CN217492788U - Ultrasonic machining device for deep inner hole - Google Patents
Ultrasonic machining device for deep inner hole Download PDFInfo
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- CN217492788U CN217492788U CN202221522219.4U CN202221522219U CN217492788U CN 217492788 U CN217492788 U CN 217492788U CN 202221522219 U CN202221522219 U CN 202221522219U CN 217492788 U CN217492788 U CN 217492788U
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Abstract
The utility model relates to an ultrasonic machining device for dark hole belongs to metal surfacing technical field. The device comprises a balancing weight, a boring bar, a tool rest connecting block, a disc spring, a fixing rod and a tool connecting block, wherein one end of the boring bar is provided with the balancing weight, the fixing rod is arranged inside the other end of the boring bar, the fixing rod is externally connected with the tool connecting block, the disc spring is arranged on the boring bar, and the tool rest connecting block is arranged on one side, close to the balancing weight, of the boring bar. The utility model discloses simple structure, the work piece can be offset through the dish spring during deep hole adds man-hour to the reaction force of ultrasonic machining cutter, reduces the deformation of boring bar, simultaneously at boring bar rear end installation counter weight device, avoids the processing unstability because of boring bar overlength leads to, guarantees the processing effect, improves machining efficiency.
Description
Technical Field
The utility model relates to an ultrasonic machining device for dark hole belongs to metal surfacing technical field.
Background
In recent years, the application of ultrasonic technology to strengthen metal surfaces or to eliminate residual stress on the surfaces of metal workpieces has been developed. The metal surface is subjected to ultrasonic processing to obtain a low roughness value and high processing precision, and the method has the characteristics of high efficiency, low cost and no pollution; the residual stress on the surface of the metal workpiece is eliminated, and the overall performance of the metal workpiece can be effectively improved. The existing equipment for strengthening processing or eliminating residual stress by utilizing an ultrasonic technology mainly comprises an ultrasonic processing cutter and stress eliminating equipment, wherein the main components of the ultrasonic processing cutter and the stress eliminating equipment comprise an energy converter, an amplitude transformer and a cutter head (cutter head), the ultrasonic cutter can be directly arranged on a main shaft or a cutter rest of a corresponding machine tool or arranged on an ultrasonic processing device, and the ultrasonic processing or stress eliminating on the surface of a metal workpiece is completed under the driving of the ultrasonic processing device of the machine tool.
When deep hole processing is performed by using an ultrasonic technology, an ultrasonic processing tool is generally connected to the front end of a boring bar, the boring bar is connected to a tool rest connecting block, and the tool rest connecting block is connected to a tool rest of a machine tool. When needing to process dark hole (the degree of depth is not more than 600mm), need longer boring bar, because the boring bar stretches out longer when processing dark hole, and the work piece has reaction force to the ultrasonic machining cutter for the rigidity of boring bar can't satisfy the ultrasonic machining requirement to dark hole workpiece surface, and the processing effect is unstable, and is inefficient, for this reason, proposes the utility model discloses.
Disclosure of Invention
The utility model provides a not enough to prior art, the utility model provides an ultrasonic machining device for dark hole, simple structure, dark hole man-hour can offset the work piece to the reaction force of ultrasonic machining cutter, reduces the deformation of boring bar, installs counter weight device at boring bar rear end simultaneously, avoids the processing unstability because of boring bar overlength leads to, guarantees the processing effect, improves machining efficiency.
The technical scheme of the utility model as follows:
an ultrasonic processing device for deep inner holes comprises a balancing weight, a boring bar, a tool rest connecting block, a disc spring, a fixed bar and a tool connecting block, wherein,
one end of the boring rod is provided with a balancing weight, a fixing rod is arranged inside the other end of the boring rod, the fixing rod is externally connected with a cutter connecting block, a disc spring is arranged on the boring rod, and a cutter rest connecting block is arranged on one side, close to the balancing weight, of the boring rod.
Preferably, the fixing rod is supported inside the boring rod through a supporting shaft, supporting blocks are arranged on the fixing rod on two sides of the supporting shaft, the supporting blocks are of a stepped shaft structure, the supporting blocks and the boring rod are in interference fit, the supporting blocks penetrate through the boring rod and then contact with the fixing rod, and the coaxiality of the fixing rod and the boring rod is adjusted by adjusting 2 supporting blocks.
Preferably, the dead lever is the hollow tube, and inside through hole makes things convenient for the cable threading to use, and dead lever one end is provided with the incision, and incision downside circular arc department is provided with the arc cushion, provides supporting platform for the dish spring through the cushion.
Preferably, be provided with the plane breach on the boring bar, be provided with the mounting hole in the plane breach, be provided with the dish spring fixed block in the mounting hole, be provided with the blind hole in the dish spring fixed block, be provided with dish spring and dish spring briquetting in the blind hole, be provided with the elasticity regulation pole that runs through dish spring and dish spring briquetting in the dish spring fixed block, elasticity regulation pole and dish spring briquetting threaded connection, elasticity regulation pole one end contact arc cushion, the other end is provided with a word notch, adjust the pole through the rotatory elasticity of a word notch, and then the extrusion degree of adjustment dish spring briquetting to dish spring, adjust the pretightning force size of applying to arc cushion and dead lever, offset the reaction force that the work piece produced ultrasonic machining cutter.
Preferably, the boring bar on the lower side of the arc-shaped cushion block is provided with a set screw in a threaded manner, the set screw is coaxial with the mounting hole, and the fixing rod is further supported by the set screw.
Preferably, the outer side of the fixing rod is provided with a threaded connecting hole, and the fixing rod is connected with the cutter connecting block through threads.
Preferably, a mounting block is arranged on one side of the tool rest connecting block, the tool rest connecting block is mounted on a machine tool through the mounting block, a sleeving hole is formed in the tool rest connecting block, a boring rod is sleeved in the sleeving hole, tool rest grooves are formed in two sides of the sleeving hole, the tool rest grooves in one side penetrate through the whole tool rest connecting block, a clearance hole and a threaded hole are formed in the upper side and the lower side of the tool rest connecting block of the penetrating part respectively, and the tool rest connecting block is fixed on the boring rod through fastening bolts in the clearance hole.
Preferably, the balancing weight is of a cylindrical structure and is connected to the boring rod through threads. The balancing weight has different specifications, and the main difference is that the weight of balancing weight is different, can adjust according to the hole depth of processing, mainly guarantees that knife rest connecting block front and back structure weight is unanimous, guarantees the stability of processing.
The beneficial effects of the utility model reside in that:
the utility model provides an ultrasonic machining device for dark hole, simple structure, dark hole add man-hour through the dish spring can offset the reaction force of work piece to the ultrasonic machining cutter, reduce the deformation of boring bar, at boring bar rear end installation counter weight device simultaneously, avoid the processing unstability that leads to because of the boring bar overlength, guarantee the processing effect, improve machining efficiency.
Drawings
FIG. 1 is an external view of the present invention;
fig. 2 is a front sectional view of the present invention;
FIG. 3 is a sectional view of the support block of the present invention;
fig. 4 is a sectional view of the support shaft of the present invention;
fig. 5 is a sectional view showing the installation of the disc spring of the present invention;
FIG. 6 is a view showing the outer shape of the boring bar of the present invention;
FIG. 7 is a view showing the appearance of the connecting block of the tool holder according to the present invention;
fig. 8 is an outline view of the disc spring fixing block of the present invention;
FIG. 9 is a view showing the appearance of the spring force adjusting lever of the present invention;
FIG. 10 is a schematic view of the fixing rod of the present invention;
FIG. 11 is a view of the arc cushion block of the present invention;
wherein: 1-counterweight block, 2-boring bar, 3-tool rest connecting block, 4-disc spring fixing block, 5-cutter connecting block, 6-fixing bolt, 7-elastic force adjusting bar, 8-fixing bar, 9-disc spring, 10-fastening bolt, 11-arc cushion block, 12-supporting shaft, 13-cushion block fixing bolt, 14-disc spring pressing block, 15-supporting block, 16-tool rest bolt;
101-threads;
201-plane notch, 202-threaded hole, 203-supporting block mounting hole, 204-through hole, 205-fixed threaded hole; 206-mounting holes;
301-clearance hole, 302-threaded hole, 303-tool holder groove, 304-mounting block, 305-sleeving hole;
401-thread clearance hole, 402-blind hole, 403-adjusting rod through hole;
501-connecting block external threads, and 502-ultrasonic cutter mounting holes;
701-a straight notch, 702-an arc structure and 703-an external thread of an adjusting rod;
801-notch, 802-threaded hole, 803-shaft notch, 804-fixed shaft through hole and 805-threaded connecting hole;
1101-through holes, 1102-supporting surfaces, 1103-cushion block threaded holes; 1501-supporting block mounting surface.
Detailed Description
The present invention will be further described, but not limited to, by the following examples in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 11, the present embodiment provides an ultrasonic machining apparatus for deep inner holes, comprising a weight block 1, a boring bar 2, a tool holder connecting block 3, a disc spring 9, a fixing bar 8 and a tool connecting block 5, wherein,
one end of the boring rod 2 is provided with a balancing weight 1, the other end is internally provided with a fixing rod 8, the fixing rod 8 is externally connected with a cutter connecting block 5, a disc spring 9 is arranged on the boring rod 2, and one side of the boring rod 2 close to the balancing weight 1 is provided with a cutter rest connecting block 3.
The fixing rod 8 is supported inside the boring rod 2 through the supporting shaft 12, a through hole 204 for mounting the supporting shaft is formed in the boring rod 2, the supporting blocks 15 are mounted on the fixing rods 8 on two sides of the supporting shaft 12 through the supporting block mounting holes 203, the supporting blocks 15 are of a stepped shaft structure, the supporting blocks 15 are in interference fit with the boring rod 2, the supporting blocks 15 penetrate through the boring rod 2 and then contact with the fixing rod 8, and the coaxiality of the fixing rods and the boring rod is adjusted by adjusting 2 supporting blocks.
The boring bar 2 is provided with a plane notch 201, the plane notch 201 is internally provided with a mounting hole 206, the mounting hole 206 is internally provided with a disc spring fixing block 4, the disc spring fixing block 4 is internally provided with a blind hole 402, the blind hole 402 is internally provided with a disc spring 9 and a disc spring pressing block 14, the disc spring fixing block 4 is internally provided with an elastic adjusting rod 7 penetrating through the disc spring and the disc spring pressing block through an adjusting rod through hole 403, the adjusting rod through hole 403 is in clearance fit with the elastic adjusting rod 7, the clearance is not less than 0.5mm, the elastic adjusting rod 7 is in a cylindrical structure, an external thread 703 of the adjusting rod is arranged on the circumference, the elastic adjusting rod is in threaded connection with the disc spring pressing block, one end of the elastic adjusting rod is contacted with the arc-shaped cushion block, the other end of the elastic adjusting rod is provided with a straight notch 701, the elastic adjusting rod is rotated through the straight notch, and then the extrusion degree of the disc spring pressing block to the disc spring is adjusted, the pre-tightening force applied to the arc-shaped cushion block and the fixed rod is adjusted, and the reaction force of the workpiece on the ultrasonic machining cutter is counteracted. The inner end surface of the elastic force adjusting rod 7 is an arc-shaped structure 702.
The boring bar 2 on the lower side of the arc-shaped cushion block 11 is provided with a set screw 10 through a threaded hole 202, the set screw 10 is a hexagon socket high-strength 12.9-level set screw, the set screw is coaxial with the mounting hole, and the fixing bar is further supported through the set screw.
A threaded connecting hole 805 is formed in the outer side of the fixed rod 8, and a connecting block external thread 501 is formed in the cutter connecting block 5 and used for connecting the threaded connecting hole 805; a through hole is formed in the center of the cutter connecting block 5 and used for ultrasonic machining of cable threading of the cutter; an ultrasonic cutter mounting hole 502 is formed in the front end face of the cutter connecting block 5, and the position and the size of the ultrasonic cutter are adjusted according to the processing use.
The boring bar 2 is of a cylindrical structure, the length of the boring bar is adjusted according to the size of a machined inner hole, the boring bar is in clearance fit with the sleeving hole 305, and the clearance is not more than 0.05 mm; a through hole is formed in the boring bar and used for threading a cable; the rear end of the boring bar is provided with a threaded hole for mounting the balancing weight 1, a plurality of fixing threaded holes 205 are uniformly distributed on the periphery of a boring bar mounting hole 206, and the disc spring fixing block 4 is mounted on the boring bar 2 through the uniformly distributed fixing threaded holes 205 by the fixing bolts 6.
The supporting shaft 12 is an internal thread cylindrical pin, is in interference fit with a through hole 204 formed in the boring bar 2, has interference magnitude of not less than 0.01mm, penetrates through a fixed shaft through hole 804 formed in the fixing bar 8, is in clearance fit with the fixed shaft through hole 804, has a clearance of not more than 0.01mm, and plays a role in supporting the fixing bar 8.
The disc spring pressing block 14 is of a cylindrical structure, and a threaded hole is formed in the center of the disc spring pressing block;
the disc spring fixing block 4 is uniformly provided with thread clearance holes 401 along the circumference, and is in clearance fit with the fixing thread holes 205, and the clearance is not less than 0.5 mm.
The working process of the embodiment is as follows:
when the ultrasonic metal surface machining tool works, the ultrasonic metal surface machining tool is arranged on the tool connecting block, and the supporting block is adjusted to enable the fixed rod and the boring rod to be coaxial; the elastic adjusting rod is screwed to compress the disc spring, pretightening force is applied to the fixing rod, and a set screw opposite to the disc spring is adjusted to play a role in supporting the fixing rod; according to the depth of the processed inner hole, the position of the tool rest connecting block is adjusted, so that the extending length of the boring rod meets the processing requirement; and a proper balancing weight is selected to keep the weight of the front and back structures of the tool rest connecting block consistent.
The ultrasonic metal surface machining tool and the boring bar are extended into the workpiece, so that the outer edge of the machining tool head of the tool is tightly attached to the inner wall of the hole, the tool rest connecting block is arranged on a tool rest of a machine tool, and the machining of an inner hole is realized through the feeding of the machine tool;
when the device is processed, the pretightening force applied to the fixed rod by the compression of the disc spring can offset the reaction force of the workpiece on the ultrasonic cutter, so that the stress of the whole device is balanced, the deformation of the boring rod and the fixed rod can be reduced, and the processing is stable.
Example 2:
the utility model provides an ultrasonic machining device for dark hole, the structure is as described in embodiment 1, the difference lies in, 3 one side of knife rest connecting block are provided with installation piece 304, knife rest connecting block 3 is installed in the lathe through installation piece 304, be provided with suit hole 305 in the knife rest connecting block 3, the downthehole cover of suit 305 is equipped with boring bar 2, suit hole 305 both sides are provided with knife rest groove 303, the knife rest groove of one side runs through whole knife rest connecting block, the knife rest connecting block upside and the downside of run-through part are provided with clearance hole 301 and screw hole 302 respectively, be fixed in the boring bar through fastening bolt in the clearance hole with the knife rest connecting block.
The balancing weight 1 is a cylindrical structure, and the balancing weight 1 is connected to the boring bar 2 through threads. Balancing weight 1 has different specifications, and the main difference is that the weight of balancing weight is different, can adjust according to the hole depth of processing, mainly guarantees that knife rest connecting block front and back structure weight is unanimous, guarantees the stability of processing.
Claims (8)
1. An ultrasonic processing device for deep inner holes is characterized by comprising a balancing weight, a boring bar, a tool rest connecting block, a disc spring, a fixed rod and a tool connecting block, wherein,
one end of the boring rod is provided with a balancing weight, a fixing rod is arranged inside the other end of the boring rod, the fixing rod is externally connected with a cutter connecting block, a disc spring is arranged on the boring rod, and a cutter rest connecting block is arranged on one side, close to the balancing weight, of the boring rod.
2. The ultrasonic machining device for the deep inner hole of claim 1, wherein the fixing rod is supported inside the boring bar through a supporting shaft, supporting blocks are arranged on the fixing rod at two sides of the supporting shaft, the supporting blocks are of a stepped shaft structure, the supporting blocks are in interference fit with the boring bar, and the supporting blocks contact the fixing rod after penetrating through the boring bar.
3. The ultrasonic machining device for the deep inner hole as claimed in claim 2, wherein the fixing rod is a hollow tube, one end of the fixing rod is provided with a notch, and an arc-shaped cushion block is arranged at an arc of the lower side of the notch.
4. The ultrasonic machining device for the deep inner hole as claimed in claim 3, wherein a plane notch is formed in the boring bar, a mounting hole is formed in the plane notch, a disc spring fixing block is arranged in the mounting hole, a blind hole is formed in the disc spring fixing block, a disc spring and a disc spring pressing block are arranged in the blind hole, an elastic force adjusting rod penetrating through the disc spring and the disc spring pressing block is arranged in the disc spring fixing block, the elastic force adjusting rod is in threaded connection with the disc spring pressing block, one end of the elastic force adjusting rod contacts the arc-shaped cushion block, and the other end of the elastic force adjusting rod is provided with a straight notch.
5. The ultrasonic deep bore machining apparatus according to claim 4, wherein the boring bar on the lower side of the arc-shaped spacer is threaded with a set screw, and the set screw is coaxial with the mounting hole.
6. The ultrasonic machining device for the deep inner hole as claimed in claim 1, wherein a screw coupling hole is provided at an outer side of the fixing rod, and the fixing rod is coupled to the cutter attachment block by means of screw.
7. The ultrasonic machining device for the deep inner hole of claim 1, wherein a mounting block is provided on one side of the tool holder connecting block, a sleeving hole is provided in the tool holder connecting block, a boring bar is sleeved in the sleeving hole, tool holder grooves are provided on both sides of the sleeving hole, the tool holder groove on one side penetrates through the entire tool holder connecting block, and a clearance hole and a threaded hole are provided on the upper side and the lower side of the tool holder connecting block in the penetrating portion, respectively.
8. The ultrasonic deep bore machining apparatus of claim 1, wherein the weight is cylindrical and is threadably connected to the boring bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221522219.4U CN217492788U (en) | 2022-06-17 | 2022-06-17 | Ultrasonic machining device for deep inner hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221522219.4U CN217492788U (en) | 2022-06-17 | 2022-06-17 | Ultrasonic machining device for deep inner hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217492788U true CN217492788U (en) | 2022-09-27 |
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ID=83338775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221522219.4U Active CN217492788U (en) | 2022-06-17 | 2022-06-17 | Ultrasonic machining device for deep inner hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217492788U (en) |
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2022
- 2022-06-17 CN CN202221522219.4U patent/CN217492788U/en active Active
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