CN211053802U

CN211053802U - Cutting machine

Info

Publication number: CN211053802U
Application number: CN201921988177.1U
Authority: CN
Inventors: 黄凯军; 余佳政
Original assignee: Zhejiang Weiger Transmission Co ltd
Current assignee: Zhejiang Weiger Transmission Co ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-07-21
Anticipated expiration: 2029-11-16

Abstract

The utility model discloses a cutting machine relates to cutting process technical field, including support, drive roll and driven voller, the driven voller is located the drive roll below, drive roll and driven voller rotate to be connected on the support, the driven voller is controlled by a elevating gear, install the stop device who is used for spacing driving belt position on the support, stop device includes flexible platform, pinch roller, first cylinder and spacing platform, first cylinder is installed on the support, the piston rod of first cylinder with flexible platform is connected, the pinch roller rotates to be connected on flexible platform, just the pinch roller axis with the drive roll axis is parallel, and is in same horizontal plane, flexible platform one end is provided with and is used for butt drive roll tip spacing platform. The utility model discloses utilize pinch roller and locating wheel to carry out dual limiting displacement to the drive belt when cutting the during operation, avoided the drive belt to take place the phenomenon of skew in cutting process.

Description

Cutting machine

Technical Field

The utility model relates to a cutting process technical field, more specifically say, it relates to a cutting machine.

Background

In a transmission system, a transmission belt is used as an important transmission component to transmit power to a water pump, a generator, a fan, a steering pump and the like, and the performance of the transmission belt plays an important role in normal operation of an automobile. The production process of the automobile transmission belt comprises preparation, forming, vulcanization, whole cylinder grinding, cutting, single belt grinding, inspection and the like of each component.

Chinese patent No. CN201505942U discloses a cutting device for a transmission belt, which comprises a driving roller and a driven roller for winding the transmission belt, and a disc blade for cutting the transmission belt, wherein the disc blade is connected with a driving motor through a transmission member, a spraying device for spraying cooling liquid to the disc blade is provided, and the disc blade and the driving motor thereof are both arranged on a movable frame which can be far away from or close to the transmission belt and move along the width direction of the transmission belt.

Disk blade can move at two-dimensional plane in the above-mentioned patent, the position of being convenient for control and adjustment disk blade, but adopts above-mentioned structure, and disk blade probably takes place relative skew and then causes the defect of drive belt cutting with the drive belt when the cutting, influences the off-the-shelf quality of cutting drive belt.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a cutting machine can utilize the compression roller to compress tightly the drive belt when carrying out cutting work, plays the effect that prevents the drive belt off tracking.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a cutting machine, includes support, drive roll and driven voller, the driven voller is located the drive roll below, drive roll and driven voller rotate to be connected on the support, the driven voller is controlled by a elevating gear, install the stop device who is used for spacing driving belt position on the support, stop device includes flexible platform, pinch roller, first cylinder and spacing platform, first cylinder is installed on the support, the piston rod of first cylinder with flexible platform is connected, the pinch roller rotates to be connected on flexible platform, just the pinch roller axis with the drive roll axis is parallel, and is in same horizontal plane, flexible platform one end is provided with and is used for butt drive roll tip spacing platform.

Through adopting above-mentioned technical scheme, the elevating gear who utilizes driven voller department to connect adjusts the position of driven voller and then realizes the tensioning work to the drive belt, utilize the cylinder to promote flexible platform, make the pinch roller of connecting on the flexible platform move to the drive roll direction, further butt drive belt on the drive roll, play the limiting displacement along the drive roll axial position to the drive belt when the cutting, spacing platform moves to drive roll tip below and with drive roll tip butt in pinch roller butt drive belt, play the off tracking effect of preventing to the drive roll tip.

The utility model discloses further set up to: the lifting device comprises a support, and is characterized in that an operation table is connected to the support, a driving motor is arranged in the operation table, the extending end of the driving motor is connected with the driving roller in a rotating mode, a lifting device is arranged to be a sliding table, a stepping motor and a screw rod, a sliding track is vertically arranged on the support, the lifting table is connected in the sliding track in a sliding mode and is controlled by the screw rod to rotate and lift, one end of the screw rod is connected with the stepping motor, one end of the lifting table protrudes outwards to form an installation block, and a first driven roller and a second driven roller are connected to the installation block in a rotating mode.

By adopting the technical scheme, after the driving belt is sleeved on the driving roller and the driven roller, the stepping motor is utilized to drive the screw rod to rotate, the screw rod drives the lifting platform to descend in the sliding track after rotating, the driving belt is tensioned, the driving motor is started to drive the driving roller to rotate, and the driving belt is tensioned on the driving roller and the driven roller, so that the driving roller drives the driven roller to rotate after rotating, and the driving belt rotates.

The utility model discloses further set up to: install cutting device on the support, including cutting blade, locating wheel, mounting panel and mount table, be provided with a lead screw of seting up along the horizontal direction on the mounting panel, lead screw internal rotation is connected with and is used for the drive the first piece that slides of mounting panel along the horizontal direction, be provided with a second piece that slides that is used for driving the mount table to slide along vertical direction on the mounting panel, cutting blade installs on the mount table, be provided with actuating cylinder on the mount table, actuating cylinder's piston rod and locating wheel are connected, the locating wheel can be along actuating cylinder along vertical direction on cutting blade, lower both sides remove, just the locating wheel along width direction's tangent plane with cutting blade is in on the coplanar, be provided with a relief valve on actuating cylinder's the intake pipe.

By adopting the technical scheme, the second sliding piece is arranged to enable the cutting blade to move along the vertical direction of the mounting table during cutting operation, thereby realizing the feed and withdrawal of the cutter in the cutting work of the transmission belt, simultaneously adjusting the position of the connecting rod by the driving cylinder before the cutting work is carried out, the piston rod pushes the connecting rod to further drive the positioning wheel to descend to a certain position, then the second sliding member drives the mounting table to descend so that the cutting blade and the positioning wheel are in contact with the transmission belt, the positioning wheel and the transmission belt are extruded and transmit pressure to the piston rod through the connecting rod, so that pressure is generated in the driving cylinder to enable the pressure release valve to operate, further, the piston rod is partially contracted to realize the upward movement of the positioning wheel so as to ensure that when the driving belt with different thicknesses is cut, the pressure between the positioning wheel and the transmission belt is kept constant, and then the positioning wheel plays a role in preventing the transmission belt from deviating during cutting.

The utility model discloses further set up to: the second sliding part comprises a second screw rod and a second driving motor which are arranged along the vertical direction, a screw thread section matched with the second screw rod is arranged in the mounting table, the second screw rod is rotatably connected to the mounting table, the second driving motor is installed on the mounting table, and the second screw rod is connected with an output shaft of the second driving motor.

Through adopting above-mentioned technical scheme, the rotation that utilizes second driving motor output to drive the second lead screw realizes that the mount table takes place to remove in vertical direction, and then realizes that cutting blade carries out feed and withdrawal of tool along vertical direction when carrying out cutting work.

The utility model discloses further set up to: the first sliding part comprises a first screw rod and a first driving motor, the first screw rod is arranged in the horizontal direction, the first screw rod is rotatably connected in the screw rod screw hole, the first driving motor is installed on the support, and the first screw rod is connected with an output shaft of the first driving motor.

Through adopting above-mentioned technical scheme, utilize the rotation of first driving motor drive first lead screw and then realize the mounting panel on the support ascending slip of horizontal direction, and then carry out the cutting work to the driving belt.

The utility model discloses further set up to: the mounting table is provided with a mounting channel along the vertical direction, a connecting rod is connected to a piston rod of the driving air cylinder, and the other end of the connecting rod is rotatably connected with the positioning wheel.

Through adopting above-mentioned technical scheme, utilize the flexible realization connecting rod that drives actuating cylinder piston rod to slide and then adjust the positioning wheel height in vertical direction in the installation passageway, and then guarantee that the positioning wheel moves to the cutting blade downside before cutting work begins.

The utility model discloses further set up to: the lower extreme tip of installation passageway is provided with a knife rest, rotate on the knife rest and be connected with cutting blade, the knife rest is provided with a convex guard shield outward.

Through adopting above-mentioned technical scheme, utilize the knife rest to realize the installation to cutting blade, install simultaneously and be convenient for observe and adjust the position of cutting blade and locating wheel at installation passageway lower extreme. The exposure of cutting blade one side near operating personnel has been avoided in the setting of convex guard shield, plays certain guard action.

The utility model discloses further set up to: the port department that cutting blade was installed to the installation passageway is provided with a stopper that is used for restricting the connecting rod maximum distance of sliding.

Through adopting above-mentioned technical scheme, the setting up of stopper has restricted the connecting rod the biggest distance of sliding in the installation passageway, plays the effect that prevents the connecting rod tip and leave installation passageway and cutting blade contact because of the piston rod effort is too big.

Compared with the prior art, the utility model has the advantages that:

can utilize pinch roller and registration arm to carry out the drive belt of cutting to carry out dual limiting displacement when carrying out cutting work, avoid the drive belt to take place the phenomenon of skew in cutting process.

Drawings

FIG. 1 is a first drawing illustrating the overall structure of the present embodiment;

FIG. 2 is a schematic view of a stopper ring structure according to the present embodiment;

FIG. 3 is a second drawing illustrating the overall structure of the present embodiment;

FIG. 4 is a schematic structural diagram of a cutting device according to the present embodiment;

fig. 5 is a sectional view showing a part of the structure of the cutting device in this embodiment.

Reference numerals: 1. a support; 2. a drive roll; 3. a driven roller; 4. a lifting platform; 5. a first driven roller; 6. a second driven roller; 7. a limiting ring; 8. an opening; 9. an operation hole; 10. an operation table; 11. a drive motor; 12. a sliding track; 13. a circular arc-shaped shield; 14. a screw rod; 15. a stepping motor; 16. mounting blocks; 17. a telescopic table; 18. a pressure roller; 19. a first driving cylinder; 20. a limiting table; 21. a cutting blade; 22. positioning wheels; 23. mounting a plate; 24. an installation table; 25. a first lead screw; 26. a second lead screw; 27. installing a channel; 28. a first drive motor; 29. a second drive motor; 30. a driving cylinder; 31. a piston rod; 32. a tool holder; 33. a connecting rod.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1, a cutting machine, including support 1, be used for around drive roll 2 and the driven voller 3 of transmission belt, drive roll 2 and driven voller 3 all rotate to be connected on support 1, and driven voller 3 is located the below of drive roll 2, and driven voller 3 is controlled by and installs on the elevating platform 4 on support 1, is provided with the stop device of spacing transmission belt position on support 1, and the cutting device who is used for cutting the transmission belt is installed to the upper end of support 1.

Referring to fig. 1 and 2, a sliding rail 12 is vertically arranged on the support 1, the sliding rail 12 is connected with a lifting table 4 in a sliding manner, the lifting table 4 is controlled by a screw rod 14 to rotate and lift, the screw rod 14 is rotatably connected to the lifting table 4, and one end of the screw rod 14 is connected with an output end of a stepping motor 15. Driven roller 3 is divided into first driven roller 5 and second driven roller 6, and the diameter and the length of first driven roller 5 all are less than the diameter of second driven roller 6, and the one end of elevating platform 4 is outwards outstanding to be formed with an installation piece 16, and first driven roller 5 and second driven roller 6 all rotate to be connected on installation piece 16, and first driven roller 5 is located the top of second driven roller 6, and first driven roller 5 tip is provided with a bearing. A detachable limiting ring 7 is sleeved on the second driven roller 6, a hook 8 and an operation hole 9 are arranged on the limiting ring 7, the hook 8 is C-shaped, and the size of the hook 8 is in clearance fit with the bearing at the end part of the first driven roller. The hook 8 is connected with a bearing on the end part of the first driven roller 5 in a clamping mode, and deviation prevention and limiting of the first driven roller 5 are achieved.

Referring to fig. 3, the limiting device comprises a telescopic table 17, a pressing roller 18, a first driving cylinder 19 and a limiting table 20, the first driving cylinder 19 is installed on the support 1, a piston rod of the first driving cylinder 19 is connected with the telescopic table 17, the pressing roller 18 is rotatably connected on the telescopic table 17, the axis of the pressing roller 18 is parallel to the axis of the driving roller 2 and is located on the same horizontal plane, and the limiting table 20 used for abutting against the end of the driving shaft is arranged at one end of the telescopic table 17.

Referring to fig. 4, the cutting device includes a cutting blade 21, a positioning wheel 22, an installation plate 23 and an installation table 24, a screw rod screw hole formed along the horizontal direction is provided on the installation plate 23, and a first sliding member for driving the installation plate 23 to slide along the horizontal direction is rotatably connected in the screw rod screw hole. The mounting plate 23 slides along the axis direction of the driving roll 2 and is connected on the support 1, a second sliding piece used for driving the mounting plate 24 to slide along the vertical direction is arranged on the mounting plate 24, the mounting plate 24 slides along the axis direction of the vertical driving roll 2 and is connected on the mounting plate 23, an installation channel 27 is vertically arranged on the mounting plate 24, a driving cylinder 30 is arranged on the mounting plate 23, a connecting rod 33 is connected at the position of a piston rod of the driving cylinder 30, and the other end of the connecting rod 33 is rotatably connected with the positioning wheel.

The first sliding piece is a first screw rod 25 arranged along the axis direction of the driving roller 2, the first screw rod 25 is matched with a screw hole of the screw rod and penetrates through the mounting plate 23, the first screw rod 25 is rotatably connected to the support 1, a first driving motor 28 is arranged on the support 1, and the first screw rod 25 is connected with an output shaft of the first driving motor 28. The second sliding piece is arranged as a second screw rod 26 which is arranged along the direction vertical to the axial line of the driving roll 2, a thread section which is matched with the second screw rod 26 is arranged in the mounting table 24, the second screw rod 26 is rotationally connected on the mounting table 24, a second driving motor 29 is arranged on the mounting table 24, and the second screw rod 26 is connected with an output shaft of the second driving motor 29. The driving device is provided with a driving cylinder 30, a piston rod 31 of the driving cylinder 30 is fixedly connected with a connecting rod 33, and a pressure relief valve is arranged inside the driving cylinder 30.

Referring to fig. 5, a cutter holder 33 is mounted at the lower end of the mounting passage 27, the cutter 21 is rotatably attached to the cutter holder 33, and a widthwise overcenter tangent plane of the positioning wheel 22 of the circular arc-shaped guard 13 attached to one side of the cutter holder 32 is flush with the cutter 21. A stopper (not shown) for limiting the maximum sliding distance of the connecting rod 33 is provided at a port of the mounting passage 27 near the cutting blade 21.

The implementation principle of the embodiment is as follows: firstly, a corresponding driven roller 3 is selected according to the size of a transmission belt, for example, when the small transmission belt is cut and processed, a first driven roller 5 is selected, the transmission belt is sleeved on a driving roller 2 and the first driven roller 5, a stepping motor 15 is used for driving a screw rod 14 to rotate, the screw rod 14 further drives a lifting platform 4 to descend, and the first driven roller 5 descends along with the driving belt, so that the transmission belt is tensioned. Then, the hook 8 of the limiting ring 7 is sleeved at one end, provided with a bearing, of the first driven roller 5, the driving motor 11 is started to drive the driving roller 2 to rotate, the driving roller 2 drives the first driven roller 5 to rotate due to the tensioning state of the driving belt, and the driving belt rotates.

The telescopic table 17 is pushed through the first driving air cylinder 19, so that the pressing roller 18 is abutted to the transmission belt, and meanwhile, the limiting table 20 is abutted to the end part of the driving roller 2 to prevent deviation. Start first driving motor 28 and drive cutting device along drive roll roller axial displacement, until adjustment and drive belt position cooperation department start cutting work, start and drive actuating cylinder 30 and promote connecting rod 33 downstream to a certain position, second driving motor 29 drives lead screw 14 simultaneously and makes mount table 24 downstream, locating wheel 22 is behind the butt drive belt, locating wheel 22 receives the drive belt to its pressure and with pressure conduction to drive actuating cylinder 30 in, and then make pressure be higher than the setting value of relief valve, and then outside some gas in discharge cylinder 30, and then make piston rod 31 toward retrieving contract, make locating wheel 22 can carry out the adjustment of position according to the drive belt of different thickness, and then keep the invariant of pressure between locating wheel 22 and the drive belt during the cutting.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The cutting machine comprises a support (1), a driving roller (2) and a driven roller (3), wherein the driven roller (3) is positioned below the driving roller (2), the driving roller (2) and the driven roller (3) are rotatably connected onto the support (1), and the cutting machine is characterized in that the driven roller (3) is controlled by a lifting device, a limiting device used for limiting the position of a transmission belt is installed on the support (1), the limiting device comprises a telescopic table (17), a pressing roller (18), a first air cylinder (19) and a limiting table (20), the first air cylinder (19) is installed on the support (1), a piston rod of the first air cylinder (19) is connected with the telescopic table (17), the pressing roller (18) is rotatably connected onto the telescopic table (17), and the axis of the pressing roller (18) is parallel to the axis of the driving roller (2) and is positioned on the same horizontal plane, one end of the telescopic table (17) is provided with the limiting table (20) which is used for being abutted against the end part of the driving roller (2).

2. Cutting machine according to claim 1, characterized in that an operating table (10) is connected to the frame (1), a driving motor (11) is arranged in the operating platform (10), the output end of the driving motor (11) is rotationally connected with the driving roll (2), the lifting device comprises a lifting platform (4), a stepping motor (15) and a screw rod (14), a sliding track (12) is vertically arranged on the bracket (1), the lifting platform (4) is connected in the sliding track (12) in a sliding way, the lifting platform (4) is controlled by a screw rod (14) to rotate to lift, one end of the screw rod (14) is connected with the stepping motor (15), one end of the lifting platform (4) protrudes outwards to form a mounting block (16), the mounting block (16) is rotatably connected with a first driven roller (5) and a second driven roller (6).

3. The cutting machine according to claim 1, wherein the support (1) is provided with a cutting device, the cutting device comprises a cutting blade (21), a positioning wheel (22), a mounting plate (23) and a mounting table (24), the mounting plate (23) is provided with a screw rod screw hole formed along the horizontal direction, a first sliding member for driving the mounting plate (23) to slide along the horizontal direction is rotatably connected to the screw rod screw hole, and the mounting plate (23) is provided with a second sliding member for driving the mounting table (24) to slide along the vertical direction; cutting blade (21) are installed in mount table (24), be provided with on mount table (24) and drive actuating cylinder (30), the piston rod that drives actuating cylinder (30) is connected with locating wheel (22), locating wheel (22) can be along driving actuating cylinder (30) along vertical direction in cutting blade (21) upper and lower both sides removal, just locating wheel (22) along width direction's tangent plane with cutting blade (21) are in the coplanar, be provided with a relief valve on the air intake pipeline of driving actuating cylinder (30).

4. The cutting machine according to claim 3, characterized in that the second sliding member is provided with a second screw rod (26) and a second driving motor (29) which are arranged along the vertical direction, a threaded section matched with the second screw rod (26) is arranged in the mounting table (24), the second screw rod (26) is rotatably connected to the mounting table (24), the second driving motor (29) is arranged on the mounting table (24), and the second screw rod (26) is connected with an output shaft of the second driving motor (29).

5. A cutting machine according to claim 3, characterized in that said first sliding member comprises a first screw rod (25) and a first driving motor (28) arranged along the horizontal direction, said first screw rod (25) is rotatably connected in said screw rod screw hole, said first driving motor (28) is mounted on said bracket (1), and said first screw rod (25) is connected with the output shaft of said first driving motor (28).

6. A cutting machine according to claim 3, characterized in that the mounting table (24) is provided with a mounting channel (27) along the vertical direction, a connecting rod (33) is connected to the piston rod of the driving cylinder (30), and the other end of the connecting rod (33) is rotatably connected with the positioning wheel (22).

7. A cutting machine according to claim 6, characterized in that the lower end of the mounting channel (27) is provided with a blade holder (32), the cutting blade (21) being rotatably attached to the blade holder (32), and a circular arc-shaped shield (13) being provided outside the blade holder (32).

8. A cutting machine according to claim 7, characterized in that the port of the mounting channel (27) where the cutting blade (21) is mounted is provided with a limit stop for limiting the maximum sliding distance of the connecting rod (33).