Auxiliary pushing hand device of cut-to-size saw

Abstract

The utility model relates to an auxiliary pushing hand device of a cut-to-size saw, and belongs to the technical field of cut-to-size saws. The auxiliary pushing hand device of the cut-to-size saw comprises a clamp assembly, a servo gear motor, a helical rack, a gear assembly connected with the helical rack in a meshed mode and an adjusting assembly used for adjusting the gap between the gear assembly and the helical rack. The helical rack is provided with a plurality of tooth groove structures which are distributed side by side, and each tooth groove structure is provided with a first tooth surface and a second tooth surface; the gear assembly comprises an upper bevel gear and a lower bevel gear, the upper bevel gear and the lower bevel gear are coaxially arranged and installed on an output shaft of the servo gear motor, the upper bevel gear abuts against the first tooth surface in a contact mode, and the lower bevel gear abuts against the second tooth surface in a contact mode. According to the scheme provided by the utility model, gaps between the gears and the racks can be reduced in a mode that the double gears are meshed simultaneously, and the multi-station positioning accuracy of the auxiliary pushing hand device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a panel saw technical field especially relates to a panel saw's vice push hand device. BACKGROUND

[0002] The vice push hand device of panel saw is one of the important mechanisms of sawing equipment, has the characteristics of long span and multiple stations, and participates in sawing work as the reference surface of plate sawing. The structure of the vice push hand device is roughly servo deceleration motor drive, gear and rack transmission and clamp assembly, etc. In the process of gear and rack transmission, due to the machining and assembly tolerance of gear, backlash exists between the meshing of gear teeth, so that a certain return difference exists between the gear and rack, which makes the working accuracy of the vice push hand device difficult to meet the expectation, and affects the quality of plate sawing. SUMMARY

[0003] In order to overcome the problems in the related art, the utility model provides a vice push hand device of panel saw, which can reduce the gap of gear and rack by the way of double gear meshing at the same time, and improve the positioning accuracy of multiple stations of the vice push hand device.

[0004] The utility model provides a vice push hand device of panel saw, which comprises a clamp assembly, a servo deceleration motor, a helical rack, a gear assembly meshing connected with the helical rack and an adjusting assembly for adjusting the gap between the gear assembly and the helical rack.

[0005] The helical rack has a plurality of tooth groove structures arranged side by side, and the tooth groove structure has a first tooth surface and a second tooth surface.

[0006] The gear assembly comprises an upper helical gear and a lower helical gear, the upper helical gear and the lower helical gear are coaxially arranged and installed on the output shaft of the servo deceleration motor, the upper helical gear is in contact with the first tooth surface, and the lower helical gear is in contact with the second tooth surface.

[0007] In some embodiments, the upper helical gear is connected and fixed with the lower helical gear by a fastener, and the lower helical gear is connected and fixed with the output shaft of the servo deceleration motor.

[0008] In some embodiments, a first threaded hole is arranged on the radial end face of the upper helical gear, and the first threaded hole is used to adjust the distance between the upper helical gear and the first tooth surface.

[0009] The adjusting assembly comprises an adjusting plate, an adjusting block, an adjusting bolt and an adjusting rod, a plurality of long holes are arranged on the adjusting plate, a screw is arranged in the long hole, the screw is threadedly connected with the clamp assembly, the adjusting block is arranged on the clamp assembly and located on one side of the adjusting plate, the adjusting bolt is threadedly connected with the adjusting block, and the end of the adjusting bolt abuts against the adjusting plate.

[0010] The output shaft of the servo deceleration motor is connected and fixed with the lower helical gear through the adjusting plate.

[0011] In some embodiments, the lower helical gear is provided with a key groove for mounting the output shaft, and a plurality of second threaded holes are arranged on the radial end face of the lower helical gear, a plurality of arc-shaped holes corresponding to the second threaded holes are arranged on the radial end face of the upper helical gear, and the fasteners are threadedly connected with the second threaded holes through the arc-shaped holes.

[0012] In some embodiments, the material of the upper helical gear is metal or plastic, and the material of the lower helical gear is metal or plastic.

[0013] In some embodiments, the plastic is any one of carbon fiber reinforced plastic, glass fiber reinforced plastic, aramid fiber reinforced plastic and polyamide.

[0014] In some embodiments, the upper helical gear and the lower helical gear have the same tooth profile parameters.

[0015] In some embodiments, the clamp assembly comprises a mounting seat, a sliding rail and a sliding block, the sliding rail is arranged on the panel saw, the sliding block is slidably connected with the sliding rail, the sliding block is arranged on the mounting seat, and the adjusting plate and the adjusting block are arranged on the mounting seat.

[0016] In some embodiments, a magnetic scale and a reading head are further included, the magnetic scale is arranged on the panel saw and is in the same direction as the transmission direction of the helical rack, and the reading head is arranged on the mounting seat and is used for recording the movement data of the magnetic scale.

[0017] The technical scheme provided by the utility model can have the following beneficial effects:

[0018] When the technical scheme of the utility model is applied, the original gear is replaced by the upper helical gear and the lower helical gear, the upper helical gear and the lower helical gear are prelocked through the fasteners, then are inserted on the output shaft of the servo deceleration motor, the tooth profile of the upper helical gear and the lower helical gear is misaligned through the adjusting assembly, the teeth of the upper helical gear abut against the first tooth surface of the tooth groove structure, and the teeth of the lower helical gear abut against the second tooth surface of the tooth groove structure, thereby eliminating the backlash between the gear teeth, and improving the accuracy of the push plate of the secondary push hand device. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and other objects, features and advantages of the utility model will become more apparent through the following detailed description of exemplary embodiments of the utility model, taken in conjunction with the accompanying drawings, in which, in the exemplary embodiments of the utility model, the same reference numerals are usually used to represent the same components.

[0020] Figure 1 is the structural schematic view of the panel saw shown in the utility model embodiments.

[0021] Figure 2 is a structure schematic view of a vice pushing hand device of the panel saw, shown in an embodiment of the utility model;

[0022] Figure 3 is a structure schematic view of a gear assembly, shown in an embodiment of the utility model;

[0023] Figure 4 is an adjustment state view of the gear assembly, shown in an embodiment of the utility model;

[0024] Figure 5 is a cooperation schematic view of the gear assembly and the helical rack, shown in an embodiment of the utility model.

[0025] Reference signs:

[0026] 1, panel saw; 11, clamp assembly; 111, mounting seat; 112, slide rail; 113, sliding block; 114, magnetic scale; 115, reading head; 12, servo deceleration motor; 13, helical rack; 13a, first tooth surface; 13b, second tooth surface; 14, gear assembly; 141, upper helical gear; 141a, arc hole; 141b, first threaded hole; 142, lower helical gear; 142a, key groove; 142b, second threaded hole; 143, fastener; 15, adjustment assembly; 151, adjustment plate; 151a, screw; 152, adjustment block; 153, adjustment bolt; 154, adjustment rod. DETAILED DESCRIPTION

[0027] The preferred embodiments of the utility model will be described in more detail below with reference to the drawings. Although the preferred embodiments of the utility model are shown in the drawings, it should be understood that the utility model can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to make the utility model more thorough and complete, and to fully convey the scope of the utility model to those skilled in the art.

[0028] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "one end", "the other end", "outer side", "upper", "inner side", "horizontal", "coaxial", "central", "end", "length", "outer end" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0029] In addition, in the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly and specifically limited.

[0030] The technical scheme of the embodiment of the utility model is described in detail below with reference to the drawings.

[0031] As Figures 1 to 5 The utility model provides a kind of vice push hand device of plate cutting saw, including clamp assembly 11, servo reduction motor 12, bevel gear rack 13, gear assembly 14 with bevel gear rack 13 meshing connection and the adjusting assembly 15 for adjusting the gap between gear assembly 14 and bevel gear rack 13;

[0032] The bevel gear rack 13 has several side-by-side distributed tooth groove structures, and the tooth groove structure has a first tooth surface 13a and a second tooth surface 13b.

[0033] The gear assembly 14 includes an upper bevel gear 141 and a lower bevel gear 142. The upper bevel gear 141 and the lower bevel gear 142 are coaxially arranged and installed on the output shaft of the servo reduction motor 12. The upper bevel gear 141 is in contact with the first tooth surface 13a. The lower bevel gear 142 is in contact with the second tooth surface 13b.

[0034] When the technical scheme of the utility model is applied, the original gear is replaced by the upper bevel gear 141 and the lower bevel gear 142. The upper bevel gear 141 and the lower bevel gear are pre-tightened by fasteners 143, then inserted into the output shaft of the servo reduction motor 12, and the upper bevel gear 141 and the lower bevel gear 142 are made to form a tooth shape misplacement by the adjusting assembly 15. The teeth of the upper bevel gear 141 abut against the first tooth surface 13a of the tooth groove structure, and the teeth of the lower bevel gear 142 abut against the second tooth surface 13b of the tooth groove structure. Thus, the problem of backlash between gear teeth is eliminated, and the accuracy of the push plate of the vice push hand device is improved.

[0035] Further, the upper bevel gear 141 is connected and fixed with the lower bevel gear 142 by the fasteners 143. The lower bevel gear 142 is connected and fixed with the output shaft of the servo reduction motor 12.

[0036] Further, a first threaded hole 141b is provided on the radial end face of the upper bevel gear 141. The first threaded hole 141b is used to adjust the distance between the upper bevel gear 141 and the first tooth surface 13a.

[0037] The adjusting assembly 15 includes an adjusting plate 151, an adjusting block 152, an adjusting bolt 153, and an adjusting rod 154. The adjusting plate 151 is provided with a plurality of long hole. A screw 151a is arranged in the long hole. The screw 151a is threadedly connected with the clamp assembly 11. The adjusting block 152 is arranged on the clamp assembly 11 and located on one side of the adjusting plate 151. The adjusting bolt 153 is threadedly connected with the adjusting block 152, and the end of the adjusting bolt 153 abuts against the adjusting plate 151.

[0038] The output shaft of the servo deceleration motor 12 is connected and fixed with the lower helical gear 142 after passing through the adjusting plate 151.

[0039] Further, the lower helical gear 142 is provided with a key groove 142a for mounting the output shaft, and a plurality of second threaded holes 142b are arranged on the radial end face of the lower helical gear 142, a plurality of arc-shaped holes 141a corresponding to the second threaded holes 142b are arranged on the radial end face of the upper helical gear 141, and the fastener 143 is threadedly connected with the second threaded holes 142b after passing through the arc-shaped holes 141a.

[0040] Further, the material of the upper helical gear 141 is metal or plastic, and the material of the lower helical gear 142 is metal or plastic, which can further reduce the noise level of the gear assembly 14 during transmission.

[0041] Further, the plastic is any one of carbon fiber reinforced plastic, glass fiber reinforced plastic, aramid fiber reinforced plastic and polyamide.

[0042] Further, the upper helical gear 141 and the lower helical gear 142 have the same tooth profile parameters.

[0043] Further, the clamp assembly 11 includes a mounting seat 111, a sliding rail 112 and a sliding block 113, the sliding rail 112 is arranged on the panel saw 1, the sliding block 113 is slidably connected with the sliding rail 112, the sliding block 113 is arranged on the mounting seat 111, and the adjusting plate 151 and the adjusting block 152 are arranged on the mounting seat 111.

[0044] Further, the auxiliary push handle device of the panel saw further includes a magnetic scale 114 and a reading head 115, the magnetic scale 114 is arranged on the panel saw 1 and is in the same direction as the transmission direction of the helical rack 13, and the reading head 115 is arranged on the mounting seat 111, and the reading head 115 is used to record the movement data of the magnetic scale 114.

[0045] Specifically, the original gear is replaced by an upper helical gear 141 and a lower helical gear 142 of the same structure, the upper helical gear 141 and the lower helical gear 142 are prelocked by fasteners 143, after the output shaft of the servo reducer motor 12 is inserted, the lower helical gear 142 is connected to the servo reducer motor 12 through the top wire and the key groove 142a, after locking, the upper helical gear 141 and the lower helical gear 142 are installed on the mounting seat 111, then the installation adjusting plate 151 and the adjusting plate 151 are adjusted, the screw thread depth of the control adjusting bolt 153 and the adjusting plate 151, that is, the gap between the gear assembly 14 and the helical rack 13 can be adjusted, the meshing strength of the gear assembly 14 and the helical rack 13 is ensured, after the lower helical gear 142 is meshed and connected with the helical rack 13, the fasteners 143 of the upper helical gear 141 and the lower helical gear 142 are loosened, then two screws 151a are installed on the first threaded hole 141b of the upper helical gear 141, one end of the adjusting rod 154 is placed between the two screws 151a, the other end of the adjusting rod 154 is manually pulled, the upper helical gear 141 rotates relative to the lower helical gear 142 under the action of the adjusting rod 154, the upper helical gear 141 and the lower helical gear 142 form a tooth shape dislocation, so that the upper helical gear 141 abuts against the first tooth surface 13a, and the lower helical gear 142 abuts against the second tooth surface 13b, then the fasteners 143 are locked to connect and fix the upper helical gear 141 and the lower helical gear 142. Under this setting, the gap between the gear and the rack can be reduced by the double-gear simultaneous meshing mode, and the reading head 115 and the magnetic grating ruler 114 are added in the auxiliary hand device, so that the transmission data of the helical rack 13 and the gear assembly 14 can be indirectly obtained, when a large return error occurs, the meshing effect of the upper helical gear 141 and the lower helical gear 142 and the tooth groove structure can be adjusted by the adjusting bolt 153 and the adjusting rod 154 respectively, thereby eliminating the backlash of the gear assembly 14 and the helical rack 13, and ensuring the working accuracy of the auxiliary hand device.

[0046] In summary, compared with the prior art, the auxiliary hand device of the cutting-off saw provided by the application effectively reduces the backlash of the gear assembly 14 and the helical rack 13, improves the positioning accuracy of the two kinds of motion directions of the reciprocating motion, and improves the positioning accuracy of the multi-station by adding the reading head 115 and the magnetic grating. When the motion direction is changed, the force of the gear assembly 14 instantaneously impacting the helical rack 13 can be reduced, the wear of the upper helical gear 141, the lower helical gear 142 and the helical rack 13 is reduced, and the upper helical gear 141 and the lower helical gear 142 can be combined by selecting different materials, thereby further reducing the noise level of the cutting-off saw.

[0047] The above has described various embodiments of the present application, the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical application, or improvement to the technology in the market, or to enable other ordinary skilled in the art to understand the embodiments disclosed herein.

Claims

1. A kickstand device for a panel saw, characterized in that The clamp assembly (11), the servo reduction motor (12), the helical rack (13), the gear assembly (14) engaged with the helical rack (13), and the adjusting assembly (15) for adjusting the gap between the gear assembly (14) and the helical rack (13) are provided. The helical rack (13) has a plurality of tooth groove structures arranged side by side, and each tooth groove structure has a first tooth surface (13a) and a second tooth surface (13b). The gear assembly (14) includes an upper helical gear (141) and a lower helical gear (142), which are coaxially arranged on the output shaft of the servo reduction motor (12), the upper helical gear (141) is in contact with the first tooth surface (13a), and the lower helical gear (142) is in contact with the second tooth surface (13b).

2. The auxiliary pusher device of the panel saw according to claim 1, characterized in that, The upper helical gear (141) is connected and fixed with the lower helical gear (142) through a fastener (143), and the lower helical gear (142) is connected and fixed with the output shaft of the servo reduction motor (12).

3. The auxiliary pusher device of the panel saw according to claim 2, characterized in that, A first threaded hole (141b) is arranged on the radial end surface of the upper helical gear (141), and the first threaded hole (141b) is used to adjust the distance between the upper helical gear (141) and the first tooth surface (13a). The adjusting assembly (15) includes an adjusting plate (151), an adjusting block (152), an adjusting bolt (153), and an adjusting rod (154), the adjusting plate (151) is provided with a plurality of long hole, and a screw (151a) is arranged in each long hole, the screw (151a) is threadedly connected with the clamp assembly (11); the adjusting block (152) is arranged on the clamp assembly (11) and located on one side of the adjusting plate (151); the adjusting bolt (153) is threadedly connected with the adjusting block (152), and the end of the adjusting bolt (153) abuts against the adjusting plate (151). The output shaft of the servo reduction motor (12) is connected and fixed with the lower helical gear (142) after penetrating the adjusting plate (151).

4. The auxiliary pusher device of the panel saw according to claim 3, characterized in that, The lower helical gear (142) is provided with a key groove (142a) for mounting the output shaft, a plurality of second threaded holes (142b) are arranged on the radial end surface of the lower helical gear (142), and a plurality of arc-shaped holes (141a) corresponding to the second threaded holes (142b) are arranged on the radial end surface of the upper helical gear (141), the fastener (143) is threadedly connected with the second threaded holes (142b) after penetrating the arc-shaped holes (141a).

5. The auxiliary pusher device of the panel saw according to claim 4, characterized in that, The material of the upper helical gear (141) is metal or plastic, and the material of the lower helical gear (142) is metal or plastic.

6. The auxiliary pusher device of the panel saw according to claim 5, characterized in that, The plastic is any one of carbon fiber reinforced plastic, glass fiber reinforced plastic, aramid fiber reinforced plastic, and polyamide.

7. The kick plate assembly of claim 6 wherein, The upper helical gear (141) and the lower helical gear (142) have the same tooth profile parameters.

8. The auxiliary pusher device of the panel saw according to claim 3, characterized in that, The clamp assembly (11) comprises a mounting seat (111), a sliding rail (112) and a sliding block (113), the sliding rail (112) is arranged on the panel saw (1), the sliding block (113) is in sliding connection with the sliding rail (112), the sliding block (113) is arranged on the mounting seat (111), and the adjusting plate (151) and the adjusting block (152) are both arranged on the mounting seat (111).

9. The auxiliary pusher device of the panel saw according to claim 8, characterized in that, A magnetic scale (114) and a reading head (115) are further included, the magnetic scale (114) is arranged on the panel saw (1) and is in the same direction as the transmission direction of the helical rack (13), and the reading head (115) is arranged on the mounting seat (111), and the reading head (115) is used for recording the movement data of the magnetic scale (114).

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