CN217370750U - Copper bar saw cuts device - Google Patents

Abstract

The utility model relates to a tubular metal resonator processing technology field especially relates to a bar copper saw cuts device, which comprises a frame, both ends set up adjusting device and detection device respectively in the frame, adjusting device include with frame sliding connection carriage, be equipped with the guide rail frame on the carriage, it is provided with the elevating platform by elevating system driven to slide in the guide rail frame, the upper end of elevating platform is equipped with the support, the slip of support vertical direction is provided with the clamp plate, the clamp plate is used for compressing tightly the one end of bar copper at the elevating platform, detection device includes saw cuts the frame, be formed with the platform of saw cutting of placing the bar copper other end on the saw cuts the frame, the upper end both sides interval of saw cutting the platform is equipped with the first depression bar that goes up and down by the drive of third pneumatic cylinder, solved current bar copper when saw cutting, appear the cutting terminal surface slope of bar copper easily because of bar copper slope, and influence product quality and follow-up use problem, the utility model discloses whether incline to the slope of copper pipe and detect accurate depression bar, the device, The reaction is fast, the error of the vertical angle between the saw cutting end face and the excircle is small, and the cutting face is prevented from inclining.

Description

Copper bar saw cuts device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a tubular metal resonator processing technology field especially relates to a bar copper saw cuts device.

[ background of the invention ]

The bar copper adopts casting process, because the as cast bar copper is the water-cooling, reasons such as cold and hot deformation, including because the bar copper is longer, the course of working has the bending of certain degree, and the equipment that saw cuts now hardly ensures to saw cuts terminal surface and bar copper excircle at the saw cutting in-process and keeps perpendicular, and then appears the bar copper and saw cut back tangent plane slope, influences follow-up processing.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide a bar copper saw cuts device, solved current equipment of saw cutting when saw cutting for when saw cutting appears because of the bar copper slope, the problem of bar copper tangent plane slope.

In order to solve the technical problem, the utility model adopts the following technical scheme: a copper bar sawing device comprises a rack, wherein two ends of the rack are respectively provided with an adjusting device and a detection device, the adjusting device comprises a sliding frame which is in sliding connection with the rack, a guide rail frame is arranged on the sliding frame, a lifting table driven by a lifting mechanism is arranged in the guide rail frame in a sliding manner, a support is arranged at the upper end of the lifting table, a pressing plate is arranged in a sliding manner in the vertical direction of the support and used for pressing one end of a copper bar onto the lifting table, the detection device comprises a sawing frame, a sawing table for placing the other end of the copper bar is formed on the sawing frame, first pressing rods driven by a third hydraulic cylinder to lift are arranged on two sides of the upper end of the sawing table at intervals, the third hydraulic cylinder drives the first pressing rods to act so as to press one end of the copper bar onto the sawing table, and one side of each of the two third hydraulic cylinders is provided with a linear displacement sensor, when the output strokes of the two second hydraulic cylinders are different, the lead screw lifting mechanism is started to drive the lifting platform to lift so as to adjust the vertical height of one end, far away from the detection device, of the copper rod, and then the copper rod is horizontally placed between the sawing platform and the lifting platform.

In the above copper bar sawing device, the adjusting device further comprises a first hydraulic cylinder driving the pressing plate to move up and down along the support to limit the copper bar on the lifting table.

In the above copper bar sawing device, a pulley block capable of sliding along the length direction of the rack is arranged at the lower end of the sliding frame.

In the above copper bar sawing device, the lifting mechanism includes a screw rod lifter arranged at the bottom of the lifting table and a servo motor driving the screw rod lifter to move.

In the above copper bar sawing device, a guide frame for supporting the copper bar is arranged at one end of the lifting table close to the sawing table.

In above-mentioned bar copper saw cuts device, saw cut bench up end and be formed with "V" shape groove, saw cut the inside of platform and follow the central symmetry in "V" shape groove is provided with two regulation holes, the inside second pneumatic cylinder that has held of regulation hole, the piston rod of second pneumatic cylinder is equipped with protractile the top in regulation hole.

In above-mentioned bar copper saw cuts device, saw cut one side of platform and be equipped with and be used for the installation the mounting bracket of third pneumatic cylinder, the track has been seted up to one side vertical direction of mounting bracket, the side of first depression bar be equipped with track sliding fit's slider.

In above-mentioned bar copper saw cuts device, one side of mounting bracket is equipped with the second depression bar that is driven by the fourth pneumatic cylinder and goes up and down, the second depression bar with be equipped with between the fourth pneumatic cylinder linear displacement sensor, the second depression bar is in saw cut the platform and keep away from the tip upper end of elevating platform.

In above-mentioned bar copper saw cuts device, saw cut the platform erroneous tendency the one end of elevating platform is equipped with the lifting device, the lifting device is including setting up saw cut the gyro wheel seat of tip, gyro wheel seat upper end is equipped with the gyro wheel, the lower extreme of gyro wheel seat in saw cut and be equipped with the guide block on the frame, the guide block has the guide inclined plane, the tip of gyro wheel seat is equipped with the fifth pneumatic cylinder, the output of fifth pneumatic cylinder is equipped with and can follows the guide inclined plane and slide with the lifting the movable block of gyro wheel seat.

In the above copper bar sawing device, the bottom of the roller seat is located on one side of the guide block and is provided with the pin, the sawing frame is provided with a hinged seat hinged to the pin, and the movable block ascends along the guide inclined plane to lift the roller seat around the hinged seat.

The utility model has the advantages that:

the utility model discloses in, the both ends that utilize the bar copper are placed respectively on elevating platform and saw cut the bench, then utilize the first depression bar of two third pneumatic cylinder drive of saw cut bench to fix the back to the bar copper, whether the output stroke that utilizes linear displacement sensor to detect two third pneumatic cylinders is the same, when there is the difference in the output stroke of two third pneumatic cylinders, prove that the bar copper is in the tilt state this moment, then under the control of equipment controller, drive elevating platform elevating movement through drive elevating system, and then carry out altitude mixture control to the one end that the saw cut platform was kept away from to the bar copper, so that the bar copper keeps the level, and then keep perpendicular with the cutting tool bit when the bar copper cutting, so that the cutting end face is perpendicular with the excircle, be convenient for follow-up bar copper's use.

The utility model discloses in, adopt the plc controller to connect each hydraulic stem, motor and hydraulic pressure sensor to signal transmission and action between each electrical part.

In a further scheme, the adjusting device further comprises a first hydraulic cylinder for driving the pressing plate to move up and down along the support so as to limit the copper bar on the lifting table. The pressing plate is driven to act through the first hydraulic cylinder so as to fix and limit the end part of the copper rod on the lifting platform.

In a further scheme, a pulley block capable of sliding along the length direction of the rack is arranged at the lower end of the sliding frame. The pulley block is arranged, so that the sliding frame can slide in the length direction of the frame relatively, the distance between the sliding frame and the saw cutting frame can be adjusted, and the copper bar erection requirements of different lengths can be met.

In a further scheme, the lifting mechanism comprises a screw rod lifter arranged at the bottom of the lifting platform and a servo motor driving the screw rod lifter to act. The lifting performance of the lifting platform driven by the screw rod lifter is stable and reliable.

According to a further scheme, one end, close to the sawing table, of the lifting table is provided with a guide frame used for supporting the copper rod. The setting of leading truck is convenient for increase to the support area of bar copper, improves the support stability of elevating platform to the bar copper.

According to the technical scheme, a V-shaped groove is formed in the upper end face of the saw cutting table, two adjusting holes are symmetrically formed in the V-shaped groove in the inner portion of the saw cutting table, a second hydraulic cylinder is accommodated in each adjusting hole, and a piston rod of each second hydraulic cylinder is provided with a top capable of extending out of each adjusting hole. The second hydraulic cylinder drives the top to stretch out from the adjusting hole, so that when the copper bars with different diameters are handled, the copper bars can be extruded and supported through the top, the influence caused by the shape error of the copper bars is reduced, and the verticality between the end face of the saw-cutting copper ingot and the excircle is guaranteed.

Further scheme, one side of saw cutting the platform is equipped with and is used for the installation the mounting bracket of third pneumatic cylinder, the track has been seted up to one side vertical direction of mounting bracket, the side of first depression bar be equipped with track sliding fit's slider. The track and the slider are arranged to improve the sliding stability of the first pressure rod when the first pressure rod moves in the vertical direction on one side of the mounting rack.

In a further scheme, one side of the mounting rack is provided with a second pressure lever driven by a fourth hydraulic cylinder to lift, the second pressure lever is provided with the linear displacement sensor between the fourth hydraulic cylinder, and the second pressure lever is located at the upper end of the end part of the saw cutting table far away from the lifting table. The setting of second depression bar can further strengthen the fixed effect to the bar copper, adds linear displacement sensor simultaneously, and whether the accurate measuring bar copper level of being convenient for was placed when saw cutting.

Further scheme, saw cut the platform and be partial to the one end of elevating platform is equipped with the lifting device, the lifting device is including setting up saw cut the gyro wheel seat of tip, gyro wheel seat upper end is equipped with the gyro wheel, the lower extreme of gyro wheel seat in saw cut and be equipped with the guide block on the frame, the guide block has the guide inclined plane, the tip of gyro wheel seat is equipped with the fifth pneumatic cylinder, the output of fifth pneumatic cylinder is equipped with and can follows the guide inclined plane and slide with the lifting the movable block of gyro wheel seat. Utilize the fifth pneumatic cylinder to drive the gyro wheel seat and go up and down, and then can the lifting bar copper, make the bar copper can not take place the friction with saw cutting the platform and interfere when entering into saw cutting the platform to the bar copper enters into saw cutting the bench fast.

According to a further scheme, the pin is arranged on one side, located on the guide block, of the bottom of the roller seat, the saw cutting frame is provided with a hinged seat hinged to the pin, and the movable block ascends along the guide inclined plane to lift the roller seat around the hinged seat. The roller seat is rotationally lifted through the hinged part when lifted, so that the lifting stability of the roller seat and the saw cutting frame when lifted is improved, and the roller seat is prevented from being lifted and swayed.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an enlarged view of the structure at a in fig. 1 according to the embodiment of the present invention;

FIG. 3 is a structural test chart of the adjusting device according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a detection device according to an embodiment of the present invention;

FIG. 5 is a side view of the structure of FIG. 4 in an embodiment of the present invention;

fig. 6 is a sectional view taken along line a-a in fig. 1 according to an embodiment of the present invention.

Reference numerals:

100 sliding frames, 110 lifting tables, 120 guide rail frames, 130 supports, 131 first hydraulic cylinders, 132 pressing plates, 1321 guide rods, 1322 guide sleeves, 140 guide frames, 150 servo motors, 151 screw rod lifters, 161 vertical pulleys and 162 horizontal pulleys;

200 sawing frames, 210 sawing tables, 211 adjusting holes, 212 second hydraulic cylinders and 213 jacks;

300, a mounting frame, 310, a third hydraulic cylinder, 311 a sliding block, 312 a track, 320 a linear displacement sensor and 330 a first pressure rod;

400 fourth hydraulic cylinder, 410 second pressure bar;

500 fifth hydraulic cylinder, 510 connecting shaft, 520 movable block,

600 roller seats, 601 hinge seats, 602 pins, 610 rollers and 620 guide blocks;

700 frame.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, which all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 and 2, the embodiment of the utility model provides a copper bar saw cuts device includes frame 700 and adjusting device and the detection device of setting at frame 700 both ends, and carries out cutting equipment to the copper bar and then sets up the one end of keeping away from adjusting device at detection device, and the copper bar wears to establish adjusting device and detection device in proper order to support the copper bar fixedly, and the cutting equipment of being convenient for saw cuts the copper bar.

The utility model discloses a plc controller controls signal transmission and action between each electrical components.

In this embodiment, referring to fig. 1, the adjusting device includes a sliding frame 100, a pulley block is disposed at the bottom of the sliding frame 100, the pulley block includes a vertical pulley 161 and a horizontal pulley 162, corresponding pulley grooves are disposed at positions of the frame 700 corresponding to the vertical pulley 161 and the horizontal pulley 162, such that the vertical pulley 161 and the horizontal pulley 162 slide in the corresponding pulley grooves to adjust the sliding frame 100 in the length direction of the frame 700, a guide rail frame 120 is disposed on the sliding frame 100, a lifting table 110 is slidably disposed in the guide rail frame 120, a screw rod lifter 151 is disposed at the bottom of the lifting table 110 to drive the lifting table 110 to move up and down relative to a support 130, a servo motor 150 is disposed at a side of the screw rod lifter 151, the servo motor 150 operates to drive the screw rod lifter 151 to drive the lifting table 110 to move up and down, so as to lift a copper rod placed on the lifting table 110, a support 130 is disposed at the upper end of the lifting table 110, the top center of support 130 is provided with first pneumatic cylinder 131, and the piston rod of first pneumatic cylinder 131 is located support 130 in-connection and has the clamp plate 132, and first pneumatic cylinder 131 is through the ascending and descending motion of drive clamp plate 132 on elevating platform 110, and then can compress tightly the one end of bar copper on elevating platform 110, avoids the bar copper to rock at will on elevating platform 110.

In this embodiment, a driving belt driven by a motor may be disposed on the frame 700, and the driving belt is connected to the sliding frame 100, so that the driving belt is used to drive the sliding frame 100 to reciprocate along the length direction of the frame 700, so as to change the distance between the sliding frame 100 and the sawing table 210, thereby meeting the requirement for erecting copper bars with different lengths, and the sliding connection between the sliding frame 100 and the frame 700 may also be implemented by adjusting the position of the sliding frame 100 on the frame 700 through an electric guide rail, or by driving the sliding frame 100 to move through a screw rod.

Preferably, referring to fig. 1, in order to increase the supporting surface of the elevating platform 110 for the copper rod, the guide frame 140 is provided at the right side of the elevating platform 110, and the guide frame 140 extends a certain distance along the longitudinal direction of the frame 700, thereby increasing the supporting of the elevating platform 110 for the copper rod.

Furthermore, the guide frame 140 is a V-shaped structure, and the descending distance component of the V-shaped structure is reduced, so that the copper bar can be stably supported in a limiting manner.

In this embodiment, referring to fig. 3, in order to improve the stability of the sliding of the pressing plate 132 on the bracket 130, a plurality of guide sleeves 1322 are circumferentially arranged on the top of the bracket 130 and located on the first hydraulic cylinder 131, guide rods 1321 are slidably arranged in the guide sleeves 1322, and the lower ends of the guide rods 1321 are connected to the upper end surface of the pressing plate 132, so as to limit the circumferential rotation of the pressing plate 132 and improve the stability of the pressing plate during lifting.

In this embodiment, referring to fig. 4, the detecting device includes a sawing frame 200, a sawing table 210 is disposed at the upper end of the sawing frame 200, a mounting frame 300 is disposed at the rear end of the sawing table 210, two third hydraulic cylinders 310 are disposed on the side of the front end of the mounting frame 300 in parallel, a first press rod 330 is connected to a piston rod of the third hydraulic rod, the first press rod 330 is disposed at the upper end of the sawing table 210, a linear displacement sensor 320 is disposed between the third hydraulic cylinder 310 and the first press rod 330 for detecting output strokes of the two third hydraulic cylinders 310, when a copper rod is placed on the sawing table 210, the third hydraulic rod drives the first press rod 330 to contact the copper rod, so that whether the copper rod is in a horizontal state can be determined by detecting whether output strokes of the two sides of the third hydraulic cylinder 310 are constant by the linear displacement sensor 320, when the strokes are not consistent, a signal is transmitted to the controller and compared with a parameter set in the controller, when the parameters of the linear displacement sensor 320 do not match the predetermined parameters, the controller controls the servo motor 150 to move, so as to drive the lifting platform 110 to move up and down, and further adjust the position of the copper rod to level the copper rod.

In this embodiment, referring to fig. 5, in order to improve the stability of the first pressing rod 330 and the sliding on the mounting bracket 300, a rail 312 is disposed on one side of the mounting bracket 300 in the vertical direction, a slider 311 slidably engaged with the rail 312 is disposed on a side surface of the first pressing rod 330, and the rail 312 and the slider 311 are disposed to facilitate improving the sliding stability of the first pressing rod 330 when the first pressing rod 330 moves in the vertical direction on one side of the mounting bracket 300.

Based on the above embodiment, referring to fig. 4, in order to improve the pressing and fixing effect of the first pressing rod 330 on the through pipe and improve the accuracy of the detection device on whether the copper rod is horizontally detected, the second pressing rod 410 driven by the fourth hydraulic cylinder 400 is arranged on the right side of the mounting frame 300, and the linear displacement sensor 320 is arranged between the second pressing rod 410 and the fourth hydraulic cylinder 400, so as to increase the accuracy of whether the copper rod is horizontally detected while the fixing effect on the copper rod is improved.

Based on the above embodiment, referring to fig. 5, in order to prevent the copper rod from friction interference with the sawing table 210 when entering the sawing table 210, so that the copper rod can smoothly enter the sawing table 210, a lifting device is disposed on the left side (i.e., one end of the lifting table 110) of the sawing table 210, the lifting device includes a roller seat 600 disposed at the end of the sawing table 210, a roller 610 is disposed at the upper end of the roller seat 600, a guide block 620 is disposed on the sawing frame 200 at the lower end of the roller seat 600, a guide inclined plane is disposed on the upper end surface of the guide block 620, a fifth hydraulic cylinder 500 is disposed at the rear end of the roller seat 600, and a piston rod of the fifth hydraulic cylinder 500 is provided with a movable block 520 capable of sliding along the guide inclined plane to lift the roller seat 600. Utilize fifth pneumatic cylinder 500 to articulate on roller seat 600 through the connecting axle, like this when fifth pneumatic cylinder 500 is flexible, can extrude movable block 520 through the connecting axle and slide on the guide inclined plane, when movable block 520 slides on the guide inclined plane, extrusion roller seat 600 rises, the gyro wheel 610 that lies in on roller seat 600 after roller seat 600 rises just drives through the perk of bar copper tip, and then with saw cutting platform 210 separation, like this when the bar copper is imported to saw cutting platform 210, just can not take place to interfere with saw cutting platform 210, avoid bar copper and saw cutting platform 210 friction, influence the propulsion of bar copper.

Preferably, in this embodiment, referring to fig. 2, the movable block 520 and the guide block 620 are both located at the left end of the bottom of the roller base 600, the right end of the bottom of the roller base 600 is provided with a pin 602, and a hinge base 601 is correspondingly arranged on the upper end surface of the sawing frame 200, and the pin 602 penetrates through the hinge base 601 through a pin shaft, so that when the activity rises along the guide slope of the guide block 620, the roller base 600 is driven to rotate and rise around the pin shaft, and the second copper rod is lifted, thereby improving the stability of lifting the roller base 600 on the sawing frame 200.

Based on the above embodiment, referring to fig. 1 and 6, the effect of fixing the copper bars with different diameters by the sawing table 210 is increased, the V-shaped surface of the sawing table 210 is provided with the adjusting hole 211, the second hydraulic cylinder 212 is arranged inside the adjusting hole 211, and the piston rod of the second hydraulic cylinder 212 is connected with the ejector 213, so that when the copper bars with different diameters are placed on the sawing table 210, the ejector 213 can be driven by the second hydraulic cylinder 212 to extend out of the adjusting hole 211, so as to support the copper bars, and the copper bars are stably fixed on the sawing table 210 by matching with the first pressure bar 330 and the second pressure bar 410.

While the present invention has been described with reference to the particular illustrative embodiments, it will be understood by those skilled in the art that the present invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the present invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (10)

1. A copper bar sawing device is characterized by comprising a rack, wherein two ends of the rack are respectively provided with an adjusting device and a detecting device, the adjusting device comprises a sliding frame in sliding connection with the rack, a guide rail frame is arranged on the sliding frame, a lifting table driven by a lifting mechanism is arranged in the guide rail frame in a sliding manner, a support is arranged at the upper end of the lifting table, a pressing plate is arranged in a sliding manner in the vertical direction of the support and used for pressing one end of a copper bar onto the lifting table, the detecting device comprises a sawing frame, a sawing table for placing the other end of the copper bar is formed on the sawing frame, first pressing rods driven by third hydraulic cylinders to lift are arranged on two sides of the upper end of the sawing table at intervals, the third hydraulic cylinders drive the first pressing rods to act so as to press one end of the copper bar onto the sawing table, and one sides of the two third hydraulic cylinders are respectively provided with a linear displacement sensor, whether the output strokes of the two third hydraulic cylinders are different after the two first pressure rods are attached to the copper rod or not is detected, when the output strokes of the two third hydraulic cylinders are different, the lifting mechanism is started to drive the lifting table to lift so as to adjust the vertical height of one end, far away from the detection device, of the copper rod, and then the copper rod is horizontally placed between the sawing table and the lifting table.

2. The apparatus for sawing a copper bar according to claim 1, wherein the adjusting means further comprises a first hydraulic cylinder for driving the pressing plate to move up and down along the support to define the copper bar on the lifting table.

3. The apparatus for sawing a copper bar according to claim 1, wherein the lower end of the sliding frame is provided with a pulley block which can slide along the length direction of the frame.

4. The apparatus for sawing a copper bar according to claim 1, wherein the elevating mechanism comprises a lead screw lifter disposed at a bottom of the elevating table and a servo motor for driving the lead screw lifter.

5. The copper bar sawing device according to claim 1, wherein a guide frame for supporting the copper bar is provided at one end of the lifting table close to the sawing table.

6. The copper bar sawing device according to claim 1, wherein a V-shaped groove is formed at the upper end surface of the sawing table, two adjusting holes are symmetrically formed in the sawing table along the center of the V-shaped groove, a second hydraulic cylinder is accommodated in each adjusting hole, and a piston rod of each second hydraulic cylinder is provided with a top head capable of extending out of each adjusting hole.

7. The copper bar sawing device according to claim 1, wherein a mounting rack for mounting the third hydraulic cylinder is arranged on one side of the sawing table, a rail is vertically arranged on one side of the mounting rack, and a sliding block in sliding fit with the rail is arranged on the side surface of the first pressing rod.

8. The copper bar sawing device according to claim 7, wherein a second pressure rod driven by a fourth hydraulic cylinder to lift is arranged on one side of the mounting frame, the linear displacement sensor is arranged between the second pressure rod and the fourth hydraulic cylinder, and the second pressure rod is arranged at the upper end of the end part of the sawing table far away from the lifting table.

9. The copper bar sawing device according to claim 1, wherein the sawing table is provided with a lifting device at one end thereof biased to the lifting table, the lifting device comprises a roller seat arranged at the end of the sawing table, rollers are arranged at the upper end of the roller seat, a guide block is arranged at the lower end of the roller seat on the sawing frame, the guide block is provided with a guide inclined surface, a fifth hydraulic cylinder is arranged at the end of the roller seat, and an output end of the fifth hydraulic cylinder is provided with a movable block capable of sliding along the guide inclined surface to lift the roller seat.

10. The apparatus for sawing copper rod according to claim 9, wherein the roller base has a pin at a bottom thereof on one side of the guide block, the sawing frame has a hinge base hinged to the pin, and the movable block ascends along the guide slope to lift the roller base about the hinge base.

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