Grinding equipment capable of adjusting feeding amount

Abstract

The invention relates to the technical field of grinding equipment, and discloses grinding equipment capable of adjusting the feeding amount, which comprises a driving subassembly and further comprises a feeding module arranged in the driving subassembly, an abrasive belt wound outside the driving subassembly and a wheel carrier fixedly connected to the bottom end of a pressed part, and the interior of the pressed part is attached to the exterior of a side circular sleeve. The positioning arc block is located between the pressed part and the contact wheel and located below the side circular sleeve, when the side circular sleeve deviates, the upward pushing unit pushes the positioning arc block to move upwards to position the side circular sleeve through the pressed part and the transmission unit, and the steel pipe is placed below the contact wheel. When the contact wheel deviates, the pressed part is extruded, the positioning arc block moves upwards to position the contact wheel, and therefore the attaching degree of the contact wheel and the abrasive belt can be accurately controlled, the product quality is guaranteed, the repeated grinding situation is reduced, the production period is shortened, the yield in unit time is increased, and the rejection rate caused by the product quality problem is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of grinding equipment, and in particular to a grinding equipment capable of adjusting feed amount. Background Art

[0002] In the current field of steel pipe weld grinding technology, abrasive belts are mainly used in conjunction with grinding tools to grind steel pipe welds. Grinding tools are generally equipped with a rotating wheel, which plays a key role in the grinding process. It establishes its relative position with the steel pipe weld and uses its function of limiting contact with the steel pipe to ensure that the abrasive belt can run stably on the surface of the steel pipe weld, accurately control the grinding height and position, and strive to make the ground steel pipe weld meet production standards.

[0003] However, in the prior art, in the grinding operation link of industrial production, the rotating wheel relied on for the grinding operation is continuously subjected to severe friction loss during long-term and high-intensity use. Since the rotating wheel has to bear both its own gravity and the driving force given by the external driving device when working, under the joint action of these two forces, the top of the rotating shaft inside the rotating wheel is gradually worn. As the degree of wear deepens, the structure of the top of the rotating shaft is destroyed, and the rotating wheel loses its original stable support and will deviate downward. During the operation of the rotating wheel, it will also be subjected to the driving rotational force transmitted by the sanding belt. When the rotating wheel moves downward due to the wear of the rotating shaft, the driving rotational force of the sanding belt will cause the rotating wheel to have a tendency to move back upward, which causes the rotating wheel to continuously move up and down during operation. At the same time, the rotating wheel is affected by wear, and the force on both sides is no longer uniform, and then it tilts to both sides. The inclination of the rotating wheel directly causes the deviation of the relative position between the sanding belt and the steel pipe weld. Due to the change in the relative position of the sanding belt and the steel pipe weld, the grinding height also fluctuates. In actual production, this offset distance is small and difficult to detect and cannot be adjusted in time, resulting in damage to the steel pipe base material, which destroys the overall structure and performance of the steel pipe, directly reducing the product quality. At the same time, the original grinding effect is difficult to achieve, and the same steel pipe needs to be repeatedly ground. This not only greatly increases the workload of equipment grinding, but also seriously limits the working efficiency of the equipment and cannot meet the requirements of the production schedule. It will also lead to a substantial increase in production costs, seriously hindering the smooth progress of production.

[0004] Therefore, a grinding device with adjustable feed rate is proposed to ensure timely positioning of the grinding wheel and improve the grinding quality and equipment operation efficiency. Summary of the invention

[0005] The purpose of the present invention is to provide a grinding device capable of adjusting the feed rate, so as to solve the problem of uncontrolled grinding height caused by wear of the abrasive belt and the rotating wheel.

[0006] The technical solution of the present invention is: a grinding device capable of adjusting the feed amount, comprising a driving assembly, a feeding module arranged inside the driving assembly, an abrasive belt wound around the outside of the driving assembly, a wheel frame fixedly connected to the bottom end of the pressure-bearing piece, a pressure-bearing piece connected inside the wheel frame, an extrusion piece and a positioning arc block slidably connected inside the wheel frame, a transmission unit fixedly connected to the bottom end of the pressure-bearing piece, an upward push unit arranged inside the bottom end of the wheel frame, the extrusion piece is perpendicular to the sliding direction of the positioning arc block, the wheel frame comprises a supporting shell fixedly connected to the bottom of the feeding module, a rotating An inner shaft movably connected to the inside of the support shell, a contact wheel rotatably connected to the outside of the inner shaft, side circular sleeves are fixedly connected on both sides of the contact wheel, two of the pressure-bearing part, the extrusion part, the positioning arc block, the transmission unit and the push-up unit are each provided and are symmetrical about the central axis of the inner shaft, the inside of the pressure-bearing part fits with the outside of the side circular sleeve, the positioning arc block is located between the pressure-bearing part and the contact wheel, the positioning arc block is located below the side circular sleeve, and when the side circular sleeve is offset, the pressure-bearing part and the transmission unit are used to enable the push-up unit to push the positioning arc block upward to position the side circular sleeve.

[0007] Furthermore, the pressure-bearing part includes a ring frame arranged outside the side circular sleeve, and a spring telescopic rod connected between the support shell and the ring frame, two spring telescopic rods are provided and are symmetrical about the central axis of the ring frame, a limit plate is provided at the bottom of the support shell, the limit plate is located above the ring frame, and the bottom end of the ring frame is a magnetic block.

[0008] Furthermore, the positioning arc block includes an initial position, a plurality of bevel teeth are equidistantly arranged on one side of the positioning arc block close to the push-up unit, a plurality of square grooves are equidistantly opened on the other side of the positioning arc block, the equidistant lengths of the bevel teeth and the square grooves are the same, the positioning arc block does not contact the side circular sleeve when in the initial position, and the inner diameter of the top of the positioning arc block is the same as the outer diameter of the side circular sleeve.

[0009] Furthermore, the extrusion member includes a connecting rod slidably connected to the inside of the supporting shell, a pressure block fixedly connected to one end of the connecting rod, a square block fixedly connected to the other end of the connecting rod, and a return spring connected between the push-up unit and the pressure block, the elastic coefficient of the spring telescopic rod is greater than that of the return spring, and a magnetic sheet is arranged in the middle of the connecting rod.

[0010] A limit bar is arranged on the top of the square block, and the length of the limit bar is equal to the length of the square groove. An arc piece is arranged on the top of the pressing block, and the height of the arc piece is the same as the equidistant length of the bevel teeth. A round bar is arranged on the side of the pressing block close to the transmission unit, and the round bar is located inside the transmission unit.

[0011] Furthermore, side plates are provided on both sides of the support shell, a plurality of support rods are provided inside the side plates, and the connecting rods and the positioning arc blocks are both slidably connected to the outside of the support rods.

[0012] Furthermore, the pushing unit includes a slot frame fixedly connected to the bottom of the side plate, an inclined cone block connected to the inside of the slot frame, a rotating shaft slidably connected to the inside of the slot frame, a one-way torsion spring connected between the inclined cone block and the rotating shaft, and a round rod fixedly connected to the inside of the slot frame, the round rod is located below the inclined cone block, the inclined cone block is rotatably connected to the outside of the rotating shaft, and when the positioning arc block is in the initial position, the spacing between the pressure block and the inclined cone block is equal to the length of the limit bar.

[0013] Furthermore, the transmission unit includes a connecting bar with one end fixedly connected to the bottom end of the ring frame, a transmission block fixedly connected to the other end of the connecting bar, and a limiting plate rotatably connected to the inside of the transmission block, and the distance from the top of the limiting plate to the top of the inner wall of the triangular groove is greater than the diameter of the round bar.

[0014] A triangular groove is provided inside the transmission block, the round bar is located inside the triangular groove, the inside of the triangular groove is divided into a vertical section and a slope section, a reset torsion spring is connected between the limit plate and the connecting bar, a limit convex strip is provided outside the transmission block, a round convex block is provided at a position of the limit plate near the limit convex strip, and the limit convex strip is fitted with the round convex block.

[0015] Furthermore, the equidistant distance of the oblique teeth is equal to the height of the triangular groove, the middle part of the slot frame is a vertical plate, and when the positioning arc block is in the initial position, the distance between the pressure block and the vertical plate is equal to the length of the triangular groove, and the distance between the positioning arc block and the side circular sleeve is equal to the height of the triangular groove.

[0016] Furthermore, one side of the driving device is rotatably connected to a transmission wheel, the interior of the driving device is fixedly connected to a tensioning wheel, the bottom of the driving device is symmetrically rotatably connected to two deviation correction wheels, and the other side of the driving device is fixedly provided with a driver, and the output end of the driver is fixedly connected to the transmission wheel.

[0017] Furthermore, the feed module includes a servo motor fixedly connected to the driving part, a transmission frame fixedly connected to the inside of the servo motor, and two limiting wheels symmetrically connected to the bottom end of the servo motor for rotation, the contact wheel is located between the two limiting wheels, and the abrasive belt is wound around the outside of the transmission wheel, the tensioning wheel, the deviation correction wheel, the limiting wheel and the contact wheel.

[0018] Beneficial effects of the present invention:

[0019] 1. When the contact wheel is offset, it squeezes the pressure part, so that the positioning arc block moves up to position the contact wheel, so as to accurately control the fit between the contact wheel and the abrasive belt, and control the relative position of the contact wheel and the steel pipe, so as to avoid fluctuations in the grinding height caused by the offset and tilt of the positioning arc block, realize automatic adjustment, ensure that the abrasive belt always acts stably on the weld of the steel pipe, avoid damage to the parent material, greatly improve the grinding accuracy, ensure product quality, reduce repeated grinding, shorten the production cycle, increase the output per unit time, and reduce the scrap rate caused by product quality problems.

[0020] 2. The transmission unit is driven by the pressure-bearing part when it moves downward, and the transmission unit is used to extrude and control the extrusion part. The mutually extruded positions are directly made of solid materials, so that the equipment can maintain a stable shape and performance for a long time, ensuring the accurate positioning of the positioning arc block on the contact wheel. Especially in the grinding operation environment, it can still work stably and has strong environmental adaptability and tolerance, thereby extending the service life of key components of the equipment, reducing the frequency of equipment replacement and maintenance, and reducing long-term use costs. With daily maintenance, the equipment can operate stably for a long time and reduce production interruptions caused by sudden failures.

[0021] 3. Through the tensioning wheel and servo motor components on the equipment, workers can adjust the position of the limit wheel and the contact wheel in time, accurately match the weld height of steel pipes of different models, and quickly adjust the grinding position to ensure that the grinding tool always acts on the weld, avoiding insufficient or excessive grinding of the weld due to grinding position deviation, effectively ensuring product quality, and flexibly adjusting the limit wheel and the contact wheel through the tensioning wheel and servo motor, so that the grinding operation avoids the shape interference area and focuses on weld grinding, meeting the production requirements of steel pipes of different shapes, improving the versatility and adaptability of the equipment, and broadening the application range of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic diagram of a three-dimensional structure of the present invention from a first viewing angle;

[0023] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 3 The schematic diagram of the feed die structure of the present invention is

[0025] Figure 4 It is a structural schematic diagram of the wheel frame of the present invention;

[0026] Figure 5 It is a structural schematic diagram of the pressure-bearing member of the present invention;

[0027] Figure 6 It is a cross-sectional view of the extrusion piece and the positioning arc block of the present invention;

[0028] Figure 7 The present invention is Figure 6 The enlarged schematic diagram of point A in the middle;

[0029] Figure 8 It is a structural schematic diagram of the transmission unit of the present invention;

[0030] Fig. 9 It is a structural schematic diagram of the triangular groove of the present invention;

[0031] Fig.10 For the present invention Figure 8 A magnified schematic diagram of point B in the middle.

[0032] In the figure:

[0033] 1. Driving assembly; 101. Driving wheel; 102. Tensioning wheel; 103. Correction wheel; 104. Driver; 2. Feed module; 21. Servo motor; 22. Driving frame; 23. Limiting wheel; 3. Abrasive belt; 4. Wheel frame; 41. Support shell; 411. Limiting plate; 412. Side plate; 413. Support rod; 42. Inner shaft; 43. Contact wheel; 431. Side sleeve; 5. Pressure piece; 51. Ring frame; 511. Magnetic block; 52. Spring telescopic rod; 6. Extrusion piece; 61. Connecting rod; 611. Magnetic sheet; 62. Pressing block; 621 , arc-shaped piece; 622, round bar; 63, square block; 631, limit bar; 64, return spring; 7, positioning arc block; 71, oblique teeth; 72, square groove; 8, transmission unit; 81, connecting bar; 82, transmission block; 821, triangular groove; 8211, vertical section; 8212, slope section; 822, limit convex strip; 83, limit piece; 831, return torsion spring; 832, round convex block; 9, push-up unit; 91, notch frame; 911, vertical plate; 92, oblique cone block; 93, rotating shaft; 94, one-way torsion spring; 95, round rod; 10, steel pipe. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0035] Reference Figure 1-Figure 10, an embodiment of the present invention provides a grinding device capable of adjusting the feed amount, comprising a driving device 1, a feeding module 2 arranged inside the driving device 1, an abrasive belt 3 wound around the outside of the driving device 1, a wheel frame 4 fixedly connected to the bottom end of a pressure-bearing member 5, a pressure-bearing member 5 connected inside the wheel frame 4, an extrusion member 6 and a positioning arc block 7 slidably connected inside the wheel frame 4, a transmission unit 8 fixedly connected to the bottom end of the pressure-bearing member 5, an upward push unit 9 arranged inside the bottom end of the wheel frame 4, the extrusion member 6 is perpendicular to the sliding direction of the positioning arc block 7, the wheel frame 4 comprises a supporting shell 41 fixedly connected to the bottom of the feeding module 2, a The inner shaft 42 is rotatably connected to the contact wheel 43 outside the inner shaft 42, and the side circular sleeves 431 are fixedly connected on both sides of the contact wheel 43. The pressure piece 5, the extrusion piece 6, the positioning arc block 7, the transmission unit 8 and the push-up unit 9 are each provided with two and symmetrical about the central axis of the inner shaft 42. The inside of the pressure piece 5 fits with the outside of the side circular sleeve 431, the positioning arc block 7 is located between the pressure piece 5 and the contact wheel 43, and the positioning arc block 7 is located below the side circular sleeve 431. When the side circular sleeve 431 is offset, the pressure piece 5 and the transmission unit 8 are used to enable the push-up unit 9 to push the positioning arc block 7 upward to position the side circular sleeve 431, and the steel pipe 10 is placed below the contact wheel 43.

[0036] The pressure-bearing member 5 includes a ring frame 51 arranged outside the side circular sleeve 431, and a spring telescopic rod 52 connected between the support shell 41 and the ring frame 51. Two spring telescopic rods 52 are provided and are symmetrical about the central axis of the ring frame 51. A limiting plate 411 is provided at the bottom of the support shell 41. The limiting plate 411 is located above the ring frame 51. The height of the ring frame 51 is limited by the limiting plate 411. The number and position of the limiting plates 411 correspond one-to-one to the magnetic block 511. The bottom end of the ring frame 51 is the magnetic block 511.

[0037] Specifically, as the contact wheel 43 and the inner shaft 42 wear, the contact wheel 43 is offset. After wear, the contact wheel 43 is affected by gravity and the transmission force of the abrasive belt 3, and both sides of the contact wheel 43 are offset evenly. Therefore, the two side circular sleeves 431 on both sides of the contact wheel 43 are used to trigger the pressure piece 5 when the side circular sleeves 43 are offset with the contact wheel 43, so that the positioning arc block 7 positions the side circular sleeves 431, thereby positioning the contact wheel 43.

[0038] Reference Figure 1-Figure 7 The positioning arc block 7 includes an initial position, a plurality of bevel teeth 71 are equidistantly arranged on one side of the positioning arc block 7 close to the push-up unit 9, and a plurality of square grooves 72 are equidistantly opened on the other side of the positioning arc block 7. The equidistant lengths of the bevel teeth 71 and the square grooves 72 are the same. When the positioning arc block 7 is in the initial position, it does not contact the side circular sleeve 431 to avoid wear of the positioning arc block 7. The inner diameter of the top of the positioning arc block 7 is the same as the outer diameter of the side circular sleeve 431, thereby ensuring that when the positioning arc block 7 contacts the side circular sleeve 431, the positioning arc block 7 can better support the contact wheel 43.

[0039] Reference Figure 2-Figure 5 The extrusion member 6 includes a connecting rod 61 slidably connected to the inside of the supporting shell 41, a pressure block 62 fixedly connected to one end of the connecting rod 61, a square block 63 fixedly connected to the other end of the connecting rod 61, and a return spring 64 connected between the push-up unit 9 and the pressure block 62. The elastic coefficient of the spring telescopic rod 52 is greater than the return spring 64. When the spring telescopic rod 52 pulls the ring frame 51 back, the two spring telescopic rods 52 are used to make the ring frame 51 pull the transmission unit 8, thereby compressing the return spring 64 for the next use. A magnetic sheet 611 is provided in the middle of the connecting rod 61, and the magnetic sheet 611 is located directly below the magnetic block 511. When the positioning arc block 7 is in the initial position, the distance between the bottom end of the magnetic sheet 611 and the bottom end of the magnetic block 511 is equal to the distance between the positioning arc block 7 and the contact wheel 43, thereby ensuring that the magnetic sheet 611 and the magnetic block 511 are accurately adsorbed.

[0040] A limit bar 631 is provided on the top of the square block 63, and the length of the limit bar 631 is equal to the length of the square groove 72. An arc piece 621 is provided on the top of the pressing block 62, and the height of the arc piece 621 is the same as the equidistant length of the bevel teeth 71. A round bar 622 is provided on the side of the pressing block 62 close to the transmission unit 8. The round bar 622 is located inside the transmission unit 8. The transmission unit 8 is controlled by the ring frame 51, and the transmission unit 8 uses the round bar 622 to control the overall position of the extrusion member 6, so that the ring frame 51 can control the position of the extrusion member 6 through the transmission unit 8 when moving up and down.

[0041] Specifically, refer to Figure 2-Figure 6 Side plates 412 are provided on both sides of the support shell 41, and multiple support rods 413 are provided inside the side plates 412. The connecting rod 61 and the positioning arc block 7 are slidably connected to the outside of the support rod 413. The side plates 412 and the support rods 413 are used as support structures to support multiple components.

[0042] In addition, the side circular sleeve 431 does not contact the side plate 412 , so as to prevent the side circular sleeve 431 from colliding with the inside of the support rod 413 when the side circular sleeve 431 deviates with the contact wheel 43 , thereby providing the side circular sleeve 431 with deviating space.

[0043] Reference Figure 2-Figure 6 The push-up unit 9 includes a slot frame 91 fixedly connected to the bottom of the side plate 412, an inclined cone block 92 connected to the inside of the slot frame 91, a rotating shaft 93 slidably connected to the inside of the slot frame 91, a one-way torsion spring 94 connected between the inclined cone block 92 and the rotating shaft 93, and a round rod 95 fixedly connected to the inside of the slot frame 91, the round rod 95 is located below the inclined cone block 92, and the inclined cone block 92 is rotatably connected to the outside of the rotating shaft 93, wherein the two sides of the rotating shaft 93 are square, so that the rotating shaft 93 cannot rotate and can only slide up and down.

[0044] Specifically, when the positioning arc block 7 is in the initial position, the spacing between the pressing block 62 and the oblique cone block 92 is equal to the length of the limiting strip 631. At this time, if the pressing block 62 moves, the square block 63 will also drive the limiting strip 631 to move synchronously. Therefore, when the pressing block 62 contacts the oblique cone block 92, the limiting strip 631 moves out of the square groove 72. At this time, the bottom of the positioning arc block 7 will only rely on the oblique cone block 92 on one side for support, and the oblique cone block 92 cannot rotate due to the influence of the one-way torsion spring 94, so that the oblique cone block 92 supports the positioning arc block 7. In addition, when the oblique cone block 92 moves back, the round rod 95 at the bottom will support the oblique cone block 92. At this time, the limiting strip 631 is also located inside the square groove 72, thereby ensuring that the side circular sleeve 431 can accurately support and position the bottom of the positioning arc block 7 when rotating.

[0045] Reference Figure 1-Figure 8 The transmission unit 8 includes a connecting bar 81 with one end fixedly connected to the bottom end of the ring frame 51, a transmission block 82 fixedly connected to the other end of the connecting bar 81, and a limiting plate 83 rotatably connected to the inside of the transmission block 82, and the distance from the top of the limiting plate 83 to the top of the inner wall of the triangular groove 821 is greater than the diameter of the round bar 622.

[0046] A triangular groove 821 is provided inside the transmission block 82, and the round bar 622 is located inside the triangular groove 821. The inside of the triangular groove 821 is divided into a vertical section 8211 and a slope section 8212. A reset torsion spring 831 is connected between the limiting piece 83 and the connecting bar 81. A limiting convex strip 822 is provided outside the transmission block 82. A round convex block 832 is provided near the limiting convex strip 822 on the limiting piece 83, and the limiting convex strip 822 fits with the round convex block 832.

[0047] Specifically, when the ring frame 51 moves down, the magnetic block 511 will be adsorbed with the magnetic sheet 611, and when the contact wheel 43 drives the side circular sleeve 431 to move back, the ring frame 51 loses its extrusion, and the spring telescopic rod 52 will pull the ring frame 51, and the magnetic block 511 and the magnetic sheet 611 are adsorbed, so that the upward movement of the ring frame 51 is restricted, but the elastic coefficient of the spring telescopic rod 52 will be greater than its adsorption, so that the magnetic block 511 will gradually separate from the magnetic sheet 611, thereby delaying the upward movement of the ring frame 51. At this time, the distance from the top of the limiting plate 83 to the top of the inner wall of the triangular groove 821 is greater than the diameter of the round bar 622. When the round bar 62 When the circular bar 622 is located at the top of the triangular groove 821, the circular bar 622 loses its barrier, and then the return spring 64 rebounds quickly, so that the positioning arc block 7 moves upward and separates the magnetic block 511 from the magnetic sheet 611, so that the ring frame 51 moves back after the pressing block 62 moves, thereby ensuring that the positioning arc block 7 can position the opposite circular sleeve 431. Then, the ring frame 51 squeezes the extrusion piece 6 as a whole and moves back. After the positioning arc block 7 moves upward, it is restricted by the oblique cone block 92 and cannot move downward. Then, the oblique cone block 92 cooperates with the limiting bar 631 to stabilize the positioning arc block 7, thereby ensuring the accurate positioning of the opposite circular sleeve 431.

[0048] Reference Figure 1-Figure 10 The equidistant distance of the oblique teeth 71 is equal to the height of the triangular groove 821, the middle part of the notch frame 91 is the vertical plate 911, and when the positioning arc block 7 is in the initial position, the distance between the pressing block 62 and the vertical plate 911 is equal to the length of the triangular groove 821, and the distance between the positioning arc block 7 and the side circular sleeve 431 is equal to the height of the triangular groove 821.

[0049] Specifically, when the bevel cone block 92 pushes the bevel teeth 71, since the height of the arc piece 621 is the same as the equidistant length of the bevel teeth 71, the extrusion distance of the arc piece 621 on the bevel cone block 92 is also this. Assuming that the equidistant distance of the bevel teeth 71 is five millimeters, then the arc piece 621 squeezes the bevel cone block 92, causing the bevel cone block 92 to move up five millimeters. At this time, the positioning arc block 7 also moves up five millimeters, so the side circular sleeve 431 is just positioned to its original position, so that the contact wheel 43 cannot shift downward. The contact wheel 43 is subject to gravity and external drive, and its main wear point is at the top of the contact piece. After the top of the positioning arc block 7 is worn again, the positioning arc block 7 can be pushed upward again, thereby achieving accurate positioning, avoiding unstable grinding equipment and prone to grinding errors, resulting in uneven product quality, ensuring grinding accuracy and stability, and making the grinding effects of different steel pipes 10 highly consistent, meeting the strict requirements of production for product quality consistency.

[0050] In addition, when the pressing block 62 is not squeezed and moves downward, the length of the pressing block 62 just moving downward is also five millimeters, and the inclined cone block 92 contacts another inclined tooth 71, and the relative positions of the two do not change.

[0051] Reference Figure 1-Figure 10A transmission wheel 101 is rotatably connected to one side of the driving part 1, a tensioning wheel 102 is fixedly connected inside the driving part 1, two deviation correcting wheels 103 are symmetrically rotatably connected to the bottom of the driving part 1, and a driver 104 is fixedly arranged on the other side of the driving part 1, and the output end of the driver 104 is fixedly connected to the transmission wheel 101.

[0052] The feed module 2 includes a servo motor 21 fixedly connected to the driving unit 1, a transmission frame 22 fixedly connected to the inside of the servo motor 21, and two limiting wheels 23 symmetrically connected to the bottom end of the servo motor 21. The contact wheel 43 is located between the two limiting wheels 23, and the abrasive belt 3 is wound around the outside of the transmission wheel 101, the tensioning wheel 102, the correcting wheel 103, the limiting wheel 23 and the contact wheel 43.

[0053] Among them, when the model of the steel pipe 10 is changed and the appearance characteristics of the steel pipe 10 are greatly different, the worker can timely adjust the position of the limit wheel 23 and the contact wheel 43 through the tensioning wheel 102 and the servo motor 21, so as to make corresponding adjustments to the height of the weld grinding to ensure that the weld of the steel pipe 10 meets the production requirements after grinding. It can be directly adjusted on the equipment operation screen or operation button, so as to adjust the equipment according to the feed amount of the steel pipe 10. The worker can directly adjust on the equipment operation screen or operation button without complicated operation procedures and professional tools, shortening the adjustment time, improving production efficiency, and reducing the operation difficulty and labor intensity of the workers.

[0054] It can dynamically adjust the feed amount and adjust the equipment according to the feed amount of the steel pipe 10, so as to realize dynamic optimization of the grinding process. When the feed speed of the steel pipe 10 changes, the grinding position can be adjusted in time to ensure the uniformity of the grinding force and time. If the feed speed is increased, the grinding position and force can be adjusted appropriately to ensure that the weld grinding quality is not affected. On the contrary, if the feed speed is slowed down, it can also be adjusted accordingly to avoid excessive grinding, thereby effectively improving the grinding effect and product quality stability.

[0055] The working principle of the present invention is as follows: when grinding, the position of the limiting wheel 23 and the wheel frame 4 is first adjusted by the feeding module 2, so that the abrasive belt 3 can fit the steel pipe 10. After completion, the driving wheel 101 is driven to rotate by the driver 104, so that the abrasive belt 3 rotates accordingly, thereby grinding the weld of the steel pipe 10;

[0056] When wear occurs between the contact wheel 43 and the inner shaft 42, the contact wheel 43 is offset and tilted, which will cause the abrasive belt 3 to grind the steel pipe 10 incompletely, affecting the grinding quality. Since the contact wheel 43 is affected by the rotation of the abrasive belt 3, the contact wheel 43 will continuously swing up and down in the worn space. Since the contact wheel 43 will tilt toward the worn position when swinging, the side circular sleeve 431 on one side of the contact wheel 43 will also tilt downward, which will cause the side circular sleeve 431 to squeeze the ring frame 51, causing the ring frame 51 to move downward and pull the spring telescopic rod 52 at the same time. When the ring frame 51 moves downward, the connecting bar 81 and the transmission block 82 move downward synchronously. The strip 622 is located inside the triangular groove 821. When the transmission block 82 moves downward, the relative position of the round strip 622 in the triangular groove 821 will change. At this time, it can be regarded as the round strip 622 sliding inside the triangular groove 821, and the round strip 622 cannot move horizontally due to the obstruction of the limiting piece 83. That is, the round strip 622 is located in the vertical section 8211 of the triangular groove 821. When the connecting strip 81 moves downward, the round strip 622 contacts the top of the inner wall of the triangular groove 821. At this time, the round strip 622 will no longer be blocked by the limiting piece 83, and the magnetic block 511 will be adsorbed with the magnetic piece 611 of the connecting rod 61. Since the contact wheel 43 is in the up and down movement, when it moves upward, When the ring frame 51 moves, the ring frame 51 loses its squeezing force, and the spring telescopic rod 52 pulls the ring frame 51. However, since the magnetic block 511 will be adsorbed with the magnetic sheet 611 of the connecting rod 61, the ring frame 51 cannot move back synchronously with the contact wheel 43 when being pulled by the spring telescopic rod 52. Since the elastic coefficient of the spring telescopic rod 52 is greater than the adsorption force of the two, the spring telescopic rod 52 will gradually pull the ring frame 51, first separating the magnetic block 511 and the magnetic sheet 611. At this time, the ring frame 51 is in the process of slowly moving downward, but since the distance from the top of the limiting piece 83 to the top of the inner wall of the triangular groove 821 is greater than the diameter of the round bar 622, the pressing block 62 will not contact the triangular groove 821 at this time, and then When the contact wheel 43 moves upward, the compressed return spring 64 pulls the pressure block 62, so that the pressure block 62 moves quickly, so that when the arc-shaped piece 621 on the top of the pressure block 62 contacts the bottom of the oblique cone block 92, the limit bar 631 on the top of the square block 63 moves out of the square groove 72, and then the arc-shaped piece 621 squeezes the oblique cone block 92, so that the notch frame 91 slides inside the notch frame 91, and the oblique cone block 92 pushes the oblique teeth 71, so that the positioning arc block 7 moves upward synchronously with the contact wheel 43, so that the bottom of the opposite side circular sleeve 431 of the positioning arc block 7 is used for positioning, so that the contact wheel 43 generates new friction with the positioning arc block 7 with the positioning arc block 7 as support;

[0057] Due to the translation of the pressure block 62, the connecting rod 61 also moves synchronously. When the magnetic block 511 and the magnetic sheet 611 are adsorbed, they are directly separated by the force of both parties. At this time, the positioning arc block 7 has moved up and fits with the contact wheel 43. At this time, the ring frame 51 moves up and drives the transmission unit 8 to move up as a whole. The round bar 622 will reach the slope section 8212 of the triangular groove 821, so that the round bar 622 is squeezed by the inclined surface of the triangular groove 821 and moves back. The round bar 622 will first squeeze the limiting piece 83, so that the limiting piece 83 rotates to rotate and compress the reset torsion spring 831, and then the round bar 622 reaches the vertical section 821 of the triangular groove 821. The straight section 8211 stops moving, and when the round bar 622 moves, the pressure block 62 will move synchronously, causing the return spring 64 to be compressed and stretched, and the extrusion piece 6 moves back as a whole. The limit bar 631 also enters the square groove 72 at this time to support the positioning arc block 7, and the positioning arc block 7 cannot move downward. At this time, the pressure piece 5 also completes the reset, and then the bottom of the inclined cone block 92 loses support and falls automatically. The inclined cone block 92 will rotate under the influence of the oblique teeth 71, and the oblique cone block 92 will rotate and compress the one-way torsion spring 94. When the oblique cone block 92 reaches another oblique tooth 71, it stops moving and waits for the next positioning.

[0058] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A grinding device capable of adjusting feed rate, comprising a drive assembly (1), characterized in that: The invention also comprises a feeding module (2) arranged inside the driving device (1), an abrasive belt (3) wound around the outside of the driving device (1), a wheel frame (4) fixedly connected to the bottom end of the pressure-bearing member (5), a pressure-bearing member (5) connected inside the wheel frame (4), an extrusion member (6) and a positioning arc block (7) slidably connected inside the wheel frame (4), a transmission unit (8) fixedly connected to the bottom end of the pressure-bearing member (5), and an upward push unit (9) arranged inside the bottom end of the wheel frame (4), wherein the extrusion member (6) is perpendicular to the sliding direction of the positioning arc block (7), and the wheel frame (4) comprises a supporting shell (41) fixedly connected to the bottom of the feeding module (2), an inner shaft (42) rotatably connected to the inside of the supporting shell (41), and a transmission unit (8) fixedly connected to the bottom end of the pressure-bearing member (5), and a transmission unit (8) fixedly connected to the bottom end of the pressure-bearing member (5), and a transmission unit (9) arranged inside the bottom end of the wheel frame (4). An external contact wheel (43), the two sides of which are fixedly connected with side circular sleeves (431), the pressure-bearing member (5), the extrusion member (6), the positioning arc block (7), the transmission unit (8) and the upward push unit (9) are each provided with two and symmetrical about the central axis of the inner shaft (42), the interior of the pressure-bearing member (5) is fitted with the exterior of the side circular sleeve (431), the positioning arc block (7) is located between the pressure-bearing member (5) and the contact wheel (43), the positioning arc block (7) is located below the side circular sleeve (431), and when the side circular sleeve (431) is offset, the pressure-bearing member (5) and the transmission unit (8) are passed through, so that the upward push unit (9) pushes the positioning arc block (7) upward to position the side circular sleeve (431).

2. The grinding device capable of adjusting feed rate according to claim 1, characterized in that: The pressure-bearing member (5) comprises a ring frame (51) arranged outside the side circular sleeve (431), and a spring telescopic rod (52) connected between the support shell (41) and the ring frame (51), wherein two spring telescopic rods (52) are provided and are symmetrical about the central axis of the ring frame (51), a limiting plate (411) is provided at the bottom of the support shell (41), and the limiting plate (411) is located above the ring frame (51), and the bottom end of the ring frame (51) is a magnetic block (511).

3. The grinding device capable of adjusting feed rate according to claim 2, characterized in that: The positioning arc block (7) includes an initial position, a plurality of bevel teeth (71) are equidistantly arranged on one side of the positioning arc block (7) close to the push-up unit (9), a plurality of square grooves (72) are equidistantly opened on the other side of the positioning arc block (7), the equidistant lengths of the bevel teeth (71) and the square grooves (72) are the same, the positioning arc block (7) does not contact the side circular sleeve (431) when it is in the initial position, and the inner diameter of the top of the positioning arc block (7) is the same as the outer diameter of the side circular sleeve (431).

4. The grinding device capable of adjusting feed rate according to claim 2, characterized in that: The extrusion member (6) comprises a connecting rod (61) slidably connected to the inside of the supporting shell (41), a pressing block (62) fixedly connected to one end of the connecting rod (61), a square block (63) fixedly connected to the other end of the connecting rod (61), and a return spring (64) connected between the push-up unit (9) and the pressing block (62), the elastic coefficient of the spring telescopic rod (52) is greater than that of the return spring (64), and a magnetic sheet (611) is provided in the middle of the connecting rod (61); A limit bar (631) is arranged on the top of the square block (63), and the length of the limit bar (631) is equal to the length of the square groove (72); an arc-shaped piece (621) is arranged on the top of the pressing block (62), and the height of the arc-shaped piece (621) is the same as the equidistant length of the bevel teeth (71); a round bar (622) is arranged on a side of the pressing block (62) close to the transmission unit (8), and the round bar (622) is located inside the transmission unit (8).

5. The grinding device capable of adjusting feed amount according to claim 4, characterized in that: Side plates (412) are provided on both sides of the support shell (41), a plurality of support rods (413) are provided inside the side plates (412), and the connecting rod (61) and the positioning arc block (7) are both slidably connected to the outside of the support rods (413).

6. The grinding device capable of adjusting feed amount according to claim 5, characterized in that: The push-up unit (9) includes a slot frame (91) fixedly connected to the bottom of the side plate (412), an inclined cone block (92) connected to the inside of the slot frame (91), a rotating shaft (93) slidably connected to the inside of the slot frame (91), a one-way torsion spring (94) connected between the inclined cone block (92) and the rotating shaft (93), and a round rod (95) fixedly connected to the inside of the slot frame (91), wherein the round rod (95) is located below the inclined cone block (92), and the inclined cone block (92) is rotatably connected to the outside of the rotating shaft (93). When the positioning arc block (7) is in the initial position, the spacing between the pressure block (62) and the inclined cone block (92) is equal to the length of the limit strip (631).

7. The grinding device capable of adjusting feed amount according to claim 6, characterized in that: The transmission unit (8) comprises a connecting strip (81) having one end fixedly connected to the bottom end of the ring frame (51), a transmission block (82) fixedly connected to the other end of the connecting strip (81), and a limiting plate (83) rotatably connected to the inside of the transmission block (82), wherein the distance from the top of the limiting plate (83) to the top of the inner wall of the triangular groove (821) is greater than the diameter of the round strip (622); The transmission block (82) is provided with a triangular groove (821) inside, the round bar (622) is located inside the triangular groove (821), the inside of the triangular groove (821) is divided into a vertical section (8211) and a slope section (8212), a return torsion spring (831) is connected between the limiting piece (83) and the connecting bar (81), a limiting convex strip (822) is provided outside the transmission block (82), a round convex block (832) is provided at a position of the limiting piece (83) close to the limiting convex strip (822), and the limiting convex strip (822) is fitted with the round convex block (832).

8. The grinding device capable of adjusting feed amount according to claim 7, characterized in that: The equidistant distance of the oblique teeth (71) is equal to the height of the triangular groove (821); the middle part of the notch frame (91) is a vertical plate (911); when the positioning arc block (7) is in the initial position, the distance between the pressing block (62) and the vertical plate (911) is equal to the length of the triangular groove (821); and the distance between the positioning arc block (7) and the side circular sleeve (431) is equal to the height of the triangular groove (821).

9. The grinding device capable of adjusting feed amount according to claim 5, characterized in that: One side of the driving device (1) is rotatably connected to a transmission wheel (101), the interior of the driving device (1) is fixedly connected to a tension wheel (102), the bottom of the driving device (1) is symmetrically rotatably connected to two deviation correction wheels (103), and the other side of the driving device (1) is fixedly provided with a driver (104), the output end of the driver (104) is fixedly connected to the transmission wheel (101).

10. The grinding device capable of adjusting feed amount according to claim 9, characterized in that: The feeding module (2) comprises a servo motor (21) fixedly connected to the driving device (1), a transmission frame (22) fixedly connected to the inside of the servo motor (21), and two limit wheels (23) symmetrically rotatably connected to the bottom end of the servo motor (21), the contact wheel (43) being located between the two limit wheels (23), and the abrasive belt (3) being wound around the outside of the transmission rotating wheel (101), the tensioning wheel (102), the deviation correcting wheel (103), the limit wheel (23) and the contact wheel (43).

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