CN215200952U - Shock attenuation handle of a knife - Google Patents
Shock attenuation handle of a knife Download PDFInfo
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- CN215200952U CN215200952U CN202121752071.9U CN202121752071U CN215200952U CN 215200952 U CN215200952 U CN 215200952U CN 202121752071 U CN202121752071 U CN 202121752071U CN 215200952 U CN215200952 U CN 215200952U
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- cutter body
- shock attenuation
- damping
- knife
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Abstract
The utility model relates to a shock attenuation handle of a knife, including preceding cutter body and the back cutter body that is used for installing the cutter, back cutter body is connected with preceding cutter body, be equipped with damper between preceding cutter body and the cutter body, damper includes annular shock attenuation chamber, locates the shock attenuation module and the damping oil of annular shock attenuation intracavity, shock attenuation module includes damping piece and elastic unit, elastic unit sets up between damping piece and preceding cutter body, back cutter body. And the damping block is provided with a positioning groove. The density of the damping block is greater than that of the front cutter body and the rear cutter body. The utility model discloses simple structure, convenient operation, the shock attenuation chamber is transmitted in the vibrations that the course of working produced, and the motion takes place for the damping piece, and the reaction force that the elastic element produced offsets with the power that the damping piece produced, and at the in-process that constantly offsets of effort, the energy of vibrations transmission weakens gradually to reach absorbing effect, reduce the damage to each part of cutter and lathe, prolong the life of cutter and lathe.
Description
Technical Field
The utility model relates to a shock attenuation handle of a knife belongs to cutter handle of a knife technical field.
Background
In the actual production process, a plurality of complex and difficult-to-machine working conditions exist, particularly, when deep holes and deep grooves are machined, an ultra-long cutter is used for machining, and the length-diameter ratio is often larger than 10. The length-diameter ratio is too large, and particularly, large vibration is generated during the high-speed operation of the cutter.
With the gradual update of the existing material types, the difficult-to-process materials are applied to products more and more. The problem of machining vibration also becomes the biggest obstacle to improving the machining efficiency and the machining quality.
The tool vibration problem directly affects the surface roughness of the product and the size and position accuracy of the product. The vibration of the cutter can not only accelerate the abrasion of the cutter, but also cause the problems of tipping if the cutter is light, and fracture and damage of a workpiece if the cutter is heavy, so that the service life of the cutter is greatly reduced; in addition, the tool vibration causes the abrasion among parts of the machine tool to be aggravated, and causes the damage of the machine tool and other problems, so the tool vibration problem is a great problem to be solved urgently.
Disclosure of Invention
The utility model discloses not enough to prior art exists provides a simple structure, and convenient operation can effectively solve the shock attenuation handle of a knife of cutter vibrations problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a shock attenuation handle of a knife, includes preceding cutter body and is used for installing the back cutter body of cutter, back cutter body with preceding cutter body is connected, preceding cutter body with be equipped with damper between the cutter body of back, damper includes annular shock attenuation chamber, locates the shock attenuation module and the damping oil of annular shock attenuation intracavity, form between preceding cutter body and the back cutter body annular shock attenuation chamber, the shock attenuation module includes damping piece and elastic element, the elastic element sets up between damping piece and preceding cutter body and the back cutter body.
The utility model has the advantages that: the handle of a knife includes two parts, preceding cutter body and back cutter body promptly, it is preceding, form annular shock attenuation chamber after connecting between the back cutter body, there is the damping piece in the shock attenuation chamber, elastic element and shock attenuation damping oil, the last installation cutter of back cutter body, the course of working can produce vibrations, vibrations are the transmission forward, transmit the shock attenuation chamber, the damping piece takes place the motion, elastic element can play the supporting role, the reaction force that elastic element produced offsets with the power that the damping piece produced, at the continuous in-process that offsets of effort, the energy of vibrations transmission weakens gradually, thereby reach the absorbing effect. In a word, the utility model discloses simple structure, convenient operation reduces the vibrations that the cutter course of working produced, reduces the damage to each part of cutter and lathe, prolongs the life of cutter and lathe.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, a positioning groove for positioning the elastic unit is arranged on the damping block.
The beneficial effect of adopting above-mentioned further scheme is that, positioning groove can realize stabilizing the location so that the elastic element of stable location can cooperate the damping piece to satisfy absorbing effect to the elastic element of stable location.
Furthermore, the number of the positioning grooves is four, and the four elastic units are respectively arranged at the front end and the rear end of the inner surface and the front end and the rear end of the outer surface of the damping block.
Adopt above-mentioned further scheme's beneficial effect is that, the elastic element corresponds the setting in positioning groove, and four elastic element settings are in four angular position of the axial cross-section of damping piece, and four elastic element can play fine supporting role to the damping piece, and its produced power can offset with the power of damping piece, and in the process that the effort was constantly offset, the energy of vibrations transmission weakens gradually, further improves the shock attenuation effect.
Furthermore, the density of the damping block is greater than that of the front cutter body and the rear cutter body.
The damping block is made of a high-density material, the density of the damping block is larger than that of the front cutter body, the density of the damping block is larger than that of the rear cutter body, and the damping block can play a role in damping.
Furthermore, a sealing element is arranged between the front cutter body and the rear cutter body.
The beneficial effect who adopts above-mentioned further scheme is, on the one hand increases the leakproofness of preceding, back cutter body, and on the other hand guarantees the stability of shock attenuation intracavity pressure, avoids the leakage of shock attenuation damping oil.
Furthermore, the sealing element comprises a first sealing ring arranged on the front side of the damping mechanism, and the first sealing ring is arranged between the cylindrical matching surfaces of the front cutter body and the rear cutter body.
Adopt above-mentioned further scheme's beneficial effect is, first sealing washer sets up in the front side of shock attenuation chamber, increases the cylindricality on the cutter body of back and preceding cutter body connection leakproofness, avoids the leakage of shock attenuation damping oil.
Furthermore, the sealing element further comprises a second sealing ring, flanges for connection are respectively arranged on the front cutter body and the rear cutter body, and the second sealing ring is arranged on a flange contact surface of the flange.
Adopt above-mentioned further scheme's beneficial effect be, seal the damping oil of shock attenuation chamber rear side through the second sealing washer and block, prevent that damping oil from leaking outward.
Further, the sealing element further comprises a third sealing ring arranged between the front end of the rear cutter body and the front cutter body.
Adopt above-mentioned further scheme's beneficial effect is that, the preceding cutter body carries out multiple sealing through three sealing washer with the back cutter body, prevents that shock attenuation damping oil from leaking outward, guarantees the shock attenuation intracavity pressure stability.
Furthermore, the front cutter body is connected with the rear cutter body through threads, and a cylindrical part in threaded connection with the front cutter body is arranged at the front end of the rear cutter body.
The front cutter body and the rear cutter body are connected through threads, if the front end of the rear cutter body is provided with the connecting cylindrical portion, the front cutter body is provided with the inserting hole with internal threads, the outer surface of the connecting cylindrical portion is provided with external threads matched with the inserting hole, the front cutter body and the rear cutter body can be connected through threaded matching, the front cutter body and the rear cutter body are connected through threads, the connecting strength is improved, and the sealing effect is achieved.
Furthermore, the front cutter body is connected with the rear cutter body through a fastening bolt.
The technical scheme has the advantages that the cutter bodies can be connected through the threads and can also be connected through the fastening bolts, the front cutter body and the rear cutter body are respectively provided with a flange for connection, and the fastening bolts penetrate through flange holes in the flanges to realize connection of the front cutter body and the rear cutter body, are in surface contact through the flanges and are fastened through screws. The structural rigidity of the knife handle is increased, and the precision of the knife handle is further improved; besides the connection mode, the two connection modes of the threads and the fastening bolt can be combined, and the connection stability of the cutter body is further ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the right side view of the structure of FIG. 1;
fig. 3 is a schematic sectional structure view of the damping block of the present invention;
in the figure, 1, a front cutter body; 2. a rear cutter body; 21. a cylindrical portion; 3. a damping chamber; 4. a damping block; 41. a positioning groove; 5. an elastic unit; 6. a first seal ring; 7. a second seal ring; 8. a third seal ring; 9. a thread; 10. and fastening the bolt.
Detailed Description
The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1-3, a shock attenuation handle of a knife, including preceding cutter body 1 and the back cutter body 2 that is used for installing the cutter, back cutter body with preceding cutter body is connected, preceding cutter body with be equipped with damper between the back cutter body, damper includes annular shock attenuation chamber 3, locates the shock attenuation module and the damping oil of annular shock attenuation intracavity, form between preceding cutter body and the back cutter body annular shock attenuation chamber, damper includes damping block 4 and elastic element 5, elastic element sets up between damping block and preceding cutter body and the back cutter body.
The damping block is provided with a positioning groove 41 for positioning the elastic unit. The positioning groove can realize stable positioning of the elastic unit so that the elastic unit can be matched with the damping block to meet the damping effect.
The four positioning grooves are formed in the damping block, and the four elastic units are arranged at the front end and the rear end of the inner surface and the front end and the rear end of the outer surface of the damping block respectively. The elastic units are correspondingly arranged in the positioning grooves, the four elastic units are arranged at four corners of the axial cross section of the damping block, the four elastic units can play a good supporting role on the damping block, the generated acting force can be offset with the force of the damping block, in the process of continuously offsetting the acting force, the energy transmitted by vibration is gradually weakened, and the damping effect is further improved.
The density of the damping block is greater than that of the front cutter body and the rear cutter body. The damping block is made of a high-density material, the density of the damping block is larger than that of the front cutter body, the density of the damping block is larger than that of the rear cutter body, and the damping block can play a damping role.
And a sealing element is arranged between the front cutter body and the rear cutter body. On the one hand, the leakproofness of preceding, back cutter body is increased, and on the other hand, guarantees the stability of shock attenuation intracavity pressure, avoids the leakage of shock attenuation damping oil.
The sealing element comprises a first sealing ring 6 arranged on the front side of the damping mechanism, and the first sealing ring is arranged between the cylindrical matching surfaces of the front cutter body and the rear cutter body. First sealing washer sets up in the front side of shock attenuation chamber, increases the cylindricality on the cutter body of back and preceding cutter body and is connected the leakproofness, avoids the leakage of shock attenuation damping oil.
The sealing element further comprises a second sealing ring 7, flanges for connection are arranged on the front cutter body and the rear cutter body respectively, and the second sealing ring is arranged on a flange contact surface of the flange. The damping oil at the rear side of the damping cavity is sealed and blocked by the second sealing ring, so that the damping oil is prevented from leaking outwards.
The sealing element further comprises a third sealing ring 8 arranged between the front end of the rear cutter body and the front cutter body. The front cutter body and the rear cutter body are subjected to multiple sealing through three sealing rings, so that damping oil is prevented from leaking outwards, and the pressure in the damping cavity is stable.
The front cutter body is connected with the rear cutter body through threads 9, and the front end of the rear cutter body is provided with a cylindrical part in threaded connection with the front cutter body. The front end of the rear cutter body is provided with a connecting cylindrical part, the front cutter body is provided with an insertion hole with internal threads, the outer surface of the connecting cylindrical part is provided with external threads matched with the insertion hole, the front cutter body and the rear cutter body can be connected through threaded matching, the front cutter body and the rear cutter body are connected through threads, the connecting strength is improved, and the sealing effect is also achieved.
The front cutter body is connected with the rear cutter body through a fastening bolt 10. The front cutter body and the rear cutter body can be connected by adopting a fastening bolt, flanges for connection are respectively arranged on the front cutter body and the rear cutter body, the fastening bolt penetrates through a flange hole on the flange to realize the connection of the front cutter body and the rear cutter body, and the front cutter body and the rear cutter body are contacted through the flange surface and fastened by using screws. The structural rigidity of the knife handle is increased, and the precision of the knife handle is further improved; besides the connection mode, the two connection modes of the threads and the fastening bolt can be combined, and the connection stability of the cutter body is further ensured.
The damping module comprises four elastic units and damping blocks, the elastic units are high temperature resistant and have certain oil resistance, the damping blocks can be made of metal or rubber, the damping blocks are high-density substances, the density of the damping blocks is larger than that of the front cutter body and the rear cutter body, and the main materials can be tungsten or lead. In order to achieve a proper damping effect, the four elastic units can adopt different specifications and sizes.
The front cutter body and the rear cutter body are connected through threads, are matched with a cylindrical surface of a cylindrical part of the rear cutter to be positioned and are fastened by using three fastening bolts, the rear cutter body can be used for mounting the cutter, and the front cutter body and the rear cutter body are sealed by using a third sealing ring at the front end, a first sealing ring of a cylindrical matching surface and a second sealing ring of a flange contact surface. A damping module and damping oil are placed in a damping cavity between the front cutter body and the rear cutter body, and the damping module comprises four elastic units and a damping block.
In the course of working, the rear cutter body is connected the cutter and is processed and produce the vibration, forward transmission vibrations, transmit the shock attenuation chamber, because damping piece density is bigger in the shock attenuation chamber, the inertia of production is also bigger, the damping piece is because inertia takes place the motion in-process, because the elastic element plays the supporting role, and produce opposite effort, so the reaction force that the elastic element produced offsets with the power that the damping piece produced, at the in-process that the effort was constantly offset, the energy of vibrations transmission weakens gradually, thereby reach absorbing effect.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a shock attenuation handle of a knife, its characterized in that, includes preceding cutter body (1) and is used for installing back cutter body (2) of cutter, back cutter body (2) with preceding cutter body (1) is connected, preceding cutter body (1) with be equipped with damper between back cutter body (2), damper includes annular shock attenuation chamber (3), locates shock attenuation module and damping oil in annular shock attenuation chamber (3), annular shock attenuation chamber (3) set up between preceding cutter body (1) and back cutter body (2), shock attenuation module includes damping block (4) and elastic unit (5), elastic unit (5) set up between damping block (4) and preceding cutter body (1) and back cutter body (2).
2. The shock absorbing tool shank according to claim 1, characterized in that the damping block (4) is provided with a positioning groove (41) for positioning the elastic unit (5).
3. The shock-absorbing tool shank according to claim 2, wherein there are four positioning recesses (41), and four elastic units (5) are provided on the front end and the rear end of the inner surface and the front end and the rear end of the outer surface of the damping block (4), respectively.
4. The shock absorbing tool shank according to claim 1, characterized in that the density of the damping mass (4) is greater than the density of the front and rear tool bodies (1, 2).
5. A shock absorbing tool shank according to any one of claims 1 to 4, characterised in that a sealing is provided between the front tool body (1) and the rear tool body (2).
6. A shock absorbing knife handle according to claim 5, characterized in that the sealing element comprises a first sealing ring (6) arranged at the front side of the shock absorbing mechanism, the first sealing ring (6) being arranged between the cylindrical mating surfaces of the front knife body (1) and the rear knife body (2).
7. The shock-absorbing knife handle according to claim 5, characterized in that the sealing element further comprises a second sealing ring (7), the front knife body (1) and the rear knife body (2) are respectively provided with a connecting flange, and the second sealing ring (7) is arranged on a flange contact surface of the flange.
8. A shock absorbing knife handle according to claim 5, characterised in that the sealing further comprises a third sealing ring (8) arranged between the front end of the rear knife body (2) and the front knife body (1).
9. The shock absorption knife handle according to claim 1, characterized in that the front knife body (1) is connected with the rear knife body (2) through a thread (9), and the front end of the rear knife body (2) is provided with a cylindrical part (21) connected with the thread (9) of the front knife body (1).
10. A shock absorbing tool shank according to claim 1 or 9, characterised in that the front tool body (1) and the rear tool body (2) are connected by means of a fastening bolt (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121752071.9U CN215200952U (en) | 2021-07-29 | 2021-07-29 | Shock attenuation handle of a knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121752071.9U CN215200952U (en) | 2021-07-29 | 2021-07-29 | Shock attenuation handle of a knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215200952U true CN215200952U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121752071.9U Active CN215200952U (en) | 2021-07-29 | 2021-07-29 | Shock attenuation handle of a knife |
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| CN (1) | CN215200952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115568905A (en) * | 2022-10-17 | 2023-01-06 | 深圳迈菲超声医疗器械有限公司 | Ultrasonic cutting device |
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2021
- 2021-07-29 CN CN202121752071.9U patent/CN215200952U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115568905A (en) * | 2022-10-17 | 2023-01-06 | 深圳迈菲超声医疗器械有限公司 | Ultrasonic cutting device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211228 Address after: 264006 No.356 Changjiang Road, Yantai Economic and Technological Development Zone, Shandong Province Patentee after: Yantai Aidi Ruineng superhard cutting tool Co.,Ltd. Address before: 264006 No.356 Changjiang Road, Yantai Economic and Technological Development Zone, Shandong Province Patentee before: YANTAI EDDIE PRECISION MACHINERY Co.,Ltd. |