CN114670011B - Hide assembly line of rail - Google Patents

Abstract

The invention discloses an assembly production line of a hidden rail, which comprises: the upper rail conveying mechanism is provided with a first assembly station; the middle rail conveying mechanism is provided with a second assembling station; the rail penetrating mechanism comprises a synchronous belt component, a synchronous rod, a pushing component and a guiding component, the first guiding rail extends leftwards and rightwards, and the pushing component and the guiding component are both connected with the first guiding rail in a sliding manner; the synchronous belt component is used for driving the pushing component to move left and right, the right end of the synchronous rod is fixedly connected with the pushing component, and the left end of the synchronous rod is connected with the guide component in a sliding manner; the first assembly station and the second assembly station are provided with the rail penetrating mechanisms; the first limiting cylinder is used for fixing the middle rail on the second assembly station, and under the action of the rail penetrating mechanism, connection between the layer rails can be automatically realized, and the assembly efficiency is improved.

Description

Hide assembly line of rail

Technical Field

The invention relates to the technical field of slide rail assembling equipment, in particular to an assembling production line for a hidden rail.

Background

The sliding rail is also called as a guide rail and a slideway, and refers to a hardware connecting part which is fixed on a cabinet body of furniture and is used for a drawer or a cabinet plate of the furniture to move in and out. At the present stage, the combination and assembly of the slide rails are generally carried out by single manual assembly by workers in units and single working procedures in cooperation with auxiliary tools, a punch press or a press machine, the assembly time is long, the quality of the manufactured products is uneven, and the use requirements of mass production are not facilitated.

The hidden rail comprises more than two layer rails, and is slid between the layer rails, so that the use requirements of the in-and-out movement of a drawer or a cabinet plate are met, and the problem that the layer rails cannot be accurately aligned to cause time consumption or workpiece damage is easily caused in the process of assembling between the layer rails.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

The invention provides an assembly production line of hidden rails, which comprises an upper rail conveying mechanism, a first assembly station and a second assembly station, wherein the upper rail conveying mechanism is used for conveying an upper rail from back to front; the middle rail conveying mechanism is used for conveying the middle rail from back to front, a second assembly station is arranged on the middle rail conveying mechanism, and the first assembly station and the second assembly station are opposite and are arranged left and right; the rail penetrating mechanism comprises a first rack, a synchronous belt assembly, a synchronous rod, a pushing assembly and a guiding assembly, wherein the synchronous belt assembly is arranged on the first rack and extends leftwards and rightwards; the synchronous belt component is in transmission connection with the first sliding block and used for driving the first sliding block to move left and right, the first driving device is arranged on the first sliding block and used for driving the first pushing block to move up and down, the second driving device is arranged on the second sliding block and used for driving the guide block to move up and down, the right end of the synchronous rod is fixedly connected with the second sliding block, the left end of the synchronous rod is in sliding connection with the first sliding block, two abutting blocks are fixed on the synchronous rod and respectively positioned on the left side and the right side of the first sliding block; a rail penetrating mechanism is arranged at the position, opposite to the first assembling station and the second assembling station; the first limiting cylinder is arranged right opposite to the second assembly station and used for fixing the middle rail on the second assembly station.

According to the assembly production line of the hidden rail provided by the embodiment of the invention, at least the following beneficial effects are achieved: the first assembly station and the second assembly station are arranged oppositely and leftwards and rightwards, a rail penetrating mechanism is arranged at the position where the first assembly station and the second assembly station are opposite, a first sliding block and a second sliding block are arranged leftwards and rightwards and are both connected with a first guide rail in a sliding manner, the right end of a synchronizing rod is fixedly connected with the second sliding block, the left end of the synchronizing rod is connected with the first sliding block in a sliding manner, two abutting blocks are respectively positioned at the left side and the right side of the first sliding block, a first driving device is arranged on the first sliding block and can drive the first pushing block to move upwards and downwards, a second driving device is arranged on the second sliding block and can drive the guide blocks to move upwards and downwards, a synchronizing belt component is in transmission connection with the first sliding block and can drive the first sliding block to move rightwards like a synchronizing belt component to drive the first sliding block to abut against the left end of an upper rail positioned at the first assembly station, so that the upper rail is pushed to move rightwards and is positioned in the upper rail guide block, the guide block can play a role in guiding the upper rail, which is beneficial to ensuring that the upper rail positioned on the first assembly station and the middle rail positioned on the second assembly station are positioned on the same straight line, and is beneficial to avoiding the problem of inserting failure between the layer rails or workpiece damage caused by angle deviation, when the first slide block is abutted against the right abutting block, the first slide block drives the synchronizing rod to move right, namely the pushing assembly and the guide assembly synchronously drive the upper rail to move right to the second assembly station, and the inserting connection between the upper rail and the middle rail is realized along with the continuous right movement of the upper rail, so as to realize the automatic abutting connection between the layer rails, the first limiting cylinder is used for fixing the middle rail on the second assembly station, so as to ensure the stable connection between the middle rail and the upper rail, and under the limiting effect of the first limiting cylinder, the first pushing block and the guide block can move upwards, so as to realize the separation between the pushing assembly and the guide assembly and the upper rail, the rail penetrating operation is ready for the next rail penetrating operation, so that the labor is saved, and the assembly efficiency of the hidden rail is improved.

According to some embodiments of the invention, two first driving devices and two first pushing blocks are arranged, the two first driving devices are connected with the first sliding block and are arranged in a front-back manner, and the first driving devices and the first pushing blocks are arranged in a one-to-one correspondence manner; the second driving devices and the guide blocks are respectively provided with two, the two second driving devices are connected with the second sliding blocks and are arranged front and back, and the second driving devices and the guide blocks are arranged in a one-to-one correspondence mode.

Two first drive arrangement all are connected with first slider and are arranging around being, first drive arrangement and first promotion piece one-to-one set up, two second drive arrangement all are connected with the second slider and are arranging around being, second drive arrangement sets up with the guide block one-to-one, it is provided with two sets of promotion subassemblies and two sets of guide assembly to wear the rail mechanism promptly, can connect two upper rails in front and back in step, wear the rail operation, be favorable to improving the efficiency of connecting between the layer rail, satisfy mass production's user demand.

According to some embodiments of the invention, the invention further comprises a lower rail conveying mechanism and a second limiting cylinder, wherein the lower rail conveying mechanism is used for conveying the lower rail from front to back, a third assembling station is arranged on the lower rail conveying mechanism, a fourth assembling station is also arranged on the middle rail conveying mechanism, the fourth assembling station is opposite to the third assembling station and is arranged in the left-right direction, and rail penetrating mechanisms are arranged at the fourth assembling station and the third assembling station; the second limiting cylinder is arranged right opposite to the third assembling station and used for fixing the lower rail on the third assembling station.

The lower rail conveying mechanism is used for conveying the lower rail from front to back, namely the conveying direction of the lower rail is opposite to the conveying direction of the middle rail and the upper rail, so that the transverse occupied space when the upper rail, the middle rail and the lower rail are parallel is favorably reduced, and processing equipment can be conveniently arranged beside the parallel upper rail and the parallel middle rail so as to realize the combination of the upper rail and the middle rail and meet the requirements of the assembly production process of the hidden rail.

According to some embodiments of the invention, the sealing mechanism further comprises a clamping seat, a base, a sliding seat, a third driving device and a fourth driving device, wherein the base is provided with a sliding rail extending left and right, the sliding seat is connected with the sliding rail in a sliding manner, and the fourth driving device is used for driving the sliding seat to move left and right; the base is provided with a stop block, the sliding seat is provided with a pressing block, the third driving device is arranged on the sliding seat and used for driving the pressing block to move up and down, the stop block is arranged corresponding to the pressing block, and the clamping seats and the base are arranged at left and right intervals; a sealing mechanism is arranged between the second assembly station and the fourth assembly station, and the sealing mechanisms are arranged in front of and behind the third assembly station.

The fourth driving device is used for driving the sliding seat to move left and right, the stop block is arranged corresponding to the press block, the third driving device is arranged on the sliding seat and used for driving the press block to move up and down, blocking of conveying of the layer rails is avoided, the press block can be moved to the position above the stop block under the driving action of the third driving device and the fourth driving device, the layer rails are conveyed to the position between the clamping seat and the base, the clamping seat can be used for clamping one end of the layer rails, the other end of the layer rails is arranged on the stop block, and the layer rails can be bent after the press block is pressed down, so that the effect of limiting the limit moving distance between the layer rails is achieved; be equipped with between second equipment station and the fourth equipment station and seal the mechanism, should seal the mechanism and be used for realizing sealing of upper rail to avoid the upper rail to deviate from the problem of well rail to appear, the place ahead and the rear of third equipment station all are equipped with seals the mechanism, thereby seal lower rail and well rail realization, thereby can restrict upper rail and well rail and the displacement distance of well rail and lower rail, can improve the stable connection of upper rail and lower rail and well rail.

According to some embodiments of the invention, the blanking mechanism is connected with the rear end of the lower rail conveying mechanism, the blanking mechanism comprises a second rack, a second guide rail, a third sliding block, a fifth driving device, a sixth driving device, a distributing block, a blanking plate and a conveying belt, the second guide rail is arranged on the second rack and extends left and right, and the third sliding block is connected with the second guide rail in a sliding manner; the fifth driving device is in transmission connection with the third sliding block and used for driving the third sliding block to move left and right, the sixth driving device is arranged on the third sliding block and used for driving the distributing block to move up and down, the discharging plate is obliquely arranged and located at the right end of the second guide rail, and the lower end of the discharging plate is connected with the conveying belt.

When the upper middle rail assembly penetrates into the lower rail, a hidden rail finished product is assembled, the hidden rail finished product is continuously transported backwards along with the lower rail conveying mechanism, the blanking mechanism is connected with the rear end of the lower rail conveying mechanism, namely the hidden rail finished product is finally conveyed to the blanking mechanism and conveyed to the lower part of the second rack, the sixth driving device drives the distributing block to move downwards, the fifth driving device drives the third sliding block to move rightwards, the distributing block can push the hidden rail finished product to move rightwards, so that the hidden rail finished product slides onto the lower material plate, the lower material plate is obliquely arranged, the lower end of the lower material plate is connected with the conveying belt, and under the supporting action of the lower material plate, the assembled hidden rail finished product is finally conveyed along the conveying belt, and blanking of the assembled hidden rail is achieved.

According to some embodiments of the invention, the turnover mechanism comprises two turnover assemblies which are arranged at intervals left and right, each turnover assembly comprises a fixed seat, a movable seat, a seventh driving device, an eighth driving device and a lower rail clamping jaw, the fixed seat is provided with a third guide rail which extends left and right, and the movable seat is connected with the third guide rail in a sliding manner; the seventh driving device is in transmission connection with the movable seat and used for driving the movable seat to slide left and right, the eighth driving device is arranged on the movable seat and used for driving the lower rail clamping jaws to rotate, and the lower rail clamping jaws of the two overturning assemblies are arranged oppositely; the turnover mechanisms are arranged in two, and the two turnover mechanisms are arranged in front of and behind the sealing mechanism located in front of the third assembly station respectively.

The two overturning assemblies are arranged at left and right intervals, the lower rail clamping jaws of the two overturning assemblies are arranged oppositely, when the lower rail is conveyed to the overturning mechanism, the seventh driving device drives the movable seat to approach the lower rail, so that the two lower rail clamping jaws can be abutted against the lower rail, the eighth driving device drives the lower rail clamping jaws to rotate, and under the abutting action of the lower rail clamping jaws and the lower rail, the lower rail can be overturned for a certain angle; tilting mechanism sets up two, and two tilting mechanisms are arranged respectively and are being located the place ahead and the rear of the mechanism of sealing in third assembly station the place ahead, and the rail needs to realize a upset under tilting mechanism's effect before getting into to seal the mechanism promptly to make the plane that needs seal just right with sealing the mechanism, the rail seals the back that finishes down, tilting mechanism will return the rail just again, so that under the effect of wearing rail mechanism, realize with last well rail assembly's being connected.

According to some embodiments of the invention, the invention further comprises a gear assembly mechanism, wherein a gear assembly station is further arranged on the middle rail conveying mechanism and is positioned behind the second assembly station, the gear assembly mechanism is positioned on the right side of the gear assembly station and comprises a gear assembly component, a gear overturning and distributing component and a gear mounting component, the gear assembly component comprises a first pushing component, and the first pushing component is used for clamping the loaded gear into the corresponding mounting frame; the gear overturning and distributing assembly is used for driving the mounting frame assembled with the gear to overturn; the gear installation component comprises a gear assembly clamping jaw and a first moving component, the first moving component is used for driving the gear assembly clamping jaw to move, and the gear assembly clamping jaw is used for clamping the mounting rack after overturning and clamping the mounting rack to a middle rail located on a gear assembly station.

For the slip of guaranteeing upper rail and well rail is smooth and easy, need add the gear between well rail and upper rail, gear equipment station is located the rear of second equipment station, gear equipment mechanism is located the right side of gear equipment station, first promotion part is used for going into the gear side direction card of material loading on the corresponding mounting bracket, thereby realize being connected of gear and mounting bracket automatically, be favorable to reducing the loss of manpower, gear upset divides the material subassembly to be used for driving the mounting bracket upset after assembling with the gear, need and the demand that upper rail and well rail are connected with the gear after satisfying the equipment, first removal subassembly is used for driving the removal of gear assembly clamping jaw, the gear assembly clamping jaw is used for the mounting bracket after the centre gripping upset and with the mounting bracket joint to being located the well rail on the gear equipment station, thereby realize the automatic joint of mounting bracket and well rail.

According to some embodiments of the invention, the bead frame assembling mechanism is further provided, the bead frame assembling station is further provided on the middle rail conveying mechanism, the bead frame assembling station is located between the gear assembling station and the second assembling station, the bead frame assembling mechanism is arranged on the right side of the bead frame assembling station, the bead frame assembling mechanism comprises a third frame, a second moving assembly, a bead frame clamping assembly, a second pushing component and a bead frame pressing component, the second moving assembly can move along the third frame, the second moving assembly is used for driving the bead frame clamping assembly to move left and right and up and down, the upper end of the bead frame clamping assembly is rotatably connected with the second moving assembly, the bead frame clamping assembly can rotate around an axis extending left and right, the second pushing component is rotatably connected with the second moving assembly, the second pushing component is used for driving the bead frame clamping assembly to rotate around an axis extending left and right relative to the second moving assembly, and the bead frame pressing component is used for pressing the bead frame clamped by the bead frame clamping assembly.

The gear needs to be matched with the ball frame, so that the smooth sliding of the upper rail and the middle rail is realized, the ball frame assembling station is located between the gear assembling station and the second assembling station, namely the ball frame is installed after the gear assembling is completed and before the operation of the upper rail and the middle rail, the second moving assembly is used for driving the ball frame clamping assembly to move left and right and move up and down, the ball frame clamping assembly is used for clamping the ball frame, so that the ball frame can be moved to the upper side of the middle rail, the second pushing component is rotatably connected with the second moving assembly, the second pushing component is used for driving the ball frame clamping assembly to rotate around a left and right extending axis relative to the second moving assembly, so that one end of the ball frame is obliquely arranged and connected with the middle rail, the ball frame pressing component is used for pressing down the ball frame clamped by the ball frame clamping assembly, so that the other end of the ball frame is connected with the middle rail.

According to some embodiments of the invention, the buffer assembling mechanism is further included, a buffer assembling station is arranged at the front end of the lower rail conveying mechanism, the buffer assembling station is located in front of the third assembling station, the buffer assembling mechanism is arranged beside the buffer assembling station, the buffer assembling mechanism includes a third moving assembly, a buffer clamping assembly and a buffer pressing component, the buffer clamping assembly is used for clamping the left end and the right end of the buffer, the third moving assembly is used for driving the buffer clamping assembly to move left and right and up and down, the buffer pressing component is arranged on the buffer clamping assembly, and the buffer pressing component is used for pressing down the buffer located at the buffer clamping assembly.

Buffer equipment station is located the place ahead of third equipment station, pass between the lower rail at last well rail assembly promptly, the buffer still needs to be installed to the lower rail, thereby play the effect of damping buffering to hiding the rail finished product, be favorable to reducing noise and the impact that the door plant opened and shut to hiding the rail finished product, thereby the off-the-shelf life of hidden rail is hidden in the extension, buffer clamping component is used for the both ends of controlling of centre gripping buffer, the third removes the subassembly and is used for driving buffer clamping component and controls and reciprocate, thereby can remove the lower rail department to buffer equipment station with the buffer of buffer clamping component centre gripping, the buffer pushes down the part and is used for pushing down the buffer that is located buffer clamping component, thereby realize the installation of buffer and lower rail.

According to some embodiments of the invention, the bead strip assembling mechanism is further provided with a bead strip assembling station, the bead strip assembling station is positioned between the buffer assembling station and the third assembling station, the bead strip assembling mechanism is arranged beside the bead strip assembling mechanism, and the bead strip assembling mechanism comprises a fourth moving assembly, a ninth driving device and a second pushing block; the fourth moving assembly is used for driving the ninth driving device to move left and right, and the ninth driving device is in transmission connection with the second pushing block and used for driving the second pushing block to move up and down.

In order to keep smooth connection between the lower rail and the middle rail, a bead strip needs to be additionally arranged between the middle rail and the lower rail, a bead strip assembling station is located between a buffer assembling station and a third assembling mechanism, namely after the buffer is assembled, the bead strip needs to be additionally arranged on the lower rail, a fourth moving assembly is used for driving a ninth driving device to move left and right, the ninth driving device is in transmission connection with a second pushing block and is used for driving the second pushing block to move up and down, if the ninth driving device drives the second pushing block to move down, the fourth moving assembly drives the ninth driving device to move right, the second pushing block is abutted against the bead strip and pushes the bead strip to the lower rail located at the bead strip assembling station, and therefore the bead strip is inserted into the lower rail.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of an assembly line of a hidden rail according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a rail passing mechanism of an assembly line for hidden rails according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a sealing mechanism of an assembly line of hidden rails according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a turnover mechanism of an assembly line for hidden rails according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a blanking mechanism of an assembly line of a hidden rail according to an embodiment of the present invention;

fig. 6 is a schematic perspective view illustrating a gear assembly mechanism of an assembly line of a hidden rail according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a bead frame assembling mechanism of an assembling line of a hidden rail according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a buffer assembling mechanism of an assembling line for hidden rails according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a bead strip assembling mechanism of an assembling line of a hidden rail according to an embodiment of the present invention.

In the drawings: 100. an upper rail conveying mechanism; 110. a first assembly station; 200. a middle rail conveying mechanism; 210. a second assembly station; 220. a fourth assembly station; 230. a gear assembly station; 240. a bead frame assembling station; 300. a rail penetrating mechanism; 310. a first frame; 311. a first guide rail; 320. a timing belt assembly; 330. a synchronization lever; 331. a butting block; 340. a pushing assembly; 341. a first slider; 342. a first driving device; 343. a first pushing block; 350. a guide assembly; 351. a second slider; 352. a second driving device; 353. a guide block; 410. a first limit cylinder; 420. a second limit cylinder; 500. a lower rail conveying mechanism; 510. a third assembly station; 520. a buffer assembly station; 530. assembling a bead strip station; 600. a sealing mechanism; 610. a holder; 620. a base; 621. a stopper; 630. a slide base; 631. briquetting; 640. a third driving device; 650. a fourth drive device; 700. a blanking mechanism; 710. a second frame; 720. a second guide rail; 730. a third slider; 740. a fifth driving device; 750. a sixth driving device; 760. a material distributing block; 770. a blanking plate; 800. a turnover mechanism; 810. turning over the assembly; 811. a fixed seat; 8111. a third guide rail; 812. a movable seat; 813. an eighth driving device; 814. a lower rail jaw; 900. a gear assembly mechanism; 910. a gear assembly component; 920. the gear overturning and distributing assembly; 930. a gear mounting assembly; 931. a first moving assembly; 932. assembling a clamping jaw on the gear; 1000. a bead frame assembling mechanism; 1010. a third frame; 1020. a second moving assembly; 1030. a bead frame clamping assembly; 1040. a second urging member; 1050. a bead frame pressing component; 1100. a buffer assembly mechanism; 1110. a third moving assembly; 1120. a bumper clamp assembly; 1130. a bumper hold-down member; 1200. a bead strip assembling mechanism; 1210. a fourth moving assembly; 1220. a ninth driving device; 1230. and a second pushing block.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of the terms are not limited to a definite number, and a plurality of the terms are two or more, and are understood to include the number of the terms greater than, smaller than, larger than, and the like. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. Additionally, appearing throughout and/or representing three side-by-side scenarios, e.g., A and/or B represents a scenario satisfied by A, a scenario satisfied by B, or a scenario satisfied by both A and B.

In the description of the present invention, there is a phrase containing a plurality of parallel features, wherein the phrase defines the closest feature, for example: b, C disposed on A, and E connected to D, wherein B is disposed on A and E is connected to D, and C is not limited; however, terms indicating relationships between features such as "spaced apart", "arranged in a ring", etc. do not fall within this category. The phrase preceded by the word "mean" indicates that it is a definition of all features in the phrase, e.g., B, C, D, which is disposed on a, indicates that B, C and D are disposed on a.

In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.

An embodiment of the present invention will be described below with reference to fig. 1 to 9.

First embodiment, referring to fig. 1 and 2, an embodiment of the present invention provides an assembly line of hidden rails, including: the device comprises an upper rail conveying mechanism 100, a middle rail conveying mechanism 200, a lower rail conveying mechanism 500, a rail penetrating mechanism 300, a first limiting cylinder 410 and a second limiting cylinder 420.

Wherein, the upper rail conveying mechanism 100 is used for conveying the upper rail from back to front, the upper rail conveying mechanism 100 is provided with a first assembly station 110, the middle rail conveying mechanism 200 is used for conveying the middle rail from back to front, the middle rail conveying mechanism 200 is provided with a second assembly station 210, the first assembly station 110 and the second assembly station 210 are arranged relatively and are arranged from left to right, namely, the upper rail conveying mechanism 100 and the middle rail conveying mechanism 200 are arranged side by side from left to right, and the upper rail conveying mechanism 100 and the middle rail conveying mechanism 200 can be stepping conveying devices, such as skewed tooth stepping devices.

Lower rail conveying mechanism 500 is used for carrying the lower rail from going to the back, the direction of delivery of lower rail is opposite with the direction of delivery of well rail and last rail promptly, be favorable to reducing the horizontal occupation space when the three rails are parallel, make the overall arrangement of the assembly line of this hidden rail more reasonable, so that can set up the processing equipment at parallel last rail and well rail side, so that realize the combination of upper rail and well rail, and need carry out the equipment of spare part to the lower rail before wearing the rail operation, accord with the demand of the equipment production technology of hidden rail. The lower rail conveying mechanism 500 is provided with a third assembling station 510, the middle rail conveying mechanism 200 is further provided with a fourth assembling station 220, and the fourth assembling station 220 is opposite to the third assembling station 510 and is arranged in a left-right mode.

A track penetrating mechanism 300 is arranged at the crossing position of the first assembling station 110 and the second assembling station 210; the crossing part of the fourth assembling station 220 and the third assembling station 510 is also provided with a rail penetrating mechanism 300; the first limiting cylinder 410 is arranged opposite to the second assembling station 210 and used for fixing the middle rail on the second assembling station 210, and the second limiting cylinder 420 is arranged opposite to the third assembling station 510 and used for fixing the lower rail on the third assembling station 510.

The track penetrating mechanism 300 comprises a first frame 310, a synchronous belt assembly 320, a synchronous rod 330, a pushing assembly 340 and a guide assembly 350, wherein the pushing assembly 340 comprises a first sliding block 341, a first driving device 342 and a first pushing block 343, the guide assembly 350 comprises a second sliding block 351, a second driving device 352 and a guide block 353, a guide hole matched with the cross section of the upper track is formed in the guide block 353, when the upper track penetrates through the guide hole, the guide hole is abutted against the upper track, and the pushing direction of the upper track can be adjusted to a certain degree.

The synchronous belt assembly 320 is arranged on the first rack 310 and extends left and right, and comprises a synchronous belt, a driving motor and two rotating shafts as the synchronous belt assembly 320, the two rotating shafts are arranged on the first rack 310 at left and right intervals, the synchronous belt is wound on the two rotating shafts, and the driving motor is in transmission connection with one of the rotating shafts, so that the synchronous belt can be driven to rotate positively or reversely.

The first frame 310 is provided with a first guide rail 311 extending left and right, specifically, the first guide rail 311 may be provided in two, and the two first guide rails 311 are respectively disposed on the upper side and the lower side of the synchronous belt. The first slider 341 and the second slider 351 are both connected with the first guide rail 311 in a sliding manner; the synchronous belt assembly 320 is in transmission connection with the first sliding block 341, if the first sliding block 341 is partially clamped on the synchronous belt, the first sliding block 341 moves left and right on the first guide rail 311 along with the forward rotation and the reverse rotation of the synchronous belt. The first driving device 342 is disposed on the first slider 341, the first driving device 342 is configured to drive the first pushing block 343 to move up and down, the second driving device 352 is disposed on the second slider 351, the second driving device 352 is configured to drive the guide block 353 to move up and down, the right end of the synchronization rod 330 is fixedly connected to the second slider 351, the left end of the synchronization rod 330 is slidably connected to the first slider 341, if the left end of the first slider 341 is provided with a through hole, the left end of the synchronization rod 330 passes through the through hole, the synchronization rod 330 is fixed with two abutting blocks 331, and the two abutting blocks 331 are respectively located at the left and right of the first slider 341. The first drive 342 and the second drive 352 may be cylinders, linear modules, linear motors, etc.

The operation of the track crossing mechanism 300 provided at the crossing position of the first assembling station 110 and the second assembling station 210 is described as follows:

the first driving device 342 drives the first pushing block 343 to move downwards, the synchronous belt assembly 320 drives the first sliding block 341 to move right, so that the first pushing block 343 abuts against the left end of the upper rail located at the first assembly station 110 to push the upper rail to move right, and the upper rail penetrates into the guide block 353, the guide block 353 can play a role in guiding the upper rail, which is beneficial to ensuring that the upper rail located at the first assembly station 110 and the middle rail located at the second assembly station 210 are located on the same straight line, and is beneficial to avoiding the problem of insertion failure between layer rails or workpiece damage due to angular deviation, when the first sliding block 341 abuts against the right abutting block 331, the first sliding block 341 drives the synchronous rod 330 to move right, under the connecting action of the synchronous rod 330, the second sliding block 351 moves right along with the synchronous rod 330, namely, the pushing block 340 and the guide block 350 synchronously drive the upper rail to move right onto the second assembly station 210, and the upper rail continuously moves right along with the upper rail, thereby realizing the insertion of the upper rail and the middle rail, thereby realizing the automatic butt joint between the first and the upper rail, the lower rail, and the limiting block 410 can be used for fixing the upper rail and the upper rail on the lower rail, thereby the cylinder assembly 410 can be beneficial to improve the efficiency of the cylinder, and the cylinder assembly 300, and the cylinder for realizing the assembly.

The principle of operation of the track crossing mechanism 300 provided at the fourth assembling station 220 and the third assembling station 510 is consistent with the principle of operation of the track crossing mechanism 300 provided at the crossing of the first assembling station 110 and the second assembling station 210.

The rail penetrating mechanism 300 disposed at the position opposite to the fourth assembling station 220 and the third assembling station 510 can penetrate the upper and middle rail assembly located on the fourth assembling station 220 into the lower rail located at the third assembling station 510, so as to sequentially connect the upper rail, the middle rail and the lower rail, the second limiting cylinder 420 is used for fixing the lower rail on the third assembling station 510, so as to stably connect the upper and middle rail assemblies with the lower rail, and separate the pushing assembly 340 and the guiding assembly 350 from the upper and middle rail assembly, so as to facilitate the next rail penetrating operation.

This hidden rail assembly line passes under the effect of rail mechanism 300 at two, can realize the connection of upper rail, well rail and lower rail in proper order automatically, be favorable to reducing the human cost, improve the efficiency of the equipment of hidden rail, satisfy batch production's user demand, and before passing the rail operation, can lead to upper rail or the upper and middle rail assembly through guide assembly 350, be favorable to ensureing the precision of pegging graft between the layer rail, be favorable to avoiding leading to passing the rail failure because the angular deviation between the layer rail, the problem that the work piece damaged appears.

Further preferably, two first driving devices 342 and two first pushing blocks 343 are provided, and the two first driving devices 342 are connected with the first sliding block 341 and arranged front and back, that is, the first sliding block 341 can synchronously drive the two first driving devices 342 to move left and right, and the first driving devices 342 and the first pushing blocks 343 are arranged in one-to-one correspondence; two second driving devices 352 and two guide blocks 353 are arranged, the two second driving devices 352 are connected with the second sliding block 351 and are arranged front and back, namely the second sliding block 351 can synchronously drive the two second driving devices 352 to move left and right, and the second driving devices 352 and the guide blocks 353 are arranged in a one-to-one correspondence mode.

Namely, the track penetrating mechanism 300 is provided with two sets of pushing assemblies 340 and two sets of guiding assemblies 350, so that the front upper track and the rear upper track or the upper middle track combination can be synchronously connected and penetrated, the efficiency of connection between layer tracks is improved, and the use requirement of mass production is met.

Referring to fig. 3, it is further preferable that the hidden rail assembling line further includes a closing mechanism 600, the closing mechanism 600 includes a holder 610, a base 620, a sliding base 630, a third driving device 640, and a fourth driving device 650, and the closing mechanism 600 may be disposed on the middle rail conveying mechanism 200 and the lower rail conveying mechanism 500. The holders 610 and the base 620 may be arranged at left and right intervals, and are respectively arranged at left and right ends of the middle rail conveying mechanism 200 or the lower rail conveying mechanism 500.

The base 620 is provided with a sliding rail extending left and right, the sliding base 630 is connected with the sliding rail in a sliding manner, the fourth driving device 650 is used for driving the sliding base 630 to move left and right, and under the driving action of the fourth driving device 650, the sliding base 630 can move left and right along the base 620, so that the effects of avoiding the conveying of the layer rails from being blocked and the sealing operation of the layer rails are achieved.

The clamping seat 610 may be provided with a driving cylinder, a first clamping block and a second clamping block, which are vertically arranged, and the driving cylinder may drive the first clamping block and the second clamping block to move away from and close to each other. The base 620 is provided with a stop block 621, the sliding base 630 is provided with a pressing block 631, the third driving device 640 is arranged on the sliding base 630, the third driving device 640 is used for driving the pressing block 631 to move up and down, and the stop block 621 is arranged corresponding to the pressing block 631. When the layer rail is conveyed between the clamping seat 610 and the base 620, the left end and the right end of the layer rail can be erected on the second clamping block and the stop block 621, the driving cylinder can drive the first clamping block to be close to the second clamping block, so that the left end of the layer rail is clamped, the fourth driving device 650 and the third driving device 640 can drive the pressing block 631 to move to the upper part of the stop block 621 and press downwards, under the action of the pressing block 631, the bending treatment can be realized on one end of the layer rail, so that the limit displacement between the layer rail and the layer rail is limited, and the problem that the layer rail and the layer rail are separated in the using process of hiding the rail is favorably solved.

A sealing mechanism 600 is arranged between the second assembling station 210 and the fourth assembling station 220, and the sealing mechanism 600 is used for sealing the upper rail, so that the problem that the upper rail is separated from the middle rail is avoided; a sealing mechanism 600 is arranged in front of the third assembling station 510, and the sealing mechanism 600 can seal the lower rail before rail penetration; all be equipped with behind third equipment station 510 and seal mechanism 600, should seal mechanism 600 and can realize sealing the processing to the well rail after the equipment, three setting up of sealing mechanism 600 can restrict the displacement distance of upper rail and well rail and lower rail to keep the stable connection of upper rail and lower rail and well rail. The third driving means 640 and the fourth driving means 650 may each be a cylinder, a linear motor, etc.

This hide assembly line of rail is through the setting and the arrangement form of sealing mechanism 600 and penetrating rail mechanism 300 to can realize sealing and penetrating the rail of layer rail automizedly, and seal and penetrate the rail and can go on in order, be favorable to reducing the manpower loss, improve the packaging efficiency who hides the rail.

Referring to fig. 4, it is further preferred that this hide assembly line of rail still includes tilting mechanism 800, tilting mechanism 800 sets up on lower rail conveying mechanism 500, tilting mechanism 800 sets up two, two tilting mechanism 800 arrange respectively in the place ahead and the rear that lie in third assembly station 510 the place ahead mechanism 600 that seals, need overturn the lower rail around sealing the lower rail promptly to overturn the lower rail to the plane that needs to seal and overturn the lower rail to the angle of pegging graft with last well rail assembly.

The turnover mechanism 800 includes two turnover assemblies 810 arranged at a left-right interval, and the two turnover assemblies 810 may be arranged at the left and right of the lower rail conveying mechanism 500. The overturning assembly 810 comprises a fixed seat 811, a movable seat 812, a seventh driving device, an eighth driving device 813 and a lower rail clamping jaw 814, wherein the fixed seat 811 is provided with a third guide rail 8111 extending left and right, and the movable seat 812 is connected with the third guide rail 8111 in a sliding manner; the seventh driving device is in transmission connection with the movable seat 812 to drive the movable seat 812 to slide left and right, so that the effect of preventing the conveying of the layer rail from being blocked is achieved, and the clamping effect on the layer rail is achieved.

The eighth driving device 813 is disposed on the movable base 812, the eighth driving device 813 is configured to drive the lower rail clamping jaw 814 to rotate, the lower rail clamping jaw 814 is provided with two clamping ends, and when the lower rail clamping jaw 814 abuts against the end of the lower rail, the two clamping ends abut against two side surfaces of the lower rail respectively. The lower rail clamp jaws 814 of the two upender assemblies 810 are oppositely disposed.

When the seventh driving device drives the movable seat 812 to approach the lower rail and the lower rail clamping jaw 814 abuts against the end of the lower rail, the eighth driving device 813 can drive the lower rail clamping jaw 814 to turn over by a certain angle, and under the combined action of the left and right turning assemblies 810, the lower rail turns over by a certain angle, such as 90 degrees, so as to achieve the effect of aligning the plane to be sealed with the sealing mechanism 600 and turn over the lower rail to the insertion angle with the upper middle rail assembly. The seventh driving means may be a cylinder, an oil cylinder, etc., and the eighth driving means 813 may be a driving motor.

The lower rail needs to realize a upset under tilting mechanism 800's effect before getting into to seal mechanism 600 to make the plane that needs sealed just right with sealing mechanism 600, the lower rail seals the back that finishes, and tilting mechanism 800 returns the lower rail just again, so that under the effect of wearing rail mechanism 300, realize with last well rail assembly be connected.

Referring to fig. 5, it is further preferable that the hidden rail assembly line further includes a blanking mechanism 700, where the blanking mechanism 700 includes a second frame 710, a second guide rail 720, a third slider 730, a fifth driving device 740, a sixth driving device 750, a material distributor block 760, a blanking plate 770, and a conveyor belt, and the blanking mechanism 700 is connected to the rear end of the lower rail conveying mechanism 500, that is, the hidden rail finished product, which is connected to the upper middle rail assembly and the lower rail, is conveyed to the blanking mechanism 700 at the lower rail conveying mechanism 500 for blanking.

The second guide rail 720 is arranged on the second frame 710 and extends left and right, and the third sliding block 730 is connected with the second guide rail 720 in a sliding manner; the fifth driving device 740 is in transmission connection with the third slider 730 for driving the third slider 730 to move left and right, the sixth driving device 750 is arranged on the third slider 730, the sixth driving device 750 is used for driving the distribution block 760 to move up and down, the blanking plate 770 is obliquely arranged and located at the right end of the second guide rail 720, and the lower end of the blanking plate 770 is connected with the conveying belt.

When the hidden rail blanking device is used, when the hidden rail finished product is finally conveyed to the blanking mechanism 700 and conveyed to the lower part of the second rack 710, the sixth driving device 750 drives the distributing block 760 to move downwards, the fifth driving device 740 drives the third slider 730 to move rightwards, the distributing block 760 can push the hidden rail finished product to move rightwards, so that the hidden rail finished product slides to the blanking plate 770, the blanking plate 770 is obliquely arranged, the lower end of the blanking plate 770 is connected with the conveying belt, the assembled hidden rail finished product is finally conveyed along the conveying belt under the supporting action of the blanking plate 770, the blanking of the assembled hidden rail is realized, and the conveying belt can be conveyed forwards, so that the transverse occupied space of an assembly production line of the hidden rail is reduced. The fifth driving device 740 and the sixth driving device 750 may be a cylinder, a linear motor, a linear module, etc.

Referring to fig. 6, it is further preferable that, in order to ensure smooth sliding of the upper rail and the middle rail, a gear needs to be additionally arranged between the middle rail and the upper rail, the hidden rail assembly line further includes a gear assembly mechanism 900, a gear assembly station 230 is further arranged on the middle rail conveying mechanism 200, the gear assembly station 230 is located behind the second assembly station 210, that is, before the middle rail passes through the rail penetrating mechanism 300, the gear assembly mechanism 900 can assemble the gear of the middle rail.

Gear equipment mechanism 900 is located the right side of gear equipment station 230, gear equipment mechanism 900 includes gear equipment subassembly 910, the material subassembly 920 is divided in the gear upset and gear installation subassembly 930, gear equipment subassembly 910 includes first promotion part, gear equipment subassembly 910 can cooperate gear material loading subassembly and mounting bracket material loading subassembly setting, first promotion part is used for going into corresponding mounting bracket with the gear side direction card of material loading, it is specific, it places to be the side direction from the mounting bracket of mounting bracket material loading, and the mounting bracket is equipped with the through-hole that the side direction runs through, first promotion part can go into the mounting bracket with the gear side direction card, thereby realize being connected of gear and mounting bracket, because gear and mounting bracket all can be the plastic material finished piece, thereby make the gear prop open the through-hole of mounting bracket, thereby realize the joint of gear and mounting bracket. The first pushing member may be a cylinder, an oil cylinder, or the like.

The gear overturning and distributing assembly 920 is used for driving the installation frame to overturn after being assembled with the gear, and the installation frame can be overturned by a certain angle, such as 90 degrees, after the gear overturning and distributing assembly 920 is driven by a swing arm and assembled with the gear, so that the installation frame is vertically arranged, and the installation with the middle rail is realized.

Gear installation component 930 includes gear assembly clamping jaw 932 and first removal subassembly 931, and first removal subassembly 931 is used for driving gear assembly clamping jaw 932 and removes, and gear assembly clamping jaw 932 is used for the mounting bracket after the centre gripping upset and with the mounting bracket joint to being located the well rail on gear assembly station 230 to realize the joint of mounting bracket and well rail. Compared with the traditional assembly process for manually realizing the gears, the assembly production line of the hidden rail is favorable for improving the precision and the efficiency of gear assembly through the arrangement of the gear assembly mechanism 900. The first moving assembly 931 may be a linear module assembly of an up-down direction and a left-right direction, or a combination of a cylinder, a slider, and a slide rail. Gear assembly jaw 932 may be an electrically controlled opening and closing mechanical jaw.

Referring to fig. 7, it is further preferable that the gear is required to be engaged with the ball holder in order to achieve smooth sliding of the upper rail and the middle rail. This hide assembly line of rail still includes pearl frame equipment mechanism 1000, still is equipped with pearl frame equipment station 240 on well rail conveying mechanism 200, and pearl frame equipment station 240 is located between gear equipment station 230 and the second equipment station 210, and pearl frame equipment mechanism 1000 sets up the right-hand side at pearl frame equipment station 240, and what be exactly the pearl frame install after the gear assembly is accomplished to before the operation of last rail and well rail.

The bead frame assembling mechanism 1000 includes a third frame 1010, a second moving assembly 1020, a bead frame clamping assembly 1030, a second pushing part 1040 and a bead frame pressing part 1050, the second moving assembly 1020 can move along the third frame 1010, the second moving assembly 1020 is used for driving the bead frame clamping assembly 1030 to move left and right and move up and down, and the second moving assembly 1020 can be composed of linear modules in the up-down direction and the left-right direction.

The upper end of the bead holder clamping assembly 1030 is rotatably connected with the second moving assembly 1020, the bead holder clamping assembly 1030 can rotate around an axis extending left and right, the second pushing part 1040 is rotatably connected with the second moving assembly 1020, the second pushing part 1040 is used for driving the bead holder clamping assembly 1030 to rotate around the axis extending left and right relative to the second moving assembly 1020, and the bead holder pressing part 1050 is used for pressing down the bead holder clamped by the bead holder clamping assembly 1030.

When the second moving assembly 1020 drives the ball holder clamping assembly 1030 to move to the middle rail located at the ball holder assembling station 240, the second pushing component 1040 drives the ball holder clamping assembly 1030 to rotate around an axis extending left and right relative to the second moving assembly 1020, so that one end of the ball holder is obliquely arranged and is connected with the middle rail under the action of the second moving assembly 1020, and the ball holder pressing component 1050 is used for pressing down the ball holder clamped by the ball holder clamping assembly 1030, so that the other end of the ball holder is connected with the middle rail.

Referring to fig. 8, it is further preferable that the hidden rail assembly line further includes a buffer assembly mechanism 1100, the front end of the lower rail conveying mechanism 500 is provided with a buffer assembly station 520, the buffer assembly station 520 is located in front of the third assembly station 510, the buffer assembly mechanism 1100 is disposed beside the buffer assembly station 520, that is, the upper and middle rail assemblies penetrate between the lower rails, the lower rails further need to be provided with buffers, so as to play a role of damping and buffering, and it is beneficial to reducing noise and impact of opening and closing of the door panels for the hidden rail finished products, so as to prolong the service life of the hidden rail finished products.

The buffer assembling mechanism 1100 includes a third moving assembly 1110, a buffer holding assembly 1120, and a buffer pressing member 1130, the buffer holding assembly 1120 is used to hold both left and right ends of the buffer, the third moving assembly 1110 is used to drive the buffer holding assembly 1120 to move left and right and up and down, the buffer pressing member 1130 is disposed on the buffer holding assembly 1120, and the buffer pressing member 1130 is used to press down the buffer located at the buffer holding assembly 1120. Bumper hold down 1130 may be a pneumatic cylinder so that the bumper is effectively held in engagement with the lower rail.

Because the structural design of the existing hidden rail and the buffer is compact, when the buffer is connected with the fixture block of the lower rail in a clamping manner, the problem that the assembly is unstable due to the fact that the hole site of the buffer cannot be aligned with the fixture block of the lower rail is prone to occurring, the buffer assembly mechanism 1100 further comprises a guide clamping block, a guide groove with an upward opening is formed in the guide clamping block, a third limiting cylinder can be arranged beside the guide groove and can abut against the buffer located in the guide groove, so that the buffer is attached to the wall surface of the guide groove, the buffer can enter the guide groove in advance to be guided during feeding, the buffer and the lower rail located on the buffer assembly station 520 are located on the same horizontal line, and then clamping is performed, and the effectiveness of connection between the buffer and the lower rail is improved.

Referring to fig. 9, it is further preferable that the hidden rail assembly line further includes a bead strip assembly mechanism 1200, the lower rail conveying mechanism 500 is further provided with a bead strip assembly station 530, and the bead strip assembly station 530 is located between the buffer assembly station 520 and the third assembly station 510, that is, after the buffer is assembled, the bead strip is further required to be added to the lower rail, so as to keep the middle rail and the lower rail smoothly slide.

The bead assembling mechanism 1200 is arranged beside the bead assembling mechanism 1200, and the bead assembling mechanism 1200 includes a fourth moving assembly 1210, a ninth driving device 1220 and a second pushing block 1230; the fourth moving assembly 1210 is used for driving the ninth driving device 1220 to move left and right, and the ninth driving device 1220 is in transmission connection with the second pushing block 1230 and is used for driving the second pushing block 1230 to move up and down.

During the use, ninth drive arrangement 1220 drives second promotion piece 1230 and moves down, and fourth removal subassembly 1210 drives ninth drive arrangement 1220 and moves to the right, and second promotion piece 1230 and bead butt are with the bead propelling movement to being located the lower rail of bead equipment station 530 to the grafting of bead and lower rail is realized.

While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims (10)

1. An assembly line of hidden rails, comprising:

the upper rail conveying mechanism (100) is used for conveying the upper rail from back to front, and a first assembling station (110) is arranged on the upper rail conveying mechanism (100);

the middle rail conveying mechanism (200) is used for conveying the middle rail from back to front, a second assembling station (210) is arranged on the middle rail conveying mechanism (200), and the first assembling station (110) is opposite to the second assembling station (210) and arranged in a left-right mode;

the track penetrating mechanism (300) comprises a first rack (310), a synchronous belt assembly (320), a synchronous rod (330), a pushing assembly (340) and a guide assembly (350), wherein the synchronous belt assembly (320) is arranged on the first rack (310) and extends left and right, a first guide track (311) extending left and right is arranged on the first rack (310), the pushing assembly (340) comprises a first sliding block (341), a first driving device (342) and a first pushing block (343), the guide assembly (350) comprises a second sliding block (351), a second driving device (352) and a guide block (353), and the first sliding block (341) and the second sliding block (351) are both in sliding connection with the first guide track (311); the synchronous belt assembly (320) is in transmission connection with the first sliding block (341) and used for driving the first sliding block (341) to move left and right, the first driving device (342) is arranged on the first sliding block (341), the first driving device (342) is used for driving the first pushing block (343) to move up and down, the second driving device (352) is arranged on the second sliding block (351), the second driving device (352) is used for driving the guide block (353) to move up and down, the right end of the synchronous rod (330) is fixedly connected with the second sliding block (351), the left end of the synchronous rod (330) is in sliding connection with the first sliding block (341), two abutting blocks (331) are fixed on the synchronous rod (330), and the two abutting blocks (331) are respectively positioned on the left side and the right side of the first sliding block (341); the rail penetrating mechanism (300) is arranged at the position opposite to the first assembling station (110) and the second assembling station (210);

the first limiting air cylinder (410) is arranged right opposite to the second assembling station (210) and used for fixing the middle rail on the second assembling station (210).

2. The hidden rail assembly line according to claim 1, characterized in that there are two first driving devices (342) and two first pushing blocks (343), two first driving devices (342) are connected with the first sliding block (341) and arranged in tandem, the first driving devices (342) and the first pushing blocks (343) are arranged in one-to-one correspondence; the number of the second driving devices (352) and the number of the guide blocks (353) are two, the two second driving devices (352) are connected with the second sliding block (351) and are arranged in a front-back mode, and the second driving devices (352) and the guide blocks (353) are arranged in a one-to-one correspondence mode.

3. The hidden rail assembly production line of claim 1 or 2, further comprising a lower rail conveying mechanism (500) and a second limiting cylinder (420), wherein the lower rail conveying mechanism (500) is used for conveying the lower rail from front to back, a third assembly station (510) is arranged on the lower rail conveying mechanism (500), a fourth assembly station (220) is further arranged on the middle rail conveying mechanism (200), the fourth assembly station (220) is opposite to the third assembly station (510) and is arranged in a left-right mode, and the rail penetrating mechanism (300) is arranged at the position, opposite to the third assembly station (510), of the fourth assembly station (220); the second limiting cylinder (420) is arranged right opposite to the third assembling station (510) and used for fixing the lower rail on the third assembling station (510).

4. The hidden rail assembly production line of claim 3, further comprising a sealing mechanism (600), wherein the sealing mechanism (600) comprises a clamping seat (610), a base (620), a sliding seat (630), a third driving device (640) and a fourth driving device (650), the base (620) is provided with a sliding rail extending left and right, the sliding seat (630) is connected with the sliding rail in a sliding manner, and the fourth driving device (650) is used for driving the sliding seat (630) to move left and right; a stop block (621) is arranged on the base (620), a pressing block (631) is arranged on the sliding seat (630), the third driving device (640) is used for driving the pressing block (631) to move up and down, the stop block (621) is arranged corresponding to the pressing block (631), and the clamping seat (610) and the base (620) are arranged at left and right intervals; be equipped with between second equipment station (210) and fourth equipment station (220) seal mechanism (600), the place ahead and the rear of third equipment station (510) all are equipped with seal mechanism (600).

5. The hidden rail assembly line of claim 4, further comprising a blanking mechanism (700), wherein the blanking mechanism (700) is connected to the rear end of the lower rail conveying mechanism (500), the blanking mechanism (700) comprises a second frame (710), a second guide rail (720), a third slider (730), a fifth driving device (740), a sixth driving device (750), a distributing block (760), a blanking plate (770) and a conveying belt, the second guide rail (720) is disposed on the second frame (710) and extends left and right, and the third slider (730) is slidably connected to the second guide rail (720); the fifth driving device (740) is in transmission connection with the third sliding block (730) to drive the third sliding block (730) to move left and right, the sixth driving device (750) is arranged on the third sliding block (730), the sixth driving device (750) is used for driving the distribution block (760) to move up and down, the blanking plate (770) is obliquely arranged and located at the right end of the second guide rail (720), and the lower end of the blanking plate (770) is connected with the conveying belt.

6. The hidden rail assembly production line of claim 4, further comprising a turnover mechanism (800), wherein the turnover mechanism (800) comprises two turnover assemblies (810) arranged at a left-right interval, the turnover assemblies (810) comprise a fixed seat (811), a movable seat (812), a seventh driving device, an eighth driving device (813) and a lower rail clamping jaw (814), a third guide rail (8111) extending left and right is arranged on the fixed seat (811), and the movable seat (812) is slidably connected with the third guide rail (8111); the seventh driving device is in transmission connection with the movable seat (812) and is used for driving the movable seat (812) to slide left and right, the eighth driving device (813) is arranged on the movable seat (812), the eighth driving device (813) is used for driving the lower rail clamping jaw (814) to rotate, and the lower rail clamping jaws (814) of the two turnover assemblies (810) are arranged oppositely; the two turnover mechanisms (800) are arranged, and the two turnover mechanisms (800) are respectively arranged in front of and behind the sealing mechanism (600) positioned in front of the third assembly station (510).

7. The hidden rail assembly production line of claim 1 or 2, further comprising a gear assembly mechanism (900), wherein a gear assembly station (230) is further arranged on the middle rail conveying mechanism (200), the gear assembly station (230) is located behind the second assembly station (210), the gear assembly mechanism (900) is located on the right side of the gear assembly station (230), the gear assembly mechanism (900) comprises a gear assembly component (910), a gear overturning and distributing component (920) and a gear mounting component (930), the gear assembly component (910) comprises a first pushing part, and the first pushing part is used for clamping the loaded gears into corresponding mounting frames; the gear overturning and distributing assembly (920) is used for driving the mounting rack assembled with the gear to overturn; gear installation component (930) include gear assembly clamping jaw (932) and first removal subassembly (931), first removal subassembly (931) are used for driving gear assembly clamping jaw (932) remove, gear assembly clamping jaw (932) are used for the centre gripping mounting bracket after the upset and with the mounting bracket joint to be located on the centre rail on gear assembly station (230).

8. Assembly line of hidden rails according to claim 7, characterized in that it further comprises a bead-holder assembly mechanism (1000), a bead frame assembling station (240) is also arranged on the middle rail conveying mechanism (200), the bead frame assembly station (240) is located between the gear assembly station (230) and the second assembly station (210), the bead frame assembling mechanism (1000) is arranged at the right side of the bead frame assembling station (240), the bead frame assembling mechanism (1000) comprises a third machine frame (1010), a second moving assembly (1020), a bead frame clamping assembly (1030), a second pushing part (1040) and a bead frame pressing part (1050), the second moving assembly (1020) is movable along the third gantry (1010), the second moving assembly (1020) is used for driving the bead frame clamping assembly (1030) to move left and right and move up and down, the upper end of the bead frame clamping assembly (1030) is rotationally connected with the second moving assembly (1020), said ball holder clamping assembly (1030) being rotatable about an axis extending from side to side, said second pushing member (1040) being pivotally connected to said second moving assembly (1020), the second pushing component (1040) is used for driving the ball holder clamping component (1030) to rotate around a left-right extending axis relative to the second moving component (1020), the bead frame pressing component (1050) is used for pressing down the bead frame clamped by the bead frame clamping component (1030).

9. The hidden rail assembly line of claim 3, further comprising a buffer assembly mechanism (1100), wherein a buffer assembly station (520) is disposed at a front end of the lower rail conveying mechanism (500), the buffer assembly station (520) is located in front of the third assembly station (510), the buffer assembly mechanism (1100) is disposed beside the buffer assembly station (520), the buffer assembly mechanism (1100) comprises a third moving assembly (1110), a buffer clamping assembly (1120), and a buffer pressing member (1130), the buffer clamping assembly (1120) is used for clamping left and right ends of a buffer, the third moving assembly (1110) is used for driving the buffer clamping assembly (1120) to move left and right and up and down, the buffer pressing member (1130) is disposed on the buffer clamping assembly (1120), and the buffer pressing member (1130) is used for pressing down the buffer positioned at the buffer clamping assembly (1120).

10. The hidden rail assembly line of claim 9, further comprising a bead assembly mechanism (1200), wherein a bead assembly station (530) is further disposed on the lower rail conveying mechanism (500), the bead assembly station (530) is located between the buffer assembly station (520) and the third assembly station (510), the bead assembly mechanism (1200) is disposed beside the bead assembly mechanism (1200), and the bead assembly mechanism (1200) includes a fourth moving assembly (1210), a ninth driving device (1220), and a second pushing block (1230); the fourth moving assembly (1210) is used for driving the ninth driving device (1220) to move left and right, and the ninth driving device (1220) is in transmission connection with the second pushing block (1230) and is used for driving the second pushing block (1230) to move up and down.

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