CN112609322B - Special driver plate sliding block for rotary three-dimensional weaving device - Google Patents
Special driver plate sliding block for rotary three-dimensional weaving device Download PDFInfo
- Publication number
- CN112609322B CN112609322B CN202110030945.8A CN202110030945A CN112609322B CN 112609322 B CN112609322 B CN 112609322B CN 202110030945 A CN202110030945 A CN 202110030945A CN 112609322 B CN112609322 B CN 112609322B
- Authority
- CN
- China
- Prior art keywords
- sliding block
- slider
- groove
- bearing
- upper cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C3/00—Braiding or lacing machines
- D04C3/02—Braiding or lacing machines with spool carriers guided by track plates or by bobbin heads exclusively
- D04C3/14—Spool carriers
- D04C3/18—Spool carriers for vertical spools
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
A driver plate sliding block special for a rotary three-dimensional weaving device relates to the field of three-dimensional weaving devices and comprises a sliding block base, a sliding block upper cover and a yarn shaft connecting clamp, wherein the sliding block is fixedly connected with the sliding block base, the sliding block upper cover is arranged above the sliding block, and the yarn shaft connecting clamp is arranged on the sliding block upper cover; the slider has the up side, the downside, the leading flank, the trailing flank, left surface and right flank, it is parallel to go up side and downside each other, be equipped with four at least bearing mounting grooves on its characterized in that slider, two at least bearing mounting grooves set up in slider leading flank department, two at least bearing mounting grooves set up in slider trailing flank department, be equipped with the erection column in the bearing mounting groove, but install free rotation's antifriction bearing on the erection column, antifriction bearing's inner circle is connected with the erection column, antifriction bearing's outer lane salient slider leading flank or slider trailing flank. The invention has the advantages of simple and stable structure, small volume, low processing cost, smooth operation, difficult blockage, high weaving quality and the like.
Description
Technical Field
The invention relates to the field of three-dimensional weaving devices, in particular to a special sliding block for a rotary three-dimensional weaving device, which has the advantages of simple and stable structure, small volume, low processing cost, smooth operation, difficult blockage and high weaving quality.
Background
Three-dimensional weaving is a new technology developed in the 60's of the 20 th century, and is developed to overcome the inherent disadvantage of the conventional two-dimensional woven molding material, i.e., the easy delamination after stress. The three-dimensional weaving is to increase axial yarns on the basis of two-dimensional weaving so as to weave an integral three-dimensional fabric. In contrast to laminated composites, three-dimensional woven composites have a completely monolithic, non-layered structure and can be used to make structural and high-function parts. The three-dimensional braided composite material is prepared by weaving reinforced fibers into a three-dimensional integral fabric by utilizing a braiding technology and compounding the three-dimensional integral fabric with a matrix (comprising resin, carbon, silicon carbide, metal and the like) so as to prepare a composite material part, so that the problem of insufficient interlayer bonding force does not exist in the three-dimensional braided composite material part, and the three-dimensional braided composite material has wide application in aerospace structural parts, friction parts, aerospace ablation-resistant parts and new energy automobiles. The key of the three-dimensional knitting technology is a three-dimensional knitting machine, and the current three-dimensional knitting machines are divided into a vertical and horizontal stepping knitting machine and a rotary knitting machine. The vertical rotary braiding machine is a braiding machine with high efficiency and low cost at present, a key component of the current rotary three-dimensional braiding machine is a driving plate sliding block, the driving plate sliding block special for the current rotary three-dimensional braiding device comprises a sliding block base, a sliding block upper cover and a yarn shaft connecting clamp, the sliding block is arranged above the middle part of the sliding block base, the sliding block upper cover is arranged above the sliding block, and the yarn shaft connecting clamp is arranged on the sliding block upper cover. Due to the gravity of the driving plate sliding block, the manufacturing (size) error of each part of the rotary three-dimensional knitting machine and the reserved clearance between each relative running part, the driving plate sliding block of the vertical rotary knitting machine is easy to have the phenomena of mechanical clamping and motor desynchronizing during the working process, and has the defects of poor knitting quality, shutdown, damage to the knitting machine and the like. The horizontal rotary braiding machine has the problems that mechanical clamping and motor step-out phenomena easily occur during working of the driving plate sliding block due to (size) errors generated during manufacturing of all parts and gaps reserved between all relative running parts, the braiding quality is poor, and shutdown and damage to the braiding machine are seriously caused.
The application numbers are: JP04105426, publication (bulletin) No.: JP06025955A, name: the driving method of the three-dimensional knitting machine discloses a working method of a rotary knitting machine in the prior art, wherein a carrier 3 is a driving plate slider disclosed in the invention, and the application number 201710379954.1 disclosed by the national intellectual property office is as follows: in the patent document of the closed annular tubular textile knitting machine and the knitting method thereof, as can be seen from the drawing, the knitting machine is also a rotary three-dimensional knitting machine, and the part for driving the yarn spool to move is the driving plate sliding block in the invention. The dial slider has the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides the special sliding block for the rotary three-dimensional weaving device, which has the advantages of simple and stable structure, small volume, low processing cost, smooth operation, difficult blockage and high weaving quality.
The technical scheme adopted by the invention for solving the defects of the prior art is as follows:
a special driver plate sliding block for a rotary three-dimensional weaving device comprises a sliding block base, a sliding block upper cover and a yarn shaft connecting clamp, wherein the sliding block is fixedly connected with the sliding block base; the slider has the up side, the downside, the leading flank, the trailing flank, left surface and right flank, it is parallel to each other to go up side and downside, be equipped with four at least bearing mounting grooves on its characterized in that slider, two at least bearing mounting grooves set up in slider leading flank department, two at least bearing mounting grooves set up in slider trailing flank department, be equipped with the erection column in the bearing mounting groove, but install free rotation's antifriction bearing on the erection column, antifriction bearing's inner circle is connected with the erection column, antifriction bearing's outer lane salient slider leading flank or slider trailing flank.
A left bearing installation through groove and a right bearing installation through groove are symmetrically arranged on the left side and the right side of the sliding block, the left bearing installation through groove and the right bearing installation through groove are respectively equivalent to two bearing installation grooves, a left front installation column and a left rear installation column are arranged between a sliding block base and a sliding block upper cover in the left bearing installation through groove, a left front rolling bearing with an outer ring protruding out of the front side face of the sliding block is arranged on the left front installation column, and a left rear rolling bearing with an outer ring protruding out of the rear side face of the sliding block is arranged on the left rear installation column; a right front mounting column and a right rear mounting column are arranged between the sliding block base and the sliding block upper cover in the right bearing installation through groove, a right front rolling bearing with an outer ring protruding out of the front side face of the sliding block is arranged on the right front mounting column, and a right rear rolling bearing with an outer ring protruding out of the rear side face of the sliding block is arranged on the right rear mounting column. The left front rolling bearing, the left rear rolling bearing, the right front rolling bearing and the right rear rolling bearing are symmetrical with the center line of the left and right directions of the sliding block in the left and right directions of the sliding block, the left front rolling bearing, the right front rolling bearing, the left rear rolling bearing and the right rear rolling bearing are symmetrical with the center line of the front and rear directions of the sliding block in the front and rear directions of the sliding block, the sliding block runs more stably, the sliding block is not easy to be clamped, rolling friction and friction force between the driving plate and the sliding block are small, the capacity of the driving plate for carrying the sliding block of the driving plate is improved, the sliding block can be installed in each driving sliding groove, and production efficiency is improved.
In the invention, connecting pin mounting holes are formed in the positions, opposite to the mounting columns, of the sliding block base and the sliding block upper cover, connecting pins for fixedly connecting the sliding block base and the sliding block upper cover are arranged in the connecting pin mounting holes, and the connecting pins between the sliding block base and the sliding block upper cover are the mounting columns. Simple structure and low processing difficulty.
A left positioning bulge and a right positioning bulge are arranged on the upper cover of the sliding block, opposite to the left bearing installation through groove and the right bearing installation through groove, the left positioning bulge is positioned in the left bearing installation through groove, and the right positioning bulge is positioned in the right bearing installation through groove. The sliding block upper cover and the sliding block are not easy to slide left and right, and the structure is more stable.
The outer ring of the rolling bearing disclosed by the invention protrudes out of the front side surface of the sliding block or the rear side surface of the sliding block by 0.5-2mm, and preferably 1-1.5 mm.
The shape of the slide block is the same as that of the special dial slide block for the rotary three-dimensional knitting device in the prior art. The front side and the back side are cambered surfaces matched with the side walls of the driving sliding grooves between two driving plates or between one driving plate and the shell of the rotary three-dimensional knitting device.
The yarn shaft connecting clamp is characterized in that a cylindrical inserting seat is arranged on an upper cover of a sliding block, and a locking screw hole is formed in the side wall of the inserting seat. The lower end of the yarn spool is inserted into the plug socket, the locking bolt is screwed into the locking screw hole and abuts against the lower end of the yarn spool to fixedly connect the yarn spool with the plug socket. Two semicircular clamping plates which are oppositely arranged are arranged on the upper end face of the plug socket, and play a role in pre-clamping the lower part of the yarn shaft.
When the dial plate type three-dimensional knitting device is used, the dial plate sliding block is installed in a matching mode with the dial plate of the rotary type three-dimensional knitting device, the sliding block is installed in a driving sliding groove between two dial plates or between one dial plate and a shell (where the dial plate is installed) of the rotary type three-dimensional knitting device, the sliding block base and the sliding block upper cover are respectively located on the front side and the rear side of the dial plate, the sliding block and the rolling bearing are matched with the side wall of the driving sliding groove of the dial plate or the side wall of the driving sliding groove on the dial plate and the shell to operate, the sliding block is in clearance fit with the side wall of the driving sliding groove of the dial plate or the side wall of the driving sliding groove on the dial plate and the shell, and the rolling bearing is tightly attached to the side wall of the driving sliding groove on the dial plate and the side wall of the driving sliding groove on the shell. The yarn shaft connecting clamp is used for connecting the yarn shaft; the driving plate can drive the sliding block to move in different driving sliding grooves so as to drive the yarn shaft to move and finish three-dimensional weaving. The rolling bearing is tightly attached to the side wall of the drive plate or the side wall of the shell and is abutted to bear force, so that the sliding block can be always kept in a position capable of perfectly running, the rolling bearing can rotate around the mounting column, the blocking of the sliding block of the drive plate cannot be caused, the downward position of the sliding block cannot be caused due to the self gravity and the rotation clearance, and the problems that the drive plate can be blocked and cannot move under the condition that no clearance exists between the sliding block and the drive plate can be solved. The invention can also be used in the horizontal three-dimensional knitting machine because the horizontal three-dimensional knitting machine also has the problem of rotating clearance. The invention has small volume, low cost and high universality, can be widely applied to the rotary three-dimensional knitting machine, reduces mechanical blockage caused by the slide block, reduces the maintenance and repair cost, and improves the production efficiency and the product quality.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic top view of the structure of fig. 1.
Fig. 3 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Fig. 4 is a sectional view B-B of fig. 1.
Fig. 5 is a cross-sectional view C-C of fig. 2.
Detailed Description
The special dial slide block for the rotary three-dimensional weaving device shown in fig. 1-5 comprises a slide block base 7, a slide block 6, a slide block upper cover 4 and a yarn shaft connecting clamp, wherein the slide block 6 is fixedly connected with the slide block base 7, in the embodiment, the slide block 6 is arranged in the middle of the upper side of the slide block base 7 and is integrally formed with the slide block base 7, the slide block upper cover 4 is arranged above the slide block 6, the slide block upper cover 4 is fixedly connected with the slide block, the yarn shaft connecting clamp is arranged on the slide block upper cover 4, as can be seen from the figure, the yarn shaft connecting clamp is that a cylindrical plug socket 3 is arranged on the slide block upper cover 4, and a locking screw hole 2 is arranged on the side wall of the plug socket 3; the lower end of the yarn shaft is inserted into the plug socket 3, the locking screw hole 2 is internally screwed with a locking bolt, and the locking bolt is propped against the lower end of the yarn shaft to fixedly connect the yarn shaft with the plug socket; two semicircular clamping plates 1 which are oppositely arranged are arranged on the upper end face of the plug socket 3, and the two semicircular clamping plates 1 play a role in pre-clamping the lower part of the yarn shaft. The slider 6 has an upper side, a lower side, a front side 11, a rear side 14, a left side and a right side, the upper side and the lower side are parallel to each other, the front side 11 and the rear side 14 are arc main sides in contact fit with the dial, and the left side and the right side are excessive arc surfaces. At least four bearing mounting grooves are formed in the sliding block 6, the at least two bearing mounting grooves are arranged at the 11 position of the front side face of the sliding block in a bilateral symmetry mode of a sliding block central line, the at least two bearing mounting grooves are arranged at the 14 position of the rear side face of the sliding block in a bilateral symmetry mode of the sliding block central line, mounting columns are arranged in the bearing mounting grooves, rolling bearings capable of rotating freely are mounted on the mounting columns, inner rings of the rolling bearings are connected with the mounting columns, and outer rings of the rolling bearings protrude out of the front side face of the sliding block or the rear side face of the sliding block. As can be seen from fig. 1 and 4, the left and right sides of the slider 6 are symmetrically provided with a left bearing installation through groove 15 and a right bearing installation through groove 12 with respect to the center line of the slider in the left-right direction, the left bearing installation through groove 15 and the right bearing installation through groove 12 are respectively equivalent to two bearing installation grooves, a left front installation column and a left rear installation column are arranged between the slider base and the slider upper cover in the left bearing installation through groove 15, the left front installation column is provided with a left front rolling bearing 10 with an outer ring protruding out of the front side surface 11 of the slider, and the left rear installation column is provided with a left rear rolling bearing 8 with an outer ring protruding out of the rear side surface 14 of the slider; a right front mounting column and a right rear mounting column 9 are arranged between the slider base and the slider upper cover in the right bearing installation through groove 12, a right front rolling bearing 13 with an outer ring protruding out of the front side surface 11 of the slider is arranged on the right front mounting column, and a right rear rolling bearing 5 with an outer ring protruding out of the rear side surface 14 of the slider is arranged on the right rear mounting column 9. The left front rolling bearing, the left rear rolling bearing, the right front rolling bearing and the right rear rolling bearing are symmetrical with the center line of the sliding block in the left-right direction, and the left front rolling bearing, the right front rolling bearing, the left rear rolling bearing and the right rear rolling bearing are symmetrical with the center line of the sliding block in the front-back direction, so that the sliding block runs more stably and is not easy to be clamped.
The invention further improves, the slide block base and the slide block upper cover are provided with connecting pin mounting holes opposite to the mounting posts, the connecting pin mounting holes are internally provided with connecting pins for fixedly connecting the slide block base and the slide block upper cover, and the connecting pins between the slide block base and the slide block upper cover are the mounting posts; simple structure and low processing difficulty. A left positioning bulge and a right positioning bulge 16 are arranged on the upper cover of the sliding block at the positions opposite to the left bearing installation through groove and the right bearing installation through groove, the left positioning bulge is positioned in the left bearing installation through groove, and the right positioning bulge 16 is positioned in the right bearing installation through groove; the sliding block upper cover and the sliding block are not easy to slide left and right, and the structure is more stable. The outer ring of the rolling bearing protrudes out of the front side surface of the sliding block or the back side surface of the sliding block by 0.5-3mm, preferably 1-2 mm. The shape of the slide block is the same as that of the special dial slide block for the rotary three-dimensional knitting device in the prior art. The front side and the back side are cambered surfaces matched with the side walls of the driving sliding grooves between two driving plates or between one driving plate and the shell of the rotary three-dimensional knitting device.
The method adopts a 3D printing forming mode to manufacture the upper cover and the base of the sliding block; the sliding rolling bearing is used for propping against an adjacent driving plate, so that the sliding block is always kept in a position capable of perfectly operating.
When the dial plate type three-dimensional knitting device is used, the dial plate sliding block is matched with the dial plate of the rotary type three-dimensional knitting device, the sliding block is arranged in a driving sliding groove between two dial plates of the rotary type three-dimensional knitting device or between one dial plate and a shell (provided with the dial plate), the sliding block base and the sliding block upper cover are respectively positioned at the front side and the rear side of the dial plate, the sliding block and the rolling bearing are matched with the side wall of the driving sliding groove of the dial plate or the side wall of the driving sliding groove on the dial plate and the shell to operate, the sliding block is in clearance fit with the side wall of the driving sliding groove of the dial plate or the side wall of the driving sliding groove on the dial plate and the shell, and the rolling bearing is tightly attached to the side wall of the driving sliding groove on the dial plate or the side wall of the driving sliding groove on the shell. The yarn shaft connecting clamp is used for connecting the yarn shaft; the driving plate can drive the sliding block to move in different driving sliding grooves so as to drive the yarn shaft to move and finish three-dimensional weaving. The rolling bearing is tightly attached to the side wall of the drive plate or the side wall of the shell and is abutted and stressed, so that the sliding block can be always kept in a position capable of perfectly running, the rolling bearing can rotate around the mounting column, the blocking of the sliding block of the drive plate cannot be caused, the downward position of the sliding block cannot be caused due to the self gravity and the rotation gap, and the problems that the drive plate can be blocked and the drive plate cannot move under the condition that no gap exists between the sliding block and the drive plate can be solved. The invention can also be used in the horizontal three-dimensional knitting machine because the horizontal three-dimensional knitting machine also has the problem of rotating clearance. The invention has small volume, low cost and high universality, can be widely applied to the rotary three-dimensional knitting machine, reduces mechanical blockage caused by the slide block, reduces the maintenance and repair cost, and improves the production efficiency and the product quality.
The invention adopts a method of placing at least 4 rolling bearings to support the side wall of the drive plate, and can well stabilize the slide block in the drive chute formed by two adjacent drive plates. The slide block can not be downward due to self gravity and a rotation gap, and the condition that the drive plate cannot move when no gap is formed between the slide block and the drive plate and the contact is too high is prevented.
Claims (5)
1. A special driver plate sliding block for a rotary three-dimensional weaving device comprises a sliding block base, a sliding block upper cover and a yarn shaft connecting clamp, wherein the sliding block is fixedly connected with the sliding block base; the slider is provided with an upper side surface, a lower side surface, a front side surface, a rear side surface, a left side surface and a right side surface, and the upper side surface and the lower side surface are parallel to each other, and the slider is characterized in that the slider is provided with at least four bearing mounting grooves, at least two bearing mounting grooves are arranged at the front side surface of the slider, at least two bearing mounting grooves are arranged at the rear side surface of the slider, a mounting column is arranged in each bearing mounting groove, a rolling bearing capable of freely rotating is mounted on each mounting column, an inner ring of each rolling bearing is connected with the mounting column, an outer ring of each rolling bearing mounted in each bearing mounting groove at the front side surface of the slider protrudes out of the front side surface of the slider by 0.5-3mm, and an outer ring of each rolling bearing mounted in each bearing mounting groove at the rear side surface of the slider protrudes out of the rear side surface of the slider by 0.5-3mm; when the dial-type three-dimensional knitting device is used, the dial plate sliding block is installed in a matching mode with the dial plate of the rotary three-dimensional knitting device, the sliding block is installed in a driving sliding groove between two dial plates or between one dial plate and the shell of the rotary three-dimensional knitting device, the sliding block base and the sliding block upper cover are located on the upper side and the lower side of the dial plate respectively, the sliding block and the rolling bearing are in matched operation with the side wall of the driving sliding groove of the dial plate or in matched operation with the side wall of the driving sliding groove on the dial plate and the shell, the sliding block is in clearance fit with the side wall of the driving sliding groove of the dial plate or in clearance fit with the side wall of the driving sliding groove on the dial plate and the shell, and the rolling bearing is tightly attached to the side wall of the driving sliding groove on the dial plate and the shell.
2. The special dial plate slider for the rotary three-dimensional knitting device according to claim 1, wherein a left bearing installation through groove and a right bearing installation through groove are symmetrically formed on the left and right sides of the slider, the left bearing installation through groove and the right bearing installation through groove correspond to two bearing installation grooves, respectively, a left front installation column and a left rear installation column are arranged between a slider base and a slider upper cover in the left bearing installation through groove, a left front rolling bearing with an outer ring protruding out of the front side surface of the slider is arranged on the left front installation column, and a left rear rolling bearing with an outer ring protruding out of the rear side surface of the slider is arranged on the left rear installation column; a right front mounting column and a right rear mounting column are arranged between the sliding block base and the sliding block upper cover in the right bearing installation through groove, a right front rolling bearing with an outer ring protruding out of the front side face of the sliding block is arranged on the right front mounting column, and a right rear rolling bearing with an outer ring protruding out of the rear side face of the sliding block is arranged on the right rear mounting column.
3. The dial slide for rotary three-dimensional knitting machine as claimed in claim 1, wherein the base and the cover have a pin hole opposite to the pin hole, a pin is fixed in the pin hole to connect the base and the cover, and the pin is the pin hole.
4. The dial plate slider specially used for the rotary three-dimensional braiding device according to claim 2, wherein a left positioning protrusion is provided on the upper cover of the slider corresponding to the left bearing installation through groove, and a right positioning protrusion is provided on the upper cover of the slider corresponding to the right bearing installation through groove; the left positioning bulge is positioned in the left bearing installation through groove, and the right positioning bulge is positioned in the right bearing installation through groove.
5. The dial slide block for the rotary three-dimensional knitting device as claimed in claim 4, wherein the yarn shaft connecting clip is a cylindrical socket on the upper cover of the slide block, and the side wall of the socket is provided with a locking screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110030945.8A CN112609322B (en) | 2021-01-11 | 2021-01-11 | Special driver plate sliding block for rotary three-dimensional weaving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110030945.8A CN112609322B (en) | 2021-01-11 | 2021-01-11 | Special driver plate sliding block for rotary three-dimensional weaving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112609322A CN112609322A (en) | 2021-04-06 |
| CN112609322B true CN112609322B (en) | 2023-01-31 |
Family
ID=75253843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110030945.8A Active CN112609322B (en) | 2021-01-11 | 2021-01-11 | Special driver plate sliding block for rotary three-dimensional weaving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112609322B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2526339Y (en) * | 2001-12-26 | 2002-12-18 | 陈妙翰 | Running seat for braider |
| CN102182008B (en) * | 2011-04-27 | 2013-04-17 | 东华大学 | Double-rotary-disk type braiding machine |
| JP6238678B2 (en) * | 2013-10-18 | 2017-11-29 | 株式会社市川鉄工 | Yarn supply device for torsion lace machine |
| CN207295097U (en) * | 2017-09-29 | 2018-05-01 | 青岛中亿伟业机械制造有限公司 | A kind of outer spindle arrestment mechanism of braider |
-
2021
- 2021-01-11 CN CN202110030945.8A patent/CN112609322B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112609322A (en) | 2021-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112609322B (en) | Special driver plate sliding block for rotary three-dimensional weaving device | |
| CN113046915B (en) | Digital multi-axial horizontal yarn releasing three-dimensional weaving device and weaving method | |
| CN104723791A (en) | Combined Mecanum wheel hub | |
| US20100254814A1 (en) | Pelton turbine wheel, method for making same and pelton turbine including such wheel | |
| CN204075770U (en) | Simulation Based On Multi-step part processing clamping device | |
| CN111790774A (en) | Roll changing base of multi-line hole type section steel straightening machine | |
| CN101804571B (en) | Bracket milling bottom surface and drilling mechanism | |
| CN112628260A (en) | Multipurpose quick-change positioning device with limiting function | |
| CN111810438A (en) | Improved generation is quick location footstep bearing for immersible pump | |
| CN201264203Y (en) | Quick-dismantling and quick-changing device of polishing wheel | |
| CN112609323B (en) | Special driver plate sliding block for rotary three-dimensional weaving device | |
| CN103358248B (en) | A kind of to folder fixture | |
| CN209775278U (en) | Quick bottom die changing device | |
| CN221158235U (en) | Wear-resisting structure of rotary connecting piece of hot spinning machine | |
| CN210196264U (en) | Thrust bearing tile block | |
| CN209506968U (en) | Balance wheel modularization sorter | |
| CN220050135U (en) | Angle steel drilling device | |
| CN109677999B (en) | Automatic circulation rail transfer box for winding machine | |
| CN216519144U (en) | Quick-change high-wear-resistance mandrel | |
| CN2911333Y (en) | Combined herringbone gear | |
| CN214521540U (en) | Rotary disc rotating shaft structure | |
| CN211564376U (en) | Anti-rotation mechanism for slide bar of swing bucker | |
| CN104944072B (en) | A kind of refrigerator foaming automatic assembly line servicing unit | |
| CN215789271U (en) | Pneumatic locking device for lamp holder of energy-saving lamp | |
| CN204013155U (en) | The stator fixing apparatus of outer-rotor structure permanent magnetic synchronous traction machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |