CN110774072B

CN110774072B - Grind anchor clamps and straight tube inner wall arc grinds machine

Info

Publication number: CN110774072B
Application number: CN201910983178.5A
Authority: CN
Inventors: 李满廷; 李钢; 崔建枝; 李全敏
Original assignee: Hengshui Huanuo Opto Electronics Technology Co ltd
Current assignee: Hengshui Huanuo Opto Electronics Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2021-05-18
Anticipated expiration: 2039-10-16
Also published as: CN110774072A

Abstract

The embodiment of the invention discloses a grinding clamp and a straight pipe inner wall arc-shaped grinding machine, which belong to the technical field of grinding equipment. The top end of the clamp body is provided with a supporting mechanism, the upper end of the supporting mechanism is provided with a grinding roller shaft, the grinding roller is sleeved on the grinding roller shaft, the grinding roller shaft is arranged at the upper end of the clamp body, and the pin movably penetrates through the clamp body and is abutted against the pin; the straight pipe inner wall arc grinding machine comprises a grinding clamp, and also comprises an actuating mechanism, a vertical feeding mechanism, a transverse feeding mechanism and a longitudinal feeding mechanism. When the glass tube grinding device is used, the grinding roller is sleeved on a straight glass tube, the output rolling shaft on the actuating mechanism is in contact rolling with the grinding roller through the conveying belt, so that the inner wall of the glass tube is rubbed with the grinding roller shaft, and meanwhile, the vertical feeding mechanism, the transverse feeding mechanism and the longitudinal feeding mechanism control the position of the actuating mechanism, so that the effect of grinding the inner wall of the glass tube is achieved. The invention has the advantages of ingenious design and high automation degree, lightens the labor intensity of workers and improves the labor efficiency.

Description

Grind anchor clamps and straight tube inner wall arc grinds machine

Technical Field

The embodiment of the invention relates to the technical field of grinding equipment, in particular to a grinding clamp and a straight pipe inner wall arc-shaped grinding machine.

Background

In engineering construction, it is often necessary to calibrate the levelness by means of a level, wherein the quality of the glass tubes mounted on the level determines the accuracy and stability of the level. Because the glass tube is internally provided with horizontal bubbles, the bubbles always float on the water surface, if the inner wall of the glass tube is straight, the bubbles always float at two ends, and the bubbles can stop in the middle only when the glass tube is in an absolute horizontal state. However, the glass tube needs to ensure certain precision, so the glass tube has certain difficulty in the processing technology, and the glass tube needs to be polished manually at present, thereby not only wasting time and labor, but also having poor precision and low yield.

Disclosure of Invention

Therefore, the embodiment of the invention provides a grinding clamp and an arc-shaped grinding machine for the inner wall of a straight pipe, and aims to solve the problems of low efficiency and low precision caused by manual grinding of a glass pipe in the prior art.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

according to a first aspect of an embodiment of the invention:

the invention discloses a grinding clamp which comprises a clamp body, a grinding roller shaft, a grinding roller, a pin, a pressure rod and a supporting mechanism, wherein the supporting mechanism is arranged at the top end of the clamp body, the grinding roller shaft is arranged at the upper end of the supporting mechanism, the grinding roller is sleeved on the grinding roller shaft, the first end of the grinding roller shaft is arranged in an insertion hole at one end of the clamp body, the second end of the grinding roller shaft is fixed at the other end of the clamp body through the pressure rod, one end of the pressure rod is hinged with the clamp body, the other end of the pressure rod abuts against the pin, the pin is movably arranged on the clamp.

Further, the supporting mechanism symmetry sets up two, and the supporting mechanism is including supporting nut, bolt, self-locking nut and screw thread through-hole, and the anchor clamps body middle part sets up the screw thread through-hole, and two bolts are respectively through screw thread through-hole and anchor clamps body spiro union, and self-locking nut and bolt spiro union, self-locking nut are located anchor clamps body upper end, and the supporting nut top is equipped with the standing groove, and the grinding roller axle is installed in the standing groove on supporting nut top, and the supporting nut bottom is equipped with the blind hole, and the supporting nut passes through the blind hole movable sleeve and.

According to a second aspect of an embodiment of the invention:

the invention discloses an arc-shaped grinding machine for the inner wall of a straight pipe, which comprises a grinding clamp, an actuating mechanism and a rack, wherein the grinding clamp is fixed at the top end of the rack, and the actuating mechanism is arranged above the grinding clamp.

Furthermore, the actuating mechanism comprises an actuating motor, an output roller, an adjusting plate, a protective cover, a transmission roller, a transmission belt, an adjusting bolt and an adjusting through groove, the actuating motor is arranged at the rear end of the protective cover along the longitudinal horizontal direction, the output shaft of the actuating motor penetrates through the protective cover to be in transmission connection with the output roller, a plurality of transmission rollers are arranged inside the protective cover, the adjusting through groove is arranged on the axis of the adjusting plate, the adjusting through groove is in threaded connection with the protective cover through the adjusting bolt, the adjusting roller is arranged at the bottom end of the adjusting plate, the transmission belt is sleeved on the output roller, the adjusting roller and.

Furthermore, the device also comprises a vertical feeding mechanism, wherein the execution mechanism is arranged in front of the vertical feeding mechanism and vertically moves along the vertical feeding mechanism.

Further, vertical feed mechanism includes vertical frame, a driving motor, vertical feed rod, vertical lead screw, first carriage apron, vertical feed rod through-hole and vertical lead screw through-hole, first carriage apron is fixed to be set up at vertical frame front end, first carriage apron and safety cover rear end fixed connection, with vertical feed rod through-hole and the vertical setting of vertical lead screw through-hole inside carriage apron, the vertical setting of a driving motor is on vertical frame top, a driving motor output shaft passes vertical frame and is connected with vertical screw drive, the vertical setting of vertical feed rod is inside vertical frame, vertical feed rod is worn to establish in vertical feed rod through-hole, vertical lead screw spiro union is worn to establish inside vertical lead screw through-hole.

Furthermore, the device also comprises a transverse feeding mechanism, wherein the vertical feeding mechanism moves transversely along the transverse feeding mechanism in front of the transverse feeding mechanism.

Further, transverse feeding mechanism includes second driving motor, horizontal frame, horizontal lead screw, horizontal feed rod, horizontal lead screw through-hole, carriage apron case two, horizontal feed rod through-hole and pulley, horizontal feed rod level sets up inside horizontal frame, second driving motor level sets up on horizontal frame outer wall, horizontal lead screw passes horizontal frame outer wall and is connected with second driving motor's output shaft transmission, horizontal lead screw through-hole and the horizontal equal horizontal setting of horizontal feed rod through-hole are inside carriage apron case two, carriage apron case two and vertical frame rear end fixed connection, horizontal frame sets up at carriage apron case two rear, horizontal feed rod is worn to establish in horizontal feed rod through-hole, horizontal lead screw spiro union is worn to establish inside horizontal lead screw through-hole.

Furthermore, the device also comprises a longitudinal feeding mechanism, wherein the transverse feeding mechanism is arranged above the longitudinal feeding mechanism and moves along the longitudinal horizontal direction of the longitudinal feeding mechanism.

Further, the longitudinal feeding mechanism comprises a third driving motor, a longitudinal feed rod, a longitudinal feed screw, a platform frame, a third slide carriage, a longitudinal feed rod through hole, a longitudinal feed screw through hole and a through groove, the third driving motor is horizontally and fixedly arranged on the outer wall of the platform frame, the longitudinal feed rod penetrates through the outer wall of the platform frame and is in transmission connection with an output shaft of the third driving motor, two ends of the longitudinal feed rod are fixedly connected with the outer wall of the platform frame, two longitudinal feed rods are arranged on two sides of the longitudinal feed screw, the axis of the longitudinal feed rod is parallel to the axis of the longitudinal feed screw, the longitudinal feed rod through hole and the longitudinal feed screw through hole are horizontally and longitudinally arranged inside the third slide carriage, the third slide carriage is fixedly arranged at the lower end of the transverse frame, the longitudinal feed rod is arranged in the longitudinal feed rod through hole in a penetrating manner, the longitudinal feed screw is arranged in the.

The embodiment of the invention has the following advantages:

a self-locking nut is arranged on a supporting mechanism, so that the supporting mechanism is prevented from changing position due to loosening of threads. When the grinding clamp is set with the grinding roller shaft camber value, the deflection of the grinding roller shaft can be ensured to be unchanged even under the condition of certain external force, so that the processing precision of the glass tube is ensured. This grinding fixture supports through pin and grinding roller axle, then the position of fixed grinding roller, and the adjusting bolt is twisted simultaneously and the position height that changes supporting mechanism for the grinding roller axle forms certain radian. When the grinding device is used, the glass tube is sleeved on the grinding roll shaft, the grinding roll is sleeved on the glass tube, and the grinding roll contacts with the belt or the grinding roll of the arc-shaped grinding mechanism on the inner wall of other straight tubes, so that the grinding roll rotates around the grinding roll shaft, and the grinding of the glass tube is realized. Therefore, the problems that the glass tube is polished manually in the past, the time and the labor are wasted, the accuracy is poor, and the yield is low are solved.

The utility model provides a straight tube inner wall arc grinds machine, rotates through the vertical lead screw of a driving motor drive, turns into rotary motion linear motion, leads through vertical feed rod simultaneously for the first vertical linear motion of carriage apron case, so that change glass tube blank on anchor clamps, utilize carriage apron case to drive actuating mechanism adjusting position from top to bottom simultaneously, make the relative position of drive belt and grinding roller not change along with the grinding of glass tube blank, thereby improve and grind the precision. In a similar way, the second driving motor drives the transverse lead screw to rotate, so that the second carriage apron box is in transverse horizontal motion, when the driving belt is in contact with the grinding roller, the second carriage apron box drives the actuating mechanism to move left and right, the contact area of the driving belt and the grinding roller is increased, and the grinding efficiency is improved. The third driving motor drives the longitudinal screw rod to rotate, and meanwhile, the longitudinal smooth rod guides the longitudinal screw rod, so that the third slide carriage box moves longitudinally and horizontally, and when the driving belt is in contact with the grinding roller, the third slide carriage box drives the actuating mechanism to move back and forth, so that the driving belt drives the grinding roller to move back and forth, the inner wall of the glass tube is ground more smoothly, and the fault condition of grinding the inner wall of the glass tube is avoided; meanwhile, the grinding roller shaft is more uniformly contacted with the inner wall of the glass tube, and the problem that the grinding roller shaft is deformed due to long-term contact grinding at the same position of the inner wall of the glass tube and the grinding roller shaft is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a perspective view of a combination of a grinding jig and a straight pipe inner wall arc grinder according to embodiment 1 of the present invention;

fig. 2 is a front view of a grinding jig according to embodiment 1 of the present invention;

fig. 3 is a perspective view of a grinding jig according to embodiment 1 of the present invention;

FIG. 4 is a schematic diagram illustrating a grinding jig according to embodiment 1 of the present invention;

FIG. 5 is a front view of an actuator of the straight pipe inner wall arc grinder provided in embodiment 2 of the present invention;

FIG. 6 is a perspective view of an actuator of the straight tube inner wall arc grinder provided in embodiment 2 of the present invention;

fig. 7 is a perspective view of a vertical feeding mechanism of a straight pipe inner wall arc grinder provided in embodiment 2 of the present invention;

FIG. 8 is a perspective view of a lateral feeding mechanism of a straight tube inner wall arc grinder provided in embodiment 2 of the present invention;

FIG. 9 is a perspective view of a longitudinal feeding mechanism of a straight tube inner wall arc grinder provided in embodiment 2 of the present invention;

in the figure: 1, an actuating mechanism; 11 an actuating motor; 12 an output roller; 13 adjusting the roller; 14, adjusting a plate; 15 a protective cover; 16 drive rollers; 17 a conveyor belt; 18 adjusting the bolt; 19 adjusting the through groove; 2, a vertical feeding mechanism; 21 a vertical frame; 22 a first drive motor; 23 vertical feed bars; 24 vertical lead screws; 25, a first slide carriage box; 26 vertical feed rod through holes; 27 vertical lead screw through holes; 3, a transverse feeding mechanism; 31 a second drive motor; 32 a transverse frame; 33 a transverse lead screw; 34 a transverse beam; 35 transverse lead screw through holes; 36 slide carriage box II; 37 a transverse feed bar through hole; 38 pulleys; 4 longitudinal feeding mechanism; 41 a third drive motor; 42 longitudinal optical bars; 43 a longitudinal lead screw; 44 a platform frame; 45, a third slide carriage box; 46 longitudinal through-hole for light bar; 47 longitudinal screw through holes and 48 through grooves; 51 a clamp body; 52 a grinding roller shaft; 53 grinding rolls; 54 pins; 55 a compression bar; 56 a support mechanism; 561 supporting the nut; 562 a bolt; 563 a self-locking nut; 564 a threaded through hole.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 4, according to an embodiment of the present invention, there is provided a grinding jig including a jig body 51, a grinding roller shaft 52, a grinding roller 53, a pin 54, a pressing lever 55, and a support mechanism 56. The clamp body 51 serves as a base member of the overall grinding clamp, on which all the elements and mechanisms of the grinding clamp are mounted, making it integral. The material of the clamp body 51 is preferably rigid material such as cast iron or marble, so as to avoid the problem that the clamp body 51 deforms, which causes processing error of the glass tube. The supporting mechanism 56 is arranged at the top end of the clamp body 51, a placing groove is formed in the top end of the supporting mechanism 56, and the grinding roller shaft 52 is embedded in the groove, so that the grinding roller shaft 52 is positioned and supported. The first end of the grinding roller shaft 52 is arranged in the insertion hole at one end of the clamp body 51, and the second end of the grinding roller shaft 52 is abutted against the pressure rod 55 so as to be fixed at the other end of the clamp body 51, thereby fixing the position of the grinding roller shaft 52 and preventing the grinding roller shaft 52 from moving radially to cause the shape error of a glass tube. One end of a pressure lever 55 is hinged with the clamp body 51, the other end of the pressure lever 55 abuts against a pin 54, and the second end of the grinding roller shaft 52 abuts against the middle of the pressure lever 55, so that the grinding roller shaft 52 is prevented from moving radially, and the inner wall of the glass tube is prevented from generating position deviation. The grinding roller 53 is sleeved on the grinding roller shaft 52, and the grinding roller 53 is preferably made of rubber or flexible materials, so that the friction force between the outer wall of the glass tube and the grinding roller 53 is improved, the outer wall of the glass tube is prevented from being abraded, meanwhile, the effect of damping and buffering the glass tube is achieved, and the problem that the glass tube is broken due to the fact that the glass tube is in hard contact with the grinding roller shaft 52 is avoided. Furthermore, the outer wall of the grinding roller 53 is provided with a rolling groove, and a belt or other grinding devices are arranged in the rolling groove in the grinding process, so that the grinding roller 53 is prevented from falling off. The grinding roller shaft 52 is fixedly arranged on the fixture body 51, and the support mechanism 56 is twisted to enable the grinding roller shaft 52 to be bent upwards to form a certain radian, so that the inner wall of the glass tube can be conveniently ground, and the radian can be formed on the inner wall of the glass tube. Meanwhile, when the glass tube is ground, the grinding roll shaft 52 can be prevented from generating radial run-out, so that the glass tube is fundamentally prevented from vibrating, and the yield of the glass tube is improved.

In an embodiment 1 of the present invention, the supporting mechanism 56 mainly serves to adjust the deflection of the grinding roller shaft 52 upward, so that the two supporting mechanisms 56 are symmetrically arranged, so that the deflection of the grinding roller shaft 52 can be more balanced, thereby reducing the deviation in the grinding process of the glass tube. The supporting mechanism 56 comprises a supporting nut 561, a bolt 562, an anti-slip nut 563 and a threaded through hole 564, the threaded through hole 564 is formed in the middle of the clamp body 51, the two bolts 562 are respectively screwed with the clamp body 51 through the threaded through hole 564, and as the process error required by processing the glass tube is one micron to four microns, in the embodiment 1, a threaded transmission mechanism is preferably selected for the lifting mechanism in the vertical direction to meet the corresponding precision requirement. Further, bolt 562 is twisted so that bolt 562 moves upward along the threads in threaded through hole 564, and the distance of upward movement of bolt 562 is measured by using a micrometer or a vernier caliper, so that quantitative control of displacement of bolt 562 can be realized. In order to avoid the phenomenon that the bolt 562 is automatically loosened due to the load on the bolt 562 in the glass tube processing process, the self-locking nut 563 is screwed on the bolt 562 in the embodiment 1, and the screw thread turning direction of the self-locking nut 563 is opposite to the screw thread turning direction of the screw through hole 564, so that the anti-slip nut 563 is located at the upper end of the clamp body 51, the bolt 562 cannot be screwed downwards, and the complete positioning of the bolt 562 is realized. The top end of the supporting nut 561 is provided with a placing groove, and the grinding roller shaft 52 is installed in the placing groove at the top end of the supporting nut 561, so that the stability of the clamp is improved. The bottom end of the supporting nut 561 is provided with a blind hole, and the supporting nut 561 is movably sleeved on the top end of the bolt 562 through the blind hole. Further, lubricating oil is coated between the top end of the bolt 562 and the blind hole at the bottom end of the supporting nut 561, so as to prevent the supporting nut 561 from obstructing the bolt 562 from twisting when the bolt 562 is twisted to adjust the position.

The invention is used as follows

Firstly, inserting an unprocessed glass tube blank into a grinding roller 53, enabling a grinding roller shaft 52 to be inserted into an unprocessed glass tube, fixing one end of the grinding roller shaft 52 onto a clamp body 51 through a pressing rod, inserting the other end of the grinding roller shaft 52 onto a blind hole of the clamp body 51, then fixedly arranging the clamp body 51 on the upper end surface of a longitudinal feeding mechanism 41, simultaneously changing the position height of a supporting nut 561 through twisting a bolt 562, thereby adjusting the grinding roller shaft 52 to reach proper deflection, finally twisting a self-locking nut 563, enabling the self-locking nut 563 to be in contact with the clamp body 51, thereby fixing the position of a supporting mechanism 56, driving the grinding roller 53 to rotate on the grinding roller shaft 52 through a transmission belt or other straight tube inner wall arc grinding mechanisms, thereby enabling the inner wall of the glass tube inside the grinding roller 53 to be in contact grinding with the grinding roller shaft 52, and enabling the grinding roller shaft 52 to have certain deflection even if the grinding roller shaft 52 is subjected to certain external, the deflection of the grinding roll shaft 52 can be ensured not to change, so that the inner wall of the processed glass tube presents a certain radian, and the processing precision of the glass tube is ensured, thereby solving the problems of time and labor waste, poor precision and low yield of the traditional manual grinding.

Example 2

As shown in fig. 5 to 9, according to embodiment 2 of the present invention, there is provided a straight pipe inner wall arc grinder, including a grinding jig, an actuator 1 and a frame, the grinding jig being fixed to a top end of the frame, the actuator 1 being disposed above the grinding jig. Further, the grinding clamp and the top end of the rack can be fixed through screw connection, and meanwhile, the grinding clamp can be fixed through insertion and connection, and is specifically selected, so that the machining precision of the glass tube can be determined according to needs, when the machining precision is smaller than 4 micrometers, the grinding clamp is fixed through the screw top, and when the machining precision is larger than 4 micrometers, the grinding clamp adopts an insertion and connection fixing mode.

In an embodiment 2 of the present invention, the actuator 1 includes an actuator motor 11, an output roller 12, an adjusting roller 13, a protective cover 15, a transmission roller 16, a transmission belt 17, an output shaft of the actuator motor 11 penetrates through the protective cover 15 to be in transmission connection with the output roller 12, the output shaft of the actuator motor 11 drives the output roller 12 to rotate, so as to provide power for the actuator 1, the protective cover 15 is internally provided with a plurality of transmission rollers 16, and outer walls of the transmission rollers 16 can freely roll along an axial direction. The output roller 12 drives the roller 16 to be connected in a transmission way through a transmission belt 17, meanwhile, the protective cover 15 is further provided with an adjusting mechanism, the adjusting mechanism comprises an adjusting plate 14, an adjusting roller 13, an adjusting bolt 18 and an adjusting through groove 19, the adjusting bolt 18 is movably sleeved on the adjusting plate 14, the adjusting through groove 19 is formed in the axis of the adjusting plate 14, and the adjusting bolt 18 penetrates through the adjusting through groove 19 to be in threaded connection with the protective cover 15. When the degree of expansion of the conveyor belt 17 needs to be adjusted, the degree of expansion can be adjusted by changing the position of the adjusting bolt 18 screwed and fixed in the adjusting through groove 19 and simultaneously changing the position angle of the adjusting plate 14 relative to the protective cover 15. The transmission belt 17 is sleeved on the output roller 12, the adjusting roller 13 and the transmission roller 16, the output roller 12 drives the adjusting roller 13 and the transmission roller 16 to roll through the transmission belt 17, the output roller 12, the adjusting roller 13 and the transmission roller 16 mutually tension the transmission belt 17, and finally the transmission belt 17 is in contact with the grinding roller 53 to drive the grinding roller 53 to enable the glass tube to be in contact friction with the grinding roller shaft 52, so that the grinding of the glass tube is completed.

In a specific embodiment 2 of the invention, the glass tube processing device further comprises a vertical feeding mechanism 2, the actuating mechanism 1 is arranged in front of the vertical feeding mechanism 2, the actuating mechanism 1 moves vertically along the vertical feeding mechanism 2, and the vertical feeding mechanism 2 is used for controlling the actuating mechanism 1 to perform vertical feeding motion perpendicular to the frame, further, when the glass tube processing is completed, the actuating mechanism 1 is lifted, so that an operator can open a clamp in time to replace a glass tube blank, and meanwhile, the operator controls the vertical position of the actuating mechanism 1 by adjusting the vertical feeding mechanism 2, so that the relative position of the actuating mechanism 1 and the glass tube blank is ensured, and the problem of insufficient grinding is prevented.

In an embodiment 2 of the present invention, the vertical feeding mechanism 2 includes a vertical frame 21, a first driving motor 22, a vertical feed rod 23, a vertical feed screw 24, a first slide box 25, a vertical feed rod through hole 26 and a vertical feed screw through hole 27, the first slide box 25 is fixedly disposed at the front end of the vertical frame 21, the first slide box 25 is fixedly connected with the rear end of the protection cover 15, and the first slide box 25 is preferably fixed to the protection cover 15 by screwing, so as to facilitate the disassembly and maintenance of the first slide box 25. The first driving motor 22 is vertically arranged at the top end of the vertical rack 21, an output shaft of the first driving motor 22 penetrates through the vertical rack 21 to be in transmission connection with the vertical lead screw 24, and the first driving motor 22 drives the vertical lead screw 24 to axially rotate. Further, the first driving motor 22 is a servo motor, and is electrically connected to the PLC through a serial port of the microcomputer RS-232, so as to convert the received electrical signal into an angular displacement or an angular velocity output on the shaft of the first driving motor 22, and control the rotation angle by controlling the pulse time, thereby realizing quantitative control of the movement of the first driving motor 22. Vertical setting of vertical feed rod through-hole 26 and vertical lead screw through-hole 27 is inside carriage case 25, and vertical setting of vertical feed rod 23 is inside vertical frame 21, and vertical feed rod 23 wears to establish in vertical feed rod through-hole 26, and vertical feed rod 23 and the cooperation of vertical feed rod through-hole 26 have mainly played the effect for carriage case 25 fixed direction, and vertical lead screw 24 spiro union is worn to establish inside vertical lead screw through-hole 27, vertical lead screw 24 forms the screw thread pair with the cooperation of vertical lead screw through-hole 27 for carriage case 25 drives actuating mechanism 1 and makes linear motion along vertical feed rod 23 under the effect of first driving motor 22.

In an embodiment 2 of the invention, the device further comprises a transverse feeding mechanism 3, the vertical feeding mechanism 2 is arranged in front of the transverse feeding mechanism 3, the vertical feeding mechanism 2 moves transversely along the transverse feeding mechanism 3, and the transverse feeding mechanism 3 is used for controlling the actuator 1 to perform linear feeding motion parallel to the frame. Furthermore, a plurality of grinding clamps can be transversely arranged on the upper end face of the frame at the same time, after the execution mechanism 1 finishes processing a glass tube, the execution mechanism simultaneously moves vertically and transversely and reaches the upper end of the next grinding clamp for processing, so that the working hours are effectively saved, and the labor efficiency is improved.

In a specific embodiment 2 of the present invention, the transverse feeding mechanism 3 includes a second driving motor 31, a transverse frame 32, a transverse screw 33, a transverse feed bar 34, a transverse screw through hole 35, a slide carriage box 36, a transverse feed bar through hole 37 and a pulley 38, the second driving motor 31 is horizontally disposed on an outer wall of the transverse frame 32, the transverse screw 33 passes through the outer wall of the transverse frame 32 and is in transmission connection with an output shaft of the second driving motor 31, the second driving motor 31 drives the transverse screw 33 to rotate, further, the second driving motor 31 is a servo motor, and is electrically connected to the PLC through a microcomputer RS-232 serial port, so as to convert a received electrical signal into an angular displacement or an angular velocity output on a shaft of the second driving motor 31 and control a rotation angle by controlling the length of a pulse time, thereby implementing quantitative control on the movement of the second driving motor 31; the transverse screw rod through hole 35 and the transverse feed bar through hole 37 are horizontally and transversely arranged inside the second slide carriage box 36, a thread is arranged in the transverse screw rod through hole 35, the transverse screw rod 33 is in threaded connection with the transverse screw rod through hole 35 in a penetrating manner, the transverse screw rod 33 is matched with the transverse screw rod through hole 35 to form a thread pair, the transverse feed bar 34 is horizontally arranged inside the transverse rack 32, the transverse feed bar 34 is in a penetrating manner in the transverse feed bar through hole 37, and the transverse feed bar 34 is matched with the transverse feed bar through hole 37 to play a role in guiding the second slide carriage box 36; simultaneously under the effect is rotated to horizontal lead screw 33, the second 36 of slide carriage box is linear motion along horizontal feed bar 34, second 36 of slide carriage box and vertical frame 21 rear end fixed connection, further, the preferred spiro union of connected mode to maintain second 36 of slide carriage box, horizontal frame 32 sets up in second 36 rear of slide carriage box, horizontal feed bar 34 level sets up inside horizontal frame 32, horizontal feed bar 34 wears to establish in horizontal feed bar through-hole 37, realizes the control to second 36 of slide carriage box through horizontal frame 32 from this.

In an embodiment 2 of the present invention, the present invention further comprises a longitudinal feeding mechanism 4, the transverse feeding mechanism 3 is arranged above the longitudinal feeding mechanism 4, and the transverse feeding mechanism 3 moves along the longitudinal direction and the horizontal direction of the longitudinal feeding mechanism 4. Further, an operator controls the actuating mechanism 1 to move longitudinally by adjusting the longitudinal feeding mechanism 4, so that the actuating mechanism 1 moves back and forth in the grinding process, the glass tube blank is fully contacted with the grinding roller shaft, and the problem of uneven grinding of the glass tube is prevented.

In an embodiment 2 of the present invention, the longitudinal feeding mechanism 4 includes a third driving motor 41, a longitudinal feed bar 42, a longitudinal feed screw 43, a platform frame 44, a saddle box three 45, a longitudinal feed bar through hole 46, a longitudinal feed screw through hole 47, and a through groove 48, the third driving motor 41 is horizontally and longitudinally fixed on an outer wall of the platform frame 44, the longitudinal feed bar 42 penetrates through the outer wall of the platform frame 44 and is in transmission connection with an output shaft of the third driving motor 41, and the third driving motor 41 drives the longitudinal feed screw 43 to axially rotate. Furthermore, the third driving motor 41 is a servo motor, is electrically connected with the PLC through a microcomputer RS-232 serial port, converts a received electric signal into an angular displacement or an angular speed on a shaft of the third driving motor 41 to be output, and controls a rotation angle through controlling the length of pulse time, so that quantitative control of the motion of the third driving motor 41 is realized, two ends of a longitudinal light bar 42 are fixedly connected with the outer wall of the platform rack 44, the longitudinal light bar 42 mainly plays a role of guiding the third slide carriage box 45, two longitudinal light bars 42 are arranged on two sides of a longitudinal lead screw 43, and the axis of the longitudinal light bar 42 is parallel to the axis of the longitudinal lead screw 43, so that the directional movement of the third slide carriage box 45 is prevented from being hindered; the longitudinal feed screw through hole 46 and the longitudinal feed screw through hole 47 are both horizontally arranged inside the third slide carriage box 45, a transmission thread is arranged in the longitudinal feed screw through hole 47, the longitudinal feed screw through hole 47 is matched with the longitudinal feed screw 42 to form a thread pair, the third slide carriage box 45 is fixedly arranged at the lower end of the transverse rack 32, the third slide carriage box 45 and the transverse rack 32 are preferably in a screwed connection and fixed connection mode, so as to be convenient for later maintenance of the third slide carriage box 45, the longitudinal smooth rod 42 is arranged in the longitudinal smooth rod through hole 46 in a penetrating way, further, the longitudinal smooth rod 42 is coated with lubricating oil to enhance the smoothness of the movement of the third slide carriage box 45, the longitudinal lead screw 43 is arranged in the longitudinal lead screw through hole 47 in a penetrating way in a threaded way, therefore, the longitudinal screw 43 is axially rotated into axial linear motion through the transmission of the thread pair, and the upper end face of the platform frame 44 penetrates through the through groove 48, so that the longitudinal feeding mechanism 4 controls the transverse feeding mechanism 3.

The use process of the invention is as follows:

the straight pipe inner wall arc grinding machine is started, the first driving motor 22, the second driving motor 31 and the third driving motor 41 are controlled through the computer, the first carriage box 25, the second carriage box 36 and the third carriage box 45 are driven by the first driving motor 22, the second driving motor 31 and the third driving motor 41 to move vertically, longitudinally and transversely respectively, and the first carriage box 25 is fixedly connected with the executing mechanism, so that the executing mechanism can stop at any point in a three-dimensional space formed by the vertical light bar 23, the transverse light bar 34 and the longitudinal light bar 46. The actuating mechanism 1 drives the output roller 12 to rotate through the actuating motor 11, the transmission belt 17 is sleeved on the output roller 12, the adjusting roller 13 and the transmission roller 16, the output roller 12 drives the adjusting roller 13 and the transmission roller 16 to roll through the transmission belt 17, the output roller 12, the adjusting roller 13 and the transmission roller 16 mutually tension the transmission belt 17, and finally the transmission belt 17 is in contact with the grinding roller 53 to drive the grinding roller 53 to enable the glass tube to be in contact friction with the grinding roller shaft 52, so that the grinding of the glass tube is completed. In the process of grinding, the actuator 1 vertically adjusts the position, so that the relative position of the transmission belt 17 and the grinding roller 53 is not changed along with the grinding of the glass tube blank, and the grinding precision is improved. The actuating mechanism 1 can increase the contact area of the transmission belt and the grinding roller by transversely adjusting the position, thereby improving the grinding efficiency. The actuating mechanism 1 longitudinally adjusts the position, so that the grinding roller is driven by the driving belt to move back and forth, the inner wall of the glass tube is ground more smoothly, and the fault condition of the inner wall of the glass tube is prevented from being ground; meanwhile, the grinding roller shaft is more uniformly contacted with the inner wall of the glass tube, and the problem that the grinding roller shaft is deformed due to long-term contact grinding at the same position of the inner wall of the glass tube and the grinding roller shaft is solved.

The above embodiment is a processing process for performing a grinding operation mainly on a glass tube blank, and further, the present invention is also applicable to a tube made of other materials such as metal, ore, organic matter, etc., as a grinding object.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A grinding clamp is characterized by comprising a clamp body (51), a grinding roller shaft (52), a grinding roller (53), a pin (54), a pressure lever (55) and a supporting mechanism (56), the top end of the clamp body (51) is provided with a supporting mechanism (56), the upper end of the supporting mechanism (56) is provided with a grinding roller shaft (52), the grinding roller (53) is sleeved on the grinding roller shaft (52), the first end of the grinding roller shaft (52) is arranged in the jack at one end of the clamp body (51), the second end of the grinding roll shaft (52) is fixed at the other end of the clamp body (51) through the pressure lever (55), one end of the pressure lever (55) is hinged with the clamp body (51), the other end of the pressure lever (55) is propped against the pin (54), the pin (54) is movably arranged on the clamp body (51) in a penetrating manner, and the second end of the grinding roll shaft (52) is abutted against the middle part of the pressure lever (55);

the supporting mechanism (56) is symmetrically provided with two supporting mechanisms, each supporting mechanism (56) comprises a supporting nut (561), a bolt (562), a self-locking nut (563) and a threaded through hole (564), the threaded through hole (564) is formed in the middle of each clamp body (51), the bolts (562) are in threaded connection with the clamp bodies (51) through the threaded through holes (564) respectively, the self-locking nuts (563) are in threaded connection with the bolts (562), the self-locking nuts (563) are located at the upper ends of the clamp bodies (51), a placing groove is formed in the top ends of the supporting nuts (561), the grinding roller shaft (52) is installed in the placing groove in the top ends of the supporting nuts (561), blind holes are formed in the bottom ends of the supporting nuts (561), and the supporting nuts (561) are movably sleeved on the top ends of the bolts (562).

2. A straight pipe inner wall arc-shaped grinding machine is characterized by comprising the grinding clamp, an actuating mechanism (1) and a machine frame according to claim 1, wherein the grinding clamp is fixed at the top end of the machine frame, and the actuating mechanism (1) is arranged above the grinding clamp;

the actuating mechanism (1) comprises an actuating motor (11), an output roller (12), an adjusting roller (13), an adjusting plate (14), a protective cover (15), a transmission roller (16), a transmission belt (17), an adjusting bolt (18) and an adjusting through groove (19), wherein the actuating motor (11) is arranged at the rear end of the protective cover (15) along the longitudinal horizontal direction, an output shaft of the actuating motor (11) penetrates through the protective cover (15) to be in transmission connection with the output roller (12), the protective cover (15) is internally provided with the plurality of transmission rollers (16), the adjusting through groove (19) is arranged on a central axis of the adjusting plate (14), the adjusting through groove (19) is in threaded connection with the protective cover (15) through the adjusting bolt (18), the adjusting roller (13) is arranged at the bottom end of the adjusting plate (14), the transmission belt (17) is sleeved on the output roller (12), the adjusting roller (13) and the transmission roller (, the transmission belt (17) is in transmission connection with the grinding roller (53);

the device is characterized by further comprising a vertical feeding mechanism (2), wherein the executing mechanism (1) is arranged in front of the vertical feeding mechanism (2), and the executing mechanism (1) vertically moves along the vertical feeding mechanism (2);

the vertical feeding mechanism (2) comprises a vertical rack (21), a first driving motor (22), a vertical feed bar (23), a vertical lead screw (24), a first slide carriage box (25), a vertical feed bar through hole (26) and a vertical lead screw through hole (27), wherein the first slide carriage box (25) is fixedly arranged at the front end of the vertical rack (21), the first slide carriage box (25) is fixedly connected with the rear end of the protective cover (15) and is vertically arranged inside the first slide carriage box (25) together with the vertical feed bar through hole (26) and the vertical lead screw through hole (27), the first driving motor (22) is vertically arranged at the top end of the vertical rack (21), an output shaft of the first driving motor (22) penetrates through the vertical rack (21) to be in transmission connection with the vertical lead screw (24), the vertical feed bar (23) is vertically arranged inside the vertical rack (21), and the vertical feed bar (23) penetrates through the vertical feed bar through hole (26), the vertical screw rod (24) is in threaded connection with and penetrates through the vertical screw rod through hole (27);

the device is characterized by also comprising a transverse feeding mechanism (3), wherein the vertical feeding mechanism (2) and the transverse feeding mechanism (3) are in front of each other, and the vertical feeding mechanism (2) moves transversely along the transverse feeding mechanism (3);

the transverse feeding mechanism (3) comprises a second driving motor (31), a transverse rack (32), a transverse lead screw (33), a transverse feed bar (34), a transverse lead screw through hole (35), a slide carriage box II (36), a transverse feed bar through hole (37) and a pulley (38), wherein the transverse feed bar (34) is horizontally arranged inside the transverse rack (32), the second driving motor (31) is horizontally arranged on the outer wall of the transverse rack (32), the transverse lead screw (33) penetrates through the outer wall of the transverse rack (32) and is in transmission connection with an output shaft of the second driving motor (31), the transverse lead screw through hole (35) and the transverse feed bar through hole (37) are horizontally arranged inside the slide carriage box II (36), the slide carriage box II (36) is fixedly connected with the rear end of the vertical rack (21), the transverse rack (32) is arranged behind the slide carriage box II (36), and the transverse feed bar (34) is arranged in the transverse feed bar through hole (37), the transverse screw rod (33) is in threaded connection with the inner part of the transverse screw rod through hole (35);

the horizontal feeding mechanism (3) is arranged above the longitudinal feeding mechanism (4), and the horizontal feeding mechanism (3) moves along the longitudinal horizontal direction of the longitudinal feeding mechanism (4);

the longitudinal feeding mechanism (4) comprises a third driving motor (41), a longitudinal feed bar (42), a longitudinal screw rod (43), a platform rack (44), a slide carriage box III (45), a longitudinal feed bar through hole (46), a longitudinal feed bar through hole (47) and a through groove (48), the third driving motor (41) is horizontally and fixedly arranged on the outer wall of the platform rack (44), the longitudinal feed bar (42) penetrates through the outer wall of the platform rack (44) and is in transmission connection with an output shaft of the third driving motor (41), two ends of the longitudinal feed bar (42) are fixedly connected with the outer wall of the platform rack (44), two longitudinal feed bars (42) are arranged on two sides of the longitudinal feed bar (43), the axis of the longitudinal feed bar (42) is parallel to the axis of the longitudinal feed bar (43), the longitudinal feed bar through hole (46) and the longitudinal feed bar through hole (47) are both horizontally and longitudinally arranged inside the slide carriage box III (45), the third slide carriage box (45) is fixedly arranged at the lower end of the transverse rack (32), the longitudinal feed bar (42) is arranged in a longitudinal feed bar through hole (46) in a penetrating mode, the longitudinal screw rod (43) is arranged in a penetrating mode inside the longitudinal screw rod through hole (47) in a penetrating mode, and the upper end face of the platform rack (44) is arranged inside the through groove (48) in a penetrating mode.