CN205630830U - High frequency longitudinal -torsional composite vibration sponge workstation that punches - Google Patents

Abstract

The utility model specifically relates to a high-frequency longitudinal-torsion composite vibrating sponge drilling workbench. It includes a base, a horizontal moving mechanism, a fixed frame, a vertical moving mechanism, a support frame and a high-frequency longitudinal-torsional compound vibration drilling device, and the high-frequency longitudinal-torsional compound vibration drilling device includes an ultrasonic generator, an ultrasonic transducer, at least one stage transformer A rod and a tubular cutter, the tubular cutter includes a connecting head connected to the horn, a pipe body containing a cavity and a cutting edge, one end of the pipe body is threadedly connected to the connecting head, and the other end is provided with The cutting edge and the pipe body are provided with a longitudinal-torsional composite vibration conversion structure. The technical solution provided by the utility model easily punches holes on the sponge through high-frequency longitudinal and torsional compound vibration. The workpiece to be processed can move horizontally through the horizontal moving mechanism. The punching device can move up and down accurately through the vertical moving mechanism. According to the requirements, the precise automatic control drilling is carried out at the specific position of the workpiece to be processed.

Description

A high-frequency longitudinal-torsion composite vibrating sponge drilling workbench

technical field

The utility model belongs to transfer printing roller processing equipment, in particular to a high-frequency longitudinal torsion compound vibration sponge punching workbench.

Background technique

The transfer roller of a printer or copier generally includes a metal mandrel and an elastomer layer sleeved outside the metal mandrel. The elastomer layer is usually the above-mentioned elastic material. In order to set the inner mandrel, holes need to be opened on the elastic material. . The transfer roller is the core component of a printer or copier, and has very high requirements for dimensional accuracy and flatness of shape.

At present, the following two methods can be considered for drilling holes on the sponge: one adopts the tool drilling process, such as the above-mentioned technical solution disclosed in the Chinese patent CN201856270U, but under the action of the rotating tool, it will be subjected to horizontal and torsional forces in the axial direction, resulting in Multi-directional deformation, in order to ensure the roundness, size and axial level of the processed hole, it must be realized by adjusting the force at any time through manual operation. Even so, there is a high defective rate, so the processing cost is high and the efficiency is low. The second is to use the characteristics of the foam sponge itself that is easy to melt when heated, and use electric heating wire or laser to drill holes. However, thermal cutting will cause damage to the surface of the processed material, which is difficult to control, low in processing efficiency, and a large amount of harmful gases will be generated during the processing. polluted environment.

And above-mentioned can't realize automatic operation, labor cost is too high, and production efficiency is also low.

Contents of the invention

The utility model provides a high-frequency longitudinal-torsion composite vibrating sponge punching workbench, which is used to solve the problems of low processing efficiency, low degree of automation and low product precision of the elastic body layer of the current transfer roller.

In order to solve the above-mentioned technical problems, the technical solution of the utility model is: the high-frequency longitudinal-torsion compound vibration sponge perforating workbench includes a base, a horizontal moving mechanism arranged on the base, a fixing frame arranged on the horizontal moving mechanism, a vertical movement mechanism arranged on the base, a support frame arranged on the vertical movement mechanism, and a high-frequency longitudinal-torsional compound vibration drilling device arranged on the support frame and above the fixed frame, the The high-frequency longitudinal-torsional compound vibration drilling device includes an ultrasonic generator, an ultrasonic transducer connected to the ultrasonic generator through a wire, at least one level of horn connected to the ultrasonic transducer, and a horn connected to the horn. tubular cutters.

The tubular tool is connected to the connected horn by thread, the tubular tool includes a connecting head connected to the horn, a tube body containing a cavity and a cutting edge, one end of the tube body is connected to the connecting head Through threaded connection, the cutting edge is provided at the other end, and a circular arc transition structure is provided at the joint between the pipe body and the connecting head.

The pipe body is provided with a longitudinal-torsion composite vibration conversion structure, the longitudinal-torsion composite vibration conversion structure is a spiral chute structure, a spiral inclined hole structure, an array hole structure along a helical path or a helical structure, and the longitudinal-torsion composite vibration conversion structure When it is a spiral chute structure, the helix angle of the centerline of the spiral chute is between 3-87 degrees; when the longitudinal-torsional compound vibration conversion structure is a spiral slanted hole structure, the helix angle of the centerline of the helical slant hole is 3-87 degrees degrees; when the longitudinal-torsional compound vibration conversion structure is a helical path array hole structure, the helix angle of the helical path is between 3-87 degrees; when the longitudinal-torsional compound vibration conversion structure is a helical structure, the helix of the helical structure The angle is between 3-87 degrees;

The workpiece to be processed is placed on the fixed frame, and can be moved in the horizontal direction with the horizontal moving mechanism as required. The high-frequency longitudinal-torsional compound vibration drilling device moves down under the drive of the vertical moving mechanism, and passes through the hole with the tubular tool. Describe the workpiece to be processed and complete the drilling operation.

Further, the fixed frame includes a base plate carrying the workpiece to be processed, an outer frame surrounding the base plate and matching the shape of the workpiece to be processed, and feet arranged under the base plate and fixed on the horizontal movement mechanism, A space is provided on the bottom plate to allow the tubular cutter to pass through.

Further, the ultrasonic transducer generates axial vibration with a vibration frequency of 10-120 kHz.

Further, the arc transition structure is formed by spot welding, and the radius of the arc is 1mm-20mm.

Further, the cutting edge is set on the pipe body by welding.

Further, the material of the pipe body is TC4 titanium alloy or 316L stainless steel, and the material of the cutting edge is TC4 titanium alloy or 316L stainless steel or high-speed steel or hard alloy.

Further, the pipe wall thickness of the pipe body is 0.5-3mm.

Further, the overall edge of the cutting edge is rounded truncated, with a slope of 1:5-1:100.

Further, the end of the cutting edge has crescent-shaped notches evenly distributed around the circumference, each crescent-shaped notch has a sharp edge, and a sharp sharp corner is formed between two adjacent crescent-shaped notches.

Further, the outer frame is provided with inner flanging for clamping the workpiece to be processed.

Further, the bottom plate is 1-5cm away from the horizontal movement mechanism.

Further, the fixing frame is fixed on the horizontal moving mechanism shown by bolts.

Further, a passage is provided in the connecting head, and one end of the passage communicates with an external air compressor, and the other end communicates with the cavity of the pipe body.

Further, the horizontal movement mechanism includes a longitudinal movement platform arranged on the base and a transverse movement platform arranged on the longitudinal movement platform; the vertical movement mechanism includes a column arranged on the shown base, a The driving motor on the top and the screw rod connected with the driving motor through a shaft coupling, and the support frame is arranged on the screw rod through a nut pair.

Further, the vertical movement mechanism also includes a vertical fine adjustment mechanism, the vertical fine adjustment mechanism is arranged on the screw rod through a nut pair, and the support frame is connected with the vertical fine adjustment mechanism.

The technical solution provided by the utility model easily punches holes on the sponge through high-frequency longitudinal-torsional compound vibration. The punching device can move up and down accurately through the vertical moving mechanism, and can accurately and automatically control the punching at a specific position of the workpiece to be processed through the fixed frame, and the automation of the transfer roller with high precision requirements Processing is significant.

Description of drawings

Fig. 1 is the structural schematic diagram of a specific embodiment of the high-frequency longitudinal-torsional composite vibration sponge perforating workbench described in the present invention;

Fig. 2 is a cross-sectional view of a specific embodiment of the fixing frame described in the present invention;

Fig. 3 is the top view of Fig. 2;

Fig. 4 is a sectional view of the punched workpiece shown in Fig. 1;

Figure 5 is a top view of Figure 4;

Fig. 6 is a schematic structural view of a specific embodiment of the tubular cutter described in the present invention;

Fig. 7 is a partially enlarged cross-sectional view of the tubular cutter;

Fig. 8 is a partial view of the spiral chute structure of the longitudinal-torsional composite vibration conversion structure in the pipe body;

Fig. 9 is a partial view of the helical inclined hole structure of the longitudinal-torsional composite vibration conversion structure in the pipe body;

Fig. 10 is a partial view of the array hole structure along the helical path of the longitudinal-torsional composite vibration conversion structure in the pipe body;

Fig. 11 is a partial view of the helical structure of the longitudinal-torsional composite vibration conversion structure in the pipe body;

As shown in the figure:

10-workpiece to be processed, 20-through hole;

1- base, 3- fixed frame, 5- support frame;

11-ultrasonic generator, 12-wire, 13-ultrasonic transducer, 14-horn, 15-tubular cutter

21-longitudinal movement platform, 22-horizontal movement platform;

31-bottom plate, 32-outer frame, 33-foot, 34-inner flange;

41-column, 42-drive motor, 43-coupling, 44-screw, 45-nut pair, 46-vertical fine-tuning mechanism;

151-connector, 152-tube body, 153-blade, 154-longitudinal-torsion compound vibration conversion structure, 155-arc transition structure, 156-cavity, 157-channel, 158-crescent notch, 159-sharp point horn;

1541-spiral chute structure, 1542-spiral slant hole structure, 1543-array hole structure along the helical path, 1544-helix structure.

detailed description

The following is a further detailed description of the high-frequency longitudinal-torsional composite vibrating sponge drilling workbench and its application in conjunction with the accompanying drawings and specific examples. According to the following description and claims, the advantages and features of the utility model will be more clear. It should be noted that the drawings are all in very simplified form and use imprecise ratios, which are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present utility model.

The high-frequency vertical-torsion compound vibration sponge perforating workbench of the utility model includes a base 1, a horizontal moving mechanism arranged on the base 1, a fixing frame 3 arranged on the horizontal moving mechanism, and a The vertical moving mechanism, the supporting frame 5 arranged on the vertical moving mechanism, and the high-frequency longitudinal-torsional compound vibration drilling device arranged on the supporting frame 5 and above the fixed frame 3 . The workpiece 10 to be processed, that is, the sponge block, is clamped in the fixed frame 3 .

As shown in Figure 1, the horizontal movement mechanism includes a longitudinal movement platform 21 and a transverse movement platform 22, the longitudinal movement platform 21 driven by a ball screw is arranged on the base 1 through a bolt connection, and the transverse movement platform 22 driven by a ball screw 22 is set on the longitudinal movement platform 21 through bolt connection, and the fixed frame 3 is set on the transverse movement platform 22 through bolt connection, and through the cooperation and drive of the longitudinal movement platform 21 and the transverse movement platform 22, the fixed frame 3 drives the workpiece 10 to be processed to realize the transverse movement. Arbitrary trajectory movement in the composite two-dimensional plane of the longitudinal direction.

Continuing to refer to FIG. 1, the vertical movement mechanism includes a column 41 arranged on the shown base 1, a driving motor 42 arranged on the column 41, a screw rod 44 connected to the driving motor 42 through a coupling 43 and a nut The auxiliary 45 is arranged on the vertical fine adjustment mechanism 45 on the screw rod 44 , and the support frame 5 is arranged on the screw rod 44 of the vertical fine adjustment mechanism 46 .

Continuing to refer to Fig. 1, described high-frequency longitudinal-torsional compound vibration drilling device comprises ultrasonic generator 11, the ultrasonic transducer 13 that links to each other with described ultrasonic generator 11 by wire 12, the transformer that is screwed with described ultrasonic transducer 13 The horn 14 and the tubular cutter 15 connected with the horn 14 through threads.

As shown in Figure 2, the fixed frame 3 includes a base plate 31 carrying the workpiece 10 to be processed, an outer frame 32 surrounding the base plate 31 and a foot 33 arranged under the base plate 10, the base plate 31 is at a distance from the base plate 31. The horizontal moving mechanism is 3 cm higher, and the foot 33 is fixed on the lateral movement platform 22 by bolts, and the top of the outer frame 31 is provided with an inner flange 34, in which the workpiece 10 to be processed can be clamped.

As shown in Figures 1 and 3, the size of the workpiece 10 to be processed is a sponge body with a thickness of 340mm, a length of 1000mm, and a width of 600mm, on which a plurality of through holes 20 arranged in a matrix are sequentially processed, with a diameter of 5mm and a length of 340mm. As shown in Figure 4, the base plate 31 is in the shape of a grid, and the part through which the tubular tool 45 passes, that is, the position of the through hole 20 is vacated, and the shape of the outer frame 32 is consistent with that of the workpiece 10 to be processed. The shape is matched, and the workpiece 10 to be processed is clamped therein, positioned and fixed.

As shown in FIG. 6 , the tubular cutter 15 includes a cylindrical connector 151 connected to the horn 14 , a tubular body 152 containing a cavity 156 , and a cutting edge 153 .

As shown in Figure 7, the longitudinal-torsional compound vibration conversion structure 154 provided on the pipe body 152 is a spiral inclined hole structure, and the helix angle of the center line of the spiral inclined hole is 45 degrees; the longitudinal-torsional compound vibration conversion structure 154 converts the ultrasonic Part of the longitudinal vibration generated by the transducer is converted into torsional vibration in the circumferential direction, driving the cutting edge 153 at the front end of the tube body 152 to perform longitudinal and torsional composite high-frequency vibration, the amplitude of the longitudinal vibration is 76 microns, and the amplitude of the torsional vibration is 20 microns;

Continuing to refer to FIG. 6 , a channel 157 is provided in the connector 151 , one end of the channel 157 is externally connected to an air compressor (not shown), and the other end communicates with the cavity 156 .

Continue referring to Fig. 6, one end of the pipe body 152 is threadedly connected to the connector 151, and the other end is welded to the cutting edge 153, the pipe wall of the pipe body 152 is 1 mm, and the material of the pipe body 152 is TC4 titanium alloy , the material of the cutting edge 153 is high speed steel.

Continuing to refer to FIG. 6 , the connection between the pipe body 152 and the connector 151 forms a circular arc transition structure 155 by spot welding, the radius of the circular arc is 1 mm-20 mm, and the cutting edge 153 is rounded as a whole, with a slope of 1 :10.

As shown in Figure 7, there are 8 crescent-shaped notches 158 evenly distributed on the circumference of the cutting edge 153, each crescent-shaped notch 158 has a sharp edge, and the radius of the arc of the crescent-shaped notch 158 is 2mm. There is a sharp corner 159 in the middle of the crescent-shaped notch 158 .

Briefly describe the forming process of the elastomer layer of the transfer roller: the length of the elastomer layer is 340 mm, the inner diameter is 5 mm, and the outer diameter is 12 mm.

1) Set the workpiece 10 to be processed in the fixed frame 3. The workpiece 10 to be processed is a cuboid sponge body with a thickness of 340mm, a length of 1000mm, and a width of 600mm; the horizontal movement mechanism is automatically controlled to make the pre-punched position coincide with the desired For the alignment of the tubular tool 15, select the tube body 152 with a length of 350 mm, an outer diameter of 15 mm, and an inner diameter of 13 mm, and control the vertical movement mechanism so that the tubular tool 15 moves down to approach the workpiece 10 to be processed, so that the sharp corner 159 is inserted into the workpiece to be processed. Workpiece 10, then continue to move down through the workpiece 10 to be processed, complete the punching, then control the vertical movement mechanism to move up, the tubular cutter 15 is extracted from the workpiece 10 to be processed, and compressed air is passed into the waste material in the cavity 156 Exclude, then the horizontal moving mechanism moves to move the next pre-punching position of the workpiece 10 to be processed to the designated position, repeat the above process, and complete the processing of all the through holes 20 on the workpiece 10 to be processed.

2) Fix the cylindrical green body, and then process through holes on it, select the pipe body 152 with a length of 350mm, an outer diameter of 8mm, and an inner diameter of 6mm;

3) Finally, special equipment is used to finely grind the outer contour to obtain the final product.

Claims (9)

1. A high-frequency vertical-torsion compound vibration sponge drilling workbench, is characterized in that, comprises base, the horizontal moving mechanism that is arranged on the described base, the fixed mount that is arranged on the horizontal moving mechanism, the vertical that is arranged on the described base The vertical movement mechanism, the support frame arranged on the vertical movement mechanism, and the high-frequency longitudinal-torsion compound vibration drilling device arranged on the support frame and above the fixed frame, the high-frequency longitudinal-torsion compound vibration drilling device includes An ultrasonic generator, an ultrasonic transducer connected to the ultrasonic generator through wires, at least one level of horn connected to the ultrasonic transducer, and a tubular cutter connected to the horn; the ultrasonic transducer The transducer produces axial vibration with a vibration frequency of 10-120kHz. 2. A high-frequency longitudinal-torsion compound vibration sponge drilling workbench according to claim 1, characterized in that, the fixed frame includes a bottom plate carrying the workpiece to be processed, an outer shell that surrounds the bottom plate and matches the shape of the workpiece to be processed. The frame and the foot are arranged under the bottom plate and fixed on the horizontal movement mechanism, and the bottom plate is provided with a gap allowing the tubular cutter to pass through. 3. A high-frequency longitudinal-torsional compound vibration sponge drilling workbench according to claim 1, wherein the tubular cutter comprises a connector connected to the horn, a tubular body containing a cavity, and a blade mouth, the bottom end of the pipe body is connected with the connector, and the other end is provided with the cutting edge. 4. A kind of high-frequency vertical-torsion compound vibration sponge drilling workbench according to claim 3, characterized in that, the end of the cutting edge has crescent-shaped notches uniformly distributed on the circumference, and each crescent-shaped notch has a sharp edge. There is a sharp point in the middle of two adjacent crescent-shaped gaps. 5 . The high-frequency longitudinal-torsion compound vibration sponge drilling workbench according to claim 3 , wherein a longitudinal-torsion compound vibration conversion structure is arranged on the pipe body. 6. According to claim 5, a kind of high-frequency longitudinal-torsion composite vibration sponge punching workbench is characterized in that, the longitudinal-torsion composite vibration conversion structure provided on the pipe body is a spiral inclined groove structure, a spiral inclined hole structure, Line path array hole structure or helical structure. 7. According to claim 3, a high-frequency longitudinal-torsion composite vibrating sponge punching workbench is characterized in that a channel is provided in the connecting head, one end of the channel communicates with an external air compressor, and the other end communicates with the tube The cavities of the body are connected. 8. According to claim 1, a high-frequency longitudinal-torsion compound vibration sponge drilling workbench is characterized in that the horizontal movement mechanism includes a longitudinal movement platform arranged on the base and a transverse movement arrangement arranged on the longitudinal movement platform. platform; the vertical movement mechanism includes a column arranged on the shown base, a drive motor arranged on the column and a screw rod connected to the drive motor through a coupling, and the support frame is arranged on the screw rod through a nut pair . 9. According to claim 8, a high-frequency longitudinal-torsion compound vibration sponge drilling workbench is characterized in that, the vertical movement mechanism also includes a vertical fine-tuning mechanism, and the vertical fine-tuning mechanism is arranged on the screw rod through a nut pair. On, the support frame is connected with the vertical fine-tuning mechanism.