CN2548745Y - Wire saw machine with angle adjustment structure - Google Patents

Abstract

A jigsaw machine with an angle adjusting structure. In order to provide a sawing machine with convenient angle inclination adjustment operation, easy viewing of inclination angle data, smooth sawing operation and improved operation efficiency, the utility model is provided, which comprises a machine table fixedly provided with a workbench, a power unit, a cantilever frame body pivoted at the first end of the machine table, a cantilever unit assembled on the cantilever frame body, a transmission unit, a saw blade unit and an angle adjustment structure; the angle adjusting structure comprises a pivot unit, a guide frame and a control unit which are arranged between the workbench and the cantilever frame body so as to lead the cantilever frame body to swing relative to the machine platform; the pivot unit comprises a first pivot piece fixedly locked on the bottom surface of the workbench, a sleeve extending out from the outer end surface of the cantilever frame body and a second pivot piece fixedly locked on the bottom surface of the workbench; the guide frame is provided with a connecting block with an arc guide groove; the control unit is provided with an operating handle which is extended to penetrate through the arc guide groove screw rod on the connecting block so as to clamp the connecting block of the guide frame; the cantilever frame is pivoted on the machine table by a first pivot piece and a second pivot piece to swing relative to the machine table.

Description

Wire saw machine with angle adjustment structure

technical field

The utility model belongs to a saw machine, in particular to a wire saw machine with an angle adjustment structure.

Background technique

As shown in Fig. 1, Fig. 2 and Fig. 3, the known wire saw machine 10 includes a machine base 11, a cantilever frame body 12 installed on the first end 111 of the machine table 11, and a cantilever frame body 12 fixed in the cantilever frame body 12. The power unit 13, the cantilever unit 14 passing through the cantilever frame body 12 and protruding toward the second end 112 of the machine table 11, the transmission unit 15 installed between the power unit 13 and the cantilever unit 14, and assembled on the cantilever unit 14 The saw blade unit 16, the workbench 17 which is swingably installed on the second end 112 of the machine platform 11, and the control unit 18 installed between the workbench 17 and the machine platform 11.

A pivot block 113 is formed upward on the top surface of the second end 112 of the machine table 11 , and a pivot hole 114 and a screw hole 115 are provided in the pivot block 113 .

The cantilever frame body 12 is a slightly U-shaped inner hollow frame body, which is provided with a connecting portion 121 and a top frame body 122 and a bottom frame body 123 respectively extending from two ends of the connection portion 121 along the same side.

The power unit 13 includes a motor 131 and a motor fixing seat 132 locked in the connecting portion 121 of the cantilever frame body 12 . The motor fixing seat 132 is provided with a bottom section where the motor 131 can be locked and a top section where the bearing 133 is installed.

The cantilever unit 14 includes a top cantilever 141 that is passed through the top frame body 122 of the cantilever frame body 12, a bottom cantilever 142 that is penetrated in the bottom frame body 123 of the cantilever frame body 12, and is pivotally connected to the top cantilever 141 and the bottom cantilever 142. The connecting arm 143 between the ends.

The transmission unit 15 comprises the driving wheel 151 that is set on the spindle of the motor 131, the driven wheel 52 that is assembled in the bearing 133, the transmission belt 153 that hangs between the driving wheel 151 and the driven wheel 152, and is screwed to the driven wheel 152 in the axial direction. The driving part 154 of the eccentric screw hole 1521 is provided with a horizontal long slot 1551 for installing the driving part 154 and locked to the driving block 155 of the connecting arm 143 .

The saw blade unit 16 includes a top connecting seat 161, a bottom fixing seat 162, which are respectively assembled on the top of the cantilever unit 14 and the second ends of the bottom cantilever arms 141 and 142, a screw rod 163 pivotally connected to the top connecting seat 161 and extending along the top end, sleeved on the screw rod The spring 164 of 163, the adjustment knob 165 screwed on the screw rod 163 and located at the top of the top cantilever 141, and the saw blade 166 assembled between the top connecting seat 161 and the bottom fixing seat 162.

The workbench 17 is provided with a through hole 171 for the saw blade 166 to pass through and a pin 172 inserted in the pivot hole 1231 of the bottom frame body 123 of the cantilever frame body 12 .

The control unit 18 includes an adjustment seat 181 locked on the bottom of the workbench 17 and located outside the pivot block 113, a pivot rod 182 fixed on the adjustment seat 181 and inserted into the pivot hole 114, and an arc-shaped slot 1811 passing through the adjustment seat 181. And the operating handle 183 is screwed to the screw hole 115 .

As shown in Figures 2 and 3, start the motor 131 to drive the driven wheel 152 to rotate, and cause the driving member 154 to rotate eccentrically, so that the driving block 155 drives the cantilever unit 14 to produce linear motion up and down, and finally the saw blade 166 is synchronized Movement and can carry out sawing operation to the workpiece that is placed on workbench 17.

As shown in Fig. 1, Fig. 2 and Fig. 4, since the workpiece needs to be sawed on an inclined plane sometimes, the angle between the workbench 17 and the saw blade 166 must be adjusted. When adjusting, first unscrew the operating handle 183 of the control unit 18, and then apply force to the workbench 17. Because the workbench 17 is locked to the adjustment seat 181, the adjustment seat 181 swings with the pivot 182 as the fulcrum, thereby achieving adjustment. The effect of the inclination angle of the workbench 17; when it is adjusted to a predetermined angle, then tighten the operating handle 183 to fix the adjustment seat 181 and the workbench 17.

Although the wire saw machine 10 can adjust the inclination angle of the workbench 17 through the control unit 18 to achieve the function of sawing inclined surfaces, it has the following defects:

1. Because the control unit 18 is located at the bottom of the workbench 17, there is a lack of inconvenient operation and difficult viewing of tilt angle data.

2. After the workbench 17 is tilted, the workpiece placed on it is also tilted accordingly. In this way, it is difficult to control the position of the workpiece during the sawing operation, resulting in a high degree of difficulty in the sawing operation, which is relatively easy to affect the quality of the workpiece and the operation. efficiency.

Contents of the invention

The purpose of the utility model is to provide a wire saw machine with an angle adjustment structure, which is convenient to adjust the angle and inclination, easy to view the inclination angle data, smooth in the sawing operation, and improves the operation efficiency.

The utility model comprises a machine table fixed with a workbench, a power unit fixed on the machine table, a cantilever frame pivotally arranged at the first end of the machine table, a cantilever unit assembled on the cantilever frame body, and a cantilever frame mounted on the power unit. The transmission unit between the cantilever frame, the saw blade unit assembled on the cantilever unit, and the angle adjustment structure; the angle adjustment structure includes a device installed between the machine table and the cantilever frame to make the cantilever frame swing relative to the machine Pivot joint unit, guide frame and control unit; the pivot joint unit includes the first pivot piece locked on the bottom surface of the workbench, the sleeve protruding from the outer end surface of the cantilever frame and the second pivot piece locked on the bottom surface of the workbench; the guide frame It has a connecting block with a circular arc guide groove; the control unit has an operating handle extending through the circular arc guide groove on the connecting block of the guide frame to clamp the connecting block of the guide frame; The coaxial center is pivoted on the machine table to swing relative to the machine table.

in:

An indicating unit is provided between the guide frame and the control unit; the indicating unit includes a scale and a pointer assembly attached to the connecting block panel of the guide frame.

There are two locking blocks on both sides of one end of the machine table; the two ends of the connecting block of the guide frame are connected with the tops of the two legs; On the platform; the control unit operating handle is locked on the cantilever frame through the fixed seat; the fixed seat is provided with two longitudinal perforations through its top and bottom surfaces, a longitudinal screw hole and a transverse screw hole penetrating into its first side; the fixed seat is provided with The bolts passing through the longitudinal perforation and screwed into the cantilever frame body are fixed on the cantilever frame body, and make its side contact with the connecting block of the guide frame; the pointer assembly is locked on the top surface of the fixed seat.

The machine table has a rear panel with horizontal screw holes; the connecting block of the guide frame is bent and extended to a fixed block locked on the cantilever frame body; the operation handle and pointer assembly of the control unit are locked on the rear panel of the machine table.

Since the utility model includes a machine table fixed with a workbench, a power unit, a cantilever frame pivotally arranged at the first end of the machine table, a cantilever unit assembled on the cantilever frame body, a transmission unit, and a saw blade assembled on the cantilever unit Unit and angle adjustment structure; the angle adjustment structure includes a pivot unit, a guide frame and a control unit installed between the machine table and the cantilever frame to make the cantilever frame swing relative to the machine; the pivot unit includes a lock on The first pivot piece on the bottom surface of the workbench, the casing protruding from the outer end surface of the cantilever frame and the second pivot piece locked on the bottom surface of the workbench; the guide frame has a connecting block with an arc guide groove; the control unit has an extended through The arc guide groove screw rod on the connecting block of the guide frame clamps the operating handle of the connecting block of the guide frame; During operation, the operating handle is in a tightened state. With the locking force of the operating handle, the connecting block of the guide frame is clamped, and then the cantilever frame body, the cantilever unit and the saw blade unit are fixed relative to the worktable of the machine table. Place the workpiece on the workbench; start the power unit to drive the cantilever unit to produce up and down linear motion through the transmission unit, and finally make the saw blade synchronously produce up and down linear motion, and then the workpiece can be sawed; to perform sawing operations.

When you want to saw the inclined plane of the workpiece, you only need to turn the operating handle to release the clamping effect on the connecting block of the guide frame; Relative to the swing of the machine table, it drives the cantilever unit and the saw blade unit to swing synchronously, and then produces the effect of adjusting the inclination angle of the saw blade; Regain fixation for miter sawing of workpieces. The operation is more convenient, and because the inclination angle of the saw blade is adjusted, the function of sawing the inclined surface of the workpiece is achieved, so the workbench is fixed and kept horizontal, and the workpiece placed on it is also kept horizontal during the sawing operation. In this way, it is easier to control the position of the workpiece , has the effect and advantage of improving workpiece quality and operating efficiency; not only the angle and tilt adjustment is convenient, and the tilt angle data is easy to view, but also the sawing operation is smooth and the operating efficiency is improved, thereby achieving the purpose of the utility model.

Description of drawings

Fig. 1 is a perspective view showing the structure of a known wire saw machine.

Fig. 2 is a perspective view showing the exploded structure of a known wire saw machine.

Fig. 3 is a schematic sectional view of a partial structure of a known wire saw machine.

Fig. 4 is a perspective view showing a partial structure of a known wire saw machine.

Fig. 5 is a schematic perspective view of the first embodiment of the utility model.

Fig. 6 is a schematic side view of the first embodiment of the utility model.

Fig. 7 is a schematic perspective view of an exploded structure of Embodiment 1 of the present utility model.

Fig. 8 is a schematic longitudinal sectional view of a partial structure of an embodiment of the present invention.

Fig. 9 is a schematic longitudinal sectional view of a partial structure of an embodiment of the present utility model.

Fig. 10 is a schematic longitudinal sectional view of a partial structure of an embodiment of the present utility model (the control unit is in a loose state).

Fig. 11 is a schematic three-dimensional view of a partial structure of an embodiment of the present utility model (the cantilever frame body is in a tilted state).

Fig. 12 is a schematic side view of a partial structure of an embodiment of the utility model (the cantilever frame body is in a tilted state).

Fig. 13 is a schematic perspective view of the exploded structure of Embodiment 2 of the present utility model.

Fig. 14 is a schematic perspective view of the second embodiment of the utility model.

Fig. 15 is a schematic longitudinal sectional view of the partial structure of Embodiment 2 of the present utility model.

Detailed ways

Embodiment one

As shown in Fig. 5 and Fig. 6, the utility model includes a machine base 20, a power unit 30 fixed at the first end of the machine base 20, a cantilever frame body 40 pivotally arranged at the first end of the machine base 20, and a The cantilever unit 50 of the frame body 40 , the transmission unit 60 installed between the power unit 30 and the cantilever frame body 40 , the saw blade unit 70 and the angle adjustment structure assembled on the cantilever unit 50 .

As shown in Fig. 5 and Fig. 7, the machine table 20 has a workbench 21 for placing workpieces, a first support 22, a second support 22, and a second end 212 vertically fixed on the opposite first end 211 and the bottom surface of the second end 212 of the workbench 21 respectively. Support 23, be fixed on the bottom bearing block 24 that is fixed at the bottom of the first support 22 and the same direction as the workbench 21, the number of tripods 25 installed on the bottom surface of the second support 23 and the bottom bearing block 24 and fixed respectively on the first The two side plates 221 of the bracket 22 are respectively provided with two locking blocks 26 with screw holes 261 .

The power unit 30 includes a motor 31 , a motor fixing seat 32 , a number bolt 33 and a number nut 34 fixed on the end surface of the motor 31 .

The motor fixing base 32 includes a horizontal block 321 locked on the top surface of the bottom support block 24 of the machine table 20 and a vertical block 322 that is integrally bent upward from one end of the horizontal block 321 .

The longitudinal block 322 is provided with a through hole 323 for the shaft 310 of the motor 31 to pass through, and a number lock hole 324 located beside the through hole 323 for the bolt 33 to pass through. After the bolt 33 passes through the locking hole 324 , the nut 34 is used to lock the bolt 33 on it, so that the motor 31 can be fixed on the bottom block 24 and located in the first bracket 22 .

The cantilever frame body 40 is a slightly U-shaped inner hollow frame body, which includes a connecting portion 41 outside the first end 211 of the workbench 21 and extends from the top and bottom ends of the connecting portion 41 along the second end 212 and is respectively located at The top frame body 42 and the bottom frame body 43 on the top and bottom of the workbench 21 .

The top plate 411 of the connecting portion 41 is provided with two screw holes 412 , and the inner vertical plate 413 has a pivot hole 414 located above the bottom frame body 43 .

The cantilever unit 50 includes a top cantilever 51 threaded on the top frame body 42 of the cantilever frame body 40, a bottom cantilever arm 52 threaded on the bottom frame body 43 of the cantilever frame body 40, and a first end pivoted on the top cantilever arm 51 and the bottom cantilever arm 52. The connecting arm 53 of 511,521.

The transmission unit 60 includes a driving wheel 61 that is sleeved on the spindle 310 of the motor 31 of the power unit 30, a fixed seat 62 that is locked in the connecting portion 41 of the cantilever frame body 40 and equipped with a bearing 63, and is axially assembled on the bearing 63. The driven wheel 64, the transmission belt 65 connected between the driving wheel 61 and the driven wheel 64, the driving member 66 screwed in the axial eccentric screw hole 641 of the driven wheel 64 and the horizontal length of the driving member 66 are provided. The slot 671 is locked to the driving block 67 of the connecting arm 53 of the cantilever unit 50 .

The saw blade unit 70 includes a top connection seat 71 pivotally connected to the second end 512 of the top cantilever 51 of the cantilever unit 50 by a pivot 73 in a swingable shape, and a bottom fixing seat 72 fixed to the second end 522 of the bottom cantilever 52 of the cantilever unit 50 , the screw rod 74 assembled on the top connecting seat 71 and extending along the top, the spring 75 sleeved on the screw rod 74, the adjustment knob 76 screwed on the screw rod 74 and positioned at the top of the top cantilever 51 and assembled on the top connecting seat 71, The saw blade 77 between the bottom fixed seats 72.

When the adjustment knob 76 is rotated, the top connection seat 71 can be swung, and then the tightness of the saw blade 77 can be adjusted.

As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the angle adjustment structure includes a pivot unit 44 installed between the worktable 21 of the machine table 20 and the cantilever frame body 40, fixed on the first end of the workbench 21 211 of the guide frame 80 , the control unit 90 installed between the cantilever frame body 40 connecting portion 41 top plate 411 and the guide frame 80 , and the indicating unit 100 installed between the guide frame 80 and the control unit 90 .

As shown in FIGS. 7 and 8 , the pivot unit 44 includes a first pivot member 45 that is locked on the bottom surface of the workbench 21 and protrudes from the first end 211 , protruding from the outer end surface of the bottom frame body 43 of the cantilever frame body 40 . The sleeve 46 and the second pivot 47 are locked on the bottom surface of the workbench 21 .

The second pivot member 47 is composed of a locking block 471 and a pivot rod 472 converging from the locking block 471 and extending axially toward the first pivot member 45 and having an annular groove 473 .

The pivot 472 is located at the same axis as the first pivot 45 .

When the cantilever frame body 40 is assembled with the machine platform 20, the cantilever frame body 40 is placed outside the first end 211 of the workbench 21 of the machine platform 20, and the first pivot rod 45 is inserted into the pivot hole of the connecting part 41 of the cantilever frame body 40. 414; the pivot rod 472 is inserted in the sleeve pipe 46, and then locked into the sleeve pipe 46 with the radial bolt 48 and stretched into the ring groove 473 of the pivot rod 472 to stop, so that the cantilever frame body 40 is restricted by the radial bolt 48 and cannot It can move horizontally, but can swing relative to the machine table 20 with the first pivot member 45 and the pivot bar 472 as biaxial coaxial centers.

The guide frame 80 is composed of two legs 81 and a connecting block 82 connected between the tops of the two legs 81 and provided with arc guide grooves 83 passing through the first and second panels 821 and 822 . The two legs 81 are boards with proper height and respectively provided with through holes 811 . The guide frame 80 is installed on the outer sides of the two lock blocks 26 of the machine table 20 with its two legs 81, and is locked by the bolts 84 that pass through the holes 811 of the two legs 81 and are screwed into the screw holes 261 of the two lock blocks 26. Be fixed on the machine platform 20.

The connection block 82 is a circular arc block connected to the tops of the two legs 81 and naturally forming a fan-shaped space between the two legs 81 that can accommodate the connecting portion 41 of the cantilever frame body 40 .

The control unit 90 includes a fixing base 91 and an operating handle 92 .

The fixing base 91 is provided with two longitudinal through holes 911 passing through its top and bottom, a longitudinal screw hole 912 and a transverse screw hole 913 penetrating into its first side 914 . The fixed seat 91 is installed on the top plate 411 of the cantilever frame body 40 connecting portion 41, and is fixed on the top plate 411 by the bolt 94 passing through the longitudinal perforation 911 and screwed into the screw hole 412 of the top plate 411. A side surface 914 is attached to the second panel 822 of the connecting block 82 .

The operating handle 92 is extended through the arc guide groove 83 on the connecting block 82 of the guide frame 80 and locked into the screw 921 in the horizontal screw hole 913 of the fixing base 91, and a pad 93 is provided outside the screw 921 to enhance the clamping effect .

When the operating handle 92 is tightened, it and the fixing seat 91 clamp the connecting block 82 of the guide frame 80 so that the cantilever frame body 40 , the cantilever unit 50 and the saw blade unit 70 are fixed to the machine table 20 . When the operating handle 92 is unscrewed, the clamping is released, and then the inclination angles of the cantilever frame body 40 , the cantilever unit 50 and the saw blade unit 70 can be adjusted relative to the machine table 20 .

The indicating unit 100 includes a scale 101 attached to the first panel 821 of the connecting block 82 and located above the arc guide groove 83 , and a pointer assembly 102 locked on the top surface of the fixing seat 91 .

The pointer assembly 102 is composed of a horizontal bottom plate 1021, a vertical plate 1022 bent upward from one end of the horizontal bottom plate 1021, a horizontal top plate 1023 bent and extended from the top of the vertical plate 1022 in the same direction as the horizontal bottom plate 1021, and a horizontal top plate The open end of 1023 is formed by bending and extending the pointer 1024 downward. The pointer assembly 102 is placed on the top surface of the fixed seat 91 with the horizontal bottom plate 1021, and fixed on the fixed seat 91 by the bolts 103 locked into the horizontal bottom plate 1021 and the longitudinal screw hole 912 of the fixed seat 91, and the pointer on it 1024 just points to scale 101.

During operation, start the motor 31 to drive the driven wheel 64 to rotate, and cause the driving member 66 to rotate eccentrically, and then the driving block 67 drives the cantilever unit 50 to generate an up and down linear motion, and finally the saw blade 77 synchronously generates an up and down linear motion, and then The workpiece can be sawed.

As shown in Figures 5 and 9, when the utility model is in use, the operating handle 92 is in a tightened state, and the screw rod 921 of the operating handle 92 is screwed into the horizontal screw hole 913 by the locking force, so that the screw rod 921 sleeved on the screw rod The pad body 93 on the 921 and the first side 914 of the fixing seat 91 produce a clamping effect on the connecting block 82 of the guide frame 80, and then the cantilever frame body 40, the cantilever unit 50 and the saw blade unit 70 are fixed relative to the workbench 21 of the machine platform 20, Just can place workpiece on the workbench 21, to carry out sawing operation.

When desiring to perform sawing operation on the inclined plane of the workpiece, as shown in Figure 10, it is only necessary to turn the operating handle 92 so that the screw rod 921 is unscrewed out of the transverse screw hole 913 of the fixing seat 91, that is, the clamping of the connecting block 82 of the guide frame 80 is released. Then, as shown in Fig. 8, Fig. 11 and Fig. 12, pull the cantilever frame body 40, so that the cantilever frame body 40 swings relative to the machine table 20 with the first pivot member 45 and the pivot bar 472 as double fulcrums, and at the same time The cantilever unit 50 and the saw blade unit 70 are driven to swing synchronously, thereby producing the effect of adjusting the inclination angle of the saw blade 77 . During the adjustment process, the screw rod 921 is displaced along the circular arc guide groove 83 on the connecting block 82 of the frame body 80; when it is adjusted to an appropriate inclination angle, the operating handle 92 can be tightened to make the cantilever frame body 40, the cantilever unit 60 and the saw blade The unit 70 is secured again for miter sawing of the workpiece.

Embodiment two

As shown in Figure 13, the utility model includes a machine platform 20', a power unit 30', a cantilever frame body 40', a cantilever unit 50', a transmission unit 60', a saw blade unit 70' and an angle adjustment structure.

The machine table 20' has a workbench 27 for placing workpieces, and a third bracket 28 vertically fixed on the bottom surface of the first end 271 of the workbench 27. The workbench 27 is provided with a notch 272 and a longitudinal screw hole 273 at the first end 271 that can be inserted into the connecting portion 49 of the cantilever frame body 40'. The third bracket 28 has a rear panel 281 with a horizontal screw hole 282 .

The cantilever frame body 40' is a slightly U-shaped inner hollow frame body, which includes a connecting portion 49 with a first side 491 outside the first end 271 of the workbench 27 and a connecting portion 49 extending from the top and bottom ends of the connecting portion 49 along the second side. The ends extend and are respectively located on the top frame body and the bottom frame body on the workbench 27 and below.

As shown in Figures 13, 14, and 15, the angle adjustment structure includes a pivot unit 44' installed between the machine table 20' and the cantilever frame body 40', and a guide frame fixed on the first side plate 491 of the connecting part 49. 80 ′, a control unit 90 ′ installed between the rear panel 281 of the third support 28 and the guide frame 80 ′, and an indicating unit 100 ′ installed between the guide frame 80 ′ and the workbench 27 .

The pivot unit 44' includes a first pivot member 45' that is locked on the bottom surface of the workbench 27 and protrudes from the first end 271, a sleeve 46' protruding from the outer end surface of the bottom frame of the cantilever frame body 40' and locked on the The second pivot 47' on the bottom surface of the workbench 27.

The second pivot member 47' is composed of a lock block and a pivot rod extending axially from the lock block toward the first pivot member 45' and having a ring groove.

The pivot is located at the same axis as the first pivot 45'.

The guide frame 80' has a fixed block 85 that is locked to the first side plate 491 of the cantilever frame body 40' connecting portion 49 by bolts 88, and one end of the fixed block 85 is bent outward and extends through the first and second panels 861. , 822 connecting block 86 of arc guide groove 87. The connecting block 86 is pasted on the rear panel 281 of the third support 28 of the machine table 20' with its first panel 861.

The control unit 90' includes an operating handle 95 and a pad 96.

The operating handle 95 is extended through the arc guide groove 87 on the connecting block 86 of the guide frame 80' and locked into the screw 951 in the horizontal screw hole 282 of the rear panel 281; the pad body 96 is sleeved outside the screw 951 to enhance the clamping effect .

The indicating unit 100' includes an arc-shaped fixing base 104 extending outward from the first side plate 491 of the connecting part 49 of the cantilever frame body 40', a scale 105 attached to the surface of the fixing base 104, and locked to the machine table 20' to work. The pointer assembly 106 on the first end 271 of the stage 27.

The pointer assembly 106 is composed of a horizontal bottom plate 1061 and a pointer 1062 bent upward from one end of the horizontal bottom plate 1061 . The pointer 1062 just points to the scale 105, and can cooperate with each other to display the tilt angle data.

When the utility model is in use, the operating handle 95 is in a tightened state, and the screw rod 951 of the operating handle 95 is screwed to the locking force of the horizontal screw hole 282 of the first side plate of the third bracket 28, so that the threaded rod 951 is sleeved on the screw rod. The pad body 96 on the 951 and the rear panel 281 clamp the connecting block 86 of the guide frame 80', and then the cantilever frame body 40', the cantilever unit 50' and the saw blade unit 70' are fixed relative to the machine table 20', so that the Carry out sawing operation to the workpiece that is placed on the workbench 27.

When wanting to perform sawing operation on the inclined plane of the workpiece, it is only necessary to turn the operating handle 95 so that the screw rod 951 is unscrewed out of the transverse screw hole 282, that is, the clamping effect on the connecting block 86 of the guide frame 80' is released; then, the cantilever frame body is turned 40', that is, the inclination angles of the cantilever frame body 40', the cantilever unit 50' and the saw blade unit 70' relative to the machine table 20' can be adjusted. During the adjustment process, the circular arc guide groove 88 uses the screw rod 951 as a fixed pole to move. When it is adjusted to an appropriate inclination angle, and then tighten the operating handle 95, the cantilever frame body 40', the cantilever unit 50' and the saw blade unit 70 can be adjusted. 'Regain fixation for miter sawing of the workpiece.

The utility model has the following effects and advantages:

1. Because the operating handle 92 (95) of the present utility model is arranged on the top side of the workbench 21 (27), the user can directly turn the operating handle 92 (95) when performing angle adjustment operations without squatting or bending over. Waist, so it has the effect and advantage of more convenient operation.

2. Because the indicator unit 100 (100') of the present utility model is arranged on the top side of the workbench 21 (27), and when the angle adjustment operation is performed, the pointer 1024 (1062) can rotate synchronously with the cantilever frame body 40 (40') , and cooperate with the scale table 101 (105) to show the inclination angle data, so it has the effect and the advantage of being comprehensive, convenient to watch and knowing the inclination angle of the saw blade 77.

3. Because the utility model is to adjust the inclination angle of the saw blade 77 to achieve the function of sawing the inclined surface of the workpiece, so the workbench 21 is fixed and kept horizontal, and the workpiece placed on it is also kept horizontal during the sawing operation. It is easy to control the position of the workpiece, and has the effect and advantages of improving the quality of the workpiece and the working efficiency.

Claims (4)

1. A wire saw machine with an angle adjustment structure, which includes a machine table with a worktable, a power unit fixed on the machine table, a cantilever frame pivotally arranged at the first end of the machine table, and a cantilever frame assembled on the cantilever frame body. The cantilever unit, the transmission unit installed between the power unit and the cantilever frame, the saw blade unit and the angle adjustment structure assembled on the cantilever unit; it is characterized in that the workbench is fixed on the machine; the angle adjustment structure It includes a pivot unit, a guide frame and a control unit installed between the machine table and the cantilever frame to make the cantilever frame swing relative to the machine; The sleeve protruding from the outer end surface of the cantilever frame and the second pivot member locked on the bottom surface of the workbench; the guide frame has a connecting block with an arc guide groove; the control unit has an arc guide extending through the connecting block of the guide frame. The slotted screw rod clamps the operating handle of the guide frame and connects the block; the cantilever frame body is pivotally arranged on the machine table with the first and second pivots on the same axis to swing relative to the machine table. 2. The wire saw machine with angle adjustment structure according to claim 1, characterized in that an indicating unit is provided between the guide frame and the control unit; the indicating unit includes a scale attached to the connecting block panel of the guide frame and Composition of pointers. 3. The wire saw machine with an angle adjustment structure according to claim 1 or 2, characterized in that two locking blocks are arranged on both sides of one end of the machine table; the two ends of the connecting block of the guide frame are connected with two legs The top is connected; the guide frame is installed on the outside of the two lock blocks of the machine table with its two legs to be locked on the machine table; the control unit operating handle is locked on the cantilever frame through the fixing seat; , the two longitudinal perforations on the bottom surface, the longitudinal screw holes and the transverse screw holes penetrating into the first side; Attached to the connecting block of the guide frame; the pointer assembly is locked on the top surface of the fixed seat. 4. The wire saw machine with angle adjustment structure according to claim 1 or 2, characterized in that the machine table has a rear panel with a horizontal screw hole; the connecting block of the guide frame is bent and extended and locked on the cantilever The fixed block on the frame body; the operation handle and pointer assembly of the control unit are locked on the rear panel of the machine table.

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