Resonator assembling equipment
By designing a resonant assembly equipment that contains feeding, screws and locking devices, the problem of low resonator assembly efficiency and low installation accuracy in existing technologies, realize high -precision assembly and improve product efficiency Essence
Patent Information
- Application Number
- CN202421097330.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The existing resonator assembly technology mainly relies on manual operation, resulting in low assembly efficiency and low installation accuracy, which is prone to bad products.
Design a resonant assembly equipment including feed device, screwdriver and locking device. The device uses the transit platform and clamping clamp to achieve the precise positioning of the resonator and the accurate put in the screws, combined with the use of the screw machine to ensure the high precision installation of the resonant.
Improve the installation accuracy and assembly efficiency of the resonator, reduce the errors of manual operation, and apply to mass production of various products.
Smart Images

Figure CN222386318U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automation equipment, in particular to a resonator assembly device. Background Art
[0002] In today's automation field, the resonator is an electronic component whose main function is to resonate within a certain frequency range and generate or select a specific frequency signal. Due to its unique properties, it plays a vital role in electronic circuit design. Since resonator assembly is mostly connected by screws, and the screws are generally tightened manually, it is necessary to manually place the screws and align the screw heads, and frequently tighten them manually, which will cause fatigue to the personnel for a long time, resulting in defective products in the assembly, so the assembly efficiency is low.
[0003] Therefore, it is necessary to provide a new resonator assembly device to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a resonator assembly device with high installation accuracy, which can improve the accuracy of screws being placed into the resonator and the precision of the resonator being installed on the product.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A resonator assembly device, suitable for installing a resonator on a product, comprises a base and a material taking device, a screw placing device and a locking device arranged on the base, wherein the material taking device takes and places the resonator, the screw placing device places screws into the resonator, and the locking device installs the resonator on the product by screws;
[0007] The screw placing device comprises a transfer platform and a presetting mechanism, the resonator is positioned on the transfer platform, and the presetting mechanism places the screw into the resonator;
[0008] The transfer platform includes a clamping claw, and the clamping claw clamps and fixes the resonator;
[0009] The preset mechanism includes a third linear module, a preset cylinder and a suction nozzle, wherein the third linear module drives the preset cylinder and the suction nozzle to move horizontally, the preset cylinder drives the suction nozzle to move up and down, and the suction nozzle absorbs the screw to the resonator;
[0010] The locking device includes a locking mechanism, and the locking mechanism includes a screw machine. The screw machine absorbs the resonator and the screws and screws the screws to assemble the resonator to the product.
[0011] As a further improved technical solution of the utility model, the transfer platform also includes a first linear module and a second linear module. The first linear module drives the clamping claw to clamp the resonator, and the second linear module moves the clamping claw and the resonator longitudinally to the screw placing station and the locking station.
[0012] As a further improved technical solution of the utility model, the material picking device includes a clamping mechanism, and the clamping mechanism includes a manipulator and a claw mechanism. The claw mechanism clamps the resonator, and the manipulator drives the claw mechanism to pick up and put down the resonator.
[0013] As a further improved technical solution of the utility model, the material picking device includes a detection mechanism and a material throwing box. The detection mechanism detects the resonator, and the resonator that passes the detection is placed in the transfer platform, and the resonator that fails the detection is placed in the material throwing box.
[0014] As a further improved technical solution of the utility model, the material picking device includes a feeding mechanism, which includes a feeder, a vibrating disk and a camera. The feeder is equipped with a plurality of the resonators and quantitatively controls the resonators to enter the vibrating disk. The vibrating disk has a card slot and vibrates the resonators into the card slot through vibration. The camera takes a picture of the resonator that normally enters the card slot to facilitate accurate material picking and discharging of the resonator.
[0015] As a further improved technical solution of the utility model, the locking device also includes a torque testing mechanism, and the torque testing mechanism tests the torque of the screw machine.
[0016] As a further improved technical solution of the utility model, the locking mechanism also includes a fourth linear module, a fifth linear module and a sixth linear module. The fourth linear module drives the fifth linear module, the sixth linear module and the screw machine to move longitudinally, the fifth linear module drives the sixth linear module and the screw machine to move horizontally, and the sixth linear module drives the screw machine to move up and down.
[0017] As a further improved technical solution of the utility model, the locking device includes a positioning jacking mechanism and a streamline, the positioning jacking mechanism includes a jacking cylinder, a jacking plate and a blocking plate, the product flows to the top of the jacking plate through the streamline, the jacking cylinder drives the jacking plate to lift the product upward, the blocking plate is located above the jacking plate and cooperates with the jacking plate to position the product up and down.
[0018] As a further improved technical solution of the utility model, the positioning and lifting mechanism also includes a first blocking cylinder and a second blocking cylinder respectively arranged on both sides of the lifting plate in the horizontal direction. The second blocking cylinder and the first blocking cylinder are arranged in sequence along the flow direction of the streamline. The first blocking cylinder blocks the product from flowing from the streamline to the top of the lifting plate and then continuing to move, and the second blocking cylinder blocks the next product from continuing to move.
[0019] Compared with the prior art, the beneficial effects of the resonator assembly equipment of the utility model are as follows: the equipment includes a material taking device, a screw placing device and a locking device. The screw placing device is provided with a transfer platform, and the screws are first assembled with the resonator, and then the screws and the resonator are assembled and fixed with the product through a screw machine; the transfer platform is provided with a clamping claw, which can position the resonator and improve the accuracy of placing the screws into the resonator. The resonator assembly equipment has a high installation accuracy, and can realize the function of being compatible with multiple products at the same time through an adjustment mechanism, and is suitable for mass production of products. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a structural schematic diagram of a resonator assembly device according to a specific embodiment of the utility model;
[0021] Figure 2 It is a structural schematic diagram of a resonator assembly device according to a specific embodiment of the utility model;
[0022] Figure 3 It is a structural schematic diagram of a material taking device according to a specific embodiment of the utility model;
[0023] Figure 4 It is a structural schematic diagram of a clamping mechanism of a specific embodiment of the utility model;
[0024] Figure 5 It is a structural schematic diagram of a feeding mechanism of a specific embodiment of the utility model;
[0025] Figure 6 This is a structural schematic diagram of a screw placing device according to a specific embodiment of the utility model;
[0026] Figure 7 This is a schematic diagram of the structure of a transfer platform in a specific embodiment of the utility model;
[0027] Figure 8 It is a structural schematic diagram of a presetting mechanism of a specific embodiment of the utility model;
[0028] Fig. 9 This is a structural schematic diagram of a locking device according to a specific embodiment of the utility model;
[0029] Fig.10It is a structural schematic diagram of a positioning and lifting mechanism of a specific embodiment of the utility model;
[0030] Fig.11 It is a structural schematic diagram of a locking mechanism of a specific embodiment of the utility model. DETAILED DESCRIPTION
[0031] The exemplary embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. If there are several embodiments, the features of these embodiments can be combined with each other without conflict. When the description refers to the drawings, unless otherwise specified, the same numbers in different drawings represent the same or similar elements. The contents described in the following exemplary embodiments do not represent all embodiments consistent with the present invention; on the contrary, they are merely examples of devices, products and / or methods that are consistent with some aspects of the present invention and are recorded in the claims of the present invention.
[0032] The terms used in the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the scope of protection of the present invention. The singular forms "a", "said" or "the" used in the specification and claims of the present invention are also intended to include plural forms, unless the context clearly indicates other meanings.
[0033] It should be understood that the words used in the specification and claims of the present invention, such as "first", "second" and similar words, do not indicate any order, quantity or importance, but are only used to distinguish the names of features. Similarly, words such as "one" or "an" do not indicate a quantitative limitation, but indicate the existence of at least one. Unless otherwise specified, words such as "front", "rear", "upper", "lower" and similar words appearing in the present invention are only for the convenience of description and are not limited to a specific position or a spatial orientation. Words such as "include" or "comprise" are an open-ended expression, meaning that the elements appearing before "include" or "comprises" include the elements appearing after "include" or "comprises" and their equivalents, which does not exclude that the elements appearing before "include" or "comprises" may also include other elements.
[0034] If “several” appears in the present invention, it means two or more.
[0035] See also Figures 1 to 11As shown, an embodiment of the utility model discloses a resonator assembly device, which is suitable for installing a resonator 212 on a product 411. The resonator assembly device includes a base 1 and a material taking device 2, a screw placing device 3, and a locking device 4 arranged on the base 1, wherein the material taking device 2 takes and places the resonator 212, the screw placing device 3 places screws into the resonator 212, and the locking device 4 installs the resonator 212 on the product 411 by screws.
[0036] In order to facilitate the description of the embodiments of the present invention, the horizontal, vertical and up-down directions are used for auxiliary explanation, wherein X in the figure represents the horizontal direction, Y represents the vertical direction, and Z represents the up-down direction, and these three directions are perpendicular to each other.
[0037] See also Figures 1 to 3 As shown, the material taking device 2 includes a feeding mechanism 21, a clamping mechanism 22, a detection mechanism 24 and a material throwing box 23. The feeding mechanism 21 provides the resonator 212, the clamping mechanism 22 takes and puts the resonator 212, and the detection mechanism 24 detects the resonator 212. The resonator 212 that fails the inspection is put into the material throwing box 23, and the resonator 212 that passes the inspection enters the screw placing device 3 for the next step.
[0038] See also Figure 1 , Figure 3 and Figure 5 As shown, the feeding mechanism 21 includes a feeder 211, a vibration plate 213 and a camera 214. The feeder 211 is equipped with a plurality of resonators 212. The resonators 212 can be manually poured into the feeder 211 in advance. The feeder 211 quantitatively controls the resonators 212 to enter the vibration plate 213. The vibration plate 213 is arranged at the outlet of the feeder 211. The vibration plate 213 has a plurality of slots 2131. The resonators 212 entering the vibration plate 213 from the feeder 211 are vibrated into the slots 2131 to facilitate the subsequent material collection of the resonators 212. The camera 214 is arranged above the vibration plate 213 to take pictures of the resonators 212 that normally enter the slots 2131 and upload them to facilitate the subsequent accurate material collection and discharge of the resonators 212. The vibration plate 213 can realize the automatic positioning of the resonators 212.
[0039] See also Figure 1 , Figure 3 and Figure 4 As shown, the clamping mechanism 22 includes a manipulator 221 and a clamping mechanism 222. The clamping mechanism 222 clamps the resonator 212, and the manipulator 221 drives the clamping mechanism 222 to pick up and put down the resonator 212. Specifically, the manipulator 221 drives the clamping mechanism 222 to clamp the resonator 212 in the slot 2131, and sends it to the detection mechanism 24 for detection. The resonator 212 that fails the detection is placed in the throwing box 23, and the resonator 212 that passes the detection is placed in the screw placing device 3.
[0040] See also Figure 1 , Figure 2 and Figure 6 As shown, the screw placing device 3 includes a transfer platform 31, a screw feeder 32 and a presetting mechanism 33. The resonator 212 that has passed the inspection by the inspection mechanism 24 is placed on the transfer platform 31, the screw feeder 32 provides screws, and the presetting mechanism 33 places the screws into the resonator 212 of the transfer platform 31.
[0041] See also Figure 2 , Figure 6 and Figure 7 As shown, the transfer platform 31 includes a clamping claw 311, a first linear module 312 and a second linear module 313. The resonator 212 that has passed the inspection of the inspection mechanism 24 is placed in the clamping claw 311 by the clamping mechanism 22. The clamping claw 311 clamps and fixes the resonator 212. The first linear module 312 assists in driving the clamping claw 311 to clamp the resonator 212. The second linear module 313 drives the first linear module 312, the clamping claw 311 and the resonator 212 to move longitudinally, and moves the clamping claw 311 and the resonator 212 to the screw placement station. After the screws are placed in the resonator 212, the second linear module 313 moves the resonator 212 longitudinally to the locking station. The second linear module 313 pushes the clamping claw 311 to clamp and fix the resonator 212, which can be applied to a variety of resonators 212 of different sizes, and the linear module has high precision, which can prevent the resonator 212 from moving out of place.
[0042] The resonator assembly equipment of this embodiment first puts screws into the resonator 212 on the transfer platform 31, and then assembles the resonator 212 to the product 411 through the screws; and the transfer platform 31 is provided with a clamping claw 311, which can accurately position the resonator 212, improve the accuracy of placing the screws into the resonator 212, and thus improve the installation efficiency.
[0043] See also Figure 6 and Figure 8 As shown, the preset mechanism 33 includes a third linear module 331, a preset cylinder 332 and a suction nozzle 333. The third linear module 331 is perpendicular to the second linear module 313 and is located above the second linear module 313. The preset cylinder 332 is arranged on the third linear module 331, and the suction nozzle 333 is arranged on the preset cylinder 332. The preset cylinder 332 drives the suction nozzle 333 to move up and down, and the suction nozzle 333 absorbs the screws in the screw feeder 32. The third linear module 331 drives the preset cylinder 332 and the suction nozzle 333 to move horizontally to the top of the second linear module 313. The preset cylinder 332 drives the suction nozzle 333 to move up and down, and the suction nozzle 333 puts the absorbed screws into the resonator 212 in the clamping claw 311.
[0044] See also Figure 1 , Figure 2 and Fig. 9 As shown, the locking device 4 includes a positioning and lifting mechanism 41, a streamline 42, a locking mechanism 43 and a torque testing mechanism 44. The product 411 moves laterally along the streamline 42. The positioning and lifting mechanism 41 positions and lifts the product 411. The torque testing mechanism 44 performs a torque test on the screw machine 434 in the locking mechanism 43 to prevent the torque from being too large or too small, resulting in poor installation.
[0045] See also Fig. 9 and Fig.10 As shown, the positioning and lifting mechanism 41 includes a first blocking cylinder 412, a lifting cylinder 413, a lifting plate 414, a blocking plate 415, and a second blocking cylinder 416. The lifting plate 414 is arranged on the lifting cylinder 413, and the lifting plate 414 is located between the streamlines 42. The blocking plate 415 is located above the lifting plate 414. The lifting plate 414 and the blocking plate 415 cooperate to position the product 411 up and down. The first blocking cylinder 412 and the second blocking cylinder 416 are respectively arranged on both sides of the lifting plate 414 in the horizontal direction. The second blocking cylinder 416 and the first blocking cylinder 412 are sequentially arranged along the flow direction of the streamline 42 to cooperate to position the product 411 in the horizontal direction. The product 411 flows to the top of the lifting plate 414 through the streamline 42. The first blocking cylinder 412 blocks the product 411 from continuing to move so that it stays at the current position. The second blocking cylinder 416 blocks the next product 411 from entering to prevent the two products 411 from colliding and affecting the installation. The lifting cylinder 413 provides power to drive the lifting plate 414 to lift the product 411 to the blocking plate 415. At this time, the product 411 is clamped between the lifting plate 414 and the blocking plate 415.
[0046] See also Figure 2 , Fig. 9 and Fig.11As shown, the locking mechanism 43 includes a fourth linear module 431, a fifth linear module 432, a sixth linear module 433 and a screw machine 434. The fourth linear module 431, the fifth linear module 432 and the sixth linear module 433 are perpendicular to each other, and the fifth linear module 432 is arranged on the fourth linear module 431, the sixth linear module 433 is arranged on the fifth linear module 432, and the screw machine 434 is arranged on the sixth linear module 433. The fifth linear module 432 is perpendicular to the second linear module 313 and is located above the second linear module 313. The fourth linear module 431 drives the fifth linear module 432, the sixth linear module 433 and the screw machine 434 to move longitudinally, the fifth linear module 432 drives the sixth linear module 433 and the screw machine 434 to move horizontally, and the sixth linear module 433 drives the screw machine 434 to move up and down. The fifth linear module 432 moves the screw machine 434 laterally to the top of the second linear module 313, and the sixth linear module 433 drives the screw machine 434 to move up and down to adsorb the resonator 212 and the screws in the resonator 212. The fourth linear module 431, the fifth linear module 432 and the sixth linear module 433 cooperate to move the resonator 212 and the screws to the required assembly position of the product 411, and then the screw machine 434 tightens the screws on the product 411 to assemble the resonator 212 on the product 411.
[0047] When the resonator assembly device of this embodiment assembles the resonator 212 onto the product 411, firstly, a plurality of resonators 212 are loaded into the feeder 211, and the feeder 211 controls the quantitative resonators 212 to flow into the vibration plate 213, and then the vibration plate 213 vibrates to vibrate the resonator 212 into the card slot 2131, and the camera 214 takes a photo and uploads it; the manipulator 221 drives the clamping mechanism 222 to clamp the resonator 212 in the card slot 2131, and transports it to the detection mechanism 24 for detection, and the unqualified resonators 212 are put into the throwing box 23 for recovery, and the qualified resonators are taken. 212 is placed in the clamping claw 311, and the first linear module 312 drives the clamping claw 311 to clamp and fix the resonator 212; then the second linear module 313 moves the resonator 212 longitudinally to the screw placing position, and the preset cylinder 332 drives the suction nozzle 333 to descend to absorb the screw from the screw feeder 32. After the screw is absorbed, the preset cylinder 332 drives the suction nozzle 333 to rise and reset, and the third linear module 331 drives the preset cylinder 332 to move horizontally to the top of the transfer platform 31, that is, the top of the screw placing position, and the preset cylinder 332 drives the suction nozzle 333 to descend to put the screw into the resonator. 212, and then the preset cylinder 332 drives the suction nozzle 333 to reset; the second linear module 313 continues to move the resonator 212 longitudinally to the locking position, and at the same time, the product 411 flows to the lifting plate 414 along the streamline 42, and the first blocking cylinder 412 blocks the product 411 from continuing to flow, and the second blocking cylinder 416 blocks the next product 411 to prevent collision, and the lifting cylinder 413 drives the lifting plate 414 to contact the product 411 from bottom to top and push it to the blocking plate 415; at this time, the screw machine 434 is at the torque testing mechanism 44, and the torque test is carried out to adjust the appropriate torque parameters, and then After that, the fifth linear module 432 moves the screw machine 434 horizontally to the top of the transfer platform 31, that is, above the locking station, and the sixth linear module 433 drives the screw machine 434 to descend and absorb the resonator 212 and the screws therein, and then the fourth linear module 431, the fifth linear module 432, and the sixth linear module 433 cooperate to move the resonator 212 to the required assembly position of the product 411 in the longitudinal, transverse, and up and down directions, and finally the screw machine 434 assembles the resonator 212 on the product 411; the above steps are repeated until the resonator 212 required by the product 411 is assembled. In this embodiment, each device and mechanism can be adjusted according to actual conditions to achieve the function of being compatible with multiple products at the same time; by setting multiple linear modules in the equipment, the installation accuracy of the resonator 212 on the product 411 can be effectively improved.
[0048] In summary, compared with the prior art, the resonator assembly equipment of the utility model has the following advantages: the equipment includes a material taking device 2, a screw placing device 3 and a locking device 4, the screw placing device 3 is provided with a transfer platform 31, the screws are first assembled with the resonator 212, and then the screws and the resonator 212 are assembled and fixed with the product 411 by a screw machine 434; the transfer platform 31 is provided with a clamping claw 311, which can position the resonator 212 and improve the accuracy of placing the screws into the resonator 212. The resonator assembly equipment has high installation accuracy, can realize the function of being compatible with multiple products at the same time through the adjustment mechanism, and is suitable for mass production of products.
[0049] The above implementation modes are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. The understanding of this specification should be based on the technical personnel in the relevant technical field. Although this specification has described the present invention in detail with reference to the above embodiments, ordinary technical personnel in the field should understand that the technical personnel in the relevant technical field can still modify or make equivalent substitutions to the present invention, and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.
Claims
1. A resonator assembly device, suitable for mounting a resonator (212) on a product (411), characterized in that: It comprises a base (1) and a material taking device (2), a screw placing device (3), and a locking device (4) arranged on the base (1), wherein the material taking device (2) takes and places the material on the resonator (212), the screw placing device (3) places the screws into the resonator (212), and the locking device (4) installs the resonator (212) on the product (411) by means of screws; The screw placing device (3) comprises a transfer platform (31) and a presetting mechanism (33), the resonator (212) is positioned on the transfer platform (31), and the presetting mechanism (33) places the screw into the resonator (212); The transfer platform (31) comprises a clamping claw (311), and the clamping claw (311) clamps and fixes the resonator (212); The preset mechanism (33) comprises a third linear module (331), a preset cylinder (332) and a suction nozzle (333); the third linear module (331) drives the preset cylinder (332) and the suction nozzle (333) to move horizontally; the preset cylinder (332) drives the suction nozzle (333) to move up and down; and the suction nozzle (333) sucks the screw to the resonator (212); The locking device (4) includes a locking mechanism (43), and the locking mechanism (43) includes a screw machine (434). The screw machine (434) absorbs the resonator (212) and the screw and screws the screw to assemble the resonator (212) to the product (411).
2. The resonator assembly device according to claim 1, characterized in that: The transfer platform (31) further comprises a first linear module (312) and a second linear module (313), wherein the first linear module (312) drives the clamping claw (311) to clamp the resonator (212), and the second linear module (313) moves the clamping claw (311) and the resonator (212) longitudinally to a screw placing station and a locking station.
3. The resonator assembly device according to claim 1, characterized in that: The material taking device (2) comprises a clamping mechanism (22), wherein the clamping mechanism (22) comprises a manipulator (221) and a clamping claw mechanism (222), wherein the clamping claw mechanism (222) clamps the resonator (212), and the manipulator (221) drives the clamping claw mechanism (222) to take and place the resonator (212).
4. The resonator assembly device according to claim 1, characterized in that: The material taking device (2) comprises a detection mechanism (24) and a material throwing box (23); the detection mechanism (24) detects the resonator (212); the resonator (212) that passes the detection is placed in the transfer platform (31); and the resonator (212) that fails the detection is placed in the material throwing box (23).
5. The resonator assembly device according to claim 1, characterized in that: The material taking device (2) comprises a feeding mechanism (21), wherein the feeding mechanism (21) comprises a feeder (211), a vibration plate (213) and a camera (214); the feeder (211) is equipped with a plurality of the resonators (212) and quantitatively controls the resonators (212) to enter the vibration plate (213); the vibration plate (213) has a card slot (2131) and vibrates the resonators (212) into the card slot (2131); the camera (214) takes a picture of the resonators (212) that normally enter the card slot (2131) so as to facilitate accurate material taking and discharging of the resonators (212).
6. The resonator assembly device according to claim 1, characterized in that: The locking device (4) further comprises a torque testing mechanism (44), and the torque testing mechanism (44) tests the torque of the screw machine (434).
7. The resonator assembly device according to claim 6, characterized in that: The locking mechanism (43) further comprises a fourth linear module (431), a fifth linear module (432) and a sixth linear module (433); the fourth linear module (431) drives the fifth linear module (432), the sixth linear module (433) and the screw machine (434) to move longitudinally; the fifth linear module (432) drives the sixth linear module (433) and the screw machine (434) to move transversely; and the sixth linear module (433) drives the screw machine (434) to move up and down.
8. The resonator assembly device according to claim 1, characterized in that: The locking device (4) includes a positioning and lifting mechanism (41) and a streamline (42); the positioning and lifting mechanism (41) includes a lifting cylinder (413), a lifting plate (414) and a blocking plate (415); the product (411) flows to the top of the lifting plate (414) through the streamline (42); the lifting cylinder (413) drives the lifting plate (414) to lift the product (411) upward; the blocking plate (415) is located above the lifting plate (414) and cooperates with the lifting plate (414) to position the product (411) up and down.
9. The resonator assembly device according to claim 8, characterized in that: The positioning and lifting mechanism (41) also includes a first blocking cylinder (412) and a second blocking cylinder (416) respectively arranged on both sides of the lifting plate (414) in the horizontal direction. The second blocking cylinder (416) and the first blocking cylinder (412) are arranged in sequence along the flow direction of the streamline (42). The first blocking cylinder (412) blocks the product (411) from continuing to move after flowing from the streamline (42) to the top of the lifting plate (414), and the second blocking cylinder (416) blocks the next product (411) from continuing to move.