CN221337857U - Elastic band chamfering machine - Google Patents

Abstract

The utility model discloses an elastic band chamfering machine which comprises a frame, a traction component, a chamfering component and an adjusting component, wherein the traction component, the chamfering component and the adjusting component are arranged on the frame, the traction component clamps at least two parts of an elastic band to be processed, which are spaced along the length direction of the elastic band, and drives the elastic band to drive, the chamfering component comprises a sharpening roller used for polishing the elastic band, the sharpening roller is driven to rotate, the adjusting component is connected with and transmits driving to the sharpening roller, and the sharpening roller is driven to move along the width direction of the lifting elastic band near or far from one side between the two clamped parts of the elastic band. The finished products processed by the utility model have consistent specification, solve the problem of the difference of chamfer angles of the elastic bands and are beneficial to high-efficiency mass production; ensuring the machining precision and being applicable to the machining of elastic bands with different specifications and different machining requirements; the elastic band is not easy to deviate and roll during chamfering operation; the chamfering process can be automatically completed without intervention.

Description

Elastic band chamfering machine

Technical Field

The utility model belongs to the technical field of synchronous belts, and particularly relates to an elastic belt chamfering machine.

Background

In the prior art, when chamfering and polishing the elastic band, the elastic band is required to be tensioned on a roller, the elastic band is allowed to run for one circle in advance to confirm that the elastic band does not deviate, and then the edging grinding wheel is manually adjusted to be pressed on the edge of the elastic band, so that the edge of the elastic band is chamfered. The elastic band cannot deviate when being chamfered, and the strength and the positioning requirement of the edging wheel are high when the edge is chamfered because the elastic band is very thin. However, the manual force of adjusting at every turn is different, leads to the chamfer degree of depth of elastic band to have the deviation, leads to the finished product specification inequality, easily produces the defective products to the efficiency of whole chamfer is not high.

Disclosure of utility model

Aiming at the problems existing in the prior art, the utility model aims to provide the elastic band chamfering machine, so that the specifications of finished products after processing are consistent, the problem of the difference of chamfering of the elastic band is solved, and the efficient batch production and processing are facilitated; the position of the sharpening roller can be accurately positioned, the precision of chamfering and polishing processing is ensured, and the customer requirements on quality and appearance are met; the processing and different processing requirements of the elastic bands with different specifications are met; the elastic band is not easy to deviate and roll during chamfering operation; the chamfering process can be automatically completed without intervention.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides an elastic band chamfering machine, includes frame and installs traction element, chamfer subassembly and the adjusting part in the frame, traction element presss from both sides tightly to wait to process the elastic band along at least two places and the drive of elastic band length direction interval the elastic band transmission, chamfer subassembly is including being used for right the elastic band is polished the gyro wheel that whets a knife, and the gyro wheel that whets a knife is driven the rotation, and adjusting part connects and transmits the drive to the gyro wheel that whets a knife, drives the gyro wheel that whets a knife be in one side between the two places of elastic band by pressing from both sides is close to or keep away from the elastic band goes up and down and moves along the elastic width direction that goes up and down.

As a further improvement of the above technical scheme:

Preferably, the traction assembly comprises a power roller, a driven roller, a compression roller and a servo motor, wherein the power roller and the driven roller are rotatably arranged on the frame, a central shaft of the power roller and a central shaft of the driven roller are arranged at intervals in parallel and are positioned in the same horizontal plane, the servo motor transmits driving to the power roller, the compression roller capable of rotating is provided with two compression rollers, the two compression rollers are respectively positioned above the power roller and the driven roller, the elastic band sequentially passes between the driven roller and one compression roller and between the power roller and the other compression roller, and the two compression rollers can descend to respectively compress the power roller and the driven roller or can ascend to be separated from the power roller and the driven roller.

More preferably, the traction assembly further comprises a torsion bar, the torsion bar is arranged on the frame, the length direction of the torsion bar is parallel to the central axis of the driven roller, and the torsion bar is positioned below the driven roller.

Preferably, the chamfering assembly further comprises a sharpening motor, and the sharpening motor is connected with and transmits drive to the sharpening roller.

Preferably, the elastic band chamfering machine further comprises an adjusting component arranged on the frame, the adjusting component comprises a Y module and an X module, the X module is used for transmitting and driving to the sharpening roller, the sharpening roller is enabled to linearly reciprocate along the direction of the center of the sharpening roller, and the Y module is connected with and drives the X module to drive the sharpening roller to linearly reciprocate in the direction perpendicular to the center axis of the sharpening roller.

Preferably, the elastic band chamfering machine further comprises a protection component, the protection component comprises an air cylinder, a protection cover mounting bottom plate and a cover shell, the protection cover mounting bottom plate is located above the power roller, the air cylinder is mounted on the frame, the cover shell and the pressing roller are mounted on the protection cover mounting bottom plate, and the air cylinder is connected with and drives the protection cover mounting bottom plate to lift.

Preferably, the chamfering machine further comprises a controller and an operation panel mounted on the frame, and the operation panel is electrically connected with the controller.

More preferably, the servo motor, the sharpening motor, the cylinder, the Y module and the X module are all electrically connected with the controller.

Preferably, a group of traction components, a group of chamfering components, a group of protection components and a group of adjusting components are matched to form a group of chamfering devices, and at least one group of chamfering devices are arranged on the chamfering machine.

Preferably, a first limiting part is fixedly arranged at one axial end of the power roller, an adjustable second limiting part is arranged at the other axial end of the power roller, a groove for accommodating the elastic band is formed between the first limiting part and the second limiting part, and the second limiting part is fixed after being moved to a set position along the axial direction of the power roller.

The beneficial effects of the utility model are as follows:

1) The finished product specifications after the same batch of processing can be consistent, the problem of the difference of chamfer angles of the elastic band is solved, and the high-efficiency batch production and processing are facilitated;

2) The position of the sharpening roller can be accurately positioned, the precision of chamfering and polishing processing is ensured, and the customer requirements on quality and appearance are met;

3) The widths of the elastic bands accommodated on the power roller and the driven roller are adjustable, and the sharpening roller is replaceable, so that the processing and different processing requirements of the elastic bands with different specifications are met;

4) The elastic band is not required to be tensioned during processing, the elastic band is not easy to deviate during chamfering processing operation through the first limiting piece and the second limiting piece on the power idler wheel and the driven idler wheel, and the torsion bar is prevented, so that the twisted elastic band is not easy to roll;

5) In the polishing process, the cover shell effectively blocks the scraps cut during chamfering, and meanwhile protects workers from being injured due to mistaken touching of the chamfering assembly, and the polished scraps can be sucked away;

6) The chamfering machine can be operated manually and automatically, workers only need to configure parameters and perform feeding and discharging operations, and the chamfering process can be completed automatically without intervention.

Drawings

Fig. 1 is a schematic front view of the chamfering machine according to an embodiment of the present utility model.

Fig. 2 is a schematic side view of the chamfering machine according to an embodiment of the present utility model.

Fig. 3 is a schematic view of the structure of the device according to an embodiment of the present utility model.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

An elastic band chamfering machine, as shown in fig. 1-3, comprises a frame 1, a controller, an operation panel 5 and at least one group of chamfering devices mounted on the frame 1.

The frame 1 is a rectangular frame or a box structure. In this embodiment, the lower end of the frame 1 is a frame structure, and the upper end is a box structure, i.e. the box structure has an internal cavity. The installation height of the chamfering device is the position which can be operated and observed when an ordinary adult stands. In this embodiment, the chamfering device is mounted on the box structure at the upper end of the frame 1. And when the van-type structure is used, a worker operates and observes the supporting wall facing the outside of the frame 1.

Each set of chamfering means comprises a pulling assembly 2, a chamfering assembly 3, a protecting assembly 4 and an adjusting assembly 6.

The traction assembly 2 comprises a power roller 21, a driven roller 22, a pressing roller 23, an anti-torsion bar 24, a servo motor 25, a synchronous belt 26 and a synchronous shaft 27.

The power roller 21 and the driven roller 22 are rotatably mounted on the frame 1, and preferably, the diameters of the power roller 21 and the driven roller 22 are equal. The central axis of the power roller 21 and the central axis of the driven roller 22 are arranged in parallel at intervals and are positioned in the same horizontal plane. The number of the compression rollers 23 capable of rotating is two, and the central axes of the compression rollers 23 and the central axes of the power rollers 21 are arranged at intervals in parallel. Two pinch rollers 23 are respectively located above the power roller 21 and above the driven roller 22. One end of the synchronous belt 26 is sleeved on the driving shaft of the servo motor 25, the other end of the synchronous belt is sleeved on one end of the synchronous shaft 27, and the other end of the synchronous shaft 27 is connected with the center of the power roller 21.

Preferably, the power roller 21, the driven roller 22 and the pressing roller 23 are positioned at one side of the supporting wall and at the outside of the cuboid, and the servo motor 25, the synchronous belt 26 and the synchronous shaft 27 are positioned at the other side of the supporting wall and at the inside of the cuboid. The synchronizing shaft 27 is rotatably installed on the supporting wall of the frame 1, one end of the synchronizing shaft 27 is connected with the synchronizing belt 26, and the other end of the synchronizing shaft passes through the supporting wall and then is connected with the power roller 21.

Preferably, the pinch roller 23 is a rubber wheel.

The axial one end of power gyro wheel 21 is fixed to be equipped with first locating part 28, and the other end is equipped with adjustable second locating part 29, and first locating part 28 and second locating part 29 are cylindrical structure, both interval arrangement. The first stopper 28 protrudes from the circumferential side of the power roller 21 along the circumferential direction of the power roller 21, and the second stopper 29 protrudes from the circumferential side of the power roller 21 along the circumferential direction of the power roller 21. A groove for accommodating the elastic band is formed between the first limiting piece 28 and the second limiting piece 29. The width between the first limiting piece 28 and the second limiting piece 29 is equal to the width of the elastic band, the second limiting piece 29 is fixed after being moved to a set position along the axial direction of the power roller 21, namely, the width between the first limiting piece 28 and the second limiting piece 29 is adjustable, so that the power roller 21 can adapt to the elastic bands with different widths.

Preferably, the inner rings of the first and second limiting members 28 and 29 contact the power roller 21.

The second limiting member 29 may adopt various adjustment manners, in this embodiment, a screw hole penetrating through the second limiting member 29 is provided at one end of the second limiting member 29 far away from the first limiting member 28, and a bolt matched with the screw hole penetrates through the screw hole and then is pressed against the circumferential surface of the power roller 21, so as to fix the second limiting member 29 on the power roller 21. The position of the second limiting member 29 in the axial direction of the power roller 21 can be adjusted after the bolts are loosened.

The driven roller 22 and the power roller 21 have the same structure and are not described in detail herein.

Based on the above structure, the servo motor 25 drives the synchronous belt 26 to drive, the synchronous belt 26 drives the synchronous shaft 27 to rotate, and the synchronous shaft 27 drives the power roller 21 to rotate. The elastic belt to be processed sequentially passes through the space between the driven roller 22 and one pressing roller 23 and the space between the power roller 21 and the other pressing roller 23, and the power roller 21, the driven roller 22 and the two pressing rollers 23 clamp the elastic belt, namely, one part of the elastic belt is clamped by the driven roller 22 and one pressing roller 23 and the other part is clamped by the power roller 21 and the other pressing roller 23 along the length direction of the elastic belt. When the power roller 21 is driven to rotate, the pressing roller 23 is driven to rotate due to friction force among the power roller 21, the elastic band and the pressing roller 23, the elastic band is driven to drive forward, and the elastic band drives the driven roller 22 and the other pressing roller 23 to rotate.

The torsion bar 24 is mounted on the frame 1, the torsion bar 24 and the power roller 21 being located on the same side of the support wall. The torsion preventing rod 24 is rod-shaped, the length direction of the torsion preventing rod 24 is parallel to the central axis of the driven roller 22, and the torsion preventing rod 24 is positioned below the driven roller 22 at intervals.

The chamfering assembly 3 comprises a sharpening roller 31, a pad bottom 32, a sharpening motor 33 and a transmission shaft, wherein the sharpening roller 31, the pad bottom 32 and the power roller 21 are positioned on the same side of the supporting wall, and the sharpening motor 33 and the servo motor 25 are positioned on the same side of the supporting wall. One end of the transmission shaft is connected with the driving shaft of the servo motor 25, and the other end of the transmission shaft penetrates through the supporting wall and then is detachably connected with the center of the sharpening roller 31. The sharpening roller 31 and the pad 32 are both positioned between the power roller 21 and the driven roller 22, the pad 32 is mounted on the supporting wall, the pad 32 is positioned below the elastic band, and the sharpening roller 31 is positioned above the elastic band.

The outer surface of the sharpening roller 31 is a frosted surface for sharpening the elastic band. The knife sharpening roller 31 with proper specification can be selected according to different widths of the elastic bands.

The protective assembly 4 includes a cylinder 41, a rail 42, a hood mounting base 43, a shroud 44, and a suction interface 45. The protective assembly 4 as a whole and the power roller 21 are located on the same side of the support wall. The two guide rails 42 are arranged on the supporting wall at intervals in parallel, and the length direction of the guide rails 42 is perpendicular to the central axis direction of the power roller 21. The guide rail 42 is located above the sharpening roller 31. The shield mounting base plate 43 has a plate-like structure, and both ends of the shield mounting base plate 43 are slidably provided on the two guide rails 42, respectively. The cover 44 is fixedly mounted on the cover mounting base plate 43, the cover 44 is in a cambered surface shape, one end of the cover 44 is fixedly connected to the cover mounting base plate 43, and the other end of the cover 44 is obliquely and downwardly suspended in a direction away from the cover mounting base plate 43. The concave side of the housing 44 faces the shield mounting base 43. The cover 44 and the support wall are located on both sides of the shield mounting base 43, respectively. The suction port 45 is mounted on the housing 44, and one end of the suction port 45 communicates with the concave side of the housing 44, and the other end communicates with the convex side of the housing 44. The cylinder 41 is located above the guide rail 42, the cylinder 41 is mounted on the support wall of the frame 1, and the cylinder 41 is connected to and drives the shield mounting base plate 43 to linearly move along the length direction of the guide rail 42.

The pinch rollers 23 are also mounted on the hood mounting base 43, preferably with two pinch rollers 23 located below the hood 44. That is, the pressing roller 23 may be lifted or lowered by the shield mounting plate 43, and when the two pressing rollers 23 respectively press the power roller 21 and the driven roller 22 and the sharpening roller 31 contacts the elastic band between the power roller 21 and the driven roller 22, the sharpening roller 31 is positioned at the concave side of the housing 44.

Based on the above-described structure, the two pinch rollers 23 may be lowered to pinch the power roller 21 and the driven roller 22, respectively, or may be raised to disengage the power roller 21 and the driven roller 22.

The adjusting assembly 6 includes a Y-module 61, a slide 62, a fixed bracket 63, an X-module 64, and a slide clamp 65. The adjusting assembly 6 as a whole and the servomotor 25 are located on the same side of the support wall.

The Y module 61 is located above the X module 64, and both the Y module 61 and the X module 64 are ball screw linear modules. The fixed bracket 63 is fixedly installed on the supporting wall, and the sliding table 62 is fixedly installed on the fixed bracket 63 and is simultaneously screwed on the screw rod of the Y module 61. The length direction of the screw of the Y-die set 61 is perpendicular to the central axis direction of the sharpening roller 31. When the motor of the Y module 61 drives the screw rod to rotate, the sliding table 62 moves along the length direction of the screw rod, and because the sliding table 62 is fixedly mounted on the fixed support 63, the structure of the Y module 61 except the sliding table 62 moves along the length direction of the screw rod relative to the sliding table 62, i.e. the base of the Y module 61 can be lifted.

The X module 64 is fixedly connected to the lower end of the base of the Y module 61. The lead screw of X module 64 is parallel to the center pin of sharpening gyro wheel 31, and slip table anchor clamps 65 fixed connection is on the slip table of X module 64, and slip table anchor clamps 65 still fixedly cup joints outside sharpening motor 33. The sliding table of the X module 64 is screwed on the screw rod of the X module 64.

When the motor of the X module 64 is started, the screw rod of the X module 64 is driven to rotate, the base of the X module 64 is fixed by the Y module 61, the sliding table of the X module 64 moves linearly along the length direction of the screw rod, and the sliding table drives the sliding table clamp 65, the sharpening motor 33 and the sharpening roller 31 to move linearly synchronously along the length direction of the screw rod of the X module 64.

When the motor of the Y module 61 is started, the screw rod of the Y module 61 is driven to rotate, the sliding table of the Y module 61 and the base of the Y module 61 move linearly along the length direction of the screw rod of the Y module 61, and as the sliding table of the Y module 61 is fixed on the frame 1, the base of the Y module 61 moves linearly along the length direction of the screw rod of the Y module 61, and the Y module 61 drives the X module 64, the sliding table clamp 65, the sharpening motor 33 and the sharpening roller 31 to move synchronously.

Based on the above structure, the sharpening roller 31 can linearly move along the central axis direction of the sharpening roller 31 driven by the X module 64 and linearly move along the direction perpendicular to the central axis direction of the sharpening roller 31 driven by the Y module 61 while realizing rotation.

The X-die set 64 and the Y-die set 61 may be in a ball screw linear die set structure in the prior art, and will not be described herein.

The operation panel 5 is installed on the supporting wall, the operation panel 5, the servo motor 25, the knife sharpening motor 33, the air cylinder 41, the Y module 61 and the X module 64 are all electrically connected with the controller, after a control program is set, a control instruction and other parameters can be input through the operation panel 5, and the control of the servo motor 25, the knife sharpening motor 33, the air cylinder 41, the Y module 61 and the X module 64 is realized.

The working process of the utility model is as follows: when two or more than two groups of chamfering devices are arranged, the elastic band sequentially bypasses the chamfering devices according to the sequence. By providing the torsion bar 24, the elastic band is effectively prevented from twisting and rolling during operation.

By inputting a start command through the operation panel 5, parameters such as chamfering depth, length of the elastic band and the like can be input, after the program is started, firstly the air cylinder 41 is started, and the two pressing rollers 23 on the protective cover mounting base plate 43 and the protective cover mounting base plate 43 are driven to descend to the two pressing rollers 23 to press the elastic band on the power roller 21 and the driven roller 22. Then the Y module 61 and the X module 64 are started, and the Y module 61 and the X module 64 drive the sharpening roller 31 to respectively descend and horizontally move by set values according to a program set in the controller or parameters input through the control panel 5, so that the sharpening roller 31 contacts the elastic band between the power roller 21 and the driven roller 22 and is positioned at a proper polishing position, and the sharpening roller 31 and the pad bottom 32 realize clamping of the elastic band. Finally, a knife sharpening motor 33 and a servo motor 25 are started, the knife sharpening motor 33 drives a knife sharpening roller 31 to rotate, the servo motor 25 drives a power roller 21 to rotate, and the power roller 21 drives the elastic belt to drive by friction force, so that the elastic belt is polished and chamfered. During sanding, the elastic band is corrected in twist direction by the torsion bar 24 when passing through the torsion bar 24, and the right side of the elastic band is kept upwards to pass through the driven roller 22. The cover 44 effectively blocks chips cut off at the time of chamfering while protecting workers from injury by erroneously touching the chamfering unit 3. The suction port 45 may be connected to an external suction device, and the debris polished during chamfering is sucked away through the suction port 45. After finishing polishing, the knife sharpening motor 33 and the servo motor 25 are stopped, the knife sharpening roller 31 and the pressing roller 23 are driven to rise, and the elastic band is taken out.

Finally, what is necessary here is: the above embodiments are only for further detailed description of the technical solutions of the present utility model, and should not be construed as limiting the scope of the present utility model, and some insubstantial modifications and adjustments made by those skilled in the art from the above description of the present utility model are all within the scope of the present utility model.

Claims (10)

1. The utility model provides an elastic band chamfering machine, its characterized in that includes frame (1) and installs traction element (2), chamfer subassembly (3) and regulation subassembly (6) on frame (1), traction element (2) press from both sides tightly to wait to process the elastic band along at least two places of elastic band length direction interval and drive the elastic band transmission, chamfer subassembly (3) are including being used for right the elastic band is polished sharpening gyro wheel (31), sharpening gyro wheel (31) are driven the rotation, and regulation subassembly (6) are connected and are transmitted the drive to sharpening gyro wheel (31), drive sharpening gyro wheel (31) be close to or keep away from in one side between the two places of elastic band's being pressed from both sides the elastic band and follow elastic band width direction removes.

2. The elastic band chamfering machine as defined in claim 1, wherein: the traction assembly (2) comprises a power roller (21), a driven roller (22), a pressing roller (23) and a servo motor (25), wherein the power roller (21) and the driven roller (22) are rotatably arranged on the frame (1), a central shaft of the power roller (21) and a central shaft of the driven roller (22) are arranged at intervals in parallel and are positioned in the same horizontal plane, the servo motor (25) transmits driving force to the power roller (21), the two pressing rollers (23) are arranged at two positions, the two pressing rollers (23) are respectively positioned above the power roller (21) and the driven roller (22), the elastic band sequentially passes through a space between the driven roller (22) and one pressing roller (23) and a space between the power roller (21) and the other pressing roller (23), and the two pressing rollers (23) can descend to respectively press the power roller (21) and the driven roller (22), or can ascend to be separated from the power roller (21) and the driven roller (22).

3. The elastic band chamfering machine as defined in claim 2, wherein: the traction assembly (2) further comprises an anti-torsion bar (24), the anti-torsion bar (24) is arranged on the frame (1), the length direction of the anti-torsion bar (24) is parallel to the central axis of the driven roller (22), and the anti-torsion bar (24) is positioned below the driven roller (22).

4. The elastic band chamfering machine as defined in claim 2, wherein: the chamfering assembly (3) further comprises a sharpening motor (33), and the sharpening motor (33) is connected with and transmits driving to the sharpening roller (31).

5. The elastic band chamfering machine as defined in claim 4, wherein: the elastic band chamfering machine further comprises an adjusting component (6) arranged on the frame (1), the adjusting component (6) comprises a Y module (61) and an X module (64), the X module (64) is transmitted to drive the sharpening roller (31) to enable the sharpening roller (31) to linearly reciprocate along the direction of the center of the sharpening roller, and the Y module (61) is connected with and drives the X module (64) to drive the sharpening roller (31) to linearly reciprocate in the direction perpendicular to the center axis of the sharpening roller (31).

6. The elastic band chamfering machine as defined in claim 2, wherein: the elastic band chamfering machine further comprises a protection component (4), the protection component (4) comprises an air cylinder (41), a protection cover mounting bottom plate (43) and a cover shell (44), the protection cover mounting bottom plate (43) is located above the power roller (21), the air cylinder (41) is mounted on the frame (1), the cover shell (44) and the pressing roller (23) are mounted on the protection cover mounting bottom plate (43), and the air cylinder (41) is connected with and drives the protection cover mounting bottom plate (43) to lift.

7. The elastic band chamfering machine according to claim 5 or 6, characterized in that: the chamfering machine further comprises a controller and an operation panel (5) arranged on the frame (1), and the operation panel (5) is electrically connected with the controller.

8. The elastic band chamfering machine as defined in claim 7, wherein: the servo motor (25), the knife sharpening motor (33), the air cylinder (41), the Y module (61) and the X module (64) are electrically connected with the controller.

9. The elastic band chamfering machine as defined in claim 8, wherein: the chamfering machine comprises a group of traction components (2), a group of chamfering components (3), a group of protection components (4) and a group of adjusting components (6), wherein the group of chamfering devices are formed by matching, and at least one group of chamfering devices are arranged on the chamfering machine.

10. The elastic band chamfering machine as defined in claim 2, wherein: the axial one end of power gyro wheel (21) is fixed and is equipped with first locating part (28), and the other end is equipped with adjustable second locating part (29), forms between first locating part (28) and second locating part (29) and holds the recess of elastic webbing, and second locating part (29) are fixed after the axial along power gyro wheel (21) is movable to the settlement position.