CN113399576A - Stamping manipulator is fast translation axle structure doubly - Google Patents
Stamping manipulator is fast translation axle structure doubly Download PDFInfo
- Publication number
- CN113399576A CN113399576A CN202110671855.7A CN202110671855A CN113399576A CN 113399576 A CN113399576 A CN 113399576A CN 202110671855 A CN202110671855 A CN 202110671855A CN 113399576 A CN113399576 A CN 113399576A
- Authority
- CN
- China
- Prior art keywords
- plate
- rotating
- double
- translation
- speed
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/11—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers for feeding sheet or strip material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/18—Advancing work in relation to the stroke of the die or tool by means in pneumatic or magnetic engagement with the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The invention relates to a double-speed translation shaft structure of a stamping manipulator, which comprises a mounting frame, wherein a power mechanism is arranged on the mounting frame, a translation mechanism is arranged on the outer wall of one side of the power mechanism and is connected with the output end of the power mechanism, a moving mechanism is arranged on the side wall of the translation mechanism, a first rotating belt is sleeved on the moving mechanism, a connecting mechanism is fixedly arranged on the first rotating belt, a moving plate is arranged on one side of the connecting mechanism, an engagement mechanism is fixedly arranged on one side of the mounting frame, the engagement mechanism is fixedly arranged on one side of the mounting frame, a rack at the bottom of the engagement plate is engaged with the belt through a servo motor, an engagement plate and a fixed block, so that the engagement plate and the fixed block are engaged and fixed with the belt, the moving speed of the moving plate is twice the moving speed of the moving frame, the double-speed, the processing quality is ensured while the processing speed of the product is improved.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a double-speed translation shaft structure of a stamping manipulator.
Background
The stamping manipulator is a device which is specially developed for realizing stamping automatic unmanned production on the basis of automatic equipment according to stamping production characteristics, can replace manual work to carry out material stamping, carrying, loading and unloading and other work on each stamping station, and the efficiency of the whole production line reaches 5 seconds.
The most outstanding characteristics of punching press manipulator servo drive system are that, the motor is direct and eccentric crank gear interconnect, because the rotational speed of motor can be adjusted wantonly to can adjust crank mechanism's velocity of motion wantonly, accelerate or slow down stamping speed wantonly, present punching press manipulator operation in-process is unstable, does not possess a servo motor and realizes the effect of doubly fast, and product process velocity remains to be promoted, needs improve.
Disclosure of Invention
The invention aims to provide a speed-multiplying translation shaft structure of a stamping manipulator, and aims to solve the problems that the existing stamping manipulator is unstable in the operation process and does not have the speed-multiplying effect of a servo motor in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multiple fast translation axle construction of stamping manipulator, includes the mounting bracket, be provided with power unit on the mounting bracket, be provided with translation mechanism on one side outer wall of power unit, just translation mechanism with power unit's output is connected, install moving mechanism on translation mechanism's the lateral wall, the last cover of moving mechanism is equipped with first rotation belt, fixed mounting has coupling mechanism on the first rotation belt, the movable plate is installed to one side of coupling mechanism, one side fixed mounting of mounting bracket has interlock mechanism, interlock mechanism with first rotation belt interlock mutually, be provided with the manipulator on the lateral wall of movable plate.
Preferably, the power mechanism comprises a servo motor, a first rotating wheel, a second rotating wheel, a third rotating wheel and a second rotating belt, the output end of the servo motor is fixedly connected with the first rotating wheel, the inner wall of the top of the mounting frame is respectively connected with the third rotating wheel and the second rotating wheel through bearings, and the side wall of the first rotating wheel is connected with the second rotating belt.
Preferably, translation mechanism includes joint frame, removal frame and fixed plate, remove the frame with joint frame looks joint, the fixed plate is located remove on the lateral wall of frame.
Preferably, a protective shell is arranged outside the servo motor and fixedly connected with the mounting frame.
Preferably, the moving mechanism comprises a connecting block, a bearing, a rotating shaft, a first rotating disc and a second rotating disc, the bearing is located inside the connecting block, one end of the rotating shaft is connected with the inner ring of the bearing, and the first rotating disc and the second rotating disc are located at one end of the rotating shaft respectively.
Preferably, the connecting mechanism comprises a first rectangular plate, a fixing screw and a second rectangular plate, and the first rectangular plate is connected with the second rectangular plate through the fixing screw.
Preferably, the engagement mechanism comprises an engagement plate, a fixed block and a connecting plate, the connecting plate is located on the outer wall of the bottom of the fixed block, and the engagement plate is located right above the fixed block.
Preferably, the fixed block is connected with the bite plate through a screw, and a rack is arranged on the outer wall of the bottom of the bite plate.
Preferably, the double-speed translation shaft structure of the stamping manipulator according to the claim is characterized in that: the mounting bracket is L-shaped.
The invention has the technical effects and advantages that:
1. through servo motor, interlock board and the fixed block that sets up, the rack interlock belt of interlock board bottom makes interlock board and fixed block carry out the interlock to the belt fixed, makes movable plate and manipulator translation speed be the twice of removal frame translation speed, and the effect of the translation of two times speed is realized to the accuracy, compares in two traditional servo motor drives, low in manufacturing cost, and speed control is comparatively accurate, has guaranteed processingquality when promoting product machining speed.
2. Through the removal frame and the joint frame that set up, when removing the frame and removing the joint frame, the joint frame plays limiting displacement, promotes the stability that the movable plate removed to it is better to have played the repacking and put operation in-process stability.
3. The device manufacturing cost is lower, and degree of automation is high, and the security performance promotes, and the staff's of being convenient for operation uses manpower sparingly labour cost, effectively promotes the quality of product processing.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a rear view of the three-dimensional structure of the present invention.
FIG. 3 is a schematic view of a planar structure according to the present invention.
Fig. 4 is a schematic view of a three-dimensional structure of the power mechanism and the moving mechanism according to the present invention.
FIG. 5 is an enlarged view of the structure of the present invention at A.
FIG. 6 is an enlarged view of the structure of the present invention at B.
In the figure: 1. a mounting frame; 2. a power mechanism; 201. a servo motor; 202. a first rotating wheel; 203. a second rotating wheel; 204. a third rotating wheel; 205. a second rotating belt; 3. a translation mechanism; 301. clamping the frame; 302. a movable frame; 303. a fixing plate; 4. a moving mechanism; 401. connecting blocks; 402. a bearing; 403. a rotating shaft; 404. a first turntable; 405. a second turntable; 5. a connecting mechanism; 501. a first rectangular plate; 502. a set screw; 503. a second rectangular plate; 6. an engagement mechanism; 601. a bite plate; 602. a fixed block; 603. a connecting plate; 7. a first rotating belt; 8. moving the plate; 9. a protective shell; 10. a robot arm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a double-speed translation shaft structure of a stamping manipulator as shown in figures 1-6, which comprises an installation frame 1, wherein the installation frame 1 is L-shaped, the device is installed at a use position through the installation frame 1, a power mechanism 2 is arranged on the installation frame 1, a translation mechanism 3 is arranged on the outer wall of one side of the power mechanism 2, the translation mechanism 3 is connected with the output end of the power mechanism 2, a moving mechanism 4 is arranged on the side wall of the translation mechanism 3, a first rotating belt 7 is sleeved on the moving mechanism 4, a connecting mechanism 5 is fixedly installed on the first rotating belt 7, a moving plate 8 is installed on one side of the connecting mechanism 5, the connecting mechanism 5 and the moving plate 8 move left and right through the first rotating belt 7, an occlusion mechanism 6 is fixedly installed on one side of the installation frame 1, the occlusion mechanism 6 is occluded with the first rotating belt 7, the occlusion mechanism 6 is fixed with the installation frame 1, the occluding mechanism 6 occludes the belt to prevent the first rotating belt 7 from rotating, and a manipulator 10 is arranged on the side wall of the moving plate 8.
In this embodiment, the power mechanism 2 includes a servo motor 201, a first rotating wheel 202, a second rotating wheel 203, a third rotating wheel 204 and a second rotating belt 205, an output end of the servo motor 201 is fixedly connected to the first rotating wheel 202, an inner wall of a top portion of the mounting frame 1 is respectively connected to the third rotating wheel 203 and the second rotating wheel 202 through bearings, a side wall of the first rotating wheel 202 is connected to the second rotating belt 205, the translation mechanism 3 includes a clamping frame 301, a moving frame 302 and a fixing plate 303, the moving frame 302 is clamped to the clamping frame 301, the fixing plate 303 is located on a side wall of the moving frame 302, the fixing plate 303 fixes one end of the second rotating belt 205 to the moving frame 302, the output end of the servo motor 201 drives the first rotating wheel 202 to rotate through the second rotating belt 205, so that the moving frame 302 moves left and right through the clamping frame 301, the outside of servo motor 201 is provided with protecting crust 9, and protecting crust 9 plays the effect of protection servo motor 201, and protecting crust 9 and mounting bracket 1 fixed connection.
In this embodiment, the moving mechanism 4 includes a connecting block 401, a bearing 402, a rotating shaft 403, a first rotating disc 404 and a second rotating disc 405, the bearing 402 is located inside the connecting block 401, one end of the rotating shaft 403 is connected to an inner ring of the bearing 402, the first rotating disc 404 and the second rotating disc 406 are located at one end of the rotating shaft 403, respectively, the connecting mechanism 5 includes a first rectangular plate 501, a fixing screw 502 and a second rectangular plate 503, the first rectangular plate 501 and the second rectangular plate 503 are connected by the fixing screw 502, the rotating shaft 403 rotates through the bearing 402 to drive the first rotating disc 404 and the second rotating disc 405 to rotate, so that the first rotating belt 7 drives the first rectangular plate 501, the second rectangular plate 503 and the moving plate 8 and the manipulator 10 to move.
In this embodiment, the engaging mechanism 6 includes an engaging plate 601, a fixing block 602, and a connecting plate 603, the connecting plate 603 is located on the outer wall of the bottom of the fixing block 602, the engaging plate 601 is located directly above the fixing block 602, the fixing block 602 is connected to the engaging plate 601 through a screw, a rack is provided on the outer wall of the bottom of the engaging plate 601, the rack at the bottom of the engaging plate 601 contacts the first rotating belt 7, and is matched with the fixing block 602 and the connecting plate 603 to engage and fix the first rotating belt 7, so as to prevent the first rotating belt 7 from rotating.
The working principle of the invention is as follows: the invention relates to a double-speed translation shaft structure of a stamping manipulator, which comprises the following steps that firstly, a first rotating wheel 202 is driven to rotate through an output end of a servo motor 201, the first rotating wheel 202 drives a second rotating belt 205, and a fixing plate 303 fixes the second rotating belt 205, so that a moving frame 302 moves left and right through a clamping frame 301.
When the moving frame 302 moves, the first rotating belt 7 is fixed by the engagement plate 601 and the fixed block 602, and the first rotating belt 7 drives the first rectangular plate 501, the second rectangular plate 503 and the moving plate 8 to move left and right, so that the moving speed of the moving plate 8 and the manipulator 10 is twice as fast as the moving speed of the moving frame 302.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a multiple fast translation axle structure of stamping manipulator, includes mounting bracket (1), its characterized in that: be provided with power unit (2) on mounting bracket (1), be provided with translation mechanism (3) on one side outer wall of power unit (2), just translation mechanism (3) with the output of power unit (2) is connected, install moving mechanism (4) on the lateral wall of translation mechanism (3), the cover is equipped with on moving mechanism (4) first rotating belt (7), fixed mounting has coupling mechanism (5) on first rotating belt (7), movable plate (8) are installed to one side of coupling mechanism (5), one side fixed mounting of mounting bracket (1) has interlock mechanism (6), interlock mechanism (6) with first rotating belt (7) interlock mutually, be provided with manipulator (10) on the lateral wall of movable plate (8).
2. The double-speed translation shaft structure of the stamping manipulator according to claim 1, wherein: power unit (2) rotate wheel (203), third and rotate wheel (204) and second rotation belt (205) including servo motor (201), first rotation wheel (202), second, the output of servo motor (201) with first rotation wheel (202) fixed connection, on mounting bracket (1) top inner wall respectively through the bearing with third rotation wheel (203) with second rotation wheel (202) is connected, on the lateral wall of first rotation wheel (202) with second rotation belt (205) are connected.
3. The double-speed translation shaft structure of the stamping manipulator as claimed in claim 2, wherein: translation mechanism (3) are including joint frame (301), removal frame (302) and fixed plate (303), remove frame (302) with joint frame (301) looks joint, fixed plate (303) are located on the lateral wall of removing frame (302).
4. The double-speed translation shaft structure of the stamping manipulator as claimed in claim 2, wherein: the outside of servo motor (201) is provided with protecting crust (9), just protecting crust (9) with mounting bracket (1) fixed connection.
5. The double-speed translation shaft structure of the stamping manipulator according to claim 1, wherein: the moving mechanism (4) comprises a connecting block (401), a bearing (402), a rotating shaft (403), a first rotating disc (404) and a second rotating disc (405), wherein the bearing (402) is located inside the connecting block (401), one end of the rotating shaft (403) is connected with an inner ring of the bearing (402), and the first rotating disc (404) and the second rotating disc (406) are located at one end of the rotating shaft (403) respectively.
6. The double-speed translation shaft structure of the stamping manipulator as claimed in claim 5, wherein: the connecting mechanism (5) comprises a first rectangular plate (501), a fixing screw (502) and a second rectangular plate (503), and the first rectangular plate (501) and the second rectangular plate (503) are connected through the fixing screw (502).
7. The double-speed translation shaft structure of the stamping manipulator as claimed in claim 5, wherein: the occlusion mechanism (6) comprises an occlusion plate (601), a fixed block (602) and a connecting plate (603), wherein the connecting plate (603) is located on the outer wall of the bottom of the fixed block (602), and the occlusion plate (601) is located right above the fixed block (602).
8. The double-speed translation shaft structure of the stamping manipulator as claimed in claim 7, wherein: the fixed block (602) is connected with the bite plate (601) through a screw, and a rack is arranged on the outer wall of the bottom of the bite plate (601).
9. The double-speed translation shaft structure of the stamping manipulator according to claim 1, wherein: the mounting rack (1) is L-shaped.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110671855.7A CN113399576A (en) | 2021-06-17 | 2021-06-17 | Stamping manipulator is fast translation axle structure doubly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110671855.7A CN113399576A (en) | 2021-06-17 | 2021-06-17 | Stamping manipulator is fast translation axle structure doubly |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113399576A true CN113399576A (en) | 2021-09-17 |
Family
ID=77684712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110671855.7A Pending CN113399576A (en) | 2021-06-17 | 2021-06-17 | Stamping manipulator is fast translation axle structure doubly |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113399576A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102774612A (en) * | 2012-07-19 | 2012-11-14 | 湖州机床厂有限公司 | Double-speed feeding machine |
CN203401496U (en) * | 2013-06-26 | 2014-01-22 | 广东伯朗特智能装备股份有限公司 | Speed-multiplying mechanical arm device |
CN103659413A (en) * | 2012-09-14 | 2014-03-26 | 珠海格力电器股份有限公司 | Translation mechanism and have its mechanical hand of transplanting |
CN104162887A (en) * | 2014-09-10 | 2014-11-26 | 沈阳众拓机器人设备有限公司 | Four-segment mechanical arm of press |
CN206527743U (en) * | 2017-01-18 | 2017-09-29 | 柳州科瑞科技有限公司 | A kind of mechanical arm of compound transmission |
CN109129454A (en) * | 2018-10-19 | 2019-01-04 | 浙江启成智能科技有限公司 | A kind of double-speed manipulator |
-
2021
- 2021-06-17 CN CN202110671855.7A patent/CN113399576A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102774612A (en) * | 2012-07-19 | 2012-11-14 | 湖州机床厂有限公司 | Double-speed feeding machine |
CN103659413A (en) * | 2012-09-14 | 2014-03-26 | 珠海格力电器股份有限公司 | Translation mechanism and have its mechanical hand of transplanting |
CN203401496U (en) * | 2013-06-26 | 2014-01-22 | 广东伯朗特智能装备股份有限公司 | Speed-multiplying mechanical arm device |
CN104162887A (en) * | 2014-09-10 | 2014-11-26 | 沈阳众拓机器人设备有限公司 | Four-segment mechanical arm of press |
CN206527743U (en) * | 2017-01-18 | 2017-09-29 | 柳州科瑞科技有限公司 | A kind of mechanical arm of compound transmission |
CN109129454A (en) * | 2018-10-19 | 2019-01-04 | 浙江启成智能科技有限公司 | A kind of double-speed manipulator |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN113399576A (en) | Stamping manipulator is fast translation axle structure doubly | |
CN209831759U (en) | Cutting device is used in production of server accessory | |
CN216299223U (en) | Speed reducer casing die-casting back corner cleaning device | |
CN207823746U (en) | A kind of powder metallurgy product punch-forming mold | |
CN213728775U (en) | Machine-building stamping device | |
CN213264233U (en) | Automobile wheel hub conveyor | |
CN210791158U (en) | Cutting device in production process of die for household appliances | |
CN214980441U (en) | Positioning mechanism for mold machining | |
CN218698828U (en) | Novel mechanical arm | |
CN213649226U (en) | Shell embossing device is used in electronic product production | |
CN216913328U (en) | Efficient dust removal environment-friendly outer wall polishing device for hardware housing machining | |
CN220591747U (en) | Sawing machine for cutting and processing casting heads of casting die castings | |
CN216542127U (en) | Servo drive material moving device for numerical control machine tool | |
CN210334797U (en) | Dustless cloth cutting device | |
CN213647597U (en) | Industrial robot mechanical grabbing arm | |
CN213318329U (en) | Fixed bolster of laser machine | |
CN118123580B (en) | Automatic change digit control machine tool with spacing alarm device | |
CN216188998U (en) | Intelligent robot spare part production and processing removes uses switching-over equipment | |
CN216758399U (en) | Cutting device is used in machining product processing | |
CN220162017U (en) | Automatic deburring device for machining center | |
CN215920453U (en) | Transverse moving device for industrial manipulator | |
CN216820537U (en) | Stainless steel rail edge pressing device based on SMT chip mounter | |
CN214603273U (en) | Cutting device of removable blade based on singlechip | |
CN217964469U (en) | Mobile phone shielding cover support stamping die | |
CN215772858U (en) | Stator splitting device for automatic stator splitting 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 | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210917 |