CN208744528U - A kind of adjustable straight-tube inner wall-burnishing machine - Google Patents
A kind of adjustable straight-tube inner wall-burnishing machine Download PDFInfo
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- CN208744528U CN208744528U CN201821381344.1U CN201821381344U CN208744528U CN 208744528 U CN208744528 U CN 208744528U CN 201821381344 U CN201821381344 U CN 201821381344U CN 208744528 U CN208744528 U CN 208744528U
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Abstract
The utility model relates to a kind of pipeline polissoirs, disclose a kind of adjustable straight-tube inner wall-burnishing machine, solve the problems, such as that existing polishing machine is only capable of processing same regular straight tube, a kind of adjustable straight-tube inner wall-burnishing machine includes rack, sanding component, driving assembly and limit assembly, sanding component includes motor two, polishing pad that is removable with the co-axially fixed drive rod of motor two and with drive rod and rotating synchronously, there are two the support wheels two for being used to support straight tube towards the setting of one end of limit assembly for the rack, the limit assembly includes the scroll chuck for fixing one end of straight tube, two lower end of support wheel is installed in rack by sliding block, the sliding slot for sliding block straight-line displacement is offered along its width direction in rack, the actuator of two sliding block relative displacements of driving is additionally provided in rack, with can be big to different size Small straight tube is processed, a tractor serves several purposes, meets the advantages of more production and processings need.
Description
Technical field
The utility model relates to a kind of pipeline polissoir, in particular to a kind of adjustable straight-tube inner wall-burnishing machine.
Background technique
Straight tube inner wall-burnishing machine is a kind of machine only for compared with oblong straight tube inner wall sanding and polishing.
The prior art including rack 1, the sanding component being set in rack 13, drives as shown in Figure 1, a kind of polishing machine
Limit assembly 4 of the sanding component 3 with respect to driving assembly 5 and limit straight tube 2 that rack 1 moves forward and backward, the packet of sanding component 3
Motor 2 31, drive rod 32 and polishing pad 33 are included, motor 2 31 is fixed with 32 one end of drive rod, polishing pad 33 and drive rod 32
The other end is fixed, and limit assembly 4 limits 2 one end of straight tube, and 2 other end of straight tube is supported by two support wheels 27, is made
Its straight tube 2 and drive rod 32 are on same axial line, so that motor 2 31 drives 33 rotation of polishing pad, driving assembly 5 is driven
Its polishing pad 33 carries out inner wall polishing to straight tube 2 along 2 axial displacement of straight tube.
It is in place of the deficiencies in the prior art, since limit assembly, motor two, drive rod and the second-class component of support wheel are equal
For stationary state, so that its above-mentioned polishing machine is only capable of internal, outer diameter specification striking resemblances straight tubes and carry out inner wall polishing, it can not
Meet more production and processing demands.
Utility model content
The purpose of the utility model is to provide a kind of adjustable straight-tube inner wall-burnishing machines, and which solve existing polishing machines to be only capable of
The problem of processing to same regular straight tube, straight tube of different specifications and sizes can be processed by having, a tractor serves several purposes, be met
The advantages of more production and processings need.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of adjustable straight-tube inner wall-burnishing machine, including rack, sanding component, driving assembly and limit assembly, polishing
Component includes motor two and the co-axially fixed drive rod of motor two and polishing pad that is removable with drive rod and rotating synchronously, institute
Rack is stated towards the setting of one end of limit assembly there are two the support wheel two for being used to support straight tube, the limit assembly includes being used for
The scroll chuck of one end of fixed straight tube, two lower end of support wheel is installed in rack by sliding block, along its width in rack
Direction offers the sliding slot for sliding block straight-line displacement, and the actuator of two sliding block relative displacements of driving is additionally provided in rack.
Using the above structure, the relative displacement that two sliding blocks are adjusted by actuator adjusts it between two support wheels two
Spacing and scroll chuck itself adjustable holding size change it can while not changing straight tube shaft core position to not
With the clamping work of size straight tube, and then can be detachable with respect to drive rod by polishing pad, make it can be according to straight tube inner diameter size
Difference replaces different size of polishing pad, makes one platform machine that can carry out sanding and polishing work to the straight tube of plurality of specifications, meets
More production requirements.
Further preferably are as follows: the actuator includes the Bidirectional-screw for being arranged in parallel with sliding slot and connecting with gantry rotation,
The Bidirectional-screw passes through two sliding blocks and is threadedly coupled respectively with two sliding blocks with the bidirectional helical on surface, the setting of Bidirectional-screw one end
There is handwheel.
Using the above structure, Bidirectional-screw is rotated convenient for staff by handwheel, in the screw thread of sliding block and Bidirectional-screw
Mating reaction power and sliding slot give under the guiding role power of sliding block, it is made to drive sliding block and the displacement of two synchronous backward of support wheel
Work.
Further preferably are as follows: the two sliding block lower ends are embedded with several balls, and the ball and sliding slot bottom wall, which roll, to be contradicted.
Using the above structure, by ball and the rolling friction of sliding slot bottom wall, the frictional force between sliding block and sliding slot is reduced, just
The relative displacement work of two sliding blocks is adjusted in staff.
Further preferably are as follows: be radially threaded with fixing bolt, the fixing bolt along Bidirectional-screw in the rack
It is abutted in displacement process with Bidirectional-screw outer wall.
Using the above structure, it is abutted by the fixing bolt one end being threadedly coupled with rack with Bidirectional-screw outer wall, makes it
Position-limiting action is played to Bidirectional-screw, is prevented in course of normal operation, is loosened.
Further preferably are as follows: the driving component includes the mounting base for being only capable of being displaced along the length of the rack and driving peace
The chain wheel driving mechanism that cartridge seat moves, sanding component are connected with mounting base, and mounting base is connected with chain wheel driving mechanism.
Using the above structure, then by chain wheel driving mechanism it drives mounting base to move forward and backward along the length of the rack, makes it
Polishing pad carries out sanding and polishing work along axial displacement inside straight tube, to straight tube inner wall, makes its operation automation, one side machine
Automated production more lasting stability, can be improved its production efficiency；On the other hand without manually being pushed to sanding component,
It can achieve the effect that save artificial.
Further preferably are as follows: the chain wheel driving mechanism include the sprocket wheel for being rotationally connected with rack length direction two sides, around
The motor one in two sprocket wheels and with the chain of two sprocket engagements and driving one sprocket wheel positive and negative rotation is rolled up, the chain is in two
One section between sprocket wheel is fixed with mounting base.
Using the above structure, drive the rotation of one sprocket wheel, under the engagement of sprocket wheel and chain, drive by motor one
Chain coiling, and then mounting base is driven to move forward and backward along the length of the rack, realize that driving sanding component throws the polishing of straight tube
Light work.
Further preferably are as follows: the rack is additionally provided with supporting element with respect to the side of motor two, and the supporting element includes turning
Two support wheels one are coaxially fixed in the dynamic driven roller being connected in rack, the driven roller, two support wheels one are connected on end face
It sets in inclined-plane, one section that the inclined-plane of two support wheels one is between polishing pad and motor two with drive rod abuts.
When using the above structure, due to polishing longer straight tube, transmission pole length is also corresponding longer, by setting in driven roller
Two support wheel a pair of the drive rods set are supported, and keep its drive rod more stable in polishing work；And then pass through two supports
The inclined-plane opened up on wheel one is abutted with drive rod, is made its drive rod by oblique active force, is enhanced the supporting & stablizing to drive rod
Property.
Further preferably are as follows: the scroll chuck is coaxially fixed with a transmission shaft, and the transmission shaft is rotationally connected with fixation
On seat, the motor three of driving transmission shaft rotation is additionally provided in the fixing seat.
Using the above structure, when sanding component polishes to straight tube, motor three drives scroll chuck rotation, drives it straight
Pipe is reversely rotated with sanding component, can effectively improve sanding component to the sanding and polishing efficiency of straight tube.
Further preferably are as follows: be fixed with driving wheel one on the transmission shaft, be fixed with biography on the output shaft of the motor three
Coiling has transmission belt one on driving wheel two, driving wheel one and driving wheel two, and the outer diameter ratio of the driving wheel one and driving wheel two is 1:
5。
Using the above structure, since motor rotational velocity is too fast, by the outer diameter ratio of driving wheel one and driving wheel two, by it
After motor speed passes through the transmission work of driving wheel one, driving wheel two, the revolving speed of its scroll chuck is reduced, rotates its straight tube
It is more stable.
In conclusion the utility model has the following beneficial effects: by actuator adjust two sliding blocks relative displacement, make
It adjusts the spacing and scroll chuck adjustable holding size itself between two support wheels two, makes it that can not change straight tube
Change the clamping work to different size straight tube while shaft core position, and then can be detachable with respect to drive rod by polishing pad,
Make it that can replace different size of polishing pad according to straight tube inner diameter size difference, makes one platform machine can be to the straight tube of plurality of specifications
Sanding and polishing work is carried out, more production requirements are met.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the prior art；
Fig. 2 is the overall structure diagram of the present embodiment；
Fig. 3 is the enlarged diagram in Fig. 2 at A；
Fig. 4 is the enlarged diagram in Fig. 2 at B；
Fig. 5 is the partial structural diagram of actuator Yu support wheel two.
In figure, 1, rack；2, straight tube；3, sanding component；31, motor two；32, drive rod；33, polishing pad；34, spiral shell is limited
Bolt；4, limit assembly；41, fixing seat；42, scroll chuck；43, transmission shaft；44, motor three；45, driving wheel one；46, driving wheel
Two；47, transmission belt one；5, driving assembly；51, mounting base；52, sprocket wheel；53, chain；54, motor one；55, driving wheel three；56,
Transmission belt two；57, shaft；6, supporting element；61, support frame；62, driven roller；63, support wheel one；7, support wheel two；8, it supports
Plate；9, actuator；91, Bidirectional-screw；92, handwheel；10, sliding block；11, sliding slot；12, ball；13, limit roller；14, elevating lever；
15, limit base；16, limiting slot；17, driving wheel；18, fixing bolt.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of adjustable straight-tube inner wall-burnishing machine, as shown in Fig. 2, include rack 1, sanding component 3, limit assembly 4 and
Driving assembly 5, limit assembly 4 limit straight tube 2, are aligned it with sanding component 3, and driving assembly 5 drives sanding component 3
Along 2 axial displacement of straight tube, to complete to work to the sanding and polishing of 2 inner wall of straight tube.
Referring to Fig. 2 and 3, above-mentioned sanding component 3 includes motor 2 31, drive rod 32 and polishing pad 33, drive rod 32 with
1 length direction of rack is arranged in parallel and coaxially fixes with the output shaft of motor 2 31, and polishing pad 33 is coaxial by caging bolt 34
It is fixed on the one end of drive rod 32 with respect to motor 2 31, motor 2 31 is connected to by electric wire with external power supply, when energization, motor two
31 drive drive rod 32 and 33 rotation of polishing pad；In the present embodiment, the straight tube 2 that the length of drive rod 32 polishes needed for being longer than is long
Degree.
Rack 1 is additionally provided with supporting element 6 with respect to the side of motor 2 31, supporting element 6 include support frame 61, driven roller 62 with
And two support wheels 1, support frame 61 are fixed in rack 1,62 both ends of driven roller are plugged on support frame 61 and opposite support frame
61 rotation connections, two support wheels 1 are fixedly welded in driven roller 62 and adjacent surface is set as inclined-plane, and drive rod 32 is connected to
On the inclined-plane of support wheel 1.
In the present embodiment, limit roller 13 is provided on above-mentioned support frame 61, limit roller 13 is in two support wheels, one 63 top,
The spacing moved up and down with two support wheels 1 limitation drive rod 32, makes its drive rod 32 during sanding and polishing, is only capable of
Bounce, enhances its polishing effect to straight tube 2 in a certain range；Above-mentioned limit roller 13 is rotationally connected on a limit base 15
And 13 two sides of limit roller extend to outside support frame 61, its short transverse of 61 liang of support frame lateral edge offers width and limit roller 13 is straight
Diameter equal limiting slot 16 is rotatably connected to an elevating lever 14 by bearing above limit base 15, and elevating lever 14 is set as screw rod,
14 one end of elevating lever extends to 61 top of support frame and is rotatablely connected with support frame 61, and elevating lever 14 is in one outside support frame 61
End is coaxially fixed with driving wheel 17, by 17 rotation and lifting bar 14 of driving wheel, drives limit base 15 and limit roller 13 along support
61 vertical motion of frame, to adjust the spacing between two support wheels 1, change drive rod 32 moves up and down distance.
Above-mentioned driving assembly 5 includes mounting base 51 and chain wheel driving mechanism, and mounting base 51 is by the U-shaped seat of honour and bottom plate structure
At after the seat of honour is plugged in rack 1, bottom plate is connect by bolt with the seat of honour, is formed it into and is sheathed in rack 1 and is only capable of edge
The mounting base 51 that rack 1 moves forward and backward；Chain wheel driving mechanism includes two sprocket wheels 52, chain 53 and motor 1, two sprocket wheels 52
Two sides fixed with a shaft 57 respectively and that 1 length direction of rack is rotationally connected with by 57 grafting of shaft, 53 coiling of chain in
Engaged on two sprocket wheels 52 and with two sprocket wheels 52, and in two sprocket wheel 52 direct one section fixed by bolt and bottom plate, motor one
54 are placed on ground and are coaxially fixed on output shaft driving wheel 3 55, and coiling has biography on driving wheel 3 55 and one shaft 57
Dynamic band 2 56, motor 1 are connected to by electric wire with external power supply, when energization, drive 3 55 positive and negative rotation of driving wheel of motor 1
It is dynamic, to rotate with movable sprocket 52, drive chain 53 that mounting base 51 is driven to move forward and backward along rack 1.
Referring to Fig. 3 and 4, above-mentioned limit assembly 4 includes fixing seat 41, scroll chuck 42, transmission shaft 43 and motor 3 44,
Scroll chuck 42 is coaxial fixed with transmission shaft 43, and transmission shaft 43 is rotationally connected in fixing seat 41 by bearing, motor 3 44
Coaxially be fixed with driving wheel 1 on output shaft, be coaxially fixed with driving wheel 2 46 on transmission shaft 43, by transmission belt 1 around
It rolls up in the synchronous rotation work for realizing driving wheel 1 and driving wheel 2 46 on driving wheel 1 and driving wheel 2 46, the present embodiment
In, the outer diameter ratio of driving wheel 1 and driving wheel 2 46 is 1:5.
In the present embodiment, limit assembly 4 further includes support wheel 27, and one end of rack 1 towards motor 3 44 is fixed with support
Plate 8, support wheel 27 are set in support plate 8 and there are two being arranged, and axis and 2 axis of straight tube of two support wheels 27 are arranged in parallel
And be arranged in a mutually vertical manner, 2 one end of straight tube is connected on two support wheels 27.
Referring to Fig. 3 and 5, in the present embodiment, 27 lower end of support wheel is fixedly welded on sliding block 10, and 10 upper end of sliding block is in 45 °
Inclined surface offers sliding slot 11 along 1 width direction of rack in support plate 8, and sliding slot 11 and sliding block 10 are of same size, and two sliding blocks 10 are inserted
It is connected in sliding slot 11, and realizes that two sliding blocks, 10 synchronous backward is displaced work by an actuator 9.
Above-mentioned actuator 9 includes Bidirectional-screw 91, and Bidirectional-screw 91 passes through 10 both ends of sliding block and passes through bearing and 8 turns of support plate
Dynamic to connect, the bidirectional helical on Bidirectional-screw 91 is threadedly coupled with a sliding block 10 respectively, and one end of Bidirectional-screw 91 extends to branch
Fagging 8 is outer and is coaxially fixed with a handwheel 92, drives Bidirectional-screw 91 to rotate by rotation handwheel 92, thus same with movable slider 10
The reversed displacement of step.
Above-mentioned 10 lower end of sliding block is also embedded with several balls 12 respectively, is contradicted by ball 12 and 11 bottom wall of sliding slot.
In the present embodiment, fixing bolt 18 is also threaded in above-mentioned support plate 8, fixing bolt 18 is along Bidirectional-screw 91
It is arranged radially and one end is abutted with 91 outer wall of Bidirectional-screw during rotation, position-limiting action is played to Bidirectional-screw 91.
Referring to Fig. 3 and 4, in the present embodiment, rack 1 is in being obliquely installed lower than the other end towards 3 44 one end of motor, is passed
Lever 32, straight tube 2 are arranged in parallel with 1 length direction of rack.
Working principle: when need to be to 2 inner wall polishing of straight tube, first passing through scroll chuck 42 and 2 one end of straight tube be fixed,
Motor 1, motor 2 31, motor 3 44 start, and motor 2 31 drives drive rod 32 and polishing pad 33 to rotate, motor 1
It is rotated with movable sprocket 52, drives mounting base 51 to be displaced along rack 1 by chain 53, polishing pad 33 is driven to protrude into the interior simultaneously phase of straight tube 2
Straight tube 2 is moved forward and backward, motor 3 44 drive straight tube 2 do with the reversely rotated work of polishing pad 33, make its by polishing pad 33 with
The frictional force of 2 inner wall of straight tube is realized and is worked the sanding and polishing of 2 inner wall of straight tube；
When needing the straight tube 2 to different size specification to polish, by the grasping part pair for adjusting scroll chuck 42
2 one end of straight tube is clamped, then rotates the relative displacement that Bidirectional-screw 91 adjusts two sliding blocks 10 by handwheel 92, adjusts two supports
The gap between 27 and straight tube 2 is taken turns, is in the straight tube 2 of its all specification size on same axial line with drive rod 32, then
By replacing the polishing pad 33 matched with 2 internal diameter of straight tube, to make it that can carry out inner wall throwing to straight tube 2 of different specifications and sizes
Light work.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as within the protection scope of the present utility model all by the protection of Patent Law.
Claims (9)
1. a kind of adjustable straight-tube inner wall-burnishing machine, including rack (1), sanding component (3), driving assembly (5) and limit group
Part (4), sanding component (3) include motor two (31) and the co-axially fixed drive rod of motor two (31) (32) and and drive rod
(32) polishing pad (33) that is removable and rotating synchronously, towards the setting of one end of limit assembly (4), there are two be used for the rack (1)
The support wheel two (7) of straight tube (2) is supported, the limit assembly (4) includes the scroll chuck for fixing one end of straight tube (2)
(42), it is characterized in that: the support wheel two (7) lower end is installed on rack (1) by sliding block (10), along its width in rack (1)
Degree direction offers the sliding slot (11) for sliding block (10) straight-line displacement, and it is opposite that driving two sliding blocks (10) is additionally provided in rack (1)
The actuator (9) of displacement.
2. a kind of adjustable straight-tube inner wall-burnishing machine according to claim 1, it is characterized in that: the actuator (9) includes
It is arranged in parallel with sliding slot (11) and the Bidirectional-screw (91) with rack (1) rotation connection, the Bidirectional-screw (91) passes through two and slide
It block (10) and is threadedly coupled respectively with two sliding blocks (10) with the bidirectional helical on surface, Bidirectional-screw (91) one end is provided with handwheel
(92)。
3. a kind of adjustable straight-tube inner wall-burnishing machine according to claim 1, it is characterized in that: two sliding block (10) lower ends
It is embedded with several balls (12), the ball (12) and sliding slot (11) bottom wall are rolled and contradicted.
4. a kind of adjustable straight-tube inner wall-burnishing machine according to claim 1, it is characterized in that: along double in the rack (1)
To screw rod (91) radially be threaded with fixing bolt (18), in fixing bolt (18) displacement process with Bidirectional-screw (91)
Outer wall abuts.
5. a kind of adjustable straight-tube inner wall-burnishing machine according to claim 1, it is characterized in that: the driving component (5) is wrapped
The chain wheel driving mechanism of the mounting base (51) for being only capable of being displaced along rack (1) length direction and drive installation seat (51) displacement is included,
Sanding component (3) is connected with mounting base (51), and mounting base (51) is connected with chain wheel driving mechanism.
6. a kind of adjustable straight-tube inner wall-burnishing machine according to claim 5, it is characterized in that: the chain wheel driving mechanism packet
Include the sprocket wheel (52) for being rotationally connected with rack (1) length direction two sides, coiling is engaged in two sprocket wheels (52) and with two sprocket wheels (52)
Chain (53) and drive the motor one (54) of one sprocket wheel (52) positive and negative rotation, the chain (53) is in two sprocket wheels (52)
Between one section it is fixed with mounting base (51).
7. a kind of adjustable straight-tube inner wall-burnishing machine according to claim 1, it is characterized in that: the rack (1) is relatively electric
The side of machine two (31) is additionally provided with supporting element (6), and the supporting element (6) includes the driven roller being rotationally connected on rack (1)
(62), two support wheels one (63) are coaxially fixed on the driven roller (62), two support wheels one (63), which are connected on end face to set, is in
Inclined-plane, one section that the inclined-plane and drive rod (32) of two support wheels one (63) are between polishing pad (33) and motor two (31) support
It connects.
8. a kind of adjustable straight-tube inner wall-burnishing machine according to claim 1, it is characterized in that: the scroll chuck (42) is same
Axis is fixed with a transmission shaft (43), and the transmission shaft (43) is rotationally connected on fixing seat (41), on the fixing seat (41) also
It is provided with the motor three (44) of driving transmission shaft (43) rotation.
9. a kind of adjustable straight-tube inner wall-burnishing machine according to claim 8, it is characterized in that: solid on the transmission shaft (43)
Surely there is driving wheel one (45), driving wheel two (46), driving wheel one (45) and biography are fixed on the output shaft of the motor three (44)
Coiling has a transmission belt one (47) on driving wheel two (46), and the outer diameter ratio of the driving wheel one (45) and driving wheel two (46) is 1:5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821381344.1U CN208744528U (en) | 2018-08-24 | 2018-08-24 | A kind of adjustable straight-tube inner wall-burnishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821381344.1U CN208744528U (en) | 2018-08-24 | 2018-08-24 | A kind of adjustable straight-tube inner wall-burnishing machine |
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| Publication Number | Publication Date |
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| CN208744528U true CN208744528U (en) | 2019-04-16 |
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ID=66081199
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| CN201821381344.1U Active CN208744528U (en) | 2018-08-24 | 2018-08-24 | A kind of adjustable straight-tube inner wall-burnishing machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370142A (en) * | 2019-07-12 | 2019-10-25 | 焦新建 | A kind of hydraulic engineering pipeline derusting device |
| CN112917163A (en) * | 2021-01-28 | 2021-06-08 | 无锡市索琦设备制造有限公司 | Numerical control cutting tumbling mill |
| CN113001389A (en) * | 2021-03-18 | 2021-06-22 | 扬州大学 | Modular pipe fitting internal surface polishing grinding device |
| CN113235713A (en) * | 2021-06-18 | 2021-08-10 | 许会 | Sewage pipeline with self-cleaning function |
| CN113664644A (en) * | 2021-09-06 | 2021-11-19 | 徐州方隆工程机械有限公司 | Deburring device for mechanical part production |
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2018
- 2018-08-24 CN CN201821381344.1U patent/CN208744528U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370142A (en) * | 2019-07-12 | 2019-10-25 | 焦新建 | A kind of hydraulic engineering pipeline derusting device |
| CN112917163A (en) * | 2021-01-28 | 2021-06-08 | 无锡市索琦设备制造有限公司 | Numerical control cutting tumbling mill |
| CN112917163B (en) * | 2021-01-28 | 2023-01-17 | 无锡市索琦设备制造有限公司 | Numerical control cutting tumbling mill |
| CN113001389A (en) * | 2021-03-18 | 2021-06-22 | 扬州大学 | Modular pipe fitting internal surface polishing grinding device |
| CN113235713A (en) * | 2021-06-18 | 2021-08-10 | 许会 | Sewage pipeline with self-cleaning function |
| CN113664644A (en) * | 2021-09-06 | 2021-11-19 | 徐州方隆工程机械有限公司 | Deburring device for mechanical part production |
| CN113664644B (en) * | 2021-09-06 | 2022-12-09 | 南阳巨力机械有限公司 | Deburring device for mechanical part production |
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