CN209407564U - a sawing machine - Google Patents

Abstract

The utility model relates to the field of automobile pipe material processing, more specifically, it relates to a sawing machine, which aims to solve the problems of inaccurate sawing size and excessive manpower consumption in the sawing process of the existing sawing machine. frame, feeding device, cutting device, and unloading device, wherein the cutting device includes a cutter and a cutting seat fixed on the frame; the feeding device includes a detection mechanism for detecting the feeding length of the pipe, and a pushing mechanism for pushing the pipe toward the cutting device 1. The limit mechanism for limiting the pipe so that the direction of pipe movement will not be deflected. The push mechanism is connected to the frame, the detection mechanism is connected to the frame and is located directly above the push mechanism, and the limit mechanism is connected to the frame and is located on the push mechanism. sides. The utility model realizes the automatic cutting of the pipe through the cooperation of the feeding device, the cutting device and the unloading device, which not only has accurate dimensions, but also greatly reduces manpower.

Description

a sawing machine

technical field

The utility model relates to the field of automobile pipe processing, in particular to a sawing machine.

Background technique

Band sawing machine metal cutting is a new technology of energy saving and material saving. Since the United States successfully developed the bimetal saw band cutting technology in the mid-1970s, it has developed rapidly all over the world. As a result, a new revolution was brought about in the field of sawing technology in China in the late 1980s.

The new sawing technology and equipment have played a huge role in promoting the construction and development of the national economy. The number of band sawing machines has increased sharply by thousands per year, gradually replacing the original circular sawing machines in industries such as machining, metallurgy, and transportation. Bow sawing machines, etc. The number of manufacturers of band sawing machines in the country has also increased from two or three to more than thirty. In 1988, the State Planning Commission adopted the band sawing machine metal cutting technology as one of the "48 recently promoted measures for material saving and comprehensive utilization of resources" and promoted it throughout the country.

The aluminum processing industry has used metal band sawing machines since the 1990s to saw off aluminum and aluminum alloy ingots and aluminum rods. With the improvement of the manufacturing process of cemented carbide band saw blades, high-speed band sawing machines are widely used in the aluminum processing industry.

However, the existing processing methods are to support the pipe with a V-shaped structure, manually rotate and move back and forth to adjust the position of the pipe for positioning and cutting samples; this requires continuous positioning of all sawing surfaces, which inevitably leads to inaccurate sawing positioning dimensions. Resulting in inefficient sawing process.

Therefore, a new solution needs to be proposed to solve this problem.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of this utility model is to provide a sawing machine, through the cooperation of the feeding device, cutting device, and unloading device, the pipe material can be automatically cut, which not only has accurate dimensions, but also greatly reduces manpower.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a sawing machine, comprising a frame, a feeding device rotatably connected to the frame, a cutting device slidably connected to the frame, and a cutting device fixed to the frame device, wherein the cutting device includes a cutter and a cutting seat fixed on the frame; the feeding device includes a detection mechanism for detecting the feeding length of the pipe, a pushing mechanism for pushing the pipe to move toward the cutting device, and a limit pipe so that the moving direction of the pipe will not deviate. For the inclined limit mechanism, the push mechanism is connected to the frame, the detection mechanism is connected to the frame and is located directly above the push mechanism, and the limit mechanism is connected to the frame and located on both sides of the push mechanism.

When feeding, push the pipe through the pushing mechanism until the pushing length reaches the preset cutting length, the detection mechanism controls the pushing mechanism to no longer work; at the same time, in order to prevent the pipe from sliding down from the pushing mechanism during the movement, the Limiting mechanisms are provided on both sides of the pushing mechanism.

The utility model is further configured as: the detection mechanism uses a grating ruler for detection and positioning.

Use the grating ruler to detect the feeding length of the pipe, the positioning accuracy of the grating ruler is high, and the length error is less than 0.50mm.

The utility model is further configured as follows: the pushing mechanism includes a feed motor fixed to the frame, a feed roller fixed to the output shaft of the feed motor and rotatably connected to the frame, the top surface of the feed roller and the cutting seat Contour top surface.

The pipe is located above the feed roller, and through the design of the feed roller, the pipe can be moved by the feed roller.

The utility model is further set as: the limit mechanism includes a limit rod connected to the frame, the limit rods are arranged in pairs at both ends of the feed roller, and the axial direction of the limit rod is perpendicular to the length direction of the feed roller .

The pipe is limited by the limit rod, so that the pipe is always aligned with the cutting device during movement without deflection.

The utility model is further configured as follows: there are multiple feed rollers, and adjacent feed rollers are arranged at intervals; there are multiple pairs of limit rods, and the limit rods and feed rollers are arranged alternately.

Through the staggered setting of multiple pairs of limit rods and multiple feed rollers, the pipe can be better transported and limited.

The utility model is further configured as follows: the frame is provided with an upwardly opened adjustment chute, the length direction of the adjustment chute is parallel to the length direction of the feed roller, the bottom of the limit rod is fixed with an adjustment slider, and the slider is slidably connected in the adjustment chute.

Through the design of the adjusting slider and the adjusting chute, the position of the limiting rod can be adjusted according to the quantity of limiting pipes.

The utility model is further set as follows: the top of the adjustment chute is provided with a closing plate that closes the opening of the adjustment chute, and the closing plate is provided with a vertical through groove that cooperates with the limit rod, and the two sides of the vertical through groove are provided with limit Through slot; the adjusting slider and the adjusting chute are locked by a locking bolt, and the adjusting slider is provided with a locking threaded hole matched with the locking bolt, and the locking bolt passes through the limiting through slot and is threadedly connected to the locking threaded hole Inside.

Through the design of the locking bolt and the limiting through slot, the position of the limiting rod can be locked conveniently after being selected.

The utility model is further configured as follows: the outer casing of the limit rod is provided with a rotating sleeve, and the bottom surface of the rotating sleeve is at the same height as the highest point of the feed roller.

Through the design of the rotating sleeve, the friction between the pipe and the limit mechanism is greatly reduced.

In summary, the utility model has the following beneficial effects:

First, through the cooperation of feeding device, cutting device and unloading device, the pipe can be cut automatically, which not only has accurate size, but also greatly reduces manpower;

Second, through the setting of the detection mechanism, the push mechanism, and the limit mechanism, the feeding length and angle of the pipe can be monitored in real time, thereby achieving higher cutting accuracy.

Description of drawings

Fig. 1 is the structural representation of present embodiment;

Figure 2 is an enlarged view of part A of Figure 1;

Fig. 3 is an enlarged view of part B of Fig. 1;

Fig. 4 is a partial schematic diagram of embodiment 1 after hiding part of the rack;

FIG. 5 is an enlarged view of part C in FIG. 4 .

In the figure: 1. Rack; 2. Feeding device; 21. Detection mechanism; 22. Pushing mechanism; 221. Feeding motor; 222. Feed roller; 23. Limiting mechanism; Rotating sleeve; 233, closing plate; 234, vertical through groove; 235, limit through groove; 236, locking bolt; 3, cutting device; 31, cutter; 32, cutting seat; 33, driving mechanism; 331, lifting Plate; 332, crank motor; 333, the first rocker; 334, the second rocker; 335, limit block; 34, lifting mechanism; 341, cutter frame; 342, lifting cylinder; 343, contact block; 344 , abutment wheel; 345, frame body; 35, positioning mechanism; 351, support plate; 352, pressing cylinder; 353, pressing plate; 4, unloading device.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the utility model is described in detail.

Embodiment: A sawing machine, as shown in Figure 1, includes a frame 1, a feeding device 2 rotatably connected to the frame 1, a cutting device 3 slidingly connected to the frame 1, and a cutting device fixed to the frame 1 4, wherein the unloading device 4 uses an inclined plate, and the highest point of the inclined plate is located directly below the cutting device 3 . The pipe material enters the cutting device 3 from the feeding device 2, and after being cut by the cutting device 3, slides down the inclined plate and falls into the collection box to complete the collection.

As shown in Figure 1 and Figure 2, the feeding device 2 includes a detection mechanism 21 for detecting the feeding length of the pipe material, a pushing mechanism 22 for pushing the pipe material to move toward the cutting device 3, and a position limiter for limiting the pipe material so that the moving direction of the pipe material will not be deflected. agency23. Wherein the pushing mechanism 22 includes a feed motor 221 fixed to the frame 1, a feed roller 222 fixed to the output shaft of the feed motor 221 and rotatably connected to the frame 1, and the outer wall of the feed roller 222 is wrapped with a rubber ring. When the feed motor 221 is activated, the pipe is pushed by the feed roller 222 to move toward the cutting device 3 .

The detection mechanism 21 is connected to the frame 1 and is located above the push mechanism 22. The detection mechanism 21 uses a grating ruler to detect and locate, and controls the opening and closing of the feeding motor 221 through the reading of the grating ruler.

During the feeding process of the feed roller 222 , the pipe will inevitably slide down from the feed roller 222 , so a limit mechanism 23 is provided at both ends of the feed roller 222 . The limiting mechanism 23 includes a limiting rod 231 connected to the frame 1 , and the limiting rods 231 are arranged in pairs at both ends of the feed roller 222 . The axial direction of the limit rod 231 is perpendicular to the feeding direction of the feed roller 222, and a rotating sleeve 232 is also set on the peripheral wall of the limit rod 231. When the pipe moves under the drive of the feed roller 222, both sides abut against each other. Because of the rotating sleeve 232, the rotating sleeve 232 is dynamically driven to rotate, so that it is limited by the rotating sleeve 232 on the feed roller 222, and there is no excessive friction with the rotating sleeve 232, causing the wear of the pipe.

When feeding a plurality of pipes at the same time, the pipes are flattened on the feed roller 222 , at this time, the position of the limit rod 231 needs to be adjusted, so as to abut the two sides of the multi-pipes after being laid flat. The machine tool is provided with an upwardly opened adjustment chute, the length direction of the adjustment chute is parallel to the length direction of the feed roller 222, the bottom of the limit rod 231 is fixed with an adjustment slider, and the adjustment slider is slidably connected in the adjustment chute, thereby driving The limit rod 231 moves along the adjustment slide groove. In order to prevent the rotating sleeve 232 from affecting the operation of the feeding roller 222 , the rotating sleeve 232 is arranged above the feeding roller 222 .

The top of the adjustment chute is provided with a closing plate 233 that closes the opening of the adjusting chute, and the closing plate 233 is located directly above the adjusting slider, and the center of the closing plate 233 is provided with a vertical through groove 234 that cooperates with the limit rod 231. When sliding, the limiting rod 231 slides along the vertical slot 234 . Both sides of the vertical through groove 234 are provided with limiting through grooves 235, the limiting through grooves 235 are the same as the vertical through grooves 234, and the top of the adjusting slider is provided with locking threaded holes cooperating with the limiting through grooves 235. When it is necessary to lock the relative position of the adjustment slide block and the adjustment chute, use the lock bolt 236 to pass through the limit channel 235 and be threaded in the lock threaded hole, turn the lock bolt 236, and lock the lock bolt 236, the closing plate 233, the adjustment The three slide blocks are pressed together to realize the locking of the relative positions of the adjustment chute and the limit rod 231 .

There are several feed rollers 222 at intervals, and multiple pairs of limit rods 231 are provided. Each pair of limit rods 231 is arranged between the two feed rollers 222, and each pair of limit rods 231 is arranged on the same adjustment chute. In this way, the distance adjustable range of each pair of limit rods 231 is increased.

As shown in Figures 1 and 3, the cutting device 3 includes a cutter 31 for cutting pipes, a cutting seat 32 fixed on the frame 1, a driving mechanism 33 for driving the cutter 31 to move, and a lifting mechanism for driving the cutter 31 up and down 34. Press the positioning mechanism 35 of the pipe. Wherein the cutting seat 32 is used for raising the pipe material, and the highest point of the inclined plate is connected with the bottom of the cutting seat 32, so that the pipe material can slide down conveniently.

When cutting the pipe material, the pipe material needs to be pressed by the positioning mechanism 35, and then the cutting knife 31 is pressed down by the lifting mechanism 34 to realize the cutting of the pipe material. The positioning mechanism 35 includes extension plates fixed on the frame 1 , the extension plates are arranged perpendicular to the frame 1 and one on each side of the pipe, and the two extension plates are connected by a support plate 351 above the pipe. A pressing cylinder 352 is fixed on the top of the supporting plate 351 , the piston rod of the pressing cylinder 352 is arranged downward, and the piston rod passes through the supporting plate 351 and is fixed with a pressing plate 353 . When the tubing needs to be pressed, the pressing cylinder 352 is activated, and the pressing plate 353 is pressed down until the tubing is pressed against the cutting seat 32 to complete the compression of the tubing.

Two positioning mechanisms 35 are provided on the frame 1, and the two positioning mechanisms 35 move simultaneously. The tubing is thus fully secured.

Lifting mechanism 34 comprises the cutter frame 341 that makes cutter 31 can only move along drive mechanism 33 driving directions, drives cutter frame 341 and lifts cylinder 342 that lifts and moves, and wherein lift cylinder 342 is fixed on frame 1, and cutter frame 341 Located directly above the cutter 31. The cutter frame 341 includes a frame body 345 and an abutment block 343 connected to the frame body 345 and abutted against the back side of the cutter 31 .

In order to keep the cutting knife 31 stable and not deflected during the downward process, two abutting blocks 343 are provided at the two ends of the cutting knife 31 respectively; The abutment wheel 344 abutting the cutter 31 is connected to the side rotation, and the abutment wheel 344 is arranged in pairs, and the two sides of the cutter 31 are clamped between the two abutment wheels 344 , thereby being limited by the abutment wheel 344 . When the cutting knife 31 is driven by the driving mechanism 33 , the abutment wheel 344 is driven to rotate by the cutting knife 31 , so that the cutting knife 31 will not be worn too much. The limiting direction of the contact wheel 344 is the same as the driving direction of the driving mechanism 33 .

When cutting pipes, multiple pipes may be cut at the same time, so the abutment block 343 is slidably connected to the frame body 345. Specifically, a "T" shaped chute is provided on one side of the frame body 345, and the abutment block 343 and the frame body The connecting part of 345 is provided with a slider that cooperates with the "T"-shaped chute, so as to realize the limit of the abutment block 343 and the frame body 345, so that the abutment block 343 can only be opposite to each other along the length direction of the "T"-shaped chute The frame body 345 slides.

After the relative position of the abutment block 343 and the frame body 345 is selected, use bolts to pass through the abutment block 343 and be screwed to the frame body 345, so that the bolts, the abutment block 343, and the frame body 345 are tightly pressed to realize the abutment. The locking of the relative positions of the connection block 343 and the frame body 345 . At the same time, the frame body 345 is provided with a scale between the two abutting blocks 343, through which the diameter of the pipe can be rechecked.

As shown in FIG. 4 and FIG. 5 , the cutter 31 uses a saw blade and is driven by a driving mechanism 33 , so the driving mechanism 33 uses a reciprocating pulling method to achieve a better cutting effect. Simultaneously, because cutting knife 31 needs to do lifting motion, therefore lift plate 331 is set below driving mechanism 33, and driving mechanism 33 is positioned on lifting plate 331 as a whole, thereby realizes cutting knife 31, the lifting of driving mechanism 33 by the lifting of lifting plate 331 . The lifting plate 331 is driven by an air cylinder, and the air cylinder is located below the lifting plate 331 .

The drive mechanism 33 includes a limit block 335 fixed on the lifting plate 331 and provided with a limit groove, a crank rocker mechanism that is connected to one end of the cutter 31 and controls the cutter 31 to reciprocate horizontally along the limit groove, wherein the limit groove is set At the center position of the limiting block 335, and pass through the limiting block 335.

The crank and rocker mechanism includes a crank motor 332 fixed to the lifting plate 331, a first rocker 333 fixed at one end to the output shaft of the crank motor 332, and a second rocker rotatably connected to the end of the first rocker 333 away from the crank motor 332. 334 , the end of the second rocker 334 away from the first rocker 333 is rotatably connected with the cutter 31 , thereby pushing the cutter 31 to move along the limiting groove. When the crank motor 332 starts, the first rocker 333 rotates under the drive of the output shaft of the crank motor 332, thereby driving the second rocker 334 to rotate, and while the second rocker 334 rotates with the first rotation, it pulls the saw blade to make the saw The sheet moves along the limiting groove, and the through direction of the limiting groove is the driving direction of the driving mechanism 33 .

In order to drive the cutter 31 more stably, one drive mechanism 33 is provided on each of the two cutters 31 , and the two drive mechanisms 33 cooperate with each other.

Working process: before working, first adjust the limit mechanism 23 according to the number of pipes, so that the pipes are abutted by the rotating sleeve 232;

At the beginning of work, start the feeding motor 221, and the pipe material will move towards the cutter 31 under the drive of the feeding roller 222, until the feeding quantity reaches the preset size of the grating ruler, and the feeding motor 221 will no longer feed;

Then press the cylinder 352 to start, press the pipe material and the frame 1 by the pressing plate 353, and start the crank motor 332 after pressing, so that the cutter 31 performs reciprocating cutting motion;

During the reciprocating movement of the cutter 31, the lifting cylinder 342 and the lifting plate 331 move downward, so that the cutter 31 cuts the pipe downward;

After the single cutting is finished, the lifting cylinder 342 and the lifting plate 331 return to the original position, so that the cutting knife 31 returns to the original position, and then the feeding motor 221 is started to feed again and repeat cutting.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (8)

1. A sawing machine, characterized in that it comprises a frame (1), a feeding device (2) rotatably connected to the frame (1), a cutting device (3) slidingly connected to the frame (1), fixed on The unloading device (4) of the frame (1), wherein the cutting device (3) includes a cutter (31) and a cutting seat (32) fixed to the frame (1); the feeding device (2) includes a detection pipe feeding The detection mechanism (21) of the length of the material, the push mechanism (22) that pushes the pipe to move toward the cutting device (3), the limit mechanism (23) that limits the pipe so that the moving direction of the pipe will not be deflected, and the push mechanism (22) is connected On the frame (1), the detection mechanism (21) is connected to the frame (1) and is located directly above the pushing mechanism (22), and the limit mechanism (23) is connected to the frame (1) and is positioned on the pushing mechanism (22) on both sides. 2. A sawing machine according to claim 1, characterized in that: the detection mechanism (21) uses a grating ruler to detect and locate. 3. A sawing machine according to claim 1, characterized in that: the pushing mechanism (22) includes a feed motor (221) fixed to the frame (1), an output motor (221) fixed to the feed motor (221) Shaft and rotatably connected to the feed roller (222) of the frame (1), the top surface of the feed roller (222) is equal to the top surface of the cutting seat (32). 4. A sawing machine according to claim 3, characterized in that: the limit mechanism (23) includes a limit rod (231) connected to the frame (1), and the limit rods (231) are arranged in pairs At both ends of the feed roller (222), the axial direction of the limit rod (231) is perpendicular to the length direction of the feed roller (222). 5. A sawing machine according to claim 4, characterized in that: there are multiple feed rollers (222), and adjacent feed rollers (222) are arranged at intervals; the limit rod (231) is set There are many pairs, and the limit rods (231) and the feed rollers (222) are arranged alternately. 6. A sawing machine according to claim 4, characterized in that: the frame (1) is provided with an upwardly opened adjustment chute, and the length direction of the adjustment chute is parallel to the length direction of the feed roller (222) , the bottom of the limit rod (231) is fixed with an adjustment slider, and the slider is slidably connected in the adjustment chute. 7. A sawing machine according to claim 6, characterized in that: the top of the adjustment chute is provided with a closing plate (233) that closes the opening of the adjustment chute, and the closing plate (233) is provided with a limit rod (231) matched vertical slot (234), the vertical slot (234) is provided with limit slots (235) on both sides; the adjustment slider and the adjustment chute are locked by the locking bolt (236), and the The adjusting slider is provided with a locking threaded hole matched with the locking bolt (236), and the locking bolt (236) passes through the limiting through slot (235) and is screwed into the locking threaded hole. 8. A sawing machine according to claim 4, characterized in that: the limit rod (231) is covered with a rotating sleeve (232), and the bottom surface of the rotating sleeve (232) is in contact with the feed roller (222) The highest point is equal.