring,
30. a vertical feed adjusting screw sleeve 31, a vertical feed fixing sleeve 32, a vertical feed spring pressing sleeve 33, a vertical feed mandril 34, a vertical feed spring 35, a vertical feed pressure wheel 36, a vertical feed locking nut 37, a vertical feed mounting hole,
ER taper sleeve, 41 ER collet chuck, 42 ER nut, 46 workpiece support shaft.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 to 8, the square-hole workpiece self-feeding honing machine comprises a honing rack 1, a workpiece clamp mechanism 5, a horizontal feeding mechanism 3, a vertical feeding mechanism 4 and a reciprocating driving mechanism, wherein the workpiece clamp mechanism 5 is arranged on the honing rack 1 and is used for clamping a square-hole workpiece on the honing rack 1 in a manner that a square hole to be honed is in a horizontal state,
the reciprocating driving mechanism is used for driving the square hole honing strip 12 penetrating into the square hole to be honed to horizontally reciprocate along the axis direction of the square hole to be honed, the size of the square hole honing strip 12 is slightly smaller than that of the square hole to be honed, so that the square hole honing strip 12 can be conveniently inserted and move in the square hole to be honed, the square hole honing strip 12 is an alloy square hole honing strip or a pig iron square hole honing strip, and honing materials can be added manually during honing and can also be honing paste and honing oil, and the addition is carried out at variable time;
as shown in fig. 7 and 8, the horizontal feeding mechanism 3, for applying a horizontal feeding force to the side of the square hole honing stick 12,
as shown in fig. 7 and 8, the vertical feeding mechanism 4, for applying a vertical feeding force to the top surface of the square hole honing stick 12,
the reciprocating driving mechanism drives the square hole honing strip 12 to horizontally reciprocate along the axis direction of the square hole to be honed through the left and right push-pull plates 92 which synchronously horizontally reciprocate, and the two push-pull plates 92 respectively act on two ends of the square hole honing strip 12.
The horizontal feeding mechanism 3 and the vertical feeding mechanism 4 are spring feeding mechanisms which use spring force of a spring as feeding force and apply the feeding force acting on the feed ejector rod to the square hole honing stick 12 through the feed ejector rod as shown in fig. 7 and 8, so that the square hole honing stick 12 is not floated when performing honing.
The reciprocating driving mechanism shown in fig. 1 to 3 includes a U-shaped push-pull plate assembly 9, a linear slide rail mechanism 8, a motor 2 and a horizontal reciprocating transmission mechanism, the linear slide rail mechanism 8 and the motor 2 are installed on the honing machine frame 1, the U-shaped push-pull plate assembly 9 includes a base plate 91 and push-pull plates 92 located at two sides of the base plate 91, the base plate portion between the two push-pull plates 92 and the push-pull plates 92 forms a U-shaped structure, the distance between the two push-pull plates 92 is slightly larger than the length of the square hole honing bar 12, the U-shaped push-pull plate assembly 9 is installed 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.
As shown in fig. 1 to 3, 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 includes an eccentric wheel 14 and a rocker arm rod 15, the eccentric wheel 14 is mounted on an output shaft of the motor 2, the eccentric wheel 14 is provided with an eccentric shaft, one end of the rocker arm rod 15 is connected with the eccentric wheel 14 through the eccentric shaft, 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, the motor 2 drives the eccentric rocker mechanism 7 to drive the U-shaped push-pull plate assembly 9 to reciprocate on the linear slide rail mechanism 8, and the U-shaped push-pull plate assembly 9 drives the square hole honing bar 12 to hone the hole wall of the square hole of the 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 is 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 is used for pushing the horizontal feeding ejector rod 20 to abut against the square hole honing stick 12 through the horizontal feeding guide wheel 22 to apply the horizontal feeding force,
as shown in fig. 4, the vertical feed mechanism 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 rack 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 rack 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 through threads, and the vertical feed ejector rod 33 is provided with a limit boss on the outer circumferential surface, the vertical feed spring pressing sleeve 32 is pressed on the upper end of the vertical feed spring 34 and used for adjusting vertical feed force by compressing the vertical feed spring 34, the lower end of the vertical feed spring 34 acts on the limiting boss and is used for pushing the vertical feed ejector rod 33 to abut against the square hole honing strip 12 through the vertical feed guide wheel 35 and applying vertical feed force, the vertical feed pressing wheel 35 can freely rotate under the spring pressure of the vertical feed spring 34, and meanwhile, the peripheral wall of the bottom of the inner hole of the vertical feed fixing sleeve 31 is provided with a boss for limiting the downward pressing feed stroke of the vertical feed ejector rod 33.
The vertical feed spring 34 in the vertical feed mechanism 4 supports against the vertical feed mandril 33, the vertical feed pinch roller 35 is contacted with the upper surface of the square hole honing strip 12, and the square hole honing strip 12 moves all the time, so the vertical feed mechanism 4 always applies downward force to the square hole honing strip 12, and the force can be adjusted by the vertical feed spring pressing sleeve 32;
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, a workpiece fixture 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 fixture mechanism 5, one end of the upper top support plate 10 is a fixed end, the other end is a hanging 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 on the hanging end of the upper top support plate 10, a reciprocating driving mechanism is arranged on a 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 a 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 vertically coaxial with the workpiece clamp mechanism 5, 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.
As shown in fig. 6, the horizontal feed support plate 11 has a plurality of horizontal feed mounting holes 13 arranged in a straight line, the horizontal feed mounting holes 13 are divided into internal threaded holes and mounting holes, the mounting holes are square holes, the horizontal feed mounting holes 13 are matched with square rods of the square holes of the horizontal feed mandril 20 for preventing rotation, and the horizontal feed press sleeve 21 is mounted in the internal threaded hole 25 through threaded connection.
The square hole workpiece is specifically a servo valve with a square hole, as shown in fig. 2 to 3, the workpiece fixture mechanism 5 is installed on the honing machine base plate 16 through the base plate seat bushing 19, the workpiece fixture 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 installed 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 taper sleeve 40 is provided with a workpiece support shaft 46 for supporting the bottom of the servo valve, the lower end of the vertical feeding fixing sleeve 31 is stepped, the lower end of the vertical feeding fixing sleeve 31 can extend into a central hole of the servo valve, the vertical feeding fixing sleeve 31 abuts against the upper end face of the servo valve through the stepped surface of the lower end, and the vertical feeding fixing sleeve and the workpiece support shaft 46 limit the servo valve up and down.
The peripheral wall on the work piece is opened altogether has 16 square holes of treating the honing, divide into four layers, and every layer 4 square holes of treating the honing, and two liang of relative settings, the square hole of treating the honing of relative position can carry out the honing simultaneously, when carrying out the honing, only treats two faces of bottom surface and the side of the square hole of honing and carries out the honing, and these two faces are the face relative with horizontal feed mechanism 3, vertical feed mechanism 4 respectively, therefore, every hole needs to carry out 2 honing.
The honing process comprises the following steps:
step 1: inserting a square hole honing strip 12 into a square hole to be honed, clamping and positioning a square hole workpiece through a workpiece clamp mechanism 5, installing an upper top bracket 10, inserting a vertical feeding ejector rod 33 in a vertical feeding mechanism 4 into a central hole of the square hole workpiece, abutting against the upper surface of the square hole honing strip 12, and adjusting a horizontal feeding mechanism 3 to the same position to abut against the side surface of the square hole honing strip 12;
step 2: before honing, a micrometer measuring meter is adopted to detect square holes to be honed and measure the square holes to be honed, honing allowance is determined, and the honing allowance is approximately equally divided;
and step 3: starting the motor 2, honing, remembering the time after honing for a period of time, measuring the square hole to be honed again by the micrometer gauge, then calculating the honing time required by each 1um, and determining the honing time required by the residual honing quantity;
and 4, step 4: starting the motor 2 again, continuing honing, approaching the honing time required by the residual honing amount in the step 3, measuring the honing square hole again, repeating the steps until the honing allowance is equal to half of the honing allowance of the whole honing square hole, and finishing honing one side of two opposite-position honing square holes;
and 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 strip 12 into another oppositely arranged square hole to be honed, repeating the actions of the steps 1-4, measuring the square hole to be honed, and stopping the honing if the measured data is within the matching precision range of the square hole to be honed;
if the measured data is not in the matching precision range of the square hole to be honed and the honing allowance is smaller, finely grinding the square hole to be honed until the measured data of the square hole to be honed falls into the matching precision range; finishing the honing of a layer of 2 square holes to be honed;
step 6: repeating the step 1-5, and carrying out full honing on 4 layers of 8 square holes to be honed;
and 7: rotating the workpiece by 90 degrees, and repeating the steps 1-6 for the other 8 square holes to be honed on 4 layers of the workpiece until the precision of the square holes to be honed is controlled within a required range, thereby completing the honing of the other 8 square holes to be honed;
and 8: and (3) removing the upper top support 10, loosening the workpiece by the workpiece clamp mechanism 5, inverting the workpiece, and repeating the steps 1-7, so as to finish honing 16 square holes to be honed on the workpiece. And, install numerical control device in the honing frame 1, this application still can be controlled through numerical control device.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (9)
1. The utility model provides a square hole work piece is from feeding honing machine which characterized by: comprises a honing rack (1), a workpiece clamp mechanism (5), a horizontal feeding mechanism (3), a vertical feeding mechanism (4) and a reciprocating driving mechanism, wherein the workpiece clamp mechanism, the horizontal feeding mechanism, the vertical feeding mechanism and the reciprocating driving mechanism are arranged on the honing rack (1),
a workpiece clamp mechanism (5) for clamping the square-hole workpiece on the honing rack (1) in a manner that the square hole to be honed is horizontal,
the reciprocating driving mechanism is used for driving the square hole honing strip (12) penetrating into the square hole to be honed to horizontally reciprocate along the axial direction of the square hole to be honed so as to hone the square hole to be honed,
a horizontal feeding mechanism (3) for applying 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 strip (12) to horizontally reciprocate along the axis direction of the square hole to be honed through the left and right two synchronous horizontal reciprocating push-pull plates (92), and the two push-pull plates (92) respectively act on two ends of the square hole honing strip (12).
2. The square hole workpiece self-feeding honing machine according to claim 1, wherein: the workpiece clamp mechanism (5) is specifically an ER collet mechanism.
3. The square hole workpiece self-feeding honing machine according to claim 1, wherein: the horizontal feeding mechanism (3) and the vertical feeding mechanism (4) are spring feeding mechanisms, the spring feeding mechanisms take 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 strip (12) through the feeding ejector rod.
4. The square hole workpiece self-feeding honing machine according to claim 1, wherein: the reciprocating driving mechanism comprises a U-shaped push-pull plate assembly (9), a linear slide rail mechanism (8), a motor (2) and a horizontal reciprocating transmission mechanism, the linear slide rail mechanism (8) and the motor (2) are installed on the honing rack (1), the U-shaped push-pull plate assembly (9) comprises a base plate (91) and push-pull plates (92) located 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 installed 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.
5. The square hole workpiece self-feeding honing machine according to claim 4, wherein: the motor (2) is a servo motor,
the horizontal reciprocating transmission mechanism is an eccentric wheel rocker mechanism (7),
the eccentric wheel rocker mechanism (7) comprises an eccentric wheel (14) and a rocker arm rod (15), the eccentric wheel (14) is installed 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. The square hole workpiece self-feeding honing machine of claim 3, wherein: the horizontal feeding mechanism (3) 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 installed at the inner end of the horizontal feeding ejector rod (20), a horizontal feeding installation hole (13) is formed in the honing rack (1), the horizontal feeding ejector rod (20) is inserted into the horizontal feeding installation hole (13), the horizontal feeding press sleeve (21) is installed at the outer end of the horizontal feeding installation 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 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 abut against the honing stick (12) through the horizontal feeding guide wheel (22), the horizontal feeding force is applied to the feed roller,
the vertical feeding mechanism (4) comprises a vertical feeding adjusting threaded 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 a vertical feeding mounting hole (37) is formed in the honing rack (1), the vertical feeding fixing sleeve (31) is arranged in the vertical feeding mounting hole (37) in a penetrating mode through threads, 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 rack (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 threaded 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 adjusting vertical feeding force through compressing the vertical feeding spring (34), the lower end of the vertical feeding spring (34) acts on the vertical feeding ejector rod (33) and used for pushing the vertical feeding ejector rod (33) to abut against the square hole honing strip (12) through the vertical feeding guide wheel (35) and applying the vertical feeding force.
7. The square hole workpiece self-feeding honing machine of claim 6, wherein: 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), a 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 suspended 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 suspended end of the upper top support plate (10), a reciprocating driving mechanism is arranged on a vertical surface of the main support (6) facing the horizontal feeding support plate (11),
the honing machine base plate is characterized in that an upper top support plate (10) is parallel and opposite to a honing machine base plate (16), a horizontal feeding support plate (11) is parallel and opposite to a main support (6), a vertical feeding mechanism (4) is vertically arranged on the upper top support plate (10) and is vertically coaxial with a workpiece clamp mechanism (5), a 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 a square hole to be honed.
8. The square hole workpiece self-feeding honing machine of claim 7, wherein: 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 holes and square rods of the horizontal feeding ejector rods (20) and used for preventing rotation.
9. The square hole workpiece self-feeding honing machine of claim 6, wherein: the square hole workpiece is a servo valve with a square hole, the workpiece clamp mechanism (5) 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 (40), an ER collet (41) and an ER nut (42), the ER taper sleeve (40) is installed on a base plate of the honing machine, 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 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 fixing sleeve (31) is stepped, the lower end of the vertical feeding fixing sleeve (31) can extend into a central hole of the servo valve, and the vertical feeding fixing sleeve (31) abuts against the upper end face of the servo valve through the stepped surface of the lower end and limits the servo valve up and down together with the workpiece support shaft (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022602448.4U CN214559967U (en) | 2020-11-11 | 2020-11-11 | Self-feeding honing machine for square hole workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022602448.4U CN214559967U (en) | 2020-11-11 | 2020-11-11 | Self-feeding honing machine for square hole workpiece |
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| Publication Number | Publication Date |
|---|---|
| CN214559967U true CN214559967U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022602448.4U Active CN214559967U (en) | 2020-11-11 | 2020-11-11 | Self-feeding honing machine for square hole workpiece |
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| Country | Link |
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| CN (1) | CN214559967U (en) |
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