Cosmetic vacuum bottle piston assembling device

Abstract

The utility model provides a cosmetic vacuum bottle piston assembling device which comprises a vibration disc, a reversing assembly and a piston assembling assembly. The reversing assembly is connected with the vibration disc through a conveying guide rail and used for detecting the forward and reverse directions of the pistons and reversing the reversed pistons. The reversing assembly comprises a height sensor used for detecting the forward direction and the reverse direction and a reversing air cylinder used for reversing. The piston assembling assembly is connected with the reversing assembly through a material distributing guide rail and used for assembling pistons into bottle bodies. The piston assembling assembly comprises a positioning base used for positioning the bottle body and a piston suction head movably installed on the upper side of the positioning base, and the piston suction head clamps the piston and loads the piston into the bottle body. According to the cosmetic vacuum bottle piston assembling device, the defects that an existing cosmetic packaging bottle piston is low in assembling efficiency and poor in assembling effect are overcome.

Description

A piston assembly device for cosmetic vacuum bottles Technical Field

[0001] This utility model relates to the field of vacuum bottle piston assembly, and in particular to a device for assembling pistons for cosmetic vacuum bottles. Background Technology

[0002] For women, makeup has become an indispensable part of daily life. Vacuum cosmetic packaging bottles are commonly used packaging containers for cosmetics. A vacuum cosmetic packaging bottle generally consists of a bottle body with a shoulder sleeve at the bottle mouth. A pump body is attached to the shoulder sleeve, with one end of the pump body extending into the bottle mouth and the other end having a squeezeable pump head. Inside the bottle body is a sliding piston, and an air inlet is located at the bottom of the bottle body. By squeezing the pump head, the piston moves upward, thereby squeezing out the cosmetics inside. There is usually a cap on the pump head.

[0003] Currently, cosmetic packaging bottles are mainly assembled manually. When assembling the piston, it needs to be manually inserted into the bottle body. Due to the small diameter of the bottle, this is very inconvenient, requiring significant manual labor and resulting in low assembly efficiency. Furthermore, the piston needs to be installed correctly, and manual assembly easily leads to reversed piston installation, resulting in poor assembly quality. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] The problem to be solved by this utility model is to provide a piston assembly device for cosmetic vacuum bottles, so as to overcome the defects of low assembly efficiency and poor assembly effect of existing cosmetic packaging bottle pistons.

[0006] (II) Technical Solution

[0007] To solve the aforementioned technical problem, this utility model provides a cosmetic vacuum bottle piston assembly device, comprising:

[0008] Vibratory feeder, used for feeding piston;

[0009] A reversing assembly, connected to the vibratory feeder via a conveyor rail, is used to detect the forward and reverse orientation of the piston and to reverse the orientation of the piston in the opposite direction; the reversing assembly includes a height sensor for detecting the forward and reverse orientation and a reversing cylinder for reversing.

[0010] A piston assembly assembly is connected to the reversing assembly via a material distribution guide rail and is used to assemble the piston into the bottle body. The piston assembly assembly includes a positioning seat for positioning the bottle body and a piston suction head movably mounted on the upper side of the positioning seat. The piston suction head clamps the piston and inserts it into the bottle body.

[0011] In some embodiments, the reversing assembly further includes a first receiving plate slidably mounted on the end of the conveying guide rail, with a first U-shaped groove respectively provided on both sides of the first receiving plate; a height sensor is mounted on one side of the first receiving plate via a sensor bracket, the height sensor facing the first U-shaped groove, and the reversing cylinder is symmetrically mounted on both sides of the first receiving plate.

[0012] In some embodiments, a connecting seat is installed between the first receiving plate and the conveying guide rail. A distributing rod is vertically mounted on the upper side of the connecting seat, and the distributing rod can be inserted into the central hole of the piston. Both the bottom of the connecting seat and the bottom of the first U-shaped groove are provided with clearance grooves for avoiding the piston central column.

[0013] In some embodiments, a lifting rod can be installed at the bottom of the first U-shaped groove, the lifting rod can pass through the clearance groove and push the piston out of the first U-shaped groove, so as to facilitate the clamping of the reversing cylinder.

[0014] In some embodiments, first support seats are symmetrically installed on both sides of the first receiving plate, and a first horizontal slide is slidably installed on the first support seat in the horizontal direction. The reversing cylinder is vertically mounted on the first horizontal slide, and a gripper is rotatably installed on one end of the reversing cylinder facing the first receiving plate.

[0015] In some embodiments, the piston assembly further includes a first guide plate that can be lifted and mounted on the upper side of the positioning seat. The first guide plate is provided with a guide hole adapted to the bottle body, through which the piston suction head can pass.

[0016] In some embodiments, a second receiving plate is fixed to the end of the material distribution guide rail, and a plurality of second U-shaped grooves are spaced apart along the straight direction on the second receiving plate; second support seats are symmetrically installed on both sides of the second receiving plate, and a second horizontal slide is slidably installed on the second support seat along the horizontal direction; the piston suction head is liftably installed on the second horizontal slide, and the first guide plate is liftably installed on the second support seat.

[0017] In some embodiments, a piston pushing assembly is installed on one side of the piston assembly. The piston pushing assembly includes a positioning seat for positioning the bottle, a second guide plate that can be lifted and lowered on the upper side of the positioning seat, and an upper push rod that can be lifted and lowered on the upper side of the second guide plate. The second guide plate is provided with a second guide hole adapted to the bottle. The upper push rod can pass through the second guide hole and push the piston to move downward.

[0018] In some embodiments, the piston actuation assembly further includes a push rod that is vertically mounted at the bottom of the positioning seat, the push rod passing through the positioning seat and pushing the piston upward.

[0019] In some embodiments, the positioning seat is provided with a positioning hole, and the bottle body is placed in the positioning hole; the positioning seat is installed at the four corners of the rotating disk.

[0020] (III) Beneficial Effects

[0021] This utility model provides a piston assembly device for cosmetic vacuum bottles. Through the cooperation of a vibratory feeder, a reversing assembly, a piston assembly assembly, and a piston pushing assembly, the piston in the vibratory feeder enters the reversing assembly via a conveying guide rail. The reversing assembly detects the forward and reverse direction of the piston and reverses the direction of the reversed piston. Then, the piston enters the piston assembly assembly via a distributing guide rail. A first guide plate guides the bottle body to prevent tilting, and a piston suction head holds the piston and inserts it into the inner cavity of the bottle. Finally, the piston pushing assembly simulates the piston's movement, a second guide plate guides the bottle body, an upper push rod first pushes the piston to the bottom of the bottle, and a lower push rod then pushes the piston to the top of the bottle. This device enables automated piston assembly with high efficiency and can automatically adjust the piston's installation direction to ensure assembly quality. It overcomes the shortcomings of existing cosmetic packaging bottle piston assembly methods, which suffer from low efficiency and poor assembly results. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 is a perspective view of a piston assembly device for a cosmetic vacuum bottle according to this utility model;

[0024] Figure 2 is a perspective view of a piston assembly device for a cosmetic vacuum bottle according to this utility model from another angle.

[0025] Figure 3 is a perspective view of the reversing component of a piston assembly device for a cosmetic vacuum bottle according to this utility model.

[0026] Figure 4 is a perspective view of the reversing component of a piston assembly device for a cosmetic vacuum bottle according to this utility model from another angle.

[0027] Figure 5 is a perspective view of the reversing cylinder of the piston assembly device for a cosmetic vacuum bottle according to this utility model.

[0028] Figure 6 is a perspective view of the connection between the first receiving plate and the connecting seat of the piston assembly device for a cosmetic vacuum bottle according to this utility model.

[0029] Figure 7 is a perspective view of the piston assembly component of a cosmetic vacuum bottle piston assembly device according to this utility model.

[0030] Figure 8 is a perspective view of the piston assembly component of a cosmetic vacuum bottle piston assembly device according to this utility model from another angle.

[0031] Figure 9 is a perspective view of the piston pushing component of a cosmetic vacuum bottle piston assembly device according to this utility model;

[0032] Figure 10 is a perspective view of the lower push rod of a piston assembly device for a cosmetic vacuum bottle according to this utility model;

[0033] The component names corresponding to the various reference numerals in the figure are as follows: 1. Vibratory feeder; 2. Reversing assembly; 21. Height sensor; 22. Reversing cylinder; 23. First receiving plate; 24. Sensor bracket; 25. Connecting seat; 26. Distributing rod; 27. Lifting rod; 28. First support seat; 221. Gripper; 231. First U-shaped groove; 232. Clearance groove; 281. First horizontal slide; 3. Conveying guide rail; 4. Piston assembly assembly; 41. Piston. 42. Suction head; 43. First guide plate; 44. Second receiving plate; 45. Second support base; 46. Guide hole; 47. Second U-shaped groove; 48. Second horizontal slide; 5. Distributing guide rail; 69. Piston pushing assembly; 60. Second guide plate; 61. Upper push rod; 62. Lower push rod; 63. Second guide hole; 70. Positioning base; 701. Positioning hole; 702. Rotary disk; A. Piston; a1. Center hole; a2. Center column; B. Bottle body. Detailed Implementation

[0034] The present application will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0035] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. This application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0036] It should be noted that various aspects of embodiments within the scope of the appended claims are described below. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this application, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.

[0037] It should also be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. The illustrations only show the components related to this application and are not drawn according to the number, shape and size of the components in actual implementation. In actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0038] Additionally, specific details are provided in the following description to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that practice can be carried out without these specific details.

[0039] The technical solutions provided by the various embodiments of this application are described below with reference to the accompanying drawings.

[0040] Referring to Figures 1 to 10, this utility model provides a piston assembly device for cosmetic vacuum bottles, including a vibratory plate 1, a conveying guide rail 3, a reversing component 2, a distributing guide rail 5, and a piston assembly component 4 connected in sequence.

[0041] Referring to Figures 1 to 3, the vibratory feeder 1 is used to feed piston A. The reversing assembly 2 is connected to the vibratory feeder 1 via the conveying guide rail 3. The reversing assembly 2 is used to detect the forward and reverse orientation of piston A and reverse the orientation of piston A when it is in the reverse orientation. Specifically, when the center column a2 of piston A faces upward, it is in the forward orientation; when the center column a2 faces downward, it is in the reverse orientation. The reversing assembly 2 includes a height sensor 21 for detecting the forward and reverse orientation and a reversing cylinder 22 for reversing the orientation. The height sensor 21 can detect the height of piston A. When the center column a2 faces upward, the height is greater, and piston A is in the forward orientation. At this time, the reversing cylinder 22 only clamps piston A and places it on the distributing guide rail 5 without reversing its orientation. When the center column a2 faces downward, the height is smaller, and piston A is in the reverse orientation. At this time, the reversing cylinder 22 clamps piston A, rotates it 180 degrees to reverse its orientation, and then places it on the distributing guide rail 5. The piston assembly assembly 4 is connected to the reversing assembly 2 via the material distribution guide rail 5 and is used to assemble the piston A into the bottle body B. The piston assembly assembly 4 includes a positioning seat 7 for positioning the bottle body B and a piston suction head 41 movably mounted on the upper side of the positioning seat 7. The piston suction head 41 can grip the piston A and insert it into the bottle body B.

[0042] This structure, through the cooperation of a vibratory feeder, a reversing assembly, a piston assembly assembly, and a piston pushing assembly, allows the piston in the vibratory feeder to enter the reversing assembly via a conveying guide rail during assembly. The reversing assembly detects the forward and reverse direction of the piston and reverses the direction of the reversed piston. Then, the piston enters the piston assembly assembly via a dispensing guide rail, where the piston suction head holds the piston and inserts it into the inner cavity of the bottle. This structure enables automated piston assembly with high efficiency and can automatically adjust the piston installation direction, avoiding reversed piston installation and ensuring the assembly effect.

[0043] In some embodiments, as shown in Figures 3, 4, and 6, the reversing assembly 2 further includes a first receiving plate 23 slidably mounted on the end of the conveying guide rail 3. The sliding of the first receiving plate 23 can be driven by a cylinder. First U-shaped grooves 231 are respectively provided on both sides of the first receiving plate 23. The first U-shaped grooves 231 can be connected to the conveying guide rail 3 by sliding the first receiving plate 23, facilitating material receiving. Using two first U-shaped grooves 231 allows for simultaneous detection and reversing processes on both sides, improving efficiency. A height sensor 21 is mounted on one side of the first receiving plate 23 via a sensor bracket 24. Two height sensors 21 are respectively positioned opposite the two first U-shaped grooves 231, facing towards the first U-shaped grooves 231. Two reversing cylinders 22 are symmetrically mounted on both sides of the first receiving plate 23.

[0044] In some embodiments, as shown in Figures 3, 4, and 6, a connecting seat 25 is installed between the first receiving plate 23 and the conveying guide rail 3. A material distribution rod 26 is vertically mounted on the upper side of the connecting seat 25. The material distribution rod 26 can be inserted into the central hole a1 of the piston A. When the material distribution rod 26 is inserted into the piston A, it can limit it on the connecting seat 25, thereby restricting the piston in the conveying guide rail 3 from continuing to feed towards the first receiving plate 23 and controlling the assembly rhythm. The bottom of the connecting seat 25 and the bottom of the first U-shaped groove 231 are both provided with clearance grooves 232 for avoiding the central column a2 of the piston A. When the piston A reverses direction, the central column a2 can be placed in the clearance groove 232 to avoid interference.

[0045] During feeding, the material distribution rod 26 rises, and the piston in the conveying guide rail 3 enters the first U-shaped groove 231 through the connecting seat 25. Then, the first receiving plate 23 slides, so that the other first U-shaped groove 231 is connected to the connecting seat 25 to receive the material. When there are pistons in both first U-shaped grooves 231, the material distribution rod 26 descends and is inserted into the center hole a1 of piston A, so that the piston in the conveying guide rail 3 stops feeding. Then, the height sensor 21 detects the height of the piston in the first U-shaped groove 231 to determine the direction. Then, the reversing cylinder 22 is placed directly on the material distribution guide rail 5 or reversing before being placed on the material distribution guide rail 5 according to the detection result.

[0046] In some embodiments, as shown in FIG4, a lifting rod 27 is movably mounted at the bottom of the first U-shaped groove 231, and the lifting rod 27 is driven by a cylinder. The lifting rod 27 can pass through the clearance groove 232 and push the piston A out of the first U-shaped groove 231 to facilitate the gripping of the reversing cylinder 22.

[0047] In some embodiments, as shown in Figures 4 and 5, first support seats 28 are symmetrically installed on both sides of the first receiving plate 23. A first horizontal slide block 281 is slidably installed on the first support seat 28 in the horizontal direction. The horizontal sliding of the first horizontal slide block 281 allows the reversing cylinder 22 to move between the first receiving plate 23 and the material distribution guide rail 5. The reversing cylinder 22 is vertically mounted on the first horizontal slide block 281, and a gripper 221 is rotatably mounted on the end of the reversing cylinder 22 facing the first receiving plate 23.

[0048] In some embodiments, as shown in Figures 7 and 8, the piston assembly assembly 4 further includes a first guide plate 42 that is liftably mounted on the upper side of the positioning seat 7. The first guide plate 42 is provided with a guide hole 421 adapted to the bottle body B, through which the piston suction head 41 can pass. When assembling the piston, the first guide plate 42 descends, and the bottle body B is placed in the guide hole 421, which can guide the bottle body to prevent it from tilting and ensure the assembly effect; then the piston suction head 41 picks up the piston and places it inside the bottle body B through the guide hole 421.

[0049] In some embodiments, as shown in Figures 7 and 8, a second receiving plate 43 is fixed to the end of the dispensing guide rail 5. Multiple second U-shaped grooves 431 are spaced apart along a straight line on the second receiving plate 43. The second U-shaped grooves 431 are used to receive pistons on the dispensing guide rail 5. The end of the dispensing guide rail 5 near the reversing assembly can be tilted, or the entire dispensing guide rail 5 can be tilted to facilitate smooth sliding of the piston along the dispensing guide rail 5. Second support seats 44 are symmetrically installed on both sides of the second receiving plate 43. A second horizontal slide block 441 is slidably installed on the second support seat 44 along a horizontal direction. The horizontal sliding of the second horizontal slide block 441 allows the piston suction head 41 to move between the second receiving plate 43 and the positioning seat 7. The piston suction head 41 can be lifted and lowered on the second horizontal slide block 441, and the first guide plate 42 can be lifted and lowered on the second support seat 44.

[0050] In some embodiments, as shown in Figures 2 and 9, a piston pushing assembly 6 is installed on one side of the piston assembly 4. The piston pushing assembly 6 is used to push the piston to move inside the bottle, simulating the actual action of the piston; and the inner wall of the bottle is generally coated with lubricating oil, which also helps lubricate the piston. The piston pushing assembly 6 includes a positioning seat 7 for positioning the bottle B, a second guide plate 61 that can be raised and lowered and installed on the upper side of the positioning seat 7, and an upper push rod 62 that can be raised and lowered and installed on the upper side of the second guide plate 61. The second guide plate 61 is provided with a second guide hole 611 adapted to the bottle B. The upper push rod 62 can pass through the second guide hole 611 and push the piston A to move downward. When pushing, the second guide plate 61 descends, and the bottle B is placed in the second guide hole 611, thereby guiding the bottle B to prevent tilting; then the upper push rod 62 descends, passes through the second guide hole 611 and pushes the piston A to move downward.

[0051] In some embodiments, as shown in Figures 9 and 10, the piston pushing assembly 6 further includes a lower push rod 63 that is vertically mounted on the bottom of the positioning seat 7. The lower push rod 63 passes through the positioning seat 7 and pushes the piston A upward. This structure is suitable for bottles with openings at both the top and bottom. When the bottle only has an upper opening, the lower push rod 63 is not used; the upper push rod 62 is sufficient to push the piston to the lower part. When the bottle has openings on both sides, the lower push rod 63 pushes the piston back to the upper side of the bottle. The piston pushing assembly 6 and the piston assembly 4 can be transferred between each other using a robotic arm.

[0052] In some embodiments, as shown in Figures 9 and 10, the positioning seat 7 is provided with a positioning hole 701, and the bottle body B is placed in the positioning hole 701; the positioning seat 7 is installed at the four corners of the rotating disk 702, and the bottle body on both sides can be transferred by rotating the rotating disk 702, which also facilitates the robotic arm to pick up the bottle body.

[0053] The same or similar parts between the various embodiments in this specification can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments.

[0054] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A piston assembly device for a cosmetic vacuum bottle, characterized in that, include: A vibratory feeder (1) is used for feeding the piston (A); a reversing assembly (2) is connected to the vibratory feeder (1) via a conveying guide rail (3) and is used to detect the forward and reverse direction of the piston (A) and reverse the piston (A) in the opposite direction; the reversing assembly (2) includes a height sensor (21) for detecting the forward and reverse direction and a reversing cylinder (22) for reversing; a piston assembly assembly (4) is connected to the reversing assembly (2) via a distributing guide rail (5) and is used to assemble the piston (A) into the bottle body (B); the piston assembly assembly (4) includes a positioning seat (7) for positioning the bottle body (B) and a piston suction head (41) movably mounted on the upper side of the positioning seat (7), the piston suction head (41) clamps the piston (A) and inserts it into the bottle body (B).

2. The cosmetic vacuum bottle piston assembly device as described in claim 1, characterized in that: The reversing assembly (2) further includes a first receiving plate (23) slidably mounted on the end of the conveying guide rail (3). The first receiving plate (23) has a first U-shaped groove (231) on each side. The height sensor (21) is mounted on one side of the first receiving plate (23) via a sensor bracket (24). The height sensor (21) faces the first U-shaped groove (231). The reversing cylinder (22) is symmetrically mounted on both sides of the first receiving plate (23).

3. The cosmetic vacuum bottle piston assembly device as described in claim 2, characterized in that: A connecting seat (25) is installed between the first receiving plate (23) and the conveying guide rail (3). A material distribution rod (26) is installed on the upper side of the connecting seat (25) and can be inserted into the center hole (a1) of the piston (A). Both the bottom of the connecting seat (25) and the bottom of the first U-shaped groove (231) are provided with clearance grooves (232) for avoiding the center column (a2) of the piston (A).

4. The cosmetic vacuum bottle piston assembly device as described in claim 3, characterized in that: A lifting rod (27) is installed at the bottom of the first U-shaped groove (231) and can be raised and lowered. The lifting rod (27) can pass through the clearance groove (232) and push the piston (A) out of the first U-shaped groove (231) to facilitate the gripping of the reversing cylinder (22).

5. The cosmetic vacuum bottle piston assembly device as described in claim 2, characterized in that: The first receiving plate (23) is symmetrically equipped with first support seats (28) on both sides. The first support seat (28) is slidably mounted with a first horizontal slide (281) in the horizontal direction. The reversing cylinder (22) is rotatably mounted on the first horizontal slide (281). The end of the reversing cylinder (22) facing the first receiving plate (23) is rotatably equipped with a gripper (221).

6. The cosmetic vacuum bottle piston assembly device as described in claim 1, characterized in that: The piston assembly (4) also includes a first guide plate (42) that can be lifted and installed on the upper side of the positioning seat (7). The first guide plate (42) is provided with a guide hole (421) that is adapted to the bottle body (B). The piston suction head (41) can pass through the guide hole (421).

7. The cosmetic vacuum bottle piston assembly device as described in claim 6, characterized in that: The end of the material distribution guide rail (5) is fixed with a second receiving plate (43), and a plurality of second U-shaped grooves (431) are spaced apart along the straight direction on the second receiving plate (43); a second support seat (44) is symmetrically installed on both sides of the second receiving plate (43), and a second horizontal slide (441) is slidably installed on the second support seat (44) along the horizontal direction; the piston suction head (41) can be lifted and lowered on the second horizontal slide (441), and the first guide plate (42) can be lifted and lowered on the second support seat (44).

8. The cosmetic vacuum bottle piston assembly device as described in claim 1, characterized in that: A piston pushing assembly (6) is installed on one side of the piston assembly (4). The piston pushing assembly (6) includes a positioning seat (7) for positioning the bottle (B), a second guide plate (61) that can be raised and lowered on the upper side of the positioning seat (7), and an upper push rod (62) that can be raised and lowered on the upper side of the second guide plate (61). The second guide plate (61) is provided with a second guide hole (611) that is adapted to the bottle (B). The upper push rod (62) can pass through the second guide hole (611) and push the piston (A) to move downward.

9. The cosmetic vacuum bottle piston assembly device as described in claim 8, characterized in that: The piston pushing assembly (6) also includes a lower push rod (63) that can be lifted and lowered and installed at the bottom of the positioning seat (7). The lower push rod (63) can pass through the positioning seat (7) and push the piston (A) to move upward.

10. The cosmetic vacuum bottle piston assembly device as described in claim 1 or 8, characterized in that: The positioning seat (7) is provided with a positioning hole (701), and the bottle body (B) is placed in the positioning hole (701); the positioning seat (7) is installed at the four corners of the rotating disk (702).

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