CN219337176U - Angle polishing structure of polytetrafluoroethylene butterfly valve - Google Patents
Angle polishing structure of polytetrafluoroethylene butterfly valve Download PDFInfo
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- CN219337176U CN219337176U CN202320175115.9U CN202320175115U CN219337176U CN 219337176 U CN219337176 U CN 219337176U CN 202320175115 U CN202320175115 U CN 202320175115U CN 219337176 U CN219337176 U CN 219337176U
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Abstract
The utility model discloses a polytetrafluoroethylene butterfly valve angle polishing structure, which comprises a rotating mechanism, an upper grinding head mechanism, a lower grinding head mechanism and a transverse feeding mechanism; the rotating mechanism is used for driving the butterfly valve bracket structure to rotate; the upper end lifting motion mechanism in the upper grinding head mechanism and the lower grinding head mechanism is used for driving the upper carriage to slide up and down along the longitudinal guide rail, and the upper grinding motor is used for driving the upper grinding wheel to rotate so as to grind the upper edge of the butterfly valve; the lower end lifting movement mechanism is used for driving the lower carriage to slide up and down along the longitudinal guide rail, and the lower grinding motor is used for driving the lower grinding wheel to rotate so as to grind the lower edge of the butterfly valve. The polishing device solves the quality problems of poor angle symmetry, inconsistent peripheral thickness dimension, poor surface roughness and the like caused by manually polishing the upper edge and the lower edge of the butterfly valve, improves the production efficiency, and has controllable polishing angle and more accurate polishing angle and size.
Description
Technical Field
The utility model relates to the technical field of butterfly valve machining, in particular to a polytetrafluoroethylene butterfly valve angle polishing structure.
Background
After the polytetrafluoroethylene butterfly valve is manufactured and molded, the upper edge and the lower edge of the polytetrafluoroethylene butterfly valve are required to be polished at an angle, and when polishing is performed, the bevel angle of the upper edge and the bevel angle of the lower edge of the polished polytetrafluoroethylene butterfly valve are required to be ensured to be symmetrical, and the peripheral thickness dimension is consistent. The processing of the upper edge and the lower edge of the polytetrafluoroethylene butterfly plate is mainly carried out by manually polishing according to the experience of operators, the periphery of the polished polytetrafluoroethylene butterfly valve is not uniform in thickness, namely the peripheral thickness is inconsistent in size, the bevel angle of the upper edge and the bevel angle of the lower edge are poor in symmetry, the manual polishing trace is obvious, the polished surface roughness is poor, dust generated by polishing is large, the working environment is polluted, and the processing efficiency is low.
Disclosure of Invention
The utility model aims to solve the technical problems of providing a polytetrafluoroethylene butterfly valve angle polishing structure aiming at the defects of the prior art, the edge angle of a butterfly valve polished by the polishing structure is more accurate, the consistency of the peripheral thickness dimension is good, the polished surface roughness is small, the quality problems of poor angle symmetry, inconsistent peripheral thickness dimension, poor surface roughness and the like caused by manually polishing the upper edge and the lower edge of the butterfly valve are solved, meanwhile, the polishing structure also improves the production efficiency, and the polishing angle is controllable.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
an angle polishing structure of a polytetrafluoroethylene butterfly valve comprises a rotating mechanism, an upper grinding head mechanism, a lower grinding head mechanism and a transverse feeding mechanism;
the rotating mechanism comprises a rotating driving mechanism and a butterfly valve bracket structure, the rotating driving mechanism is connected with the butterfly valve bracket structure and is used for driving the butterfly valve bracket structure to rotate, and the butterfly valve bracket structure is used for connecting a butterfly valve;
the upper grinding head mechanism and the lower grinding head mechanism comprise a guide rail mounting plate, a longitudinal guide rail, an upper end lifting motion mechanism, an upper carriage, an upper dividing plate, an upper motor mounting plate, an upper grinding motor, an upper grinding wheel, a lower end lifting motion mechanism, a lower carriage, a lower dividing plate, a lower motor mounting plate, a lower grinding motor and a lower grinding wheel; the upper end lifting movement mechanism, the lower end lifting movement mechanism and the longitudinal guide rail are all connected to the guide rail mounting plate; the upper end lifting movement mechanism is connected with the upper carriage and used for driving the upper carriage to slide up and down along the longitudinal guide rail, the upper carriage is connected with the longitudinal guide rail in a sliding manner, the upper carriage is connected with an upper dividing plate, the installation angle of the upper motor mounting plate on the upper dividing plate is adjustable, the upper motor mounting plate can be positioned and locked and connected on the upper dividing plate, the upper polishing motor is connected on the upper motor mounting plate, an output shaft of the upper polishing motor is connected with an upper grinding wheel, and the upper polishing motor is used for driving the upper grinding wheel to rotate so as to polish the upper edge of the butterfly valve; the lower end lifting movement mechanism is connected with the lower carriage and used for driving the lower carriage to slide up and down along the longitudinal guide rail, the lower carriage is connected with the longitudinal guide rail in a sliding manner, the lower carriage is connected with a lower dividing plate, the installation angle of the lower motor mounting plate on the lower dividing plate is adjustable, the lower motor mounting plate can be positioned and locked and connected on the lower dividing plate, the lower polishing motor is connected on the lower motor mounting plate, the output shaft of the lower polishing motor is connected with a lower grinding wheel, and the lower polishing motor is used for driving the lower grinding wheel to rotate so as to polish the lower edge of the butterfly valve;
the transverse feeding mechanism is connected with a guide rail mounting plate in the upper grinding head mechanism and the lower grinding head mechanism, and is used for driving the upper grinding head mechanism and the lower grinding head mechanism to transversely move.
As a further improved technical scheme of the utility model, the upper grinding wheel and the lower grinding wheel are arranged symmetrically up and down, and the guide rail mounting plate is provided with a longitudinal scale.
As a further improved technical scheme of the utility model, the upper end lifting motion mechanism and the lower end lifting motion mechanism are vertically symmetrically arranged, and are respectively provided with a hand-operated ball screw lifting mechanism, the hand-operated ball screw lifting mechanism comprises a hand wheel, a ball screw pair and a support bearing seat, the hand wheel is fixedly connected with one end of a screw rod in the ball screw pair, two ends of the screw rod in the ball screw pair are respectively arranged on a pair of support bearing seats in a shaft way, and the support bearing seats are fixedly connected on a guide rail mounting plate.
As a further improved technical scheme of the utility model, the upper carriage is fixedly connected with a nut in a ball screw pair of the upper lifting movement mechanism through a nut seat; the lower carriage is fixedly connected with a nut in a ball screw pair of the lower end lifting motion mechanism through a nut seat.
As a further improved technical scheme of the utility model, the rotary driving mechanism comprises a frame, a rotary motor, a speed reducer, a transmission shaft and a rotary disk, wherein the rotary motor and the speed reducer are fixedly connected to the frame, the rotary motor is connected with the speed reducer, the speed reducer is connected with one end of the transmission shaft, the other end of the transmission shaft is connected with the rotary disk, the transmission shaft is rotationally connected with the frame through a bearing seat, and the rotary disk is structurally connected with a butterfly valve bracket; the rotating motor is used for driving the rotating disc to rotate sequentially through the speed reducer and the transmission shaft so as to drive the butterfly valve bracket structure to rotate.
As a further improved technical scheme of the utility model, the butterfly valve bracket structure comprises a horizontal support frame and a positioning machine seat, wherein the middle part of the horizontal support frame is fixedly connected with a rotary disk, two ends of the horizontal support frame are respectively connected with the positioning machine seat through nuts in a locking manner, and the positioning machine seat is connected with shafts at two ends of a butterfly valve.
As a further improved technical scheme of the utility model, the transverse feeding mechanism adopts a linear module, the linear module is connected with the transverse carriage, the linear module is used for driving the transverse carriage to move transversely and linearly, and the transverse carriage is fixedly connected with the guide rail mounting plate.
As a further improved technical scheme of the utility model, the linear module is arranged on the frame through the support frame, the frame is also connected with the guide support seat, the guide support seat is in sliding connection with the guide shaft, one end of the guide shaft is fixedly connected with the guide rail mounting plate, the guide shaft is positioned below the linear module, and the guide shaft is parallel to the feeding direction of the linear module.
As a further improved technical scheme of the utility model, a rotating motor in the rotary driving mechanism, an upper polishing motor and a lower polishing motor in the upper grinding head mechanism and the lower grinding head mechanism and a motor in the transverse feeding mechanism are all connected with a total power supply through an electric cabinet.
As a further improved technical scheme of the utility model, the utility model further comprises a dust collection device, wherein the dust collection device is used for absorbing dust generated by polishing of the upper grinding head mechanism and the lower grinding head mechanism.
The beneficial effects of the utility model are as follows:
the horizontal support frame and the positioning machine seat of the rotating mechanism are used for installing butterfly valves, the horizontal support frame is a transverse threaded support, the locking positions of the horizontal support frame and the positioning machine seat can be adjusted according to the outer diameters of the butterfly valves with different specifications and sizes, the rotating mechanism is suitable for installing butterfly valves with various sizes, and the rotating mechanism is convenient to disassemble and assemble.
According to the utility model, the upper grinding head mechanism and the lower grinding head mechanism can be manually calibrated according to the upper edge angle, the lower edge angle and the peripheral thickness dimension requirements of the butterfly valve, namely, after the upper motor mounting plate is slid on the upper dividing plate and rotated to enable the central line of the output shaft of the upper grinding motor to be aligned with a certain scale on the upper dividing plate, the upper motor mounting plate is fastened on the upper dividing plate, the upper grinding wheel is driven by the screw rod to move up and down by rotating the hand wheel above the upper dividing plate so as to adjust the height of the upper grinding wheel, after the lower motor mounting plate is slid on the lower dividing plate and rotated to enable the central line of the output shaft of the lower grinding motor to be aligned with a certain scale on the lower dividing plate, the lower grinding wheel is fastened on the lower dividing plate, the lower grinding wheel is driven by the screw rod to move up and down so as to adjust the height of the lower grinding wheel, the horizontal central line of the butterfly valve is ensured to be positioned at the central position between the upper grinding wheel and the lower grinding wheel, and the inclination angle of the upper grinding wheel is symmetrical with the inclination angle of the lower grinding wheel. The polishing device is suitable for polishing butterfly valves with different edge angles and peripheral thickness dimension requirements.
According to the requirements of the thickness of the edge of the butterfly valve, a control program is set on an operation panel of the electric cabinet, the rotating mechanism rotates left and right slowly and continuously at a directional position, namely, the butterfly valve is driven to rotate left and right slowly and continuously, and the transverse feeding mechanism adopts a step-by-step fixed-length feeding polishing mode according to the set program, so that an upper grinding wheel and a lower grinding wheel in the upper grinding wheel mechanism and the lower grinding wheel respectively polish the upper edge and the lower edge of the butterfly valve to specified sizes. Compared with manual polishing, the polishing precision is higher, the uniformity of the peripheral thickness dimension is better, the symmetry of the upper edge bevel angle and the lower edge bevel angle is better, and the surface roughness is small. Meanwhile, the dust collection device is arranged, so that the polished dust can be discharged along one direction, the dust collection device absorbs the dust and passes through the water filtering system through the air suction pipeline, the dust is absorbed and filtered in a concentrated mode, dust pollution is reduced, and the working environment is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic structural view of the upper and lower grinding head mechanism of the present utility model.
Fig. 3 is a front view of the structure of the rotary mechanism of the present utility model.
Fig. 4 is a side view of the structure of the rotary mechanism of the present utility model.
Fig. 5 is a top view of the structure of the rotating mechanism of the present utility model.
Detailed Description
The following is a further description of embodiments of the utility model, with reference to the accompanying drawings:
as shown in FIG. 1, the angle polishing structure of the polytetrafluoroethylene butterfly valve comprises a rotating mechanism 2, an upper grinding head mechanism 3, a lower grinding head mechanism 3, a transverse feeding mechanism 4, an electric cabinet 5 and a dust collection device 6; wherein a dust collection device 6 (such as a dust collector) is positioned above the upper grinding head mechanism 3 and is used for absorbing dust generated when the upper grinding head mechanism 3 grinds the butterfly valve 1.
As shown in fig. 3 to 5, the rotation mechanism 2 includes a rotation driving mechanism connected to a butterfly valve bracket structure for driving the butterfly valve bracket structure to rotate, and a butterfly valve bracket structure for mounting the butterfly valve 1 (i.e., a polytetrafluoroethylene butterfly valve).
As shown in fig. 3 to 5, the rotary driving mechanism comprises a frame 203, a rotary motor 201, a speed reducer 202, a transmission shaft 204 and a rotary disc 207, wherein the rotary motor 201 and the speed reducer 202 are installed on the frame 203, the rotary motor 201 is connected with the speed reducer 202, the speed reducer 202 is connected with one end of the transmission shaft 204, the other end of the transmission shaft 204 is connected with the rotary disc 207, the transmission shaft 204 is rotationally connected with the frame 203 through a bearing seat 206, the bearing seat 206 is fixedly connected on the frame 203 through a first mounting plate 205, and the rotary disc 207 is structurally connected with a butterfly valve bracket; the rotating motor 201 is used for driving the rotating disk 207 to rotate through the speed reducer 202 and the transmission shaft 204 in sequence, so as to drive the butterfly valve bracket structure to rotate.
The butterfly valve bracket structure comprises a horizontal supporting frame 208 and a positioning machine base 209, wherein the middle part of the horizontal supporting frame 208 is fixedly connected with the rotating disc 207 through screws, the two ends of the horizontal supporting frame 208 are fixedly connected with the positioning machine base 209 through threaded connection nuts in a locking manner, and the shafts 101 at the two ends of the butterfly valve 1 are inserted into the positioning machine base 209 and are fixedly locked through screws.
In this embodiment, the rotation of the butterfly valve 1 is that the transmission shaft 204 of the speed reducer 202 drives the rotating disc 207, the horizontal support 208 and the positioning machine base 209 to rotate, and the electric cabinet 5 sets the forward and reverse directional rotation and the slow rotation required by the rotating motor 201 to realize the left and right rotation and 180-degree positioning rotation. The horizontal support 208 and the positioning machine base 209 of the rotating mechanism 2 are used for installing the butterfly valve 1, the horizontal support 208 is a transverse threaded support, the locking positions of the horizontal support 208 and the positioning machine base 209 can be adjusted according to the outer diameters of different specifications and sizes of the butterfly valve 1, and the butterfly valve is convenient to assemble and disassemble and accurate to position.
As shown in fig. 2, the upper and lower grinding head mechanism 3 includes a guide rail mounting plate 313, a longitudinal guide rail 314, an upper end lifting movement mechanism 301, an upper carriage 303, an upper dividing plate 312, an upper motor mounting plate 305, an upper grinding motor 304, an upper grinding wheel 307, a lower end lifting movement mechanism 302, a lower carriage 311, a lower dividing plate 310, a lower motor mounting plate 315, a lower grinding motor 309 and a lower grinding wheel 308; the upper end lifting movement mechanism 301, the lower end lifting movement mechanism 302 and the longitudinal guide rail 314 are all connected to the guide rail mounting plate 313; the upper end lifting movement mechanism 301 is connected with the upper carriage 303 and is used for driving the upper carriage 303 to slide up and down along the longitudinal guide rail 314, the upper carriage 303 is in sliding connection with the longitudinal guide rail 314, the upper carriage 303 is fixedly connected with an upper dividing plate 312, the upper motor mounting plate 305 is adjustable in mounting angle on the upper dividing plate 312 and can be positioned and locked on the upper dividing plate 312, the upper grinding motor 304 is fixedly connected on the upper motor mounting plate 305, an output shaft of the upper grinding motor 304 is vertically connected with an upper grinding wheel 307, and the upper grinding motor 304 is used for driving the upper grinding wheel 307 to rotate so as to grind the upper edge of the butterfly valve 1; the lower end lifting movement mechanism 302 is connected with the lower carriage 311 and is used for driving the lower carriage 311 to slide up and down along the longitudinal guide rail 314, the lower carriage 311 is in sliding connection with the longitudinal guide rail 314, the lower carriage 311 is fixedly connected with the lower dividing plate 310, the installation angle of the lower motor mounting plate 315 on the lower dividing plate 310 is adjustable, the lower motor mounting plate 315 can be positioned and locked and connected on the lower dividing plate 310, the lower grinding motor 309 is fixedly connected on the lower motor mounting plate 315, the output shaft of the lower grinding motor 309 is vertically connected with the lower grinding wheel 308, and the lower grinding motor 309 is used for driving the lower grinding wheel 308 to rotate so as to grind the lower edge of the butterfly valve 1. The upper grinding wheel 307 and the lower grinding wheel 308 are arranged symmetrically up and down, and the guide rail mounting plate 313 is provided with a longitudinal scale 306. The longitudinal scale 306 is a symmetrical scale line.
The upper dividing disc 312 and the lower dividing disc 310 are symmetrically arranged, the upper dividing disc 312 and the lower dividing disc 310 are respectively provided with an arc-shaped groove and an arc-shaped scale, the arc-shaped grooves are identical to the arc-shaped scales in radian, and the radius of each arc-shaped groove is smaller than that of each arc-shaped scale; the sliding block fixed on the upper motor mounting plate 305 is in sliding connection with the arc-shaped groove of the upper dividing plate 312, and the sliding block of the upper motor mounting plate 305 can rotate in the arc-shaped groove of the upper dividing plate 312, so that the mounting angle of the upper motor mounting plate 305 on the upper dividing plate 312 can be adjusted, when the mounting angle of the upper motor mounting plate 305 is adjusted, the motor mounting plate 305 is slid and rotated, and after the central axis of the output shaft of the upper grinding motor 304 is aligned with the corresponding scale on the upper dividing plate 312, the mounting hole on the upper motor mounting plate 305 is fastened on the upper dividing plate 312 through a bolt or a screw; similarly, the slider fixed on the lower motor mounting plate 315 is slidably connected with the arc-shaped groove of the lower dividing plate 310, and the slider of the lower motor mounting plate 315 can rotate in the arc-shaped groove of the lower dividing plate 310, so that the mounting angle of the lower motor mounting plate 315 on the lower dividing plate 310 can be adjusted, when the mounting angle of the lower motor mounting plate 315 is adjusted, the lower motor mounting plate 315 is slid and rotated, and then the central axis of the output shaft of the lower polishing motor 309 is guaranteed to be aligned with the corresponding scale on the lower dividing plate 310, and then the mounting hole on the lower motor mounting plate 315 is fastened on the lower dividing plate 310 through a bolt or a screw.
The upper end lifting motion mechanism 301 and the lower end lifting motion mechanism 302 are vertically symmetrically arranged, and are hand-operated ball screw assemblies, each hand-operated ball screw assembly comprises a hand wheel 3001, a ball screw pair 3002 and a support bearing seat, the hand wheel 3001 is fixedly connected with one end of a screw in the ball screw pair 3002, two ends of the screw in the ball screw pair 3002 are respectively arranged on (i.e. rotationally connected with) a pair of support bearing seats in a shaft mode, and the support bearing seats are fixedly connected to the guide rail mounting plate 313. The upper carriage 303 is fixedly connected with a nut in a ball screw pair 3002 of the upper lifting movement mechanism 301 through a nut seat; the lower carriage 311 is fixedly connected with a nut in the ball screw pair 3002 of the lower lifting and moving mechanism 302 through a nut seat. The hand wheel 3001 in the upper lifting movement mechanism 301 is rotated, and the nut seat on the screw rod in the upper lifting movement mechanism 301 can drive the upper carriage 303 to slide along the longitudinal guide rail 314. The hand wheel 3001 in the lower end lifting movement mechanism 302 is rotated, and the nut seat on the screw rod in the lower end lifting movement mechanism 302 can drive the lower carriage 311 to slide along the longitudinal guide rail 314.
The working condition of the upper grinding head mechanism 3 and the lower grinding head mechanism 3 is that the upper grinding head mechanism 3 and the lower grinding head mechanism 3 are manually calibrated, positioned and fastened according to the requirements of double angles and thickness dimensions of the edge of the butterfly valve 1, so that the bevel angle of the upper edge and the bevel angle of the lower edge are symmetrical, and the edges are equal in thickness and consistent in dimension.
The upper grinding head mechanism 3 and the lower grinding head mechanism are manually calibrated, positioned and fastened, and the method specifically comprises the following steps: when the butterfly valve 1 is installed, the height of the horizontal center line of the butterfly valve 1 is ensured to be positioned on the 0 scale mark of the longitudinal scale on the guide rail mounting plate 313; according to the edge angle requirement of the butterfly valve 1, the installation angle of the upper motor installation plate 305 on the upper dividing plate 312 is adjusted according to the scale on the upper dividing plate 312, the installation angle of the lower motor installation plate 315 on the lower dividing plate 310 is adjusted according to the scale on the lower dividing plate 310, the inclination angle of the upper grinding wheel 307 and the inclination angle of the lower grinding wheel 308 are ensured to be symmetrical, and the upper motor installation plate 305 and the lower motor installation plate 315 are positioned and fastened; according to the thickness requirement of the periphery of the butterfly valve 1, the hand wheel 3001 on the upper end lifting movement mechanism 301 and the hand wheel 3001 on the lower end lifting movement mechanism 302 are respectively manually adjusted, and the heights of the upper grinding wheel 307 and the lower grinding wheel 308 are adjusted according to the longitudinal scale arranged on the guide rail mounting plate 313, wherein the horizontal center line of the butterfly valve 1 is required to be positioned at the center position between the upper grinding wheel 307 and the lower grinding wheel 308 during adjustment.
As shown in fig. 1, the infeed mechanism 4 is connected to a rail mounting plate 313 in the up-down grinding head mechanism 3, and the infeed mechanism 4 is used to drive the up-down grinding head mechanism 3 to move laterally. The transverse feeding mechanism 4 adopts a linear module, the linear module is connected with the transverse carriage 405, the linear module is used for driving the transverse carriage 405 to move transversely and linearly, and the transverse carriage 405 is fixedly connected with the guide rail mounting plate 313. The linear module is installed on the frame 203 through the support frame, the frame 203 is further connected with a guide support seat 408, a guide shaft 403 is slidably connected to the guide support seat 408, one end of the guide shaft 403 is fixedly connected with the guide rail mounting plate 313, the guide shaft 403 is located below the linear module, and the guide shaft 403 is parallel to the feeding direction of the linear module.
The base plate of the guide rail bracket 407 is connected with the frame 203, the guide support seat 408 is connected with the base plate of the guide rail bracket 407, the linear module adopts the conventional common screw rod linear module, the linear module comprises a transverse motor 401, a transverse screw rod group 402, a transverse guide rail 404 and the like, the transverse motor 401 drives screws in the transverse screw rod group 402 to rotate, nuts on the screws in the transverse screw rod group 402 drive a transverse carriage 405 to slide along the transverse guide rail 404, the transverse position of the upper grinding head mechanism 3 and the lower grinding head mechanism are further adjusted, the linear module is fixedly connected to the frame 203 through the guide rail bracket 407, and the transverse motor 401 is fixedly connected to the guide rail bracket 407 through the motor bracket 406.
The rotating motor 201 in the rotating driving mechanism, the upper grinding motor 304 and the lower grinding motor 309 in the upper grinding head mechanism 3 and the transverse motor 401 in the transverse feeding mechanism 4 are all connected with a total power supply through the electric cabinet 5. The electric cabinet 5 is provided with a display 501, an operation panel 502 and a main power switch 503. The electric cabinet 5 is connected to a main power supply through a main power switch 503. The electric cabinet 5 is used for controlling the operation of the rotary motor 201 in the rotary drive mechanism, the upper grinding motor 304 and the lower grinding motor 309 in the upper and lower grinding head mechanism 3, and the traverse motor 401 in the traverse feed mechanism 4.
Working principle: the shafts 101 at two ends of the butterfly valve 1 are arranged on the positioning base 209 of the butterfly valve bracket structure through screws, according to the upper edge angle and the lower edge angle of the butterfly valve 1 and the requirement of the edge thickness of the butterfly valve 1, the upper grinding head mechanism 3 and the lower grinding head mechanism 3 are manually adjusted, namely, after the central line of the output shaft of the upper grinding motor 304 is aligned with a certain scale on the upper dividing plate 312, the upper motor mounting plate 305 is fastened on the upper dividing plate 312, the upper grinding wheel 307 is driven by a screw rod to move up and down by rotating the hand wheel 3001 above, the height of the upper grinding wheel 307 is adjusted, after the central line of the output shaft of the lower grinding motor 309 is aligned with a certain scale on the lower dividing plate 310 by sliding on the lower dividing plate 310 and rotating the hand wheel 3001 below, the lower grinding wheel 308 is driven by the screw rod to move up and down, the height of the lower grinding wheel 308 is adjusted, and the horizontal central line of the upper grinding wheel 307 and the zero scale of the longitudinal scale are aligned, and the inclination angle of the upper grinding wheel 307 and the inclination angle of the lower grinding wheel 308 are symmetrical. According to the requirement of the thickness of the edge of the butterfly valve 1, a control program is set on an operation panel 502 of the electric cabinet 5, a rotating mechanism 2 continuously rotates left and right at a directional position according to an angle polishing program in the control program, namely, drives the butterfly valve 1 to continuously rotate left and right at a slow speed, an upper polishing motor 304 drives an upper grinding wheel 307 to rotate according to the angle polishing program, a lower polishing motor 309 drives a lower grinding wheel 308 to rotate according to the angle polishing program, a transverse feeding mechanism 4 drives the upper grinding wheel 3 and the lower grinding wheel 3 to perform step-by-step and fixed-length feeding according to the angle polishing program in the control program, so that the rotating upper grinding wheel 307 and the rotating lower grinding wheel 308 perform angle polishing on the upper edge and the lower edge of the left side (namely, the left side of a shaft 101 of the butterfly valve) of the butterfly valve to a specified size, and after the bilateral angle polishing on the left side is completed, the transverse feeding mechanism 4 drives the upper grinding wheel 3 and the lower grinding wheel 3 to retract to a base point position, and simultaneously the rotating mechanism 2 stops rotating and stops at a starting position of a zero position, and the upper polishing motor 304 and the lower grinding motor 309 stops rotating; the rotation instruction is started through the operation panel 502, that is, the rotation mechanism 2 rotates 180 ° in the clockwise direction. Then the angle polishing program is started through the operation panel 502, the rotating mechanism 2 slowly rotates left and right according to the angle polishing program, the upper polishing motor 304 drives the upper grinding wheel 307 to rotate according to the angle polishing program, the lower polishing motor 309 drives the lower grinding wheel 308 to rotate according to the angle polishing program, the transverse feeding mechanism 4 drives the upper grinding wheel and the lower grinding wheel 3 to perform step-by-step and fixed-length feeding according to the angle polishing program, so that the upper edge and the lower edge of the right side (namely the right side of the shaft 101) of the butterfly valve 1 are polished to a specified size by the rotating upper grinding wheel 307 and the rotating lower grinding wheel 308, and the transverse feeding mechanism 4 drives the upper grinding wheel and the lower grinding wheel 3 to retract to the base point position, thereby completing the bilateral angle polishing procedure of the butterfly valve 1.
The embodiment realizes the synchronous polishing and forming of the two sides of the butterfly valve 1 by clamping the butterfly valve at one time, and fully ensures the consistency of the polishing quality and the included angle of the surface and the equal thickness dimension; the production efficiency and the quality of the butterfly valve are improved; the polishing angle of the butterfly valve is controllable; meanwhile, the dust collection device is arranged, so that the polished dust is guaranteed to pass through the dust collection device, the dust is convenient to collect and filter, the dust pollution of the working environment is also solved, the dust pollution is greatly reduced, and the working environment is improved.
The scope of the present utility model includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the utility model.
Claims (10)
1. The utility model provides a polytetrafluoroethylene butterfly valve angle structure of polishing which characterized in that: comprises a rotating mechanism, an upper grinding head mechanism, a lower grinding head mechanism and a transverse feeding mechanism;
the rotating mechanism comprises a rotating driving mechanism and a butterfly valve bracket structure, the rotating driving mechanism is connected with the butterfly valve bracket structure and is used for driving the butterfly valve bracket structure to rotate, and the butterfly valve bracket structure is used for connecting a butterfly valve;
the upper grinding head mechanism and the lower grinding head mechanism comprise a guide rail mounting plate, a longitudinal guide rail, an upper end lifting motion mechanism, an upper carriage, an upper dividing plate, an upper motor mounting plate, an upper grinding motor, an upper grinding wheel, a lower end lifting motion mechanism, a lower carriage, a lower dividing plate, a lower motor mounting plate, a lower grinding motor and a lower grinding wheel; the upper end lifting movement mechanism, the lower end lifting movement mechanism and the longitudinal guide rail are all connected to the guide rail mounting plate; the upper end lifting movement mechanism is connected with the upper carriage and used for driving the upper carriage to slide up and down along the longitudinal guide rail, the upper carriage is connected with the longitudinal guide rail in a sliding manner, the upper carriage is connected with an upper dividing plate, the installation angle of the upper motor mounting plate on the upper dividing plate is adjustable, the upper motor mounting plate can be positioned and locked and connected on the upper dividing plate, the upper polishing motor is connected on the upper motor mounting plate, an output shaft of the upper polishing motor is connected with an upper grinding wheel, and the upper polishing motor is used for driving the upper grinding wheel to rotate so as to polish the upper edge of the butterfly valve; the lower end lifting movement mechanism is connected with the lower carriage and used for driving the lower carriage to slide up and down along the longitudinal guide rail, the lower carriage is connected with the longitudinal guide rail in a sliding manner, the lower carriage is connected with a lower dividing plate, the installation angle of the lower motor mounting plate on the lower dividing plate is adjustable, the lower motor mounting plate can be positioned and locked and connected on the lower dividing plate, the lower polishing motor is connected on the lower motor mounting plate, the output shaft of the lower polishing motor is connected with a lower grinding wheel, and the lower polishing motor is used for driving the lower grinding wheel to rotate so as to polish the lower edge of the butterfly valve;
the transverse feeding mechanism is connected with a guide rail mounting plate in the upper grinding head mechanism and the lower grinding head mechanism, and is used for driving the upper grinding head mechanism and the lower grinding head mechanism to transversely move.
2. The angle polishing structure of a polytetrafluoroethylene butterfly valve according to claim 1, wherein: the upper grinding wheel and the lower grinding wheel are arranged symmetrically up and down, and the guide rail mounting plate is provided with a longitudinal scale.
3. The angle polishing structure of a polytetrafluoroethylene butterfly valve according to claim 2, wherein: the upper end lifting motion mechanism and the lower end lifting motion mechanism are vertically symmetrically arranged, and are respectively provided with a hand-operated ball screw lifting mechanism, the hand-operated ball screw lifting mechanism comprises a hand wheel, a ball screw pair and a support bearing seat, the hand wheel is fixedly connected with one end of a screw rod in the ball screw pair, two ends of the screw rod in the ball screw pair are respectively arranged on a pair of support bearing seats in a shaft mode, and the support bearing seat is fixedly connected to a guide rail mounting plate.
4. A polytetrafluoroethylene butterfly valve angle sanding structure according to claim 3, wherein: the upper carriage is fixedly connected with a nut in a ball screw pair of the upper lifting movement mechanism through a nut seat; the lower carriage is fixedly connected with a nut in a ball screw pair of the lower end lifting motion mechanism through a nut seat.
5. The angle polishing structure of a polytetrafluoroethylene butterfly valve according to claim 1, wherein: the rotary driving mechanism comprises a frame, a rotary motor, a speed reducer, a transmission shaft and a rotary disk, wherein the rotary motor and the speed reducer are fixedly connected to the frame, the rotary motor is connected with the speed reducer, the speed reducer is connected with one end of the transmission shaft, the other end of the transmission shaft is connected with the rotary disk, the transmission shaft is rotationally connected with the frame through a bearing seat, and the rotary disk is structurally connected with a butterfly valve bracket; the rotating motor is used for driving the rotating disc to rotate sequentially through the speed reducer and the transmission shaft so as to drive the butterfly valve bracket structure to rotate.
6. The angle polishing structure of a polytetrafluoroethylene butterfly valve according to claim 5, wherein: the butterfly valve bracket structure comprises a horizontal support frame and a positioning machine seat, wherein the middle part of the horizontal support frame is fixedly connected with the rotating disc, the two ends of the horizontal support frame are respectively connected with the positioning machine seat through nuts in a locking mode, and the positioning machine seat is connected with shafts at the two ends of the butterfly valve.
7. The angle polishing structure of a polytetrafluoroethylene butterfly valve according to claim 1, wherein: the transverse feeding mechanism adopts a linear module, the linear module is connected with the transverse carriage, the linear module is used for driving the transverse carriage to move transversely and linearly, and the transverse carriage is fixedly connected with the guide rail mounting plate.
8. The angle sanding structure of a polytetrafluoroethylene butterfly valve according to claim 7, wherein: the linear module is installed in the frame through the support frame, still be connected with the guide supporting seat in the frame, sliding connection has the guiding axle in the guide supporting seat, the one end and the guide rail mounting panel fixed connection of guiding axle, the guiding axle is located the linear module below, and the guiding axle is parallel with the direction of feed of linear module.
9. The angle polishing structure of a polytetrafluoroethylene butterfly valve according to claim 1, wherein: the rotary motor in the rotary driving mechanism, the upper polishing motor and the lower polishing motor in the upper grinding head mechanism and the lower grinding motor in the lower grinding head mechanism and the motors in the transverse feeding mechanism are all connected with a total power supply through an electric cabinet.
10. The angle polishing structure of a polytetrafluoroethylene butterfly valve according to claim 1, wherein: the dust collection device is used for absorbing dust generated by polishing of the upper grinding head mechanism and the lower grinding head mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320175115.9U CN219337176U (en) | 2023-02-10 | 2023-02-10 | Angle polishing structure of polytetrafluoroethylene butterfly valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320175115.9U CN219337176U (en) | 2023-02-10 | 2023-02-10 | Angle polishing structure of polytetrafluoroethylene butterfly valve |
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| Publication Number | Publication Date |
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| CN219337176U true CN219337176U (en) | 2023-07-14 |
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| CN202320175115.9U Active CN219337176U (en) | 2023-02-10 | 2023-02-10 | Angle polishing structure of polytetrafluoroethylene butterfly valve |
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| CN (1) | CN219337176U (en) |
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