CN212965759U

CN212965759U - Pre-pressing device

Info

Publication number: CN212965759U
Application number: CN202022197373.6U
Authority: CN
Inventors: 黄奕宏; 黄敏辉; 秦超; 尹国伟; 杨杰; 庄庆波; 林锋; 廖耀祥
Original assignee: Shenzhen Sking Intelligent Equipment Co Ltd
Current assignee: Shenzhen Sking Intelligent Equipment Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-04-13
Anticipated expiration: 2030-09-29

Abstract

The utility model relates to the technical field of a rear cover pressing device, and provides a pre-pressing device, which comprises a pre-pressing bearing device and a pre-pressing device arranged above the pre-pressing bearing device; the prepressing bearing device comprises a prepressing bearing support frame, a prepressing swinging support frame which is rotatably supported on the prepressing bearing support frame, a prepressing swinging driving piece which drives the prepressing swinging support frame to rotate, a prepressing bearing seat which is rotatably supported on the prepressing swinging support frame and a prepressing rotating driving piece which drives the prepressing bearing seat to rotate; the prepressing pressing device comprises a prepressing pressing support frame, a prepressing pressing mechanism arranged on the prepressing pressing support frame in a liftable mode and a prepressing pressing driving assembly for driving the prepressing pressing mechanism to press the lens attached with the rubber ring into the rear cover. Compared with the prior art, the utility model provides a pre-compaction attaches together to be put can make lens push into the pilot hole smoothly to can guarantee the roughness on the back lid surface after the assembly.

Description

Pre-pressing device

Technical Field

The utility model belongs to the technical field of back lid compression fittings's technique and specifically relates to a pre-compaction attaches together and puts.

Background

In the market of intelligent wearable equipment, a smart watch can be a big head. The intelligent watch is built in with an intelligent system, carries a smart phone system and is connected to a network to realize multiple functions. In addition to indicating time, smart watches often add health-related intelligence functions such as step counting, sleep monitoring, and the like.

At present, most of smart watches, including the dial plate, generally have one or more modules such as GPS (Global Positioning System), NFC (Near Field Communication), Wi-Fi, bluetooth 4.0, and one or more of acceleration sensor, gyroscope, heart rate sensor, microphone, speaker, ambient light sensor, etc. in the dial plate. The bottom of the dial is provided with a light emitting diode and a photodiode which are protected by a condensing lens on the bottom cover. In lens and back lid installation, because the surface of back lid is for having the curved surface of certain radian, after lid after pressing the lens into through pressure head mechanism, lens are easy to bulge or cave in the surface of back lid, and the yields is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pre-compaction attaches together to after the lid is impressed to the lens that exists among the solution prior art, lens are easy to be protruded or sunken in the technical problem on the surface of back lid.

In order to achieve the above object, the utility model adopts the following technical scheme: providing a pre-pressing device, which comprises a pre-pressing bearing device and a pre-pressing device arranged above the pre-pressing bearing device; the pre-pressing bearing device comprises: the prepressing bearing support frame comprises a prepressing bearing bottom plate and a prepressing bearing vertical plate connected with the prepressing bearing bottom plate; the prepressing swinging support can be rotatably supported on the prepressing bearing vertical plate by taking the direction vertical to the surface of the prepressing bearing vertical plate as a shaft, and comprises a prepressing swinging bottom plate; the prepressing swinging driving piece can drive the prepressing swinging bracket to rotate relative to the prepressing bearing vertical plate; the prepressing bearing seat is used for placing a rear cover to be attached, and the prepressing bearing seat can be rotatably supported on the prepressing swinging bottom plate by taking the direction vertical to the surface of the prepressing swinging bottom plate as an axis; the prepressing rotary driving piece can drive the prepressing bearing seat to rotate relative to the prepressing swinging bottom plate; the rear cover is provided with an arc-shaped assembling surface positioned on the top surface of the rear cover, and a plurality of assembling holes are formed in the assembling surface; the prepressing pressing device comprises a prepressing pressing support frame, a prepressing pressing mechanism which is arranged on the prepressing pressing support frame in a liftable mode and used for grabbing the lens attached with the rubber ring, and a prepressing pressing driving assembly which can drive the prepressing pressing mechanism to perform lifting motion relative to the prepressing pressing support frame and press the lens attached with the rubber ring into the assembly hole of the rear cover when the prepressing pressing bearing device moves.

Furthermore, the prepressing rotary driving part is fixed on the prepressing swinging bottom plate and is provided with a prepressing rotary driving part, and the prepressing rotary driving part is fixedly connected with the prepressing bearing seat.

Furthermore, the pre-pressing swinging driving part is fixed on the pre-pressing bearing vertical plate, and an output shaft of the pre-pressing rotating driving part is connected and fixed with the pre-pressing swinging support through the speed reducer.

Further, the bottom surface of the prepressing bearing bottom plate is provided with a first direction and a second direction which are vertical to each other; the pre-pressing bearing device further comprises a first pre-pressing bearing driving module and a second pre-pressing bearing driving module, wherein the first pre-pressing bearing driving module can drive the pre-pressing bearing support frame to move in the direction parallel to the first direction, and the second pre-pressing bearing driving module can drive the pre-pressing bearing support frame to move in the direction parallel to the second direction.

Furthermore, the prepressing bearing seat is provided with a prepressing bearing heating assembly for heating the rear cover placed on the prepressing bearing seat.

Furthermore, the prepressing bearing seat is provided with a prepressing bearing holding assembly for positioning and holding the rear cover placed on the prepressing bearing seat.

Further, pre-compaction pushes down drive assembly including rotationally set up the pre-compaction on the pre-compaction pushes down the support frame and push down the nut seat and can make the pre-compaction push down the pre-compaction of lead screw pivoted pre-compaction on the lead screw and push down drive assembly, pre-compaction push down mechanism fixed connection in pre-compaction push down the nut seat, pre-compaction push down drive assembly support on the pre-compaction support frame and with the pre-compaction push down the lead screw be connected.

Further, the pre-pressing pushing mechanism comprises a pre-pressing pushing main bracket connected with the pre-pressing pushing driving assembly and a pre-pressing pushing base connected with the pre-pressing pushing main bracket, and the pre-pressing pushing base is provided with a pre-pressing pushing adsorption rod for adsorbing and fixing the lens attached with the rubber ring.

Further, the pre-pressing pushing mechanism further comprises a pre-pressing pushing auxiliary support arranged on the pre-pressing pushing main support in a liftable mode, a pre-pressing pushing buffer cylinder is arranged on the pre-pressing pushing main support, the pre-pressing pushing buffer cylinder is located above the pre-pressing pushing auxiliary support and connected with the pre-pressing pushing auxiliary support, and a pre-pressing pushing seat is fixedly arranged on the pre-pressing pushing auxiliary support.

Furthermore, a prepressing pressing heating component is arranged on the prepressing pressing seat and used for heating the lens which is fixed by the prepressing pressing adsorption rod and is adhered with the rubber ring.

Compared with the prior art, the utility model provides a pre-compaction device, including pre-compaction load bearing device and pre-compaction push-down device, pre-compaction load bearing device includes pre-compaction load bearing support frame, pre-compaction swing bracket, pre-compaction swing driving piece, be used for placing the pre-compaction load bearing seat and the pre-compaction rotary driving piece of the back lid of waiting to laminate, pre-compaction swing bracket uses the direction that perpendicular to pre-compaction load bearing support frame's pre-compaction load bearing riser surface as the axle rotationally supports on pre-compaction load bearing riser, pre-compaction load bearing seat uses the direction that perpendicular to pre-compaction swing support frame's pre-compaction swing bottom plate surface as the axle rotationally; the prepressing downward-pressing device comprises a prepressing downward-pressing support frame, a prepressing downward-pressing mechanism and a prepressing downward-pressing driving assembly, wherein the prepressing downward-pressing mechanism is arranged on the prepressing downward-pressing support frame in a lifting mode and used for grabbing the lens attached with the rubber ring, in this way, after the prepressing bearing seat rotates for a preset angle through the prepressing rotary driving piece, the assembling hole to be assembled is right opposite to the prepressing downward-pressing device, and the prepressing swinging support frame swings up and down through the prepressing swinging driving piece, so that the top surface of the assembling hole to be assembled on the assembling surface is approximately horizontally arranged, under the driving of the prepressing downward-pressing driving assembly, the prepressing downward-pressing mechanism downwards moves the lens attached with the rubber ring and presses the lens into the lens to be assembled with the rear cover, and therefore the lens can be smoothly pressed into the assembling hole, and the flatness of the surface of the.

Drawings

Fig. 1 is a schematic perspective view of a pre-pressing device according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a pre-pressing bearing device provided in an embodiment of the present invention;

fig. 3 is a schematic perspective view of a pre-pressing bearing device according to an embodiment of the present invention.

Description of the main elements

1003-pre-pressing device; 160-prepressing and pressing device; 161-prepressing and pressing the support frame; 162-prepressing and pressing mechanism; 1621-prepressing and pressing the main support; 1622-pressing the pressing seat in advance; 1623-pressing down the adsorption rod; 1624-prepressing and pressing the secondary support; 1625-prepressing the pressing buffer cylinder; 1626-prepressing and pressing the heating assembly; 163-pre-press down drive assembly; 1631 prepressing and pressing the screw rod; 1632-prepressing the pressing driver; 170-pre-pressing bearing device; 171-prepressing the bearing support frame; 1711-prepressing the bearing bottom plate; 1712 pre-pressing the bearing vertical plate; 172-prepressing the swing bracket; 1721-pre-pressing the swing base plate; 173-pre-pressure swing drive; 174-prepressing bearing seat; 175-pre-compression rotary drive; 1751-prepressing rotation driving part; 176-a reducer; 177-a first pre-pressing bearing driving module; 178-second preloading bearing driving module; 179-pre-pressing the load bearing heating element; 1710-preloading bearing and retaining components; 17101-prepressing the positioning block; 17102-preloading bearing and maintaining the guide rail; 17103-preloading the bearing and retaining cross bar; 301-a lens; 303-rear cover; 3031-an assembly face; 3032-fitting holes.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It is to be understood that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is provided for the implementation of the present invention with reference to the specific drawings.

For convenience of description, the terms "front", "back", "left", "right", "up" and "down" used herein are the same as the drawings, but do not limit the structure of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

As shown in fig. 1 to fig. 3, the pre-pressing device 1003 provided in this embodiment includes a pre-pressing bearing device 170 and a pre-pressing device 160 disposed above the pre-pressing bearing device 170; the preload carrier 170 includes: the pre-pressing bearing support frame 171 comprises a pre-pressing bearing bottom plate 1711 and a pre-pressing bearing vertical plate 1712 connected with the pre-pressing bearing bottom plate 1711; the prepressing swinging bracket 172 is rotatably supported on the prepressing bearing vertical plate 1712 by taking the direction vertical to the surface of the prepressing bearing vertical plate 1712 as an axis, and the prepressing swinging bracket 172 comprises a prepressing swinging bottom plate 1721; a pre-pressing swinging driving part 173 capable of driving the pre-pressing swinging bracket 172 to rotate relative to the pre-pressing bearing vertical plate 1712; a pre-pressing bearing seat 174 for placing the back cover 303 to be attached, the pre-pressing bearing seat 174 being rotatably supported on the pre-pressing swing base plate 1721 with a direction perpendicular to the surface of the pre-pressing swing base plate 1721 as an axis; the prepressing rotary driving piece 175 can drive the prepressing bearing seat 174 to rotate relative to the prepressing swinging bottom plate 1721; the rear cover 303 is provided with an arc-shaped assembly surface 3031 positioned on the top surface of the rear cover, and a plurality of assembly holes 3032 are formed in the assembly surface 3031; the pre-pressing device 160 includes a pre-pressing support frame 161, a pre-pressing mechanism 162 liftably disposed on the pre-pressing support frame 161 for grasping the lens 301 attached with the rubber ring, and a pre-pressing driving assembly 163 capable of driving the pre-pressing mechanism 162 to move up and down relative to the pre-pressing support frame 161 and press the lens 301 attached with the rubber ring into the fitting hole 3032 of the rear cover 303 when moving toward the pre-pressing carrier 170.

The pre-pressing device 1003 includes a pre-pressing bearing device 170 and a pre-pressing device 160, the pre-pressing bearing device 170 includes a pre-pressing bearing support frame 171, a pre-pressing swinging support 172, a pre-pressing swinging driving member 173, a pre-pressing bearing seat 174 for placing the rear cover 303 to be attached, and a pre-pressing rotating driving member 175, the pre-pressing swinging support 172 is rotatably supported on the pre-pressing bearing vertical plate 1712 by taking a direction perpendicular to a surface of the pre-pressing bearing vertical plate 1712 of the pre-pressing bearing support frame 171 as an axis, and the pre-pressing bearing seat 174 is rotatably supported on the pre-pressing swinging bottom plate 1721 by taking a direction perpendicular to a surface of the pre-pressing swinging bottom plate; the pre-pressing device 160 comprises a pre-pressing support frame 161, a pre-pressing mechanism 162 and a pre-pressing driving component 163, wherein the pre-pressing mechanism 162 is arranged on the pre-pressing support frame 161 in a lifting way and used for grabbing the lens 301 attached with the rubber ring, so that after the pre-pressing bearing seat 174 is rotated by a preset angle through the pre-pressing rotary driving component 175, the assembling hole 3032 to be assembled is opposite to the pre-pressing device 160, and the pre-pressing swinging support 172 is swung up and down through the pre-pressing swinging driving component 173, so that the top surface of the assembling hole 3032 to be assembled on the assembling surface 3031 is approximately horizontally arranged, under the driving of the pre-pressing driving component 163, the pre-pressing mechanism 162 downwards moves the lens 301 attached with the rubber ring and presses the lens 301 into the rear cover 303 to complete the assembly of the lens 301 and the rear cover 303, thereby the lens can be smoothly pressed into the assembling hole 3032 and the surface of the assembled rear cover 303 can be ensured to be smooth, therefore, the assembly of the lens 301 and the rear cover 303 is realized, and the automation degree is high.

Referring to fig. 1 and 2, the pre-pressing device 1003 includes a pre-pressing bearing device 170 and a pre-pressing depressing device 160. In this embodiment, the pre-pressing device 160 is disposed above the pre-pressing device 170 and can move up and down (up and down direction shown in the figure) relative to the pre-pressing device 170, the pre-pressing device 160 is used to fix the lens 301, the rubber ring is attached to the outer circumference of the lens 301, the pre-pressing device 170 is used to place the rear cover 303, the rear cover 303 has an arc-shaped mounting surface 3031 located on the top surface (after the watch is made, the mounting surface 3031 is located on the bottom surface of the watch dial and contacts or faces the skin of the wrist when worn), the mounting surface 3031 is roughly in the shape of a middle bulge, a plurality of mounting holes 3032 are opened on the mounting surface 3031, and the mounting holes 3032 are disposed off the center, it can be understood that as the pre-pressing device 160 moves downward (below direction shown in the figure) to press the lens 301 attached with the rubber ring into the corresponding mounting hole 3032 on the rear cover 303.

Referring to fig. 1 and 2, the pre-pressing bearing device 170 includes a pre-pressing bearing support frame 171, a pre-pressing swing bracket 172, a pre-pressing swing driving member 173, a pre-pressing bearing seat 174, and a pre-pressing rotary driving member 175; the pre-pressing bearing support frame 171 comprises a pre-pressing bearing bottom plate 1711 and a pre-pressing bearing vertical plate 1712 connected with the pre-pressing bearing bottom plate 1711; the pre-pressing swing bracket 172 is rotatably supported on the pre-pressing bearing vertical plate 1712 by taking the direction vertical to the surface of the pre-pressing bearing vertical plate 1712 as an axis, and the pre-pressing swing bracket 172 comprises a pre-pressing swing bottom plate 1721; the pre-pressing swing driving component 173 can drive the pre-pressing swing bracket 172 to rotate relative to the pre-pressing bearing vertical plate 1712; the pre-pressing bearing seat 174 is used for placing the rear cover 303 to be attached, and the pre-pressing bearing seat 174 is rotatably supported on the pre-pressing swinging bottom plate 1721 by taking the direction vertical to the surface of the pre-pressing swinging bottom plate 1721 as an axis; the pre-pressure rotary driving member 175 can drive the pre-pressure bearing seat 174 to rotate relative to the pre-pressure swing base plate 1721.

In this embodiment, the pre-pressing bearing support frame 171 includes a pre-pressing bearing bottom plate 1711 and pre-pressing bearing vertical plates 1712 connected to the pre-pressing bearing bottom plate 1711, the number of the pre-pressing bearing vertical plates 1712 is but not limited to two, the two pre-pressing bearing vertical plates 1712 are parallel to each other and are respectively connected to the left and right sides (left and right sides in the figure) of the pre-pressing bearing bottom plate 1711, and the pre-pressing bearing vertical plates 1712 are substantially perpendicular to the pre-pressing bearing bottom plate 1711; the pre-pressing swing bracket 172 is integrally arranged in the pre-pressing bearing support frame 171 and is rotatably supported on the pre-pressing bearing vertical plate 1712 by taking a direction perpendicular to the side wall surface of the pre-pressing bearing vertical plate 1712 as an axis, and the pre-pressing swing bracket 172 comprises a pre-pressing swing bottom plate 1721; the pre-pressing swinging driving component 173 is, but not limited to, a motor, and is fixedly installed on the pre-pressing bearing vertical plate 1712 of the pre-pressing bearing support frame 171 and connected to the pre-pressing swinging bracket 172, and the pre-pressing swinging bracket 172 can rotate relative to the pre-pressing bearing vertical plate 1712 under the driving of the pre-pressing swinging driving component 173, so as to swing up and down (up and down direction shown in the figure); the pre-pressing bearing seat 174 is used for placing the rear cover 303 to be attached and holding the rear cover 303, and the pre-pressing bearing seat 174 is rotatably supported on the pre-pressing swinging bottom plate 1721 by taking the direction vertical to the surface of the pre-pressing swinging bottom plate 1721 as an axis; the pre-pressing rotary driving member 175 is, but not limited to, a motor, and the pre-pressing bearing seat 174 can rotate relative to the pre-pressing swinging bottom plate 1721 under the driving of the pre-pressing rotary driving member 175; it should be noted that, since the assembly surface 3031 of the rear cover 303 is a curved surface with a convex middle portion, when the number of the assembly holes 3032 is plural, after the pre-pressing bearing seat 174 is rotated by the pre-pressing rotary driving member 175 by a predetermined angle, the assembly hole 3032 to be assembled is directly opposite to the pre-pressing depressing device 160, and the pre-pressing swinging supporting frame 172 is swung up and down by the pre-pressing swinging driving member 173, so that the top surface of the assembly hole 3032 to be assembled on the assembly surface 3031 is substantially horizontal (i.e., the central axis of the assembly hole 3032 is perpendicular to the surface of the pre-pressing bearing bottom plate 1711), so that the lens 301 to which the rubber ring is attached can be smoothly pressed into the assembly hole 3032, and the edge of the lens 301 pressed into the assembly surface 3031 is not obtrushed outside the assembly surface 3031, thereby ensuring the flatness of the surface of the assembled.

Referring to fig. 1 and 2, the pre-pressure depressing device 160 includes a pre-pressure depressing support frame 161, a pre-pressure depressing mechanism 162, and a pre-pressure depressing drive assembly 163. In this embodiment, the pre-pressing support frame 161 is fixedly installed above the pre-pressing support device 170 (above the illustrated device), the pre-pressing mechanism 162 and the pre-pressing driving assembly 163 are both supported on the pre-pressing support frame 161, the pre-pressing mechanism 162 is liftably installed on the pre-pressing support frame 161 and is used for grasping the lens 301 attached with the rubber ring, and the pre-pressing driving assembly 163 is connected to the pre-pressing mechanism 162 and is capable of driving the pre-pressing mechanism 162 to move up and down (up and down in the illustrated device) relative to the pre-pressing support frame 161, and presses the lens 301 attached with the rubber ring into the assembly hole 3032 of the rear cover 303 when moving towards the pre-pressing support device 170. In this way, the lens 301 to which the rubber ring is attached is fixed by the pre-pressing mechanism 162, and the pre-pressing mechanism 162 moves the lens 301 to which the rubber ring is attached downward and presses the lens into the rear cover 303 by the driving of the pre-pressing driving component 163, so that the lens 301 and the rear cover 303 are assembled.

Referring to fig. 1 and 2, the pre-pressing rotary driving member 175 is fixed on the pre-pressing swing base plate 1721, the pre-pressing rotary driving member 175 has a pre-pressing rotary driving portion 1751, and the pre-pressing rotary driving portion 1751 is fixedly connected with the pre-pressing bearing seat 174. In this embodiment, the pre-pressing rotary driving unit 175 is fixed to the pre-pressing swing base plate 1721 by any conventional fixing method such as screws and welding, the pre-pressing bearing seat 174 is fixed to the pre-pressing rotary driving unit 1751 by any conventional fixing method such as screws and welding, and the pre-pressing bearing seat 174 is driven by the pre-pressing rotary driving unit 1751 to rotate relative to the pre-pressing swing bracket 172 about an axis perpendicular to the direction of the pre-pressing swing base plate 1721.

Referring to fig. 1 and 2, the pre-pressure swing driving member 173 is fixed on the pre-pressure bearing vertical plate 1712, and an output shaft of the pre-pressure rotation driving member 175 is connected and fixed with the pre-pressure swing bracket 172 through a speed reducer 176. In this embodiment, the pre-pressing swing driving member 173 is fixed to one of the pre-pressing vertical bearing plates 1712 by any conventional fixing means such as screws and welding, and is connected and fixed to the pre-pressing swing bracket 172 through the speed reducer 176.

Referring to fig. 1 and 2, the bottom surface of the pre-pressing load-bearing bottom plate 1711 has a first direction (illustrated as direction D1) and a second direction (illustrated as direction D2) perpendicular to each other; the preload bearing device 170 further includes a first preload bearing driving module 177 capable of driving the preload bearing support frame 171 to move in a direction parallel to the first direction D1 and a second preload bearing driving module 178 capable of driving the preload bearing support frame 171 to move in a direction parallel to the second direction D2. In this embodiment, the first pre-pressing bearing driving module 177 is supported on the second pre-pressing bearing driving module 178 and is driven by the second pre-pressing bearing driving module 178 to move in a direction parallel to the second direction D2, the pre-pressing bearing support frame 171 is supported on the first pre-pressing bearing driving module 177 and is driven by the first pre-pressing bearing driving module 177 to move in a direction parallel to the first direction D1, the first pre-pressing bearing driving module 177 is a linear module that can be used to realize the translational driving of the pre-pressing bearing support frame 171 in the prior art, and the second pre-pressing bearing driving module 178 is a linear module that can be used to realize the translational driving of the first pre-pressing bearing driving module 177 in the prior art.

Referring to fig. 1 and 2, in the present embodiment, the pre-pressing carrier 174 is provided with a pre-pressing carrier heating assembly 179 for heating the rear cover 303 placed on the pre-pressing carrier 174, and the pre-pressing carrier heating assembly 179 includes, but is not limited to, one or more of an electric heating wire, an electric heating plate, an electric heating tape, an electric heating cable, an electric heating plate, an electric thermocouple, an electric heating rod, a mica heating plate, and a ceramic heating plate. It should be noted that the rubber ring is made of a plastic hot-melt material, and has no viscosity at normal temperature, and the viscosity is only obtained after the rubber ring is heated for a certain temperature and time, so that the rear cover 303 is heated by the heating assembly to ensure the viscosity of the rubber ring during the attaching operation with the lens 301.

As can be seen from fig. 3, a pre-pressure bearing holding assembly 1710 is disposed on the pre-pressure bearing seat 174 for positioning and holding the rear cover 303 placed on the pre-pressure bearing seat 174. In this embodiment, a pre-pressing positioning structure is disposed on the pre-pressing bearing seat 174, the pre-pressing positioning structure includes two pre-pressing positioning blocks 17101 protruding from the top surface of the pre-pressing bearing seat 174 and located at two adjacent corners on the top surface of the cover, the two pre-pressing positioning blocks 17101 are disposed at intervals, the pre-pressing positioning blocks 17101 have pre-pressing positioning walls abutting against the outer wall of the rear cover 303, the pre-pressing positioning walls extend obliquely outward from one side of the pre-pressing bearing seat 174 to the opposite side, and the two pre-pressing positioning walls are disposed in a central symmetry manner. The pre-pressing bearing and retaining assembly 1710 comprises a pre-pressing bearing and retaining guide rail 17102 installed on a pre-pressing rotary driving part 1751 of the pre-pressing rotary driving part 175, a pre-pressing bearing and retaining cross bar 17103 slidably arranged on the pre-pressing bearing and retaining guide rail 17102 and a pre-pressing bearing and retaining power part (not shown) enabling the pre-pressing bearing and retaining cross bar 17103 to move, the pre-pressing bearing and retaining cross bar 17103 can abut against the outer wall of the rear cover 303, the rear cover is pushed to move on the pre-pressing bearing seat 174 under the driving of the pre-pressing bearing and retaining power part, so that the rear cover 303 is pushed into two pre-pressing positioning blocks 17101, and the positioning of the rear cover is centered and the rear cover 303 is.

Referring back to fig. 1 and 2, in the present embodiment, the pre-pressing driving assembly 163 includes a pre-pressing screw rod 1631 rotatably disposed on the pre-pressing support frame 161, a pre-pressing nut seat (not shown) screwed on the pre-pressing screw rod 1631, and a pre-pressing driving assembly 1632 capable of rotating the pre-pressing screw rod 1631, the pre-pressing driving assembly 1632 is mounted on the top of the pre-pressing support frame 161 by any conventional fixing method such as screws and welding, the pre-pressing mechanism 162 is fixedly connected to the pre-pressing nut seat, and the pre-pressing driving assembly 1632 is, but not limited to, a motor and is connected to the pre-pressing screw rod 1631. In this way, the pre-pressure pressing screw rod 1631 is rotated by the pre-pressure pressing drive assembly 1632, so that the pre-pressure pressing nut seat and the pre-pressure pressing mechanism 162 are driven to move up and down (up and down in the drawing).

Referring to fig. 1 and 2, in the present embodiment, the pre-pressing mechanism 162 includes a pre-pressing main bracket 1621 connected to a pre-pressing nut base of the pre-pressing driving assembly 163 and a pre-pressing base 1622 connected to the pre-pressing main bracket 1621, the pre-pressing base 1622 has a pre-pressing adsorption rod 1623 for adsorbing and fixing the lens attached with the rubber ring, the pre-pressing adsorption rod 1623 is connected to a negative pressure device (not shown), and the lens 301 is fixed by extracting air to form a negative pressure.

Referring to fig. 1 and 2, in this embodiment, the pre-pressing pushing mechanism 162 further includes a pre-pressing pushing sub-support 1624 disposed on the pre-pressing pushing main support 1621 in a liftable manner, the pre-pressing pushing sub-support 1624 is slidably connected to the pre-pressing pushing main support 1621 through a ball guide rail, a pre-pressing pushing buffer cylinder 1625 is disposed on the pre-pressing pushing main support 1621, the pre-pressing pushing buffer cylinder 1625 is located above the pre-pressing pushing sub-support 1624 (shown above) and is connected to the pre-pressing pushing sub-support 1624, and a pre-pressing pushing seat 1622 is fixedly disposed on the pre-pressing pushing sub-support 1624. In this way, the lens 301 can be buffered by pressing the buffer cylinder 1625 with the preload in the process of pressing the lens 301 into the rear cover 303 by the preload pressing mechanism 162.

Referring to fig. 1 and 2, in the present embodiment, a pre-pressing and pressing seat 1622 is provided with a pre-pressing and pressing heating component 1626 for heating the lens 301 attached with the rubber ring and fixed by the pre-pressing and pressing adsorption rod 1623, and the pre-pressing and pressing heating component 1626 includes, but is not limited to, one or more of an electric heating wire, an electric heating plate, an electric heating tape, an electric heating cable, an electric heating disc, an electric thermocouple, an electric heating rod, a mica heating plate, and a ceramic heating plate. In this way, the lens 301 to which the rubber ring is attached is heated by pressing the heating member 1626 in advance to ensure the adhesiveness of the rubber ring at the time of attaching work with the rear cover 303.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A pre-pressing device is characterized by comprising a pre-pressing bearing device and a pre-pressing device arranged above the pre-pressing bearing device; the pre-pressing bearing device comprises: the prepressing bearing support frame comprises a prepressing bearing bottom plate and a prepressing bearing vertical plate connected with the prepressing bearing bottom plate; the prepressing swinging support is rotatably supported on the prepressing bearing vertical plate by taking the direction vertical to the surface of the prepressing bearing vertical plate as an axis, and comprises a prepressing swinging bottom plate; the prepressing swinging driving piece can drive the prepressing swinging bracket to rotate relative to the prepressing bearing vertical plate; the prepressing bearing seat is used for placing a rear cover to be attached, and the prepressing bearing seat can be rotatably supported on the prepressing swinging bottom plate by taking the direction vertical to the surface of the prepressing swinging bottom plate as an axis; the prepressing rotary driving piece can drive the prepressing bearing seat to rotate relative to the prepressing swinging bottom plate; the rear cover is provided with an arc-shaped assembling surface positioned on the top surface of the rear cover, and a plurality of assembling holes are formed in the assembling surface; the prepressing push-down device comprises a prepressing push-down support frame and a prepressing push-down mechanism which is arranged on the prepressing push-down support frame and used for grabbing the lens laminated with the rubber ring, and can drive the prepressing push-down mechanism to be relative to the prepressing push-down support frame to move up and down and to press the lens laminated with the rubber ring into the prepressing push-down driving assembly in the assembling hole of the rear cover when the prepressing bearing device moves.

2. The pre-pressing device according to claim 1, wherein the pre-pressing rotary driving member is fixed on the pre-pressing swing base plate, the pre-pressing rotary driving member has a pre-pressing rotary driving portion, and the pre-pressing rotary driving portion is fixedly connected with the pre-pressing bearing seat.

3. The pre-pressing device according to claim 1, wherein the pre-pressing swinging driving member is fixed on the pre-pressing bearing vertical plate, and an output shaft of the pre-pressing rotating driving member is fixedly connected with the pre-pressing swinging bracket through a speed reducer.

4. The pre-pressing device as claimed in claim 1, wherein the bottom surface of the pre-pressing load-bearing bottom plate has a first direction and a second direction perpendicular to each other; the pre-pressing bearing device further comprises a first pre-pressing bearing driving module and a second pre-pressing bearing driving module, wherein the first pre-pressing bearing driving module can drive the pre-pressing bearing support frame to move in the direction parallel to the first direction, and the second pre-pressing bearing driving module can drive the pre-pressing bearing support frame to move in the direction parallel to the second direction.

5. The pre-pressing device according to claim 1, wherein a pre-pressing bearing heating assembly is disposed on the pre-pressing bearing seat for heating a back cover placed on the pre-pressing bearing seat.

6. The pre-pressing device according to claim 1, characterized in that a pre-pressing bearing and retaining assembly is arranged on the pre-pressing bearing seat for positioning and retaining a back cover placed on the pre-pressing bearing seat.

7. The pre-pressing device according to any one of claims 1 to 6, wherein the pre-pressing drive assembly includes a pre-pressing lead screw rotatably disposed on the pre-pressing support frame, a pre-pressing nut seat screwed onto the pre-pressing lead screw, and a pre-pressing drive assembly capable of rotating the pre-pressing lead screw, the pre-pressing mechanism is fixedly connected to the pre-pressing nut seat, and the pre-pressing drive assembly is supported on the pre-pressing support frame and connected to the pre-pressing lead screw.

8. The pre-pressing device according to any one of claims 1 to 6, wherein the pre-pressing mechanism includes a pre-pressing main support connected to the pre-pressing driving assembly and a pre-pressing base connected to the pre-pressing main support, and the pre-pressing base has a pre-pressing adsorption rod for adsorbing and fixing the lens adhered with the rubber ring.

9. The pre-pressing device according to claim 8, wherein the pre-pressing mechanism further comprises a pre-pressing sub-bracket liftably disposed on the pre-pressing main bracket, the pre-pressing main bracket is provided with a pre-pressing buffer cylinder, the pre-pressing buffer cylinder is located above the pre-pressing sub-bracket and connected to the pre-pressing sub-bracket, and the pre-pressing seat is fixedly disposed on the pre-pressing sub-bracket.

10. The pre-pressing device as claimed in claim 8, wherein the pre-pressing seat is provided with a pre-pressing heating assembly for heating the lens adhered with the rubber ring and fixed by the pre-pressing adsorption rod.