Detection jig for elastic sheet detection device

Abstract

The invention relates to the technical field of automatic assembling devices, in particular to a detection jig for an elastic piece detection device, which comprises a bottom plate, a shell is fixedly arranged on the bottom plate, a top plate is fixedly arranged on the shell, and a discharging device is fixedly arranged on the upper end surface of the top plate. Through the supporting columns arranged on the bottom plate and the anti-skid plates fixedly arranged on the supporting columns, when a worker uses the device, the device is moved to a proper position firstly, the device is started to transport the elastic pieces in the vibration disc of the device through the conveying plate, and the elastic pieces are conveyed through the anti-skid plates; the bidirectional motor is started, the material conveying disc fixedly arranged at the output end of the bidirectional motor is made to rotate, the rotating material conveying disc can move materials placed on the conveying plate through the clamping block arranged at the output end of the material conveying disc, the moving materials can move through the L-shaped plate on the transverse rod, and then the materials are detected through the suction nozzle.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic assembly devices, and particularly to a detection fixture for a shrapnel detection device. Background Art

[0002] Shrapnel is widely used in electrical equipment such as mobile phones and air conditioners. However, due to the special shape of the shrapnel, there are certain difficulties in aspects such as the transmission, picking and placing of materials, placement, and positioning of the shrapnel, making it difficult to detect the shrapnel. In the prior art, manual picking and placing of materials and detection are generally adopted, which not only affects the detection efficiency, but also there are certain manual errors in the detection, the detection effect cannot be guaranteed, and manual operation will cause secondary damage to the shrapnel, affecting its yield.

[0003] After retrieval, the published patent No. CN215728254U discloses a detection fixture for the conduction detection of a speaker chassis with a shrapnel installation function, including a housing, and a fixed base, a shrapnel pressing seat, a workpiece pressing seat, and a detection end seat are arranged in the housing. The fixed base is fixed in the housing, and the shrapnel pressing seat, the workpiece pressing seat, and the detection end seat are all arranged above the fixed base in a liftable manner. A detection probe is arranged in the detection end seat, and the shrapnel pressing seat is provided with two energized metal clips, and the shrapnel to be installed is arranged between the two metal clips.

[0004] The shrapnel detection device is used to detect the size, shape, surface defects, etc. of the shrapnel, and the detection fixture is to ensure the accurate positioning and fixation of the shrapnel during the detection process to improve the detection accuracy and efficiency, and ensure the accurate position of the shrapnel during the detection, which directly affects the overall quality and operation efficiency of the shrapnel. The above-mentioned disclosed device can only complete the detection function of some components through the fixed base, the shrapnel pressing seat, and the workpiece pressing seat. Multiple repeated operations are required for loading and unloading materials. During the repeated loading and unloading process, the clamping device may become loose due to vibration, resulting in the clamping mechanism being unable to effectively fix the shrapnel, causing the shrapnel to move or deform during the detection process, which not only affects the product quality but also causes the detection speed to be slow due to the design of the fixture, and cannot meet the high-efficiency production requirements. Summary of the Invention

[0005] Based on the above problems existing in the prior art, the problem to be solved by the present application is: to provide a detection fixture for a shrapnel detection device, and solve the performance and practicability of the existing shrapnel detection fixture, which cannot meet the high-precision and high-efficiency requirements of modern production.

[0006] The technical solution adopted by the present application to solve its technical problems is: a detection fixture for a shrapnel detection device, including a bottom plate, an outer shell is fixedly arranged on the bottom plate, a top plate is fixedly arranged on the outer shell, and a material feeding device is fixedly arranged on the upper end surface of the top plate;

[0007] The feeding device includes a first bearing plate fixedly arranged on the top plate, and the two first bearing plates are arranged parallel to each other. A cross plate is fixedly arranged on the first bearing plate, a long strip is fixedly arranged on the side wall of the first bearing plate, a cylinder is fixedly arranged at the bottom end of the cross plate, a bearing block is fixedly arranged on the upper end surface of the cross plate, a U-shaped plate is fixedly arranged on the side wall of the bearing block, a clamping plate for positioning the elastic sheet is fixedly arranged on the bearing block, and a clamping device for stably placing the elastic sheet is arranged on the U-shaped plate;

[0008] One end of the bottom plate is fixedly provided with a long plate, four parallel long columns are fixedly arranged on the upper end surface of the long plate, a second bearing plate is fixedly arranged on the long columns, a vibrating disk is fixedly arranged on the second bearing plate, and a conveying mechanism for transporting materials is arranged on the second bearing plate.

[0009] Preferably, four parallel support columns are fixedly arranged on the bottom plate, and anti-slip plates are fixedly arranged at the bottom ends of the support columns.

[0010] Preferably, a support frame is fixedly arranged on the upper end surface of the top plate, a controller is fixedly arranged on the support frame, a plurality of uniformly arranged speed reducers are fixedly arranged on the controller, a transmission rod is fixedly arranged at the output end of each speed reducer, a cross bar is rotatably arranged on the transmission rod, and the cross bar is arranged parallel to the top plate.

[0011] Preferably, an L-shaped plate is fixedly arranged on the cross bar, a fixing plate is fixedly arranged on the L-shaped plate, a suction nozzle is fixedly arranged at the end of the fixing plate, and the suction nozzle is arranged in an arc shape.

[0012] Preferably, a plurality of uniformly arranged connecting plates are fixedly arranged on the top plate, positioning columns are fixedly arranged at the bottom ends of the connecting plates, the other end of the camera is fixedly connected to the top plate, and a camera is fixedly arranged at the upper end of the connecting plate.

[0013] Preferably, the clamping device includes a chuck fixedly arranged between the two U-shaped plates, an extrusion column is slidably arranged on the chuck, the other end of the extrusion column is slidably arranged on the clamping plate, a clamping ring is fixedly arranged on the outer peripheral surface of the extrusion column, a spring is fixedly arranged between the clamping ring and the chuck, and the spring is coaxially arranged with the extrusion column.

[0014] Preferably, one end of the extrusion column facing the clamping plate is inclined.

[0015] Preferably, the conveying mechanism includes a transport plate fixedly arranged on the outer peripheral surface of the vibrating disk. A loading platform is fixedly arranged on the transport plate. A bidirectional motor is fixedly arranged on the loading platform. A material transport disk is fixedly arranged at one end of the bidirectional motor. A clamping block matching the material guiding groove is fixedly arranged on the material transport disk.

[0016] Preferably, a second support is fixedly arranged on the loading platform. A sliding groove is formed in the second support. A sliding plate is slidably arranged on the sliding groove. A cylinder is fixedly arranged on the sliding plate. A pressing plate is fixedly arranged on the cylinder. A detection plate is fixedly arranged on the pressing plate. A guiding plate is fixedly arranged on the sliding plate. An adjusting assembly for controlling one end of the sliding plate is arranged on the loading platform.

[0017] Preferably, the adjusting assembly includes a third support fixedly arranged on the loading platform. A shaft body is rotatably arranged on the third support. A turntable is fixedly arranged at one end of the shaft body. An eccentric column is eccentrically arranged on the turntable. The eccentric column is matched with the guiding plate. Pulley wheels are fixedly arranged on the outer peripheral surfaces of the shaft body and the bidirectional motor, and the two pulley wheels are connected by a belt in a transmission manner.

[0018] The beneficial effect of this application is as follows: A detection fixture for a shrapnel detection device provided in this application realizes that when a worker uses the device, first move the device to a suitable position, start the device to transport the shrapnel in the vibrating disk of the device through the transport plate, start the bidirectional motor and make the material transport disk fixedly arranged at the output end of the bidirectional motor rotate. The rotating material transport disk can move the material placed on the transport plate through the clamping block arranged at the output end of the material transport disk. The moving material can move through the L-shaped plate on the cross bar and be detected by the suction nozzle. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is of the present invention Figure 1 The enlarged structural schematic diagram at position A in;

[0021] Figure 3 It is a schematic side view structure of the present invention;

[0022] Figure 4 It is of the present invention Figure 3 The enlarged structural schematic diagram at position B in;

[0023] Figure 5 It is a schematic diagram of the partial structure of the present invention Figure 1 ;

[0024] Figure 6 Schematic diagram of the local structure of the present invention Figure 2 ;

[0025] Figure 7 For the present invention Figure 6 Enlarged schematic diagram of the structure at position C in

[0026] Figure 8 Schematic diagram of the controller structure of the present invention

[0027] In the figure: 1, bottom plate; 11, support column; 12, anti-slip plate; 13, outer shell; 14, top plate; 2, long plate; 21, long column; 22, second carrier plate; 23, vibrating bowl; 24, transport plate; 241, material guiding groove; 3, support frame; 31, controller; 32, reducer; 33, transmission rod; 34, cross bar; 341, L-shaped plate; 342, fixing plate; 343, suction nozzle; 4, connecting plate; 41, camera; 411, positioning column; 5, loading platform; 51, first bracket; 52, bidirectional motor; 53, material transporting plate; 531, clamping block; 54, pulley; 55, second bracket; 551, sliding groove; 552, sliding plate; 553, cylinder; 5531, pressing plate; 554, detection plate; 555, guiding plate; 56, third bracket; 561, shaft body; 562, turntable; 563, eccentric column; 6, first carrier plate; 61, cross plate; 62, strip; 63, cylinder; 64, bearing block; 641, U-shaped plate; 642, chuck; 643, extrusion column; 6431, snap ring; 644, spring; 7, clamping plate Detailed implementation manners

[0028] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will describe the present application in detail with reference to the drawings and in combination with the embodiments

[0029] In order to enable those skilled in the art of the present technology to better understand the solution of the present application, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application

[0030] Refer to Figures 1 - 3 , a detection fixture for a shrapnel detection device, including a bottom plate 1, an outer shell 13 is fixedly arranged on the bottom plate 1, a top plate 14 is fixedly arranged on the outer shell 13, and a feeding device is fixedly arranged on the upper end surface of the top plate 14

[0031] The feeding device includes a first bearing plate 6 fixedly arranged on the top plate 14, and the two first bearing plates 6 are arranged parallel to each other. A cross plate 61 is fixedly arranged on the first bearing plate 6, a long strip 62 is fixedly arranged on the side wall of the first bearing plate 6, a cylinder 63 is fixedly arranged at the bottom end of the cross plate 61, a bearing block 64 is fixedly arranged on the upper end surface of the cross plate 61, a U-shaped plate 641 is fixedly arranged on the side wall of the bearing block 64, and a clamping plate 7 for positioning the elastic piece is fixedly arranged on the bearing block 64. A clamping device for stably placing the elastic piece is arranged on the U-shaped plate 641;

[0032] One end of the bottom plate 1 is fixedly provided with a long plate 2. Four parallel long columns 21 are fixedly arranged on the upper end surface of the long plate 2. A second bearing plate 22 is fixedly arranged on the long columns 21. A vibrating disk 23 is fixedly arranged on the second bearing plate 22. A conveying mechanism for transporting materials is arranged on the second bearing plate 22.

[0033] Refer to Figures 1 - 3 Four parallel support columns 11 are fixedly arranged on the bottom plate 1, and an anti-slip plate 12 is fixedly arranged at the bottom end of each support column 11. By arranging the support columns 11 on the bottom plate 1, the overall support function of the device is realized. At the same time, the support columns 11 are arranged at the corners of the bottom plate 1 so that each support column 11 can be evenly stressed during the support process of the device, avoiding the situation that the support columns 11 are damaged due to uneven stress during the support process. At the same time, the anti-slip plate 12 arranged at the bottom end of the support column 11 can increase the friction between the device and the ground, avoiding the situation of slipping when the device is in use.

[0034] Refer to Figures 4 - 6 A support frame 3 is fixedly arranged on the upper end surface of the top plate 14. A controller 31 is fixedly arranged on the support frame 3. A plurality of uniformly arranged speed reducers 32 are fixedly arranged on the controller 31. A transmission rod 33 is fixedly arranged at the output end of each speed reducer 32. A cross bar 34 is rotatably arranged on the transmission rod 33, and the cross bar 34 is arranged parallel to the top plate 14. By arranging the support frame 3 on the top plate 14, when the staff starts the controller 31, the speed reducers 32 fixedly arranged on the controller 31 rotate. The rotating speed reducers 32 can drive the cross bar 34 to move through the transmission rod 33, realizing the detection of the elastic piece.

[0035] Refer to Figure 1 、 Figure 7 and Figure 8 An L-shaped plate 341 is fixedly arranged on the cross bar 34. A fixing plate 342 is fixedly arranged on the L-shaped plate 341. A suction nozzle 343 is fixedly arranged at the end of the fixing plate 342, and the suction nozzle 343 is arranged in an arc shape. By arranging the arc-shaped suction nozzle 343 on the fixing plate 342, the adsorption effect of the suction nozzle 343 on the elastic piece is improved.

[0036] Reference Figures 3 - 5 On the top plate 14, a plurality of connecting plates 4 are fixedly arranged in a uniform distribution. A positioning column 411 is fixedly arranged at the bottom end of the connecting plate 4. The other end of the camera 41 is fixedly connected to the top plate 14. The camera 41 is fixedly arranged at the upper end of the connecting plate 4. By means of the connecting plate 4 arranged on the top plate 14, the fixation of the camera 41 is realized, ensuring the detection of the elastic sheet.

[0037] Reference Figures 5 - 7 The clamping device includes a chuck 642 fixedly arranged between two U-shaped plates 641. A pressing column 643 is slidably arranged on the chuck 642. The other end of the pressing column 643 is slidably arranged on the clamping plate 7. A clamping ring 6431 is fixedly arranged on the outer peripheral surface of the pressing column 643. A spring 644 is fixedly arranged between the clamping ring 6431 and the chuck 642. The spring 644 is coaxially arranged with the pressing column 643. By means of the pressing column 643 arranged on the chuck 642, when the staff places the elastic sheet to be reinforced on the clamping plate 7, both ends of the elastic sheet start to press the pressing column 643. The pressed pressing column 643 moves along the chuck 642 until the elastic sheet is completely embedded in the clamping plate 7. When the suction nozzle 343 disengages, the elastic force generated by the spring 644 can push the pressing column 643 to continue pressing the material, avoiding the situation of the material shifting during the detection process.

[0038] Reference Figures 5 - 7 One end of the pressing column 643 facing the clamping plate 7 is inclined. By setting the end of the pressing column 643 to be inclined, the friction during the placement or disassembly of the elastic sheet by the device is reduced, ensuring the normal operation of the device.

[0039] Reference Figures 1 - 3 The conveying mechanism includes a conveying plate 24 fixedly arranged on the outer peripheral surface of the vibrating disk 23. A material guiding groove 241 is formed on the conveying plate 24. A carrying platform 5 is fixedly arranged on the second carrying plate 22. A support 51 is fixedly arranged on the carrying platform 5. A bidirectional motor 52 is fixedly arranged on the support 51. A material transporting disk 53 is fixedly arranged at one end of the bidirectional motor 52. A clamping block 531 matching the material guiding groove 241 is fixedly arranged on the material transporting disk 53. By means of the material guiding groove 241 arranged on the conveying plate 24, when the staff starts the bidirectional motor 52, the material transporting disk 53 fixedly connected to one end of the bidirectional motor 52 rotates, and the rotating material transporting disk 53 pushes the material to move through the clamping block 531 on its outer wall.

[0040] Reference Figures 4 - 6, a second bracket 55 is fixedly arranged on the stage 5. A chute 551 is formed on the second bracket 55. A sliding plate 552 is slidably arranged on the chute 551. A cylinder 553 is fixedly arranged on the sliding plate 552. A pressing plate 5531 is fixedly arranged on the cylinder 553. A detection plate 554 is fixedly arranged on the pressing plate 5531. A guiding plate 555 is fixedly arranged on the sliding plate 552. An adjusting assembly for controlling one end of the sliding plate 552 is arranged on the stage 5. By means of the second bracket 55 arranged on the stage 5, when the material moves in the material guiding groove 241, the detection plate 554 slidably arranged on the second bracket 55 can conduct real-time preliminary detection on the material.

[0041] Refer to Figures 4 - 6 , the adjusting assembly includes a third bracket 56 fixedly arranged on the stage 5. A shaft body 561 is rotatably arranged on the third bracket 56. A turntable 562 is fixedly arranged at one end of the shaft body 561. An eccentric column 563 is eccentrically arranged on the turntable 562. The eccentric column 563 is matched with the guiding plate 555. Pulley wheels 54 are fixedly arranged on the outer circumferential surfaces of both the shaft body 561 and the bidirectional motor 52, and the two pulley wheels 54 are connected by belt transmission. By means of the pulley wheel 54 arranged at the other end of the bidirectional motor 52, when the bidirectional motor 52 is started, the pulley wheel 54 fixed on its output end rotates, and then drives the shaft body 561 to rotate through the belt. The rotating shaft body 561 drives the turntable 562 to rotate, thereby driving the eccentric column 563 to rotate. The rotating eccentric column 563 controls the sliding plate 552 to reciprocate up and down through the guiding plate 555, so as to realize the detection of the material.

[0042] The specific solution of this scheme is as follows: By means of the support columns 11 arranged on the bottom plate 1 and the anti-slip plates 12 fixedly arranged on the support columns 11, when the staff uses the device, they first move the device to a suitable position and start the device to transport the elastic pieces in the vibrating disk 23 of the device through the transport plate 24. By arranging the support columns 11 on the bottom plate 1, the overall support function of the device is realized. At the same time, each support column 11 is arranged at the corner of the bottom plate 1 so that each support column 11 can be evenly stressed during the support process of the device, avoiding the situation that the support columns 11 are damaged due to uneven stress during the support process. At the same time, the anti-slip plates 12 arranged at the bottom ends of the support columns 11 can increase the friction between the device and the ground, avoiding the situation that the device slips during use. When the staff places the elastic pieces to be reinforced on the clamping plate 7, both ends of the elastic pieces start to press the extrusion columns 643. The pressed extrusion columns 643 move along the chuck 642 until the elastic pieces are completely embedded in the clamping plate 7. When the suction nozzle 343 detaches, the elastic force generated by the spring 644 can push the extrusion columns 643 to continue pressing the material, avoiding the situation that the material shifts during the detection process. The support two 55 arranged on the carrier table 5 realizes that when the material moves in the material guiding groove 241, the detection plate 554 slidably arranged on the support two 55 can perform real-time preliminary detection on the material. The material guiding groove 241 on the transport plate 24 realizes that when the staff starts the bidirectional motor 52, the material transport disk 53 fixedly connected to one end of the bidirectional motor 52 rotates, and the rotating material transport disk 53 pushes the material to move through the clamping blocks 531 on its outer wall.

[0043] Those of ordinary skill in the art should understand that the discussion of any of the above embodiments is only exemplary. Under the concept of the present invention, the technical features in the above embodiments or different embodiments can also be combined, and the steps can be implemented in any order. There are many other variations in different aspects of the present invention as described above, and they are not provided in detail for the sake of brevity.

[0044] The present invention aims to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A detection jig for a shrapnel detection device, comprising a bottom plate (1), characterized in that Further included is that a housing (13) is fixedly arranged on the bottom plate (1), a top plate (14) is fixedly arranged on the housing (13), and a material feeding device is fixedly arranged on the upper end surface of the top plate (14). The material feeding device includes a first bearing plate (6) fixedly arranged on the top plate (14), and the two first bearing plates (6) are arranged parallel to each other. A cross plate (61) is fixedly arranged on the first bearing plate (6), a long strip (62) is fixedly arranged on the side wall of the first bearing plate (6), a cylinder (63) is fixedly arranged on the bottom end of the cross plate (61), a bearing block (64) is fixedly arranged on the upper end surface of the cross plate (61), a U-shaped plate (641) is fixedly arranged on the side wall of the bearing block (64), a clamping plate (7) for positioning the elastic sheet is fixedly arranged on the bearing block (64), and a clamping device for stably placing the elastic sheet is arranged on the U-shaped plate (641). A long plate (2) is fixedly arranged at one end of the bottom plate (1), four parallel long columns (21) are fixedly arranged on the upper end surface of the long plate (2), a second bearing plate (22) is fixedly arranged on the long columns (21), a vibrating disk (23) is fixedly arranged on the second bearing plate (22), and a conveying mechanism for transporting materials is arranged on the second bearing plate (22).

2. The detection jig for a shrapnel detection device according to claim 1, characterized in that, Four parallel support columns (11) are fixedly arranged on the bottom plate (1), and an anti-slip plate (12) is fixedly arranged at the bottom end of each support column (11).

3. The detection fixture for the shrapnel detection device according to claim 1, characterized in that, A support frame (3) is fixedly arranged on the upper end surface of the top plate (14), a controller (31) is fixedly arranged on the support frame (3), a plurality of uniformly arranged speed reducers (32) are fixedly arranged on the controller (31), a transmission rod (33) is fixedly arranged at the output end of each speed reducer (32), a cross bar (34) is rotatably arranged on the transmission rod (33), and the cross bar (34) is arranged parallel to the top plate (14).

4. The detection jig for a shrapnel detection device according to claim 3, characterized in that, An L-shaped plate (341) is fixedly arranged on the cross bar (34), a fixing plate (342) is fixedly arranged on the L-shaped plate (341), a suction nozzle (343) is fixedly arranged at the end of the fixing plate (342), and the suction nozzle (343) is arranged in an arc shape.

5. The detection jig for a shrapnel detection device according to claim 1, characterized in that, A plurality of uniformly arranged connecting plates (4) are fixedly arranged on the top plate (14), a positioning column (411) is fixedly arranged at the bottom end of the connecting plate (4), a camera (41) is fixedly arranged at the upper end of the connecting plate (4), and the other end of the camera (41) is fixedly connected to the top plate (14).

6. The detection jig for a shrapnel detection device according to claim 1, characterized in that, The clamping device includes a chuck (642) fixedly arranged between two U-shaped plates (641). A pressing column (643) is slidably arranged on the chuck (642). The other end of the pressing column (643) is slidably arranged on the clamping plate (7). A clamping ring (6431) is fixedly arranged on the outer peripheral surface of the pressing column (643). A spring (644) is fixedly arranged between the clamping ring (6431) and the chuck (642). The spring (644) is coaxially arranged with the pressing column (643).

7. The detection fixture for a shrapnel detection device according to claim 6, characterized in that, One end of the pressing column (643) facing the clamping plate (7) is inclined.

8. The detection jig for a shrapnel detection device according to claim 1, characterized in that, The conveying mechanism includes a transport plate (24) fixedly arranged on the outer peripheral surface of the vibrating disc (23). A material guiding groove (241) is formed in the transport plate (24). A loading platform (5) is fixedly arranged on the second bearing plate (22). A first bracket (51) is fixedly arranged on the loading platform (5). A bidirectional motor (52) is fixedly arranged on the first bracket (51). A material transporting disc (53) is fixedly arranged at one end of the bidirectional motor (52). A clamping block (531) matching the material guiding groove (241) is fixedly arranged on the material transporting disc (53).

9. The detection jig for a shrapnel detection device according to claim 8, wherein, A second bracket (55) is fixedly arranged on the loading platform (5). A sliding groove (551) is formed in the second bracket (55). A sliding plate (552) is slidably arranged in the sliding groove (551). A cylinder (553) is fixedly arranged on the sliding plate (552). A pressing plate (5531) is fixedly arranged on the cylinder (553). A detection plate (554) is fixedly arranged on the pressing plate (5531). A guiding plate (555) is fixedly arranged on the sliding plate (552). An adjusting assembly for controlling one end of the sliding plate (552) is arranged on the loading platform (5).

10. The detection jig for a shrapnel detection device according to claim 9, characterized in that, The adjusting assembly includes a third bracket (56) fixedly arranged on the loading platform (5). A shaft body (561) is rotatably arranged on the third bracket (56). A turntable (562) is fixedly arranged at one end of the shaft body (561). An eccentric column (563) is eccentrically arranged on the turntable (562). The eccentric column (563) is matched with the guiding plate (555). Pulley wheels (54) are fixedly arranged on the outer peripheral surfaces of the shaft body (561) and the bidirectional motor (52). The two pulley wheels (54) are connected by a belt in a transmission manner.

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