CN208787567U - A kind of shockproof knife bar - Google Patents
A kind of shockproof knife bar Download PDFInfo
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- CN208787567U CN208787567U CN201820329605.9U CN201820329605U CN208787567U CN 208787567 U CN208787567 U CN 208787567U CN 201820329605 U CN201820329605 U CN 201820329605U CN 208787567 U CN208787567 U CN 208787567U
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- counterweight
- cutter head
- attachment base
- sealing cover
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Abstract
The utility model relates to a kind of knife bars, and in particular to a kind of shockproof knife bar.The shockproof knife bar provided in the embodiments of the present invention, including cutter bar body and vibration abatement are set, and vibration abatement includes counterweight, sealing cover, cutter head attachment base and connecting rod；Counterweight, sealing cover, cutter head attachment base are connected in one by connecting rod, and counterweight is stable in connecting rod by sealing cover and cutter head attachment base from two ends, reinforce the stability of vibration abatement itself, further, counterweight is set to inside the accommodation space for being used to connect the second segment of cutter head, it can be effectively reduced the Oscillation Amplitude of cutter head at work, shockproof effect is good；Meanwhile the lateral wall of counterweight and the inner sidewall of second segment form the first annular gap, and shock-absorbing oil is filled in the first annular gap, can effectively absorb vibration wave, alleviates vibration.
Description
Technical field
The utility model relates to a kind of knife bars, and in particular to a kind of shockproof knife bar.
Background technique
Shockproof knife bar is extremely important in industry manufacture, and in deep hole machining, knife bar is limited by aperture, and diameter is small, long
Degree is big, causes poor rigidity, and intensity is low, and when cutting is also easy to produce vibration, and knife bar is caused to damage.There are many deep hole machinings, in order to mention
The processing efficiency in high hole guarantees that roughness is required using shockproof knife bar in the hole of machining accuracy and part.
Two top manufacturers for manufacturing shockproof knife bar in the world at present are Sandvik and the two enterprises of Ken Na, they
Shockproof knife bar maximum length and diameter ratio be 14:1 times of diameter.The efficiency of single process is also unable to satisfy higher processing request,
Also bigger length and diameter times diameter value can not be broken through.
Utility model content
To solve the above problem in the prior art.The purpose of this utility model is to provide a kind of shockproof knife bar,
The embodiments of the present invention are achieved in that
A kind of shockproof knife bar comprising cutter bar body, cutter bar body include the first segment and use for being connected to knife rest
In the second segment of connection cutter head, first segment is connect with second segment, and second segment is provided with accommodation space far from the end of first segment；It is anti-
Device is shaken, vibration abatement includes counterweight, sealing cover, cutter head attachment base and connecting rod；Sealing cover and cutter head attachment base point
Be not connected to the both ends of connecting rod, counterweight is sheathed on the outside of connecting rod, and the both ends of counterweight be connected to respectively sealing cover with
And cutter head attachment base；Counterweight, sealing cover, cutter head attachment base and connecting rod are connected in accommodation space, and seal cap sealing connects
It is connected to inner sidewall of the accommodation space close to first segment, cutter head attachment base is sealedly attached to end of the accommodation space far from first segment；
The lateral wall of counterweight and the inner sidewall of accommodation space form the first annular gap, and shock-absorbing oil is filled in the first annular gap.
In one embodiment of the utility model:
Above-mentioned second segment is set as taper, and along the direction far from first segment, the diameter of second segment is gradually reduced.
In one embodiment of the utility model:
Above-mentioned cutter bar body offers accommodating cavity, and accommodating cavity extends from first segment to second segment, accommodating cavity and appearance
Space to be received by interface channel connection, connecting rod length direction is provided with first passage, first passage is connected to interface channel,
Cutter head attachment base is provided with connection first passage and extraneous through-hole；
Wherein, it is logical to accommodate the cooling that cavity, interface channel, first passage and through-hole are formed for being filled with cooling medium
Road.
In one embodiment of the utility model:
Above-mentioned accommodating cavity offers the threaded hole for connecting cooling nozzles far from the inner wall of second segment.
In one embodiment of the utility model:
Above-mentioned sealing cover and first segment inner sidewall junction are provided with sealing ring.
In one embodiment of the utility model:
The junction of above-mentioned counterweight and sealing cover and cutter head attachment base is provided with elastic component.
In one embodiment of the utility model:
Above-mentioned elastic component includes rubber coil and the elastic cushion for being sheathed on rubber coil.
In one embodiment of the utility model:
Above-mentioned counterweight is attached most importance to ring-shaped article made of metal.
In one embodiment of the utility model:
Above-mentioned counterweight can be made of lead, zinc or mercury material.
In one embodiment of the utility model:
Have the second annular gap between above-mentioned counterweight and connecting rod, the first annular gap and the second annular gap it
Between by the connection of the connection through-hole that is arranged on counterweight, be filled between the first annular gap and the second ring-type for shock-absorbing oil
Gap.
The beneficial effect of the utility model embodiment is:
The shockproof knife bar provided in the embodiments of the present invention, including cutter bar body and vibration abatement are set, shockproof dress
It sets including counterweight, sealing cover, cutter head attachment base and connecting rod；Counterweight, sealing cover, cutter head attachment base are connected by connecting rod
It is connected to one, and counterweight is stable in connecting rod by sealing cover and cutter head attachment base from two ends, reinforces vibration abatement
Counterweight is further set to inside the accommodation space for being used to connect the second segment of cutter head by the stability of itself, can be effective
Ground reduces the Oscillation Amplitude of cutter head at work, and shockproof effect is good；Meanwhile the lateral wall of counterweight and the inner sidewall shape of second segment
It is oily filled with shock-absorbing in the first annular gap at the first annular gap, vibration wave can be effectively absorbed, vibration is alleviated.
Detailed description of the invention
It is to be used attached to being needed in embodiment below for the clearer technical solution for illustrating the utility model embodiment
Figure is briefly described.It should be appreciated that the following drawings illustrates only the certain embodiments of the utility model, it is not construed as pair
The limitation of the scope of the utility model.To those skilled in the art, without creative efforts, Neng Gougen
Other accompanying drawings are obtained according to these attached drawings.
Fig. 1 is the overall structure diagram for the shockproof knife bar that the utility model embodiment 1 provides；
Fig. 2 is the enlarged view at II of Fig. 1；
Fig. 3 is the structural schematic diagram of the cutter bar body for the shockproof knife bar that the utility model embodiment 1 provides；
Fig. 4 is the structural schematic diagram of the rubber coil for the shockproof knife bar that the utility model embodiment 1 provides；
Fig. 5 is the structural schematic diagram of the counterweight for the shockproof knife bar that the utility model embodiment 1 provides.
Icon: the shockproof knife bar of 10-；100- cutter bar body；110- first segment；112- accommodates cavity；114- interface channel；
116- threaded hole；120- second segment；122- accommodation space；200- vibration abatement；210- counterweight；The first annular gap of 211-；
The second annular gap of 212-；213- sealing-plug；214- elastic component；2142- rubber coil；2143- boss；The concave surface 2144-；
2145- elastic cushion；215- connection through-hole；216- sealing strip；218- groove；220- sealing cover；222- sealing ring；230- cutter head
Attachment base；232- through-hole；240- connecting rod；242- first passage.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing, to this
Technical solution in utility model embodiment carries out clear, complete description.Obviously, described embodiment is the utility model
A part of the embodiment, instead of all the embodiments.
Therefore, below to the detailed description of the embodiments of the present invention be not intended to limit claimed it is practical new
The range of type, but it is merely representative of the section Example of the utility model.Based on the embodiments of the present invention, this field is general
Logical technical staff every other embodiment obtained without creative efforts belongs to the utility model guarantor
The range of shield.
It should be noted that in the absence of conflict, feature in the embodiments of the present invention and embodiment and
Technical solution can be combined with each other.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " first ", " second " etc. are only used for distinguishing description,
It is not understood to indicate or imply relative importance.
Embodiment 1:
Fig. 1 is the overall structure diagram for the shockproof knife bar 10 that the utility model embodiment 1 provides；Fig. 2 is at the II of Fig. 1
Enlarged drawing.It please refers to Fig. 1 and combines Fig. 2, the present embodiment provides a kind of shockproof knife bars 10 comprising cutter bar body 100, knife bar sheet
Body 100 includes the first segment 110 for being connected to knife rest and the second segment 120 for connecting cutter head, first segment 110 and second
Section 120 connects, and second segment 120 is provided with accommodation space 122 far from the end of first segment 110；Vibration abatement 200, vibration abatement
200 include counterweight 210, sealing cover 220, cutter head attachment base 230 and connecting rod 240；Sealing cover 220 and cutter head attachment base
230 are connected to the both ends of connecting rod 240, and counterweight 210 is sheathed on 240 outside of connecting rod, and the both ends of counterweight 210
It is connected to sealing cover 220 and cutter head attachment base 230 respectively；Counterweight 210, sealing cover 220, cutter head attachment base 230 and company
Extension bar 240 is connected in accommodation space 122, and sealing cover 220 is sealedly attached to accommodation space 122 close to the inside of first segment 110
Wall, cutter head attachment base 230 are sealedly attached to end of the accommodation space 122 far from first segment 110；The lateral wall of counterweight 210 with
The inner sidewall of accommodation space 122 forms the first annular gap 211, and shock-absorbing oil is filled in the first annular gap 211.
Fig. 3 is the structural schematic diagram of the cutter bar body 100 for the shockproof knife bar 10 that the utility model embodiment 1 provides.It please join
According to Fig. 3, in the present embodiment, second segment 120 is set as taper, along far from first segment 110 direction, second segment 120 it is straight
Diameter is gradually reduced.Taper is set by second segment 120, can effectively mitigate the own wt of cutter bar body 100, and then reduce knife
The coefficient of elasticity of bar body 100 promotes shockproof effect.
It should be noted that not being defined here to the concrete shape of second segment 120, it is possible to understand that, in other tools
In body embodiment, other shapes can also be set by second segment 120 according to the demand of user, such as be set as cylindric etc..
In the present embodiment, cutter bar body 100 offers accommodating cavity 112, and accommodating cavity 112 is from first segment 110 to the
Two section of 120 extension, accommodating cavity 112 is connected to accommodation space 122 by interface channel 114, along 240 length direction of connecting rod
It is provided with first passage 242, first passage 242 is connected to interface channel 114, and it is logical that cutter head attachment base 230 is provided with connection first
Road 242 and extraneous through-hole 232；
Wherein, cavity 112, interface channel 114, first passage 242 and through-hole 232 is accommodated to be formed for being filled with cooling
The cooling duct of medium.
It should be noted that in the present embodiment, hollow structure is set by cutter bar body 100, convenient for enhancing knife bar bending resistance
Ability.
Also it should be noted that accommodating cavity 112, interface channel 114, first passage 242 and the formation of through-hole 232 are used for
It is filled with the cooling duct of cooling medium.In process, convenient for being constantly infused by the cooling duct in cutter bar body 100
Cooling medium, and then realize cooling.
In the present embodiment, accommodating cavity 112 offers the spiral shell for connecting cooling nozzles far from the inner wall of second segment 120
Pit 116.Threaded hole 116 for connecting cooling nozzles is set, convenient in assembling process, cooling nozzles are connected to screw thread
Cooling medium is injected to cooling duct in hole 116.
It, can be with it should be noted that the concrete mode for not being connected to cutter bar body 100 to cooling nozzles here is defined
Understand, in other specific embodiments, cooling nozzles can also be passed through into other connection types and knife according to the demand of user
Bar body 100 is attached.
In the present embodiment, sealing cover 220 and 110 inner sidewall junction of first segment are provided with sealing ring 222.In sealing cover
220 are provided with sealing ring 222 with 110 inner sidewall junction of first segment, and sealing ring 222 is arranged, can make in the first annular gap 211
Shock-absorbing oil leakage, while can avoid cooling duct injection cooling medium mixed with shock-absorbing oil.
In the present embodiment, the junction of counterweight 210 and sealing cover 220 and cutter head attachment base 230 is provided with bullet
Property part 214.Setting elastic component 214 is easy to implement counterweight 210 and is flexible coupling with sealing cover 220 and attachment base, and then enhances it
To the cushion performance of vibration.
Fig. 4 is the structural schematic diagram of the rubber coil 2142 for the shockproof knife bar 10 that the utility model embodiment 1 provides.
Referring to figure 4., specifically, in the present embodiment, elastic component 214 including rubber coil 2142 and is sheathed on rubber spring
The elastic cushion 2145 of circle 2142.
Fig. 5 is the structural schematic diagram of the counterweight 210 for the shockproof knife bar 10 that the utility model embodiment 1 provides.It please refers to
Fig. 5, specifically, in the present embodiment, rubber coil 2142 and counterweight 210, sealing cover 220 and cutter head attachment base 230
Junction be provided with sealing strip 216, correspondingly, sealing cover 220, counterweight 210 and cutter head attachment base 230 it is corresponding
Position also offers the groove 218 for accommodating sealing strip 216.
Specifically, in the present embodiment, the edge of rubber coil 2142 is provided with the boss 2143 extended to both ends, can
With understanding, offer with boss 2143 in sealing cover 220, counterweight 210 and 230 corresponding position of cutter head attachment base to cooperation
Concave surface 2144.Boss 2143 is set and concave surface 2144 is easy to implement the positioning of counterweight 210, promotes counterweight 210 and assembles
In stability, further promote anti-seismic performance.
Specifically, in the present embodiment, counterweight 210 is attached most importance to ring-shaped article made of metal.It is heavy metal by counterweight 210
Manufactured ring-shaped article is promoted the weight of counterweight 210 in effective space using heavy metal, counterweight 210 is arranged
For ring-shaped article, the weight convenient for counterweight 210 is uniformly distributed, and then improves the stability of shockproof knife bar 10 during the work time.
Specifically, in the present embodiment, counterweight 210 can be made of lead, zinc or mercury material.It should be noted that
Here the specific material of counterweight 210 is not defined, it is possible to understand that, it, can also root in other specific embodiments
According to the demand of user, counterweight 210 is made of other materials, such as cobalt, thallium or manganese material are made.
In the present embodiment, has the second annular gap 212 between counterweight 210 and connecting rod 240, between the first ring-type
It is connected between gap 211 and the second annular gap 212 by the connection through-hole 215 being arranged on counterweight 210, is filled out for shock-absorbing oil
It fills in the first annular gap 211 and the second annular gap 212.
Second annular gap 212 is set and is connected to it with the first annular gap 211, is filled in the first ring convenient for shock-absorbing oil
Shape gap 211 and the second annular gap 212 further absorb vibration wave, alleviate vibration.
Specifically, connection through-hole 215 is respectively arranged on the side wall of two close end in counterweight 210, in counterweight 210
Both ends setting connection through-hole 215, convenient for inject shock-absorbing it is oily during, when connecting through-hole 215 at one end and injecting, can pass through
The detection shock-absorbing oil of the other end is filled with situation.
Specifically, it is provided with sealing-plug 213 at connection through-hole 215, convenient for passing through sealing-plug after injection shock-absorbing oil
213 are sealed.
Specifically, in the present embodiment, it is provided with spatial margin on the inside of accommodation space 122, is conveniently adjusted suitable counterweight
The weight of part 210.
In conclusion the shockproof knife bar 10 provided in the embodiments of the present invention, including cutter bar body 100 and shockproof
Device 200 is set, and vibration abatement 200 includes counterweight 210, sealing cover 220, cutter head attachment base 230 and connecting rod 240；Counterweight
Part 210, sealing cover 220, cutter head attachment base 230 are connected in one by connecting rod 240, and sealing cover 220 and cutter head connect
Counterweight 210 is stable in connecting rod 240 by joint chair 230 from two ends, reinforces the stability of vibration abatement 200 itself, into
One step, counterweight 210 is set to inside the accommodation space 122 for being used to connect the second segment 120 of cutter head, can be effectively reduced
The Oscillation Amplitude of cutter head at work, shockproof effect are good；Meanwhile the inner sidewall shape of the lateral wall of counterweight 210 and second segment 120
It is oily filled with shock-absorbing in the first annular gap 211 at the first annular gap 211, vibration wave can be effectively absorbed, vibration is alleviated.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (5)
1. a kind of shockproof knife bar characterized by comprising
Cutter bar body, the cutter bar body include the first segment for being connected to knife rest and the second segment for connecting cutter head,
The first segment is connect with the second segment, and the second segment is provided with accommodation space far from the end of the first segment；
Vibration abatement, the vibration abatement include counterweight, sealing cover, cutter head attachment base and connecting rod；The sealing cover with
And the cutter head attachment base is connected to the both ends of the connecting rod, the counterweight is sheathed on the outside of the connecting rod, and
The both ends of the counterweight are connected to the sealing cover and the cutter head attachment base respectively；The counterweight, sealing cover, cutter head
Attachment base and connecting rod are connected in the accommodation space, and the seal cap sealing is connected to the accommodation space close to described
The inner sidewall of first segment, the cutter head attachment base are sealedly attached to end of the accommodation space far from the first segment；It is described
The lateral wall of counterweight and the inner sidewall of the accommodation space form the first annular gap, are filled in first annular gap
Shock-absorbing oil；
The second segment is set as taper, and along the direction far from the first segment, the diameter of the second segment is gradually reduced；
Have the second annular gap, first annular gap and second ring between the counterweight and the connecting rod
By the connection through-hole connection being arranged on the counterweight between shape gap, first ring is filled in for the shock-absorbing oil
Shape gap and second annular gap；
The junction of the counterweight and the sealing cover and the cutter head attachment base is provided with elastic component；The elastic component
Including rubber coil and it is sheathed on the elastic cushion of rubber coil；The counterweight is attached most importance to ring-shaped article made of metal.
2. shockproof knife bar according to claim 1, which is characterized in that the cutter bar body offers accommodating cavity, described
Accommodating cavity extends from the first segment to the second segment, and the accommodating cavity and the accommodation space are connected by interface channel
It is logical, the connecting rod length direction is provided with first passage, the first passage is connected to the interface channel, the cutter head
Attachment base, which is provided with, is connected to the first passage and extraneous through-hole；
Wherein, the accommodating cavity, the interface channel, the first passage and through-hole are formed for being filled with cooling medium
Cooling duct.
3. shockproof knife bar according to claim 2, which is characterized in that the accommodating inner wall of the cavity far from the second segment
Offer the threaded hole for connecting cooling nozzles.
4. shockproof knife bar according to claim 2, which is characterized in that the sealing cover is connect with the first segment inner sidewall
Place is provided with sealing ring.
5. shockproof knife bar according to claim 1, which is characterized in that the counterweight can use lead, zinc or mercury material
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329605.9U CN208787567U (en) | 2018-03-09 | 2018-03-09 | A kind of shockproof knife bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329605.9U CN208787567U (en) | 2018-03-09 | 2018-03-09 | A kind of shockproof knife bar |
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| Publication Number | Publication Date |
|---|---|
| CN208787567U true CN208787567U (en) | 2019-04-26 |
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ID=66198959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820329605.9U Active CN208787567U (en) | 2018-03-09 | 2018-03-09 | A kind of shockproof knife bar |
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| CN (1) | CN208787567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213475A (en) * | 2018-03-09 | 2018-06-29 | 四川天博精工科技有限公司 | A kind of shockproof knife bar |
| CN112792373A (en) * | 2021-03-29 | 2021-05-14 | 成都裕鸢航空智能制造股份有限公司 | Aircraft engine casing spot facing machining tool, machining device and machining method |
-
2018
- 2018-03-09 CN CN201820329605.9U patent/CN208787567U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213475A (en) * | 2018-03-09 | 2018-06-29 | 四川天博精工科技有限公司 | A kind of shockproof knife bar |
| CN108213475B (en) * | 2018-03-09 | 2024-06-04 | 四川天博精工科技有限公司 | Shockproof cutter bar |
| CN112792373A (en) * | 2021-03-29 | 2021-05-14 | 成都裕鸢航空智能制造股份有限公司 | Aircraft engine casing spot facing machining tool, machining device and machining method |
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