Assembling device for rear cover of flashlight

Abstract

An assembling device for a rear cover of a flashlight comprises a conveying rotary disc, positioning shaft sleeves are evenly installed at the position, close to the circumference, of the conveying rotary disc, a cover body is placed in the positioning shaft sleeves, and the conveying rotary disc is sequentially provided with a cover body feeding station, a button switch feeding station, an assembling station and a discharging station in the rotating direction. A pressing rod is arranged above the assembling station, the upper portion of the pressing rod is fixed to the stamping part, and an upper groove is machined in the bottom of the pressing rod. A liftable ejector rod is arranged below the discharging station, an air blowing mechanism is arranged above the discharging station, the air blowing mechanism is located on the inner side of the discharging station, and an air outlet of the air blowing mechanism faces the outer side of the discharging station; the device adopts a rotating disc type structure to complete the continuous feeding and assembling process of each component, each station is reasonable in design, and compared with a single-station mode, not only is the overall occupied area of the device reduced, but also the assembling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to an assembly device for a flashlight rear cover. Background Art

[0002] Flashlights are easy to carry and are an important lighting tool for people traveling at night or lighting indoors during power outages. The back cover is an important part of the flashlight. Figure 7 The rear cover structure shown includes a cover body and a push button switch. The assembly of the rear cover mainly involves press-fitting the push button switch into the cover body. The existing assembly process is mostly performed manually for positioning and pressing, resulting in low assembly efficiency. Utility Model Content

[0003] In view of the shortcomings existing in the above problems, the utility model provides an assembly device for a flashlight back cover.

[0004] To achieve the above-mentioned purpose, the utility model provides an assembly device for the back cover of a flashlight, comprising a conveying turntable, the center position of which is fixedly mounted on a cam divider, positioning sleeves are evenly mounted on the conveying turntable near the circumference, the cover body is placed in the positioning sleeves, and the conveying turntable is sequentially provided with a cover body feeding station, a button switch feeding station, an assembly station, and a discharging station along the rotation direction;

[0005] A stepped hole is processed at the center of the positioning sleeve, the lower edge of the cover body is placed on the stepped surface of the stepped hole, and the upper edge of the positioning sleeve is radially extended to form a convex edge, which is connected and positioned with the conveying turntable by bolts;

[0006] A pressure rod is provided above the assembly station, the upper part of the pressure rod is fixed to the stamping part, and the bottom of the pressure rod is processed with an upper groove;

[0007] A liftable push rod is provided below the discharging station, and a blower mechanism is provided above the discharging station. The blower mechanism is located inside the discharging station, and an air outlet of the blower mechanism faces outside the discharging station.

[0008] As a further improvement of the utility model, an elastic pad is provided between the convex edge and the conveying turntable, and a support base is provided under the assembly station, and the position of the support base corresponds to the pressure rod.

[0009] As a further improvement of the utility model, the edge of the upper large hole of the step hole is chamfered.

[0010] As a further improvement of the utility model, the lower part of the push rod is connected to the push cylinder, and the outer diameter of the push rod matches the small hole diameter of the step hole.

[0011] As a further improvement of the utility model, a guide plate is obliquely arranged at the outer edge of the discharging station.

[0012] As a further improvement of the utility model, a feeding port is provided above the cover body feeding station, and a manipulator is provided outside the button switch feeding station.

[0013] The beneficial effects of the utility model are:

[0014] In the device, the cover bodies fall one by one from the feed port into the positioning sleeve, a robot is used to place a button switch on the upper part of the cover body, a pressure rod presses the button switch into the cover body, and a support base provides support during the pressing process. After assembly, the rear cover is pushed out of the positioning sleeve as a whole by a push rod and blown out to the guide plate by a blower mechanism. Each station is reasonably designed, and a turntable structure is used to complete the continuous feeding and assembly process of each component. Compared with the single-station mode, it not only reduces the overall footprint of the device, but also improves the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of an assembly device for a flashlight back cover according to the utility model;

[0016] Figure 2 It is a top view of an assembly device for a flashlight back cover according to the utility model;

[0017] Figure 3 It is a structural schematic diagram of the discharging station 64;

[0018] Figure 4 It is a structural schematic diagram of the positioning sleeve 4;

[0019] Figure 5 It is a working schematic diagram of the assembly station 63;

[0020] Figure 6 It is a working schematic diagram of the discharging station 64;

[0021] Figure 7 This is a schematic diagram of the structure after the rear cover 3 is assembled;

[0022] Figure 8 is a schematic structural diagram of the cover body 32;

[0023] Fig. 9 Schematic diagram of the structure of the push button switch 33.

[0024] In the figure: 1. stamping part; 2. pressure rod; 21. upper groove; 3. back cover; 31. rubber plug; 32. cover body; 33. push button switch; 331. pressing part; 332. reinforcing rib; 333. metal conductive sheet; 334. spring; 34. metal layer; 4. positioning sleeve; 41. step hole; 42. convex edge; 5. elastic pad; 6. conveying turntable; 61. cover body feeding station; 62. push button switch feeding station; 63. assembly station; 64. discharging station; 7. supporting base; 8. cam divider; 9. feeding port; 10. manipulator; 11. guide plate; 12. ejector rod; 13. push cylinder; 14. blower mechanism. DETAILED DESCRIPTION

[0025] like Figure 1 , Figure 2 As shown, the utility model describes an assembly device for a flashlight back cover, comprising a conveying turntable 6, the center position of the conveying turntable 6 is fixedly mounted on a cam divider 8, a positioning sleeve 4 is evenly mounted near the circumference of the conveying turntable 6, a cover body 32 is placed in the positioning sleeve 4, and the conveying turntable 6 is sequentially provided with a cover body feeding station 61, a button switch feeding station 62, an assembly station 63, and a discharging station 64 along the rotation direction, a feed port 9 is provided above the cover body feeding station 61, and a manipulator 10 is provided outside the button switch feeding station 62;

[0026] A stepped hole 41 is processed at the center of the positioning sleeve 4, and the edge of the large hole on the upper part of the stepped hole 41 is chamfered. The lower edge of the cover body 32 is placed on the stepped surface of the stepped hole 41, and the upper edge of the positioning sleeve 4 extends radially to form a convex edge 42 (see Figure 4 ), the flange 42 is connected and positioned with the conveying turntable 6 by bolts, and an elastic pad 5 is provided between the flange 42 and the conveying turntable 6;

[0027] A pressure rod 2 is provided above the assembly station 63, the upper part of the pressure rod 2 is fixed to the stamping part 1, an upper groove 21 is processed at the bottom of the pressure rod 2, and a support base 7 is provided below the assembly station 63, and the position of the support base 7 corresponds to the pressure rod 2;

[0028] like Figure 3 As shown, a liftable push rod 12 is provided below the discharging station 64, the lower part of the push rod 12 is connected to a push cylinder 13, the outer diameter of the push rod 12 matches the small hole diameter of the step hole 41, and a blower mechanism 14 is provided above the discharging station 64. The blower mechanism 14 is located on the inner side of the discharging station 64, the air outlet of the blower mechanism 14 faces the outside of the discharging station 64, and a guide plate 11 is obliquely provided at the outer edge of the discharging station 64.

[0029] In the device, the cover bodies fall one by one from the feed port into the positioning sleeve, a robot is used to place a button switch on the upper part of the cover body, a pressure rod presses the button switch into the cover body, and a support base provides support during the pressing process. After assembly, the rear cover is pushed out of the positioning sleeve as a whole by a push rod and blown out to the guide plate by a blower mechanism. Each station is reasonably designed, and a turntable structure is used to complete the continuous feeding and assembly process of each component. Compared with the single-station mode, it not only reduces the overall footprint of the device, but also improves the assembly efficiency.

[0030] In order to facilitate the understanding of the present invention, the following description is given in conjunction with the accompanying drawings during specific use;

[0031] like Figure 7-9 As shown, the back cover 3 includes a cover body 32 and a button switch 33. A rubber plug 31 is installed at the lower part of the cover body 32. A metal layer 34 is provided on the inner wall of the cover body 32. A pressing portion 331 is provided at the lower part of the button switch 33. A reinforcing rib 332 is axially provided on the outer circumference of the button switch 33. Metal conductive sheets 333 are also symmetrically provided on the outer circumference of the button switch 33. A spring 334 is provided on the top of the button switch 33. The lower part of the button switch 33 is in a conical structure. After assembly, the button switch 33 is pressed into the cover body 32 to form an interference fit. The metal conductive sheet 333 is bent upward and abuts on the metal layer 34. The pressing portion 331 extends into the rubber plug 31 for easy pressing.

[0032] Each time the power shaft of the cam divider rotates one circle, the output shaft completes a division process of one movement and one stop, that is, the conveying turntable rotates one station; at the cover feeding station, the cover with a rubber plug falls along the feed port into the positioning sleeve, and the lower edge of the cover is placed on the step surface of the step hole to form a positioning; at the button switch feeding station, the robot places the button switch at the upper opening of the cover, and the pressing part of the button switch is placed downward; at the assembly station, the stamping part drives the pressure rod downward, and the lower part of the pressure rod forms a downward pressure on the button switch, and the button switch generates a downward pressure on the cover and the positioning sleeve accordingly, and the elastic pad between the positioning sleeve and the conveying turntable is slightly compressed, and the lower part of the positioning sleeve contacts the support base, which provides support force until the button switch is completely pressed into the cover (see Figure 5 ), the stamping part drives the pressing rod upward to reset, the elastic pad relies on its own elastic memory to recover and drives the positioning sleeve to reset; at the unloading station, the push cylinder drives the push rod upward, the upper part of the push rod extends into the step hole of the positioning sleeve and pushes the rear cover out of the step hole as a whole, and the blower mechanism blows the rear cover out to the guide plate to complete the unloading process (see Figure 6 ).

[0033] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An assembly device for a flashlight back cover, characterized in that: The invention comprises a conveying turntable (6), wherein the center position of the conveying turntable (6) is fixedly mounted on a cam divider (8), positioning sleeves (4) are evenly mounted on the conveying turntable (6) near the circumference, a cover body (32) is placed in the positioning sleeve (4), and the conveying turntable (6) is sequentially provided with a cover body feeding station (61), a button switch feeding station (62), an assembly station (63), and a discharging station (64) along the rotation direction; A stepped hole (41) is machined at the center of the positioning sleeve (4), the lower edge of the cover body (32) rests on the stepped surface of the stepped hole (41), and the upper edge of the positioning sleeve (4) radially extends to form a convex edge (42), and the convex edge (42) is connected to the conveying turntable (6) by bolts for positioning; A pressure rod (2) is provided above the assembly station (63), the upper part of the pressure rod (2) is fixed to the stamping part (1), and the bottom of the pressure rod (2) is processed with an upper groove (21); A liftable push rod (12) is provided below the discharging station (64), and a blower mechanism (14) is provided above the discharging station (64). The blower mechanism (14) is located inside the discharging station (64), and an air outlet of the blower mechanism (14) faces outside the discharging station (64).

2. The assembly device for the back cover of a flashlight according to claim 1, characterized in that: An elastic pad (5) is provided between the convex edge (42) and the conveying turntable (6), and a support base (7) is provided below the assembly station (63), and the position of the support base (7) corresponds to the pressure rod (2).

3. The assembly device for the back cover of a flashlight according to claim 1, characterized in that: The upper large hole edge of the step hole (41) is chamfered.

4. The assembly device for the back cover of a flashlight according to claim 1, characterized in that: The lower part of the push rod (12) is connected to the push cylinder (13), and the outer diameter of the push rod (12) matches the small hole diameter of the step hole (41).

5. The assembly device for the back cover of a flashlight according to claim 1, characterized in that: A guide plate (11) is obliquely arranged at the outer edge of the discharging station (64).

6. The assembly device for the back cover of a flashlight according to claim 1, characterized in that: A feeding port (9) is provided above the cover body feeding station (61), and a manipulator (10) is provided outside the button switch feeding station (62).

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